keycloak-uncached

Changes

integration/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/ClientRegistrationCLI.java 72(+0 -72)

integration/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/CreateCommand.java 64(+0 -64)

integration/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ExitCommand.java 29(+0 -29)

integration/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/SetupCommand.java 44(+0 -44)

integration/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/Context.java 37(+0 -37)

pom.xml 11(+11 -0)

Details

diff --git a/distribution/server-dist/assembly.xml b/distribution/server-dist/assembly.xml
index 0e58c83..b788158 100755
--- a/distribution/server-dist/assembly.xml
+++ b/distribution/server-dist/assembly.xml
@@ -79,5 +79,13 @@
                 <include>layers.conf</include>
             </includes>
         </fileSet>
+        <fileSet>
+            <directory>target/unpacked/keycloak-client-tools</directory>
+            <outputDirectory/>
+            <filtered>false</filtered>
+            <includes>
+                <include>**/*</include>
+            </includes>
+        </fileSet>
     </fileSets>
 </assembly>
diff --git a/distribution/server-dist/pom.xml b/distribution/server-dist/pom.xml
index 1bee96b..1b13474 100755
--- a/distribution/server-dist/pom.xml
+++ b/distribution/server-dist/pom.xml
@@ -81,6 +81,29 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>unpack-client-cli-dist</id>
+                        <phase>prepare-package</phase>
+                        <goals>
+                            <goal>unpack</goal>
+                        </goals>
+                        <configuration>
+                            <artifactItems>
+                                <artifactItem>
+                                    <groupId>org.keycloak</groupId>
+                                    <artifactId>keycloak-client-cli-dist</artifactId>
+                                    <type>zip</type>
+                                    <outputDirectory>${project.build.directory}/unpacked</outputDirectory>
+                                </artifactItem>
+                            </artifactItems>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 
diff --git a/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java b/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java
index f86170e..d267d17 100755
--- a/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java
+++ b/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java
@@ -26,7 +26,9 @@ import org.keycloak.admin.client.resource.RealmsResource;
 import org.keycloak.admin.client.resource.ServerInfoResource;
 import org.keycloak.admin.client.token.TokenManager;
 
+import javax.net.ssl.SSLContext;
 import java.net.URI;
+import java.security.KeyStore;
 
 import static org.keycloak.OAuth2Constants.PASSWORD;
 
@@ -55,6 +57,15 @@ public class Keycloak {
         target.register(new BearerAuthFilter(tokenManager));
     }
 
+    public static Keycloak getInstance(String serverUrl, String realm, String username, String password, String clientId, String clientSecret, SSLContext sslContext) {
+        ResteasyClient client = new ResteasyClientBuilder()
+                .sslContext(sslContext)
+                .hostnameVerification(ResteasyClientBuilder.HostnameVerificationPolicy.WILDCARD)
+                .connectionPoolSize(10).build();
+
+        return new Keycloak(serverUrl, realm, username, password, clientId, clientSecret, PASSWORD, client);
+    }
+
     public static Keycloak getInstance(String serverUrl, String realm, String username, String password, String clientId, String clientSecret) {
         return new Keycloak(serverUrl, realm, username, password, clientId, clientSecret, PASSWORD, null);
     }
diff --git a/integration/client-cli/client-cli-dist/assembly.xml b/integration/client-cli/client-cli-dist/assembly.xml
new file mode 100755
index 0000000..ee27cb2
--- /dev/null
+++ b/integration/client-cli/client-cli-dist/assembly.xml
@@ -0,0 +1,49 @@
+<!--
+  ~ Copyright 2016 Red Hat, Inc. and/or its affiliates
+  ~ and other contributors as indicated by the @author tags.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~ http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<assembly>
+    <id>keycloak-client-cli-dist</id>
+
+    <formats>
+        <format>zip</format>
+    </formats>
+
+    <includeBaseDirectory>false</includeBaseDirectory>
+
+    <files>
+        <file>
+            <source>../client-registration-cli/src/main/bin/kcreg.sh</source>
+            <outputDirectory>keycloak-client-tools/bin</outputDirectory>
+            <fileMode>0755</fileMode>
+            <filtered>true</filtered>
+        </file>
+        <file>
+            <source>../client-registration-cli/src/main/bin/kcreg.bat</source>
+            <outputDirectory>keycloak-client-tools/bin</outputDirectory>
+            <filtered>true</filtered>
+        </file>
+    </files>
+    <dependencySets>
+        <dependencySet>
+            <includes>
+                <include>org.keycloak:keycloak-client-registration-cli</include>
+            </includes>
+            <outputDirectory>keycloak-client-tools/bin/client</outputDirectory>
+        </dependencySet>
+    </dependencySets>
+
+</assembly>
diff --git a/integration/client-cli/client-cli-dist/pom.xml b/integration/client-cli/client-cli-dist/pom.xml
new file mode 100755
index 0000000..046a790
--- /dev/null
+++ b/integration/client-cli/client-cli-dist/pom.xml
@@ -0,0 +1,69 @@
+<!--
+  ~ Copyright 2016 Red Hat, Inc. and/or its affiliates
+  ~ and other contributors as indicated by the @author tags.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~ http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>keycloak-client-cli-parent</artifactId>
+        <groupId>org.keycloak</groupId>
+        <version>2.3.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>keycloak-client-cli-dist</artifactId>
+    <packaging>pom</packaging>
+    <name>Keycloak Client CLI Distribution</name>
+    <description/>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.keycloak</groupId>
+            <artifactId>keycloak-client-registration-cli</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>keycloak-client-cli-${project.version}</finalName>
+        <plugins>
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>assemble</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                        <configuration>
+                            <descriptors>
+                                <descriptor>assembly.xml</descriptor>
+                            </descriptors>
+                            <outputDirectory>
+                                target
+                            </outputDirectory>
+                            <workDirectory>
+                                target/assembly/work
+                            </workDirectory>
+                            <appendAssemblyId>false</appendAssemblyId>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/integration/client-cli/client-registration-cli/pom.xml b/integration/client-cli/client-registration-cli/pom.xml
new file mode 100755
index 0000000..a140690
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/pom.xml
@@ -0,0 +1,143 @@
+<?xml version="1.0"?>
+<!--
+  ~ Copyright 2016 Red Hat, Inc. and/or its affiliates
+  ~ and other contributors as indicated by the @author tags.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~ http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <parent>
+        <artifactId>keycloak-client-cli-parent</artifactId>
+        <groupId>org.keycloak</groupId>
+        <version>2.3.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>keycloak-client-registration-cli</artifactId>
+    <name>Keycloak Client Registration CLI</name>
+    <description/>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jboss.aesh</groupId>
+            <artifactId>aesh</artifactId>
+            <version>0.66.10</version>
+        </dependency>
+        <dependency>
+            <groupId>org.keycloak</groupId>
+            <artifactId>keycloak-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <!--version>2.4.3</version-->
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <filters>
+                                <filter>
+                                    <artifact>org.keycloak:keycloak-core</artifact>
+                                    <includes>
+                                        <include>org/keycloak/util/**</include>
+                                        <include>org/keycloak/json/**</include>
+                                        <include>org/keycloak/jose/jws/**</include>
+                                        <include>org/keycloak/jose/jwk/**</include>
+                                        <include>org/keycloak/representations/adapters/config/**</include>
+                                        <include>org/keycloak/representations/AccessTokenResponse.class</include>
+                                        <include>org/keycloak/representations/idm/ClientRepresentation.class</include>
+                                        <include>org/keycloak/representations/idm/ProtocolMapperRepresentation.class</include>
+                                        <include>org/keycloak/representations/oidc/OIDCClientRepresentation.class</include>
+                                        <include>org/keycloak/representations/idm/authorization/**</include>
+                                        <include>org/keycloak/representations/JsonWebToken.class</include>
+                                    </includes>
+                                </filter>
+                                <filter>
+                                    <artifact>org.keycloak:keycloak-common</artifact>
+                                    <includes>
+                                        <include>org/keycloak/common/util/**</include>
+                                    </includes>
+                                </filter>
+                                <filter>
+                                    <artifact>org.bouncycastle:bcprov-jdk15on</artifact>
+                                    <includes>
+                                        <include>**/**</include>
+                                    </includes>
+                                </filter>
+                                <filter>
+                                    <artifact>org.bouncycastle:bcpkix-jdk15on</artifact>
+                                    <excludes>
+                                        <exclude>**/**</exclude>
+                                    </excludes>
+                                </filter>
+                                <filter>
+                                    <artifact>com.fasterxml.jackson.core:jackson-core</artifact>
+                                    <includes>
+                                        <include>**/**</include>
+                                    </includes>
+                                </filter>
+                                <filter>
+                                    <artifact>com.fasterxml.jackson.core:jackson-databind</artifact>
+                                    <includes>
+                                        <include>**/**</include>
+                                    </includes>
+                                </filter>
+                                <filter>
+                                    <artifact>com.fasterxml.jackson.core:jackson-annotations</artifact>
+                                    <includes>
+                                        <include>com/fasterxml/jackson/annotation/**</include>
+                                    </includes>
+                                </filter>
+
+                                <filter>
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/integration/client-cli/client-registration-cli/src/main/bin/kcreg.bat b/integration/client-cli/client-registration-cli/src/main/bin/kcreg.bat
new file mode 100644
index 0000000..0436414
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/bin/kcreg.bat
@@ -0,0 +1,8 @@
+@echo off
+
+if "%OS%" == "Windows_NT" (
+  set "DIRNAME=%~dp0%"
+) else (
+  set DIRNAME=.\
+)
+java %KC_OPTS% -cp %DIRNAME%\client\keycloak-client-registration-cli-${project.version}.jar org.keycloak.client.registration.cli.KcRegMain %*
diff --git a/integration/client-cli/client-registration-cli/src/main/bin/kcreg.sh b/integration/client-cli/client-registration-cli/src/main/bin/kcreg.sh
new file mode 100755
index 0000000..2684c77
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/bin/kcreg.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+DIRNAME=`dirname "$0"`
+java $KC_OPTS -cp $DIRNAME/client/keycloak-client-registration-cli-${project.version}.jar org.keycloak.client.registration.cli.KcRegMain "$@"
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/AeshConsoleCallbackImpl.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/AeshConsoleCallbackImpl.java
new file mode 100644
index 0000000..8235f69
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/AeshConsoleCallbackImpl.java
@@ -0,0 +1,97 @@
+package org.keycloak.client.registration.cli.aesh;
+
+import org.jboss.aesh.cl.parser.OptionParserException;
+import org.jboss.aesh.cl.result.ResultHandler;
+import org.jboss.aesh.console.AeshConsoleCallback;
+import org.jboss.aesh.console.AeshConsoleImpl;
+import org.jboss.aesh.console.ConsoleOperation;
+import org.jboss.aesh.console.command.CommandNotFoundException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.container.CommandContainer;
+import org.jboss.aesh.console.command.container.CommandContainerResult;
+import org.jboss.aesh.console.command.invocation.AeshCommandInvocation;
+import org.jboss.aesh.console.command.invocation.AeshCommandInvocationProvider;
+import org.jboss.aesh.parser.AeshLine;
+import org.jboss.aesh.parser.ParserStatus;
+
+import java.lang.reflect.Method;
+
+class AeshConsoleCallbackImpl extends AeshConsoleCallback {
+
+    private final AeshConsoleImpl console;
+    private CommandResult result;
+
+    AeshConsoleCallbackImpl(AeshConsoleImpl aeshConsole) {
+        this.console = aeshConsole;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public int execute(ConsoleOperation output) throws InterruptedException {
+        if (output != null && output.getBuffer().trim().length() > 0) {
+            ResultHandler resultHandler = null;
+            //AeshLine aeshLine = Parser.findAllWords(output.getBuffer());
+            AeshLine aeshLine = new AeshLine(output.getBuffer(), Globals.args, ParserStatus.OK, "");
+            try (CommandContainer commandContainer = getCommand(output, aeshLine)) {
+                resultHandler = commandContainer.getParser().getProcessedCommand().getResultHandler();
+                CommandContainerResult ccResult =
+                        commandContainer.executeCommand(aeshLine, console.getInvocationProviders(), console.getAeshContext(),
+                                new AeshCommandInvocationProvider().enhanceCommandInvocation(
+                                new AeshCommandInvocation(console,
+                                    output.getControlOperator(), output.getPid(), this)));
+
+                result = ccResult.getCommandResult();
+
+                if(result == CommandResult.SUCCESS && resultHandler != null)
+                    resultHandler.onSuccess();
+                else if(resultHandler != null)
+                    resultHandler.onFailure(result);
+
+            } catch (Exception e) {
+                console.stop();
+
+                if (e instanceof OptionParserException) {
+                    System.err.println("Unknown command: " + aeshLine.getWords().get(0));
+                } else {
+                    System.err.println(e.getMessage());
+                }
+                if (Globals.dumpTrace) {
+                    e.printStackTrace();
+                }
+
+                System.exit(1);
+            }
+        }
+        // empty line
+        else if (output != null) {
+            result = CommandResult.FAILURE;
+        }
+        else {
+            //stop();
+            result = CommandResult.FAILURE;
+        }
+
+        if (result == CommandResult.SUCCESS) {
+            return 0;
+        } else {
+            return 1;
+        }
+    }
+
+    private CommandContainer getCommand(ConsoleOperation output, AeshLine aeshLine) throws CommandNotFoundException {
+        Method m;
+        try {
+            m = console.getClass().getDeclaredMethod("getCommand", AeshLine.class, String.class);
+        } catch (NoSuchMethodException e) {
+            throw new RuntimeException("Unexpected error: ", e);
+        }
+
+        m.setAccessible(true);
+
+        try {
+            return (CommandContainer) m.invoke(console, aeshLine, output.getBuffer());
+        } catch (Exception e) {
+            throw new RuntimeException("Unexpected error: ", e);
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/AeshEnhancer.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/AeshEnhancer.java
new file mode 100644
index 0000000..d68e392
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/AeshEnhancer.java
@@ -0,0 +1,25 @@
+package org.keycloak.client.registration.cli.aesh;
+
+import org.jboss.aesh.console.AeshConsoleImpl;
+import org.jboss.aesh.console.Console;
+
+import java.lang.reflect.Field;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class AeshEnhancer {
+
+    public static void enhance(AeshConsoleImpl console) {
+        try {
+            Globals.stdin.setConsole(console);
+
+            Field field = AeshConsoleImpl.class.getDeclaredField("console");
+            field.setAccessible(true);
+            Console internalConsole = (Console) field.get(console);
+            internalConsole.setConsoleCallback(new AeshConsoleCallbackImpl(console));
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to install Aesh enhancement", e);
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/EndpointTypeConverter.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/EndpointTypeConverter.java
new file mode 100644
index 0000000..eb1c16a
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/EndpointTypeConverter.java
@@ -0,0 +1,17 @@
+package org.keycloak.client.registration.cli.aesh;
+
+import org.jboss.aesh.cl.converter.Converter;
+import org.jboss.aesh.cl.validator.OptionValidatorException;
+import org.jboss.aesh.console.command.converter.ConverterInvocation;
+import org.keycloak.client.registration.cli.common.EndpointType;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class EndpointTypeConverter implements Converter<EndpointType, ConverterInvocation> {
+
+    @Override
+    public EndpointType convert(ConverterInvocation converterInvocation) throws OptionValidatorException {
+        return EndpointType.of(converterInvocation.getInput());
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/Globals.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/Globals.java
new file mode 100644
index 0000000..bdeab20
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/Globals.java
@@ -0,0 +1,15 @@
+package org.keycloak.client.registration.cli.aesh;
+
+import java.util.List;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class Globals {
+
+    public static boolean dumpTrace = false;
+
+    public static ValveInputStream stdin;
+
+    public static List<String> args;
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/ValveInputStream.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/ValveInputStream.java
new file mode 100644
index 0000000..76691dc
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/aesh/ValveInputStream.java
@@ -0,0 +1,71 @@
+package org.keycloak.client.registration.cli.aesh;
+
+import org.jboss.aesh.console.AeshConsoleImpl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InterruptedIOException;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+/**
+ * This stream blocks and waits, until there is some stream in the queue.
+ * It reads all streams from the queue, and then blocks until it receives more.
+ */
+public class ValveInputStream extends InputStream {
+
+    private BlockingQueue<InputStream> queue = new LinkedBlockingQueue<>(10);
+
+    private InputStream current;
+
+    private AeshConsoleImpl console;
+
+    @Override
+    public int read() throws IOException {
+        if (current == null) {
+            try {
+                current = queue.take();
+            } catch (InterruptedException e) {
+                throw new InterruptedIOException("Signalled to exit");
+            }
+        }
+        int c = current.read();
+        if (c == -1) {
+            //current = null;
+            if (console != null) {
+                console.stop();
+            }
+        }
+
+        return c;
+    }
+
+    /**
+     * For some reason AeshInputStream wants to do blocking read of whole buffers, which for stdin
+     * results in blocked input.
+     */
+    @Override
+    public int read(byte b[], int off, int len) throws IOException {
+        int c = read();
+        if (c == -1) {
+            return c;
+        }
+        b[off] = (byte) c;
+        return 1;
+    }
+
+    public void setInputStream(InputStream is) {
+        if (queue.contains(is)) {
+            return;
+        }
+        queue.add(is);
+    }
+
+    public void setConsole(AeshConsoleImpl console) {
+        this.console = console;
+    }
+
+    public boolean isStdinAvailable() {
+        return console.isRunning();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AbstractAuthOptionsCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AbstractAuthOptionsCmd.java
new file mode 100644
index 0000000..8ad0430
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AbstractAuthOptionsCmd.java
@@ -0,0 +1,235 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.Option;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.ConfigHandler;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.client.registration.cli.config.InMemoryConfigHandler;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.client.registration.cli.util.ConfigUtil;
+import org.keycloak.client.registration.cli.util.HttpUtil;
+import org.keycloak.client.registration.cli.util.IoUtil;
+
+import java.io.File;
+
+import static org.keycloak.client.registration.cli.config.FileConfigHandler.setConfigFile;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.checkAuthInfo;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.checkServerInfo;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.loadConfig;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public abstract class AbstractAuthOptionsCmd extends AbstractGlobalOptionsCmd {
+
+    static final String DEFAULT_CLIENT = "admin-cli";
+
+
+    @Option(name = "config", description = "Path to the config file (~/.keycloak/kcreg.config by default)", hasValue = true)
+    protected String config;
+
+    @Option(name = "no-config", description = "No configuration file should be used, no authentication info should be saved", hasValue = false)
+    protected boolean noconfig;
+
+    @Option(name = "server", description = "Server endpoint url (e.g. 'http://localhost:8080/auth')", hasValue = true)
+    protected String server;
+
+    @Option(name = "realm", description = "Realm name to authenticate against", hasValue = true)
+    protected String realm;
+
+    @Option(name = "client", description = "Realm name to authenticate against", hasValue = true)
+    protected String clientId;
+
+    @Option(name = "user", description = "Username to login with", hasValue = true)
+    protected String user;
+
+    @Option(name = "password", description = "Password to login with (prompted for if not specified and --user is used)", hasValue = true)
+    protected String password;
+
+    @Option(name = "secret", description = "Secret to authenticate the client (prompted for if no --user or --keystore is specified)", hasValue = true)
+    protected String secret;
+
+    @Option(name = "keystore", description = "Path to a keystore containing private key", hasValue = true)
+    protected String keystore;
+
+    @Option(name = "storepass", description = "Keystore password (prompted for if not specified and --keystore is used)", hasValue = true)
+    protected String storePass;
+
+    @Option(name = "keypass", description = "Key password (prompted for if not specified and --keystore is used without --storepass, \n                             otherwise defaults to keystore password)", hasValue = true)
+    protected String keyPass;
+
+    @Option(name = "alias", description = "Alias of the key inside a keystore (defaults to the value of ClientId)", hasValue = true)
+    protected String alias;
+
+    @Option(name = "truststore", description = "Path to a truststore", hasValue = true)
+    protected String trustStore;
+
+    @Option(name = "trustpass", description = "Truststore password (prompted for if not specified and --truststore is used)", hasValue = true)
+    protected String trustPass;
+
+    @Option(shortName = 't', name = "token", description = "Initial / Registration access token to use)", hasValue = true)
+    protected String token;
+
+    protected void init(AbstractAuthOptionsCmd parent) {
+
+        super.init(parent);
+
+        noconfig = parent.noconfig;
+        config = parent.config;
+        server = parent.server;
+        realm = parent.realm;
+        clientId = parent.clientId;
+        user = parent.user;
+        password = parent.password;
+        secret = parent.secret;
+        keystore = parent.keystore;
+        storePass = parent.storePass;
+        keyPass = parent.keyPass;
+        alias = parent.alias;
+        trustStore = parent.trustStore;
+        trustPass = parent.trustPass;
+        token = parent.token;
+    }
+
+    protected void applyDefaultOptionValues() {
+        if (clientId == null) {
+            clientId = DEFAULT_CLIENT;
+        }
+    }
+
+    protected void processGlobalOptions() {
+
+        super.processGlobalOptions();
+
+        if (config != null && noconfig) {
+            throw new RuntimeException("Options --config and --no-config are mutually exclusive");
+        }
+
+        if (!noconfig) {
+            setConfigFile(config != null ? config : ConfigUtil.DEFAULT_CONFIG_FILE_PATH);
+            ConfigUtil.setHandler(new FileConfigHandler());
+        } else {
+            InMemoryConfigHandler handler = new InMemoryConfigHandler();
+            ConfigData data = new ConfigData();
+            initConfigData(data);
+            handler.setConfigData(data);
+            ConfigUtil.setHandler(handler);
+        }
+    }
+
+    protected void setupTruststore(ConfigData configData, CommandInvocation invocation ) {
+
+        if (!configData.getServerUrl().startsWith("https:")) {
+            return;
+        }
+
+        String truststore = trustStore;
+        if (truststore == null) {
+            truststore = configData.getTruststore();
+        }
+
+        if (truststore != null) {
+            String pass = trustPass;
+            if (pass == null) {
+                pass = configData.getTrustpass();
+            }
+            if (pass == null) {
+                pass = IoUtil.readSecret("Enter truststore password: ", invocation);
+            }
+
+            try {
+                HttpUtil.setTruststore(new File(truststore), pass);
+            } catch (Exception e) {
+                throw new RuntimeException("Failed to load truststore: " + truststore, e);
+            }
+        }
+    }
+
+    protected ConfigData ensureAuthInfo(ConfigData config, CommandInvocation commandInvocation) {
+
+        if (requiresLogin()) {
+            // make sure current handler is in-memory handler
+            // restore it at the end
+            ConfigHandler old = ConfigUtil.getHandler();
+            try {
+                // make sure all defaults are initialized after this point
+                applyDefaultOptionValues();
+
+                initConfigData(config);
+                ConfigUtil.setupInMemoryHandler(config);
+
+                ConfigCredentialsCmd login = new ConfigCredentialsCmd(this);
+                login.init(config);
+                login.process(commandInvocation);
+
+                // this must be executed before finally block which restores config handler
+                return loadConfig();
+
+            } catch (RuntimeException e) {
+                throw e;
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            } finally {
+                ConfigUtil.setHandler(old);
+            }
+
+        } else {
+            checkAuthInfo(config);
+
+            // make sure all defaults are initialized after this point
+            applyDefaultOptionValues();
+            return loadConfig();
+        }
+    }
+
+    protected boolean requiresLogin() {
+        return user != null || password != null || secret != null || keystore != null
+                || keyPass != null || storePass != null || alias != null;
+    }
+
+    protected ConfigData copyWithServerInfo(ConfigData config) {
+
+        ConfigData result = config.deepcopy();
+
+        if (server != null) {
+            result.setServerUrl(server);
+        }
+        if (realm != null) {
+            result.setRealm(realm);
+        }
+
+        checkServerInfo(result);
+        return result;
+    }
+
+    private void initConfigData(ConfigData data) {
+        if (server != null)
+            data.setServerUrl(server);
+        if (realm != null)
+            data.setRealm(realm);
+        if (trustStore != null)
+            data.setTruststore(trustStore);
+
+        RealmConfigData rdata = data.sessionRealmConfigData();
+        if (clientId != null)
+            rdata.setClientId(clientId);
+        if (secret != null)
+            rdata.setSecret(secret);
+    }
+
+    protected void checkUnsupportedOptions(String ... options) {
+        if (options.length % 2 != 0) {
+            throw new IllegalArgumentException("Even number of argument required");
+        }
+
+        for (int i = 0; i < options.length; i++) {
+            String name = options[i];
+            String value = options[++i];
+
+            if (value != null) {
+                throw new RuntimeException("Unsupported option: " + name);
+            }
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AbstractGlobalOptionsCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AbstractGlobalOptionsCmd.java
new file mode 100644
index 0000000..a3dc6e1
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AbstractGlobalOptionsCmd.java
@@ -0,0 +1,22 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.Option;
+import org.jboss.aesh.console.command.Command;
+import org.keycloak.client.registration.cli.aesh.Globals;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public abstract class AbstractGlobalOptionsCmd implements Command {
+
+    @Option(shortName = 'x', description = "Print full stack trace when exiting with error", hasValue = false)
+    protected boolean dumpTrace;
+
+    protected void init(AbstractGlobalOptionsCmd parent) {
+        dumpTrace = parent.dumpTrace;
+    }
+
+    protected void processGlobalOptions() {
+        Globals.dumpTrace = dumpTrace;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AttrsCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AttrsCmd.java
new file mode 100644
index 0000000..fb52357
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/AttrsCmd.java
@@ -0,0 +1,152 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.cl.Option;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.common.AttributeKey;
+import org.keycloak.client.registration.cli.common.EndpointType;
+import org.keycloak.client.registration.cli.util.ReflectionUtil;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.oidc.OIDCClientRepresentation;
+
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.reflect.Field;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+import static org.keycloak.client.registration.cli.util.ReflectionUtil.getAttributeListWithJSonTypes;
+import static org.keycloak.client.registration.cli.util.ReflectionUtil.isBasicType;
+import static org.keycloak.client.registration.cli.util.ReflectionUtil.isListType;
+import static org.keycloak.client.registration.cli.util.ReflectionUtil.isMapType;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "attrs", description = "[ATTRIBUTE] [--endpoint TYPE]")
+public class AttrsCmd extends AbstractGlobalOptionsCmd {
+
+    @Option(shortName = 'e', name = "endpoint", description = "Endpoint type to use", hasValue = true)
+    protected String endpoint;
+
+    @Arguments
+    protected List<String> args;
+
+    protected String attr;
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            processGlobalOptions();
+
+
+            EndpointType regType = EndpointType.DEFAULT;
+            PrintStream out = commandInvocation.getShell().out();
+
+            if (endpoint != null) {
+                regType = EndpointType.of(endpoint);
+            }
+
+            if (args != null) {
+                if (args.size() > 1) {
+                    throw new RuntimeException("Invalid option: " + args.get(1));
+                }
+                attr = args.get(0);
+            }
+
+            Class type = regType == EndpointType.DEFAULT ? ClientRepresentation.class : (regType == EndpointType.OIDC ? OIDCClientRepresentation.class : null);
+            if (type == null) {
+                throw new RuntimeException("Endpoint not supported: " + regType);
+            }
+            AttributeKey key = attr == null ? new AttributeKey() : new AttributeKey(attr);
+
+            Field f = ReflectionUtil.resolveField(type, key);
+            String ts = f != null ? ReflectionUtil.getTypeString(null, f) : null;
+
+            if (f == null) {
+                out.printf("Attributes for %s format:\n", regType.getEndpoint());
+
+                LinkedHashMap<String, String> items = getAttributeListWithJSonTypes(type, key);
+                for (Map.Entry<String, String> item : items.entrySet()) {
+                    out.printf("  %-40s %s\n", item.getKey(), item.getValue());
+                }
+
+            } else {
+                out.printf("%-40s %s", attr, ts);
+                boolean eol = false;
+
+                Type t = f.getGenericType();
+                if (isListType(f.getType()) && t instanceof ParameterizedType) {
+                    t = ((ParameterizedType) t).getActualTypeArguments()[0];
+                    if (!isBasicType(t) && t instanceof Class) {
+                        eol = true;
+                        System.out.printf(", where value is:\n", ts);
+                        LinkedHashMap<String, String> items = ReflectionUtil.getAttributeListWithJSonTypes((Class) t, null);
+                        for (Map.Entry<String, String> item : items.entrySet()) {
+                            out.printf("    %-36s %s\n", item.getKey(), item.getValue());
+                        }
+                    }
+                } else if (isMapType(f.getType()) && t instanceof ParameterizedType) {
+                    t = ((ParameterizedType) t).getActualTypeArguments()[1];
+                    if (!isBasicType(t) && t instanceof Class) {
+                        eol = true;
+                        out.printf(", where value is:\n", ts);
+                        LinkedHashMap<String, String> items = ReflectionUtil.getAttributeListWithJSonTypes((Class) t, null);
+                        for (Map.Entry<String, String> item : items.entrySet()) {
+                            out.printf("    %-36s %s\n", item.getKey(), item.getValue());
+                        }
+                    }
+                }
+
+                if (!eol) {
+                    // add end of line
+                    out.println();
+                }
+            }
+
+            return CommandResult.SUCCESS;
+
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " attrs [ATTRIBUTE] [ARGUMENTS]");
+        out.println();
+        out.println("List available configuration attributes.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                   Print full stack trace when exiting with error");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    ATTRIBUTE            Attribute key (if omitted all attributes for the endpoint type are listed)");
+        out.println("                         Dot notation can be used to target sub-attributes.");
+        out.println("    -e, --endpoint TYPE  Endpoint type to use - one of: 'default', 'oidc' (if omitted 'default' is used)");
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("List all attributes for default endpoint:");
+        out.println("  " + PROMPT + " " + CMD + " attrs");
+        out.println();
+        out.println("List (sub)attributes of 'protocolMappers' attribute for default endpoint:");
+        out.println("  " + PROMPT + " " + CMD + " attrs protocolMappers");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigCmd.java
new file mode 100644
index 0000000..be9358d
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigCmd.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.GroupCommandDefinition;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.Command;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.util.OsUtil;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.List;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+
+@GroupCommandDefinition(name = "config", description = "COMMAND [ARGUMENTS]", groupCommands = {ConfigCredentialsCmd.class} )
+public class ConfigCmd extends AbstractAuthOptionsCmd implements Command {
+
+    @Arguments
+    protected List<String> args;
+
+
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            if (args.size() == 0) {
+                throw new RuntimeException("Sub-command required by '" + OsUtil.CMD + " config' - one of: 'credentials', 'truststore', 'initial-token', 'registration-token'");
+            }
+
+            String cmd = args.get(0);
+            switch (cmd) {
+                case "credentials": {
+                    return new ConfigCredentialsCmd(this).execute(commandInvocation);
+                }
+                case "truststore": {
+                    return new ConfigTruststoreCmd(this).execute(commandInvocation);
+                }
+                case "initial-token": {
+                    return new ConfigInitialTokenCmd(this).execute(commandInvocation);
+                }
+                case "registration-token": {
+                    return new ConfigRegistrationTokenCmd(this).execute(commandInvocation);
+                }
+                default:
+                    throw new RuntimeException("Unknown sub-command: " + cmd);
+            }
+
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + OsUtil.CMD + " config SUB_COMMAND [ARGUMENTS]");
+        out.println();
+        out.println("Where SUB_COMMAND is one of: 'credentials', 'truststore', 'initial-token', 'registration-token'");
+        out.println();
+        out.println();
+        out.println("Use '" + OsUtil.CMD + " help config SUB_COMMAND' for more info.");
+        out.println("Use '" + OsUtil.CMD + " help' for general information and a list of commands.");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigCredentialsCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigCredentialsCmd.java
new file mode 100644
index 0000000..6d60530
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigCredentialsCmd.java
@@ -0,0 +1,246 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.console.command.Command;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.client.registration.cli.util.AuthUtil;
+import org.keycloak.representations.AccessTokenResponse;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.net.URL;
+
+import static org.keycloak.client.registration.cli.util.AuthUtil.getAuthTokens;
+import static org.keycloak.client.registration.cli.util.AuthUtil.getAuthTokensByJWT;
+import static org.keycloak.client.registration.cli.util.AuthUtil.getAuthTokensBySecret;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.getHandler;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.loadConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveTokens;
+import static org.keycloak.client.registration.cli.util.IoUtil.printErr;
+import static org.keycloak.client.registration.cli.util.IoUtil.readSecret;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.OS_ARCH;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "credentials", description = "--server SERVER_URL --realm REALM [ARGUMENTS]")
+public class ConfigCredentialsCmd extends AbstractAuthOptionsCmd implements Command {
+
+    private int sigLifetime = 600;
+
+    public ConfigCredentialsCmd() {}
+
+    public ConfigCredentialsCmd(AbstractAuthOptionsCmd parent) {
+        init(parent);
+    }
+
+    public void init(ConfigData configData) {
+        if (server == null) {
+            server = configData.getServerUrl();
+        }
+        if (realm == null) {
+            realm = configData.getRealm();
+        }
+        if (trustStore == null) {
+            trustStore = configData.getTruststore();
+        }
+
+        RealmConfigData rdata = configData.getRealmConfigData(server, realm);
+        if (rdata == null) {
+            return;
+        }
+
+        if (clientId == null) {
+            clientId = rdata.getClientId();
+        }
+    }
+
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            processGlobalOptions();
+
+            return process(commandInvocation);
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public CommandResult process(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        // check server
+        if (server == null) {
+            throw new RuntimeException("Required option not specified: --server");
+        }
+
+        try {
+            new URL(server);
+        } catch (Exception e) {
+            throw new RuntimeException("Invalid server endpoint url: " + server, e);
+        }
+
+        if (realm == null)
+            throw new RuntimeException("Required option not specified: --realm");
+
+        String signedRequestToken = null;
+        boolean clientSet = clientId != null;
+
+        applyDefaultOptionValues();
+
+        if (user != null) {
+            printErr("Logging into " + server + " as user " + user + " of realm " + realm);
+
+            // if user was set there needs to be a password so we can authenticate
+            if (password == null) {
+                password = readSecret("Enter password: ", commandInvocation);
+            }
+            // if secret was set to be read from stdin, then ask for it
+            if ("-".equals(secret) && keystore == null) {
+                secret = readSecret("Enter client secret: ", commandInvocation);
+            }
+        } else if (keystore != null || secret != null || clientSet) {
+            printErr("Logging into " + server + " as " + "service-account-" + clientId + " of realm " + realm);
+            if (keystore == null) {
+                if (secret == null) {
+                    secret = readSecret("Enter client secret: ", commandInvocation);
+                }
+            }
+        }
+
+        if (keystore != null) {
+            if (secret != null) {
+                throw new RuntimeException("Can't use both --keystore and --secret");
+            }
+
+            if (!new File(keystore).isFile()) {
+                throw new RuntimeException("No such keystore file: " + keystore);
+            }
+
+            if (storePass == null) {
+                storePass = readSecret("Enter keystore password: ", commandInvocation);
+                keyPass = readSecret("Enter key password: ", commandInvocation);
+            }
+
+            if (keyPass == null) {
+                keyPass = storePass;
+            }
+
+            if (alias == null) {
+                alias = clientId;
+            }
+
+            String realmInfoUrl = server + "/realms/" + realm;
+
+            signedRequestToken = AuthUtil.getSignedRequestToken(keystore, storePass, keyPass,
+                    alias, sigLifetime, clientId, realmInfoUrl);
+        }
+
+        // if only server and realm are set, just save config and be done
+        if (user == null && secret == null && keystore == null) {
+            getHandler().saveMergeConfig(config -> {
+                config.setServerUrl(server);
+                config.setRealm(realm);
+            });
+            return CommandResult.SUCCESS;
+        }
+
+        setupTruststore(copyWithServerInfo(loadConfig()), commandInvocation);
+
+        // now use the token endpoint to retrieve access token, and refresh token
+        AccessTokenResponse tokens = signedRequestToken != null ?
+                getAuthTokensByJWT(server, realm, user, password, clientId, signedRequestToken) :
+                secret != null ?
+                        getAuthTokensBySecret(server, realm, user, password, clientId, secret) :
+                        getAuthTokens(server, realm, user, password, clientId);
+
+        Long sigExpiresAt = signedRequestToken == null ? null : System.currentTimeMillis() + sigLifetime * 1000;
+
+        // save tokens to config file
+        saveTokens(tokens, server, realm, clientId, signedRequestToken, sigExpiresAt, secret);
+
+        return CommandResult.SUCCESS;
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " config credentials --server SERVER_URL --realm REALM [ARGUMENTS]");
+        out.println("       " + CMD + " config credentials --server SERVER_URL --realm REALM --user USER [--password PASSWORD] [ARGUMENTS]");
+        out.println("       " + CMD + " config credentials --server SERVER_URL --realm REALM --client CLIENT_ID [--secret SECRET] [ARGUMENTS]");
+        out.println("       " + CMD + " config credentials --server SERVER_URL --realm REALM --client CLIENT_ID [--keystore KEYSTORE] [ARGUMENTS]");
+        out.println();
+        out.println("Command to establish an authenticated client session with the server. There are many authentication");
+        out.println("options available, and it depends on server side client authentication configuration how client can or should authenticate.");
+        out.println("The information always required includes --server, and --realm. That is enough to establish unauthenticated session.");
+        out.println("If --client is not provided it defaults to 'admin-cli'. The authantication options / requirements depend on how this client is configured.");
+        out.println();
+        out.println("If you have an account configured with the rights to manage clients then you can use username, and password to authenticate.");
+        out.println("If confidential client authentication is also configured, you may have to specify a client id, and client credentials in addition to");
+        out.println("user credentials. Client credentials are either a client secret, or a keystore information to use Signed JWT mechanism.");
+        out.println("If only client credentials are provided, and no user credentials, then the service account is used for login.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                      Print full stack trace when exiting with error");
+        out.println("    --config                Path to a config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println("    --truststore PATH       Path to a truststore containing trusted certificates");
+        out.println("    --trustpass PASSWORD    Truststore password (prompted for if not specified and --truststore is used)");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    --server SERVER_URL     Server endpoint url (e.g. 'http://localhost:8080/auth')");
+        out.println("    --realm REALM           Realm name to use");
+        out.println("    --user USER             Username to login with");
+        out.println("    --password PASSWORD     Password to login with (prompted for if not specified and --user is used)");
+        out.println("    --client CLIENT_ID      ClientId used by this client tool ('admin-cli' by default)");
+        out.println("    --secret SECRET         Secret to authenticate the client (prompted for if --client is specified, and no --keystore is specified)");
+        out.println("    --keystore PATH         Path to a keystore containing private key");
+        out.println("    --storepass PASSWORD    Keystore password (prompted for if not specified and --keystore is used)");
+        out.println("    --keypass PASSWORD      Key password (prompted for if not specified and --keystore is used without --storepass,");
+        out.println("                            otherwise defaults to keystore password)");
+        out.println("    --alias ALIAS           Alias of the key inside a keystore (defaults to the value of ClientId)");
+        out.println();
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Login as 'admin' user of 'master' realm to a local Keycloak server running on default port.");
+        out.println("You will be prompted for a password:");
+        out.println("  " + PROMPT + " " + CMD + " config credentials --server http://localhost:8080/auth --realm master --user admin");
+        out.println();
+        out.println("Login to Keycloak server at non-default endpoint passing the password via standard input:");
+        if (OS_ARCH.isWindows()) {
+            out.println("  " + PROMPT + " echo mypassword | " + CMD + " config credentials --server http://localhost:9080/auth --realm master --user admin");
+        } else {
+            out.println("  " + PROMPT + " " + CMD + " config credentials --server http://localhost:9080/auth --realm master --user admin << EOF");
+            out.println("  mypassword");
+            out.println("  EOF");
+        }
+        out.println();
+        out.println("Login specifying a password through command line:");
+        out.println("  " + PROMPT + " " + CMD + " config credentials --server http://localhost:9080/auth --realm master --user admin --password " + OS_ARCH.envVar("PASSWORD"));
+        out.println();
+        out.println("Login using a client service account of a custom client. You will be prompted for a client secret:");
+        out.println("  " + PROMPT + " " + CMD + " config credentials --server http://localhost:9080/auth --realm master --client reg-cli");
+        out.println();
+        out.println("Login using a client service account of a custom client, authenticating with signed JWT.");
+        out.println("You will be prompted for a keystore password, and a key password:");
+        out.println("  " + PROMPT + " " + CMD + " config credentials --server http://localhost:9080/auth --realm master --client reg-cli --keystore " + OS_ARCH.path("~/.keycloak/keystore.jks"));
+        out.println();
+        out.println("Login as 'user' while also authenticating a custom client with signed JWT.");
+        out.println("You will be prompted for a user password, a keystore password, and a key password:");
+        out.println("  " + PROMPT + " " + CMD + " config credentials --server http://localhost:9080/auth --realm master --user user --client reg-cli --keystore " + OS_ARCH.path("~/.keycloak/keystore.jks"));
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigInitialTokenCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigInitialTokenCmd.java
new file mode 100644
index 0000000..5770e33
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigInitialTokenCmd.java
@@ -0,0 +1,169 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.console.command.Command;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.client.registration.cli.util.IoUtil;
+import org.keycloak.client.registration.cli.util.ParseUtil;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.IoUtil.warnfOut;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.OS_ARCH;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "initial-token", description = "[--server SERVER] --realm REALM [--delete | TOKEN] [ARGUMENTS]")
+public class ConfigInitialTokenCmd extends AbstractAuthOptionsCmd implements Command {
+
+    private ConfigCmd parent;
+
+    private boolean delete;
+    private boolean keepDomain;
+
+    public ConfigInitialTokenCmd() {}
+
+    public ConfigInitialTokenCmd(ConfigCmd parent) {
+        this.parent = parent;
+        init(parent);
+    }
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            return process(commandInvocation);
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public CommandResult process(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        List<String> args = new ArrayList<>();
+
+        Iterator<String> it = parent.args.iterator();
+        // skip the first argument 'initial-token'
+        it.next();
+
+        while (it.hasNext()) {
+            String arg = it.next();
+            switch (arg) {
+                case "-d":
+                case "--delete": {
+                    delete = true;
+                    break;
+                }
+                case "-k":
+                case "--keep-domain": {
+                    keepDomain = true;
+                    break;
+                }
+                default: {
+                    args.add(arg);
+                }
+            }
+        }
+
+        if (args.size() > 1) {
+            throw new RuntimeException("Invalid option: " + args.get(1));
+        }
+
+        String token = args.size() == 1 ? args.get(0) : null;
+
+        if (realm == null) {
+            throw new RuntimeException("Realm not specified");
+        }
+
+        if (token != null && token.startsWith("-")) {
+            warnfOut(ParseUtil.TOKEN_OPTION_WARN, token);
+        }
+
+        checkUnsupportedOptions(
+                "--client", clientId,
+                "--user", user,
+                "--password", password,
+                "--secret", secret,
+                "--keystore", keystore,
+                "--storepass", storePass,
+                "--keypass", keyPass,
+                "--alias", alias,
+                "--truststore", trustStore,
+                "--trustpass", keyPass);
+
+
+        if (!delete && token == null) {
+            token = IoUtil.readSecret("Enter Initial Access Token: ", commandInvocation);
+        }
+
+        // now update the config
+        processGlobalOptions();
+
+        String initialToken = token;
+        saveMergeConfig(config -> {
+            if (!keepDomain && !delete) {
+                config.setServerUrl(server);
+                config.setRealm(realm);
+            }
+            if (delete) {
+                RealmConfigData rdata = config.getRealmConfigData(server, realm);
+                if (rdata != null) {
+                    rdata.setInitialToken(null);
+                }
+            } else {
+                RealmConfigData rdata = config.ensureRealmConfigData(server, realm);
+                rdata.setInitialToken(initialToken);
+            }
+        });
+
+        return CommandResult.SUCCESS;
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " config initial-token --server SERVER --realm REALM [--delete | TOKEN] [ARGUMENTS]");
+        out.println();
+        out.println("Command to configure an initial access token to be used with '" + CMD + " create' command. Even if an ");
+        out.println("authenticated session exists as a result of '" + CMD + " config credentials' its access token will not");
+        out.println("be used - initial access token will be used instead. By default, current server, and realm will");
+        out.println("be set to the new values thus subsequent commands will use these values as default.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                      Print full stack trace when exiting with error");
+        out.println("    --config                Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    --server SERVER         Server endpoint url (e.g. 'http://localhost:8080/auth')");
+        out.println("    --realm REALM           Realm name to use");
+        out.println("    -k, --keep-domain       Don't overwrite default server and realm");
+        out.println("    -d, --delete            Indicates that initial access token should be removed");
+        out.println("    TOKEN                   Initial access token (prompted for if not specified, unless -d is used)");
+        out.println();
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Specify initial access token for server, and realm. Token is passed via env variable:");
+        out.println("  " + PROMPT + " " + CMD + " config initial-token --server http://localhost:9080/auth --realm master " + OS_ARCH.envVar("TOKEN"));
+        out.println();
+        out.println("Remove initial access token:");
+        out.println("  " + PROMPT + " " + CMD + " config initial-token --server http://localhost:9080/auth --realm master --delete");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigRegistrationTokenCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigRegistrationTokenCmd.java
new file mode 100644
index 0000000..facea57
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigRegistrationTokenCmd.java
@@ -0,0 +1,158 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.console.command.Command;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.client.registration.cli.util.IoUtil;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.OS_ARCH;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "registration-token", description = "[--server SERVER] --realm REALM --client CLIENT [--delete | TOKEN] [ARGUMENTS]")
+public class ConfigRegistrationTokenCmd extends AbstractAuthOptionsCmd implements Command {
+
+    private ConfigCmd parent;
+
+    private boolean delete;
+
+    public ConfigRegistrationTokenCmd() {}
+
+    public ConfigRegistrationTokenCmd(ConfigCmd parent) {
+        this.parent = parent;
+        init(parent);
+    }
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            return process(commandInvocation);
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public CommandResult process(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        List<String> args = new ArrayList<>();
+
+        Iterator<String> it = parent.args.iterator();
+        // skip the first argument 'initial-token'
+        it.next();
+
+        while (it.hasNext()) {
+            String arg = it.next();
+            switch (arg) {
+                case "-d":
+                case "--delete": {
+                    delete = true;
+                    break;
+                }
+                default: {
+                    args.add(arg);
+                }
+            }
+        }
+
+        if (args.size() > 1) {
+            throw new RuntimeException("Invalid option: " + args.get(1));
+        }
+
+        String token = args.size() == 1 ? args.get(0) : null;
+
+        if (server == null) {
+            throw new RuntimeException("Required option not specified: --server");
+        }
+
+        if (realm == null) {
+            throw new RuntimeException("Required option not specified: --realm");
+        }
+
+        if (clientId == null) {
+            throw new RuntimeException("Required option not specified: --client");
+        }
+
+        checkUnsupportedOptions(
+                "--user", user,
+                "--password", password,
+                "--secret", secret,
+                "--keystore", keystore,
+                "--storepass", storePass,
+                "--keypass", keyPass,
+                "--alias", alias,
+                "--truststore", trustStore,
+                "--trustpass", keyPass);
+
+
+        if (!delete && token == null) {
+            token = IoUtil.readSecret("Enter Registration Access Token: ", commandInvocation);
+        }
+
+        // now update the config
+        processGlobalOptions();
+
+        String registrationToken = token;
+        saveMergeConfig(config -> {
+            RealmConfigData rdata = config.getRealmConfigData(server, realm);
+            if (delete) {
+                if (rdata != null) {
+                    rdata.getClients().remove(clientId);
+                }
+            } else {
+                config.ensureRealmConfigData(server, realm).getClients().put(clientId, registrationToken);
+            }
+        });
+
+        return CommandResult.SUCCESS;
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " config registration-token --server SERVER --realm REALM --client CLIENT [--delete | TOKEN] [ARGUMENTS]");
+        out.println();
+        out.println("Command to configure a registration access token to be used with 'kcreg get / update / delete' commands. Even if an ");
+        out.println("authenticated session exists as a result of '" + CMD + " config credentials' its access token will not be used - registration");
+        out.println("access token will be used instead.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                      Print full stack trace when exiting with error");
+        out.println("    --config                Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    --server SERVER         Server endpoint url (e.g. 'http://localhost:8080/auth')");
+        out.println("    --realm REALM           Realm name to use");
+        out.println("    --client CLIENT         ClientId of client whose token to set");
+        out.println("    -d, --delete            Indicates that registration access token should be removed");
+        out.println("    TOKEN                   Registration access token (prompted for if not specified, unless -d is used)");
+        out.println();
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Specify registration access token for server, and realm. Token is passed via env variable:");
+        out.println("  " + PROMPT + " " + CMD + " config registration-token --server http://localhost:9080/auth --realm master --client my_client " + OS_ARCH.envVar("TOKEN"));
+        out.println();
+        out.println("Remove registration access token:");
+        out.println("  " + PROMPT + " " + CMD + " config registration-token --server http://localhost:9080/auth --realm master --client my_client --delete");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigTruststoreCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigTruststoreCmd.java
new file mode 100644
index 0000000..99917f3
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/ConfigTruststoreCmd.java
@@ -0,0 +1,168 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.console.command.Command;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.IoUtil.readSecret;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.OS_ARCH;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "truststore", description = "PATH [ARGUMENTS]")
+public class ConfigTruststoreCmd extends AbstractAuthOptionsCmd implements Command {
+
+    private ConfigCmd parent;
+
+    private boolean delete;
+
+    public ConfigTruststoreCmd() {}
+
+    public ConfigTruststoreCmd(ConfigCmd parent) {
+        this.parent = parent;
+        init(parent);
+    }
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            return process(commandInvocation);
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public CommandResult process(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        List<String> args = new ArrayList<>();
+
+        Iterator<String> it = parent.args.iterator();
+        // skip the first argument 'truststore'
+        it.next();
+
+        while (it.hasNext()) {
+            String arg = it.next();
+            switch (arg) {
+                case "-d":
+                case "--delete": {
+                    delete = true;
+                    break;
+                }
+                default: {
+                    args.add(arg);
+                }
+            }
+        }
+
+        if (args.size() > 1) {
+            throw new RuntimeException("Invalid option: " + args.get(1));
+        }
+
+        String truststore = null;
+        if (args.size() > 0) {
+            truststore = args.get(0);
+        }
+
+        checkUnsupportedOptions("--server", server,
+                "--realm", realm,
+                "--client", clientId,
+                "--user", user,
+                "--password", password,
+                "--secret", secret,
+                "--truststore", trustStore,
+                "--keystore", keystore,
+                "--keypass", keyPass,
+                "--alias", alias);
+
+        // now update the config
+        processGlobalOptions();
+
+        String store;
+        String pass;
+
+        if (!delete) {
+
+            if (truststore == null) {
+                throw new RuntimeException("No truststore specified");
+            }
+
+            if (!new File(truststore).isFile()) {
+                throw new RuntimeException("Truststore file not found: " + truststore);
+            }
+
+            if ("-".equals(trustPass)) {
+                trustPass = readSecret("Enter truststore password: ", commandInvocation);
+            }
+
+            store = truststore;
+            pass = trustPass;
+
+        } else {
+            if (truststore != null) {
+                throw new RuntimeException("Option --delete is mutually exclusive with specifying a TRUSTSTORE");
+            }
+            if (trustPass != null) {
+                throw new RuntimeException("Options --trustpass and --delete are mutually exclusive");
+            }
+            store = null;
+            pass = null;
+        }
+
+        saveMergeConfig(config -> {
+            config.setTruststore(store);
+            config.setTrustpass(pass);
+        });
+
+        return CommandResult.SUCCESS;
+    }
+
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " config truststore [TRUSTSTORE | --delete] [--trustpass PASSWOD] [ARGUMENTS]");
+        out.println();
+        out.println("Command to configure a global truststore to use when using https to connect to Keycloak server.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                      Print full stack trace when exiting with error");
+        out.println("    --config                Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    TRUSTSTORE              Path to truststore file");
+        out.println("    --trustpass PASSWORD    Truststore password to unlock truststore (prompted for if set to '-')");
+        out.println("    -d, --delete            Remove truststore configuration");
+        out.println();
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Specify a truststore - you will be prompted for truststore password every time it is used:");
+        out.println("  " + PROMPT + " " + CMD + " config truststore " + OS_ARCH.path("~/.keycloak/truststore.jks"));
+        out.println();
+        out.println("Specify a truststore, and password - truststore will automatically without prompting for password:");
+        out.println("  " + PROMPT + " " + CMD + " config truststore --storepass " + OS_ARCH.envVar("PASSWORD") + " " + OS_ARCH.path("~/.keycloak/truststore.jks"));
+        out.println();
+        out.println("Remove truststore configuration:");
+        out.println("  " + PROMPT + " " + CMD + " config truststore --delete");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/CreateCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/CreateCmd.java
new file mode 100644
index 0000000..35f18a1
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/CreateCmd.java
@@ -0,0 +1,295 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.commands;
+
+import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.cl.Option;
+import org.jboss.aesh.console.command.Command;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.aesh.EndpointTypeConverter;
+import org.keycloak.client.registration.cli.common.AttributeOperation;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.common.CmdStdinContext;
+import org.keycloak.client.registration.cli.common.EndpointType;
+import org.keycloak.client.registration.cli.util.HttpUtil;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.oidc.OIDCClientRepresentation;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.common.AttributeOperation.Type.SET;
+import static org.keycloak.client.registration.cli.common.EndpointType.DEFAULT;
+import static org.keycloak.client.registration.cli.common.EndpointType.OIDC;
+import static org.keycloak.client.registration.cli.common.EndpointType.SAML2;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.credentialsAvailable;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.loadConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.HttpUtil.getExpectedContentType;
+import static org.keycloak.client.registration.cli.util.IoUtil.printErr;
+import static org.keycloak.client.registration.cli.util.IoUtil.readFully;
+import static org.keycloak.client.registration.cli.util.IoUtil.readSecret;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.OS_ARCH;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+import static org.keycloak.client.registration.cli.util.ParseUtil.mergeAttributes;
+import static org.keycloak.client.registration.cli.util.ParseUtil.parseFileOrStdin;
+import static org.keycloak.client.registration.cli.util.AuthUtil.ensureToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.setRegistrationToken;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doPost;
+import static org.keycloak.client.registration.cli.util.IoUtil.printOut;
+import static org.keycloak.client.registration.cli.util.ParseUtil.parseKeyVal;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "create", description = "[ARGUMENTS]")
+public class CreateCmd extends AbstractAuthOptionsCmd implements Command {
+
+    @Option(shortName = 'i', name = "clientId", description = "After creation only print clientId to standard output", hasValue = false)
+    protected boolean returnClientId = false;
+
+    @Option(shortName = 'e', name = "endpoint", description = "Endpoint type / document format to use - one of: 'default', 'oidc', 'saml2'",
+            hasValue = true, converter = EndpointTypeConverter.class)
+    protected EndpointType regType;
+
+    @Option(shortName = 'f', name = "file", description = "Read object from file or standard input if FILENAME is set to '-'", hasValue = true)
+    protected String file;
+
+    @Option(shortName = 'o', name = "output", description = "After creation output the new client configuration to standard output", hasValue = false)
+    protected boolean outputClient = false;
+
+    @Option(shortName = 'c', name = "compressed", description = "Don't pretty print the output", hasValue = false)
+    protected boolean compressed = false;
+
+    //@OptionGroup(shortName = 's', name = "set", description = "Set attribute to the specified value")
+    //Map<String, String> attributes = new LinkedHashMap<>();
+
+    @Arguments
+    protected List<String> args;
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        List<AttributeOperation> attrs = new LinkedList<>();
+
+        try {
+            processGlobalOptions();
+
+            if (args != null) {
+                Iterator<String> it = args.iterator();
+                while (it.hasNext()) {
+                    String option = it.next();
+                    switch (option) {
+                        case "-s":
+                        case "--set": {
+                            if (!it.hasNext()) {
+                                throw new RuntimeException("Option " + option + " requires a value");
+                            }
+                            String[] keyVal = parseKeyVal(it.next());
+                            attrs.add(new AttributeOperation(SET, keyVal[0], keyVal[1]));
+                            break;
+                        }
+                        default: {
+                            throw new RuntimeException("Unsupported option: " + option);
+                        }
+                    }
+                }
+            }
+
+            if (file == null && attrs.size() == 0) {
+                throw new RuntimeException("No file nor attribute values specified");
+            }
+
+            if (outputClient && returnClientId) {
+                throw new RuntimeException("Options -o and -i can't be used together");
+            }
+
+            // if --token is specified read it
+            if ("-".equals(token)) {
+                token = readSecret("Enter Initial Access Token: ", commandInvocation);
+            }
+
+            CmdStdinContext ctx = new CmdStdinContext();
+            if (file != null) {
+                ctx = parseFileOrStdin(file, regType);
+            }
+
+            if (ctx.getEndpointType() == null) {
+                regType = regType != null ? regType : DEFAULT;
+                ctx.setEndpointType(regType);
+            } else if (regType != null && ctx.getEndpointType() != regType) {
+                throw new RuntimeException("Requested endpoint type not compatible with detected configuration format: " + ctx.getEndpointType());
+            }
+
+            if (attrs.size() > 0) {
+                ctx = mergeAttributes(ctx, attrs);
+            }
+
+            String contentType = getExpectedContentType(ctx.getEndpointType());
+
+            ConfigData config = loadConfig();
+            config = copyWithServerInfo(config);
+
+            if (token == null) {
+                // if initial token is not set, try use the one from configuration
+                token = config.sessionRealmConfigData().getInitialToken();
+            }
+
+            setupTruststore(config, commandInvocation);
+
+            String auth = token;
+            if (auth == null) {
+                config = ensureAuthInfo(config, commandInvocation);
+                config = copyWithServerInfo(config);
+                if (credentialsAvailable(config)) {
+                    auth = ensureToken(config);
+                }
+            }
+
+            auth = auth != null ? "Bearer " + auth : null;
+
+            final String server = config.getServerUrl();
+            final String realm = config.getRealm();
+
+            InputStream response = doPost(server + "/realms/" + realm + "/clients-registrations/" + ctx.getEndpointType().getEndpoint(),
+                    contentType, HttpUtil.APPLICATION_JSON, ctx.getContent(), auth);
+
+            try {
+                if (ctx.getEndpointType() == DEFAULT || ctx.getEndpointType() == SAML2) {
+                    ClientRepresentation client = JsonSerialization.readValue(response, ClientRepresentation.class);
+                    outputResult(client.getClientId(), client);
+
+                    saveMergeConfig(cfg -> {
+                        setRegistrationToken(cfg.ensureRealmConfigData(server, realm), client.getClientId(), client.getRegistrationAccessToken());
+                    });
+                } else if (ctx.getEndpointType() == OIDC) {
+                    OIDCClientRepresentation client = JsonSerialization.readValue(response, OIDCClientRepresentation.class);
+                    outputResult(client.getClientId(), client);
+
+                    saveMergeConfig(cfg -> {
+                        setRegistrationToken(cfg.ensureRealmConfigData(server, realm), client.getClientId(), client.getRegistrationAccessToken());
+                    });
+                } else {
+                    printOut("Response from server: " + readFully(response));
+                }
+            } catch (UnrecognizedPropertyException e) {
+                throw new RuntimeException("Failed to process HTTP reponse - " + e.getMessage(), e);
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to process HTTP response", e);
+            }
+
+            return CommandResult.SUCCESS;
+
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    private void outputResult(String clientId, Object result) throws IOException {
+        if (returnClientId) {
+            printOut(clientId);
+        } else if (outputClient) {
+            if (compressed) {
+                printOut(JsonSerialization.writeValueAsString(result));
+            } else {
+                printOut(JsonSerialization.writeValueAsPrettyString(result));
+            }
+        } else {
+            printErr("Registered new client with client_id '" + clientId + "'");
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " create [ARGUMENTS]");
+        out.println();
+        out.println("Command to create new client configurations on the server. If Initial Access Token is specified (-t TOKEN)");
+        out.println("or has previously been set for the server, and realm in the configuration ('" + CMD + " config initial-token'),");
+        out.println("then that will be used, otherwise session access / refresh tokens will be used.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                    Print full stack trace when exiting with error");
+        out.println("    --config              Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println("    --truststore PATH     Path to a truststore containing trusted certificates");
+        out.println("    --trustpass PASSWORD  Truststore password (prompted for if not specified and --truststore is used)");
+        out.println("    CREDENTIALS OPTIONS   Same set of options as accepted by '" + CMD + " config credentials' in order to establish");
+        out.println("                          an authenticated sessions. This allows on-the-fly transient authentication that does");
+        out.println("                          not touch a config file.");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    -t, --token TOKEN     Use the specified Initial Access Token for authorization or read it from standard input ");
+        out.println("                          if '-' is specified. This overrides any token set by '" + CMD + " config initial-token'.");
+        out.println("                          If not specified, session credentials are used - see: CREDENTIALS OPTIONS.");
+        out.println("    -e, --endpoint TYPE   Endpoint type / document format to use - one of: 'default', 'oidc', 'saml2'.");
+        out.println("                          If not specified, the format is deduced from input file or falls back to 'default'.");
+        out.println("    -s, --set NAME=VALUE  Set a specific attribute NAME to a specified value VALUE");
+        out.println("    -f, --file FILENAME   Read object from file or standard input if FILENAME is set to '-'");
+        out.println("    -o, --output          After creation output the new client configuration to standard output");
+        out.println("    -c, --compressed      Don't pretty print the output");
+        out.println("    -i, --clientId        After creation only print clientId to standard output");
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Create a new client using configuration read from standard input:");
+        if (OS_ARCH.isWindows()) {
+            out.println("  " + PROMPT + " echo { \"clientId\": \"my_client\" } | " + CMD + " create -f -");
+        } else {
+            out.println("  " + PROMPT + " " + CMD + " create -f - << EOF");
+            out.println("  {");
+            out.println("    \"clientId\": \"my_client\"");
+            out.println("  }");
+            out.println("  EOF");
+        }
+        out.println();
+        out.println("Since we didn't specify an endpoint type it will be deduced from configuration format.");
+        out.println("Supported formats include Keycloak default format, OIDC format, and SAML SP Metadata.");
+        out.println();
+        out.println("Creating a client using file as a template, and overriding some attributes:");
+        out.println("  " + PROMPT + " " + CMD + " create -f my_client.json -s clientId=my_client2 -s 'redirectUris=[\"http://localhost:8980/myapp/*\"]'");
+        out.println();
+        out.println("Creating a client using an Initial Access Token - you'll be prompted for a token:");
+        out.println("  " + PROMPT + " " + CMD + " create -s clientId=my_client2 -s 'redirectUris=[\"http://localhost:8980/myapp/*\"]' -t -");
+        out.println();
+        out.println("Creating a client using 'oidc' endpoint. Without setting endpoint type here it would be 'default':");
+        out.println("  " + PROMPT + " " + CMD + " create -e oidc -s 'redirect_uris=[\"http://localhost:8980/myapp/*\"]'");
+        out.println();
+        out.println("Creating a client using 'saml2' endpoint. In this case setting endpoint type is redundant since it is deduced ");
+        out.println("from file content:");
+        out.println("  " + PROMPT + " " + CMD + " create -e saml2 -f saml-sp-metadata.xml");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/DeleteCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/DeleteCmd.java
new file mode 100644
index 0000000..1d6e817
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/DeleteCmd.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.util.ParseUtil;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.util.AuthUtil.ensureToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.credentialsAvailable;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.getRegistrationToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.loadConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doDelete;
+import static org.keycloak.client.registration.cli.util.HttpUtil.urlencode;
+import static org.keycloak.client.registration.cli.util.IoUtil.warnfErr;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "delete", description = "CLIENT_ID [GLOBAL_OPTIONS]")
+public class DeleteCmd extends AbstractAuthOptionsCmd {
+
+    @Arguments
+    private List<String> args = new ArrayList<>();
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            processGlobalOptions();
+
+            if (args.isEmpty()) {
+                throw new RuntimeException("CLIENT_ID not specified");
+            }
+
+            if (args.size() > 1) {
+                throw new RuntimeException("Invalid option: " + args.get(1));
+            }
+
+            String clientId = args.get(0);
+
+            if (clientId.startsWith("-")) {
+                warnfErr(ParseUtil.CLIENTID_OPTION_WARN, clientId);
+            }
+
+            String regType = "default";
+
+            ConfigData config = loadConfig();
+            config = copyWithServerInfo(config);
+
+            if (token == null) {
+                // if registration access token is not set via -t, try use the one from configuration
+                token = getRegistrationToken(config.sessionRealmConfigData(), clientId);
+            }
+
+            setupTruststore(config, commandInvocation);
+
+            String auth = token;
+            if (auth == null) {
+                config = ensureAuthInfo(config, commandInvocation);
+                config = copyWithServerInfo(config);
+                if (credentialsAvailable(config)) {
+                    auth = ensureToken(config);
+                }
+            }
+
+            auth = auth != null ? "Bearer " + auth : null;
+
+
+            final String server = config.getServerUrl();
+            final String realm = config.getRealm();
+
+            doDelete(server + "/realms/" + realm + "/clients-registrations/" + regType + "/" + urlencode(clientId), auth);
+
+            saveMergeConfig(cfg -> {
+                cfg.ensureRealmConfigData(server, realm).getClients().remove(clientId);
+            });
+            return CommandResult.SUCCESS;
+
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " delete CLIENT [ARGUMENTS]");
+        out.println();
+        out.println("Command to delete a specific client configuration. If registration access token is specified or is available in ");
+        out.println("configuration file, then it is used. Otherwise, current active session is used.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                    Print full stack trace when exiting with error");
+        out.println("    --config              Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println("    --truststore PATH     Path to a truststore containing trusted certificates");
+        out.println("    --trustpass PASSWORD  Truststore password (prompted for if not specified and --truststore is used)");
+        out.println("    --token TOKEN         Registration access token to use");
+        out.println("    CREDENTIALS OPTIONS   Same set of options as accepted by '" + CMD + " config credentials' in order to establish");
+        out.println("                          an authenticated sessions. This allows on-the-fly transient authentication that does");
+        out.println("                          not touch a config file.");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    CLIENT                ClientId of the client to delete");
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Delete a client:");
+        out.println("  " + PROMPT + " " + CMD + " delete my_client");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/GetCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/GetCmd.java
new file mode 100644
index 0000000..1b6b7cc
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/GetCmd.java
@@ -0,0 +1,215 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.cl.Option;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.common.EndpointType;
+import org.keycloak.client.registration.cli.util.ParseUtil;
+import org.keycloak.representations.adapters.config.AdapterConfig;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.oidc.OIDCClientRepresentation;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.util.AuthUtil.ensureToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.credentialsAvailable;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.getRegistrationToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.loadConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.setRegistrationToken;
+import static org.keycloak.client.registration.cli.util.HttpUtil.APPLICATION_JSON;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doGet;
+import static org.keycloak.client.registration.cli.util.HttpUtil.urlencode;
+import static org.keycloak.client.registration.cli.util.IoUtil.warnfErr;
+import static org.keycloak.client.registration.cli.util.IoUtil.printOut;
+import static org.keycloak.client.registration.cli.util.IoUtil.readFully;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "get", description = "[ARGUMENTS]")
+public class GetCmd extends AbstractAuthOptionsCmd {
+
+    @Option(shortName = 'c', name = "compressed", description = "Print full stack trace when exiting with error", hasValue = false)
+    private boolean compressed = false;
+
+    @Option(shortName = 'e', name = "endpoint", description = "Endpoint type to use", hasValue = true)
+    private String endpoint;
+
+    @Arguments
+    private List<String> args = new ArrayList<>();
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        try {
+            processGlobalOptions();
+
+            if (args == null || args.isEmpty()) {
+                throw new RuntimeException("CLIENT not specified");
+            }
+
+            if (args.size() > 1) {
+                throw new RuntimeException("Invalid option: " + args.get(1));
+            }
+
+            String clientId = args.get(0);
+            EndpointType regType = endpoint != null ? EndpointType.of(endpoint) : EndpointType.DEFAULT;
+
+
+            if (clientId.startsWith("-")) {
+                warnfErr(ParseUtil.CLIENTID_OPTION_WARN, clientId);
+            }
+
+            ConfigData config = loadConfig();
+            config = copyWithServerInfo(config);
+
+            if (token == null) {
+                // if registration access token is not set via -t, try use the one from configuration
+                token = getRegistrationToken(config.sessionRealmConfigData(), clientId);
+            }
+
+            setupTruststore(config, commandInvocation);
+
+            String auth = token;
+            if (auth == null) {
+                config = ensureAuthInfo(config, commandInvocation);
+                config = copyWithServerInfo(config);
+                if (credentialsAvailable(config)) {
+                    auth = ensureToken(config);
+                }
+            }
+
+            auth = auth != null ? "Bearer " + auth : null;
+
+
+            final String server = config.getServerUrl();
+            final String realm = config.getRealm();
+
+            InputStream response = doGet(server + "/realms/" + realm + "/clients-registrations/" + regType.getEndpoint() + "/" + urlencode(clientId),
+                    APPLICATION_JSON, auth);
+
+            try {
+                String json = readFully(response);
+                Object result = null;
+
+                switch (regType) {
+                    case DEFAULT: {
+                        ClientRepresentation client = JsonSerialization.readValue(json, ClientRepresentation.class);
+                        result = client;
+
+                        saveMergeConfig(cfg -> {
+                            setRegistrationToken(cfg.ensureRealmConfigData(server, realm), client.getClientId(), client.getRegistrationAccessToken());
+                        });
+                        break;
+                    }
+                    case OIDC: {
+                        OIDCClientRepresentation client = JsonSerialization.readValue(json, OIDCClientRepresentation.class);
+                        result = client;
+
+                        saveMergeConfig(cfg -> {
+                            setRegistrationToken(cfg.ensureRealmConfigData(server, realm), client.getClientId(), client.getRegistrationAccessToken());
+                        });
+                        break;
+                    }
+                    case INSTALL: {
+                        result = JsonSerialization.readValue(json, AdapterConfig.class);
+                        break;
+                    }
+                    case SAML2: {
+                        break;
+                    }
+                    default: {
+                        throw new RuntimeException("Unexpected type: " + regType);
+                    }
+                }
+
+                if (!compressed && result != null) {
+                    json = JsonSerialization.writeValueAsPrettyString(result);
+                }
+
+                printOut(json);
+
+            //} catch (UnrecognizedPropertyException e) {
+            //    throw new RuntimeException("Failed to parse returned JSON - " + e.getMessage(), e);
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to process HTTP response", e);
+            }
+            return CommandResult.SUCCESS;
+
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " get CLIENT [ARGUMENTS]");
+        out.println();
+        out.println("Command to retrieve a client configuration description for a specified client. If registration access token");
+        out.println("is specified or is available in configuration file, then it is used. Otherwise, current active session is used.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                    Print full stack trace when exiting with error");
+        out.println("    --config              Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println("    --truststore PATH     Path to a truststore containing trusted certificates");
+        out.println("    --trustpass PASSWORD  Truststore password (prompted for if not specified and --truststore is used)");
+        out.println("    -t, --token TOKEN     Registration access token to use");
+        out.println("    CREDENTIALS OPTIONS   Same set of options as accepted by '" + CMD + " config credentials' in order to establish");
+        out.println("                          an authenticated sessions. This allows on-the-fly transient authentication that does");
+        out.println("                          not touch a config file.");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    CLIENT                ClientId of the client to display");
+        out.println("    -c, --compressed      Don't pretty print the output");
+        out.println("    -e, --endpoint TYPE   Endpoint type to use - one of: 'default', 'oidc', 'install'");
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Get configuration in default format:");
+        out.println("  " + PROMPT + " " + CMD + " get my_client");
+        out.println();
+        out.println("Get configuration in OIDC format:");
+        out.println("  " + PROMPT + " " + CMD + " get my_client -e oidc");
+        out.println();
+        out.println("Get adapter configuration for the client:");
+        out.println("  " + PROMPT + " " + CMD + " get my_client -e install");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/HelpCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/HelpCmd.java
new file mode 100644
index 0000000..820f84a
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/HelpCmd.java
@@ -0,0 +1,90 @@
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.console.command.Command;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.util.IoUtil.printOut;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "help", description = "This help")
+public class HelpCmd implements Command {
+
+    @Arguments
+    private List<String> args;
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            if (args == null || args.size() == 0) {
+                printOut(KcRegCmd.usage());
+            } else {
+                outer:
+                switch (args.get(0)) {
+                    case "config": {
+                        if (args.size() > 1) {
+                            switch (args.get(1)) {
+                                case "credentials": {
+                                    printOut(ConfigCredentialsCmd.usage());
+                                    break outer;
+                                }
+                                case "initial-token": {
+                                    printOut(ConfigInitialTokenCmd.usage());
+                                    break outer;
+                                }
+                                case "registration-token": {
+                                    printOut(ConfigRegistrationTokenCmd.usage());
+                                    break outer;
+                                }
+                                case "truststore": {
+                                    printOut(ConfigTruststoreCmd.usage());
+                                    break outer;
+                                }
+                            }
+                        }
+                        printOut(ConfigCmd.usage());
+                        break;
+                    }
+                    case "create": {
+                        printOut(CreateCmd.usage());
+                        break;
+                    }
+                    case "get": {
+                        printOut(GetCmd.usage());
+                        break;
+                    }
+                    case "update": {
+                        printOut(UpdateCmd.usage());
+                        break;
+                    }
+                    case "delete": {
+                        printOut(DeleteCmd.usage());
+                        break;
+                    }
+                    case "attrs": {
+                        printOut(AttrsCmd.usage());
+                        break;
+                    }
+                    case "update-token": {
+                        printOut(UpdateTokenCmd.usage());
+                        break;
+                    }
+                    default: {
+                        throw new RuntimeException("Unknown command: " + args.get(0));
+                    }
+                }
+            }
+
+            return CommandResult.SUCCESS;
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/KcRegCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/KcRegCmd.java
new file mode 100644
index 0000000..d2b8a85
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/KcRegCmd.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.keycloak.client.registration.cli.commands;
+
+import org.jboss.aesh.cl.GroupCommandDefinition;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.util.IoUtil;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+
+@GroupCommandDefinition(name = "kcreg", description = "COMMAND [ARGUMENTS]", groupCommands = {
+    HelpCmd.class, ConfigCmd.class, CreateCmd.class, UpdateCmd.class, GetCmd.class, DeleteCmd.class, AttrsCmd.class, UpdateTokenCmd.class} )
+public class KcRegCmd extends AbstractGlobalOptionsCmd {
+
+    //@Arguments
+    //private List<String> args;
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+        try {
+            IoUtil.printOut(usage());
+
+            return CommandResult.SUCCESS;
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Keycloak Client Registration CLI");
+        out.println();
+        out.println("Use '" + CMD + " config credentials' command with username and password to start a session against a specific");
+        out.println("server and realm.");
+        out.println();
+        out.println("For example:");
+        out.println();
+        out.println("  " + PROMPT + " " + CMD + " config credentials --server http://localhost:8080/auth --realm master --user admin");
+        out.println("  Enter password: ");
+        out.println("  Logging into http://localhost:8080/auth as user admin of realm master");
+        out.println();
+        out.println("Any configured username can be used for login, but to perform client registration operations the user");
+        out.println("needs proper roles, otherwise attempts to create, update, read, or delete clients will fail.");
+        out.println("Alternatively, the user without the necessary roles can use an Initial Access Token provided by realm");
+        out.println("administrator when creating a new client with 'create' command. For example:");
+        out.println();
+        out.println("  " + PROMPT + " " + CMD + " create -f my_client.json -t -");
+        out.println("  Enter Initial Access Token: ");
+        out.println("  Registered new client with client_id 'my_client'");
+        out.println();
+        out.println("When Initial Access Token is used the server issues a Registration Access Token which is automatically");
+        out.println("handled by " + CMD + ", saved into a local config file, and automatically used for any follow-up operations");
+        out.println("on the same client. For example:");
+        out.println();
+        out.println("  " + PROMPT + " " + CMD + " get my_client");
+        out.println("  " + PROMPT + " " + CMD + " update my_client -s enabled=false");
+        out.println("  " + PROMPT + " " + CMD + " delete my_client");
+        out.println();
+        out.println();
+        out.println("Usage: " + CMD + " COMMAND [ARGUMENTS]");
+        out.println();
+        out.println("Global options:");
+        out.println("  -x            Print full stack trace when exiting with error");
+        out.println("  -c, --config  Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println();
+        out.println("Commands: ");
+        out.println("  config        Set up credentials, and other configuration settings using the config file");
+        out.println("  create        Register a new client");
+        out.println("  get           Get configuration of existing client in Keycloak or OIDC format, or adapter install configuration");
+        out.println("  update        Update a client configuration");
+        out.println("  delete        Delete a client");
+        out.println("  attrs         List available attributes");
+        out.println("  update-token  Update Registration Access Token for a client");
+        out.println("  help          This help");
+        out.println();
+        out.println("Use '" + CMD + " help <command>' for more information about a given command.");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/UpdateCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/UpdateCmd.java
new file mode 100644
index 0000000..87ab781
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/UpdateCmd.java
@@ -0,0 +1,410 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.commands;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.cl.Option;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.aesh.EndpointTypeConverter;
+import org.keycloak.client.registration.cli.common.AttributeOperation;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.common.CmdStdinContext;
+import org.keycloak.client.registration.cli.common.EndpointType;
+import org.keycloak.client.registration.cli.util.ParseUtil;
+import org.keycloak.client.registration.cli.util.ReflectionUtil;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.oidc.OIDCClientRepresentation;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.common.AttributeOperation.Type.DELETE;
+import static org.keycloak.client.registration.cli.common.AttributeOperation.Type.SET;
+import static org.keycloak.client.registration.cli.util.AuthUtil.ensureToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.credentialsAvailable;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.getRegistrationToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.loadConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.setRegistrationToken;
+import static org.keycloak.client.registration.cli.common.EndpointType.DEFAULT;
+import static org.keycloak.client.registration.cli.common.EndpointType.OIDC;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doGet;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doPut;
+import static org.keycloak.client.registration.cli.util.HttpUtil.urlencode;
+import static org.keycloak.client.registration.cli.util.IoUtil.printOut;
+import static org.keycloak.client.registration.cli.util.IoUtil.warnfErr;
+import static org.keycloak.client.registration.cli.util.IoUtil.readFully;
+import static org.keycloak.client.registration.cli.util.HttpUtil.APPLICATION_JSON;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+import static org.keycloak.client.registration.cli.util.ParseUtil.mergeAttributes;
+import static org.keycloak.client.registration.cli.util.ParseUtil.parseFileOrStdin;
+import static org.keycloak.client.registration.cli.util.ParseUtil.parseKeyVal;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "update", description = "CLIENT_ID [ARGUMENTS]")
+public class UpdateCmd extends AbstractAuthOptionsCmd {
+
+    @Option(shortName = 'e', name = "endpoint", description = "Endpoint type to use - one of: 'default', 'oidc'", hasValue = true, converter = EndpointTypeConverter.class)
+    private EndpointType regType = null;
+
+    //@GroupOption(shortName = 's', name = "set", description = "Set specific attribute to a specified value", hasValue = true)
+    //private List<String> attributes = new ArrayList<>();
+
+    @Option(shortName = 'f', name = "file", description = "Use the file or standard input if '-' is specified", hasValue = true)
+    private String file = null;
+
+    @Option(shortName = 'm', name = "merge", description = "Merge new values with existing configuration on the server", hasValue = false)
+    private boolean mergeMode = true;
+
+    @Option(shortName = 'u', name = "unsafe", description = "Allow updating without registration access token - no optimistic locking", hasValue = false)
+    private boolean allowUnsafe = true;
+
+    @Option(shortName = 'o', name = "output", description = "After update output the new client configuration", hasValue = false)
+    private boolean outputClient = false;
+
+    @Option(shortName = 'c', name = "compressed", description = "Don't pretty print the output", hasValue = false)
+    private boolean compressed = false;
+
+    @Arguments
+    private List<String> args;
+
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        List<AttributeOperation> attrs = new LinkedList<>();
+
+        try {
+            processGlobalOptions();
+
+            String clientId = null;
+
+            if (args != null) {
+                Iterator<String> it = args.iterator();
+                if (!it.hasNext()) {
+                    throw new RuntimeException("CLIENT_ID not specified");
+                }
+
+                clientId = it.next();
+
+                if (clientId.startsWith("-")) {
+                    warnfErr(ParseUtil.CLIENTID_OPTION_WARN, clientId);
+                }
+
+                while (it.hasNext()) {
+                    String option = it.next();
+                    switch (option) {
+                        case "-s":
+                        case "--set": {
+                            if (!it.hasNext()) {
+                                throw new RuntimeException("Option " + option + " requires a value");
+                            }
+                            String[] keyVal = parseKeyVal(it.next());
+                            attrs.add(new AttributeOperation(SET, keyVal[0], keyVal[1]));
+                            break;
+                        }
+                        case "-d":
+                        case "--delete": {
+                            attrs.add(new AttributeOperation(DELETE, it.next()));
+                            break;
+                        }
+                        default: {
+                            throw new RuntimeException("Unsupported option: " + option);
+                        }
+                    }
+                }
+            }
+
+            if (file == null && attrs.size() == 0) {
+                throw new RuntimeException("No file nor attribute values specified");
+            }
+
+            // We have several options for update:
+            //
+            // A) if a file is specified, then we can overwrite server state with that file
+            //   (that's the normal flow - get and save locally, edit, post to server)
+            //
+            //   update my_client -f new_client.json
+            //
+            // B) if a file is specified, and overrides are specified, then we override the file values with those from command line
+            //   (that allows us to have a local file as a template, it's also batch job friendly)
+            //
+            //   update my_client -s public=true -s enableDirectGrants=false -f new_client.json
+            //
+            // C) if no file is specified, then we can fetch the client definition from server, apply changes to it, and post it back
+            //   (again a batch job friendly mode)
+            //
+            //   update my_client -s public=true -s enableDirectGrants=false
+            //
+            //   This is merge mode by default - if --merge is additionally specified, it is ignored
+            //
+            // D) if a file is specified, then we can merge the file with current state on the server
+            //   (that is similar to previous mode except that the overrides are also taken from a file)
+            //
+            //   update my_client --merge -f new_client.json
+            //   update my_client --merge -s public=true -s enableDirectGrants=false -f new_client.json
+            //
+            // We could also support environment variables in input file, and apply them before parsing it.
+            //
+            // One problem - what if it is SAML XML? No problem as we don't support update for SAML - only create.
+            //
+            if (file == null && attrs.size() > 0) {
+                mergeMode = true;
+            }
+
+            CmdStdinContext ctx = new CmdStdinContext();
+            if (file != null) {
+                ctx = parseFileOrStdin(file, regType);
+                regType = ctx.getEndpointType();
+            }
+
+            if (regType == null) {
+                regType = DEFAULT;
+                ctx.setEndpointType(regType);
+            } else if (regType != DEFAULT && regType != OIDC) {
+                throw new RuntimeException("Update not supported for endpoint type: " + regType.getEndpoint());
+            }
+
+            // initialize config only after reading from stdin,
+            // to allow proper operation when piping 'get' - which consumes the old
+            // registration access token, and saves the new one to the config
+            ConfigData config = loadConfig();
+            config = copyWithServerInfo(config);
+
+            final String server = config.getServerUrl();
+            final String realm = config.getRealm();
+
+            if (token == null) {
+                // if registration access token is not set via --token, see if it's in the body of any input file
+                // but first see if it's overridden by --set, or maybe deliberately muted via -d registrationAccessToken
+                boolean processed = false;
+                for (AttributeOperation op: attrs) {
+                    if ("registrationAccessToken".equals(op.getKey().toString())) {
+                        processed = true;
+                        if (op.getType() == AttributeOperation.Type.SET) {
+                            token = op.getValue();
+                        }
+                        // otherwise it's delete - meaning it should stay null
+                        break;
+                    }
+                }
+                if (!processed) {
+                    token = ctx.getRegistrationAccessToken();
+                }
+            }
+
+            if (token == null) {
+                // if registration access token is not set, try use the one from configuration
+                token = getRegistrationToken(config.sessionRealmConfigData(), clientId);
+            }
+
+            setupTruststore(config, commandInvocation);
+
+            String auth = token;
+            if (auth == null) {
+                config = ensureAuthInfo(config, commandInvocation);
+                config = copyWithServerInfo(config);
+                if (credentialsAvailable(config)) {
+                    auth = ensureToken(config);
+                }
+            }
+
+            auth = auth != null ? "Bearer " + auth : null;
+
+
+            if (mergeMode) {
+                InputStream response = doGet(server + "/realms/" + realm + "/clients-registrations/" + regType.getEndpoint() + "/" + urlencode(clientId),
+                        APPLICATION_JSON, auth);
+
+                String json = readFully(response);
+
+                CmdStdinContext ctxremote = new CmdStdinContext();
+                ctxremote.setContent(json);
+                ctxremote.setEndpointType(regType);
+                try {
+
+                    if (regType == DEFAULT) {
+                        ctxremote.setClient(JsonSerialization.readValue(json, ClientRepresentation.class));
+                        token = ctxremote.getClient().getRegistrationAccessToken();
+                    } else if (regType == OIDC) {
+                        ctxremote.setOidcClient(JsonSerialization.readValue(json, OIDCClientRepresentation.class));
+                        token = ctxremote.getOidcClient().getRegistrationAccessToken();
+                    }
+                } catch (JsonParseException e) {
+                    throw new RuntimeException("Not a valid JSON document. " + e.getMessage(), e);
+                } catch (IOException e) {
+                    throw new RuntimeException("Not a valid JSON document", e);
+                }
+
+                // we have to use registration access token retrieved from previous operation
+                // that ensures optimistic locking semantics
+                if (token != null) {
+                    // we use auth with doPost later
+                    auth = "Bearer " + token;
+
+                    String newToken = token;
+                    String clientToUpdate = clientId;
+                    saveMergeConfig(cfg -> {
+                        setRegistrationToken(cfg.ensureRealmConfigData(server, realm), clientToUpdate, newToken);
+                    });
+                } else if (!allowUnsafe) {
+                    throw new RuntimeException("No Registration Access Token found for client: " + clientId + ". Provide one or use --unsafe.");
+                }
+
+                // merge local representation over remote one
+                if (ctx.getClient() != null) {
+                    ReflectionUtil.merge(ctx.getClient(), ctxremote.getClient());
+                } else if (ctx.getOidcClient() != null) {
+                    ReflectionUtil.merge(ctx.getOidcClient(), ctxremote.getOidcClient());
+                }
+                ctx = ctxremote;
+            }
+
+            if (attrs.size() > 0) {
+                ctx = mergeAttributes(ctx, attrs);
+            }
+
+            // now update
+            InputStream response = doPut(server + "/realms/" + realm + "/clients-registrations/" + regType.getEndpoint() + "/" + urlencode(clientId),
+                    APPLICATION_JSON, APPLICATION_JSON, ctx.getContent(), auth);
+            try {
+                if (regType == DEFAULT) {
+                    ClientRepresentation clirep = JsonSerialization.readValue(response, ClientRepresentation.class);
+                    outputResult(clirep);
+                    token = clirep.getRegistrationAccessToken();
+                } else if (regType == OIDC) {
+                    OIDCClientRepresentation clirep = JsonSerialization.readValue(response, OIDCClientRepresentation.class);
+                    outputResult(clirep);
+                    token = clirep.getRegistrationAccessToken();
+                }
+
+                String newToken = token;
+                String clientToUpdate = clientId;
+                saveMergeConfig(cfg -> {
+                    setRegistrationToken(cfg.ensureRealmConfigData(server, realm), clientToUpdate, newToken);
+                });
+
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to process HTTP response", e);
+            }
+
+            return CommandResult.SUCCESS;
+
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    private void outputResult(Object result) throws IOException {
+        if (outputClient) {
+            if (compressed) {
+                printOut(JsonSerialization.writeValueAsString(result));
+            } else {
+                printOut(JsonSerialization.writeValueAsPrettyString(result));
+            }
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " update CLIENT [ARGUMENTS]");
+        out.println();
+        out.println("Command to update an existing client configuration. If registration access token is specified it is used.");
+        out.println("Otherwise, if 'registrationAccessToken' attribute is set, that is used. Otherwise, if registration access");
+        out.println("token is available in configuration file, we use that. Finally, if it's not available anywhere, the current ");
+        out.println("active session is used.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                    Print full stack trace when exiting with error");
+        out.println("    -c, --config          Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println("    --truststore PATH     Path to a truststore containing trusted certificates");
+        out.println("    --trustpass PASSWORD  Truststore password (prompted for if not specified and --truststore is used)");
+        out.println("    --token TOKEN         Registration access token to use");
+        out.println("    CREDENTIALS OPTIONS   Same set of options as accepted by '" + CMD + " config credentials' in order to establish");
+        out.println("                          an authenticated sessions. This allows on-the-fly transient authentication that does");
+        out.println("                          not touch a config file.");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    CLIENT                ClientId of the client to update");
+        out.println("    -s, --set KEY=VALUE   Set specific attribute to a specified value");
+        out.println("              KEY+=VALUE  Add item to an array");
+        out.println("    -d, --delete NAME     Delete the specific attribute, or array item");
+        out.println("    -e, --endpoint TYPE   Endpoint type to use - one of: 'default', 'oidc'");
+        out.println("    -f, --file FILENAME   Use the file or standard input if '-' is specified");
+        out.println("    -m, --merge           Merge new values with existing configuration on the server");
+        out.println("                          Merge is automatically enabled unless --file is specified");
+        out.println("    -u, --unsafe          Allow updating without registration access token - no optimistic locking");
+        out.println("    -o, --output          After update output the new client configuration");
+        out.println("    -c, --compressed      Don't pretty print the output");
+        out.println();
+        out.println();
+        out.println("Nested attributes are supported by using '.' to separate components of a KEY. Optionaly, the KEY components ");
+        out.println("can be quoted with double quotes - e.g. my_client.attributes.\"external.user.id\". If VALUE starts with [ and ");
+        out.println("ends with ] the attribute will be set as a JSON array. If VALUE starts with { and ends with } the attribute ");
+        out.println("will be set as a JSON object. If KEY ends with an array index - e.g. clients[3]=VALUE - then the specified item");
+        out.println("of the array is updated. If KEY+=VALUE syntax is used, then KEY is assumed to be an array, and another item is");
+        out.println("added to it.");
+        out.println();
+        out.println("Attributes can also be deleted. If KEY ends with an array index, then the targeted item of an array is removed");
+        out.println("and the following items are shifted.");
+        out.println();
+        out.println("Merged mode fetches current configuration from the server, applies attribute changes to it, and sends it");
+        out.println("back to the server, overwriting existing configuration there. To ensure there are no unexpected changes");
+        out.println("Registration Access Token is used for authorization when doing changes. Alternatively, one can specify to use");
+        out.println("unsafe mode in which case login session's authorization is used - user requires manage-clients permission.");
+        out.println();
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Update a client by fetching current configuration from server, and applying specified changes.");
+        out.println("  " + PROMPT + " " + CMD + " update my_client -s enabled=true -s 'redirectUris=[\"http://localhost:8080/myapp/*\"]'");
+        out.println();
+        out.println("Update a client by overwriting existing configuration on the server with a new one:");
+        out.println("  " + PROMPT + " " + CMD + " update my_client -f new_my_client.json");
+        out.println();
+        out.println("Update a client by overwriting existing configuration using local file as a template:");
+        out.println("  " + PROMPT + " " + CMD + " update my_client -f new_my_client.json -s enabled=true");
+        out.println();
+        out.println("Update client by fetching current configuration from server and merging with specified changes:");
+        out.println("  " + PROMPT + " " + CMD + " update my_client -f new_my_client.json -s enabled=true --merge");
+        out.println();
+        out.println("Update a client using 'oidc' endpoint:");
+        out.println("  " + PROMPT + " " + CMD + " update my_client -e oidc -s 'redirect_uris=[\"http://localhost:8080/myapp/*\"]'");
+        out.println();
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/UpdateTokenCmd.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/UpdateTokenCmd.java
new file mode 100644
index 0000000..e52f5a2
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/commands/UpdateTokenCmd.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.commands;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import org.jboss.aesh.cl.Arguments;
+import org.jboss.aesh.cl.CommandDefinition;
+import org.jboss.aesh.console.command.CommandException;
+import org.jboss.aesh.console.command.CommandResult;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.util.ParseUtil;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.keycloak.client.registration.cli.util.AuthUtil.ensureToken;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.DEFAULT_CONFIG_FILE_STRING;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.loadConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.setRegistrationToken;
+import static org.keycloak.client.registration.cli.util.HttpUtil.APPLICATION_JSON;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doGet;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doPost;
+import static org.keycloak.client.registration.cli.util.IoUtil.printOut;
+import static org.keycloak.client.registration.cli.util.IoUtil.warnfOut;
+import static org.keycloak.client.registration.cli.util.OsUtil.CMD;
+import static org.keycloak.client.registration.cli.util.OsUtil.PROMPT;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+@CommandDefinition(name = "update-token", description = "CLIENT [ARGUMENTS]")
+public class UpdateTokenCmd extends AbstractAuthOptionsCmd {
+
+    @Arguments
+    private List<String> args = new ArrayList<>();
+
+    @Override
+    public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
+
+        try {
+            processGlobalOptions();
+
+            if (args.isEmpty()) {
+                throw new RuntimeException("CLIENT not specified");
+            }
+
+            String clientId = args.get(0);
+
+            if (clientId.startsWith("-")) {
+                warnfOut(ParseUtil.CLIENTID_OPTION_WARN, clientId);
+            }
+
+            ConfigData config = loadConfig();
+            config = copyWithServerInfo(config);
+            setupTruststore(config, commandInvocation);
+
+            config = ensureAuthInfo(config, commandInvocation);
+            String auth = ensureToken(config);
+
+            String cid = null;
+
+            final String server = config.getServerUrl();
+            final String realm = config.getRealm();
+
+            // first we need to get id of the client with client_id == clientId
+            InputStream response = doGet(server + "/admin/realms/" + realm + "/clients", APPLICATION_JSON, "Bearer " + auth);
+            try {
+                List<ClientRepresentation> clients = JsonSerialization.readValue(response, new TypeReference<List<ClientRepresentation>>() {});
+                for (ClientRepresentation client: clients) {
+                    if (clientId.equals(client.getClientId())) {
+                        cid = client.getId();
+                        break;
+                    }
+                }
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to process response from server", e);
+            }
+
+            if (cid == null) {
+                throw new RuntimeException("No client found for: " + clientId);
+            }
+
+            response = doPost(server + "/admin/realms/" + realm + "/clients/" + cid + "/registration-access-token",
+                    APPLICATION_JSON, APPLICATION_JSON, null, "Bearer " + auth);
+
+            try {
+                ClientRepresentation client = JsonSerialization.readValue(response, ClientRepresentation.class);
+
+                if (noconfig) {
+                    // output to stdout
+                    printOut(client.getRegistrationAccessToken());
+                } else {
+                    saveMergeConfig(cfg -> {
+                        setRegistrationToken(cfg.ensureRealmConfigData(server, realm), client.getClientId(), client.getRegistrationAccessToken());
+                    });
+                }
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to process response from server", e);
+            }
+
+            //System.out.println("Token updated for client " + clientId);
+            return CommandResult.SUCCESS;
+
+        } finally {
+            commandInvocation.stop();
+        }
+    }
+
+    public static String usage() {
+        StringWriter sb = new StringWriter();
+        PrintWriter out = new PrintWriter(sb);
+        out.println("Usage: " + CMD + " update-token CLIENT [ARGUMENTS]");
+        out.println();
+        out.println("Command to reissue, and set a new registration access token if an old one is lost or becomes invalid.");
+        out.println("It requires an authenticated session using an account with administrator priviliges.");
+        out.println();
+        out.println("Arguments:");
+        out.println();
+        out.println("  Global options:");
+        out.println("    -x                    Print full stack trace when exiting with error");
+        out.println("    -c, --config          Path to the config file (" + DEFAULT_CONFIG_FILE_STRING + " by default)");
+        out.println("    --truststore PATH     Path to a truststore containing trusted certificates");
+        out.println("    --trustpass PASSWORD  Truststore password (prompted for if not specified and --truststore is used)");
+        out.println("    CREDENTIALS OPTIONS   Same set of options as accepted by '" + CMD + " config credentials' in order to establish");
+        out.println("                          an authenticated sessions. This allows on-the-fly transient authentication that leaves");
+        out.println("                          no tokens in config file.");
+        out.println();
+        out.println("  Command specific options:");
+        out.println("    CLIENT                ClientId of the client to reissue a new Registration Access Token for");
+        out.println("                          The new token is saved to a config file or printed to stdout if on-the-fly\n");
+        out.println("                          authentication is used");
+        out.println();
+        out.println("Examples:");
+        out.println();
+        out.println("Request a new Registration Access Token from the server using current authenticated session:");
+        out.println("  " + PROMPT + " " + CMD + " update-token my_client");
+        out.println();
+        out.println("Use '" + CMD + " help' for general information and a list of commands");
+        return sb.toString();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/AttributeKey.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/AttributeKey.java
new file mode 100644
index 0000000..49e3ab4
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/AttributeKey.java
@@ -0,0 +1,154 @@
+package org.keycloak.client.registration.cli.common;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class AttributeKey {
+
+    private static final int START = 0;
+    private static final int QUOTED = 1;
+    private static final int UNQUOTED = 2;
+    private static final int END = 3;
+
+    private List<Component> components;
+    private boolean append;
+
+    public AttributeKey() {
+        components = Collections.emptyList();
+    }
+
+    public AttributeKey(String key) {
+        if (key.endsWith("+")) {
+            append = true;
+            key = key.substring(0, key.length() - 1);
+        }
+        components = parse(key);
+    }
+
+    static List<Component> parse(String key) {
+
+        if (key == null || "".equals(key)) {
+            return Collections.emptyList();
+        }
+
+        List<Component> cs = new LinkedList<>();
+        StringBuilder sb = new StringBuilder();
+        int state = START;
+
+        char[] buf = key.toCharArray();
+
+        for (int pos = 0; pos < buf.length; pos++) {
+            char c = buf[pos];
+
+            if (state == START) {
+                if ('\"' == c) {
+                    state = QUOTED;
+                } else if ('.' == c) {
+                    throw new RuntimeException("Invalid attribute key: " + key + " (at position " + (pos + 1) + ")");
+                } else {
+                    state = UNQUOTED;
+                    sb.append(c);
+                }
+            } else if (state == QUOTED) {
+                if ('\"' == c) {
+                    state = END;
+                } else {
+                    sb.append(c);
+                }
+            } else if (state == UNQUOTED || state == END) {
+                if ('.' == c) {
+                    state = START;
+                    cs.add(new Component(sb.toString()));
+                    sb.setLength(0);
+                } else if (state == END || '\"' == c) {
+                    throw new RuntimeException("Invalid attribute key: " + key + " (at position " + (pos + 1) + ")");
+                } else {
+                    sb.append(c);
+                }
+            }
+        }
+
+        boolean ok = false;
+        if (sb.length() > 0) {
+            if (state == UNQUOTED || state == END) {
+                cs.add(new Component(sb.toString()));
+                ok = true;
+            }
+        } else if (state == END) {
+            ok = true;
+        }
+
+        if (!ok) {
+            throw new RuntimeException("Invalid attribute key: " + key + " (at position " + (buf.length) + ")");
+        }
+
+        return Collections.unmodifiableList(cs);
+    }
+
+    public List<Component> getComponents() {
+        return components;
+    }
+
+    public boolean isAppend() {
+        return append;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        for (Component c: components) {
+            if (sb.length() > 0) {
+                sb.append(".");
+            }
+            sb.append(c.toString());
+        }
+        return sb.toString();
+    }
+
+
+
+    public static class Component {
+
+        private int index = -1;
+        private String name;
+
+        Component(String name) {
+            if (name.endsWith("]")) {
+                int pos = name.lastIndexOf("[", name.length() - 1);
+                if (pos == -1) {
+                    throw new RuntimeException("Invalid attribute key: " + name + " (']' not allowed here)");
+                }
+                String idx = name.substring(pos + 1, name.length() - 1);
+                try {
+                    index = Integer.parseInt(idx);
+                } catch (Exception e) {
+                    throw new RuntimeException("Invalid attribute key: " + name + " (Invalid array index: '[" + idx + "]')");
+                }
+                this.name = name.substring(0, pos);
+            } else {
+                this.name = name;
+            }
+        }
+
+        public boolean isArray() {
+            return index >= 0;
+        }
+
+        public int getIndex() {
+            return index;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        @Override
+        public String toString() {
+            return name + (index != -1 ? "[" + index + "]" : "");
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/AttributeOperation.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/AttributeOperation.java
new file mode 100644
index 0000000..cfc3a87
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/AttributeOperation.java
@@ -0,0 +1,42 @@
+package org.keycloak.client.registration.cli.common;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class AttributeOperation {
+
+    private Type type;
+    private AttributeKey key;
+    private String value;
+
+    public AttributeOperation(Type type, String key) {
+        this(type, key, null);
+    }
+
+    public AttributeOperation(Type type, String key, String value) {
+        if (type == Type.DELETE && value != null) {
+            throw new IllegalArgumentException("When type is DELETE, value has to be null");
+        }
+        this.type = type;
+        this.key = new AttributeKey(key);
+        this.value = value;
+    }
+
+    public Type getType() {
+        return type;
+    }
+
+    public AttributeKey getKey() {
+        return key;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+
+    public enum Type {
+        SET,
+        DELETE
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/CmdStdinContext.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/CmdStdinContext.java
new file mode 100644
index 0000000..b3b31a9
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/CmdStdinContext.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.common;
+
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.oidc.OIDCClientRepresentation;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class CmdStdinContext {
+
+    private EndpointType regType;
+    private ClientRepresentation client;
+    private OIDCClientRepresentation oidcClient;
+    private String content;
+
+    public CmdStdinContext() {}
+
+    public EndpointType getEndpointType() {
+        return regType;
+    }
+
+    public void setEndpointType(EndpointType regType) {
+        this.regType = regType;
+    }
+
+    public ClientRepresentation getClient() {
+        return client;
+    }
+
+    public void setClient(ClientRepresentation client) {
+        this.client = client;
+    }
+
+    public OIDCClientRepresentation getOidcClient() {
+        return oidcClient;
+    }
+
+    public void setOidcClient(OIDCClientRepresentation oidcClient) {
+        this.oidcClient = oidcClient;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String getRegistrationAccessToken() {
+        if (client != null) {
+            return client.getRegistrationAccessToken();
+        } else if (oidcClient != null) {
+            return oidcClient.getRegistrationAccessToken();
+        }
+        return null;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/EndpointType.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/EndpointType.java
new file mode 100644
index 0000000..5114ada
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/EndpointType.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.common;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public enum EndpointType {
+    DEFAULT("default", "default"),
+    OIDC("openid-connect", "oidc", "oidc"),
+    INSTALL("install", "install", "adapter"),
+    SAML2("saml2-entity-descriptor", "saml2", "saml2");
+
+    private String endpoint;
+    private String preferredName;
+    private Set<String> alternativeNames;
+
+    private EndpointType(String endpoint, String preferredName, String ... alternativeNames) {
+        this.endpoint = endpoint;
+        this.preferredName = preferredName;
+        this.alternativeNames = new HashSet(Arrays.asList(alternativeNames));
+    }
+
+    public static EndpointType of(String name) {
+        if (DEFAULT.endpoint.equals(name) || DEFAULT.alternativeNames.contains(name)) {
+            return DEFAULT;
+        } else if (OIDC.endpoint.equals(name) || OIDC.alternativeNames.contains(name)) {
+            return OIDC;
+        } else if (INSTALL.endpoint.equals(name) || INSTALL.alternativeNames.contains(name)) {
+            return INSTALL;
+        } else if (SAML2.endpoint.equals(name) || SAML2.alternativeNames.contains(name)) {
+            return SAML2;
+        }
+        throw new IllegalArgumentException("Endpoint not supported: " + name);
+    }
+
+    public String getEndpoint() {
+        return endpoint;
+    }
+
+    public String getName() {
+        return preferredName;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/ParsingContext.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/ParsingContext.java
new file mode 100644
index 0000000..f5fbb78
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/common/ParsingContext.java
@@ -0,0 +1,113 @@
+package org.keycloak.client.registration.cli.common;
+
+
+/**
+ * An iterator wrapping command line
+ *
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class ParsingContext {
+
+    private int offset;
+    private int pos = -1;
+    private String [] args;
+
+    public ParsingContext(String [] args) {
+        this(args, 0, -1);
+    }
+
+    public ParsingContext(String [] args, int offset) {
+        this(args, offset, -1);
+    }
+
+    public ParsingContext(String [] args, int offset, int pos) {
+        this.args = args.clone();
+        this.offset = offset;
+        this.pos = pos;
+    }
+
+    public boolean hasNext() {
+        return pos < args.length-1;
+    }
+
+
+    public boolean hasNext(int count) {
+        return pos < args.length - count;
+    }
+
+    public boolean hasPrevious() {
+        return pos > 0;
+    }
+
+    /**
+     * Get next argument
+     *
+     * @return Next argument or null if beyond the end of arguments
+     */
+    public String next() {
+        if (hasNext()) {
+            return args[++pos];
+        } else {
+            pos = args.length;
+            return null;
+        }
+    }
+
+    /**
+     * Check that a next argument is available
+     *
+     * @return Next argument or RuntimeException if next argument is not available
+     */
+    public String nextRequired() {
+        if (!hasNext()) {
+            throw new RuntimeException("Option " + current() + " requires a value");
+        }
+        return next();
+    }
+
+    /**
+     * Get next n-th argument
+     *
+     * @return Next n-th argument or null if beyond the end of arguments
+     */
+    public String next(int n) {
+        if (hasNext(n)) {
+            pos += n;
+            return args[pos];
+        } else {
+            pos = args.length;
+            return null;
+        }
+    }
+
+    /**
+     * Get previous argument
+     *
+     * @return Previous argument or null if previous call was at the beginning of the arguments (pos == 0)
+     */
+    public String previous() {
+        if (hasPrevious()) {
+            return args[--pos];
+        } else {
+            pos = -1;
+            return null;
+        }
+    }
+
+    /**
+     * Get current argument
+     *
+     * @return Current argument or null if current parsing position is beyond end, or before start
+     */
+    public String current() {
+        if (pos < 0 || pos >= args.length) {
+            return null;
+        } else {
+            return args[pos];
+        }
+    }
+
+    public String [] getArgs() {
+        return args;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigData.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigData.java
new file mode 100644
index 0000000..0ae56e0
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigData.java
@@ -0,0 +1,177 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.config;
+
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class ConfigData {
+
+    private String serverUrl;
+
+    private String realm;
+
+    private String truststore;
+
+    private String trustpass;
+
+    private Map<String, Map<String, RealmConfigData>> endpoints = new HashMap<>();
+
+
+    public String getServerUrl() {
+        return serverUrl;
+    }
+
+    public void setServerUrl(String serverUrl) {
+        this.serverUrl = serverUrl;
+    }
+
+    public String getRealm() {
+        return realm;
+    }
+
+    public void setRealm(String realm) {
+        this.realm = realm;
+    }
+
+    public String getTruststore() {
+        return truststore;
+    }
+
+    public void setTruststore(String truststore) {
+        this.truststore = truststore;
+    }
+
+    public String getTrustpass() {
+        return trustpass;
+    }
+
+    public void setTrustpass(String trustpass) {
+        this.trustpass = trustpass;
+    }
+
+    public Map<String, Map<String, RealmConfigData>> getEndpoints() {
+        return endpoints;
+    }
+
+    public void setEndpoints(Map<String, Map<String, RealmConfigData>> endpoints) {
+        for (Map.Entry<String, Map<String, RealmConfigData>> entry: endpoints.entrySet()) {
+            String endpoint = entry.getKey();
+            for (Map.Entry<String, RealmConfigData> sub: entry.getValue().entrySet()) {
+                RealmConfigData rdata = sub.getValue();
+                rdata.serverUrl(endpoint);
+                rdata.realm(sub.getKey());
+            }
+        }
+        this.endpoints = endpoints;
+    }
+
+    public RealmConfigData sessionRealmConfigData() {
+        if (serverUrl == null)
+            throw new RuntimeException("Illegal state - no current endpoint in config data");
+        if (realm == null)
+            throw new RuntimeException("Illegal state - no current realm in config data");
+        return ensureRealmConfigData(serverUrl, realm);
+    }
+
+    public RealmConfigData getRealmConfigData(String endpoint, String realm) {
+        Map<String, RealmConfigData> realmData = endpoints.get(endpoint);
+        if (realmData == null) {
+            return null;
+        }
+        return realmData.get(realm);
+    }
+
+    public RealmConfigData ensureRealmConfigData(String endpoint, String realm) {
+        RealmConfigData result = getRealmConfigData(endpoint, realm);
+        if (result == null) {
+            result = new RealmConfigData();
+            result.serverUrl(endpoint);
+            result.realm(realm);
+            setRealmConfigData(result);
+        }
+        return result;
+    }
+
+
+    public void setRealmConfigData(RealmConfigData data) {
+        Map<String, RealmConfigData> realm = endpoints.get(data.serverUrl());
+        if (realm == null) {
+            realm = new HashMap<>();
+            endpoints.put(data.serverUrl(), realm);
+        }
+        realm.put(data.realm(), data);
+    }
+
+    public void merge(ConfigData source) {
+        serverUrl = source.serverUrl;
+        realm = source.realm;
+        truststore = source.truststore;
+        trustpass = source.trustpass;
+
+        RealmConfigData current = getRealmConfigData(serverUrl, realm);
+        RealmConfigData sourceRealm = source.getRealmConfigData(serverUrl, realm);
+
+        if (current == null) {
+            setRealmConfigData(sourceRealm);
+        } else {
+            current.merge(sourceRealm);
+        }
+    }
+
+    public ConfigData deepcopy() {
+        ConfigData data = new ConfigData();
+        data.serverUrl = serverUrl;
+        data.realm = realm;
+        data.truststore = truststore;
+        data.trustpass = trustpass;
+        data.endpoints = new HashMap<>();
+
+        for (Map.Entry<String, Map<String, RealmConfigData>> item: endpoints.entrySet()) {
+
+            Map<String, RealmConfigData> nuitems = new HashMap<>();
+            Map<String, RealmConfigData> curitems = item.getValue();
+
+            if (curitems != null) {
+                for (Map.Entry<String, RealmConfigData> ditem : curitems.entrySet()) {
+                    RealmConfigData nudata = ditem.getValue();
+                    if (nudata != null) {
+                        nuitems.put(ditem.getKey(), nudata.deepcopy());
+                    }
+                }
+                data.endpoints.put(item.getKey(), nuitems);
+            }
+        }
+        return data;
+    }
+
+    @Override
+    public String toString() {
+        try {
+            return JsonSerialization.writeValueAsPrettyString(this);
+        } catch (IOException e) {
+            return super.toString() + " - Error: " + e.toString();
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigHandler.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigHandler.java
new file mode 100644
index 0000000..2b33c04
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigHandler.java
@@ -0,0 +1,12 @@
+package org.keycloak.client.registration.cli.config;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public interface ConfigHandler {
+
+    void saveMergeConfig(ConfigUpdateOperation op);
+
+    ConfigData loadConfig();
+
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigUpdateOperation.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigUpdateOperation.java
new file mode 100644
index 0000000..98b0c85
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/ConfigUpdateOperation.java
@@ -0,0 +1,10 @@
+package org.keycloak.client.registration.cli.config;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public interface  ConfigUpdateOperation {
+
+    void update(ConfigData data);
+
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/FileConfigHandler.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/FileConfigHandler.java
new file mode 100644
index 0000000..46e7a00
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/FileConfigHandler.java
@@ -0,0 +1,119 @@
+package org.keycloak.client.registration.cli.config;
+
+import org.keycloak.client.registration.cli.util.IoUtil;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+import java.nio.channels.OverlappingFileLockException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import static org.keycloak.client.registration.cli.util.IoUtil.printErr;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class FileConfigHandler implements ConfigHandler {
+
+    private static final long MAX_SIZE = 10 * 1024 * 1024;
+    private static String configFile;
+
+    public static void setConfigFile(String filename) {
+        configFile = filename;
+    }
+
+    public static String getConfigFile() {
+        return configFile;
+    }
+
+    public ConfigData loadConfig() {
+        // for now just dumb impl ignoring file locks for read
+        File file = new File(configFile);
+        if (!file.isFile() || file.length() == 0) {
+            return new ConfigData();
+        }
+
+        try {
+            try (FileInputStream is = new FileInputStream(configFile)) {
+                return JsonSerialization.readValue(is, ConfigData.class);
+            }
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to load " + configFile, e);
+        }
+    }
+
+    public static void ensureFile() {
+        Path path = null;
+        try {
+            path = Paths.get(new File(configFile).getAbsolutePath());
+            IoUtil.ensureFile(path);
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to create config file: " + path, e);
+        }
+    }
+
+    public void saveMergeConfig(ConfigUpdateOperation op) {
+        try {
+            ensureFile();
+
+            try (RandomAccessFile file = new RandomAccessFile(new File(configFile), "rw")) {
+                FileChannel fileChannel = file.getChannel();
+
+                FileLock fileLock = null;
+
+                // lock file for write
+                int tryCount = 0;
+                do try {
+                    fileLock = fileChannel.tryLock();
+                    break;
+                } catch (OverlappingFileLockException e) {
+                    // sleep a little, and try again
+                    try {
+                        Thread.sleep(100);
+                        continue;
+                    } catch (InterruptedException e1) {
+                        throw new RuntimeException("Interrupted");
+                    }
+                } while (tryCount++ < 10);
+
+                if (fileLock != null) {
+                    try {
+                        // load config from file
+                        ConfigData config = new ConfigData();
+                        long size = file.length();
+                        if (size > MAX_SIZE) {
+                            printErr("Config file " + configFile + " is too big. It will be overwritten.");
+                            file.setLength(0);
+                        } else if (size > 0){
+                            byte[] buf = new byte[(int) size];
+                            file.readFully(buf);
+                            config = JsonSerialization.readValue(new ByteArrayInputStream(buf), ConfigData.class);
+                        }
+
+                        // update loaded config
+                        op.update(config);
+
+                        // save config to file
+                        byte [] content = JsonSerialization.writeValueAsPrettyString(config).getBytes("utf-8");
+                        file.seek(0);
+                        file.write(content);
+                        file.setLength(content.length);
+
+                    } finally {
+                        fileLock.release();
+                    }
+                } else {
+                    throw new RuntimeException("Failed to get lock on " + configFile);
+                }
+            }
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to save " + configFile, e);
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/InMemoryConfigHandler.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/InMemoryConfigHandler.java
new file mode 100644
index 0000000..1d572b2
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/InMemoryConfigHandler.java
@@ -0,0 +1,24 @@
+package org.keycloak.client.registration.cli.config;
+
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class InMemoryConfigHandler implements ConfigHandler {
+
+    private ConfigData cached;
+
+    @Override
+    public void saveMergeConfig(ConfigUpdateOperation config) {
+        config.update(cached);
+    }
+
+    @Override
+    public ConfigData loadConfig() {
+        return cached;
+    }
+
+    public void setConfigData(ConfigData data) {
+        this.cached = data;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/RealmConfigData.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/RealmConfigData.java
new file mode 100644
index 0000000..58b34fa
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/config/RealmConfigData.java
@@ -0,0 +1,220 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.config;
+
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class RealmConfigData {
+
+    private String serverUrl;
+
+    private String realm;
+
+    private String clientId;
+
+    private String token;
+
+    private String refreshToken;
+
+    private String signingToken;
+
+    private String secret;
+
+    private Long expiresAt;
+
+    private Long refreshExpiresAt;
+
+    private Long sigExpiresAt;
+
+    private String initialToken;
+
+    private Map<String, String> clients = new LinkedHashMap<String, String>();
+
+
+    public String serverUrl() {
+        return serverUrl;
+    }
+
+    public void serverUrl(String serverUrl) {
+        this.serverUrl = serverUrl;
+    }
+
+    public String realm() {
+        return realm;
+    }
+
+    public void realm(String realm) {
+        this.realm = realm;
+    }
+
+    public String getClientId() {
+        return clientId;
+    }
+
+    public void setClientId(String clientId) {
+        this.clientId = clientId;
+    }
+
+    public String getToken() {
+        return token;
+    }
+
+    public void setToken(String token) {
+        this.token = token;
+    }
+
+    public String getRefreshToken() {
+        return refreshToken;
+    }
+
+    public void setRefreshToken(String refreshToken) {
+        this.refreshToken = refreshToken;
+    }
+
+    public String getSigningToken() {
+        return signingToken;
+    }
+
+    public void setSigningToken(String signingToken) {
+        this.signingToken = signingToken;
+    }
+
+    public String getSecret() {
+        return secret;
+    }
+
+    public void setSecret(String secret) {
+        this.secret = secret;
+    }
+
+    public Long getExpiresAt() {
+        return expiresAt;
+    }
+
+    public void setExpiresAt(Long expiresAt) {
+        this.expiresAt = expiresAt;
+    }
+
+    public Long getRefreshExpiresAt() {
+        return refreshExpiresAt;
+    }
+
+    public void setRefreshExpiresAt(Long refreshExpiresAt) {
+        this.refreshExpiresAt = refreshExpiresAt;
+    }
+
+    public Long getSigExpiresAt() {
+        return sigExpiresAt;
+    }
+
+    public void setSigExpiresAt(Long sigExpiresAt) {
+        this.sigExpiresAt = sigExpiresAt;
+    }
+
+    public String getInitialToken() {
+        return initialToken;
+    }
+
+    public void setInitialToken(String initialToken) {
+        this.initialToken = initialToken;
+    }
+
+    public Map<String, String> getClients() {
+        return clients;
+    }
+
+    public void merge(RealmConfigData source) {
+        serverUrl = source.serverUrl;
+        realm = source.realm;
+        clientId = source.clientId;
+        token = source.token;
+        refreshToken = source.refreshToken;
+        signingToken = source.signingToken;
+        secret = source.secret;
+        expiresAt = source.expiresAt;
+        refreshExpiresAt = source.refreshExpiresAt;
+        sigExpiresAt = source.sigExpiresAt;
+        initialToken = source.initialToken;
+
+        mergeClients(source);
+    }
+
+    private void mergeClients(RealmConfigData source) {
+        if (source.clients != null) {
+            if (clients == null) {
+                clients = source.clients;
+            } else {
+                for (String key: source.clients.keySet()) {
+                    String val = source.clients.get(key);
+                    if (!"".equals(val)) {
+                        clients.put(key, val);
+                    } else {
+                        clients.remove(key);
+                    }
+                }
+            }
+        }
+    }
+
+    public void mergeRefreshTokens(RealmConfigData source) {
+        token = source.token;
+        refreshToken = source.refreshToken;
+        expiresAt = source.expiresAt;
+        refreshExpiresAt = source.refreshExpiresAt;
+
+        mergeClients(source);
+    }
+
+    public void mergeRegistrationTokens(RealmConfigData source) {
+        initialToken = source.initialToken;
+        mergeClients(source);
+    }
+
+    @Override
+    public String toString() {
+        try {
+            return JsonSerialization.writeValueAsPrettyString(this);
+        } catch (IOException e) {
+            return super.toString() + " - Error: " + e.toString();
+        }
+    }
+
+    public RealmConfigData deepcopy() {
+        RealmConfigData data = new RealmConfigData();
+        data.serverUrl = serverUrl;
+        data.realm = realm;
+        data.clientId = clientId;
+        data.token = token;
+        data.refreshToken = refreshToken;
+        data.signingToken = signingToken;
+        data.secret = secret;
+        data.expiresAt = expiresAt;
+        data.refreshExpiresAt = refreshExpiresAt;
+        data.sigExpiresAt = sigExpiresAt;
+        data.initialToken = initialToken;
+        data.clients = new LinkedHashMap<>(clients);
+        return data;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/KcRegMain.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/KcRegMain.java
new file mode 100644
index 0000000..57fe0f6
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/KcRegMain.java
@@ -0,0 +1,75 @@
+package org.keycloak.client.registration.cli;
+
+import org.jboss.aesh.console.AeshConsoleBuilder;
+import org.jboss.aesh.console.AeshConsoleImpl;
+import org.jboss.aesh.console.Prompt;
+import org.jboss.aesh.console.command.registry.AeshCommandRegistryBuilder;
+import org.jboss.aesh.console.command.registry.CommandRegistry;
+import org.jboss.aesh.console.settings.Settings;
+import org.jboss.aesh.console.settings.SettingsBuilder;
+import org.keycloak.client.registration.cli.aesh.AeshEnhancer;
+import org.keycloak.client.registration.cli.aesh.ValveInputStream;
+import org.keycloak.client.registration.cli.aesh.Globals;
+import org.keycloak.client.registration.cli.commands.KcRegCmd;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegMain {
+
+    public static void main(String [] args) {
+
+        Globals.stdin = new ValveInputStream();
+
+        Settings settings = new SettingsBuilder()
+                .logging(false)
+                .readInputrc(false)
+                .disableCompletion(true)
+                .disableHistory(true)
+                .enableAlias(false)
+                .enableExport(false)
+                .inputStream(Globals.stdin)
+                .create();
+
+        CommandRegistry registry = new AeshCommandRegistryBuilder()
+                .command(KcRegCmd.class)
+                .create();
+
+        AeshConsoleImpl console = (AeshConsoleImpl) new AeshConsoleBuilder()
+                .settings(settings)
+                .commandRegistry(registry)
+                .prompt(new Prompt(""))
+                .create();
+
+        AeshEnhancer.enhance(console);
+
+        // work around parser issues with quotes and brackets
+        ArrayList<String> arguments = new ArrayList<>();
+        arguments.add("kcreg");
+        arguments.addAll(Arrays.asList(args));
+        Globals.args = arguments;
+
+        StringBuilder b = new StringBuilder();
+        for (String s : args) {
+            // quote if necessary
+            boolean needQuote = false;
+            needQuote = s.indexOf(' ') != -1 || s.indexOf('\"') != -1 || s.indexOf('\'') != -1;
+            b.append(' ');
+            if (needQuote) {
+                b.append('\'');
+            }
+            b.append(s);
+            if (needQuote) {
+                b.append('\'');
+            }
+        }
+        console.setEcho(false);
+
+        console.execute("kcreg" + b.toString());
+
+        console.start();
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/AttributeException.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/AttributeException.java
new file mode 100644
index 0000000..30f3caa
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/AttributeException.java
@@ -0,0 +1,23 @@
+package org.keycloak.client.registration.cli.util;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class AttributeException extends RuntimeException {
+
+    private final String attrName;
+
+    public AttributeException(String attrName, String message) {
+        super(message);
+        this.attrName = attrName;
+    }
+
+    public AttributeException(String attrName, String message, Throwable th) {
+        super(message, th);
+        this.attrName = attrName;
+    }
+
+    public String getAttributeName() {
+        return attrName;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/AuthUtil.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/AuthUtil.java
new file mode 100644
index 0000000..8752e60
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/AuthUtil.java
@@ -0,0 +1,206 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.util;
+
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.common.util.KeystoreUtil;
+import org.keycloak.common.util.Time;
+import org.keycloak.jose.jws.JWSBuilder;
+import org.keycloak.representations.AccessTokenResponse;
+import org.keycloak.representations.JsonWebToken;
+import org.keycloak.util.BasicAuthHelper;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.security.KeyPair;
+import java.security.PrivateKey;
+import java.util.UUID;
+
+import static java.lang.System.currentTimeMillis;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.checkAuthInfo;
+import static org.keycloak.client.registration.cli.util.ConfigUtil.saveMergeConfig;
+import static org.keycloak.client.registration.cli.util.HttpUtil.APPLICATION_FORM_URL_ENCODED;
+import static org.keycloak.client.registration.cli.util.HttpUtil.APPLICATION_JSON;
+import static org.keycloak.client.registration.cli.util.HttpUtil.doPost;
+import static org.keycloak.client.registration.cli.util.HttpUtil.urlencode;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class AuthUtil {
+
+    public static String ensureToken(ConfigData config) {
+
+        checkAuthInfo(config);
+
+        RealmConfigData realmConfig = config.sessionRealmConfigData();
+
+        long now = currentTimeMillis();
+
+        // check expires of access_token against time
+        // if it's less than 5s to expiry, renew it
+        if (realmConfig.getExpiresAt() - now < 5000) {
+
+            // check refresh_token against expiry time
+            // if it's less than 5s to expiry, fail with credentials expired
+            if (realmConfig.getRefreshExpiresAt() - now < 5000) {
+                throw new RuntimeException("Session has expired. Login again with '" + OsUtil.CMD + " config credentials'");
+            }
+
+            if (realmConfig.getSigExpiresAt() != null && realmConfig.getSigExpiresAt() - now < 5000) {
+                throw new RuntimeException("Session has expired. Login again with '" + OsUtil.CMD + " config credentials'");
+            }
+
+            try {
+                String authorization = null;
+
+                StringBuilder body = new StringBuilder("grant_type=refresh_token")
+                        .append("&refresh_token=").append(realmConfig.getRefreshToken())
+                        .append("&client_id=").append(urlencode(realmConfig.getClientId()));
+
+                if (realmConfig.getSigningToken() != null) {
+                    body.append("&client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer")
+                            .append("&client_assertion=").append(realmConfig.getSigningToken());
+                } else if (realmConfig.getSecret() != null) {
+                    authorization = BasicAuthHelper.createHeader(realmConfig.getClientId(), realmConfig.getSecret());
+                }
+
+                InputStream result = doPost(realmConfig.serverUrl() + "/realms/" + realmConfig.realm() + "/protocol/openid-connect/token",
+                        APPLICATION_FORM_URL_ENCODED, APPLICATION_JSON, body.toString(), authorization);
+
+                AccessTokenResponse token = JsonSerialization.readValue(result, AccessTokenResponse.class);
+
+                saveMergeConfig(cfg -> {
+                    RealmConfigData realmData = cfg.sessionRealmConfigData();
+                    realmData.setToken(token.getToken());
+                    realmData.setRefreshToken(token.getRefreshToken());
+                    realmData.setExpiresAt(currentTimeMillis() + token.getExpiresIn() * 1000);
+                    realmData.setRefreshExpiresAt(currentTimeMillis() + token.getRefreshExpiresIn() * 1000);
+                });
+                return token.getToken();
+
+            } catch (UnsupportedEncodingException e) {
+                throw new RuntimeException("Unexpected error", e);
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to read Refresh Token response", e);
+            }
+        }
+
+        return realmConfig.getToken();
+    }
+
+    public static AccessTokenResponse getAuthTokens(String server, String realm, String user, String password, String clientId) {
+        StringBuilder body = new StringBuilder();
+        try {
+            body.append("grant_type=password")
+                    .append("&username=").append(urlencode(user))
+                    .append("&password=").append(urlencode(password))
+                    .append("&client_id=").append(urlencode(clientId));
+
+            InputStream result = doPost(server + "/realms/" + realm + "/protocol/openid-connect/token",
+                    APPLICATION_FORM_URL_ENCODED, APPLICATION_JSON, body.toString(), null);
+            return JsonSerialization.readValue(result, AccessTokenResponse.class);
+
+        } catch (UnsupportedEncodingException e) {
+            throw new RuntimeException("Unexpected error: ", e);
+        } catch (IOException e) {
+            throw new RuntimeException("Error receiving response: ", e);
+        }
+    }
+
+    public static AccessTokenResponse getAuthTokensByJWT(String server, String realm, String user, String password, String clientId, String signedRequestToken) {
+        StringBuilder body = new StringBuilder();
+        try {
+            body.append("client_id=").append(urlencode(clientId))
+                    .append("&client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer")
+                    .append("&client_assertion=").append(signedRequestToken);
+
+            if (user != null) {
+                if (password == null) {
+                    throw new RuntimeException("No password specified");
+                }
+                body.append("&grant_type=password")
+                        .append("&username=").append(urlencode(user))
+                        .append("&password=").append(urlencode(password));
+            } else {
+                body.append("&grant_type=client_credentials");
+            }
+
+            InputStream result = doPost(server + "/realms/" + realm + "/protocol/openid-connect/token",
+                    APPLICATION_FORM_URL_ENCODED, APPLICATION_JSON, body.toString(), null);
+            return JsonSerialization.readValue(result, AccessTokenResponse.class);
+
+        } catch (UnsupportedEncodingException e) {
+            throw new RuntimeException("Unexpected error: ", e);
+        } catch (IOException e) {
+            throw new RuntimeException("Error receiving response: ", e);
+        }
+    }
+
+    public static AccessTokenResponse getAuthTokensBySecret(String server, String realm, String user, String password, String clientId, String secret) {
+
+        StringBuilder body = new StringBuilder();
+        try {
+            if (user != null) {
+                if (password == null) {
+                    throw new RuntimeException("No password specified");
+                }
+
+                body.append("client_id=").append(urlencode(clientId))
+                        .append("&grant_type=password")
+                        .append("&username=").append(urlencode(user))
+                        .append("&password=").append(urlencode(password));
+            } else {
+                body.append("grant_type=client_credentials");
+            }
+
+            InputStream result = doPost(server + "/realms/" + realm + "/protocol/openid-connect/token",
+                    APPLICATION_FORM_URL_ENCODED, APPLICATION_JSON, body.toString(), BasicAuthHelper.createHeader(clientId, secret));
+            return JsonSerialization.readValue(result, AccessTokenResponse.class);
+
+        } catch (UnsupportedEncodingException e) {
+            throw new RuntimeException("Unexpected error: ", e);
+        } catch (IOException e) {
+            throw new RuntimeException("Error receiving response: ", e);
+        }
+    }
+
+    public static String getSignedRequestToken(String keystore, String storePass, String keyPass, String alias, int sigLifetime, String clientId, String realmInfoUrl) {
+
+        KeyPair keypair = KeystoreUtil.loadKeyPairFromKeystore(keystore, storePass, keyPass, alias, KeystoreUtil.KeystoreFormat.JKS);
+
+        JsonWebToken reqToken = new JsonWebToken();
+        reqToken.id(UUID.randomUUID().toString());
+        reqToken.issuer(clientId);
+        reqToken.subject(clientId);
+        reqToken.audience(realmInfoUrl);
+
+        int now = Time.currentTime();
+        reqToken.issuedAt(now);
+        reqToken.expiration(now + sigLifetime);
+        reqToken.notBefore(now);
+
+        String signedRequestToken = new JWSBuilder()
+                .jsonContent(reqToken)
+                .rsa256(keypair.getPrivate());
+        return signedRequestToken;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ConfigUtil.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ConfigUtil.java
new file mode 100644
index 0000000..96996a2
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ConfigUtil.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.util;
+
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.ConfigHandler;
+import org.keycloak.client.registration.cli.config.ConfigUpdateOperation;
+import org.keycloak.client.registration.cli.config.InMemoryConfigHandler;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.representations.AccessTokenResponse;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class ConfigUtil {
+
+    public static final String DEFAULT_CONFIG_FILE_STRING = OsUtil.OS_ARCH.isWindows() ? "%HOMEDRIVE%%HOMEPATH%\\.keycloak\\kcreg.config" : "~/.keycloak/kcreg.config";
+
+    public static final String DEFAULT_CONFIG_FILE_PATH = System.getProperty("user.home") + "/.keycloak/kcreg.config";
+
+    private static ConfigHandler handler;
+
+    public static ConfigHandler getHandler() {
+        return handler;
+    }
+
+    public static void setHandler(ConfigHandler handler) {
+        ConfigUtil.handler = handler;
+    }
+
+    public static String getRegistrationToken(RealmConfigData data, String clientId) {
+        String token = data.getClients().get(clientId);
+        return token == null || token.length() == 0 ? null : token;
+    }
+
+    public static void setRegistrationToken(RealmConfigData data, String clientId, String token) {
+        data.getClients().put(clientId, token == null ? "" : token);
+    }
+
+    public static void saveTokens(AccessTokenResponse tokens, String endpoint, String realm, String clientId, String signKey, Long sigExpiresAt, String secret) {
+        handler.saveMergeConfig(config -> {
+            config.setServerUrl(endpoint);
+            config.setRealm(realm);
+
+            RealmConfigData realmConfig = config.ensureRealmConfigData(endpoint, realm);
+            realmConfig.setToken(tokens.getToken());
+            realmConfig.setRefreshToken(tokens.getRefreshToken());
+            realmConfig.setSigningToken(signKey);
+            realmConfig.setSecret(secret);
+            realmConfig.setExpiresAt(System.currentTimeMillis() + tokens.getExpiresIn() * 1000);
+            realmConfig.setRefreshExpiresAt(tokens.getRefreshExpiresIn() == 0 ?
+                    Long.MAX_VALUE : System.currentTimeMillis() + tokens.getRefreshExpiresIn() * 1000);
+            realmConfig.setSigExpiresAt(sigExpiresAt);
+            realmConfig.setClientId(clientId);
+        });
+    }
+
+    public static void checkServerInfo(ConfigData config) {
+        if (config.getServerUrl() == null || config.getRealm() == null) {
+            throw new RuntimeException("No server or realm specified. Use --server, --realm, or '" + OsUtil.CMD + " config credentials'.");
+        }
+    }
+
+    public static void checkAuthInfo(ConfigData config) {
+        checkServerInfo(config);
+    }
+
+    public static boolean credentialsAvailable(ConfigData config) {
+        return config.getServerUrl() != null && config.getRealm() != null
+                && config.sessionRealmConfigData() != null && config.sessionRealmConfigData().getRefreshToken() != null;
+    }
+
+    public static ConfigData loadConfig() {
+        if (handler == null) {
+            throw new RuntimeException("No ConfigHandler set");
+        }
+
+        return handler.loadConfig();
+    }
+
+    public static void saveMergeConfig(ConfigUpdateOperation op) {
+        if (handler == null) {
+            throw new RuntimeException("No ConfigHandler set");
+        }
+
+        handler.saveMergeConfig(op);
+    }
+
+    public static void setupInMemoryHandler(ConfigData config) {
+        InMemoryConfigHandler memhandler = null;
+        if (handler instanceof InMemoryConfigHandler) {
+            memhandler = (InMemoryConfigHandler) handler;
+        } else {
+            memhandler = new InMemoryConfigHandler();
+            handler = memhandler;
+        }
+        memhandler.setConfigData(config);
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/DebugBufferedInputStream.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/DebugBufferedInputStream.java
new file mode 100644
index 0000000..fa200d6
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/DebugBufferedInputStream.java
@@ -0,0 +1,78 @@
+package org.keycloak.client.registration.cli.util;
+
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class DebugBufferedInputStream extends BufferedInputStream {
+
+    public DebugBufferedInputStream(InputStream in) {
+        super(in);
+    }
+
+    @Override
+    public synchronized int read() throws IOException {
+        log("read() >>>");
+        int b = super.read();
+        log("read() <<< " + (char) b + " (" + b + ")");
+        return b;
+    }
+
+    @Override
+    public synchronized int read(byte[] b, int off, int len) throws IOException {
+        log("read(buf, off, len) >>>");
+        int c = super.read(b, off, len);
+        log("read(buf, off, len) <<< " + (c != -1 ? "[" + new String(b, off, c) + "]" : "-1"));
+        return c;
+    }
+
+    @Override
+    public synchronized long skip(long n) throws IOException {
+        log("skip()");
+        return super.skip(n);
+    }
+
+    @Override
+    public synchronized int available() throws IOException {
+        log("available() >>>");
+        int c = super.available();
+        log("available() >>> " + c);
+        return c;
+    }
+
+    @Override
+    public synchronized void mark(int readlimit) {
+        log("mark()");
+        super.mark(readlimit);
+    }
+
+    @Override
+    public synchronized void reset() throws IOException {
+        log("reset()");
+        super.reset();
+    }
+
+    @Override
+    public boolean markSupported() {
+        log("markSupported()");
+        return super.markSupported();
+    }
+
+    @Override
+    public void close() throws IOException {
+        log("close()");
+        super.close();
+    }
+
+    @Override
+    public int read(byte[] b) throws IOException {
+        return read(b, 0, b.length);
+    }
+
+    private void log(String msg) {
+        System.err.println(msg);
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/HttpUtil.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/HttpUtil.java
new file mode 100644
index 0000000..ec6e9bd
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/HttpUtil.java
@@ -0,0 +1,188 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.util;
+
+import org.apache.http.Header;
+import org.apache.http.HttpHeaders;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpDelete;
+import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.client.methods.HttpRequestBase;
+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
+import org.apache.http.ssl.SSLContexts;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.keycloak.client.registration.cli.common.EndpointType;
+import org.keycloak.util.JsonSerialization;
+
+import javax.net.ssl.SSLContext;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.security.KeyManagementException;
+
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class HttpUtil {
+
+    public static final String APPLICATION_XML = "application/xml";
+    public static final String APPLICATION_JSON = "application/json";
+    public static final String APPLICATION_FORM_URL_ENCODED = "application/x-www-form-urlencoded";
+    public static final String UTF_8 = "utf-8";
+
+    private static HttpClient httpClient;
+    private static SSLConnectionSocketFactory sslsf;
+
+    public static InputStream doGet(String url, String acceptType, String authorization) {
+        try {
+            HttpGet request = new HttpGet(url);
+            request.setHeader(HttpHeaders.ACCEPT, acceptType);
+            return doRequest(authorization, request);
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to send request - " + e.getMessage(), e);
+        }
+    }
+
+    public static InputStream doPost(String url, String contentType, String acceptType, String content, String authorization) {
+        try {
+            return doPostOrPut(contentType, acceptType, content, authorization, new HttpPost(url));
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to send request - " + e.getMessage(), e);
+        }
+    }
+
+    public static InputStream doPut(String url, String contentType, String acceptType, String content, String authorization) {
+        try {
+            return doPostOrPut(contentType, acceptType, content, authorization, new HttpPut(url));
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to send request - " + e.getMessage(), e);
+        }
+    }
+
+    public static void doDelete(String url, String authorization) {
+        try {
+            HttpDelete request = new HttpDelete(url);
+            doRequest(authorization, request);
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to send request - " + e.getMessage(), e);
+        }
+    }
+
+    private static InputStream doPostOrPut(String contentType, String acceptType, String content, String authorization, HttpEntityEnclosingRequestBase request) throws IOException {
+        request.setHeader(HttpHeaders.CONTENT_TYPE, contentType);
+        request.setHeader(HttpHeaders.ACCEPT, acceptType);
+        if (content != null) {
+            request.setEntity(new StringEntity(content));
+        }
+
+        return doRequest(authorization, request);
+    }
+
+    private static InputStream doRequest(String authorization, HttpRequestBase request) throws IOException {
+        addAuth(request, authorization);
+
+        HttpResponse response = getHttpClient().execute(request);
+        InputStream responseStream = null;
+        if (response.getEntity() != null) {
+            responseStream = response.getEntity().getContent();
+        }
+
+        int code = response.getStatusLine().getStatusCode();
+        if (code >= 200 && code < 300) {
+            return responseStream;
+        } else {
+            Map<String, String> error = null;
+            try {
+                Header header = response.getEntity().getContentType();
+                if (header != null && APPLICATION_JSON.equals(header.getValue())) {
+                    error = JsonSerialization.readValue(responseStream, Map.class);
+                }
+            } catch (Exception e) {
+                throw new RuntimeException("Failed to read error response - " + e.getMessage(), e);
+            } finally {
+                responseStream.close();
+            }
+
+            String message = null;
+            if (error != null) {
+                message = error.get("error_description") + " [" + error.get("error") + "]";
+            }
+            throw new RuntimeException(message != null ? message : response.getStatusLine().getStatusCode() + " " + response.getStatusLine().getReasonPhrase());
+        }
+    }
+
+    private static void addAuth(HttpRequestBase request, String authorization) {
+        if (authorization != null) {
+            request.setHeader(HttpHeaders.AUTHORIZATION, authorization);
+        }
+    }
+
+    public static HttpClient getHttpClient() {
+        if (httpClient == null) {
+            if (sslsf != null) {
+                httpClient = HttpClientBuilder.create().useSystemProperties().setSSLSocketFactory(sslsf).build();
+            } else {
+                httpClient = HttpClientBuilder.create().useSystemProperties().build();
+            }
+        }
+        return httpClient;
+    }
+
+    public static String getExpectedContentType(EndpointType type) {
+        switch (type) {
+            case DEFAULT:
+            case OIDC:
+                return APPLICATION_JSON;
+            case SAML2:
+                return APPLICATION_XML;
+            default:
+                throw new RuntimeException("Unsupported endpoint type: " + type);
+        }
+    }
+
+    public static String urlencode(String value) {
+        try {
+            return URLEncoder.encode(value, UTF_8);
+        } catch (UnsupportedEncodingException e) {
+            throw new RuntimeException("Failed to urlencode", e);
+        }
+    }
+
+    public static void setTruststore(File file, String password) throws CertificateException, NoSuchAlgorithmException, KeyStoreException, IOException, KeyManagementException {
+        if (!file.isFile()) {
+            throw new RuntimeException("Truststore file not found: " + file.getAbsolutePath());
+        }
+        SSLContext theContext = SSLContexts.custom()
+                .useProtocol("TLS")
+                .loadTrustMaterial(file, password == null ? null : password.toCharArray())
+                .build();
+        sslsf = new SSLConnectionSocketFactory(theContext);
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/IoUtil.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/IoUtil.java
new file mode 100644
index 0000000..7b38505
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/IoUtil.java
@@ -0,0 +1,235 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.util;
+
+import org.jboss.aesh.console.AeshConsoleBufferBuilder;
+import org.jboss.aesh.console.AeshInputProcessorBuilder;
+import org.jboss.aesh.console.ConsoleBuffer;
+import org.jboss.aesh.console.InputProcessor;
+import org.jboss.aesh.console.Prompt;
+import org.jboss.aesh.console.command.invocation.CommandInvocation;
+import org.keycloak.client.registration.cli.aesh.Globals;
+
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.Charset;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.AclEntryPermission;
+import java.nio.file.attribute.AclEntryType;
+import java.nio.file.attribute.AclFileAttributeView;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.UserPrincipal;
+import java.util.Formatter;
+import java.util.HashSet;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Set;
+
+import static java.nio.file.Files.createDirectories;
+import static java.nio.file.Files.createFile;
+import static java.nio.file.Files.isDirectory;
+import static java.nio.file.Files.isRegularFile;
+import static org.keycloak.client.registration.cli.util.OsUtil.OS_ARCH;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class IoUtil {
+
+    public static String readFileOrStdin(String file) {
+        String content;
+        if ("-".equals(file)) {
+            content = readFully(System.in);
+        } else {
+            try (InputStream is = new FileInputStream(file)) {
+                content = readFully(is);
+            } catch (FileNotFoundException e) {
+                throw new RuntimeException("File not found: " + file);
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to read file: " + file, e);
+            }
+        }
+        return content;
+    }
+
+    public static void waitFor(long millis) {
+        try {
+            Thread.sleep(millis);
+        } catch (InterruptedException e) {
+            throw new RuntimeException("Interrupted");
+        }
+    }
+
+    public static String readSecret(String prompt, CommandInvocation invocation) {
+
+        // TODO Windows hack - masking not working on Windows
+        char maskChar = OS_ARCH.isWindows() ? 0 : '*';
+        ConsoleBuffer consoleBuffer = new AeshConsoleBufferBuilder()
+                .shell(invocation.getShell())
+                .prompt(new Prompt(prompt, maskChar))
+                .create();
+        InputProcessor inputProcessor = new AeshInputProcessorBuilder()
+                .consoleBuffer(consoleBuffer)
+                .create();
+
+        consoleBuffer.displayPrompt();
+
+        // activate stdin
+        Globals.stdin.setInputStream(System.in);
+
+        String result;
+        try {
+            do {
+                result = inputProcessor.parseOperation(invocation.getInput());
+            } while (result == null);
+        } catch (Exception e) {
+            throw new RuntimeException("^C", e);
+        }
+        /*
+        if (!Globals.stdin.isStdinAvailable()) {
+            try {
+                return readLine(new InputStreamReader(System.in));
+            } catch (IOException e) {
+                throw new RuntimeException("Standard input not available");
+            }
+        }
+         */
+        // Windows hack - get rid of any \n
+        result = result.replaceAll("\\n", "");
+        return result;
+    }
+
+    public static String readFully(InputStream is) {
+        Charset charset = Charset.forName("utf-8");
+        StringBuilder out = new StringBuilder();
+        byte [] buf = new byte[8192];
+
+        int rc;
+        try {
+            while ((rc = is.read(buf)) != -1) {
+                out.append(new String(buf, 0, rc, charset));
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to read stream", e);
+        }
+        return out.toString();
+    }
+
+    public static void ensureFile(Path path) throws IOException {
+
+        FileSystem fs = FileSystems.getDefault();
+        Set<String> supportedViews = fs.supportedFileAttributeViews();
+        Path parent = path.getParent();
+
+        if (!isDirectory(parent)) {
+            createDirectories(parent);
+            // make sure only owner can read/write it
+            if (supportedViews.contains("posix")) {
+                setUnixPermissions(parent);
+            } else if (supportedViews.contains("acl")) {
+                setWindowsPermissions(parent);
+            } else {
+                warnErr("Failed to restrict access permissions on .keycloak directory: " + parent);
+            }
+        }
+        if (!isRegularFile(path)) {
+            createFile(path);
+            // make sure only owner can read/write it
+            if (FileSystems.getDefault().supportedFileAttributeViews().contains("posix")) {
+                setUnixPermissions(path);
+            } else if (supportedViews.contains("acl")) {
+                setWindowsPermissions(path);
+            } else {
+                warnErr("Failed to restrict access permissions on config file: " + path);
+            }
+        }
+    }
+
+    private static void setUnixPermissions(Path path) throws IOException {
+        Set<PosixFilePermission> perms = new HashSet<>();
+        perms.add(PosixFilePermission.OWNER_READ);
+        perms.add(PosixFilePermission.OWNER_WRITE);
+        if (isDirectory(path)) {
+            perms.add(PosixFilePermission.OWNER_EXECUTE);
+        }
+        Files.setPosixFilePermissions(path, perms);
+    }
+
+    private static void setWindowsPermissions(Path path) throws IOException {
+        AclFileAttributeView view = Files.getFileAttributeView(path, AclFileAttributeView.class);
+        UserPrincipal owner = view.getOwner();
+        List<AclEntry> acl = view.getAcl();
+        ListIterator<AclEntry> it = acl.listIterator();
+        while (it.hasNext()) {
+            AclEntry entry = it.next();
+            if ("BUILTIN\\Administrators".equals(entry.principal().getName()) || "NT AUTHORITY\\SYSTEM".equals(entry.principal().getName())) {
+                continue;
+            }
+            it.remove();
+        }
+        AclEntry entry = AclEntry.newBuilder()
+                .setType(AclEntryType.ALLOW)
+                .setPrincipal(owner)
+                .setPermissions(AclEntryPermission.READ_DATA, AclEntryPermission.WRITE_DATA,
+                        AclEntryPermission.APPEND_DATA, AclEntryPermission.READ_NAMED_ATTRS,
+                        AclEntryPermission.WRITE_NAMED_ATTRS, AclEntryPermission.EXECUTE,
+                        AclEntryPermission.READ_ATTRIBUTES, AclEntryPermission.WRITE_ATTRIBUTES,
+                        AclEntryPermission.DELETE, AclEntryPermission.READ_ACL, AclEntryPermission.SYNCHRONIZE)
+                .build();
+        acl.add(entry);
+        view.setAcl(acl);
+    }
+
+    public static void printOut(String msg) {
+        System.out.println(msg);
+    }
+
+    public static void printErr(String msg) {
+        System.err.println(msg);
+    }
+
+    public static void printfOut(String format, String ... params) {
+        System.out.println(new Formatter().format("WARN: " + format, params));
+    }
+
+    public static void warnOut(String msg) {
+        System.out.println("WARN: " + msg);
+    }
+
+    public static void warnErr(String msg) {
+        System.err.println("WARN: " + msg);
+    }
+
+    public static void warnfOut(String format, String ... params) {
+        System.out.println(new Formatter().format("WARN: " + format, params));
+    }
+
+    public static void warnfErr(String format, String ... params) {
+        System.err.println(new Formatter().format("WARN: " + format, params));
+    }
+
+    public static void logOut(String msg) {
+        System.out.println("LOG: " + msg);
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/OsArch.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/OsArch.java
new file mode 100644
index 0000000..823d1fb
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/OsArch.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.keycloak.client.registration.cli.util;
+
+/**
+ * @author <a href="mailto:marko.strukelj@gmail.com">Marko Strukelj</a>
+ */
+public class OsArch {
+
+    private String os;
+    private String arch;
+    private boolean legacy;
+
+    public OsArch(String os, String arch) {
+        this(os, arch, false);
+    }
+
+    public OsArch(String os, String arch, boolean legacy) {
+        this.os = os;
+        this.arch = arch;
+        this.legacy = legacy;
+    }
+
+    public String os() {
+        return os;
+    }
+
+    public String arch() {
+        return arch;
+    }
+
+    public boolean isLegacy() {
+        return legacy;
+    }
+
+    public boolean isWindows() {
+        return "win32".equals(os);
+    }
+
+    public String envVar(String var) {
+        if (isWindows()) {
+            return "%" + var + "%";
+        } else {
+            return "$" + var;
+        }
+    }
+
+    public String path(String path) {
+        if (isWindows()) {
+            path = path.replaceAll("/", "\\\\");
+            if (path.startsWith("~")) {
+                path =  "%HOMEPATH%" + path.substring(1);
+            }
+        }
+        return path;
+    }
+}
\ No newline at end of file
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/OsUtil.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/OsUtil.java
new file mode 100644
index 0000000..c0b9974
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/OsUtil.java
@@ -0,0 +1,48 @@
+package org.keycloak.client.registration.cli.util;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class OsUtil {
+
+    public static final OsArch OS_ARCH = determineOSAndArch();
+
+    public static final String CMD = OS_ARCH.isWindows() ? "kcreg.bat" : "kcreg.sh";
+
+    public static final String PROMPT = OS_ARCH.isWindows() ? "c:\\>" : "$";
+
+    public static final String EOL = OS_ARCH.isWindows() ? "\r\n" : "\n";
+
+
+    public static OsArch determineOSAndArch() {
+        String os = System.getProperty("os.name").toLowerCase();
+        String arch = System.getProperty("os.arch");
+
+        if (arch.equals("amd64")) {
+            arch = "x86_64";
+        }
+
+        if (os.startsWith("linux")) {
+            if (arch.equals("x86") || arch.equals("i386") || arch.equals("i586")) {
+                arch = "i686";
+            }
+            return new OsArch("linux", arch);
+        } else if (os.startsWith("windows")) {
+            if (arch.equals("x86")) {
+                arch = "i386";
+            }
+            if (os.indexOf("2008") != -1 || os.indexOf("2003") != -1 || os.indexOf("vista") != -1) {
+                return new OsArch("win32", arch, true);
+            } else {
+                return new OsArch("win32", arch);
+            }
+        } else if (os.startsWith("sunos")) {
+            return new OsArch("sunos5", "x86_64");
+        } else if (os.startsWith("mac os x")) {
+            return new OsArch("osx", "x86_64");
+        }
+
+        // unsupported platform
+        throw new RuntimeException("Could not determine OS and architecture for this operating system: " + os);
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ParseUtil.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ParseUtil.java
new file mode 100644
index 0000000..02ed27a
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ParseUtil.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.util;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
+import org.keycloak.client.registration.cli.common.AttributeOperation;
+import org.keycloak.client.registration.cli.common.CmdStdinContext;
+import org.keycloak.client.registration.cli.common.EndpointType;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.oidc.OIDCClientRepresentation;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.util.List;
+
+import static java.lang.System.arraycopy;
+import static org.keycloak.client.registration.cli.util.IoUtil.readFileOrStdin;
+import static org.keycloak.client.registration.cli.util.ReflectionUtil.setAttributes;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class ParseUtil {
+
+    public static final String CLIENTID_OPTION_WARN = "You're using what looks like an OPTION as CLIENT_ID: %s";
+    public static final String TOKEN_OPTION_WARN = "You're using what looks like an OPTION as TOKEN: %s";
+
+    public static String[] shift(String[] args) {
+        if (args.length == 1)
+            return new String[0];
+        String [] nu = new String [args.length-1];
+        arraycopy(args, 1, nu, 0, args.length-1);
+        return nu;
+    }
+
+    public static String[] parseKeyVal(String keyval) {
+        // we expect = as a separator
+        int pos = keyval.indexOf("=");
+        if (pos <= 0) {
+            throw new RuntimeException("Invalid key=value parameter: [" + keyval + "]");
+        }
+
+        String [] parsed = new String[2];
+        parsed[0] = keyval.substring(0, pos);
+        parsed[1] = keyval.substring(pos+1);
+
+        return parsed;
+    }
+
+    public static CmdStdinContext parseFileOrStdin(String file, EndpointType type) {
+
+        String content = readFileOrStdin(file).trim();
+        ClientRepresentation client = null;
+        OIDCClientRepresentation oidcClient = null;
+
+        if (type == null) {
+            // guess the correct endpoint from content of the file
+            if (content.startsWith("<")) {
+                // looks like XML
+                type = EndpointType.SAML2;
+            } else if (content.startsWith("{")) {
+                // looks like JSON?
+                // try parse as ClientRepresentation
+                try {
+                    client = JsonSerialization.readValue(content, ClientRepresentation.class);
+                    type = EndpointType.DEFAULT;
+
+                } catch (JsonParseException e) {
+                    throw new RuntimeException("Failed to read the input document as JSON: " + e.getMessage(), e);
+                } catch (Exception ignored) {
+                    // deliberately not logged
+                }
+
+                if (client == null) {
+                    // try parse as OIDCClientRepresentation
+                    try {
+                        oidcClient = JsonSerialization.readValue(content, OIDCClientRepresentation.class);
+                        type = EndpointType.OIDC;
+                    } catch (IOException ne) {
+                        throw new RuntimeException("Unable to determine input document type. Use -e TYPE to specify the registration endpoint to use");
+                    } catch (Exception e) {
+                        throw new RuntimeException("Failed to read the input document as JSON", e);
+                    }
+                }
+
+            } else if (content.length() == 0) {
+                throw new RuntimeException("Document provided by --file option is empty");
+            } else {
+                throw new RuntimeException("Unable to determine input document type. Use -e TYPE to specify the registration endpoint to use");
+            }
+        }
+
+        // check content type, making sure it can be parsed into .json if it's not saml xml
+        if (content != null) {
+            try {
+                if (type == EndpointType.DEFAULT && client == null) {
+                    client = JsonSerialization.readValue(content, ClientRepresentation.class);
+                } else if (type == EndpointType.OIDC && oidcClient == null) {
+                    oidcClient = JsonSerialization.readValue(content, OIDCClientRepresentation.class);
+                }
+            } catch (JsonParseException e) {
+                throw new RuntimeException("Not a valid JSON document - " + e.getMessage(), e);
+            } catch (UnrecognizedPropertyException e) {
+                throw new RuntimeException("Attribute '" + e.getPropertyName() + "' not supported on document type '" + type.getName() + "'", e);
+            } catch (IOException e) {
+                throw new RuntimeException("Not a valid JSON document", e);
+            }
+        }
+
+        CmdStdinContext ctx = new CmdStdinContext();
+        ctx.setEndpointType(type);
+        ctx.setContent(content);
+        ctx.setClient(client);
+        ctx.setOidcClient(oidcClient);
+        return ctx;
+    }
+
+    public static CmdStdinContext mergeAttributes(CmdStdinContext ctx, List<AttributeOperation> attrs) {
+        String content = ctx.getContent();
+        ClientRepresentation client = ctx.getClient();
+        OIDCClientRepresentation oidcClient = ctx.getOidcClient();
+        EndpointType type = ctx.getEndpointType();
+        try {
+            if (content == null) {
+                if (type == EndpointType.DEFAULT) {
+                    client = new ClientRepresentation();
+                } else if (type == EndpointType.OIDC) {
+                    oidcClient = new OIDCClientRepresentation();
+                }
+            }
+            Object rep = client != null ? client : oidcClient;
+            if (rep != null) {
+                try {
+                    setAttributes(rep, attrs);
+                } catch (AttributeException e) {
+                    throw new RuntimeException("Failed to set attribute '" + e.getAttributeName() + "' on document type '" + type.getName() + "'", e);
+                }
+                content = JsonSerialization.writeValueAsString(rep);
+            } else {
+                throw new RuntimeException("Setting attributes is not supported for type: " + type.getName());
+            }
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to merge set attributes with configuration from file", e);
+        }
+
+        ctx.setContent(content);
+        ctx.setClient(client);
+        ctx.setOidcClient(oidcClient);
+        return ctx;
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ReflectionUtil.java b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ReflectionUtil.java
new file mode 100644
index 0000000..1fe500b
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/main/java/org/keycloak/client/registration/cli/util/ReflectionUtil.java
@@ -0,0 +1,498 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.client.registration.cli.util;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import org.keycloak.client.registration.cli.common.AttributeKey;
+import org.keycloak.client.registration.cli.common.AttributeOperation;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class ReflectionUtil {
+
+    static Map<Class, Map<String, Field>> index = new HashMap<>();
+
+    static void populateAttributesIndex(Class type) {
+        // We are using fields rather than getters / setters
+        // because it seems like JSON mapping sometimes also uses fields as well
+        // This may have to be changed some day due to reliance on Field.setAccessible()
+        Map<String, Field> map = new HashMap<>();
+        Field [] fields  = type.getDeclaredFields();
+        for (Field f: fields) {
+            // make sure to also have access to non-public fields
+            f.setAccessible(true);
+            map.put(f.getName(), f);
+        }
+        index.put(type, map);
+    }
+
+    public static Map<String, Field> getAttrFieldsForType(Type gtype) {
+        Class type;
+        if (gtype instanceof Class) {
+            type = (Class) gtype;
+        } else if (gtype instanceof ParameterizedType) {
+            type = (Class) ((ParameterizedType) gtype).getRawType();
+        } else {
+            throw new RuntimeException("Unexpected type: " + gtype);
+        }
+
+        if (isListType(type) || isMapType(type)) {
+            return Collections.emptyMap();
+        }
+        Map<String, Field> map = index.get(type);
+        if (map == null) {
+            populateAttributesIndex(type);
+            map = index.get(type);
+        }
+        return map;
+    }
+
+    public static boolean isListType(Class type) {
+        return List.class.isAssignableFrom(type) || type.isArray();
+    }
+
+    public static boolean isBasicType(Type type) {
+        return type == String.class || type == Boolean.class || type == boolean.class
+                || type == Integer.class || type == int.class || type == Long.class || type == long.class
+                || type == Float.class || type == float.class || type == Double.class || type == double.class;
+    }
+
+    public static boolean isMapType(Class type) {
+        return Map.class.isAssignableFrom(type);
+    }
+
+    public static Object convertValueToType(Object value, Class<?> type) throws IOException {
+
+        if (value == null) {
+            return null;
+
+        } else if (value instanceof String) {
+            if (type == String.class) {
+                return value;
+            } else if (type == Boolean.class) {
+                return Boolean.valueOf((String) value);
+            } else if (type == Integer.class) {
+                return Integer.valueOf((String) value);
+            } else if (type == Long.class) {
+                return Long.valueOf((String) value);
+            } else {
+                return JsonSerialization.readValue((String) value, type);
+            }
+        } else if (value instanceof Number) {
+            if (type == Integer.class) {
+                return ((Number) value).intValue();
+            } else if (type == Long.class) {
+                return ((Long) value).longValue();
+            } else if (type == String.class) {
+                return String.valueOf(value);
+            }
+        } else if (value instanceof Boolean) {
+            if (type == Boolean.class) {
+                return value;
+            } else if (type == String.class) {
+                return String.valueOf(value);
+            }
+        }
+
+        throw new RuntimeException("Unable to handle type [" + type + "]");
+    }
+
+    public static void setAttributes(Object client, List<AttributeOperation> attrs) {
+
+        for (AttributeOperation item: attrs) {
+
+            AttributeKey attr = item.getKey();
+            Object nested = client;
+
+            List<AttributeKey.Component> cs = attr.getComponents();
+            for (int i = 0; i < cs.size(); i++) {
+                AttributeKey.Component c = cs.get(i);
+
+                Class type = nested.getClass();
+                Field field = null;
+
+                if (!isMapType(type)) {
+                    Map<String, Field> fields = getAttrFieldsForType(type);
+                    if (fields == null) {
+                        throw new AttributeException(attr.toString(), "Unexpected condition - unknown type: " + type);
+                    }
+
+                    field = fields.get(c.getName());
+                    Class parent = type;
+                    while (field == null) {
+                        parent = parent.getSuperclass();
+                        if (parent == Object.class) {
+                            throw new AttributeException(attr.toString(), "Unknown attribute '" + c.getName() + "' on " + client.getClass());
+                        }
+
+                        fields = getAttrFieldsForType(parent);
+                        field = fields.get(c.getName());
+                    }
+                }
+                // if it's a 'basic' type we directly use setter
+                type = field == null ? type : field.getType();
+                if (isBasicType(type)) {
+                    if (i < cs.size() - 1) {
+                        throw new AttributeException(attr.toString(), "Attribute is of primitive type, and can't be nested further: " + c);
+                    }
+
+                    try {
+                        Object val = convertValueToType(item.getValue(), type);
+                        field.set(nested, val);
+                    } catch (Exception e) {
+                        throw new AttributeException(attr.toString(), "Failed to set attribute " + attr, e);
+                    }
+                } else if (isListType(type)) {
+                    if (i < cs.size() -1) {
+                        // not the target component
+                        try {
+                            nested = field.get(nested);
+                        } catch (Exception e) {
+                            throw new AttributeException(attr.toString(), "Failed to get attribute \"" + c + "\" in " + attr, e);
+                        }
+                        if (c.getIndex() >= 0) {
+                            // list item
+                            // get idx-th item
+                            List l = (List) nested;
+                            if (c.getIndex() >= l.size()) {
+                                throw new AttributeException(attr.toString(), "Array index out of bounds for \"" + c + "\" in " + attr);
+                            }
+                            nested = l.get(c.getIndex());
+                        }
+                    } else {
+                        // target component
+                        Class itype = type;
+                        Type gtype = field.getGenericType();
+                        if (gtype instanceof ParameterizedType) {
+                            Type[] typeArgs = ((ParameterizedType) gtype).getActualTypeArguments();
+                            if (typeArgs.length >= 1 && typeArgs[0] instanceof Class) {
+                                itype = (Class) typeArgs[0];
+                            } else {
+                                itype = String.class;
+                            }
+                        }
+                        if (c.getIndex() >= 0 || attr.isAppend()) {
+                            // some list item
+                            // get the list first
+                            List target;
+                            try {
+                                target = (List) field.get(nested);
+                            } catch (Exception e) {
+                                throw new AttributeException(attr.toString(), "Failed to get list attribute: " + attr, e);
+                            }
+
+                            // now replace or add idx-th item
+                            if (target == null) {
+                                target = createNewList(type);
+                                try {
+                                    field.set(nested, target);
+                                } catch (Exception e) {
+                                    throw new AttributeException(attr.toString(), "Failed to set list attribute " + attr, e);
+                                }
+                            }
+                            if (c.getIndex() >= target.size()) {
+                                throw new AttributeException(attr.toString(), "Array index out of bounds for \"" + c + "\" in " + attr);
+                            }
+
+                            if (attr.isAppend()) {
+                                try {
+                                    Object value = convertValueToType(item.getValue(), itype);
+                                    if (c.getIndex() >= 0) {
+                                        target.add(c.getIndex(), value);
+                                    } else {
+                                        target.add(value);
+                                    }
+                                } catch (Exception e) {
+                                    throw new AttributeException(attr.toString(), "Failed to set list attribute " + attr, e);
+                                }
+
+                            } else {
+                                if (item.getType() == AttributeOperation.Type.SET) {
+                                    try {
+                                        Object value = convertValueToType(item.getValue(), itype);
+                                        target.set(c.getIndex(), value);
+                                    } catch (Exception e) {
+                                        throw new AttributeException(attr.toString(), "Failed to set list attribute " + attr, e);
+                                    }
+                                } else {
+                                    try {
+                                        target.remove(c.getIndex());
+                                    } catch (Exception e) {
+                                        throw new AttributeException(attr.toString(), "Failed to remove list attribute " + attr, e);
+                                    }
+                                }
+                            }
+
+                        } else {
+                            // set the whole list field itself
+                            List value = createNewList(type);;
+                            if (item.getType() == AttributeOperation.Type.SET) {
+                                List converted = convertValueToList(item.getValue(), itype);
+                                value.addAll(converted);
+                            }
+                            try {
+                                field.set(nested, value);
+                            } catch (Exception e) {
+                                throw new AttributeException(attr.toString(), "Failed to set list attribute " + attr, e);
+                            }
+                        }
+                    }
+                } else {
+                    // object type
+                    if (i < cs.size() -1) {
+                        // not the target component
+                        Object value;
+                        if (field == null) {
+                            if (isMapType(nested.getClass())) {
+                                value = ((Map) nested).get(c.getName());
+                            } else {
+                                throw new RuntimeException("Unexpected condition while processing: " + attr);
+                            }
+                        } else {
+                            try {
+                                value = field.get(nested);
+                            } catch (Exception e) {
+                                throw new AttributeException(attr.toString(), "Failed to get attribute \"" + c + "\" in " + attr, e);
+                            }
+                        }
+                        if (value == null) {
+                            // create the target attribute
+                            if (isMapType(nested.getClass())) {
+                                throw new RuntimeException("Creating nested object trees not supported");
+                            } else {
+                                try {
+                                    value = createNewObject(type);
+                                    field.set(nested, value);
+                                } catch (Exception e) {
+                                    throw new AttributeException(attr.toString(), "Failed to set attribute " + attr, e);
+                                }
+                            }
+                        }
+                        nested = value;
+                    } else {
+                        // target component
+                        // todo implement map put
+                        if (isMapType(nested.getClass())) {
+                            try {
+                                ((Map) nested).put(c.getName(), item.getValue());
+                            } catch (Exception e) {
+                                throw new AttributeException(attr.toString(), "Failed to set map key " + attr, e);
+                            }
+                        } else {
+                            try {
+                                Object value = convertValueToType(item.getValue(), type);
+                                field.set(nested, value);
+                            } catch (Exception e) {
+                                throw new AttributeException(attr.toString(), "Failed to set attribute " + attr, e);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private static Object createNewObject(Class type) throws Exception {
+        return type.newInstance();
+    }
+
+    public static List createNewList(Class type) {
+
+        if (type == List.class) {
+            return new ArrayList();
+        } else if (type.isInterface()) {
+            throw new RuntimeException("Can't instantiate a list type: " + type);
+        }
+
+        try {
+            return (List) type.newInstance();
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to instantiate a list type: " + type, e);
+        }
+    }
+
+    public static List convertValueToList(String value, Class itemType) {
+        try {
+            List result = new LinkedList();
+            if (!value.startsWith("[")) {
+                throw new RuntimeException("List attribute value has to start with '[' - '" + value + "'");
+            }
+            List parsed = JsonSerialization.readValue(value, List.class);
+            for (Object item: parsed) {
+                if (itemType.isAssignableFrom(item.getClass())) {
+                    result.add(item);
+                } else {
+                    result.add(convertValueToType(item, itemType));
+                }
+            }
+            return result;
+
+        } catch (JsonParseException e) {
+            throw new RuntimeException("Failed to parse list value: " + e.getMessage(), e);
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to parse list value: " + value, e);
+        }
+    }
+
+    public static <T> void merge(T source, T dest) {
+        // Use existing index for type, then iterate over all attributes and
+        // use setter on dest, and getter on source to copy value over
+        Map<String, Field> fieldMap = getAttrFieldsForType(source.getClass());
+        try {
+            for (String attrName : fieldMap.keySet()) {
+                Field field = fieldMap.get(attrName);
+                Object localValue = field.get(source);
+                if (localValue != null) {
+                    field.set(dest, localValue);
+                }
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to merge changes", e);
+        }
+    }
+
+
+    public static LinkedHashMap<String, String> getAttributeListWithJSonTypes(Class type, AttributeKey attr) {
+
+        LinkedHashMap<String, String> result = new LinkedHashMap<>();
+        attr = attr != null ? attr : new AttributeKey();
+
+        Map<String, Field> fields = getAttrFieldsForType(type);
+        for (AttributeKey.Component c: attr.getComponents()) {
+            Field f = fields.get(c.getName());
+            if (f == null) {
+                throw new AttributeException(attr.toString(), "No such attribute: " + attr);
+            }
+
+            type = f.getType();
+            if (isBasicType(type) || isListType(type) || isMapType(type)) {
+                return result;
+            } else {
+                fields = getAttrFieldsForType(type);
+            }
+        }
+
+        for (Map.Entry<String, Field> item : fields.entrySet()) {
+            String key = item.getKey();
+            Class clazz = item.getValue().getType();
+            String t = getTypeString(clazz, item.getValue());
+
+            result.put(key, t);
+        }
+        return result;
+    }
+
+    public static Field resolveField(Class type, AttributeKey attr) {
+        Field f = null;
+        Type gtype = type;
+
+        for (AttributeKey.Component c: attr.getComponents()) {
+            if (f != null) {
+                gtype = f.getGenericType();
+                if (gtype instanceof ParameterizedType) {
+                    Type[] typeargs = ((ParameterizedType) gtype).getActualTypeArguments();
+                    if (typeargs.length > 0) {
+                        gtype = typeargs[typeargs.length-1];
+                    }
+                }
+            }
+            Map<String, Field> fields = getAttrFieldsForType(gtype);
+            f = fields.get(c.getName());
+            if (f == null) {
+                throw new AttributeException(attr.toString(), "No such attribute: " + attr);
+            }
+        }
+        return f;
+    }
+
+    public static String getTypeString(Type type, Field field) {
+        Class clazz = null;
+        if (type == null) {
+            if (field == null) {
+                throw new IllegalArgumentException("type == null and field == null");
+            }
+            type = field.getGenericType();
+        }
+        if (type instanceof Class) {
+            clazz = (Class) type;
+        } else if (type instanceof ParameterizedType) {
+            StringBuilder sb = new StringBuilder();
+            String rtype = getTypeString(((ParameterizedType) type).getRawType(), null);
+
+            sb.append(rtype);
+            sb.append(" ").append("(");
+            Type[] typeArgs = ((ParameterizedType) type).getActualTypeArguments();
+
+            for (int i = 0; i < typeArgs.length; i++) {
+                if (i > 0) {
+                    sb.append(", ");
+                }
+                sb.append(getTypeString(typeArgs[i], null));
+            }
+            sb.append(")");
+            return sb.toString();
+        }
+
+        if (CharSequence.class.isAssignableFrom(clazz)) {
+            return "string";
+        } else if (Integer.class.isAssignableFrom(clazz) || int.class.isAssignableFrom(clazz)) {
+            return "int";
+        } else if (Long.class.isAssignableFrom(clazz) || long.class.isAssignableFrom(clazz)) {
+            return "long";
+        } else if (Float.class.isAssignableFrom(clazz) || float.class.isAssignableFrom(clazz)) {
+            return "float";
+        } else if (Double.class.isAssignableFrom(clazz) || double.class.isAssignableFrom(clazz)) {
+            return "double";
+        } else if (Number.class.isAssignableFrom(clazz)) {
+            return "number";
+        } else if (Boolean.class.isAssignableFrom(clazz) || boolean.class.isAssignableFrom(clazz)) {
+            return "boolean";
+        } else if (isListType(clazz)) {
+            if (field != null) {
+                Type gtype = field.getGenericType();
+                if (gtype == clazz && clazz.isArray()) {
+                    return "array (" + getTypeString(clazz.getComponentType(), null) + ")";
+                }
+                return getTypeString(gtype, null);
+            }
+            return "array";
+        } else if (isMapType(clazz)) {
+            if (field != null) {
+                Type gtype = field.getGenericType();
+                return getTypeString(gtype, null);
+            }
+            return "object";
+        } else {
+            return "object";
+        }
+    }
+}
diff --git a/integration/client-cli/client-registration-cli/src/test/java/org/keycloak/client/registration/cli/util/ReflectionUtilTest.java b/integration/client-cli/client-registration-cli/src/test/java/org/keycloak/client/registration/cli/util/ReflectionUtilTest.java
new file mode 100644
index 0000000..2a20e54
--- /dev/null
+++ b/integration/client-cli/client-registration-cli/src/test/java/org/keycloak/client/registration/cli/util/ReflectionUtilTest.java
@@ -0,0 +1,355 @@
+package org.keycloak.client.registration.cli.util;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.keycloak.client.registration.cli.common.AttributeKey;
+import org.keycloak.client.registration.cli.common.AttributeKey.Component;
+import org.keycloak.client.registration.cli.common.AttributeOperation;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import static org.keycloak.client.registration.cli.common.AttributeOperation.Type.DELETE;
+import static org.keycloak.client.registration.cli.common.AttributeOperation.Type.SET;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class ReflectionUtilTest {
+
+    @Ignore
+    @Test
+    public void testListAttributes() {
+        LinkedHashMap<String, String> items = null;
+/*
+        items = getAttributeListWithJSonTypes(Data.class, new AttributeKey(""));
+
+        for (Map.Entry<String, String> item: items.entrySet()) {
+            System.out.printf("%-40s %s\n", item.getKey(), item.getValue());
+        }
+*/
+/*
+        System.out.println("\n-- nested ------------------------\n");
+
+        items = getAttributeListWithJSonTypes(Data.class, new AttributeKey("nested"));
+        for (Map.Entry<String, String> item: items.entrySet()) {
+            System.out.printf("%-40s %s\n", item.getKey(), item.getValue());
+        }
+*/
+
+        System.out.println("\n-- dataList ----------------------\n");
+
+        items = ReflectionUtil.getAttributeListWithJSonTypes(Data.class, new AttributeKey("dataList"));
+        for (Map.Entry<String, String> item: items.entrySet()) {
+            System.out.printf("%-40s %s\n", item.getKey(), item.getValue());
+        }
+
+        if (items.size() == 0) {
+            Field f = ReflectionUtil.resolveField(Data.class, new AttributeKey("dataList"));
+            String ts = ReflectionUtil.getTypeString(null, f);
+            Type t = f.getGenericType();
+            if ((List.class.isAssignableFrom(f.getType()) || f.getType().isArray()) && t instanceof ParameterizedType) {
+                System.out.printf("%s, where object is:\n", ts);
+            }
+            t = ((ParameterizedType) t).getActualTypeArguments()[0];
+            if (t instanceof Class) {
+                items = ReflectionUtil.getAttributeListWithJSonTypes((Class) t, null);
+                for (Map.Entry<String, String> item: items.entrySet()) {
+                    System.out.printf("   %-37s %s\n", item.getKey(), item.getValue());
+                }
+            }
+        }
+    }
+
+    @Test
+    public void testSettingAttibutes() {
+        Data data = new Data();
+
+        LinkedList<AttributeOperation> attrs = new LinkedList<>();
+
+        attrs.add(new AttributeOperation(SET, "longAttr", "42"));
+        attrs.add(new AttributeOperation(SET, "strAttr", "not null"));
+        attrs.add(new AttributeOperation(SET, "strList+", "two"));
+        attrs.add(new AttributeOperation(SET, "strList+", "three"));
+        attrs.add(new AttributeOperation(SET, "strList[0]+", "one"));
+        attrs.add(new AttributeOperation(SET, "config", "{\"key1\": \"value1\"}"));
+        attrs.add(new AttributeOperation(SET, "config.key2", "value2"));
+        attrs.add(new AttributeOperation(SET, "nestedConfig", "{\"key1\": {\"sub key1\": \"sub value1\"}}"));
+        attrs.add(new AttributeOperation(SET, "nestedConfig.key1.\"sub key2\"", "sub value2"));
+        attrs.add(new AttributeOperation(SET, "nested.strList", "[1,2,3,4]"));
+        attrs.add(new AttributeOperation(SET, "nested.dataList+", "{\"baseAttr\": \"item1\", \"strList\": [\"confidential\", \"public\"]}"));
+        attrs.add(new AttributeOperation(SET, "nested.dataList+", "{\"baseAttr\": \"item2\", \"strList\": [\"external\"]}"));
+        attrs.add(new AttributeOperation(SET, "nested.dataList[1].baseAttr", "changed item2"));
+        attrs.add(new AttributeOperation(SET, "nested.nested.strList", "[\"first\",\"second\"]"));
+        attrs.add(new AttributeOperation(DELETE, "nested.strList[1]"));
+        attrs.add(new AttributeOperation(SET, "nested.nested.nested", "{\"baseAttr\": \"NEW VALUE\", \"strList\": [true, false]}"));
+        attrs.add(new AttributeOperation(SET, "nested.strAttr", "NOT NULL"));
+        attrs.add(new AttributeOperation(DELETE, "nested.strAttr"));
+
+        ReflectionUtil.setAttributes(data, attrs);
+
+        Assert.assertEquals("longAttr", Long.valueOf(42), data.getLongAttr());
+        Assert.assertEquals("strAttr", "not null", data.getStrAttr());
+        Assert.assertEquals("strList", Arrays.asList("one", "two", "three"), data.getStrList());
+
+        Map<String, String> expectedMap = new HashMap<>();
+        expectedMap.put("key1", "value1");
+        expectedMap.put("key2", "value2");
+        Assert.assertEquals("config", expectedMap, data.getConfig());
+
+
+        expectedMap = new HashMap<>();
+        expectedMap.put("sub key1", "sub value1");
+        expectedMap.put("sub key2", "sub value2");
+
+        Assert.assertNotNull("nestedConfig", data.getNestedConfig());
+        Assert.assertEquals("nestedConfig has one element", 1, data.getNestedConfig().size());
+        Assert.assertEquals("nestedConfig.key1", expectedMap, data.getNestedConfig().get("key1"));
+
+
+        Data nested = data.getNested();
+        Assert.assertEquals("nested.strAttr", null, nested.getStrAttr());
+        Assert.assertEquals("nested.strList", Arrays.asList("1", "3", "4"), nested.getStrList());
+        Assert.assertEquals("nested.dataList[0].baseAttr", "item1", nested.getDataList().get(0).getBaseAttr());
+        Assert.assertEquals("nested.dataList[0].strList", Arrays.asList("confidential", "public"), nested.getDataList().get(0).getStrList());
+        Assert.assertEquals("nested.dataList[1].baseAttr", "changed item2", nested.getDataList().get(1).getBaseAttr());
+        Assert.assertEquals("nested.dataList[1].strList", Arrays.asList("external"), nested.getDataList().get(1).getStrList());
+
+        nested = nested.getNested();
+        Assert.assertEquals("nested.nested.strList", Arrays.asList("first", "second"), nested.getStrList());
+
+        nested = nested.getNested();
+        Assert.assertEquals("nested.nested.nested.baseAttr", "NEW VALUE", nested.getBaseAttr());
+        Assert.assertEquals("nested.nested.nested.strList", Arrays.asList("true", "false"), nested.getStrList());
+    }
+
+    @Test
+    public void testKeyParsing() {
+
+        assertAttributeKey(new AttributeKey("am.bam.pet"), "am", -1, "bam", -1, "pet", -1);
+
+        assertAttributeKey(new AttributeKey("a"), "a", -1);
+
+        assertAttributeKey(new AttributeKey("a.b"), "a", -1, "b", -1);
+
+        assertAttributeKey(new AttributeKey("a.b[1]"), "a", -1, "b", 1);
+
+        assertAttributeKey(new AttributeKey("a[12].b"), "a", 12, "b", -1);
+
+        assertAttributeKey(new AttributeKey("a[10].b[20]"), "a", 10, "b", 20);
+
+        assertAttributeKey(new AttributeKey("\"am\".\"bam\".\"pet\""), "am", -1, "bam", -1, "pet", -1);
+
+        assertAttributeKey(new AttributeKey("\"am\".bam.\"pet\""), "am", -1, "bam", -1, "pet", -1);
+
+        assertAttributeKey(new AttributeKey("\"am.bam\".\"pet\""), "am.bam", -1, "pet", -1);
+
+        assertAttributeKey(new AttributeKey("\"am.bam[2]\".\"pet[6]\""), "am.bam", 2, "pet", 6);
+
+        try {
+            new AttributeKey("a.");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+
+        try {
+            new AttributeKey("a[]");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+
+        try {
+            new AttributeKey("a[lala]");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+
+        try {
+            new AttributeKey("a[\"lala\"]");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+
+        try {
+            new AttributeKey(".a");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+
+        try {
+            new AttributeKey("\"am\"..\"bam\".\"pet\"");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+
+        try {
+            new AttributeKey("\"am\"ups.\"bam\".\"pet\"");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+
+        try {
+            new AttributeKey("ups\"am\"ups.\"bam\".\"pet\"");
+
+            Assert.fail("Should have failed");
+        } catch (RuntimeException expected) {
+        }
+    }
+
+    private void assertAttributeKey(AttributeKey key, Object ... args) {
+        Iterator<Component> it = key.getComponents().iterator();
+
+        for (int i = 0; i < args.length; i++) {
+            String name = String.valueOf(args[i++]);
+            int idx = Integer.valueOf(String.valueOf(args[i]));
+
+            Component component = it.next();
+            Assert.assertEquals(name, component.getName());
+            Assert.assertEquals(idx, component.getIndex());
+        }
+    }
+
+
+    public static class BaseData {
+
+        String baseAttr;
+
+        public String getBaseAttr() {
+            return baseAttr;
+        }
+
+        public void setBaseAttr(String baseAttr) {
+            this.baseAttr = baseAttr;
+        }
+    }
+
+    public static class Data extends BaseData {
+
+        String strAttr;
+
+        Integer intAttr;
+
+        Long longAttr;
+
+        Boolean boolAttr;
+
+        List<String> strList;
+
+        List<Integer> intList;
+
+        List<Data> dataList;
+
+        List<List<String>> deepList;
+
+        Data nested;
+
+        Map<String, String> config;
+
+        Map<String, Map<String, Data>> nestedConfig;
+
+
+        public String getStrAttr() {
+            return strAttr;
+        }
+
+        public void setStrAttr(String strAttr) {
+            this.strAttr = strAttr;
+        }
+
+        public Integer getIntAttr() {
+            return intAttr;
+        }
+
+        public void setIntAttr(Integer intAttr) {
+            this.intAttr = intAttr;
+        }
+
+        public Long getLongAttr() {
+            return longAttr;
+        }
+
+        public void setLongAttr(Long longAttr) {
+            this.longAttr = longAttr;
+        }
+
+        public Boolean getBoolAttr() {
+            return boolAttr;
+        }
+
+        public void setBoolAttr(Boolean boolAttr) {
+            this.boolAttr = boolAttr;
+        }
+
+        public List<String> getStrList() {
+            return strList;
+        }
+
+        public void setStrList(List<String> strList) {
+            this.strList = strList;
+        }
+
+        public List<Integer> getIntList() {
+            return intList;
+        }
+
+        public void setIntList(List<Integer> intList) {
+            this.intList = intList;
+        }
+
+        public List<Data> getDataList() {
+            return dataList;
+        }
+
+        public void setDataList(List<Data> dataList) {
+            this.dataList = dataList;
+        }
+
+        public Data getNested() {
+            return nested;
+        }
+
+        public void setNested(Data nested) {
+            this.nested = nested;
+        }
+
+        public List<List<String>> getDeepList() {
+            return deepList;
+        }
+
+        public void setDeepList(List<List<String>> deepList) {
+            this.deepList = deepList;
+        }
+
+        public void setConfig(Map<String, String> config) {
+            this.config = config;
+        }
+
+        public Map<String, String> getConfig() {
+            return config;
+        }
+
+        public void setNestedConfig(Map<String, Map<String, Data>> nestedConfig) {
+            this.nestedConfig = nestedConfig;
+        }
+
+        public Map<String, Map<String, Data>> getNestedConfig() {
+            return nestedConfig;
+        }
+    }
+}
\ No newline at end of file
diff --git a/integration/pom.xml b/integration/pom.xml
index a635afb..bcbe812 100755
--- a/integration/pom.xml
+++ b/integration/pom.xml
@@ -33,5 +33,6 @@
     <modules>
         <module>admin-client</module>
         <module>client-registration</module>
+        <module>client-cli</module>
     </modules>
 </project>

pom.xml 11(+11 -0)

diff --git a/pom.xml b/pom.xml
index d928b9c..d6e110f 100755
--- a/pom.xml
+++ b/pom.xml
@@ -1305,6 +1305,17 @@
                 <version>${project.version}</version>
                 <type>war</type>
             </dependency>
+            <dependency>
+                <groupId>org.keycloak</groupId>
+                <artifactId>keycloak-client-registration-cli</artifactId>
+                <version>${project.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.keycloak</groupId>
+                <artifactId>keycloak-client-cli-dist</artifactId>
+                <version>${project.version}</version>
+                <type>zip</type>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/testsuite/integration-arquillian/tests/base/pom.xml b/testsuite/integration-arquillian/tests/base/pom.xml
index 687710e..10a0f74 100644
--- a/testsuite/integration-arquillian/tests/base/pom.xml
+++ b/testsuite/integration-arquillian/tests/base/pom.xml
@@ -32,6 +32,8 @@
     <description></description>
 
     <properties>
+        <cli.log.output>false</cli.log.output>
+        <test.intermittent>false</test.intermittent>
         <exclude.test>-</exclude.test>
         <exclude.console>-</exclude.console>
         <exclude.account>-</exclude.account>
@@ -149,7 +151,30 @@
                     </execution>
                 </executions>
             </plugin>
-            
+
+            <plugin>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>unpack-client-cli-dist</id>
+                        <phase>generate-test-resources</phase>
+                        <goals>
+                            <goal>unpack</goal>
+                        </goals>
+                        <configuration>
+                            <artifactItems>
+                                <artifactItem>
+                                    <groupId>org.keycloak</groupId>
+                                    <artifactId>keycloak-client-cli-dist</artifactId>
+                                    <version>${project.version}</version>
+                                    <type>zip</type>
+                                    <outputDirectory>${containers.home}</outputDirectory>
+                                </artifactItem>
+                            </artifactItems>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
 
     </build>
diff --git a/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/ExecutionException.java b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/ExecutionException.java
new file mode 100644
index 0000000..986f486
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/ExecutionException.java
@@ -0,0 +1,27 @@
+package org.keycloak.testsuite.cli;
+
+/**
+ * @author <a href="mailto:marko.strukelj@gmail.com">Marko Strukelj</a>
+ */
+public class ExecutionException extends RuntimeException {
+
+    private int exitCode = -1;
+
+    public ExecutionException(int exitCode) {
+        this.exitCode = exitCode;
+    }
+
+    public ExecutionException(String message, int exitCode) {
+        super(message);
+        this.exitCode = exitCode;
+    }
+
+    public int exitCode() {
+        return exitCode;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + ", exitCode: " + exitCode;
+    }
+}
diff --git a/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/KcRegExec.java b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/KcRegExec.java
new file mode 100644
index 0000000..5f20c2a
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/KcRegExec.java
@@ -0,0 +1,487 @@
+package org.keycloak.testsuite.cli;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FilterOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.InterruptedIOException;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegExec {
+
+    public static final String WORK_DIR = System.getProperty("user.dir") + "/target/containers/keycloak-client-tools";
+
+    public static final OsArch OS_ARCH = OsUtils.determineOSAndArch();
+
+    public static final String CMD = OS_ARCH.isWindows() ? "kcreg.bat" : "kcreg.sh";
+
+    private long waitTimeout = 30000;
+
+    private Process process;
+
+    private int exitCode = -1;
+
+    private boolean logStreams = Boolean.valueOf(System.getProperty("cli.log.output", "true"));
+
+    private boolean dumpStreams;
+
+    private String workDir = WORK_DIR;
+
+    private String env;
+
+    private String argsLine;
+
+    private ByteArrayOutputStream stdout = new ByteArrayOutputStream();
+
+    private ByteArrayOutputStream stderr = new ByteArrayOutputStream();
+
+    private InputStream stdin = new InteractiveInputStream();
+
+    private Throwable err;
+
+    private KcRegExec(String workDir, String argsLine, InputStream stdin) {
+        this(workDir, argsLine, null, stdin);
+    }
+
+    private KcRegExec(String workDir, String argsLine, String env, InputStream stdin) {
+        if (workDir != null) {
+            this.workDir = workDir;
+        }
+
+        this.argsLine = argsLine;
+        this.env = env;
+
+        if (stdin != null) {
+            this.stdin = stdin;
+        }
+    }
+
+    public static Builder newBuilder() {
+        return new Builder();
+    }
+
+    public static KcRegExec execute(String args) {
+        return newBuilder()
+                .argsLine(args)
+                .execute();
+    }
+
+    public void execute() {
+        executeAsync();
+        if (err == null) {
+            waitCompletion();
+        }
+    }
+
+
+    public void executeAsync() {
+
+        try {
+            if (OS_ARCH.isWindows()) {
+                String cmd = (env != null ? "set " + env + " & " : "") + "bin\\" + CMD + " " + fixQuotes(argsLine);
+                System.out.println("Executing: cmd.exe /c " + cmd);
+                process = Runtime.getRuntime().exec(new String[]{"cmd.exe", "/c", cmd}, null, new File(workDir));
+            } else {
+                String cmd = (env != null ? env + " " : "") + "bin/" + CMD + " " + argsLine;
+                System.out.println("Executing: sh -c " + cmd);
+                process = Runtime.getRuntime().exec(new String[]{"sh", "-c", cmd}, null, new File(workDir));
+            }
+
+            new StreamReaderThread(process.getInputStream(), logStreams ? new LoggingOutputStream("STDOUT", stdout) : stdout)
+                    .start();
+
+            new StreamReaderThread(process.getErrorStream(), logStreams ? new LoggingOutputStream("STDERR", stderr) : stderr)
+                    .start();
+
+            new StreamReaderThread(stdin, process.getOutputStream())
+                    .start();
+
+        } catch (Throwable t) {
+            err = t;
+        }
+    }
+
+    private String fixQuotes(String argsLine) {
+        argsLine = argsLine + " ";
+        argsLine = argsLine.replaceAll("\"", "\\\\\"");
+        argsLine = argsLine.replaceAll(" '", " \"");
+        argsLine = argsLine.replaceAll("' ", "\" ");
+        return argsLine;
+    }
+
+    public void waitCompletion() {
+
+        //if (stdin instanceof InteractiveInputStream) {
+        //    ((InteractiveInputStream) stdin).close();
+        //}
+        try {
+            if (process.waitFor(waitTimeout, TimeUnit.MILLISECONDS)) {
+                exitCode = process.exitValue();
+                if (exitCode != 0) {
+                    dumpStreams = true;
+                }
+            } else {
+                if (process.isAlive()) {
+                    process.destroyForcibly();
+                }
+                throw new RuntimeException("Timeout after " + (waitTimeout / 1000) + " seconds.");
+            }
+        } catch (InterruptedException e) {
+            dumpStreams = true;
+            throw new RuntimeException("Interrupted ...", e);
+        } catch (Throwable t) {
+            dumpStreams = true;
+            err = t;
+        } finally {
+            if (!logStreams && dumpStreams) try {
+                System.out.println("STDOUT: ");
+                copyStream(new ByteArrayInputStream(stdout.toByteArray()), System.out);
+                System.out.println("STDERR: ");
+                copyStream(new ByteArrayInputStream(stderr.toByteArray()), System.out);
+            } catch (Exception ignored) {
+            }
+        }
+    }
+
+    public int exitCode() {
+        return exitCode;
+    }
+
+    public Throwable error() {
+        return err;
+    }
+
+    public InputStream stdout() {
+        return new ByteArrayInputStream(stdout.toByteArray());
+    }
+
+    public List<String> stdoutLines() {
+        return parseStreamAsLines(new ByteArrayInputStream(stdout.toByteArray()));
+    }
+
+    public String stdoutString() {
+        return new String(stdout.toByteArray());
+    }
+
+    public InputStream stderr() {
+        return new ByteArrayInputStream(stderr.toByteArray());
+    }
+
+    public List<String> stderrLines() {
+        return parseStreamAsLines(new ByteArrayInputStream(stderr.toByteArray()));
+    }
+
+    public String stderrString() {
+        return new String(stderr.toByteArray());
+    }
+
+    static List<String> parseStreamAsLines(InputStream stream) {
+        List<String> lines = new ArrayList<>();
+        try {
+            BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+
+            String line;
+            while ((line = reader.readLine()) != null) {
+                lines.add(line);
+            }
+            return lines;
+        } catch (IOException e) {
+            throw new RuntimeException("Unexpected I/O error", e);
+        }
+    }
+
+    public void waitForStdout(String content) {
+        long start = System.currentTimeMillis();
+        while (System.currentTimeMillis() - start < waitTimeout) {
+            if (stdoutString().indexOf(content) != -1) {
+                return;
+            }
+            try {
+                Thread.sleep(10);
+            } catch (InterruptedException e) {
+                throw new RuntimeException("Interrupted ...", e);
+            }
+        }
+
+        throw new RuntimeException("Timed while waiting for content to appear in stdout");
+    }
+
+    public void sendToStdin(String s) {
+        if (stdin instanceof InteractiveInputStream) {
+            ((InteractiveInputStream) stdin).pushBytes(s.getBytes());
+        } else {
+            throw new RuntimeException("Can't push to stdin - not interactive");
+        }
+    }
+
+    static class StreamReaderThread extends Thread {
+
+        private InputStream is;
+        private OutputStream os;
+
+        StreamReaderThread(InputStream is, OutputStream os) {
+            this.is = is;
+            this.os = os;
+        }
+
+        public void run() {
+            try {
+                copyStream(is, os);
+            } catch (IOException e) {
+                throw new RuntimeException("Unexpected I/O error", e);
+            } finally {
+                try {
+                    os.close();
+                } catch (IOException ignored) {
+                    System.err.print("IGNORED: error while closing output stream: ");
+                    ignored.printStackTrace();
+                }
+            }
+        }
+    }
+
+    static void copyStream(InputStream is, OutputStream os) throws IOException {
+        byte [] buf = new byte[8192];
+
+        try (InputStream iss = is) {
+            int c;
+            while ((c = iss.read(buf)) != -1) {
+                os.write(buf, 0, c);
+                os.flush();
+            }
+        }
+    }
+
+    public static class Builder {
+
+        private String workDir;
+        private String argsLine;
+        private InputStream stdin;
+        private String env;
+        private boolean dumpStreams;
+
+        public Builder workDir(String path) {
+            this.workDir = path;
+            return this;
+        }
+
+        public Builder argsLine(String cmd) {
+            this.argsLine = cmd;
+            return this;
+        }
+
+        public Builder stdin(InputStream is) {
+            this.stdin = is;
+            return this;
+        }
+
+        public Builder env(String env) {
+            this.env = env;
+            return this;
+        }
+
+        public Builder fullStreamDump() {
+            this.dumpStreams = true;
+            return this;
+        }
+
+        public KcRegExec execute() {
+            KcRegExec exe = new KcRegExec(workDir, argsLine, env, stdin);
+            exe.dumpStreams = dumpStreams;
+            exe.execute();
+            return exe;
+        }
+
+        public KcRegExec executeAsync() {
+            KcRegExec exe = new KcRegExec(workDir, argsLine, env, stdin);
+            exe.dumpStreams = dumpStreams;
+            exe.executeAsync();
+            return exe;
+        }
+    }
+
+    static class NullInputStream extends InputStream {
+
+        @Override
+        public int read() throws IOException {
+            return -1;
+        }
+    }
+
+    static class InteractiveInputStream extends InputStream {
+
+        private LinkedList<Byte> queue = new LinkedList<>();
+
+        private Thread consumer;
+
+        private boolean closed;
+
+        @Override
+        public int read(byte b[]) throws IOException {
+            return read(b, 0, b.length);
+        }
+
+        @Override
+        public synchronized int read(byte[] b, int off, int len) throws IOException {
+
+            Byte current = null;
+            int rc = 0;
+            try {
+                consumer = Thread.currentThread();
+
+                do {
+                    current = queue.poll();
+                    if (current == null) {
+                        if (rc > 0) {
+                            return rc;
+                        } else {
+                            do {
+                                if (closed) {
+                                    return -1;
+                                }
+                                wait();
+                            }
+                            while ((current = queue.poll()) == null);
+                        }
+                    }
+
+                    b[off + rc] = current;
+                    rc++;
+                } while (rc < len);
+
+            } catch (InterruptedException e) {
+                throw new InterruptedIOException("Signalled to exit");
+            } finally {
+                consumer = null;
+            }
+            return rc;
+        }
+
+        @Override
+        public long skip(long n) throws IOException {
+            return super.skip(n);
+        }
+
+        @Override
+        public int available() throws IOException {
+            return super.available();
+        }
+
+        @Override
+        public synchronized void mark(int readlimit) {
+            super.mark(readlimit);
+        }
+
+        @Override
+        public synchronized void reset() throws IOException {
+            super.reset();
+        }
+
+        @Override
+        public boolean markSupported() {
+            return super.markSupported();
+        }
+
+        @Override
+        public synchronized int read() throws IOException {
+            if (closed) {
+                return -1;
+            }
+
+            // when input is available pass it on
+            Byte current;
+            try {
+                consumer = Thread.currentThread();
+
+                while ((current = queue.poll()) == null) {
+                    wait();
+                    if (closed) {
+                        return -1;
+                    }
+                }
+
+            } catch (InterruptedException e) {
+                throw new InterruptedIOException("Signalled to exit");
+            } finally {
+                consumer = null;
+            }
+            return current;
+        }
+
+        @Override
+        public synchronized void close() {
+            closed = true;
+            new RuntimeException("IIS || close").printStackTrace();
+            if (consumer != null) {
+                consumer.interrupt();
+            }
+        }
+
+        public synchronized void pushBytes(byte [] buff) {
+            for (byte b : buff) {
+                queue.add(b);
+            }
+            notify();
+        }
+    }
+
+
+    static class LoggingOutputStream extends FilterOutputStream {
+
+        private ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+        private String name;
+
+        public LoggingOutputStream(String name, OutputStream os) {
+            super(os);
+            this.name = name;
+        }
+
+        @Override
+        public void write(int b) throws IOException {
+            super.write(b);
+            if (b == 10) {
+                log();
+            } else {
+                buffer.write(b);
+            }
+        }
+
+        @Override
+        public void write(byte[] buf) throws IOException {
+            write(buf, 0, buf.length);
+        }
+
+        @Override
+        public void write(byte[] buf, int offs, int len) throws IOException {
+            for (int i = 0; i < len; i++) {
+                write(buf[offs+i]);
+            }
+        }
+
+        @Override
+        public void close() throws IOException {
+            super.close();
+            if (buffer.size() > 0) {
+                log();
+            }
+        }
+
+        private void log() {
+            String log = new String(buffer.toByteArray());
+            buffer.reset();
+            System.out.println("[" + name + "] " + log);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/OsArch.java b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/OsArch.java
new file mode 100644
index 0000000..cdd6b86
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/OsArch.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.keycloak.testsuite.cli;
+
+/**
+ * @author <a href="mailto:marko.strukelj@gmail.com">Marko Strukelj</a>
+ */
+public class OsArch {
+
+    private String os;
+    private String arch;
+    private boolean legacy;
+
+    public OsArch(String os, String arch) {
+        this(os, arch, false);
+    }
+
+    public OsArch(String os, String arch, boolean legacy) {
+        this.os = os;
+        this.arch = arch;
+        this.legacy = legacy;
+    }
+
+    public String os() {
+        return os;
+    }
+
+    public String arch() {
+        return arch;
+    }
+
+    public boolean isLegacy() {
+        return legacy;
+    }
+
+    public boolean isWindows() {
+        return "win32".equals(os);
+    }
+}
\ No newline at end of file
diff --git a/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/OsUtils.java b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/OsUtils.java
new file mode 100644
index 0000000..4944603
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/main/java/org/keycloak/testsuite/cli/OsUtils.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.keycloak.testsuite.cli;
+
+/**
+ * @author <a href="mailto:marko.strukelj@gmail.com">Marko Strukelj</a>
+ */
+public class OsUtils {
+
+    public static OsArch determineOSAndArch() {
+        String os = System.getProperty("os.name").toLowerCase();
+        String arch = System.getProperty("os.arch");
+
+        //System.out.println("OS: " + os + ", architecture: " + arch);
+        if (arch.equals("amd64")) {
+            arch = "x86_64";
+        }
+
+        if (os.startsWith("linux")) {
+            if (arch.equals("x86") || arch.equals("i386") || arch.equals("i586")) {
+                arch = "i686";
+            }
+            return new OsArch("linux", arch);
+        } else if (os.startsWith("windows")) {
+            if (arch.equals("x86")) {
+                arch = "i386";
+            }
+            if (os.indexOf("2008") != -1 || os.indexOf("2003") != -1 || os.indexOf("vista") != -1) {
+                return new OsArch("win32", arch, true);
+            } else {
+                return new OsArch("win32", arch);
+            }
+        } else if (os.startsWith("sunos")) {
+            return new OsArch("sunos5", "x86_64");
+        } else if (os.startsWith("mac os x")) {
+            return new OsArch("osx", "x86_64");
+        }
+
+        // unsupported platform
+        throw new RuntimeException("Could not determine OS and architecture for this operating system: " + os);
+    }
+}
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/AbstractKeycloakTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/AbstractKeycloakTest.java
index 5bd733c..3c82b49 100644
--- a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/AbstractKeycloakTest.java
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/AbstractKeycloakTest.java
@@ -18,6 +18,27 @@ package org.keycloak.testsuite;
 
 import org.apache.commons.configuration.ConfigurationException;
 import org.apache.commons.configuration.PropertiesConfiguration;
+import org.apache.http.ssl.SSLContexts;
+import org.keycloak.common.util.KeycloakUriBuilder;
+import org.keycloak.common.util.Time;
+import org.keycloak.testsuite.arquillian.TestContext;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.security.KeyManagementException;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import javax.net.ssl.SSLContext;
+import javax.ws.rs.NotFoundException;
 import org.jboss.arquillian.container.test.api.RunAsClient;
 import org.jboss.arquillian.drone.api.annotation.Drone;
 import org.jboss.arquillian.graphene.page.Page;
@@ -33,8 +54,6 @@ import org.keycloak.admin.client.resource.RealmResource;
 import org.keycloak.admin.client.resource.RealmsResource;
 import org.keycloak.admin.client.resource.UserResource;
 import org.keycloak.admin.client.resource.UsersResource;
-import org.keycloak.common.util.KeycloakUriBuilder;
-import org.keycloak.common.util.Time;
 import org.keycloak.models.Constants;
 import org.keycloak.representations.idm.RealmRepresentation;
 import org.keycloak.representations.idm.RequiredActionProviderRepresentation;
@@ -42,7 +61,6 @@ import org.keycloak.representations.idm.UserRepresentation;
 import org.keycloak.testsuite.admin.ApiUtil;
 import org.keycloak.testsuite.arquillian.AuthServerTestEnricher;
 import org.keycloak.testsuite.arquillian.SuiteContext;
-import org.keycloak.testsuite.arquillian.TestContext;
 import org.keycloak.testsuite.auth.page.AuthRealm;
 import org.keycloak.testsuite.auth.page.AuthServer;
 import org.keycloak.testsuite.auth.page.AuthServerContextRoot;
@@ -56,16 +74,6 @@ import org.keycloak.testsuite.util.TestEventsLogger;
 import org.keycloak.testsuite.util.WaitUtils;
 import org.openqa.selenium.WebDriver;
 
-import javax.ws.rs.NotFoundException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
 import static org.keycloak.testsuite.admin.Users.setPasswordFor;
 import static org.keycloak.testsuite.auth.page.AuthRealm.ADMIN;
 import static org.keycloak.testsuite.auth.page.AuthRealm.MASTER;
@@ -124,8 +132,12 @@ public abstract class AbstractKeycloakTest {
 
     @Before
     public void beforeAbstractKeycloakTest() throws Exception {
+        SSLContext ssl = null;
+        if ("true".equals(System.getProperty("auth.server.ssl.required"))) {
+            ssl = getSSLContextWithTrustore(new File("src/test/resources/keystore/keycloak.truststore"), "secret");
+        }
         adminClient = Keycloak.getInstance(AuthServerTestEnricher.getAuthServerContextRoot() + "/auth",
-                MASTER, ADMIN, ADMIN, Constants.ADMIN_CLI_CLIENT_ID);
+                MASTER, ADMIN, ADMIN, Constants.ADMIN_CLI_CLIENT_ID, null, ssl);
 
         getTestingClient();
 
@@ -358,4 +370,14 @@ public abstract class AbstractKeycloakTest {
         }
     }
 
+    public static SSLContext getSSLContextWithTrustore(File file, String password) throws CertificateException, NoSuchAlgorithmException, KeyStoreException, IOException, KeyManagementException {
+        if (!file.isFile()) {
+            throw new RuntimeException("Truststore file not found: " + file.getAbsolutePath());
+        }
+        SSLContext theContext = SSLContexts.custom()
+                .useProtocol("TLS")
+                .loadTrustMaterial(file, password == null ? null : password.toCharArray())
+                .build();
+        return theContext;
+    }
 }
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/AbstractCliTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/AbstractCliTest.java
new file mode 100644
index 0000000..01ef404
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/AbstractCliTest.java
@@ -0,0 +1,539 @@
+package org.keycloak.testsuite.cli.registration;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.keycloak.admin.client.resource.ClientInitialAccessResource;
+import org.keycloak.admin.client.resource.ClientRegistrationTrustedHostResource;
+import org.keycloak.admin.client.resource.RealmResource;
+import org.keycloak.authentication.authenticators.client.ClientIdAndSecretAuthenticator;
+import org.keycloak.authentication.authenticators.client.JWTClientAuthenticator;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.representations.idm.ClientInitialAccessCreatePresentation;
+import org.keycloak.representations.idm.ClientInitialAccessPresentation;
+import org.keycloak.representations.idm.ClientRegistrationTrustedHostRepresentation;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.idm.ComponentRepresentation;
+import org.keycloak.representations.idm.RealmRepresentation;
+import org.keycloak.representations.idm.UserRepresentation;
+import org.keycloak.services.clientregistration.policy.ClientRegistrationPolicy;
+import org.keycloak.services.clientregistration.policy.ClientRegistrationPolicyManager;
+import org.keycloak.services.clientregistration.policy.RegistrationAuth;
+import org.keycloak.services.clientregistration.policy.impl.TrustedHostClientRegistrationPolicyFactory;
+import org.keycloak.testsuite.AbstractKeycloakTest;
+import org.keycloak.testsuite.cli.KcRegExec;
+import org.keycloak.testsuite.util.ClientBuilder;
+import org.keycloak.testsuite.util.UserBuilder;
+import org.keycloak.util.JsonSerialization;
+
+import javax.ws.rs.core.Response;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.charset.Charset;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import static org.keycloak.testsuite.admin.AbstractAdminTest.loadJson;
+import static org.keycloak.testsuite.cli.KcRegExec.execute;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public abstract class AbstractCliTest extends AbstractKeycloakTest {
+
+    protected String serverUrl = isAuthServerSSL() ?
+            "https://localhost:" + getAuthServerHttpsPort() + "/auth" :
+            "http://localhost:" + getAuthServerHttpPort() + "/auth";
+
+
+    @Before
+    public void deleteDefaultConfig() {
+        getDefaultConfigFilePath().delete();
+    }
+
+    static boolean runIntermittentlyFailingTests() {
+        return "true".equals(System.getProperty("test.intermittent"));
+    }
+
+    static boolean isAuthServerSSL() {
+        return "true".equals(System.getProperty("auth.server.ssl.required"));
+    }
+
+    static int getAuthServerHttpsPort() {
+        try {
+            return Integer.valueOf(System.getProperty("auth.server.https.port"));
+        } catch (Exception e) {
+            throw new RuntimeException("System property 'auth.server.https.port' not set or invalid: '"
+                    + System.getProperty("auth.server.https.port") + "'");
+        }
+    }
+
+    static int getAuthServerHttpPort() {
+        try {
+            return Integer.valueOf(System.getProperty("auth.server.http.port"));
+        } catch (Exception e) {
+            throw new RuntimeException("System property 'auth.server.http.port' not set or invalid: '"
+                    + System.getProperty("auth.server.http.port") + "'");
+        }
+    }
+
+    static File getDefaultConfigFilePath() {
+        return new File(System.getProperty("user.home") + "/.keycloak/kcreg.config");
+    }
+
+
+    @Override
+    public void addTestRealms(List<RealmRepresentation> testRealms) {
+        RealmRepresentation realmRepresentation = loadJson(getClass().getResourceAsStream("/testrealm.json"), RealmRepresentation.class);
+        testRealms.add(realmRepresentation);
+
+        // create admin user account with permissions to manage clients
+        UserRepresentation admin = UserBuilder.create()
+                .username("user1")
+                .password("userpass")
+                .enabled(true)
+                .build();
+        HashMap<String, List<String>> clientRoles = new HashMap<>();
+        clientRoles.put("realm-management", Arrays.asList("manage-clients"));
+        admin.setClientRoles(clientRoles);
+        realmRepresentation.getUsers().add(admin);
+
+
+
+        // create client with service account to use Signed JWT credentials with
+        ClientRepresentation regClient = ClientBuilder.create()
+                .clientId("reg-cli-jwt")
+                .attribute(JWTClientAuthenticator.CERTIFICATE_ATTR, "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")
+                .authenticatorType(JWTClientAuthenticator.PROVIDER_ID)
+                .serviceAccount()
+                .build();
+
+        realmRepresentation.getClients().add(regClient);
+
+        // create service account for client reg-cli with permissions to manage clients
+        addServiceAccount(realmRepresentation, "reg-cli-jwt");
+
+
+
+        // create client to use with user account - enable direct grants
+        regClient = ClientBuilder.create()
+                .clientId("reg-cli-jwt-direct")
+                .attribute(JWTClientAuthenticator.CERTIFICATE_ATTR, "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")
+                .authenticatorType(JWTClientAuthenticator.PROVIDER_ID)
+                .directAccessGrants()
+                .build();
+
+        realmRepresentation.getClients().add(regClient);
+
+
+
+
+        // create client with service account to use client secret with
+        regClient = ClientBuilder.create()
+                .clientId("reg-cli-secret")
+                .secret("password")
+                .authenticatorType(ClientIdAndSecretAuthenticator.PROVIDER_ID)
+                .serviceAccount()
+                .build();
+
+        realmRepresentation.getClients().add(regClient);
+
+        // create service account for client reg-cli with permissions to manage clients
+        addServiceAccount(realmRepresentation, "reg-cli-secret");
+
+
+
+
+        // create client to use with user account - enable direct grants
+        regClient = ClientBuilder.create()
+                .clientId("reg-cli-secret-direct")
+                .secret("password")
+                .authenticatorType(ClientIdAndSecretAuthenticator.PROVIDER_ID)
+                .directAccessGrants()
+                .build();
+
+        realmRepresentation.getClients().add(regClient);
+
+    }
+
+
+    void loginAsUser(File configFile, String server, String realm, String user, String password) {
+
+        KcRegExec exe = execute("config credentials --server " + server + " --realm " + realm +
+                " --user " + user + " --password " + password + " --config " + configFile.getAbsolutePath());
+
+        Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+        List<String> lines = exe.stdoutLines();
+        Assert.assertTrue("stdout output empty", lines.size() == 0);
+
+        lines = exe.stderrLines();
+        Assert.assertTrue("stderr output one line", lines.size() == 1);
+        Assert.assertEquals("stderr first line", "Logging into " + server + " as user " + user + " of realm " + realm, lines.get(0));
+    }
+
+    void assertFieldsEqualWithExclusions(ConfigData config1, ConfigData config2, String ... excluded) {
+
+        HashSet<String> exclusions = new HashSet<>(Arrays.asList(excluded));
+
+        if (!exclusions.contains("serverUrl")) {
+            Assert.assertEquals("serverUrl", config1.getServerUrl(), config2.getServerUrl());
+        }
+        if (!exclusions.contains("realm")) {
+            Assert.assertEquals("realm", config1.getRealm(), config2.getRealm());
+        }
+        if (!exclusions.contains("truststore")) {
+            Assert.assertEquals("truststore", config1.getTruststore(), config2.getTruststore());
+        }
+        if (!exclusions.contains("endpoints")) {
+            Map<String, Map<String, RealmConfigData>> endp1 = config1.getEndpoints();
+            Map<String, Map<String, RealmConfigData>> endp2 = config2.getEndpoints();
+
+            Iterator<Map.Entry<String, Map<String, RealmConfigData>>> it1 = endp1.entrySet().iterator();
+            Iterator<Map.Entry<String, Map<String, RealmConfigData>>> it2 = endp2.entrySet().iterator();
+
+            while (it1.hasNext()) {
+                Map.Entry<String, Map<String, RealmConfigData>> ent1 = it1.next();
+                Map.Entry<String, Map<String, RealmConfigData>> ent2 = it2.next();
+
+                String serverUrl = ent1.getKey();
+                String endpskey = "endpoints." + serverUrl;
+                if (!exclusions.contains(endpskey)) {
+                    Assert.assertEquals(endpskey, ent1.getKey(), ent2.getKey());
+
+                    Map<String, RealmConfigData> realms1 = ent1.getValue();
+                    Map<String, RealmConfigData> realms2 = ent2.getValue();
+
+                    Iterator<Map.Entry<String, RealmConfigData>> rit1 = realms1.entrySet().iterator();
+                    Iterator<Map.Entry<String, RealmConfigData>> rit2 = realms2.entrySet().iterator();
+
+                    while (rit1.hasNext()) {
+                        Map.Entry<String, RealmConfigData> rent1 = rit1.next();
+                        Map.Entry<String, RealmConfigData> rent2 = rit2.next();
+
+                        String realm = rent1.getKey();
+                        String rkey = endpskey + "." + realm;
+                        if (!exclusions.contains(endpskey)) {
+                            Assert.assertEquals(rkey, rent1.getKey(), rent2.getKey());
+
+                            RealmConfigData rdata1 = rent1.getValue();
+                            RealmConfigData rdata2 = rent2.getValue();
+
+                            assertFieldsEqualWithExclusions(serverUrl, realm, rdata1, rdata2, excluded);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    void assertFieldsEqualWithExclusions(RealmConfigData data1, RealmConfigData data2, String ... excluded) {
+        assertFieldsEqualWithExclusions(null, null, data1, data2, excluded);
+    }
+
+    void assertFieldsEqualWithExclusions(String server, String realm, RealmConfigData data1, RealmConfigData data2, String ... excluded) {
+
+        HashSet<String> exclusions = new HashSet<>(Arrays.asList(excluded));
+
+        String pfix = "";
+        if (server != null || realm != null) {
+            pfix = "endpoints." + server + "." + realm + ".";
+        }
+
+        String ekey = pfix + "serverUrl";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.serverUrl(), data2.serverUrl());
+        }
+
+        ekey = pfix + "realm";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.realm(), data2.realm());
+        }
+
+        ekey = pfix + "clientId";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getClientId(), data2.getClientId());
+        }
+
+        ekey = pfix + "initialToken";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getInitialToken(), data2.getInitialToken());
+        }
+
+        ekey = pfix + "token";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getToken(), data2.getToken());
+        }
+
+        ekey = pfix + "refreshToken";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getRefreshToken(), data2.getRefreshToken());
+        }
+
+        ekey = pfix + "expiresAt";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getExpiresAt(), data2.getExpiresAt());
+        }
+
+        ekey = pfix + "refreshExpiresAt";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getRefreshExpiresAt(), data2.getRefreshExpiresAt());
+        }
+
+        ekey = pfix + "secret";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getSecret(), data2.getSecret());
+        }
+
+        ekey = pfix + "signingToken";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getSigningToken(), data2.getSigningToken());
+        }
+
+        ekey = pfix + "sigExpiresAt";
+        if (!exclusions.contains(ekey)) {
+            Assert.assertEquals(ekey, data1.getSigExpiresAt(), data2.getSigExpiresAt());
+        }
+
+        ekey = pfix + "clients";
+        if (!exclusions.contains(ekey)) {
+            Map<String, String> clients1 = data1.getClients();
+            Map<String, String> clients2 = data2.getClients();
+
+            Iterator<Map.Entry<String, String>> cit1 = clients1.entrySet().iterator();
+            Iterator<Map.Entry<String, String>> cit2 = clients2.entrySet().iterator();
+
+            while (cit1.hasNext() || cit2.hasNext()) {
+                Map.Entry<String, String> ckey1 = cit1.hasNext() ? cit1.next() : null;
+                Map.Entry<String, String> ckey2 = cit2.hasNext() ? cit2.next() : null;
+
+                String ckey = ekey + "." + (ckey1 != null ? ckey1.getKey() : ckey2.getKey());
+                if (!exclusions.contains(ckey)) {
+                    Assert.assertNotNull(ckey + " left not null", ckey1);
+                    Assert.assertNotNull(ckey + " right not null", ckey2);
+                    Assert.assertEquals(ckey, ckey1.getKey(), ckey2.getKey());
+                    Assert.assertEquals(ckey + " value", ckey1.getValue(), ckey2.getValue());
+                }
+            }
+        }
+    }
+
+    void addServiceAccount(RealmRepresentation realm, String clientId) {
+
+        UserRepresentation account = UserBuilder.create()
+                .username("service-account-" + clientId)
+                .enabled(true)
+                .serviceAccountId(clientId)
+                .build();
+
+        HashMap<String, List<String>> clientRoles = new HashMap<>();
+        clientRoles.put("realm-management", Arrays.asList("manage-clients"));
+
+        account.setClientRoles(clientRoles);
+
+        realm.getUsers().add(account);
+    }
+
+
+    void waitFor(long millis) {
+        try {
+            Thread.sleep(millis);
+        } catch (InterruptedException e) {
+            throw new RuntimeException("Interrupted");
+        }
+    }
+
+
+    FileConfigHandler initCustomConfigFile() {
+        String filename = UUID.randomUUID().toString() + ".config";
+        File cfgFile = new File(KcRegExec.WORK_DIR + "/" + filename);
+        FileConfigHandler handler = new FileConfigHandler();
+        handler.setConfigFile(cfgFile.getAbsolutePath());
+        return handler;
+    }
+
+    File initTempFile(String extension) throws IOException {
+        return initTempFile(extension, null);
+    }
+
+    File initTempFile(String extension, String content) throws IOException {
+        String filename = UUID.randomUUID().toString() + extension;
+        File file = new File(KcRegExec.WORK_DIR + "/" + filename);
+        if (content != null) {
+            OutputStream os = new FileOutputStream(file);
+            os.write(content.getBytes(Charset.forName("iso_8859_1")));
+            os.close();
+        }
+        return file;
+    }
+
+    String issueInitialAccessToken(String realm) {
+        ClientInitialAccessResource resource = adminClient.realm(realm).clientInitialAccess();
+
+        ClientInitialAccessCreatePresentation rep = new ClientInitialAccessCreatePresentation();
+        rep.setCount(10);
+        rep.setExpiration(100);
+
+        ClientInitialAccessPresentation response = resource.create(rep);
+
+        String token = response.getToken();
+        Assert.assertNotNull("Issued initial access token not null", token);
+        return token;
+    }
+
+    private ComponentRepresentation findPolicyByProviderAndAuth(String realm, String providerId, String authType) {
+        // Change the policy to avoid checking hosts
+        List<ComponentRepresentation> reps = adminClient.realm(realm).components().query(realm, ClientRegistrationPolicy.class.getName());
+        for (ComponentRepresentation rep : reps) {
+            if (rep.getSubType().equals(authType) && rep.getProviderId().equals(providerId)) {
+                return rep;
+            }
+        }
+        return null;
+    }
+
+    void addLocalhostToAllowedHosts(String realm) {
+        RealmResource realmResource = adminClient.realm(realm);
+        String anonPolicy = ClientRegistrationPolicyManager.getComponentTypeKey(RegistrationAuth.ANONYMOUS);
+
+        ComponentRepresentation trustedHostRep = findPolicyByProviderAndAuth(realm, TrustedHostClientRegistrationPolicyFactory.PROVIDER_ID, anonPolicy);
+        trustedHostRep.getConfig().putSingle(TrustedHostClientRegistrationPolicyFactory.TRUSTED_HOSTS, "localhost");
+        realmResource.components().component(trustedHostRep.getId()).update(trustedHostRep);
+    }
+
+    void testCRUDWithOnTheFlyAuth(String serverUrl, String credentials, String extraOptions, String loginMessage) throws IOException {
+
+        File configFile = getDefaultConfigFilePath();
+        long lastModified = configFile.exists() ? configFile.lastModified() : 0;
+
+        // This test assumes it is the only user of any instance of on the system
+        KcRegExec exe = execute("create --no-config --server " + serverUrl +
+                " --realm test " + credentials + " " + extraOptions + " -s clientId=test-client -o");
+
+        Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+        Assert.assertEquals("login message", loginMessage, exe.stderrLines().get(0));
+
+        ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+        Assert.assertEquals("clientId", "test-client", client.getClientId());
+        Assert.assertNotNull("registrationAccessToken not null", client.getRegistrationAccessToken());
+
+        long lastModified2 = configFile.exists() ? configFile.lastModified() : 0;
+        Assert.assertEquals("config file not modified", lastModified, lastModified2);
+
+
+
+
+        exe = execute("get test-client --no-config --server " + serverUrl + " --realm test " + credentials + " " + extraOptions);
+
+        Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+        ClientRepresentation client2 = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+        Assert.assertEquals("clientId", "test-client", client2.getClientId());
+
+        // we did not provide a token, thus no registrationAccessToken is present
+        Assert.assertNull("registrationAccessToken is null", client2.getRegistrationAccessToken());
+
+        lastModified2 = configFile.exists() ? configFile.lastModified() : 0;
+        Assert.assertEquals("config file not modified", lastModified, lastModified2);
+
+
+
+
+
+        // the token works even though an intermediary invocation was performed,
+        // because the previous invocation didn't use a registration access token
+        exe = execute("get test-client --no-config --server " + serverUrl + " --realm test " + extraOptions + " -t " + client.getRegistrationAccessToken());
+
+        Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+        ClientRepresentation client3 = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+        Assert.assertEquals("clientId", "test-client", client3.getClientId());
+
+        Assert.assertNotEquals("registrationAccessToken in returned json is different than one returned by create",
+                client.getRegistrationAccessToken(), client3.getRegistrationAccessToken());
+
+        lastModified2 = configFile.exists() ? configFile.lastModified() : 0;
+        Assert.assertEquals("config file not modified", lastModified, lastModified2);
+
+
+
+
+
+
+        exe = execute("update test-client --no-config --server " + serverUrl + " --realm test " +
+                credentials + " " + extraOptions + " -s enabled=false -o --unsafe");
+
+        Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+        ClientRepresentation client4 = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+        Assert.assertEquals("clientId", "test-client", client4.getClientId());
+        Assert.assertFalse("enabled", client4.isEnabled());
+
+        Assert.assertNull("registrationAccessToken in null", client4.getRegistrationAccessToken());
+
+        lastModified2 = configFile.exists() ? configFile.lastModified() : 0;
+        Assert.assertEquals("config file not modified", lastModified, lastModified2);
+
+
+
+
+
+
+
+        exe = execute("update test-client --no-config --server " + serverUrl + " --realm test " + extraOptions +
+                " -s enabled=true -o -t " + client3.getRegistrationAccessToken());
+
+        Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+        ClientRepresentation client5 = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+        Assert.assertEquals("clientId", "test-client", client5.getClientId());
+        Assert.assertTrue("enabled", client5.isEnabled());
+
+        Assert.assertNotEquals("registrationAccessToken in returned json is different than one returned by get",
+                client3.getRegistrationAccessToken(), client5.getRegistrationAccessToken());
+
+        lastModified2 = configFile.exists() ? configFile.lastModified() : 0;
+        Assert.assertEquals("config file not modified", lastModified, lastModified2);
+
+
+
+
+
+
+
+        exe = execute("delete test-client --no-config --server " + serverUrl + " --realm test " + credentials + " " + extraOptions);
+
+        assertExitCodeAndStreamSizes(exe, 0, 0, 1);
+
+        lastModified2 = configFile.exists() ? configFile.lastModified() : 0;
+        Assert.assertEquals("config file not modified", lastModified, lastModified2);
+
+
+
+
+
+        // subsequent delete should fail
+        exe = execute("delete test-client --no-config --server " + serverUrl + " --realm test " + credentials + " " + extraOptions);
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 2);
+        Assert.assertEquals("error message", "Client not found [invalid_request]", exe.stderrLines().get(1));
+
+        lastModified2 = configFile.exists() ? configFile.lastModified() : 0;
+        Assert.assertEquals("config file not modified", lastModified, lastModified2);
+    }
+
+    void assertExitCodeAndStreamSizes(KcRegExec exe, int exitCode, int stdOutLineCount, int stdErrLineCount) {
+        Assert.assertEquals("exitCode == " + exitCode, exitCode, exe.exitCode());
+        Assert.assertTrue("stdout output has " + stdOutLineCount + " lines", exe.stdoutLines().size() == stdOutLineCount);
+        Assert.assertTrue("stderr output has " + stdErrLineCount + " lines", exe.stderrLines().size() == stdErrLineCount);
+
+    }
+}
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegConfigTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegConfigTest.java
new file mode 100644
index 0000000..bd8fc7c
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegConfigTest.java
@@ -0,0 +1,69 @@
+package org.keycloak.testsuite.cli.registration;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.testsuite.cli.KcRegExec;
+import org.keycloak.testsuite.util.TempFileResource;
+
+import java.io.IOException;
+
+import static org.keycloak.client.registration.cli.util.OsUtil.EOL;
+import static org.keycloak.testsuite.cli.KcRegExec.execute;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegConfigTest extends AbstractCliTest {
+
+    @Test
+    public void testRegistrationToken() throws IOException {
+
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+
+            // forget --server
+            KcRegExec exe = execute("config registration-token --config '" + configFile.getName() + "' ");
+            assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+            Assert.assertEquals("error message", "Required option not specified: --server", exe.stderrLines().get(0));
+
+            // forget --realm
+            exe = execute("config registration-token --config '" + configFile.getName() + "' --server http://localhost:8080/auth");
+            assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+            Assert.assertEquals("error message", "Required option not specified: --realm", exe.stderrLines().get(0));
+
+            // forget --client
+            exe = execute("config registration-token --config '" + configFile.getName() + "' --server http://localhost:8080/auth --realm test");
+            assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+            Assert.assertEquals("error message", "Required option not specified: --client", exe.stderrLines().get(0));
+
+            // specify token on cmdline
+            exe = execute("config registration-token --config '" + configFile.getName() + "' --server http://localhost:8080/auth --realm test --client my_client NEWTOKEN");
+            assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+            if (runIntermittentlyFailingTests()) {
+                // don't specify token - must be prompted for it
+                exe = KcRegExec.newBuilder()
+                        .argsLine("config registration-token --config '" + configFile.getName() + "' --server http://localhost:8080/auth --realm test --client my_client")
+                        .executeAsync();
+
+                exe.waitForStdout("Enter Registration Access Token:");
+                exe.sendToStdin("NEWTOKEN" + EOL);
+                exe.waitCompletion();
+                assertExitCodeAndStreamSizes(exe, 0, 1, 0);
+
+            } else {
+                System.out.println("TEST SKIPPED PARTIALLY - This test currently suffers from intermittent failures. Use -Dtest.intermittent=true to run it in full.");
+            }
+
+            // delete non-existent token
+            exe = execute("config registration-token --config '" + configFile.getName() + "' --server http://localhost:8080/auth --realm test --client nonexistent --delete");
+            assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+            // delete token
+            exe = execute("config registration-token --config '" + configFile.getName() + "' --server http://localhost:8080/auth --realm test --client my_client --delete");
+            assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+        }
+    }
+}
\ No newline at end of file
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegCreateTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegCreateTest.java
new file mode 100644
index 0000000..6b6cb27
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegCreateTest.java
@@ -0,0 +1,231 @@
+package org.keycloak.testsuite.cli.registration;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.oidc.OIDCClientRepresentation;
+import org.keycloak.testsuite.cli.KcRegExec;
+import org.keycloak.testsuite.util.TempFileResource;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Arrays;
+
+import static org.keycloak.testsuite.cli.KcRegExec.execute;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegCreateTest extends AbstractCliTest {
+
+    @Test
+    public void testCreateWithRealmOverride() throws IOException {
+
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+
+            // authenticate as a regular user against one realm
+            KcRegExec exe = execute("config credentials -x --config '" + configFile.getName() +
+                    "' --server " + serverUrl + " --realm master --user admin --password admin");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+            // use initial token of another realm with server, and realm override
+            String token = issueInitialAccessToken("test");
+            exe = execute("create --config '" + configFile.getName() + "' --server " + serverUrl + " --realm test -s clientId=my_first_client -t " + token);
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+        }
+    }
+
+
+    @Test
+    public void testCreateThoroughly() throws IOException {
+
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+            // set initial access token in config
+            String token = issueInitialAccessToken("test");
+
+            final String realm = "test";
+
+            KcRegExec exe = execute("config initial-token -x --config '" + configFile.getName() +
+                    "' --server " + serverUrl + " --realm " + realm + " " + token);
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+            // check that current server, realm, and initial token are saved in the file
+            ConfigData config = handler.loadConfig();
+            Assert.assertEquals("Config serverUrl", serverUrl, config.getServerUrl());
+            Assert.assertEquals("Config realm", realm, config.getRealm());
+            Assert.assertEquals("Config initial access token", token, config.ensureRealmConfigData(serverUrl, realm).getInitialToken());
+
+            // create configuration from file using stdin redirect ... output an object
+            String content = "{\n" +
+                    "        \"clientId\": \"my_client\",\n" +
+                    "        \"enabled\": true,\n" +
+                    "        \"redirectUris\": [\"http://localhost:8980/myapp/*\"],\n" +
+                    "        \"serviceAccountsEnabled\": true,\n" +
+                    "        \"name\": \"My Client App\",\n" +
+                    "        \"implicitFlowEnabled\": false,\n" +
+                    "        \"publicClient\": true,\n" +
+                    "        \"protocol\": \"leycloak-oidc\",\n" +
+                    "        \"webOrigins\": [\"http://localhost:8980/myapp\"],\n" +
+                    "        \"consentRequired\": false,\n" +
+                    "        \"baseUrl\": \"http://localhost:8980/myapp\",\n" +
+                    "        \"rootUrl\": \"http://localhost:8980/myapp\",\n" +
+                    "        \"bearerOnly\": true,\n" +
+                    "        \"standardFlowEnabled\": true\n" +
+                    "}";
+
+            try (TempFileResource tmpFile = new TempFileResource(initTempFile(".json", content))) {
+
+                exe = execute("create --config '" + configFile.getName() + "' -o -f - < '" + tmpFile.getName() + "'");
+
+                Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+                Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+                ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+                Assert.assertNotNull("id", client.getId());
+                Assert.assertEquals("clientId", "my_client", client.getClientId());
+                Assert.assertEquals("enabled", true, client.isEnabled());
+                Assert.assertEquals("redirectUris", Arrays.asList("http://localhost:8980/myapp/*"), client.getRedirectUris());
+                Assert.assertEquals("serviceAccountsEnabled", true, client.isServiceAccountsEnabled());
+                Assert.assertEquals("name", "My Client App", client.getName());
+                Assert.assertEquals("implicitFlowEnabled", false, client.isImplicitFlowEnabled());
+                Assert.assertEquals("publicClient", true, client.isPublicClient());
+                // note there is no server-side check if protocol is supported
+                Assert.assertEquals("protocol", "leycloak-oidc", client.getProtocol());
+                Assert.assertEquals("webOrigins", Arrays.asList("http://localhost:8980/myapp"), client.getWebOrigins());
+                Assert.assertEquals("consentRequired", false, client.isConsentRequired());
+                Assert.assertEquals("baseUrl", "http://localhost:8980/myapp", client.getBaseUrl());
+                Assert.assertEquals("rootUrl", "http://localhost:8980/myapp", client.getRootUrl());
+                Assert.assertEquals("bearerOnly", true, client.isStandardFlowEnabled());
+                Assert.assertFalse("mappers not empty", client.getProtocolMappers().isEmpty());
+
+                // create configuration from file as a template and override clientId and other attributes ... output an object
+                exe = execute("create --config '" + configFile.getName() + "' -o -f '" + tmpFile.getName() +
+                        "' -s clientId=my_client2 -s enabled=false -s 'redirectUris=[\"http://localhost:8980/myapp2/*\"]'" +
+                        " -s 'name=My Client App II' -s protocol=keycloak-oidc -s 'webOrigins=[\"http://localhost:8980/myapp2\"]'" +
+                        " -s baseUrl=http://localhost:8980/myapp2 -s rootUrl=http://localhost:8980/myapp2");
+
+                Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+                Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+                ClientRepresentation client2 = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+                Assert.assertNotNull("id", client2.getId());
+                Assert.assertEquals("clientId", "my_client2", client2.getClientId());
+                Assert.assertEquals("enabled", false, client2.isEnabled());
+                Assert.assertEquals("redirectUris", Arrays.asList("http://localhost:8980/myapp2/*"), client2.getRedirectUris());
+                Assert.assertEquals("serviceAccountsEnabled", true, client2.isServiceAccountsEnabled());
+                Assert.assertEquals("name", "My Client App II", client2.getName());
+                Assert.assertEquals("implicitFlowEnabled", false, client2.isImplicitFlowEnabled());
+                Assert.assertEquals("publicClient", true, client2.isPublicClient());
+                Assert.assertEquals("protocol", "keycloak-oidc", client2.getProtocol());
+                Assert.assertEquals("webOrigins", Arrays.asList("http://localhost:8980/myapp2"), client2.getWebOrigins());
+                Assert.assertEquals("consentRequired", false, client2.isConsentRequired());
+                Assert.assertEquals("baseUrl", "http://localhost:8980/myapp2", client2.getBaseUrl());
+                Assert.assertEquals("rootUrl", "http://localhost:8980/myapp2", client2.getRootUrl());
+                Assert.assertEquals("bearerOnly", true, client2.isStandardFlowEnabled());
+                Assert.assertFalse("mappers not empty", client2.getProtocolMappers().isEmpty());
+
+
+                // check that using an invalid attribute key is not ignored
+                exe = execute("create --config '" + configFile.getName() + "' -o -f '" + tmpFile.getName() + "' -s client_id=my_client3");
+
+                Assert.assertEquals("exitCode == 1", 1, exe.exitCode());
+                Assert.assertEquals("stderr has one line", 1, exe.stderrLines().size());
+                Assert.assertEquals("Failed to set attribute 'client_id' on document type 'default'", exe.stderrLines().get(0));
+            }
+
+            // simple create, output an id
+            exe = execute("create --config '" + configFile.getName() + "' -i -s clientId=my_client3");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertEquals("stderr is empty", 0, exe.stderrLines().size());
+
+            Assert.assertEquals("stdout has 1 line", 1, exe.stdoutLines().size());
+            Assert.assertEquals("only clientId returned", "my_client3", exe.stdoutLines().get(0));
+
+            // simple create, default output
+            exe = execute("create --config '" + configFile.getName() + "' -s clientId=my_client4");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertEquals("stderr has 1 line", 1, exe.stderrLines().size());
+            Assert.assertEquals("only clientId returned", "Registered new client with client_id 'my_client4'", exe.stderrLines().get(0));
+
+            Assert.assertEquals("stdout is empty", 0, exe.stdoutLines().size());
+
+
+
+            // create using oidc endpoint - autodetect format
+            content = "        {\n" +
+                    "            \"redirect_uris\" : [ \"http://localhost:8980/myapp/*\" ],\n" +
+                    "            \"grant_types\" : [ \"authorization_code\", \"client_credentials\", \"refresh_token\" ],\n" +
+                    "            \"response_types\" : [ \"code\", \"none\" ],\n" +
+                    "            \"client_name\" : \"My Client App\",\n" +
+                    "            \"client_uri\" : \"http://localhost:8980/myapp\"\n" +
+                    "        }";
+
+            try (TempFileResource tmpFile = new TempFileResource(initTempFile(".json", content))) {
+
+                exe = execute("create --config '" + configFile.getName() + "' -s 'client_name=My Client App V' " +
+                        " -s 'redirect_uris=[\"http://localhost:8980/myapp5/*\"]' -s client_uri=http://localhost:8980/myapp5" +
+                        " -o -f - < '" + tmpFile.getName() + "'");
+
+                Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+                Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+                OIDCClientRepresentation client = JsonSerialization.readValue(exe.stdout(), OIDCClientRepresentation.class);
+
+                Assert.assertNotNull("clientId", client.getClientId());
+                Assert.assertEquals("redirect_uris", Arrays.asList("http://localhost:8980/myapp5/*"), client.getRedirectUris());
+                Assert.assertEquals("grant_types", Arrays.asList("authorization_code", "client_credentials", "refresh_token"), client.getGrantTypes());
+                Assert.assertEquals("response_types", Arrays.asList("code", "none"), client.getResponseTypes());
+                Assert.assertEquals("client_name", "My Client App V", client.getClientName());
+                Assert.assertEquals("client_uri", "http://localhost:8980/myapp5", client.getClientUri());
+
+
+
+                // try use incompatible endpoint override
+                exe = execute("create --config '" + configFile.getName() + "' -e default -f '" + tmpFile.getName() + "'");
+
+                Assert.assertEquals("exitCode == 1", 1, exe.exitCode());
+                Assert.assertFalse("stderr not empty", exe.stderrLines().isEmpty());
+                Assert.assertEquals("Error message", "Attribute 'redirect_uris' not supported on document type 'default'", exe.stderrLines().get(0));
+
+            }
+
+
+            // test create saml formated xml - format autodetection
+            File samlSpMetaFile = new File(System.getProperty("user.dir") + "/src/test/resources/cli/kcreg/saml-sp-metadata.xml");
+            Assert.assertTrue("saml-sp-metadata.xml exists", samlSpMetaFile.isFile());
+
+            exe = execute("create --config '" + configFile.getName() + "' -o -f - < '" + samlSpMetaFile.getAbsolutePath() + "'");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+            ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+            Assert.assertNotNull("id", client.getId());
+            Assert.assertEquals("clientId", "http://localhost:8080/sales-post-enc/", client.getClientId());
+            Assert.assertEquals("redirectUris", Arrays.asList("http://localhost:8081/sales-post-enc/saml"), client.getRedirectUris());
+            Assert.assertEquals("attributes.saml_name_id_format", "username", client.getAttributes().get("saml_name_id_format"));
+            Assert.assertEquals("attributes.saml_assertion_consumer_url_post", "http://localhost:8081/sales-post-enc/saml", client.getAttributes().get("saml_assertion_consumer_url_post"));
+            Assert.assertEquals("attributes.saml.signature.algorithm", "RSA_SHA256", client.getAttributes().get("saml.signature.algorithm"));
+
+
+            // delete initial token
+            exe = execute("config initial-token --config '" + configFile.getName() + "' --server " + serverUrl + " --realm " + realm + " --delete");
+            assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+            config = handler.loadConfig();
+            Assert.assertNull("initial token == null", config.ensureRealmConfigData(serverUrl, realm).getInitialToken());
+        }
+    }
+}
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegTest.java
new file mode 100644
index 0000000..b4ea473
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegTest.java
@@ -0,0 +1,512 @@
+package org.keycloak.testsuite.cli.registration;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.testsuite.cli.KcRegExec;
+import org.keycloak.testsuite.util.TempFileResource;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.List;
+import java.util.UUID;
+
+import static org.keycloak.client.registration.cli.util.OsUtil.EOL;
+import static org.keycloak.testsuite.cli.KcRegExec.execute;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegTest extends AbstractCliTest {
+
+    @Test
+    public void testNoArgs() {
+        /*
+         *  Test most basic execution that returns the initial help
+         */
+        KcRegExec exe = execute("");
+
+        Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+        List<String> lines = exe.stdoutLines();
+        Assert.assertTrue("stdout output not empty", lines.size() > 0);
+        Assert.assertEquals("stdout first line", "Keycloak Client Registration CLI", lines.get(0));
+        Assert.assertEquals("stdout one but last line", "Use '" + KcRegExec.CMD + " help <command>' for more information about a given command.", lines.get(lines.size() - 2));
+        Assert.assertEquals("stdout last line", "", lines.get(lines.size() - 1));
+
+        lines = exe.stderrLines();
+        Assert.assertTrue("stderr output empty", lines.size() == 0);
+    }
+
+    @Test
+    public void testBadCommand() {
+        /*
+         *  Test most basic execution with non-existent command
+         */
+        KcRegExec exe = execute("nonexistent");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("stderr first line", "Unknown command: nonexistent", exe.stderrLines().get(0));
+    }
+
+    @Test
+    public void testBadOptionInPlaceOfCommand() {
+        /*
+         *  Test most basic execution with non-existent option
+         */
+        KcRegExec exe = execute("--nonexistent");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("stderr first line", "Unknown command: --nonexistent", exe.stderrLines().get(0));
+    }
+
+    @Test
+    public void testBadOption() {
+        /*
+         *  Test sub-command execution with non-existent option
+         */
+
+        KcRegExec exe = execute("get my_client --nonexistent");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("stderr first line", "Invalid option: --nonexistent", exe.stderrLines().get(0));
+    }
+
+    @Test
+    public void testCredentialsServerAndRealmWithDefaultConfig() {
+        /*
+         *  Test without --server specified
+         */
+        KcRegExec exe = execute("config credentials --server " + serverUrl + " --realm master");
+
+        assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+    }
+
+    @Test
+    public void testCredentialsNoServerWithDefaultConfig() {
+        /*
+         *  Test without --server specified
+         */
+        KcRegExec exe = execute("config credentials --realm master --user admin --password admin");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("stderr first line", "Required option not specified: --server", exe.stderrLines().get(0));
+    }
+
+    @Test
+    public void testCredentialsNoRealmWithDefaultConfig() {
+        /*
+         *  Test without --server specified
+         */
+        KcRegExec exe = execute("config credentials --server " + serverUrl + " --user admin --password admin");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("stderr first line", "Required option not specified: --realm", exe.stderrLines().get(0));
+    }
+
+    @Test
+    public void testUserLoginWithDefaultConfig() {
+        /*
+         *  Test most basic user login, using the default admin-cli as a client
+         */
+        KcRegExec exe = execute("config credentials --server " + serverUrl + " --realm master --user admin --password admin");
+
+        assertExitCodeAndStreamSizes(exe, 0, 0, 1);
+        Assert.assertEquals("stderr first line", "Logging into " + serverUrl + " as user admin of realm master", exe.stderrLines().get(0));
+    }
+
+    @Test
+    public void testUserLoginWithDefaultConfigInteractive() throws IOException {
+        /*
+         *  Test user login with interaction - provide user password after prompted for it
+         */
+
+        if (!runIntermittentlyFailingTests()) {
+            System.out.println("TEST SKIPPED - This test currently suffers from intermittent failures. Use -Dtest.intermittent=true to run it.");
+            return;
+        }
+
+        KcRegExec exe = KcRegExec.newBuilder()
+                .argsLine("config credentials --server " + serverUrl + " --realm master --user admin")
+                .executeAsync();
+
+        exe.waitForStdout("Enter password: ");
+        exe.sendToStdin("admin" + EOL);
+        exe.waitCompletion();
+
+        assertExitCodeAndStreamSizes(exe, 0, 1, 1);
+        Assert.assertEquals("stderr first line", "Logging into " + serverUrl + " as user admin of realm master", exe.stderrLines().get(0));
+
+
+        /*
+         *  Run the test one more time with stdin redirect
+         */
+        File tmpFile = new File(KcRegExec.WORK_DIR + "/" + UUID.randomUUID().toString() + ".tmp");
+        try {
+            FileOutputStream tmpos = new FileOutputStream(tmpFile);
+            tmpos.write("admin".getBytes());
+            tmpos.write(EOL.getBytes());
+            tmpos.close();
+
+            exe = execute("config credentials --server " + serverUrl + " --realm master --user admin < '" + tmpFile.getName() + "'");
+
+            assertExitCodeAndStreamSizes(exe, 0, 1, 1);
+            Assert.assertTrue("Enter password prompt", exe.stdoutLines().get(0).startsWith("Enter password: "));
+            Assert.assertEquals("stderr first line", "Logging into " + serverUrl + " as user admin of realm master", exe.stderrLines().get(0));
+
+        } finally {
+            tmpFile.delete();
+        }
+    }
+
+    @Test
+    public void testClientLoginWithDefaultConfigInteractive() throws IOException {
+        /*
+         *  Test client login with interaction - login using service account, and provide a client secret after prompted for it
+         */
+
+        if (!runIntermittentlyFailingTests()) {
+            System.out.println("TEST SKIPPED - This test currently suffers from intermittent failures. Use -Dtest.intermittent=true to run it.");
+            return;
+        }
+
+        // use -Dtest.intermittent=true to run this test
+        KcRegExec exe = KcRegExec.newBuilder()
+                .argsLine("config credentials --server " + serverUrl + " --realm test --client reg-cli-secret")
+                .executeAsync();
+
+        exe.waitForStdout("Enter client secret: ");
+        exe.sendToStdin("password" + EOL);
+        exe.waitCompletion();
+
+        assertExitCodeAndStreamSizes(exe, 0, 1, 1);
+        Assert.assertEquals("stderr first line", "Logging into " + serverUrl + " as service-account-reg-cli-secret of realm test", exe.stderrLines().get(0));
+
+        /*
+         *  Run the test one more time with stdin redirect
+         */
+        File tmpFile = new File(KcRegExec.WORK_DIR + "/" + UUID.randomUUID().toString() + ".tmp");
+        try {
+            FileOutputStream tmpos = new FileOutputStream(tmpFile);
+            tmpos.write("password".getBytes());
+            tmpos.write(EOL.getBytes());
+            tmpos.close();
+
+            exe = KcRegExec.newBuilder()
+                    .argsLine("config credentials --server " + serverUrl + " --realm test --client reg-cli-secret < '" + tmpFile.getName() + "'")
+                    .execute();
+
+            assertExitCodeAndStreamSizes(exe, 0, 1, 1);
+            Assert.assertTrue("Enter client secret prompt", exe.stdoutLines().get(0).startsWith("Enter client secret: "));
+            Assert.assertEquals("stderr first line", "Logging into " + serverUrl + " as service-account-reg-cli-secret of realm test", exe.stderrLines().get(0));
+        } finally {
+            tmpFile.delete();
+        }
+    }
+
+    @Test
+    public void testUserLoginWithCustomConfig() {
+        /*
+         *  Test user login using a custom config file
+         */
+        FileConfigHandler handler = initCustomConfigFile();
+
+        File configFile = new File(handler.getConfigFile());
+        try {
+            KcRegExec exe = execute("config credentials --server " + serverUrl + " --realm master" +
+                    " --user admin --password admin --config '" + configFile.getName() + "'");
+
+            assertExitCodeAndStreamSizes(exe, 0, 0, 1);
+            Assert.assertEquals("stderr first line", "Logging into " + serverUrl + " as user admin of realm master", exe.stderrLines().get(0));
+
+            // make sure the config file exists, and has the right content
+            ConfigData config = handler.loadConfig();
+            Assert.assertEquals("serverUrl", serverUrl, config.getServerUrl());
+            Assert.assertEquals("realm", "master", config.getRealm());
+            RealmConfigData realmcfg = config.sessionRealmConfigData();
+            Assert.assertNotNull("realm config data no null", realmcfg);
+            Assert.assertEquals("realm cfg serverUrl", serverUrl, realmcfg.serverUrl());
+            Assert.assertEquals("realm cfg realm", "master", realmcfg.realm());
+            Assert.assertEquals("client id", "admin-cli", realmcfg.getClientId());
+            Assert.assertNotNull("token not null", realmcfg.getToken());
+            Assert.assertNotNull("refresh token not null", realmcfg.getRefreshToken());
+            Assert.assertNotNull("token expires not null", realmcfg.getExpiresAt());
+            Assert.assertNotNull("token expires in future", realmcfg.getExpiresAt() > System.currentTimeMillis());
+            Assert.assertNotNull("refresh token expires not null", realmcfg.getRefreshExpiresAt());
+            Assert.assertNotNull("refresh token expires in future", realmcfg.getRefreshExpiresAt() > System.currentTimeMillis());
+            Assert.assertTrue("clients is empty", realmcfg.getClients().isEmpty());
+
+        } finally {
+            configFile.delete();
+        }
+    }
+
+    @Test
+    public void testCustomConfigLoginCreateDelete() throws IOException {
+        /*
+         *  Test user login, create, delete session using a custom config file
+         */
+
+        // prepare for loading a config file
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+
+            KcRegExec exe = execute("config credentials --server " + serverUrl +
+                    " --realm master --user admin --password admin --config '" + configFile.getName() + "'");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+            // remember the state of config file
+            ConfigData config1 = handler.loadConfig();
+
+
+
+
+            exe = execute("create --config '" + configFile.getName() + "' -s clientId=test-client -o");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+            // check changes to config file
+            ConfigData config2 = handler.loadConfig();
+            assertFieldsEqualWithExclusions(config1, config2, "endpoints." + serverUrl + ".master.clients.test-client");
+
+            // check that registration access token is now set
+            Assert.assertNotNull(config2.sessionRealmConfigData().getClients().get("test-client"));
+
+
+            ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+            Assert.assertEquals("clientId", "test-client", client.getClientId());
+            Assert.assertNotNull("registrationAccessToken", client.getRegistrationAccessToken());
+            Assert.assertEquals("registrationAccessToken in returned json same as in config",
+                    config2.sessionRealmConfigData().getClients().get("test-client"), client.getRegistrationAccessToken());
+
+
+
+
+            exe = execute("delete test-client --config '" + configFile.getName() + "'");
+
+            assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+            // check changes to config file
+            ConfigData config3 = handler.loadConfig();
+            assertFieldsEqualWithExclusions(config2, config3, "endpoints." + serverUrl + ".master.clients.test-client");
+
+            // check that registration access token is no longer there
+            Assert.assertTrue("clients empty", config3.sessionRealmConfigData().getClients().isEmpty());
+        }
+    }
+
+    @Test
+    public void testCRUDWithOnTheFlyUserAuth() throws IOException {
+        /*
+         *  Test create, get, update, and delete using on-the-fly authentication - without using any config file.
+         *  Login is performed by each operation again, and again using username, and password.
+         */
+        testCRUDWithOnTheFlyAuth(serverUrl, "--user user1 --password userpass", "",
+                "Logging into " + serverUrl + " as user user1 of realm test");
+    }
+
+    @Test
+    public void testCRUDWithOnTheFlyUserAuthWithClientSecret() throws IOException {
+        /*
+         *  Test create, get, update, and delete using on-the-fly authentication - without using any config file.
+         *  Login is performed by each operation again, and again using username, password, and client secret.
+         */
+        // try client without direct grants enabled
+        KcRegExec exe = execute("get test-client --no-config --server " + serverUrl + " --realm test" +
+                " --user user1 --password userpass --client reg-cli-secret --secret password");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 2);
+        Assert.assertEquals("login message", "Logging into " + serverUrl + " as user user1 of realm test", exe.stderrLines().get(0));
+        Assert.assertEquals("error message", "Client not allowed for direct access grants [invalid_grant]", exe.stderrLines().get(1));
+
+
+        // try wrong user password
+        exe = execute("get test-client --no-config --server " + serverUrl + " --realm test" +
+                " --user user1 --password wrong --client reg-cli-secret-direct --secret password");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 2);
+        Assert.assertEquals("login message", "Logging into " + serverUrl + " as user user1 of realm test", exe.stderrLines().get(0));
+        Assert.assertEquals("error message", "Invalid user credentials [invalid_grant]", exe.stderrLines().get(1));
+
+
+        // try wrong client secret
+        exe = execute("get test-client --no-config --server " + serverUrl + " --realm test" +
+                " --user user1 --password userpass --client reg-cli-secret-direct --secret wrong");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 2);
+        Assert.assertEquals("login message", "Logging into " + serverUrl + " as user user1 of realm test", exe.stderrLines().get(0));
+        Assert.assertEquals("error message", "Invalid client secret [unauthorized_client]", exe.stderrLines().get(1));
+
+
+        // try whole CRUD
+        testCRUDWithOnTheFlyAuth(serverUrl, "--user user1 --password userpass --client reg-cli-secret-direct --secret password", "",
+                "Logging into " + serverUrl + " as user user1 of realm test");
+    }
+
+    @Test
+    public void testCRUDWithOnTheFlyUserAuthWithSignedJwtClient() throws IOException {
+        /*
+         *  Test create, get, update, and delete using on-the-fly authentication - without using any config file.
+         *  Login is performed by each operation again, and again using username, password, and client JWT signature.
+         */
+        File keystore = new File(System.getProperty("user.dir") + "/src/test/resources/cli/kcreg/reg-cli-keystore.jks");
+        Assert.assertTrue("reg-cli-keystore.jks exists", keystore.isFile());
+
+        // try client without direct grants enabled
+        KcRegExec exe = execute("get test-client --no-config --server " + serverUrl + " --realm test" +
+                " --user user1 --password userpass --client reg-cli-jwt --keystore '" + keystore.getAbsolutePath() + "'" +
+                " --storepass storepass --keypass keypass --alias reg-cli");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 2);
+        Assert.assertEquals("login message", "Logging into " + serverUrl + " as user user1 of realm test", exe.stderrLines().get(0));
+        Assert.assertEquals("error message", "Client not allowed for direct access grants [invalid_grant]", exe.stderrLines().get(1));
+
+
+        // try wrong user password
+        exe = execute("get test-client --no-config --server " + serverUrl + " --realm test" +
+                " --user user1 --password wrong --client reg-cli-jwt-direct --keystore '" + keystore.getAbsolutePath() + "'" +
+                " --storepass storepass --keypass keypass --alias reg-cli");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 2);
+        Assert.assertEquals("login message", "Logging into " + serverUrl + " as user user1 of realm test", exe.stderrLines().get(0));
+        Assert.assertEquals("error message", "Invalid user credentials [invalid_grant]", exe.stderrLines().get(1));
+
+
+        // try wrong storepass
+        exe = execute("get test-client --no-config --server " + serverUrl + " --realm test" +
+                " --user user1 --password userpass --client reg-cli-jwt-direct --keystore '" + keystore.getAbsolutePath() + "'" +
+                " --storepass wrong --keypass keypass --alias reg-cli");
+
+        assertExitCodeAndStreamSizes(exe, 1, 0, 2);
+        Assert.assertEquals("login message", "Logging into " + serverUrl + " as user user1 of realm test", exe.stderrLines().get(0));
+        Assert.assertEquals("error message", "Failed to load private key: Keystore was tampered with, or password was incorrect", exe.stderrLines().get(1));
+
+
+        // try whole CRUD
+        testCRUDWithOnTheFlyAuth(serverUrl,
+                "--user user1 --password userpass  --client reg-cli-jwt-direct --keystore '" + keystore.getAbsolutePath() + "'" +
+                        " --storepass storepass --keypass keypass --alias reg-cli", "",
+                "Logging into " + serverUrl + " as user user1 of realm test");
+
+    }
+
+    @Test
+    public void testCRUDWithOnTheFlyServiceAccountWithClientSecret() throws IOException {
+        /*
+         *  Test create, get, update, and delete using on-the-fly authentication - without using any config file.
+         *  Login is performed by each operation again, and again using only client secret - service account is used.
+         */
+        testCRUDWithOnTheFlyAuth(serverUrl, "--client reg-cli-secret --secret password", "",
+                "Logging into " + serverUrl + " as service-account-reg-cli-secret of realm test");
+    }
+
+    @Test
+    public void testCRUDWithOnTheFlyServiceAccountWithSignedJwtClient() throws IOException {
+        /*
+         *  Test create, get, update, and delete using on-the-fly authentication - without using any config file.
+         *  Login is performed by each operation again, and again using only client JWT signature - service account is used.
+         */
+        File keystore = new File(System.getProperty("user.dir") + "/src/test/resources/cli/kcreg/reg-cli-keystore.jks");
+        Assert.assertTrue("reg-cli-keystore.jks exists", keystore.isFile());
+
+        testCRUDWithOnTheFlyAuth(serverUrl,
+                "--client reg-cli-jwt --keystore '" + keystore.getAbsolutePath() + "' --storepass storepass --keypass keypass --alias reg-cli", "",
+                "Logging into " + serverUrl + " as service-account-reg-cli-jwt of realm test");
+    }
+
+    @Test
+    public void testCreateDeleteWithInitialAndRegistrationTokens() throws IOException {
+        /*
+         *  Test create using initial client token, and subsequent delete using registration access token.
+         *  A config file is used to save registration access token for newly created client.
+         */
+        testCreateDeleteWithInitialAndRegistrationTokens(true);
+    }
+
+    @Test
+    public void testCreateDeleteWithInitialAndRegistrationTokensNoConfig() throws IOException {
+        /*
+         *  Test create using initial client token, and subsequent delete using registration access token.
+         *  No config file is used so registration access token for newly created client is not saved to config.
+         */
+        testCreateDeleteWithInitialAndRegistrationTokens(false);
+    }
+
+    private void testCreateDeleteWithInitialAndRegistrationTokens(boolean useConfig) throws IOException {
+
+        // prepare for loading a config file
+        // only used when useConfig is true
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+
+            String token = issueInitialAccessToken("master");
+
+            final String realm = "master";
+
+            KcRegExec exe = execute("create " + (useConfig ? ("--config '" + configFile.getAbsolutePath()) + "'" : "--no-config")
+                    + " --server " + serverUrl + " --realm " + realm + " -s clientId=test-client2 -o -t " + token);
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+
+            ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+
+            Assert.assertEquals("clientId", "test-client2", client.getClientId());
+            Assert.assertNotNull("registrationAccessToken", client.getRegistrationAccessToken());
+
+
+            if (useConfig) {
+                ConfigData config = handler.loadConfig();
+                Assert.assertEquals("Registration Access Token in config file", client.getRegistrationAccessToken(),
+                        config.ensureRealmConfigData(serverUrl, realm).getClients().get("test-client2"));
+            } else {
+                Assert.assertFalse("There should be no config file", configFile.isFile());
+            }
+
+            exe = execute("delete test-client2 " + (useConfig ? ("--config '" + configFile.getAbsolutePath()) + "'" : "--no-config")
+                    + " --server " + serverUrl + " --realm " + realm + " -t " + client.getRegistrationAccessToken());
+
+            assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+        }
+    }
+
+    @Test
+    public void testCreateWithAllowedHostsWithoutAuthenticationNoConfig() throws IOException {
+
+        testCreateWithAllowedHostsWithoutAuthentication("test", false);
+    }
+
+    @Test
+    public void testCreateWithAllowedHostsWithoutAuthentication() throws IOException {
+
+        testCreateWithAllowedHostsWithoutAuthentication("test", true);
+    }
+
+    private void testCreateWithAllowedHostsWithoutAuthentication(String realm, boolean useConfig) throws IOException {
+
+        addLocalhostToAllowedHosts(realm);
+
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+            KcRegExec exe = execute("create " + (useConfig ? ("--config '" + configFile.getAbsolutePath()) + "'" : "--no-config")
+                    + " --server " + serverUrl + " --realm " + realm + " -s clientId=test-client -o");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+
+            ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+
+            Assert.assertEquals("clientId", "test-client", client.getClientId());
+            Assert.assertNotNull("registrationAccessToken", client.getRegistrationAccessToken());
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegTruststoreTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegTruststoreTest.java
new file mode 100644
index 0000000..5885459
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegTruststoreTest.java
@@ -0,0 +1,123 @@
+package org.keycloak.testsuite.cli.registration;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.client.registration.cli.util.ConfigUtil;
+import org.keycloak.testsuite.cli.KcRegExec;
+import org.keycloak.testsuite.util.TempFileResource;
+
+import java.io.File;
+import java.io.IOException;
+
+import static org.keycloak.client.registration.cli.util.OsUtil.EOL;
+import static org.keycloak.testsuite.cli.KcRegExec.execute;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegTruststoreTest extends AbstractCliTest {
+
+    @Test
+    public void testTruststore() throws IOException {
+
+        // only run this test if ssl protected keycloak server is available
+        if (!isAuthServerSSL()) {
+            System.out.println("TEST SKIPPED - This test requires HTTPS. Run with '-Pauth-server-wildfly -Dauth.server.ssl.required=true'");
+            return;
+        }
+
+        File truststore = new File("src/test/resources/keystore/keycloak.truststore");
+
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+
+            if (runIntermittentlyFailingTests()) {
+                // configure truststore
+                KcRegExec exe = execute("config truststore --config '" + configFile.getName() + "' '" + truststore.getAbsolutePath() + "'");
+
+                assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+
+                // perform authentication against server - asks for password, then for truststore password
+                exe = KcRegExec.newBuilder()
+                        .argsLine("config credentials --server " + serverUrl + " --realm test --user user1" +
+                                " --config '" + configFile.getName() + "'")
+                        .executeAsync();
+
+                exe.waitForStdout("Enter password: ");
+                exe.sendToStdin("userpass" + EOL);
+                exe.waitForStdout("Enter truststore password: ");
+                exe.sendToStdin("secret" + EOL);
+                exe.waitCompletion();
+
+                assertExitCodeAndStreamSizes(exe, 0, 2, 1);
+
+
+                // configure truststore with password
+                exe = execute("config truststore --config '" + configFile.getName() + "' --trustpass secret '" + truststore.getAbsolutePath() + "'");
+
+                assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+                // perform authentication against server - asks for password, then for truststore password
+                exe = KcRegExec.newBuilder()
+                        .argsLine("config credentials --server " + serverUrl + " --realm test --user user1" +
+                                " --config '" + configFile.getName() + "'")
+                        .executeAsync();
+
+                exe.waitForStdout("Enter password: ");
+                exe.sendToStdin("userpass" + EOL);
+                exe.waitCompletion();
+
+                assertExitCodeAndStreamSizes(exe, 0, 1, 1);
+
+            } else {
+                System.out.println("TEST SKIPPED PARTIALLY - This test currently suffers from intermittent failures. Use -Dtest.intermittent=true to run it in full.");
+            }
+        }
+
+        // Check missing argument error
+        KcRegExec exe = execute("config truststore");
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("no truststore error", "No truststore specified", exe.stderrLines().get(0));
+
+        // configure truststore with password
+        exe = execute("config truststore --trustpass secret '" + truststore.getAbsolutePath() + "'");
+        assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+        // perform authentication against server - asks for password, then for truststore password
+        exe = execute("config credentials --server " + serverUrl + " --realm test --user user1 --password userpass");
+        assertExitCodeAndStreamSizes(exe, 0, 0, 1);
+
+        exe = execute("config truststore --delete");
+        assertExitCodeAndStreamSizes(exe, 0, 0, 0);
+
+        exe = execute("config truststore --delete '" + truststore.getAbsolutePath() + "'");
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("incompatible", "Option --delete is mutually exclusive with specifying a TRUSTSTORE", exe.stderrLines().get(0));
+
+        exe = execute("config truststore --delete --trustpass secret");
+        assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+        Assert.assertEquals("no truststore error", "Options --trustpass and --delete are mutually exclusive", exe.stderrLines().get(0));
+
+        FileConfigHandler cfghandler = new FileConfigHandler();
+        cfghandler.setConfigFile(ConfigUtil.DEFAULT_CONFIG_FILE_PATH);
+        ConfigData config = cfghandler.loadConfig();
+        Assert.assertNull("truststore null", config.getTruststore());
+        Assert.assertNull("trustpass null", config.getTrustpass());
+
+
+        // perform no-config CRUD test against ssl protected endpoint
+        testCRUDWithOnTheFlyAuth(serverUrl,
+                "--user user1 --password userpass", " --truststore '" + truststore.getAbsolutePath() + "' --trustpass secret",
+                "Logging into " + serverUrl + " as user user1 of realm test");
+    }
+
+
+    @Test
+    public void testUpdateTokenTruststore() {
+        // TODO
+    }
+}
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegUpdateTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegUpdateTest.java
new file mode 100644
index 0000000..d21c1a3
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegUpdateTest.java
@@ -0,0 +1,170 @@
+package org.keycloak.testsuite.cli.registration;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.testsuite.cli.KcRegExec;
+import org.keycloak.testsuite.util.TempFileResource;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.Arrays;
+
+import static org.keycloak.testsuite.cli.KcRegExec.execute;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegUpdateTest extends AbstractCliTest {
+
+
+    @Test
+    public void testUpdateThoroughly() throws IOException {
+
+        FileConfigHandler handler = initCustomConfigFile();
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+
+            final String realm = "test";
+
+            loginAsUser(configFile.getFile(), serverUrl, realm, "user1", "userpass");
+
+
+            // create an object so we can update it
+            KcRegExec exe = execute("create --config '" + configFile.getName() + "' -o -s clientId=my_client");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+
+            Assert.assertEquals("enabled", true, client.isEnabled());
+            Assert.assertEquals("publicClient", false, client.isPublicClient());
+            Assert.assertEquals("bearerOnly", false, client.isBearerOnly());
+            Assert.assertTrue("redirectUris is empty", client.getRedirectUris().isEmpty());
+
+
+            // Merge update
+            exe = execute("update my_client --config '" + configFile.getName() + "' -o " +
+                        " -s enabled=false -s 'redirectUris=[\"http://localhost:8980/myapp/*\"]'");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+            client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+            Assert.assertEquals("enabled", false, client.isEnabled());
+            Assert.assertEquals("redirectUris", Arrays.asList("http://localhost:8980/myapp/*"), client.getRedirectUris());
+
+
+
+            // Another merge update - test deleting an attribute, deleting a list item and adding a list item
+            exe = execute("update my_client --config '" + configFile.getName() + "' -o -d redirectUris -s webOrigins+=http://localhost:8980/myapp -s webOrigins+=http://localhost:8981/myapp -d webOrigins[0]");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+            client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+
+            Assert.assertTrue("redirectUris is empty", client.getRedirectUris().isEmpty());
+            Assert.assertEquals("webOrigins", Arrays.asList("http://localhost:8981/myapp"), client.getWebOrigins());
+
+
+
+            // Another merge update - test nested attributes and setting an attribute using json format
+            // TODO KEYCLOAK-3705 Updating protocolMapper config via client registration endpoint has no effect
+            /*
+            exe = execute("update my_client --config '" + configFile.getName() + "' -o -s 'protocolMappers[0].config.\"id.token.claim\"=false' " +
+                    "-s 'protocolMappers[4].config={\"single\": \"true\", \"attribute.nameformat\": \"Basic\", \"attribute.name\": \"Role\"}'");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+            client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+            Assert.assertEquals("protocolMapper[0].config.\"id.token.claim\"", "false", client.getProtocolMappers().get(0).getConfig().get("id.token.claim"));
+            Assert.assertEquals("protocolMappers[4].config.single", "true", client.getProtocolMappers().get(4).getConfig().get("single"));
+            Assert.assertEquals("protocolMappers[4].config.\"attribute.nameformat\"", "Basic", client.getProtocolMappers().get(4).getConfig().get("attribute.nameformat"));
+            Assert.assertEquals("protocolMappers[4].config.\"attribute.name\"", "Role", client.getProtocolMappers().get(4).getConfig().get("attribute.name"));
+            */
+
+            // update using oidc format
+
+
+            // check that using an invalid attribute key is not ignored
+            exe = execute("update my_client --nonexisting --config '" + configFile.getName() + "'");
+
+            assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+            Assert.assertEquals("error message", "Unsupported option: --nonexisting", exe.stderrLines().get(0));
+
+
+
+            // try use incompatible endpoint
+            exe = execute("update my_client --config '" + configFile.getName() + "' -o -s enabled=true -e oidc");
+
+            assertExitCodeAndStreamSizes(exe, 1, 0, 1);
+            Assert.assertEquals("error message", "Failed to set attribute 'enabled' on document type 'oidc'", exe.stderrLines().get(0));
+
+
+
+            // test overwrite from file
+            exe = KcRegExec.newBuilder()
+                    .argsLine("update my_client --config '" + configFile.getName() +
+                            "' -o  -s clientId=my_client -s 'redirectUris=[\"http://localhost:8980/myapp/*\"]' -f -")
+                    .stdin(new ByteArrayInputStream("{ \"enabled\": false }".getBytes()))
+                    .execute();
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr has error", exe.stderrLines().isEmpty());
+
+            client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+            // web origin is not sent to the server, thus it retains the current value
+            Assert.assertEquals("webOrigins", Arrays.asList("http://localhost:8981/myapp"), client.getWebOrigins());
+            Assert.assertFalse("enabled is false", client.isEnabled());
+            Assert.assertEquals("redirectUris", Arrays.asList("http://localhost:8980/myapp/*"), client.getRedirectUris());
+
+
+
+            // test using merge with file
+            exe = KcRegExec.newBuilder()
+                    .argsLine("update my_client --config '" + configFile.getName() +
+                            "' -o -s enabled=true -m -f -")
+                    .stdin(new ByteArrayInputStream("{ \"webOrigins\": [\"http://localhost:8980/myapp\"] }".getBytes()))
+                    .execute();
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr has error", exe.stderrLines().isEmpty());
+
+            client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+            Assert.assertEquals("webOrigins", Arrays.asList("http://localhost:8980/myapp"), client.getWebOrigins());
+            Assert.assertTrue("enabled is true", client.isEnabled());
+            Assert.assertEquals("redirectUris", Arrays.asList("http://localhost:8980/myapp/*"), client.getRedirectUris());
+
+
+
+            // remove registration access token
+            exe = execute("config registration-token --config '" + configFile.getName() + "' --server " + serverUrl +
+                    " --realm " + realm + " --client my_client -d");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+            Assert.assertNull("my_client registration token", handler.loadConfig().ensureRealmConfigData(serverUrl, realm).getClients().get("my_client"));
+
+
+
+            // test update without registration access token to produce 'unsafe' error
+            exe = execute("update my_client --config '" + configFile.getName() + "' -o -s bearerOnly=true");
+
+            Assert.assertEquals("exitCode == 1", 1, exe.exitCode());
+            Assert.assertFalse("stderr is not empty", exe.stderrLines().isEmpty());
+            Assert.assertEquals("error message", "No Registration Access Token found for client: my_client. Provide one or use --unsafe.", exe.stderrLines().get(0));
+
+
+            // test using unsafe to perform update
+            exe = execute("update my_client --config '" + configFile.getName() + "' -o -s bearerOnly=true --unsafe");
+
+            Assert.assertEquals("exitCode == 0", 0, exe.exitCode());
+            Assert.assertTrue("stderr is empty", exe.stderrLines().isEmpty());
+
+        }
+    }
+}
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegUpdateTokenTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegUpdateTokenTest.java
new file mode 100644
index 0000000..e2b4193
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/cli/registration/KcRegUpdateTokenTest.java
@@ -0,0 +1,68 @@
+package org.keycloak.testsuite.cli.registration;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.keycloak.client.registration.cli.config.ConfigData;
+import org.keycloak.client.registration.cli.config.FileConfigHandler;
+import org.keycloak.client.registration.cli.config.RealmConfigData;
+import org.keycloak.client.registration.cli.util.ConfigUtil;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.testsuite.cli.KcRegExec;
+import org.keycloak.testsuite.util.TempFileResource;
+import org.keycloak.util.JsonSerialization;
+
+import java.io.IOException;
+
+import static org.keycloak.client.registration.cli.util.OsUtil.EOL;
+import static org.keycloak.testsuite.cli.KcRegExec.execute;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class KcRegUpdateTokenTest extends AbstractCliTest {
+
+    @Test
+    public void testUpdateToken() throws IOException {
+
+        FileConfigHandler handler = initCustomConfigFile();
+        ConfigUtil.setHandler(handler);
+
+        try (TempFileResource configFile = new TempFileResource(handler.getConfigFile())) {
+
+            KcRegExec exe = execute("config credentials --config '" + configFile.getName() + "' --server " + serverUrl + " --realm master --user admin --password admin");
+            assertExitCodeAndStreamSizes(exe, 0, 0, 1);
+
+            // read current registration access token
+            ConfigData data = ConfigUtil.loadConfig();
+            RealmConfigData rdata = data.getRealmConfigData(serverUrl, "test");
+            Assert.assertNull("realm info set", rdata);
+
+            // update registration access token
+            exe = execute("update-token --config '" + configFile.getName() + "' reg-cli-secret-direct  --server " + serverUrl + " --realm test --user user1 --password userpass");
+
+            assertExitCodeAndStreamSizes(exe, 0, 0, 1);
+
+            // read current registration token
+            data = ConfigUtil.loadConfig();
+            rdata = data.getRealmConfigData(serverUrl, "test");
+            Assert.assertEquals("current session realm unchanged", "master", data.getRealm());
+            Assert.assertNotNull("realm info set", rdata);
+            Assert.assertNull("on the fly login was transient", rdata.getToken());
+            Assert.assertNotNull("client info has registration access token", rdata.getClients().get("reg-cli-secret-direct"));
+
+            // use --no-config and on-the-fly auth
+            exe = execute("update-token reg-cli-secret-direct --no-config --server " + serverUrl + " --realm test --user user1 --password userpass");
+            assertExitCodeAndStreamSizes(exe, 0, 1, 1);
+
+            // save the token
+            String token = exe.stdoutLines().get(0);
+
+            // test that the token works
+            exe = execute("get reg-cli-secret-direct --no-config --server " + serverUrl + " --realm test -t " + token);
+            Assert.assertEquals("exit code", 0, exe.exitCode());
+
+            ClientRepresentation client = JsonSerialization.readValue(exe.stdout(), ClientRepresentation.class);
+            Assert.assertEquals("client representation returned", "reg-cli-secret-direct", client.getClientId());
+        }
+    }
+}
\ No newline at end of file
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/util/TempFileResource.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/util/TempFileResource.java
new file mode 100644
index 0000000..9050687
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/util/TempFileResource.java
@@ -0,0 +1,43 @@
+package org.keycloak.testsuite.util;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
+ */
+public class TempFileResource implements Closeable {
+
+    private File file;
+
+    public TempFileResource(String filepath) {
+        file = new File(filepath);
+    }
+
+    public TempFileResource(File file) {
+        this.file = file;
+    }
+
+    public File getFile() {
+        return file;
+    }
+
+    public String getName() {
+        return file.getName();
+    }
+
+    public String getAbsolutePath() {
+        return file.getAbsolutePath();
+    }
+
+    public boolean isFile() {
+        return file.isFile();
+    }
+
+    @Override
+    public void close() throws IOException {
+        // delete file if it exists
+        file.delete();
+    }
+}
diff --git a/testsuite/integration-arquillian/tests/base/src/test/resources/cli/kcreg/reg-cli-keystore.jks b/testsuite/integration-arquillian/tests/base/src/test/resources/cli/kcreg/reg-cli-keystore.jks
new file mode 100644
index 0000000..feb5e82
Binary files /dev/null and b/testsuite/integration-arquillian/tests/base/src/test/resources/cli/kcreg/reg-cli-keystore.jks differ
diff --git a/testsuite/integration-arquillian/tests/base/src/test/resources/cli/kcreg/saml-sp-metadata.xml b/testsuite/integration-arquillian/tests/base/src/test/resources/cli/kcreg/saml-sp-metadata.xml
new file mode 100644
index 0000000..2af8e01
--- /dev/null
+++ b/testsuite/integration-arquillian/tests/base/src/test/resources/cli/kcreg/saml-sp-metadata.xml
@@ -0,0 +1,20 @@
+<EntityDescriptor xmlns="urn:oasis:names:tc:SAML:2.0:metadata" entityID="http://localhost:8080/sales-post-enc/">
+    <SPSSODescriptor AuthnRequestsSigned="true"
+                     protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol urn:oasis:names:tc:SAML:1.1:protocol http://schemas.xmlsoap.org/ws/2003/07/secext">
+        <SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="http://localhost:8081/sales-post-enc/saml"/>
+        <NameIDFormat>urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified
+        </NameIDFormat>
+        <AssertionConsumerService
+                Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="http://localhost:8081/sales-post-enc/saml"
+                index="1" isDefault="true" />
+        <KeyDescriptor use="signing">
+            <dsig:KeyInfo xmlns:dsig="http://www.w3.org/2000/09/xmldsig#">
+                <dsig:X509Data>
+                    <dsig:X509Certificate>
+                        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
+                    </dsig:X509Certificate>
+                </dsig:X509Data>
+            </dsig:KeyInfo>
+        </KeyDescriptor>
+    </SPSSODescriptor>
+</EntityDescriptor>
diff --git a/testsuite/integration-arquillian/tests/pom.xml b/testsuite/integration-arquillian/tests/pom.xml
index d30721c..8dcdc2a 100755
--- a/testsuite/integration-arquillian/tests/pom.xml
+++ b/testsuite/integration-arquillian/tests/pom.xml
@@ -172,6 +172,8 @@
                             <migration.import.properties>${migration.import.properties}</migration.import.properties>
 
                             <testsuite.constants>${testsuite.constants}</testsuite.constants>
+                            <cli.log.output>${cli.log.output}</cli.log.output>
+                            <test.intermittent>${test.intermittent}</test.intermittent>
 
                             <browser>${browser}</browser>
                             <firefox_binary>${firefox_binary}</firefox_binary>
@@ -781,6 +783,18 @@
                     <version>${mariadb.version}</version>
                 </dependency>
 
+                <!-- CLI -->
+                <!--
+                   - This dependency must come after org.bouncycastle dependencies since it contains BC classes,
+                   - and MAC signature check on classes would fail otherwise with:
+                   - 'java.lang.SecurityException: JCE cannot authenticate the provider BC'
+                 -->
+                <dependency>
+                    <groupId>org.keycloak</groupId>
+                    <artifactId>keycloak-client-cli-dist</artifactId>
+                    <type>zip</type>
+                </dependency>
+
             </dependencies>
             <build>
                 <plugins>