v0.13.0

Add option for client to verify negotiated key exchange algorithms.

.gitattributes

@@ -0,0 +1 @@
+*.bat text eol=crlf

.gitignore

@@ -0,0 +1,17 @@
+# IntelliJ IDEA
+.idea/
+*.iml
+*.ipr
+*.iws
+
+# Eclipe
+.project
+.classpath
+.settings/
+
+# Output dirs
+target/
+build/
+.gradle/
+
+

.travis.yml

@@ -0,0 +1,2 @@
+language: java
+sudo: false

CONTRIBUTORS

@@ -1,11 +1 @@
-Shikhar Bhushan <shikhar@schmizz.net>
-Cyril Ledru <cledru@keynectis.net>
-Incendium <incendium@gmail.com>
-Philip Langdale <philipl@cloudera.com>
-Adar Dembo <adar@cloudera.com>
-Ioannis Canellos <iocanel@gmail.com>
-Neil Prosser <neil.prosser@gmail.com>
-hierynomus <jeroen@hierynomus.com>
-Ryan Tenney <ryan@10e.us>
-Aled Sage <aled.sage@gmail.com>
-Urs Reupke <ur@idos.de>
+git log --format='%aN <%aE>' | awk '{arr[$0]++} END{for (i in arr){print arr[i], i;}}' | sort -rn | cut -d\  -f2-

README.adoc

@@ -0,0 +1,116 @@
+= sshj - SSHv2 library for Java
+Jeroen van Erp
+:sshj_groupid: com.hierynomus
+:sshj_version: 0.13.0
+:source-highlighter: pygments
+
+image::https://travis-ci.org/hierynomus/sshj.svg?branch=master[]
+
+To get started, have a look at one of the examples. Hopefully you will find the API pleasant to work with :)
+
+== Getting SSHJ
+
+To get SSHJ, you have two options:
+
+. Add a dependency to SSHJ to your project.
+. Build SSHJ yourself.
+
+And, if you want, you can also run the SSHJ examples.
+
+Binary releases of SSHJ are not provided here, but you can download it http://search.maven.org/#artifactdetails%7C{sshj_groupid}%7Csshj%7C{sshj_version}%7Cjar[straight from the Maven Central repository] if you want to.
+
+== Depending on SSHJ
+If you're building your project using Maven, you can add the following dependency to the `pom.xml`:
+
+[source,xml,subs="verbatim,attributes"]
+----
+<dependency>
+  <groupId>{sshj_groupid}</groupId>
+  <artifactId>sshj</artifactId>
+  <version>{sshj_version}</version>
+</dependency>
+----
+
+If your project is built using another build tool that uses the Maven Central repository, translate this dependency into the format used by your build tool.
+
+== Building SSHJ
+. Clone the Overthere repository.
+. Ensure you have Java6 installed with the http://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html[Unlimited strength Java Cryptography Extensions (JCE)].
+. Run the command `./gradlew clean build`.
+
+== Running the examples
+In the `examples` directory, there is a separate Maven project that shows how the library can be used in some sample cases. If you want to run them, follow these guidelines:
+
+. Install http://maven.apache.org/[Maven 2.2.1] or up.
+. Clone the Overthere repository.
+. Go into the `examples` directory and run the command `mvn eclipse:eclipse`.
+. Import the `examples` project into Eclipse.
+. Change the login details in the example classes (address, username and password) and run them!
+
+== Features of the library include:
+
+* reading known_hosts files for host key verification
+* publickey, password and keyboard-interactive authentication
+* command, subsystem and shell channels
+* local and remote port forwarding
+* scp + complete sftp version 0-3 implementation
+
+== Supported algorithms
+Implementations / adapters for the following algorithms are included:
+
+ciphers::
+  `aes{128,192,256}-{cbc,ctr}`, `blowfish-cbc`, `3des-cbc`
+
+key exchange::
+  `diffie-hellman-group1-sha1`, `diffie-hellman-group14-sha1`
+
+signatures::
+  `ssh-rsa`, `ssh-dss`
+
+mac::
+  `hmac-md5`, `hmac-md5-96`, `hmac-sha1`, `hmac-sha1-96`, `hmac-sha2-256`, `hmac-sha2-512`
+
+compression::
+  `zlib` and `zlib@openssh.com` (delayed zlib)
+
+private key files::
+   `pkcs8` encoded (what openssh uses)
+
+If you need something that is not included, it shouldn't be too hard to add (do contribute it!)
+
+
+== Dependencies
+Java 6+. http://www.slf4j.org/download.html[slf4j] is required. http://www.bouncycastle.org/java.html[bouncycastle] is highly recommended and required for using some of the crypto algorithms. http://www.jcraft.com/jzlib/[jzlib] is required for using zlib compression.
+
+== Reporting bugs
+Issue tracker: https://github.com/hierynomus/sshj/issues
+
+== Discussion
+Google Group: http://groups.google.com/group/sshj-users
+
+== Contributing
+Fork away!
+
+== Release history
+SSHJ 0.13.0 (2015-08-18)::
+* Merged https://github.com/hierynomus/sshj/issues/199[#199]: Fix for IndexOutOfBoundsException in ReadAheadRemoteFileInputStream, fixes https://github.com/hierynomus/sshj/issues/183[#183]
+* Merged https://github.com/hierynomus/sshj/issues/195[#195]: New authentication supported: `gssapi-with-mic`
+* Merged https://github.com/hierynomus/sshj/issues/201[#201]: New option to verify negotiated key exchange algorithms
+* Merged https://github.com/hierynomus/sshj/issues/196[#196]: Fix for looking up complete hostname in known hosts file
+SSHJ 0.12.0 (2015-04-14)::
+* Added support for HTTP proxies when running JDK6 or JDK7, fixes: https://github.com/hierynomus/sshj/issues/170[#170]
+* Merged https://github.com/hierynomus/sshj/issues/186[#186]: Fix for detecting end-of-stream
+* Compiling to JDK6, fixes https://github.com/hierynomus/sshj/issues/179[#179] and https://github.com/hierynomus/sshj/issues/185[#185]
+* Correctly close socket and channel when LocalPortForwarder fails to open and start the channel (Fixes https://github.com/hierynomus/sshj/issues/175[#175] and https://github.com/hierynomus/sshj/issues/176[#176])
+* Merged https://github.com/hierynomus/sshj/issues/181[#181]: Invalid write packet length when reading with offset (Fixes https://github.com/hierynomus/sshj/issues/180[#180])
+SSHJ 0.11.0 (2015-01-23)::
+* New maven coordinates `com.hierynomus:sshj:0.11.0` as https://github.com/hierynomus[@hierynomus] took over as maintainer of SSHJ
+* Migrated build system to Gradle 2.2.1
+* Merged https://github.com/hierynomus/sshj/issues/150[#150]: Fix for incorrect file handle on some SSH servers, fixes: https://github.com/hierynomus/sshj/issues/54[#54], https://github.com/hierynomus/sshj/issues/119[#119], https://github.com/hierynomus/sshj/issues/168[#168], https://github.com/hierynomus/sshj/issues/169[#169]
+* Made `jzlib` optional in OSGi bundling, fixes: https://github.com/hierynomus/sshj/issues/162[#162]
+* Improved some log levels, fixes: https://github.com/hierynomus/sshj/issues/161[#161]
+* Merged https://github.com/hierynomus/sshj/issues/156[#156], https://github.com/hierynomus/sshj/issues/164[#164], https://github.com/hierynomus/sshj/issues/165[#165]: Fixed block sizes for `hmac-sha2-256` and `hmac-sha2-512`
+* Merged https://github.com/hierynomus/sshj/issues/141[#141]: Add proxy support
+* Merged https://github.com/hierynomus/sshj/issues/157[#157], https://github.com/hierynomus/sshj/issues/163[#163]: Doc and build fixes
+* Upgraded BouncyCastle to 1.51, fixes: https://github.com/hierynomus/sshj/issues/142[#142]
+* Implemented keep-alive with connection drop detection, fixes https://github.com/hierynomus/sshj/issues/166[#166]

README.rst

@@ -1,62 +0,0 @@
-sshj - SSHv2 library for Java
-==============================
-
-To get started, have a look at one of the examples. Hopefully you will find the API pleasant to work with :)
-
-Features of the library include:
-
-* reading known_hosts files for host key verification
-* publickey, password and keyboard-interactive authentication
-* command, subsystem and shell channels
-* local and remote port forwarding
-* scp + complete sftp version 0-3 implementation
-
-Implementations / adapters for the following algorithms are included:
-
-ciphers
-  ``aes{128,192,256}-{cbc,ctr}``, ``blowfish-cbc``, ``3des-cbc``
-
-key exchange
-  ``diffie-hellman-group1-sha1``, ``diffie-hellman-group14-sha1``
-
-signatures
-  ``ssh-rsa``, ``ssh-dss``
-
-mac
-  ``hmac-md5``, ``hmac-md5-96``, ``hmac-sha1``, ``hmac-sha1-96``
-
-compression
-  ``zlib`` and ``zlib@openssh.com`` (delayed zlib)
-
-private key files
-   ``pkcs8`` encoded (what openssh uses)
-
-If you need something that is not included, it shouldn't be too hard to add (do contribute it!)
-
-
-Dependencies
--------------
-
-Java 6+. slf4j_ is required. bouncycastle_ is highly recommended and required for using some of the crypto algorithms. jzlib_ is required for using zlib compression.
-
-Reporting bugs
-----------------
-
-`Issue tracker <https://github.com/shikhar/sshj/issues>`_
-
-Discussion
-------------
-
-`Google Group <http://groups.google.com/group/sshj-users>`_
-
-Contributing
-------------
-
-Fork away!
-
-
-.. _slf4j: http://www.slf4j.org/download.html
-
-.. _bouncycastle: http://www.bouncycastle.org/java.html
-
-.. _jzlib: http://www.jcraft.com/jzlib/

build-publishing.gradle

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+apply plugin: "java"
+apply plugin: "maven-publish"
+apply plugin: "signing"
+
+group = "nl.javadude"
+version = "0.10.1-SNAPSHOT"
+
+repositories {
+  mavenCentral()
+  mavenLocal()
+}
+
+configurations {
+  compile {
+    transitive = false
+  }
+  pom
+}
+
+def bouncycastleVersion = "1.50"
+
+dependencies {
+  compile "org.slf4j:slf4j-api:1.7.7"
+  compile "org.bouncycastle:bcprov-jdk15on:$bouncycastleVersion"
+  compile "org.bouncycastle:bcpkix-jdk15on:$bouncycastleVersion"
+  compile "com.jcraft:jzlib:1.1.3"
+
+  testCompile "junit:junit:4.11"
+  testCompile "org.mockito:mockito-core:1.9.5"
+  testCompile "org.apache.sshd:sshd-core:0.11.0"
+  testRuntime "ch.qos.logback:logback-classic:1.1.2"
+}
+
+task javadocJar(type: Jar) {
+  classifier = 'javadoc'
+  from javadoc
+}
+
+task sourcesJar(type: Jar) {
+  classifier = 'sources'
+  from sourceSets.main.allSource
+}
+
+task generatePom(type: GenerateMavenPom) {
+  destination = file("$buildDir/generated-pom.xml")
+}
+
+artifacts {
+  archives javadocJar, sourcesJar
+  pom generatePom.destination
+}
+
+signing {
+  sign configurations.archives
+}
+
+task signPom(type: Sign) {
+  sign configurations.pom
+}
+
+def getSignatureFiles = {
+  def allFiles = project.tasks.signArchives.signatureFiles.collect { it }
+  def signedSources = allFiles.find { it.name.contains('-sources') }
+  def signedJavadoc = allFiles.find { it.name.contains('-javadoc') }
+  def signedJar = (allFiles - [signedSources, signedJavadoc])[0]
+  return [
+    [archive: signedSources, classifier: 'sources', extension: 'jar.asc'],
+    [archive: signedJavadoc, classifier: 'javadoc', extension: 'jar.asc'],
+    [archive: signedJar,     classifier: null,      extension: 'jar.asc']
+  ]
+}
+
+def getPomSignature = {
+    return project.tasks.signPom.signatureFiles.collect{it}[0]
+}
+
+
+publishing {
+  publications {
+    gpgJars(MavenPublication) {
+      getSignatureFiles().each {signature ->
+        artifact (signature.archive) {
+          classifier = signature.classifier
+          extension  = signature.extension
+        }
+      }
+    }
+    gpgPom(MavenPublication) {
+      artifact(getPomSignature()) {
+        classifier = null
+        extension = "pom.asc"
+      }
+    }
+    maven(MavenPublication) {
+      from components.java
+      artifact (javadocJar) {
+        classifier = 'javadoc'
+      }
+
+      artifact (sourcesJar) {
+        classifier = 'sources'
+      }
+
+      pom.withXml {
+        asNode().children().last() + {
+          resolveStrategy = Closure.DELEGATE_FIRST
+          name "sshj"
+          description "SSHv2 library for Java"
+          url "https://github.com/hierynomus/sshj"
+          inceptionYear "2009"
+
+          issueManagement {
+            system "github"
+            url "https://github.com/hierynomus/sshj/issues"
+          }
+
+          scm {
+            connection "scm:git:git://github.com/hierynomus/sshj.git"
+            developerConnection "scm:git:git@github.com:hierynomus/sshj.git"
+            url "https://github.com/hierynomus/sshj.git"
+          }
+
+          licenses {
+            license {
+              name "Apache 2"
+              url "http://www.apache.org/licenses/LICENSE-2.0.txt"
+              distribution "repo"
+            }
+          }
+
+          developers {
+            developer {
+              id "hierynomus"
+              name "Jeroen van Erp"
+              email "jeroen@javadude.nl"
+              roles {
+                role "Lead developer"
+              }
+            }
+            developer {
+              id "shikhar"
+              name "Shikhar Bhushan"
+              email "shikhar@schmizz.net"
+              url "http://schmizz.net"
+              roles {
+                role "Previous lead developer"
+              }
+            }
+            developer {
+              id "iterate"
+              name "David Kocher"
+              email "dkocher@iterate.ch"
+              organization "iterage GmbH"
+              organizationUrl "https://iterate.ch"
+              roles {
+                role "Developer"
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  repositories {
+    maven {
+      url "file:/${project.projectDir}/artifacts"
+    }
+  }
+}
+
+project.afterEvaluate { p ->
+  p.tasks.publishGpgPomPublicationToMavenRepository.dependsOn("generatePom", "signPom")
+}
+
+generatePom.configure {
+  pom = publishing.publications.getByName("maven").pom
+}

build.gradle

@@ -0,0 +1,168 @@
+apply plugin: "java"
+apply plugin: "maven"
+apply plugin: "signing"
+apply plugin: "osgi"
+
+group = "com.hierynomus"
+version = "0.13.0"
+
+repositories {
+  mavenCentral()
+  mavenLocal()
+}
+
+sourceCompatibility = 1.6
+targetCompatibility = 1.6
+
+configurations {
+  compile {
+    transitive = false
+  }
+}
+
+test {
+  include "**/*Test.*"
+  if (!project.hasProperty("allTests")) {
+    useJUnit {
+      excludeCategories 'com.hierynomus.sshj.test.SlowTests'
+      excludeCategories 'com.hierynomus.sshj.test.KnownFailingTests'
+    }
+  }
+
+  afterSuite { descriptor, result ->
+    if (descriptor.className != null) {
+      def indicator = "\u001B[32m✓\u001b[0m"
+      if (result.failedTestCount > 0) {
+        indicator = "\u001B[31m✘\u001b[0m"
+      }
+      logger.lifecycle("$indicator Test ${descriptor.name}; Executed: ${result.testCount}/\u001B[32m${result.successfulTestCount}\u001B[0m/\u001B[31m${result.failedTestCount}\u001B[0m")
+    }
+  }
+}
+
+def bouncycastleVersion = "1.51"
+
+dependencies {
+  compile "org.slf4j:slf4j-api:1.7.7"
+  compile "org.bouncycastle:bcprov-jdk15on:$bouncycastleVersion"
+  compile "org.bouncycastle:bcpkix-jdk15on:$bouncycastleVersion"
+  compile "com.jcraft:jzlib:1.1.3"
+
+  testCompile "junit:junit:4.11"
+  testCompile "org.mockito:mockito-core:1.9.5"
+  testCompile "org.apache.sshd:sshd-core:0.11.0"
+  testRuntime "ch.qos.logback:logback-classic:1.1.2"
+}
+
+jar {
+  manifest {
+    instruction "Bundle-Description", "SSHv2 library for Java"
+    instruction "Bundle-License", "http://www.apache.org/licenses/LICENSE-2.0.txt"
+    instruction "Import-Package", "!net.schmizz.*"
+    instruction "Import-Package", "javax.crypto*"
+    instruction "Import-Package", "com.jcraft.jzlib*;version=\"[1.1,2)\";resolution:=optional"
+    instruction "Import-Package", "org.slf4j*;version=\"[1.7,5)\""
+    instruction "Import-Package", "org.bouncycastle*"
+    instruction "Import-Package", "*"
+    instruction "Export-Package", "net.schmizz.*"
+  }
+}
+
+task javadocJar(type: Jar) {
+  classifier = 'javadoc'
+  from javadoc
+}
+
+task sourcesJar(type: Jar) {
+  classifier = 'sources'
+  from sourceSets.main.allSource
+}
+
+artifacts {
+  archives javadocJar, sourcesJar
+}
+
+signing {
+  required { !version.contains("SNAPSHOT") && gradle.taskGraph.hasTask("uploadArchives") }
+  sign configurations.archives
+}
+
+// This disables the pedantic doclint feature of JDK8
+if (JavaVersion.current().isJava8Compatible()) {
+    tasks.withType(Javadoc) {
+        options.addStringOption('Xdoclint:none', '-quiet')
+    }
+}
+
+uploadArchives {
+  if(project.hasProperty('sonatypeUsername')) {
+    repositories.mavenDeployer {
+      beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
+
+      configuration = configurations.archives
+
+      repository(url: 'https://oss.sonatype.org/service/local/staging/deploy/maven2') {
+        authentication(userName: sonatypeUsername, password: sonatypePassword)
+      }
+      snapshotRepository(url: 'https://oss.sonatype.org/content/repositories/snapshots/') {
+        authentication(userName: sonatypeUsername, password: sonatypePassword)
+      }
+
+      pom.project {
+        name "sshj"
+        description "SSHv2 library for Java"
+        url "https://github.com/hierynomus/sshj"
+        inceptionYear "2009"
+
+        issueManagement {
+          system "github"
+          url "https://github.com/hierynomus/sshj/issues"
+        }
+
+        scm {
+          connection "scm:git:git://github.com/hierynomus/sshj.git"
+          developerConnection "scm:git:git@github.com:hierynomus/sshj.git"
+          url "https://github.com/hierynomus/sshj.git"
+        }
+
+        licenses {
+          license {
+            name "Apache 2"
+            url "http://www.apache.org/licenses/LICENSE-2.0.txt"
+            distribution "repo"
+          }
+        }
+
+        developers {
+          developer {
+            id "hierynomus"
+            name "Jeroen van Erp"
+            email "jeroen@javadude.nl"
+            roles {
+              role "Lead developer"
+            }
+          }
+          developer {
+            id "shikhar"
+            name "Shikhar Bhushan"
+            email "shikhar@schmizz.net"
+            url "http://schmizz.net"
+            roles {
+              role "Previous lead developer"
+            }
+          }
+          developer {
+            id "iterate"
+            name "David Kocher"
+            email "dkocher@iterate.ch"
+            organization "iterage GmbH"
+            organizationUrl "https://iterate.ch"
+            roles {
+              role "Developer"
+            }
+          }
+        }
+      }
+    }
+  }
+}

examples/pom.xml

@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright 2009 sshj contributors
+
+    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>
+
+    <groupId>com.hierynomus</groupId>
+    <artifactId>sshj-examples</artifactId>
+    <packaging>jar</packaging>
+    <version>0.13.0</version>
+
+    <name>sshj-examples</name>
+    <description>Examples for SSHv2 library for Java</description>
+    <url>http://github.com/hierynomus/sshj</url>
+
+    <inceptionYear>2015</inceptionYear>
+
+    <issueManagement>
+        <system>github</system>
+        <url>http://github.com/hierynomus/sshj/issues</url>
+    </issueManagement>
+
+    <scm>
+        <connection>scm:git:git://github.com/hierynomus/sshj.git</connection>
+        <developerConnection>scm:git:git@github.com:hierynomus/sshj.git</developerConnection>
+        <url>http://github.com/hierynomus/sshj</url>
+    </scm>
+
+    <licenses>
+        <license>
+            <name>Apache 2</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.hierynomus</groupId>
+            <artifactId>sshj</artifactId>
+            <version>0.13.0</version>
+        </dependency>
+    </dependencies>
+
+
+    <developers>
+        <developer>
+            <id>hierynomus</id>
+            <name>Jeroen van Erp</name>
+            <email>jeroen@hierynomus.com</email>
+        </developer>
+        <developer>
+            <id>shikhar</id>
+            <name>Shikhar Bhushan</name>
+            <email>shikhar@schmizz.net</email>
+            <url>http://schmizz.net</url>
+        </developer>
+        <developer>
+            <id>iterate</id>
+            <name>David Kocher</name>
+            <email>dkocher@iterate.ch</email>
+            <organization>iterate GmbH</organization>
+            <organizationUrl>https://iterate.ch</organizationUrl>
+        </developer>
+    </developers>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

examples/src/main/java/net/schmizz/sshj/examples/Exec.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.common.IOUtils;

examples/src/main/java/net/schmizz/sshj/examples/KeepAlive.java

@@ -0,0 +1,55 @@
+/**
+ * Copyright 2009 sshj contributors
+ *
+ * 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 net.schmizz.sshj.examples;
+
+import net.schmizz.keepalive.KeepAliveProvider;
+import net.schmizz.sshj.DefaultConfig;
+import net.schmizz.sshj.SSHClient;
+import net.schmizz.sshj.common.IOUtils;
+import net.schmizz.sshj.connection.channel.direct.Session;
+import net.schmizz.sshj.connection.channel.direct.Session.Command;
+import net.schmizz.sshj.transport.verification.PromiscuousVerifier;
+
+import java.io.IOException;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/** This examples demonstrates how to setup keep-alive to detect connection dropping. */
+public class KeepAlive {
+
+    public static void main(String... args)
+            throws IOException, InterruptedException {
+        DefaultConfig defaultConfig = new DefaultConfig();
+        defaultConfig.setKeepAliveProvider(KeepAliveProvider.KEEP_ALIVE);
+        final SSHClient ssh = new SSHClient(defaultConfig);
+        try {
+            ssh.addHostKeyVerifier(new PromiscuousVerifier());
+            ssh.connect(args[0]);
+            ssh.getConnection().getKeepAlive().setKeepAliveInterval(5); //every 60sec
+            ssh.authPassword(args[1], args[2]);
+            Session session = ssh.startSession();
+            session.allocateDefaultPTY();
+            new CountDownLatch(1).await();
+            try {
+                session.allocateDefaultPTY();
+            } finally {
+                session.close();
+            }
+        } finally {
+            ssh.disconnect();
+        }
+    }
+}

examples/src/main/java/net/schmizz/sshj/examples/LocalPF.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.connection.channel.direct.LocalPortForwarder;

examples/src/main/java/net/schmizz/sshj/examples/RemotePF.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.connection.channel.forwarded.RemotePortForwarder.Forward;

examples/src/main/java/net/schmizz/sshj/examples/RudimentaryPTY.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.common.StreamCopier;

examples/src/main/java/net/schmizz/sshj/examples/SCPDownload.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.xfer.FileSystemFile;

examples/src/main/java/net/schmizz/sshj/examples/SCPUpload.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.xfer.FileSystemFile;

examples/src/main/java/net/schmizz/sshj/examples/SFTPDownload.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.sftp.SFTPClient;

examples/src/main/java/net/schmizz/sshj/examples/SFTPUpload.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.sftp.SFTPClient;

examples/src/main/java/net/schmizz/sshj/examples/X11.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package examples;
+package net.schmizz.sshj.examples;
 
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.common.StreamCopier;

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Wed Jan 21 09:17:25 CET 2015
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.3-bin.zip

gradlew

@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

gradlew.bat

@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

pom.xml

@@ -1,257 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<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>
-
-    <groupId>net.schmizz</groupId>
-    <artifactId>sshj</artifactId>
-    <packaging>bundle</packaging>
-    <version>0.9.0</version>
-
-    <name>sshj</name>
-    <description>SSHv2 library for Java</description>
-    <url>http://github.com/shikhar/sshj</url>
-
-    <inceptionYear>2009</inceptionYear>
-
-    <issueManagement>
-        <system>github</system>
-        <url>http://github.com/shikhar/sshj/issues</url>
-    </issueManagement>
-
-    <scm>
-        <connection>scm:git:git://github.com/shikhar/sshj.git</connection>
-        <developerConnection>scm:git:git@github.com:shikhar/sshj.git</developerConnection>
-        <url>http://github.com/shikhar/sshj</url>
-      <tag>v0.9.0</tag>
-  </scm>
-
-    <licenses>
-        <license>
-            <name>Apache 2</name>
-            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
-            <distribution>repo</distribution>
-        </license>
-    </licenses>
-
-    <parent>
-        <groupId>org.sonatype.oss</groupId>
-        <artifactId>oss-parent</artifactId>
-        <version>7</version>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>1.7.5</version>
-        </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcpkix-jdk15on</artifactId>
-            <version>1.49</version>
-        </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.49</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.jcraft</groupId>
-            <artifactId>jzlib</artifactId>
-            <version>1.1.2</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.sshd</groupId>
-            <artifactId>sshd-core</artifactId>
-            <version>0.8.0</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>ch.qos.logback</groupId>
-            <artifactId>logback-core</artifactId>
-            <version>1.0.13</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.11</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>ch.qos.logback</groupId>
-            <artifactId>logback-classic</artifactId>
-            <version>1.0.13</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.mockito</groupId>
-            <artifactId>mockito-all</artifactId>
-            <version>1.9.5</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
-
-    <developers>
-        <developer>
-            <id>shikhar</id>
-            <name>Shikhar Bhushan</name>
-            <email>shikhar@schmizz.net</email>
-            <url>http://schmizz.net</url>
-        </developer>
-    </developers>
-
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
-                <configuration>
-                    <excludes>
-                        <exclude>examples/*.java</exclude>
-                    </excludes>
-                    <source>1.6</source>
-                    <target>1.6</target>
-                </configuration>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-release-plugin</artifactId>
-                <version>2.4.1</version>
-                <configuration>
-                    <mavenExecutorId>forked-path</mavenExecutorId>
-                </configuration>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-source-plugin</artifactId>
-                <version>2.1.2</version>
-                <executions>
-                    <execution>
-                        <id>attach-sources</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
-                <configuration>
-                    <encoding>${project.build.sourceEncoding}</encoding>
-                </configuration>
-                <executions>
-                    <execution>
-                        <id>attach-javadocs</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-                <version>2.4.0</version>
-                <extensions>true</extensions>
-                <configuration>
-                    <instructions>
-                        <Import-Package>
-                            !net.schmizz.*,
-                            javax.crypto*,
-                            com.jcraft.jzlib*;version="[1.1,2)",
-                            org.slf4j*;version="[1.7,5)",
-                            org.bouncycastle*,
-                            *
-                        </Import-Package>
-                        <Export-Package>net.schmizz.*</Export-Package>
-                    </instructions>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-    <distributionManagement>
-        <repository>
-            <id>sonatype-nexus-staging</id>
-            <name>Nexus Release Repository</name>
-            <url>http://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-        </repository>
-        <snapshotRepository>
-            <id>sonatype-nexus-snapshots</id>
-            <name>Sonatype Nexus Snapshots</name>
-            <url>http://oss.sonatype.org/content/repositories/snapshots</url>
-        </snapshotRepository>
-    </distributionManagement>
-
-    <profiles>
-        <profile>
-            <id>full-deps</id>
-            <dependencies>
-                <dependency>
-                    <groupId>org.bouncycastle</groupId>
-                    <artifactId>bcprov-jdk15on</artifactId>
-                    <version>1.49</version>
-                </dependency>
-                <dependency>
-                    <groupId>com.jcraft</groupId>
-                    <artifactId>jzlib</artifactId>
-                    <version>1.0.7</version>
-                </dependency>
-                <dependency>
-                    <groupId>ch.qos.logback</groupId>
-                    <artifactId>logback-core</artifactId>
-                    <version>1.0.13</version>
-                </dependency>
-                <dependency>
-                    <groupId>ch.qos.logback</groupId>
-                    <artifactId>logback-classic</artifactId>
-                    <version>1.0.13</version>
-                </dependency>
-            </dependencies>
-        </profile>
-        <profile>
-            <id>release-sign-artifacts</id>
-            <activation>
-                <property>
-                    <name>performRelease</name>
-                    <value>true</value>
-                </property>
-            </activation>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.4</version>
-                        <configuration>
-                            <passphrase>${gpg.passphrase}</passphrase>
-                        </configuration>
-                        <executions>
-                            <execution>
-                                <id>sign-artifacts</id>
-                                <phase>verify</phase>
-                                <goals>
-                                    <goal>sign</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-
-    </profiles>
-
-</project>

src/assemble/examples.xml

@@ -1,15 +0,0 @@
-<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
-          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-          xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
-    <id>examples</id>
-    <formats>
-        <format>zip</format>
-    </formats>
-    <fileSets>
-        <fileSet>
-            <directory>src/main/java/examples</directory>
-            <includes/>
-            <outputDirectory>examples</outputDirectory>
-        </fileSet>
-    </fileSets>
-</assembly>

src/etc/license-header

@@ -0,0 +1,13 @@
+Copyright ${project.inceptionYear} ${owner}
+
+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.

src/main/java/com/hierynomus/sshj/backport/JavaVersion.java

@@ -0,0 +1,13 @@
+package com.hierynomus.sshj.backport;
+
+import java.math.BigDecimal;
+
+public class JavaVersion {
+    public static boolean isJava7OrEarlier() {
+        String property = System.getProperty("java.specification.version");
+        float diff = Float.parseFloat(property) - 1.7f;
+
+        return diff < 0.01;
+    }
+
+}

src/main/java/com/hierynomus/sshj/backport/Jdk7HttpProxySocket.java

@@ -0,0 +1,62 @@
+package com.hierynomus.sshj.backport;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.*;
+import java.nio.charset.Charset;
+
+public class Jdk7HttpProxySocket extends Socket {
+
+    private Proxy httpProxy = null;
+
+    public Jdk7HttpProxySocket(Proxy proxy) {
+        super(proxy.type() == Proxy.Type.HTTP ? Proxy.NO_PROXY : proxy);
+        if (proxy.type() == Proxy.Type.HTTP) {
+            this.httpProxy = proxy;
+        }
+    }
+
+    @Override
+    public void connect(SocketAddress endpoint, int timeout) throws IOException {
+        if (httpProxy != null) {
+            connectHttpProxy(endpoint, timeout);
+        } else {
+            super.connect(endpoint, timeout);
+        }
+    }
+
+    private void connectHttpProxy(SocketAddress endpoint, int timeout) throws IOException {
+        super.connect(httpProxy.address(), timeout);
+
+        if (!(endpoint instanceof InetSocketAddress)) {
+            throw new SocketException("Expected an InetSocketAddress to connect to, got: " + endpoint);
+        }
+        InetSocketAddress isa = (InetSocketAddress) endpoint;
+        String httpConnect = "CONNECT " + isa.getHostName() + ":" + isa.getPort() + " HTTP/1.0\n\n";
+        getOutputStream().write(httpConnect.getBytes(Charset.forName("UTF-8")));
+        checkAndFlushProxyResponse();
+    }
+
+    private void checkAndFlushProxyResponse()throws IOException {
+        InputStream socketInput = getInputStream();
+        byte[] tmpBuffer = new byte[512];
+        int len = socketInput.read(tmpBuffer, 0, tmpBuffer.length);
+
+        if (len == 0) {
+            throw new SocketException("Empty response from proxy");
+        }
+
+        String proxyResponse = new String(tmpBuffer, 0, len, "UTF-8");
+
+        // Expecting HTTP/1.x 200 OK
+        if (proxyResponse.contains("200")) {
+            // Flush any outstanding message in buffer
+            if (socketInput.available() > 0) {
+                socketInput.skip(socketInput.available());
+            }
+            // Proxy Connect Successful
+        } else {
+            throw new SocketException("Fail to create Socket\nResponse was:" + proxyResponse);
+        }
+    }
+}

src/main/java/com/hierynomus/sshj/backport/Sockets.java

@@ -0,0 +1,26 @@
+package com.hierynomus.sshj.backport;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.Socket;
+
+public class Sockets {
+
+    /**
+     * Java 7 and up have Socket implemented as Closeable, whereas Java6 did not have this inheritance.
+     * @param socket The socket to wrap as Closeable
+     * @return The (potentially wrapped) Socket as a Closeable.
+     */
+    public static Closeable asCloseable(final Socket socket) {
+        if (Closeable.class.isAssignableFrom(socket.getClass())) {
+            return Closeable.class.cast(socket);
+        } else {
+            return new Closeable() {
+                @Override
+                public void close() throws IOException {
+                    socket.close();
+                }
+            };
+        }
+    }
+}

src/main/java/net/schmizz/concurrent/ErrorDeliveryUtil.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/concurrent/Event.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/concurrent/ExceptionChainer.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/concurrent/Promise.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -202,6 +202,16 @@ public class Promise<V, T extends Throwable> {
         }
     }
 
+    /** @return whether this promise was fulfilled with either a value or an error. */
+    public boolean isFulfilled() {
+        lock.lock();
+        try {
+            return pendingEx != null || val != null;
+        } finally {
+            lock.unlock();
+        }
+    }
+
     /** @return whether this promise has threads waiting on it. */
     public boolean hasWaiters() {
         lock.lock();

src/main/java/net/schmizz/keepalive/Heartbeater.java

@@ -0,0 +1,34 @@
+/**
+ * Copyright 2009 sshj contributors
+ *
+ * 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 net.schmizz.keepalive;
+
+import net.schmizz.sshj.common.Message;
+import net.schmizz.sshj.common.SSHPacket;
+import net.schmizz.sshj.connection.ConnectionImpl;
+import net.schmizz.sshj.transport.TransportException;
+
+final class Heartbeater
+        extends KeepAlive {
+
+    Heartbeater(ConnectionImpl conn) {
+        super(conn, "heartbeater");
+    }
+
+    @Override
+    protected void doKeepAlive() throws TransportException {
+        conn.getTransport().write(new SSHPacket(Message.IGNORE));
+    }
+}

src/main/java/net/schmizz/keepalive/KeepAlive.java

@@ -0,0 +1,81 @@
+/**
+ * Copyright 2009 sshj contributors
+ *
+ * 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 net.schmizz.keepalive;
+
+import net.schmizz.sshj.connection.ConnectionException;
+import net.schmizz.sshj.connection.ConnectionImpl;
+import net.schmizz.sshj.transport.TransportException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public abstract class KeepAlive extends Thread {
+    protected final Logger log = LoggerFactory.getLogger(getClass());
+
+    protected final ConnectionImpl conn;
+
+    protected int keepAliveInterval = 0;
+
+    protected KeepAlive(ConnectionImpl conn, String name) {
+        this.conn = conn;
+        setName(name);
+    }
+
+    public synchronized int getKeepAliveInterval() {
+        return keepAliveInterval;
+    }
+
+    public synchronized void setKeepAliveInterval(int keepAliveInterval) {
+        this.keepAliveInterval = keepAliveInterval;
+        if (keepAliveInterval > 0 && getState() == State.NEW) {
+            start();
+        }
+        notify();
+    }
+
+    synchronized protected int getPositiveInterval()
+            throws InterruptedException {
+        while (keepAliveInterval <= 0) {
+            wait();
+        }
+        return keepAliveInterval;
+    }
+
+    @Override
+    public void run() {
+        log.debug("Starting {}, sending keep-alive every {} seconds", getClass().getSimpleName(), keepAliveInterval);
+        try {
+            while (!isInterrupted()) {
+                final int hi = getPositiveInterval();
+                if (conn.getTransport().isRunning()) {
+                    log.debug("Sending keep-alive since {} seconds elapsed", hi);
+                    doKeepAlive();
+                }
+                Thread.sleep(hi * 1000);
+            }
+        } catch (Exception e) {
+            // If we weren't interrupted, kill the transport, then this exception was unexpected.
+            // Else we're in shutdown-mode already, so don't forcibly kill the transport.
+            if (!isInterrupted()) {
+                conn.getTransport().die(e);
+            }
+        }
+
+        log.debug("Stopping {}", getClass().getSimpleName());
+
+    }
+
+    protected abstract void doKeepAlive() throws TransportException, ConnectionException;
+}

src/main/java/net/schmizz/keepalive/KeepAliveProvider.java

@@ -0,0 +1,39 @@
+/**
+ * Copyright 2009 sshj contributors
+ *
+ * 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 net.schmizz.keepalive;
+
+import net.schmizz.sshj.connection.ConnectionImpl;
+
+public abstract class KeepAliveProvider {
+
+    public static final KeepAliveProvider HEARTBEAT = new KeepAliveProvider() {
+        @Override
+        public KeepAlive provide(ConnectionImpl connection) {
+            return new Heartbeater(connection);
+        }
+    };
+
+    public static final KeepAliveProvider KEEP_ALIVE = new KeepAliveProvider() {
+        @Override
+        public KeepAlive provide(ConnectionImpl connection) {
+            return new KeepAliveRunner(connection);
+        }
+    };
+
+    public abstract KeepAlive provide(ConnectionImpl connection);
+
+
+}

src/main/java/net/schmizz/keepalive/KeepAliveRunner.java

@@ -0,0 +1,76 @@
+/**
+ * Copyright 2009 sshj contributors
+ *
+ * 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 net.schmizz.keepalive;
+
+import net.schmizz.concurrent.Promise;
+import net.schmizz.sshj.common.SSHPacket;
+import net.schmizz.sshj.connection.ConnectionException;
+import net.schmizz.sshj.connection.ConnectionImpl;
+import net.schmizz.sshj.transport.TransportException;
+
+import java.util.LinkedList;
+import java.util.Queue;
+
+import static java.lang.String.format;
+import static net.schmizz.sshj.common.DisconnectReason.CONNECTION_LOST;
+
+public class KeepAliveRunner extends KeepAlive {
+
+    /** The max number of keep-alives that should be unanswered before killing the connection. */
+    private int maxAliveCount = 5;
+
+    /** The queue of promises. */
+    private final Queue<Promise<SSHPacket, ConnectionException>> queue =
+            new LinkedList<Promise<SSHPacket, ConnectionException>>();
+
+    KeepAliveRunner(ConnectionImpl conn) {
+        super(conn, "keep-alive");
+    }
+
+    synchronized public int getMaxAliveCount() {
+        return maxAliveCount;
+    }
+
+    synchronized public void setMaxAliveCount(int maxAliveCount) {
+        this.maxAliveCount = maxAliveCount;
+    }
+
+    @Override
+    protected void doKeepAlive() throws TransportException, ConnectionException {
+        // Ensure the service is set... This means that the key exchange is done and the connection is up.
+        if (conn.equals(conn.getTransport().getService())) {
+            emptyQueue(queue);
+            checkMaxReached(queue);
+            queue.add(conn.sendGlobalRequest("keepalive@openssh.com", true, new byte[0]));
+        }
+    }
+
+    private void checkMaxReached(Queue<Promise<SSHPacket, ConnectionException>> queue) throws ConnectionException {
+        if (queue.size() >= maxAliveCount) {
+            throw new ConnectionException(CONNECTION_LOST,
+                    format("Did not receive any keep-alive response for %s seconds", maxAliveCount * keepAliveInterval));
+        }
+    }
+
+    private void emptyQueue(Queue<Promise<SSHPacket, ConnectionException>> queue) {
+        Promise<SSHPacket, ConnectionException> peek = queue.peek();
+        while (peek != null && peek.isFulfilled()) {
+            log.debug("Received response from server to our keep-alive.");
+            queue.remove();
+            peek = queue.peek();
+        }
+    }
+}

src/main/java/net/schmizz/sshj/AbstractService.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/AndroidConfig.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/Config.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,6 +15,7 @@
  */
 package net.schmizz.sshj;
 
+import net.schmizz.keepalive.KeepAliveProvider;
 import net.schmizz.sshj.common.Factory;
 import net.schmizz.sshj.signature.Signature;
 import net.schmizz.sshj.transport.cipher.Cipher;
@@ -144,4 +145,14 @@ public interface Config {
      */
     void setVersion(String version);
 
+    /**
+     * @return The provider that creates the keep-alive implementation of choice.
+     */
+    KeepAliveProvider getKeepAliveProvider();
+
+    /**
+     * Set the provider that provides the keep-alive implementation.
+     * @param keepAliveProvider keep-alive provider
+     */
+    void setKeepAliveProvider(KeepAliveProvider keepAliveProvider);
 }

src/main/java/net/schmizz/sshj/ConfigImpl.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,29 +12,10 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj;
 
+import net.schmizz.keepalive.KeepAliveProvider;
 import net.schmizz.sshj.common.Factory;
 import net.schmizz.sshj.signature.Signature;
 import net.schmizz.sshj.transport.cipher.Cipher;
@@ -54,6 +35,7 @@ public class ConfigImpl
     private String version;
 
     private Factory<Random> randomFactory;
+    private KeepAliveProvider keepAliveProvider;
 
     private List<Factory.Named<KeyExchange>> kexFactories;
     private List<Factory.Named<Cipher>> cipherFactories;
@@ -166,4 +148,13 @@ public class ConfigImpl
         this.version = version;
     }
 
+    @Override
+    public KeepAliveProvider getKeepAliveProvider() {
+        return keepAliveProvider;
+    }
+
+    @Override
+    public void setKeepAliveProvider(KeepAliveProvider keepAliveProvider) {
+        this.keepAliveProvider = keepAliveProvider;
+    }
 }

src/main/java/net/schmizz/sshj/DefaultConfig.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,33 +12,14 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj;
 
+import net.schmizz.keepalive.KeepAliveProvider;
 import net.schmizz.sshj.common.Factory;
 import net.schmizz.sshj.common.SecurityUtils;
 import net.schmizz.sshj.signature.SignatureDSA;
+import net.schmizz.sshj.signature.SignatureECDSA;
 import net.schmizz.sshj.signature.SignatureRSA;
 import net.schmizz.sshj.transport.cipher.AES128CBC;
 import net.schmizz.sshj.transport.cipher.AES128CTR;
@@ -56,11 +37,15 @@ import net.schmizz.sshj.transport.mac.HMACMD5;
 import net.schmizz.sshj.transport.mac.HMACMD596;
 import net.schmizz.sshj.transport.mac.HMACSHA1;
 import net.schmizz.sshj.transport.mac.HMACSHA196;
+import net.schmizz.sshj.transport.mac.HMACSHA2256;
+import net.schmizz.sshj.transport.mac.HMACSHA2512;
 import net.schmizz.sshj.transport.random.BouncyCastleRandom;
 import net.schmizz.sshj.transport.random.JCERandom;
 import net.schmizz.sshj.transport.random.SingletonRandomFactory;
 import net.schmizz.sshj.userauth.keyprovider.OpenSSHKeyFile;
 import net.schmizz.sshj.userauth.keyprovider.PKCS8KeyFile;
+import net.schmizz.sshj.userauth.keyprovider.PuTTYKeyFile;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -70,22 +55,22 @@ import java.util.LinkedList;
 import java.util.List;
 
 /**
- * A {@link Config} that is initialized as follows. Items marked with an asterisk are added to the config only if
+ * A {@link net.schmizz.sshj.Config} that is initialized as follows. Items marked with an asterisk are added to the config only if
  * BouncyCastle is in the classpath.
  * <p/>
  * <ul>
- * <li>{@link ConfigImpl#setKeyExchangeFactories Key exchange}: {@link DHG14}*, {@link DHG1}</li>
- * <li>{@link ConfigImpl#setCipherFactories Ciphers} [1]: {@link AES128CTR}, {@link AES192CTR}, {@link AES256CTR},
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setKeyExchangeFactories Key exchange}: {@link net.schmizz.sshj.transport.kex.DHG14}*, {@link net.schmizz.sshj.transport.kex.DHG1}</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setCipherFactories Ciphers} [1]: {@link net.schmizz.sshj.transport.cipher.AES128CTR}, {@link net.schmizz.sshj.transport.cipher.AES192CTR}, {@link net.schmizz.sshj.transport.cipher.AES256CTR},
  * {@link
- * AES128CBC}, {@link AES192CBC}, {@link AES256CBC}, {@link AES192CBC}, {@link TripleDESCBC}, {@link BlowfishCBC}</li>
- * <li>{@link ConfigImpl#setMACFactories MAC}: {@link HMACSHA1}, {@link HMACSHA196}, {@link HMACMD5}, {@link
- * HMACMD596}</li>
- * <li>{@link ConfigImpl#setCompressionFactories Compression}: {@link NoneCompression}</li>
- * <li>{@link ConfigImpl#setSignatureFactories Signature}: {@link SignatureRSA}, {@link SignatureDSA}</li>
- * <li>{@link ConfigImpl#setRandomFactory PRNG}: {@link BouncyCastleRandom}* or {@link JCERandom}</li>
- * <li>{@link ConfigImpl#setFileKeyProviderFactories Key file support}: {@link PKCS8KeyFile}*, {@link
- * OpenSSHKeyFile}*</li>
- * <li>{@link ConfigImpl#setVersion Client version}: {@code "NET_3_0"}</li>
+ * net.schmizz.sshj.transport.cipher.AES128CBC}, {@link net.schmizz.sshj.transport.cipher.AES192CBC}, {@link net.schmizz.sshj.transport.cipher.AES256CBC}, {@link net.schmizz.sshj.transport.cipher.AES192CBC}, {@link net.schmizz.sshj.transport.cipher.TripleDESCBC}, {@link net.schmizz.sshj.transport.cipher.BlowfishCBC}</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setMACFactories MAC}: {@link net.schmizz.sshj.transport.mac.HMACSHA1}, {@link net.schmizz.sshj.transport.mac.HMACSHA196}, {@link net.schmizz.sshj.transport.mac.HMACMD5}, {@link
+ * net.schmizz.sshj.transport.mac.HMACMD596}</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setCompressionFactories Compression}: {@link net.schmizz.sshj.transport.compression.NoneCompression}</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setSignatureFactories Signature}: {@link net.schmizz.sshj.signature.SignatureRSA}, {@link net.schmizz.sshj.signature.SignatureDSA}</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setRandomFactory PRNG}: {@link net.schmizz.sshj.transport.random.BouncyCastleRandom}* or {@link net.schmizz.sshj.transport.random.JCERandom}</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setFileKeyProviderFactories Key file support}: {@link net.schmizz.sshj.userauth.keyprovider.PKCS8KeyFile}*, {@link
+ * net.schmizz.sshj.userauth.keyprovider.OpenSSHKeyFile}*</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setVersion Client version}: {@code "NET_3_0"}</li>
  * </ul>
  * <p/>
  * [1] It is worth noting that Sun's JRE does not have the unlimited cryptography extension enabled by default. This
@@ -96,7 +81,7 @@ public class DefaultConfig
 
     private final Logger log = LoggerFactory.getLogger(getClass());
 
-    private static final String VERSION = "SSHJ_0_9_0";
+    private static final String VERSION = "SSHJ_0_13_0";
 
     public DefaultConfig() {
         setVersion(VERSION);
@@ -108,6 +93,7 @@ public class DefaultConfig
         initCompressionFactories();
         initMACFactories();
         initSignatureFactories();
+        setKeepAliveProvider(KeepAliveProvider.HEARTBEAT);
     }
 
     protected void initKeyExchangeFactories(boolean bouncyCastleRegistered) {
@@ -124,7 +110,7 @@ public class DefaultConfig
 
     protected void initFileKeyProviderFactories(boolean bouncyCastleRegistered) {
         if (bouncyCastleRegistered) {
-            setFileKeyProviderFactories(new PKCS8KeyFile.Factory(), new OpenSSHKeyFile.Factory());
+            setFileKeyProviderFactories(new PKCS8KeyFile.Factory(), new OpenSSHKeyFile.Factory(), new PuTTYKeyFile.Factory());
         }
     }
 
@@ -162,12 +148,12 @@ public class DefaultConfig
     }
 
     protected void initSignatureFactories() {
-        setSignatureFactories(new SignatureRSA.Factory(), new SignatureDSA.Factory());
+        setSignatureFactories(new SignatureECDSA.Factory(), new SignatureRSA.Factory(), new SignatureDSA.Factory());
     }
 
     protected void initMACFactories() {
         setMACFactories(new HMACSHA1.Factory(), new HMACSHA196.Factory(), new HMACMD5.Factory(),
-                new HMACMD596.Factory());
+                new HMACMD596.Factory(), new HMACSHA2256.Factory(), new HMACSHA2512.Factory());
     }
 
     protected void initCompressionFactories() {

src/main/java/net/schmizz/sshj/SSHClient.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package net.schmizz.sshj;
 
 import net.schmizz.sshj.common.Factory;
@@ -40,15 +39,18 @@ import net.schmizz.sshj.transport.TransportImpl;
 import net.schmizz.sshj.transport.compression.DelayedZlibCompression;
 import net.schmizz.sshj.transport.compression.NoneCompression;
 import net.schmizz.sshj.transport.compression.ZlibCompression;
+import net.schmizz.sshj.transport.verification.AlgorithmsVerifier;
 import net.schmizz.sshj.transport.verification.HostKeyVerifier;
 import net.schmizz.sshj.transport.verification.OpenSSHKnownHosts;
 import net.schmizz.sshj.userauth.UserAuth;
 import net.schmizz.sshj.userauth.UserAuthException;
 import net.schmizz.sshj.userauth.UserAuthImpl;
 import net.schmizz.sshj.userauth.keyprovider.FileKeyProvider;
+import net.schmizz.sshj.userauth.keyprovider.KeyFormat;
 import net.schmizz.sshj.userauth.keyprovider.KeyPairWrapper;
 import net.schmizz.sshj.userauth.keyprovider.KeyProvider;
 import net.schmizz.sshj.userauth.keyprovider.KeyProviderUtil;
+import net.schmizz.sshj.userauth.method.AuthGssApiWithMic;
 import net.schmizz.sshj.userauth.method.AuthKeyboardInteractive;
 import net.schmizz.sshj.userauth.method.AuthMethod;
 import net.schmizz.sshj.userauth.method.AuthPassword;
@@ -58,15 +60,19 @@ import net.schmizz.sshj.userauth.password.PasswordFinder;
 import net.schmizz.sshj.userauth.password.PasswordUtils;
 import net.schmizz.sshj.userauth.password.Resource;
 import net.schmizz.sshj.xfer.scp.SCPFileTransfer;
+import org.ietf.jgss.Oid;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import javax.security.auth.login.LoginContext;
+
 import java.io.Closeable;
 import java.io.File;
 import java.io.IOException;
 import java.net.ServerSocket;
 import java.security.KeyPair;
 import java.security.PublicKey;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Deque;
 import java.util.LinkedList;
@@ -144,19 +150,28 @@ public class SSHClient
      */
     public SSHClient(Config config) {
         super(DEFAULT_PORT);
-        this.trans = new TransportImpl(config);
+        this.trans = new TransportImpl(config, this);
         this.auth = new UserAuthImpl(trans);
-        this.conn = new ConnectionImpl(trans);
+        this.conn = new ConnectionImpl(trans, config.getKeepAliveProvider());
     }
 
     /**
      * Add a {@link HostKeyVerifier} which will be invoked for verifying host key during connection establishment and
      * future key exchanges.
      *
-     * @param hostKeyVerifier {@link HostKeyVerifier} instance
+     * @param verifier {@link HostKeyVerifier} instance
      */
-    public void addHostKeyVerifier(HostKeyVerifier hostKeyVerifier) {
-        trans.addHostKeyVerifier(hostKeyVerifier);
+    public void addHostKeyVerifier(HostKeyVerifier verifier) {
+        trans.addHostKeyVerifier(verifier);
+    }
+
+    /**
+     * Add a {@link AlgorithmsVerifier} which will be invoked for verifying negotiated algorithms.
+     *
+     * @param verifier {@link AlgorithmsVerifier} instance
+     */
+    public void addAlgorithmsVerifier(AlgorithmsVerifier verifier) {
+        trans.addAlgorithmsVerifier(verifier);
     }
 
     /**
@@ -365,6 +380,30 @@ public class SSHClient
         authPublickey(username, keyProviders);
     }
 
+    /**
+     * Authenticate {@code username} using the {@code "gssapi-with-mic"} authentication method, given a login context
+     * for the peer GSS machine and a list of supported OIDs.
+     * <p/>
+     * Supported OIDs should be ordered by preference as the SSH server will choose the first OID that it also
+     * supports. At least one OID is required
+     *
+     * @param username      user to authenticate
+     * @param context       {@code LoginContext} for the peer GSS machine
+     * @param supportedOid  first supported OID
+     * @param supportedOids other supported OIDs
+     *
+     * @throws UserAuthException  in case of authentication failure
+     * @throws TransportException if there was a transport-layer error
+     */
+    public void authGssApiWithMic(String username, LoginContext context, Oid supportedOid, Oid... supportedOids)
+            throws UserAuthException, TransportException {
+        // insert supportedOid to the front of the list since ordering matters
+        List<Oid> oids = new ArrayList<Oid>(Arrays.asList(supportedOids));
+        oids.add(0, supportedOid);
+
+        auth(username, new AuthGssApiWithMic(context, oids));
+    }
+
     /**
      * Disconnects from the connected SSH server. {@code SSHClient} objects are not reusable therefore it is incorrect
      * to attempt connection after this method has been called.
@@ -485,7 +524,7 @@ public class SSHClient
     public KeyProvider loadKeys(String location, PasswordFinder passwordFinder)
             throws IOException {
         final File loc = new File(location);
-        final FileKeyProvider.Format format = KeyProviderUtil.detectKeyFileFormat(loc);
+        final KeyFormat format = KeyProviderUtil.detectKeyFileFormat(loc);
         final FileKeyProvider fkp =
                 Factory.Named.Util.create(trans.getConfig().getFileKeyProviderFactories(), format.toString());
         if (fkp == null)
@@ -529,7 +568,7 @@ public class SSHClient
      */
     public KeyProvider loadKeys(String privateKey, String publicKey, PasswordFinder passwordFinder)
             throws IOException {
-        final FileKeyProvider.Format format = KeyProviderUtil.detectKeyFileFormat(privateKey, publicKey != null);
+        final KeyFormat format = KeyProviderUtil.detectKeyFileFormat(privateKey, publicKey != null);
         final FileKeyProvider fkp =
                 Factory.Named.Util.create(trans.getConfig().getFileKeyProviderFactories(), format.toString());
         if (fkp == null)

src/main/java/net/schmizz/sshj/Service.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/SocketClient.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,35 +12,19 @@
  * 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.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj;
 
+import com.hierynomus.sshj.backport.JavaVersion;
+import com.hierynomus.sshj.backport.Jdk7HttpProxySocket;
+
 import javax.net.SocketFactory;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
+import java.net.Proxy;
 import java.net.Socket;
 
 public abstract class SocketClient {
@@ -64,21 +48,53 @@ public abstract class SocketClient {
         this.defaultPort = defaultPort;
     }
 
-    public void connect(InetAddress host, int port)
-            throws IOException {
+    public void connect(InetAddress host, int port) throws IOException {
         socket = socketFactory.createSocket();
         socket.connect(new InetSocketAddress(host, port), connectTimeout);
         onConnect();
     }
 
-    public void connect(String hostname, int port)
-            throws IOException {
+
+    /**
+     * Connect to a host via a proxy.
+     * @param host The host address to connect to.
+     * @param port The port to connect to.
+     * @param proxy The proxy to connect via.
+     * @deprecated This method will be removed after v0.12.0. If you want to connect via a proxy, you can do this by injecting a {@link javax.net.SocketFactory}
+     *             into the SocketClient. The SocketFactory should create sockets using the {@link java.net.Socket#Socket(java.net.Proxy)} constructor.
+     */
+    @Deprecated
+    public void connect(InetAddress host, int port, Proxy proxy) throws IOException {
+        if (JavaVersion.isJava7OrEarlier() && proxy.type() == Proxy.Type.HTTP) {
+            // Java7 and earlier have no support for HTTP Connect proxies, return our custom socket.
+            socket = new Jdk7HttpProxySocket(proxy);
+        } else {
+            socket = new Socket(proxy);
+        }
+        socket.connect(new InetSocketAddress(host, port), connectTimeout);
+        onConnect();
+    }
+
+    public void connect(String hostname, int port) throws IOException {
         this.hostname = hostname;
         connect(InetAddress.getByName(hostname), port);
     }
 
-    public void connect(InetAddress host, int port,
-                        InetAddress localAddr, int localPort)
+    /**
+     * Connect to a host via a proxy.
+     * @param hostname The host name to connect to.
+     * @param port The port to connect to.
+     * @param proxy The proxy to connect via.
+     * @deprecated This method will be removed after v0.12.0. If you want to connect via a proxy, you can do this by injecting a {@link javax.net.SocketFactory}
+     *             into the SocketClient. The SocketFactory should create sockets using the {@link java.net.Socket#Socket(java.net.Proxy)} constructor.
+     */
+    @Deprecated
+    public void connect(String hostname, int port, Proxy proxy) throws IOException {
+        this.hostname = hostname;
+        connect(InetAddress.getByName(hostname), port, proxy);
+    }
+
+    public void connect(InetAddress host, int port, InetAddress localAddr, int localPort)
             throws IOException {
         socket = socketFactory.createSocket();
         socket.bind(new InetSocketAddress(localAddr, localPort));
@@ -86,25 +102,44 @@ public abstract class SocketClient {
         onConnect();
     }
 
-    public void connect(String hostname, int port,
-                        InetAddress localAddr, int localPort)
-            throws IOException {
+    public void connect(String hostname, int port, InetAddress localAddr, int localPort) throws IOException {
         this.hostname = hostname;
         connect(InetAddress.getByName(hostname), port, localAddr, localPort);
     }
 
-    public void connect(InetAddress host)
-            throws IOException {
+    public void connect(InetAddress host) throws IOException {
         connect(host, defaultPort);
     }
 
-    public void connect(String hostname)
-            throws IOException {
+    public void connect(String hostname) throws IOException {
         connect(hostname, defaultPort);
     }
 
-    public void disconnect()
-            throws IOException {
+    /**
+     * Connect to a host via a proxy.
+     * @param host The host address to connect to.
+     * @param proxy The proxy to connect via.
+     * @deprecated This method will be removed after v0.12.0. If you want to connect via a proxy, you can do this by injecting a {@link javax.net.SocketFactory}
+     *             into the SocketClient. The SocketFactory should create sockets using the {@link java.net.Socket#Socket(java.net.Proxy)} constructor.
+     */
+    @Deprecated
+    public void connect(InetAddress host, Proxy proxy) throws IOException {
+        connect(host, defaultPort, proxy);
+    }
+
+    /**
+     * Connect to a host via a proxy.
+     * @param hostname The host name to connect to.
+     * @param proxy The proxy to connect via.
+     * @deprecated This method will be removed after v0.12.0. If you want to connect via a proxy, you can do this by injecting a {@link javax.net.SocketFactory}
+     *             into the SocketClient. The SocketFactory should create sockets using the {@link java.net.Socket#Socket(java.net.Proxy)} constructor.
+     */
+    @Deprecated
+    public void connect(String hostname, Proxy proxy) throws IOException {
+        connect(hostname, defaultPort, proxy);
+    }
+
+    public void disconnect() throws IOException {
         if (socket != null) {
             socket.close();
             socket = null;
@@ -127,7 +162,6 @@ public abstract class SocketClient {
         return socket.getLocalPort();
     }
 
-
     public InetAddress getLocalAddress() {
         return socket.getLocalAddress();
     }
@@ -145,10 +179,11 @@ public abstract class SocketClient {
     }
 
     public void setSocketFactory(SocketFactory factory) {
-        if (factory == null)
+        if (factory == null) {
             socketFactory = SocketFactory.getDefault();
-        else
+        } else {
             socketFactory = factory;
+        }
     }
 
     public SocketFactory getSocketFactory() {
@@ -183,11 +218,10 @@ public abstract class SocketClient {
         return output;
     }
 
-    void onConnect()
-            throws IOException {
+    void onConnect() throws IOException {
         socket.setSoTimeout(timeout);
         input = socket.getInputStream();
         output = socket.getOutputStream();
     }
 
-}
+}

src/main/java/net/schmizz/sshj/common/Base64.java

@@ -1,3 +1,18 @@
+/**
+ * Copyright 2009 sshj contributors
+ *
+ * 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 net.schmizz.sshj.common;
 
 

src/main/java/net/schmizz/sshj/common/Buffer.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/ByteArrayUtils.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/DisconnectReason.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/common/ErrorNotifiable.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/common/Factory.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/IOUtils.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/KeyType.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,21 +15,25 @@
  */
 package net.schmizz.sshj.common;
 
+import org.bouncycastle.asn1.nist.NISTNamedCurves;
+import org.bouncycastle.asn1.x9.X9ECParameters;
+import org.bouncycastle.jce.spec.ECParameterSpec;
+import org.bouncycastle.jce.spec.ECPublicKeySpec;
+import org.bouncycastle.math.ec.ECPoint;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.math.BigInteger;
-import java.security.GeneralSecurityException;
-import java.security.Key;
-import java.security.KeyFactory;
-import java.security.PublicKey;
-import java.security.interfaces.DSAPrivateKey;
-import java.security.interfaces.DSAPublicKey;
-import java.security.interfaces.RSAPrivateKey;
-import java.security.interfaces.RSAPublicKey;
+import java.security.*;
+import java.security.interfaces.*;
 import java.security.spec.DSAPublicKeySpec;
 import java.security.spec.RSAPublicKeySpec;
+import java.util.Arrays;
 
 /** Type of key e.g. rsa, dsa */
 public enum KeyType {
 
+
     /** SSH identifier for RSA keys */
     RSA("ssh-rsa") {
         @Override
@@ -96,6 +100,89 @@ public enum KeyType {
 
     },
 
+    /** SSH identifier for ECDSA keys */
+    ECDSA("ecdsa-sha2-nistp256") {
+        private final Logger log = LoggerFactory.getLogger(getClass());
+
+        @Override
+        public PublicKey readPubKeyFromBuffer(String type, Buffer<?> buf)
+                throws GeneralSecurityException {
+            try {
+                // final String algo = buf.readString();  it has been already read
+                final String curveName = buf.readString();
+                final int keyLen = buf.readUInt32AsInt();
+                final byte x04 = buf.readByte();  // it must be 0x04, but don't think we need that check
+                final byte[] x = new byte[(keyLen - 1) / 2];
+                final byte[] y = new byte[(keyLen - 1) / 2];
+                buf.readRawBytes(x);
+                buf.readRawBytes(y);
+                if(log.isDebugEnabled()) {
+                    log.debug(String.format("Key algo: %s, Key curve: %s, Key Len: %s, 0x04: %s\nx: %s\ny: %s",
+                            type,
+                            curveName,
+                            keyLen,
+                            x04,
+                            Arrays.toString(x),
+                            Arrays.toString(y))
+                    );
+                }
+
+                if (!NISTP_CURVE.equals(curveName)) {
+                    throw new GeneralSecurityException(String.format("Unknown curve %s", curveName));
+                }
+
+                BigInteger bigX = new BigInteger(1, x);
+                BigInteger bigY = new BigInteger(1, y);
+
+                X9ECParameters ecParams = NISTNamedCurves.getByName("p-256");
+                ECPoint pPublicPoint = ecParams.getCurve().createPoint(bigX, bigY, false);
+                ECParameterSpec spec = new ECParameterSpec(ecParams.getCurve(),
+                        ecParams.getG(), ecParams.getN());
+                ECPublicKeySpec publicSpec = new ECPublicKeySpec(pPublicPoint, spec);
+
+                KeyFactory keyFactory = KeyFactory.getInstance("ECDSA");
+                return keyFactory.generatePublic(publicSpec);
+            } catch (Exception ex) {
+                throw new GeneralSecurityException(ex);
+            }
+        }
+
+
+        @Override
+        public void putPubKeyIntoBuffer(PublicKey pk, Buffer<?> buf) {
+            final ECPublicKey ecdsa = (ECPublicKey) pk;
+            final java.security.spec.ECPoint point = ecdsa.getW();
+            final byte[] x = trimStartingZeros(point.getAffineX().toByteArray());
+            final byte[] y = trimStartingZeros(point.getAffineY().toByteArray());
+
+            buf.putString(sType)
+                .putString(NISTP_CURVE)
+                .putUInt32(1 + x.length + y.length)
+                .putRawBytes(new byte[] { (byte) 0x04 })
+                .putRawBytes(x)
+                .putRawBytes(y)
+            ;
+        }
+
+        @Override
+        protected boolean isMyType(Key key) {
+            return ("ECDSA".equals(key.getAlgorithm()));
+        }
+
+        private byte[] trimStartingZeros(byte[] in) {
+
+            int i = 0;
+            for (; i < in.length; i++) {
+                if (in[i] != 0) {
+                    break;
+                }
+            }
+            final byte[] out = new byte[in.length - i];
+            System.arraycopy(in, i, out, 0, out.length);
+            return out;
+        }
+    },
+
     /** Unrecognized */
     UNKNOWN("unknown") {
         @Override
@@ -113,10 +200,11 @@ public enum KeyType {
         protected boolean isMyType(Key key) {
             return false;
         }
-
     };
 
 
+    private static final String NISTP_CURVE = "nistp256";
+
     protected final String sType;
 
     private KeyType(String type) {
@@ -149,4 +237,4 @@ public enum KeyType {
         return sType;
     }
 
-}
+}

src/main/java/net/schmizz/sshj/common/Message.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -46,6 +46,9 @@ public enum Message {
     USERAUTH_60(60),
     USERAUTH_INFO_RESPONSE(61),
 
+    USERAUTH_GSSAPI_EXCHANGE_COMPLETE(63),
+    USERAUTH_GSSAPI_MIC(66),
+
     GLOBAL_REQUEST(80),
     REQUEST_SUCCESS(81),
     REQUEST_FAILURE(82),

src/main/java/net/schmizz/sshj/common/SSHException.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/SSHPacket.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/SSHPacketHandler.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/common/SSHRuntimeException.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/SecurityUtils.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.common;
 

src/main/java/net/schmizz/sshj/common/StreamCopier.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -107,7 +107,7 @@ public class StreamCopier {
                     log.debug("Done copying from {}", in);
                     doneEvent.set();
                 } catch (IOException ioe) {
-                    log.error("In pipe from {} to {}: {}", new Object[] { in, out, ioe });
+                    log.error("In pipe from {} to {}: {}", in, out, ioe);
                     doneEvent.deliverError(ioe);
                 }
             }
@@ -136,7 +136,7 @@ public class StreamCopier {
 
         final double timeSeconds = (System.currentTimeMillis() - startTime) / 1000.0;
         final double sizeKiB = count / 1024.0;
-        log.debug("{} KiB transferred  in {} seconds ({} KiB/s)", new Object[] { sizeKiB, timeSeconds, (sizeKiB / timeSeconds) });
+        log.debug("{} KiB transferred in {} seconds ({} KiB/s)", sizeKiB, timeSeconds, (sizeKiB / timeSeconds));
 
         if (length != -1 && read == -1)
             throw new IOException("Encountered EOF, could not transfer " + length + " bytes");

src/main/java/net/schmizz/sshj/connection/Connection.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
 package net.schmizz.sshj.connection;
 
 import net.schmizz.concurrent.Promise;
+import net.schmizz.keepalive.KeepAlive;
 import net.schmizz.sshj.common.SSHPacket;
 import net.schmizz.sshj.connection.channel.Channel;
 import net.schmizz.sshj.connection.channel.OpenFailException;
@@ -150,4 +151,9 @@ public interface Connection {
      * @param timeout timeout in milliseconds
      */
     void setTimeoutMs(int timeout);
+
+    /**
+     * @return The configured {@link net.schmizz.keepalive.KeepAlive} mechanism.
+     */
+    KeepAlive getKeepAlive();
 }

src/main/java/net/schmizz/sshj/connection/ConnectionException.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/ConnectionImpl.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,6 +17,8 @@ package net.schmizz.sshj.connection;
 
 import net.schmizz.concurrent.ErrorDeliveryUtil;
 import net.schmizz.concurrent.Promise;
+import net.schmizz.keepalive.KeepAlive;
+import net.schmizz.keepalive.KeepAliveProvider;
 import net.schmizz.sshj.AbstractService;
 import net.schmizz.sshj.common.Buffer;
 import net.schmizz.sshj.common.DisconnectReason;
@@ -51,6 +53,9 @@ public class ConnectionImpl
 
     private final Queue<Promise<SSHPacket, ConnectionException>> globalReqPromises = new LinkedList<Promise<SSHPacket, ConnectionException>>();
 
+    /** {@code keep-alive} mechanism */
+    private final KeepAlive keepAlive;
+
     private long windowSize = 2048 * 1024;
     private int maxPacketSize = 32 * 1024;
 
@@ -59,11 +64,14 @@ public class ConnectionImpl
     /**
      * Create with an associated {@link Transport}.
      *
+     * @param config the ssh config
      * @param trans transport layer
+     * @param keepAlive the keep alive provider
      */
-    public ConnectionImpl(Transport trans) {
+    public ConnectionImpl(Transport trans, KeepAliveProvider keepAlive) {
         super("ssh-connection", trans);
         timeoutMs = trans.getTimeoutMs();
+        this.keepAlive = keepAlive.provide(this);
     }
 
     @Override
@@ -250,6 +258,7 @@ public class ConnectionImpl
             ErrorDeliveryUtil.alertPromises(error, globalReqPromises);
             globalReqPromises.clear();
         }
+        keepAlive.interrupt();
         ErrorNotifiable.Util.alertAll(error, channels.values());
         channels.clear();
     }
@@ -264,4 +273,9 @@ public class ConnectionImpl
         return timeoutMs;
     }
 
+    @Override
+    public KeepAlive getKeepAlive() {
+        return keepAlive;
+    }
+
 }

src/main/java/net/schmizz/sshj/connection/channel/AbstractChannel.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.connection.channel;
 
@@ -86,10 +66,7 @@ public abstract class AbstractChannel
     protected final Event<ConnectionException> openEvent;
     /** Channel close event */
     protected final Event<ConnectionException> closeEvent;
-
-    /* Access to these fields should be synchronized using this object */
-    private boolean eofSent;
-    private boolean eofGot;
+    /** Whether we have already sent a CHANNEL_CLOSE request to the server */
     private boolean closeRequested;
 
     /** Local window */
@@ -277,13 +254,14 @@ public abstract class AbstractChannel
         closeEvent.await();
     }
 
-    public void join(int timeout, TimeUnit unit)
+    public void join(long timeout, TimeUnit unit)
             throws ConnectionException {
         closeEvent.await(timeout, unit);
     }
 
-    protected synchronized void sendClose()
+    protected void sendClose()
             throws TransportException {
+        openCloseLock.lock();
         try {
             if (!closeRequested) {
                 log.debug("Sending close");
@@ -291,11 +269,12 @@ public abstract class AbstractChannel
             }
         } finally {
             closeRequested = true;
+            openCloseLock.unlock();
         }
     }
 
     @Override
-    public synchronized boolean isOpen() {
+    public boolean isOpen() {
         openCloseLock.lock();
         try {
             return openEvent.isSet() && !closeEvent.isSet() && !closeRequested;
@@ -405,13 +384,10 @@ public abstract class AbstractChannel
         }
     }
 
-    private synchronized void gotEOF()
+    private void gotEOF()
             throws TransportException {
         log.debug("Got EOF");
-        eofGot = true;
         eofInputStreams();
-        if (eofSent)
-            sendClose();
     }
 
     /** Called when EOF has been received. Subclasses can override but must call super. */
@@ -419,22 +395,6 @@ public abstract class AbstractChannel
         in.eof();
     }
 
-    @Override
-    public synchronized void sendEOF()
-            throws TransportException {
-        try {
-            if (!closeRequested && !eofSent) {
-                log.debug("Sending EOF");
-                trans.write(newBuffer(Message.CHANNEL_EOF));
-                if (eofGot)
-                    sendClose();
-            }
-        } finally {
-            eofSent = true;
-            out.setClosed();
-        }
-    }
-
     @Override
     public String toString() {
         return "< " + type + " channel: id=" + id + ", recipient=" + recipient + ", localWin=" + lwin + ", remoteWin="

src/main/java/net/schmizz/sshj/connection/channel/Channel.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -119,15 +119,6 @@ public interface Channel
     /** @return whether the channel is open. */
     boolean isOpen();
 
-    /**
-     * Sends an EOF message to the server for this channel; indicating that no more data will be sent by us. The {@code
-     * OutputStream} for this channel will be closed and no longer usable.
-     *
-     * @throws TransportException if there is an error sending the EOF message
-     */
-    void sendEOF()
-            throws TransportException;
-
     /**
      * Set whether local window should automatically expand when data is received, irrespective of whether data has been
      * read from that stream. This is useful e.g. when a remote command produces a lot of output that would fill the
@@ -140,7 +131,7 @@ public interface Channel
     void join()
             throws ConnectionException;
 
-    void join(int timeout, TimeUnit unit)
+    void join(long timeout, TimeUnit unit)
             throws ConnectionException;
 
 }

src/main/java/net/schmizz/sshj/connection/channel/ChannelInputStream.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,28 +12,7 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.connection.channel;
 
 import net.schmizz.sshj.common.Buffer;

src/main/java/net/schmizz/sshj/connection/channel/ChannelOutputStream.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.connection.channel;
 
@@ -84,7 +64,7 @@ public final class ChannelOutputStream
                 throws TransportException, ConnectionException {
             final int bufferSize = packet.wpos() - dataOffset;
             if (bufferSize >= win.getMaxPacketSize()) {
-                flush(bufferSize);
+                flush(bufferSize, true);
                 return 0;
             } else {
                 final int n = Math.min(len, win.getMaxPacketSize() - bufferSize);
@@ -93,18 +73,23 @@ public final class ChannelOutputStream
             }
         }
 
-        void flush()
+        boolean flush(boolean canAwaitExpansion)
                 throws TransportException, ConnectionException {
-            flush(packet.wpos() - dataOffset);
+            return flush(packet.wpos() - dataOffset, canAwaitExpansion);
         }
-        
-        void flush(int bufferSize)
+
+        boolean flush(int bufferSize, boolean canAwaitExpansion)
                 throws TransportException, ConnectionException {
             while (bufferSize > 0) {
 
                 long remoteWindowSize = win.getSize();
-                if (remoteWindowSize == 0)
-                    remoteWindowSize = win.awaitExpansion(remoteWindowSize);
+                if (remoteWindowSize == 0) {
+                    if (canAwaitExpansion) {
+                        remoteWindowSize = win.awaitExpansion(remoteWindowSize);
+                    } else {
+                        return false;
+                    }
+                }
 
                 // We can only write the min. of
                 // a) how much data we have
@@ -136,6 +121,8 @@ public final class ChannelOutputStream
 
                 bufferSize = leftOverBytes;
             }
+
+            return true;
         }
 
     }
@@ -184,18 +171,14 @@ public final class ChannelOutputStream
             throws IOException {
         if (!closed) {
             try {
-                buffer.flush();
-                chan.sendEOF();
+                buffer.flush(false);
+//                trans.write(new SSHPacket(Message.CHANNEL_EOF).putUInt32(chan.getRecipient()));
             } finally {
-                setClosed();
+                closed = true;
             }
         }
     }
 
-    public synchronized void setClosed() {
-        closed = true;
-    }
-
     /**
      * Send all data currently buffered. If window space is exhausted in the process, this will block
      * until it is expanded by the server.
@@ -206,7 +189,7 @@ public final class ChannelOutputStream
     public synchronized void flush()
             throws IOException {
         checkClose();
-        buffer.flush();
+        buffer.flush(true);
     }
 
     @Override

src/main/java/net/schmizz/sshj/connection/channel/OpenFailException.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/SocketStreamCopyMonitor.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,11 +18,12 @@ package net.schmizz.sshj.connection.channel;
 import net.schmizz.concurrent.Event;
 import net.schmizz.sshj.common.IOUtils;
 
-import java.io.Closeable;
 import java.io.IOException;
 import java.net.Socket;
 import java.util.concurrent.TimeUnit;
 
+import static com.hierynomus.sshj.backport.Sockets.asCloseable;
+
 public class SocketStreamCopyMonitor
         extends Thread {
 
@@ -32,16 +33,6 @@ public class SocketStreamCopyMonitor
         setDaemon(true);
     }
 
-    private static Closeable wrapSocket(final Socket socket) {
-        return new Closeable() {
-            @Override
-            public void close()
-                    throws IOException {
-                socket.close();
-            }
-        };
-    }
-
     public static void monitor(final int frequency, final TimeUnit unit,
                                final Event<IOException> x, final Event<IOException> y,
                                final Channel channel, final Socket socket) {
@@ -54,7 +45,7 @@ public class SocketStreamCopyMonitor
                     }
                 } catch (IOException ignored) {
                 } finally {
-                    IOUtils.closeQuietly(channel, wrapSocket(socket));
+                    IOUtils.closeQuietly(channel, asCloseable(socket));
                 }
             }
         }).start();

src/main/java/net/schmizz/sshj/connection/channel/Window.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/direct/AbstractDirectChannel.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.connection.channel.direct;
 

src/main/java/net/schmizz/sshj/connection/channel/direct/LocalPortForwarder.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,12 +16,12 @@
 package net.schmizz.sshj.connection.channel.direct;
 
 import net.schmizz.concurrent.Event;
+import net.schmizz.sshj.common.IOUtils;
 import net.schmizz.sshj.common.SSHPacket;
 import net.schmizz.sshj.common.StreamCopier;
 import net.schmizz.sshj.connection.Connection;
-import net.schmizz.sshj.connection.ConnectionException;
 import net.schmizz.sshj.connection.channel.SocketStreamCopyMonitor;
-import net.schmizz.sshj.transport.TransportException;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -30,6 +30,8 @@ import java.net.ServerSocket;
 import java.net.Socket;
 import java.util.concurrent.TimeUnit;
 
+import static com.hierynomus.sshj.backport.Sockets.asCloseable;
+
 public class LocalPortForwarder {
 
     public static class Parameters {
@@ -112,11 +114,15 @@ public class LocalPortForwarder {
         this.serverSocket = serverSocket;
     }
 
-    protected DirectTCPIPChannel openChannel(Socket socket)
-            throws TransportException, ConnectionException {
-        final DirectTCPIPChannel chan = new DirectTCPIPChannel(conn, socket, parameters);
-        chan.open();
-        return chan;
+    private void startChannel(Socket socket) throws IOException {
+        DirectTCPIPChannel chan = new DirectTCPIPChannel(conn, socket, parameters);
+        try {
+            chan.open();
+            chan.start();
+        } catch (IOException e) {
+            IOUtils.closeQuietly(chan, asCloseable(socket));
+            throw e;
+        }
     }
 
     /**
@@ -130,7 +136,7 @@ public class LocalPortForwarder {
         while (!Thread.currentThread().isInterrupted()) {
             final Socket socket = serverSocket.accept();
             log.debug("Got connection from {}", socket.getRemoteSocketAddress());
-            openChannel(socket).start();
+            startChannel(socket);
         }
         log.debug("Interrupted!");
     }

src/main/java/net/schmizz/sshj/connection/channel/direct/PTYMode.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/direct/Session.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/direct/SessionChannel.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.connection.channel.direct;
 
@@ -117,7 +97,7 @@ public class SessionChannel
     public Command exec(String command)
             throws ConnectionException, TransportException {
         checkReuse();
-        log.info("Will request to exec `{}`", command);
+        log.debug("Will request to exec `{}`", command);
         sendChannelRequest("exec", true, new Buffer.PlainBuffer().putString(command))
                 .await(conn.getTimeoutMs(), TimeUnit.MILLISECONDS);
         usedUp = true;

src/main/java/net/schmizz/sshj/connection/channel/direct/SessionFactory.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/direct/Signal.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package net.schmizz.sshj.connection.channel.direct;
 
 /** Various signals that may be sent or received. The signals are from POSIX and simply miss the {@code "SIG_"} prefix. */

src/main/java/net/schmizz/sshj/connection/channel/forwarded/AbstractForwardedChannel.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,26 +12,6 @@
  * 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.
- *
- * This file may incorporate work covered by the following copyright and
- * permission notice:
- *
- *     Licensed to the Apache Software Foundation (ASF) under one
- *     or more contributor license agreements.  See the NOTICE file
- *     distributed with this work for additional information
- *     regarding copyright ownership.  The ASF licenses this file
- *     to you 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 net.schmizz.sshj.connection.channel.forwarded;
 

src/main/java/net/schmizz/sshj/connection/channel/forwarded/AbstractForwardedChannelOpener.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package net.schmizz.sshj.connection.channel.forwarded;
 
 import net.schmizz.sshj.common.IOUtils;

src/main/java/net/schmizz/sshj/connection/channel/forwarded/ConnectListener.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/forwarded/ForwardedChannelOpener.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/forwarded/RemotePortForwarder.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/forwarded/SocketForwardingConnectListener.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/connection/channel/forwarded/X11Forwarder.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/FileAttributes.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/FileMode.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/OpenMode.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/PacketReader.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,8 @@
 package net.schmizz.sshj.sftp;
 
 import net.schmizz.concurrent.Promise;
+import net.schmizz.sshj.common.SSHException;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -62,7 +64,7 @@ public class PacketReader
                 | lenBuf[3] & 0x000000ffL);
 
         if (len > SFTPPacket.MAX_SIZE) {
-        	throw new IllegalStateException("Invalid packet: indicated length "+len+" too large");
+        	throw new SSHException(String.format("Indicated packet length %d too large", len));
         }
 
         return (int) len;

src/main/java/net/schmizz/sshj/sftp/PacketType.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/PathComponents.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/PathHelper.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/RandomAccessRemoteFile.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/RemoteDirectory.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,7 +25,7 @@ import java.util.concurrent.TimeUnit;
 public class RemoteDirectory
         extends RemoteResource {
 
-    public RemoteDirectory(Requester requester, String path, String handle) {
+    public RemoteDirectory(Requester requester, String path, byte[] handle) {
         super(requester, path, handle);
     }
 

src/main/java/net/schmizz/sshj/sftp/RemoteFile.java

@@ -1,12 +1,12 @@
-/*
- * Copyright 2010-2012 sshj contributors
- *
+/**
+ * Copyright 2009 sshj contributors
+ * <p/>
  * 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
- *
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
  * 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.
@@ -16,8 +16,10 @@
 package net.schmizz.sshj.sftp;
 
 import net.schmizz.concurrent.Promise;
+import net.schmizz.sshj.common.Buffer;
 import net.schmizz.sshj.sftp.Response.StatusCode;
 
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -28,33 +30,35 @@ import java.util.concurrent.TimeUnit;
 public class RemoteFile
         extends RemoteResource {
 
-    public RemoteFile(Requester requester, String path, String handle) {
+    public RemoteFile(Requester requester, String path, byte[] handle) {
         super(requester, path, handle);
     }
 
-    public FileAttributes fetchAttributes()
-            throws IOException {
+    public FileAttributes fetchAttributes() throws IOException {
         return requester.request(newRequest(PacketType.FSTAT))
                 .retrieve(requester.getTimeoutMs(), TimeUnit.MILLISECONDS)
                 .ensurePacketTypeIs(PacketType.ATTRS)
                 .readFileAttributes();
     }
 
-    public long length()
-            throws IOException {
+    public long length() throws IOException {
         return fetchAttributes().getSize();
     }
 
-    public void setLength(long len)
-            throws IOException {
+    public void setLength(long len) throws IOException {
         setAttributes(new FileAttributes.Builder().withSize(len).build());
     }
 
-    public int read(long fileOffset, byte[] to, int offset, int len)
-            throws IOException {
-        final Response res = requester.request(
-                newRequest(PacketType.READ).putUInt64(fileOffset).putUInt32(len)
-        ).retrieve(requester.getTimeoutMs(), TimeUnit.MILLISECONDS);
+    public int read(long fileOffset, byte[] to, int offset, int len) throws IOException {
+        final Response res = asyncRead(fileOffset, len).retrieve(requester.getTimeoutMs(), TimeUnit.MILLISECONDS);
+        return checkReadResponse(res, to, offset);
+    }
+
+    protected Promise<Response, SFTPException> asyncRead(long fileOffset, int len) throws IOException {
+        return requester.request(newRequest(PacketType.READ).putUInt64(fileOffset).putUInt32(len));
+    }
+
+    protected int checkReadResponse(Response res, byte[] to, int offset) throws Buffer.BufferException, SFTPException {
         switch (res.getType()) {
             case DATA:
                 int recvLen = res.readUInt32AsInt();
@@ -70,27 +74,25 @@ public class RemoteFile
         }
     }
 
-    public void write(long fileOffset, byte[] data, int off, int len)
-            throws IOException {
-        checkResponse(asyncWrite(fileOffset, data, off, len));
+    public void write(long fileOffset, byte[] data, int off, int len) throws IOException {
+        checkWriteResponse(asyncWrite(fileOffset, data, off, len));
     }
 
     protected Promise<Response, SFTPException> asyncWrite(long fileOffset, byte[] data, int off, int len)
             throws IOException {
         return requester.request(newRequest(PacketType.WRITE)
-                                         .putUInt64(fileOffset)
-                                         .putUInt32(len - off)
-                                         .putRawBytes(data, off, len)
+                        .putUInt64(fileOffset)
+                        // TODO The SFTP spec claims this field is unneeded...? See #187
+                        .putUInt32(len)
+                        .putRawBytes(data, off, len)
         );
     }
 
-    private void checkResponse(Promise<Response, SFTPException> responsePromise)
-            throws SFTPException {
+    private void checkWriteResponse(Promise<Response, SFTPException> responsePromise) throws SFTPException {
         responsePromise.retrieve(requester.getTimeoutMs(), TimeUnit.MILLISECONDS).ensureStatusPacketIsOK();
     }
 
-    public void setAttributes(FileAttributes attrs)
-            throws IOException {
+    public void setAttributes(FileAttributes attrs) throws IOException {
         requester.request(newRequest(PacketType.FSETSTAT).putFileAttributes(attrs))
                 .retrieve(requester.getTimeoutMs(), TimeUnit.MILLISECONDS).ensureStatusPacketIsOK();
     }
@@ -99,7 +101,7 @@ public class RemoteFile
         return 1 + // packet type
                 4 + // request id
                 4 + // next length
-                handle.length() + // next
+                handle.length + // next
                 8 + // file offset
                 4 + // data length
                 4; // packet length
@@ -130,40 +132,35 @@ public class RemoteFile
         }
 
         @Override
-        public void write(int w)
-                throws IOException {
+        public void write(int w) throws IOException {
             b[0] = (byte) w;
             write(b, 0, 1);
         }
 
         @Override
-        public void write(byte[] buf, int off, int len)
-                throws IOException {
+        public void write(byte[] buf, int off, int len) throws IOException {
             if (unconfirmedWrites.size() > maxUnconfirmedWrites) {
-                checkResponse(unconfirmedWrites.remove());
+                checkWriteResponse(unconfirmedWrites.remove());
             }
             unconfirmedWrites.add(RemoteFile.this.asyncWrite(fileOffset, buf, off, len));
             fileOffset += len;
         }
 
         @Override
-        public void flush()
-                throws IOException {
+        public void flush() throws IOException {
             while (!unconfirmedWrites.isEmpty()) {
-                checkResponse(unconfirmedWrites.remove());
+                checkWriteResponse(unconfirmedWrites.remove());
             }
         }
 
         @Override
-        public void close()
-                throws IOException {
+        public void close() throws IOException {
             flush();
         }
 
     }
 
-    public class RemoteFileInputStream
-            extends InputStream {
+    public class RemoteFileInputStream extends InputStream {
 
         private final byte[] b = new byte[1];
 
@@ -175,7 +172,7 @@ public class RemoteFile
             this(0);
         }
 
-        public RemoteFileInputStream(int fileOffset) {
+        public RemoteFileInputStream(long fileOffset) {
             this.fileOffset = fileOffset;
         }
 
@@ -191,17 +188,93 @@ public class RemoteFile
         }
 
         @Override
-        public void reset()
-                throws IOException {
+        public void reset() throws IOException {
             fileOffset = markPos;
         }
 
         @Override
-        public long skip(long n)
-                throws IOException {
+        public long skip(long n) throws IOException {
             return (this.fileOffset = Math.min(fileOffset + n, length()));
         }
 
+        @Override
+        public int read() throws IOException {
+            return read(b, 0, 1) == -1 ? -1 : b[0] & 0xff;
+        }
+
+        @Override
+        public int read(byte[] into, int off, int len) throws IOException {
+            int read = RemoteFile.this.read(fileOffset, into, off, len);
+            if (read != -1) {
+                fileOffset += read;
+                if (markPos != 0 && read > readLimit) {
+                    // Invalidate mark position
+                    markPos = 0;
+                }
+            }
+            return read;
+        }
+
+    }
+
+    public class ReadAheadRemoteFileInputStream
+            extends InputStream {
+
+        private final byte[] b = new byte[1];
+
+        private final int maxUnconfirmedReads;
+        private final Queue<Promise<Response, SFTPException>> unconfirmedReads = new LinkedList<Promise<Response, SFTPException>>();
+        private final Queue<Long> unconfirmedReadOffsets = new LinkedList<Long>();
+
+        private long requestOffset;
+        private long responseOffset;
+        private boolean eof;
+
+        public ReadAheadRemoteFileInputStream(int maxUnconfirmedReads) {
+            assert 0 <= maxUnconfirmedReads;
+
+            this.maxUnconfirmedReads = maxUnconfirmedReads;
+        }
+
+        public ReadAheadRemoteFileInputStream(int maxUnconfirmedReads, long fileOffset) {
+            assert 0 <= maxUnconfirmedReads;
+            assert 0 <= fileOffset;
+
+            this.maxUnconfirmedReads = maxUnconfirmedReads;
+            this.requestOffset = this.responseOffset = fileOffset;
+        }
+
+        private ByteArrayInputStream pending = new ByteArrayInputStream(new byte[0]);
+
+        private boolean retrieveUnconfirmedRead(boolean blocking) throws IOException {
+            if (unconfirmedReads.size() <= 0) {
+                return false;
+            }
+
+            if (!blocking && !unconfirmedReads.peek().isDelivered()) {
+                return false;
+            }
+
+            unconfirmedReadOffsets.remove();
+            final Response res = unconfirmedReads.remove().retrieve(requester.getTimeoutMs(), TimeUnit.MILLISECONDS);
+            switch (res.getType()) {
+                case DATA:
+                    int recvLen = res.readUInt32AsInt();
+                    responseOffset += recvLen;
+                    pending = new ByteArrayInputStream(res.array(), res.rpos(), recvLen);
+                    break;
+
+                case STATUS:
+                    res.ensureStatusIs(Response.StatusCode.EOF);
+                    eof = true;
+                    break;
+
+                default:
+                    throw new SFTPException("Unexpected packet: " + res.getType());
+            }
+            return true;
+        }
+
         @Override
         public int read()
                 throws IOException {
@@ -209,16 +282,66 @@ public class RemoteFile
         }
 
         @Override
-        public int read(byte[] into, int off, int len)
-                throws IOException {
-            int read = RemoteFile.this.read(fileOffset, into, off, len);
-            if (read != -1) {
-                fileOffset += read;
-                if (markPos != 0 && read > readLimit) // Invalidate mark position
-                    markPos = 0;
+        public int read(byte[] into, int off, int len) throws IOException {
+
+            while (!eof && pending.available() <= 0) {
+
+                // we also need to go here for len <= 0, because pending may be at
+                // EOF in which case it would return -1 instead of 0
+
+                while (unconfirmedReads.size() <= maxUnconfirmedReads) {
+                    // Send read requests as long as there is no EOF and we have not reached the maximum parallelism
+                    int reqLen = Math.max(1024, len); // don't be shy!
+                    unconfirmedReads.add(RemoteFile.this.asyncRead(requestOffset, reqLen));
+                    unconfirmedReadOffsets.add(requestOffset);
+                    requestOffset += reqLen;
+                }
+
+                long nextOffset = unconfirmedReadOffsets.peek();
+                if (responseOffset != nextOffset) {
+
+                    // the server could not give us all the data we needed, so
+                    // we try to fill the gap synchronously
+
+                    assert responseOffset < nextOffset;
+                    assert 0 < (nextOffset - responseOffset);
+                    assert (nextOffset - responseOffset) <= Integer.MAX_VALUE;
+
+                    byte[] buf = new byte[(int) (nextOffset - responseOffset)];
+                    int recvLen = RemoteFile.this.read(responseOffset, buf, 0, buf.length);
+
+                    if (recvLen < 0) {
+                        eof = true;
+                        return -1;
+                    }
+
+                    if (0 == recvLen) {
+                        // avoid infinite loops
+                        throw new SFTPException("Unexpected response size (0), bailing out");
+                    }
+
+                    responseOffset += recvLen;
+                    pending = new ByteArrayInputStream(buf, 0, recvLen);
+                } else if (!retrieveUnconfirmedRead(true /*blocking*/)) {
+
+                    // this may happen if we change prefetch strategy
+                    // currently, we should never get here...
+
+                    throw new IllegalStateException("Could not retrieve data for pending read request");
+                }
             }
-            return read;
+
+            return pending.read(into, off, len);
         }
 
+        @Override
+        public int available() throws IOException {
+            boolean lastRead = true;
+            while (!eof && (pending.available() <= 0) && lastRead) {
+              lastRead = retrieveUnconfirmedRead(false /*blocking*/);
+            }
+            return pending.available();
+        }
     }
 }
+

src/main/java/net/schmizz/sshj/sftp/RemoteResource.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,9 +30,9 @@ public abstract class RemoteResource
 
     protected final Requester requester;
     protected final String path;
-    protected final String handle;
+    protected final byte[] handle;
 
-    protected RemoteResource(Requester requester, String path, String handle) {
+    protected RemoteResource(Requester requester, String path, byte[] handle) {
         this.requester = requester;
         this.path = path;
         this.handle = handle;

src/main/java/net/schmizz/sshj/sftp/RemoteResourceFilter.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/RemoteResourceInfo.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/Request.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/Requester.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/net/schmizz/sshj/sftp/Response.java

@@ -1,5 +1,5 @@
-/*
- * Copyright 2010-2012 sshj contributors
+/**
+ * Copyright 2009 sshj contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.