Browse Source

Merge branch 'stable-5.5'

* stable-5.5:
  Prepare 5.4.4-SNAPSHOT builds
  JGit v5.4.3.201909031940-r
  Prepare 5.3.6-SNAPSHOT builds
  JGit v5.3.5.201909031855-r
  Prepare 5.1.12-SNAPSHOT builds
  JGit v5.1.11.201909031202-r
  Prepare 4.11.10-SNAPSHOT builds
  JGit v4.11.9.201909030838-r
  Bazel: Update bazlets to the latest master revision
  Bazel: Remove FileTreeIteratorWithTimeControl from BUILD file
  BatchRefUpdate: repro racy atomic update, and fix it
  Delete unused FileTreeIteratorWithTimeControl
  Fix RacyGitTests#testRacyGitDetection
  Change RacyGitTests to create a racy git situation in a stable way
  Silence API warnings
  sshd: fix proxy connections with the DefaultProxyDataFactory
  sshd: support the HashKnownHosts configuration
  sshd: configurable server key verification
  sshd: allow setting a null ssh config
  sshd: simplify OpenSshServerKeyVerifier
  sshd: simplify ServerKeyLookup interface
  Use https in update site URLs

Change-Id: Icd21a8fcccffd56bfedbd037e48028308db6d13b
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
next
Matthias Sohn 5 years ago
parent
commit
4d78215673
  1. 2
      WORKSPACE
  2. 12
      org.eclipse.jgit.lfs/.settings/.api_filters
  3. 4
      org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml
  4. 4
      org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.xml
  5. 4
      org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.xml
  6. 4
      org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.xml
  7. 4
      org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.xml
  8. 4
      org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.xml
  9. 4
      org.eclipse.jgit.packaging/org.eclipse.jgit.ssh.apache.feature/feature.xml
  10. 10
      org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF
  11. 53
      org.eclipse.jgit.ssh.apache.test/tst/org/eclipse/jgit/transport/sshd/ApacheSshTest.java
  12. 221
      org.eclipse.jgit.ssh.apache.test/tst/org/eclipse/jgit/transport/sshd/NoFilesSshTest.java
  13. 28
      org.eclipse.jgit.ssh.apache/.settings/.api_filters
  14. 6
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitClientSession.java
  15. 190
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitServerKeyVerifier.java
  16. 4
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitSshClient.java
  17. 16
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitSshConfig.java
  18. 420
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/OpenSshServerKeyDatabase.java
  19. 6
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/ServerKeyLookup.java
  20. 4
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/transport/sshd/DefaultProxyDataFactory.java
  21. 177
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/transport/sshd/ServerKeyDatabase.java
  22. 53
      org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/transport/sshd/SshdSessionFactory.java
  23. 2
      org.eclipse.jgit.test/src/org/eclipse/jgit/transport/ssh/SshTestBase.java
  24. 29
      org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/BatchRefUpdateTest.java
  25. 161
      org.eclipse.jgit/.settings/.api_filters
  26. 118
      org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackedBatchRefUpdate.java
  27. 7
      org.eclipse.jgit/src/org/eclipse/jgit/transport/SshConstants.java

2
WORKSPACE

@ -15,7 +15,7 @@ versions.check(minimum_bazel_version = "0.26.1")
load("//tools:bazlets.bzl", "load_bazlets")
load_bazlets(commit = "8528a0df69dadf6311d8d3f81c1b693afda8bcf1")
load_bazlets(commit = "09a035e98077dce549d5f6a7472d06c4b8f792d2")
load(
"@com_googlesource_gerrit_bazlets//tools:maven_jar.bzl",

12
org.eclipse.jgit.lfs/.settings/.api_filters

@ -1,12 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<component id="org.eclipse.jgit.lfs" version="2">
<resource path="src/org/eclipse/jgit/lfs/lib/AnyLongObjectId.java" type="org.eclipse.jgit.lfs.lib.AnyLongObjectId">
<filter id="1141899266">
<message_arguments>
<message_argument value="5.4"/>
<message_argument value="5.5"/>
<message_argument value="isEqual(AnyLongObjectId, AnyLongObjectId)"/>
</message_arguments>
</filter>
</resource>
</component>

4
org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml

@ -18,8 +18,8 @@
</license>
<url>
<update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<update label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
</url>
<plugin

4
org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.xml

@ -18,8 +18,8 @@
</license>
<url>
<update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<update label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
</url>
<requires>

4
org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.xml

@ -18,8 +18,8 @@
</license>
<url>
<update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<update label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
</url>
<requires>

4
org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.xml

@ -18,8 +18,8 @@
</license>
<url>
<update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<update label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
</url>
<requires>

4
org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.xml

@ -18,8 +18,8 @@
</license>
<url>
<update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<update label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
</url>
<includes

4
org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.xml

@ -18,8 +18,8 @@
</license>
<url>
<update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<update label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
</url>
<requires>

4
org.eclipse.jgit.packaging/org.eclipse.jgit.ssh.apache.feature/feature.xml

@ -18,8 +18,8 @@
</license>
<url>
<update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
<update label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
<discovery label="%updateSiteName" url="https://download.eclipse.org/egit/updates"/>
</url>
<requires>

10
org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF

@ -7,7 +7,15 @@ Bundle-Version: 5.6.0.qualifier
Bundle-Vendor: %Bundle-Vendor
Bundle-Localization: plugin
Bundle-RequiredExecutionEnvironment: JavaSE-1.8
Import-Package: org.eclipse.jgit.api.errors;version="[5.6.0,5.7.0)",
Import-Package: org.apache.sshd.client.config.hosts;version="[2.2.0,2.3.0)",
org.apache.sshd.common;version="[2.2.0,2.3.0)",
org.apache.sshd.common.auth;version="[2.2.0,2.3.0)",
org.apache.sshd.common.config.keys;version="[2.2.0,2.3.0)",
org.apache.sshd.common.keyprovider;version="[2.2.0,2.3.0)",
org.apache.sshd.common.session;version="[2.2.0,2.3.0)",
org.apache.sshd.common.util.net;version="[2.2.0,2.3.0)",
org.apache.sshd.common.util.security;version="[2.2.0,2.3.0)",
org.eclipse.jgit.api.errors;version="[5.6.0,5.7.0)",
org.eclipse.jgit.internal.transport.sshd.proxy;version="[5.6.0,5.7.0)",
org.eclipse.jgit.junit;version="[5.6.0,5.7.0)",
org.eclipse.jgit.junit.ssh;version="[5.6.0,5.7.0)",

53
org.eclipse.jgit.ssh.apache.test/tst/org/eclipse/jgit/transport/sshd/ApacheSshTest.java

@ -42,16 +42,22 @@
*/
package org.eclipse.jgit.transport.sshd;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.sshd.client.config.hosts.KnownHostEntry;
import org.eclipse.jgit.api.errors.TransportException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.transport.SshSessionFactory;
import org.eclipse.jgit.transport.ssh.SshTestBase;
import org.eclipse.jgit.transport.sshd.SshdSessionFactory;
import org.eclipse.jgit.util.FS;
import org.junit.Test;
import org.junit.experimental.theories.Theories;
@ -101,6 +107,51 @@ public class ApacheSshTest extends SshTestBase {
"IdentityFile " + privateKey1.getAbsolutePath());
}
@Test
public void testHashedKnownHosts() throws Exception {
assertTrue("Failed to delete known_hosts", knownHosts.delete());
// The provider will answer "yes" to all questions, so we should be able
// to connect and end up with a new known_hosts file with the host key.
TestCredentialsProvider provider = new TestCredentialsProvider();
cloneWith("ssh://localhost/doesntmatter", defaultCloneDir, provider, //
"HashKnownHosts yes", //
"Host localhost", //
"HostName localhost", //
"Port " + testPort, //
"User " + TEST_USER, //
"IdentityFile " + privateKey1.getAbsolutePath());
List<LogEntry> messages = provider.getLog();
assertFalse("Expected user interaction", messages.isEmpty());
assertEquals(
"Expected to be asked about the key, and the file creation", 2,
messages.size());
assertTrue("~/.ssh/known_hosts should exist now", knownHosts.exists());
// Let's clone again without provider. If it works, the server host key
// was written correctly.
File clonedAgain = new File(getTemporaryDirectory(), "cloned2");
cloneWith("ssh://localhost/doesntmatter", clonedAgain, null, //
"Host localhost", //
"HostName localhost", //
"Port " + testPort, //
"User " + TEST_USER, //
"IdentityFile " + privateKey1.getAbsolutePath());
// Check that the first line contains neither "localhost" nor
// "127.0.0.1", but does contain the expected hash.
List<String> lines = Files.readAllLines(knownHosts.toPath()).stream()
.filter(s -> s != null && s.length() >= 1 && s.charAt(0) != '#'
&& !s.trim().isEmpty())
.collect(Collectors.toList());
assertEquals("Unexpected number of known_hosts lines", 1, lines.size());
String line = lines.get(0);
assertFalse("Found host in line", line.contains("localhost"));
assertFalse("Found IP in line", line.contains("127.0.0.1"));
assertTrue("Hash not found", line.contains("|"));
KnownHostEntry entry = KnownHostEntry.parseKnownHostEntry(line);
assertTrue("Hash doesn't match localhost",
entry.isHostMatch("localhost", testPort)
|| entry.isHostMatch("127.0.0.1", testPort));
}
@Test
public void testPreamble() throws Exception {
// Test that the client can deal with strange lines being sent before

221
org.eclipse.jgit.ssh.apache.test/tst/org/eclipse/jgit/transport/sshd/NoFilesSshTest.java

@ -0,0 +1,221 @@
/*
* Copyright (C) 2019 Thomas Wolf <thomas.wolf@paranor.ch>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.transport.sshd;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.UncheckedIOException;
import java.net.InetSocketAddress;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.PublicKey;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.apache.sshd.common.NamedResource;
import org.apache.sshd.common.config.keys.KeyUtils;
import org.apache.sshd.common.keyprovider.KeyIdentityProvider;
import org.apache.sshd.common.session.SessionContext;
import org.apache.sshd.common.util.net.SshdSocketAddress;
import org.apache.sshd.common.util.security.SecurityUtils;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.SshSessionFactory;
import org.eclipse.jgit.transport.ssh.SshTestHarness;
import org.eclipse.jgit.util.FS;
import org.junit.After;
import org.junit.Test;
/**
* Test for using the SshdSessionFactory without files in ~/.ssh but with an
* in-memory setup.
*/
public class NoFilesSshTest extends SshTestHarness {
private PublicKey testServerKey;
private KeyPair testUserKey;
@Override
protected SshSessionFactory createSessionFactory() {
SshdSessionFactory result = new SshdSessionFactory(new JGitKeyCache(),
null) {
@Override
protected File getSshConfig(File dir) {
return null;
}
@Override
protected ServerKeyDatabase getServerKeyDatabase(File homeDir,
File dir) {
return new ServerKeyDatabase() {
@Override
public List<PublicKey> lookup(String connectAddress,
InetSocketAddress remoteAddress,
Configuration config) {
return Collections.singletonList(testServerKey);
}
@Override
public boolean accept(String connectAddress,
InetSocketAddress remoteAddress,
PublicKey serverKey, Configuration config,
CredentialsProvider provider) {
return KeyUtils.compareKeys(serverKey, testServerKey);
}
};
}
@Override
protected Iterable<KeyPair> getDefaultKeys(File dir) {
// This would work for this simple test case:
// return Collections.singletonList(testUserKey);
// But let's see if we can check the host and username that's used.
// For that, we need access to the sshd SessionContext:
return new KeyAuthenticator();
}
@Override
protected String getDefaultPreferredAuthentications() {
return "publickey";
}
};
// The home directory is mocked at this point!
result.setHomeDirectory(FS.DETECTED.userHome());
result.setSshDirectory(sshDir);
return result;
}
private class KeyAuthenticator implements KeyIdentityProvider, Iterable<KeyPair> {
@Override
public Iterator<KeyPair> iterator() {
// Should not be called. The use of the Iterable interface in
// SshdSessionFactory.getDefaultKeys() made sense in sshd 2.0.0,
// but sshd 2.2.0 added the SessionContext, which although good
// (without it we couldn't check here) breaks the Iterable analogy.
// But we're stuck now with that interface for getDefaultKeys, and
// so this override throwing an exception is unfortunately needed.
throw new UnsupportedOperationException();
}
@Override
public Iterable<KeyPair> loadKeys(SessionContext session)
throws IOException, GeneralSecurityException {
if (!TEST_USER.equals(session.getUsername())) {
return Collections.emptyList();
}
SshdSocketAddress remoteAddress = SshdSocketAddress
.toSshdSocketAddress(session.getRemoteAddress());
switch (remoteAddress.getHostName()) {
case "localhost":
case "127.0.0.1":
return Collections.singletonList(testUserKey);
default:
return Collections.emptyList();
}
}
}
@After
public void cleanUp() {
testServerKey = null;
testUserKey = null;
}
@Override
protected void installConfig(String... config) {
File configFile = new File(sshDir, Constants.CONFIG);
if (config != null) {
try {
Files.write(configFile.toPath(), Arrays.asList(config));
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}
private KeyPair load(Path path) throws Exception {
try (InputStream in = Files.newInputStream(path)) {
return SecurityUtils
.loadKeyPairIdentities(null,
NamedResource.ofName(path.toString()), in, null)
.iterator().next();
}
}
@Test
public void testCloneWithBuiltInKeys() throws Exception {
// This test should fail unless our in-memory setup is taken: no
// known_hosts file, and a config that specifies a non-existing key.
File newHostKey = new File(getTemporaryDirectory(), "newhostkey");
copyTestResource("id_ed25519", newHostKey);
server.addHostKey(newHostKey.toPath(), true);
testServerKey = load(newHostKey.toPath()).getPublic();
assertTrue(newHostKey.delete());
testUserKey = load(privateKey1.getAbsoluteFile().toPath());
assertNotNull(testServerKey);
assertNotNull(testUserKey);
cloneWith(
"ssh://" + TEST_USER + "@localhost:" + testPort
+ "/doesntmatter",
new File(getTemporaryDirectory(), "cloned"), null, //
"Host localhost", //
"IdentityFile "
+ new File(sshDir, "does_not_exist").getAbsolutePath());
}
}

28
org.eclipse.jgit.ssh.apache/.settings/.api_filters

@ -0,0 +1,28 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<component id="org.eclipse.jgit.ssh.apache" version="2">
<resource path="src/org/eclipse/jgit/transport/sshd/ServerKeyDatabase.java" type="org.eclipse.jgit.transport.sshd.ServerKeyDatabase">
<filter id="1108344834">
<message_arguments>
<message_argument value="5.5"/>
<message_argument value="5.6"/>
<message_argument value="org.eclipse.jgit.transport.sshd.ServerKeyDatabase"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/transport/sshd/SshdSessionFactory.java" type="org.eclipse.jgit.transport.sshd.SshdSessionFactory">
<filter id="1141899266">
<message_arguments>
<message_argument value="5.5"/>
<message_argument value="5.6"/>
<message_argument value="getServerKeyDatabase(File, File)"/>
</message_arguments>
</filter>
<filter id="1141899266">
<message_arguments>
<message_argument value="5.5"/>
<message_argument value="5.6"/>
<message_argument value="getSshConfig(File)"/>
</message_arguments>
</filter>
</resource>
</component>

6
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitClientSession.java

@ -57,7 +57,6 @@ import java.util.Set;
import org.apache.sshd.client.ClientFactoryManager;
import org.apache.sshd.client.config.hosts.HostConfigEntry;
import org.apache.sshd.client.keyverifier.KnownHostsServerKeyVerifier.HostEntryPair;
import org.apache.sshd.client.keyverifier.ServerKeyVerifier;
import org.apache.sshd.client.session.ClientSessionImpl;
import org.apache.sshd.common.FactoryManager;
@ -293,11 +292,10 @@ public class JGitClientSession extends ClientSessionImpl {
if (verifier instanceof ServerKeyLookup) {
SocketAddress remoteAddress = resolvePeerAddress(
resolveAttribute(JGitSshClient.ORIGINAL_REMOTE_ADDRESS));
List<HostEntryPair> allKnownKeys = ((ServerKeyLookup) verifier)
List<PublicKey> allKnownKeys = ((ServerKeyLookup) verifier)
.lookup(this, remoteAddress);
Set<String> reordered = new LinkedHashSet<>();
for (HostEntryPair h : allKnownKeys) {
PublicKey key = h.getServerKey();
for (PublicKey key : allKnownKeys) {
if (key != null) {
String keyType = KeyUtils.getKeyType(key);
if (keyType != null) {

190
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitServerKeyVerifier.java

@ -0,0 +1,190 @@
/*
* Copyright (C) 2019 Thomas Wolf <thomas.wolf@paranor.ch>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.internal.transport.sshd;
import static org.eclipse.jgit.internal.transport.ssh.OpenSshConfigFile.flag;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.security.PublicKey;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import org.apache.sshd.client.config.hosts.HostConfigEntry;
import org.apache.sshd.client.config.hosts.KnownHostHashValue;
import org.apache.sshd.client.keyverifier.ServerKeyVerifier;
import org.apache.sshd.client.session.ClientSession;
import org.apache.sshd.common.util.net.SshdSocketAddress;
import org.eclipse.jgit.annotations.NonNull;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.SshConstants;
import org.eclipse.jgit.transport.sshd.ServerKeyDatabase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A bridge between the {@link ServerKeyVerifier} from Apache MINA sshd and our
* {@link ServerKeyDatabase}.
*/
public class JGitServerKeyVerifier
implements ServerKeyVerifier, ServerKeyLookup {
private static final Logger LOG = LoggerFactory
.getLogger(JGitServerKeyVerifier.class);
private final @NonNull ServerKeyDatabase database;
/**
* Creates a new {@link JGitServerKeyVerifier} using the given
* {@link ServerKeyDatabase}.
*
* @param database
* to use
*/
public JGitServerKeyVerifier(@NonNull ServerKeyDatabase database) {
this.database = database;
}
@Override
public List<PublicKey> lookup(ClientSession session,
SocketAddress remoteAddress) {
if (!(session instanceof JGitClientSession)) {
LOG.warn("Internal error: wrong session kind: " //$NON-NLS-1$
+ session.getClass().getName());
return Collections.emptyList();
}
if (!(remoteAddress instanceof InetSocketAddress)) {
return Collections.emptyList();
}
SessionConfig config = new SessionConfig((JGitClientSession) session);
SshdSocketAddress connectAddress = SshdSocketAddress
.toSshdSocketAddress(session.getConnectAddress());
String connect = KnownHostHashValue.createHostPattern(
connectAddress.getHostName(), connectAddress.getPort());
return database.lookup(connect, (InetSocketAddress) remoteAddress,
config);
}
@Override
public boolean verifyServerKey(ClientSession session,
SocketAddress remoteAddress, PublicKey serverKey) {
if (!(session instanceof JGitClientSession)) {
LOG.warn("Internal error: wrong session kind: " //$NON-NLS-1$
+ session.getClass().getName());
return false;
}
if (!(remoteAddress instanceof InetSocketAddress)) {
return false;
}
SessionConfig config = new SessionConfig((JGitClientSession) session);
SshdSocketAddress connectAddress = SshdSocketAddress
.toSshdSocketAddress(session.getConnectAddress());
String connect = KnownHostHashValue.createHostPattern(
connectAddress.getHostName(), connectAddress.getPort());
CredentialsProvider provider = ((JGitClientSession) session)
.getCredentialsProvider();
return database.accept(connect, (InetSocketAddress) remoteAddress,
serverKey, config, provider);
}
private static class SessionConfig
implements ServerKeyDatabase.Configuration {
private final JGitClientSession session;
public SessionConfig(JGitClientSession session) {
this.session = session;
}
private List<String> get(String key) {
HostConfigEntry entry = session.getHostConfigEntry();
if (entry instanceof JGitHostConfigEntry) {
// Always true!
return ((JGitHostConfigEntry) entry).getMultiValuedOptions()
.get(key);
}
return Collections.emptyList();
}
@Override
public List<String> getUserKnownHostsFiles() {
return get(SshConstants.USER_KNOWN_HOSTS_FILE);
}
@Override
public List<String> getGlobalKnownHostsFiles() {
return get(SshConstants.GLOBAL_KNOWN_HOSTS_FILE);
}
@Override
public StrictHostKeyChecking getStrictHostKeyChecking() {
HostConfigEntry entry = session.getHostConfigEntry();
String value = entry
.getProperty(SshConstants.STRICT_HOST_KEY_CHECKING, "ask"); //$NON-NLS-1$
switch (value.toLowerCase(Locale.ROOT)) {
case SshConstants.YES:
case SshConstants.ON:
return StrictHostKeyChecking.REQUIRE_MATCH;
case SshConstants.NO:
case SshConstants.OFF:
return StrictHostKeyChecking.ACCEPT_ANY;
case "accept-new": //$NON-NLS-1$
return StrictHostKeyChecking.ACCEPT_NEW;
default:
return StrictHostKeyChecking.ASK;
}
}
@Override
public boolean getHashKnownHosts() {
HostConfigEntry entry = session.getHostConfigEntry();
return flag(entry.getProperty(SshConstants.HASH_KNOWN_HOSTS));
}
@Override
public String getUsername() {
return session.getUsername();
}
}
}

4
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitSshClient.java

@ -177,6 +177,10 @@ public class JGitSshClient extends SshClient {
return remoteAddress;
}
InetSocketAddress address = (InetSocketAddress) proxy.address();
if (address.isUnresolved()) {
address = new InetSocketAddress(address.getHostName(),
address.getPort());
}
switch (proxy.type()) {
case HTTP:
setClientProxyConnector(

16
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/JGitSshConfig.java

@ -83,7 +83,9 @@ import org.eclipse.jgit.transport.SshConstants;
*/
public class JGitSshConfig implements HostConfigEntryResolver {
private OpenSshConfigFile configFile;
private final OpenSshConfigFile configFile;
private final String localUserName;
/**
* Creates a new {@link OpenSshConfigFile} that will read the config from
@ -92,20 +94,22 @@ public class JGitSshConfig implements HostConfigEntryResolver {
* @param home
* user's home directory for the purpose of ~ replacement
* @param config
* file to load.
* file to load; may be {@code null} if no ssh config file
* handling is desired
* @param localUserName
* user name of the current user on the local host OS
*/
public JGitSshConfig(@NonNull File home, @NonNull File config,
public JGitSshConfig(@NonNull File home, File config,
@NonNull String localUserName) {
configFile = new OpenSshConfigFile(home, config, localUserName);
this.localUserName = localUserName;
configFile = config == null ? null : new OpenSshConfigFile(home, config, localUserName);
}
@Override
public HostConfigEntry resolveEffectiveHost(String host, int port,
SocketAddress localAddress, String username,
AttributeRepository attributes) throws IOException {
HostEntry entry = configFile.lookup(host, port, username);
HostEntry entry = configFile == null ? new HostEntry() : configFile.lookup(host, port, username);
JGitHostConfigEntry config = new JGitHostConfigEntry();
// Apache MINA conflates all keys, even multi-valued ones, in one map
// and puts multiple values separated by commas in one string. See
@ -131,7 +135,7 @@ public class JGitSshConfig implements HostConfigEntryResolver {
String user = username != null && !username.isEmpty() ? username
: entry.getValue(SshConstants.USER);
if (user == null || user.isEmpty()) {
user = configFile.getLocalUserName();
user = localUserName;
}
config.setUsername(user);
config.setProperty(SshConstants.USER, user);

420
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/OpenSshServerKeyVerifier.java → org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/OpenSshServerKeyDatabase.java

@ -1,5 +1,5 @@
/*
* Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch>
* Copyright (C) 2018, 2019 Thomas Wolf <thomas.wolf@paranor.ch>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
@ -47,7 +47,6 @@ import static java.text.MessageFormat.format;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStreamWriter;
@ -59,34 +58,39 @@ import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.GeneralSecurityException;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Supplier;
import org.apache.sshd.client.config.hosts.HostConfigEntry;
import org.apache.sshd.client.config.hosts.HostPatternsHolder;
import org.apache.sshd.client.config.hosts.KnownHostDigest;
import org.apache.sshd.client.config.hosts.KnownHostEntry;
import org.apache.sshd.client.keyverifier.KnownHostsServerKeyVerifier;
import org.apache.sshd.client.config.hosts.KnownHostHashValue;
import org.apache.sshd.client.keyverifier.KnownHostsServerKeyVerifier.HostEntryPair;
import org.apache.sshd.client.keyverifier.ServerKeyVerifier;
import org.apache.sshd.client.session.ClientSession;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.common.config.keys.AuthorizedKeyEntry;
import org.apache.sshd.common.config.keys.KeyUtils;
import org.apache.sshd.common.config.keys.PublicKeyEntry;
import org.apache.sshd.common.config.keys.PublicKeyEntryResolver;
import org.apache.sshd.common.digest.BuiltinDigests;
import org.apache.sshd.common.mac.Mac;
import org.apache.sshd.common.util.io.ModifiableFileWatcher;
import org.apache.sshd.common.util.net.SshdSocketAddress;
import org.eclipse.jgit.annotations.NonNull;
import org.eclipse.jgit.internal.storage.file.LockFile;
import org.eclipse.jgit.transport.CredentialItem;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.SshConstants;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.jgit.transport.sshd.ServerKeyDatabase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -148,14 +152,14 @@ import org.slf4j.LoggerFactory;
* @see <a href="http://man.openbsd.org/OpenBSD-current/man5/ssh_config.5">man
* ssh-config</a>
*/
public class OpenSshServerKeyVerifier
implements ServerKeyVerifier, ServerKeyLookup {
public class OpenSshServerKeyDatabase
implements ServerKeyDatabase {
// TODO: GlobalKnownHostsFile? May need some kind of LRU caching; these
// files may be large!
private static final Logger LOG = LoggerFactory
.getLogger(OpenSshServerKeyVerifier.class);
.getLogger(OpenSshServerKeyDatabase.class);
/** Can be used to mark revoked known host lines. */
private static final String MARKER_REVOKED = "revoked"; //$NON-NLS-1$
@ -166,12 +170,8 @@ public class OpenSshServerKeyVerifier
private final List<HostKeyFile> defaultFiles = new ArrayList<>();
private enum ModifiedKeyHandling {
DENY, ALLOW, ALLOW_AND_STORE
}
/**
* Creates a new {@link OpenSshServerKeyVerifier}.
* Creates a new {@link OpenSshServerKeyDatabase}.
*
* @param askAboutNewFile
* whether to ask the user, if possible, about creating a new
@ -181,7 +181,7 @@ public class OpenSshServerKeyVerifier
* empty or {@code null}, in which case no default files are
* installed. The files need not exist.
*/
public OpenSshServerKeyVerifier(boolean askAboutNewFile,
public OpenSshServerKeyDatabase(boolean askAboutNewFile,
List<Path> defaultFiles) {
if (defaultFiles != null) {
for (Path file : defaultFiles) {
@ -193,38 +193,30 @@ public class OpenSshServerKeyVerifier
this.askAboutNewFile = askAboutNewFile;
}
private List<HostKeyFile> getFilesToUse(ClientSession session) {
private List<HostKeyFile> getFilesToUse(@NonNull Configuration config) {
List<HostKeyFile> filesToUse = defaultFiles;
if (session instanceof JGitClientSession) {
HostConfigEntry entry = ((JGitClientSession) session)
.getHostConfigEntry();
if (entry instanceof JGitHostConfigEntry) {
// Always true!
List<HostKeyFile> userFiles = addUserHostKeyFiles(
((JGitHostConfigEntry) entry).getMultiValuedOptions()
.get(SshConstants.USER_KNOWN_HOSTS_FILE));
if (!userFiles.isEmpty()) {
filesToUse = userFiles;
}
}
List<HostKeyFile> userFiles = addUserHostKeyFiles(
config.getUserKnownHostsFiles());
if (!userFiles.isEmpty()) {
filesToUse = userFiles;
}
return filesToUse;
}
@Override
public List<HostEntryPair> lookup(ClientSession session,
SocketAddress remote) {
List<HostKeyFile> filesToUse = getFilesToUse(session);
HostKeyHelper helper = new HostKeyHelper();
List<HostEntryPair> result = new ArrayList<>();
Collection<SshdSocketAddress> candidates = helper
.resolveHostNetworkIdentities(session, remote);
public List<PublicKey> lookup(@NonNull String connectAddress,
@NonNull InetSocketAddress remoteAddress,
@NonNull Configuration config) {
List<HostKeyFile> filesToUse = getFilesToUse(config);
List<PublicKey> result = new ArrayList<>();
Collection<SshdSocketAddress> candidates = getCandidates(
connectAddress, remoteAddress);
for (HostKeyFile file : filesToUse) {
for (HostEntryPair current : file.get()) {
KnownHostEntry entry = current.getHostEntry();
for (SshdSocketAddress host : candidates) {
if (entry.isHostMatch(host.getHostName(), host.getPort())) {
result.add(current);
result.add(current.getServerKey());
break;
}
}
@ -234,22 +226,23 @@ public class OpenSshServerKeyVerifier
}
@Override
public boolean verifyServerKey(ClientSession clientSession,
SocketAddress remoteAddress, PublicKey serverKey) {
List<HostKeyFile> filesToUse = getFilesToUse(clientSession);
AskUser ask = new AskUser();
public boolean accept(@NonNull String connectAddress,
@NonNull InetSocketAddress remoteAddress,
@NonNull PublicKey serverKey,
@NonNull Configuration config, CredentialsProvider provider) {
List<HostKeyFile> filesToUse = getFilesToUse(config);
AskUser ask = new AskUser(config, provider);
HostEntryPair[] modified = { null };
Path path = null;
HostKeyHelper helper = new HostKeyHelper();
Collection<SshdSocketAddress> candidates = getCandidates(connectAddress,
remoteAddress);
for (HostKeyFile file : filesToUse) {
try {
if (find(clientSession, remoteAddress, serverKey, file.get(),
modified, helper)) {
if (find(candidates, serverKey, file.get(), modified)) {
return true;
}
} catch (RevokedKeyException e) {
ask.revokedKey(clientSession, remoteAddress, serverKey,
file.getPath());
ask.revokedKey(remoteAddress, serverKey, file.getPath());
return false;
}
if (path == null && modified[0] != null) {
@ -260,20 +253,19 @@ public class OpenSshServerKeyVerifier
}
if (modified[0] != null) {
// We found an entry, but with a different key
ModifiedKeyHandling toDo = ask.acceptModifiedServerKey(
clientSession, remoteAddress, modified[0].getServerKey(),
AskUser.ModifiedKeyHandling toDo = ask.acceptModifiedServerKey(
remoteAddress, modified[0].getServerKey(),
serverKey, path);
if (toDo == ModifiedKeyHandling.ALLOW_AND_STORE) {
if (toDo == AskUser.ModifiedKeyHandling.ALLOW_AND_STORE) {
try {
updateModifiedServerKey(clientSession, remoteAddress,
serverKey, modified[0], path, helper);
updateModifiedServerKey(serverKey, modified[0], path);
knownHostsFiles.get(path).resetReloadAttributes();
} catch (IOException e) {
LOG.warn(format(SshdText.get().knownHostsCouldNotUpdate,
path));
}
}
if (toDo == ModifiedKeyHandling.DENY) {
if (toDo == AskUser.ModifiedKeyHandling.DENY) {
return false;
}
// TODO: OpenSsh disables password and keyboard-interactive
@ -281,18 +273,20 @@ public class OpenSshServerKeyVerifier
// are switched off. (Plus a few other things such as X11 forwarding
// that are of no interest to a git client.)
return true;
} else if (ask.acceptUnknownKey(clientSession, remoteAddress,
serverKey)) {
} else if (ask.acceptUnknownKey(remoteAddress, serverKey)) {
if (!filesToUse.isEmpty()) {
HostKeyFile toUpdate = filesToUse.get(0);
path = toUpdate.getPath();
try {
updateKnownHostsFile(clientSession, remoteAddress,
serverKey, path, helper);
toUpdate.resetReloadAttributes();
} catch (IOException e) {
if (Files.exists(path) || !askAboutNewFile
|| ask.createNewFile(path)) {
updateKnownHostsFile(candidates, serverKey, path,
config);
toUpdate.resetReloadAttributes();
}
} catch (Exception e) {
LOG.warn(format(SshdText.get().knownHostsCouldNotUpdate,
path));
path), e);
}
}
return true;
@ -304,12 +298,9 @@ public class OpenSshServerKeyVerifier
private static final long serialVersionUID = 1L;
}
private boolean find(ClientSession clientSession,
SocketAddress remoteAddress, PublicKey serverKey,
List<HostEntryPair> entries, HostEntryPair[] modified,
HostKeyHelper helper) throws RevokedKeyException {
Collection<SshdSocketAddress> candidates = helper
.resolveHostNetworkIdentities(clientSession, remoteAddress);
private boolean find(Collection<SshdSocketAddress> candidates,
PublicKey serverKey, List<HostEntryPair> entries,
HostEntryPair[] modified) throws RevokedKeyException {
for (HostEntryPair current : entries) {
KnownHostEntry entry = current.getHostEntry();
for (SshdSocketAddress host : candidates) {
@ -355,33 +346,13 @@ public class OpenSshServerKeyVerifier
return userFiles;
}
private void updateKnownHostsFile(ClientSession clientSession,
SocketAddress remoteAddress, PublicKey serverKey, Path path,
HostKeyHelper updater)
throws IOException {
KnownHostEntry entry = updater.prepareKnownHostEntry(clientSession,
remoteAddress, serverKey);
if (entry == null) {
private void updateKnownHostsFile(Collection<SshdSocketAddress> candidates,
PublicKey serverKey, Path path, Configuration config)
throws Exception {
String newEntry = createHostKeyLine(candidates, serverKey, config);
if (newEntry == null) {
return;
}
if (!Files.exists(path)) {
if (askAboutNewFile) {
CredentialsProvider provider = getCredentialsProvider(
clientSession);
if (provider == null) {
// We can't ask, so don't create the file
return;
}
URIish uri = new URIish().setPath(path.toString());
if (!askUser(provider, uri, //
format(SshdText.get().knownHostsUserAskCreationPrompt,
path), //
format(SshdText.get().knownHostsUserAskCreationMsg,
path))) {
return;
}
}
}
LockFile lock = new LockFile(path.toFile());
if (lock.lockForAppend()) {
try {
@ -389,7 +360,7 @@ public class OpenSshServerKeyVerifier
new OutputStreamWriter(lock.getOutputStream(),
UTF_8))) {
writer.newLine();
writer.write(entry.getConfigLine());
writer.write(newEntry);
writer.newLine();
}
lock.commit();
@ -403,15 +374,12 @@ public class OpenSshServerKeyVerifier
}
}
private void updateModifiedServerKey(ClientSession clientSession,
SocketAddress remoteAddress, PublicKey serverKey,
HostEntryPair entry, Path path, HostKeyHelper helper)
private void updateModifiedServerKey(PublicKey serverKey,
HostEntryPair entry, Path path)
throws IOException {
KnownHostEntry hostEntry = entry.getHostEntry();
String oldLine = hostEntry.getConfigLine();
String newLine = helper.prepareModifiedServerKeyLine(clientSession,
remoteAddress, hostEntry, oldLine, entry.getServerKey(),
serverKey);
String newLine = updateHostKeyLine(oldLine, serverKey);
if (newLine == null || newLine.isEmpty()) {
return;
}
@ -454,78 +422,65 @@ public class OpenSshServerKeyVerifier
}
}
private static CredentialsProvider getCredentialsProvider(
ClientSession session) {
if (session instanceof JGitClientSession) {
return ((JGitClientSession) session).getCredentialsProvider();
}
return null;
}
private static class AskUser {
private static boolean askUser(CredentialsProvider provider, URIish uri,
String prompt, String... messages) {
List<CredentialItem> items = new ArrayList<>(messages.length + 1);
for (String message : messages) {
items.add(new CredentialItem.InformationalMessage(message));
}
if (prompt != null) {
CredentialItem.YesNoType answer = new CredentialItem.YesNoType(
prompt);
items.add(answer);
return provider.get(uri, items) && answer.getValue();
} else {
return provider.get(uri, items);
public enum ModifiedKeyHandling {
DENY, ALLOW, ALLOW_AND_STORE
}
}
private static class AskUser {
private enum Check {
ASK, DENY, ALLOW;
}
@SuppressWarnings("nls")
private Check checkMode(ClientSession session,
SocketAddress remoteAddress, boolean changed) {
private final @NonNull Configuration config;
private final CredentialsProvider provider;
public AskUser(@NonNull Configuration config,
CredentialsProvider provider) {
this.config = config;
this.provider = provider;
}
private static boolean askUser(CredentialsProvider provider, URIish uri,
String prompt, String... messages) {
List<CredentialItem> items = new ArrayList<>(messages.length + 1);
for (String message : messages) {
items.add(new CredentialItem.InformationalMessage(message));
}
if (prompt != null) {
CredentialItem.YesNoType answer = new CredentialItem.YesNoType(
prompt);
items.add(answer);
return provider.get(uri, items) && answer.getValue();
} else {
return provider.get(uri, items);
}
}
private Check checkMode(SocketAddress remoteAddress, boolean changed) {
if (!(remoteAddress instanceof InetSocketAddress)) {
return Check.DENY;
}
if (session instanceof JGitClientSession) {
HostConfigEntry entry = ((JGitClientSession) session)
.getHostConfigEntry();
String value = entry.getProperty(
SshConstants.STRICT_HOST_KEY_CHECKING, "ask");
switch (value.toLowerCase(Locale.ROOT)) {
case SshConstants.YES:
case SshConstants.ON:
return Check.DENY;
case SshConstants.NO:
case SshConstants.OFF:
return Check.ALLOW;
case "accept-new":
return changed ? Check.DENY : Check.ALLOW;
default:
break;
}
}
if (getCredentialsProvider(session) == null) {
// This is called only for new, unknown hosts. If we have no way
// to interact with the user, the fallback mode is to deny the
// key.
switch (config.getStrictHostKeyChecking()) {
case REQUIRE_MATCH:
return Check.DENY;
case ACCEPT_ANY:
return Check.ALLOW;
case ACCEPT_NEW:
return changed ? Check.DENY : Check.ALLOW;
default:
return provider == null ? Check.DENY : Check.ASK;
}
return Check.ASK;
}
public void revokedKey(ClientSession clientSession,
SocketAddress remoteAddress, PublicKey serverKey, Path path) {
CredentialsProvider provider = getCredentialsProvider(
clientSession);
public void revokedKey(SocketAddress remoteAddress, PublicKey serverKey,
Path path) {
if (provider == null) {
return;
}
InetSocketAddress remote = (InetSocketAddress) remoteAddress;
URIish uri = JGitUserInteraction.toURI(clientSession.getUsername(),
URIish uri = JGitUserInteraction.toURI(config.getUsername(),
remote);
String sha256 = KeyUtils.getFingerPrint(BuiltinDigests.sha256,
serverKey);
@ -539,14 +494,12 @@ public class OpenSshServerKeyVerifier
md5, sha256);
}
public boolean acceptUnknownKey(ClientSession clientSession,
SocketAddress remoteAddress, PublicKey serverKey) {
Check check = checkMode(clientSession, remoteAddress, false);
public boolean acceptUnknownKey(SocketAddress remoteAddress,
PublicKey serverKey) {
Check check = checkMode(remoteAddress, false);
if (check != Check.ASK) {
return check == Check.ALLOW;
}
CredentialsProvider provider = getCredentialsProvider(
clientSession);
InetSocketAddress remote = (InetSocketAddress) remoteAddress;
// Ask the user
String sha256 = KeyUtils.getFingerPrint(BuiltinDigests.sha256,
@ -554,7 +507,7 @@ public class OpenSshServerKeyVerifier
String md5 = KeyUtils.getFingerPrint(BuiltinDigests.md5, serverKey);
String keyAlgorithm = serverKey.getAlgorithm();
String remoteHost = remote.getHostString();
URIish uri = JGitUserInteraction.toURI(clientSession.getUsername(),
URIish uri = JGitUserInteraction.toURI(config.getUsername(),
remote);
String prompt = SshdText.get().knownHostsUnknownKeyPrompt;
return askUser(provider, uri, prompt, //
@ -566,19 +519,17 @@ public class OpenSshServerKeyVerifier
}
public ModifiedKeyHandling acceptModifiedServerKey(
ClientSession clientSession,
SocketAddress remoteAddress, PublicKey expected,
InetSocketAddress remoteAddress, PublicKey expected,
PublicKey actual, Path path) {
Check check = checkMode(clientSession, remoteAddress, true);
Check check = checkMode(remoteAddress, true);
if (check == Check.ALLOW) {
// Never auto-store on CHECK.ALLOW
return ModifiedKeyHandling.ALLOW;
}
InetSocketAddress remote = (InetSocketAddress) remoteAddress;
String keyAlgorithm = actual.getAlgorithm();
String remoteHost = remote.getHostString();
URIish uri = JGitUserInteraction.toURI(clientSession.getUsername(),
remote);
String remoteHost = remoteAddress.getHostString();
URIish uri = JGitUserInteraction.toURI(config.getUsername(),
remoteAddress);
List<String> messages = new ArrayList<>();
String warning = format(
SshdText.get().knownHostsModifiedKeyWarning,
@ -589,8 +540,6 @@ public class OpenSshServerKeyVerifier
KeyUtils.getFingerPrint(BuiltinDigests.sha256, actual));
messages.addAll(Arrays.asList(warning.split("\n"))); //$NON-NLS-1$
CredentialsProvider provider = getCredentialsProvider(
clientSession);
if (check == Check.DENY) {
if (provider != null) {
messages.add(format(
@ -618,6 +567,17 @@ public class OpenSshServerKeyVerifier
return ModifiedKeyHandling.DENY;
}
public boolean createNewFile(Path path) {
if (provider == null) {
// We can't ask, so don't create the file
return false;
}
URIish uri = new URIish().setPath(path.toString());
return askUser(provider, uri, //
format(SshdText.get().knownHostsUserAskCreationPrompt,
path), //
format(SshdText.get().knownHostsUserAskCreationMsg, path));
}
}
private static class HostKeyFile extends ModifiableFileWatcher
@ -694,50 +654,108 @@ public class OpenSshServerKeyVerifier
}
}
// The stuff below is just a hack to avoid having to copy a lot of code from
// KnownHostsServerKeyVerifier
private static class HostKeyHelper extends KnownHostsServerKeyVerifier {
public HostKeyHelper() {
// These two arguments will never be used in any way.
super((c, r, s) -> false, new File(".").toPath()); //$NON-NLS-1$
private int parsePort(String s) {
try {
return Integer.parseInt(s);
} catch (NumberFormatException e) {
return -1;
}
}
@Override
protected KnownHostEntry prepareKnownHostEntry(
ClientSession clientSession, SocketAddress remoteAddress,
PublicKey serverKey) throws IOException {
// Make this method accessible
try {
return super.prepareKnownHostEntry(clientSession, remoteAddress,
serverKey);
} catch (Exception e) {
throw new IOException(e.getMessage(), e);
private SshdSocketAddress toSshdSocketAddress(@NonNull String address) {
String host = null;
int port = 0;
if (HostPatternsHolder.NON_STANDARD_PORT_PATTERN_ENCLOSURE_START_DELIM == address
.charAt(0)) {
int end = address.indexOf(
HostPatternsHolder.NON_STANDARD_PORT_PATTERN_ENCLOSURE_END_DELIM);
if (end <= 1) {
return null; // Invalid
}
host = address.substring(1, end);
if (end < address.length() - 1
&& HostPatternsHolder.PORT_VALUE_DELIMITER == address
.charAt(end + 1)) {
port = parsePort(address.substring(end + 2));
}
} else {
int i = address
.lastIndexOf(HostPatternsHolder.PORT_VALUE_DELIMITER);
if (i > 0) {
port = parsePort(address.substring(i + 1));
host = address.substring(0, i);
} else {
host = address;
}
}
if (port < 0 || port > 65535) {
return null;
}
return new SshdSocketAddress(host, port);
}
@Override
protected String prepareModifiedServerKeyLine(
ClientSession clientSession, SocketAddress remoteAddress,
KnownHostEntry entry, String curLine, PublicKey expected,
PublicKey actual) throws IOException {
// Make this method accessible
try {
return super.prepareModifiedServerKeyLine(clientSession,
remoteAddress, entry, curLine, expected, actual);
} catch (Exception e) {
throw new IOException(e.getMessage(), e);
private Collection<SshdSocketAddress> getCandidates(
@NonNull String connectAddress,
@NonNull InetSocketAddress remoteAddress) {
Collection<SshdSocketAddress> candidates = new TreeSet<>(
SshdSocketAddress.BY_HOST_AND_PORT);
candidates.add(SshdSocketAddress.toSshdSocketAddress(remoteAddress));
SshdSocketAddress address = toSshdSocketAddress(connectAddress);
if (address != null) {
candidates.add(address);
}
return candidates;
}
private String createHostKeyLine(Collection<SshdSocketAddress> patterns,
PublicKey key, Configuration config) throws Exception {
StringBuilder result = new StringBuilder();
if (config.getHashKnownHosts()) {
// SHA1 is the only algorithm for host name hashing known to OpenSSH
// or to Apache MINA sshd.
NamedFactory<Mac> digester = KnownHostDigest.SHA1;
Mac mac = digester.create();
SecureRandom prng = new SecureRandom();
byte[] salt = new byte[mac.getDefaultBlockSize()];
for (SshdSocketAddress address : patterns) {
if (result.length() > 0) {
result.append(',');
}
prng.nextBytes(salt);
KnownHostHashValue.append(result, digester, salt,
KnownHostHashValue.calculateHashValue(
address.getHostName(), address.getPort(), mac,
salt));
}
} else {
for (SshdSocketAddress address : patterns) {
if (result.length() > 0) {
result.append(',');
}
KnownHostHashValue.appendHostPattern(result,
address.getHostName(), address.getPort());
}
}
result.append(' ');
PublicKeyEntry.appendPublicKeyEntry(result, key);
return result.toString();
}
@Override
protected Collection<SshdSocketAddress> resolveHostNetworkIdentities(
ClientSession clientSession, SocketAddress remoteAddress) {
// Make this method accessible
return super.resolveHostNetworkIdentities(clientSession,
remoteAddress);
private String updateHostKeyLine(String line, PublicKey newKey)
throws IOException {
// Replaces an existing public key by the new key
int pos = line.indexOf(' ');
if (pos > 0 && line.charAt(0) == KnownHostEntry.MARKER_INDICATOR) {
// We're at the end of the marker. Skip ahead to the next blank.
pos = line.indexOf(' ', pos + 1);
}
if (pos < 0) {
// Don't update if bogus format
return null;
}
StringBuilder result = new StringBuilder(line.substring(0, pos + 1));
PublicKeyEntry.appendPublicKeyEntry(result, newKey);
return result.toString();
}
}

6
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/ServerKeyLookup.java

@ -43,9 +43,9 @@
package org.eclipse.jgit.internal.transport.sshd;
import java.net.SocketAddress;
import java.security.PublicKey;
import java.util.List;
import org.apache.sshd.client.keyverifier.KnownHostsServerKeyVerifier.HostEntryPair;
import org.apache.sshd.client.session.ClientSession;
import org.eclipse.jgit.annotations.NonNull;
@ -55,7 +55,7 @@ import org.eclipse.jgit.annotations.NonNull;
public interface ServerKeyLookup {
/**
* Retrieves all entries for a given remote address.
* Retrieves all public keys known for a given remote.
*
* @param session
* needed to determine the config files if specified in the ssh
@ -65,5 +65,5 @@ public interface ServerKeyLookup {
* @return a possibly empty list of entries found, including revoked ones
*/
@NonNull
List<HostEntryPair> lookup(ClientSession session, SocketAddress remote);
List<PublicKey> lookup(ClientSession session, SocketAddress remote);
}

4
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/transport/sshd/DefaultProxyDataFactory.java

@ -62,8 +62,8 @@ public class DefaultProxyDataFactory implements ProxyDataFactory {
public ProxyData get(InetSocketAddress remoteAddress) {
try {
List<Proxy> proxies = ProxySelector.getDefault()
.select(new URI(Proxy.Type.SOCKS.name(),
"//" + remoteAddress.getHostString(), null)); //$NON-NLS-1$
.select(new URI(
"socket://" + remoteAddress.getHostString())); //$NON-NLS-1$
ProxyData data = getData(proxies, Proxy.Type.SOCKS);
if (data == null) {
proxies = ProxySelector.getDefault()

177
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/transport/sshd/ServerKeyDatabase.java

@ -0,0 +1,177 @@
/*
* Copyright (C) 2019 Thomas Wolf <thomas.wolf@paranor.ch>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.transport.sshd;
import java.net.InetSocketAddress;
import java.security.PublicKey;
import java.util.List;
import org.eclipse.jgit.annotations.NonNull;
import org.eclipse.jgit.transport.CredentialsProvider;
/**
* An interface for a database of known server keys, supporting finding all
* known keys and also deciding whether a server key is to be accepted.
* <p>
* Connection addresses are given as strings of the format
* {@code [hostName]:port} if using a non-standard port (i.e., not port 22),
* otherwise just {@code hostname}.
* </p>
*
* @since 5.5
*/
public interface ServerKeyDatabase {
/**
* Retrieves all known host keys for the given addresses.
*
* @param connectAddress
* IP address the session tried to connect to
* @param remoteAddress
* IP address as reported for the remote end point
* @param config
* giving access to potentially interesting configuration
* settings
* @return the list of known keys for the given addresses
*/
@NonNull
List<PublicKey> lookup(@NonNull String connectAddress,
@NonNull InetSocketAddress remoteAddress,
@NonNull Configuration config);
/**
* Determines whether to accept a received server host key.
*
* @param connectAddress
* IP address the session tried to connect to
* @param remoteAddress
* IP address as reported for the remote end point
* @param serverKey
* received from the remote end
* @param config
* giving access to potentially interesting configuration
* settings
* @param provider
* for interacting with the user, if required; may be
* {@code null}
* @return {@code true} if the serverKey is accepted, {@code false}
* otherwise
*/
boolean accept(@NonNull String connectAddress,
@NonNull InetSocketAddress remoteAddress,
@NonNull PublicKey serverKey,
@NonNull Configuration config, CredentialsProvider provider);
/**
* A simple provider for ssh config settings related to host key checking.
* An instance is created by the JGit sshd framework and passed into
* {@link ServerKeyDatabase#lookup(String, InetSocketAddress, Configuration)}
* and
* {@link ServerKeyDatabase#accept(String, InetSocketAddress, PublicKey, Configuration, CredentialsProvider)}.
*/
interface Configuration {
/**
* Retrieves the list of file names from the "UserKnownHostsFile" ssh
* config.
*
* @return the list as configured, with ~ already replaced
*/
List<String> getUserKnownHostsFiles();
/**
* Retrieves the list of file names from the "GlobalKnownHostsFile" ssh
* config.
*
* @return the list as configured, with ~ already replaced
*/
List<String> getGlobalKnownHostsFiles();
/**
* The possible values for the "StrictHostKeyChecking" ssh config.
*/
enum StrictHostKeyChecking {
/**
* "ask"; default: ask the user whether to accept (and store) a new
* or mismatched key.
*/
ASK,
/**
* "yes", "on": never accept new or mismatched keys.
*/
REQUIRE_MATCH,
/**
* "no", "off": always accept new or mismatched keys.
*/
ACCEPT_ANY,
/**
* "accept-new": accept new keys, but never accept modified keys.
*/
ACCEPT_NEW
}
/**
* Obtains the value of the "StrictHostKeyChecking" ssh config.
*
* @return the {@link StrictHostKeyChecking}
*/
@NonNull
StrictHostKeyChecking getStrictHostKeyChecking();
/**
* Obtains the value of the "HashKnownHosts" ssh config.
*
* @return {@code true} if new entries should be stored with hashed host
* information, {@code false} otherwise
*/
boolean getHashKnownHosts();
/**
* Obtains the user name used in the connection attempt.
*
* @return the user name
*/
@NonNull
String getUsername();
}
}

53
org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/transport/sshd/SshdSessionFactory.java

@ -1,5 +1,5 @@
/*
* Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch>
* Copyright (C) 2018, 2019 Thomas Wolf <thomas.wolf@paranor.ch>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
@ -66,7 +66,6 @@ import org.apache.sshd.client.auth.UserAuth;
import org.apache.sshd.client.auth.keyboard.UserAuthKeyboardInteractiveFactory;
import org.apache.sshd.client.auth.pubkey.UserAuthPublicKeyFactory;
import org.apache.sshd.client.config.hosts.HostConfigEntryResolver;
import org.apache.sshd.client.keyverifier.ServerKeyVerifier;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.common.compression.BuiltinCompressions;
import org.apache.sshd.common.config.keys.FilePasswordProvider;
@ -77,10 +76,11 @@ import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.internal.transport.sshd.CachingKeyPairProvider;
import org.eclipse.jgit.internal.transport.sshd.GssApiWithMicAuthFactory;
import org.eclipse.jgit.internal.transport.sshd.JGitPasswordAuthFactory;
import org.eclipse.jgit.internal.transport.sshd.JGitServerKeyVerifier;
import org.eclipse.jgit.internal.transport.sshd.JGitSshClient;
import org.eclipse.jgit.internal.transport.sshd.JGitSshConfig;
import org.eclipse.jgit.internal.transport.sshd.JGitUserInteraction;
import org.eclipse.jgit.internal.transport.sshd.OpenSshServerKeyVerifier;
import org.eclipse.jgit.internal.transport.sshd.OpenSshServerKeyDatabase;
import org.eclipse.jgit.internal.transport.sshd.PasswordProviderWrapper;
import org.eclipse.jgit.internal.transport.sshd.SshdText;
import org.eclipse.jgit.transport.CredentialsProvider;
@ -104,7 +104,7 @@ public class SshdSessionFactory extends SshSessionFactory implements Closeable {
private final Map<Tuple, HostConfigEntryResolver> defaultHostConfigEntryResolver = new ConcurrentHashMap<>();
private final Map<Tuple, ServerKeyVerifier> defaultServerKeyVerifier = new ConcurrentHashMap<>();
private final Map<Tuple, ServerKeyDatabase> defaultServerKeyDatabase = new ConcurrentHashMap<>();
private final Map<Tuple, Iterable<KeyPair>> defaultKeys = new ConcurrentHashMap<>();
@ -226,7 +226,8 @@ public class SshdSessionFactory extends SshSessionFactory implements Closeable {
.filePasswordProvider(
createFilePasswordProvider(passphrases))
.hostConfigEntryResolver(configFile)
.serverKeyVerifier(getServerKeyVerifier(home, sshDir))
.serverKeyVerifier(new JGitServerKeyVerifier(
getServerKeyDatabase(home, sshDir)))
.compressionFactories(
new ArrayList<>(BuiltinCompressions.VALUES))
.build();
@ -360,34 +361,48 @@ public class SshdSessionFactory extends SshSessionFactory implements Closeable {
@NonNull File homeDir, @NonNull File sshDir) {
return defaultHostConfigEntryResolver.computeIfAbsent(
new Tuple(new Object[] { homeDir, sshDir }),
t -> new JGitSshConfig(homeDir,
new File(sshDir, SshConstants.CONFIG),
t -> new JGitSshConfig(homeDir, getSshConfig(sshDir),
getLocalUserName()));
}
/**
* Obtain a {@link ServerKeyVerifier} to read known_hosts files and to
* verify server host keys. The default implementation returns a
* {@link ServerKeyVerifier} that recognizes the two openssh standard files
* {@code ~/.ssh/known_hosts} and {@code ~/.ssh/known_hosts2} as well as any
* files configured via the {@code UserKnownHostsFile} option in the ssh
* config file.
* Determines the ssh config file. The default implementation returns
* ~/.ssh/config. If the file does not exist and is created later it will be
* picked up. To not use a config file at all, return {@code null}.
*
* @param sshDir
* representing ~/.ssh/
* @return the file (need not exist), or {@code null} if no config file
* shall be used
* @since 5.5
*/
protected File getSshConfig(@NonNull File sshDir) {
return new File(sshDir, SshConstants.CONFIG);
}
/**
* Obtain a {@link ServerKeyDatabase} to verify server host keys. The
* default implementation returns a {@link ServerKeyDatabase} that
* recognizes the two openssh standard files {@code ~/.ssh/known_hosts} and
* {@code ~/.ssh/known_hosts2} as well as any files configured via the
* {@code UserKnownHostsFile} option in the ssh config file.
*
* @param homeDir
* home directory to use for ~ replacement
* @param sshDir
* representing ~/.ssh/
* @return the resolver
* @return the {@link ServerKeyDatabase}
* @since 5.5
*/
@NonNull
private ServerKeyVerifier getServerKeyVerifier(@NonNull File homeDir,
protected ServerKeyDatabase getServerKeyDatabase(@NonNull File homeDir,
@NonNull File sshDir) {
return defaultServerKeyVerifier.computeIfAbsent(
return defaultServerKeyDatabase.computeIfAbsent(
new Tuple(new Object[] { homeDir, sshDir }),
t -> new OpenSshServerKeyVerifier(true,
t -> new OpenSshServerKeyDatabase(true,
getDefaultKnownHostsFiles(sshDir)));
}
}
/**
* Gets the list of default user known hosts files. The default returns
* ~/.ssh/known_hosts and ~/.ssh/known_hosts2. The ssh config
@ -540,7 +555,7 @@ public class SshdSessionFactory extends SshSessionFactory implements Closeable {
* the ssh config defines {@code PreferredAuthentications} the value from
* the ssh config takes precedence.
*
* @return a comma-separated list of algorithm names, or {@code null} if
* @return a comma-separated list of mechanism names, or {@code null} if
* none
*/
protected String getDefaultPreferredAuthentications() {

2
org.eclipse.jgit.test/src/org/eclipse/jgit/transport/ssh/SshTestBase.java

@ -305,7 +305,7 @@ public abstract class SshTestBase extends SshTestHarness {
// without provider. If it works, the server host key was written
// correctly.
File clonedAgain = new File(getTemporaryDirectory(), "cloned2");
cloneWith("ssh://localhost/doesntmatter", clonedAgain, provider, //
cloneWith("ssh://localhost/doesntmatter", clonedAgain, null, //
"Host localhost", //
"HostName localhost", //
"Port " + testPort, //

29
org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/BatchRefUpdateTest.java

@ -43,6 +43,7 @@
package org.eclipse.jgit.internal.storage.file;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.eclipse.jgit.internal.storage.file.BatchRefUpdateTest.Result.LOCK_FAILURE;
@ -64,6 +65,7 @@ import static org.junit.Assume.assumeTrue;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
@ -161,6 +163,33 @@ public class BatchRefUpdateTest extends LocalDiskRepositoryTestCase {
refsChangedEvents = 0;
}
@Test
public void packedRefsFileIsSorted() throws IOException {
assumeTrue(atomic);
for (int i = 0; i < 2; i++) {
BatchRefUpdate bu = diskRepo.getRefDatabase().newBatchUpdate();
String b1 = String.format("refs/heads/a%d",i);
String b2 = String.format("refs/heads/b%d",i);
bu.setAtomic(atomic);
ReceiveCommand c1 = new ReceiveCommand(ObjectId.zeroId(), A, b1);
ReceiveCommand c2 = new ReceiveCommand(ObjectId.zeroId(), B, b2);
bu.addCommand(c1, c2);
try (RevWalk rw = new RevWalk(diskRepo)) {
bu.execute(rw, NullProgressMonitor.INSTANCE);
}
assertEquals(c1.getResult(), ReceiveCommand.Result.OK);
assertEquals(c2.getResult(), ReceiveCommand.Result.OK);
}
File packed = new File(diskRepo.getDirectory(), "packed-refs");
String packedStr = new String(Files.readAllBytes(packed.toPath()), UTF_8);
int a2 = packedStr.indexOf("refs/heads/a1");
int b1 = packedStr.indexOf("refs/heads/b0");
assertTrue(a2 < b1);
}
@Test
public void simpleNoForce() throws IOException {
writeLooseRef("refs/heads/master", A);

161
org.eclipse.jgit/.settings/.api_filters

@ -1,166 +1,11 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<component id="org.eclipse.jgit" version="2">
<resource path="src/org/eclipse/jgit/dircache/DirCacheEntry.java" type="org.eclipse.jgit.dircache.DirCacheEntry">
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="getLastModifiedInstant()"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="mightBeRacilyClean(Instant)"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="setLastModified(Instant)"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/lib/AnyObjectId.java" type="org.eclipse.jgit.lib.AnyObjectId">
<resource path="src/org/eclipse/jgit/transport/SshConstants.java" type="org.eclipse.jgit.transport.SshConstants">
<filter id="1141899266">
<message_arguments>
<message_argument value="5.4"/>
<message_argument value="5.5"/>
<message_argument value="isEqual(AnyObjectId, AnyObjectId)"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/lib/ConfigConstants.java" type="org.eclipse.jgit.lib.ConfigConstants">
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="CONFIG_FILESYSTEM_SECTION"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="CONFIG_KEY_MIN_RACY_THRESHOLD"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="CONFIG_KEY_TIMESTAMP_RESOLUTION"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java" type="org.eclipse.jgit.treewalk.WorkingTreeIterator">
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="getEntryLastModifiedInstant()"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java" type="org.eclipse.jgit.treewalk.WorkingTreeIterator$Entry">
<filter id="336695337">
<message_arguments>
<message_argument value="org.eclipse.jgit.treewalk.WorkingTreeIterator.Entry"/>
<message_argument value="getLastModifiedInstant()"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="getLastModifiedInstant()"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/FS.java" type="org.eclipse.jgit.util.FS">
<filter id="338792546">
<message_arguments>
<message_argument value="org.eclipse.jgit.util.FS"/>
<message_argument value="getFsTimerResolution(Path)"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="getFileStoreAttributes(Path)"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="lastModifiedInstant(File)"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="lastModifiedInstant(Path)"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="setAsyncFileStoreAttributes(boolean)"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="setLastModified(Path, Instant)"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/FS.java" type="org.eclipse.jgit.util.FS$Attributes">
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="getLastModifiedInstant()"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/FS.java" type="org.eclipse.jgit.util.FS$FileStoreAttributes">
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="FileStoreAttributes"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/References.java" type="org.eclipse.jgit.util.References">
<filter id="1108344834">
<message_arguments>
<message_argument value="5.4"/>
<message_argument value="5.5"/>
<message_argument value="org.eclipse.jgit.util.References"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/SimpleLruCache.java" type="org.eclipse.jgit.util.SimpleLruCache">
<filter id="1109393411">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="org.eclipse.jgit.util.SimpleLruCache"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/Stats.java" type="org.eclipse.jgit.util.Stats">
<filter id="1109393411">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="org.eclipse.jgit.util.Stats"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/SystemReader.java" type="org.eclipse.jgit.util.SystemReader">
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="getSystemConfig()"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.1.9"/>
<message_argument value="getUserConfig()"/>
<message_argument value="5.6"/>
<message_argument value="HASH_KNOWN_HOSTS"/>
</message_arguments>
</filter>
</resource>

118
org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackedBatchRefUpdate.java

@ -51,10 +51,10 @@ import static org.eclipse.jgit.transport.ReceiveCommand.Result.REJECTED_OTHER_RE
import java.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
@ -364,65 +364,72 @@ class PackedBatchRefUpdate extends BatchRefUpdate {
private static RefList<Ref> applyUpdates(RevWalk walk, RefList<Ref> refs,
List<ReceiveCommand> commands) throws IOException {
int nDeletes = 0;
List<ReceiveCommand> adds = new ArrayList<>(commands.size());
// Construct a new RefList by merging the old list with the updates.
// This assumes that each ref occurs at most once as a ReceiveCommand.
Collections.sort(commands, new Comparator<ReceiveCommand>() {
@Override
public int compare(ReceiveCommand a, ReceiveCommand b) {
return a.getRefName().compareTo(b.getRefName());
}
});
int delta = 0;
for (ReceiveCommand c : commands) {
if (c.getType() == ReceiveCommand.Type.CREATE) {
adds.add(c);
} else if (c.getType() == ReceiveCommand.Type.DELETE) {
nDeletes++;
switch (c.getType()) {
case DELETE:
delta--;
break;
case CREATE:
delta++;
break;
default:
}
}
int addIdx = 0;
// Construct a new RefList by linearly scanning the old list, and merging in
// any updates.
Map<String, ReceiveCommand> byName = byName(commands);
RefList.Builder<Ref> b =
new RefList.Builder<>(refs.size() - nDeletes + adds.size());
for (Ref ref : refs) {
String name = ref.getName();
ReceiveCommand cmd = byName.remove(name);
if (cmd == null) {
b.add(ref);
continue;
}
if (!cmd.getOldId().equals(ref.getObjectId())) {
lockFailure(cmd, commands);
return null;
RefList.Builder<Ref> b = new RefList.Builder<>(refs.size() + delta);
int refIdx = 0;
int cmdIdx = 0;
while (refIdx < refs.size() || cmdIdx < commands.size()) {
Ref ref = (refIdx < refs.size()) ? refs.get(refIdx) : null;
ReceiveCommand cmd = (cmdIdx < commands.size())
? commands.get(cmdIdx)
: null;
int cmp = 0;
if (ref != null && cmd != null) {
cmp = ref.getName().compareTo(cmd.getRefName());
} else if (ref == null) {
cmp = 1;
} else if (cmd == null) {
cmp = -1;
}
// Consume any adds between the last and current ref.
while (addIdx < adds.size()) {
ReceiveCommand currAdd = adds.get(addIdx);
if (currAdd.getRefName().compareTo(name) < 0) {
b.add(peeledRef(walk, currAdd));
byName.remove(currAdd.getRefName());
} else {
break;
if (cmp < 0) {
b.add(ref);
refIdx++;
} else if (cmp > 0) {
assert cmd != null;
if (cmd.getType() != ReceiveCommand.Type.CREATE) {
lockFailure(cmd, commands);
return null;
}
addIdx++;
}
if (cmd.getType() != ReceiveCommand.Type.DELETE) {
b.add(peeledRef(walk, cmd));
}
}
// All remaining adds are valid, since the refs didn't exist.
while (addIdx < adds.size()) {
ReceiveCommand cmd = adds.get(addIdx++);
byName.remove(cmd.getRefName());
b.add(peeledRef(walk, cmd));
}
cmdIdx++;
} else {
assert cmd != null;
assert ref != null;
if (!cmd.getOldId().equals(ref.getObjectId())) {
lockFailure(cmd, commands);
return null;
}
// Any remaining updates/deletes do not correspond to any existing refs, so
// they are lock failures.
if (!byName.isEmpty()) {
lockFailure(byName.values().iterator().next(), commands);
return null;
if (cmd.getType() != ReceiveCommand.Type.DELETE) {
b.add(peeledRef(walk, cmd));
}
cmdIdx++;
refIdx++;
}
}
return b.toRefList();
}
@ -501,15 +508,6 @@ class PackedBatchRefUpdate extends BatchRefUpdate {
}
}
private static Map<String, ReceiveCommand> byName(
List<ReceiveCommand> commands) {
Map<String, ReceiveCommand> ret = new LinkedHashMap<>();
for (ReceiveCommand cmd : commands) {
ret.put(cmd.getRefName(), cmd);
}
return ret;
}
private static Ref peeledRef(RevWalk walk, ReceiveCommand cmd)
throws IOException {
ObjectId newId = cmd.getNewId().copy();

7
org.eclipse.jgit/src/org/eclipse/jgit/transport/SshConstants.java

@ -101,6 +101,13 @@ public final class SshConstants {
/** Key in an ssh config file. */
public static final String GLOBAL_KNOWN_HOSTS_FILE = "GlobalKnownHostsFile";
/**
* Key in an ssh config file.
*
* @since 5.5
*/
public static final String HASH_KNOWN_HOSTS = "HashKnownHosts";
/** Key in an ssh config file. */
public static final String HOST = "Host";

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