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HADOOP-9070. Kerberos SASL server cannot find kerberos key. Contributed by Daryn Sharp.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1417729 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-12-06 02:53:36 +00:00
parent adb8941cc2
commit 3337588975
2 changed files with 25 additions and 10 deletions
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2
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -463,6 +463,8 @@ Release 2.0.3-alpha - Unreleased
HADOOP-9103. UTF8 class does not properly decode Unicode characters
outside the basic multilingual plane. (todd)
HADOOP-9070. Kerberos SASL server cannot find kerberos key. (daryn via atm)
Release 2.0.2-alpha - 2012-09-07
INCOMPATIBLE CHANGES

33
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
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@ -199,7 +199,8 @@ static IpcSerializationType fromByte(byte b) {
// in ObjectWritable to efficiently transmit arrays of primitives
// 6 : Made RPC payload header explicit
// 7 : Changed Ipc Connection Header to use Protocol buffers
public static final byte CURRENT_VERSION = 7;
// 8 : SASL server always sends a final response
public static final byte CURRENT_VERSION = 8;
/**
* Initial and max size of response buffer
@ -1220,8 +1221,8 @@ private void saslReadAndProcess(byte[] saslToken) throws IOException,
AUDITLOG.warn(AUTH_FAILED_FOR + clientIP + ":" + attemptingUser);
throw e;
}
if (replyToken == null && authMethod == AuthMethod.PLAIN) {
// client needs at least response to know if it should use SIMPLE
if (saslServer.isComplete() && replyToken == null) {
// send final response for success
replyToken = new byte[0];
}
if (replyToken != null) {
@ -1392,7 +1393,7 @@ public int readAndProcess() throws IOException, InterruptedException {
}
private AuthMethod initializeAuthContext(AuthMethod authMethod)
throws IOException {
throws IOException, InterruptedException {
try {
if (enabledAuthMethods.contains(authMethod)) {
saslServer = createSaslServer(authMethod);
@ -1425,8 +1426,7 @@ private AuthMethod initializeAuthContext(AuthMethod authMethod)
}
private SaslServer createSaslServer(AuthMethod authMethod)
throws IOException {
SaslServer saslServer = null;
throws IOException, InterruptedException {
String hostname = null;
String saslProtocol = null;
CallbackHandler saslCallback = null;
@ -1462,10 +1462,23 @@ private SaslServer createSaslServer(AuthMethod authMethod)
"Server does not support SASL " + authMethod);
}
String mechanism = authMethod.getMechanismName();
saslServer = Sasl.createSaslServer(
mechanism, saslProtocol, hostname,
SaslRpcServer.SASL_PROPS, saslCallback);
return createSaslServer(authMethod.getMechanismName(), saslProtocol,
hostname, saslCallback);
}
private SaslServer createSaslServer(final String mechanism,
final String protocol,
final String hostname,
final CallbackHandler callback
) throws IOException, InterruptedException {
SaslServer saslServer = UserGroupInformation.getCurrentUser().doAs(
new PrivilegedExceptionAction<SaslServer>() {
@Override
public SaslServer run() throws SaslException {
return Sasl.createSaslServer(mechanism, protocol, hostname,
SaslRpcServer.SASL_PROPS, callback);
}
});
if (saslServer == null) {
throw new AccessControlException(
"Unable to find SASL server implementation for " + mechanism);