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Merged r1236960 from trunk for HADOOP-7988. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1236962 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jitendra Nath Pandey 2012-01-28 02:35:25 +00:00
parent 94790f2a1c
commit 0b69afc808
3 changed files with 14 additions and 1 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -81,6 +81,9 @@ Release 0.23.1 - Unreleased
HADOOP-7939. Improve Hadoop subcomponent integration in Hadoop 0.23. (rvs via tucu)
HADOOP-7988. Upper case in hostname part of the principals doesn't work with
kerberos. (jitendra)
OPTIMIZATIONS
BUG FIXES

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
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@ -236,7 +236,7 @@ public class SecurityUtil {
if (fqdn == null || fqdn.equals("") || fqdn.equals("0.0.0.0")) {
fqdn = getLocalHostName();
}
return components[0] + "/" + fqdn + "@" + components[2];
return components[0] + "/" + fqdn.toLowerCase() + "@" + components[2];
}
static String getLocalHostName() throws UnknownHostException {

10
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestSecurityUtil.java
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@ -89,6 +89,16 @@ public class TestSecurityUtil {
Mockito.verify(notUsed, Mockito.never()).getCanonicalHostName();
}
@Test
public void testPrincipalsWithLowerCaseHosts() throws IOException {
String service = "xyz/";
String realm = "@REALM";
String principalInConf = service + SecurityUtil.HOSTNAME_PATTERN + realm;
String hostname = "FooHost";
String principal = service + hostname.toLowerCase() + realm;
verify(principalInConf, hostname, principal);
}
@Test
public void testLocalHostNameForNullOrWild() throws Exception {
String local = SecurityUtil.getLocalHostName();