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Posted to mapreduce-commits@hadoop.apache.org by dd...@apache.org on 2012/03/17 00:16:19 UTC
svn commit: r1301820 -
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
Author: ddas
Date: Fri Mar 16 23:16:19 2012
New Revision: 1301820
URL: http://svn.apache.org/viewvc?rev=1301820&view=rev
Log:
Fixing an issue to do with setting of correct groups for tasks. Contributed by Aaron T Myers.
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
Modified: hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c?rev=1301820&r1=1301819&r2=1301820&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c Fri Mar 16 23:16:19 2012
@@ -526,6 +526,17 @@ int set_user(const char *user) {
if (user_detail == NULL) {
return -1;
}
+
+ if (geteuid() == user_detail->pw_uid) {
+ return 0;
+ }
+
+ if (initgroups(user, user_detail->pw_gid) != 0) {
+ fprintf(LOGFILE, "Error setting supplementary groups for user %s: %s\n",
+ user, strerror(errno));
+ return -1;
+ }
+
return change_effective_user(user_detail->pw_uid, user_detail->pw_gid);
}