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merge -r1301819:1301820 from trunk onto branch-0.23. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1301821 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Devaraj Das 2012-03-16 23:23:13 +00:00
parent eb0311aedc
commit 94249757ee
1 changed files with 11 additions and 0 deletions
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11
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
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@ -526,6 +526,17 @@ int set_user(const char *user) {
if (user_detail == NULL) { if (user_detail == NULL) {
return -1; 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); return change_effective_user(user_detail->pw_uid, user_detail->pw_gid);
} }