HDFS-4485. DN should chmod socket path a+w. Contributed by Colin Patrick McCabe.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-347@1444304 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2013-02-09 00:58:46 +00:00
parent 3d46863e12
commit 1132f51a9c
2 changed files with 17 additions and 0 deletions

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@ -196,6 +196,21 @@ static jthrowable setup(JNIEnv *env, int *ofd, jobject jpath, int doConnect)
terror(ret), addr.sun_path);
goto done;
}
/* We need to make the socket readable and writable for all users in the
* system.
*
* If the system administrator doesn't want the socket to be accessible to
* all users, he can simply adjust the +x permissions on one of the socket's
* parent directories.
*
* See HDFS-4485 for more discussion.
*/
if (chmod(addr.sun_path, 0666)) {
ret = errno;
jthr = newException(env, "java/net/BindException",
"chmod(%s, 0666) failed: %s", addr.sun_path, terror(ret));
goto done;
}
if (listen(fd, LISTEN_BACKLOG) < 0) {
ret = errno;
jthr = newException(env, "java/net/BindException",

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@ -41,3 +41,5 @@ HDFS-4438. TestDomainSocket fails when system umask is set to 0002. (Colin Patri
HDFS-4440. Avoid annoying log message when dfs.domain.socket.path is not set. (Colin Patrick McCabe via atm)
HDFS-4473. Don't create domain socket unless we need it. (Colin Patrick McCabe via atm)
HDFS-4485. DN should chmod socket path a+w. (Colin Patrick McCabe via atm)