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rpc: Retrieve peer PID via new getsockopt() for Mac

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While LOCAL_PEERCRED on the BSDs does not return the pid information of
the peer, Mac OS X 10.8 added LOCAL_PEERPID to retrieve the pid so we
should use that when its available to get that information.
This commit is contained in:
Doug Goldstein 2013-10-12 12:06:27 -05:00
parent 160a70fe4f
commit e24aec629d
1 changed files with 25 additions and 1 deletions
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26
src/rpc/virnetsocket.c
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@ -1197,12 +1197,36 @@ int virNetSocketGetUNIXIdentity(virNetSocketPtr sock,
goto cleanup;
}
/* PID and process creation time are not supported on BSDs */
/* PID and process creation time are not supported on BSDs by
* LOCAL_PEERCRED.
*/
*pid = -1;
*timestamp = -1;
*uid = cr.cr_uid;
*gid = cr.cr_gid;
# ifdef LOCAL_PEERPID
/* Exists on Mac OS X 10.8 for retrieving the peer's PID */
cr_len = sizeof(*pid);
if (getsockopt(sock->fd, VIR_SOL_PEERCRED, LOCAL_PEERPID, pid, &cr_len) < 0) {
/* Ensure this is set to something sane as there are no guarantees
* as to what its set to now.
*/
*pid = -1;
/* If this was built on a system with LOCAL_PEERPID defined but
* the kernel doesn't support it we'll get back EOPNOTSUPP so
* treat all errors but EOPNOTSUPP as fatal
*/
if (errno != EOPNOTSUPP) {
virReportSystemError(errno, "%s",
_("Failed to get client socket PID"));
goto cleanup;
}
}
# endif
ret = 0;
cleanup: