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compositor: check if seteuid worked

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Checking the return value from seteuid in
order to not launch clients with the wrong effective uid.

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
This commit is contained in:
Alexandru DAMIAN 2013-09-25 14:47:47 +01:00 committed by Kristian Høgsberg
parent c3ea26c02d
commit 840a421a5e
1 changed files with 5 additions and 2 deletions
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7
src/compositor.c
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@ -247,8 +247,11 @@ child_client_exec(int sockfd, const char *path)
sigfillset(&allsigs);
sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
/* Launch clients as the user. */
seteuid(getuid());
/* Launch clients as the user. Do not lauch clients with wrong euid.*/
if (seteuid(getuid()) == -1) {
weston_log("compositor: failed seteuid\n");
return;
}
/* SOCK_CLOEXEC closes both ends, so we dup the fd to get a
* non-CLOEXEC fd to pass through exec. */