compositor: check if seteuid worked
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>
diff --git a/src/compositor.c b/src/compositor.c
index f619f82..a2c8725 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -247,8 +247,11 @@
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. */