pjht/swaylock
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Check setgid too after dropping root

Browse Source
This commit is contained in:
Sertonix 2024-01-16 12:40:32 +00:00 committed by Simon Ser
parent bb32fd1d50
commit b63aaffcd1
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
shadow.c
View File

@ -33,9 +33,9 @@ void initialize_pw_backend(int argc, char **argv) {
swaylock_log_errno(LOG_ERROR, "Unable to drop root");
exit(EXIT_FAILURE);
}
if (setuid(0) != -1) {
if (setuid(0) != -1 || setgid(0) != -1) {
swaylock_log_errno(LOG_ERROR, "Unable to drop root (we shouldn't be "
"able to restore it after setuid)");
"able to restore it after setuid/setgid)");
exit(EXIT_FAILURE);
}
}