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authorRob Landley <rob@landley.net>2006-07-15 23:00:46 +0000
committerRob Landley <rob@landley.net>2006-07-15 23:00:46 +0000
commitdf822f2606a5c56a8af5785d4e507aff2eeaaace (patch)
tree087cd0a58a163f3ea7819e59abecbd901227486a /libbb
parent1870737480b8beaa6c8834b916da7f73f4fb4807 (diff)
We need xsetuid() and xsetgid() because per-user process resource limits can
prevent a process from switching to a user that has too many processes, and when that happens WE'RE STILL ROOT. See http://lwn.net/Articles/190331/
Diffstat (limited to 'libbb')
-rw-r--r--libbb/xfuncs.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index bcd0751ee..d843414f9 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -282,3 +282,15 @@ char *itoa(int n)
return local_buf;
}
#endif
+
+#ifdef L_setuid
+void xsetgid(gid_t gid)
+{
+ if (setgid(gid)) bb_error_msg_and_die("setgid");
+}
+
+void xsetuid(uid_t uid)
+{
+ if (setuid(uid)) bb_error_msg_and_die("setuid");
+}
+#endif