diff options
Diffstat (limited to 'libxtables/xtables.c')
| -rw-r--r-- | libxtables/xtables.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libxtables/xtables.c b/libxtables/xtables.c index 9fff1e0d..b261e97b 100644 --- a/libxtables/xtables.c +++ b/libxtables/xtables.c @@ -245,6 +245,10 @@ static void dlreg_free(void) void xtables_init(void) { + /* xtables cannot be used with setuid in a safe way. */ + if (getuid() != geteuid()) + _exit(111); + xtables_libdir = getenv("XTABLES_LIBDIR"); if (xtables_libdir != NULL) return; |