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-rw-r--r--usr.sbin/traceroute6/traceroute6.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/usr.sbin/traceroute6/traceroute6.c b/usr.sbin/traceroute6/traceroute6.c
index a854bde..b304f14 100644
--- a/usr.sbin/traceroute6/traceroute6.c
+++ b/usr.sbin/traceroute6/traceroute6.c
@@ -373,6 +373,7 @@ main(argc, argv)
u_long probe, hops, lport;
struct hostent *hp;
size_t size;
+ uid_t uid;
/*
* Receive ICMP
@@ -383,8 +384,11 @@ main(argc, argv)
}
/* revoke privs */
- seteuid(getuid());
- setuid(getuid());
+ uid = getuid();
+ if (setresuid(uid, uid, uid) == -1) {
+ perror("setresuid");
+ exit(1);
+ }
size = sizeof(i);
(void) sysctl(mib, sizeof(mib)/sizeof(mib[0]), &i, &size, NULL, 0);
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