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From d81a44625b04d487c895473aa77af13420b7afdd Mon Sep 17 00:00:00 2001
From: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
Date: Thu, 19 Jun 2014 17:25:49 +0900
Subject: [PATCH iputils] tftpd: Exit if setuid()/setgid() failed.
Signed-off-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
---
tftpd.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/tftpd.c b/tftpd.c
index 2a39ec4..e3af2f4 100644
--- a/tftpd.c
+++ b/tftpd.c
@@ -111,8 +111,14 @@ int main(int ac, char **av)
/* Sanity. If parent forgot to setuid() on us. */
if (geteuid() == 0) {
- setgid(65534);
- setuid(65534);
+ if (setgid(65534)) {
+ syslog(LOG_ERR, "setgid");
+ exit(1);
+ }
+ if (setuid(65534)) {
+ syslog(LOG_ERR, "setuid");
+ exit(1);
+ }
}
ac--; av++;
--
2.3.5
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