| 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 |
| |
