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| author | Hyeonsik Song <blogcin@naver.com> | 2018-07-05 10:45:37 +0900 |
|---|---|---|
| committer | Hans Dedecker <dedeckeh@gmail.com> | 2018-07-05 11:40:43 +0200 |
| commit | c0f63905c74b3b0b168a9cf7903ebaec6564c24c (patch) | |
| tree | 391aa51417c84e5f54a57597e7d2fad5a54f7fe0 | |
| parent | 81a281e83d71c778ad1dab72721d07f0a129521d (diff) | |
odhcpd: Check if open the ioctl socket failed
Signed-off-by: Hyeonsik Song <blogcin@naver.com>
| -rw-r--r-- | src/odhcpd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/odhcpd.c b/src/odhcpd.c index 9ab849a..fe4dd73 100644 --- a/src/odhcpd.c +++ b/src/odhcpd.c @@ -91,6 +91,9 @@ int main(int argc, char **argv) ioctl_sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0); + if (ioctl_sock < 0) + return 4; + if ((urandom_fd = open("/dev/urandom", O_RDONLY | O_CLOEXEC)) < 0) return 4; |