diff options
Diffstat (limited to 'contrib/wrt/dhcp_release.c')
-rw-r--r-- | contrib/wrt/dhcp_release.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/contrib/wrt/dhcp_release.c b/contrib/wrt/dhcp_release.c index 53f47dd..a51f04b 100644 --- a/contrib/wrt/dhcp_release.c +++ b/contrib/wrt/dhcp_release.c @@ -277,6 +277,11 @@ int main(int argc, char **argv) exit(1); } + if (inet_addr(argv[2]) == INADDR_NONE) + { + perror("invalid ip address"); + exit(1); + } lease.s_addr = inet_addr(argv[2]); server = find_interface(lease, nl, if_nametoindex(argv[1])); |