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Check IP address command line arg in dhcp_release.c

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This commit is contained in:
Moshe Levi
2015-04-19 22:10:40 +01:00
committed by Simon Kelley
parent 554b580e97
commit a006eb7e14
1 changed files with 5 additions and 0 deletions
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5
contrib/wrt/dhcp_release.c
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@@ -277,6 +277,11 @@ int main(int argc, char **argv)
exit(1); exit(1);
} }
if (inet_addr(argv[2]) == INADDR_NONE)
{
perror("invalid ip address");
exit(1);
}
lease.s_addr = inet_addr(argv[2]); lease.s_addr = inet_addr(argv[2]);
server = find_interface(lease, nl, if_nametoindex(argv[1])); server = find_interface(lease, nl, if_nametoindex(argv[1]));