udhcpc: filter unwanted packets in kernel

(Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com>)
This commit is contained in:
Denis Vlasenko
2008-01-25 22:46:34 +00:00
parent 893988182a
commit b76b9a4328
5 changed files with 64 additions and 10 deletions

View File

@@ -155,12 +155,12 @@ static int init_sockets(char **client, int num_clients,
int i, n;
/* talk to real server on bootps */
fds[0] = listen_socket(/*INADDR_ANY,*/ 67, server);
fds[0] = listen_socket(/*INADDR_ANY,*/ SERVER_PORT, server);
n = fds[0];
for (i = 1; i < num_clients; i++) {
/* listen for clients on bootps */
fds[i] = listen_socket(/*INADDR_ANY,*/ 67, client[i-1]);
fds[i] = listen_socket(/*INADDR_ANY,*/ SERVER_PORT, client[i-1]);
if (fds[i] > n)
n = fds[i];
}
@@ -289,7 +289,7 @@ int dhcprelay_main(int argc, char **argv)
struct sockaddr_in server_addr;
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(67);
server_addr.sin_port = htons(SERVER_PORT);
if (argc == 4) {
if (!inet_aton(argv[3], &server_addr.sin_addr))
bb_perror_msg_and_die("didn't grok server");