stun

commit 89e9737ae3c83768237e160f9b753f107f3192f0
parent 9d5a89800621d7a196ac710ae7332d340fc9e99c
Author: sin <sin@2f30.org>
Date:   Thu, 31 Mar 2016 17:43:04 +0100

add timeout for challenge response

Diffstat:
M
stun.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/stun.c b/stun.c
@@ -535,10 +535,12 @@ challenge(int netfd)
 	for (;;) {
 		pfd[0].fd = netfd;
 		pfd[0].events = POLLIN;
-		ret = poll(pfd, 1, -1);
+		ret = poll(pfd, 1, RCVTIMEO);
 		if (ret < 0) {
 			logwarn("poll failed");
 			return -1;
+		} else if (ret == 0) {
+			return -1;
 		}
 
 		if (pfd[0].revents & (POLLERR | POLLNVAL))