stun

commit 25ab42f0d2836737bbb3890e6dc9e5ba8b86b704
parent f05be7cab79ef6d8852f900826347bf34030ba22
Author: sin <sin@2f30.org>
Date:   Mon, 21 Mar 2016 11:25:15 +0000

some newlines

Diffstat:
M
stun.c
 | 
11
+++++++++--

1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/stun.c b/stun.c
@@ -350,14 +350,15 @@ serversetup(int tunfd)
 		               (socklen_t []){sizeof(remote)});
 		if (netfd < 0)
 			err(1, "accept");
+
 		setsockopt(netfd, IPPROTO_TCP, TCP_NODELAY, (int []){1}, sizeof(int));
-		if (debug)
-			printf("client connected\n");
+
 		ret = challenge(netfd);
 		if (ret < 0) {
 			close(netfd);
 			continue;
 		}
+
 		loop(netfd, tunfd);
 		close(netfd);
 	}
@@ -379,10 +380,13 @@ clientsetup(int tunfd)
 	ret = connect(netfd, (struct sockaddr *)&remote, sizeof(remote));
 	if (ret < 0)
 		err(1, "connect");
+
 	setsockopt(netfd, IPPROTO_TCP, TCP_NODELAY, (int []){1}, sizeof(int));
+
 	ret = response(netfd);
 	if (ret < 0)
 		errx(1, "failed to respond to challenge");
+
 	return loop(netfd, tunfd);
 }
 
@@ -421,13 +425,16 @@ main(int argc, char *argv[])
 
 	if (argc != 1 || (!sflag && !host))
 		usage();
+
 	tunfd = opentun(argv[0]);
+
 	pw = getenv("STUNPW");
 	if (!pw)
 		errx(1, "STUNPW is not set");
 	if (aesinit((unsigned char *)pw, strlen(pw), &enc, &dec) < 0)
 		errx(1, "couldn't initialize AES cipher");
 	explicit_bzero(pw, strlen(pw));
+
 	if (sflag)
 		return serversetup(tunfd);
 	ret = clientsetup(tunfd);