stun

commit a2ae33abf71547552e0ec89532d74e6ff024b0a9
parent 7cac10f93b137245c5f2728a811b04a0f9b07a01
Author: sin <sin@2f30.org>
Date:   Fri,  1 Apr 2016 12:22:03 +0100

properly name field

Diffstat:
M
stun.c
 | 
30
+++++++++++++++---------------

1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/stun.c b/stun.c
@@ -85,11 +85,11 @@
 #define NOPRIVUSER	"nobody"
 #define RCVTIMEO	250 /* in milliseconds */
 #define RECONNECTTIMEO	60  /* in seconds */
-#define MTU		1428
+#define MAXPAYLOADLEN	1428
 #define HDRLEN		2
 #define IVLEN		12
 #define TAGLEN		16
-#define MAXPKTLEN	(TAGLEN + IVLEN + HDRLEN + MTU)
+#define MAXPKTLEN	(TAGLEN + IVLEN + HDRLEN + MAXPAYLOADLEN)
 #define BADPKT		0x1000
 
 enum {
@@ -346,9 +346,9 @@ opendev(char *dev)
 	if (s < 0)
 		logerr("failed to create socket");
 	if (devtype == TUNDEV)
-		ifr.ifr_mtu = MTU;
+		ifr.ifr_mtu = MAXPAYLOADLEN;
 	else
-		ifr.ifr_mtu = MTU - 14; /* make some room for ethernet header */
+		ifr.ifr_mtu = MAXPAYLOADLEN - 14; /* make some room for ethernet header */
 	if (ioctl(s, SIOCSIFMTU, &ifr) < 0)
 		logerr("failed to set MTU on %s", dev);
 	close(s);
@@ -380,9 +380,9 @@ opendev(char *dev)
 	if (ioctl(fd, TUNGIFINFO, &ti) < 0)
 		logerr("failed to set TUNGIFINFO on %s", dev);
 	if (devtype == TUNDEV)
-		ti.mtu = MTU;
+		ti.mtu = MAXPAYLOADLEN;
 	else
-		ti.mtu = MTU - 14; /* make some room for ethernet header */
+		ti.mtu = MAXPAYLOADLEN - 14; /* make some room for ethernet header */
 	if (ioctl(fd, TUNSIFINFO, &ti) < 0)
 		logerr("failed to set TUNSIFINFO on %s", dev);
 	if (devtype == TUNDEV) {
@@ -445,7 +445,7 @@ readdev(int fd, unsigned char *buf, int len)
 int
 writenet(int fd, unsigned char *pt, int len)
 {
-	unsigned char ct[MTU];
+	unsigned char ct[MAXPAYLOADLEN];
 	unsigned char hdr[HDRLEN], iv[IVLEN], tag[TAGLEN];
 	unsigned char pkt[MAXPKTLEN];
 	int pktlen;
@@ -464,7 +464,7 @@ writenet(int fd, unsigned char *pt, int len)
 int
 readnet(int fd, unsigned char *pt, int len)
 {
-	unsigned char ct[MTU];
+	unsigned char ct[MAXPAYLOADLEN];
 	unsigned char hdr[HDRLEN], iv[IVLEN], tag[TAGLEN];
 	int n, ctlen;
 
@@ -488,8 +488,8 @@ readnet(int fd, unsigned char *pt, int len)
 	CHECKERR(n);
 
 	ctlen = unpack16(hdr);
-	if (ctlen > MTU)
-		ctlen = MTU;
+	if (ctlen > MAXPAYLOADLEN)
+		ctlen = MAXPAYLOADLEN;
 
 	n = readall(fd, ct, ctlen);
 	CHECKERR(n);
@@ -504,7 +504,7 @@ readnet(int fd, unsigned char *pt, int len)
 int
 challenge(int netfd)
 {
-	unsigned char buf[MTU];
+	unsigned char buf[MAXPAYLOADLEN];
 	struct pollfd pfd[1];
 	uint64_t n, reply;
 	int ret;
@@ -542,7 +542,7 @@ challenge(int netfd)
 int
 response(int netfd)
 {
-	unsigned char buf[MTU];
+	unsigned char buf[MAXPAYLOADLEN];
 	uint64_t reply;
 	int ret;
 
@@ -559,7 +559,7 @@ response(int netfd)
 int
 tunnel(int netfd, int devfd)
 {
-	unsigned char buf[MTU];
+	unsigned char buf[MAXPAYLOADLEN];
 	struct pollfd pfd[2];
 	int ret, n;
 
@@ -577,7 +577,7 @@ tunnel(int netfd, int devfd)
 			logerr("bad fd in poll set");
 
 		if (pfd[0].revents & (POLLIN | POLLHUP)) {
-			n = readnet(netfd, buf, MTU);
+			n = readnet(netfd, buf, MAXPAYLOADLEN);
 			if (n <= 0)
 				return -1;
 			if (n == BADPKT) {
@@ -588,7 +588,7 @@ tunnel(int netfd, int devfd)
 		}
 
 		if (pfd[1].revents & (POLLIN | POLLHUP)) {
-			n = readdev(devfd, buf, MTU);
+			n = readdev(devfd, buf, MAXPAYLOADLEN);
 			if (n > 0) {
 				n = writenet(netfd, buf, n);
 				if (n <= 0)