warp-vpn

commit 29de791e9e2b2e58afec332578928e31590b69f1
parent 376b9d90d05fbf5a4fc54bd624c921bffc437665
Author: sin <sin@2f30.org>
Date:   Wed, 22 Mar 2017 14:12:59 +0000

Die if packet size is larger than the maximum packet size allowed

This should be an impossible condition.

Diffstat:
M
netpkt.c
 | 
12
++++--------

1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/netpkt.c b/netpkt.c
@@ -49,10 +49,8 @@ netwrite(int fd, unsigned char *pt, unsigned long long ptlen,
 	unsigned long long buflen = noncelen + HDRLEN + ptlen + taglen;
 	int n, total = 0;
 
-	if (buflen > maxbuflen) {
-		logwarnx("packet is too large");
-		return PKTFAILED;
-	}
+	if (buflen > maxbuflen)
+		fatalx("packet is too large");
 
 	arc4random_buf(wbuf, noncelen);
 	pack16(&wbuf[noncelen], ptlen);
@@ -85,10 +83,8 @@ netread(int fd, unsigned char *pt, unsigned long long ptlen,
 	unsigned long long buflen = noncelen + HDRLEN + ptlen + taglen;
 	int n, ctlen;
 
-	if (buflen > maxbuflen) {
-		logwarnx("packet is too large");
-		return PKTFAILED;
-	}
+	if (buflen > maxbuflen)
+		fatalx("packet is too large");
 
 	for (;;) {
 		switch (rxstate) {