From: Saverio Proto <zioproto@gmail.com>
Date: Sat, 12 Apr 2014 18:21:58 +0000 (+0200)
Subject: Leave 14 bytes for legacy MTU probing
X-Git-Url: https://git.meshlink.io/?a=commitdiff_plain;h=28f92f84d5adb5b0b07abab7cb72c4eceb0ca1ec;p=meshlink

Leave 14 bytes for legacy MTU probing
---

diff --git a/src/libmeshlink.c b/src/libmeshlink.c
index 00eaa09c..67d945e0 100644
--- a/src/libmeshlink.c
+++ b/src/libmeshlink.c
@@ -565,7 +565,7 @@ bool tinc_send_packet(node_t *receiver, const char* buf, unsigned int len) {
 	vpn_packet_t packet;
 	tincpackethdr* hdr = malloc(sizeof(tincpackethdr));
 
-	if (sizeof(hdr) + len > MAXSIZE) {
+	if (14 + sizeof(hdr) + len > MAXSIZE) {
 
 	//log something
 	return false;
@@ -577,8 +577,9 @@ bool tinc_send_packet(node_t *receiver, const char* buf, unsigned int len) {
 	packet.priority = 0;
 	packet.len = sizeof(tincpackethdr) + len;
 
-	memcpy(packet.data,hdr,32);
-	memcpy(packet.data+32,buf,len);
+    memset(packet.data,1,14);
+    memcpy(packet.data+14,hdr,32);
+	memcpy(packet.data+32+14,buf,len);
 
         myself->in_packets++;
         myself->in_bytes += packet.len;