X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=c44c6d01ce998cee3a0fc4fe5213d34c492641f8;hp=8d4b03290b9ecda546bf461dbb8d12d2a705c0cf;hb=e810545dc2ae158745624c1575b76c55f883c892;hpb=02746165a21a4a495d0069526c9a2355110a5784;ds=sidebyside

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 8d4b0329..c44c6d01 100644
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -118,7 +118,7 @@ bool id_h(connection_t *c)
 
 bool send_metakey(connection_t *c)
 {
-	char buffer[MAX_STRING_SIZE];
+	char *buffer;
 	int len;
 	bool x;
 
@@ -128,6 +128,8 @@ bool send_metakey(connection_t *c)
 
 	/* Allocate buffers for the meta key */
 
+	buffer = alloca(2 * len + 1);
+	
 	if(!c->outkey)
 		c->outkey = xmalloc(len);
 
@@ -302,7 +304,7 @@ bool metakey_h(connection_t *c)
 
 bool send_challenge(connection_t *c)
 {
-	char buffer[MAX_STRING_SIZE];
+	char *buffer;
 	int len;
 
 	cp();
@@ -313,6 +315,8 @@ bool send_challenge(connection_t *c)
 
 	/* Allocate buffers for the challenge */
 
+	buffer = alloca(2 * len + 1);
+
 	if(!c->hischallenge)
 		c->hischallenge = xmalloc(len);