From 98ecf06b4cce0bb7fc3664ee8de3c01859c52f7a Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Sun, 11 Aug 2013 15:24:47 +0200
Subject: [PATCH] core: Fix a possible buffer overflow using getself_name().

If the passed buffer is smaller than MAX_NAME_LENGTH then, you
will probably overflow it.
---
 chat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chat.c b/chat.c
index 112b20b..59b1349 100644
--- a/chat.c
+++ b/chat.c
@@ -210,7 +210,7 @@ void execute(ToxWindow *self, ChatContext *ctx, Messenger *m, char *cmd, struct
     wattroff(ctx->history, COLOR_PAIR(2));
 
     uint8_t selfname[MAX_NAME_LENGTH];
-    int len = getself_name(m, selfname);
+    int len = getself_name(m, selfname, sizeof(selfname));
     char msg[MAX_STR_SIZE-len-4];
     snprintf(msg, sizeof(msg), "* %s %s\n", (uint8_t*) selfname, action);