From: Andre Noll <maan@systemlinux.org>
Date: Tue, 11 May 2010 07:00:29 +0000 (+0200)
Subject: RC4: Allocate 8 extra bytes for send buffer.
X-Git-Tag: v0.4.3~23^2
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=7cb8fa26cfdcb3d34f8be2b86c48ffc6d7b9d84a;p=paraslash.git

RC4: Allocate 8 extra bytes for send buffer.

valgrind on Mac OS complains. Apparently openssl writes some bytes
more than the length of the output buffer.
---

diff --git a/crypt.c b/crypt.c
index b977a07a..b6a54604 100644
--- a/crypt.c
+++ b/crypt.c
@@ -220,7 +220,7 @@ int rc4_send_bin_buffer(struct rc4_context *rc4c, const char *buf, size_t len)
 	unsigned char *tmp;
 
 	assert(len);
-	tmp = para_malloc(len);
+	tmp = para_malloc(len + 8);
 	RC4(&rc4c->send_key, len, (const unsigned char *)buf, tmp);
 	ret = write_all(rc4c->fd, (char *)tmp, &len);
 	free(tmp);