fix types used in SOCKS4/5 support code

the line

    len = buff[0]; /* max = 255 */

could lead to a negative length if the value in buff[0] is > 127.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/reqs.c b/src/reqs.c
index a3d8162..86039bc 100644
--- a/src/reqs.c
+++ b/src/reqs.c
@@ -1270,8 +1270,8 @@ static void relay_connection (struct conn_s *connptr)
 static int
 connect_to_upstream_proxy(struct conn_s *connptr, struct request_s *request)
 {
-	int len;
-	char buff[512]; /* won't use more than 7 + 255 */
+	unsigned len;
+	unsigned char buff[512]; /* won't use more than 7 + 255 */
 	unsigned short port;
 	struct hostent *host;
 	struct upstream *cur_upstream = connptr->upstream_proxy;