From 4eff3051a0d2d58c04e6f2ea7264a1e3b05caf9c Mon Sep 17 00:00:00 2001
From: Wayne Davison <wayned@samba.org>
Date: Thu, 16 Aug 2007 01:22:46 +0000
Subject: [PATCH] Fixed a null-pointer dereference pointed out by Olivier
 Thauvin.

---
 socket.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/socket.c b/socket.c
index 9017007c..51c07f72 100644
--- a/socket.c
+++ b/socket.c
@@ -300,7 +300,7 @@ int open_socket_out_wrapped(char *host, int port, const char *bind_addr,
 {
 	char *prog = getenv("RSYNC_CONNECT_PROG");
 
-	if (strchr(prog, '%')) {
+	if (prog && strchr(prog, '%')) {
 		int hlen = strlen(host);
 		int len = strlen(prog) + 1;
 		char *f, *t;
-- 
2.34.1