From 133bbb3c5e489f2f6eff711b0f8110ea47cb146f Mon Sep 17 00:00:00 2001
From: Stephen Gallagher <sgallagh@redhat.com>
Date: Jun 14 2010 20:54:29 +0000
Subject: Properly null-terminate socket path


https://fedorahosted.org/sssd/ticket/540

---

diff --git a/src/responder/common/responder_common.c b/src/responder/common/responder_common.c
index 54d6c49..231d828 100644
--- a/src/responder/common/responder_common.c
+++ b/src/responder/common/responder_common.c
@@ -467,7 +467,8 @@ static int set_unix_socket(struct resp_ctx *rctx)
 
         memset(&addr, 0, sizeof(addr));
         addr.sun_family = AF_UNIX;
-        strncpy(addr.sun_path, rctx->sock_name, sizeof(addr.sun_path));
+        strncpy(addr.sun_path, rctx->sock_name, sizeof(addr.sun_path)-1);
+        addr.sun_path[sizeof(addr.sun_path)-1] = '\0';
 
         /* make sure we have no old sockets around */
         unlink(rctx->sock_name);
@@ -504,7 +505,8 @@ static int set_unix_socket(struct resp_ctx *rctx)
 
         memset(&addr, 0, sizeof(addr));
         addr.sun_family = AF_UNIX;
-        strncpy(addr.sun_path, rctx->priv_sock_name, sizeof(addr.sun_path));
+        strncpy(addr.sun_path, rctx->priv_sock_name, sizeof(addr.sun_path)-1);
+        addr.sun_path[sizeof(addr.sun_path)-1] = '\0';
 
         unlink(rctx->priv_sock_name);