From 65930413f4b0350dece7615136c3e2b83edeaf1a Mon Sep 17 00:00:00 2001
From: Luke Leighton <lkcl@samba.org>
Date: Fri, 16 Jul 1999 22:07:37 +0000
Subject: check to see if copy_passwd_struct() ever receives its own internal
 buffer as an argument :-) :-) (This used to be commit
 0d1f5e5a6d1cbceda3be3d5626842116e6e91809)

---
 source3/lib/system.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'source3/lib')

diff --git a/source3/lib/system.c b/source3/lib/system.c
index 0bd1fea140..5a5f853bda 100644
--- a/source3/lib/system.c
+++ b/source3/lib/system.c
@@ -557,6 +557,13 @@ struct passwd *copy_passwd_struct(struct passwd *pass)
 		return NULL;
 	}
 
+	if (pass == &pw_ret)
+	{
+		/* catch silly error where buffer was already copied */
+		DEBUG(0,("copy_passwd_struct: can't copy internal buffer!\n"));
+		return NULL;
+	}
+
 	memcpy((char *)&pw_ret, pass, sizeof(struct passwd));
 
 	if (pass->pw_name)
-- 
cgit