From: Volker Lendecke <vl@samba.org>
Date: Sat, 23 Feb 2008 09:47:18 +0000 (+0100)
Subject: Check return value of dup(2)
X-Git-Tag: samba-3.2.0pre2~37^2~152
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d34701d49cf5b30f5b9963dab5643b4b62704413;p=thirdparty%2Fsamba.git

Check return value of dup(2)
---

diff --git a/source/lib/sock_exec.c b/source/lib/sock_exec.c
index 203d7e93b3f..278a174663a 100644
--- a/source/lib/sock_exec.c
+++ b/source/lib/sock_exec.c
@@ -105,8 +105,12 @@ int sock_exec(const char *prog)
 		close(fd[0]);
 		close(0);
 		close(1);
-		dup(fd[1]);
-		dup(fd[1]);
+		if (dup(fd[1]) == -1) {
+			exit(1);
+		}
+		if (dup(fd[1]) == -1) {
+			exit(1);
+		}
 		exit(system(prog));
 	}
 	close(fd[1]);