From: mdw <mdw>
Date: Fri, 19 Jun 1998 13:48:16 +0000 (+0000)
Subject: Set close-on-exec flag for UDP socket.
X-Git-Tag: 1.3.3~18
X-Git-Url: https://git.distorted.org.uk/~mdw/become/commitdiff_plain/9739ca832c87254be70ab15dae461a2540f4a835

Set close-on-exec flag for UDP socket.
---

diff --git a/src/check.c b/src/check.c
index f0a98b7..bc86de8 100644
--- a/src/check.c
+++ b/src/check.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: check.c,v 1.8 1998/06/18 15:10:44 mdw Exp $
+ * $Id: check.c,v 1.9 1998/06/19 13:48:16 mdw Exp $
  *
  * Check validity of requests
  *
@@ -29,6 +29,9 @@
 /*----- Revision history --------------------------------------------------*
  *
  * $Log: check.c,v $
+ * Revision 1.9  1998/06/19 13:48:16  mdw
+ * Set close-on-exec flag for UDP socket.
+ *
  * Revision 1.8  1998/06/18 15:10:44  mdw
  * SECURITY HOLE: the file descriptor for the secret key was left open and
  * inherited by the target process.  This is now fixed.  Also set
@@ -196,6 +199,8 @@ static int check__ask(request *rq, struct sockaddr_in *serv, size_t n_serv)
 
     if ((fd = socket(PF_INET, SOCK_DGRAM, 0)) < 0)
       die("couldn't create socket: %s", strerror(errno));
+    if (fcntl(fd, F_SETFD, 1) < 0)
+      die("couldn't set close-on-exec flag for socket: %s", strerror(errno));
 
     /* --- Bind myself to some address --- */