From dbd5dfe1c642cc757dda1621495a2899cb6bbb46 Mon Sep 17 00:00:00 2001
From: Arthur de Jong <arthur@arthurdejong.org>
Date: Mon, 18 Feb 2013 17:07:52 +0000
Subject: check if the file descriptor can be stored in the select() file
 descriptor set (r1781 from 0.8, r1782 from 0.7)

git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd-0.7.15+squeeze@1926 ef36b2f9-881f-0410-afb5-c4e39611909c
---
 common/tio.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/common/tio.c b/common/tio.c
index 0914a4a..245b7c6 100644
--- a/common/tio.c
+++ b/common/tio.c
@@ -183,6 +183,11 @@ static int tio_select(TFILE *fp, int readfd, const struct timeval *deadline)
   while (1)
   {
     /* prepare our filedescriptorset */
+    if (fp->fd>=FD_SETSIZE)
+    {
+      errno=EBADFD;
+      return -1;
+    }
     FD_ZERO(&fdset);
     FD_SET(fp->fd,&fdset);
     /* figure out the time we need to wait */
@@ -390,6 +395,11 @@ static int tio_flush_nonblock(TFILE *fp)
   fd_set fdset;
   int rv;
   /* prepare our filedescriptorset */
+  if (fp->fd>=FD_SETSIZE)
+  {
+    errno=EBADFD;
+    return -1;
+  }
   FD_ZERO(&fdset);
   FD_SET(fp->fd,&fdset);
   /* set the timeout to 0 to poll */
-- 
cgit v1.2.3