From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 22 Dec 2004 20:10:10 +0000
Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

---
 nis/nss-nis.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 86 insertions(+), 1 deletion(-)

(limited to 'nis/nss-nis.c')

diff --git a/nis/nss-nis.c b/nis/nss-nis.c
index cff1e765bb..40370bae3b 100644
--- a/nis/nss-nis.c
+++ b/nis/nss-nis.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 2001, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 2001, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -16,6 +16,13 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <ctype.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <stdlib.h>
+#include <string.h>
+#include <rpcsvc/ypclnt.h>
+
 #include "nss-nis.h"
 #include "nsswitch.h"
 
@@ -43,3 +50,81 @@ const enum nss_status __yperr2nss_tab[] =
 };
 const unsigned int __yperr2nss_count = (sizeof (__yperr2nss_tab)
 				        / sizeof (__yperr2nss_tab[0]));
+
+int _nis_default_nss_flags;
+
+static const char default_nss[] = "/etc/default/nss";
+
+int
+_nis_check_default_nss (void)
+{
+  FILE *fp = fopen (default_nss, "rc");
+  int flags = NSS_FLAG_SET;
+  if (fp != NULL)
+    {
+      char *line = NULL;
+      size_t linelen = 0;
+
+      __fsetlocking (fp, FSETLOCKING_BYCALLER);
+
+      while (!feof_unlocked (fp))
+	{
+	  ssize_t n = getline (&line, &linelen, fp);
+	  if (n <= 0)
+	    break;
+
+	  /* There currently are only two variables we expect, so
+	     simplify the parsing.  Recognize only
+
+	       NETID_AUTHORITATIVE = TRUE
+	       SERVICES_AUTHORITATIVE = TRUE
+
+	     with arbitrary white spaces.  */
+	  char *cp = line;
+	  while (isspace (*cp))
+	    ++cp;
+
+	  /* Recognize comment lines.  */
+	  if (*cp == '#')
+	    continue;
+
+	  static const char netid_authoritative[] = "NETID_AUTHORITATIVE";
+	  static const char services_authoritative[]
+	    = "SERVICES_AUTHORITATIVE";
+	  size_t flag_len;
+	  if (strncmp (cp, netid_authoritative,
+		       flag_len = sizeof (netid_authoritative) - 1) != 0
+	      && strncmp (cp, services_authoritative,
+			  flag_len = sizeof (services_authoritative) - 1)
+		 != 0)
+	    continue;
+
+	  cp += flag_len;
+	  while (isspace (*cp))
+	    ++cp;
+	  if (*cp++ != '=')
+	    continue;
+	  while (isspace (*cp))
+	    ++cp;
+
+	  if (strncmp (cp, "TRUE", 4) != 0)
+	    continue;
+	  cp += 4;
+
+	  while (isspace (*cp))
+	    ++cp;
+
+	  if (*cp == '\0')
+	    flags |= flag_len == sizeof (netid_authoritative) - 1
+		     ? NSS_FLAG_NETID_AUTHORITATIVE
+		     : NSS_FLAG_SERVICES_AUTHORITATIVE;
+	}
+
+      free (line);
+
+      fclose (fp);
+    }
+
+  _nis_default_nss_flags = flags;
+  return flags;
+}
-- 
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