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authorUlrich Drepper <drepper@redhat.com>2006-04-14 05:51:51 +0000
committerUlrich Drepper <drepper@redhat.com>2006-04-14 05:51:51 +0000
commit433f49c4020279045b53d5f352d48a66aed9a970 (patch)
treea546396ee13d45b0e79e3baacdf87cf6ea144094 /nis/nss-default.c
parent70e228a7b731ef7a45cd8e05cb1fe69c51e50fa8 (diff)
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* nis/Makefile (libnsl-routimes): Add nss-default.
	* nis/Versions (libnsl) [GLIBC_PRIVATE]: Export _nsl_default_nss.
	* nis/nss-nis.c: Move /etc/default/nss handling to...
	* nis/nss-default.c: ...here.  New file.
	* nis/libnsl.h: New file.
	* nis/nss-nis.h: Remove NSS_FLAG_* definitions and _nis_default_nss
	plus auxilary definitions.
	* nis/nss_nis/nis-initgroups.c: Use _nsl_default_nss instead of
	_nis_default_nss.
	* nis/nss_nis/nis-service.c: Likewise.

2006-04-07  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/fpu/bits/mathinline.h
	[__WORDSIZE == 64 || _ARCH_PWR4]: Define __CPU_HAS_FSQRT.
	(__ieee754_sqrt): Fix comment.
	(__ieee754_sqrtf): Fix comment.
	* sysdeps/powerpc/fpu/e_sqrt.c (__ieee754_sqrt): Fix comment.
	Check __CPU_HAS_FSQRT instead of dl_hwcap.
	* sysdeps/powerpc/fpu/e_sqrtf.c (__ieee754_sqrtf): Likewise.
Diffstat (limited to 'nis/nss-default.c')
-rw-r--r--nis/nss-default.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/nis/nss-default.c b/nis/nss-default.c
new file mode 100644
index 0000000000..3287e68b86
--- /dev/null
+++ b/nis/nss-default.c
@@ -0,0 +1,117 @@
+/* Copyright (C) 1996, 2001, 2004, 2006 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   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 <bits/libc-lock.h>
+
+#include <libnsl.h>
+
+
+/* Path of the file.  */
+static const char default_nss[] = "/etc/default/nss";
+
+/* Flags once read from the file.  */
+static int default_nss_flags;
+
+/* Code to make sure we call 'init' once.  */
+__libc_once_define (static, once);
+
+
+static void
+init (void)
+{
+  FILE *fp = fopen (default_nss, "rc");
+  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')
+	    default_nss_flags |= (flag_len == sizeof (netid_authoritative) - 1
+				  ? NSS_FLAG_NETID_AUTHORITATIVE
+				  : NSS_FLAG_SERVICES_AUTHORITATIVE);
+	}
+
+      free (line);
+
+      fclose (fp);
+    }
+}
+
+
+int
+_nsl_default_nss (void)
+{
+  /* If we have not yet read the file yet do it now.  */
+  __libc_once (once, init);
+
+  return default_nss_flags;
+}