mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 04:50:07 +00:00
131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/* 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
|
|
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 <rpcsvc/ypclnt.h>
|
|
|
|
#include "nss-nis.h"
|
|
#include "nsswitch.h"
|
|
|
|
|
|
/* Convert YP error number to NSS error number. */
|
|
const enum nss_status __yperr2nss_tab[] =
|
|
{
|
|
[YPERR_SUCCESS] = NSS_STATUS_SUCCESS,
|
|
[YPERR_BADARGS] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_RPC] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_DOMAIN] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_MAP] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_KEY] = NSS_STATUS_NOTFOUND,
|
|
[YPERR_YPERR] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_RESRC] = NSS_STATUS_TRYAGAIN,
|
|
[YPERR_NOMORE] = NSS_STATUS_NOTFOUND,
|
|
[YPERR_PMAP] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_YPBIND] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_YPSERV] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_NODOM] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_BADDB] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_VERS] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_ACCESS] = NSS_STATUS_UNAVAIL,
|
|
[YPERR_BUSY] = NSS_STATUS_TRYAGAIN
|
|
};
|
|
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;
|
|
}
|