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1998-01-24 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/Makefile: Distribute nis_cache2.h, add nis cache functions to routines. * nis/nis_cache.c: New. * nis/nis_cache2.h: New. * nis/nis_cache2_xdr.c: New. * nis/nis_call.c: Changes for cache2_info parameter. * nis/nis_checkpoint.c: Likewise. * nis/nis_intern.h: Likewise. * nis/nis_mkdir.c: Likewise. * nis/nis_ping.c: Likewise. * nis/nis_rmdir.c: Likewise. * nis/nis_server.c: Likewise. * nis/nis_util.c: Likewise. 1997-12-30 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_nisplus/nisplus-alias.c: Fix bogus if case and return/errnop codes. * nis/nss_nisplus/nisplus-ethers.c: Likewise. * nis/nss_nisplus/nisplus-grp.c: Likewise. * nis/nss_nisplus/nisplus-hosts.c: Likewise. * nis/nss_nisplus/nisplus-proto.c: Likewise. * nis/nss_nisplus/nisplus-publickey.c: Likewise. * nis/nss_nisplus/nisplus-pwd.c: Likewise. * nis/nss_nisplus/nisplus-rpc.c: Likewise * nis/nss_nisplus/nisplus-service.c: Likewise. * nis/nss_nisplus/nisplus-spwd.c: Likewise. 1997-12-28 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_nis/nis-alias.c: Use errnop, not __set_errno(). * nis/nss_nis/nis-ethers.c: Likewise. * nis/nss_nis/nis-grp.c: Likewise. * nis/nss_nis/nis-hosts.c: Likewise. * nis/nss_nis/nis-network.c: Likewise. * nis/nss_nis/nis-proto.c: Likewise. * nis/nss_nis/nis-hosts.c: Likewise. * nis/nss_nis/nis-network.c: Likewise. * nis/nss_nis/nis-proto.c: Likewise. * nis/nss_nis/nis-publickey.c: Likewise. * nis/nss_nis/nis-pwd.c: Likewise. * nis/nss_nis/nis-rpc.c: Likewise. * nis/nss_nis/nis-service.c: Likewise. * nis/nss_nis/nis-spwd.c: Likewise.
260 lines
5.9 KiB
C
260 lines
5.9 KiB
C
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <nss.h>
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#include <pwd.h>
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#include <ctype.h>
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#include <errno.h>
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#include <string.h>
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#include <bits/libc-lock.h>
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#include <rpcsvc/yp.h>
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#include <rpcsvc/ypclnt.h>
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#include "nss-nis.h"
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/* Get the declaration of the parser function. */
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#define ENTNAME pwent
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#define STRUCTURE passwd
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#define EXTERN_PARSER
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#include <nss/nss_files/files-parse.c>
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/* Protect global state against multiple changers */
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__libc_lock_define_initialized (static, lock)
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static bool_t new_start = 1;
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static char *oldkey = NULL;
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static int oldkeylen = 0;
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enum nss_status
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_nss_nis_setpwent (void)
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{
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__libc_lock_lock (lock);
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new_start = 1;
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if (oldkey != NULL)
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{
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free (oldkey);
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oldkey = NULL;
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oldkeylen = 0;
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}
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__libc_lock_unlock (lock);
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nis_endpwent (void)
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{
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__libc_lock_lock (lock);
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new_start = 1;
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if (oldkey != NULL)
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{
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free (oldkey);
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oldkey = NULL;
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oldkeylen = 0;
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}
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__libc_lock_unlock (lock);
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return NSS_STATUS_SUCCESS;
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}
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static enum nss_status
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internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
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int *errnop)
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{
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struct parser_data *data = (void *) buffer;
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char *domain, *result, *outkey;
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int len, keylen, parse_res;
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if (yp_get_default_domain (&domain))
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return NSS_STATUS_UNAVAIL;
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/* Get the next entry until we found a correct one. */
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do
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{
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enum nss_status retval;
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char *p;
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if (new_start)
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retval = yperr2nss (yp_first (domain, "passwd.byname",
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&outkey, &keylen, &result, &len));
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else
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retval = yperr2nss ( yp_next (domain, "passwd.byname",
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oldkey, oldkeylen,
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&outkey, &keylen, &result, &len));
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if (retval != NSS_STATUS_SUCCESS)
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{
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if (retval == NSS_STATUS_TRYAGAIN)
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*errnop = errno;
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return retval;
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}
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if ((size_t) (len + 1) > buflen)
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{
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free (result);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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p = strncpy (buffer, result, len);
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buffer[len] = '\0';
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while (isspace (*p))
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++p;
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free (result);
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parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
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if (parse_res == -1)
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{
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free (outkey);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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free (oldkey);
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oldkey = outkey;
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oldkeylen = keylen;
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new_start = 0;
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}
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while (parse_res < 1);
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nis_getpwent_r (struct passwd *result, char *buffer, size_t buflen,
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int *errnop)
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{
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int status;
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__libc_lock_lock (lock);
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status = internal_nis_getpwent_r (result, buffer, buflen, errnop);
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__libc_lock_unlock (lock);
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return status;
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}
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enum nss_status
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_nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
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char *buffer, size_t buflen, int *errnop)
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{
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struct parser_data *data = (void *) buffer;
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enum nss_status retval;
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char *domain, *result, *p;
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int len, parse_res;
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if (name == NULL)
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{
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*errnop = EINVAL;
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return NSS_STATUS_UNAVAIL;
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}
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if (yp_get_default_domain (&domain))
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return NSS_STATUS_UNAVAIL;
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retval = yperr2nss (yp_match (domain, "passwd.byname", name,
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strlen (name), &result, &len));
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if (retval != NSS_STATUS_SUCCESS)
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{
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if (retval == NSS_STATUS_TRYAGAIN)
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*errnop = errno;
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return retval;
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}
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if ((size_t) (len + 1) > buflen)
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{
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free (result);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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p = strncpy (buffer, result, len);
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buffer[len] = '\0';
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while (isspace (*p))
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++p;
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free (result);
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parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
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if (parse_res < 1)
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{
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if (parse_res == -1)
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return NSS_STATUS_TRYAGAIN;
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else
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return NSS_STATUS_NOTFOUND;
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}
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else
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
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char *buffer, size_t buflen, int *errnop)
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{
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struct parser_data *data = (void *) buffer;
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enum nss_status retval;
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char *domain, *result, *p;
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int len, nlen, parse_res;
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char buf[32];
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if (yp_get_default_domain (&domain))
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return NSS_STATUS_UNAVAIL;
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nlen = sprintf (buf, "%d", uid);
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retval = yperr2nss (yp_match (domain, "passwd.byuid", buf,
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nlen, &result, &len));
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if (retval != NSS_STATUS_SUCCESS)
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{
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if (retval == NSS_STATUS_TRYAGAIN)
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*errnop = errno;
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return retval;
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}
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if ((size_t) (len + 1) > buflen)
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{
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free (result);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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p = strncpy (buffer, result, len);
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buffer[len] = '\0';
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while (isspace (*p))
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++p;
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free (result);
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parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
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if (parse_res < 1)
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{
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if (parse_res == -1)
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return NSS_STATUS_TRYAGAIN;
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else
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return NSS_STATUS_NOTFOUND;
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}
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else
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return NSS_STATUS_SUCCESS;
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}
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