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7d1de115db
1999-03-08 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * sysdeps/unix/sysv/linux/ttyname.c (ttyname): Undo last change. /dev/pts status may change during runtime. 1999-03-08 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * sysdeps/unix/sysv/linux/ttyname_r.c (__ttyname_r): Undo last change. /dev/pts status can change during runtime. 1999-03-07 Thorsten Kukuk <kukuk@suse.de> * sunrpc/svc_tcp.c (readtcp): go into fatal error state if poll reports error. * nis/nss_nisplus/nisplus-parser.c: Avoid duplicate strlen calls, add some more sanity checks. * nis/nss_nisplus/nisplus-pwd.c: Include nisplus-parser.h for parser prototype. 1999-03-05 Thorsten Kukuk <kukuk@suse.de> * sunrpc/rpc/xdr.h: Add x_getint32/x_putint32 to xdr_ops, change XDR_GETINT32/XDR_PUTINT32 to sue new functions. * sunrpc/xdr_mem.c: Add xdrmem_getint32, xdrmem_putint32. * sunrpc/xdr_rec.c: Add xdrrec_getint32, xdrrec_putint32. * sunrpc/xdr_sizeof.c: Add x_putint32, add dummy function for x_getint32. * sunrpc/xdr_stdio.c: Add xdrstdio_getint32, xdrstdio_putint32. * nis/nis_print.c: Fix ctime argument for platforms where sizeof (time_t) != sizeof (int). 255. Patch by Bruno Haible <haible@ilog.fr> [PR libc/1010].
267 lines
5.8 KiB
C
267 lines
5.8 KiB
C
/* Copyright (C) 1997, 1999 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>, 1997.
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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 <errno.h>
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#include <pwd.h>
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#include <string.h>
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#include <bits/libc-lock.h>
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#include <rpcsvc/nis.h>
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#include "nss-nisplus.h"
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#include "nisplus-parser.h"
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__libc_lock_define_initialized (static, lock)
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static nis_result *result = NULL;
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static nis_name tablename_val = NULL;
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static u_long tablename_len = 0;
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static enum nss_status
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_nss_create_tablename (int *errnop)
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{
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if (tablename_val == NULL)
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{
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char buf [40 + strlen (nis_local_directory ())];
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char *p;
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p = __stpcpy (buf, "passwd.org_dir.");
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p = __stpcpy (p, nis_local_directory ());
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tablename_val = __strdup (buf);
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if (tablename_val == NULL)
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{
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*errnop = errno;
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return NSS_STATUS_TRYAGAIN;
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}
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tablename_len = strlen (tablename_val);
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}
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nisplus_setpwent (void)
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{
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enum nss_status status = NSS_STATUS_SUCCESS;
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int err;
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__libc_lock_lock (lock);
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if (result)
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nis_freeresult (result);
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result = NULL;
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if (tablename_val == NULL)
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status = _nss_create_tablename (&err);
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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_nisplus_endpwent (void)
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{
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__libc_lock_lock (lock);
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if (result)
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nis_freeresult (result);
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result = NULL;
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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_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen,
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int *errnop)
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{
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int parse_res;
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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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nis_result *saved_res;
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if (result == NULL)
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{
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saved_res = NULL;
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if (tablename_val == NULL)
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{
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enum nss_status status = _nss_create_tablename (errnop);
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if (status != NSS_STATUS_SUCCESS)
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return status;
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}
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result = nis_first_entry (tablename_val);
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if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
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return niserr2nss (result->status);
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}
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else
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{
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nis_result *res;
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saved_res = result;
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res = nis_next_entry (tablename_val, &result->cookie);
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result = res;
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if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
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{
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nis_freeresult (saved_res);
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return niserr2nss (result->status);
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}
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}
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parse_res = _nss_nisplus_parse_pwent (result, pw, buffer,
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buflen, errnop);
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if (parse_res == -1)
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{
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nis_freeresult (result);
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result = saved_res;
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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else
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{
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if (saved_res)
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nis_freeresult (saved_res);
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}
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} while (!parse_res);
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nisplus_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_nisplus_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_nisplus_getpwnam_r (const char *name, struct passwd *pw,
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char *buffer, size_t buflen, int *errnop)
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{
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int parse_res;
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if (tablename_val == NULL)
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{
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enum nss_status status = _nss_create_tablename (errnop);
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if (status != NSS_STATUS_SUCCESS)
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return status;
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}
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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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else
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{
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nis_result *result;
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char buf[strlen (name) + 24 + tablename_len];
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sprintf (buf, "[name=%s],%s", name, tablename_val);
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result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
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if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
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{
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enum nss_status status = niserr2nss (result->status);
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nis_freeresult (result);
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return status;
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}
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parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen,
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errnop);
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nis_freeresult (result);
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if (parse_res < 1)
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{
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if (parse_res == -1)
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{
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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else
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return NSS_STATUS_NOTFOUND;
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}
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return NSS_STATUS_SUCCESS;
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}
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}
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enum nss_status
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_nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
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char *buffer, size_t buflen, int *errnop)
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{
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if (tablename_val == NULL)
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{
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enum nss_status status = _nss_create_tablename (errnop);
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if (status != NSS_STATUS_SUCCESS)
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return status;
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}
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{
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int parse_res;
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nis_result *result;
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char buf[100 + tablename_len];
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sprintf (buf, "[uid=%d],%s", uid, tablename_val);
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result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
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if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
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{
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enum nss_status status = niserr2nss (result->status);
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nis_freeresult (result);
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return status;
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}
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parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
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nis_freeresult (result);
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if (parse_res < 1)
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{
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if (parse_res == -1)
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{
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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else
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return NSS_STATUS_NOTFOUND;
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}
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return NSS_STATUS_SUCCESS;
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}
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}
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