usr/src/lib/libc/port/gen/getpwnam.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1988 AT&T */
  28 /*      All Rights Reserved     */
  29
  30 #pragma weak _getpwnam = getpwnam
  31 #pragma weak _getpwuid = getpwuid
  32
  33 #include "lint.h"
  34 #include <sys/types.h>
  35 #include <pwd.h>
  36 #include <nss_dbdefs.h>
  37 #include <stdio.h>
  38 #include "tsd.h"
  39
  40 void _nss_initf_passwd(nss_db_params_t *p);
  41 void _nss_XbyY_fgets(FILE *, nss_XbyY_args_t *);
  42 int str2passwd(const char *, int, void *, char *, int);
  43
  44 static struct passwd _pw_passwd;
  45 static char _pw_buf[NSS_BUFLEN_PASSWD];
  46 static DEFINE_NSS_DB_ROOT(db_root);
  47 static DEFINE_NSS_GETENT(context);
  48
  49 struct passwd *
  50 getpwuid(uid_t uid)
  51 {
  52         struct passwd *result;
  53         int ret;
  54         if ((ret = getpwuid_r(uid, &_pw_passwd, _pw_buf, sizeof (_pw_buf),
  55             &result)) != 0)
  56                 errno = ret;
  57         return (result);
  58 }
  59
  60 struct passwd *
  61 getpwnam(const char *nam)
  62 {
  63         struct passwd *result;
  64         int ret;
  65         if ((ret = getpwnam_r(nam, &_pw_passwd, _pw_buf, sizeof (_pw_buf),
  66             &result)) != 0)
  67                 errno = ret;
  68         return (result);
  69 }
  70
  71 struct passwd *
  72 getpwent(void)
  73 {
  74         nss_XbyY_args_t arg;
  75         NSS_XbyY_INIT(&arg, &_pw_passwd, _pw_buf, sizeof(_pw_buf), str2passwd);
  76         (void) nss_getent(&db_root, _nss_initf_passwd, &context, &arg);
  77         return (NSS_XbyY_FINI(&arg));
  78 }
  79
  80 struct passwd *
  81 fgetpwent(FILE *f)
  82 {
  83         nss_XbyY_args_t arg;
  84         NSS_XbyY_INIT(&arg, &_pw_passwd, _pw_buf, sizeof(_pw_buf), str2passwd);
  85         (void) _nss_XbyY_fgets(f, &arg);
  86         return (NSS_XbyY_FINI(&arg));
  87 }