1 /* Copyright (C) 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <bits/libc-lock.h>
29 /* Get the declaration of the parser function. */
31 #define STRUCTURE passwd
33 #include <nss/nss_files/files-parse.c>
35 /* Locks the static variables in this file. */
36 __libc_lock_define_initialized (static, lock);
38 static void *context = NULL;
40 static enum nss_status
41 internal_setpwent (void)
45 if (hesiod_init (&context) == -1)
46 return NSS_STATUS_UNAVAIL;
49 return NSS_STATUS_SUCCESS;
53 _nss_hesiod_setpwent (void)
55 enum nss_status status;
57 __libc_lock_lock (lock);
59 status = internal_setpwent ();
61 __libc_lock_unlock (lock);
67 _nss_hesiod_endpwent (void)
69 __libc_lock_lock (lock);
77 __libc_lock_unlock (lock);
79 return NSS_STATUS_SUCCESS;
82 static enum nss_status
83 lookup (const char *name, const char *type, struct passwd *pwd,
84 char *buffer, size_t buflen, int *errnop)
86 enum nss_status status;
87 struct parser_data *data = (void *) buffer;
93 status = internal_setpwent ();
94 if (status != NSS_STATUS_SUCCESS)
97 list = hesiod_resolve (context, name, type);
99 return errno == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL;
101 linebuflen = buffer + buflen - data->linebuffer;
102 len = strlen (*list) + 1;
103 if (linebuflen < len)
105 hesiod_free_list (context, list);
107 return NSS_STATUS_TRYAGAIN;
110 memcpy (data->linebuffer, *list, len);
111 hesiod_free_list (context, list);
113 parse_res = _nss_files_parse_pwent (buffer, pwd, data, buflen, errnop);
115 return parse_res == -1 ? NSS_STATUS_TRYAGAIN : NSS_STATUS_NOTFOUND;
117 return NSS_STATUS_SUCCESS;
121 _nss_hesiod_getpwnam_r (const char *name, struct passwd *pwd,
122 char *buffer, size_t buflen, int *errnop)
124 enum nss_status status;
126 __libc_lock_lock (lock);
128 status = lookup (name, "passwd", pwd, buffer, buflen, errnop);
130 __libc_lock_unlock (lock);
136 _nss_hesiod_getpwuid_r (uid_t uid, struct passwd *pwd,
137 char *buffer, size_t buflen, int *errnop)
139 enum nss_status status = NSS_STATUS_UNAVAIL;
140 char uidstr[21]; /* We will probably never have a gid_t with more
143 snprintf (uidstr, sizeof uidstr, "%d", uid);
145 __libc_lock_lock (lock);
147 status = lookup (uidstr, "uid", pwd, buffer, buflen, errnop);
149 __libc_lock_unlock (lock);