1 /* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
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. */
25 #include <netinet/in.h>
26 #include <arpa/inet.h>
27 #include <bits/libc-lock.h>
28 #include <rpcsvc/yp.h>
29 #include <rpcsvc/ypclnt.h>
33 /* Get the declaration of the parser function. */
34 #define ENTNAME netent
36 #include <nss/nss_files/files-parse.c>
38 __libc_lock_define_initialized (static, lock)
40 static bool_t new_start = 1;
41 static char *oldkey = NULL;
42 static int oldkeylen = 0;
45 _nss_nis_setnetent (void)
47 __libc_lock_lock (lock);
57 __libc_lock_unlock (lock);
59 return NSS_STATUS_SUCCESS;
63 _nss_nis_endnetent (void)
65 __libc_lock_lock (lock);
75 __libc_lock_unlock (lock);
77 return NSS_STATUS_SUCCESS;
80 static enum nss_status
81 internal_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen,
82 int *errnop, int *herrnop)
84 struct parser_data *data = (void *) buffer;
85 char *domain, *result, *outkey;
86 int len, keylen, parse_res;
88 if (yp_get_default_domain (&domain))
89 return NSS_STATUS_UNAVAIL;
91 /* Get the next entry until we found a correct one. */
94 enum nss_status retval;
98 retval = yperr2nss (yp_first (domain, "networks.byname",
99 &outkey, &keylen, &result, &len));
101 retval = yperr2nss ( yp_next (domain, "networks.byname",
103 &outkey, &keylen, &result, &len));
105 if (retval != NSS_STATUS_SUCCESS)
107 if (retval == NSS_STATUS_NOTFOUND)
109 else if (retval == NSS_STATUS_TRYAGAIN)
111 *herrnop = NETDB_INTERNAL;
117 if ((size_t) (len + 1) > buflen)
121 *herrnop = NETDB_INTERNAL;
122 return NSS_STATUS_TRYAGAIN;
125 p = strncpy (buffer, result, len);
131 parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop);
135 *herrnop = NETDB_INTERNAL;
137 return NSS_STATUS_TRYAGAIN;
147 return NSS_STATUS_SUCCESS;
151 _nss_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen,
152 int *errnop, int *herrnop)
154 enum nss_status status;
156 __libc_lock_lock (lock);
158 status = internal_nis_getnetent_r (net, buffer, buflen, errnop, herrnop);
160 __libc_lock_unlock (lock);
166 _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer,
167 size_t buflen, int *errnop, int *herrnop)
169 enum nss_status retval;
170 struct parser_data *data = (void *) buffer;
171 char *domain, *result, *p;
177 *herrnop = NETDB_INTERNAL;
178 return NSS_STATUS_UNAVAIL;
181 if (yp_get_default_domain (&domain))
182 return NSS_STATUS_UNAVAIL;
184 if (buflen < sizeof *data + 1)
186 *herrnop = NETDB_INTERNAL;
188 return NSS_STATUS_TRYAGAIN;
192 /* Convert name to lowercase. */
193 size_t namlen = strlen (name);
194 char name2[namlen + 1];
197 for (i = 0; i < namlen; ++i)
198 name2[i] = tolower (name[i]);
201 retval = yperr2nss (yp_match (domain, "networks.byname", name2,
202 namlen, &result, &len));
206 if (retval != NSS_STATUS_SUCCESS)
208 if (retval == NSS_STATUS_NOTFOUND)
210 else if (retval == NSS_STATUS_TRYAGAIN)
213 *herrnop = NETDB_INTERNAL;
218 if ((size_t) (len + 1) > buflen)
222 *herrnop = NETDB_INTERNAL;
223 return NSS_STATUS_TRYAGAIN;
226 p = strncpy (buffer, result, len);
232 parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop);
236 *herrnop = NETDB_INTERNAL;
238 return NSS_STATUS_TRYAGAIN;
242 return NSS_STATUS_NOTFOUND;
246 return NSS_STATUS_SUCCESS;
250 _nss_nis_getnetbyaddr_r (unsigned long addr, int type, struct netent *net,
251 char *buffer, size_t buflen, int *errnop,
254 struct parser_data *data = (void *) buffer;
263 if (yp_get_default_domain (&domain))
264 return NSS_STATUS_UNAVAIL;
266 in = inet_makeaddr (addr, 0);
267 strcpy (buf, inet_ntoa (in));
272 enum nss_status retval;
275 retval = yperr2nss (yp_match (domain, "networks.byaddr", buf,
276 strlen (buf), &result, &len));
278 if (retval != NSS_STATUS_SUCCESS)
280 if (retval == NSS_STATUS_NOTFOUND)
282 if (buf[blen - 2] == '.' && buf[blen - 1] == '0')
284 /* Try again, but with trailing dot(s)
285 removed (one by one) */
286 buf[blen - 2] = '\0';
293 return NSS_STATUS_NOTFOUND;
298 if (retval == NSS_STATUS_TRYAGAIN)
304 if ((size_t) (len + 1) > buflen)
308 *herrnop = NETDB_INTERNAL;
309 return NSS_STATUS_TRYAGAIN;
312 p = strncpy (buffer, result, len);
318 parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop);
322 *herrnop = NETDB_INTERNAL;
324 return NSS_STATUS_TRYAGAIN;
328 return NSS_STATUS_NOTFOUND;
332 return NSS_STATUS_SUCCESS;