1 /* Copyright (C) 1996, 1997 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 <libc-lock.h>
26 #include <rpcsvc/yp.h>
27 #include <rpcsvc/ypclnt.h>
31 /* Get the declaration of the parser function. */
32 #define ENTNAME protoent
34 #include <nss/nss_files/files-parse.c>
36 __libc_lock_define_initialized (static, lock)
41 struct response *next;
44 static struct response *start = NULL;
45 static struct response *next = NULL;
48 saveit (int instatus, char *inkey, int inkeylen, char *inval,
49 int invallen, char *indata)
51 if (instatus != YP_TRUE)
54 if (inkey && inkeylen > 0 && inval && invallen > 0)
58 start = malloc (sizeof (struct response));
63 next->next = malloc (sizeof (struct response));
67 next->val = malloc (invallen + 1);
68 strncpy (next->val, inval, invallen);
69 next->val[invallen] = '\0';
76 internal_nis_setprotoent (void)
79 struct ypall_callback ypcb;
80 enum nss_status status;
82 yp_get_default_domain (&domainname);
86 if (start->val != NULL)
94 ypcb.foreach = saveit;
96 status = yperr2nss (yp_all (domainname, "protocols.bynumber", &ypcb));
103 _nss_nis_setprotoent (void)
105 enum nss_status status;
107 __libc_lock_lock (lock);
109 status = internal_nis_setprotoent ();
111 __libc_lock_unlock (lock);
117 _nss_nis_endprotoent (void)
119 __libc_lock_lock (lock);
121 while (start != NULL)
123 if (start->val != NULL)
132 __libc_lock_unlock (lock);
134 return NSS_STATUS_SUCCESS;
137 static enum nss_status
138 internal_nis_getprotoent_r (struct protoent *proto,
139 char *buffer, size_t buflen)
141 struct parser_data *data = (void *) buffer;
145 internal_nis_setprotoent ();
147 /* Get the next entry until we found a correct one. */
153 return NSS_STATUS_NOTFOUND;
154 p = strcpy (buffer, next->val);
160 parse_res = _nss_files_parse_protoent (p, proto, data, buflen);
161 if (!parse_res && errno == ERANGE)
162 return NSS_STATUS_TRYAGAIN;
166 return NSS_STATUS_SUCCESS;
170 _nss_nis_getprotoent_r (struct protoent *proto, char *buffer, size_t buflen)
172 enum nss_status status;
174 __libc_lock_lock (lock);
176 status = internal_nis_getprotoent_r (proto, buffer, buflen);
178 __libc_lock_unlock (lock);
184 _nss_nis_getprotobyname_r (const char *name, struct protoent *proto,
185 char *buffer, size_t buflen)
187 struct parser_data *data = (void *) buffer;
188 enum nss_status retval;
189 char *domain, *result, *p;
194 __set_errno (EINVAL);
195 return NSS_STATUS_UNAVAIL;
198 if (yp_get_default_domain (&domain))
199 return NSS_STATUS_UNAVAIL;
201 retval = yperr2nss (yp_match (domain, "protocols.byname", name,
202 strlen (name), &result, &len));
204 if (retval != NSS_STATUS_SUCCESS)
206 if (retval == NSS_STATUS_TRYAGAIN)
207 __set_errno (EAGAIN);
211 if ((size_t) (len + 1) > buflen)
214 __set_errno (ERANGE);
215 return NSS_STATUS_TRYAGAIN;
218 p = strncpy (buffer, result, len);
224 parse_res = _nss_files_parse_protoent (p, proto, data, buflen);
229 return NSS_STATUS_TRYAGAIN;
231 return NSS_STATUS_NOTFOUND;
234 return NSS_STATUS_SUCCESS;
238 _nss_nis_getprotobynumber_r (int number, struct protoent *proto,
239 char *buffer, size_t buflen)
241 struct parser_data *data = (void *) buffer;
242 enum nss_status retval;
243 char *domain, *result, *p;
244 int len, nlen, parse_res;
247 if (yp_get_default_domain (&domain))
248 return NSS_STATUS_UNAVAIL;
250 nlen = sprintf (buf, "%d", number);
252 retval = yperr2nss (yp_match (domain, "protocols.bynumber", buf,
253 nlen, &result, &len));
255 if (retval != NSS_STATUS_SUCCESS)
257 if (retval == NSS_STATUS_TRYAGAIN)
258 __set_errno (EAGAIN);
262 if ((size_t) (len + 1) > buflen)
265 __set_errno (ERANGE);
266 return NSS_STATUS_TRYAGAIN;
269 p = strncpy (buffer, result, len);
275 parse_res = _nss_files_parse_protoent (p, proto, data, buflen);
280 return NSS_STATUS_TRYAGAIN;
282 return NSS_STATUS_NOTFOUND;
285 return NSS_STATUS_SUCCESS;