1 /* Copyright (C) 1996-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@suse.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 Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the 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 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
24 #include <libc-lock.h>
25 #include <rpcsvc/yp.h>
26 #include <rpcsvc/ypclnt.h>
30 /* Get the declaration of the parser function. */
31 #define ENTNAME protoent
33 #include <nss/nss_files/files-parse.c>
35 __libc_lock_define_initialized (static, lock)
39 struct response *next;
43 static struct response *start;
44 static struct response *next;
47 saveit (int instatus, char *inkey, int inkeylen, char *inval,
48 int invallen, char *indata)
50 if (instatus != YP_TRUE)
53 if (inkey && inkeylen > 0 && inval && invallen > 0)
55 struct response *newp = malloc (sizeof (struct response) + invallen + 1);
57 return 1; /* We have no error code for out of memory */
66 *((char *) mempcpy (newp->val, inval, invallen)) = '\0';
73 internal_nis_endprotoent (void)
83 static enum nss_status
84 internal_nis_setprotoent (void)
87 struct ypall_callback ypcb;
88 enum nss_status status;
90 yp_get_default_domain (&domainname);
92 internal_nis_endprotoent ();
94 ypcb.foreach = saveit;
96 status = yperr2nss (yp_all (domainname, "protocols.bynumber", &ypcb));
103 _nss_nis_setprotoent (int stayopen)
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 internal_nis_endprotoent ();
124 __libc_lock_unlock (lock);
126 return NSS_STATUS_SUCCESS;
129 static enum nss_status
130 internal_nis_getprotoent_r (struct protoent *proto,
131 char *buffer, size_t buflen, int *errnop)
133 struct parser_data *data = (void *) buffer;
137 internal_nis_setprotoent ();
139 /* Get the next entry until we found a correct one. */
145 return NSS_STATUS_NOTFOUND;
147 p = strncpy (buffer, next->val, buflen);
152 parse_res = _nss_files_parse_protoent (p, proto, data, buflen, errnop);
154 return NSS_STATUS_TRYAGAIN;
159 return NSS_STATUS_SUCCESS;
163 _nss_nis_getprotoent_r (struct protoent *proto, char *buffer, size_t buflen,
166 enum nss_status status;
168 __libc_lock_lock (lock);
170 status = internal_nis_getprotoent_r (proto, buffer, buflen, errnop);
172 __libc_lock_unlock (lock);
178 _nss_nis_getprotobyname_r (const char *name, struct protoent *proto,
179 char *buffer, size_t buflen, int *errnop)
184 return NSS_STATUS_UNAVAIL;
188 if (__glibc_unlikely (yp_get_default_domain (&domain)))
189 return NSS_STATUS_UNAVAIL;
193 int yperr = yp_match (domain, "protocols.byname", name, strlen (name),
196 if (__glibc_unlikely (yperr != YPERR_SUCCESS))
198 enum nss_status retval = yperr2nss (yperr);
200 if (retval == NSS_STATUS_TRYAGAIN)
205 if (__glibc_unlikely ((size_t) (len + 1) > buflen))
209 return NSS_STATUS_TRYAGAIN;
212 char *p = strncpy (buffer, result, len);
218 int parse_res = _nss_files_parse_protoent (p, proto, (void *) buffer, buflen,
220 if (__glibc_unlikely (parse_res < 1))
223 return NSS_STATUS_TRYAGAIN;
225 return NSS_STATUS_NOTFOUND;
227 return NSS_STATUS_SUCCESS;
231 _nss_nis_getprotobynumber_r (int number, struct protoent *proto,
232 char *buffer, size_t buflen, int *errnop)
235 if (__glibc_unlikely (yp_get_default_domain (&domain)))
236 return NSS_STATUS_UNAVAIL;
239 int nlen = snprintf (buf, sizeof (buf), "%d", number);
243 int yperr = yp_match (domain, "protocols.bynumber", buf, nlen, &result,
246 if (__glibc_unlikely (yperr != YPERR_SUCCESS))
248 enum nss_status retval = yperr2nss (yperr);
250 if (retval == NSS_STATUS_TRYAGAIN)
255 if (__glibc_unlikely ((size_t) (len + 1) > buflen))
259 return NSS_STATUS_TRYAGAIN;
262 char *p = strncpy (buffer, result, len);
268 int parse_res = _nss_files_parse_protoent (p, proto, (void *) buffer, buflen,
270 if (__glibc_unlikely (parse_res < 1))
273 return NSS_STATUS_TRYAGAIN;
275 return NSS_STATUS_NOTFOUND;
277 return NSS_STATUS_SUCCESS;