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sourceware.org Git - glibc.git/blob - nis/nss_nis/nis-proto.c
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 <bits/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';
75 static enum nss_status
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
, int *errnop
)
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
= strncpy (buffer
, next
->val
, buflen
);
159 parse_res
= _nss_files_parse_protoent (p
, proto
, data
, buflen
, errnop
);
161 return NSS_STATUS_TRYAGAIN
;
166 return NSS_STATUS_SUCCESS
;
170 _nss_nis_getprotoent_r (struct protoent
*proto
, char *buffer
, size_t buflen
,
173 enum nss_status status
;
175 __libc_lock_lock (lock
);
177 status
= internal_nis_getprotoent_r (proto
, buffer
, buflen
, errnop
);
179 __libc_lock_unlock (lock
);
185 _nss_nis_getprotobyname_r (const char *name
, struct protoent
*proto
,
186 char *buffer
, size_t buflen
, int *errnop
)
188 struct parser_data
*data
= (void *) buffer
;
189 enum nss_status retval
;
190 char *domain
, *result
, *p
;
195 __set_errno (EINVAL
);
196 return NSS_STATUS_UNAVAIL
;
199 if (yp_get_default_domain (&domain
))
200 return NSS_STATUS_UNAVAIL
;
202 retval
= yperr2nss (yp_match (domain
, "protocols.byname", name
,
203 strlen (name
), &result
, &len
));
205 if (retval
!= NSS_STATUS_SUCCESS
)
207 if (retval
== NSS_STATUS_TRYAGAIN
)
212 if ((size_t) (len
+ 1) > buflen
)
216 return NSS_STATUS_TRYAGAIN
;
219 p
= strncpy (buffer
, result
, len
);
225 parse_res
= _nss_files_parse_protoent (p
, proto
, data
, buflen
, errnop
);
227 return NSS_STATUS_TRYAGAIN
;
230 return NSS_STATUS_SUCCESS
;
232 return NSS_STATUS_NOTFOUND
;
236 _nss_nis_getprotobynumber_r (int number
, struct protoent
*proto
,
237 char *buffer
, size_t buflen
, int *errnop
)
239 struct parser_data
*data
= (void *) buffer
;
240 enum nss_status retval
;
241 char *domain
, *result
, *p
;
242 int len
, nlen
, parse_res
;
245 if (yp_get_default_domain (&domain
))
246 return NSS_STATUS_UNAVAIL
;
248 nlen
= sprintf (buf
, "%d", number
);
250 retval
= yperr2nss (yp_match (domain
, "protocols.bynumber", buf
,
251 nlen
, &result
, &len
));
253 if (retval
!= NSS_STATUS_SUCCESS
)
255 if (retval
== NSS_STATUS_TRYAGAIN
)
260 if ((size_t) (len
+ 1) > buflen
)
264 return NSS_STATUS_TRYAGAIN
;
267 p
= strncpy (buffer
, result
, len
);
273 parse_res
= _nss_files_parse_protoent (p
, proto
, data
, buflen
, errnop
);
275 return NSS_STATUS_TRYAGAIN
;
278 return NSS_STATUS_SUCCESS
;
280 return NSS_STATUS_NOTFOUND
;
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