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b7080c8e
A
1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
2b484d24
A
6 * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.0 (the 'License'). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
b7080c8e
A
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2b484d24
A
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License."
b7080c8e
A
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24/* $OpenBSD: yplib_host.c,v 1.7 1997/06/23 01:11:12 deraadt Exp $ */
25
26/*
27 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
28 * All rights reserved.
29 *
30 * Redistribution and use in source and binary forms, with or without
31 * modification, are permitted provided that the following conditions
32 * are met:
33 * 1. Redistributions of source code must retain the above copyright
34 * notice, this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright
36 * notice, this list of conditions and the following disclaimer in the
37 * documentation and/or other materials provided with the distribution.
38 * 3. All advertising materials mentioning features or use of this software
39 * must display the following acknowledgement:
40 * This product includes software developed by Theo de Raadt.
41 * 4. The name of the author may not be used to endorse or promote products
42 * derived from this software without specific prior written permission.
43 *
44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
45 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
46 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
48 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 * SUCH DAMAGE.
55 */
56
57#ifndef LINT
58static char *rcsid = "$OpenBSD: yplib_host.c,v 1.7 1997/06/23 01:11:12 deraadt Exp $";
59#endif
60
61#include <sys/param.h>
62#include <sys/types.h>
63#include <sys/socket.h>
64#include <sys/file.h>
65#include <sys/uio.h>
66#include <errno.h>
67#include <stdio.h>
68#include <stdlib.h>
69#include <string.h>
70#include <netinet/in.h>
71#include <arpa/inet.h>
72#include <sys/socket.h>
73#include <netdb.h>
74#include <unistd.h>
75#include <rpc/rpc.h>
76#include <rpc/xdr.h>
77#include <rpcsvc/yp.h>
78#include <rpcsvc/ypclnt.h>
79
80extern bool_t xdr_domainname(), xdr_ypbind_resp();
81extern bool_t xdr_ypreq_key(), xdr_ypresp_val();
82extern bool_t xdr_ypreq_nokey(), xdr_ypresp_key_val();
83extern bool_t xdr_ypresp_all(), xdr_ypresp_all_seq();
84extern bool_t xdr_ypresp_master();
85
86extern int (*ypresp_allfn)();
87extern void *ypresp_data;
88
89int _yplib_host_timeout = 10;
90
91CLIENT *
92yp_bind_host(server,program,version,port,usetcp)
93char *server;
94u_long program,version;
95u_short port;
96int usetcp;
97{
98 struct sockaddr_in rsrv_sin;
99 int rsrv_sock;
100 struct hostent *h;
101 struct timeval tv;
102 static CLIENT *client;
103
104 memset(&rsrv_sin, 0, sizeof rsrv_sin);
105 rsrv_sin.sin_len = sizeof rsrv_sin;
106 rsrv_sin.sin_family = AF_INET;
107 rsrv_sock = RPC_ANYSOCK;
108 if (port != 0) {
109 rsrv_sin.sin_port = htons(port);
110 }
111
112 if ((*server >= '0') && (*server <= '9')) {
113 if(inet_aton(server,&rsrv_sin.sin_addr) == 0) {
114 fprintf(stderr, "inet_aton: invalid address %s.\n",
115 server);
116 exit(1);
117 }
118 } else {
119 h = gethostbyname(server);
120 if(h == NULL) {
121 fprintf(stderr, "gethostbyname: unknown host %s.\n",
122 server);
123 exit(1);
124 }
125 rsrv_sin.sin_addr.s_addr = *(u_int32_t *)h->h_addr;
126 }
127
128 tv.tv_sec = 10;
129 tv.tv_usec = 0;
130
131 if (usetcp) {
132 client = clnttcp_create(&rsrv_sin, program, version,
133 &rsrv_sock, 0, 0);
134 } else {
135 client = clntudp_create(&rsrv_sin, program, version, tv,
136 &rsrv_sock);
137 }
138
139 if (client == NULL) {
140 fprintf(stderr, "clntudp_create: no contact with host %s.\n",
141 server);
142 exit(1);
143 }
144
145 return(client);
146
147}
148
149CLIENT *
150yp_bind_local(program,version)
151u_long program,version;
152{
153 struct sockaddr_in rsrv_sin;
154 int rsrv_sock;
155 struct timeval tv;
156 static CLIENT *client;
157
158 memset(&rsrv_sin, 0, sizeof rsrv_sin);
159 rsrv_sin.sin_len = sizeof rsrv_sin;
160 rsrv_sin.sin_family = AF_INET;
161 rsrv_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
162 rsrv_sock = RPC_ANYSOCK;
163
164 tv.tv_sec = 10;
165 tv.tv_usec = 0;
166
167 client = clntudp_create(&rsrv_sin, program, version, tv, &rsrv_sock);
168 if (client == NULL) {
169 fprintf(stderr,"clntudp_create: no contact with localhost.\n");
170 exit(1);
171 }
172
173 return(client);
174
175}
176
177int
178yp_match_host(client, indomain, inmap, inkey, inkeylen, outval, outvallen)
179CLIENT *client;
180char *indomain;
181char *inmap;
182const char *inkey;
183int inkeylen;
184char **outval;
185int *outvallen;
186{
187 struct ypresp_val yprv;
188 struct timeval tv;
189 struct ypreq_key yprk;
190 int r;
191
192 *outval = NULL;
193 *outvallen = 0;
194
195 tv.tv_sec = _yplib_host_timeout;
196 tv.tv_usec = 0;
197
198 yprk.domain = indomain;
199 yprk.map = inmap;
200 yprk.key.keydat_val = (char *)inkey;
201 yprk.key.keydat_len = inkeylen;
202
203 memset(&yprv, 0, sizeof yprv);
204
205 r = clnt_call(client, YPPROC_MATCH,
206 xdr_ypreq_key, &yprk, xdr_ypresp_val, &yprv, tv);
207 if(r != RPC_SUCCESS) {
208 clnt_perror(client, "yp_match_host: clnt_call");
209 }
210 if( !(r=ypprot_err(yprv.stat)) ) {
211 *outvallen = yprv.val.valdat_len;
212 *outval = (char *)malloc(*outvallen+1);
213 memcpy(*outval, yprv.val.valdat_val, *outvallen);
214 (*outval)[*outvallen] = '\0';
215 }
216 xdr_free(xdr_ypresp_val, (char *)&yprv);
217 return r;
218}
219
220int
221yp_first_host(client, indomain, inmap, outkey, outkeylen, outval, outvallen)
222CLIENT *client;
223char *indomain;
224char *inmap;
225char **outkey;
226int *outkeylen;
227char **outval;
228int *outvallen;
229{
230 struct ypresp_key_val yprkv;
231 struct ypreq_nokey yprnk;
232 struct timeval tv;
233 int r;
234
235 *outkey = *outval = NULL;
236 *outkeylen = *outvallen = 0;
237
238 tv.tv_sec = _yplib_host_timeout;
239 tv.tv_usec = 0;
240
241 yprnk.domain = indomain;
242 yprnk.map = inmap;
243 memset(&yprkv, 0, sizeof yprkv);
244
245 r = clnt_call(client, YPPROC_FIRST,
246 xdr_ypreq_nokey, &yprnk, xdr_ypresp_key_val, &yprkv, tv);
247 if(r != RPC_SUCCESS) {
248 clnt_perror(client, "yp_first_host: clnt_call");
249 }
250 if( !(r=ypprot_err(yprkv.stat)) ) {
251 *outkeylen = yprkv.key.keydat_len;
252 *outkey = (char *)malloc(*outkeylen+1);
253 memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
254 (*outkey)[*outkeylen] = '\0';
255 *outvallen = yprkv.val.valdat_len;
256 *outval = (char *)malloc(*outvallen+1);
257 memcpy(*outval, yprkv.val.valdat_val, *outvallen);
258 (*outval)[*outvallen] = '\0';
259 }
260 xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
261 return r;
262}
263
264int
265yp_next_host(client, indomain, inmap, inkey, inkeylen, outkey, outkeylen, outval, outvallen)
266CLIENT *client;
267char *indomain;
268char *inmap;
269char *inkey;
270int inkeylen;
271char **outkey;
272int *outkeylen;
273char **outval;
274int *outvallen;
275{
276 struct ypresp_key_val yprkv;
277 struct ypreq_key yprk;
278 struct timeval tv;
279 int r;
280
281 *outkey = *outval = NULL;
282 *outkeylen = *outvallen = 0;
283
284 tv.tv_sec = _yplib_host_timeout;
285 tv.tv_usec = 0;
286
287 yprk.domain = indomain;
288 yprk.map = inmap;
289 yprk.key.keydat_val = inkey;
290 yprk.key.keydat_len = inkeylen;
291 memset(&yprkv, 0, sizeof yprkv);
292
293 r = clnt_call(client, YPPROC_NEXT,
294 xdr_ypreq_key, &yprk, xdr_ypresp_key_val, &yprkv, tv);
295 if(r != RPC_SUCCESS) {
296 clnt_perror(client, "yp_next_host: clnt_call");
297 }
298 if( !(r=ypprot_err(yprkv.stat)) ) {
299 *outkeylen = yprkv.key.keydat_len;
300 *outkey = (char *)malloc(*outkeylen+1);
301 memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
302 (*outkey)[*outkeylen] = '\0';
303 *outvallen = yprkv.val.valdat_len;
304 *outval = (char *)malloc(*outvallen+1);
305 memcpy(*outval, yprkv.val.valdat_val, *outvallen);
306 (*outval)[*outvallen] = '\0';
307 }
308 xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
309 return r;
310}
311
312int
313yp_all_host(client, indomain, inmap, incallback)
314CLIENT *client;
315char *indomain;
316char *inmap;
317struct ypall_callback *incallback;
318{
319 struct ypreq_nokey yprnk;
320 struct timeval tv;
321 u_long status;
322
323 tv.tv_sec = _yplib_host_timeout;
324 tv.tv_usec = 0;
325
326 yprnk.domain = indomain;
327 yprnk.map = inmap;
328 ypresp_allfn = incallback->foreach;
329 ypresp_data = (void *)incallback->data;
330
331 (void) clnt_call(client, YPPROC_ALL,
332 xdr_ypreq_nokey, &yprnk, xdr_ypresp_all_seq, &status, tv);
333 xdr_free(xdr_ypresp_all_seq, (char *)&status); /* not really needed... */
334
335 if(status != YP_FALSE)
336 return ypprot_err(status);
337 return 0;
338}
339
340int
341yp_order_host(client, indomain, inmap, outorder)
342CLIENT *client;
343char *indomain;
344char *inmap;
345u_int32_t *outorder;
346{
347 struct ypresp_order ypro;
348 struct ypreq_nokey yprnk;
349 struct timeval tv;
350 int r;
351
352 tv.tv_sec = _yplib_host_timeout;
353 tv.tv_usec = 0;
354
355 yprnk.domain = indomain;
356 yprnk.map = inmap;
357
358 memset(&ypro, 0, sizeof ypro);
359
360 r = clnt_call(client, YPPROC_ORDER,
361 xdr_ypreq_nokey, &yprnk, xdr_ypresp_order, &ypro, tv);
362 if(r != RPC_SUCCESS) {
363 clnt_perror(client, "yp_order_host: clnt_call");
364 }
365
366 *outorder = ypro.ordernum;
367 xdr_free(xdr_ypresp_order, (char *)&ypro);
368 return ypprot_err(ypro.stat);
369}
370
371int
372yp_master_host(client, indomain, inmap, outname)
373CLIENT *client;
374char *indomain;
375char *inmap;
376char **outname;
377{
378 struct ypresp_master yprm;
379 struct ypreq_nokey yprnk;
380 struct timeval tv;
381 int r;
382
383 tv.tv_sec = _yplib_host_timeout;
384 tv.tv_usec = 0;
385
386 yprnk.domain = indomain;
387 yprnk.map = inmap;
388
389 memset(&yprm, 0, sizeof yprm);
390
391 r = clnt_call(client, YPPROC_MASTER,
392 xdr_ypreq_nokey, &yprnk, xdr_ypresp_master, &yprm, tv);
393 if(r != RPC_SUCCESS) {
394 clnt_perror(client, "yp_master: clnt_call");
395 }
396 if( !(r=ypprot_err(yprm.stat)) ) {
397 *outname = (char *)strdup(yprm.peer);
398 }
399 xdr_free(xdr_ypresp_master, (char *)&yprm);
400 return r;
401}
402
403int
404yp_maplist_host(client, indomain, outmaplist)
405CLIENT *client;
406char *indomain;
407struct ypmaplist **outmaplist;
408{
409 struct ypresp_maplist ypml;
410 struct timeval tv;
411 int r;
412
413 tv.tv_sec = _yplib_host_timeout;
414 tv.tv_usec = 0;
415
416 memset(&ypml, 0, sizeof ypml);
417
418 r = clnt_call(client, YPPROC_MAPLIST,
419 xdr_domainname, &indomain, xdr_ypresp_maplist, &ypml, tv);
420 if (r != RPC_SUCCESS) {
421 clnt_perror(client, "yp_maplist: clnt_call");
422 }
423 *outmaplist = ypml.maps;
424 /* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/
425 return ypprot_err(ypml.stat);
426}
427