3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $FreeBSD: src/libexec/ypxfr/ypxfr_misc.c,v 1.9.2.2 2002/02/15 00:46:54 des Exp $
33 * $DragonFly: src/libexec/ypxfr/ypxfr_misc.c,v 1.2 2003/06/17 04:27:08 dillon Exp $
40 #include <sys/param.h>
42 #include <rpcsvc/yp.h>
43 struct dom_binding {};
44 #include <rpcsvc/ypclnt.h>
45 #include "ypxfr_extern.h"
48 ypxfrerr_string(ypxfrstat code)
52 return ("Map successfully transferred");
55 return ("Master's version not newer");
58 return ("No such map in server's domain");
61 return ("Domain not supported by server");
64 return ("Local resource allocation failure");
67 return ("RPC failure talking to server");
70 return ("Could not get master server address");
73 return ("NIS server/map database error");
76 return ("Request arguments bad");
79 return ("Local database operation failed");
82 return ("Local file I/O operation failed");
85 return ("Map version skew during transfer");
88 return ("Couldn't send \"clear\" request to local ypserv");
91 return ("No local order number in map -- use -f flag");
94 return ("General ypxfr error");
97 return ("Transfer request refused by ypserv");
100 return ("Unknown error code");
106 * These are wrappers for the usual yp_master() and yp_order() functions.
107 * They can use either local yplib functions (the real yp_master() and
108 * yp_order()) or do direct RPCs to a specified server. The latter is
109 * necessary if ypxfr is run on a machine that isn't configured as an
110 * NIS client (this can happen very easily: a given machine need not be
111 * an NIS client in order to be an NIS server).
115 * Careful: yp_master() returns a pointer to a dynamically allocated
116 * buffer. Calling ypproc_master_2() ourselves also returns a pointer
117 * to dynamically allocated memory, though this time it's memory
118 * allocated by the XDR routines. We have to rememver to free() or
119 * xdr_free() the memory as required to avoid leaking memory.
122 ypxfr_get_master(char *domain, char *map, char *source, const int yplib)
124 static char mastername[MAXPATHLEN + 2];
126 bzero((char *)&mastername, sizeof(mastername));
131 if ((res = yp_master(domain, map, &master))) {
134 yp_errno = YPXFR_NODOM;
137 yp_errno = YPXFR_NOMAP;
141 yp_errno = YPXFR_YPERR;
146 snprintf(mastername, sizeof(mastername), "%s", master);
148 return((char *)&mastername);
155 if ((clnt = clnt_create(source,YPPROG,YPVERS,"udp")) == NULL) {
156 yp_error("%s",clnt_spcreateerror("failed to \
157 create udp handle to ypserv"));
158 yp_errno = YPXFR_RPC;
164 if ((resp = ypproc_master_2(&req, clnt)) == NULL) {
165 yp_error("%s",clnt_sperror(clnt,"YPPROC_MASTER \
168 yp_errno = YPXFR_RPC;
172 if (resp->stat != YP_TRUE) {
173 switch (resp->stat) {
175 yp_errno = YPXFR_NODOM;
178 yp_errno = YPXFR_NOMAP;
182 yp_errno = YPXFR_YPERR;
187 snprintf(mastername, sizeof(mastername), "%s", resp->peer);
188 /* xdr_free(xdr_ypresp_master, (char *)&resp); */
189 return((char *)&mastername);
194 ypxfr_get_order(char *domain, char *map, char *source, const int yplib)
199 if ((res = yp_order(domain, map, (int *)&order))) {
202 yp_errno = YPXFR_NODOM;
205 yp_errno = YPXFR_NOMAP;
209 yp_errno = YPXFR_YPERR;
220 if ((clnt = clnt_create(source,YPPROG,YPVERS,"udp")) == NULL) {
221 yp_error("%s",clnt_spcreateerror("couldn't create \
222 udp handle to ypserv"));
223 yp_errno = YPXFR_RPC;
228 if ((resp = ypproc_order_2(&req, clnt)) == NULL) {
229 yp_error("%s", clnt_sperror(clnt, "YPPROC_ORDER \
232 yp_errno = YPXFR_RPC;
236 if (resp->stat != YP_TRUE) {
237 switch (resp->stat) {
239 yp_errno = YPXFR_NODOM;
242 yp_errno = YPXFR_NOMAP;
246 yp_errno = YPXFR_YPERR;
251 return(resp->ordernum);
256 ypxfr_match(char *server, char *domain, char *map, char *key,
257 unsigned long keylen)
262 static char buf[YPMAXRECORD + 2];
264 bzero((char *)buf, sizeof(buf));
266 if ((clnt = clnt_create(server, YPPROG,YPVERS,"udp")) == NULL) {
267 yp_error("failed to create UDP handle: %s",
268 clnt_spcreateerror(server));
272 ypkey.domain = domain;
274 ypkey.key.keydat_len = keylen;
275 ypkey.key.keydat_val = key;
277 if ((ypval = ypproc_match_2(&ypkey, clnt)) == NULL) {
279 yp_error("%s: %s", server,
280 clnt_sperror(clnt,"YPPROC_MATCH failed"));
286 if (ypval->stat != YP_TRUE) {
287 xdr_free((xdrproc_t)xdr_ypresp_val, ypval);
291 xdr_free((xdrproc_t)xdr_ypresp_val, ypval);