2 * Copyright (c) 1995, 1996
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 * ypupdate client-side library function.
34 * Written by Bill Paul <wpaul@ctr.columbia.edu>
35 * Center for Telecommunications Research
36 * Columbia University, New York City
38 * $FreeBSD: src/lib/librpcsvc/yp_update.c,v 1.2.2.1 2002/02/15 00:46:54 des Exp $
43 #include <rpcsvc/yp_prot.h>
44 #include <rpcsvc/ypclnt.h>
45 #include <rpcsvc/ypupdate_prot.h>
46 #include <rpc/key_prot.h>
49 static const char rcsid[] = "$FreeBSD: src/lib/librpcsvc/yp_update.c,v 1.2.2.1 2002/02/15 00:46:54 des Exp $";
53 #define WINDOW (60*60)
61 yp_update(domain, map, ypop, key, keylen, data, datalen)
73 struct ypupdate_args upargs;
74 struct ypdelete_args delargs;
76 char netname[MAXNETNAMELEN+1];
78 struct timeval timeout;
80 /* Get the master server name for 'domain.' */
81 if ((rval = yp_master(domain, map, &master)))
84 /* Check that ypupdated is running there. */
85 if (getrpcport(master, YPU_PROG, YPU_VERS, ypop))
89 if ((clnt = clnt_create(master, YPU_PROG, YPU_VERS, "tcp")) == NULL)
93 * Assemble netname of server.
94 * NOTE: It's difficult to discern from the documentation, but
95 * when you make a Secure RPC call, the netname you pass should
96 * be the netname of the guy on the other side, not your own
97 * netname. This is how the client side knows what public key
98 * to use for the initial exchange. Passing your own netname
99 * only works if the server on the other side is running under
102 if (!host2netname(netname, master, domain)) {
104 return(YPERR_BADARGS);
107 /* Make up a DES session key. */
108 key_gendes(&des_key);
110 /* Set up DES authentication. */
111 if ((clnt->cl_auth = (AUTH *)authdes_create(netname, WINDOW, NULL,
112 &des_key)) == NULL) {
117 /* Set a timeout for clnt_call(). */
119 timeout.tv_sec = TIMEOUT;
122 * Make the call. Note that we use clnt_call() here rather than
123 * the rpcgen-erated client stubs. We could use those stubs, but
124 * then we'd have to do some gymnastics to get at the error
125 * information to figure out what error code to send back to the
126 * caller. With clnt_call(), we get the error status returned to
127 * us right away, and we only have to exert a small amount of
132 upargs.mapname = map;
133 upargs.key.yp_buf_len = keylen;
134 upargs.key.yp_buf_val = key;
135 upargs.datum.yp_buf_len = datalen;
136 upargs.datum.yp_buf_val = data;
138 if ((rval = clnt_call(clnt, YPU_CHANGE, xdr_ypupdate_args,
139 &upargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
140 if (rval == RPC_AUTHERROR)
148 upargs.mapname = map;
149 upargs.key.yp_buf_len = keylen;
150 upargs.key.yp_buf_val = key;
151 upargs.datum.yp_buf_len = datalen;
152 upargs.datum.yp_buf_val = data;
154 if ((rval = clnt_call(clnt, YPU_INSERT, xdr_ypupdate_args,
155 &upargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
156 if (rval == RPC_AUTHERROR)
164 delargs.mapname = map;
165 delargs.key.yp_buf_len = keylen;
166 delargs.key.yp_buf_val = key;
168 if ((rval = clnt_call(clnt, YPU_DELETE, xdr_ypdelete_args,
169 &delargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
170 if (rval == RPC_AUTHERROR)
178 upargs.mapname = map;
179 upargs.key.yp_buf_len = keylen;
180 upargs.key.yp_buf_val = key;
181 upargs.datum.yp_buf_len = datalen;
182 upargs.datum.yp_buf_val = data;
184 if ((rval = clnt_call(clnt, YPU_STORE, xdr_ypupdate_args,
185 &upargs, xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
186 if (rval == RPC_AUTHERROR)
198 /* All done: tear down the connection. */
199 auth_destroy(clnt->cl_auth);