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 1.7 2003/10/26 03:43:35 peter Exp $
39 * $DragonFly: src/lib/librpcsvc/yp_update.c,v 1.3 2007/11/25 14:33:02 swildner Exp $
45 #include <rpcsvc/yp_prot.h>
46 #include <rpcsvc/ypclnt.h>
47 #include <rpcsvc/ypupdate_prot.h>
48 #include <rpc/key_prot.h>
51 #define WINDOW (60*60)
59 yp_update(char *domain, char *map, unsigned int ypop, char *key, int keylen,
60 char *data, int datalen)
65 struct ypupdate_args upargs;
66 struct ypdelete_args delargs;
68 char netname[MAXNETNAMELEN+1];
70 struct timeval timeout;
72 /* Get the master server name for 'domain.' */
73 if ((rval = yp_master(domain, map, &master)))
76 /* Check that ypupdated is running there. */
77 if (getrpcport(master, YPU_PROG, YPU_VERS, ypop))
81 if ((clnt = clnt_create(master, YPU_PROG, YPU_VERS, "tcp")) == NULL)
85 * Assemble netname of server.
86 * NOTE: It's difficult to discern from the documentation, but
87 * when you make a Secure RPC call, the netname you pass should
88 * be the netname of the guy on the other side, not your own
89 * netname. This is how the client side knows what public key
90 * to use for the initial exchange. Passing your own netname
91 * only works if the server on the other side is running under
94 if (!host2netname(netname, master, domain)) {
96 return(YPERR_BADARGS);
99 /* Make up a DES session key. */
100 key_gendes(&des_key);
102 /* Set up DES authentication. */
103 if ((clnt->cl_auth = (AUTH *)authdes_create(netname, WINDOW, NULL,
104 &des_key)) == NULL) {
109 /* Set a timeout for clnt_call(). */
111 timeout.tv_sec = TIMEOUT;
114 * Make the call. Note that we use clnt_call() here rather than
115 * the rpcgen-erated client stubs. We could use those stubs, but
116 * then we'd have to do some gymnastics to get at the error
117 * information to figure out what error code to send back to the
118 * caller. With clnt_call(), we get the error status returned to
119 * us right away, and we only have to exert a small amount of
124 upargs.mapname = map;
125 upargs.key.yp_buf_len = keylen;
126 upargs.key.yp_buf_val = key;
127 upargs.datum.yp_buf_len = datalen;
128 upargs.datum.yp_buf_val = data;
130 if ((rval = clnt_call(clnt, YPU_CHANGE,
131 (xdrproc_t)xdr_ypupdate_args, &upargs,
132 (xdrproc_t)xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
133 if (rval == RPC_AUTHERROR)
141 upargs.mapname = map;
142 upargs.key.yp_buf_len = keylen;
143 upargs.key.yp_buf_val = key;
144 upargs.datum.yp_buf_len = datalen;
145 upargs.datum.yp_buf_val = data;
147 if ((rval = clnt_call(clnt, YPU_INSERT,
148 (xdrproc_t)xdr_ypupdate_args, &upargs,
149 (xdrproc_t)xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
150 if (rval == RPC_AUTHERROR)
158 delargs.mapname = map;
159 delargs.key.yp_buf_len = keylen;
160 delargs.key.yp_buf_val = key;
162 if ((rval = clnt_call(clnt, YPU_DELETE,
163 (xdrproc_t)xdr_ypdelete_args, &delargs,
164 (xdrproc_t)xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
165 if (rval == RPC_AUTHERROR)
173 upargs.mapname = map;
174 upargs.key.yp_buf_len = keylen;
175 upargs.key.yp_buf_val = key;
176 upargs.datum.yp_buf_len = datalen;
177 upargs.datum.yp_buf_val = data;
179 if ((rval = clnt_call(clnt, YPU_STORE,
180 (xdrproc_t)xdr_ypupdate_args, &upargs,
181 (xdrproc_t)xdr_u_int, &res, timeout)) != RPC_SUCCESS) {
182 if (rval == RPC_AUTHERROR)
194 /* All done: tear down the connection. */
195 auth_destroy(clnt->cl_auth);