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 $
39 * $DragonFly: src/lib/librpcsvc/yp_update.c,v 1.3 2007/11/25 14:33:02 swildner Exp $
41 * $FreeBSD: src/lib/librpcsvc/yp_update.c,v 1.2.2.1 2002/02/15 00:46:54 des Exp $
46 #include <rpcsvc/yp_prot.h>
47 #include <rpcsvc/ypclnt.h>
48 #include <rpcsvc/ypupdate_prot.h>
49 #include <rpc/key_prot.h>
52 #define WINDOW (60*60)
60 yp_update(char *domain
, char *map
, unsigned int ypop
, char *key
, int keylen
,
61 char *data
, int datalen
)
66 struct ypupdate_args upargs
;
67 struct ypdelete_args delargs
;
69 char netname
[MAXNETNAMELEN
+1];
71 struct timeval timeout
;
73 /* Get the master server name for 'domain.' */
74 if ((rval
= yp_master(domain
, map
, &master
)))
77 /* Check that ypupdated is running there. */
78 if (getrpcport(master
, YPU_PROG
, YPU_VERS
, ypop
))
82 if ((clnt
= clnt_create(master
, YPU_PROG
, YPU_VERS
, "tcp")) == NULL
)
86 * Assemble netname of server.
87 * NOTE: It's difficult to discern from the documentation, but
88 * when you make a Secure RPC call, the netname you pass should
89 * be the netname of the guy on the other side, not your own
90 * netname. This is how the client side knows what public key
91 * to use for the initial exchange. Passing your own netname
92 * only works if the server on the other side is running under
95 if (!host2netname(netname
, master
, domain
)) {
97 return(YPERR_BADARGS
);
100 /* Make up a DES session key. */
101 key_gendes(&des_key
);
103 /* Set up DES authentication. */
104 if ((clnt
->cl_auth
= (AUTH
*)authdes_create(netname
, WINDOW
, NULL
,
105 &des_key
)) == NULL
) {
110 /* Set a timeout for clnt_call(). */
112 timeout
.tv_sec
= TIMEOUT
;
115 * Make the call. Note that we use clnt_call() here rather than
116 * the rpcgen-erated client stubs. We could use those stubs, but
117 * then we'd have to do some gymnastics to get at the error
118 * information to figure out what error code to send back to the
119 * caller. With clnt_call(), we get the error status returned to
120 * us right away, and we only have to exert a small amount of
125 upargs
.mapname
= map
;
126 upargs
.key
.yp_buf_len
= keylen
;
127 upargs
.key
.yp_buf_val
= key
;
128 upargs
.datum
.yp_buf_len
= datalen
;
129 upargs
.datum
.yp_buf_val
= data
;
131 if ((rval
= clnt_call(clnt
, YPU_CHANGE
, xdr_ypupdate_args
,
132 &upargs
, 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
, xdr_ypupdate_args
,
148 &upargs
, xdr_u_int
, &res
, timeout
)) != RPC_SUCCESS
) {
149 if (rval
== RPC_AUTHERROR
)
157 delargs
.mapname
= map
;
158 delargs
.key
.yp_buf_len
= keylen
;
159 delargs
.key
.yp_buf_val
= key
;
161 if ((rval
= clnt_call(clnt
, YPU_DELETE
, xdr_ypdelete_args
,
162 &delargs
, xdr_u_int
, &res
, timeout
)) != RPC_SUCCESS
) {
163 if (rval
== RPC_AUTHERROR
)
171 upargs
.mapname
= map
;
172 upargs
.key
.yp_buf_len
= keylen
;
173 upargs
.key
.yp_buf_val
= key
;
174 upargs
.datum
.yp_buf_len
= datalen
;
175 upargs
.datum
.yp_buf_val
= data
;
177 if ((rval
= clnt_call(clnt
, YPU_STORE
, xdr_ypupdate_args
,
178 &upargs
, xdr_u_int
, &res
, timeout
)) != RPC_SUCCESS
) {
179 if (rval
== RPC_AUTHERROR
)
191 /* All done: tear down the connection. */
192 auth_destroy(clnt
->cl_auth
);