xref: /netbsd-src/lib/libc/yp/yp_order.c (revision a5847cc334d9a7029f6352b847e9e8d71a0f9e0c)
1 /*	$NetBSD: yp_order.c,v 1.12 2003/12/10 12:06:25 agc Exp $	 */
2 
3 /*
4  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 #if defined(LIBC_SCCS) && !defined(lint)
31 __RCSID("$NetBSD: yp_order.c,v 1.12 2003/12/10 12:06:25 agc Exp $");
32 #endif
33 
34 #include "namespace.h"
35 #include <string.h>
36 #include <rpc/rpc.h>
37 #include <rpcsvc/yp_prot.h>
38 #include <rpcsvc/ypclnt.h>
39 #include "local.h"
40 
41 extern struct timeval _yplib_timeout;
42 extern int _yplib_nerrs;
43 
44 #ifdef __weak_alias
45 __weak_alias(yp_order,_yp_order)
46 #endif
47 
48 int
49 yp_order(indomain, inmap, outorder)
50 	const char     *indomain;
51 	const char     *inmap;
52 	int            *outorder;
53 {
54 	struct dom_binding *ysd;
55 	struct ypresp_order ypro;
56 	struct ypreq_nokey yprnk;
57 	int r, nerrs = 0;
58 
59 	if (_yp_invalid_domain(indomain))
60 		return YPERR_BADARGS;
61 	if (inmap == NULL || *inmap == '\0'
62 	    || strlen(inmap) > YPMAXMAP)
63 		return YPERR_BADARGS;
64 	if (outorder == NULL)
65 		return YPERR_BADARGS;
66 
67 again:
68 	if (_yp_dobind(indomain, &ysd) != 0)
69 		return YPERR_DOMAIN;
70 
71 	yprnk.domain = indomain;
72 	yprnk.map = inmap;
73 
74 	(void)memset(&ypro, 0, sizeof ypro);
75 
76 	r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_ORDER,
77 		      (xdrproc_t)xdr_ypreq_nokey, &yprnk,
78 		      (xdrproc_t)xdr_ypresp_order, &ypro,
79 		      _yplib_timeout);
80 	if (r != RPC_SUCCESS) {
81 		if (++nerrs == _yplib_nerrs) {
82 			clnt_perror(ysd->dom_client, "yp_order: clnt_call");
83 			nerrs = 0;
84 		}
85 	        if (r == RPC_PROCUNAVAIL) {
86 			/* Case of NIS+ server in NIS compat mode */
87 			r = YPERR_YPERR;
88 			goto bail;
89 	        }
90 		ysd->dom_vers = -1;
91 		goto again;
92 	}
93 	*outorder = ypro.ordernum;
94 	xdr_free((xdrproc_t)xdr_ypresp_order, (char *)(void *)&ypro);
95 	r = ypprot_err(ypro.status);
96 bail:
97 	__yp_unbind(ysd);
98 	return r;
99 }
100