xref: /netbsd/lib/libc/yp/yp_order.c (revision bf9ec67e)
1 /*	$NetBSD: yp_order.c,v 1.11 2000/07/06 03:14:05 christos 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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Theo de Raadt.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 #if defined(LIBC_SCCS) && !defined(lint)
36 __RCSID("$NetBSD: yp_order.c,v 1.11 2000/07/06 03:14:05 christos Exp $");
37 #endif
38 
39 #include "namespace.h"
40 #include <string.h>
41 #include <rpc/rpc.h>
42 #include <rpcsvc/yp_prot.h>
43 #include <rpcsvc/ypclnt.h>
44 #include "local.h"
45 
46 extern struct timeval _yplib_timeout;
47 extern int _yplib_nerrs;
48 
49 #ifdef __weak_alias
50 __weak_alias(yp_order,_yp_order)
51 #endif
52 
53 int
54 yp_order(indomain, inmap, outorder)
55 	const char     *indomain;
56 	const char     *inmap;
57 	int            *outorder;
58 {
59 	struct dom_binding *ysd;
60 	struct ypresp_order ypro;
61 	struct ypreq_nokey yprnk;
62 	int r, nerrs = 0;
63 
64 	if (_yp_invalid_domain(indomain))
65 		return YPERR_BADARGS;
66 	if (inmap == NULL || *inmap == '\0'
67 	    || strlen(inmap) > YPMAXMAP)
68 		return YPERR_BADARGS;
69 	if (outorder == NULL)
70 		return YPERR_BADARGS;
71 
72 again:
73 	if (_yp_dobind(indomain, &ysd) != 0)
74 		return YPERR_DOMAIN;
75 
76 	yprnk.domain = indomain;
77 	yprnk.map = inmap;
78 
79 	(void)memset(&ypro, 0, sizeof ypro);
80 
81 	r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_ORDER,
82 		      (xdrproc_t)xdr_ypreq_nokey, &yprnk,
83 		      (xdrproc_t)xdr_ypresp_order, &ypro,
84 		      _yplib_timeout);
85 	if (r != RPC_SUCCESS) {
86 		if (++nerrs == _yplib_nerrs) {
87 			clnt_perror(ysd->dom_client, "yp_order: clnt_call");
88 			nerrs = 0;
89 		}
90 	        if (r == RPC_PROCUNAVAIL) {
91 			/* Case of NIS+ server in NIS compat mode */
92 			r = YPERR_YPERR;
93 			goto bail;
94 	        }
95 		ysd->dom_vers = -1;
96 		goto again;
97 	}
98 	*outorder = ypro.ordernum;
99 	xdr_free((xdrproc_t)xdr_ypresp_order, (char *)(void *)&ypro);
100 	r = ypprot_err(ypro.status);
101 bail:
102 	__yp_unbind(ysd);
103 	return r;
104 }
105