1 /* $NetBSD: yp_order.c,v 1.15 2024/01/03 18:41:53 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 *
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 1.15 2024/01/03 18:41:53 christos 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 #ifdef __weak_alias
__weak_alias(yp_order,_yp_order)42 __weak_alias(yp_order,_yp_order)
43 #endif
44
45 int
46 yp_order(const char *indomain, const char *inmap, int *outorder)
47 {
48 struct dom_binding *ysd;
49 struct ypresp_order ypro;
50 struct ypreq_nokey yprnk;
51 int r, nerrs = 0;
52
53 if (_yp_invalid_domain(indomain))
54 return YPERR_BADARGS;
55 if (inmap == NULL || *inmap == '\0'
56 || strlen(inmap) > YPMAXMAP)
57 return YPERR_BADARGS;
58 if (outorder == NULL)
59 return YPERR_BADARGS;
60
61 again:
62 if (_yp_dobind(indomain, &ysd) != 0)
63 return YPERR_DOMAIN;
64
65 yprnk.domain = indomain;
66 yprnk.map = inmap;
67
68 (void)memset(&ypro, 0, sizeof ypro);
69
70 r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_ORDER,
71 (xdrproc_t)xdr_ypreq_nokey, &yprnk,
72 (xdrproc_t)xdr_ypresp_order, &ypro,
73 _yplib_timeout);
74 if (r != RPC_SUCCESS) {
75 if (_yplib_bindtries <= 0 && ++nerrs == _yplib_nerrs) {
76 clnt_perror(ysd->dom_client, "yp_order: clnt_call");
77 nerrs = 0;
78 } else if (_yplib_bindtries > 0 && ++nerrs == _yplib_bindtries)
79 return YPERR_YPSERV;
80 if (r == RPC_PROCUNAVAIL) {
81 /* Case of NIS+ server in NIS compat mode */
82 r = YPERR_YPERR;
83 goto bail;
84 }
85 ysd->dom_vers = -1;
86 goto again;
87 }
88 *outorder = ypro.ordernum;
89 xdr_free((xdrproc_t)xdr_ypresp_order, (char *)(void *)&ypro);
90 r = ypprot_err(ypro.status);
91 bail:
92 __yp_unbind(ysd);
93 return r;
94 }
95