yp_order.c revision 132:e3f7eaf7dde4 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23/*
24 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
29/*	  All Rights Reserved   */
30
31/*
32 * Portions of this source code were derived from Berkeley
33 * under license from the Regents of the University of
34 * California.
35 */
36
37#pragma ident	"%Z%%M%	%I%	%E% SMI"
38
39#include <stdlib.h>
40#include <unistd.h>
41#include <rpc/rpc.h>
42#include "yp_b.h"
43#include <rpcsvc/yp_prot.h>
44#include <rpcsvc/ypclnt.h>
45#include <sys/types.h>
46#include <string.h>
47
48static int doorder(char *, char *, struct dom_binding *, struct timeval,
49    unsigned long *);
50
51
52/*
53 * This checks parameters, and implements the outer "until binding success"
54 * loop.
55 */
56int
57yp_order(char *domain, char *map, unsigned long *order)
58{
59	size_t domlen;
60	size_t maplen;
61	int reason;
62	struct dom_binding *pdomb;
63
64	if ((map == NULL) || (domain == NULL))
65		return (YPERR_BADARGS);
66
67	domlen = strlen(domain);
68	maplen = strlen(map);
69
70	if ((domlen == 0) || (domlen > YPMAXDOMAIN) ||
71	    (maplen == 0) || (maplen > YPMAXMAP) ||
72	    (order == NULL))
73		return (YPERR_BADARGS);
74
75	for (;;) {
76
77		if (reason = __yp_dobind(domain, &pdomb))
78			return (reason);
79
80		if (pdomb->dom_binding->ypbind_hi_vers >= YPVERS) {
81
82			reason = doorder(domain, map, pdomb, _ypserv_timeout,
83			    order);
84
85			__yp_rel_binding(pdomb);
86			if (reason == YPERR_RPC) {
87				yp_unbind(domain);
88				(void) _sleep(_ypsleeptime);
89			} else {
90				break;
91			}
92		} else {
93			__yp_rel_binding(pdomb);
94			return (YPERR_VERS);
95		}
96	}
97
98	return (reason);
99}
100
101/*
102 * This talks v3 to ypserv
103 */
104static int
105doorder(char *domain, char *map, struct dom_binding *pdomb,
106				struct timeval timeout, unsigned long *order)
107{
108	struct ypreq_nokey req;
109	struct ypresp_order resp;
110	unsigned int retval = 0;
111
112	req.domain = domain;
113	req.map = map;
114	(void) memset((char *)&resp, 0, sizeof (struct ypresp_order));
115
116	/*
117	 * Do the get_order request.  If the rpc call failed, return with
118	 * status from this point.
119	 */
120
121	if (clnt_call(pdomb->dom_client, YPPROC_ORDER,
122			(xdrproc_t)xdr_ypreq_nokey,
123		    (char *)&req, (xdrproc_t)xdr_ypresp_order, (char *)&resp,
124		    timeout) != RPC_SUCCESS)
125		return (YPERR_RPC);
126
127	/* See if the request succeeded */
128
129	if (resp.status != YP_TRUE) {
130		retval = ypprot_err(resp.status);
131	}
132
133	*order = (unsigned long)resp.ordernum;
134	CLNT_FREERES(pdomb->dom_client,
135		(xdrproc_t)xdr_ypresp_order, (char *)&resp);
136	return (retval);
137}
138