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 2006 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 #include "mt.h"
38 #include <stdlib.h>
39 #include <unistd.h>
40 #include <rpc/rpc.h>
41 #include "yp_b.h"
42 #include <rpcsvc/yp_prot.h>
43 #include <rpcsvc/ypclnt.h>
44 #include <sys/types.h>
45 #include <string.h>
46
47 static int doorder(char *, char *, struct dom_binding *, struct timeval,
48 unsigned long *);
49
50
51 /*
52 * This checks parameters, and implements the outer "until binding success"
53 * loop.
54 */
55 int
yp_order(char * domain,char * map,unsigned long * order)56 yp_order(char *domain, char *map, unsigned long *order)
57 {
58 size_t domlen;
59 size_t maplen;
60 int reason;
61 struct dom_binding *pdomb;
62
63 if ((map == NULL) || (domain == NULL))
64 return (YPERR_BADARGS);
65
66 domlen = strlen(domain);
67 maplen = strlen(map);
68
69 if ((domlen == 0) || (domlen > YPMAXDOMAIN) ||
70 (maplen == 0) || (maplen > YPMAXMAP) ||
71 (order == NULL))
72 return (YPERR_BADARGS);
73
74 for (;;) {
75
76 if (reason = __yp_dobind(domain, &pdomb))
77 return (reason);
78
79 if (pdomb->dom_binding->ypbind_hi_vers >= YPVERS) {
80
81 reason = doorder(domain, map, pdomb, _ypserv_timeout,
82 order);
83
84 __yp_rel_binding(pdomb);
85 if (reason == YPERR_RPC) {
86 yp_unbind(domain);
87 (void) sleep(_ypsleeptime);
88 } else {
89 break;
90 }
91 } else {
92 __yp_rel_binding(pdomb);
93 return (YPERR_VERS);
94 }
95 }
96
97 return (reason);
98 }
99
100 /*
101 * This talks v3 to ypserv
102 */
103 static int
doorder(char * domain,char * map,struct dom_binding * pdomb,struct timeval timeout,unsigned long * order)104 doorder(char *domain, char *map, struct dom_binding *pdomb,
105 struct timeval timeout, unsigned long *order)
106 {
107 struct ypreq_nokey req;
108 struct ypresp_order resp;
109 unsigned int retval = 0;
110
111 req.domain = domain;
112 req.map = map;
113 (void) memset((char *)&resp, 0, sizeof (struct ypresp_order));
114
115 /*
116 * Do the get_order request. If the rpc call failed, return with
117 * status from this point.
118 */
119
120 if (clnt_call(pdomb->dom_client, YPPROC_ORDER,
121 (xdrproc_t)xdr_ypreq_nokey,
122 (char *)&req, (xdrproc_t)xdr_ypresp_order, (char *)&resp,
123 timeout) != RPC_SUCCESS)
124 return (YPERR_RPC);
125
126 /* See if the request succeeded */
127
128 if (resp.status != YP_TRUE) {
129 retval = ypprot_err(resp.status);
130 }
131
132 *order = (unsigned long)resp.ordernum;
133 CLNT_FREERES(pdomb->dom_client,
134 (xdrproc_t)xdr_ypresp_order, (char *)&resp);
135 return (retval);
136 }
137