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 #pragma ident "%Z%%M% %I% %E% SMI"
38
39 #include "mt.h"
40 #include <stdlib.h>
41 #include <unistd.h>
42 #include <rpc/rpc.h>
43 #include "yp_b.h"
44 #include <rpcsvc/yp_prot.h>
45 #include <rpcsvc/ypclnt.h>
46 #include <sys/types.h>
47 #include <string.h>
48
49 static int doorder(char *, char *, struct dom_binding *, struct timeval,
50 unsigned long *);
51
52
53 /*
54 * This checks parameters, and implements the outer "until binding success"
55 * loop.
56 */
57 int
yp_order(char * domain,char * map,unsigned long * order)58 yp_order(char *domain, char *map, unsigned long *order)
59 {
60 size_t domlen;
61 size_t maplen;
62 int reason;
63 struct dom_binding *pdomb;
64
65 if ((map == NULL) || (domain == NULL))
66 return (YPERR_BADARGS);
67
68 domlen = strlen(domain);
69 maplen = strlen(map);
70
71 if ((domlen == 0) || (domlen > YPMAXDOMAIN) ||
72 (maplen == 0) || (maplen > YPMAXMAP) ||
73 (order == NULL))
74 return (YPERR_BADARGS);
75
76 for (;;) {
77
78 if (reason = __yp_dobind(domain, &pdomb))
79 return (reason);
80
81 if (pdomb->dom_binding->ypbind_hi_vers >= YPVERS) {
82
83 reason = doorder(domain, map, pdomb, _ypserv_timeout,
84 order);
85
86 __yp_rel_binding(pdomb);
87 if (reason == YPERR_RPC) {
88 yp_unbind(domain);
89 (void) sleep(_ypsleeptime);
90 } else {
91 break;
92 }
93 } else {
94 __yp_rel_binding(pdomb);
95 return (YPERR_VERS);
96 }
97 }
98
99 return (reason);
100 }
101
102 /*
103 * This talks v3 to ypserv
104 */
105 static int
doorder(char * domain,char * map,struct dom_binding * pdomb,struct timeval timeout,unsigned long * order)106 doorder(char *domain, char *map, struct dom_binding *pdomb,
107 struct timeval timeout, unsigned long *order)
108 {
109 struct ypreq_nokey req;
110 struct ypresp_order resp;
111 unsigned int retval = 0;
112
113 req.domain = domain;
114 req.map = map;
115 (void) memset((char *)&resp, 0, sizeof (struct ypresp_order));
116
117 /*
118 * Do the get_order request. If the rpc call failed, return with
119 * status from this point.
120 */
121
122 if (clnt_call(pdomb->dom_client, YPPROC_ORDER,
123 (xdrproc_t)xdr_ypreq_nokey,
124 (char *)&req, (xdrproc_t)xdr_ypresp_order, (char *)&resp,
125 timeout) != RPC_SUCCESS)
126 return (YPERR_RPC);
127
128 /* See if the request succeeded */
129
130 if (resp.status != YP_TRUE) {
131 retval = ypprot_err(resp.status);
132 }
133
134 *order = (unsigned long)resp.ordernum;
135 CLNT_FREERES(pdomb->dom_client,
136 (xdrproc_t)xdr_ypresp_order, (char *)&resp);
137 return (retval);
138 }
139