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 #pragma ident "%Z%%M% %I% %E% SMI"
29
30 #include "mt.h"
31 #include <sys/types.h>
32 #include <string.h>
33 #include <stdio.h>
34 #include <netconfig.h>
35 #include <netdir.h>
36 #include <rpc/rpc.h>
37
38 static CLIENT *
__yp_clnt_create_rsvdport_netid_req(const char * hostname,rpcprog_t prog,rpcvers_t vers,const char * nettype,const uint_t sendsz,const uint_t recvsz)39 __yp_clnt_create_rsvdport_netid_req(const char *hostname, rpcprog_t prog,
40 rpcvers_t vers, const char *nettype,
41 const uint_t sendsz, const uint_t recvsz)
42 {
43 struct netconfig *nconf;
44 struct netbuf *svcaddr;
45 struct t_bind *tbind;
46 CLIENT *clnt = NULL;
47 int fd;
48 const char *nt;
49
50 if (nettype == NULL)
51 return (0);
52 else
53 nt = nettype;
54
55 if (strcmp(nt, "udp") && strcmp(nt, "tcp") &&
56 strcmp(nt, "udp6") && strcmp(nt, "tcp6"))
57 return (clnt_create(hostname, prog, vers, nt));
58
59 if ((nconf = getnetconfigent((void *) nt)) == NULL)
60 return (NULL);
61
62 if ((fd = t_open(nconf->nc_device, O_RDWR, NULL)) == -1) {
63 freenetconfigent(nconf);
64 return (NULL);
65 }
66
67 /* Attempt to set reserved port, but we don't care if it fails */
68 (void) netdir_options(nconf, ND_SET_RESERVEDPORT, fd, NULL);
69
70 /* LINTED pointer cast */
71 if ((tbind = (struct t_bind *)t_alloc(fd, T_BIND, T_ADDR)) == NULL) {
72 freenetconfigent(nconf);
73 return (NULL);
74 }
75
76 svcaddr = &(tbind->addr);
77
78 if (!rpcb_getaddr(prog, vers, nconf, svcaddr, hostname)) {
79 (void) t_close(fd);
80 (void) t_free((char *)tbind, T_BIND);
81 freenetconfigent(nconf);
82 return (NULL);
83 }
84
85 if ((clnt = clnt_tli_create(fd, nconf, svcaddr,
86 prog, vers, sendsz, recvsz)) == NULL) {
87 (void) t_close(fd);
88 (void) t_free((char *)tbind, T_BIND);
89 } else {
90 (void) t_free((char *)tbind, T_BIND);
91 clnt_control(clnt, CLSET_FD_CLOSE, NULL);
92 }
93 freenetconfigent(nconf);
94 return (clnt);
95 }
96
97
98 CLIENT *
__yp_clnt_create_rsvdport(const char * hostname,rpcprog_t prog,rpcvers_t vers,const char * nettype,const uint_t sendsz,const uint_t recvsz)99 __yp_clnt_create_rsvdport(const char *hostname, rpcprog_t prog,
100 rpcvers_t vers, const char *nettype,
101 const uint_t sendsz, const uint_t recvsz)
102 {
103 if (nettype == 0) {
104 CLIENT *ret;
105 ret = __yp_clnt_create_rsvdport_netid_req(hostname, prog,
106 vers, "udp6", sendsz, recvsz);
107 if (ret == 0)
108 ret = __yp_clnt_create_rsvdport_netid_req(hostname,
109 prog, vers, "udp", sendsz, recvsz);
110 return (ret);
111 } else {
112 return (__yp_clnt_create_rsvdport_netid_req(hostname, prog,
113 vers, nettype,
114 sendsz, recvsz));
115 }
116 }
117