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