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 * Portions of this source code were derived from Berkeley
32 * 4.3 BSD under license from the Regents of the University of
33 * California.
34 */
35
36 #pragma ident "%Z%%M% %I% %E% SMI"
37
38 /*
39 * Gets and sets the domain name of the system
40 */
41
42 #include "mt.h"
43 #include "rpc_mt.h"
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <sys/types.h>
47 #include <sys/utsname.h>
48 #include <sys/systeminfo.h>
49 #include <sys/time.h>
50 #include <syslog.h>
51
52 #ifndef SI_SRPC_DOMAIN
53 #define use_file
54 #endif
55
56 #ifdef use_file
57 char DOMAIN[] = "/etc/domain";
58 #endif
59
60 int setdomainname();
61
62 #ifdef use_file
63 static char *domainname;
64 #endif
65
66 extern mutex_t dname_lock;
67
68 int
getdomainname(name,namelen)69 getdomainname(name, namelen)
70 char *name;
71 int namelen;
72 {
73 #ifdef use_file
74 FILE *domain_fd;
75 char *line;
76
77 (void) mutex_lock(&dname_lock);
78 if (domainname) {
79 (void) strncpy(name, domainname, namelen);
80 (void) mutex_unlock(&dname_lock);
81 return (0);
82 }
83
84 domainname = calloc(1, 256);
85 if (domainname == NULL) {
86 syslog(LOG_ERR, "getdomainname : out of memory.");
87 (void) mutex_unlock(&dname_lock);
88 return (-1);
89 }
90
91 if ((domain_fd = fopen(DOMAIN, "r")) == NULL) {
92
93 (void) mutex_unlock(&dname_lock);
94 return (-1);
95 }
96 if (fscanf(domain_fd, "%s", domainname) == NULL) {
97 (void) fclose(domain_fd);
98 (void) mutex_unlock(&dname_lock);
99 return (-1);
100 }
101 (void) fclose(domain_fd);
102 (void) strncpy(name, domainname, namelen);
103 (void) mutex_unlock(&dname_lock);
104 return (0);
105 #else
106 int sysinfostatus;
107
108 sysinfostatus = sysinfo(SI_SRPC_DOMAIN, name, namelen);
109
110 return ((sysinfostatus < 0) ? -1 : 0);
111 #endif
112 }
113
114 int
setdomainname(domain,len)115 setdomainname(domain, len)
116 char *domain;
117 int len;
118 {
119 #ifdef use_file
120
121 FILE *domain_fd;
122
123 (void) mutex_lock(&dname_lock);
124 if (domainname)
125 free(domainname);
126
127 if ((domain_fd = fopen(DOMAIN, "w")) == NULL) {
128 (void) mutex_unlock(&dname_lock);
129 return (-1);
130 }
131 if (fputs(domain, domain_fd) == NULL) {
132 (void) mutex_unlock(&dname_lock);
133 return (-1);
134 }
135 (void) fclose(domain_fd);
136 domainname = calloc(1, 256);
137 if (domainname == NULL) {
138 syslog(LOG_ERR, "setdomainname : out of memory.");
139 (void) mutex_unlock(&dname_lock);
140 return (-1);
141 }
142 (void) strncpy(domainname, domain, len);
143 (void) mutex_unlock(&dname_lock);
144 return (0);
145 #else
146 int sysinfostatus;
147
148 sysinfostatus = sysinfo(SI_SET_SRPC_DOMAIN,
149 domain, len + 1); /* add null */
150 return ((sysinfostatus < 0) ? -1 : 0);
151 #endif
152 }
153