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 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 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