1 /*- 2 * Copyright (c) 2009, Sun Microsystems, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * - Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * - Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * - Neither the name of Sun Microsystems, Inc. nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 * 28 * @(#)rpcdname.c 1.7 91/03/11 Copyr 1989 Sun Micro 29 * $FreeBSD: src/lib/libc/rpc/rpcdname.c,v 1.5 2004/10/16 06:11:35 obrien Exp $ 30 */ 31 32 /* 33 * rpcdname.c 34 * Gets the default domain name 35 */ 36 37 #include "namespace.h" 38 #include <stdlib.h> 39 #include <unistd.h> 40 #include <string.h> 41 #include <rpc/rpc.h> 42 #include "un-namespace.h" 43 44 #include "rpc_com.h" 45 46 static char *default_domain = NULL; 47 48 static char * 49 get_default_domain(void) 50 { 51 char temp[256]; 52 53 if (default_domain) 54 return (default_domain); 55 if (getdomainname(temp, sizeof(temp)) < 0) 56 return (0); 57 if ((int) strlen(temp) > 0) { 58 default_domain = (char *)malloc((strlen(temp)+(unsigned)1)); 59 if (default_domain == NULL) 60 return (0); 61 strcpy(default_domain, temp); 62 return (default_domain); 63 } 64 return (0); 65 } 66 67 /* 68 * This is a wrapper for the system call getdomainname which returns a 69 * ypclnt.h error code in the failure case. It also checks to see that 70 * the domain name is non-null, knowing that the null string is going to 71 * get rejected elsewhere in the NIS client package. 72 */ 73 int 74 __rpc_get_default_domain(char **domain) 75 { 76 if ((*domain = get_default_domain()) != NULL) 77 return (0); 78 return (-1); 79 } 80