1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user or with the express written consent of 8 * Sun Microsystems, Inc. 9 * 10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 13 * 14 * Sun RPC is provided with no support and without any obligation on the 15 * part of Sun Microsystems, Inc. to assist in its use, correction, 16 * modification or enhancement. 17 * 18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 20 * OR ANY PART THEREOF. 21 * 22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 23 * or profits or other special, indirect and consequential damages, even if 24 * Sun has been advised of the possibility of such damages. 25 * 26 * Sun Microsystems, Inc. 27 * 2550 Garcia Avenue 28 * Mountain View, California 94043 29 */ 30 31 #if defined(LIBC_SCCS) && !defined(lint) 32 static char sccsid[] = "@(#)rpcdname.c 1.7 91/03/11 Copyr 1989 Sun Micro"; 33 #endif 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 /* 38 * rpcdname.c 39 * Gets the default domain name 40 */ 41 42 #include "namespace.h" 43 #include <stdlib.h> 44 #include <unistd.h> 45 #include <string.h> 46 #include "un-namespace.h" 47 48 static char *default_domain = 0; 49 50 static char * 51 get_default_domain() 52 { 53 char temp[256]; 54 55 if (default_domain) 56 return (default_domain); 57 if (getdomainname(temp, sizeof(temp)) < 0) 58 return (0); 59 if ((int) strlen(temp) > 0) { 60 default_domain = (char *)malloc((strlen(temp)+(unsigned)1)); 61 if (default_domain == 0) 62 return (0); 63 (void) strcpy(default_domain, temp); 64 return (default_domain); 65 } 66 return (0); 67 } 68 69 /* 70 * This is a wrapper for the system call getdomainname which returns a 71 * ypclnt.h error code in the failure case. It also checks to see that 72 * the domain name is non-null, knowing that the null string is going to 73 * get rejected elsewhere in the NIS client package. 74 */ 75 int 76 __rpc_get_default_domain(domain) 77 char **domain; 78 { 79 if ((*domain = get_default_domain()) != 0) 80 return (0); 81 return (-1); 82 } 83