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 #if !defined(lint) && defined(SCCSIDS) 31 static char sccsid[] = "@(#)rpcdname.c 1.7 91/03/11 Copyr 1989 Sun Micro"; 32 #endif 33 34 /* 35 * rpcdname.c 36 * Gets the default domain name 37 */ 38 39 #include <stdlib.h> 40 #include <unistd.h> 41 #include <string.h> 42 43 static char *default_domain = 0; 44 45 static char * 46 get_default_domain() 47 { 48 char temp[256]; 49 50 if (default_domain) 51 return (default_domain); 52 if (getdomainname(temp, sizeof(temp)) < 0) 53 return (0); 54 if ((int) strlen(temp) > 0) { 55 default_domain = (char *)malloc((strlen(temp)+(unsigned)1)); 56 if (default_domain == 0) 57 return (0); 58 (void) strcpy(default_domain, temp); 59 return (default_domain); 60 } 61 return (0); 62 } 63 64 /* 65 * This is a wrapper for the system call getdomainname which returns a 66 * ypclnt.h error code in the failure case. It also checks to see that 67 * the domain name is non-null, knowing that the null string is going to 68 * get rejected elsewhere in the NIS client package. 69 */ 70 int 71 _rpc_get_default_domain(domain) 72 char **domain; 73 { 74 if ((*domain = get_default_domain()) != 0) 75 return (0); 76 return (-1); 77 } 78