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