1 /* 2 * lib/krb5/os/realm_dom.c 3 * 4 * Copyright 1990,1991 by the Massachusetts Institute of Technology. 5 * All Rights Reserved. 6 * 7 * Export of this software from the United States of America may 8 * require a specific license from the United States Government. 9 * It is the responsibility of any person or organization contemplating 10 * export to obtain such a license before exporting. 11 * 12 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 13 * distribute this software and its documentation for any purpose and 14 * without fee is hereby granted, provided that the above copyright 15 * notice appear in all copies and that both that copyright notice and 16 * this permission notice appear in supporting documentation, and that 17 * the name of M.I.T. not be used in advertising or publicity pertaining 18 * to distribution of the software without specific, written prior 19 * permission. Furthermore if you modify this software you must label 20 * your software as modified software and not distribute it in such a 21 * fashion that it might be confused with the original M.I.T. software. 22 * M.I.T. makes no representations about the suitability of 23 * this software for any purpose. It is provided "as is" without express 24 * or implied warranty. 25 * 26 * 27 * krb5_get_realm_domain() 28 */ 29 30 31 /* 32 * Determines the proper domain name for a realm. This is mainly so that 33 * a krb4 principal can be converted properly into a krb5 principal. 34 * Currently, the same style of mapping file used in krb4. 35 * 36 * If realm is NULL, this function will assume the default realm 37 * of the local host. 38 * 39 * The returned domain is allocated, and must be freed by the caller. 40 * 41 * This was hacked together from krb5_get_host_realm(). 42 */ 43 44 #include "k5-int.h" 45 #include <ctype.h> 46 #include <stdio.h> 47 48 krb5_error_code KRB5_CALLCONV 49 krb5_get_realm_domain(krb5_context context, const char *realm, char **domain) 50 { 51 krb5_error_code retval; 52 char *temp_domain = 0; 53 54 retval = profile_get_string(context->profile, "realms", realm, 55 "default_domain", realm, &temp_domain); 56 if (!retval && temp_domain) 57 { 58 *domain = malloc(strlen(temp_domain) + 1); 59 if (!*domain) { 60 retval = ENOMEM; 61 } else { 62 strcpy(*domain, temp_domain); 63 } 64 profile_release_string(temp_domain); 65 } 66 return retval; 67 } 68