1 #pragma ident "%Z%%M% %I% %E% SMI" 2 /* 3 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 4 * Use is subject to license terms. 5 */ 6 /* 7 * lib/krb5/krb/set_realm.c 8 * 9 * Copyright 1997 by the Massachusetts Institute of Technology. 10 * All Rights Reserved. 11 * 12 * Export of this software from the United States of America may 13 * require a specific license from the United States Government. 14 * It is the responsibility of any person or organization contemplating 15 * export to obtain such a license before exporting. 16 * 17 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 18 * distribute this software and its documentation for any purpose and 19 * without fee is hereby granted, provided that the above copyright 20 * notice appear in all copies and that both that copyright notice and 21 * this permission notice appear in supporting documentation, and that 22 * the name of M.I.T. not be used in advertising or publicity pertaining 23 * to distribution of the software without specific, written prior 24 * permission. Furthermore if you modify this software you must label 25 * your software as modified software and not distribute it in such a 26 * fashion that it might be confused with the original M.I.T. software. 27 * M.I.T. makes no representations about the suitability of 28 * this software for any purpose. It is provided "as is" without express 29 * or implied warranty. 30 */ 31 32 #include "k5-int.h" 33 34 krb5_error_code KRB5_CALLCONV 35 krb5_set_principal_realm(krb5_context context, krb5_principal principal, const char *realm) 36 { 37 size_t length; 38 char *newrealm; 39 40 if (!realm || !*realm) 41 return EINVAL; 42 43 length = strlen(realm); 44 newrealm = malloc(length+1); /* Include room for the null */ 45 if (!newrealm) 46 return ENOMEM; 47 strcpy(newrealm, realm); 48 49 (void) krb5_xfree(krb5_princ_realm(context,principal)->data); 50 51 krb5_princ_realm(context, principal)->length = length; 52 krb5_princ_realm(context, principal)->data = newrealm; 53 54 return 0; 55 } 56 57 58