1 /* 2 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 /* 6 * lib/krb5/krb/set_realm.c 7 * 8 * Copyright 1997 by the Massachusetts Institute of Technology. 9 * All Rights Reserved. 10 * 11 * Export of this software from the United States of America may 12 * require a specific license from the United States Government. 13 * It is the responsibility of any person or organization contemplating 14 * export to obtain such a license before exporting. 15 * 16 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 17 * distribute this software and its documentation for any purpose and 18 * without fee is hereby granted, provided that the above copyright 19 * notice appear in all copies and that both that copyright notice and 20 * this permission notice appear in supporting documentation, and that 21 * the name of M.I.T. not be used in advertising or publicity pertaining 22 * to distribution of the software without specific, written prior 23 * permission. Furthermore if you modify this software you must label 24 * your software as modified software and not distribute it in such a 25 * fashion that it might be confused with the original M.I.T. software. 26 * M.I.T. makes no representations about the suitability of 27 * this software for any purpose. It is provided "as is" without express 28 * or implied warranty. 29 */ 30 31 #include "k5-int.h" 32 33 krb5_error_code KRB5_CALLCONV 34 krb5_set_principal_realm(krb5_context context, krb5_principal principal, const char *realm) 35 { 36 size_t length; 37 char *newrealm; 38 39 if (!realm || !*realm) 40 return EINVAL; /* Solaris Kerberos */ 41 42 length = strlen(realm); 43 newrealm = malloc(length+1); /* Include room for the null */ 44 if (!newrealm) 45 return ENOMEM; /* Solaris Kerberos */ 46 strcpy(newrealm, realm); 47 48 (void) krb5_xfree(krb5_princ_realm(context,principal)->data); 49 50 krb5_princ_realm(context, principal)->length = length; 51 krb5_princ_realm(context, principal)->data = newrealm; 52 53 return 0; 54 } 55 56 57