155682Smarkm/* 2233294Sstas * Copyright (c) 1997 - 2002 Kungliga Tekniska H��gskolan 3233294Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4233294Sstas * All rights reserved. 555682Smarkm * 6233294Sstas * Redistribution and use in source and binary forms, with or without 7233294Sstas * modification, are permitted provided that the following conditions 8233294Sstas * are met: 955682Smarkm * 10233294Sstas * 1. Redistributions of source code must retain the above copyright 11233294Sstas * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 13233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 14233294Sstas * notice, this list of conditions and the following disclaimer in the 15233294Sstas * documentation and/or other materials provided with the distribution. 1655682Smarkm * 17233294Sstas * 3. Neither the name of the Institute nor the names of its contributors 18233294Sstas * may be used to endorse or promote products derived from this software 19233294Sstas * without specific prior written permission. 2055682Smarkm * 21233294Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25233294Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29233294Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31233294Sstas * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 34233294Sstas#include "krb5_locl.h" 3555682Smarkm 36233294SstasKRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 3755682Smarkmkrb5_build_ap_req (krb5_context context, 3855682Smarkm krb5_enctype enctype, 3955682Smarkm krb5_creds *cred, 4055682Smarkm krb5_flags ap_options, 4155682Smarkm krb5_data authenticator, 4255682Smarkm krb5_data *retdata) 4355682Smarkm{ 4455682Smarkm krb5_error_code ret = 0; 4555682Smarkm AP_REQ ap; 4655682Smarkm Ticket t; 4755682Smarkm size_t len; 48233294Sstas 4955682Smarkm ap.pvno = 5; 5055682Smarkm ap.msg_type = krb_ap_req; 5155682Smarkm memset(&ap.ap_options, 0, sizeof(ap.ap_options)); 5255682Smarkm ap.ap_options.use_session_key = (ap_options & AP_OPTS_USE_SESSION_KEY) > 0; 5355682Smarkm ap.ap_options.mutual_required = (ap_options & AP_OPTS_MUTUAL_REQUIRED) > 0; 54233294Sstas 5555682Smarkm ap.ticket.tkt_vno = 5; 5655682Smarkm copy_Realm(&cred->server->realm, &ap.ticket.realm); 5755682Smarkm copy_PrincipalName(&cred->server->name, &ap.ticket.sname); 5855682Smarkm 5955682Smarkm decode_Ticket(cred->ticket.data, cred->ticket.length, &t, &len); 6055682Smarkm copy_EncryptedData(&t.enc_part, &ap.ticket.enc_part); 6155682Smarkm free_Ticket(&t); 6255682Smarkm 6355682Smarkm ap.authenticator.etype = enctype; 6455682Smarkm ap.authenticator.kvno = NULL; 6555682Smarkm ap.authenticator.cipher = authenticator; 6655682Smarkm 67103423Snectar ASN1_MALLOC_ENCODE(AP_REQ, retdata->data, retdata->length, 68103423Snectar &ap, &len, ret); 69178825Sdfr if(ret == 0 && retdata->length != len) 70178825Sdfr krb5_abortx(context, "internal error in ASN.1 encoder"); 7155682Smarkm free_AP_REQ(&ap); 7255682Smarkm return ret; 73103423Snectar 7455682Smarkm} 75