75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/*
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* Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "krb5_locl.h"
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KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
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krb5_build_ap_req (krb5_context context,
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krb5_enctype enctype,
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krb5_creds *cred,
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krb5_flags ap_options,
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krb5_data authenticator,
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krb5_data *retdata)
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{
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krb5_error_code ret = 0;
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AP_REQ ap;
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Ticket t;
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size_t len;
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ap.pvno = 5;
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ap.msg_type = krb_ap_req;
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memset(&ap.ap_options, 0, sizeof(ap.ap_options));
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ap.ap_options.use_session_key = (ap_options & AP_OPTS_USE_SESSION_KEY) > 0;
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ap.ap_options.mutual_required = (ap_options & AP_OPTS_MUTUAL_REQUIRED) > 0;
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ap.ticket.tkt_vno = 5;
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copy_Realm(&cred->server->realm, &ap.ticket.realm);
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copy_PrincipalName(&cred->server->name, &ap.ticket.sname);
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decode_Ticket(cred->ticket.data, cred->ticket.length, &t, &len);
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copy_EncryptedData(&t.enc_part, &ap.ticket.enc_part);
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free_Ticket(&t);
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ap.authenticator.etype = enctype;
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ap.authenticator.kvno = NULL;
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ap.authenticator.cipher = authenticator;
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ASN1_MALLOC_ENCODE(AP_REQ, retdata->data, retdata->length,
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&ap, &len, ret);
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if(ret == 0 && retdata->length != len)
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krb5_abortx(context, "internal error in ASN.1 encoder");
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free_AP_REQ(&ap);
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return ret;
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}
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