Line data    Source code

       1             : /*
       2             :  * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions
       8             :  * are met:
       9             :  *
      10             :  * 1. Redistributions of source code must retain the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer.
      12             :  *
      13             :  * 2. Redistributions in binary form must reproduce the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer in the
      15             :  *    documentation and/or other materials provided with the distribution.
      16             :  *
      17             :  * 3. Neither the name of the Institute nor the names of its contributors
      18             :  *    may be used to endorse or promote products derived from this software
      19             :  *    without specific prior written permission.
      20             :  *
      21             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      22             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      25             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31             :  * SUCH DAMAGE.
      32             :  */
      33             : 
      34             : #include "krb5_locl.h"
      35             : 
      36             : KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
      37       76906 : krb5_build_ap_req (krb5_context context,
      38             :                    krb5_enctype enctype,
      39             :                    krb5_creds *cred,
      40             :                    krb5_flags ap_options,
      41             :                    krb5_data authenticator,
      42             :                    krb5_data *retdata)
      43             : {
      44       76906 :     krb5_error_code ret = 0;
      45        2693 :     AP_REQ ap;
      46        2693 :     size_t len;
      47             : 
      48       76906 :     ap.pvno = 5;
      49       76906 :     ap.msg_type = krb_ap_req;
      50       76906 :     memset(&ap.ap_options, 0, sizeof(ap.ap_options));
      51       76906 :     ap.ap_options.use_session_key = (ap_options & AP_OPTS_USE_SESSION_KEY) > 0;
      52       76906 :     ap.ap_options.mutual_required = (ap_options & AP_OPTS_MUTUAL_REQUIRED) > 0;
      53             : 
      54       76906 :     ret = decode_Ticket(cred->ticket.data, cred->ticket.length, &ap.ticket, &len);
      55       76906 :     if (ret)
      56           0 :         return ret;
      57       76906 :     if (cred->ticket.length != len)
      58           0 :         krb5_abortx(context, "internal error in ASN.1 encoder");
      59       76906 :     ap.authenticator.etype = enctype;
      60       76906 :     ap.authenticator.kvno  = NULL;
      61       76906 :     ap.authenticator.cipher = authenticator;
      62             : 
      63       76906 :     ASN1_MALLOC_ENCODE(AP_REQ, retdata->data, retdata->length, &ap, &len, ret);
      64       76906 :     if (ret == 0 && retdata->length != len)
      65           0 :         krb5_abortx(context, "internal error in ASN.1 encoder");
      66       76906 :     free_AP_REQ(&ap);
      67       76906 :     return ret;
      68             : }