1*ebfedea0SLionel Sambuc /* $NetBSD: build_ap_req.c,v 1.1.1.1 2011/04/13 18:15:31 elric Exp $ */
2*ebfedea0SLionel Sambuc
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc * All rights reserved.
7*ebfedea0SLionel Sambuc *
8*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
9*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
10*ebfedea0SLionel Sambuc * are met:
11*ebfedea0SLionel Sambuc *
12*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
13*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
14*ebfedea0SLionel Sambuc *
15*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
18*ebfedea0SLionel Sambuc *
19*ebfedea0SLionel Sambuc * 3. Neither the name of the Institute nor the names of its contributors
20*ebfedea0SLionel Sambuc * may be used to endorse or promote products derived from this software
21*ebfedea0SLionel Sambuc * without specific prior written permission.
22*ebfedea0SLionel Sambuc *
23*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24*ebfedea0SLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*ebfedea0SLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*ebfedea0SLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27*ebfedea0SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*ebfedea0SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*ebfedea0SLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*ebfedea0SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*ebfedea0SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*ebfedea0SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*ebfedea0SLionel Sambuc * SUCH DAMAGE.
34*ebfedea0SLionel Sambuc */
35*ebfedea0SLionel Sambuc
36*ebfedea0SLionel Sambuc #include "krb5_locl.h"
37*ebfedea0SLionel Sambuc
38*ebfedea0SLionel Sambuc KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_build_ap_req(krb5_context context,krb5_enctype enctype,krb5_creds * cred,krb5_flags ap_options,krb5_data authenticator,krb5_data * retdata)39*ebfedea0SLionel Sambuc krb5_build_ap_req (krb5_context context,
40*ebfedea0SLionel Sambuc krb5_enctype enctype,
41*ebfedea0SLionel Sambuc krb5_creds *cred,
42*ebfedea0SLionel Sambuc krb5_flags ap_options,
43*ebfedea0SLionel Sambuc krb5_data authenticator,
44*ebfedea0SLionel Sambuc krb5_data *retdata)
45*ebfedea0SLionel Sambuc {
46*ebfedea0SLionel Sambuc krb5_error_code ret = 0;
47*ebfedea0SLionel Sambuc AP_REQ ap;
48*ebfedea0SLionel Sambuc Ticket t;
49*ebfedea0SLionel Sambuc size_t len;
50*ebfedea0SLionel Sambuc
51*ebfedea0SLionel Sambuc ap.pvno = 5;
52*ebfedea0SLionel Sambuc ap.msg_type = krb_ap_req;
53*ebfedea0SLionel Sambuc memset(&ap.ap_options, 0, sizeof(ap.ap_options));
54*ebfedea0SLionel Sambuc ap.ap_options.use_session_key = (ap_options & AP_OPTS_USE_SESSION_KEY) > 0;
55*ebfedea0SLionel Sambuc ap.ap_options.mutual_required = (ap_options & AP_OPTS_MUTUAL_REQUIRED) > 0;
56*ebfedea0SLionel Sambuc
57*ebfedea0SLionel Sambuc ap.ticket.tkt_vno = 5;
58*ebfedea0SLionel Sambuc copy_Realm(&cred->server->realm, &ap.ticket.realm);
59*ebfedea0SLionel Sambuc copy_PrincipalName(&cred->server->name, &ap.ticket.sname);
60*ebfedea0SLionel Sambuc
61*ebfedea0SLionel Sambuc decode_Ticket(cred->ticket.data, cred->ticket.length, &t, &len);
62*ebfedea0SLionel Sambuc copy_EncryptedData(&t.enc_part, &ap.ticket.enc_part);
63*ebfedea0SLionel Sambuc free_Ticket(&t);
64*ebfedea0SLionel Sambuc
65*ebfedea0SLionel Sambuc ap.authenticator.etype = enctype;
66*ebfedea0SLionel Sambuc ap.authenticator.kvno = NULL;
67*ebfedea0SLionel Sambuc ap.authenticator.cipher = authenticator;
68*ebfedea0SLionel Sambuc
69*ebfedea0SLionel Sambuc ASN1_MALLOC_ENCODE(AP_REQ, retdata->data, retdata->length,
70*ebfedea0SLionel Sambuc &ap, &len, ret);
71*ebfedea0SLionel Sambuc if(ret == 0 && retdata->length != len)
72*ebfedea0SLionel Sambuc krb5_abortx(context, "internal error in ASN.1 encoder");
73*ebfedea0SLionel Sambuc free_AP_REQ(&ap);
74*ebfedea0SLionel Sambuc return ret;
75*ebfedea0SLionel Sambuc
76*ebfedea0SLionel Sambuc }
77