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