diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/build_ap_req.c')
-rw-r--r-- | crypto/heimdal/lib/krb5/build_ap_req.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/krb5/build_ap_req.c b/crypto/heimdal/lib/krb5/build_ap_req.c new file mode 100644 index 0000000..c8a89ca --- /dev/null +++ b/crypto/heimdal/lib/krb5/build_ap_req.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 1997 - 1999 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: build_ap_req.c,v 1.16 1999/12/02 17:05:07 joda Exp $"); + +krb5_error_code +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; + + retdata->length = length_AP_REQ(&ap); + retdata->data = malloc(retdata->length); + if(retdata->data == NULL) + ret = ENOMEM; + else + encode_AP_REQ((unsigned char *)retdata->data + retdata->length - 1, + retdata->length, &ap, &len); + free_AP_REQ(&ap); + + return ret; +} |