ff51fc0d00
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2952 ec53bebd-3082-4978-b11e-865c3cabbd6b
111 lines
3.7 KiB
C
111 lines
3.7 KiB
C
/*
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* Copyright (c) 1997 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kungliga Tekniska
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* Högskolan and its contributors.
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*
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* 4. 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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RCSID("$Id$");
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krb5_error_code
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krb5_build_authenticator (krb5_context context,
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krb5_auth_context auth_context,
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krb5_creds *cred,
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Checksum *cksum,
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Authenticator **auth_result,
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krb5_data *result)
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{
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Authenticator *auth = malloc(sizeof(*auth));
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char buf[1024];
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size_t len;
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krb5_error_code ret;
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auth->authenticator_vno = 5;
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copy_Realm(&cred->client->realm, &auth->crealm);
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copy_PrincipalName(&cred->client->name, &auth->cname);
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{
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int32_t sec, usec;
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krb5_us_timeofday (context, &sec, &usec);
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auth->ctime = sec;
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auth->cusec = usec;
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}
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#if 0
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auth->subkey = NULL;
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#else
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krb5_generate_subkey (context, &cred->session, &auth->subkey);
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free_EncryptionKey (&auth_context->local_subkey);
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copy_EncryptionKey (auth->subkey,
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&auth_context->local_subkey);
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#endif
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if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) {
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krb5_generate_seq_number (context,
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&cred->session,
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&auth_context->local_seqnumber);
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ALLOC(auth->seq_number, 1);
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*auth->seq_number = auth_context->local_seqnumber;
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} else
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auth->seq_number = NULL;
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auth->authorization_data = NULL;
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auth->cksum = cksum;
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/* XXX - Copy more to auth_context? */
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if (auth_context) {
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auth_context->authenticator->ctime = auth->ctime;
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auth_context->authenticator->cusec = auth->cusec;
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}
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memset (buf, 0, sizeof(buf));
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ret = encode_Authenticator (buf + sizeof(buf) - 1, sizeof(buf), auth, &len);
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ret = krb5_encrypt (context, buf + sizeof(buf) - len, len,
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auth_context->enctype,
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&cred->session,
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result);
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if (auth_result)
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*auth_result = auth;
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else {
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/* Don't free the `cksum', it's allocated by the caller */
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auth->cksum = NULL;
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free_Authenticator (auth);
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free (auth);
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}
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return ret;
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}
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