5a32a5c8e7
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2389 ec53bebd-3082-4978-b11e-865c3cabbd6b
87 lines
3.2 KiB
C
87 lines
3.2 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_mk_rep(krb5_context context,
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krb5_auth_context *auth_context,
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krb5_data *outbuf)
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{
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krb5_error_code ret;
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AP_REP ap;
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EncAPRepPart body;
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u_char buf[1024], *p;
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size_t len;
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des_cblock key;
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des_key_schedule schedule;
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ap.pvno = 5;
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ap.msg_type = krb_ap_rep;
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body.ctime = (*auth_context)->authenticator->ctime;
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body.cusec = (*auth_context)->authenticator->cusec;
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body.subkey = NULL;
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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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&(*auth_context)->key,
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&(*auth_context)->local_seqnumber);
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body.seq_number = malloc (sizeof(*body.seq_number));
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*(body.seq_number) = (*auth_context)->local_seqnumber;
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} else
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body.seq_number = NULL;
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ap.enc_part.etype = (*auth_context)->key.keytype;
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ap.enc_part.kvno = NULL;
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encode_EncAPRepPart (buf + sizeof(buf) - 1, sizeof(buf), &body, &len);
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ret = krb5_encrypt (context, buf + sizeof(buf) - len, len,
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ap.enc_part.etype,
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&(*auth_context)->key, &ap.enc_part.cipher);
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if (ret)
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return ret;
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encode_AP_REP (buf + sizeof(buf) - 1, sizeof(buf), &ap, &len);
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free (ap.enc_part.cipher.data);
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outbuf->length = len;
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outbuf->data = malloc(len);
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memcpy(outbuf->data, buf + sizeof(buf) - len, len);
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return 0;
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}
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