252 lines
6.1 KiB
C
252 lines
6.1 KiB
C
/*
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* Copyright (c) 1998 - 1999 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. 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: codec.c,v 1.6 1999/12/02 17:05:08 joda Exp $");
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/* these functions does what the normal asn.1-functions does, but
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converts the keytype to/from the on-the-wire enctypes */
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#if 1
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#define DECODE(T, K) return decode_ ## T(data, length, t, len)
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#define ENCODE(T, K) return encode_ ## T(data, length, t, len)
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#else
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#define DECODE(T, K) \
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{ \
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krb5_error_code ret; \
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ret = decode_ ## T((void*)data, length, t, len); \
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if(ret) \
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return ret; \
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if(K) \
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ret = krb5_decode_keyblock(context, (K), 1); \
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return ret; \
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}
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#define ENCODE(T, K) \
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{ \
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krb5_error_code ret = 0; \
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if(K) \
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ret = krb5_decode_keyblock(context, (K), 0); \
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if(ret) \
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return ret; \
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return encode_ ## T(data, length, t, len); \
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}
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#endif
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krb5_error_code
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krb5_decode_EncTicketPart (krb5_context context,
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const void *data,
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size_t length,
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EncTicketPart *t,
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size_t *len)
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{
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DECODE(EncTicketPart, &t->key);
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}
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krb5_error_code
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krb5_encode_EncTicketPart (krb5_context context,
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void *data,
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size_t length,
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EncTicketPart *t,
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size_t *len)
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{
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ENCODE(EncTicketPart, &t->key);
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}
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krb5_error_code
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krb5_decode_EncASRepPart (krb5_context context,
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const void *data,
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size_t length,
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EncASRepPart *t,
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size_t *len)
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{
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DECODE(EncASRepPart, &t->key);
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}
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krb5_error_code
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krb5_encode_EncASRepPart (krb5_context context,
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void *data,
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size_t length,
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EncASRepPart *t,
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size_t *len)
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{
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ENCODE(EncASRepPart, &t->key);
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}
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krb5_error_code
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krb5_decode_EncTGSRepPart (krb5_context context,
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const void *data,
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size_t length,
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EncTGSRepPart *t,
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size_t *len)
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{
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DECODE(EncTGSRepPart, &t->key);
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}
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krb5_error_code
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krb5_encode_EncTGSRepPart (krb5_context context,
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void *data,
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size_t length,
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EncTGSRepPart *t,
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size_t *len)
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{
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ENCODE(EncTGSRepPart, &t->key);
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}
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krb5_error_code
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krb5_decode_EncAPRepPart (krb5_context context,
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const void *data,
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size_t length,
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EncAPRepPart *t,
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size_t *len)
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{
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DECODE(EncAPRepPart, t->subkey);
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}
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krb5_error_code
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krb5_encode_EncAPRepPart (krb5_context context,
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void *data,
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size_t length,
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EncAPRepPart *t,
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size_t *len)
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{
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ENCODE(EncAPRepPart, t->subkey);
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}
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krb5_error_code
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krb5_decode_Authenticator (krb5_context context,
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const void *data,
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size_t length,
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Authenticator *t,
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size_t *len)
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{
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DECODE(Authenticator, t->subkey);
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}
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krb5_error_code
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krb5_encode_Authenticator (krb5_context context,
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void *data,
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size_t length,
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Authenticator *t,
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size_t *len)
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{
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ENCODE(Authenticator, t->subkey);
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}
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krb5_error_code
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krb5_decode_EncKrbCredPart (krb5_context context,
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const void *data,
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size_t length,
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EncKrbCredPart *t,
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size_t *len)
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{
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#if 1
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return decode_EncKrbCredPart(data, length, t, len);
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#else
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krb5_error_code ret;
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int i;
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ret = decode_EncKrbCredPart((void*)data, length, t, len);
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if(ret)
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return ret;
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for(i = 0; i < t->ticket_info.len; i++)
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if((ret = krb5_decode_keyblock(context, &t->ticket_info.val[i].key, 1)))
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break;
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return ret;
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#endif
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}
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krb5_error_code
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krb5_encode_EncKrbCredPart (krb5_context context,
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void *data,
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size_t length,
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EncKrbCredPart *t,
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size_t *len)
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{
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#if 0
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krb5_error_code ret = 0;
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int i;
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for(i = 0; i < t->ticket_info.len; i++)
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if((ret = krb5_decode_keyblock(context, &t->ticket_info.val[i].key, 0)))
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break;
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if(ret) return ret;
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#endif
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return encode_EncKrbCredPart (data, length, t, len);
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}
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krb5_error_code
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krb5_decode_ETYPE_INFO (krb5_context context,
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const void *data,
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size_t length,
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ETYPE_INFO *t,
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size_t *len)
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{
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#if 1
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return decode_ETYPE_INFO(data, length, t, len);
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#else
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krb5_error_code ret;
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int i;
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ret = decode_ETYPE_INFO((void*)data, length, t, len);
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if(ret)
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return ret;
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for(i = 0; i < t->len; i++) {
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if((ret = krb5_decode_keytype(context, &t->val[i].etype, 1)))
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break;
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}
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return ret;
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#endif
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}
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krb5_error_code
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krb5_encode_ETYPE_INFO (krb5_context context,
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void *data,
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size_t length,
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ETYPE_INFO *t,
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size_t *len)
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{
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#if 0
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krb5_error_code ret = 0;
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int i;
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/* XXX this will break, since we need one key-info for each enctype */
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/* XXX or do we? */
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for(i = 0; i < t->len; i++)
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if((ret = krb5_decode_keytype(context, &t->val[i].etype, 0)))
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break;
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if(ret) return ret;
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#endif
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return encode_ETYPE_INFO (data, length, t, len);
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}
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