crypto/external/bsd/netpgp/dist/src/lib/validate.h

   1 /*-
   2  * Copyright (c) 2009 The NetBSD Foundation, Inc.
   3  * All rights reserved.
   4  *
   5  * This code is derived from software contributed to The NetBSD Foundation
   6  * by Alistair Crooks (agc@NetBSD.org)
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29 /*
  30  * Copyright (c) 2005-2008 Nominet UK (www.nic.uk)
  31  * All rights reserved.
  32  * Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted
  33  * their moral rights under the UK Copyright Design and Patents Act 1988 to
  34  * be recorded as the authors of this copyright work.
  35  *
  36  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  37  * use this file except in compliance with the License.
  38  *
  39  * You may obtain a copy of the License at
  40  *     http://www.apache.org/licenses/LICENSE-2.0
  41  *
  42  * Unless required by applicable law or agreed to in writing, software
  43  * distributed under the License is distributed on an "AS IS" BASIS,
  44  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  45  *
  46  * See the License for the specific language governing permissions and
  47  * limitations under the License.
  48  */
  49 #ifndef VALIDATE_H_
  50 #define VALIDATE_H_     1
  51
  52 typedef struct {
  53         const __ops_key_t       *key;
  54         unsigned                 packet;
  55         unsigned                 offset;
  56 } validate_reader_t;
  57
  58 /** Struct used with the validate_key_cb callback */
  59 typedef struct {
  60         __ops_pubkey_t           pubkey;
  61         __ops_pubkey_t           subkey;
  62         __ops_seckey_t           seckey;
  63         enum {
  64                 ATTRIBUTE = 1,
  65                 ID
  66         }                        last_seen;
  67         __ops_userid_t           userid;
  68         __ops_userattr_t         userattr;
  69         unsigned char            hash[OPS_MAX_HASH_SIZE];
  70         const __ops_keyring_t   *keyring;
  71         validate_reader_t       *reader;
  72         __ops_validation_t      *result;
  73         __ops_cb_ret_t(*getpassphrase) (const __ops_packet_t *,
  74                                                 __ops_cbdata_t *);
  75 } validate_key_cb_t;
  76
  77 /** Struct use with the validate_data_cb callback */
  78 typedef struct {
  79         enum {
  80                 LITDATA,
  81                 SIGNED_CLEARTEXT
  82         } type;
  83         union {
  84                 __ops_litdata_body_t     litdata_body;
  85                 __ops_cleartext_body_t   cleartext_body;
  86         } data;
  87         unsigned char                    hash[OPS_MAX_HASH_SIZE];
  88         __ops_memory_t                  *mem;
  89         const __ops_keyring_t           *keyring;
  90         validate_reader_t               *reader;/* reader-specific arg */
  91         __ops_validation_t              *result;
  92         char                            *detachname;
  93 } validate_data_cb_t;
  94
  95 void __ops_keydata_reader_set(__ops_stream_t *, const __ops_key_t *);
  96
  97 __ops_cb_ret_t __ops_validate_key_cb(const __ops_packet_t *, __ops_cbdata_t *);
  98
  99 unsigned   __ops_validate_file(__ops_io_t *,
 100                         __ops_validation_t *,
 101                         const char *,
 102                         const char *,
 103                         const int,
 104                         const __ops_keyring_t *);
 105
 106 unsigned   __ops_validate_mem(__ops_io_t *,
 107                         __ops_validation_t *,
 108                         __ops_memory_t *,
 109                         __ops_memory_t **,
 110                         const int,
 111                         const __ops_keyring_t *);
 112
 113 __ops_cb_ret_t validate_data_cb(const __ops_packet_t *, __ops_cbdata_t *);
 114
 115 #endif /* !VALIDATE_H_ */