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/*
* Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Portions Copyright (c) 2009 Apple Inc. 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.
*/
/* asn1 templates */
#ifndef __TEMPLATE_H__
#define __TEMPLATE_H__
/* tag:
* 0..20 tag
* 21 type
* 22..23 class
* 24..27 flags
* 28..31 op
*/
/* parse:
* 0..11 type
* 12..23 unused
* 24..27 flags
* 28..31 op
*/
#define A1_OP_MASK (0xf0000000)
#define A1_OP_TYPE (0x10000000)
#define A1_OP_TYPE_EXTERN (0x20000000)
#define A1_OP_TAG (0x30000000)
#define A1_OP_PARSE (0x40000000)
#define A1_OP_SEQOF (0x50000000)
#define A1_OP_SETOF (0x60000000)
#define A1_OP_BMEMBER (0x70000000)
#define A1_OP_CHOICE (0x80000000)
#define A1_FLAG_MASK (0x0f000000)
#define A1_FLAG_OPTIONAL (0x01000000)
#define A1_FLAG_IMPLICIT (0x02000000)
#define A1_TAG_T(CLASS,TYPE,TAG) ((A1_OP_TAG) | (((CLASS) << 22) | ((TYPE) << 21) | (TAG)))
#define A1_TAG_CLASS(x) (((x) >> 22) & 0x3)
#define A1_TAG_TYPE(x) (((x) >> 21) & 0x1)
#define A1_TAG_TAG(x) ((x) & 0x1fffff)
#define A1_TAG_LEN(t) ((uintptr_t)(t)->ptr)
#define A1_HEADER_LEN(t) ((uintptr_t)(t)->ptr)
#define A1_PARSE_T(type) ((A1_OP_PARSE) | (type))
#define A1_PARSE_TYPE_MASK 0xfff
#define A1_PARSE_TYPE(x) (A1_PARSE_TYPE_MASK & (x))
#define A1_PF_INDEFINTE 0x1
#define A1_PF_ALLOW_BER 0x2
#define A1_HF_PRESERVE 0x1
#define A1_HF_ELLIPSIS 0x2
#define A1_HBF_RFC1510 0x1
struct asn1_template {
uint32_t tt;
size_t offset;
const void *ptr;
};
typedef int (*asn1_type_decode)(const unsigned char *, size_t, void *, size_t *);
typedef int (*asn1_type_encode)(unsigned char *, size_t, const void *, size_t *);
typedef size_t (*asn1_type_length)(const void *);
typedef void (*asn1_type_release)(void *);
typedef int (*asn1_type_copy)(const void *, void *);
struct asn1_type_func {
asn1_type_encode encode;
asn1_type_decode decode;
asn1_type_length length;
asn1_type_copy copy;
asn1_type_release release;
size_t size;
};
struct template_of {
unsigned int len;
void *val;
};
enum template_types {
A1T_IMEMBER = 0,
A1T_HEIM_INTEGER,
A1T_INTEGER,
A1T_UNSIGNED,
A1T_GENERAL_STRING,
A1T_OCTET_STRING,
A1T_OCTET_STRING_BER,
A1T_IA5_STRING,
A1T_BMP_STRING,
A1T_UNIVERSAL_STRING,
A1T_PRINTABLE_STRING,
A1T_VISIBLE_STRING,
A1T_UTF8_STRING,
A1T_GENERALIZED_TIME,
A1T_UTC_TIME,
A1T_HEIM_BIT_STRING,
A1T_BOOLEAN,
A1T_OID,
A1T_TELETEX_STRING,
A1T_NULL
};
#endif
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