1226031Sstas/* 2226031Sstas * Copyright (c) 1997 - 2006 Kungliga Tekniska H�gskolan 3226031Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4226031Sstas * All rights reserved. 5226031Sstas * 6226031Sstas * Portions Copyright (c) 2009 Apple Inc. All rights reserved. 7226031Sstas * 8226031Sstas * Redistribution and use in source and binary forms, with or without 9226031Sstas * modification, are permitted provided that the following conditions 10226031Sstas * are met: 11226031Sstas * 12226031Sstas * 1. Redistributions of source code must retain the above copyright 13226031Sstas * notice, this list of conditions and the following disclaimer. 14226031Sstas * 15226031Sstas * 2. Redistributions in binary form must reproduce the above copyright 16226031Sstas * notice, this list of conditions and the following disclaimer in the 17226031Sstas * documentation and/or other materials provided with the distribution. 18226031Sstas * 19226031Sstas * 3. Neither the name of the Institute nor the names of its contributors 20226031Sstas * may be used to endorse or promote products derived from this software 21226031Sstas * without specific prior written permission. 22226031Sstas * 23226031Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24226031Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25226031Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26226031Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27226031Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28226031Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29226031Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30226031Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31226031Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32226031Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33226031Sstas * SUCH DAMAGE. 34226031Sstas */ 35226031Sstas 36226031Sstas/* asn1 templates */ 37226031Sstas 38226031Sstas#ifndef __TEMPLATE_H__ 39226031Sstas#define __TEMPLATE_H__ 40226031Sstas 41226031Sstas/* tag: 42226031Sstas * 0..20 tag 43226031Sstas * 21 type 44226031Sstas * 22..23 class 45226031Sstas * 24..27 flags 46226031Sstas * 28..31 op 47226031Sstas */ 48226031Sstas 49226031Sstas/* parse: 50226031Sstas * 0..11 type 51226031Sstas * 12..23 unused 52226031Sstas * 24..27 flags 53226031Sstas * 28..31 op 54226031Sstas */ 55226031Sstas 56226031Sstas#define A1_OP_MASK (0xf0000000) 57226031Sstas#define A1_OP_TYPE (0x10000000) 58226031Sstas#define A1_OP_TYPE_EXTERN (0x20000000) 59226031Sstas#define A1_OP_TAG (0x30000000) 60226031Sstas#define A1_OP_PARSE (0x40000000) 61226031Sstas#define A1_OP_SEQOF (0x50000000) 62226031Sstas#define A1_OP_SETOF (0x60000000) 63226031Sstas#define A1_OP_BMEMBER (0x70000000) 64226031Sstas#define A1_OP_CHOICE (0x80000000) 65226031Sstas 66226031Sstas#define A1_FLAG_MASK (0x0f000000) 67226031Sstas#define A1_FLAG_OPTIONAL (0x01000000) 68226031Sstas#define A1_FLAG_IMPLICIT (0x02000000) 69226031Sstas 70226031Sstas#define A1_TAG_T(CLASS,TYPE,TAG) ((A1_OP_TAG) | (((CLASS) << 22) | ((TYPE) << 21) | (TAG))) 71226031Sstas#define A1_TAG_CLASS(x) (((x) >> 22) & 0x3) 72226031Sstas#define A1_TAG_TYPE(x) (((x) >> 21) & 0x1) 73226031Sstas#define A1_TAG_TAG(x) ((x) & 0x1fffff) 74226031Sstas 75226031Sstas#define A1_TAG_LEN(t) ((uintptr_t)(t)->ptr) 76226031Sstas#define A1_HEADER_LEN(t) ((uintptr_t)(t)->ptr) 77226031Sstas 78226031Sstas#define A1_PARSE_T(type) ((A1_OP_PARSE) | (type)) 79226031Sstas#define A1_PARSE_TYPE_MASK 0xfff 80226031Sstas#define A1_PARSE_TYPE(x) (A1_PARSE_TYPE_MASK & (x)) 81226031Sstas 82226031Sstas#define A1_PF_INDEFINTE 0x1 83226031Sstas#define A1_PF_ALLOW_BER 0x2 84226031Sstas 85226031Sstas#define A1_HF_PRESERVE 0x1 86226031Sstas#define A1_HF_ELLIPSIS 0x2 87226031Sstas 88226031Sstas#define A1_HBF_RFC1510 0x1 89226031Sstas 90226031Sstas 91226031Sstasstruct asn1_template { 92226031Sstas uint32_t tt; 93226031Sstas size_t offset; 94226031Sstas const void *ptr; 95226031Sstas}; 96226031Sstas 97226031Sstastypedef int (*asn1_type_decode)(const unsigned char *, size_t, void *, size_t *); 98226031Sstastypedef int (*asn1_type_encode)(unsigned char *, size_t, const void *, size_t *); 99226031Sstastypedef size_t (*asn1_type_length)(const void *); 100226031Sstastypedef void (*asn1_type_release)(void *); 101226031Sstastypedef int (*asn1_type_copy)(const void *, void *); 102226031Sstas 103226031Sstasstruct asn1_type_func { 104226031Sstas asn1_type_encode encode; 105226031Sstas asn1_type_decode decode; 106226031Sstas asn1_type_length length; 107226031Sstas asn1_type_copy copy; 108226031Sstas asn1_type_release release; 109226031Sstas size_t size; 110226031Sstas}; 111226031Sstas 112226031Sstasstruct template_of { 113226031Sstas unsigned int len; 114226031Sstas void *val; 115226031Sstas}; 116226031Sstas 117226031Sstasenum template_types { 118226031Sstas A1T_IMEMBER = 0, 119226031Sstas A1T_HEIM_INTEGER, 120226031Sstas A1T_INTEGER, 121226031Sstas A1T_UNSIGNED, 122226031Sstas A1T_GENERAL_STRING, 123226031Sstas A1T_OCTET_STRING, 124226031Sstas A1T_OCTET_STRING_BER, 125226031Sstas A1T_IA5_STRING, 126226031Sstas A1T_BMP_STRING, 127226031Sstas A1T_UNIVERSAL_STRING, 128226031Sstas A1T_PRINTABLE_STRING, 129226031Sstas A1T_VISIBLE_STRING, 130226031Sstas A1T_UTF8_STRING, 131226031Sstas A1T_GENERALIZED_TIME, 132226031Sstas A1T_UTC_TIME, 133226031Sstas A1T_HEIM_BIT_STRING, 134226031Sstas A1T_BOOLEAN, 135226031Sstas A1T_OID, 136226031Sstas A1T_TELETEX_STRING, 137226031Sstas A1T_NULL 138226031Sstas}; 139226031Sstas 140226031Sstas 141226031Sstas#endif 142