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-rw-r--r--Source/charon/asn1/asn1.h172
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diff --git a/Source/charon/asn1/asn1.h b/Source/charon/asn1/asn1.h
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-/**
- * @file asn1.h
- *
- * @brief Definition of asn1_rule_t and other ASN1 stuff.
- *
- */
-
-/*
- * Copyright (C) 2006 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#ifndef ASN1_H_
-#define ASN1_H_
-
-#include <types.h>
-
-typedef enum asn1_type_t asn1_type_t;
-
-/**
- * @brief Real and some special ASN1 types.
- *
- * @ingroup asn1
- */
-enum asn1_type_t {
- /**
- * End of a sequence, set, choice
- */
- ASN1_END = 0x00,
- ASN1_BOOLEAN = 0x01,
- ASN1_INTEGER = 0x02,
- ASN1_BITSTRING = 0x03,
- ASN1_OCTETSTRING = 0x04,
- ASN1_NULL = 0x05,
- ASN1_OID = 0x06,
- ASN1_ENUMERATED = 0x0A,
- ASN1_UTF8STRING = 0x0C,
- ASN1_NUMERICSTRING = 0x12,
- ASN1_PRINTABLESTRING = 0x13,
- ASN1_T61STRING = 0x14,
- ASN1_VIDEOTEXSTRING = 0x15,
- ASN1_IA5STRING = 0x16,
- ASN1_UTCTIME = 0x17,
- ASN1_GENERALIZEDTIME = 0x18,
- ASN1_GRAPHICSTRING = 0x19,
- ASN1_VISIBLESTRING = 0x1A,
- ASN1_GENERALSTRING = 0x1B,
- ASN1_UNIVERSALSTRING = 0x1C,
- ASN1_BMPSTRING = 0x1E,
- ASN1_CONSTRUCTED = 0x20,
- ASN1_SEQUENCE = 0x30,
- ASN1_SET = 0x31,
- /**
- * EXCPLICIT tags
- */
- ASN1_TAG_E_0 = 0xA0,
- ASN1_TAG_E_1 = 0xA1,
- ASN1_TAG_E_2 = 0xA2,
- ASN1_TAG_E_3 = 0xA3,
- ASN1_TAG_E_4 = 0xA4,
- ASN1_TAG_E_5 = 0xA5,
- ASN1_TAG_E_6 = 0xA6,
- ASN1_TAG_E_7 = 0xA7,
- /**
- * IMPLICIT tags
- */
- ASN1_TAG_I_0 = 0x80,
- ASN1_TAG_I_1 = 0x81,
- ASN1_TAG_I_2 = 0x82,
- ASN1_TAG_I_3 = 0x83,
- ASN1_TAG_I_4 = 0x84,
- ASN1_TAG_I_5 = 0x85,
- ASN1_TAG_I_6 = 0x86,
- ASN1_TAG_I_7 = 0x87,
- /**
- * Begin of a choice
- */
- ASN1_CHOICE = 0xFE,
- /**
- * ANY type
- */
- ASN1_ANY = 0xFF,
-};
-
-/**
- * String mappings for asn1_type_t
- */
-extern mapping_t asn1_type_m[];
-
-
-typedef enum asn1_flag_t asn1_flag_t;
-
-/**
- * @brief Flags used to build ASN1 rules.
- *
- * @ingroup asn1
- */
-enum asn1_flag_t {
- /**
- * Field is optional
- */
- ASN1_OPTIONAL = 0x01,
- /**
- * Field has a default value and is therefore optional
- */
- ASN1_DEFAULT = 0x02,
- /**
- * Convert this INTEGER to an mpz_t
- */
- ASN1_MPZ = 0x04,
- /**
- * SEQUENCE or SET OF
- */
- ASN1_OF = 0x08,
- /**
- * Parse this Sequence in a RAW chunk too.
- * Used for crypto calculations...
- */
- ASN1_RAW = 0x10,
-};
-
-/**
- * String mappings for asn1_flag_t
- */
-extern mapping_t asn1_flag_m[];
-
-
-typedef struct asn1_rule_t asn1_rule_t;
-
-/**
- * @brief Single rule of a complet ruleset.
- *
- * This rule containing a type, flags and additional
- * data allow modellation of complex ASN1 structures and
- * allow their en- and decoding...
- *
- * @ingroup asn1
- */
-struct asn1_rule_t {
- /**
- * ASN1 type
- */
- asn1_type_t type;
- /**
- * implicit or explicit tag, if any
- */
- asn1_flag_t flags;
- /**
- * offset of data in structure
- */
- u_int data_offset;
- /**
- * offset to a boolean, which says if optional
- * data is available at data_offset. Used if
- * flags & ASN1_OPTIONAL.
- * default value, used if flags & ASN1_DEFAULT
- */
- u_int additional;
-};
-
-
-#endif /* ASN1_H_ */