[453] | 1 | /* asn1.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2020 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL.
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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| 20 | */
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| 21 |
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| 22 | /* asn1.h for openssl */
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| 23 |
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| 24 | #ifndef WOLFSSL_ASN1_H_
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| 25 | #define WOLFSSL_ASN1_H_
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| 26 |
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| 27 | #include <wolfssl/openssl/ssl.h>
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| 28 |
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| 29 | #define ASN1_STRING_new wolfSSL_ASN1_STRING_new
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| 30 | #define ASN1_STRING_type_new wolfSSL_ASN1_STRING_type_new
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| 31 | #define ASN1_STRING_type wolfSSL_ASN1_STRING_type
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| 32 | #define ASN1_STRING_set wolfSSL_ASN1_STRING_set
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| 33 | #define ASN1_STRING_free wolfSSL_ASN1_STRING_free
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| 34 |
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| 35 | #define V_ASN1_INTEGER 0x02
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| 36 | #define V_ASN1_OCTET_STRING 0x04 /* tag for ASN1_OCTET_STRING */
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| 37 | #define V_ASN1_NEG 0x100
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| 38 | #define V_ASN1_NEG_INTEGER (2 | V_ASN1_NEG)
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| 39 | #define V_ASN1_NEG_ENUMERATED (10 | V_ASN1_NEG)
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| 40 |
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| 41 | /* Type for ASN1_print_ex */
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| 42 | # define ASN1_STRFLGS_ESC_2253 1
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| 43 | # define ASN1_STRFLGS_ESC_CTRL 2
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| 44 | # define ASN1_STRFLGS_ESC_MSB 4
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| 45 | # define ASN1_STRFLGS_ESC_QUOTE 8
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| 46 | # define ASN1_STRFLGS_UTF8_CONVERT 0x10
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| 47 | # define ASN1_STRFLGS_IGNORE_TYPE 0x20
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| 48 | # define ASN1_STRFLGS_SHOW_TYPE 0x40
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| 49 | # define ASN1_STRFLGS_DUMP_ALL 0x80
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| 50 | # define ASN1_STRFLGS_DUMP_UNKNOWN 0x100
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| 51 | # define ASN1_STRFLGS_DUMP_DER 0x200
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| 52 | # define ASN1_STRFLGS_RFC2253 (ASN1_STRFLGS_ESC_2253 | \
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| 53 | ASN1_STRFLGS_ESC_CTRL | \
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| 54 | ASN1_STRFLGS_ESC_MSB | \
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| 55 | ASN1_STRFLGS_UTF8_CONVERT | \
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| 56 | ASN1_STRFLGS_DUMP_UNKNOWN | \
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| 57 | ASN1_STRFLGS_DUMP_DER)
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| 58 |
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| 59 | #define MBSTRING_UTF8 0x1000
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| 60 | #define MBSTRING_ASC 0x1001
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| 61 | #define MBSTRING_BMP 0x1002
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| 62 | #define MBSTRING_UNIV 0x1004
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| 63 |
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| 64 | #define ASN1_UTCTIME_print wolfSSL_ASN1_UTCTIME_print
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| 65 | #define ASN1_TIME_check wolfSSL_ASN1_TIME_check
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| 66 | #define ASN1_TIME_diff wolfSSL_ASN1_TIME_diff
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| 67 | #define ASN1_TIME_set wolfSSL_ASN1_TIME_set
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| 68 |
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| 69 | #define V_ASN1_OBJECT 6
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| 70 | #define V_ASN1_UTCTIME 23
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| 71 | #define V_ASN1_GENERALIZEDTIME 24
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| 72 |
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| 73 | #define ASN1_STRING_FLAG_BITS_LEFT 0x008
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| 74 | #define ASN1_STRING_FLAG_NDEF 0x010
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| 75 | #define ASN1_STRING_FLAG_CONT 0x020
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| 76 | #define ASN1_STRING_FLAG_MSTRING 0x040
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| 77 | #define ASN1_STRING_FLAG_EMBED 0x080
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| 78 |
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| 79 |
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| 80 | WOLFSSL_API WOLFSSL_ASN1_INTEGER *wolfSSL_BN_to_ASN1_INTEGER(
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| 81 | const WOLFSSL_BIGNUM*, WOLFSSL_ASN1_INTEGER*);
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| 82 |
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| 83 | WOLFSSL_API void wolfSSL_ASN1_TYPE_set(WOLFSSL_ASN1_TYPE *a, int type, void *value);
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| 84 |
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| 85 | #ifdef OPENSSL_ALL
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| 86 | /* IMPLEMENT_ASN1_FUNCTIONS is strictly for external use only. Internally
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| 87 | * we don't use this. Some projects use OpenSSL to implement ASN1 types and
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| 88 | * this section is only to provide those projects with ASN1 functionality. */
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| 89 | typedef struct {
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| 90 | size_t offset; /* Offset of this field in structure */
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| 91 | byte type; /* The type of the member as defined in
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| 92 | * WOLFSSL_ASN1_TYPES */
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| 93 | } WOLFSSL_ASN1_TEMPLATE;
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| 94 |
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| 95 | typedef struct {
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| 96 | byte type; /* One of the ASN_Tags types */
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| 97 | const WOLFSSL_ASN1_TEMPLATE *members; /* If SEQUENCE or CHOICE this
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| 98 | * contains the contents */
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| 99 | size_t mcount; /* Number of members if SEQUENCE
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| 100 | * or CHOICE */
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| 101 | size_t size; /* Structure size */
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| 102 | } WOLFSSL_ASN1_ITEM;
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| 103 |
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| 104 | typedef enum {
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| 105 | WOLFSSL_X509_ALGOR_ASN1 = 0,
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| 106 | WOLFSSL_ASN1_BIT_STRING_ASN1,
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| 107 | } WOLFSSL_ASN1_TYPES;
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| 108 |
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| 109 | #define ASN1_SEQUENCE(type) \
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| 110 | static const type __##type##_dummy_struct;\
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| 111 | static const WOLFSSL_ASN1_TEMPLATE type##_member_data[]
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| 112 |
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| 113 | #define ASN1_SIMPLE(type, member, member_type) \
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| 114 | { (char*)&__##type##_dummy_struct.member - (char*)&__##type##_dummy_struct, \
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| 115 | WOLFSSL_##member_type##_ASN1 }
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| 116 |
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| 117 | #define ASN1_SEQUENCE_END(type) \
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| 118 | ; \
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| 119 | const WOLFSSL_ASN1_ITEM type##_template_data = { \
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| 120 | ASN_SEQUENCE, \
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| 121 | type##_member_data, \
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| 122 | sizeof(type##_member_data) / sizeof(WOLFSSL_ASN1_TEMPLATE), \
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| 123 | sizeof(type) \
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| 124 | };
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| 125 |
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| 126 | WOLFSSL_API void *wolfSSL_ASN1_item_new(const WOLFSSL_ASN1_ITEM *template);
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| 127 | WOLFSSL_API void wolfSSL_ASN1_item_free(void *val, const WOLFSSL_ASN1_ITEM *template);
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| 128 | WOLFSSL_API int wolfSSL_ASN1_item_i2d(const void *src, byte **dest,
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| 129 | const WOLFSSL_ASN1_ITEM *template);
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| 130 |
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| 131 | /* Need function declaration otherwise compiler complains */
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| 132 | #define IMPLEMENT_ASN1_FUNCTIONS(type) \
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| 133 | type *type##_new(void); \
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| 134 | type *type##_new(void){ \
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| 135 | return (type*)wolfSSL_ASN1_item_new(&type##_template_data); \
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| 136 | } \
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| 137 | void type##_free(type *t); \
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| 138 | void type##_free(type *t){ \
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| 139 | wolfSSL_ASN1_item_free(t, &type##_template_data); \
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| 140 | } \
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| 141 | int i2d_##type(type *src, byte **dest); \
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| 142 | int i2d_##type(type *src, byte **dest) \
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| 143 | { \
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| 144 | return wolfSSL_ASN1_item_i2d(src, dest, &type##_template_data);\
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| 145 | }
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| 146 |
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| 147 | #endif /* OPENSSL_ALL */
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| 148 |
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| 149 | #define BN_to_ASN1_INTEGER wolfSSL_BN_to_ASN1_INTEGER
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| 150 | #define ASN1_TYPE_set wolfSSL_ASN1_TYPE_set
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| 151 |
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| 152 | #endif /* WOLFSSL_ASN1_H_ */
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