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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