[a1bae3e] | 1 | /* asn1t.h */ |
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| 2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL |
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| 3 | * project 2000. |
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| 4 | */ |
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| 5 | /* ==================================================================== |
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| 6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
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| 7 | * |
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| 8 | * Redistribution and use in source and binary forms, with or without |
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| 9 | * modification, are permitted provided that the following conditions |
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| 10 | * are met: |
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| 11 | * |
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| 12 | * 1. Redistributions of source code must retain the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer. |
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| 14 | * |
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 16 | * notice, this list of conditions and the following disclaimer in |
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| 17 | * the documentation and/or other materials provided with the |
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| 18 | * distribution. |
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| 19 | * |
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| 20 | * 3. All advertising materials mentioning features or use of this |
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| 21 | * software must display the following acknowledgment: |
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| 22 | * "This product includes software developed by the OpenSSL Project |
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| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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| 24 | * |
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| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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| 26 | * endorse or promote products derived from this software without |
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| 27 | * prior written permission. For written permission, please contact |
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| 28 | * licensing@OpenSSL.org. |
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| 29 | * |
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| 30 | * 5. Products derived from this software may not be called "OpenSSL" |
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| 31 | * nor may "OpenSSL" appear in their names without prior written |
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| 32 | * permission of the OpenSSL Project. |
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| 33 | * |
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| 34 | * 6. Redistributions of any form whatsoever must retain the following |
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| 35 | * acknowledgment: |
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| 36 | * "This product includes software developed by the OpenSSL Project |
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| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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| 38 | * |
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| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 51 | * ==================================================================== |
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| 52 | * |
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| 53 | * This product includes cryptographic software written by Eric Young |
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| 54 | * (eay@cryptsoft.com). This product includes software written by Tim |
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| 55 | * Hudson (tjh@cryptsoft.com). |
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| 56 | * |
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| 57 | */ |
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| 58 | #ifndef HEADER_ASN1T_H |
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| 59 | #define HEADER_ASN1T_H |
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| 60 | |
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| 61 | #include <stddef.h> |
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| 62 | #include <openssl/e_os2.h> |
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| 63 | #include <openssl/asn1.h> |
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| 64 | |
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| 65 | #ifdef OPENSSL_BUILD_SHLIBCRYPTO |
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| 66 | # undef OPENSSL_EXTERN |
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| 67 | # define OPENSSL_EXTERN OPENSSL_EXPORT |
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| 68 | #endif |
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| 69 | |
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| 70 | /* ASN1 template defines, structures and functions */ |
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| 71 | |
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| 72 | #ifdef __cplusplus |
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| 73 | extern "C" { |
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| 74 | #endif |
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| 75 | |
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| 76 | |
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| 77 | #ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION |
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| 78 | |
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| 79 | /* Macro to obtain ASN1_ADB pointer from a type (only used internally) */ |
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| 80 | #define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr)) |
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| 81 | |
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| 82 | |
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| 83 | /* Macros for start and end of ASN1_ITEM definition */ |
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| 84 | |
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| 85 | #define ASN1_ITEM_start(itname) \ |
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| 86 | OPENSSL_GLOBAL const ASN1_ITEM itname##_it = { |
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| 87 | |
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| 88 | #define ASN1_ITEM_end(itname) \ |
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| 89 | }; |
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| 90 | |
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| 91 | #else |
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| 92 | |
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| 93 | /* Macro to obtain ASN1_ADB pointer from a type (only used internally) */ |
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| 94 | #define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr())) |
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| 95 | |
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| 96 | |
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| 97 | /* Macros for start and end of ASN1_ITEM definition */ |
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| 98 | |
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| 99 | #define ASN1_ITEM_start(itname) \ |
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| 100 | const ASN1_ITEM * itname##_it(void) \ |
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| 101 | { \ |
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| 102 | static const ASN1_ITEM local_it = { \ |
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| 103 | |
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| 104 | #define ASN1_ITEM_end(itname) \ |
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| 105 | }; \ |
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| 106 | return &local_it; \ |
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| 107 | } |
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| 108 | |
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| 109 | #endif |
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| 110 | |
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| 111 | |
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| 112 | /* Macros to aid ASN1 template writing */ |
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| 113 | |
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| 114 | #define ASN1_ITEM_TEMPLATE(tname) \ |
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| 115 | static const ASN1_TEMPLATE tname##_item_tt |
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| 116 | |
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| 117 | #define ASN1_ITEM_TEMPLATE_END(tname) \ |
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| 118 | ;\ |
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| 119 | ASN1_ITEM_start(tname) \ |
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| 120 | ASN1_ITYPE_PRIMITIVE,\ |
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| 121 | -1,\ |
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| 122 | &tname##_item_tt,\ |
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| 123 | 0,\ |
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| 124 | NULL,\ |
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| 125 | 0,\ |
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| 126 | #tname \ |
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| 127 | ASN1_ITEM_end(tname) |
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| 128 | |
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| 129 | |
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| 130 | /* This is a ASN1 type which just embeds a template */ |
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| 131 | |
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| 132 | /* This pair helps declare a SEQUENCE. We can do: |
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| 133 | * |
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| 134 | * ASN1_SEQUENCE(stname) = { |
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| 135 | * ... SEQUENCE components ... |
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| 136 | * } ASN1_SEQUENCE_END(stname) |
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| 137 | * |
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| 138 | * This will produce an ASN1_ITEM called stname_it |
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| 139 | * for a structure called stname. |
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| 140 | * |
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| 141 | * If you want the same structure but a different |
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| 142 | * name then use: |
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| 143 | * |
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| 144 | * ASN1_SEQUENCE(itname) = { |
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| 145 | * ... SEQUENCE components ... |
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| 146 | * } ASN1_SEQUENCE_END_name(stname, itname) |
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| 147 | * |
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| 148 | * This will create an item called itname_it using |
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| 149 | * a structure called stname. |
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| 150 | */ |
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| 151 | |
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| 152 | #define ASN1_SEQUENCE(tname) \ |
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| 153 | static const ASN1_TEMPLATE tname##_seq_tt[] |
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| 154 | |
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| 155 | #define ASN1_SEQUENCE_END(stname) ASN1_SEQUENCE_END_name(stname, stname) |
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| 156 | |
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| 157 | #define ASN1_SEQUENCE_END_name(stname, tname) \ |
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| 158 | ;\ |
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| 159 | ASN1_ITEM_start(tname) \ |
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| 160 | ASN1_ITYPE_SEQUENCE,\ |
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| 161 | V_ASN1_SEQUENCE,\ |
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| 162 | tname##_seq_tt,\ |
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| 163 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ |
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| 164 | NULL,\ |
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| 165 | sizeof(stname),\ |
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| 166 | #stname \ |
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| 167 | ASN1_ITEM_end(tname) |
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| 168 | |
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| 169 | #define ASN1_NDEF_SEQUENCE(tname) \ |
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| 170 | ASN1_SEQUENCE(tname) |
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| 171 | |
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| 172 | #define ASN1_SEQUENCE_cb(tname, cb) \ |
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| 173 | static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \ |
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| 174 | ASN1_SEQUENCE(tname) |
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| 175 | |
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| 176 | #define ASN1_BROKEN_SEQUENCE(tname) \ |
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| 177 | static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_BROKEN, 0, 0, 0, 0}; \ |
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| 178 | ASN1_SEQUENCE(tname) |
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| 179 | |
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| 180 | #define ASN1_SEQUENCE_ref(tname, cb, lck) \ |
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| 181 | static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), lck, cb, 0}; \ |
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| 182 | ASN1_SEQUENCE(tname) |
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| 183 | |
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| 184 | #define ASN1_SEQUENCE_enc(tname, enc, cb) \ |
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| 185 | static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, 0, cb, offsetof(tname, enc)}; \ |
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| 186 | ASN1_SEQUENCE(tname) |
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| 187 | |
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| 188 | #define ASN1_NDEF_SEQUENCE_END(tname) \ |
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| 189 | ;\ |
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| 190 | ASN1_ITEM_start(tname) \ |
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| 191 | ASN1_ITYPE_NDEF_SEQUENCE,\ |
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| 192 | V_ASN1_SEQUENCE,\ |
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| 193 | tname##_seq_tt,\ |
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| 194 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ |
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| 195 | NULL,\ |
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| 196 | sizeof(tname),\ |
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| 197 | #tname \ |
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| 198 | ASN1_ITEM_end(tname) |
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| 199 | |
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| 200 | #define ASN1_BROKEN_SEQUENCE_END(stname) ASN1_SEQUENCE_END_ref(stname, stname) |
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| 201 | |
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| 202 | #define ASN1_SEQUENCE_END_enc(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname) |
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| 203 | |
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| 204 | #define ASN1_SEQUENCE_END_cb(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname) |
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| 205 | |
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| 206 | #define ASN1_SEQUENCE_END_ref(stname, tname) \ |
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| 207 | ;\ |
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| 208 | ASN1_ITEM_start(tname) \ |
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| 209 | ASN1_ITYPE_SEQUENCE,\ |
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| 210 | V_ASN1_SEQUENCE,\ |
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| 211 | tname##_seq_tt,\ |
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| 212 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ |
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| 213 | &tname##_aux,\ |
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| 214 | sizeof(stname),\ |
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| 215 | #stname \ |
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| 216 | ASN1_ITEM_end(tname) |
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| 217 | |
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| 218 | |
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| 219 | /* This pair helps declare a CHOICE type. We can do: |
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| 220 | * |
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| 221 | * ASN1_CHOICE(chname) = { |
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| 222 | * ... CHOICE options ... |
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| 223 | * ASN1_CHOICE_END(chname) |
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| 224 | * |
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| 225 | * This will produce an ASN1_ITEM called chname_it |
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| 226 | * for a structure called chname. The structure |
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| 227 | * definition must look like this: |
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| 228 | * typedef struct { |
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| 229 | * int type; |
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| 230 | * union { |
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| 231 | * ASN1_SOMETHING *opt1; |
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| 232 | * ASN1_SOMEOTHER *opt2; |
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| 233 | * } value; |
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| 234 | * } chname; |
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| 235 | * |
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| 236 | * the name of the selector must be 'type'. |
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| 237 | * to use an alternative selector name use the |
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| 238 | * ASN1_CHOICE_END_selector() version. |
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| 239 | */ |
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| 240 | |
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| 241 | #define ASN1_CHOICE(tname) \ |
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| 242 | static const ASN1_TEMPLATE tname##_ch_tt[] |
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| 243 | |
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| 244 | #define ASN1_CHOICE_cb(tname, cb) \ |
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| 245 | static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \ |
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| 246 | ASN1_CHOICE(tname) |
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| 247 | |
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| 248 | #define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname) |
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| 249 | |
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| 250 | #define ASN1_CHOICE_END_name(stname, tname) ASN1_CHOICE_END_selector(stname, tname, type) |
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| 251 | |
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| 252 | #define ASN1_CHOICE_END_selector(stname, tname, selname) \ |
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| 253 | ;\ |
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| 254 | ASN1_ITEM_start(tname) \ |
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| 255 | ASN1_ITYPE_CHOICE,\ |
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| 256 | offsetof(stname,selname) ,\ |
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| 257 | tname##_ch_tt,\ |
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| 258 | sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ |
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| 259 | NULL,\ |
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| 260 | sizeof(stname),\ |
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| 261 | #stname \ |
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| 262 | ASN1_ITEM_end(tname) |
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| 263 | |
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| 264 | #define ASN1_CHOICE_END_cb(stname, tname, selname) \ |
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| 265 | ;\ |
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| 266 | ASN1_ITEM_start(tname) \ |
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| 267 | ASN1_ITYPE_CHOICE,\ |
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| 268 | offsetof(stname,selname) ,\ |
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| 269 | tname##_ch_tt,\ |
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| 270 | sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ |
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| 271 | &tname##_aux,\ |
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| 272 | sizeof(stname),\ |
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| 273 | #stname \ |
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| 274 | ASN1_ITEM_end(tname) |
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| 275 | |
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| 276 | /* This helps with the template wrapper form of ASN1_ITEM */ |
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| 277 | |
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| 278 | #define ASN1_EX_TEMPLATE_TYPE(flags, tag, name, type) { \ |
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| 279 | (flags), (tag), 0,\ |
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| 280 | #name, ASN1_ITEM_ref(type) } |
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| 281 | |
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| 282 | /* These help with SEQUENCE or CHOICE components */ |
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| 283 | |
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| 284 | /* used to declare other types */ |
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| 285 | |
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| 286 | #define ASN1_EX_TYPE(flags, tag, stname, field, type) { \ |
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| 287 | (flags), (tag), offsetof(stname, field),\ |
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| 288 | #field, ASN1_ITEM_ref(type) } |
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| 289 | |
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| 290 | /* used when the structure is combined with the parent */ |
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| 291 | |
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| 292 | #define ASN1_EX_COMBINE(flags, tag, type) { \ |
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| 293 | (flags)|ASN1_TFLG_COMBINE, (tag), 0, NULL, ASN1_ITEM_ref(type) } |
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| 294 | |
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| 295 | /* implicit and explicit helper macros */ |
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| 296 | |
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| 297 | #define ASN1_IMP_EX(stname, field, type, tag, ex) \ |
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| 298 | ASN1_EX_TYPE(ASN1_TFLG_IMPLICIT | ex, tag, stname, field, type) |
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| 299 | |
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| 300 | #define ASN1_EXP_EX(stname, field, type, tag, ex) \ |
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| 301 | ASN1_EX_TYPE(ASN1_TFLG_EXPLICIT | ex, tag, stname, field, type) |
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| 302 | |
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| 303 | /* Any defined by macros: the field used is in the table itself */ |
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| 304 | |
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| 305 | #ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION |
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| 306 | #define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) } |
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| 307 | #define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) } |
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| 308 | #else |
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| 309 | #define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, tblname##_adb } |
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| 310 | #define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, tblname##_adb } |
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| 311 | #endif |
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| 312 | /* Plain simple type */ |
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| 313 | #define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0,0, stname, field, type) |
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| 314 | |
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| 315 | /* OPTIONAL simple type */ |
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| 316 | #define ASN1_OPT(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type) |
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| 317 | |
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| 318 | /* IMPLICIT tagged simple type */ |
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| 319 | #define ASN1_IMP(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, 0) |
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| 320 | |
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| 321 | /* IMPLICIT tagged OPTIONAL simple type */ |
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| 322 | #define ASN1_IMP_OPT(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) |
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| 323 | |
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| 324 | /* Same as above but EXPLICIT */ |
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| 325 | |
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| 326 | #define ASN1_EXP(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, 0) |
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| 327 | #define ASN1_EXP_OPT(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) |
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| 328 | |
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| 329 | /* SEQUENCE OF type */ |
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| 330 | #define ASN1_SEQUENCE_OF(stname, field, type) \ |
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| 331 | ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, stname, field, type) |
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| 332 | |
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| 333 | /* OPTIONAL SEQUENCE OF */ |
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| 334 | #define ASN1_SEQUENCE_OF_OPT(stname, field, type) \ |
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| 335 | ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type) |
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| 336 | |
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| 337 | /* Same as above but for SET OF */ |
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| 338 | |
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| 339 | #define ASN1_SET_OF(stname, field, type) \ |
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| 340 | ASN1_EX_TYPE(ASN1_TFLG_SET_OF, 0, stname, field, type) |
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| 341 | |
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| 342 | #define ASN1_SET_OF_OPT(stname, field, type) \ |
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| 343 | ASN1_EX_TYPE(ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type) |
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| 344 | |
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| 345 | /* Finally compound types of SEQUENCE, SET, IMPLICIT, EXPLICIT and OPTIONAL */ |
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| 346 | |
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| 347 | #define ASN1_IMP_SET_OF(stname, field, type, tag) \ |
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| 348 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) |
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| 349 | |
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| 350 | #define ASN1_EXP_SET_OF(stname, field, type, tag) \ |
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| 351 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) |
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| 352 | |
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| 353 | #define ASN1_IMP_SET_OF_OPT(stname, field, type, tag) \ |
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| 354 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL) |
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| 355 | |
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| 356 | #define ASN1_EXP_SET_OF_OPT(stname, field, type, tag) \ |
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| 357 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL) |
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| 358 | |
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| 359 | #define ASN1_IMP_SEQUENCE_OF(stname, field, type, tag) \ |
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| 360 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) |
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| 361 | |
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| 362 | #define ASN1_IMP_SEQUENCE_OF_OPT(stname, field, type, tag) \ |
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| 363 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL) |
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| 364 | |
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| 365 | #define ASN1_EXP_SEQUENCE_OF(stname, field, type, tag) \ |
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| 366 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) |
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| 367 | |
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| 368 | #define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \ |
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| 369 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL) |
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| 370 | |
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| 371 | /* EXPLICIT OPTIONAL using indefinite length constructed form */ |
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| 372 | #define ASN1_NDEF_EXP_OPT(stname, field, type, tag) \ |
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| 373 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_NDEF) |
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| 374 | |
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| 375 | /* Macros for the ASN1_ADB structure */ |
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| 376 | |
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| 377 | #define ASN1_ADB(name) \ |
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| 378 | static const ASN1_ADB_TABLE name##_adbtbl[] |
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| 379 | |
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| 380 | #ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION |
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| 381 | |
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| 382 | #define ASN1_ADB_END(name, flags, field, app_table, def, none) \ |
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| 383 | ;\ |
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| 384 | static const ASN1_ADB name##_adb = {\ |
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| 385 | flags,\ |
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| 386 | offsetof(name, field),\ |
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| 387 | app_table,\ |
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| 388 | name##_adbtbl,\ |
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| 389 | sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\ |
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| 390 | def,\ |
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| 391 | none\ |
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| 392 | } |
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| 393 | |
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| 394 | #else |
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| 395 | |
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| 396 | #define ASN1_ADB_END(name, flags, field, app_table, def, none) \ |
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| 397 | ;\ |
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| 398 | static const ASN1_ITEM *name##_adb(void) \ |
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| 399 | { \ |
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| 400 | static const ASN1_ADB internal_adb = \ |
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| 401 | {\ |
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| 402 | flags,\ |
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| 403 | offsetof(name, field),\ |
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| 404 | app_table,\ |
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| 405 | name##_adbtbl,\ |
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| 406 | sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\ |
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| 407 | def,\ |
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| 408 | none\ |
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| 409 | }; \ |
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| 410 | return (const ASN1_ITEM *) &internal_adb; \ |
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| 411 | } \ |
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| 412 | void dummy_function(void) |
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| 413 | |
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| 414 | #endif |
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| 415 | |
---|
| 416 | #define ADB_ENTRY(val, template) {val, template} |
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| 417 | |
---|
| 418 | #define ASN1_ADB_TEMPLATE(name) \ |
---|
| 419 | static const ASN1_TEMPLATE name##_tt |
---|
| 420 | |
---|
| 421 | /* This is the ASN1 template structure that defines |
---|
| 422 | * a wrapper round the actual type. It determines the |
---|
| 423 | * actual position of the field in the value structure, |
---|
| 424 | * various flags such as OPTIONAL and the field name. |
---|
| 425 | */ |
---|
| 426 | |
---|
| 427 | struct ASN1_TEMPLATE_st { |
---|
| 428 | unsigned long flags; /* Various flags */ |
---|
| 429 | long tag; /* tag, not used if no tagging */ |
---|
| 430 | unsigned long offset; /* Offset of this field in structure */ |
---|
| 431 | #ifndef NO_ASN1_FIELD_NAMES |
---|
| 432 | const char *field_name; /* Field name */ |
---|
| 433 | #endif |
---|
| 434 | ASN1_ITEM_EXP *item; /* Relevant ASN1_ITEM or ASN1_ADB */ |
---|
| 435 | }; |
---|
| 436 | |
---|
| 437 | /* Macro to extract ASN1_ITEM and ASN1_ADB pointer from ASN1_TEMPLATE */ |
---|
| 438 | |
---|
| 439 | #define ASN1_TEMPLATE_item(t) (t->item_ptr) |
---|
| 440 | #define ASN1_TEMPLATE_adb(t) (t->item_ptr) |
---|
| 441 | |
---|
| 442 | typedef struct ASN1_ADB_TABLE_st ASN1_ADB_TABLE; |
---|
| 443 | typedef struct ASN1_ADB_st ASN1_ADB; |
---|
| 444 | |
---|
| 445 | struct ASN1_ADB_st { |
---|
| 446 | unsigned long flags; /* Various flags */ |
---|
| 447 | unsigned long offset; /* Offset of selector field */ |
---|
| 448 | STACK_OF(ASN1_ADB_TABLE) **app_items; /* Application defined items */ |
---|
| 449 | const ASN1_ADB_TABLE *tbl; /* Table of possible types */ |
---|
| 450 | long tblcount; /* Number of entries in tbl */ |
---|
| 451 | const ASN1_TEMPLATE *default_tt; /* Type to use if no match */ |
---|
| 452 | const ASN1_TEMPLATE *null_tt; /* Type to use if selector is NULL */ |
---|
| 453 | }; |
---|
| 454 | |
---|
| 455 | struct ASN1_ADB_TABLE_st { |
---|
| 456 | long value; /* NID for an object or value for an int */ |
---|
| 457 | const ASN1_TEMPLATE tt; /* item for this value */ |
---|
| 458 | }; |
---|
| 459 | |
---|
| 460 | /* template flags */ |
---|
| 461 | |
---|
| 462 | /* Field is optional */ |
---|
| 463 | #define ASN1_TFLG_OPTIONAL (0x1) |
---|
| 464 | |
---|
| 465 | /* Field is a SET OF */ |
---|
| 466 | #define ASN1_TFLG_SET_OF (0x1 << 1) |
---|
| 467 | |
---|
| 468 | /* Field is a SEQUENCE OF */ |
---|
| 469 | #define ASN1_TFLG_SEQUENCE_OF (0x2 << 1) |
---|
| 470 | |
---|
| 471 | /* Special case: this refers to a SET OF that |
---|
| 472 | * will be sorted into DER order when encoded *and* |
---|
| 473 | * the corresponding STACK will be modified to match |
---|
| 474 | * the new order. |
---|
| 475 | */ |
---|
| 476 | #define ASN1_TFLG_SET_ORDER (0x3 << 1) |
---|
| 477 | |
---|
| 478 | /* Mask for SET OF or SEQUENCE OF */ |
---|
| 479 | #define ASN1_TFLG_SK_MASK (0x3 << 1) |
---|
| 480 | |
---|
| 481 | /* These flags mean the tag should be taken from the |
---|
| 482 | * tag field. If EXPLICIT then the underlying type |
---|
| 483 | * is used for the inner tag. |
---|
| 484 | */ |
---|
| 485 | |
---|
| 486 | /* IMPLICIT tagging */ |
---|
| 487 | #define ASN1_TFLG_IMPTAG (0x1 << 3) |
---|
| 488 | |
---|
| 489 | |
---|
| 490 | /* EXPLICIT tagging, inner tag from underlying type */ |
---|
| 491 | #define ASN1_TFLG_EXPTAG (0x2 << 3) |
---|
| 492 | |
---|
| 493 | #define ASN1_TFLG_TAG_MASK (0x3 << 3) |
---|
| 494 | |
---|
| 495 | /* context specific IMPLICIT */ |
---|
| 496 | #define ASN1_TFLG_IMPLICIT ASN1_TFLG_IMPTAG|ASN1_TFLG_CONTEXT |
---|
| 497 | |
---|
| 498 | /* context specific EXPLICIT */ |
---|
| 499 | #define ASN1_TFLG_EXPLICIT ASN1_TFLG_EXPTAG|ASN1_TFLG_CONTEXT |
---|
| 500 | |
---|
| 501 | /* If tagging is in force these determine the |
---|
| 502 | * type of tag to use. Otherwise the tag is |
---|
| 503 | * determined by the underlying type. These |
---|
| 504 | * values reflect the actual octet format. |
---|
| 505 | */ |
---|
| 506 | |
---|
| 507 | /* Universal tag */ |
---|
| 508 | #define ASN1_TFLG_UNIVERSAL (0x0<<6) |
---|
| 509 | /* Application tag */ |
---|
| 510 | #define ASN1_TFLG_APPLICATION (0x1<<6) |
---|
| 511 | /* Context specific tag */ |
---|
| 512 | #define ASN1_TFLG_CONTEXT (0x2<<6) |
---|
| 513 | /* Private tag */ |
---|
| 514 | #define ASN1_TFLG_PRIVATE (0x3<<6) |
---|
| 515 | |
---|
| 516 | #define ASN1_TFLG_TAG_CLASS (0x3<<6) |
---|
| 517 | |
---|
| 518 | /* These are for ANY DEFINED BY type. In this case |
---|
| 519 | * the 'item' field points to an ASN1_ADB structure |
---|
| 520 | * which contains a table of values to decode the |
---|
| 521 | * relevant type |
---|
| 522 | */ |
---|
| 523 | |
---|
| 524 | #define ASN1_TFLG_ADB_MASK (0x3<<8) |
---|
| 525 | |
---|
| 526 | #define ASN1_TFLG_ADB_OID (0x1<<8) |
---|
| 527 | |
---|
| 528 | #define ASN1_TFLG_ADB_INT (0x1<<9) |
---|
| 529 | |
---|
| 530 | /* This flag means a parent structure is passed |
---|
| 531 | * instead of the field: this is useful is a |
---|
| 532 | * SEQUENCE is being combined with a CHOICE for |
---|
| 533 | * example. Since this means the structure and |
---|
| 534 | * item name will differ we need to use the |
---|
| 535 | * ASN1_CHOICE_END_name() macro for example. |
---|
| 536 | */ |
---|
| 537 | |
---|
| 538 | #define ASN1_TFLG_COMBINE (0x1<<10) |
---|
| 539 | |
---|
| 540 | /* This flag when present in a SEQUENCE OF, SET OF |
---|
| 541 | * or EXPLICIT causes indefinite length constructed |
---|
| 542 | * encoding to be used if required. |
---|
| 543 | */ |
---|
| 544 | |
---|
| 545 | #define ASN1_TFLG_NDEF (0x1<<11) |
---|
| 546 | |
---|
| 547 | /* This is the actual ASN1 item itself */ |
---|
| 548 | |
---|
| 549 | struct ASN1_ITEM_st { |
---|
| 550 | char itype; /* The item type, primitive, SEQUENCE, CHOICE or extern */ |
---|
| 551 | long utype; /* underlying type */ |
---|
| 552 | const ASN1_TEMPLATE *templates; /* If SEQUENCE or CHOICE this contains the contents */ |
---|
| 553 | long tcount; /* Number of templates if SEQUENCE or CHOICE */ |
---|
| 554 | const void *funcs; /* functions that handle this type */ |
---|
| 555 | long size; /* Structure size (usually)*/ |
---|
| 556 | #ifndef NO_ASN1_FIELD_NAMES |
---|
| 557 | const char *sname; /* Structure name */ |
---|
| 558 | #endif |
---|
| 559 | }; |
---|
| 560 | |
---|
| 561 | /* These are values for the itype field and |
---|
| 562 | * determine how the type is interpreted. |
---|
| 563 | * |
---|
| 564 | * For PRIMITIVE types the underlying type |
---|
| 565 | * determines the behaviour if items is NULL. |
---|
| 566 | * |
---|
| 567 | * Otherwise templates must contain a single |
---|
| 568 | * template and the type is treated in the |
---|
| 569 | * same way as the type specified in the template. |
---|
| 570 | * |
---|
| 571 | * For SEQUENCE types the templates field points |
---|
| 572 | * to the members, the size field is the |
---|
| 573 | * structure size. |
---|
| 574 | * |
---|
| 575 | * For CHOICE types the templates field points |
---|
| 576 | * to each possible member (typically a union) |
---|
| 577 | * and the 'size' field is the offset of the |
---|
| 578 | * selector. |
---|
| 579 | * |
---|
| 580 | * The 'funcs' field is used for application |
---|
| 581 | * specific functions. |
---|
| 582 | * |
---|
| 583 | * For COMPAT types the funcs field gives a |
---|
| 584 | * set of functions that handle this type, this |
---|
| 585 | * supports the old d2i, i2d convention. |
---|
| 586 | * |
---|
| 587 | * The EXTERN type uses a new style d2i/i2d. |
---|
| 588 | * The new style should be used where possible |
---|
| 589 | * because it avoids things like the d2i IMPLICIT |
---|
| 590 | * hack. |
---|
| 591 | * |
---|
| 592 | * MSTRING is a multiple string type, it is used |
---|
| 593 | * for a CHOICE of character strings where the |
---|
| 594 | * actual strings all occupy an ASN1_STRING |
---|
| 595 | * structure. In this case the 'utype' field |
---|
| 596 | * has a special meaning, it is used as a mask |
---|
| 597 | * of acceptable types using the B_ASN1 constants. |
---|
| 598 | * |
---|
| 599 | * NDEF_SEQUENCE is the same as SEQUENCE except |
---|
| 600 | * that it will use indefinite length constructed |
---|
| 601 | * encoding if requested. |
---|
| 602 | * |
---|
| 603 | */ |
---|
| 604 | |
---|
| 605 | #define ASN1_ITYPE_PRIMITIVE 0x0 |
---|
| 606 | |
---|
| 607 | #define ASN1_ITYPE_SEQUENCE 0x1 |
---|
| 608 | |
---|
| 609 | #define ASN1_ITYPE_CHOICE 0x2 |
---|
| 610 | |
---|
| 611 | #define ASN1_ITYPE_COMPAT 0x3 |
---|
| 612 | |
---|
| 613 | #define ASN1_ITYPE_EXTERN 0x4 |
---|
| 614 | |
---|
| 615 | #define ASN1_ITYPE_MSTRING 0x5 |
---|
| 616 | |
---|
| 617 | #define ASN1_ITYPE_NDEF_SEQUENCE 0x6 |
---|
| 618 | |
---|
| 619 | /* Cache for ASN1 tag and length, so we |
---|
| 620 | * don't keep re-reading it for things |
---|
| 621 | * like CHOICE |
---|
| 622 | */ |
---|
| 623 | |
---|
| 624 | struct ASN1_TLC_st{ |
---|
| 625 | char valid; /* Values below are valid */ |
---|
| 626 | int ret; /* return value */ |
---|
| 627 | long plen; /* length */ |
---|
| 628 | int ptag; /* class value */ |
---|
| 629 | int pclass; /* class value */ |
---|
| 630 | int hdrlen; /* header length */ |
---|
| 631 | }; |
---|
| 632 | |
---|
| 633 | /* Typedefs for ASN1 function pointers */ |
---|
| 634 | |
---|
| 635 | typedef ASN1_VALUE * ASN1_new_func(void); |
---|
| 636 | typedef void ASN1_free_func(ASN1_VALUE *a); |
---|
| 637 | typedef ASN1_VALUE * ASN1_d2i_func(ASN1_VALUE **a, const unsigned char ** in, long length); |
---|
| 638 | typedef int ASN1_i2d_func(ASN1_VALUE * a, unsigned char **in); |
---|
| 639 | |
---|
| 640 | typedef int ASN1_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it, |
---|
| 641 | int tag, int aclass, char opt, ASN1_TLC *ctx); |
---|
| 642 | |
---|
| 643 | typedef int ASN1_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass); |
---|
| 644 | typedef int ASN1_ex_new_func(ASN1_VALUE **pval, const ASN1_ITEM *it); |
---|
| 645 | typedef void ASN1_ex_free_func(ASN1_VALUE **pval, const ASN1_ITEM *it); |
---|
| 646 | |
---|
| 647 | typedef int ASN1_primitive_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it); |
---|
| 648 | typedef int ASN1_primitive_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it); |
---|
| 649 | |
---|
| 650 | typedef struct ASN1_COMPAT_FUNCS_st { |
---|
| 651 | ASN1_new_func *asn1_new; |
---|
| 652 | ASN1_free_func *asn1_free; |
---|
| 653 | ASN1_d2i_func *asn1_d2i; |
---|
| 654 | ASN1_i2d_func *asn1_i2d; |
---|
| 655 | } ASN1_COMPAT_FUNCS; |
---|
| 656 | |
---|
| 657 | typedef struct ASN1_EXTERN_FUNCS_st { |
---|
| 658 | void *app_data; |
---|
| 659 | ASN1_ex_new_func *asn1_ex_new; |
---|
| 660 | ASN1_ex_free_func *asn1_ex_free; |
---|
| 661 | ASN1_ex_free_func *asn1_ex_clear; |
---|
| 662 | ASN1_ex_d2i *asn1_ex_d2i; |
---|
| 663 | ASN1_ex_i2d *asn1_ex_i2d; |
---|
| 664 | } ASN1_EXTERN_FUNCS; |
---|
| 665 | |
---|
| 666 | typedef struct ASN1_PRIMITIVE_FUNCS_st { |
---|
| 667 | void *app_data; |
---|
| 668 | unsigned long flags; |
---|
| 669 | ASN1_ex_new_func *prim_new; |
---|
| 670 | ASN1_ex_free_func *prim_free; |
---|
| 671 | ASN1_ex_free_func *prim_clear; |
---|
| 672 | ASN1_primitive_c2i *prim_c2i; |
---|
| 673 | ASN1_primitive_i2c *prim_i2c; |
---|
| 674 | } ASN1_PRIMITIVE_FUNCS; |
---|
| 675 | |
---|
| 676 | /* This is the ASN1_AUX structure: it handles various |
---|
| 677 | * miscellaneous requirements. For example the use of |
---|
| 678 | * reference counts and an informational callback. |
---|
| 679 | * |
---|
| 680 | * The "informational callback" is called at various |
---|
| 681 | * points during the ASN1 encoding and decoding. It can |
---|
| 682 | * be used to provide minor customisation of the structures |
---|
| 683 | * used. This is most useful where the supplied routines |
---|
| 684 | * *almost* do the right thing but need some extra help |
---|
| 685 | * at a few points. If the callback returns zero then |
---|
| 686 | * it is assumed a fatal error has occurred and the |
---|
| 687 | * main operation should be abandoned. |
---|
| 688 | * |
---|
| 689 | * If major changes in the default behaviour are required |
---|
| 690 | * then an external type is more appropriate. |
---|
| 691 | */ |
---|
| 692 | |
---|
| 693 | typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it); |
---|
| 694 | |
---|
| 695 | typedef struct ASN1_AUX_st { |
---|
| 696 | void *app_data; |
---|
| 697 | int flags; |
---|
| 698 | int ref_offset; /* Offset of reference value */ |
---|
| 699 | int ref_lock; /* Lock type to use */ |
---|
| 700 | ASN1_aux_cb *asn1_cb; |
---|
| 701 | int enc_offset; /* Offset of ASN1_ENCODING structure */ |
---|
| 702 | } ASN1_AUX; |
---|
| 703 | |
---|
| 704 | /* Flags in ASN1_AUX */ |
---|
| 705 | |
---|
| 706 | /* Use a reference count */ |
---|
| 707 | #define ASN1_AFLG_REFCOUNT 1 |
---|
| 708 | /* Save the encoding of structure (useful for signatures) */ |
---|
| 709 | #define ASN1_AFLG_ENCODING 2 |
---|
| 710 | /* The Sequence length is invalid */ |
---|
| 711 | #define ASN1_AFLG_BROKEN 4 |
---|
| 712 | |
---|
| 713 | /* operation values for asn1_cb */ |
---|
| 714 | |
---|
| 715 | #define ASN1_OP_NEW_PRE 0 |
---|
| 716 | #define ASN1_OP_NEW_POST 1 |
---|
| 717 | #define ASN1_OP_FREE_PRE 2 |
---|
| 718 | #define ASN1_OP_FREE_POST 3 |
---|
| 719 | #define ASN1_OP_D2I_PRE 4 |
---|
| 720 | #define ASN1_OP_D2I_POST 5 |
---|
| 721 | #define ASN1_OP_I2D_PRE 6 |
---|
| 722 | #define ASN1_OP_I2D_POST 7 |
---|
| 723 | |
---|
| 724 | /* Macro to implement a primitive type */ |
---|
| 725 | #define IMPLEMENT_ASN1_TYPE(stname) IMPLEMENT_ASN1_TYPE_ex(stname, stname, 0) |
---|
| 726 | #define IMPLEMENT_ASN1_TYPE_ex(itname, vname, ex) \ |
---|
| 727 | ASN1_ITEM_start(itname) \ |
---|
| 728 | ASN1_ITYPE_PRIMITIVE, V_##vname, NULL, 0, NULL, ex, #itname \ |
---|
| 729 | ASN1_ITEM_end(itname) |
---|
| 730 | |
---|
| 731 | /* Macro to implement a multi string type */ |
---|
| 732 | #define IMPLEMENT_ASN1_MSTRING(itname, mask) \ |
---|
| 733 | ASN1_ITEM_start(itname) \ |
---|
| 734 | ASN1_ITYPE_MSTRING, mask, NULL, 0, NULL, sizeof(ASN1_STRING), #itname \ |
---|
| 735 | ASN1_ITEM_end(itname) |
---|
| 736 | |
---|
| 737 | /* Macro to implement an ASN1_ITEM in terms of old style funcs */ |
---|
| 738 | |
---|
| 739 | #define IMPLEMENT_COMPAT_ASN1(sname) IMPLEMENT_COMPAT_ASN1_type(sname, V_ASN1_SEQUENCE) |
---|
| 740 | |
---|
| 741 | #define IMPLEMENT_COMPAT_ASN1_type(sname, tag) \ |
---|
| 742 | static const ASN1_COMPAT_FUNCS sname##_ff = { \ |
---|
| 743 | (ASN1_new_func *)sname##_new, \ |
---|
| 744 | (ASN1_free_func *)sname##_free, \ |
---|
| 745 | (ASN1_d2i_func *)d2i_##sname, \ |
---|
| 746 | (ASN1_i2d_func *)i2d_##sname, \ |
---|
| 747 | }; \ |
---|
| 748 | ASN1_ITEM_start(sname) \ |
---|
| 749 | ASN1_ITYPE_COMPAT, \ |
---|
| 750 | tag, \ |
---|
| 751 | NULL, \ |
---|
| 752 | 0, \ |
---|
| 753 | &sname##_ff, \ |
---|
| 754 | 0, \ |
---|
| 755 | #sname \ |
---|
| 756 | ASN1_ITEM_end(sname) |
---|
| 757 | |
---|
| 758 | #define IMPLEMENT_EXTERN_ASN1(sname, tag, fptrs) \ |
---|
| 759 | ASN1_ITEM_start(sname) \ |
---|
| 760 | ASN1_ITYPE_EXTERN, \ |
---|
| 761 | tag, \ |
---|
| 762 | NULL, \ |
---|
| 763 | 0, \ |
---|
| 764 | &fptrs, \ |
---|
| 765 | 0, \ |
---|
| 766 | #sname \ |
---|
| 767 | ASN1_ITEM_end(sname) |
---|
| 768 | |
---|
| 769 | /* Macro to implement standard functions in terms of ASN1_ITEM structures */ |
---|
| 770 | |
---|
| 771 | #define IMPLEMENT_ASN1_FUNCTIONS(stname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, stname, stname) |
---|
| 772 | |
---|
| 773 | #define IMPLEMENT_ASN1_FUNCTIONS_name(stname, itname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, itname) |
---|
| 774 | |
---|
| 775 | #define IMPLEMENT_ASN1_FUNCTIONS_ENCODE_name(stname, itname) \ |
---|
| 776 | IMPLEMENT_ASN1_FUNCTIONS_ENCODE_fname(stname, itname, itname) |
---|
| 777 | |
---|
| 778 | #define IMPLEMENT_ASN1_ALLOC_FUNCTIONS(stname) \ |
---|
| 779 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, stname, stname) |
---|
| 780 | |
---|
| 781 | #define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) \ |
---|
| 782 | stname *fname##_new(void) \ |
---|
| 783 | { \ |
---|
| 784 | return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \ |
---|
| 785 | } \ |
---|
| 786 | void fname##_free(stname *a) \ |
---|
| 787 | { \ |
---|
| 788 | ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \ |
---|
| 789 | } |
---|
| 790 | |
---|
| 791 | #define IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, fname) \ |
---|
| 792 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ |
---|
| 793 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) |
---|
| 794 | |
---|
| 795 | #define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ |
---|
| 796 | stname *d2i_##fname(stname **a, const unsigned char **in, long len) \ |
---|
| 797 | { \ |
---|
| 798 | return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\ |
---|
| 799 | } \ |
---|
| 800 | int i2d_##fname(stname *a, unsigned char **out) \ |
---|
| 801 | { \ |
---|
| 802 | return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\ |
---|
| 803 | } |
---|
| 804 | |
---|
| 805 | #define IMPLEMENT_ASN1_NDEF_FUNCTION(stname) \ |
---|
| 806 | int i2d_##stname##_NDEF(stname *a, unsigned char **out) \ |
---|
| 807 | { \ |
---|
| 808 | return ASN1_item_ndef_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(stname));\ |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | /* This includes evil casts to remove const: they will go away when full |
---|
| 812 | * ASN1 constification is done. |
---|
| 813 | */ |
---|
| 814 | #define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \ |
---|
| 815 | stname *d2i_##fname(stname **a, const unsigned char **in, long len) \ |
---|
| 816 | { \ |
---|
| 817 | return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\ |
---|
| 818 | } \ |
---|
| 819 | int i2d_##fname(const stname *a, unsigned char **out) \ |
---|
| 820 | { \ |
---|
| 821 | return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\ |
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| 822 | } |
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| 823 | |
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| 824 | #define IMPLEMENT_ASN1_DUP_FUNCTION(stname) \ |
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| 825 | stname * stname##_dup(stname *x) \ |
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| 826 | { \ |
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| 827 | return ASN1_item_dup(ASN1_ITEM_rptr(stname), x); \ |
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| 828 | } |
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| 829 | |
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| 830 | #define IMPLEMENT_ASN1_FUNCTIONS_const(name) \ |
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| 831 | IMPLEMENT_ASN1_FUNCTIONS_const_fname(name, name, name) |
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| 832 | |
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| 833 | #define IMPLEMENT_ASN1_FUNCTIONS_const_fname(stname, itname, fname) \ |
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| 834 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \ |
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| 835 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) |
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| 836 | |
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| 837 | /* external definitions for primitive types */ |
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| 838 | |
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| 839 | DECLARE_ASN1_ITEM(ASN1_BOOLEAN) |
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| 840 | DECLARE_ASN1_ITEM(ASN1_TBOOLEAN) |
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| 841 | DECLARE_ASN1_ITEM(ASN1_FBOOLEAN) |
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| 842 | DECLARE_ASN1_ITEM(ASN1_SEQUENCE) |
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| 843 | DECLARE_ASN1_ITEM(CBIGNUM) |
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| 844 | DECLARE_ASN1_ITEM(BIGNUM) |
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| 845 | DECLARE_ASN1_ITEM(LONG) |
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| 846 | DECLARE_ASN1_ITEM(ZLONG) |
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| 847 | |
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| 848 | DECLARE_STACK_OF(ASN1_VALUE) |
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| 849 | |
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| 850 | /* Functions used internally by the ASN1 code */ |
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| 851 | |
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| 852 | int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 853 | void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 854 | int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); |
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| 855 | int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 856 | |
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| 857 | void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); |
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| 858 | int ASN1_template_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_TEMPLATE *tt); |
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| 859 | int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it, |
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| 860 | int tag, int aclass, char opt, ASN1_TLC *ctx); |
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| 861 | |
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| 862 | int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass); |
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| 863 | int ASN1_template_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_TEMPLATE *tt); |
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| 864 | void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 865 | |
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| 866 | int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it); |
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| 867 | int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it); |
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| 868 | |
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| 869 | int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 870 | int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it); |
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| 871 | |
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| 872 | ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); |
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| 873 | |
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| 874 | const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr); |
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| 875 | |
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| 876 | int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it); |
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| 877 | |
---|
| 878 | void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 879 | void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 880 | int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, const ASN1_ITEM *it); |
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| 881 | int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, const ASN1_ITEM *it); |
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| 882 | |
---|
| 883 | #ifdef __cplusplus |
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| 884 | } |
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| 885 | #endif |
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| 886 | #endif |
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