/*

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* Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.

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*

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* Licensed under the OpenSSL license (the "License"). You may not use

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* this file except in compliance with the License. You can obtain a copy

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* in the file LICENSE in the source distribution or at

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* https://www.openssl.org/source/license.html

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*/

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#ifndef HEADER_ASN1T_H

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# define HEADER_ASN1T_H

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# include <stddef.h>

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# include <openssl/e_os2.h>

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# include <openssl/asn1.h>

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# ifdef OPENSSL_BUILD_SHLIBCRYPTO

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# undef OPENSSL_EXTERN

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# define OPENSSL_EXTERN OPENSSL_EXPORT

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# endif

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/* ASN1 template defines, structures and functions */

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#ifdef __cplusplus

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extern "C" {

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#endif

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# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION

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/* Macro to obtain ASN1_ADB pointer from a type (only used internally) */

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# define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr))

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/* Macros for start and end of ASN1_ITEM definition */

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# define ASN1_ITEM_start(itname) \

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const ASN1_ITEM itname##_it = {

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# define static_ASN1_ITEM_start(itname) \

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static const ASN1_ITEM itname##_it = {

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# define ASN1_ITEM_end(itname) \

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};

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# else

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/* Macro to obtain ASN1_ADB pointer from a type (only used internally) */

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# define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)((iptr)()))

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/* Macros for start and end of ASN1_ITEM definition */

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# define ASN1_ITEM_start(itname) \

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const ASN1_ITEM * itname##_it(void) \

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{ \

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static const ASN1_ITEM local_it = {

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# define static_ASN1_ITEM_start(itname) \

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static ASN1_ITEM_start(itname)

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# define ASN1_ITEM_end(itname) \

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}; \

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return &local_it; \

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}

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# endif

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/* Macros to aid ASN1 template writing */

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# define ASN1_ITEM_TEMPLATE(tname) \

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static const ASN1_TEMPLATE tname##_item_tt

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# define ASN1_ITEM_TEMPLATE_END(tname) \

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;\

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ASN1_ITEM_start(tname) \

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ASN1_ITYPE_PRIMITIVE,\

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-1,\

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&tname##_item_tt,\

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0,\

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NULL,\

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0,\

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#tname \

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ASN1_ITEM_end(tname)

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# define static_ASN1_ITEM_TEMPLATE_END(tname) \

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;\

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static_ASN1_ITEM_start(tname) \

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ASN1_ITYPE_PRIMITIVE,\

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-1,\

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&tname##_item_tt,\

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0,\

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NULL,\

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0,\

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#tname \

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ASN1_ITEM_end(tname)

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/* This is a ASN1 type which just embeds a template */

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/*-

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* This pair helps declare a SEQUENCE. We can do:

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*

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* ASN1_SEQUENCE(stname) = {

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* ... SEQUENCE components ...

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* } ASN1_SEQUENCE_END(stname)

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*

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* This will produce an ASN1_ITEM called stname_it

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* for a structure called stname.

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*

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* If you want the same structure but a different

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* name then use:

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*

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* ASN1_SEQUENCE(itname) = {

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* ... SEQUENCE components ...

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* } ASN1_SEQUENCE_END_name(stname, itname)

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*

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* This will create an item called itname_it using

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* a structure called stname.

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*/

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# define ASN1_SEQUENCE(tname) \

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static const ASN1_TEMPLATE tname##_seq_tt[]

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# define ASN1_SEQUENCE_END(stname) ASN1_SEQUENCE_END_name(stname, stname)

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# define static_ASN1_SEQUENCE_END(stname) static_ASN1_SEQUENCE_END_name(stname, stname)

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# define ASN1_SEQUENCE_END_name(stname, tname) \

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;\

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ASN1_ITEM_start(tname) \

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ASN1_ITYPE_SEQUENCE,\

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V_ASN1_SEQUENCE,\

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tname##_seq_tt,\

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sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\

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NULL,\

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sizeof(stname),\

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#tname \

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ASN1_ITEM_end(tname)

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# define static_ASN1_SEQUENCE_END_name(stname, tname) \

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;\

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static_ASN1_ITEM_start(tname) \

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ASN1_ITYPE_SEQUENCE,\

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V_ASN1_SEQUENCE,\

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tname##_seq_tt,\

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sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\

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NULL,\

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sizeof(stname),\

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#stname \

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ASN1_ITEM_end(tname)

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# define ASN1_NDEF_SEQUENCE(tname) \

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ASN1_SEQUENCE(tname)

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# define ASN1_NDEF_SEQUENCE_cb(tname, cb) \

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ASN1_SEQUENCE_cb(tname, cb)

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# define ASN1_SEQUENCE_cb(tname, cb) \

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static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \

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ASN1_SEQUENCE(tname)

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# define ASN1_BROKEN_SEQUENCE(tname) \

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static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_BROKEN, 0, 0, 0, 0}; \

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ASN1_SEQUENCE(tname)

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# define ASN1_SEQUENCE_ref(tname, cb) \

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static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), offsetof(tname, lock), cb, 0}; \

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ASN1_SEQUENCE(tname)

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# define ASN1_SEQUENCE_enc(tname, enc, cb) \

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static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, 0, cb, offsetof(tname, enc)}; \

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ASN1_SEQUENCE(tname)

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# define ASN1_NDEF_SEQUENCE_END(tname) \

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;\

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ASN1_ITEM_start(tname) \

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ASN1_ITYPE_NDEF_SEQUENCE,\

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V_ASN1_SEQUENCE,\

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tname##_seq_tt,\

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sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\

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NULL,\

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sizeof(tname),\

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#tname \

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ASN1_ITEM_end(tname)

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# define static_ASN1_NDEF_SEQUENCE_END(tname) \

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;\

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static_ASN1_ITEM_start(tname) \

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ASN1_ITYPE_NDEF_SEQUENCE,\

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V_ASN1_SEQUENCE,\

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tname##_seq_tt,\

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sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\

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NULL,\

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sizeof(tname),\

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#tname \

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ASN1_ITEM_end(tname)

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# define ASN1_BROKEN_SEQUENCE_END(stname) ASN1_SEQUENCE_END_ref(stname, stname)

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# define static_ASN1_BROKEN_SEQUENCE_END(stname) \

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static_ASN1_SEQUENCE_END_ref(stname, stname)

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# define ASN1_SEQUENCE_END_enc(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname)

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# define ASN1_SEQUENCE_END_cb(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname)

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# define static_ASN1_SEQUENCE_END_cb(stname, tname) static_ASN1_SEQUENCE_END_ref(stname, tname)

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# define ASN1_SEQUENCE_END_ref(stname, tname) \

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;\

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ASN1_ITEM_start(tname) \

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ASN1_ITYPE_SEQUENCE,\

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V_ASN1_SEQUENCE,\

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tname##_seq_tt,\

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sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\

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&tname##_aux,\

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sizeof(stname),\

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#tname \

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ASN1_ITEM_end(tname)

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# define static_ASN1_SEQUENCE_END_ref(stname, tname) \

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;\

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static_ASN1_ITEM_start(tname) \

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ASN1_ITYPE_SEQUENCE,\

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V_ASN1_SEQUENCE,\

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tname##_seq_tt,\

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sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\

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&tname##_aux,\

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sizeof(stname),\

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#stname \

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ASN1_ITEM_end(tname)

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# define ASN1_NDEF_SEQUENCE_END_cb(stname, tname) \

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;\

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ASN1_ITEM_start(tname) \

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ASN1_ITYPE_NDEF_SEQUENCE,\

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V_ASN1_SEQUENCE,\

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tname##_seq_tt,\

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sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\

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&tname##_aux,\

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sizeof(stname),\

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#stname \

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ASN1_ITEM_end(tname)

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/*-

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* This pair helps declare a CHOICE type. We can do:

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*

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* ASN1_CHOICE(chname) = {

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* ... CHOICE options ...

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* ASN1_CHOICE_END(chname)

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*

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* This will produce an ASN1_ITEM called chname_it

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* for a structure called chname. The structure

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* definition must look like this:

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* typedef struct {

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* int type;

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* union {

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* ASN1_SOMETHING *opt1;

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* ASN1_SOMEOTHER *opt2;

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* } value;

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* } chname;

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*

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* the name of the selector must be 'type'.

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* to use an alternative selector name use the

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* ASN1_CHOICE_END_selector() version.

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*/

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# define ASN1_CHOICE(tname) \

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static const ASN1_TEMPLATE tname##_ch_tt[]

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# define ASN1_CHOICE_cb(tname, cb) \

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static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \

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ASN1_CHOICE(tname)

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# define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname)

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# define static_ASN1_CHOICE_END(stname) static_ASN1_CHOICE_END_name(stname, stname)

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# define ASN1_CHOICE_END_name(stname, tname) ASN1_CHOICE_END_selector(stname, tname, type)

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# define static_ASN1_CHOICE_END_name(stname, tname) static_ASN1_CHOICE_END_selector(stname, tname, type)

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# define ASN1_CHOICE_END_selector(stname, tname, selname) \

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;\

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ASN1_ITEM_start(tname) \

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ASN1_ITYPE_CHOICE,\

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offsetof(stname,selname) ,\

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tname##_ch_tt,\

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sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\

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NULL,\

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sizeof(stname),\

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#stname \

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ASN1_ITEM_end(tname)

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# define static_ASN1_CHOICE_END_selector(stname, tname, selname) \

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;\

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static_ASN1_ITEM_start(tname) \

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ASN1_ITYPE_CHOICE,\

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offsetof(stname,selname) ,\

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tname##_ch_tt,\

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sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\

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NULL,\

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sizeof(stname),\

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#stname \

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ASN1_ITEM_end(tname)

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# define ASN1_CHOICE_END_cb(stname, tname, selname) \

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;\

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ASN1_ITEM_start(tname) \

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ASN1_ITYPE_CHOICE,\

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offsetof(stname,selname) ,\

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tname##_ch_tt,\

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sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\

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&tname##_aux,\

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sizeof(stname),\

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#stname \

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ASN1_ITEM_end(tname)

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/* This helps with the template wrapper form of ASN1_ITEM */

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# define ASN1_EX_TEMPLATE_TYPE(flags, tag, name, type) { \

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(flags), (tag), 0,\

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#name, ASN1_ITEM_ref(type) }

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/* These help with SEQUENCE or CHOICE components */

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/* used to declare other types */

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# define ASN1_EX_TYPE(flags, tag, stname, field, type) { \

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(flags), (tag), offsetof(stname, field),\

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#field, ASN1_ITEM_ref(type) }

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/* implicit and explicit helper macros */

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# define ASN1_IMP_EX(stname, field, type, tag, ex) \

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ASN1_EX_TYPE(ASN1_TFLG_IMPLICIT | (ex), tag, stname, field, type)

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# define ASN1_EXP_EX(stname, field, type, tag, ex) \

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ASN1_EX_TYPE(ASN1_TFLG_EXPLICIT | (ex), tag, stname, field, type)

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/* Any defined by macros: the field used is in the table itself */

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# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION

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# define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) }

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# define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) }

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# else

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# define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, tblname##_adb }

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# define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, tblname##_adb }

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# endif

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/* Plain simple type */

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# define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0,0, stname, field, type)

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/* Embedded simple type */

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# define ASN1_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_EMBED,0, stname, field, type)

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/* OPTIONAL simple type */

[346] Fix | Delete

# define ASN1_OPT(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type)

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# define ASN1_OPT_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED, 0, stname, field, type)

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/* IMPLICIT tagged simple type */

[350] Fix | Delete

# define ASN1_IMP(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, 0)

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# define ASN1_IMP_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_EMBED)

[352] Fix | Delete

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/* IMPLICIT tagged OPTIONAL simple type */

[354] Fix | Delete

# define ASN1_IMP_OPT(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)

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# define ASN1_IMP_OPT_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED)

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/* Same as above but EXPLICIT */

[358] Fix | Delete

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# define ASN1_EXP(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, 0)

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# define ASN1_EXP_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_EMBED)

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# define ASN1_EXP_OPT(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)

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# define ASN1_EXP_OPT_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED)

[363] Fix | Delete

[364] Fix | Delete

/* SEQUENCE OF type */

[365] Fix | Delete

# define ASN1_SEQUENCE_OF(stname, field, type) \

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ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, stname, field, type)

[367] Fix | Delete

[368] Fix | Delete

/* OPTIONAL SEQUENCE OF */

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# define ASN1_SEQUENCE_OF_OPT(stname, field, type) \

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ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type)

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[372] Fix | Delete

/* Same as above but for SET OF */

[373] Fix | Delete

[374] Fix | Delete

# define ASN1_SET_OF(stname, field, type) \

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ASN1_EX_TYPE(ASN1_TFLG_SET_OF, 0, stname, field, type)

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[377] Fix | Delete

# define ASN1_SET_OF_OPT(stname, field, type) \

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ASN1_EX_TYPE(ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type)

[379] Fix | Delete

[380] Fix | Delete

/* Finally compound types of SEQUENCE, SET, IMPLICIT, EXPLICIT and OPTIONAL */

[381] Fix | Delete

[382] Fix | Delete

# define ASN1_IMP_SET_OF(stname, field, type, tag) \

[383] Fix | Delete

ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF)

[384] Fix | Delete

[385] Fix | Delete

# define ASN1_EXP_SET_OF(stname, field, type, tag) \

[386] Fix | Delete

ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF)

[387] Fix | Delete

[388] Fix | Delete

# define ASN1_IMP_SET_OF_OPT(stname, field, type, tag) \

[389] Fix | Delete

ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL)

[390] Fix | Delete

[391] Fix | Delete

# define ASN1_EXP_SET_OF_OPT(stname, field, type, tag) \

[392] Fix | Delete

ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL)

[393] Fix | Delete

[394] Fix | Delete

# define ASN1_IMP_SEQUENCE_OF(stname, field, type, tag) \

[395] Fix | Delete

ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF)

[396] Fix | Delete

[397] Fix | Delete

# define ASN1_IMP_SEQUENCE_OF_OPT(stname, field, type, tag) \

[398] Fix | Delete

ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL)

[399] Fix | Delete

[400] Fix | Delete

# define ASN1_EXP_SEQUENCE_OF(stname, field, type, tag) \

[401] Fix | Delete

ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF)

[402] Fix | Delete

[403] Fix | Delete

# define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \

[404] Fix | Delete

ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL)

[405] Fix | Delete

[406] Fix | Delete

/* EXPLICIT using indefinite length constructed form */

[407] Fix | Delete

# define ASN1_NDEF_EXP(stname, field, type, tag) \

[408] Fix | Delete

ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_NDEF)

[409] Fix | Delete

[410] Fix | Delete

/* EXPLICIT OPTIONAL using indefinite length constructed form */

[411] Fix | Delete

# define ASN1_NDEF_EXP_OPT(stname, field, type, tag) \

[412] Fix | Delete

ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_NDEF)

[413] Fix | Delete

[414] Fix | Delete

/* Macros for the ASN1_ADB structure */

[415] Fix | Delete

[416] Fix | Delete

# define ASN1_ADB(name) \

[417] Fix | Delete

static const ASN1_ADB_TABLE name##_adbtbl[]

[418] Fix | Delete

[419] Fix | Delete

# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION

[420] Fix | Delete

[421] Fix | Delete

# define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \

[422] Fix | Delete

;\

[423] Fix | Delete

static const ASN1_ADB name##_adb = {\

[424] Fix | Delete

flags,\

[425] Fix | Delete

offsetof(name, field),\

[426] Fix | Delete

adb_cb,\

[427] Fix | Delete

name##_adbtbl,\

[428] Fix | Delete

sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\

[429] Fix | Delete

def,\

[430] Fix | Delete

none\

[431] Fix | Delete

}

[432] Fix | Delete

[433] Fix | Delete

# else

[434] Fix | Delete

[435] Fix | Delete

# define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \

[436] Fix | Delete

;\

[437] Fix | Delete

static const ASN1_ITEM *name##_adb(void) \

[438] Fix | Delete

{ \

[439] Fix | Delete

static const ASN1_ADB internal_adb = \

[440] Fix | Delete

{\

[441] Fix | Delete

flags,\

[442] Fix | Delete

offsetof(name, field),\

[443] Fix | Delete

adb_cb,\

[444] Fix | Delete

name##_adbtbl,\

[445] Fix | Delete

sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\

[446] Fix | Delete

def,\

[447] Fix | Delete

none\

[448] Fix | Delete

}; \

[449] Fix | Delete

return (const ASN1_ITEM *) &internal_adb; \

[450] Fix | Delete

} \

[451] Fix | Delete

void dummy_function(void)

[452] Fix | Delete

[453] Fix | Delete

# endif

[454] Fix | Delete

[455] Fix | Delete

# define ADB_ENTRY(val, template) {val, template}

[456] Fix | Delete

[457] Fix | Delete

# define ASN1_ADB_TEMPLATE(name) \

[458] Fix | Delete

static const ASN1_TEMPLATE name##_tt

[459] Fix | Delete

[460] Fix | Delete

/*

[461] Fix | Delete

* This is the ASN1 template structure that defines a wrapper round the

[462] Fix | Delete

* actual type. It determines the actual position of the field in the value

[463] Fix | Delete

* structure, various flags such as OPTIONAL and the field name.

[464] Fix | Delete

*/

[465] Fix | Delete

[466] Fix | Delete

struct ASN1_TEMPLATE_st {

[467] Fix | Delete

unsigned long flags; /* Various flags */

[468] Fix | Delete

long tag; /* tag, not used if no tagging */

[469] Fix | Delete

unsigned long offset; /* Offset of this field in structure */

[470] Fix | Delete

const char *field_name; /* Field name */

[471] Fix | Delete

ASN1_ITEM_EXP *item; /* Relevant ASN1_ITEM or ASN1_ADB */

[472] Fix | Delete

};

[473] Fix | Delete

[474] Fix | Delete

/* Macro to extract ASN1_ITEM and ASN1_ADB pointer from ASN1_TEMPLATE */

[475] Fix | Delete

[476] Fix | Delete

# define ASN1_TEMPLATE_item(t) (t->item_ptr)

[477] Fix | Delete

# define ASN1_TEMPLATE_adb(t) (t->item_ptr)

[478] Fix | Delete

[479] Fix | Delete

typedef struct ASN1_ADB_TABLE_st ASN1_ADB_TABLE;

[480] Fix | Delete

typedef struct ASN1_ADB_st ASN1_ADB;

[481] Fix | Delete

[482] Fix | Delete

struct ASN1_ADB_st {

[483] Fix | Delete

unsigned long flags; /* Various flags */

[484] Fix | Delete

unsigned long offset; /* Offset of selector field */

[485] Fix | Delete

int (*adb_cb)(long *psel); /* Application callback */

[486] Fix | Delete

const ASN1_ADB_TABLE *tbl; /* Table of possible types */

[487] Fix | Delete

long tblcount; /* Number of entries in tbl */

[488] Fix | Delete

const ASN1_TEMPLATE *default_tt; /* Type to use if no match */

[489] Fix | Delete

const ASN1_TEMPLATE *null_tt; /* Type to use if selector is NULL */

[490] Fix | Delete

};

[491] Fix | Delete

[492] Fix | Delete

struct ASN1_ADB_TABLE_st {

[493] Fix | Delete

long value; /* NID for an object or value for an int */

[494] Fix | Delete

const ASN1_TEMPLATE tt; /* item for this value */

[495] Fix | Delete

};

[496] Fix | Delete

[497] Fix | Delete

/* template flags */

[498] Fix | Delete

[499] Fix | Delete