epoc32/include/stdapis/openssl/asn1t.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 0 061f57f2323e
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
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/* asn1t.h */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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 * project 2000.
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 */
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/* ====================================================================
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 * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer. 
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in
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 *    the documentation and/or other materials provided with the
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 *    distribution.
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 *
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 * 3. All advertising materials mentioning features or use of this
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 *    software must display the following acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 *
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    endorse or promote products derived from this software without
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 *    prior written permission. For written permission, please contact
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 *    licensing@OpenSSL.org.
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 *
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    nor may "OpenSSL" appear in their names without prior written
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 *    permission of the OpenSSL Project.
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 *
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 * 6. Redistributions of any form whatsoever must retain the following
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 *    acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ====================================================================
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 *
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 * This product includes cryptographic software written by Eric Young
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 * (eay@cryptsoft.com).  This product includes software written by Tim
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 * Hudson (tjh@cryptsoft.com).
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 *
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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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	OPENSSL_GLOBAL 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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	EXPORT_C 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 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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/* This is a ASN1 type which just embeds a template */
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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 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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		#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_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, lck) \
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	static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), lck, 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 ASN1_BROKEN_SEQUENCE_END(stname) 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 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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		#stname \
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	ASN1_ITEM_end(tname)
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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 ASN1_CHOICE_END_name(stname, tname) 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 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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/* used when the structure is combined with the parent */
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#define ASN1_EX_COMBINE(flags, tag, type) { \
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	(flags)|ASN1_TFLG_COMBINE, (tag), 0, NULL, 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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/* OPTIONAL simple type */
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#define ASN1_OPT(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type)
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/* IMPLICIT tagged simple type */
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#define ASN1_IMP(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, 0)
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/* IMPLICIT tagged OPTIONAL simple type */
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#define ASN1_IMP_OPT(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)
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/* Same as above but EXPLICIT */
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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_OPT(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)
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/* SEQUENCE OF type */
williamr@2
   330
#define ASN1_SEQUENCE_OF(stname, field, type) \
williamr@2
   331
		ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, stname, field, type)
williamr@2
   332
williamr@2
   333
/* OPTIONAL SEQUENCE OF */
williamr@2
   334
#define ASN1_SEQUENCE_OF_OPT(stname, field, type) \
williamr@2
   335
		ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type)
williamr@2
   336
williamr@2
   337
/* Same as above but for SET OF */
williamr@2
   338
williamr@2
   339
#define ASN1_SET_OF(stname, field, type) \
williamr@2
   340
		ASN1_EX_TYPE(ASN1_TFLG_SET_OF, 0, stname, field, type)
williamr@2
   341
williamr@2
   342
#define ASN1_SET_OF_OPT(stname, field, type) \
williamr@2
   343
		ASN1_EX_TYPE(ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type)
williamr@2
   344
williamr@2
   345
/* Finally compound types of SEQUENCE, SET, IMPLICIT, EXPLICIT and OPTIONAL */
williamr@2
   346
williamr@2
   347
#define ASN1_IMP_SET_OF(stname, field, type, tag) \
williamr@2
   348
			ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF)
williamr@2
   349
williamr@2
   350
#define ASN1_EXP_SET_OF(stname, field, type, tag) \
williamr@2
   351
			ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF)
williamr@2
   352
williamr@2
   353
#define ASN1_IMP_SET_OF_OPT(stname, field, type, tag) \
williamr@2
   354
			ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL)
williamr@2
   355
williamr@2
   356
#define ASN1_EXP_SET_OF_OPT(stname, field, type, tag) \
williamr@2
   357
			ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL)
williamr@2
   358
williamr@2
   359
#define ASN1_IMP_SEQUENCE_OF(stname, field, type, tag) \
williamr@2
   360
			ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF)
williamr@2
   361
williamr@2
   362
#define ASN1_IMP_SEQUENCE_OF_OPT(stname, field, type, tag) \
williamr@2
   363
			ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL)
williamr@2
   364
williamr@2
   365
#define ASN1_EXP_SEQUENCE_OF(stname, field, type, tag) \
williamr@2
   366
			ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF)
williamr@2
   367
williamr@2
   368
#define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \
williamr@2
   369
			ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL)
williamr@2
   370
williamr@2
   371
/* EXPLICIT OPTIONAL using indefinite length constructed form */
williamr@2
   372
#define ASN1_NDEF_EXP_OPT(stname, field, type, tag) \
williamr@2
   373
			ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_NDEF)
williamr@2
   374
williamr@2
   375
/* Macros for the ASN1_ADB structure */
williamr@2
   376
williamr@2
   377
#define ASN1_ADB(name) \
williamr@2
   378
	static const ASN1_ADB_TABLE name##_adbtbl[] 
williamr@2
   379
williamr@2
   380
#ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
williamr@2
   381
williamr@2
   382
#define ASN1_ADB_END(name, flags, field, app_table, def, none) \
williamr@2
   383
	;\
williamr@2
   384
	static const ASN1_ADB name##_adb = {\
williamr@2
   385
		flags,\
williamr@2
   386
		offsetof(name, field),\
williamr@2
   387
		app_table,\
williamr@2
   388
		name##_adbtbl,\
williamr@2
   389
		sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\
williamr@2
   390
		def,\
williamr@2
   391
		none\
williamr@2
   392
	}
williamr@2
   393
williamr@2
   394
#else
williamr@2
   395
williamr@2
   396
#define ASN1_ADB_END(name, flags, field, app_table, def, none) \
williamr@2
   397
	;\
williamr@2
   398
	EXPORT_C static const ASN1_ITEM *name##_adb(void) \
williamr@2
   399
	{ \
williamr@2
   400
	static const ASN1_ADB internal_adb = \
williamr@2
   401
		{\
williamr@2
   402
		flags,\
williamr@2
   403
		offsetof(name, field),\
williamr@2
   404
		app_table,\
williamr@2
   405
		name##_adbtbl,\
williamr@2
   406
		sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\
williamr@2
   407
		def,\
williamr@2
   408
		none\
williamr@2
   409
		}; \
williamr@2
   410
		return (const ASN1_ITEM *) &internal_adb; \
williamr@2
   411
	} \
williamr@2
   412
	void dummy_function(void)
williamr@2
   413
williamr@2
   414
#endif
williamr@2
   415
williamr@2
   416
#define ADB_ENTRY(val, template) {val, template}
williamr@2
   417
williamr@2
   418
#define ASN1_ADB_TEMPLATE(name) \
williamr@2
   419
	static const ASN1_TEMPLATE name##_tt 
williamr@2
   420
williamr@2
   421
/* This is the ASN1 template structure that defines
williamr@2
   422
 * a wrapper round the actual type. It determines the
williamr@2
   423
 * actual position of the field in the value structure,
williamr@2
   424
 * various flags such as OPTIONAL and the field name.
williamr@2
   425
 */
williamr@2
   426
williamr@2
   427
struct ASN1_TEMPLATE_st {
williamr@2
   428
unsigned long flags;		/* Various flags */
williamr@2
   429
long tag;			/* tag, not used if no tagging */
williamr@2
   430
unsigned long offset;		/* Offset of this field in structure */
williamr@2
   431
#ifndef NO_ASN1_FIELD_NAMES
williamr@2
   432
const char *field_name;		/* Field name */
williamr@2
   433
#endif
williamr@2
   434
ASN1_ITEM_EXP *item;		/* Relevant ASN1_ITEM or ASN1_ADB */
williamr@2
   435
};
williamr@2
   436
williamr@2
   437
/* Macro to extract ASN1_ITEM and ASN1_ADB pointer from ASN1_TEMPLATE */
williamr@2
   438
williamr@2
   439
#define ASN1_TEMPLATE_item(t) (t->item_ptr)
williamr@2
   440
#define ASN1_TEMPLATE_adb(t) (t->item_ptr)
williamr@2
   441
williamr@2
   442
typedef struct ASN1_ADB_TABLE_st ASN1_ADB_TABLE;
williamr@2
   443
typedef struct ASN1_ADB_st ASN1_ADB;
williamr@2
   444
williamr@2
   445
struct ASN1_ADB_st {
williamr@2
   446
	unsigned long flags;	/* Various flags */
williamr@2
   447
	unsigned long offset;	/* Offset of selector field */
williamr@2
   448
	STACK_OF(ASN1_ADB_TABLE) **app_items; /* Application defined items */
williamr@2
   449
	const ASN1_ADB_TABLE *tbl;	/* Table of possible types */
williamr@2
   450
	long tblcount;		/* Number of entries in tbl */
williamr@2
   451
	const ASN1_TEMPLATE *default_tt;  /* Type to use if no match */
williamr@2
   452
	const ASN1_TEMPLATE *null_tt;  /* Type to use if selector is NULL */
williamr@2
   453
};
williamr@2
   454
williamr@2
   455
struct ASN1_ADB_TABLE_st {
williamr@2
   456
	long value;		/* NID for an object or value for an int */
williamr@2
   457
	const ASN1_TEMPLATE tt;		/* item for this value */
williamr@2
   458
};
williamr@2
   459
williamr@2
   460
/* template flags */
williamr@2
   461
williamr@2
   462
/* Field is optional */
williamr@2
   463
#define ASN1_TFLG_OPTIONAL	(0x1)
williamr@2
   464
williamr@2
   465
/* Field is a SET OF */
williamr@2
   466
#define ASN1_TFLG_SET_OF	(0x1 << 1)
williamr@2
   467
williamr@2
   468
/* Field is a SEQUENCE OF */
williamr@2
   469
#define ASN1_TFLG_SEQUENCE_OF	(0x2 << 1)
williamr@2
   470
williamr@2
   471
/* Special case: this refers to a SET OF that
williamr@2
   472
 * will be sorted into DER order when encoded *and*
williamr@2
   473
 * the corresponding STACK will be modified to match
williamr@2
   474
 * the new order.
williamr@2
   475
 */
williamr@2
   476
#define ASN1_TFLG_SET_ORDER	(0x3 << 1)
williamr@2
   477
williamr@2
   478
/* Mask for SET OF or SEQUENCE OF */
williamr@2
   479
#define ASN1_TFLG_SK_MASK	(0x3 << 1)
williamr@2
   480
williamr@2
   481
/* These flags mean the tag should be taken from the
williamr@2
   482
 * tag field. If EXPLICIT then the underlying type
williamr@2
   483
 * is used for the inner tag.
williamr@2
   484
 */
williamr@2
   485
williamr@2
   486
/* IMPLICIT tagging */
williamr@2
   487
#define ASN1_TFLG_IMPTAG	(0x1 << 3)
williamr@2
   488
williamr@2
   489
williamr@2
   490
/* EXPLICIT tagging, inner tag from underlying type */
williamr@2
   491
#define ASN1_TFLG_EXPTAG	(0x2 << 3)
williamr@2
   492
williamr@2
   493
#define ASN1_TFLG_TAG_MASK	(0x3 << 3)
williamr@2
   494
williamr@2
   495
/* context specific IMPLICIT */
williamr@2
   496
#define ASN1_TFLG_IMPLICIT	ASN1_TFLG_IMPTAG|ASN1_TFLG_CONTEXT
williamr@2
   497
williamr@2
   498
/* context specific EXPLICIT */
williamr@2
   499
#define ASN1_TFLG_EXPLICIT	ASN1_TFLG_EXPTAG|ASN1_TFLG_CONTEXT
williamr@2
   500
williamr@2
   501
/* If tagging is in force these determine the
williamr@2
   502
 * type of tag to use. Otherwise the tag is
williamr@2
   503
 * determined by the underlying type. These 
williamr@2
   504
 * values reflect the actual octet format.
williamr@2
   505
 */
williamr@2
   506
williamr@2
   507
/* Universal tag */ 
williamr@2
   508
#define ASN1_TFLG_UNIVERSAL	(0x0<<6)
williamr@2
   509
/* Application tag */ 
williamr@2
   510
#define ASN1_TFLG_APPLICATION	(0x1<<6)
williamr@2
   511
/* Context specific tag */ 
williamr@2
   512
#define ASN1_TFLG_CONTEXT	(0x2<<6)
williamr@2
   513
/* Private tag */ 
williamr@2
   514
#define ASN1_TFLG_PRIVATE	(0x3<<6)
williamr@2
   515
williamr@2
   516
#define ASN1_TFLG_TAG_CLASS	(0x3<<6)
williamr@2
   517
williamr@2
   518
/* These are for ANY DEFINED BY type. In this case
williamr@2
   519
 * the 'item' field points to an ASN1_ADB structure
williamr@2
   520
 * which contains a table of values to decode the
williamr@2
   521
 * relevant type
williamr@2
   522
 */
williamr@2
   523
williamr@2
   524
#define ASN1_TFLG_ADB_MASK	(0x3<<8)
williamr@2
   525
williamr@2
   526
#define ASN1_TFLG_ADB_OID	(0x1<<8)
williamr@2
   527
williamr@2
   528
#define ASN1_TFLG_ADB_INT	(0x1<<9)
williamr@2
   529
williamr@2
   530
/* This flag means a parent structure is passed
williamr@2
   531
 * instead of the field: this is useful is a
williamr@2
   532
 * SEQUENCE is being combined with a CHOICE for
williamr@2
   533
 * example. Since this means the structure and
williamr@2
   534
 * item name will differ we need to use the
williamr@2
   535
 * ASN1_CHOICE_END_name() macro for example.
williamr@2
   536
 */
williamr@2
   537
williamr@2
   538
#define ASN1_TFLG_COMBINE	(0x1<<10)
williamr@2
   539
williamr@2
   540
/* This flag when present in a SEQUENCE OF, SET OF
williamr@2
   541
 * or EXPLICIT causes indefinite length constructed
williamr@2
   542
 * encoding to be used if required.
williamr@2
   543
 */
williamr@2
   544
williamr@2
   545
#define ASN1_TFLG_NDEF		(0x1<<11)
williamr@2
   546
williamr@2
   547
/* This is the actual ASN1 item itself */
williamr@2
   548
williamr@2
   549
struct ASN1_ITEM_st {
williamr@2
   550
char itype;			/* The item type, primitive, SEQUENCE, CHOICE or extern */
williamr@2
   551
long utype;			/* underlying type */
williamr@2
   552
const ASN1_TEMPLATE *templates;	/* If SEQUENCE or CHOICE this contains the contents */
williamr@2
   553
long tcount;			/* Number of templates if SEQUENCE or CHOICE */
williamr@2
   554
const void *funcs;		/* functions that handle this type */
williamr@2
   555
long size;			/* Structure size (usually)*/
williamr@2
   556
#ifndef NO_ASN1_FIELD_NAMES
williamr@2
   557
const char *sname;		/* Structure name */
williamr@2
   558
#endif
williamr@2
   559
};
williamr@2
   560
williamr@2
   561
/* These are values for the itype field and
williamr@2
   562
 * determine how the type is interpreted.
williamr@2
   563
 *
williamr@2
   564
 * For PRIMITIVE types the underlying type
williamr@2
   565
 * determines the behaviour if items is NULL.
williamr@2
   566
 *
williamr@2
   567
 * Otherwise templates must contain a single 
williamr@2
   568
 * template and the type is treated in the
williamr@2
   569
 * same way as the type specified in the template.
williamr@2
   570
 *
williamr@2
   571
 * For SEQUENCE types the templates field points
williamr@2
   572
 * to the members, the size field is the
williamr@2
   573
 * structure size.
williamr@2
   574
 *
williamr@2
   575
 * For CHOICE types the templates field points
williamr@2
   576
 * to each possible member (typically a union)
williamr@2
   577
 * and the 'size' field is the offset of the
williamr@2
   578
 * selector.
williamr@2
   579
 *
williamr@2
   580
 * The 'funcs' field is used for application
williamr@2
   581
 * specific functions. 
williamr@2
   582
 *
williamr@2
   583
 * For COMPAT types the funcs field gives a
williamr@2
   584
 * set of functions that handle this type, this
williamr@2
   585
 * supports the old d2i, i2d convention.
williamr@2
   586
 *
williamr@2
   587
 * The EXTERN type uses a new style d2i/i2d.
williamr@2
   588
 * The new style should be used where possible
williamr@2
   589
 * because it avoids things like the d2i IMPLICIT
williamr@2
   590
 * hack.
williamr@2
   591
 *
williamr@2
   592
 * MSTRING is a multiple string type, it is used
williamr@2
   593
 * for a CHOICE of character strings where the
williamr@2
   594
 * actual strings all occupy an ASN1_STRING
williamr@2
   595
 * structure. In this case the 'utype' field
williamr@2
   596
 * has a special meaning, it is used as a mask
williamr@2
   597
 * of acceptable types using the B_ASN1 constants.
williamr@2
   598
 *
williamr@2
   599
 * NDEF_SEQUENCE is the same as SEQUENCE except
williamr@2
   600
 * that it will use indefinite length constructed
williamr@2
   601
 * encoding if requested.
williamr@2
   602
 *
williamr@2
   603
 */
williamr@2
   604
williamr@2
   605
#define ASN1_ITYPE_PRIMITIVE		0x0
williamr@2
   606
williamr@2
   607
#define ASN1_ITYPE_SEQUENCE		0x1
williamr@2
   608
williamr@2
   609
#define ASN1_ITYPE_CHOICE		0x2
williamr@2
   610
williamr@2
   611
#define ASN1_ITYPE_COMPAT		0x3
williamr@2
   612
williamr@2
   613
#define ASN1_ITYPE_EXTERN		0x4
williamr@2
   614
williamr@2
   615
#define ASN1_ITYPE_MSTRING		0x5
williamr@2
   616
williamr@2
   617
#define ASN1_ITYPE_NDEF_SEQUENCE	0x6
williamr@2
   618
williamr@2
   619
/* Cache for ASN1 tag and length, so we
williamr@2
   620
 * don't keep re-reading it for things
williamr@2
   621
 * like CHOICE
williamr@2
   622
 */
williamr@2
   623
williamr@2
   624
struct ASN1_TLC_st{
williamr@2
   625
	char valid;	/* Values below are valid */
williamr@2
   626
	int ret;	/* return value */
williamr@2
   627
	long plen;	/* length */
williamr@2
   628
	int ptag;	/* class value */
williamr@2
   629
	int pclass;	/* class value */
williamr@2
   630
	int hdrlen;	/* header length */
williamr@2
   631
};
williamr@2
   632
williamr@2
   633
/* Typedefs for ASN1 function pointers */
williamr@2
   634
williamr@2
   635
typedef ASN1_VALUE * ASN1_new_func(void);
williamr@2
   636
typedef void ASN1_free_func(ASN1_VALUE *a);
williamr@2
   637
typedef ASN1_VALUE * ASN1_d2i_func(ASN1_VALUE **a, const unsigned char ** in, long length);
williamr@2
   638
typedef int ASN1_i2d_func(ASN1_VALUE * a, unsigned char **in);
williamr@2
   639
williamr@2
   640
typedef int ASN1_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,
williamr@2
   641
					int tag, int aclass, char opt, ASN1_TLC *ctx);
williamr@2
   642
williamr@2
   643
typedef int ASN1_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
williamr@2
   644
typedef int ASN1_ex_new_func(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   645
typedef void ASN1_ex_free_func(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   646
williamr@2
   647
typedef int ASN1_primitive_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it);
williamr@2
   648
typedef int ASN1_primitive_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
williamr@2
   649
williamr@2
   650
typedef struct ASN1_COMPAT_FUNCS_st {
williamr@2
   651
	ASN1_new_func *asn1_new;
williamr@2
   652
	ASN1_free_func *asn1_free;
williamr@2
   653
	ASN1_d2i_func *asn1_d2i;
williamr@2
   654
	ASN1_i2d_func *asn1_i2d;
williamr@2
   655
} ASN1_COMPAT_FUNCS;
williamr@2
   656
williamr@2
   657
typedef struct ASN1_EXTERN_FUNCS_st {
williamr@2
   658
	void *app_data;
williamr@2
   659
	ASN1_ex_new_func *asn1_ex_new;
williamr@2
   660
	ASN1_ex_free_func *asn1_ex_free;
williamr@2
   661
	ASN1_ex_free_func *asn1_ex_clear;
williamr@2
   662
	ASN1_ex_d2i *asn1_ex_d2i;
williamr@2
   663
	ASN1_ex_i2d *asn1_ex_i2d;
williamr@2
   664
} ASN1_EXTERN_FUNCS;
williamr@2
   665
williamr@2
   666
typedef struct ASN1_PRIMITIVE_FUNCS_st {
williamr@2
   667
	void *app_data;
williamr@2
   668
	unsigned long flags;
williamr@2
   669
	ASN1_ex_new_func *prim_new;
williamr@2
   670
	ASN1_ex_free_func *prim_free;
williamr@2
   671
	ASN1_ex_free_func *prim_clear;
williamr@2
   672
	ASN1_primitive_c2i *prim_c2i;
williamr@2
   673
	ASN1_primitive_i2c *prim_i2c;
williamr@2
   674
} ASN1_PRIMITIVE_FUNCS;
williamr@2
   675
williamr@2
   676
/* This is the ASN1_AUX structure: it handles various
williamr@2
   677
 * miscellaneous requirements. For example the use of
williamr@2
   678
 * reference counts and an informational callback.
williamr@2
   679
 *
williamr@2
   680
 * The "informational callback" is called at various
williamr@2
   681
 * points during the ASN1 encoding and decoding. It can
williamr@2
   682
 * be used to provide minor customisation of the structures
williamr@2
   683
 * used. This is most useful where the supplied routines
williamr@2
   684
 * *almost* do the right thing but need some extra help
williamr@2
   685
 * at a few points. If the callback returns zero then
williamr@2
   686
 * it is assumed a fatal error has occurred and the 
williamr@2
   687
 * main operation should be abandoned.
williamr@2
   688
 *
williamr@2
   689
 * If major changes in the default behaviour are required
williamr@2
   690
 * then an external type is more appropriate.
williamr@2
   691
 */
williamr@2
   692
williamr@2
   693
typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it);
williamr@2
   694
williamr@2
   695
typedef struct ASN1_AUX_st {
williamr@2
   696
	void *app_data;
williamr@2
   697
	int flags;
williamr@2
   698
	int ref_offset;		/* Offset of reference value */
williamr@2
   699
	int ref_lock;		/* Lock type to use */
williamr@2
   700
	ASN1_aux_cb *asn1_cb;
williamr@2
   701
	int enc_offset;		/* Offset of ASN1_ENCODING structure */
williamr@2
   702
} ASN1_AUX;
williamr@2
   703
williamr@2
   704
/* Flags in ASN1_AUX */
williamr@2
   705
williamr@2
   706
/* Use a reference count */
williamr@2
   707
#define ASN1_AFLG_REFCOUNT	1
williamr@2
   708
/* Save the encoding of structure (useful for signatures) */
williamr@2
   709
#define ASN1_AFLG_ENCODING	2
williamr@2
   710
/* The Sequence length is invalid */
williamr@2
   711
#define ASN1_AFLG_BROKEN	4
williamr@2
   712
williamr@2
   713
/* operation values for asn1_cb */
williamr@2
   714
williamr@2
   715
#define ASN1_OP_NEW_PRE		0
williamr@2
   716
#define ASN1_OP_NEW_POST	1
williamr@2
   717
#define ASN1_OP_FREE_PRE	2
williamr@2
   718
#define ASN1_OP_FREE_POST	3
williamr@2
   719
#define ASN1_OP_D2I_PRE		4
williamr@2
   720
#define ASN1_OP_D2I_POST	5
williamr@2
   721
#define ASN1_OP_I2D_PRE		6
williamr@2
   722
#define ASN1_OP_I2D_POST	7
williamr@2
   723
williamr@2
   724
/* Macro to implement a primitive type */
williamr@2
   725
#define IMPLEMENT_ASN1_TYPE(stname) IMPLEMENT_ASN1_TYPE_ex(stname, stname, 0)
williamr@2
   726
#define IMPLEMENT_ASN1_TYPE_ex(itname, vname, ex) \
williamr@2
   727
				ASN1_ITEM_start(itname) \
williamr@2
   728
					ASN1_ITYPE_PRIMITIVE, V_##vname, NULL, 0, NULL, ex, #itname \
williamr@2
   729
				ASN1_ITEM_end(itname)
williamr@2
   730
williamr@2
   731
/* Macro to implement a multi string type */
williamr@2
   732
#define IMPLEMENT_ASN1_MSTRING(itname, mask) \
williamr@2
   733
				ASN1_ITEM_start(itname) \
williamr@2
   734
					ASN1_ITYPE_MSTRING, mask, NULL, 0, NULL, sizeof(ASN1_STRING), #itname \
williamr@2
   735
				ASN1_ITEM_end(itname)
williamr@2
   736
williamr@2
   737
/* Macro to implement an ASN1_ITEM in terms of old style funcs */
williamr@2
   738
williamr@2
   739
#define IMPLEMENT_COMPAT_ASN1(sname) IMPLEMENT_COMPAT_ASN1_type(sname, V_ASN1_SEQUENCE)
williamr@2
   740
williamr@2
   741
#define IMPLEMENT_COMPAT_ASN1_type(sname, tag) \
williamr@2
   742
	static const ASN1_COMPAT_FUNCS sname##_ff = { \
williamr@2
   743
		(ASN1_new_func *)sname##_new, \
williamr@2
   744
		(ASN1_free_func *)sname##_free, \
williamr@2
   745
		(ASN1_d2i_func *)d2i_##sname, \
williamr@2
   746
		(ASN1_i2d_func *)i2d_##sname, \
williamr@2
   747
	}; \
williamr@2
   748
	ASN1_ITEM_start(sname) \
williamr@2
   749
		ASN1_ITYPE_COMPAT, \
williamr@2
   750
		tag, \
williamr@2
   751
		NULL, \
williamr@2
   752
		0, \
williamr@2
   753
		&sname##_ff, \
williamr@2
   754
		0, \
williamr@2
   755
		#sname \
williamr@2
   756
	ASN1_ITEM_end(sname)
williamr@2
   757
williamr@2
   758
#define IMPLEMENT_EXTERN_ASN1(sname, tag, fptrs) \
williamr@2
   759
	ASN1_ITEM_start(sname) \
williamr@2
   760
		ASN1_ITYPE_EXTERN, \
williamr@2
   761
		tag, \
williamr@2
   762
		NULL, \
williamr@2
   763
		0, \
williamr@2
   764
		&fptrs, \
williamr@2
   765
		0, \
williamr@2
   766
		#sname \
williamr@2
   767
	ASN1_ITEM_end(sname)
williamr@2
   768
williamr@2
   769
/* Macro to implement standard functions in terms of ASN1_ITEM structures */
williamr@2
   770
williamr@2
   771
#define IMPLEMENT_ASN1_FUNCTIONS(stname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, stname, stname)
williamr@2
   772
williamr@2
   773
#define IMPLEMENT_ASN1_FUNCTIONS_name(stname, itname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, itname)
williamr@2
   774
williamr@2
   775
#define IMPLEMENT_ASN1_FUNCTIONS_ENCODE_name(stname, itname) \
williamr@2
   776
			IMPLEMENT_ASN1_FUNCTIONS_ENCODE_fname(stname, itname, itname)
williamr@2
   777
williamr@2
   778
#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS(stname) \
williamr@2
   779
		IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, stname, stname)
williamr@2
   780
williamr@2
   781
#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) \
williamr@2
   782
	EXPORT_C stname *fname##_new(void) \
williamr@2
   783
	{ \
williamr@2
   784
		return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \
williamr@2
   785
	} \
williamr@2
   786
	EXPORT_C void fname##_free(stname *a) \
williamr@2
   787
	{ \
williamr@2
   788
		ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \
williamr@2
   789
	}
williamr@2
   790
williamr@2
   791
#define IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, fname) \
williamr@2
   792
	IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \
williamr@2
   793
	IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname)
williamr@2
   794
williamr@2
   795
#define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \
williamr@2
   796
	EXPORT_C stname *d2i_##fname(stname **a, const unsigned char **in, long len) \
williamr@2
   797
	{ \
williamr@2
   798
		return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\
williamr@2
   799
	} \
williamr@2
   800
	EXPORT_C int i2d_##fname(stname *a, unsigned char **out) \
williamr@2
   801
	{ \
williamr@2
   802
		return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\
williamr@2
   803
	} 
williamr@2
   804
williamr@2
   805
#define IMPLEMENT_ASN1_NDEF_FUNCTION(stname) \
williamr@2
   806
	EXPORT_C int i2d_##stname##_NDEF(stname *a, unsigned char **out) \
williamr@2
   807
	{ \
williamr@2
   808
		return ASN1_item_ndef_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(stname));\
williamr@2
   809
	} 
williamr@2
   810
williamr@2
   811
/* This includes evil casts to remove const: they will go away when full
williamr@2
   812
 * ASN1 constification is done.
williamr@2
   813
 */
williamr@2
   814
#define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \
williamr@2
   815
	EXPORT_C stname *d2i_##fname(stname **a, const unsigned char **in, long len) \
williamr@2
   816
	{ \
williamr@2
   817
		return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\
williamr@2
   818
	} \
williamr@2
   819
	EXPORT_C int i2d_##fname(const stname *a, unsigned char **out) \
williamr@2
   820
	{ \
williamr@2
   821
		return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\
williamr@2
   822
	} 
williamr@2
   823
williamr@2
   824
#define IMPLEMENT_ASN1_DUP_FUNCTION(stname) \
williamr@2
   825
	EXPORT_C stname * stname##_dup(stname *x) \
williamr@2
   826
        { \
williamr@2
   827
        return ASN1_item_dup(ASN1_ITEM_rptr(stname), x); \
williamr@2
   828
        }
williamr@2
   829
williamr@2
   830
#define IMPLEMENT_ASN1_FUNCTIONS_const(name) \
williamr@2
   831
		IMPLEMENT_ASN1_FUNCTIONS_const_fname(name, name, name)
williamr@2
   832
williamr@2
   833
#define IMPLEMENT_ASN1_FUNCTIONS_const_fname(stname, itname, fname) \
williamr@2
   834
	IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \
williamr@2
   835
	IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname)
williamr@2
   836
williamr@2
   837
/* external definitions for primitive types */
williamr@2
   838
williamr@2
   839
DECLARE_ASN1_ITEM(ASN1_BOOLEAN)
williamr@2
   840
DECLARE_ASN1_ITEM(ASN1_TBOOLEAN)
williamr@2
   841
DECLARE_ASN1_ITEM(ASN1_FBOOLEAN)
williamr@2
   842
DECLARE_ASN1_ITEM(ASN1_SEQUENCE)
williamr@2
   843
DECLARE_ASN1_ITEM(CBIGNUM)
williamr@2
   844
DECLARE_ASN1_ITEM(BIGNUM)
williamr@2
   845
DECLARE_ASN1_ITEM(LONG)
williamr@2
   846
DECLARE_ASN1_ITEM(ZLONG)
williamr@2
   847
williamr@2
   848
DECLARE_STACK_OF(ASN1_VALUE)
williamr@2
   849
williamr@2
   850
/* Functions used internally by the ASN1 code */
williamr@2
   851
williamr@2
   852
IMPORT_C int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   853
IMPORT_C void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   854
int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
williamr@2
   855
int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   856
williamr@2
   857
IMPORT_C void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
williamr@2
   858
int ASN1_template_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_TEMPLATE *tt);
williamr@2
   859
IMPORT_C int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,
williamr@2
   860
				int tag, int aclass, char opt, ASN1_TLC *ctx);
williamr@2
   861
williamr@2
   862
IMPORT_C int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
williamr@2
   863
int ASN1_template_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_TEMPLATE *tt);
williamr@2
   864
IMPORT_C void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   865
williamr@2
   866
int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it);
williamr@2
   867
int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
williamr@2
   868
williamr@2
   869
IMPORT_C int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   870
IMPORT_C int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it);
williamr@2
   871
williamr@2
   872
IMPORT_C ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
williamr@2
   873
williamr@2
   874
IMPORT_C const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr);
williamr@2
   875
williamr@2
   876
IMPORT_C int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it);
williamr@2
   877
williamr@2
   878
IMPORT_C void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   879
IMPORT_C void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   880
IMPORT_C int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, const ASN1_ITEM *it);
williamr@2
   881
IMPORT_C int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, const ASN1_ITEM *it);
williamr@2
   882
williamr@2
   883
#ifdef  __cplusplus
williamr@2
   884
}
williamr@2
   885
#endif
williamr@2
   886
#endif