+++ /dev/null
-/* asn1t.h */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-#ifndef HEADER_ASN1T_H
-#define HEADER_ASN1T_H
-
-#include <stddef.h>
-#include <openssl/e_os2.h>
-#include <openssl/asn1.h>
-
-#ifdef OPENSSL_BUILD_SHLIBCRYPTO
-# undef OPENSSL_EXTERN
-# define OPENSSL_EXTERN OPENSSL_EXPORT
-#endif
-
-/* ASN1 template defines, structures and functions */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-#ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
-
-/* Macro to obtain ASN1_ADB pointer from a type (only used internally) */
-#define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr))
-
-
-/* Macros for start and end of ASN1_ITEM definition */
-
-#define ASN1_ITEM_start(itname) \
- OPENSSL_GLOBAL const ASN1_ITEM itname##_it = {
-
-#define ASN1_ITEM_end(itname) \
- };
-
-#else
-
-/* Macro to obtain ASN1_ADB pointer from a type (only used internally) */
-#define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr()))
-
-
-/* Macros for start and end of ASN1_ITEM definition */
-
-#define ASN1_ITEM_start(itname) \
- const ASN1_ITEM * itname##_it(void) \
- { \
- static const ASN1_ITEM local_it = {
-
-#define ASN1_ITEM_end(itname) \
- }; \
- return &local_it; \
- }
-
-#endif
-
-
-/* Macros to aid ASN1 template writing */
-
-#define ASN1_ITEM_TEMPLATE(tname) \
- static const ASN1_TEMPLATE tname##_item_tt
-
-#define ASN1_ITEM_TEMPLATE_END(tname) \
- ;\
- ASN1_ITEM_start(tname) \
- ASN1_ITYPE_PRIMITIVE,\
- -1,\
- &tname##_item_tt,\
- 0,\
- NULL,\
- 0,\
- #tname \
- ASN1_ITEM_end(tname)
-
-
-/* This is a ASN1 type which just embeds a template */
-
-/* This pair helps declare a SEQUENCE. We can do:
- *
- * ASN1_SEQUENCE(stname) = {
- * ... SEQUENCE components ...
- * } ASN1_SEQUENCE_END(stname)
- *
- * This will produce an ASN1_ITEM called stname_it
- * for a structure called stname.
- *
- * If you want the same structure but a different
- * name then use:
- *
- * ASN1_SEQUENCE(itname) = {
- * ... SEQUENCE components ...
- * } ASN1_SEQUENCE_END_name(stname, itname)
- *
- * This will create an item called itname_it using
- * a structure called stname.
- */
-
-#define ASN1_SEQUENCE(tname) \
- static const ASN1_TEMPLATE tname##_seq_tt[]
-
-#define ASN1_SEQUENCE_END(stname) ASN1_SEQUENCE_END_name(stname, stname)
-
-#define ASN1_SEQUENCE_END_name(stname, tname) \
- ;\
- ASN1_ITEM_start(tname) \
- ASN1_ITYPE_SEQUENCE,\
- V_ASN1_SEQUENCE,\
- tname##_seq_tt,\
- sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\
- NULL,\
- sizeof(stname),\
- #stname \
- ASN1_ITEM_end(tname)
-
-#define ASN1_NDEF_SEQUENCE(tname) \
- ASN1_SEQUENCE(tname)
-
-#define ASN1_NDEF_SEQUENCE_cb(tname, cb) \
- ASN1_SEQUENCE_cb(tname, cb)
-
-#define ASN1_SEQUENCE_cb(tname, cb) \
- static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \
- ASN1_SEQUENCE(tname)
-
-#define ASN1_BROKEN_SEQUENCE(tname) \
- static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_BROKEN, 0, 0, 0, 0}; \
- ASN1_SEQUENCE(tname)
-
-#define ASN1_SEQUENCE_ref(tname, cb, lck) \
- static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), lck, cb, 0}; \
- ASN1_SEQUENCE(tname)
-
-#define ASN1_SEQUENCE_enc(tname, enc, cb) \
- static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, 0, cb, offsetof(tname, enc)}; \
- ASN1_SEQUENCE(tname)
-
-#define ASN1_NDEF_SEQUENCE_END(tname) \
- ;\
- ASN1_ITEM_start(tname) \
- ASN1_ITYPE_NDEF_SEQUENCE,\
- V_ASN1_SEQUENCE,\
- tname##_seq_tt,\
- sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\
- NULL,\
- sizeof(tname),\
- #tname \
- ASN1_ITEM_end(tname)
-
-#define ASN1_BROKEN_SEQUENCE_END(stname) ASN1_SEQUENCE_END_ref(stname, stname)
-
-#define ASN1_SEQUENCE_END_enc(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname)
-
-#define ASN1_SEQUENCE_END_cb(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname)
-
-#define ASN1_SEQUENCE_END_ref(stname, tname) \
- ;\
- ASN1_ITEM_start(tname) \
- ASN1_ITYPE_SEQUENCE,\
- V_ASN1_SEQUENCE,\
- tname##_seq_tt,\
- sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\
- &tname##_aux,\
- sizeof(stname),\
- #stname \
- ASN1_ITEM_end(tname)
-
-#define ASN1_NDEF_SEQUENCE_END_cb(stname, tname) \
- ;\
- ASN1_ITEM_start(tname) \
- ASN1_ITYPE_NDEF_SEQUENCE,\
- V_ASN1_SEQUENCE,\
- tname##_seq_tt,\
- sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\
- &tname##_aux,\
- sizeof(stname),\
- #stname \
- ASN1_ITEM_end(tname)
-
-
-/* This pair helps declare a CHOICE type. We can do:
- *
- * ASN1_CHOICE(chname) = {
- * ... CHOICE options ...
- * ASN1_CHOICE_END(chname)
- *
- * This will produce an ASN1_ITEM called chname_it
- * for a structure called chname. The structure
- * definition must look like this:
- * typedef struct {
- * int type;
- * union {
- * ASN1_SOMETHING *opt1;
- * ASN1_SOMEOTHER *opt2;
- * } value;
- * } chname;
- *
- * the name of the selector must be 'type'.
- * to use an alternative selector name use the
- * ASN1_CHOICE_END_selector() version.
- */
-
-#define ASN1_CHOICE(tname) \
- static const ASN1_TEMPLATE tname##_ch_tt[]
-
-#define ASN1_CHOICE_cb(tname, cb) \
- static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \
- ASN1_CHOICE(tname)
-
-#define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname)
-
-#define ASN1_CHOICE_END_name(stname, tname) ASN1_CHOICE_END_selector(stname, tname, type)
-
-#define ASN1_CHOICE_END_selector(stname, tname, selname) \
- ;\
- ASN1_ITEM_start(tname) \
- ASN1_ITYPE_CHOICE,\
- offsetof(stname,selname) ,\
- tname##_ch_tt,\
- sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\
- NULL,\
- sizeof(stname),\
- #stname \
- ASN1_ITEM_end(tname)
-
-#define ASN1_CHOICE_END_cb(stname, tname, selname) \
- ;\
- ASN1_ITEM_start(tname) \
- ASN1_ITYPE_CHOICE,\
- offsetof(stname,selname) ,\
- tname##_ch_tt,\
- sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\
- &tname##_aux,\
- sizeof(stname),\
- #stname \
- ASN1_ITEM_end(tname)
-
-/* This helps with the template wrapper form of ASN1_ITEM */
-
-#define ASN1_EX_TEMPLATE_TYPE(flags, tag, name, type) { \
- (flags), (tag), 0,\
- #name, ASN1_ITEM_ref(type) }
-
-/* These help with SEQUENCE or CHOICE components */
-
-/* used to declare other types */
-
-#define ASN1_EX_TYPE(flags, tag, stname, field, type) { \
- (flags), (tag), offsetof(stname, field),\
- #field, ASN1_ITEM_ref(type) }
-
-/* used when the structure is combined with the parent */
-
-#define ASN1_EX_COMBINE(flags, tag, type) { \
- (flags)|ASN1_TFLG_COMBINE, (tag), 0, NULL, ASN1_ITEM_ref(type) }
-
-/* implicit and explicit helper macros */
-
-#define ASN1_IMP_EX(stname, field, type, tag, ex) \
- ASN1_EX_TYPE(ASN1_TFLG_IMPLICIT | ex, tag, stname, field, type)
-
-#define ASN1_EXP_EX(stname, field, type, tag, ex) \
- ASN1_EX_TYPE(ASN1_TFLG_EXPLICIT | ex, tag, stname, field, type)
-
-/* Any defined by macros: the field used is in the table itself */
-
-#ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
-#define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) }
-#define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) }
-#else
-#define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, tblname##_adb }
-#define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, tblname##_adb }
-#endif
-/* Plain simple type */
-#define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0,0, stname, field, type)
-
-/* OPTIONAL simple type */
-#define ASN1_OPT(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type)
-
-/* IMPLICIT tagged simple type */
-#define ASN1_IMP(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, 0)
-
-/* IMPLICIT tagged OPTIONAL simple type */
-#define ASN1_IMP_OPT(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)
-
-/* Same as above but EXPLICIT */
-
-#define ASN1_EXP(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, 0)
-#define ASN1_EXP_OPT(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)
-
-/* SEQUENCE OF type */
-#define ASN1_SEQUENCE_OF(stname, field, type) \
- ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, stname, field, type)
-
-/* OPTIONAL SEQUENCE OF */
-#define ASN1_SEQUENCE_OF_OPT(stname, field, type) \
- ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type)
-
-/* Same as above but for SET OF */
-
-#define ASN1_SET_OF(stname, field, type) \
- ASN1_EX_TYPE(ASN1_TFLG_SET_OF, 0, stname, field, type)
-
-#define ASN1_SET_OF_OPT(stname, field, type) \
- ASN1_EX_TYPE(ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type)
-
-/* Finally compound types of SEQUENCE, SET, IMPLICIT, EXPLICIT and OPTIONAL */
-
-#define ASN1_IMP_SET_OF(stname, field, type, tag) \
- ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF)
-
-#define ASN1_EXP_SET_OF(stname, field, type, tag) \
- ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF)
-
-#define ASN1_IMP_SET_OF_OPT(stname, field, type, tag) \
- ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL)
-
-#define ASN1_EXP_SET_OF_OPT(stname, field, type, tag) \
- ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL)
-
-#define ASN1_IMP_SEQUENCE_OF(stname, field, type, tag) \
- ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF)
-
-#define ASN1_IMP_SEQUENCE_OF_OPT(stname, field, type, tag) \
- ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL)
-
-#define ASN1_EXP_SEQUENCE_OF(stname, field, type, tag) \
- ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF)
-
-#define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \
- ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL)
-
-/* EXPLICIT using indefinite length constructed form */
-#define ASN1_NDEF_EXP(stname, field, type, tag) \
- ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_NDEF)
-
-/* EXPLICIT OPTIONAL using indefinite length constructed form */
-#define ASN1_NDEF_EXP_OPT(stname, field, type, tag) \
- ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_NDEF)
-
-/* Macros for the ASN1_ADB structure */
-
-#define ASN1_ADB(name) \
- static const ASN1_ADB_TABLE name##_adbtbl[]
-
-#ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
-
-#define ASN1_ADB_END(name, flags, field, app_table, def, none) \
- ;\
- static const ASN1_ADB name##_adb = {\
- flags,\
- offsetof(name, field),\
- app_table,\
- name##_adbtbl,\
- sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\
- def,\
- none\
- }
-
-#else
-
-#define ASN1_ADB_END(name, flags, field, app_table, def, none) \
- ;\
- static const ASN1_ITEM *name##_adb(void) \
- { \
- static const ASN1_ADB internal_adb = \
- {\
- flags,\
- offsetof(name, field),\
- app_table,\
- name##_adbtbl,\
- sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\
- def,\
- none\
- }; \
- return (const ASN1_ITEM *) &internal_adb; \
- } \
- void dummy_function(void)
-
-#endif
-
-#define ADB_ENTRY(val, template) {val, template}
-
-#define ASN1_ADB_TEMPLATE(name) \
- static const ASN1_TEMPLATE name##_tt
-
-/* This is the ASN1 template structure that defines
- * a wrapper round the actual type. It determines the
- * actual position of the field in the value structure,
- * various flags such as OPTIONAL and the field name.
- */
-
-struct ASN1_TEMPLATE_st {
-unsigned long flags; /* Various flags */
-long tag; /* tag, not used if no tagging */
-unsigned long offset; /* Offset of this field in structure */
-#ifndef NO_ASN1_FIELD_NAMES
-const char *field_name; /* Field name */
-#endif
-ASN1_ITEM_EXP *item; /* Relevant ASN1_ITEM or ASN1_ADB */
-};
-
-/* Macro to extract ASN1_ITEM and ASN1_ADB pointer from ASN1_TEMPLATE */
-
-#define ASN1_TEMPLATE_item(t) (t->item_ptr)
-#define ASN1_TEMPLATE_adb(t) (t->item_ptr)
-
-typedef struct ASN1_ADB_TABLE_st ASN1_ADB_TABLE;
-typedef struct ASN1_ADB_st ASN1_ADB;
-
-struct ASN1_ADB_st {
- unsigned long flags; /* Various flags */
- unsigned long offset; /* Offset of selector field */
- STACK_OF(ASN1_ADB_TABLE) **app_items; /* Application defined items */
- const ASN1_ADB_TABLE *tbl; /* Table of possible types */
- long tblcount; /* Number of entries in tbl */
- const ASN1_TEMPLATE *default_tt; /* Type to use if no match */
- const ASN1_TEMPLATE *null_tt; /* Type to use if selector is NULL */
-};
-
-struct ASN1_ADB_TABLE_st {
- long value; /* NID for an object or value for an int */
- const ASN1_TEMPLATE tt; /* item for this value */
-};
-
-/* template flags */
-
-/* Field is optional */
-#define ASN1_TFLG_OPTIONAL (0x1)
-
-/* Field is a SET OF */
-#define ASN1_TFLG_SET_OF (0x1 << 1)
-
-/* Field is a SEQUENCE OF */
-#define ASN1_TFLG_SEQUENCE_OF (0x2 << 1)
-
-/* Special case: this refers to a SET OF that
- * will be sorted into DER order when encoded *and*
- * the corresponding STACK will be modified to match
- * the new order.
- */
-#define ASN1_TFLG_SET_ORDER (0x3 << 1)
-
-/* Mask for SET OF or SEQUENCE OF */
-#define ASN1_TFLG_SK_MASK (0x3 << 1)
-
-/* These flags mean the tag should be taken from the
- * tag field. If EXPLICIT then the underlying type
- * is used for the inner tag.
- */
-
-/* IMPLICIT tagging */
-#define ASN1_TFLG_IMPTAG (0x1 << 3)
-
-
-/* EXPLICIT tagging, inner tag from underlying type */
-#define ASN1_TFLG_EXPTAG (0x2 << 3)
-
-#define ASN1_TFLG_TAG_MASK (0x3 << 3)
-
-/* context specific IMPLICIT */
-#define ASN1_TFLG_IMPLICIT ASN1_TFLG_IMPTAG|ASN1_TFLG_CONTEXT
-
-/* context specific EXPLICIT */
-#define ASN1_TFLG_EXPLICIT ASN1_TFLG_EXPTAG|ASN1_TFLG_CONTEXT
-
-/* If tagging is in force these determine the
- * type of tag to use. Otherwise the tag is
- * determined by the underlying type. These
- * values reflect the actual octet format.
- */
-
-/* Universal tag */
-#define ASN1_TFLG_UNIVERSAL (0x0<<6)
-/* Application tag */
-#define ASN1_TFLG_APPLICATION (0x1<<6)
-/* Context specific tag */
-#define ASN1_TFLG_CONTEXT (0x2<<6)
-/* Private tag */
-#define ASN1_TFLG_PRIVATE (0x3<<6)
-
-#define ASN1_TFLG_TAG_CLASS (0x3<<6)
-
-/* These are for ANY DEFINED BY type. In this case
- * the 'item' field points to an ASN1_ADB structure
- * which contains a table of values to decode the
- * relevant type
- */
-
-#define ASN1_TFLG_ADB_MASK (0x3<<8)
-
-#define ASN1_TFLG_ADB_OID (0x1<<8)
-
-#define ASN1_TFLG_ADB_INT (0x1<<9)
-
-/* This flag means a parent structure is passed
- * instead of the field: this is useful is a
- * SEQUENCE is being combined with a CHOICE for
- * example. Since this means the structure and
- * item name will differ we need to use the
- * ASN1_CHOICE_END_name() macro for example.
- */
-
-#define ASN1_TFLG_COMBINE (0x1<<10)
-
-/* This flag when present in a SEQUENCE OF, SET OF
- * or EXPLICIT causes indefinite length constructed
- * encoding to be used if required.
- */
-
-#define ASN1_TFLG_NDEF (0x1<<11)
-
-/* This is the actual ASN1 item itself */
-
-struct ASN1_ITEM_st {
-char itype; /* The item type, primitive, SEQUENCE, CHOICE or extern */
-long utype; /* underlying type */
-const ASN1_TEMPLATE *templates; /* If SEQUENCE or CHOICE this contains the contents */
-long tcount; /* Number of templates if SEQUENCE or CHOICE */
-const void *funcs; /* functions that handle this type */
-long size; /* Structure size (usually)*/
-#ifndef NO_ASN1_FIELD_NAMES
-const char *sname; /* Structure name */
-#endif
-};
-
-/* These are values for the itype field and
- * determine how the type is interpreted.
- *
- * For PRIMITIVE types the underlying type
- * determines the behaviour if items is NULL.
- *
- * Otherwise templates must contain a single
- * template and the type is treated in the
- * same way as the type specified in the template.
- *
- * For SEQUENCE types the templates field points
- * to the members, the size field is the
- * structure size.
- *
- * For CHOICE types the templates field points
- * to each possible member (typically a union)
- * and the 'size' field is the offset of the
- * selector.
- *
- * The 'funcs' field is used for application
- * specific functions.
- *
- * For COMPAT types the funcs field gives a
- * set of functions that handle this type, this
- * supports the old d2i, i2d convention.
- *
- * The EXTERN type uses a new style d2i/i2d.
- * The new style should be used where possible
- * because it avoids things like the d2i IMPLICIT
- * hack.
- *
- * MSTRING is a multiple string type, it is used
- * for a CHOICE of character strings where the
- * actual strings all occupy an ASN1_STRING
- * structure. In this case the 'utype' field
- * has a special meaning, it is used as a mask
- * of acceptable types using the B_ASN1 constants.
- *
- * NDEF_SEQUENCE is the same as SEQUENCE except
- * that it will use indefinite length constructed
- * encoding if requested.
- *
- */
-
-#define ASN1_ITYPE_PRIMITIVE 0x0
-
-#define ASN1_ITYPE_SEQUENCE 0x1
-
-#define ASN1_ITYPE_CHOICE 0x2
-
-#define ASN1_ITYPE_COMPAT 0x3
-
-#define ASN1_ITYPE_EXTERN 0x4
-
-#define ASN1_ITYPE_MSTRING 0x5
-
-#define ASN1_ITYPE_NDEF_SEQUENCE 0x6
-
-/* Cache for ASN1 tag and length, so we
- * don't keep re-reading it for things
- * like CHOICE
- */
-
-struct ASN1_TLC_st{
- char valid; /* Values below are valid */
- int ret; /* return value */
- long plen; /* length */
- int ptag; /* class value */
- int pclass; /* class value */
- int hdrlen; /* header length */
-};
-
-/* Typedefs for ASN1 function pointers */
-
-typedef ASN1_VALUE * ASN1_new_func(void);
-typedef void ASN1_free_func(ASN1_VALUE *a);
-typedef ASN1_VALUE * ASN1_d2i_func(ASN1_VALUE **a, const unsigned char ** in, long length);
-typedef int ASN1_i2d_func(ASN1_VALUE * a, unsigned char **in);
-
-typedef int ASN1_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,
- int tag, int aclass, char opt, ASN1_TLC *ctx);
-
-typedef int ASN1_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
-typedef int ASN1_ex_new_func(ASN1_VALUE **pval, const ASN1_ITEM *it);
-typedef void ASN1_ex_free_func(ASN1_VALUE **pval, const ASN1_ITEM *it);
-
-typedef int ASN1_ex_print_func(BIO *out, ASN1_VALUE **pval,
- int indent, const char *fname,
- const ASN1_PCTX *pctx);
-
-typedef int ASN1_primitive_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it);
-typedef int ASN1_primitive_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
-typedef int ASN1_primitive_print(BIO *out, ASN1_VALUE **pval, const ASN1_ITEM *it, int indent, const ASN1_PCTX *pctx);
-
-typedef struct ASN1_COMPAT_FUNCS_st {
- ASN1_new_func *asn1_new;
- ASN1_free_func *asn1_free;
- ASN1_d2i_func *asn1_d2i;
- ASN1_i2d_func *asn1_i2d;
-} ASN1_COMPAT_FUNCS;
-
-typedef struct ASN1_EXTERN_FUNCS_st {
- void *app_data;
- ASN1_ex_new_func *asn1_ex_new;
- ASN1_ex_free_func *asn1_ex_free;
- ASN1_ex_free_func *asn1_ex_clear;
- ASN1_ex_d2i *asn1_ex_d2i;
- ASN1_ex_i2d *asn1_ex_i2d;
- ASN1_ex_print_func *asn1_ex_print;
-} ASN1_EXTERN_FUNCS;
-
-typedef struct ASN1_PRIMITIVE_FUNCS_st {
- void *app_data;
- unsigned long flags;
- ASN1_ex_new_func *prim_new;
- ASN1_ex_free_func *prim_free;
- ASN1_ex_free_func *prim_clear;
- ASN1_primitive_c2i *prim_c2i;
- ASN1_primitive_i2c *prim_i2c;
- ASN1_primitive_print *prim_print;
-} ASN1_PRIMITIVE_FUNCS;
-
-/* This is the ASN1_AUX structure: it handles various
- * miscellaneous requirements. For example the use of
- * reference counts and an informational callback.
- *
- * The "informational callback" is called at various
- * points during the ASN1 encoding and decoding. It can
- * be used to provide minor customisation of the structures
- * used. This is most useful where the supplied routines
- * *almost* do the right thing but need some extra help
- * at a few points. If the callback returns zero then
- * it is assumed a fatal error has occurred and the
- * main operation should be abandoned.
- *
- * If major changes in the default behaviour are required
- * then an external type is more appropriate.
- */
-
-typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it,
- void *exarg);
-
-typedef struct ASN1_AUX_st {
- void *app_data;
- int flags;
- int ref_offset; /* Offset of reference value */
- int ref_lock; /* Lock type to use */
- ASN1_aux_cb *asn1_cb;
- int enc_offset; /* Offset of ASN1_ENCODING structure */
-} ASN1_AUX;
-
-/* For print related callbacks exarg points to this structure */
-typedef struct ASN1_PRINT_ARG_st {
- BIO *out;
- int indent;
- const ASN1_PCTX *pctx;
-} ASN1_PRINT_ARG;
-
-/* For streaming related callbacks exarg points to this structure */
-typedef struct ASN1_STREAM_ARG_st {
- /* BIO to stream through */
- BIO *out;
- /* BIO with filters appended */
- BIO *ndef_bio;
- /* Streaming I/O boundary */
- unsigned char **boundary;
-} ASN1_STREAM_ARG;
-
-/* Flags in ASN1_AUX */
-
-/* Use a reference count */
-#define ASN1_AFLG_REFCOUNT 1
-/* Save the encoding of structure (useful for signatures) */
-#define ASN1_AFLG_ENCODING 2
-/* The Sequence length is invalid */
-#define ASN1_AFLG_BROKEN 4
-
-/* operation values for asn1_cb */
-
-#define ASN1_OP_NEW_PRE 0
-#define ASN1_OP_NEW_POST 1
-#define ASN1_OP_FREE_PRE 2
-#define ASN1_OP_FREE_POST 3
-#define ASN1_OP_D2I_PRE 4
-#define ASN1_OP_D2I_POST 5
-#define ASN1_OP_I2D_PRE 6
-#define ASN1_OP_I2D_POST 7
-#define ASN1_OP_PRINT_PRE 8
-#define ASN1_OP_PRINT_POST 9
-#define ASN1_OP_STREAM_PRE 10
-#define ASN1_OP_STREAM_POST 11
-#define ASN1_OP_DETACHED_PRE 12
-#define ASN1_OP_DETACHED_POST 13
-
-/* Macro to implement a primitive type */
-#define IMPLEMENT_ASN1_TYPE(stname) IMPLEMENT_ASN1_TYPE_ex(stname, stname, 0)
-#define IMPLEMENT_ASN1_TYPE_ex(itname, vname, ex) \
- ASN1_ITEM_start(itname) \
- ASN1_ITYPE_PRIMITIVE, V_##vname, NULL, 0, NULL, ex, #itname \
- ASN1_ITEM_end(itname)
-
-/* Macro to implement a multi string type */
-#define IMPLEMENT_ASN1_MSTRING(itname, mask) \
- ASN1_ITEM_start(itname) \
- ASN1_ITYPE_MSTRING, mask, NULL, 0, NULL, sizeof(ASN1_STRING), #itname \
- ASN1_ITEM_end(itname)
-
-/* Macro to implement an ASN1_ITEM in terms of old style funcs */
-
-#define IMPLEMENT_COMPAT_ASN1(sname) IMPLEMENT_COMPAT_ASN1_type(sname, V_ASN1_SEQUENCE)
-
-#define IMPLEMENT_COMPAT_ASN1_type(sname, tag) \
- static const ASN1_COMPAT_FUNCS sname##_ff = { \
- (ASN1_new_func *)sname##_new, \
- (ASN1_free_func *)sname##_free, \
- (ASN1_d2i_func *)d2i_##sname, \
- (ASN1_i2d_func *)i2d_##sname, \
- }; \
- ASN1_ITEM_start(sname) \
- ASN1_ITYPE_COMPAT, \
- tag, \
- NULL, \
- 0, \
- &sname##_ff, \
- 0, \
- #sname \
- ASN1_ITEM_end(sname)
-
-#define IMPLEMENT_EXTERN_ASN1(sname, tag, fptrs) \
- ASN1_ITEM_start(sname) \
- ASN1_ITYPE_EXTERN, \
- tag, \
- NULL, \
- 0, \
- &fptrs, \
- 0, \
- #sname \
- ASN1_ITEM_end(sname)
-
-/* Macro to implement standard functions in terms of ASN1_ITEM structures */
-
-#define IMPLEMENT_ASN1_FUNCTIONS(stname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, stname, stname)
-
-#define IMPLEMENT_ASN1_FUNCTIONS_name(stname, itname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, itname)
-
-#define IMPLEMENT_ASN1_FUNCTIONS_ENCODE_name(stname, itname) \
- IMPLEMENT_ASN1_FUNCTIONS_ENCODE_fname(stname, itname, itname)
-
-#define IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(stname) \
- IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(static, stname, stname, stname)
-
-#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS(stname) \
- IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, stname, stname)
-
-#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(pre, stname, itname, fname) \
- pre stname *fname##_new(void) \
- { \
- return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \
- } \
- pre void fname##_free(stname *a) \
- { \
- ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \
- }
-
-#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) \
- stname *fname##_new(void) \
- { \
- return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \
- } \
- void fname##_free(stname *a) \
- { \
- ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \
- }
-
-#define IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, fname) \
- IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \
- IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname)
-
-#define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \
- stname *d2i_##fname(stname **a, const unsigned char **in, long len) \
- { \
- return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\
- } \
- int i2d_##fname(stname *a, unsigned char **out) \
- { \
- return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\
- }
-
-#define IMPLEMENT_ASN1_NDEF_FUNCTION(stname) \
- int i2d_##stname##_NDEF(stname *a, unsigned char **out) \
- { \
- return ASN1_item_ndef_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(stname));\
- }
-
-/* This includes evil casts to remove const: they will go away when full
- * ASN1 constification is done.
- */
-#define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \
- stname *d2i_##fname(stname **a, const unsigned char **in, long len) \
- { \
- return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\
- } \
- int i2d_##fname(const stname *a, unsigned char **out) \
- { \
- return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\
- }
-
-#define IMPLEMENT_ASN1_DUP_FUNCTION(stname) \
- stname * stname##_dup(stname *x) \
- { \
- return ASN1_item_dup(ASN1_ITEM_rptr(stname), x); \
- }
-
-#define IMPLEMENT_ASN1_PRINT_FUNCTION(stname) \
- IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, stname, stname)
-
-#define IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, itname, fname) \
- int fname##_print_ctx(BIO *out, stname *x, int indent, \
- const ASN1_PCTX *pctx) \
- { \
- return ASN1_item_print(out, (ASN1_VALUE *)x, indent, \
- ASN1_ITEM_rptr(itname), pctx); \
- }
-
-#define IMPLEMENT_ASN1_FUNCTIONS_const(name) \
- IMPLEMENT_ASN1_FUNCTIONS_const_fname(name, name, name)
-
-#define IMPLEMENT_ASN1_FUNCTIONS_const_fname(stname, itname, fname) \
- IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \
- IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname)
-
-/* external definitions for primitive types */
-
-DECLARE_ASN1_ITEM(ASN1_BOOLEAN)
-DECLARE_ASN1_ITEM(ASN1_TBOOLEAN)
-DECLARE_ASN1_ITEM(ASN1_FBOOLEAN)
-DECLARE_ASN1_ITEM(ASN1_SEQUENCE)
-DECLARE_ASN1_ITEM(CBIGNUM)
-DECLARE_ASN1_ITEM(BIGNUM)
-DECLARE_ASN1_ITEM(LONG)
-DECLARE_ASN1_ITEM(ZLONG)
-
-DECLARE_STACK_OF(ASN1_VALUE)
-
-/* Functions used internally by the ASN1 code */
-
-int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
-void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
-int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
-int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
-
-void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
-int ASN1_template_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_TEMPLATE *tt);
-int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,
- int tag, int aclass, char opt, ASN1_TLC *ctx);
-
-int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
-int ASN1_template_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_TEMPLATE *tt);
-void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
-
-int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it);
-int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
-
-int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it);
-int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it);
-
-ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
-
-const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr);
-
-int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it);
-
-void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it);
-void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
-int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, const ASN1_ITEM *it);
-int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, const ASN1_ITEM *it);
-
-#ifdef __cplusplus
-}
-#endif
-#endif
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