/*
* WARNING: do not edit!
* Generated by Makefile from include/openssl/asn1t.h.in
*
* Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OPENSSL_ASN1T_H
# define OPENSSL_ASN1T_H
# pragma once
# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define HEADER_ASN1T_H
# endif
# 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
/*-
* These are the possible values for the itype field of the
* ASN1_ITEM structure and determine how it 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
* data and functions.
*
* 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
/* unused value 0x3 */
# define ASN1_ITYPE_EXTERN 0x4
# define ASN1_ITYPE_MSTRING 0x5
# define ASN1_ITYPE_NDEF_SEQUENCE 0x6
/* 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 static_ASN1_ITEM_start(itname) \
static ASN1_ITEM_start(itname)
# define ASN1_ITEM_end(itname) \
}; \
return &local_it; \
}
/* 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)
# define static_ASN1_ITEM_TEMPLATE_END(tname) \
;\
static_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 static_ASN1_SEQUENCE_END(stname) static_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),\
#tname \
ASN1_ITEM_end(tname)
# define static_ASN1_SEQUENCE_END_name(stname, tname) \
;\
static_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, NULL}; \
ASN1_SEQUENCE(tname)
# define ASN1_SEQUENCE_const_cb(tname, const_cb) \
static const ASN1_AUX tname##_aux = \
{NULL, ASN1_AFLG_CONST_CB, 0, 0, NULL, 0, const_cb}; \
ASN1_SEQUENCE(tname)
# define ASN1_SEQUENCE_cb_const_cb(tname, cb, const_cb) \
static const ASN1_AUX tname##_aux = \
{NULL, ASN1_AFLG_CONST_CB, 0, 0, cb, 0, const_cb}; \
ASN1_SEQUENCE(tname)
# define ASN1_SEQUENCE_ref(tname, cb) \
static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), offsetof(tname, lock), cb, 0, NULL}; \
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), NULL}; \
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 static_ASN1_NDEF_SEQUENCE_END(tname) \
;\
static_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_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 static_ASN1_SEQUENCE_END_cb(stname, tname) static_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),\
#tname \
ASN1_ITEM_end(tname)
# define static_ASN1_SEQUENCE_END_ref(stname, tname) \
;\
static_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, NULL}; \
ASN1_CHOICE(tname)
# define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname)
# define static_ASN1_CHOICE_END(stname) static_ASN1_CHOICE_END_name(stname, stname)
# define ASN1_CHOICE_END_name(stname, tname) ASN1_CHOICE_END_selector(stname, tname, type)
# define static_ASN1_CHOICE_END_name(stname, tname) static_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 static_ASN1_CHOICE_END_selector(stname, tname, selname) \
;\
static_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) }
/* 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 */
# 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 }
/* Plain simple type */
# define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0,0, stname, field, type)
/* Embedded simple type */
# define ASN1_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_EMBED,0, stname, field, type)
/* OPTIONAL simple type */
# define ASN1_OPT(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type)
# define ASN1_OPT_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED, 0, stname, field, type)
/* IMPLICIT tagged simple type */
# define ASN1_IMP(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, 0)
# define ASN1_IMP_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_EMBED)
/* IMPLICIT tagged OPTIONAL simple type */
# define ASN1_IMP_OPT(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)
# define ASN1_IMP_OPT_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED)
/* Same as above but EXPLICIT */
# define ASN1_EXP(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, 0)
# define ASN1_EXP_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_EMBED)
# define ASN1_EXP_OPT(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL)
# define ASN1_EXP_OPT_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED)
/* 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[]
# define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \
;\
static const ASN1_ITEM *name##_adb(void) \
{ \
static const ASN1_ADB internal_adb = \
{\
flags,\
offsetof(name, field),\
adb_cb,\
name##_adbtbl,\
sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\
def,\
none\
}; \
return (const ASN1_ITEM *) &internal_adb; \
} \
void dummy_function(void)
# 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 */
const char *field_name; /* Field name */
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 */
int (*adb_cb)(long *psel); /* Application callback */
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 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)
/* Field is embedded and not a pointer */
# define ASN1_TFLG_EMBED (0x1 << 12)
/* 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; /* further data and type-specific functions */
/* funcs can be ASN1_PRIMITIVE_FUNCS*, ASN1_EXTERN_FUNCS*, or ASN1_AUX* */
long size; /* Structure size (usually) */
const char *sname; /* Structure name */
};
/*
* 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 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_d2i_ex(ASN1_VALUE **pval, const unsigned char **in, long len,
const ASN1_ITEM *it, int tag, int aclass, char opt,
ASN1_TLC *ctx, OSSL_LIB_CTX *libctx,
const char *propq);
typedef int ASN1_ex_i2d(const 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 int ASN1_ex_new_ex_func(ASN1_VALUE **pval, const ASN1_ITEM *it,
OSSL_LIB_CTX *libctx, const char *propq);
typedef void ASN1_ex_free_func(ASN1_VALUE **pval, const ASN1_ITEM *it);
typedef int ASN1_ex_print_func(BIO *out, const ASN1_VALUE **pval,
int indent, const char *fname,
const ASN1_PCTX *pctx);
typedef int ASN1_primitive_i2c(const 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, const ASN1_VALUE **pval,
const ASN1_ITEM *it, int indent,
const ASN1_PCTX *pctx);
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_ex_new_ex_func *asn1_ex_new_ex;
ASN1_ex_d2i_ex *asn1_ex_d2i_ex;
} 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.
* For the operations ASN1_OP_I2D_PRE, ASN1_OP_I2D_POST, ASN1_OP_PRINT_PRE, and
* ASN1_OP_PRINT_POST, meanwhile a variant of the callback with const parameter
* 'in' is provided to make clear statically that its input is not modified. If
* and only if this variant is in use the flag ASN1_AFLG_CONST_CB must be set.
*/
typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it,
void *exarg);
typedef int ASN1_aux_const_cb(int operation, const 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; /* Offset of lock value */
ASN1_aux_cb *asn1_cb;
int enc_offset; /* Offset of ASN1_ENCODING structure */
ASN1_aux_const_cb *asn1_const_cb; /* for ASN1_OP_I2D_ and ASN1_OP_PRINT_ */
} 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
/* Use the new asn1_const_cb */
# define ASN1_AFLG_CONST_CB 8
/* 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
# define ASN1_OP_DUP_PRE 14
# define ASN1_OP_DUP_POST 15
# define ASN1_OP_GET0_LIBCTX 16
# define ASN1_OP_GET0_PROPQ 17
/* 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)
# 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(const stname *a, unsigned char **out) \
{ \
return ASN1_item_i2d((const ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\
}
# define IMPLEMENT_ASN1_NDEF_FUNCTION(stname) \
int i2d_##stname##_NDEF(const stname *a, unsigned char **out) \
{ \
return ASN1_item_ndef_i2d((const ASN1_VALUE *)a, out, ASN1_ITEM_rptr(stname));\
}
# define IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(stname) \
static stname *d2i_##stname(stname **a, \
const unsigned char **in, long len) \
{ \
return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, \
ASN1_ITEM_rptr(stname)); \
} \
static int i2d_##stname(const stname *a, unsigned char **out) \
{ \
return ASN1_item_i2d((const ASN1_VALUE *)a, out, \
ASN1_ITEM_rptr(stname)); \
}
# define IMPLEMENT_ASN1_DUP_FUNCTION(stname) \
stname * stname##_dup(const 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, const stname *x, int indent, \
const ASN1_PCTX *pctx) \
{ \
return ASN1_item_print(out, (const ASN1_VALUE *)x, indent, \
ASN1_ITEM_rptr(itname), pctx); \
}
/* 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(INT32)
DECLARE_ASN1_ITEM(ZINT32)
DECLARE_ASN1_ITEM(UINT32)
DECLARE_ASN1_ITEM(ZUINT32)
DECLARE_ASN1_ITEM(INT64)
DECLARE_ASN1_ITEM(ZINT64)
DECLARE_ASN1_ITEM(UINT64)
DECLARE_ASN1_ITEM(ZUINT64)
# ifndef OPENSSL_NO_DEPRECATED_3_0
/*
* LONG and ZLONG are strongly discouraged for use as stored data, as the
* underlying C type (long) differs in size depending on the architecture.
* They are designed with 32-bit longs in mind.
*/
DECLARE_ASN1_ITEM(LONG)
DECLARE_ASN1_ITEM(ZLONG)
# endif
SKM_DEFINE_STACK_OF_INTERNAL(ASN1_VALUE, ASN1_VALUE, ASN1_VALUE)
#define sk_ASN1_VALUE_num(sk) OPENSSL_sk_num(ossl_check_const_ASN1_VALUE_sk_type(sk))
#define sk_ASN1_VALUE_value(sk, idx) ((ASN1_VALUE *)OPENSSL_sk_value(ossl_check_const_ASN1_VALUE_sk_type(sk), (idx)))
#define sk_ASN1_VALUE_new(cmp) ((STACK_OF(ASN1_VALUE) *)OPENSSL_sk_new(ossl_check_ASN1_VALUE_compfunc_type(cmp)))
#define sk_ASN1_VALUE_new_null() ((STACK_OF(ASN1_VALUE) *)OPENSSL_sk_new_null())
#define sk_ASN1_VALUE_new_reserve(cmp, n) ((STACK_OF(ASN1_VALUE) *)OPENSSL_sk_new_reserve(ossl_check_ASN1_VALUE_compfunc_type(cmp), (n)))
#define sk_ASN1_VALUE_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_ASN1_VALUE_sk_type(sk), (n))
#define sk_ASN1_VALUE_free(sk) OPENSSL_sk_free(ossl_check_ASN1_VALUE_sk_type(sk))
#define sk_ASN1_VALUE_zero(sk) OPENSSL_sk_zero(ossl_check_ASN1_VALUE_sk_type(sk))
#define sk_ASN1_VALUE_delete(sk, i) ((ASN1_VALUE *)OPENSSL_sk_delete(ossl_check_ASN1_VALUE_sk_type(sk), (i)))
#define sk_ASN1_VALUE_delete_ptr(sk, ptr) ((ASN1_VALUE *)OPENSSL_sk_delete_ptr(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_type(ptr)))
#define sk_ASN1_VALUE_push(sk, ptr) OPENSSL_sk_push(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_type(ptr))
#define sk_ASN1_VALUE_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_type(ptr))
#define sk_ASN1_VALUE_pop(sk) ((ASN1_VALUE *)OPENSSL_sk_pop(ossl_check_ASN1_VALUE_sk_type(sk)))
#define sk_ASN1_VALUE_shift(sk) ((ASN1_VALUE *)OPENSSL_sk_shift(ossl_check_ASN1_VALUE_sk_type(sk)))
#define sk_ASN1_VALUE_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_ASN1_VALUE_sk_type(sk),ossl_check_ASN1_VALUE_freefunc_type(freefunc))
#define sk_ASN1_VALUE_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_type(ptr), (idx))
#define sk_ASN1_VALUE_set(sk, idx, ptr) ((ASN1_VALUE *)OPENSSL_sk_set(ossl_check_ASN1_VALUE_sk_type(sk), (idx), ossl_check_ASN1_VALUE_type(ptr)))
#define sk_ASN1_VALUE_find(sk, ptr) OPENSSL_sk_find(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_type(ptr))
#define sk_ASN1_VALUE_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_type(ptr))
#define sk_ASN1_VALUE_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_type(ptr), pnum)
#define sk_ASN1_VALUE_sort(sk) OPENSSL_sk_sort(ossl_check_ASN1_VALUE_sk_type(sk))
#define sk_ASN1_VALUE_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_ASN1_VALUE_sk_type(sk))
#define sk_ASN1_VALUE_dup(sk) ((STACK_OF(ASN1_VALUE) *)OPENSSL_sk_dup(ossl_check_const_ASN1_VALUE_sk_type(sk)))
#define sk_ASN1_VALUE_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(ASN1_VALUE) *)OPENSSL_sk_deep_copy(ossl_check_const_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_copyfunc_type(copyfunc), ossl_check_ASN1_VALUE_freefunc_type(freefunc)))
#define sk_ASN1_VALUE_set_cmp_func(sk, cmp) ((sk_ASN1_VALUE_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_ASN1_VALUE_sk_type(sk), ossl_check_ASN1_VALUE_compfunc_type(cmp)))
/* 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_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(const ASN1_VALUE **pval, unsigned char **out,
const ASN1_ITEM *it, int tag, int aclass);
/* Legacy compatibility */
# define IMPLEMENT_ASN1_FUNCTIONS_const(name) IMPLEMENT_ASN1_FUNCTIONS(name)
# define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname)
#ifdef __cplusplus
}
#endif
#endif
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