diff options
Diffstat (limited to 'extension/openssl/asn1t.h.in')
| -rw-r--r-- | extension/openssl/asn1t.h.in | 923 |
1 files changed, 0 insertions, 923 deletions
diff --git a/extension/openssl/asn1t.h.in b/extension/openssl/asn1t.h.in deleted file mode 100644 index b536fe5..0000000 --- a/extension/openssl/asn1t.h.in +++ /dev/null @@ -1,923 +0,0 @@ -/* - * {- join("\n * ", @autowarntext) -} - * - * 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 - */ - -{- -use OpenSSL::stackhash qw(generate_stack_macros); --} - -#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 - -{- - generate_stack_macros("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_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 |