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/* crypto/asn1/asn1.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_ASN1_H
#define HEADER_ASN1_H
#ifdef __cplusplus
extern "C" {
#endif
#include <time.h>
#include "bn.h"
#include "stack.h"
#define V_ASN1_UNIVERSAL 0x00
#define V_ASN1_APPLICATION 0x40
#define V_ASN1_CONTEXT_SPECIFIC 0x80
#define V_ASN1_PRIVATE 0xc0
#define V_ASN1_CONSTRUCTED 0x20
#define V_ASN1_PRIMATIVE_TAG 0x1f
#define V_ASN1_APP_CHOOSE -2 /* let the recipent choose */
#define V_ASN1_UNDEF -1
#define V_ASN1_EOC 0
#define V_ASN1_BOOLEAN 1 /**/
#define V_ASN1_INTEGER 2
#define V_ASN1_NEG_INTEGER (2+0x100)
#define V_ASN1_BIT_STRING 3
#define V_ASN1_OCTET_STRING 4
#define V_ASN1_NULL 5
#define V_ASN1_OBJECT 6
#define V_ASN1_OBJECT_DESCRIPTOR 7
#define V_ASN1_EXTERNAL 8
#define V_ASN1_REAL 9
#define V_ASN1_ENUMERATED 10 /* microsoft weirdness */
#define V_ASN1_SEQUENCE 16
#define V_ASN1_SET 17
#define V_ASN1_NUMERICSTRING 18 /**/
#define V_ASN1_PRINTABLESTRING 19
#define V_ASN1_T61STRING 20
#define V_ASN1_TELETEXSTRING 20 /* alias */
#define V_ASN1_VIDEOTEXSTRING 21 /**/
#define V_ASN1_IA5STRING 22
#define V_ASN1_UTCTIME 23
#define V_ASN1_GENERALIZEDTIME 24 /**/
#define V_ASN1_GRAPHICSTRING 25 /**/
#define V_ASN1_ISO64STRING 26 /**/
#define V_ASN1_VISIBLESTRING 26 /* alias */
#define V_ASN1_GENERALSTRING 27 /**/
#define V_ASN1_UNIVERSALSTRING 28 /**/
#define V_ASN1_BMPSTRING 30
/* For use with d2i_ASN1_type_bytes() */
#define B_ASN1_NUMERICSTRING 0x0001
#define B_ASN1_PRINTABLESTRING 0x0002
#define B_ASN1_T61STRING 0x0004
#define B_ASN1_VIDEOTEXSTRING 0x0008
#define B_ASN1_IA5STRING 0x0010
#define B_ASN1_GRAPHICSTRING 0x0020
#define B_ASN1_ISO64STRING 0x0040
#define B_ASN1_GENERALSTRING 0x0080
#define B_ASN1_UNIVERSALSTRING 0x0100
#define B_ASN1_OCTET_STRING 0x0200
#define B_ASN1_BIT_STRING 0x0400
#define B_ASN1_BMPSTRING 0x0800
#define B_ASN1_UNKNOWN 0x1000
typedef struct asn1_ctx_st
{
unsigned char *p;/* work char pointer */
int eos; /* end of sequence read for indefinite encoding */
int error; /* error code to use when returning an error */
int inf; /* constructed if 0x20, indefinite is 0x21 */
int tag; /* tag from last 'get object' */
int xclass; /* class from last 'get object' */
long slen; /* length of last 'get object' */
unsigned char *max; /* largest value of p alowed */
unsigned char *q;/* temporary variable */
unsigned char **pp;/* variable */
int line; /* used in error processing */
} ASN1_CTX;
/* These are used internally in the ASN1_OBJECT to keep track of
* whether the names and data need to be free()ed */
#define ASN1_OBJECT_FLAG_DYNAMIC 0x01 /* internal use */
#define ASN1_OBJECT_FLAG_CRITICAL 0x02 /* critical x509v3 object id */
#define ASN1_OBJECT_FLAG_DYNAMIC_STRINGS 0x04 /* internal use */
#define ASN1_OBJECT_FLAG_DYNAMIC_DATA 0x08 /* internal use */
typedef struct asn1_object_st
{
char *sn,*ln;
int nid;
int length;
unsigned char *data;
int flags; /* Should we free this one */
} ASN1_OBJECT;
#define ASN1_STRING_FLAG_BITS_LEFT 0x08 /* Set if 0x07 has bits left value */
/* This is the base type that holds just about everything :-) */
typedef struct asn1_string_st
{
int length;
int type;
unsigned char *data;
/* The value of the following field depends on the type being
* held. It is mostly being used for BIT_STRING so if the
* input data has a non-zero 'unused bits' value, it will be
* handled correctly */
long flags;
} ASN1_STRING;
#ifndef DEBUG
#define ASN1_INTEGER ASN1_STRING
#define ASN1_BIT_STRING ASN1_STRING
#define ASN1_OCTET_STRING ASN1_STRING
#define ASN1_PRINTABLESTRING ASN1_STRING
#define ASN1_T61STRING ASN1_STRING
#define ASN1_IA5STRING ASN1_STRING
#define ASN1_UTCTIME ASN1_STRING
#define ASN1_GENERALIZEDTIME ASN1_STRING
#define ASN1_GENERALSTRING ASN1_STRING
#define ASN1_UNIVERSALSTRING ASN1_STRING
#define ASN1_BMPSTRING ASN1_STRING
#else
typedef struct asn1_string_st ASN1_INTEGER;
typedef struct asn1_string_st ASN1_BIT_STRING;
typedef struct asn1_string_st ASN1_OCTET_STRING;
typedef struct asn1_string_st ASN1_PRINTABLESTRING;
typedef struct asn1_string_st ASN1_T61STRING;
typedef struct asn1_string_st ASN1_IA5STRING;
typedef struct asn1_string_st ASN1_GENERALSTRING;
typedef struct asn1_string_st ASN1_UNIVERSALSTRING;
typedef struct asn1_string_st ASN1_BMPSTRING;
typedef struct asn1_string_st ASN1_UTCTIME;
typedef struct asn1_string_st ASN1_GENERALIZEDTIME;
#endif
typedef struct asn1_type_st
{
int type;
union {
char *ptr;
ASN1_STRING * asn1_string;
ASN1_OBJECT * object;
ASN1_INTEGER * integer;
ASN1_BIT_STRING * bit_string;
ASN1_OCTET_STRING * octet_string;
ASN1_PRINTABLESTRING * printablestring;
ASN1_T61STRING * t61string;
ASN1_IA5STRING * ia5string;
ASN1_GENERALSTRING * generalstring;
ASN1_BMPSTRING * bmpstring;
ASN1_UNIVERSALSTRING * universalstring;
ASN1_UTCTIME * utctime;
ASN1_GENERALIZEDTIME * generalizedtime;
/* set and sequence are left complete and still
* contain the set or sequence bytes */
ASN1_STRING * set;
ASN1_STRING * sequence;
} value;
} ASN1_TYPE;
typedef struct asn1_method_st
{
int (*i2d)();
char *(*d2i)();
char *(*create)();
void (*destroy)();
} ASN1_METHOD;
/* This is used when parsing some Netscape objects */
typedef struct asn1_header_st
{
ASN1_OCTET_STRING *header;
char *data;
ASN1_METHOD *meth;
} ASN1_HEADER;
#define ASN1_STRING_length(x) ((x)->length)
#define ASN1_STRING_type(x) ((x)->type)
#define ASN1_STRING_data(x) ((x)->data)
/* Macros for string operations */
#define ASN1_BIT_STRING_new() (ASN1_BIT_STRING *)\
ASN1_STRING_type_new(V_ASN1_BIT_STRING)
#define ASN1_BIT_STRING_free(a) ASN1_STRING_free((ASN1_STRING *)a)
#define ASN1_BIT_STRING_dup(a) (ASN1_BIT_STRING *)\
ASN1_STRING_dup((ASN1_STRING *)a)
#define ASN1_BIT_STRING_cmp(a,b) ASN1_STRING_cmp(\
(ASN1_STRING *)a,(ASN1_STRING *)b)
#define ASN1_BIT_STRING_set(a,b,c) ASN1_STRING_set((ASN1_STRING *)a,b,c)
/* i2d_ASN1_BIT_STRING() is a function */
/* d2i_ASN1_BIT_STRING() is a function */
#define ASN1_INTEGER_new() (ASN1_INTEGER *)\
ASN1_STRING_type_new(V_ASN1_INTEGER)
#define ASN1_INTEGER_free(a) ASN1_STRING_free((ASN1_STRING *)a)
#define ASN1_INTEGER_dup(a) (ASN1_INTEGER *)ASN1_STRING_dup((ASN1_STRING *)a)
#define ASN1_INTEGER_cmp(a,b) ASN1_STRING_cmp(\
(ASN1_STRING *)a,(ASN1_STRING *)b)
/* ASN1_INTEGER_set() is a function, also see BN_to_ASN1_INTEGER() */
/* ASN1_INTEGER_get() is a function, also see ASN1_INTEGER_to_BN() */
/* i2d_ASN1_INTEGER() is a function */
/* d2i_ASN1_INTEGER() is a function */
#define ASN1_OCTET_STRING_new() (ASN1_OCTET_STRING *)\
ASN1_STRING_type_new(V_ASN1_OCTET_STRING)
#define ASN1_OCTET_STRING_free(a) ASN1_STRING_free((ASN1_STRING *)a)
#define ASN1_OCTET_STRING_dup(a) (ASN1_OCTET_STRING *)\
ASN1_STRING_dup((ASN1_STRING *)a)
#define ASN1_OCTET_STRING_cmp(a,b) ASN1_STRING_cmp(\
(ASN1_STRING *)a,(ASN1_STRING *)b)
#define ASN1_OCTET_STRING_set(a,b,c) ASN1_STRING_set((ASN1_STRING *)a,b,c)
#define ASN1_OCTET_STRING_print(a,b) ASN1_STRING_print(a,(ASN1_STRING *)b)
#define M_i2d_ASN1_OCTET_STRING(a,pp) \
i2d_ASN1_bytes((ASN1_STRING *)a,pp,V_ASN1_OCTET_STRING,\
V_ASN1_OCTET_STRING)
/* d2i_ASN1_OCTET_STRING() is a function */
#define ASN1_PRINTABLE_new() ASN1_STRING_type_new(V_ASN1_T61STRING)
#define ASN1_PRINTABLE_free(a) ASN1_STRING_free((ASN1_STRING *)a)
#define M_i2d_ASN1_PRINTABLE(a,pp) i2d_ASN1_bytes((ASN1_STRING *)a,\
pp,a->type,V_ASN1_UNIVERSAL)
#define M_d2i_ASN1_PRINTABLE(a,pp,l) \
d2i_ASN1_type_bytes((ASN1_STRING **)a,pp,l, \
B_ASN1_PRINTABLESTRING| \
B_ASN1_T61STRING| \
B_ASN1_IA5STRING| \
B_ASN1_BIT_STRING| \
B_ASN1_UNIVERSALSTRING|\
B_ASN1_BMPSTRING|\
B_ASN1_UNKNOWN)
#define ASN1_PRINTABLESTRING_new() (ASN1_PRINTABLESTRING_STRING *)\
ASN1_STRING_type_new(V_ASN1_PRINTABLESTRING)
#define ASN1_PRINTABLESTRING_free(a) ASN1_STRING_free((ASN1_STRING *)a)
#define M_i2d_ASN1_PRINTABLESTRING(a,pp) \
i2d_ASN1_bytes((ASN1_STRING
|