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asn1_mac.h

/* crypto/asn1/asn1_mac.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_MAC_H
#define HEADER_ASN1_MAC_H

#include <openssl/asn1.h>

#ifdef  __cplusplus
extern "C" {
#endif

#ifndef ASN1_MAC_ERR_LIB
#define ASN1_MAC_ERR_LIB      ERR_LIB_ASN1
#endif 

#define ASN1_MAC_H_err(f,r,line) \
      ERR_PUT_error(ASN1_MAC_ERR_LIB,(f),(r),__FILE__,(line))

#define M_ASN1_D2I_vars(a,type,func) \
      ASN1_CTX c; \
      type ret=NULL; \
      \
      c.pp=(unsigned char **)pp; \
      c.q= *(unsigned char **)pp; \
      c.error=ERR_R_NESTED_ASN1_ERROR; \
      if ((a == NULL) || ((*a) == NULL)) \
            { if ((ret=(type)func()) == NULL) \
                  { c.line=__LINE__; goto err; } } \
      else  ret=(*a);

#define M_ASN1_D2I_Init() \
      c.p= *(unsigned char **)pp; \
      c.max=(length == 0)?0:(c.p+length);

#define M_ASN1_D2I_Finish_2(a) \
      if (!asn1_Finish(&c)) \
            { c.line=__LINE__; goto err; } \
      *(unsigned char **)pp=c.p; \
      if (a != NULL) (*a)=ret; \
      return(ret);

#define M_ASN1_D2I_Finish(a,func,e) \
      M_ASN1_D2I_Finish_2(a); \
err:\
      ASN1_MAC_H_err((e),c.error,c.line); \
      asn1_add_error(*(unsigned char **)pp,(int)(c.q- *pp)); \
      if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
      return(NULL)

#define M_ASN1_D2I_start_sequence() \
      if (!asn1_GetSequence(&c,&length)) \
            { c.line=__LINE__; goto err; }
/* Begin reading ASN1 without a surrounding sequence */
#define M_ASN1_D2I_begin() \
      c.slen = length;

/* End reading ASN1 with no check on length */
#define M_ASN1_D2I_Finish_nolen(a, func, e) \
      *pp=c.p; \
      if (a != NULL) (*a)=ret; \
      return(ret); \
err:\
      ASN1_MAC_H_err((e),c.error,c.line); \
      asn1_add_error(*pp,(int)(c.q- *pp)); \
      if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
      return(NULL)

#define M_ASN1_D2I_end_sequence() \
      (((c.inf&1) == 0)?(c.slen <= 0): \
            (c.eos=ASN1_check_infinite_end(&c.p,c.slen)))

/* Don't use this with d2i_ASN1_BOOLEAN() */
#define M_ASN1_D2I_get(b,func) \
      c.q=c.p; \
      if (func(&(b),&c.p,c.slen) == NULL) \
            {c.line=__LINE__; goto err; } \
      c.slen-=(c.p-c.q);

/* use this instead () */
#define M_ASN1_D2I_get_int(b,func) \
      c.q=c.p; \
      if (func(&(b),&c.p,c.slen) < 0) \
            {c.line=__LINE__; goto err; } \
      c.slen-=(c.p-c.q);

#define M_ASN1_D2I_get_opt(b,func,type) \
      if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
            == (V_ASN1_UNIVERSAL|(type)))) \
            { \
            M_ASN1_D2I_get(b,func); \
            }

#define M_ASN1_D2I_get_imp(b,func, type) \
      M_ASN1_next=(_tmp& V_ASN1_CONSTRUCTED)|type; \
      c.q=c.p; \
      if (func(&(b),&c.p,c.slen) == NULL) \
            {c.line=__LINE__; M_ASN1_next_prev = _tmp; goto err; } \
      c.slen-=(c.p-c.q);\
      M_ASN1_next_prev=_tmp;

#define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
      if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
            (V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
            { \
            unsigned char _tmp = M_ASN1_next; \
            M_ASN1_D2I_get_imp(b,func, type);\
            }

#define M_ASN1_D2I_get_set(r,func,free_func) \
            M_ASN1_D2I_get_imp_set(r,func,free_func, \
                  V_ASN1_SET,V_ASN1_UNIVERSAL);

#define M_ASN1_D2I_get_set_type(type,r,func,free_func) \
            M_ASN1_D2I_get_imp_set_type(type,r,func,free_func, \
                  V_ASN1_SET,V_ASN1_UNIVERSAL);

#define M_ASN1_D2I_get_set_opt(r,func,free_func) \
      if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
            V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
            { M_ASN1_D2I_get_set(r,func,free_func); }

#define M_ASN1_D2I_get_set_opt_type(type,r,func,free_func) \
      if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
            V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
            { M_ASN1_D2I_get_set_type(type,r,func,free_func); }

#define M_ASN1_I2D_len_SET_opt(a,f) \
      if ((a != NULL) && (sk_num(a) != 0)) \
            M_ASN1_I2D_len_SET(a,f);

#define M_ASN1_I2D_put_SET_opt(a,f) \
      if ((a != NULL) && (sk_num(a) != 0)) \
            M_ASN1_I2D_put_SET(a,f);

#define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
      if ((a != NULL) && (sk_num(a) != 0)) \
            M_ASN1_I2D_put_SEQUENCE(a,f);

#define M_ASN1_I2D_put_SEQUENCE_opt_type(type,a,f) \
      if ((a != NULL) && (sk_##type##_num(a) != 0)) \
            M_ASN1_I2D_put_SEQUENCE_type(type,a,f);

#define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
      if ((c.slen != 0) && \
            (M_ASN1_next == \
            (V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
            { \
            M_ASN1_D2I_get_imp_set(b,func,free_func,\
                  tag,V_ASN1_CONTEXT_SPECIFIC); \
            }

#define M_ASN1_D2I_get_IMP_set_opt_type(type,b,func,free_func,tag) \
      if ((c.slen != 0) && \
            (M_ASN1_next == \
            (V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
            { \
            M_ASN1_D2I_get_imp_set_type(type,b,func,free_func,\
                  tag,V_ASN1_CONTEXT_SPECIFIC); \
            }

#define M_ASN1_D2I_get_seq(r,func,free_func) \
            M_ASN1_D2I_get_imp_set(r,func,free_func,\
                  V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);

#define M_ASN1_D2I_get_seq_type(type,r,func,free_func) \
            M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
                                  V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)

#define M_ASN1_D2I_get_seq_opt(r,func,free_func) \
      if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
            V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
            { M_ASN1_D2I_get_seq(r,func,free_func); }

#define M_ASN1_D2I_get_seq_opt_type(type,r,func,free_func) \
      if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
            V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
            { M_ASN1_D2I_get_seq_type(type,r,func,free_func); }

#define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
            M_ASN1_D2I_get_imp_set(r,func,free_func,\
                  x,V_ASN1_CONTEXT_SPECIFIC);

#define M_ASN1_D2I_get_IMP_set_type(type,r,func,free_func,x) \
            M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
                  x,V_ASN1_CONTEXT_SPECIFIC);

#define M_ASN1_D2I_get_imp_set(r,func,free_func,a,b) \
      c.q=c.p; \
      if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,\
            (void (*)())free_func,a,b) == NULL) \
            { c.line=__LINE__; goto err; } \
      c.slen-=(c.p-c.q);

#define M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,a,b) \
      c.q=c.p; \
      if (d2i_ASN1_SET_OF_##type(&(r),&c.p,c.slen,func,\
                           free_func,a,b) == NULL) \
            { c.line=__LINE__; goto err; } \
      c.slen-=(c.p-c.q);

#define M_ASN1_D2I_get_set_strings(r,func,a,b) \
      c.q=c.p; \
      if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
            { c.line=__LINE__; goto err; } \
      c.slen-=(c.p-c.q);

#define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
      if ((c.slen != 0L) && (M_ASN1_next == \
            (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
            { \
            int Tinf,Ttag,Tclass; \
            long Tlen; \
            \
            c.q=c.p; \
            Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
            if (Tinf & 0x80) \
                  { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
                  c.line=__LINE__; goto err; } \
            if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
                              Tlen = c.slen - (c.p - c.q) - 2; \
            if (func(&(r),&c.p,Tlen) == NULL) \
                  { c.line=__LINE__; goto err; } \
            if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
                  Tlen = c.slen - (c.p - c.q); \
                  if(!ASN1_check_infinite_end(&c.p, Tlen)) \
                        { c.error=ERR_R_MISSING_ASN1_EOS; \
                        c.line=__LINE__; goto err; } \
            }\
            c.slen-=(c.p-c.q); \
            }

#define M_ASN1_D2I_get_EXP_set_opt(r,func,free_func,tag,b) \
      if ((c.slen != 0) && (M_ASN1_next == \
            (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
            { \
            int Tinf,Ttag,Tclass; \
            long Tlen; \
            \
            c.q=c.p; \
            Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
            if (Tinf & 0x80) \
                  { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
                  c.line=__LINE__; goto err; } \
            if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
                              Tlen = c.slen - (c.p - c.q) - 2; \
            if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
                  (void (*)())free_func, \
                  b,V_ASN1_UNIVERSAL) == NULL) \
                  { c.line=__LINE__; goto err; } \
            if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
                  Tlen = c.slen - (c.p - c.q); \
                  if(!ASN1_check_infinite_end(&c.p, Tlen)) \
                        { c.error=ERR_R_MISSING_ASN1_EOS; \
                        c.line=__LINE__; goto err; } \
            }\
            c.slen-=(c.p-c.q); \
            }

#define M_ASN1_D2I_get_EXP_set_opt_type(type,r,func,free_func,tag,b) \
      if ((c.slen != 0) && (M_ASN1_next == \
            (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
            { \
            int Tinf,Ttag,Tclass; \
            long Tlen; \
            \
            c.q=c.p; \
            Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
            if (Tinf & 0x80) \
                  { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
                  c.line=__LINE__; goto err; } \
            if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
                              Tlen = c.slen - (c.p - c.q) - 2; \
            if (d2i_ASN1_SET_OF_##type(&(r),&c.p,Tlen,func, \
                  free_func,b,V_ASN1_UNIVERSAL) == NULL) \
                  { c.line=__LINE__; goto err; } \
            if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
                  Tlen = c.slen - (c.p - c.q); \
                  if(!ASN1_check_infinite_end(&c.p, Tlen)) \
                        { c.error=ERR_R_MISSING_ASN1_EOS; \
                        c.line=__LINE__; goto err; } \
            }\
            c.slen-=(c.p-c.q); \
            }

/* New macros */
#define M_ASN1_New_Malloc(ret,type) \
      if ((ret=(type *)OPENSSL_malloc(sizeof(type))) == NULL) \
            { c.line=__LINE__; goto err2; }

#define M_ASN1_New(arg,func) \
      if (((arg)=func()) == NULL) return(NULL)

#define M_ASN1_New_Error(a) \
/*    err:  ASN1_MAC_H_err((a),ERR_R_NESTED_ASN1_ERROR,c.line); \
            return(NULL);*/ \
      err2: ASN1_MAC_H_err((a),ERR_R_MALLOC_FAILURE,c.line); \
            return(NULL)


#define M_ASN1_next           (*c.p)
#define M_ASN1_next_prev      (*c.q)

/*************************************************/

#define M_ASN1_I2D_vars(a)    int r=0,ret=0; \
                        unsigned char *p; \
                        if (a == NULL) return(0)

/* Length Macros */
#define M_ASN1_I2D_len(a,f)   ret+=f(a,NULL)
#define M_ASN1_I2D_len_IMP_opt(a,f) if (a != NULL) M_ASN1_I2D_len(a,f)

#define M_ASN1_I2D_len_SET(a,f) \
            ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);

#define M_ASN1_I2D_len_SET_type(type,a,f) \
            ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SET, \
                                  V_ASN1_UNIVERSAL,IS_SET);

#define M_ASN1_I2D_len_SEQUENCE(a,f) \
            ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
                          IS_SEQUENCE);

#define M_ASN1_I2D_len_SEQUENCE_type(type,a,f) \
            ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SEQUENCE, \
                                  V_ASN1_UNIVERSAL,IS_SEQUENCE)

#define M_ASN1_I2D_len_SEQUENCE_opt(a,f) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  M_ASN1_I2D_len_SEQUENCE(a,f);

#define M_ASN1_I2D_len_SEQUENCE_opt_type(type,a,f) \
            if ((a != NULL) && (sk_##type##_num(a) != 0)) \
                  M_ASN1_I2D_len_SEQUENCE_type(type,a,f);

#define M_ASN1_I2D_len_IMP_SET(a,f,x) \
            ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);

#define M_ASN1_I2D_len_IMP_SET_type(type,a,f,x) \
            ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
                                  V_ASN1_CONTEXT_SPECIFIC,IS_SET);

#define M_ASN1_I2D_len_IMP_SET_opt(a,f,x) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
                                IS_SET);

#define M_ASN1_I2D_len_IMP_SET_opt_type(type,a,f,x) \
            if ((a != NULL) && (sk_##type##_num(a) != 0)) \
                  ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
                                     V_ASN1_CONTEXT_SPECIFIC,IS_SET);

#define M_ASN1_I2D_len_IMP_SEQUENCE(a,f,x) \
            ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
                          IS_SEQUENCE);

#define M_ASN1_I2D_len_IMP_SEQUENCE_opt(a,f,x) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
                                IS_SEQUENCE);

#define M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(type,a,f,x) \
            if ((a != NULL) && (sk_##type##_num(a) != 0)) \
                  ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
                                        V_ASN1_CONTEXT_SPECIFIC, \
                                        IS_SEQUENCE);

#define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
            if (a != NULL)\
                  { \
                  v=f(a,NULL); \
                  ret+=ASN1_object_size(1,v,mtag); \
                  }

#define M_ASN1_I2D_len_EXP_SET_opt(a,f,mtag,tag,v) \
            if ((a != NULL) && (sk_num(a) != 0))\
                  { \
                  v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
                  ret+=ASN1_object_size(1,v,mtag); \
                  }

#define M_ASN1_I2D_len_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
            if ((a != NULL) && (sk_num(a) != 0))\
                  { \
                  v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL, \
                               IS_SEQUENCE); \
                  ret+=ASN1_object_size(1,v,mtag); \
                  }

#define M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
            if ((a != NULL) && (sk_##type##_num(a) != 0))\
                  { \
                  v=i2d_ASN1_SET_OF_##type(a,NULL,f,tag, \
                                     V_ASN1_UNIVERSAL, \
                                     IS_SEQUENCE); \
                  ret+=ASN1_object_size(1,v,mtag); \
                  }

/* Put Macros */
#define M_ASN1_I2D_put(a,f)   f(a,&p)

#define M_ASN1_I2D_put_IMP_opt(a,f,t)     \
            if (a != NULL) \
                  { \
                  unsigned char *q=p; \
                  f(a,&p); \
                  *q=(V_ASN1_CONTEXT_SPECIFIC|t|(*q&V_ASN1_CONSTRUCTED));\
                  }

#define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
                  V_ASN1_UNIVERSAL,IS_SET)
#define M_ASN1_I2D_put_SET_type(type,a,f) \
     i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET)
#define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
                  V_ASN1_CONTEXT_SPECIFIC,IS_SET)
#define M_ASN1_I2D_put_IMP_SET_type(type,a,f,x) \
     i2d_ASN1_SET_OF_##type(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET)
#define M_ASN1_I2D_put_IMP_SEQUENCE(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
                  V_ASN1_CONTEXT_SPECIFIC,IS_SEQUENCE)

#define M_ASN1_I2D_put_SEQUENCE(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
                                   V_ASN1_UNIVERSAL,IS_SEQUENCE)

#define M_ASN1_I2D_put_SEQUENCE_type(type,a,f) \
     i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
                      IS_SEQUENCE)

#define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  M_ASN1_I2D_put_SEQUENCE(a,f);

#define M_ASN1_I2D_put_IMP_SET_opt(a,f,x) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
                               IS_SET); }

#define M_ASN1_I2D_put_IMP_SET_opt_type(type,a,f,x) \
            if ((a != NULL) && (sk_##type##_num(a) != 0)) \
                  { i2d_ASN1_SET_OF_##type(a,&p,f,x, \
                                     V_ASN1_CONTEXT_SPECIFIC, \
                                     IS_SET); }

#define M_ASN1_I2D_put_IMP_SEQUENCE_opt(a,f,x) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
                               IS_SEQUENCE); }

#define M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(type,a,f,x) \
            if ((a != NULL) && (sk_##type##_num(a) != 0)) \
                  { i2d_ASN1_SET_OF_##type(a,&p,f,x, \
                                     V_ASN1_CONTEXT_SPECIFIC, \
                                     IS_SEQUENCE); }

#define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
            if (a != NULL) \
                  { \
                  ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
                  f(a,&p); \
                  }

#define M_ASN1_I2D_put_EXP_SET_opt(a,f,mtag,tag,v) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  { \
                  ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
                  i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
                  }

#define M_ASN1_I2D_put_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
            if ((a != NULL) && (sk_num(a) != 0)) \
                  { \
                  ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
                  i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
                  }

#define M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
            if ((a != NULL) && (sk_##type##_num(a) != 0)) \
                  { \
                  ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
                  i2d_ASN1_SET_OF_##type(a,&p,f,tag,V_ASN1_UNIVERSAL, \
                                     IS_SEQUENCE); \
                  }

#define M_ASN1_I2D_seq_total() \
            r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
            if (pp == NULL) return(r); \
            p= *pp; \
            ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)

#define M_ASN1_I2D_INF_seq_start(tag,ctx) \
            *(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
            *(p++)=0x80

#define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00

#define M_ASN1_I2D_finish()   *pp=p; \
                        return(r);

int asn1_GetSequence(ASN1_CTX *c, long *length);
void asn1_add_error(unsigned char *address,int offset);
#ifdef  __cplusplus
}
#endif

#endif

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