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      1 /* crypto/asn1/asn1_mac.h */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) cryptsoft.com).
      7  * The implementation was written so as to conform with Netscapes SSL.
      8  *
      9  * This library is free for commercial and non-commercial use as long as
     10  * the following conditions are aheared to.  The following conditions
     11  * apply to all code found in this distribution, be it the RC4, RSA,
     12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
     13  * included with this distribution is covered by the same copyright terms
     14  * except that the holder is Tim Hudson (tjh (at) cryptsoft.com).
     15  *
     16  * Copyright remains Eric Young's, and as such any Copyright notices in
     17  * the code are not to be removed.
     18  * If this package is used in a product, Eric Young should be given attribution
     19  * as the author of the parts of the library used.
     20  * This can be in the form of a textual message at program startup or
     21  * in documentation (online or textual) provided with the package.
     22  *
     23  * Redistribution and use in source and binary forms, with or without
     24  * modification, are permitted provided that the following conditions
     25  * are met:
     26  * 1. Redistributions of source code must retain the copyright
     27  *    notice, this list of conditions and the following disclaimer.
     28  * 2. Redistributions in binary form must reproduce the above copyright
     29  *    notice, this list of conditions and the following disclaimer in the
     30  *    documentation and/or other materials provided with the distribution.
     31  * 3. All advertising materials mentioning features or use of this software
     32  *    must display the following acknowledgement:
     33  *    "This product includes cryptographic software written by
     34  *     Eric Young (eay (at) cryptsoft.com)"
     35  *    The word 'cryptographic' can be left out if the rouines from the library
     36  *    being used are not cryptographic related :-).
     37  * 4. If you include any Windows specific code (or a derivative thereof) from
     38  *    the apps directory (application code) you must include an acknowledgement:
     39  *    "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)"
     40  *
     41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
     42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     51  * SUCH DAMAGE.
     52  *
     53  * The licence and distribution terms for any publically available version or
     54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
     55  * copied and put under another distribution licence
     56  * [including the GNU Public Licence.]
     57  */
     58 
     59 #ifndef HEADER_ASN1_MAC_H
     60 #define HEADER_ASN1_MAC_H
     61 
     62 #include <openssl/asn1.h>
     63 
     64 #ifdef  __cplusplus
     65 extern "C" {
     66 #endif
     67 
     68 #ifndef ASN1_MAC_ERR_LIB
     69 #define ASN1_MAC_ERR_LIB	ERR_LIB_ASN1
     70 #endif
     71 
     72 #define ASN1_MAC_H_err(f,r,line) \
     73 	ERR_PUT_error(ASN1_MAC_ERR_LIB,(f),(r),__FILE__,(line))
     74 
     75 #define M_ASN1_D2I_vars(a,type,func) \
     76 	ASN1_const_CTX c; \
     77 	type ret=NULL; \
     78 	\
     79 	c.pp=(const unsigned char **)pp; \
     80 	c.q= *(const unsigned char **)pp; \
     81 	c.error=ERR_R_NESTED_ASN1_ERROR; \
     82 	if ((a == NULL) || ((*a) == NULL)) \
     83 		{ if ((ret=(type)func()) == NULL) \
     84 			{ c.line=__LINE__; goto err; } } \
     85 	else	ret=(*a);
     86 
     87 #define M_ASN1_D2I_Init() \
     88 	c.p= *(const unsigned char **)pp; \
     89 	c.max=(length == 0)?0:(c.p+length);
     90 
     91 #define M_ASN1_D2I_Finish_2(a) \
     92 	if (!asn1_const_Finish(&c)) \
     93 		{ c.line=__LINE__; goto err; } \
     94 	*(const unsigned char **)pp=c.p; \
     95 	if (a != NULL) (*a)=ret; \
     96 	return(ret);
     97 
     98 #define M_ASN1_D2I_Finish(a,func,e) \
     99 	M_ASN1_D2I_Finish_2(a); \
    100 err:\
    101 	ASN1_MAC_H_err((e),c.error,c.line); \
    102 	asn1_add_error(*(const unsigned char **)pp,(int)(c.q- *pp)); \
    103 	if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
    104 	return(NULL)
    105 
    106 #define M_ASN1_D2I_start_sequence() \
    107 	if (!asn1_GetSequence(&c,&length)) \
    108 		{ c.line=__LINE__; goto err; }
    109 /* Begin reading ASN1 without a surrounding sequence */
    110 #define M_ASN1_D2I_begin() \
    111 	c.slen = length;
    112 
    113 /* End reading ASN1 with no check on length */
    114 #define M_ASN1_D2I_Finish_nolen(a, func, e) \
    115 	*pp=c.p; \
    116 	if (a != NULL) (*a)=ret; \
    117 	return(ret); \
    118 err:\
    119 	ASN1_MAC_H_err((e),c.error,c.line); \
    120 	asn1_add_error(*pp,(int)(c.q- *pp)); \
    121 	if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
    122 	return(NULL)
    123 
    124 #define M_ASN1_D2I_end_sequence() \
    125 	(((c.inf&1) == 0)?(c.slen <= 0): \
    126 		(c.eos=ASN1_const_check_infinite_end(&c.p,c.slen)))
    127 
    128 /* Don't use this with d2i_ASN1_BOOLEAN() */
    129 #define M_ASN1_D2I_get(b, func) \
    130 	c.q=c.p; \
    131 	if (func(&(b),&c.p,c.slen) == NULL) \
    132 		{c.line=__LINE__; goto err; } \
    133 	c.slen-=(c.p-c.q);
    134 
    135 /* Don't use this with d2i_ASN1_BOOLEAN() */
    136 #define M_ASN1_D2I_get_x(type,b,func) \
    137 	c.q=c.p; \
    138 	if (((D2I_OF(type))func)(&(b),&c.p,c.slen) == NULL) \
    139 		{c.line=__LINE__; goto err; } \
    140 	c.slen-=(c.p-c.q);
    141 
    142 /* use this instead () */
    143 #define M_ASN1_D2I_get_int(b,func) \
    144 	c.q=c.p; \
    145 	if (func(&(b),&c.p,c.slen) < 0) \
    146 		{c.line=__LINE__; goto err; } \
    147 	c.slen-=(c.p-c.q);
    148 
    149 #define M_ASN1_D2I_get_opt(b,func,type) \
    150 	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
    151 		== (V_ASN1_UNIVERSAL|(type)))) \
    152 		{ \
    153 		M_ASN1_D2I_get(b,func); \
    154 		}
    155 
    156 #define M_ASN1_D2I_get_imp(b,func, type) \
    157 	M_ASN1_next=(_tmp& V_ASN1_CONSTRUCTED)|type; \
    158 	c.q=c.p; \
    159 	if (func(&(b),&c.p,c.slen) == NULL) \
    160 		{c.line=__LINE__; M_ASN1_next_prev = _tmp; goto err; } \
    161 	c.slen-=(c.p-c.q);\
    162 	M_ASN1_next_prev=_tmp;
    163 
    164 #define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
    165 	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
    166 		(V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
    167 		{ \
    168 		unsigned char _tmp = M_ASN1_next; \
    169 		M_ASN1_D2I_get_imp(b,func, type);\
    170 		}
    171 
    172 #define M_ASN1_D2I_get_set(r,func,free_func) \
    173 		M_ASN1_D2I_get_imp_set(r,func,free_func, \
    174 			V_ASN1_SET,V_ASN1_UNIVERSAL);
    175 
    176 #define M_ASN1_D2I_get_set_type(type,r,func,free_func) \
    177 		M_ASN1_D2I_get_imp_set_type(type,r,func,free_func, \
    178 			V_ASN1_SET,V_ASN1_UNIVERSAL);
    179 
    180 #define M_ASN1_D2I_get_set_opt(r,func,free_func) \
    181 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
    182 		V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
    183 		{ M_ASN1_D2I_get_set(r,func,free_func); }
    184 
    185 #define M_ASN1_D2I_get_set_opt_type(type,r,func,free_func) \
    186 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
    187 		V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
    188 		{ M_ASN1_D2I_get_set_type(type,r,func,free_func); }
    189 
    190 #define M_ASN1_I2D_len_SET_opt(a,f) \
    191 	if ((a != NULL) && (sk_num(a) != 0)) \
    192 		M_ASN1_I2D_len_SET(a,f);
    193 
    194 #define M_ASN1_I2D_put_SET_opt(a,f) \
    195 	if ((a != NULL) && (sk_num(a) != 0)) \
    196 		M_ASN1_I2D_put_SET(a,f);
    197 
    198 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
    199 	if ((a != NULL) && (sk_num(a) != 0)) \
    200 		M_ASN1_I2D_put_SEQUENCE(a,f);
    201 
    202 #define M_ASN1_I2D_put_SEQUENCE_opt_type(type,a,f) \
    203 	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
    204 		M_ASN1_I2D_put_SEQUENCE_type(type,a,f);
    205 
    206 #define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
    207 	if ((c.slen != 0) && \
    208 		(M_ASN1_next == \
    209 		(V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
    210 		{ \
    211 		M_ASN1_D2I_get_imp_set(b,func,free_func,\
    212 			tag,V_ASN1_CONTEXT_SPECIFIC); \
    213 		}
    214 
    215 #define M_ASN1_D2I_get_IMP_set_opt_type(type,b,func,free_func,tag) \
    216 	if ((c.slen != 0) && \
    217 		(M_ASN1_next == \
    218 		(V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
    219 		{ \
    220 		M_ASN1_D2I_get_imp_set_type(type,b,func,free_func,\
    221 			tag,V_ASN1_CONTEXT_SPECIFIC); \
    222 		}
    223 
    224 #define M_ASN1_D2I_get_seq(r,func,free_func) \
    225 		M_ASN1_D2I_get_imp_set(r,func,free_func,\
    226 			V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
    227 
    228 #define M_ASN1_D2I_get_seq_type(type,r,func,free_func) \
    229 		M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
    230 					    V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
    231 
    232 #define M_ASN1_D2I_get_seq_opt(r,func,free_func) \
    233 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
    234 		V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
    235 		{ M_ASN1_D2I_get_seq(r,func,free_func); }
    236 
    237 #define M_ASN1_D2I_get_seq_opt_type(type,r,func,free_func) \
    238 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
    239 		V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
    240 		{ M_ASN1_D2I_get_seq_type(type,r,func,free_func); }
    241 
    242 #define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
    243 		M_ASN1_D2I_get_imp_set(r,func,free_func,\
    244 			x,V_ASN1_CONTEXT_SPECIFIC);
    245 
    246 #define M_ASN1_D2I_get_IMP_set_type(type,r,func,free_func,x) \
    247 		M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
    248 			x,V_ASN1_CONTEXT_SPECIFIC);
    249 
    250 #define M_ASN1_D2I_get_imp_set(r,func,free_func,a,b) \
    251 	c.q=c.p; \
    252 	if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,\
    253 		(void (*)())free_func,a,b) == NULL) \
    254 		{ c.line=__LINE__; goto err; } \
    255 	c.slen-=(c.p-c.q);
    256 
    257 #define M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,a,b) \
    258 	c.q=c.p; \
    259 	if (d2i_ASN1_SET_OF_##type(&(r),&c.p,c.slen,func,\
    260 				   free_func,a,b) == NULL) \
    261 		{ c.line=__LINE__; goto err; } \
    262 	c.slen-=(c.p-c.q);
    263 
    264 #define M_ASN1_D2I_get_set_strings(r,func,a,b) \
    265 	c.q=c.p; \
    266 	if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
    267 		{ c.line=__LINE__; goto err; } \
    268 	c.slen-=(c.p-c.q);
    269 
    270 #define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
    271 	if ((c.slen != 0L) && (M_ASN1_next == \
    272 		(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
    273 		{ \
    274 		int Tinf,Ttag,Tclass; \
    275 		long Tlen; \
    276 		\
    277 		c.q=c.p; \
    278 		Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
    279 		if (Tinf & 0x80) \
    280 			{ c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
    281 			c.line=__LINE__; goto err; } \
    282 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
    283 					Tlen = c.slen - (c.p - c.q) - 2; \
    284 		if (func(&(r),&c.p,Tlen) == NULL) \
    285 			{ c.line=__LINE__; goto err; } \
    286 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
    287 			Tlen = c.slen - (c.p - c.q); \
    288 			if(!ASN1_const_check_infinite_end(&c.p, Tlen)) \
    289 				{ c.error=ERR_R_MISSING_ASN1_EOS; \
    290 				c.line=__LINE__; goto err; } \
    291 		}\
    292 		c.slen-=(c.p-c.q); \
    293 		}
    294 
    295 #define M_ASN1_D2I_get_EXP_set_opt(r,func,free_func,tag,b) \
    296 	if ((c.slen != 0) && (M_ASN1_next == \
    297 		(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
    298 		{ \
    299 		int Tinf,Ttag,Tclass; \
    300 		long Tlen; \
    301 		\
    302 		c.q=c.p; \
    303 		Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
    304 		if (Tinf & 0x80) \
    305 			{ c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
    306 			c.line=__LINE__; goto err; } \
    307 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
    308 					Tlen = c.slen - (c.p - c.q) - 2; \
    309 		if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
    310 			(void (*)())free_func, \
    311 			b,V_ASN1_UNIVERSAL) == NULL) \
    312 			{ c.line=__LINE__; goto err; } \
    313 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
    314 			Tlen = c.slen - (c.p - c.q); \
    315 			if(!ASN1_check_infinite_end(&c.p, Tlen)) \
    316 				{ c.error=ERR_R_MISSING_ASN1_EOS; \
    317 				c.line=__LINE__; goto err; } \
    318 		}\
    319 		c.slen-=(c.p-c.q); \
    320 		}
    321 
    322 #define M_ASN1_D2I_get_EXP_set_opt_type(type,r,func,free_func,tag,b) \
    323 	if ((c.slen != 0) && (M_ASN1_next == \
    324 		(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
    325 		{ \
    326 		int Tinf,Ttag,Tclass; \
    327 		long Tlen; \
    328 		\
    329 		c.q=c.p; \
    330 		Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
    331 		if (Tinf & 0x80) \
    332 			{ c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
    333 			c.line=__LINE__; goto err; } \
    334 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
    335 					Tlen = c.slen - (c.p - c.q) - 2; \
    336 		if (d2i_ASN1_SET_OF_##type(&(r),&c.p,Tlen,func, \
    337 			free_func,b,V_ASN1_UNIVERSAL) == NULL) \
    338 			{ c.line=__LINE__; goto err; } \
    339 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
    340 			Tlen = c.slen - (c.p - c.q); \
    341 			if(!ASN1_check_infinite_end(&c.p, Tlen)) \
    342 				{ c.error=ERR_R_MISSING_ASN1_EOS; \
    343 				c.line=__LINE__; goto err; } \
    344 		}\
    345 		c.slen-=(c.p-c.q); \
    346 		}
    347 
    348 /* New macros */
    349 #define M_ASN1_New_Malloc(ret,type) \
    350 	if ((ret=(type *)OPENSSL_malloc(sizeof(type))) == NULL) \
    351 		{ c.line=__LINE__; goto err2; }
    352 
    353 #define M_ASN1_New(arg,func) \
    354 	if (((arg)=func()) == NULL) return(NULL)
    355 
    356 #define M_ASN1_New_Error(a) \
    357 /*	err:	ASN1_MAC_H_err((a),ERR_R_NESTED_ASN1_ERROR,c.line); \
    358 		return(NULL);*/ \
    359 	err2:	ASN1_MAC_H_err((a),ERR_R_MALLOC_FAILURE,c.line); \
    360 		return(NULL)
    361 
    362 
    363 /* BIG UGLY WARNING!  This is so damn ugly I wanna puke.  Unfortunately,
    364    some macros that use ASN1_const_CTX still insist on writing in the input
    365    stream.  ARGH!  ARGH!  ARGH!  Let's get rid of this macro package.
    366    Please?						-- Richard Levitte */
    367 #define M_ASN1_next		(*((unsigned char *)(c.p)))
    368 #define M_ASN1_next_prev	(*((unsigned char *)(c.q)))
    369 
    370 /*************************************************/
    371 
    372 #define M_ASN1_I2D_vars(a)	int r=0,ret=0; \
    373 				unsigned char *p; \
    374 				if (a == NULL) return(0)
    375 
    376 /* Length Macros */
    377 #define M_ASN1_I2D_len(a,f)	ret+=f(a,NULL)
    378 #define M_ASN1_I2D_len_IMP_opt(a,f)	if (a != NULL) M_ASN1_I2D_len(a,f)
    379 
    380 #define M_ASN1_I2D_len_SET(a,f) \
    381 		ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
    382 
    383 #define M_ASN1_I2D_len_SET_type(type,a,f) \
    384 		ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SET, \
    385 					    V_ASN1_UNIVERSAL,IS_SET);
    386 
    387 #define M_ASN1_I2D_len_SEQUENCE(a,f) \
    388 		ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
    389 				  IS_SEQUENCE);
    390 
    391 #define M_ASN1_I2D_len_SEQUENCE_type(type,a,f) \
    392 		ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SEQUENCE, \
    393 					    V_ASN1_UNIVERSAL,IS_SEQUENCE)
    394 
    395 #define M_ASN1_I2D_len_SEQUENCE_opt(a,f) \
    396 		if ((a != NULL) && (sk_num(a) != 0)) \
    397 			M_ASN1_I2D_len_SEQUENCE(a,f);
    398 
    399 #define M_ASN1_I2D_len_SEQUENCE_opt_type(type,a,f) \
    400 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
    401 			M_ASN1_I2D_len_SEQUENCE_type(type,a,f);
    402 
    403 #define M_ASN1_I2D_len_IMP_SET(a,f,x) \
    404 		ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);
    405 
    406 #define M_ASN1_I2D_len_IMP_SET_type(type,a,f,x) \
    407 		ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
    408 					    V_ASN1_CONTEXT_SPECIFIC,IS_SET);
    409 
    410 #define M_ASN1_I2D_len_IMP_SET_opt(a,f,x) \
    411 		if ((a != NULL) && (sk_num(a) != 0)) \
    412 			ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
    413 					  IS_SET);
    414 
    415 #define M_ASN1_I2D_len_IMP_SET_opt_type(type,a,f,x) \
    416 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
    417 			ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
    418 					       V_ASN1_CONTEXT_SPECIFIC,IS_SET);
    419 
    420 #define M_ASN1_I2D_len_IMP_SEQUENCE(a,f,x) \
    421 		ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
    422 				  IS_SEQUENCE);
    423 
    424 #define M_ASN1_I2D_len_IMP_SEQUENCE_opt(a,f,x) \
    425 		if ((a != NULL) && (sk_num(a) != 0)) \
    426 			ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
    427 					  IS_SEQUENCE);
    428 
    429 #define M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(type,a,f,x) \
    430 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
    431 			ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
    432 						    V_ASN1_CONTEXT_SPECIFIC, \
    433 						    IS_SEQUENCE);
    434 
    435 #define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
    436 		if (a != NULL)\
    437 			{ \
    438 			v=f(a,NULL); \
    439 			ret+=ASN1_object_size(1,v,mtag); \
    440 			}
    441 
    442 #define M_ASN1_I2D_len_EXP_SET_opt(a,f,mtag,tag,v) \
    443 		if ((a != NULL) && (sk_num(a) != 0))\
    444 			{ \
    445 			v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
    446 			ret+=ASN1_object_size(1,v,mtag); \
    447 			}
    448 
    449 #define M_ASN1_I2D_len_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
    450 		if ((a != NULL) && (sk_num(a) != 0))\
    451 			{ \
    452 			v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL, \
    453 				       IS_SEQUENCE); \
    454 			ret+=ASN1_object_size(1,v,mtag); \
    455 			}
    456 
    457 #define M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
    458 		if ((a != NULL) && (sk_##type##_num(a) != 0))\
    459 			{ \
    460 			v=i2d_ASN1_SET_OF_##type(a,NULL,f,tag, \
    461 						 V_ASN1_UNIVERSAL, \
    462 						 IS_SEQUENCE); \
    463 			ret+=ASN1_object_size(1,v,mtag); \
    464 			}
    465 
    466 /* Put Macros */
    467 #define M_ASN1_I2D_put(a,f)	f(a,&p)
    468 
    469 #define M_ASN1_I2D_put_IMP_opt(a,f,t)	\
    470 		if (a != NULL) \
    471 			{ \
    472 			unsigned char *q=p; \
    473 			f(a,&p); \
    474 			*q=(V_ASN1_CONTEXT_SPECIFIC|t|(*q&V_ASN1_CONSTRUCTED));\
    475 			}
    476 
    477 #define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
    478 			V_ASN1_UNIVERSAL,IS_SET)
    479 #define M_ASN1_I2D_put_SET_type(type,a,f) \
    480      i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET)
    481 #define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
    482 			V_ASN1_CONTEXT_SPECIFIC,IS_SET)
    483 #define M_ASN1_I2D_put_IMP_SET_type(type,a,f,x) \
    484      i2d_ASN1_SET_OF_##type(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET)
    485 #define M_ASN1_I2D_put_IMP_SEQUENCE(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
    486 			V_ASN1_CONTEXT_SPECIFIC,IS_SEQUENCE)
    487 
    488 #define M_ASN1_I2D_put_SEQUENCE(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
    489 					     V_ASN1_UNIVERSAL,IS_SEQUENCE)
    490 
    491 #define M_ASN1_I2D_put_SEQUENCE_type(type,a,f) \
    492      i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
    493 			    IS_SEQUENCE)
    494 
    495 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
    496 		if ((a != NULL) && (sk_num(a) != 0)) \
    497 			M_ASN1_I2D_put_SEQUENCE(a,f);
    498 
    499 #define M_ASN1_I2D_put_IMP_SET_opt(a,f,x) \
    500 		if ((a != NULL) && (sk_num(a) != 0)) \
    501 			{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
    502 				       IS_SET); }
    503 
    504 #define M_ASN1_I2D_put_IMP_SET_opt_type(type,a,f,x) \
    505 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
    506 			{ i2d_ASN1_SET_OF_##type(a,&p,f,x, \
    507 						 V_ASN1_CONTEXT_SPECIFIC, \
    508 						 IS_SET); }
    509 
    510 #define M_ASN1_I2D_put_IMP_SEQUENCE_opt(a,f,x) \
    511 		if ((a != NULL) && (sk_num(a) != 0)) \
    512 			{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
    513 				       IS_SEQUENCE); }
    514 
    515 #define M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(type,a,f,x) \
    516 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
    517 			{ i2d_ASN1_SET_OF_##type(a,&p,f,x, \
    518 						 V_ASN1_CONTEXT_SPECIFIC, \
    519 						 IS_SEQUENCE); }
    520 
    521 #define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
    522 		if (a != NULL) \
    523 			{ \
    524 			ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
    525 			f(a,&p); \
    526 			}
    527 
    528 #define M_ASN1_I2D_put_EXP_SET_opt(a,f,mtag,tag,v) \
    529 		if ((a != NULL) && (sk_num(a) != 0)) \
    530 			{ \
    531 			ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
    532 			i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
    533 			}
    534 
    535 #define M_ASN1_I2D_put_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
    536 		if ((a != NULL) && (sk_num(a) != 0)) \
    537 			{ \
    538 			ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
    539 			i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
    540 			}
    541 
    542 #define M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
    543 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
    544 			{ \
    545 			ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
    546 			i2d_ASN1_SET_OF_##type(a,&p,f,tag,V_ASN1_UNIVERSAL, \
    547 					       IS_SEQUENCE); \
    548 			}
    549 
    550 #define M_ASN1_I2D_seq_total() \
    551 		r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
    552 		if (pp == NULL) return(r); \
    553 		p= *pp; \
    554 		ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
    555 
    556 #define M_ASN1_I2D_INF_seq_start(tag,ctx) \
    557 		*(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
    558 		*(p++)=0x80
    559 
    560 #define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00
    561 
    562 #define M_ASN1_I2D_finish()	*pp=p; \
    563 				return(r);
    564 
    565 int asn1_GetSequence(ASN1_const_CTX *c, long *length);
    566 void asn1_add_error(const unsigned char *address,int offset);
    567 #ifdef  __cplusplus
    568 }
    569 #endif
    570 
    571 #endif
    572