crypto/asn1/asn1_mac.h

   1 /* crypto/asn1/asn1_mac.h */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@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@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@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@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 #ifdef  __cplusplus
  63 extern "C" {
  64 #endif
  65
  66 #include "asn1.h"
  67 #include "x509.h"
  68 #include "pkcs7.h"
  69
  70 #ifndef ASN1_MAC_ERR_LIB
  71 #define ASN1_MAC_ERR_LIB        ERR_LIB_ASN1
  72 #endif
  73
  74 #define ASN1_MAC_H_err(f,r,line) \
  75         ERR_PUT_error(ASN1_MAC_ERR_LIB,(f),(r),ERR_file_name,(line))
  76
  77 #define M_ASN1_D2I_vars(a,type,func) \
  78         ASN1_CTX c; \
  79         type ret=NULL; \
  80         \
  81         c.pp=pp; \
  82         c.q= *pp; \
  83         c.error=ERR_R_NESTED_ASN1_ERROR; \
  84         if ((a == NULL) || ((*a) == NULL)) \
  85                 { if ((ret=(type)func()) == NULL) \
  86                         { c.line=__LINE__; goto err; } } \
  87         else    ret=(*a);
  88
  89 #define M_ASN1_D2I_Init() \
  90         c.p= *pp; \
  91         c.max=(length == 0)?0:(c.p+length);
  92
  93 #define M_ASN1_D2I_Finish_2(a) \
  94         if (!asn1_Finish(&c)) \
  95                 { c.line=__LINE__; goto err; } \
  96         *pp=c.p; \
  97         if (a != NULL) (*a)=ret; \
  98         return(ret);
  99
 100 #define M_ASN1_D2I_Finish(a,func,e) \
 101         M_ASN1_D2I_Finish_2(a); \
 102 err:\
 103         ASN1_MAC_H_err((e),c.error,c.line); \
 104         asn1_add_error(*pp,(int)(c.q- *pp)); \
 105         if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
 106         return(NULL)
 107
 108 #define M_ASN1_D2I_start_sequence() \
 109         if (!asn1_GetSequence(&c,&length)) \
 110                 { c.line=__LINE__; goto err; }
 111
 112 #define M_ASN1_D2I_end_sequence() \
 113         (((c.inf&1) == 0)?(c.slen <= 0): \
 114                 (c.eos=ASN1_check_infinite_end(&c.p,c.slen)))
 115
 116 /* Don't use this with d2i_ASN1_BOOLEAN() */
 117 #define M_ASN1_D2I_get(b,func) \
 118         c.q=c.p; \
 119         if (func(&(b),&c.p,c.slen) == NULL) \
 120                 {c.line=__LINE__; goto err; } \
 121         c.slen-=(c.p-c.q);
 122
 123 /* use this instead () */
 124 #define M_ASN1_D2I_get_int(b,func) \
 125         c.q=c.p; \
 126         if (func(&(b),&c.p,c.slen) < 0) \
 127                 {c.line=__LINE__; goto err; } \
 128         c.slen-=(c.p-c.q);
 129
 130 #define M_ASN1_D2I_get_opt(b,func,type) \
 131         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
 132                 == (V_ASN1_UNIVERSAL|(type)))) \
 133                 { \
 134                 M_ASN1_D2I_get(b,func); \
 135                 }
 136
 137 #define M_ASN1_D2I_get_imp(b,func, type) \
 138         M_ASN1_next=(_tmp& ~V_ASN1_PRIMATIVE_TAG)|type; \
 139         c.q=c.p; \
 140         if (func(&(b),&c.p,c.slen) == NULL) \
 141                 {c.line=__LINE__; M_ASN1_next_prev = _tmp; goto err; } \
 142         c.slen-=(c.p-c.q);\
 143         M_ASN1_next_prev=_tmp;
 144
 145 #define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
 146         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
 147                 (V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
 148                 { \
 149                 unsigned char _tmp = M_ASN1_next; \
 150                 M_ASN1_D2I_get_imp(b,func, type);\
 151                 }
 152
 153 #define M_ASN1_D2I_get_set(r,func,free_func) \
 154                 M_ASN1_D2I_get_imp_set(r,func,free_func, \
 155                         V_ASN1_SET,V_ASN1_UNIVERSAL);
 156
 157 #define M_ASN1_D2I_get_set_opt(r,func,free_func) \
 158         if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 159                 V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
 160                 { M_ASN1_D2I_get_set(r,func,free_func); }
 161
 162 #define M_ASN1_I2D_len_SET_opt(a,f) \
 163         if ((a != NULL) && (sk_num(a) != 0)) \
 164                 M_ASN1_I2D_len_SET(a,f);
 165
 166 #define M_ASN1_I2D_put_SET_opt(a,f) \
 167         if ((a != NULL) && (sk_num(a) != 0)) \
 168                 M_ASN1_I2D_put_SET(a,f);
 169
 170 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
 171         if ((a != NULL) && (sk_num(a) != 0)) \
 172                 M_ASN1_I2D_put_SEQUENCE(a,f);
 173
 174 #define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
 175         if ((c.slen != 0) && \
 176                 (M_ASN1_next == \
 177                 (V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
 178                 { \
 179                 M_ASN1_D2I_get_imp_set(b,func,free_func,\
 180                         tag,V_ASN1_CONTEXT_SPECIFIC); \
 181                 }
 182
 183 #define M_ASN1_D2I_get_seq(r,func,free_func) \
 184                 M_ASN1_D2I_get_imp_set(r,func,free_func,\
 185                         V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 186
 187 #define M_ASN1_D2I_get_seq_opt(r,func,free_func) \
 188         if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 189                 V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
 190                 { M_ASN1_D2I_get_seq(r,func,free_func); }
 191
 192 #define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
 193                 M_ASN1_D2I_get_imp_set(r,func,free_func,\
 194                         x,V_ASN1_CONTEXT_SPECIFIC);
 195
 196 #define M_ASN1_D2I_get_imp_set(r,func,free_func,a,b) \
 197         c.q=c.p; \
 198         if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,\
 199                 (void (*)())free_func,a,b) == NULL) \
 200                 { c.line=__LINE__; goto err; } \
 201         c.slen-=(c.p-c.q);
 202
 203 #define M_ASN1_D2I_get_set_strings(r,func,a,b) \
 204         c.q=c.p; \
 205         if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
 206                 { c.line=__LINE__; goto err; } \
 207         c.slen-=(c.p-c.q);
 208
 209 #define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
 210         if ((c.slen != 0L) && (M_ASN1_next == \
 211                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 212                 { \
 213                 int Tinf,Ttag,Tclass; \
 214                 long Tlen; \
 215                 \
 216                 c.q=c.p; \
 217                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 218                 if (Tinf & 0x80) \
 219                         { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
 220                         c.line=__LINE__; goto err; } \
 221                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
 222                                         Tlen = c.slen - (c.p - c.q) - 2; \
 223                 if (func(&(r),&c.p,Tlen) == NULL) \
 224                         { c.line=__LINE__; goto err; } \
 225                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
 226                         Tlen = c.slen - (c.p - c.q); \
 227                         if(!ASN1_check_infinite_end(&c.p, Tlen)) \
 228                                 { c.error=ERR_R_MISSING_ASN1_EOS; \
 229                                 c.line=__LINE__; goto err; } \
 230                 }\
 231                 c.slen-=(c.p-c.q); \
 232                 }
 233
 234 #define M_ASN1_D2I_get_EXP_set_opt(r,func,free_func,tag,b) \
 235         if ((c.slen != 0) && (M_ASN1_next == \
 236                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 237                 { \
 238                 int Tinf,Ttag,Tclass; \
 239                 long Tlen; \
 240                 \
 241                 c.q=c.p; \
 242                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 243                 if (Tinf & 0x80) \
 244                         { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
 245                         c.line=__LINE__; goto err; } \
 246                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
 247                                         Tlen = c.slen - (c.p - c.q) - 2; \
 248                 if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
 249                         (void (*)())free_func, \
 250                         b,V_ASN1_UNIVERSAL) == NULL) \
 251                         { c.line=__LINE__; goto err; } \
 252                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
 253                         Tlen = c.slen - (c.p - c.q); \
 254                         if(!ASN1_check_infinite_end(&c.p, Tlen)) \
 255                                 { c.error=ERR_R_MISSING_ASN1_EOS; \
 256                                 c.line=__LINE__; goto err; } \
 257                 }\
 258                 c.slen-=(c.p-c.q); \
 259                 }
 260
 261 /* New macros */
 262 #define M_ASN1_New_Malloc(ret,type) \
 263         if ((ret=(type *)Malloc(sizeof(type))) == NULL) \
 264                 { c.line=__LINE__; goto err2; }
 265
 266 #define M_ASN1_New(arg,func) \
 267         if (((arg)=func()) == NULL) return(NULL)
 268
 269 #define M_ASN1_New_Error(a) \
 270 /*      err:    ASN1_MAC_H_err((a),ERR_R_NESTED_ASN1_ERROR,c.line); \
 271                 return(NULL);*/ \
 272         err2:   ASN1_MAC_H_err((a),ERR_R_MALLOC_FAILURE,c.line); \
 273                 return(NULL)
 274
 275
 276 #define M_ASN1_next             (*c.p)
 277 #define M_ASN1_next_prev        (*c.q)
 278
 279 /*************************************************/
 280
 281 #define M_ASN1_I2D_vars(a)      int r=0,ret=0; \
 282                                 unsigned char *p; \
 283                                 if (a == NULL) return(0)
 284
 285 /* Length Macros */
 286 #define M_ASN1_I2D_len(a,f)     ret+=f(a,NULL)
 287 #define M_ASN1_I2D_len_IMP_opt(a,f)     if (a != NULL) M_ASN1_I2D_len(a,f)
 288
 289 #define M_ASN1_I2D_len_SET(a,f) \
 290                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
 291
 292 #define M_ASN1_I2D_len_SEQUENCE(a,f) \
 293                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
 294                                   IS_SEQUENCE);
 295
 296 #define M_ASN1_I2D_len_SEQUENCE_opt(a,f) \
 297                 if ((a != NULL) && (sk_num(a) != 0)) \
 298                         M_ASN1_I2D_len_SEQUENCE(a,f);
 299
 300 #define M_ASN1_I2D_len_IMP_SET(a,f,x) \
 301                 ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);
 302
 303 #define M_ASN1_I2D_len_IMP_SET_opt(a,f,x) \
 304                 if ((a != NULL) && (sk_num(a) != 0)) \
 305                         ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 306                                           IS_SET);
 307
 308 #define M_ASN1_I2D_len_IMP_SEQUENCE(a,f,x) \
 309                 ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 310                                   IS_SEQUENCE);
 311
 312 #define M_ASN1_I2D_len_IMP_SEQUENCE_opt(a,f,x) \
 313                 if ((a != NULL) && (sk_num(a) != 0)) \
 314                         ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 315                                           IS_SEQUENCE);
 316
 317 #define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
 318                 if (a != NULL)\
 319                         { \
 320                         v=f(a,NULL); \
 321                         ret+=ASN1_object_size(1,v,mtag); \
 322                         }
 323
 324 #define M_ASN1_I2D_len_EXP_SET_opt(a,f,mtag,tag,v) \
 325                 if ((a != NULL) && (sk_num(a) != 0))\
 326                         { \
 327                         v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
 328                         ret+=ASN1_object_size(1,v,mtag); \
 329                         }
 330
 331 #define M_ASN1_I2D_len_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
 332                 if ((a != NULL) && (sk_num(a) != 0))\
 333                         { \
 334                         v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL, \
 335                                        IS_SEQUENCE); \
 336                         ret+=ASN1_object_size(1,v,mtag); \
 337                         }
 338
 339 /* Put Macros */
 340 #define M_ASN1_I2D_put(a,f)     f(a,&p)
 341
 342 #define M_ASN1_I2D_put_IMP_opt(a,f,t)   \
 343                 if (a != NULL) \
 344                         { \
 345                         unsigned char *q=p; \
 346                         f(a,&p); \
 347                         *q=(V_ASN1_CONTEXT_SPECIFIC|t|(*q&V_ASN1_CONSTRUCTED));\
 348                         }
 349
 350 #define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
 351                         V_ASN1_UNIVERSAL,IS_SET)
 352 #define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
 353                         V_ASN1_CONTEXT_SPECIFIC,IS_SET)
 354 #define M_ASN1_I2D_put_IMP_SEQUENCE(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
 355                         V_ASN1_CONTEXT_SPECIFIC,IS_SEQUENCE)
 356
 357 #define M_ASN1_I2D_put_SEQUENCE(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
 358                                              V_ASN1_UNIVERSAL,IS_SEQUENCE)
 359
 360 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
 361                 if ((a != NULL) && (sk_num(a) != 0)) \
 362                         M_ASN1_I2D_put_SEQUENCE(a,f);
 363
 364 #define M_ASN1_I2D_put_IMP_SET_opt(a,f,x) \
 365                 if ((a != NULL) && (sk_num(a) != 0)) \
 366                         { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 367                                        IS_SET); }
 368
 369 #define M_ASN1_I2D_put_IMP_SEQUENCE_opt(a,f,x) \
 370                 if ((a != NULL) && (sk_num(a) != 0)) \
 371                         { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 372                                        IS_SEQUENCE); }
 373
 374 #define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
 375                 if (a != NULL) \
 376                         { \
 377                         ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
 378                         f(a,&p); \
 379                         }
 380
 381 #define M_ASN1_I2D_put_EXP_SET_opt(a,f,mtag,tag,v) \
 382                 if ((a != NULL) && (sk_num(a) != 0)) \
 383                         { \
 384                         ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
 385                         i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
 386                         }
 387
 388 #define M_ASN1_I2D_put_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
 389                 if ((a != NULL) && (sk_num(a) != 0)) \
 390                         { \
 391                         ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
 392                         i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
 393                         }
 394
 395 #define M_ASN1_I2D_seq_total() \
 396                 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
 397                 if (pp == NULL) return(r); \
 398                 p= *pp; \
 399                 ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
 400
 401 #define M_ASN1_I2D_INF_seq_start(tag,ctx) \
 402                 *(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
 403                 *(p++)=0x80
 404
 405 #define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00
 406
 407 #define M_ASN1_I2D_finish()     *pp=p; \
 408                                 return(r);
 409
 410 #ifndef NOPROTO
 411 int asn1_GetSequence(ASN1_CTX *c, long *length);
 412 void asn1_add_error(unsigned char *address,int offset);
 413 #else
 414 int asn1_GetSequence();
 415 void asn1_add_error();
 416 #endif
 417
 418 #ifdef  __cplusplus
 419 }
 420 #endif
 421
 422 #endif