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 #define M_ASN1_D2I_vars(a,type,func) \
  71         ASN1_CTX c; \
  72         type ret=NULL; \
  73         \
  74         c.pp=pp; \
  75         c.error=ASN1_R_ERROR_STACK; \
  76         if ((a == NULL) || ((*a) == NULL)) \
  77                 { if ((ret=(type)func()) == NULL) goto err; } \
  78         else    ret=(*a);
  79
  80 #define M_ASN1_D2I_Init() \
  81         c.p= *pp; \
  82         c.max=(length == 0)?0:(c.p+length);
  83
  84 #define M_ASN1_D2I_Finish_2(a) \
  85         if (!asn1_Finish(&c)) goto err; \
  86         *pp=c.p; \
  87         if (a != NULL) (*a)=ret; \
  88         return(ret);
  89
  90 #define M_ASN1_D2I_Finish(a,func,e) \
  91         M_ASN1_D2I_Finish_2(a); \
  92 err:\
  93         ASN1err((e),c.error); \
  94         asn1_add_error(*pp,(int)(c.q- *pp)); \
  95         if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
  96         return(NULL)
  97
  98 #define M_ASN1_D2I_start_sequence() \
  99         if (!asn1_GetSequence(&c,&length)) goto err;
 100
 101 #define M_ASN1_D2I_end_sequence() \
 102         (((c.inf&1) == 0)?(c.slen <= 0): \
 103                 (c.eos=ASN1_check_infinite_end(&c.p,c.slen)))
 104
 105 #define M_ASN1_D2I_get(b,func) \
 106         c.q=c.p; \
 107         if (func(&(b),&c.p,c.slen) == NULL) goto err; \
 108         c.slen-=(c.p-c.q);
 109
 110 #define M_ASN1_D2I_get_opt(b,func,type) \
 111         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
 112                 == (V_ASN1_UNIVERSAL|(type)))) \
 113                 { \
 114                 M_ASN1_D2I_get(b,func); \
 115                 }
 116
 117 #define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
 118         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
 119                 (V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
 120                 { \
 121                 unsigned char tmp; \
 122                 tmp=M_ASN1_next; \
 123                 M_ASN1_next=(tmp& ~V_ASN1_PRIMATIVE_TAG)|type; \
 124                 M_ASN1_D2I_get(b,func); \
 125                 M_ASN1_next_prev=tmp; \
 126                 }
 127
 128 #define M_ASN1_D2I_get_set(r,func) \
 129                 M_ASN1_D2I_get_imp_set(r,func,V_ASN1_SET,V_ASN1_UNIVERSAL);
 130
 131 #define M_ASN1_D2I_get_IMP_set_opt(b,func,tag) \
 132         if ((c.slen != 0) && \
 133                 (M_ASN1_next == \
 134                 (V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
 135                 { \
 136                 M_ASN1_D2I_get_imp_set(b,func,tag,V_ASN1_CONTEXT_SPECIFIC); \
 137                 }
 138
 139 #define M_ASN1_D2I_get_seq(r,func) \
 140                 M_ASN1_D2I_get_imp_set(r,func,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 141
 142 #define M_ASN1_D2I_get_seq_opt(r,func) \
 143         if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 144                 V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
 145                 { M_ASN1_D2I_get_seq(r,func); }
 146
 147 #define M_ASN1_D2I_get_IMP_set(r,func,x) \
 148                 M_ASN1_D2I_get_imp_set(r,func,x,V_ASN1_CONTEXT_SPECIFIC);
 149
 150 #define M_ASN1_D2I_get_imp_set(r,func,a,b) \
 151         c.q=c.p; \
 152         if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,a,b) == NULL) \
 153                 goto err; \
 154         c.slen-=(c.p-c.q);
 155
 156 #define M_ASN1_D2I_get_set_strings(r,func,a,b) \
 157         c.q=c.p; \
 158         if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
 159                 goto err; \
 160         c.slen-=(c.p-c.q);
 161
 162 #define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
 163         if ((c.slen != 0L) && (M_ASN1_next == \
 164                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 165                 { \
 166                 int Tinf,Ttag,Tclass; \
 167                 long Tlen; \
 168                 \
 169                 c.q=c.p; \
 170                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 171                 if (Tinf & 0x80) \
 172                         { c.error=ASN1_R_BAD_OBJECT_HEADER; goto err; } \
 173                 if (func(&(r),&c.p,Tlen) == NULL) \
 174                         goto err; \
 175                 c.slen-=(c.p-c.q); \
 176                 }
 177
 178 #define M_ASN1_D2I_get_EXP_set_opt(r,func,tag,b) \
 179         if ((c.slen != 0) && (M_ASN1_next == \
 180                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 181                 { \
 182                 int Tinf,Ttag,Tclass; \
 183                 long Tlen; \
 184                 \
 185                 c.q=c.p; \
 186                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 187                 if (Tinf & 0x80) \
 188                         { c.error=ASN1_R_BAD_OBJECT_HEADER; goto err; } \
 189                 if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
 190                         b,V_ASN1_UNIVERSAL) == NULL) \
 191                         goto err; \
 192                 c.slen-=(c.p-c.q); \
 193                 }
 194
 195 /* New macros */
 196 #define M_ASN1_New_Malloc(ret,type) \
 197         if ((ret=(type *)Malloc(sizeof(type))) == NULL) goto err2;
 198
 199 #define M_ASN1_New(arg,func) \
 200         if (((arg)=func()) == NULL) return(NULL)
 201
 202 #define M_ASN1_New_Error(a) \
 203 /*      err:    ASN1err((a),ASN1_R_ERROR_STACK); \
 204                 return(NULL);*/ \
 205         err2:   ASN1err((a),ERR_R_MALLOC_FAILURE); \
 206                 return(NULL)
 207
 208
 209 #define M_ASN1_next             (*c.p)
 210 #define M_ASN1_next_prev        (*c.q)
 211
 212 /*************************************************/
 213
 214 #define M_ASN1_I2D_vars(a)      int r=0,ret=0; \
 215                                 unsigned char *p; \
 216                                 if (a == NULL) return(0)
 217
 218 /* Length Macros */
 219 #define M_ASN1_I2D_len(a,f)     ret+=f(a,NULL)
 220 #define M_ASN1_I2D_len_IMP_opt(a,f)     if (a != NULL) M_ASN1_I2D_len(a,f)
 221
 222 #define M_ASN1_I2D_len_SET(a,f) \
 223                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL);
 224
 225 #define M_ASN1_I2D_len_SEQ(a,f) \
 226                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 227
 228 #define M_ASN1_I2D_len_SEQ_opt(a,f) \
 229                 if ((a != NULL) && (sk_num(a) != 0)) \
 230                         M_ASN1_I2D_len_SEQ(a,f);
 231
 232 #define M_ASN1_I2D_len_IMP_set(a,f,x) \
 233                 ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC);
 234
 235 #define M_ASN1_I2D_len_IMP_set_opt(a,f,x) \
 236                 if ((a != NULL) && (sk_num(a) != 0)) \
 237                         ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC);
 238
 239 #define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
 240                 if (a != NULL)\
 241                         { \
 242                         v=f(a,NULL); \
 243                         ret+=ASN1_object_size(1,v,mtag); \
 244                         }
 245
 246 #define M_ASN1_I2D_len_EXP_set_opt(a,f,mtag,tag,v) \
 247                 if ((a != NULL) && (sk_num(a) != 0))\
 248                         { \
 249                         v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL); \
 250                         ret+=ASN1_object_size(1,v,mtag); \
 251                         }
 252
 253 /* Put Macros */
 254 #define M_ASN1_I2D_put(a,f)     f(a,&p)
 255
 256 #define M_ASN1_I2D_put_IMP_opt(a,f,t)   \
 257                 if (a != NULL) \
 258                         { \
 259                         unsigned char *q=p; \
 260                         f(a,&p); \
 261                         *q=(V_ASN1_CONTEXT_SPECIFIC|t|(*q&V_ASN1_CONSTRUCTED));\
 262                         }
 263
 264 #define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
 265                         V_ASN1_UNIVERSAL)
 266 #define M_ASN1_I2D_put_IMP_set(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
 267                         V_ASN1_CONTEXT_SPECIFIC)
 268
 269 #define M_ASN1_I2D_put_SEQ(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
 270                         V_ASN1_UNIVERSAL)
 271
 272 #define M_ASN1_I2D_put_SEQ_opt(a,f) \
 273                 if ((a != NULL) && (sk_num(a) != 0)) \
 274                         M_ASN1_I2D_put_SEQ(a,f);
 275
 276 #define M_ASN1_I2D_put_IMP_set_opt(a,f,x) \
 277                 if ((a != NULL) && (sk_num(a) != 0)) \
 278                         { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC); }
 279
 280 #define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
 281                 if (a != NULL) \
 282                         { \
 283                         ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
 284                         f(a,&p); \
 285                         }
 286
 287 #define M_ASN1_I2D_put_EXP_set_opt(a,f,mtag,tag,v) \
 288                 if ((a != NULL) && (sk_num(a) != 0)) \
 289                         { \
 290                         ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
 291                         i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL); \
 292                         }
 293
 294 #define M_ASN1_I2D_seq_total() \
 295                 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
 296                 if (pp == NULL) return(r); \
 297                 p= *pp; \
 298                 ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
 299
 300 #define M_ASN1_I2D_INF_seq_start(tag,ctx) \
 301                 *(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
 302                 *(p++)=0x80
 303
 304 #define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00
 305
 306 #define M_ASN1_I2D_finish()     *pp=p; \
 307                                 return(r);
 308
 309 #ifndef NOPROTO
 310 int asn1_GetSequence(ASN1_CTX *c, long *length);
 311 void asn1_add_error(unsigned char *address,int offset);
 312 #else
 313 int asn1_GetSequence();
 314 void asn1_add_error();
 315 #endif
 316
 317 #ifdef  __cplusplus
 318 }
 319 #endif
 320
 321 #endif