crypto/asn1/asn1_mac.h

   1 /* crypto/asn1/asn1_mac.h */
   2 /* Copyright (C) 1995-1997 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         if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
  95         return(NULL)
  96
  97 #define M_ASN1_D2I_start_sequence() \
  98         if (!asn1_GetSequence(&c,&length)) goto err;
  99
 100 #define M_ASN1_D2I_end_sequence() \
 101         (((c.inf&1) == 0)?(c.slen <= 0): \
 102                 (c.eos=ASN1_check_infinite_end(&c.p,c.slen)))
 103
 104 #define M_ASN1_D2I_get(b,func) \
 105         c.q=c.p; \
 106         if (func(&(b),&c.p,c.slen) == NULL) goto err; \
 107         c.slen-=(c.p-c.q);
 108
 109 #define M_ASN1_D2I_get_opt(b,func,type) \
 110         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
 111                 == (V_ASN1_UNIVERSAL|(type)))) \
 112                 { \
 113                 M_ASN1_D2I_get(b,func); \
 114                 }
 115
 116 #define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
 117         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
 118                 (V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
 119                 { \
 120                 unsigned char tmp; \
 121                 tmp=M_ASN1_next; \
 122                 M_ASN1_next=(tmp& ~V_ASN1_PRIMATIVE_TAG)|type; \
 123                 M_ASN1_D2I_get(b,func); \
 124                 M_ASN1_next_prev=tmp; \
 125                 }
 126
 127 #define M_ASN1_D2I_get_set(r,func) \
 128                 M_ASN1_D2I_get_imp_set(r,func,V_ASN1_SET,V_ASN1_UNIVERSAL);
 129
 130 #define M_ASN1_D2I_get_IMP_set_opt(b,func,tag) \
 131         if ((c.slen != 0) && \
 132                 (M_ASN1_next == \
 133                 (V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
 134                 { \
 135                 M_ASN1_D2I_get_imp_set(b,func,tag,V_ASN1_CONTEXT_SPECIFIC); \
 136                 }
 137
 138 #define M_ASN1_D2I_get_seq(r,func) \
 139                 M_ASN1_D2I_get_imp_set(r,func,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 140
 141 #define M_ASN1_D2I_get_seq_opt(r,func) \
 142         if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 143                 V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
 144                 { M_ASN1_D2I_get_seq(r,func); }
 145
 146 #define M_ASN1_D2I_get_IMP_set(r,func,x) \
 147                 M_ASN1_D2I_get_imp_set(r,func,x,V_ASN1_CONTEXT_SPECIFIC);
 148
 149 #define M_ASN1_D2I_get_imp_set(r,func,a,b) \
 150         c.q=c.p; \
 151         if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,a,b) == NULL) \
 152                 goto err; \
 153         c.slen-=(c.p-c.q);
 154
 155 #define M_ASN1_D2I_get_set_strings(r,func,a,b) \
 156         c.q=c.p; \
 157         if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
 158                 goto err; \
 159         c.slen-=(c.p-c.q);
 160
 161 #define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
 162         if ((c.slen != 0L) && (M_ASN1_next == \
 163                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 164                 { \
 165                 int Tinf,Ttag,Tclass; \
 166                 long Tlen; \
 167                 \
 168                 c.q=c.p; \
 169                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 170                 if (Tinf & 0x80) \
 171                         { c.error=ASN1_R_BAD_OBJECT_HEADER; goto err; } \
 172                 if (func(&(r),&c.p,Tlen) == NULL) \
 173                         goto err; \
 174                 c.slen-=(c.p-c.q); \
 175                 }
 176
 177 #define M_ASN1_D2I_get_EXP_set_opt(r,func,tag,b) \
 178         if ((c.slen != 0) && (M_ASN1_next == \
 179                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 180                 { \
 181                 int Tinf,Ttag,Tclass; \
 182                 long Tlen; \
 183                 \
 184                 c.q=c.p; \
 185                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 186                 if (Tinf & 0x80) \
 187                         { c.error=ASN1_R_BAD_OBJECT_HEADER; goto err; } \
 188                 if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
 189                         b,V_ASN1_UNIVERSAL) == NULL) \
 190                         goto err; \
 191                 c.slen-=(c.p-c.q); \
 192                 }
 193
 194 /* New macros */
 195 #define M_ASN1_New_Malloc(ret,type) \
 196         if ((ret=(type *)Malloc(sizeof(type))) == NULL) goto err2;
 197
 198 #define M_ASN1_New(arg,func) \
 199         if (((arg)=func()) == NULL) return(NULL)
 200
 201 #define M_ASN1_New_Error(a) \
 202 /*      err:    ASN1err((a),ASN1_R_ERROR_STACK); \
 203                 return(NULL);*/ \
 204         err2:   ASN1err((a),ERR_R_MALLOC_FAILURE); \
 205                 return(NULL)
 206
 207
 208 #define M_ASN1_next             (*c.p)
 209 #define M_ASN1_next_prev        (*c.q)
 210
 211 /*************************************************/
 212
 213 #define M_ASN1_I2D_vars(a)      int r=0,ret=0; \
 214                                 unsigned char *p; \
 215                                 if (a == NULL) return(0)
 216
 217 /* Length Macros */
 218 #define M_ASN1_I2D_len(a,f)     ret+=f(a,NULL)
 219 #define M_ASN1_I2D_len_IMP_opt(a,f)     if (a != NULL) M_ASN1_I2D_len(a,f)
 220
 221 #define M_ASN1_I2D_len_SET(a,f) \
 222                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL);
 223
 224 #define M_ASN1_I2D_len_SEQ(a,f) \
 225                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 226
 227 #define M_ASN1_I2D_len_SEQ_opt(a,f) \
 228                 if ((a != NULL) && (sk_num(a) != 0)) \
 229                         M_ASN1_I2D_len_SEQ(a,f);
 230
 231 #define M_ASN1_I2D_len_IMP_set(a,f,x) \
 232                 ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC);
 233
 234 #define M_ASN1_I2D_len_IMP_set_opt(a,f,x) \
 235                 if ((a != NULL) && (sk_num(a) != 0)) \
 236                         ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC);
 237
 238 #define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
 239                 if (a != NULL)\
 240                         { \
 241                         v=f(a,NULL); \
 242                         ret+=ASN1_object_size(1,v,mtag); \
 243                         }
 244
 245 #define M_ASN1_I2D_len_EXP_set_opt(a,f,mtag,tag,v) \
 246                 if ((a != NULL) && (sk_num(a) != 0))\
 247                         { \
 248                         v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL); \
 249                         ret+=ASN1_object_size(1,v,mtag); \
 250                         }
 251
 252 /* Put Macros */
 253 #define M_ASN1_I2D_put(a,f)     f(a,&p)
 254
 255 #define M_ASN1_I2D_put_IMP_opt(a,f,t)   \
 256                 if (a != NULL) \
 257                         { \
 258                         unsigned char *q=p; \
 259                         f(a,&p); \
 260                         *q=(V_ASN1_CONTEXT_SPECIFIC|t); \
 261                         }
 262
 263 #define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
 264                         V_ASN1_UNIVERSAL)
 265 #define M_ASN1_I2D_put_IMP_set(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
 266                         V_ASN1_CONTEXT_SPECIFIC)
 267
 268 #define M_ASN1_I2D_put_SEQ(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
 269                         V_ASN1_UNIVERSAL)
 270
 271 #define M_ASN1_I2D_put_SEQ_opt(a,f) \
 272                 if ((a != NULL) && (sk_num(a) != 0)) \
 273                         M_ASN1_I2D_put_SEQ(a,f);
 274
 275 #define M_ASN1_I2D_put_IMP_set_opt(a,f,x) \
 276                 if ((a != NULL) && (sk_num(a) != 0)) \
 277                         { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC); }
 278
 279 #define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
 280                 if (a != NULL) \
 281                         { \
 282                         ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
 283                         f(a,&p); \
 284                         }
 285
 286 #define M_ASN1_I2D_put_EXP_set_opt(a,f,mtag,tag,v) \
 287                 if ((a != NULL) && (sk_num(a) != 0)) \
 288                         { \
 289                         ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
 290                         i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL); \
 291                         }
 292
 293 #define M_ASN1_I2D_seq_total() \
 294                 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
 295                 if (pp == NULL) return(r); \
 296                 p= *pp; \
 297                 ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
 298
 299 #define M_ASN1_I2D_INF_seq_start(tag,ctx) \
 300                 *(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
 301                 *(p++)=0x80
 302
 303 #define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00
 304
 305 #define M_ASN1_I2D_finish()     *pp=p; \
 306                                 return(r);
 307
 308 #ifndef NOPROTO
 309 int asn1_GetSequence(ASN1_CTX *c, long *length);
 310 #else
 311 int asn1_GetSequence();
 312 #endif
 313
 314 #ifdef  __cplusplus
 315 }
 316 #endif
 317
 318 #endif