crypto/objects/obj_dat.c

   1 /* crypto/objects/obj_dat.c */
   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 #include <stdio.h>
  60 #include <ctype.h>
  61 #include "cryptlib.h"
  62 #include "lhash.h"
  63 #include "asn1.h"
  64 #include "objects.h"
  65
  66 /* obj_dat.h is generated from objects.h by obj_dat.pl */
  67 #include "obj_dat.h"
  68
  69 #ifndef NOPROTO
  70 static int sn_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  71 static int ln_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  72 static int obj_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  73 #else
  74 static int sn_cmp();
  75 static int ln_cmp();
  76 static int obj_cmp();
  77 #endif
  78
  79 #define ADDED_DATA      0
  80 #define ADDED_SNAME     1
  81 #define ADDED_LNAME     2
  82 #define ADDED_NID       3
  83
  84 typedef struct added_obj_st
  85         {
  86         int type;
  87         ASN1_OBJECT *obj;
  88         } ADDED_OBJ;
  89
  90 static int new_nid=NUM_NID;
  91 static LHASH *added=NULL;
  92
  93 static int sn_cmp(ap,bp)
  94 ASN1_OBJECT **ap;
  95 ASN1_OBJECT **bp;
  96         { return(strcmp((*ap)->sn,(*bp)->sn)); }
  97
  98 static int ln_cmp(ap,bp)
  99 ASN1_OBJECT **ap;
 100 ASN1_OBJECT **bp;
 101         { return(strcmp((*ap)->ln,(*bp)->ln)); }
 102
 103 static unsigned long add_hash(ca)
 104 ADDED_OBJ *ca;
 105         {
 106         ASN1_OBJECT *a;
 107         int i;
 108         unsigned long ret=0;
 109         unsigned char *p;
 110
 111         a=ca->obj;
 112         switch (ca->type)
 113                 {
 114         case ADDED_DATA:
 115                 ret=a->length<<20L;
 116                 p=(unsigned char *)a->data;
 117                 for (i=0; i<a->length; i++)
 118                         ret^=p[i]<<((i*3)%24);
 119                 break;
 120         case ADDED_SNAME:
 121                 ret=lh_strhash(a->sn);
 122                 break;
 123         case ADDED_LNAME:
 124                 ret=lh_strhash(a->ln);
 125                 break;
 126         case ADDED_NID:
 127                 ret=a->nid;
 128                 break;
 129         default:
 130                 abort();
 131                 }
 132         ret&=0x3fffffffL;
 133         ret|=ca->type<<30L;
 134         return(ret);
 135         }
 136
 137 static int add_cmp(ca,cb)
 138 ADDED_OBJ *ca,*cb;
 139         {
 140         ASN1_OBJECT *a,*b;
 141         int i;
 142
 143         i=ca->type-cb->type;
 144         if (i) return(i);
 145         a=ca->obj;
 146         b=cb->obj;
 147         switch (ca->type)
 148                 {
 149         case ADDED_DATA:
 150                 i=(a->length - b->length);
 151                 if (i) return(i);
 152                 return(memcmp(a->data,b->data,a->length));
 153         case ADDED_SNAME:
 154                 if (a->sn == NULL) return(-1);
 155                 else if (b->sn == NULL) return(1);
 156                 else return(strcmp(a->sn,b->sn));
 157         case ADDED_LNAME:
 158                 if (a->ln == NULL) return(-1);
 159                 else if (b->ln == NULL) return(1);
 160                 else return(strcmp(a->ln,b->ln));
 161         case ADDED_NID:
 162                 return(a->nid-b->nid);
 163         default:
 164                 abort();
 165                 }
 166         }
 167
 168 static int init_added()
 169         {
 170         if (added != NULL) return(1);
 171         added=lh_new(add_hash,add_cmp);
 172         return(added != NULL);
 173         }
 174
 175 static void cleanup1(a)
 176 ADDED_OBJ *a;
 177         {
 178         a->obj->nid=0;
 179         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
 180                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS;
 181         }
 182
 183 static void cleanup2(a)
 184 ADDED_OBJ *a;
 185         { a->obj->nid++; }
 186
 187 static void cleanup3(a)
 188 ADDED_OBJ *a;
 189         {
 190         if (--a->obj->nid == 0)
 191                 ASN1_OBJECT_free(a->obj);
 192         Free(a);
 193         }
 194
 195 void OBJ_cleanup()
 196         {
 197         if (added == NULL) return;
 198         added->down_load=0;
 199         lh_doall(added,cleanup1); /* zero counters */
 200         lh_doall(added,cleanup2); /* set counters */
 201         lh_doall(added,cleanup3); /* free objects */
 202         lh_free(added);
 203         added=NULL;
 204         }
 205
 206 int OBJ_new_nid(num)
 207 int num;
 208         {
 209         int i;
 210
 211         i=new_nid;
 212         new_nid+=num;
 213         return(i);
 214         }
 215
 216 int OBJ_add_object(obj)
 217 ASN1_OBJECT *obj;
 218         {
 219         ASN1_OBJECT *o;
 220         ADDED_OBJ *ao[4],*aop;
 221         int i;
 222
 223         if (added == NULL)
 224                 if (!init_added()) return(0);
 225         if ((o=OBJ_dup(obj)) == NULL) goto err;
 226         ao[ADDED_DATA]=NULL;
 227         ao[ADDED_SNAME]=NULL;
 228         ao[ADDED_LNAME]=NULL;
 229         ao[ADDED_NID]=NULL;
 230         ao[ADDED_NID]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 231         if ((o->length != 0) && (obj->data != NULL))
 232                 ao[ADDED_DATA]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 233         if (o->sn != NULL)
 234                 ao[ADDED_SNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 235         if (o->ln != NULL)
 236                 ao[ADDED_LNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 237
 238         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 239                 {
 240                 if (ao[i] != NULL)
 241                         {
 242                         ao[i]->type=i;
 243                         ao[i]->obj=o;
 244                         aop=(ADDED_OBJ *)lh_insert(added,(char *)ao[i]);
 245                         /* memory leak, buit should not normally matter */
 246                         if (aop != NULL)
 247                                 Free(aop);
 248                         }
 249                 }
 250         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS);
 251         return(o->nid);
 252 err:
 253         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 254                 if (ao[i] != NULL) Free(ao[i]);
 255         if (o != NULL) Free(o);
 256         return(NID_undef);
 257         }
 258
 259 ASN1_OBJECT *OBJ_nid2obj(n)
 260 int n;
 261         {
 262         ADDED_OBJ ad,*adp;
 263         ASN1_OBJECT ob;
 264
 265         if ((n >= 0) && (n < NUM_NID))
 266                 {
 267                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 268                         {
 269                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 270                         return(NULL);
 271                         }
 272                 return((ASN1_OBJECT *)&(nid_objs[n]));
 273                 }
 274         else if (added == NULL)
 275                 return(NULL);
 276         else
 277                 {
 278                 ad.type=ADDED_NID;
 279                 ad.obj= &ob;
 280                 ob.nid=n;
 281                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 282                 if (adp != NULL)
 283                         return(adp->obj);
 284                 else
 285                         {
 286                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 287                         return(NULL);
 288                         }
 289                 }
 290         }
 291
 292 char *OBJ_nid2sn(n)
 293 int n;
 294         {
 295         ADDED_OBJ ad,*adp;
 296         ASN1_OBJECT ob;
 297
 298         if ((n >= 0) && (n < NUM_NID))
 299                 {
 300                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 301                         {
 302                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 303                         return(NULL);
 304                         }
 305                 return(nid_objs[n].sn);
 306                 }
 307         else if (added == NULL)
 308                 return(NULL);
 309         else
 310                 {
 311                 ad.type=ADDED_NID;
 312                 ad.obj= &ob;
 313                 ob.nid=n;
 314                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 315                 if (adp != NULL)
 316                         return(adp->obj->sn);
 317                 else
 318                         {
 319                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 320                         return(NULL);
 321                         }
 322                 }
 323         }
 324
 325 char *OBJ_nid2ln(n)
 326 int n;
 327         {
 328         ADDED_OBJ ad,*adp;
 329         ASN1_OBJECT ob;
 330
 331         if ((n >= 0) && (n < NUM_NID))
 332                 {
 333                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 334                         {
 335                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 336                         return(NULL);
 337                         }
 338                 return(nid_objs[n].ln);
 339                 }
 340         else if (added == NULL)
 341                 return(NULL);
 342         else
 343                 {
 344                 ad.type=ADDED_NID;
 345                 ad.obj= &ob;
 346                 ob.nid=n;
 347                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 348                 if (adp != NULL)
 349                         return(adp->obj->ln);
 350                 else
 351                         {
 352                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 353                         return(NULL);
 354                         }
 355                 }
 356         }
 357
 358 int OBJ_obj2nid(a)
 359 ASN1_OBJECT *a;
 360         {
 361         ASN1_OBJECT **op;
 362         ADDED_OBJ ad,*adp;
 363
 364         if (a == NULL)
 365                 return(NID_undef);
 366         if (a->nid != 0)
 367                 return(a->nid);
 368
 369         if (added != NULL)
 370                 {
 371                 ad.type=ADDED_DATA;
 372                 ad.obj=a;
 373                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 374                 if (adp != NULL) return (adp->obj->nid);
 375                 }
 376         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&a,(char *)obj_objs,NUM_OBJ,
 377                 sizeof(ASN1_OBJECT *),(int (*)())obj_cmp);
 378         if (op == NULL)
 379                 return(NID_undef);
 380         return((*op)->nid);
 381         }
 382
 383 int OBJ_txt2nid(s)
 384 char *s;
 385         {
 386         int ret;
 387
 388         ret=OBJ_sn2nid(s);
 389         if (ret == NID_undef)
 390                 {
 391                 ret=OBJ_ln2nid(s);
 392                 if (ret == NID_undef)
 393                         {
 394                         ASN1_OBJECT *op=NULL;
 395                         unsigned char *buf,*p;
 396                         int i;
 397
 398                         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 399                         if (i <= 0)
 400                                 {
 401                                 /* clear the error */
 402                                 ERR_get_error();
 403                                 return(0);
 404                                 }
 405
 406                         if ((buf=(unsigned char *)Malloc(i)) == NULL)
 407                                 return(NID_undef);
 408                         a2d_ASN1_OBJECT(buf,i,s,-1);
 409                         p=buf;
 410                         op=d2i_ASN1_OBJECT(NULL,&p,i);
 411                         if (op == NULL) return(NID_undef);
 412                         ret=OBJ_obj2nid(op);
 413                         ASN1_OBJECT_free(op);
 414                         Free(buf);
 415                         }
 416                 }
 417         return(ret);
 418         }
 419
 420 int OBJ_ln2nid(s)
 421 char *s;
 422         {
 423         ASN1_OBJECT o,*oo= &o,**op;
 424         ADDED_OBJ ad,*adp;
 425
 426         o.ln=s;
 427         if (added != NULL)
 428                 {
 429                 ad.type=ADDED_LNAME;
 430                 ad.obj= &o;
 431                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 432                 if (adp != NULL) return (adp->obj->nid);
 433                 }
 434         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs,NUM_LN,
 435                 sizeof(ASN1_OBJECT *),(int (*)())ln_cmp);
 436         if (op == NULL) return(NID_undef);
 437         return((*op)->nid);
 438         }
 439
 440 int OBJ_sn2nid(s)
 441 char *s;
 442         {
 443         ASN1_OBJECT o,*oo= &o,**op;
 444         ADDED_OBJ ad,*adp;
 445
 446         o.sn=s;
 447         if (added != NULL)
 448                 {
 449                 ad.type=ADDED_SNAME;
 450                 ad.obj= &o;
 451                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 452                 if (adp != NULL) return (adp->obj->nid);
 453                 }
 454         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
 455                 sizeof(ASN1_OBJECT *),(int (*)())sn_cmp);
 456         if (op == NULL) return(NID_undef);
 457         return((*op)->nid);
 458         }
 459
 460 static int obj_cmp(ap, bp)
 461 ASN1_OBJECT **ap;
 462 ASN1_OBJECT **bp;
 463         {
 464         int j;
 465         ASN1_OBJECT *a= *ap;
 466         ASN1_OBJECT *b= *bp;
 467
 468         j=(a->length - b->length);
 469         if (j) return(j);
 470         return(memcmp(a->data,b->data,a->length));
 471         }
 472
 473 char *OBJ_bsearch(key,base,num,size,cmp)
 474 char *key;
 475 char *base;
 476 int num;
 477 int size;
 478 int (*cmp)();
 479         {
 480         int l,h,i,c;
 481         char *p;
 482
 483         if (num == 0) return(NULL);
 484         l=0;
 485         h=num;
 486         while (l < h)
 487                 {
 488                 i=(l+h)/2;
 489                 p= &(base[i*size]);
 490                 c=(*cmp)(key,p);
 491                 if (c < 0)
 492                         h=i;
 493                 else if (c > 0)
 494                         l=i+1;
 495                 else
 496                         return(p);
 497                 }
 498         return(NULL);
 499         }
 500
 501 int OBJ_create_objects(in)
 502 BIO *in;
 503         {
 504         MS_STATIC char buf[512];
 505         int i,num= -1;
 506         char *o,*s,*l=NULL;
 507
 508         for (;;)
 509                 {
 510                 s=o=NULL;
 511                 i=BIO_gets(in,buf,512);
 512                 if (i <= 0) return(num);
 513                 buf[i-1]='\0';
 514                 if (!isalnum(buf[0])) return(num);
 515                 o=s=buf;
 516                 while (isdigit(*s) || (*s == '.'))
 517                         s++;
 518                 if (*s != '\0')
 519                         {
 520                         *(s++)='\0';
 521                         while (isspace(*s))
 522                                 s++;
 523                         if (*s == '\0')
 524                                 s=NULL;
 525                         else
 526                                 {
 527                                 l=s;
 528                                 while ((*l != '\0') && !isspace(*l))
 529                                         l++;
 530                                 if (*l != '\0')
 531                                         {
 532                                         *(l++)='\0';
 533                                         while (isspace(*l))
 534                                                 l++;
 535                                         if (*l == '\0') l=NULL;
 536                                         }
 537                                 else
 538                                         l=NULL;
 539                                 }
 540                         }
 541                 else
 542                         s=NULL;
 543                 if ((o == NULL) || (*o == '\0')) return(num);
 544                 if (!OBJ_create(o,s,l)) return(num);
 545                 num++;
 546                 }
 547         return(num);
 548         }
 549
 550 int OBJ_create(oid,sn,ln)
 551 char *oid;
 552 char *sn;
 553 char *ln;
 554         {
 555         int ok=0;
 556         ASN1_OBJECT *op=NULL;
 557         unsigned char *buf;
 558         int i;
 559
 560         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
 561         if (i <= 0) return(0);
 562
 563         if ((buf=(unsigned char *)Malloc(i)) == NULL)
 564                 {
 565                 OBJerr(OBJ_F_OBJ_CREATE,OBJ_R_MALLOC_FAILURE);
 566                 return(0);
 567                 }
 568         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
 569         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
 570         if (op == NULL)
 571                 goto err;
 572         ok=OBJ_add_object(op);
 573 err:
 574         ASN1_OBJECT_free(op);
 575         Free((char *)buf);
 576         return(ok);
 577         }
 578