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 #ifndef NO_OBJECT
  68 #include "obj_dat.h"
  69 #else
  70 /* You will have to load all the objects needed manually in the application */
  71 #define NUM_NID 0
  72 #define NUM_SN 0
  73 #define NUM_LN 0
  74 #define NUM_OBJ 0
  75 static unsigned char lvalues[1];
  76 static ASN1_OBJECT nid_objs[1];
  77 static ASN1_OBJECT *sn_objs[1];
  78 static ASN1_OBJECT *ln_objs[1];
  79 static ASN1_OBJECT *obj_objs[1];
  80 #endif
  81
  82 #ifndef NOPROTO
  83 static int sn_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  84 static int ln_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  85 static int obj_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  86 #else
  87 static int sn_cmp();
  88 static int ln_cmp();
  89 static int obj_cmp();
  90 #endif
  91
  92 #define ADDED_DATA      0
  93 #define ADDED_SNAME     1
  94 #define ADDED_LNAME     2
  95 #define ADDED_NID       3
  96
  97 typedef struct added_obj_st
  98         {
  99         int type;
 100         ASN1_OBJECT *obj;
 101         } ADDED_OBJ;
 102
 103 static int new_nid=NUM_NID;
 104 static LHASH *added=NULL;
 105
 106 static int sn_cmp(ap,bp)
 107 ASN1_OBJECT **ap;
 108 ASN1_OBJECT **bp;
 109         { return(strcmp((*ap)->sn,(*bp)->sn)); }
 110
 111 static int ln_cmp(ap,bp)
 112 ASN1_OBJECT **ap;
 113 ASN1_OBJECT **bp;
 114         { return(strcmp((*ap)->ln,(*bp)->ln)); }
 115
 116 static unsigned long add_hash(ca)
 117 ADDED_OBJ *ca;
 118         {
 119         ASN1_OBJECT *a;
 120         int i;
 121         unsigned long ret=0;
 122         unsigned char *p;
 123
 124         a=ca->obj;
 125         switch (ca->type)
 126                 {
 127         case ADDED_DATA:
 128                 ret=a->length<<20L;
 129                 p=(unsigned char *)a->data;
 130                 for (i=0; i<a->length; i++)
 131                         ret^=p[i]<<((i*3)%24);
 132                 break;
 133         case ADDED_SNAME:
 134                 ret=lh_strhash(a->sn);
 135                 break;
 136         case ADDED_LNAME:
 137                 ret=lh_strhash(a->ln);
 138                 break;
 139         case ADDED_NID:
 140                 ret=a->nid;
 141                 break;
 142         default:
 143                 abort();
 144                 }
 145         ret&=0x3fffffffL;
 146         ret|=ca->type<<30L;
 147         return(ret);
 148         }
 149
 150 static int add_cmp(ca,cb)
 151 ADDED_OBJ *ca,*cb;
 152         {
 153         ASN1_OBJECT *a,*b;
 154         int i;
 155
 156         i=ca->type-cb->type;
 157         if (i) return(i);
 158         a=ca->obj;
 159         b=cb->obj;
 160         switch (ca->type)
 161                 {
 162         case ADDED_DATA:
 163                 i=(a->length - b->length);
 164                 if (i) return(i);
 165                 return(memcmp(a->data,b->data,a->length));
 166         case ADDED_SNAME:
 167                 if (a->sn == NULL) return(-1);
 168                 else if (b->sn == NULL) return(1);
 169                 else return(strcmp(a->sn,b->sn));
 170         case ADDED_LNAME:
 171                 if (a->ln == NULL) return(-1);
 172                 else if (b->ln == NULL) return(1);
 173                 else return(strcmp(a->ln,b->ln));
 174         case ADDED_NID:
 175                 return(a->nid-b->nid);
 176         default:
 177                 abort();
 178                 }
 179         return(1); /* should not get here */
 180         }
 181
 182 static int init_added()
 183         {
 184         if (added != NULL) return(1);
 185         added=lh_new(add_hash,add_cmp);
 186         return(added != NULL);
 187         }
 188
 189 static void cleanup1(a)
 190 ADDED_OBJ *a;
 191         {
 192         a->obj->nid=0;
 193         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
 194                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 195                         ASN1_OBJECT_FLAG_DYNAMIC_DATA;
 196         }
 197
 198 static void cleanup2(a)
 199 ADDED_OBJ *a;
 200         { a->obj->nid++; }
 201
 202 static void cleanup3(a)
 203 ADDED_OBJ *a;
 204         {
 205         if (--a->obj->nid == 0)
 206                 ASN1_OBJECT_free(a->obj);
 207         Free(a);
 208         }
 209
 210 void OBJ_cleanup()
 211         {
 212         if (added == NULL) return;
 213         added->down_load=0;
 214         lh_doall(added,cleanup1); /* zero counters */
 215         lh_doall(added,cleanup2); /* set counters */
 216         lh_doall(added,cleanup3); /* free objects */
 217         lh_free(added);
 218         added=NULL;
 219         }
 220
 221 int OBJ_new_nid(num)
 222 int num;
 223         {
 224         int i;
 225
 226         i=new_nid;
 227         new_nid+=num;
 228         return(i);
 229         }
 230
 231 int OBJ_add_object(obj)
 232 ASN1_OBJECT *obj;
 233         {
 234         ASN1_OBJECT *o;
 235         ADDED_OBJ *ao[4],*aop;
 236         int i;
 237
 238         if (added == NULL)
 239                 if (!init_added()) return(0);
 240         if ((o=OBJ_dup(obj)) == NULL) goto err;
 241         ao[ADDED_DATA]=NULL;
 242         ao[ADDED_SNAME]=NULL;
 243         ao[ADDED_LNAME]=NULL;
 244         ao[ADDED_NID]=NULL;
 245         ao[ADDED_NID]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 246         if ((o->length != 0) && (obj->data != NULL))
 247                 ao[ADDED_DATA]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 248         if (o->sn != NULL)
 249                 ao[ADDED_SNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 250         if (o->ln != NULL)
 251                 ao[ADDED_LNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 252
 253         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 254                 {
 255                 if (ao[i] != NULL)
 256                         {
 257                         ao[i]->type=i;
 258                         ao[i]->obj=o;
 259                         aop=(ADDED_OBJ *)lh_insert(added,(char *)ao[i]);
 260                         /* memory leak, buit should not normally matter */
 261                         if (aop != NULL)
 262                                 Free(aop);
 263                         }
 264                 }
 265         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 266                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
 267
 268         return(o->nid);
 269 err:
 270         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 271                 if (ao[i] != NULL) Free(ao[i]);
 272         if (o != NULL) Free(o);
 273         return(NID_undef);
 274         }
 275
 276 ASN1_OBJECT *OBJ_nid2obj(n)
 277 int n;
 278         {
 279         ADDED_OBJ ad,*adp;
 280         ASN1_OBJECT ob;
 281
 282         if ((n >= 0) && (n < NUM_NID))
 283                 {
 284                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 285                         {
 286                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 287                         return(NULL);
 288                         }
 289                 return((ASN1_OBJECT *)&(nid_objs[n]));
 290                 }
 291         else if (added == NULL)
 292                 return(NULL);
 293         else
 294                 {
 295                 ad.type=ADDED_NID;
 296                 ad.obj= &ob;
 297                 ob.nid=n;
 298                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 299                 if (adp != NULL)
 300                         return(adp->obj);
 301                 else
 302                         {
 303                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 304                         return(NULL);
 305                         }
 306                 }
 307         }
 308
 309 char *OBJ_nid2sn(n)
 310 int n;
 311         {
 312         ADDED_OBJ ad,*adp;
 313         ASN1_OBJECT ob;
 314
 315         if ((n >= 0) && (n < NUM_NID))
 316                 {
 317                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 318                         {
 319                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 320                         return(NULL);
 321                         }
 322                 return(nid_objs[n].sn);
 323                 }
 324         else if (added == NULL)
 325                 return(NULL);
 326         else
 327                 {
 328                 ad.type=ADDED_NID;
 329                 ad.obj= &ob;
 330                 ob.nid=n;
 331                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 332                 if (adp != NULL)
 333                         return(adp->obj->sn);
 334                 else
 335                         {
 336                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 337                         return(NULL);
 338                         }
 339                 }
 340         }
 341
 342 char *OBJ_nid2ln(n)
 343 int n;
 344         {
 345         ADDED_OBJ ad,*adp;
 346         ASN1_OBJECT ob;
 347
 348         if ((n >= 0) && (n < NUM_NID))
 349                 {
 350                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 351                         {
 352                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 353                         return(NULL);
 354                         }
 355                 return(nid_objs[n].ln);
 356                 }
 357         else if (added == NULL)
 358                 return(NULL);
 359         else
 360                 {
 361                 ad.type=ADDED_NID;
 362                 ad.obj= &ob;
 363                 ob.nid=n;
 364                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 365                 if (adp != NULL)
 366                         return(adp->obj->ln);
 367                 else
 368                         {
 369                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 370                         return(NULL);
 371                         }
 372                 }
 373         }
 374
 375 int OBJ_obj2nid(a)
 376 ASN1_OBJECT *a;
 377         {
 378         ASN1_OBJECT **op;
 379         ADDED_OBJ ad,*adp;
 380
 381         if (a == NULL)
 382                 return(NID_undef);
 383         if (a->nid != 0)
 384                 return(a->nid);
 385
 386         if (added != NULL)
 387                 {
 388                 ad.type=ADDED_DATA;
 389                 ad.obj=a;
 390                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 391                 if (adp != NULL) return (adp->obj->nid);
 392                 }
 393         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&a,(char *)obj_objs,NUM_OBJ,
 394                 sizeof(ASN1_OBJECT *),(int (*)())obj_cmp);
 395         if (op == NULL)
 396                 return(NID_undef);
 397         return((*op)->nid);
 398         }
 399
 400 /* Convert an object name into an ASN1_OBJECT
 401  * if "noname" is not set then search for short and long names first.
 402  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
 403  * it can be used with any objects, not just registered ones.
 404  */
 405
 406 ASN1_OBJECT *OBJ_txt2obj(s, no_name)
 407 char *s;
 408 int no_name;
 409         {
 410         int nid = NID_undef;
 411         ASN1_OBJECT *op=NULL;
 412         unsigned char *buf,*p;
 413         int i, j;
 414
 415         if(!no_name) {
 416                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
 417                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
 418                                         return OBJ_nid2obj(nid);
 419         }
 420
 421         /* Work out size of content octets */
 422         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 423         if (i <= 0) return NULL;
 424         /* Work out total size */
 425         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
 426
 427         if((buf=(unsigned char *)Malloc(j)) == NULL) return NULL;
 428
 429         p = buf;
 430         /* Write out tag+length */
 431         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
 432         /* Write out contents */
 433         a2d_ASN1_OBJECT(p,i,s,-1);
 434
 435         p=buf;
 436         op=d2i_ASN1_OBJECT(NULL,&p,i);
 437         Free(buf);
 438         return op;
 439         }
 440
 441 int OBJ_txt2nid(s)
 442 char *s;
 443 {
 444         ASN1_OBJECT *obj;
 445         int nid;
 446         obj = OBJ_txt2obj(s, 0);
 447         nid = OBJ_obj2nid(obj);
 448         ASN1_OBJECT_free(obj);
 449         return nid;
 450 }
 451
 452 int OBJ_ln2nid(s)
 453 char *s;
 454         {
 455         ASN1_OBJECT o,*oo= &o,**op;
 456         ADDED_OBJ ad,*adp;
 457
 458         o.ln=s;
 459         if (added != NULL)
 460                 {
 461                 ad.type=ADDED_LNAME;
 462                 ad.obj= &o;
 463                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 464                 if (adp != NULL) return (adp->obj->nid);
 465                 }
 466         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs,NUM_LN,
 467                 sizeof(ASN1_OBJECT *),(int (*)())ln_cmp);
 468         if (op == NULL) return(NID_undef);
 469         return((*op)->nid);
 470         }
 471
 472 int OBJ_sn2nid(s)
 473 char *s;
 474         {
 475         ASN1_OBJECT o,*oo= &o,**op;
 476         ADDED_OBJ ad,*adp;
 477
 478         o.sn=s;
 479         if (added != NULL)
 480                 {
 481                 ad.type=ADDED_SNAME;
 482                 ad.obj= &o;
 483                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 484                 if (adp != NULL) return (adp->obj->nid);
 485                 }
 486         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
 487                 sizeof(ASN1_OBJECT *),(int (*)())sn_cmp);
 488         if (op == NULL) return(NID_undef);
 489         return((*op)->nid);
 490         }
 491
 492 static int obj_cmp(ap, bp)
 493 ASN1_OBJECT **ap;
 494 ASN1_OBJECT **bp;
 495         {
 496         int j;
 497         ASN1_OBJECT *a= *ap;
 498         ASN1_OBJECT *b= *bp;
 499
 500         j=(a->length - b->length);
 501         if (j) return(j);
 502         return(memcmp(a->data,b->data,a->length));
 503         }
 504
 505 char *OBJ_bsearch(key,base,num,size,cmp)
 506 char *key;
 507 char *base;
 508 int num;
 509 int size;
 510 int (*cmp)();
 511         {
 512         int l,h,i,c;
 513         char *p;
 514
 515         if (num == 0) return(NULL);
 516         l=0;
 517         h=num;
 518         while (l < h)
 519                 {
 520                 i=(l+h)/2;
 521                 p= &(base[i*size]);
 522                 c=(*cmp)(key,p);
 523                 if (c < 0)
 524                         h=i;
 525                 else if (c > 0)
 526                         l=i+1;
 527                 else
 528                         return(p);
 529                 }
 530         return(NULL);
 531         }
 532
 533 int OBJ_create_objects(in)
 534 BIO *in;
 535         {
 536         MS_STATIC char buf[512];
 537         int i,num=0;
 538         char *o,*s,*l=NULL;
 539
 540         for (;;)
 541                 {
 542                 s=o=NULL;
 543                 i=BIO_gets(in,buf,512);
 544                 if (i <= 0) return(num);
 545                 buf[i-1]='\0';
 546                 if (!isalnum(buf[0])) return(num);
 547                 o=s=buf;
 548                 while (isdigit(*s) || (*s == '.'))
 549                         s++;
 550                 if (*s != '\0')
 551                         {
 552                         *(s++)='\0';
 553                         while (isspace(*s))
 554                                 s++;
 555                         if (*s == '\0')
 556                                 s=NULL;
 557                         else
 558                                 {
 559                                 l=s;
 560                                 while ((*l != '\0') && !isspace(*l))
 561                                         l++;
 562                                 if (*l != '\0')
 563                                         {
 564                                         *(l++)='\0';
 565                                         while (isspace(*l))
 566                                                 l++;
 567                                         if (*l == '\0') l=NULL;
 568                                         }
 569                                 else
 570                                         l=NULL;
 571                                 }
 572                         }
 573                 else
 574                         s=NULL;
 575                 if ((o == NULL) || (*o == '\0')) return(num);
 576                 if (!OBJ_create(o,s,l)) return(num);
 577                 num++;
 578                 }
 579         /* return(num); */
 580         }
 581
 582 int OBJ_create(oid,sn,ln)
 583 char *oid;
 584 char *sn;
 585 char *ln;
 586         {
 587         int ok=0;
 588         ASN1_OBJECT *op=NULL;
 589         unsigned char *buf;
 590         int i;
 591
 592         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
 593         if (i <= 0) return(0);
 594
 595         if ((buf=(unsigned char *)Malloc(i)) == NULL)
 596                 {
 597                 OBJerr(OBJ_F_OBJ_CREATE,OBJ_R_MALLOC_FAILURE);
 598                 return(0);
 599                 }
 600         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
 601         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
 602         if (op == NULL)
 603                 goto err;
 604         ok=OBJ_add_object(op);
 605 err:
 606         ASN1_OBJECT_free(op);
 607         Free((char *)buf);
 608         return(ok);
 609         }
 610