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 <openssl/lhash.h>
  63 #include <openssl/asn1.h>
  64 #include <openssl/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 static int sn_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  83 static int ln_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  84 static int obj_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
  85 #define ADDED_DATA      0
  86 #define ADDED_SNAME     1
  87 #define ADDED_LNAME     2
  88 #define ADDED_NID       3
  89
  90 typedef struct added_obj_st
  91         {
  92         int type;
  93         ASN1_OBJECT *obj;
  94         } ADDED_OBJ;
  95
  96 static int new_nid=NUM_NID;
  97 static LHASH *added=NULL;
  98
  99 static int sn_cmp(ASN1_OBJECT **ap, ASN1_OBJECT **bp)
 100         { return(strcmp((*ap)->sn,(*bp)->sn)); }
 101
 102 static int ln_cmp(ASN1_OBJECT **ap, ASN1_OBJECT **bp)
 103         { return(strcmp((*ap)->ln,(*bp)->ln)); }
 104
 105 static unsigned long add_hash(ADDED_OBJ *ca)
 106         {
 107         ASN1_OBJECT *a;
 108         int i;
 109         unsigned long ret=0;
 110         unsigned char *p;
 111
 112         a=ca->obj;
 113         switch (ca->type)
 114                 {
 115         case ADDED_DATA:
 116                 ret=a->length<<20L;
 117                 p=(unsigned char *)a->data;
 118                 for (i=0; i<a->length; i++)
 119                         ret^=p[i]<<((i*3)%24);
 120                 break;
 121         case ADDED_SNAME:
 122                 ret=lh_strhash(a->sn);
 123                 break;
 124         case ADDED_LNAME:
 125                 ret=lh_strhash(a->ln);
 126                 break;
 127         case ADDED_NID:
 128                 ret=a->nid;
 129                 break;
 130         default:
 131                 abort();
 132                 }
 133         ret&=0x3fffffffL;
 134         ret|=ca->type<<30L;
 135         return(ret);
 136         }
 137
 138 static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *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         return(1); /* should not get here */
 167         }
 168
 169 static int init_added(void)
 170         {
 171         if (added != NULL) return(1);
 172         added=lh_new(add_hash,add_cmp);
 173         return(added != NULL);
 174         }
 175
 176 static void cleanup1(ADDED_OBJ *a)
 177         {
 178         a->obj->nid=0;
 179         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
 180                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 181                         ASN1_OBJECT_FLAG_DYNAMIC_DATA;
 182         }
 183
 184 static void cleanup2(ADDED_OBJ *a)
 185         { a->obj->nid++; }
 186
 187 static void cleanup3(ADDED_OBJ *a)
 188         {
 189         if (--a->obj->nid == 0)
 190                 ASN1_OBJECT_free(a->obj);
 191         Free(a);
 192         }
 193
 194 void OBJ_cleanup(void)
 195         {
 196         if (added == NULL) return;
 197         added->down_load=0;
 198         lh_doall(added,cleanup1); /* zero counters */
 199         lh_doall(added,cleanup2); /* set counters */
 200         lh_doall(added,cleanup3); /* free objects */
 201         lh_free(added);
 202         added=NULL;
 203         }
 204
 205 int OBJ_new_nid(int num)
 206         {
 207         int i;
 208
 209         i=new_nid;
 210         new_nid+=num;
 211         return(i);
 212         }
 213
 214 int OBJ_add_object(ASN1_OBJECT *obj)
 215         {
 216         ASN1_OBJECT *o;
 217         ADDED_OBJ *ao[4],*aop;
 218         int i;
 219
 220         if (added == NULL)
 221                 if (!init_added()) return(0);
 222         if ((o=OBJ_dup(obj)) == NULL) goto err;
 223         ao[ADDED_DATA]=NULL;
 224         ao[ADDED_SNAME]=NULL;
 225         ao[ADDED_LNAME]=NULL;
 226         ao[ADDED_NID]=NULL;
 227         ao[ADDED_NID]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 228         if ((o->length != 0) && (obj->data != NULL))
 229                 ao[ADDED_DATA]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 230         if (o->sn != NULL)
 231                 ao[ADDED_SNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 232         if (o->ln != NULL)
 233                 ao[ADDED_LNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
 234
 235         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 236                 {
 237                 if (ao[i] != NULL)
 238                         {
 239                         ao[i]->type=i;
 240                         ao[i]->obj=o;
 241                         aop=(ADDED_OBJ *)lh_insert(added,(char *)ao[i]);
 242                         /* memory leak, buit should not normally matter */
 243                         if (aop != NULL)
 244                                 Free(aop);
 245                         }
 246                 }
 247         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 248                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
 249
 250         return(o->nid);
 251 err:
 252         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 253                 if (ao[i] != NULL) Free(ao[i]);
 254         if (o != NULL) Free(o);
 255         return(NID_undef);
 256         }
 257
 258 ASN1_OBJECT *OBJ_nid2obj(int n)
 259         {
 260         ADDED_OBJ ad,*adp;
 261         ASN1_OBJECT ob;
 262
 263         if ((n >= 0) && (n < NUM_NID))
 264                 {
 265                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 266                         {
 267                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 268                         return(NULL);
 269                         }
 270                 return((ASN1_OBJECT *)&(nid_objs[n]));
 271                 }
 272         else if (added == NULL)
 273                 return(NULL);
 274         else
 275                 {
 276                 ad.type=ADDED_NID;
 277                 ad.obj= &ob;
 278                 ob.nid=n;
 279                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 280                 if (adp != NULL)
 281                         return(adp->obj);
 282                 else
 283                         {
 284                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 285                         return(NULL);
 286                         }
 287                 }
 288         }
 289
 290 const char *OBJ_nid2sn(int n)
 291         {
 292         ADDED_OBJ ad,*adp;
 293         ASN1_OBJECT ob;
 294
 295         if ((n >= 0) && (n < NUM_NID))
 296                 {
 297                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 298                         {
 299                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 300                         return(NULL);
 301                         }
 302                 return(nid_objs[n].sn);
 303                 }
 304         else if (added == NULL)
 305                 return(NULL);
 306         else
 307                 {
 308                 ad.type=ADDED_NID;
 309                 ad.obj= &ob;
 310                 ob.nid=n;
 311                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 312                 if (adp != NULL)
 313                         return(adp->obj->sn);
 314                 else
 315                         {
 316                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 317                         return(NULL);
 318                         }
 319                 }
 320         }
 321
 322 const char *OBJ_nid2ln(int n)
 323         {
 324         ADDED_OBJ ad,*adp;
 325         ASN1_OBJECT ob;
 326
 327         if ((n >= 0) && (n < NUM_NID))
 328                 {
 329                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 330                         {
 331                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 332                         return(NULL);
 333                         }
 334                 return(nid_objs[n].ln);
 335                 }
 336         else if (added == NULL)
 337                 return(NULL);
 338         else
 339                 {
 340                 ad.type=ADDED_NID;
 341                 ad.obj= &ob;
 342                 ob.nid=n;
 343                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 344                 if (adp != NULL)
 345                         return(adp->obj->ln);
 346                 else
 347                         {
 348                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 349                         return(NULL);
 350                         }
 351                 }
 352         }
 353
 354 int OBJ_obj2nid(ASN1_OBJECT *a)
 355         {
 356         ASN1_OBJECT **op;
 357         ADDED_OBJ ad,*adp;
 358
 359         if (a == NULL)
 360                 return(NID_undef);
 361         if (a->nid != 0)
 362                 return(a->nid);
 363
 364         if (added != NULL)
 365                 {
 366                 ad.type=ADDED_DATA;
 367                 ad.obj=a;
 368                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 369                 if (adp != NULL) return (adp->obj->nid);
 370                 }
 371         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&a,(char *)obj_objs,NUM_OBJ,
 372                 sizeof(ASN1_OBJECT *),(int (*)())obj_cmp);
 373         if (op == NULL)
 374                 return(NID_undef);
 375         return((*op)->nid);
 376         }
 377
 378 /* Convert an object name into an ASN1_OBJECT
 379  * if "noname" is not set then search for short and long names first.
 380  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
 381  * it can be used with any objects, not just registered ones.
 382  */
 383
 384 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
 385         {
 386         int nid = NID_undef;
 387         ASN1_OBJECT *op=NULL;
 388         unsigned char *buf,*p;
 389         int i, j;
 390
 391         if(!no_name) {
 392                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
 393                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
 394                                         return OBJ_nid2obj(nid);
 395         }
 396
 397         /* Work out size of content octets */
 398         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 399         if (i <= 0) {
 400                 /* Clear the error */
 401                 ERR_get_error();
 402                 return NULL;
 403         }
 404         /* Work out total size */
 405         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
 406
 407         if((buf=(unsigned char *)Malloc(j)) == NULL) return NULL;
 408
 409         p = buf;
 410         /* Write out tag+length */
 411         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
 412         /* Write out contents */
 413         a2d_ASN1_OBJECT(p,i,s,-1);
 414
 415         p=buf;
 416         op=d2i_ASN1_OBJECT(NULL,&p,i);
 417         Free(buf);
 418         return op;
 419         }
 420
 421 int OBJ_txt2nid(char *s)
 422 {
 423         ASN1_OBJECT *obj;
 424         int nid;
 425         obj = OBJ_txt2obj(s, 0);
 426         nid = OBJ_obj2nid(obj);
 427         ASN1_OBJECT_free(obj);
 428         return nid;
 429 }
 430
 431 int OBJ_ln2nid(const char *s)
 432         {
 433         ASN1_OBJECT o,*oo= &o,**op;
 434         ADDED_OBJ ad,*adp;
 435
 436         o.ln=s;
 437         if (added != NULL)
 438                 {
 439                 ad.type=ADDED_LNAME;
 440                 ad.obj= &o;
 441                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 442                 if (adp != NULL) return (adp->obj->nid);
 443                 }
 444         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs,NUM_LN,
 445                 sizeof(ASN1_OBJECT *),(int (*)())ln_cmp);
 446         if (op == NULL) return(NID_undef);
 447         return((*op)->nid);
 448         }
 449
 450 int OBJ_sn2nid(const char *s)
 451         {
 452         ASN1_OBJECT o,*oo= &o,**op;
 453         ADDED_OBJ ad,*adp;
 454
 455         o.sn=s;
 456         if (added != NULL)
 457                 {
 458                 ad.type=ADDED_SNAME;
 459                 ad.obj= &o;
 460                 adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
 461                 if (adp != NULL) return (adp->obj->nid);
 462                 }
 463         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
 464                 sizeof(ASN1_OBJECT *),(int (*)())sn_cmp);
 465         if (op == NULL) return(NID_undef);
 466         return((*op)->nid);
 467         }
 468
 469 static int obj_cmp(ASN1_OBJECT **ap, ASN1_OBJECT **bp)
 470         {
 471         int j;
 472         ASN1_OBJECT *a= *ap;
 473         ASN1_OBJECT *b= *bp;
 474
 475         j=(a->length - b->length);
 476         if (j) return(j);
 477         return(memcmp(a->data,b->data,a->length));
 478         }
 479
 480 char *OBJ_bsearch(char *key, char *base, int num, int size, int (*cmp)())
 481         {
 482         int l,h,i,c;
 483         char *p;
 484
 485         if (num == 0) return(NULL);
 486         l=0;
 487         h=num;
 488         while (l < h)
 489                 {
 490                 i=(l+h)/2;
 491                 p= &(base[i*size]);
 492                 c=(*cmp)(key,p);
 493                 if (c < 0)
 494                         h=i;
 495                 else if (c > 0)
 496                         l=i+1;
 497                 else
 498                         return(p);
 499                 }
 500         return(NULL);
 501         }
 502
 503 int OBJ_create_objects(BIO *in)
 504         {
 505         MS_STATIC char buf[512];
 506         int i,num=0;
 507         char *o,*s,*l=NULL;
 508
 509         for (;;)
 510                 {
 511                 s=o=NULL;
 512                 i=BIO_gets(in,buf,512);
 513                 if (i <= 0) return(num);
 514                 buf[i-1]='\0';
 515                 if (!isalnum(buf[0])) return(num);
 516                 o=s=buf;
 517                 while (isdigit(*s) || (*s == '.'))
 518                         s++;
 519                 if (*s != '\0')
 520                         {
 521                         *(s++)='\0';
 522                         while (isspace(*s))
 523                                 s++;
 524                         if (*s == '\0')
 525                                 s=NULL;
 526                         else
 527                                 {
 528                                 l=s;
 529                                 while ((*l != '\0') && !isspace(*l))
 530                                         l++;
 531                                 if (*l != '\0')
 532                                         {
 533                                         *(l++)='\0';
 534                                         while (isspace(*l))
 535                                                 l++;
 536                                         if (*l == '\0') l=NULL;
 537                                         }
 538                                 else
 539                                         l=NULL;
 540                                 }
 541                         }
 542                 else
 543                         s=NULL;
 544                 if ((o == NULL) || (*o == '\0')) return(num);
 545                 if (!OBJ_create(o,s,l)) return(num);
 546                 num++;
 547                 }
 548         /* return(num); */
 549         }
 550
 551 int OBJ_create(char *oid, char *sn, char *ln)
 552         {
 553         int ok=0;
 554         ASN1_OBJECT *op=NULL;
 555         unsigned char *buf;
 556         int i;
 557
 558         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
 559         if (i <= 0) return(0);
 560
 561         if ((buf=(unsigned char *)Malloc(i)) == NULL)
 562                 {
 563                 OBJerr(OBJ_F_OBJ_CREATE,OBJ_R_MALLOC_FAILURE);
 564                 return(0);
 565                 }
 566         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
 567         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
 568         if (op == NULL)
 569                 goto err;
 570         ok=OBJ_add_object(op);
 571 err:
 572         ASN1_OBJECT_free(op);
 573         Free((char *)buf);
 574         return(ok);
 575         }
 576