crypto/openssl-0.9/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 <limits.h>
  62 #include "cryptlib.h"
  63 #include <openssl/lhash.h>
  64 #include <openssl/asn1.h>
  65 #include <openssl/objects.h>
  66 #include <openssl/bn.h>
  67
  68 /* obj_dat.h is generated from objects.h by obj_dat.pl */
  69 #ifndef OPENSSL_NO_OBJECT
  70 #include "obj_dat.h"
  71 #else
  72 /* You will have to load all the objects needed manually in the application */
  73 #define NUM_NID 0
  74 #define NUM_SN 0
  75 #define NUM_LN 0
  76 #define NUM_OBJ 0
  77 static unsigned char lvalues[1];
  78 static ASN1_OBJECT nid_objs[1];
  79 static ASN1_OBJECT *sn_objs[1];
  80 static ASN1_OBJECT *ln_objs[1];
  81 static ASN1_OBJECT *obj_objs[1];
  82 #endif
  83
  84 static int sn_cmp(const void *a, const void *b);
  85 static int ln_cmp(const void *a, const void *b);
  86 static int obj_cmp(const void *a, const void *b);
  87 #define ADDED_DATA      0
  88 #define ADDED_SNAME     1
  89 #define ADDED_LNAME     2
  90 #define ADDED_NID       3
  91
  92 typedef struct added_obj_st
  93         {
  94         int type;
  95         ASN1_OBJECT *obj;
  96         } ADDED_OBJ;
  97
  98 static int new_nid=NUM_NID;
  99 static LHASH *added=NULL;
 100
 101 static int sn_cmp(const void *a, const void *b)
 102         {
 103         const ASN1_OBJECT * const *ap = a, * const *bp = b;
 104         return(strcmp((*ap)->sn,(*bp)->sn));
 105         }
 106
 107 static int ln_cmp(const void *a, const void *b)
 108         {
 109         const ASN1_OBJECT * const *ap = a, * const *bp = b;
 110         return(strcmp((*ap)->ln,(*bp)->ln));
 111         }
 112
 113 /* static unsigned long add_hash(ADDED_OBJ *ca) */
 114 static unsigned long add_hash(const void *ca_void)
 115         {
 116         const ASN1_OBJECT *a;
 117         int i;
 118         unsigned long ret=0;
 119         unsigned char *p;
 120         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
 121
 122         a=ca->obj;
 123         switch (ca->type)
 124                 {
 125         case ADDED_DATA:
 126                 ret=a->length<<20L;
 127                 p=(unsigned char *)a->data;
 128                 for (i=0; i<a->length; i++)
 129                         ret^=p[i]<<((i*3)%24);
 130                 break;
 131         case ADDED_SNAME:
 132                 ret=lh_strhash(a->sn);
 133                 break;
 134         case ADDED_LNAME:
 135                 ret=lh_strhash(a->ln);
 136                 break;
 137         case ADDED_NID:
 138                 ret=a->nid;
 139                 break;
 140         default:
 141                 /* abort(); */
 142                 return 0;
 143                 }
 144         ret&=0x3fffffffL;
 145         ret|=ca->type<<30L;
 146         return(ret);
 147         }
 148
 149 /* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
 150 static int add_cmp(const void *ca_void, const void *cb_void)
 151         {
 152         ASN1_OBJECT *a,*b;
 153         int i;
 154         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
 155         const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
 156
 157         i=ca->type-cb->type;
 158         if (i) return(i);
 159         a=ca->obj;
 160         b=cb->obj;
 161         switch (ca->type)
 162                 {
 163         case ADDED_DATA:
 164                 i=(a->length - b->length);
 165                 if (i) return(i);
 166                 return(memcmp(a->data,b->data,(size_t)a->length));
 167         case ADDED_SNAME:
 168                 if (a->sn == NULL) return(-1);
 169                 else if (b->sn == NULL) return(1);
 170                 else return(strcmp(a->sn,b->sn));
 171         case ADDED_LNAME:
 172                 if (a->ln == NULL) return(-1);
 173                 else if (b->ln == NULL) return(1);
 174                 else return(strcmp(a->ln,b->ln));
 175         case ADDED_NID:
 176                 return(a->nid-b->nid);
 177         default:
 178                 /* abort(); */
 179                 return 0;
 180                 }
 181         }
 182
 183 static int init_added(void)
 184         {
 185         if (added != NULL) return(1);
 186         added=lh_new(add_hash,add_cmp);
 187         return(added != NULL);
 188         }
 189
 190 static void cleanup1(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(ADDED_OBJ *a)
 199         { a->obj->nid++; }
 200
 201 static void cleanup3(ADDED_OBJ *a)
 202         {
 203         if (--a->obj->nid == 0)
 204                 ASN1_OBJECT_free(a->obj);
 205         OPENSSL_free(a);
 206         }
 207
 208 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ *)
 209 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ *)
 210 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ *)
 211
 212 void OBJ_cleanup(void)
 213         {
 214         if (added == NULL) return;
 215         added->down_load=0;
 216         lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
 217         lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
 218         lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
 219         lh_free(added);
 220         added=NULL;
 221         }
 222
 223 int OBJ_new_nid(int num)
 224         {
 225         int i;
 226
 227         i=new_nid;
 228         new_nid+=num;
 229         return(i);
 230         }
 231
 232 int OBJ_add_object(const ASN1_OBJECT *obj)
 233         {
 234         ASN1_OBJECT *o;
 235         ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*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         if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 242         if ((o->length != 0) && (obj->data != NULL))
 243                 if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 244         if (o->sn != NULL)
 245                 if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 246         if (o->ln != NULL)
 247                 if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 248
 249         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 250                 {
 251                 if (ao[i] != NULL)
 252                         {
 253                         ao[i]->type=i;
 254                         ao[i]->obj=o;
 255                         aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
 256                         /* memory leak, buit should not normally matter */
 257                         if (aop != NULL)
 258                                 OPENSSL_free(aop);
 259                         }
 260                 }
 261         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 262                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
 263
 264         return(o->nid);
 265 err2:
 266         OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
 267 err:
 268         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 269                 if (ao[i] != NULL) OPENSSL_free(ao[i]);
 270         if (o != NULL) OPENSSL_free(o);
 271         return(NID_undef);
 272         }
 273
 274 ASN1_OBJECT *OBJ_nid2obj(int n)
 275         {
 276         ADDED_OBJ ad,*adp;
 277         ASN1_OBJECT ob;
 278
 279         if ((n >= 0) && (n < NUM_NID))
 280                 {
 281                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 282                         {
 283                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 284                         return(NULL);
 285                         }
 286                 return((ASN1_OBJECT *)&(nid_objs[n]));
 287                 }
 288         else if (added == NULL)
 289                 return(NULL);
 290         else
 291                 {
 292                 ad.type=ADDED_NID;
 293                 ad.obj= &ob;
 294                 ob.nid=n;
 295                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 296                 if (adp != NULL)
 297                         return(adp->obj);
 298                 else
 299                         {
 300                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 301                         return(NULL);
 302                         }
 303                 }
 304         }
 305
 306 const char *OBJ_nid2sn(int n)
 307         {
 308         ADDED_OBJ ad,*adp;
 309         ASN1_OBJECT ob;
 310
 311         if ((n >= 0) && (n < NUM_NID))
 312                 {
 313                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 314                         {
 315                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 316                         return(NULL);
 317                         }
 318                 return(nid_objs[n].sn);
 319                 }
 320         else if (added == NULL)
 321                 return(NULL);
 322         else
 323                 {
 324                 ad.type=ADDED_NID;
 325                 ad.obj= &ob;
 326                 ob.nid=n;
 327                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 328                 if (adp != NULL)
 329                         return(adp->obj->sn);
 330                 else
 331                         {
 332                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 333                         return(NULL);
 334                         }
 335                 }
 336         }
 337
 338 const char *OBJ_nid2ln(int n)
 339         {
 340         ADDED_OBJ ad,*adp;
 341         ASN1_OBJECT ob;
 342
 343         if ((n >= 0) && (n < NUM_NID))
 344                 {
 345                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 346                         {
 347                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 348                         return(NULL);
 349                         }
 350                 return(nid_objs[n].ln);
 351                 }
 352         else if (added == NULL)
 353                 return(NULL);
 354         else
 355                 {
 356                 ad.type=ADDED_NID;
 357                 ad.obj= &ob;
 358                 ob.nid=n;
 359                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 360                 if (adp != NULL)
 361                         return(adp->obj->ln);
 362                 else
 363                         {
 364                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 365                         return(NULL);
 366                         }
 367                 }
 368         }
 369
 370 int OBJ_obj2nid(const ASN1_OBJECT *a)
 371         {
 372         ASN1_OBJECT **op;
 373         ADDED_OBJ ad,*adp;
 374
 375         if (a == NULL)
 376                 return(NID_undef);
 377         if (a->nid != 0)
 378                 return(a->nid);
 379
 380         if (added != NULL)
 381                 {
 382                 ad.type=ADDED_DATA;
 383                 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
 384                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 385                 if (adp != NULL) return (adp->obj->nid);
 386                 }
 387         op=(ASN1_OBJECT **)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
 388                 NUM_OBJ, sizeof(ASN1_OBJECT *),obj_cmp);
 389         if (op == NULL)
 390                 return(NID_undef);
 391         return((*op)->nid);
 392         }
 393
 394 /* Convert an object name into an ASN1_OBJECT
 395  * if "noname" is not set then search for short and long names first.
 396  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
 397  * it can be used with any objects, not just registered ones.
 398  */
 399
 400 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
 401         {
 402         int nid = NID_undef;
 403         ASN1_OBJECT *op=NULL;
 404         unsigned char *buf;
 405         unsigned char *p;
 406         const unsigned char *cp;
 407         int i, j;
 408
 409         if(!no_name) {
 410                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
 411                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
 412                                         return OBJ_nid2obj(nid);
 413         }
 414
 415         /* Work out size of content octets */
 416         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 417         if (i <= 0) {
 418                 /* Don't clear the error */
 419                 /*ERR_clear_error();*/
 420                 return NULL;
 421         }
 422         /* Work out total size */
 423         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
 424
 425         if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
 426
 427         p = buf;
 428         /* Write out tag+length */
 429         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
 430         /* Write out contents */
 431         a2d_ASN1_OBJECT(p,i,s,-1);
 432
 433         cp=buf;
 434         op=d2i_ASN1_OBJECT(NULL,&cp,j);
 435         OPENSSL_free(buf);
 436         return op;
 437         }
 438
 439 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
 440 {
 441         int i,n=0,len,nid, first, use_bn;
 442         BIGNUM *bl;
 443         unsigned long l;
 444         unsigned char *p;
 445         char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
 446
 447         if ((a == NULL) || (a->data == NULL)) {
 448                 buf[0]='\0';
 449                 return(0);
 450         }
 451
 452
 453         if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
 454                 {
 455                 const char *s;
 456                 s=OBJ_nid2ln(nid);
 457                 if (s == NULL)
 458                         s=OBJ_nid2sn(nid);
 459                 if (buf)
 460                         BUF_strlcpy(buf,s,buf_len);
 461                 n=strlen(s);
 462                 return n;
 463                 }
 464
 465
 466         len=a->length;
 467         p=a->data;
 468
 469         first = 1;
 470         bl = NULL;
 471
 472         while (len > 0)
 473                 {
 474                 l=0;
 475                 use_bn = 0;
 476                 for (;;)
 477                         {
 478                         unsigned char c = *p++;
 479                         len--;
 480                         if ((len == 0) && (c & 0x80))
 481                                 goto err;
 482                         if (use_bn)
 483                                 {
 484                                 if (!BN_add_word(bl, c & 0x7f))
 485                                         goto err;
 486                                 }
 487                         else
 488                                 l |= c  & 0x7f;
 489                         if (!(c & 0x80))
 490                                 break;
 491                         if (!use_bn && (l > (ULONG_MAX >> 7L)))
 492                                 {
 493                                 if (!bl && !(bl = BN_new()))
 494                                         goto err;
 495                                 if (!BN_set_word(bl, l))
 496                                         goto err;
 497                                 use_bn = 1;
 498                                 }
 499                         if (use_bn)
 500                                 {
 501                                 if (!BN_lshift(bl, bl, 7))
 502                                         goto err;
 503                                 }
 504                         else
 505                                 l<<=7L;
 506                         }
 507
 508                 if (first)
 509                         {
 510                         first = 0;
 511                         if (l >= 80)
 512                                 {
 513                                 i = 2;
 514                                 if (use_bn)
 515                                         {
 516                                         if (!BN_sub_word(bl, 80))
 517                                                 goto err;
 518                                         }
 519                                 else
 520                                         l -= 80;
 521                                 }
 522                         else
 523                                 {
 524                                 i=(int)(l/40);
 525                                 l-=(long)(i*40);
 526                                 }
 527                         if (buf && (buf_len > 0))
 528                                 {
 529                                 *buf++ = i + '0';
 530                                 buf_len--;
 531                                 }
 532                         n++;
 533                         }
 534
 535                 if (use_bn)
 536                         {
 537                         char *bndec;
 538                         bndec = BN_bn2dec(bl);
 539                         if (!bndec)
 540                                 goto err;
 541                         i = strlen(bndec);
 542                         if (buf)
 543                                 {
 544                                 if (buf_len > 0)
 545                                         {
 546                                         *buf++ = '.';
 547                                         buf_len--;
 548                                         }
 549                                 BUF_strlcpy(buf,bndec,buf_len);
 550                                 if (i > buf_len)
 551                                         {
 552                                         buf += buf_len;
 553                                         buf_len = 0;
 554                                         }
 555                                 else
 556                                         {
 557                                         buf+=i;
 558                                         buf_len-=i;
 559                                         }
 560                                 }
 561                         n++;
 562                         n += i;
 563                         OPENSSL_free(bndec);
 564                         }
 565                 else
 566                         {
 567                         BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
 568                         i=strlen(tbuf);
 569                         if (buf && (buf_len > 0))
 570                                 {
 571                                 BUF_strlcpy(buf,tbuf,buf_len);
 572                                 if (i > buf_len)
 573                                         {
 574                                         buf += buf_len;
 575                                         buf_len = 0;
 576                                         }
 577                                 else
 578                                         {
 579                                         buf+=i;
 580                                         buf_len-=i;
 581                                         }
 582                                 }
 583                         n+=i;
 584                         l=0;
 585                         }
 586                 }
 587
 588         if (bl)
 589                 BN_free(bl);
 590         return n;
 591
 592         err:
 593         if (bl)
 594                 BN_free(bl);
 595         return -1;
 596 }
 597
 598 int OBJ_txt2nid(const char *s)
 599 {
 600         ASN1_OBJECT *obj;
 601         int nid;
 602         obj = OBJ_txt2obj(s, 0);
 603         nid = OBJ_obj2nid(obj);
 604         ASN1_OBJECT_free(obj);
 605         return nid;
 606 }
 607
 608 int OBJ_ln2nid(const char *s)
 609         {
 610         ASN1_OBJECT o,*oo= &o,**op;
 611         ADDED_OBJ ad,*adp;
 612
 613         o.ln=s;
 614         if (added != NULL)
 615                 {
 616                 ad.type=ADDED_LNAME;
 617                 ad.obj= &o;
 618                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 619                 if (adp != NULL) return (adp->obj->nid);
 620                 }
 621         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
 622                 sizeof(ASN1_OBJECT *),ln_cmp);
 623         if (op == NULL) return(NID_undef);
 624         return((*op)->nid);
 625         }
 626
 627 int OBJ_sn2nid(const char *s)
 628         {
 629         ASN1_OBJECT o,*oo= &o,**op;
 630         ADDED_OBJ ad,*adp;
 631
 632         o.sn=s;
 633         if (added != NULL)
 634                 {
 635                 ad.type=ADDED_SNAME;
 636                 ad.obj= &o;
 637                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 638                 if (adp != NULL) return (adp->obj->nid);
 639                 }
 640         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
 641                 sizeof(ASN1_OBJECT *),sn_cmp);
 642         if (op == NULL) return(NID_undef);
 643         return((*op)->nid);
 644         }
 645
 646 static int obj_cmp(const void *ap, const void *bp)
 647         {
 648         int j;
 649         const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
 650         const ASN1_OBJECT *b= *(ASN1_OBJECT * const *)bp;
 651
 652         j=(a->length - b->length);
 653         if (j) return(j);
 654         return(memcmp(a->data,b->data,a->length));
 655         }
 656
 657 const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
 658         int (*cmp)(const void *, const void *))
 659         {
 660         return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
 661         }
 662
 663 const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
 664         int size, int (*cmp)(const void *, const void *), int flags)
 665         {
 666         int l,h,i=0,c=0;
 667         const char *p = NULL;
 668
 669         if (num == 0) return(NULL);
 670         l=0;
 671         h=num;
 672         while (l < h)
 673                 {
 674                 i=(l+h)/2;
 675                 p= &(base[i*size]);
 676                 c=(*cmp)(key,p);
 677                 if (c < 0)
 678                         h=i;
 679                 else if (c > 0)
 680                         l=i+1;
 681                 else
 682                         break;
 683                 }
 684 #ifdef CHARSET_EBCDIC
 685 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
 686  * I don't have perl (yet), we revert to a *LINEAR* search
 687  * when the object wasn't found in the binary search.
 688  */
 689         if (c != 0)
 690                 {
 691                 for (i=0; i<num; ++i)
 692                         {
 693                         p= &(base[i*size]);
 694                         c = (*cmp)(key,p);
 695                         if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
 696                                 return p;
 697                         }
 698                 }
 699 #endif
 700         if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
 701                 p = NULL;
 702         else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
 703                 {
 704                 while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
 705                         i--;
 706                 p = &(base[i*size]);
 707                 }
 708         return(p);
 709         }
 710
 711 int OBJ_create_objects(BIO *in)
 712         {
 713         MS_STATIC char buf[512];
 714         int i,num=0;
 715         char *o,*s,*l=NULL;
 716
 717         for (;;)
 718                 {
 719                 s=o=NULL;
 720                 i=BIO_gets(in,buf,512);
 721                 if (i <= 0) return(num);
 722                 buf[i-1]='\0';
 723                 if (!isalnum((unsigned char)buf[0])) return(num);
 724                 o=s=buf;
 725                 while (isdigit((unsigned char)*s) || (*s == '.'))
 726                         s++;
 727                 if (*s != '\0')
 728                         {
 729                         *(s++)='\0';
 730                         while (isspace((unsigned char)*s))
 731                                 s++;
 732                         if (*s == '\0')
 733                                 s=NULL;
 734                         else
 735                                 {
 736                                 l=s;
 737                                 while ((*l != '\0') && !isspace((unsigned char)*l))
 738                                         l++;
 739                                 if (*l != '\0')
 740                                         {
 741                                         *(l++)='\0';
 742                                         while (isspace((unsigned char)*l))
 743                                                 l++;
 744                                         if (*l == '\0') l=NULL;
 745                                         }
 746                                 else
 747                                         l=NULL;
 748                                 }
 749                         }
 750                 else
 751                         s=NULL;
 752                 if ((o == NULL) || (*o == '\0')) return(num);
 753                 if (!OBJ_create(o,s,l)) return(num);
 754                 num++;
 755                 }
 756         /* return(num); */
 757         }
 758
 759 int OBJ_create(const char *oid, const char *sn, const char *ln)
 760         {
 761         int ok=0;
 762         ASN1_OBJECT *op=NULL;
 763         unsigned char *buf;
 764         int i;
 765
 766         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
 767         if (i <= 0) return(0);
 768
 769         if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
 770                 {
 771                 OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
 772                 return(0);
 773                 }
 774         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
 775         if (i == 0)
 776                 goto err;
 777         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
 778         if (op == NULL)
 779                 goto err;
 780         ok=OBJ_add_object(op);
 781 err:
 782         ASN1_OBJECT_free(op);
 783         OPENSSL_free(buf);
 784         return(ok);
 785         }
 786