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 const unsigned char lvalues[1];
  78 static const ASN1_OBJECT nid_objs[1];
  79 static const unsigned int sn_objs[1];
  80 static const unsigned int ln_objs[1];
  81 static const unsigned int obj_objs[1];
  82 #endif
  83
  84 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, const unsigned int, sn_cmp);
  85 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, const unsigned int, ln_cmp);
  86 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, const unsigned int, obj_cmp);
  87
  88 #define ADDED_DATA      0
  89 #define ADDED_SNAME     1
  90 #define ADDED_LNAME     2
  91 #define ADDED_NID       3
  92
  93 typedef struct added_obj_st
  94         {
  95         int type;
  96         ASN1_OBJECT *obj;
  97         } ADDED_OBJ;
  98 DECLARE_LHASH_OF(ADDED_OBJ);
  99
 100 static int new_nid=NUM_NID;
 101 static LHASH_OF(ADDED_OBJ) *added=NULL;
 102
 103 static int sn_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
 104         { return(strcmp((*a)->sn,nid_objs[*b].sn)); }
 105
 106 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, const unsigned int, sn_cmp)
 107
 108 static int ln_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
 109         { return(strcmp((*a)->ln,nid_objs[*b].ln)); }
 110
 111 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, const unsigned int, ln_cmp)
 112
 113 static unsigned long added_obj_hash(const ADDED_OBJ *ca)
 114         {
 115         const ASN1_OBJECT *a;
 116         int i;
 117         unsigned long ret=0;
 118         unsigned char *p;
 119
 120         a=ca->obj;
 121         switch (ca->type)
 122                 {
 123         case ADDED_DATA:
 124                 ret=a->length<<20L;
 125                 p=(unsigned char *)a->data;
 126                 for (i=0; i<a->length; i++)
 127                         ret^=p[i]<<((i*3)%24);
 128                 break;
 129         case ADDED_SNAME:
 130                 ret=lh_strhash(a->sn);
 131                 break;
 132         case ADDED_LNAME:
 133                 ret=lh_strhash(a->ln);
 134                 break;
 135         case ADDED_NID:
 136                 ret=a->nid;
 137                 break;
 138         default:
 139                 /* abort(); */
 140                 return 0;
 141                 }
 142         ret&=0x3fffffffL;
 143         ret|=ca->type<<30L;
 144         return(ret);
 145         }
 146 static IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ)
 147
 148 static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
 149         {
 150         ASN1_OBJECT *a,*b;
 151         int i;
 152
 153         i=ca->type-cb->type;
 154         if (i) return(i);
 155         a=ca->obj;
 156         b=cb->obj;
 157         switch (ca->type)
 158                 {
 159         case ADDED_DATA:
 160                 i=(a->length - b->length);
 161                 if (i) return(i);
 162                 return(memcmp(a->data,b->data,(size_t)a->length));
 163         case ADDED_SNAME:
 164                 if (a->sn == NULL) return(-1);
 165                 else if (b->sn == NULL) return(1);
 166                 else return(strcmp(a->sn,b->sn));
 167         case ADDED_LNAME:
 168                 if (a->ln == NULL) return(-1);
 169                 else if (b->ln == NULL) return(1);
 170                 else return(strcmp(a->ln,b->ln));
 171         case ADDED_NID:
 172                 return(a->nid-b->nid);
 173         default:
 174                 /* abort(); */
 175                 return 0;
 176                 }
 177         }
 178 static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ)
 179
 180 static int init_added(void)
 181         {
 182         if (added != NULL) return(1);
 183         added=lh_ADDED_OBJ_new();
 184         return(added != NULL);
 185         }
 186
 187 static void cleanup1_doall(ADDED_OBJ *a)
 188         {
 189         a->obj->nid=0;
 190         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
 191                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 192                         ASN1_OBJECT_FLAG_DYNAMIC_DATA;
 193         }
 194
 195 static void cleanup2_doall(ADDED_OBJ *a)
 196         { a->obj->nid++; }
 197
 198 static void cleanup3_doall(ADDED_OBJ *a)
 199         {
 200         if (--a->obj->nid == 0)
 201                 ASN1_OBJECT_free(a->obj);
 202         OPENSSL_free(a);
 203         }
 204
 205 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ)
 206 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ)
 207 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ)
 208
 209 /* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
 210  * to use freed up OIDs. If neccessary the actual freeing up of OIDs is
 211  * delayed.
 212  */
 213
 214 int obj_cleanup_defer = 0;
 215
 216 void check_defer(int nid)
 217         {
 218         if (!obj_cleanup_defer && nid >= NUM_NID)
 219                         obj_cleanup_defer = 1;
 220         }
 221
 222 void OBJ_cleanup(void)
 223         {
 224         if (obj_cleanup_defer)
 225                 {
 226                 obj_cleanup_defer = 2;
 227                 return ;
 228                 }
 229         if (added == NULL) return;
 230         lh_ADDED_OBJ_down_load(added) = 0;
 231         lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
 232         lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
 233         lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
 234         lh_ADDED_OBJ_free(added);
 235         added=NULL;
 236         }
 237
 238 int OBJ_new_nid(int num)
 239         {
 240         int i;
 241
 242         i=new_nid;
 243         new_nid+=num;
 244         return(i);
 245         }
 246
 247 int OBJ_add_object(const ASN1_OBJECT *obj)
 248         {
 249         ASN1_OBJECT *o;
 250         ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
 251         int i;
 252
 253         if (added == NULL)
 254                 if (!init_added()) return(0);
 255         if ((o=OBJ_dup(obj)) == NULL) goto err;
 256         if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 257         if ((o->length != 0) && (obj->data != NULL))
 258                 if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 259         if (o->sn != NULL)
 260                 if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 261         if (o->ln != NULL)
 262                 if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 263
 264         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 265                 {
 266                 if (ao[i] != NULL)
 267                         {
 268                         ao[i]->type=i;
 269                         ao[i]->obj=o;
 270                         aop=lh_ADDED_OBJ_insert(added,ao[i]);
 271                         /* memory leak, buit should not normally matter */
 272                         if (aop != NULL)
 273                                 OPENSSL_free(aop);
 274                         }
 275                 }
 276         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 277                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
 278
 279         return(o->nid);
 280 err2:
 281         OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
 282 err:
 283         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 284                 if (ao[i] != NULL) OPENSSL_free(ao[i]);
 285         if (o != NULL) OPENSSL_free(o);
 286         return(NID_undef);
 287         }
 288
 289 ASN1_OBJECT *OBJ_nid2obj(int n)
 290         {
 291         ADDED_OBJ ad,*adp;
 292         ASN1_OBJECT ob;
 293
 294         if ((n >= 0) && (n < NUM_NID))
 295                 {
 296                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 297                         {
 298                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 299                         return(NULL);
 300                         }
 301                 return((ASN1_OBJECT *)&(nid_objs[n]));
 302                 }
 303         else if (added == NULL)
 304                 return(NULL);
 305         else
 306                 {
 307                 ad.type=ADDED_NID;
 308                 ad.obj= &ob;
 309                 ob.nid=n;
 310                 adp=lh_ADDED_OBJ_retrieve(added,&ad);
 311                 if (adp != NULL)
 312                         return(adp->obj);
 313                 else
 314                         {
 315                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 316                         return(NULL);
 317                         }
 318                 }
 319         }
 320
 321 const char *OBJ_nid2sn(int n)
 322         {
 323         ADDED_OBJ ad,*adp;
 324         ASN1_OBJECT ob;
 325
 326         if ((n >= 0) && (n < NUM_NID))
 327                 {
 328                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 329                         {
 330                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 331                         return(NULL);
 332                         }
 333                 return(nid_objs[n].sn);
 334                 }
 335         else if (added == NULL)
 336                 return(NULL);
 337         else
 338                 {
 339                 ad.type=ADDED_NID;
 340                 ad.obj= &ob;
 341                 ob.nid=n;
 342                 adp=lh_ADDED_OBJ_retrieve(added,&ad);
 343                 if (adp != NULL)
 344                         return(adp->obj->sn);
 345                 else
 346                         {
 347                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 348                         return(NULL);
 349                         }
 350                 }
 351         }
 352
 353 const char *OBJ_nid2ln(int n)
 354         {
 355         ADDED_OBJ ad,*adp;
 356         ASN1_OBJECT ob;
 357
 358         if ((n >= 0) && (n < NUM_NID))
 359                 {
 360                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 361                         {
 362                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 363                         return(NULL);
 364                         }
 365                 return(nid_objs[n].ln);
 366                 }
 367         else if (added == NULL)
 368                 return(NULL);
 369         else
 370                 {
 371                 ad.type=ADDED_NID;
 372                 ad.obj= &ob;
 373                 ob.nid=n;
 374                 adp=lh_ADDED_OBJ_retrieve(added,&ad);
 375                 if (adp != NULL)
 376                         return(adp->obj->ln);
 377                 else
 378                         {
 379                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 380                         return(NULL);
 381                         }
 382                 }
 383         }
 384
 385 static int obj_cmp(const ASN1_OBJECT * const *ap, const unsigned int *bp)
 386         {
 387         int j;
 388         const ASN1_OBJECT *a= *ap;
 389         const ASN1_OBJECT *b= &nid_objs[*bp];
 390
 391         j=(a->length - b->length);
 392         if (j) return(j);
 393         return(memcmp(a->data,b->data,a->length));
 394         }
 395
 396 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, const unsigned int, obj_cmp)
 397
 398 int OBJ_obj2nid(const ASN1_OBJECT *a)
 399         {
 400         const unsigned int *op;
 401         ADDED_OBJ ad,*adp;
 402
 403         if (a == NULL)
 404                 return(NID_undef);
 405         if (a->nid != 0)
 406                 return(a->nid);
 407
 408         if (added != NULL)
 409                 {
 410                 ad.type=ADDED_DATA;
 411                 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
 412                 adp=lh_ADDED_OBJ_retrieve(added,&ad);
 413                 if (adp != NULL) return (adp->obj->nid);
 414                 }
 415         op=OBJ_bsearch(const ASN1_OBJECT *, &a, const unsigned int, obj_objs,
 416                        NUM_OBJ, obj_cmp);
 417         if (op == NULL)
 418                 return(NID_undef);
 419         return(nid_objs[*op].nid);
 420         }
 421
 422 /* Convert an object name into an ASN1_OBJECT
 423  * if "noname" is not set then search for short and long names first.
 424  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
 425  * it can be used with any objects, not just registered ones.
 426  */
 427
 428 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
 429         {
 430         int nid = NID_undef;
 431         ASN1_OBJECT *op=NULL;
 432         unsigned char *buf;
 433         unsigned char *p;
 434         const unsigned char *cp;
 435         int i, j;
 436
 437         if(!no_name) {
 438                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
 439                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
 440                                         return OBJ_nid2obj(nid);
 441         }
 442
 443         /* Work out size of content octets */
 444         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 445         if (i <= 0) {
 446                 /* Don't clear the error */
 447                 /*ERR_clear_error();*/
 448                 return NULL;
 449         }
 450         /* Work out total size */
 451         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
 452
 453         if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
 454
 455         p = buf;
 456         /* Write out tag+length */
 457         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
 458         /* Write out contents */
 459         a2d_ASN1_OBJECT(p,i,s,-1);
 460
 461         cp=buf;
 462         op=d2i_ASN1_OBJECT(NULL,&cp,j);
 463         OPENSSL_free(buf);
 464         return op;
 465         }
 466
 467 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
 468 {
 469         int i,n=0,len,nid, first, use_bn;
 470         BIGNUM *bl;
 471         unsigned long l;
 472         const unsigned char *p;
 473         char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
 474
 475         if ((a == NULL) || (a->data == NULL)) {
 476                 buf[0]='\0';
 477                 return(0);
 478         }
 479
 480
 481         if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
 482                 {
 483                 const char *s;
 484                 s=OBJ_nid2ln(nid);
 485                 if (s == NULL)
 486                         s=OBJ_nid2sn(nid);
 487                 if (buf)
 488                         BUF_strlcpy(buf,s,buf_len);
 489                 n=strlen(s);
 490                 return n;
 491                 }
 492
 493
 494         len=a->length;
 495         p=a->data;
 496
 497         first = 1;
 498         bl = NULL;
 499
 500         while (len > 0)
 501                 {
 502                 l=0;
 503                 use_bn = 0;
 504                 for (;;)
 505                         {
 506                         unsigned char c = *p++;
 507                         len--;
 508                         if ((len == 0) && (c & 0x80))
 509                                 goto err;
 510                         if (use_bn)
 511                                 {
 512                                 if (!BN_add_word(bl, c & 0x7f))
 513                                         goto err;
 514                                 }
 515                         else
 516                                 l |= c  & 0x7f;
 517                         if (!(c & 0x80))
 518                                 break;
 519                         if (!use_bn && (l > (ULONG_MAX >> 7L)))
 520                                 {
 521                                 if (!bl && !(bl = BN_new()))
 522                                         goto err;
 523                                 if (!BN_set_word(bl, l))
 524                                         goto err;
 525                                 use_bn = 1;
 526                                 }
 527                         if (use_bn)
 528                                 {
 529                                 if (!BN_lshift(bl, bl, 7))
 530                                         goto err;
 531                                 }
 532                         else
 533                                 l<<=7L;
 534                         }
 535
 536                 if (first)
 537                         {
 538                         first = 0;
 539                         if (l >= 80)
 540                                 {
 541                                 i = 2;
 542                                 if (use_bn)
 543                                         {
 544                                         if (!BN_sub_word(bl, 80))
 545                                                 goto err;
 546                                         }
 547                                 else
 548                                         l -= 80;
 549                                 }
 550                         else
 551                                 {
 552                                 i=(int)(l/40);
 553                                 l-=(long)(i*40);
 554                                 }
 555                         if (buf && (buf_len > 0))
 556                                 {
 557                                 *buf++ = i + '0';
 558                                 buf_len--;
 559                                 }
 560                         n++;
 561                         }
 562
 563                 if (use_bn)
 564                         {
 565                         char *bndec;
 566                         bndec = BN_bn2dec(bl);
 567                         if (!bndec)
 568                                 goto err;
 569                         i = strlen(bndec);
 570                         if (buf)
 571                                 {
 572                                 if (buf_len > 0)
 573                                         {
 574                                         *buf++ = '.';
 575                                         buf_len--;
 576                                         }
 577                                 BUF_strlcpy(buf,bndec,buf_len);
 578                                 if (i > buf_len)
 579                                         {
 580                                         buf += buf_len;
 581                                         buf_len = 0;
 582                                         }
 583                                 else
 584                                         {
 585                                         buf+=i;
 586                                         buf_len-=i;
 587                                         }
 588                                 }
 589                         n++;
 590                         n += i;
 591                         OPENSSL_free(bndec);
 592                         }
 593                 else
 594                         {
 595                         BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
 596                         i=strlen(tbuf);
 597                         if (buf && (buf_len > 0))
 598                                 {
 599                                 BUF_strlcpy(buf,tbuf,buf_len);
 600                                 if (i > buf_len)
 601                                         {
 602                                         buf += buf_len;
 603                                         buf_len = 0;
 604                                         }
 605                                 else
 606                                         {
 607                                         buf+=i;
 608                                         buf_len-=i;
 609                                         }
 610                                 }
 611                         n+=i;
 612                         l=0;
 613                         }
 614                 }
 615
 616         if (bl)
 617                 BN_free(bl);
 618         return n;
 619
 620         err:
 621         if (bl)
 622                 BN_free(bl);
 623         return -1;
 624 }
 625
 626 int OBJ_txt2nid(const char *s)
 627 {
 628         ASN1_OBJECT *obj;
 629         int nid;
 630         obj = OBJ_txt2obj(s, 0);
 631         nid = OBJ_obj2nid(obj);
 632         ASN1_OBJECT_free(obj);
 633         return nid;
 634 }
 635
 636 int OBJ_ln2nid(const char *s)
 637         {
 638         ASN1_OBJECT o;
 639         const ASN1_OBJECT *oo= &o;
 640         ADDED_OBJ ad,*adp;
 641         const unsigned int *op;
 642
 643         o.ln=s;
 644         if (added != NULL)
 645                 {
 646                 ad.type=ADDED_LNAME;
 647                 ad.obj= &o;
 648                 adp=lh_ADDED_OBJ_retrieve(added,&ad);
 649                 if (adp != NULL) return (adp->obj->nid);
 650                 }
 651         op=OBJ_bsearch(const ASN1_OBJECT *, &oo, const unsigned int, ln_objs,
 652                                    NUM_LN, ln_cmp);
 653         if (op == NULL) return(NID_undef);
 654         return(nid_objs[*op].nid);
 655         }
 656
 657 int OBJ_sn2nid(const char *s)
 658         {
 659         ASN1_OBJECT o;
 660         const ASN1_OBJECT *oo= &o;
 661         ADDED_OBJ ad,*adp;
 662         const unsigned int *op;
 663
 664         o.sn=s;
 665         if (added != NULL)
 666                 {
 667                 ad.type=ADDED_SNAME;
 668                 ad.obj= &o;
 669                 adp=lh_ADDED_OBJ_retrieve(added,&ad);
 670                 if (adp != NULL) return (adp->obj->nid);
 671                 }
 672         op=OBJ_bsearch(const ASN1_OBJECT *, &oo, const unsigned int, sn_objs,
 673                                    NUM_SN, sn_cmp);
 674         if (op == NULL) return(NID_undef);
 675         return(nid_objs[*op].nid);
 676         }
 677
 678 const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
 679                          int (*cmp)(const void *, const void *))
 680         {
 681         return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
 682         }
 683
 684 const void *OBJ_bsearch_ex(const void *key, const void *base_, int num,
 685         int size, int (*cmp)(const void *, const void *), int flags)
 686         {
 687         const char *base=base_;
 688         int l,h,i=0,c=0;
 689         const char *p = NULL;
 690
 691         if (num == 0) return(NULL);
 692         l=0;
 693         h=num;
 694         while (l < h)
 695                 {
 696                 i=(l+h)/2;
 697                 p= &(base[i*size]);
 698                 c=(*cmp)(key,p);
 699                 if (c < 0)
 700                         h=i;
 701                 else if (c > 0)
 702                         l=i+1;
 703                 else
 704                         break;
 705                 }
 706 #ifdef CHARSET_EBCDIC
 707 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
 708  * I don't have perl (yet), we revert to a *LINEAR* search
 709  * when the object wasn't found in the binary search.
 710  */
 711         if (c != 0)
 712                 {
 713                 for (i=0; i<num; ++i)
 714                         {
 715                         p= &(base[i*size]);
 716                         c = (*cmp)(key,p);
 717                         if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
 718                                 return p;
 719                         }
 720                 }
 721 #endif
 722         if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
 723                 p = NULL;
 724         else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
 725                 {
 726                 while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
 727                         i--;
 728                 p = &(base[i*size]);
 729                 }
 730         return(p);
 731         }
 732
 733 int OBJ_create_objects(BIO *in)
 734         {
 735         MS_STATIC char buf[512];
 736         int i,num=0;
 737         char *o,*s,*l=NULL;
 738
 739         for (;;)
 740                 {
 741                 s=o=NULL;
 742                 i=BIO_gets(in,buf,512);
 743                 if (i <= 0) return(num);
 744                 buf[i-1]='\0';
 745                 if (!isalnum((unsigned char)buf[0])) return(num);
 746                 o=s=buf;
 747                 while (isdigit((unsigned char)*s) || (*s == '.'))
 748                         s++;
 749                 if (*s != '\0')
 750                         {
 751                         *(s++)='\0';
 752                         while (isspace((unsigned char)*s))
 753                                 s++;
 754                         if (*s == '\0')
 755                                 s=NULL;
 756                         else
 757                                 {
 758                                 l=s;
 759                                 while ((*l != '\0') && !isspace((unsigned char)*l))
 760                                         l++;
 761                                 if (*l != '\0')
 762                                         {
 763                                         *(l++)='\0';
 764                                         while (isspace((unsigned char)*l))
 765                                                 l++;
 766                                         if (*l == '\0') l=NULL;
 767                                         }
 768                                 else
 769                                         l=NULL;
 770                                 }
 771                         }
 772                 else
 773                         s=NULL;
 774                 if ((o == NULL) || (*o == '\0')) return(num);
 775                 if (!OBJ_create(o,s,l)) return(num);
 776                 num++;
 777                 }
 778         /* return(num); */
 779         }
 780
 781 int OBJ_create(const char *oid, const char *sn, const char *ln)
 782         {
 783         int ok=0;
 784         ASN1_OBJECT *op=NULL;
 785         unsigned char *buf;
 786         int i;
 787
 788         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
 789         if (i <= 0) return(0);
 790
 791         if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
 792                 {
 793                 OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
 794                 return(0);
 795                 }
 796         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
 797         if (i == 0)
 798                 goto err;
 799         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
 800         if (op == NULL)
 801                 goto err;
 802         ok=OBJ_add_object(op);
 803 err:
 804         ASN1_OBJECT_free(op);
 805         OPENSSL_free(buf);
 806         return(ok);
 807         }
 808