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