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 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;
 104         const unsigned int *bp = b;
 105         return(strcmp((*ap)->sn,nid_objs[*bp].sn));
 106         }
 107
 108 static int ln_cmp(const void *a, const void *b)
 109         {
 110         const ASN1_OBJECT * const *ap = a;
 111         const unsigned int *bp = b;
 112         return(strcmp((*ap)->ln,nid_objs[*bp].ln));
 113         }
 114
 115 /* static unsigned long add_hash(ADDED_OBJ *ca) */
 116 static unsigned long add_hash(const void *ca_void)
 117         {
 118         const ASN1_OBJECT *a;
 119         int i;
 120         unsigned long ret=0;
 121         unsigned char *p;
 122         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
 123
 124         a=ca->obj;
 125         switch (ca->type)
 126                 {
 127         case ADDED_DATA:
 128                 ret=a->length<<20L;
 129                 p=(unsigned char *)a->data;
 130                 for (i=0; i<a->length; i++)
 131                         ret^=p[i]<<((i*3)%24);
 132                 break;
 133         case ADDED_SNAME:
 134                 ret=lh_strhash(a->sn);
 135                 break;
 136         case ADDED_LNAME:
 137                 ret=lh_strhash(a->ln);
 138                 break;
 139         case ADDED_NID:
 140                 ret=a->nid;
 141                 break;
 142         default:
 143                 /* abort(); */
 144                 return 0;
 145                 }
 146         ret&=0x3fffffffL;
 147         ret|=ca->type<<30L;
 148         return(ret);
 149         }
 150
 151 /* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
 152 static int add_cmp(const void *ca_void, const void *cb_void)
 153         {
 154         ASN1_OBJECT *a,*b;
 155         int i;
 156         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
 157         const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
 158
 159         i=ca->type-cb->type;
 160         if (i) return(i);
 161         a=ca->obj;
 162         b=cb->obj;
 163         switch (ca->type)
 164                 {
 165         case ADDED_DATA:
 166                 i=(a->length - b->length);
 167                 if (i) return(i);
 168                 return(memcmp(a->data,b->data,(size_t)a->length));
 169         case ADDED_SNAME:
 170                 if (a->sn == NULL) return(-1);
 171                 else if (b->sn == NULL) return(1);
 172                 else return(strcmp(a->sn,b->sn));
 173         case ADDED_LNAME:
 174                 if (a->ln == NULL) return(-1);
 175                 else if (b->ln == NULL) return(1);
 176                 else return(strcmp(a->ln,b->ln));
 177         case ADDED_NID:
 178                 return(a->nid-b->nid);
 179         default:
 180                 /* abort(); */
 181                 return 0;
 182                 }
 183         }
 184
 185 static int init_added(void)
 186         {
 187         if (added != NULL) return(1);
 188         added=lh_new(add_hash,add_cmp);
 189         return(added != NULL);
 190         }
 191
 192 static void cleanup1(ADDED_OBJ *a)
 193         {
 194         a->obj->nid=0;
 195         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
 196                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 197                         ASN1_OBJECT_FLAG_DYNAMIC_DATA;
 198         }
 199
 200 static void cleanup2(ADDED_OBJ *a)
 201         { a->obj->nid++; }
 202
 203 static void cleanup3(ADDED_OBJ *a)
 204         {
 205         if (--a->obj->nid == 0)
 206                 ASN1_OBJECT_free(a->obj);
 207         OPENSSL_free(a);
 208         }
 209
 210 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ *)
 211 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ *)
 212 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ *)
 213
 214 /* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
 215  * to use freed up OIDs. If neccessary the actual freeing up of OIDs is
 216  * delayed.
 217  */
 218
 219 int obj_cleanup_defer = 0;
 220
 221 void check_defer(int nid)
 222         {
 223         if (!obj_cleanup_defer && nid >= NUM_NID)
 224                         obj_cleanup_defer = 1;
 225         }
 226
 227 void OBJ_cleanup(void)
 228         {
 229         if (obj_cleanup_defer)
 230                 {
 231                 obj_cleanup_defer = 2;
 232                 return ;
 233                 }
 234         if (added == NULL) return;
 235         added->down_load=0;
 236         lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
 237         lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
 238         lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
 239         lh_free(added);
 240         added=NULL;
 241         }
 242
 243 int OBJ_new_nid(int num)
 244         {
 245         int i;
 246
 247         i=new_nid;
 248         new_nid+=num;
 249         return(i);
 250         }
 251
 252 int OBJ_add_object(const ASN1_OBJECT *obj)
 253         {
 254         ASN1_OBJECT *o;
 255         ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
 256         int i;
 257
 258         if (added == NULL)
 259                 if (!init_added()) return(0);
 260         if ((o=OBJ_dup(obj)) == NULL) goto err;
 261         if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 262         if ((o->length != 0) && (obj->data != NULL))
 263                 if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 264         if (o->sn != NULL)
 265                 if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 266         if (o->ln != NULL)
 267                 if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 268
 269         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 270                 {
 271                 if (ao[i] != NULL)
 272                         {
 273                         ao[i]->type=i;
 274                         ao[i]->obj=o;
 275                         aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
 276                         /* memory leak, buit should not normally matter */
 277                         if (aop != NULL)
 278                                 OPENSSL_free(aop);
 279                         }
 280                 }
 281         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 282                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
 283
 284         return(o->nid);
 285 err2:
 286         OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
 287 err:
 288         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 289                 if (ao[i] != NULL) OPENSSL_free(ao[i]);
 290         if (o != NULL) OPENSSL_free(o);
 291         return(NID_undef);
 292         }
 293
 294 ASN1_OBJECT *OBJ_nid2obj(int n)
 295         {
 296         ADDED_OBJ ad,*adp;
 297         ASN1_OBJECT ob;
 298
 299         if ((n >= 0) && (n < NUM_NID))
 300                 {
 301                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 302                         {
 303                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 304                         return(NULL);
 305                         }
 306                 return((ASN1_OBJECT *)&(nid_objs[n]));
 307                 }
 308         else if (added == NULL)
 309                 return(NULL);
 310         else
 311                 {
 312                 ad.type=ADDED_NID;
 313                 ad.obj= &ob;
 314                 ob.nid=n;
 315                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 316                 if (adp != NULL)
 317                         return(adp->obj);
 318                 else
 319                         {
 320                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 321                         return(NULL);
 322                         }
 323                 }
 324         }
 325
 326 const char *OBJ_nid2sn(int n)
 327         {
 328         ADDED_OBJ ad,*adp;
 329         ASN1_OBJECT ob;
 330
 331         if ((n >= 0) && (n < NUM_NID))
 332                 {
 333                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 334                         {
 335                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 336                         return(NULL);
 337                         }
 338                 return(nid_objs[n].sn);
 339                 }
 340         else if (added == NULL)
 341                 return(NULL);
 342         else
 343                 {
 344                 ad.type=ADDED_NID;
 345                 ad.obj= &ob;
 346                 ob.nid=n;
 347                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 348                 if (adp != NULL)
 349                         return(adp->obj->sn);
 350                 else
 351                         {
 352                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 353                         return(NULL);
 354                         }
 355                 }
 356         }
 357
 358 const char *OBJ_nid2ln(int n)
 359         {
 360         ADDED_OBJ ad,*adp;
 361         ASN1_OBJECT ob;
 362
 363         if ((n >= 0) && (n < NUM_NID))
 364                 {
 365                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 366                         {
 367                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 368                         return(NULL);
 369                         }
 370                 return(nid_objs[n].ln);
 371                 }
 372         else if (added == NULL)
 373                 return(NULL);
 374         else
 375                 {
 376                 ad.type=ADDED_NID;
 377                 ad.obj= &ob;
 378                 ob.nid=n;
 379                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 380                 if (adp != NULL)
 381                         return(adp->obj->ln);
 382                 else
 383                         {
 384                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 385                         return(NULL);
 386                         }
 387                 }
 388         }
 389
 390 int OBJ_obj2nid(const ASN1_OBJECT *a)
 391         {
 392         const unsigned int *op;
 393         ADDED_OBJ ad,*adp;
 394
 395         if (a == NULL)
 396                 return(NID_undef);
 397         if (a->nid != 0)
 398                 return(a->nid);
 399
 400         if (added != NULL)
 401                 {
 402                 ad.type=ADDED_DATA;
 403                 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
 404                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 405                 if (adp != NULL) return (adp->obj->nid);
 406                 }
 407         op=(const unsigned int *)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
 408                 NUM_OBJ, sizeof(obj_objs[0]),obj_cmp);
 409         if (op == NULL)
 410                 return(NID_undef);
 411         return(nid_objs[*op].nid);
 412         }
 413
 414 /* Convert an object name into an ASN1_OBJECT
 415  * if "noname" is not set then search for short and long names first.
 416  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
 417  * it can be used with any objects, not just registered ones.
 418  */
 419
 420 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
 421         {
 422         int nid = NID_undef;
 423         ASN1_OBJECT *op=NULL;
 424         unsigned char *buf;
 425         unsigned char *p;
 426         const unsigned char *cp;
 427         int i, j;
 428
 429         if(!no_name) {
 430                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
 431                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
 432                                         return OBJ_nid2obj(nid);
 433         }
 434
 435         /* Work out size of content octets */
 436         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 437         if (i <= 0) {
 438                 /* Don't clear the error */
 439                 /*ERR_clear_error();*/
 440                 return NULL;
 441         }
 442         /* Work out total size */
 443         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
 444
 445         if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
 446
 447         p = buf;
 448         /* Write out tag+length */
 449         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
 450         /* Write out contents */
 451         a2d_ASN1_OBJECT(p,i,s,-1);
 452
 453         cp=buf;
 454         op=d2i_ASN1_OBJECT(NULL,&cp,j);
 455         OPENSSL_free(buf);
 456         return op;
 457         }
 458
 459 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
 460 {
 461         int i,n=0,len,nid, first, use_bn;
 462         BIGNUM *bl;
 463         unsigned long l;
 464         const unsigned char *p;
 465         char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
 466
 467         if ((a == NULL) || (a->data == NULL)) {
 468                 buf[0]='\0';
 469                 return(0);
 470         }
 471
 472
 473         if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
 474                 {
 475                 const char *s;
 476                 s=OBJ_nid2ln(nid);
 477                 if (s == NULL)
 478                         s=OBJ_nid2sn(nid);
 479                 if (buf)
 480                         BUF_strlcpy(buf,s,buf_len);
 481                 n=strlen(s);
 482                 return n;
 483                 }
 484
 485
 486         len=a->length;
 487         p=a->data;
 488
 489         first = 1;
 490         bl = NULL;
 491
 492         while (len > 0)
 493                 {
 494                 l=0;
 495                 use_bn = 0;
 496                 for (;;)
 497                         {
 498                         unsigned char c = *p++;
 499                         len--;
 500                         if ((len == 0) && (c & 0x80))
 501                                 goto err;
 502                         if (use_bn)
 503                                 {
 504                                 if (!BN_add_word(bl, c & 0x7f))
 505                                         goto err;
 506                                 }
 507                         else
 508                                 l |= c  & 0x7f;
 509                         if (!(c & 0x80))
 510                                 break;
 511                         if (!use_bn && (l > (ULONG_MAX >> 7L)))
 512                                 {
 513                                 if (!bl && !(bl = BN_new()))
 514                                         goto err;
 515                                 if (!BN_set_word(bl, l))
 516                                         goto err;
 517                                 use_bn = 1;
 518                                 }
 519                         if (use_bn)
 520                                 {
 521                                 if (!BN_lshift(bl, bl, 7))
 522                                         goto err;
 523                                 }
 524                         else
 525                                 l<<=7L;
 526                         }
 527
 528                 if (first)
 529                         {
 530                         first = 0;
 531                         if (l >= 80)
 532                                 {
 533                                 i = 2;
 534                                 if (use_bn)
 535                                         {
 536                                         if (!BN_sub_word(bl, 80))
 537                                                 goto err;
 538                                         }
 539                                 else
 540                                         l -= 80;
 541                                 }
 542                         else
 543                                 {
 544                                 i=(int)(l/40);
 545                                 l-=(long)(i*40);
 546                                 }
 547                         if (buf && (buf_len > 0))
 548                                 {
 549                                 *buf++ = i + '0';
 550                                 buf_len--;
 551                                 }
 552                         n++;
 553                         }
 554
 555                 if (use_bn)
 556                         {
 557                         char *bndec;
 558                         bndec = BN_bn2dec(bl);
 559                         if (!bndec)
 560                                 goto err;
 561                         i = strlen(bndec);
 562                         if (buf)
 563                                 {
 564                                 if (buf_len > 0)
 565                                         {
 566                                         *buf++ = '.';
 567                                         buf_len--;
 568                                         }
 569                                 BUF_strlcpy(buf,bndec,buf_len);
 570                                 if (i > buf_len)
 571                                         {
 572                                         buf += buf_len;
 573                                         buf_len = 0;
 574                                         }
 575                                 else
 576                                         {
 577                                         buf+=i;
 578                                         buf_len-=i;
 579                                         }
 580                                 }
 581                         n++;
 582                         n += i;
 583                         OPENSSL_free(bndec);
 584                         }
 585                 else
 586                         {
 587                         BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
 588                         i=strlen(tbuf);
 589                         if (buf && (buf_len > 0))
 590                                 {
 591                                 BUF_strlcpy(buf,tbuf,buf_len);
 592                                 if (i > buf_len)
 593                                         {
 594                                         buf += buf_len;
 595                                         buf_len = 0;
 596                                         }
 597                                 else
 598                                         {
 599                                         buf+=i;
 600                                         buf_len-=i;
 601                                         }
 602                                 }
 603                         n+=i;
 604                         l=0;
 605                         }
 606                 }
 607
 608         if (bl)
 609                 BN_free(bl);
 610         return n;
 611
 612         err:
 613         if (bl)
 614                 BN_free(bl);
 615         return -1;
 616 }
 617
 618 int OBJ_txt2nid(const char *s)
 619 {
 620         ASN1_OBJECT *obj;
 621         int nid;
 622         obj = OBJ_txt2obj(s, 0);
 623         nid = OBJ_obj2nid(obj);
 624         ASN1_OBJECT_free(obj);
 625         return nid;
 626 }
 627
 628 int OBJ_ln2nid(const char *s)
 629         {
 630         ASN1_OBJECT o,*oo= &o;
 631         ADDED_OBJ ad,*adp;
 632         const unsigned int *op;
 633
 634         o.ln=s;
 635         if (added != NULL)
 636                 {
 637                 ad.type=ADDED_LNAME;
 638                 ad.obj= &o;
 639                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 640                 if (adp != NULL) return (adp->obj->nid);
 641                 }
 642         op=(const unsigned int*)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
 643                 sizeof(ln_objs[0]),ln_cmp);
 644         if (op == NULL) return(NID_undef);
 645         return(nid_objs[*op].nid);
 646         }
 647
 648 int OBJ_sn2nid(const char *s)
 649         {
 650         ASN1_OBJECT o,*oo= &o;
 651         ADDED_OBJ ad,*adp;
 652         const unsigned int *op;
 653
 654         o.sn=s;
 655         if (added != NULL)
 656                 {
 657                 ad.type=ADDED_SNAME;
 658                 ad.obj= &o;
 659                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 660                 if (adp != NULL) return (adp->obj->nid);
 661                 }
 662         op=(const unsigned int *)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
 663                 sizeof(sn_objs[0]),sn_cmp);
 664         if (op == NULL) return(NID_undef);
 665         return(nid_objs[*op].nid);
 666         }
 667
 668 static int obj_cmp(const void *ap, const void *bp)
 669         {
 670         int j;
 671         const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
 672         const ASN1_OBJECT *b= &nid_objs[*((const unsigned int *)bp)];
 673
 674         j=(a->length - b->length);
 675         if (j) return(j);
 676         return(memcmp(a->data,b->data,a->length));
 677         }
 678
 679 const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
 680         int (*cmp)(const void *, const void *))
 681         {
 682         return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
 683         }
 684
 685 const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
 686         int size, int (*cmp)(const void *, const void *), int flags)
 687         {
 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