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