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