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