crypto/openssl/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 unsigned char lvalues[1];
  78 static ASN1_OBJECT nid_objs[1];
  79 static ASN1_OBJECT *sn_objs[1];
  80 static ASN1_OBJECT *ln_objs[1];
  81 static ASN1_OBJECT *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, * const *bp = b;
 104         return(strcmp((*ap)->sn,(*bp)->sn));
 105         }
 106
 107 static int ln_cmp(const void *a, const void *b)
 108         {
 109         const ASN1_OBJECT * const *ap = a, * const *bp = b;
 110         return(strcmp((*ap)->ln,(*bp)->ln));
 111         }
 112
 113 /* static unsigned long add_hash(ADDED_OBJ *ca) */
 114 static unsigned long add_hash(const void *ca_void)
 115         {
 116         const ASN1_OBJECT *a;
 117         int i;
 118         unsigned long ret=0;
 119         unsigned char *p;
 120         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
 121
 122         a=ca->obj;
 123         switch (ca->type)
 124                 {
 125         case ADDED_DATA:
 126                 ret=a->length<<20L;
 127                 p=(unsigned char *)a->data;
 128                 for (i=0; i<a->length; i++)
 129                         ret^=p[i]<<((i*3)%24);
 130                 break;
 131         case ADDED_SNAME:
 132                 ret=lh_strhash(a->sn);
 133                 break;
 134         case ADDED_LNAME:
 135                 ret=lh_strhash(a->ln);
 136                 break;
 137         case ADDED_NID:
 138                 ret=a->nid;
 139                 break;
 140         default:
 141                 /* abort(); */
 142                 return 0;
 143                 }
 144         ret&=0x3fffffffL;
 145         ret|=ca->type<<30L;
 146         return(ret);
 147         }
 148
 149 /* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
 150 static int add_cmp(const void *ca_void, const void *cb_void)
 151         {
 152         ASN1_OBJECT *a,*b;
 153         int i;
 154         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
 155         const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
 156
 157         i=ca->type-cb->type;
 158         if (i) return(i);
 159         a=ca->obj;
 160         b=cb->obj;
 161         switch (ca->type)
 162                 {
 163         case ADDED_DATA:
 164                 i=(a->length - b->length);
 165                 if (i) return(i);
 166                 return(memcmp(a->data,b->data,(size_t)a->length));
 167         case ADDED_SNAME:
 168                 if (a->sn == NULL) return(-1);
 169                 else if (b->sn == NULL) return(1);
 170                 else return(strcmp(a->sn,b->sn));
 171         case ADDED_LNAME:
 172                 if (a->ln == NULL) return(-1);
 173                 else if (b->ln == NULL) return(1);
 174                 else return(strcmp(a->ln,b->ln));
 175         case ADDED_NID:
 176                 return(a->nid-b->nid);
 177         default:
 178                 /* abort(); */
 179                 return 0;
 180                 }
 181         }
 182
 183 static int init_added(void)
 184         {
 185         if (added != NULL) return(1);
 186         added=lh_new(add_hash,add_cmp);
 187         return(added != NULL);
 188         }
 189
 190 static void cleanup1(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(ADDED_OBJ *a)
 199         { a->obj->nid++; }
 200
 201 static void cleanup3(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 void OBJ_cleanup(void)
 213         {
 214         if (added == NULL) return;
 215         added->down_load=0;
 216         lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
 217         lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
 218         lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
 219         lh_free(added);
 220         added=NULL;
 221         }
 222
 223 int OBJ_new_nid(int num)
 224         {
 225         int i;
 226
 227         i=new_nid;
 228         new_nid+=num;
 229         return(i);
 230         }
 231
 232 int OBJ_add_object(const ASN1_OBJECT *obj)
 233         {
 234         ASN1_OBJECT *o;
 235         ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
 236         int i;
 237
 238         if (added == NULL)
 239                 if (!init_added()) return(0);
 240         if ((o=OBJ_dup(obj)) == NULL) goto err;
 241         if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 242         if ((o->length != 0) && (obj->data != NULL))
 243                 if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 244         if (o->sn != NULL)
 245                 if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 246         if (o->ln != NULL)
 247                 if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
 248
 249         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 250                 {
 251                 if (ao[i] != NULL)
 252                         {
 253                         ao[i]->type=i;
 254                         ao[i]->obj=o;
 255                         aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
 256                         /* memory leak, buit should not normally matter */
 257                         if (aop != NULL)
 258                                 OPENSSL_free(aop);
 259                         }
 260                 }
 261         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 262                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
 263
 264         return(o->nid);
 265 err2:
 266         OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
 267 err:
 268         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 269                 if (ao[i] != NULL) OPENSSL_free(ao[i]);
 270         if (o != NULL) OPENSSL_free(o);
 271         return(NID_undef);
 272         }
 273
 274 ASN1_OBJECT *OBJ_nid2obj(int n)
 275         {
 276         ADDED_OBJ ad,*adp;
 277         ASN1_OBJECT ob;
 278
 279         if ((n >= 0) && (n < NUM_NID))
 280                 {
 281                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 282                         {
 283                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 284                         return(NULL);
 285                         }
 286                 return((ASN1_OBJECT *)&(nid_objs[n]));
 287                 }
 288         else if (added == NULL)
 289                 return(NULL);
 290         else
 291                 {
 292                 ad.type=ADDED_NID;
 293                 ad.obj= &ob;
 294                 ob.nid=n;
 295                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 296                 if (adp != NULL)
 297                         return(adp->obj);
 298                 else
 299                         {
 300                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 301                         return(NULL);
 302                         }
 303                 }
 304         }
 305
 306 const char *OBJ_nid2sn(int n)
 307         {
 308         ADDED_OBJ ad,*adp;
 309         ASN1_OBJECT ob;
 310
 311         if ((n >= 0) && (n < NUM_NID))
 312                 {
 313                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 314                         {
 315                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 316                         return(NULL);
 317                         }
 318                 return(nid_objs[n].sn);
 319                 }
 320         else if (added == NULL)
 321                 return(NULL);
 322         else
 323                 {
 324                 ad.type=ADDED_NID;
 325                 ad.obj= &ob;
 326                 ob.nid=n;
 327                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 328                 if (adp != NULL)
 329                         return(adp->obj->sn);
 330                 else
 331                         {
 332                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 333                         return(NULL);
 334                         }
 335                 }
 336         }
 337
 338 const char *OBJ_nid2ln(int n)
 339         {
 340         ADDED_OBJ ad,*adp;
 341         ASN1_OBJECT ob;
 342
 343         if ((n >= 0) && (n < NUM_NID))
 344                 {
 345                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 346                         {
 347                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 348                         return(NULL);
 349                         }
 350                 return(nid_objs[n].ln);
 351                 }
 352         else if (added == NULL)
 353                 return(NULL);
 354         else
 355                 {
 356                 ad.type=ADDED_NID;
 357                 ad.obj= &ob;
 358                 ob.nid=n;
 359                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 360                 if (adp != NULL)
 361                         return(adp->obj->ln);
 362                 else
 363                         {
 364                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 365                         return(NULL);
 366                         }
 367                 }
 368         }
 369
 370 int OBJ_obj2nid(const ASN1_OBJECT *a)
 371         {
 372         ASN1_OBJECT **op;
 373         ADDED_OBJ ad,*adp;
 374
 375         if (a == NULL)
 376                 return(NID_undef);
 377         if (a->nid != 0)
 378                 return(a->nid);
 379
 380         if (added != NULL)
 381                 {
 382                 ad.type=ADDED_DATA;
 383                 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
 384                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 385                 if (adp != NULL) return (adp->obj->nid);
 386                 }
 387         op=(ASN1_OBJECT **)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
 388                 NUM_OBJ, sizeof(ASN1_OBJECT *),obj_cmp);
 389         if (op == NULL)
 390                 return(NID_undef);
 391         return((*op)->nid);
 392         }
 393
 394 /* Convert an object name into an ASN1_OBJECT
 395  * if "noname" is not set then search for short and long names first.
 396  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
 397  * it can be used with any objects, not just registered ones.
 398  */
 399
 400 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
 401         {
 402         int nid = NID_undef;
 403         ASN1_OBJECT *op=NULL;
 404         unsigned char *buf;
 405         unsigned char *p;
 406         const unsigned char *cp;
 407         int i, j;
 408
 409         if(!no_name) {
 410                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
 411                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
 412                                         return OBJ_nid2obj(nid);
 413         }
 414
 415         /* Work out size of content octets */
 416         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 417         if (i <= 0) {
 418                 /* Don't clear the error */
 419                 /*ERR_clear_error();*/
 420                 return NULL;
 421         }
 422         /* Work out total size */
 423         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
 424
 425         if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
 426
 427         p = buf;
 428         /* Write out tag+length */
 429         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
 430         /* Write out contents */
 431         a2d_ASN1_OBJECT(p,i,s,-1);
 432
 433         cp=buf;
 434         op=d2i_ASN1_OBJECT(NULL,&cp,j);
 435         OPENSSL_free(buf);
 436         return op;
 437         }
 438
 439 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
 440 {
 441         int i,n=0,len,nid, first, use_bn;
 442         BIGNUM *bl;
 443         unsigned long l;
 444         unsigned char *p;
 445         char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
 446
 447         /* Ensure that, at every state, |buf| is NUL-terminated. */
 448         if (buf && buf_len > 0)
 449                 buf[0] = '\0';
 450
 451         if ((a == NULL) || (a->data == NULL))
 452                 return(0);
 453
 454         if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
 455                 {
 456                 const char *s;
 457                 s=OBJ_nid2ln(nid);
 458                 if (s == NULL)
 459                         s=OBJ_nid2sn(nid);
 460                 if (s)
 461                         {
 462                         if (buf)
 463                                 BUF_strlcpy(buf,s,buf_len);
 464                         n=strlen(s);
 465                         return n;
 466                         }
 467                 }
 468
 469
 470         len=a->length;
 471         p=a->data;
 472
 473         first = 1;
 474         bl = NULL;
 475
 476         while (len > 0)
 477                 {
 478                 l=0;
 479                 use_bn = 0;
 480                 for (;;)
 481                         {
 482                         unsigned char c = *p++;
 483                         len--;
 484                         if ((len == 0) && (c & 0x80))
 485                                 goto err;
 486                         if (use_bn)
 487                                 {
 488                                 if (!BN_add_word(bl, c & 0x7f))
 489                                         goto err;
 490                                 }
 491                         else
 492                                 l |= c  & 0x7f;
 493                         if (!(c & 0x80))
 494                                 break;
 495                         if (!use_bn && (l > (ULONG_MAX >> 7L)))
 496                                 {
 497                                 if (!bl && !(bl = BN_new()))
 498                                         goto err;
 499                                 if (!BN_set_word(bl, l))
 500                                         goto err;
 501                                 use_bn = 1;
 502                                 }
 503                         if (use_bn)
 504                                 {
 505                                 if (!BN_lshift(bl, bl, 7))
 506                                         goto err;
 507                                 }
 508                         else
 509                                 l<<=7L;
 510                         }
 511
 512                 if (first)
 513                         {
 514                         first = 0;
 515                         if (l >= 80)
 516                                 {
 517                                 i = 2;
 518                                 if (use_bn)
 519                                         {
 520                                         if (!BN_sub_word(bl, 80))
 521                                                 goto err;
 522                                         }
 523                                 else
 524                                         l -= 80;
 525                                 }
 526                         else
 527                                 {
 528                                 i=(int)(l/40);
 529                                 l-=(long)(i*40);
 530                                 }
 531                         if (buf && (buf_len > 1))
 532                                 {
 533                                 *buf++ = i + '0';
 534                                 *buf = '\0';
 535                                 buf_len--;
 536                                 }
 537                         n++;
 538                         }
 539
 540                 if (use_bn)
 541                         {
 542                         char *bndec;
 543                         bndec = BN_bn2dec(bl);
 544                         if (!bndec)
 545                                 goto err;
 546                         i = strlen(bndec);
 547                         if (buf)
 548                                 {
 549                                 if (buf_len > 1)
 550                                         {
 551                                         *buf++ = '.';
 552                                         *buf = '\0';
 553                                         buf_len--;
 554                                         }
 555                                 BUF_strlcpy(buf,bndec,buf_len);
 556                                 if (i > buf_len)
 557                                         {
 558                                         buf += buf_len;
 559                                         buf_len = 0;
 560                                         }
 561                                 else
 562                                         {
 563                                         buf+=i;
 564                                         buf_len-=i;
 565                                         }
 566                                 }
 567                         n++;
 568                         n += i;
 569                         OPENSSL_free(bndec);
 570                         }
 571                 else
 572                         {
 573                         BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
 574                         i=strlen(tbuf);
 575                         if (buf && (buf_len > 0))
 576                                 {
 577                                 BUF_strlcpy(buf,tbuf,buf_len);
 578                                 if (i > buf_len)
 579                                         {
 580                                         buf += buf_len;
 581                                         buf_len = 0;
 582                                         }
 583                                 else
 584                                         {
 585                                         buf+=i;
 586                                         buf_len-=i;
 587                                         }
 588                                 }
 589                         n+=i;
 590                         l=0;
 591                         }
 592                 }
 593
 594         if (bl)
 595                 BN_free(bl);
 596         return n;
 597
 598         err:
 599         if (bl)
 600                 BN_free(bl);
 601         return -1;
 602 }
 603
 604 int OBJ_txt2nid(const char *s)
 605 {
 606         ASN1_OBJECT *obj;
 607         int nid;
 608         obj = OBJ_txt2obj(s, 0);
 609         nid = OBJ_obj2nid(obj);
 610         ASN1_OBJECT_free(obj);
 611         return nid;
 612 }
 613
 614 int OBJ_ln2nid(const char *s)
 615         {
 616         ASN1_OBJECT o,*oo= &o,**op;
 617         ADDED_OBJ ad,*adp;
 618
 619         o.ln=s;
 620         if (added != NULL)
 621                 {
 622                 ad.type=ADDED_LNAME;
 623                 ad.obj= &o;
 624                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 625                 if (adp != NULL) return (adp->obj->nid);
 626                 }
 627         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
 628                 sizeof(ASN1_OBJECT *),ln_cmp);
 629         if (op == NULL) return(NID_undef);
 630         return((*op)->nid);
 631         }
 632
 633 int OBJ_sn2nid(const char *s)
 634         {
 635         ASN1_OBJECT o,*oo= &o,**op;
 636         ADDED_OBJ ad,*adp;
 637
 638         o.sn=s;
 639         if (added != NULL)
 640                 {
 641                 ad.type=ADDED_SNAME;
 642                 ad.obj= &o;
 643                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 644                 if (adp != NULL) return (adp->obj->nid);
 645                 }
 646         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
 647                 sizeof(ASN1_OBJECT *),sn_cmp);
 648         if (op == NULL) return(NID_undef);
 649         return((*op)->nid);
 650         }
 651
 652 static int obj_cmp(const void *ap, const void *bp)
 653         {
 654         int j;
 655         const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
 656         const ASN1_OBJECT *b= *(ASN1_OBJECT * const *)bp;
 657
 658         j=(a->length - b->length);
 659         if (j) return(j);
 660         return(memcmp(a->data,b->data,a->length));
 661         }
 662
 663 const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
 664         int (*cmp)(const void *, const void *))
 665         {
 666         return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
 667         }
 668
 669 const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
 670         int size, int (*cmp)(const void *, const void *), int flags)
 671         {
 672         int l,h,i=0,c=0;
 673         const char *p = NULL;
 674
 675         if (num == 0) return(NULL);
 676         l=0;
 677         h=num;
 678         while (l < h)
 679                 {
 680                 i=(l+h)/2;
 681                 p= &(base[i*size]);
 682                 c=(*cmp)(key,p);
 683                 if (c < 0)
 684                         h=i;
 685                 else if (c > 0)
 686                         l=i+1;
 687                 else
 688                         break;
 689                 }
 690 #ifdef CHARSET_EBCDIC
 691 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
 692  * I don't have perl (yet), we revert to a *LINEAR* search
 693  * when the object wasn't found in the binary search.
 694  */
 695         if (c != 0)
 696                 {
 697                 for (i=0; i<num; ++i)
 698                         {
 699                         p= &(base[i*size]);
 700                         c = (*cmp)(key,p);
 701                         if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
 702                                 return p;
 703                         }
 704                 }
 705 #endif
 706         if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
 707                 p = NULL;
 708         else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
 709                 {
 710                 while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
 711                         i--;
 712                 p = &(base[i*size]);
 713                 }
 714         return(p);
 715         }
 716
 717 int OBJ_create_objects(BIO *in)
 718         {
 719         MS_STATIC char buf[512];
 720         int i,num=0;
 721         char *o,*s,*l=NULL;
 722
 723         for (;;)
 724                 {
 725                 s=o=NULL;
 726                 i=BIO_gets(in,buf,512);
 727                 if (i <= 0) return(num);
 728                 buf[i-1]='\0';
 729                 if (!isalnum((unsigned char)buf[0])) return(num);
 730                 o=s=buf;
 731                 while (isdigit((unsigned char)*s) || (*s == '.'))
 732                         s++;
 733                 if (*s != '\0')
 734                         {
 735                         *(s++)='\0';
 736                         while (isspace((unsigned char)*s))
 737                                 s++;
 738                         if (*s == '\0')
 739                                 s=NULL;
 740                         else
 741                                 {
 742                                 l=s;
 743                                 while ((*l != '\0') && !isspace((unsigned char)*l))
 744                                         l++;
 745                                 if (*l != '\0')
 746                                         {
 747                                         *(l++)='\0';
 748                                         while (isspace((unsigned char)*l))
 749                                                 l++;
 750                                         if (*l == '\0') l=NULL;
 751                                         }
 752                                 else
 753                                         l=NULL;
 754                                 }
 755                         }
 756                 else
 757                         s=NULL;
 758                 if ((o == NULL) || (*o == '\0')) return(num);
 759                 if (!OBJ_create(o,s,l)) return(num);
 760                 num++;
 761                 }
 762         /* return(num); */
 763         }
 764
 765 int OBJ_create(const char *oid, const char *sn, const char *ln)
 766         {
 767         int ok=0;
 768         ASN1_OBJECT *op=NULL;
 769         unsigned char *buf;
 770         int i;
 771
 772         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
 773         if (i <= 0) return(0);
 774
 775         if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
 776                 {
 777                 OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
 778                 return(0);
 779                 }
 780         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
 781         if (i == 0)
 782                 goto err;
 783         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
 784         if (op == NULL)
 785                 goto err;
 786         ok=OBJ_add_object(op);
 787 err:
 788         ASN1_OBJECT_free(op);
 789         OPENSSL_free(buf);
 790         return(ok);
 791         }