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 "cryptlib.h"
  62 #include <openssl/lhash.h>
  63 #include <openssl/asn1.h>
  64 #include <openssl/objects.h>
  65
  66 /* obj_dat.h is generated from objects.h by obj_dat.pl */
  67 #ifndef OPENSSL_NO_OBJECT
  68 #include "obj_dat.h"
  69 #else
  70 /* You will have to load all the objects needed manually in the application */
  71 #define NUM_NID 0
  72 #define NUM_SN 0
  73 #define NUM_LN 0
  74 #define NUM_OBJ 0
  75 static unsigned char lvalues[1];
  76 static ASN1_OBJECT nid_objs[1];
  77 static ASN1_OBJECT *sn_objs[1];
  78 static ASN1_OBJECT *ln_objs[1];
  79 static ASN1_OBJECT *obj_objs[1];
  80 #endif
  81
  82 static int sn_cmp(const void *a, const void *b);
  83 static int ln_cmp(const void *a, const void *b);
  84 static int obj_cmp(const void *a, const void *b);
  85 #define ADDED_DATA      0
  86 #define ADDED_SNAME     1
  87 #define ADDED_LNAME     2
  88 #define ADDED_NID       3
  89
  90 typedef struct added_obj_st
  91         {
  92         int type;
  93         ASN1_OBJECT *obj;
  94         } ADDED_OBJ;
  95
  96 static int new_nid=NUM_NID;
  97 static LHASH *added=NULL;
  98
  99 static int sn_cmp(const void *a, const void *b)
 100         {
 101         const ASN1_OBJECT * const *ap = a, * const *bp = b;
 102         return(strcmp((*ap)->sn,(*bp)->sn));
 103         }
 104
 105 static int ln_cmp(const void *a, const void *b)
 106         {
 107         const ASN1_OBJECT * const *ap = a, * const *bp = b;
 108         return(strcmp((*ap)->ln,(*bp)->ln));
 109         }
 110
 111 /* static unsigned long add_hash(ADDED_OBJ *ca) */
 112 static unsigned long add_hash(const void *ca_void)
 113         {
 114         const ASN1_OBJECT *a;
 115         int i;
 116         unsigned long ret=0;
 117         unsigned char *p;
 118         ADDED_OBJ *ca = (ADDED_OBJ *)ca_void;
 119
 120         a=ca->obj;
 121         switch (ca->type)
 122                 {
 123         case ADDED_DATA:
 124                 ret=a->length<<20L;
 125                 p=(unsigned char *)a->data;
 126                 for (i=0; i<a->length; i++)
 127                         ret^=p[i]<<((i*3)%24);
 128                 break;
 129         case ADDED_SNAME:
 130                 ret=lh_strhash(a->sn);
 131                 break;
 132         case ADDED_LNAME:
 133                 ret=lh_strhash(a->ln);
 134                 break;
 135         case ADDED_NID:
 136                 ret=a->nid;
 137                 break;
 138         default:
 139                 /* abort(); */
 140                 return 0;
 141                 }
 142         ret&=0x3fffffffL;
 143         ret|=ca->type<<30L;
 144         return(ret);
 145         }
 146
 147 /* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
 148 static int add_cmp(const void *ca_void, const void *cb_void)
 149         {
 150         ASN1_OBJECT *a,*b;
 151         int i;
 152         ADDED_OBJ *ca = (ADDED_OBJ *)ca_void;
 153         ADDED_OBJ *cb = (ADDED_OBJ *)cb_void;
 154
 155         i=ca->type-cb->type;
 156         if (i) return(i);
 157         a=ca->obj;
 158         b=cb->obj;
 159         switch (ca->type)
 160                 {
 161         case ADDED_DATA:
 162                 i=(a->length - b->length);
 163                 if (i) return(i);
 164                 return(memcmp(a->data,b->data,a->length));
 165         case ADDED_SNAME:
 166                 if (a->sn == NULL) return(-1);
 167                 else if (b->sn == NULL) return(1);
 168                 else return(strcmp(a->sn,b->sn));
 169         case ADDED_LNAME:
 170                 if (a->ln == NULL) return(-1);
 171                 else if (b->ln == NULL) return(1);
 172                 else return(strcmp(a->ln,b->ln));
 173         case ADDED_NID:
 174                 return(a->nid-b->nid);
 175         default:
 176                 /* abort(); */
 177                 return 0;
 178                 }
 179         }
 180
 181 static int init_added(void)
 182         {
 183         if (added != NULL) return(1);
 184         added=lh_new(add_hash,add_cmp);
 185         return(added != NULL);
 186         }
 187
 188 static void cleanup1(ADDED_OBJ *a)
 189         {
 190         a->obj->nid=0;
 191         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
 192                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 193                         ASN1_OBJECT_FLAG_DYNAMIC_DATA;
 194         }
 195
 196 static void cleanup2(ADDED_OBJ *a)
 197         { a->obj->nid++; }
 198
 199 static void cleanup3(ADDED_OBJ *a)
 200         {
 201         if (--a->obj->nid == 0)
 202                 ASN1_OBJECT_free(a->obj);
 203         OPENSSL_free(a);
 204         }
 205
 206 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ *)
 207 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ *)
 208 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ *)
 209
 210 void OBJ_cleanup(void)
 211         {
 212         if (added == NULL) return;
 213         added->down_load=0;
 214         lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
 215         lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
 216         lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
 217         lh_free(added);
 218         added=NULL;
 219         }
 220
 221 int OBJ_new_nid(int num)
 222         {
 223         int i;
 224
 225         i=new_nid;
 226         new_nid+=num;
 227         return(i);
 228         }
 229
 230 int OBJ_add_object(const ASN1_OBJECT *obj)
 231         {
 232         ASN1_OBJECT *o;
 233         ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
 234         int i;
 235
 236         if (added == NULL)
 237                 if (!init_added()) return(0);
 238         if ((o=OBJ_dup(obj)) == NULL) goto err;
 239         ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
 240         if ((o->length != 0) && (obj->data != NULL))
 241                 ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
 242         if (o->sn != NULL)
 243                 ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
 244         if (o->ln != NULL)
 245                 ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
 246
 247         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 248                 {
 249                 if (ao[i] != NULL)
 250                         {
 251                         ao[i]->type=i;
 252                         ao[i]->obj=o;
 253                         aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
 254                         /* memory leak, buit should not normally matter */
 255                         if (aop != NULL)
 256                                 OPENSSL_free(aop);
 257                         }
 258                 }
 259         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
 260                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
 261
 262         return(o->nid);
 263 err:
 264         for (i=ADDED_DATA; i<=ADDED_NID; i++)
 265                 if (ao[i] != NULL) OPENSSL_free(ao[i]);
 266         if (o != NULL) OPENSSL_free(o);
 267         return(NID_undef);
 268         }
 269
 270 ASN1_OBJECT *OBJ_nid2obj(int n)
 271         {
 272         ADDED_OBJ ad,*adp;
 273         ASN1_OBJECT ob;
 274
 275         if ((n >= 0) && (n < NUM_NID))
 276                 {
 277                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 278                         {
 279                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 280                         return(NULL);
 281                         }
 282                 return((ASN1_OBJECT *)&(nid_objs[n]));
 283                 }
 284         else if (added == NULL)
 285                 return(NULL);
 286         else
 287                 {
 288                 ad.type=ADDED_NID;
 289                 ad.obj= &ob;
 290                 ob.nid=n;
 291                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 292                 if (adp != NULL)
 293                         return(adp->obj);
 294                 else
 295                         {
 296                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
 297                         return(NULL);
 298                         }
 299                 }
 300         }
 301
 302 const char *OBJ_nid2sn(int n)
 303         {
 304         ADDED_OBJ ad,*adp;
 305         ASN1_OBJECT ob;
 306
 307         if ((n >= 0) && (n < NUM_NID))
 308                 {
 309                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 310                         {
 311                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 312                         return(NULL);
 313                         }
 314                 return(nid_objs[n].sn);
 315                 }
 316         else if (added == NULL)
 317                 return(NULL);
 318         else
 319                 {
 320                 ad.type=ADDED_NID;
 321                 ad.obj= &ob;
 322                 ob.nid=n;
 323                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 324                 if (adp != NULL)
 325                         return(adp->obj->sn);
 326                 else
 327                         {
 328                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
 329                         return(NULL);
 330                         }
 331                 }
 332         }
 333
 334 const char *OBJ_nid2ln(int n)
 335         {
 336         ADDED_OBJ ad,*adp;
 337         ASN1_OBJECT ob;
 338
 339         if ((n >= 0) && (n < NUM_NID))
 340                 {
 341                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
 342                         {
 343                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 344                         return(NULL);
 345                         }
 346                 return(nid_objs[n].ln);
 347                 }
 348         else if (added == NULL)
 349                 return(NULL);
 350         else
 351                 {
 352                 ad.type=ADDED_NID;
 353                 ad.obj= &ob;
 354                 ob.nid=n;
 355                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 356                 if (adp != NULL)
 357                         return(adp->obj->ln);
 358                 else
 359                         {
 360                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
 361                         return(NULL);
 362                         }
 363                 }
 364         }
 365
 366 int OBJ_obj2nid(const ASN1_OBJECT *a)
 367         {
 368         ASN1_OBJECT **op;
 369         ADDED_OBJ ad,*adp;
 370
 371         if (a == NULL)
 372                 return(NID_undef);
 373         if (a->nid != 0)
 374                 return(a->nid);
 375
 376         if (added != NULL)
 377                 {
 378                 ad.type=ADDED_DATA;
 379                 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
 380                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 381                 if (adp != NULL) return (adp->obj->nid);
 382                 }
 383         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&a,(char *)obj_objs,NUM_OBJ,
 384                 sizeof(ASN1_OBJECT *),obj_cmp);
 385         if (op == NULL)
 386                 return(NID_undef);
 387         return((*op)->nid);
 388         }
 389
 390 /* Convert an object name into an ASN1_OBJECT
 391  * if "noname" is not set then search for short and long names first.
 392  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
 393  * it can be used with any objects, not just registered ones.
 394  */
 395
 396 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
 397         {
 398         int nid = NID_undef;
 399         ASN1_OBJECT *op=NULL;
 400         unsigned char *buf,*p;
 401         int i, j;
 402
 403         if(!no_name) {
 404                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
 405                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
 406                                         return OBJ_nid2obj(nid);
 407         }
 408
 409         /* Work out size of content octets */
 410         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
 411         if (i <= 0) {
 412                 /* Clear the error */
 413                 ERR_get_error();
 414                 return NULL;
 415         }
 416         /* Work out total size */
 417         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
 418
 419         if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
 420
 421         p = buf;
 422         /* Write out tag+length */
 423         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
 424         /* Write out contents */
 425         a2d_ASN1_OBJECT(p,i,s,-1);
 426
 427         p=buf;
 428         op=d2i_ASN1_OBJECT(NULL,&p,i);
 429         OPENSSL_free(buf);
 430         return op;
 431         }
 432
 433 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
 434 {
 435         int i,idx=0,n=0,len,nid;
 436         unsigned long l;
 437         unsigned char *p;
 438         const char *s;
 439         char tbuf[32];
 440
 441         if (buf_len <= 0) return(0);
 442
 443         if ((a == NULL) || (a->data == NULL)) {
 444                 buf[0]='\0';
 445                 return(0);
 446         }
 447
 448         nid=OBJ_obj2nid(a);
 449         if ((nid == NID_undef) || no_name) {
 450                 len=a->length;
 451                 p=a->data;
 452
 453                 idx=0;
 454                 l=0;
 455                 while (idx < a->length) {
 456                         l|=(p[idx]&0x7f);
 457                         if (!(p[idx] & 0x80)) break;
 458                         l<<=7L;
 459                         idx++;
 460                 }
 461                 idx++;
 462                 i=(int)(l/40);
 463                 if (i > 2) i=2;
 464                 l-=(long)(i*40);
 465
 466                 sprintf(tbuf,"%d.%lu",i,l);
 467                 i=strlen(tbuf);
 468                 strncpy(buf,tbuf,buf_len);
 469                 buf_len-=i;
 470                 buf+=i;
 471                 n+=i;
 472
 473                 l=0;
 474                 for (; idx<len; idx++) {
 475                         l|=p[idx]&0x7f;
 476                         if (!(p[idx] & 0x80)) {
 477                                 sprintf(tbuf,".%lu",l);
 478                                 i=strlen(tbuf);
 479                                 if (buf_len > 0)
 480                                         strncpy(buf,tbuf,buf_len);
 481                                 buf_len-=i;
 482                                 buf+=i;
 483                                 n+=i;
 484                                 l=0;
 485                         }
 486                         l<<=7L;
 487                 }
 488         } else {
 489                 s=OBJ_nid2ln(nid);
 490                 if (s == NULL)
 491                         s=OBJ_nid2sn(nid);
 492                 strncpy(buf,s,buf_len);
 493                 n=strlen(s);
 494         }
 495         buf[buf_len-1]='\0';
 496         return(n);
 497 }
 498
 499 int OBJ_txt2nid(const char *s)
 500 {
 501         ASN1_OBJECT *obj;
 502         int nid;
 503         obj = OBJ_txt2obj(s, 0);
 504         nid = OBJ_obj2nid(obj);
 505         ASN1_OBJECT_free(obj);
 506         return nid;
 507 }
 508
 509 int OBJ_ln2nid(const char *s)
 510         {
 511         ASN1_OBJECT o,*oo= &o,**op;
 512         ADDED_OBJ ad,*adp;
 513
 514         o.ln=s;
 515         if (added != NULL)
 516                 {
 517                 ad.type=ADDED_LNAME;
 518                 ad.obj= &o;
 519                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 520                 if (adp != NULL) return (adp->obj->nid);
 521                 }
 522         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs,NUM_LN,
 523                 sizeof(ASN1_OBJECT *),ln_cmp);
 524         if (op == NULL) return(NID_undef);
 525         return((*op)->nid);
 526         }
 527
 528 int OBJ_sn2nid(const char *s)
 529         {
 530         ASN1_OBJECT o,*oo= &o,**op;
 531         ADDED_OBJ ad,*adp;
 532
 533         o.sn=s;
 534         if (added != NULL)
 535                 {
 536                 ad.type=ADDED_SNAME;
 537                 ad.obj= &o;
 538                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
 539                 if (adp != NULL) return (adp->obj->nid);
 540                 }
 541         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
 542                 sizeof(ASN1_OBJECT *),sn_cmp);
 543         if (op == NULL) return(NID_undef);
 544         return((*op)->nid);
 545         }
 546
 547 static int obj_cmp(const void *ap, const void *bp)
 548         {
 549         int j;
 550         ASN1_OBJECT *a= *(ASN1_OBJECT **)ap;
 551         ASN1_OBJECT *b= *(ASN1_OBJECT **)bp;
 552
 553         j=(a->length - b->length);
 554         if (j) return(j);
 555         return(memcmp(a->data,b->data,a->length));
 556         }
 557
 558 const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
 559         int (*cmp)(const void *, const void *))
 560         {
 561         int l,h,i,c;
 562         const char *p;
 563
 564         if (num == 0) return(NULL);
 565         l=0;
 566         h=num;
 567         while (l < h)
 568                 {
 569                 i=(l+h)/2;
 570                 p= &(base[i*size]);
 571                 c=(*cmp)(key,p);
 572                 if (c < 0)
 573                         h=i;
 574                 else if (c > 0)
 575                         l=i+1;
 576                 else
 577                         return(p);
 578                 }
 579 #ifdef CHARSET_EBCDIC
 580 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
 581  * I don't have perl (yet), we revert to a *LINEAR* search
 582  * when the object wasn't found in the binary search.
 583  */
 584         for (i=0; i<num; ++i) {
 585                 p= &(base[i*size]);
 586                 if ((*cmp)(key,p) == 0)
 587                         return p;
 588         }
 589 #endif
 590         return(NULL);
 591         }
 592
 593 int OBJ_create_objects(BIO *in)
 594         {
 595         MS_STATIC char buf[512];
 596         int i,num=0;
 597         char *o,*s,*l=NULL;
 598
 599         for (;;)
 600                 {
 601                 s=o=NULL;
 602                 i=BIO_gets(in,buf,512);
 603                 if (i <= 0) return(num);
 604                 buf[i-1]='\0';
 605                 if (!isalnum((unsigned char)buf[0])) return(num);
 606                 o=s=buf;
 607                 while (isdigit((unsigned char)*s) || (*s == '.'))
 608                         s++;
 609                 if (*s != '\0')
 610                         {
 611                         *(s++)='\0';
 612                         while (isspace((unsigned char)*s))
 613                                 s++;
 614                         if (*s == '\0')
 615                                 s=NULL;
 616                         else
 617                                 {
 618                                 l=s;
 619                                 while ((*l != '\0') && !isspace((unsigned char)*l))
 620                                         l++;
 621                                 if (*l != '\0')
 622                                         {
 623                                         *(l++)='\0';
 624                                         while (isspace((unsigned char)*l))
 625                                                 l++;
 626                                         if (*l == '\0') l=NULL;
 627                                         }
 628                                 else
 629                                         l=NULL;
 630                                 }
 631                         }
 632                 else
 633                         s=NULL;
 634                 if ((o == NULL) || (*o == '\0')) return(num);
 635                 if (!OBJ_create(o,s,l)) return(num);
 636                 num++;
 637                 }
 638         /* return(num); */
 639         }
 640
 641 int OBJ_create(const char *oid, const char *sn, const char *ln)
 642         {
 643         int ok=0;
 644         ASN1_OBJECT *op=NULL;
 645         unsigned char *buf;
 646         int i;
 647
 648         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
 649         if (i <= 0) return(0);
 650
 651         if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
 652                 {
 653                 OBJerr(OBJ_F_OBJ_CREATE,OBJ_R_MALLOC_FAILURE);
 654                 return(0);
 655                 }
 656         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
 657         if (i == 0)
 658                 goto err;
 659         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
 660         if (op == NULL)
 661                 goto err;
 662         ok=OBJ_add_object(op);
 663 err:
 664         ASN1_OBJECT_free(op);
 665         OPENSSL_free(buf);
 666         return(ok);
 667         }
 668