Since OID NIDs with 0.9.8.
[openssl.git] / crypto / objects / obj_dat.c
1 /* crypto/objects/obj_dat.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58
59 #include <stdio.h>
60 #include <ctype.h>
61 #include <limits.h>
62 #include "cryptlib.h"
63 #include <openssl/lhash.h>
64 #include <openssl/asn1.h>
65 #include <openssl/objects.h>
66 #include <openssl/bn.h>
67
68 /* obj_dat.h is generated from objects.h by obj_dat.pl */
69 #ifndef OPENSSL_NO_OBJECT
70 #include "obj_dat.h"
71 #else
72 /* You will have to load all the objects needed manually in the application */
73 #define NUM_NID 0
74 #define NUM_SN 0
75 #define NUM_LN 0
76 #define NUM_OBJ 0
77 static const unsigned char lvalues[1];
78 static const ASN1_OBJECT nid_objs[1];
79 static const unsigned int sn_objs[1];
80 static const unsigned int ln_objs[1];
81 static const unsigned int obj_objs[1];
82 #endif
83
84 static int sn_cmp(const void *a, const void *b);
85 static int ln_cmp(const void *a, const void *b);
86 static int obj_cmp(const void *a, const void *b);
87 #define ADDED_DATA      0
88 #define ADDED_SNAME     1
89 #define ADDED_LNAME     2
90 #define ADDED_NID       3
91
92 typedef struct added_obj_st
93         {
94         int type;
95         ASN1_OBJECT *obj;
96         } ADDED_OBJ;
97
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;
104         const unsigned int *bp = b;
105         return(strcmp((*ap)->sn,nid_objs[*bp].sn));
106         }
107
108 static int ln_cmp(const void *a, const void *b)
109         { 
110         const ASN1_OBJECT * const *ap = a;
111         const unsigned int *bp = b;
112         return(strcmp((*ap)->ln,nid_objs[*bp].ln));
113         }
114
115 /* static unsigned long add_hash(ADDED_OBJ *ca) */
116 static unsigned long add_hash(const void *ca_void)
117         {
118         const ASN1_OBJECT *a;
119         int i;
120         unsigned long ret=0;
121         unsigned char *p;
122         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
123
124         a=ca->obj;
125         switch (ca->type)
126                 {
127         case ADDED_DATA:
128                 ret=a->length<<20L;
129                 p=(unsigned char *)a->data;
130                 for (i=0; i<a->length; i++)
131                         ret^=p[i]<<((i*3)%24);
132                 break;
133         case ADDED_SNAME:
134                 ret=lh_strhash(a->sn);
135                 break;
136         case ADDED_LNAME:
137                 ret=lh_strhash(a->ln);
138                 break;
139         case ADDED_NID:
140                 ret=a->nid;
141                 break;
142         default:
143                 /* abort(); */
144                 return 0;
145                 }
146         ret&=0x3fffffffL;
147         ret|=ca->type<<30L;
148         return(ret);
149         }
150
151 /* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
152 static int add_cmp(const void *ca_void, const void *cb_void)
153         {
154         ASN1_OBJECT *a,*b;
155         int i;
156         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
157         const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
158
159         i=ca->type-cb->type;
160         if (i) return(i);
161         a=ca->obj;
162         b=cb->obj;
163         switch (ca->type)
164                 {
165         case ADDED_DATA:
166                 i=(a->length - b->length);
167                 if (i) return(i);
168                 return(memcmp(a->data,b->data,(size_t)a->length));
169         case ADDED_SNAME:
170                 if (a->sn == NULL) return(-1);
171                 else if (b->sn == NULL) return(1);
172                 else return(strcmp(a->sn,b->sn));
173         case ADDED_LNAME:
174                 if (a->ln == NULL) return(-1);
175                 else if (b->ln == NULL) return(1);
176                 else return(strcmp(a->ln,b->ln));
177         case ADDED_NID:
178                 return(a->nid-b->nid);
179         default:
180                 /* abort(); */
181                 return 0;
182                 }
183         }
184
185 static int init_added(void)
186         {
187         if (added != NULL) return(1);
188         added=lh_new(add_hash,add_cmp);
189         return(added != NULL);
190         }
191
192 static void cleanup1(ADDED_OBJ *a)
193         {
194         a->obj->nid=0;
195         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
196                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
197                         ASN1_OBJECT_FLAG_DYNAMIC_DATA;
198         }
199
200 static void cleanup2(ADDED_OBJ *a)
201         { a->obj->nid++; }
202
203 static void cleanup3(ADDED_OBJ *a)
204         {
205         if (--a->obj->nid == 0)
206                 ASN1_OBJECT_free(a->obj);
207         OPENSSL_free(a);
208         }
209
210 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ *)
211 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ *)
212 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ *)
213
214 /* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
215  * to use freed up OIDs. If neccessary the actual freeing up of OIDs is
216  * delayed.
217  */
218
219 int obj_cleanup_defer = 0;
220
221 void check_defer(int nid)
222         {
223         if (!obj_cleanup_defer && nid >= NUM_NID)
224                         obj_cleanup_defer = 1;
225         }
226
227 void OBJ_cleanup(void)
228         {
229         if (obj_cleanup_defer)
230                 {
231                 obj_cleanup_defer = 2;
232                 return ;
233                 }
234         if (added == NULL) return;
235         added->down_load=0;
236         lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
237         lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
238         lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
239         lh_free(added);
240         added=NULL;
241         }
242
243 int OBJ_new_nid(int num)
244         {
245         int i;
246
247         i=new_nid;
248         new_nid+=num;
249         return(i);
250         }
251
252 int OBJ_add_object(const ASN1_OBJECT *obj)
253         {
254         ASN1_OBJECT *o;
255         ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
256         int i;
257
258         if (added == NULL)
259                 if (!init_added()) return(0);
260         if ((o=OBJ_dup(obj)) == NULL) goto err;
261         if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
262         if ((o->length != 0) && (obj->data != NULL))
263                 if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
264         if (o->sn != NULL)
265                 if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
266         if (o->ln != NULL)
267                 if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
268
269         for (i=ADDED_DATA; i<=ADDED_NID; i++)
270                 {
271                 if (ao[i] != NULL)
272                         {
273                         ao[i]->type=i;
274                         ao[i]->obj=o;
275                         aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
276                         /* memory leak, buit should not normally matter */
277                         if (aop != NULL)
278                                 OPENSSL_free(aop);
279                         }
280                 }
281         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
282                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
283
284         return(o->nid);
285 err2:
286         OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
287 err:
288         for (i=ADDED_DATA; i<=ADDED_NID; i++)
289                 if (ao[i] != NULL) OPENSSL_free(ao[i]);
290         if (o != NULL) OPENSSL_free(o);
291         return(NID_undef);
292         }
293
294 ASN1_OBJECT *OBJ_nid2obj(int n)
295         {
296         ADDED_OBJ ad,*adp;
297         ASN1_OBJECT ob;
298
299         if ((n >= 0) && (n < NUM_NID))
300                 {
301                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
302                         {
303                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
304                         return(NULL);
305                         }
306                 return((ASN1_OBJECT *)&(nid_objs[n]));
307                 }
308         else if (added == NULL)
309                 return(NULL);
310         else
311                 {
312                 ad.type=ADDED_NID;
313                 ad.obj= &ob;
314                 ob.nid=n;
315                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
316                 if (adp != NULL)
317                         return(adp->obj);
318                 else
319                         {
320                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
321                         return(NULL);
322                         }
323                 }
324         }
325
326 const char *OBJ_nid2sn(int n)
327         {
328         ADDED_OBJ ad,*adp;
329         ASN1_OBJECT ob;
330
331         if ((n >= 0) && (n < NUM_NID))
332                 {
333                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
334                         {
335                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
336                         return(NULL);
337                         }
338                 return(nid_objs[n].sn);
339                 }
340         else if (added == NULL)
341                 return(NULL);
342         else
343                 {
344                 ad.type=ADDED_NID;
345                 ad.obj= &ob;
346                 ob.nid=n;
347                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
348                 if (adp != NULL)
349                         return(adp->obj->sn);
350                 else
351                         {
352                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
353                         return(NULL);
354                         }
355                 }
356         }
357
358 const char *OBJ_nid2ln(int n)
359         {
360         ADDED_OBJ ad,*adp;
361         ASN1_OBJECT ob;
362
363         if ((n >= 0) && (n < NUM_NID))
364                 {
365                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
366                         {
367                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
368                         return(NULL);
369                         }
370                 return(nid_objs[n].ln);
371                 }
372         else if (added == NULL)
373                 return(NULL);
374         else
375                 {
376                 ad.type=ADDED_NID;
377                 ad.obj= &ob;
378                 ob.nid=n;
379                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
380                 if (adp != NULL)
381                         return(adp->obj->ln);
382                 else
383                         {
384                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
385                         return(NULL);
386                         }
387                 }
388         }
389
390 int OBJ_obj2nid(const ASN1_OBJECT *a)
391         {
392         const unsigned int *op;
393         ADDED_OBJ ad,*adp;
394
395         if (a == NULL)
396                 return(NID_undef);
397         if (a->nid != 0)
398                 return(a->nid);
399
400         if (added != NULL)
401                 {
402                 ad.type=ADDED_DATA;
403                 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
404                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
405                 if (adp != NULL) return (adp->obj->nid);
406                 }
407         op=(const unsigned int *)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
408                 NUM_OBJ, sizeof(obj_objs[0]),obj_cmp);
409         if (op == NULL)
410                 return(NID_undef);
411         return(nid_objs[*op].nid);
412         }
413
414 /* Convert an object name into an ASN1_OBJECT
415  * if "noname" is not set then search for short and long names first.
416  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
417  * it can be used with any objects, not just registered ones.
418  */
419
420 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
421         {
422         int nid = NID_undef;
423         ASN1_OBJECT *op=NULL;
424         unsigned char *buf;
425         unsigned char *p;
426         const unsigned char *cp;
427         int i, j;
428
429         if(!no_name) {
430                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
431                         ((nid = OBJ_ln2nid(s)) != NID_undef) ) 
432                                         return OBJ_nid2obj(nid);
433         }
434
435         /* Work out size of content octets */
436         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
437         if (i <= 0) {
438                 /* Don't clear the error */
439                 /*ERR_clear_error();*/
440                 return NULL;
441         }
442         /* Work out total size */
443         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
444
445         if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
446
447         p = buf;
448         /* Write out tag+length */
449         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
450         /* Write out contents */
451         a2d_ASN1_OBJECT(p,i,s,-1);
452
453         cp=buf;
454         op=d2i_ASN1_OBJECT(NULL,&cp,j);
455         OPENSSL_free(buf);
456         return op;
457         }
458
459 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
460 {
461         int i,n=0,len,nid, first, use_bn;
462         BIGNUM *bl;
463         unsigned long l;
464         const unsigned char *p;
465         char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
466
467         if ((a == NULL) || (a->data == NULL)) {
468                 buf[0]='\0';
469                 return(0);
470         }
471
472
473         if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
474                 {
475                 const char *s;
476                 s=OBJ_nid2ln(nid);
477                 if (s == NULL)
478                         s=OBJ_nid2sn(nid);
479                 if (buf)
480                         BUF_strlcpy(buf,s,buf_len);
481                 n=strlen(s);
482                 return n;
483                 }
484
485
486         len=a->length;
487         p=a->data;
488
489         first = 1;
490         bl = NULL;
491
492         while (len > 0)
493                 {
494                 l=0;
495                 use_bn = 0;
496                 for (;;)
497                         {
498                         unsigned char c = *p++;
499                         len--;
500                         if ((len == 0) && (c & 0x80))
501                                 goto err;
502                         if (use_bn)
503                                 {
504                                 if (!BN_add_word(bl, c & 0x7f))
505                                         goto err;
506                                 }
507                         else
508                                 l |= c  & 0x7f;
509                         if (!(c & 0x80))
510                                 break;
511                         if (!use_bn && (l > (ULONG_MAX >> 7L)))
512                                 {
513                                 if (!bl && !(bl = BN_new()))
514                                         goto err;
515                                 if (!BN_set_word(bl, l))
516                                         goto err;
517                                 use_bn = 1;
518                                 }
519                         if (use_bn)
520                                 {
521                                 if (!BN_lshift(bl, bl, 7))
522                                         goto err;
523                                 }
524                         else
525                                 l<<=7L;
526                         }
527
528                 if (first)
529                         {
530                         first = 0;
531                         if (l >= 80)
532                                 {
533                                 i = 2;
534                                 if (use_bn)
535                                         {
536                                         if (!BN_sub_word(bl, 80))
537                                                 goto err;
538                                         }
539                                 else
540                                         l -= 80;
541                                 }
542                         else
543                                 {
544                                 i=(int)(l/40);
545                                 l-=(long)(i*40);
546                                 }
547                         if (buf && (buf_len > 0))
548                                 {
549                                 *buf++ = i + '0';
550                                 buf_len--;
551                                 }
552                         n++;
553                         }
554
555                 if (use_bn)
556                         {
557                         char *bndec;
558                         bndec = BN_bn2dec(bl);
559                         if (!bndec)
560                                 goto err;
561                         i = strlen(bndec);
562                         if (buf)
563                                 {
564                                 if (buf_len > 0)
565                                         {
566                                         *buf++ = '.';
567                                         buf_len--;
568                                         }
569                                 BUF_strlcpy(buf,bndec,buf_len);
570                                 if (i > buf_len)
571                                         {
572                                         buf += buf_len;
573                                         buf_len = 0;
574                                         }
575                                 else
576                                         {
577                                         buf+=i;
578                                         buf_len-=i;
579                                         }
580                                 }
581                         n++;
582                         n += i;
583                         OPENSSL_free(bndec);
584                         }
585                 else
586                         {
587                         BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
588                         i=strlen(tbuf);
589                         if (buf && (buf_len > 0))
590                                 {
591                                 BUF_strlcpy(buf,tbuf,buf_len);
592                                 if (i > buf_len)
593                                         {
594                                         buf += buf_len;
595                                         buf_len = 0;
596                                         }
597                                 else
598                                         {
599                                         buf+=i;
600                                         buf_len-=i;
601                                         }
602                                 }
603                         n+=i;
604                         l=0;
605                         }
606                 }
607
608         if (bl)
609                 BN_free(bl);
610         return n;
611
612         err:
613         if (bl)
614                 BN_free(bl);
615         return -1;
616 }
617
618 int OBJ_txt2nid(const char *s)
619 {
620         ASN1_OBJECT *obj;
621         int nid;
622         obj = OBJ_txt2obj(s, 0);
623         nid = OBJ_obj2nid(obj);
624         ASN1_OBJECT_free(obj);
625         return nid;
626 }
627
628 int OBJ_ln2nid(const char *s)
629         {
630         ASN1_OBJECT o,*oo= &o;
631         ADDED_OBJ ad,*adp;
632         const unsigned int *op;
633
634         o.ln=s;
635         if (added != NULL)
636                 {
637                 ad.type=ADDED_LNAME;
638                 ad.obj= &o;
639                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
640                 if (adp != NULL) return (adp->obj->nid);
641                 }
642         op=(const unsigned int*)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
643                 sizeof(ln_objs[0]),ln_cmp);
644         if (op == NULL) return(NID_undef);
645         return(nid_objs[*op].nid);
646         }
647
648 int OBJ_sn2nid(const char *s)
649         {
650         ASN1_OBJECT o,*oo= &o;
651         ADDED_OBJ ad,*adp;
652         const unsigned int *op;
653
654         o.sn=s;
655         if (added != NULL)
656                 {
657                 ad.type=ADDED_SNAME;
658                 ad.obj= &o;
659                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
660                 if (adp != NULL) return (adp->obj->nid);
661                 }
662         op=(const unsigned int *)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
663                 sizeof(sn_objs[0]),sn_cmp);
664         if (op == NULL) return(NID_undef);
665         return(nid_objs[*op].nid);
666         }
667
668 static int obj_cmp(const void *ap, const void *bp)
669         {
670         int j;
671         const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
672         const ASN1_OBJECT *b= &nid_objs[*((const unsigned int *)bp)];
673
674         j=(a->length - b->length);
675         if (j) return(j);
676         return(memcmp(a->data,b->data,a->length));
677         }
678
679 const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
680         int (*cmp)(const void *, const void *))
681         {
682         return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
683         }
684
685 const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
686         int size, int (*cmp)(const void *, const void *), int flags)
687         {
688         int l,h,i=0,c=0;
689         const char *p = NULL;
690
691         if (num == 0) return(NULL);
692         l=0;
693         h=num;
694         while (l < h)
695                 {
696                 i=(l+h)/2;
697                 p= &(base[i*size]);
698                 c=(*cmp)(key,p);
699                 if (c < 0)
700                         h=i;
701                 else if (c > 0)
702                         l=i+1;
703                 else
704                         break;
705                 }
706 #ifdef CHARSET_EBCDIC
707 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
708  * I don't have perl (yet), we revert to a *LINEAR* search
709  * when the object wasn't found in the binary search.
710  */
711         if (c != 0)
712                 {
713                 for (i=0; i<num; ++i)
714                         {
715                         p= &(base[i*size]);
716                         c = (*cmp)(key,p);
717                         if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
718                                 return p;
719                         }
720                 }
721 #endif
722         if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
723                 p = NULL;
724         else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
725                 {
726                 while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
727                         i--;
728                 p = &(base[i*size]);
729                 }
730         return(p);
731         }
732
733 int OBJ_create_objects(BIO *in)
734         {
735         MS_STATIC char buf[512];
736         int i,num=0;
737         char *o,*s,*l=NULL;
738
739         for (;;)
740                 {
741                 s=o=NULL;
742                 i=BIO_gets(in,buf,512);
743                 if (i <= 0) return(num);
744                 buf[i-1]='\0';
745                 if (!isalnum((unsigned char)buf[0])) return(num);
746                 o=s=buf;
747                 while (isdigit((unsigned char)*s) || (*s == '.'))
748                         s++;
749                 if (*s != '\0')
750                         {
751                         *(s++)='\0';
752                         while (isspace((unsigned char)*s))
753                                 s++;
754                         if (*s == '\0')
755                                 s=NULL;
756                         else
757                                 {
758                                 l=s;
759                                 while ((*l != '\0') && !isspace((unsigned char)*l))
760                                         l++;
761                                 if (*l != '\0')
762                                         {
763                                         *(l++)='\0';
764                                         while (isspace((unsigned char)*l))
765                                                 l++;
766                                         if (*l == '\0') l=NULL;
767                                         }
768                                 else
769                                         l=NULL;
770                                 }
771                         }
772                 else
773                         s=NULL;
774                 if ((o == NULL) || (*o == '\0')) return(num);
775                 if (!OBJ_create(o,s,l)) return(num);
776                 num++;
777                 }
778         /* return(num); */
779         }
780
781 int OBJ_create(const char *oid, const char *sn, const char *ln)
782         {
783         int ok=0;
784         ASN1_OBJECT *op=NULL;
785         unsigned char *buf;
786         int i;
787
788         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
789         if (i <= 0) return(0);
790
791         if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
792                 {
793                 OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
794                 return(0);
795                 }
796         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
797         if (i == 0)
798                 goto err;
799         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
800         if (op == NULL) 
801                 goto err;
802         ok=OBJ_add_object(op);
803 err:
804         ASN1_OBJECT_free(op);
805         OPENSSL_free(buf);
806         return(ok);
807         }
808