Experimental HMAC support via EVP_PKEY_METHOD.
[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
67 /* obj_dat.h is generated from objects.h by obj_dat.pl */
68 #ifndef OPENSSL_NO_OBJECT
69 #include "obj_dat.h"
70 #else
71 /* You will have to load all the objects needed manually in the application */
72 #define NUM_NID 0
73 #define NUM_SN 0
74 #define NUM_LN 0
75 #define NUM_OBJ 0
76 static unsigned char lvalues[1];
77 static ASN1_OBJECT nid_objs[1];
78 static ASN1_OBJECT *sn_objs[1];
79 static ASN1_OBJECT *ln_objs[1];
80 static ASN1_OBJECT *obj_objs[1];
81 #endif
82
83 static int sn_cmp(const void *a, const void *b);
84 static int ln_cmp(const void *a, const void *b);
85 static int obj_cmp(const void *a, const void *b);
86 #define ADDED_DATA      0
87 #define ADDED_SNAME     1
88 #define ADDED_LNAME     2
89 #define ADDED_NID       3
90
91 typedef struct added_obj_st
92         {
93         int type;
94         ASN1_OBJECT *obj;
95         } ADDED_OBJ;
96
97 static int new_nid=NUM_NID;
98 static LHASH *added=NULL;
99
100 static int sn_cmp(const void *a, const void *b)
101         {
102         const ASN1_OBJECT * const *ap = a, * const *bp = b;
103         return(strcmp((*ap)->sn,(*bp)->sn));
104         }
105
106 static int ln_cmp(const void *a, const void *b)
107         { 
108         const ASN1_OBJECT * const *ap = a, * const *bp = b;
109         return(strcmp((*ap)->ln,(*bp)->ln));
110         }
111
112 /* static unsigned long add_hash(ADDED_OBJ *ca) */
113 static unsigned long add_hash(const void *ca_void)
114         {
115         const ASN1_OBJECT *a;
116         int i;
117         unsigned long ret=0;
118         unsigned char *p;
119         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
120
121         a=ca->obj;
122         switch (ca->type)
123                 {
124         case ADDED_DATA:
125                 ret=a->length<<20L;
126                 p=(unsigned char *)a->data;
127                 for (i=0; i<a->length; i++)
128                         ret^=p[i]<<((i*3)%24);
129                 break;
130         case ADDED_SNAME:
131                 ret=lh_strhash(a->sn);
132                 break;
133         case ADDED_LNAME:
134                 ret=lh_strhash(a->ln);
135                 break;
136         case ADDED_NID:
137                 ret=a->nid;
138                 break;
139         default:
140                 /* abort(); */
141                 return 0;
142                 }
143         ret&=0x3fffffffL;
144         ret|=ca->type<<30L;
145         return(ret);
146         }
147
148 /* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
149 static int add_cmp(const void *ca_void, const void *cb_void)
150         {
151         ASN1_OBJECT *a,*b;
152         int i;
153         const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
154         const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
155
156         i=ca->type-cb->type;
157         if (i) return(i);
158         a=ca->obj;
159         b=cb->obj;
160         switch (ca->type)
161                 {
162         case ADDED_DATA:
163                 i=(a->length - b->length);
164                 if (i) return(i);
165                 return(memcmp(a->data,b->data,(size_t)a->length));
166         case ADDED_SNAME:
167                 if (a->sn == NULL) return(-1);
168                 else if (b->sn == NULL) return(1);
169                 else return(strcmp(a->sn,b->sn));
170         case ADDED_LNAME:
171                 if (a->ln == NULL) return(-1);
172                 else if (b->ln == NULL) return(1);
173                 else return(strcmp(a->ln,b->ln));
174         case ADDED_NID:
175                 return(a->nid-b->nid);
176         default:
177                 /* abort(); */
178                 return 0;
179                 }
180         }
181
182 static int init_added(void)
183         {
184         if (added != NULL) return(1);
185         added=lh_new(add_hash,add_cmp);
186         return(added != NULL);
187         }
188
189 static void cleanup1(ADDED_OBJ *a)
190         {
191         a->obj->nid=0;
192         a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
193                         ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
194                         ASN1_OBJECT_FLAG_DYNAMIC_DATA;
195         }
196
197 static void cleanup2(ADDED_OBJ *a)
198         { a->obj->nid++; }
199
200 static void cleanup3(ADDED_OBJ *a)
201         {
202         if (--a->obj->nid == 0)
203                 ASN1_OBJECT_free(a->obj);
204         OPENSSL_free(a);
205         }
206
207 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ *)
208 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ *)
209 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ *)
210
211 /* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
212  * to use freed up OIDs. If neccessary the actual freeing up of OIDs is
213  * delayed.
214  */
215
216 int obj_cleanup_defer = 0;
217
218 void check_defer(int nid)
219         {
220         if (!obj_cleanup_defer && nid >= NUM_NID)
221                         obj_cleanup_defer = 1;
222         }
223
224 void OBJ_cleanup(void)
225         {
226         if (obj_cleanup_defer)
227                 {
228                 obj_cleanup_defer = 2;
229                 return ;
230                 }
231         if (added == NULL) return;
232         added->down_load=0;
233         lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
234         lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
235         lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
236         lh_free(added);
237         added=NULL;
238         }
239
240 int OBJ_new_nid(int num)
241         {
242         int i;
243
244         i=new_nid;
245         new_nid+=num;
246         return(i);
247         }
248
249 int OBJ_add_object(const ASN1_OBJECT *obj)
250         {
251         ASN1_OBJECT *o;
252         ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
253         int i;
254
255         if (added == NULL)
256                 if (!init_added()) return(0);
257         if ((o=OBJ_dup(obj)) == NULL) goto err;
258         if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
259         if ((o->length != 0) && (obj->data != NULL))
260                 if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
261         if (o->sn != NULL)
262                 if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
263         if (o->ln != NULL)
264                 if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
265
266         for (i=ADDED_DATA; i<=ADDED_NID; i++)
267                 {
268                 if (ao[i] != NULL)
269                         {
270                         ao[i]->type=i;
271                         ao[i]->obj=o;
272                         aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
273                         /* memory leak, buit should not normally matter */
274                         if (aop != NULL)
275                                 OPENSSL_free(aop);
276                         }
277                 }
278         o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
279                         ASN1_OBJECT_FLAG_DYNAMIC_DATA);
280
281         return(o->nid);
282 err2:
283         OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
284 err:
285         for (i=ADDED_DATA; i<=ADDED_NID; i++)
286                 if (ao[i] != NULL) OPENSSL_free(ao[i]);
287         if (o != NULL) OPENSSL_free(o);
288         return(NID_undef);
289         }
290
291 ASN1_OBJECT *OBJ_nid2obj(int n)
292         {
293         ADDED_OBJ ad,*adp;
294         ASN1_OBJECT ob;
295
296         if ((n >= 0) && (n < NUM_NID))
297                 {
298                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
299                         {
300                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
301                         return(NULL);
302                         }
303                 return((ASN1_OBJECT *)&(nid_objs[n]));
304                 }
305         else if (added == NULL)
306                 return(NULL);
307         else
308                 {
309                 ad.type=ADDED_NID;
310                 ad.obj= &ob;
311                 ob.nid=n;
312                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
313                 if (adp != NULL)
314                         return(adp->obj);
315                 else
316                         {
317                         OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
318                         return(NULL);
319                         }
320                 }
321         }
322
323 const char *OBJ_nid2sn(int n)
324         {
325         ADDED_OBJ ad,*adp;
326         ASN1_OBJECT ob;
327
328         if ((n >= 0) && (n < NUM_NID))
329                 {
330                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
331                         {
332                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
333                         return(NULL);
334                         }
335                 return(nid_objs[n].sn);
336                 }
337         else if (added == NULL)
338                 return(NULL);
339         else
340                 {
341                 ad.type=ADDED_NID;
342                 ad.obj= &ob;
343                 ob.nid=n;
344                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
345                 if (adp != NULL)
346                         return(adp->obj->sn);
347                 else
348                         {
349                         OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
350                         return(NULL);
351                         }
352                 }
353         }
354
355 const char *OBJ_nid2ln(int n)
356         {
357         ADDED_OBJ ad,*adp;
358         ASN1_OBJECT ob;
359
360         if ((n >= 0) && (n < NUM_NID))
361                 {
362                 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
363                         {
364                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
365                         return(NULL);
366                         }
367                 return(nid_objs[n].ln);
368                 }
369         else if (added == NULL)
370                 return(NULL);
371         else
372                 {
373                 ad.type=ADDED_NID;
374                 ad.obj= &ob;
375                 ob.nid=n;
376                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
377                 if (adp != NULL)
378                         return(adp->obj->ln);
379                 else
380                         {
381                         OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
382                         return(NULL);
383                         }
384                 }
385         }
386
387 int OBJ_obj2nid(const ASN1_OBJECT *a)
388         {
389         ASN1_OBJECT **op;
390         ADDED_OBJ ad,*adp;
391
392         if (a == NULL)
393                 return(NID_undef);
394         if (a->nid != 0)
395                 return(a->nid);
396
397         if (added != NULL)
398                 {
399                 ad.type=ADDED_DATA;
400                 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
401                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
402                 if (adp != NULL) return (adp->obj->nid);
403                 }
404         op=(ASN1_OBJECT **)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
405                 NUM_OBJ, sizeof(ASN1_OBJECT *),obj_cmp);
406         if (op == NULL)
407                 return(NID_undef);
408         return((*op)->nid);
409         }
410
411 /* Convert an object name into an ASN1_OBJECT
412  * if "noname" is not set then search for short and long names first.
413  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
414  * it can be used with any objects, not just registered ones.
415  */
416
417 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
418         {
419         int nid = NID_undef;
420         ASN1_OBJECT *op=NULL;
421         unsigned char *buf;
422         unsigned char *p;
423         const unsigned char *cp;
424         int i, j;
425
426         if(!no_name) {
427                 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
428                         ((nid = OBJ_ln2nid(s)) != NID_undef) ) 
429                                         return OBJ_nid2obj(nid);
430         }
431
432         /* Work out size of content octets */
433         i=a2d_ASN1_OBJECT(NULL,0,s,-1);
434         if (i <= 0) {
435                 /* Don't clear the error */
436                 /*ERR_clear_error();*/
437                 return NULL;
438         }
439         /* Work out total size */
440         j = ASN1_object_size(0,i,V_ASN1_OBJECT);
441
442         if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
443
444         p = buf;
445         /* Write out tag+length */
446         ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
447         /* Write out contents */
448         a2d_ASN1_OBJECT(p,i,s,-1);
449
450         cp=buf;
451         op=d2i_ASN1_OBJECT(NULL,&cp,j);
452         OPENSSL_free(buf);
453         return op;
454         }
455
456 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
457 {
458         int i,n=0,len,nid, first, use_bn;
459         BIGNUM *bl;
460         unsigned long l;
461         unsigned char *p;
462         char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
463
464         if ((a == NULL) || (a->data == NULL)) {
465                 buf[0]='\0';
466                 return(0);
467         }
468
469
470         if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
471                 {
472                 const char *s;
473                 s=OBJ_nid2ln(nid);
474                 if (s == NULL)
475                         s=OBJ_nid2sn(nid);
476                 if (buf)
477                         BUF_strlcpy(buf,s,buf_len);
478                 n=strlen(s);
479                 return n;
480                 }
481
482
483         len=a->length;
484         p=a->data;
485
486         first = 1;
487         bl = NULL;
488
489         while (len > 0)
490                 {
491                 l=0;
492                 use_bn = 0;
493                 for (;;)
494                         {
495                         unsigned char c = *p++;
496                         len--;
497                         if ((len == 0) && (c & 0x80))
498                                 goto err;
499                         if (use_bn)
500                                 {
501                                 if (!BN_add_word(bl, c & 0x7f))
502                                         goto err;
503                                 }
504                         else
505                                 l |= c  & 0x7f;
506                         if (!(c & 0x80))
507                                 break;
508                         if (!use_bn && (l > (ULONG_MAX >> 7L)))
509                                 {
510                                 if (!bl && !(bl = BN_new()))
511                                         goto err;
512                                 if (!BN_set_word(bl, l))
513                                         goto err;
514                                 use_bn = 1;
515                                 }
516                         if (use_bn)
517                                 {
518                                 if (!BN_lshift(bl, bl, 7))
519                                         goto err;
520                                 }
521                         else
522                                 l<<=7L;
523                         }
524
525                 if (first)
526                         {
527                         first = 0;
528                         if (l >= 80)
529                                 {
530                                 i = 2;
531                                 if (use_bn)
532                                         {
533                                         if (!BN_sub_word(bl, 80))
534                                                 goto err;
535                                         }
536                                 else
537                                         l -= 80;
538                                 }
539                         else
540                                 {
541                                 i=(int)(l/40);
542                                 l-=(long)(i*40);
543                                 }
544                         if (buf && (buf_len > 0))
545                                 {
546                                 *buf++ = i + '0';
547                                 buf_len--;
548                                 }
549                         n++;
550                         }
551
552                 if (use_bn)
553                         {
554                         char *bndec;
555                         bndec = BN_bn2dec(bl);
556                         if (!bndec)
557                                 goto err;
558                         i = strlen(bndec);
559                         if (buf)
560                                 {
561                                 if (buf_len > 0)
562                                         {
563                                         *buf++ = '.';
564                                         buf_len--;
565                                         }
566                                 BUF_strlcpy(buf,bndec,buf_len);
567                                 if (i > buf_len)
568                                         {
569                                         buf += buf_len;
570                                         buf_len = 0;
571                                         }
572                                 else
573                                         {
574                                         buf+=i;
575                                         buf_len-=i;
576                                         }
577                                 }
578                         n++;
579                         n += i;
580                         OPENSSL_free(bndec);
581                         }
582                 else
583                         {
584                         BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
585                         i=strlen(tbuf);
586                         if (buf && (buf_len > 0))
587                                 {
588                                 BUF_strlcpy(buf,tbuf,buf_len);
589                                 if (i > buf_len)
590                                         {
591                                         buf += buf_len;
592                                         buf_len = 0;
593                                         }
594                                 else
595                                         {
596                                         buf+=i;
597                                         buf_len-=i;
598                                         }
599                                 }
600                         n+=i;
601                         l=0;
602                         }
603                 }
604
605         if (bl)
606                 BN_free(bl);
607         return n;
608
609         err:
610         if (bl)
611                 BN_free(bl);
612         return -1;
613 }
614
615 int OBJ_txt2nid(const char *s)
616 {
617         ASN1_OBJECT *obj;
618         int nid;
619         obj = OBJ_txt2obj(s, 0);
620         nid = OBJ_obj2nid(obj);
621         ASN1_OBJECT_free(obj);
622         return nid;
623 }
624
625 int OBJ_ln2nid(const char *s)
626         {
627         ASN1_OBJECT o,*oo= &o,**op;
628         ADDED_OBJ ad,*adp;
629
630         o.ln=s;
631         if (added != NULL)
632                 {
633                 ad.type=ADDED_LNAME;
634                 ad.obj= &o;
635                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
636                 if (adp != NULL) return (adp->obj->nid);
637                 }
638         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
639                 sizeof(ASN1_OBJECT *),ln_cmp);
640         if (op == NULL) return(NID_undef);
641         return((*op)->nid);
642         }
643
644 int OBJ_sn2nid(const char *s)
645         {
646         ASN1_OBJECT o,*oo= &o,**op;
647         ADDED_OBJ ad,*adp;
648
649         o.sn=s;
650         if (added != NULL)
651                 {
652                 ad.type=ADDED_SNAME;
653                 ad.obj= &o;
654                 adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
655                 if (adp != NULL) return (adp->obj->nid);
656                 }
657         op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
658                 sizeof(ASN1_OBJECT *),sn_cmp);
659         if (op == NULL) return(NID_undef);
660         return((*op)->nid);
661         }
662
663 static int obj_cmp(const void *ap, const void *bp)
664         {
665         int j;
666         const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
667         const ASN1_OBJECT *b= *(ASN1_OBJECT * const *)bp;
668
669         j=(a->length - b->length);
670         if (j) return(j);
671         return(memcmp(a->data,b->data,a->length));
672         }
673
674 const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
675         int (*cmp)(const void *, const void *))
676         {
677         return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
678         }
679
680 const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
681         int size, int (*cmp)(const void *, const void *), int flags)
682         {
683         int l,h,i=0,c=0;
684         const char *p = NULL;
685
686         if (num == 0) return(NULL);
687         l=0;
688         h=num;
689         while (l < h)
690                 {
691                 i=(l+h)/2;
692                 p= &(base[i*size]);
693                 c=(*cmp)(key,p);
694                 if (c < 0)
695                         h=i;
696                 else if (c > 0)
697                         l=i+1;
698                 else
699                         break;
700                 }
701 #ifdef CHARSET_EBCDIC
702 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
703  * I don't have perl (yet), we revert to a *LINEAR* search
704  * when the object wasn't found in the binary search.
705  */
706         if (c != 0)
707                 {
708                 for (i=0; i<num; ++i)
709                         {
710                         p= &(base[i*size]);
711                         c = (*cmp)(key,p);
712                         if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
713                                 return p;
714                         }
715                 }
716 #endif
717         if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
718                 p = NULL;
719         else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
720                 {
721                 while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
722                         i--;
723                 p = &(base[i*size]);
724                 }
725         return(p);
726         }
727
728 int OBJ_create_objects(BIO *in)
729         {
730         MS_STATIC char buf[512];
731         int i,num=0;
732         char *o,*s,*l=NULL;
733
734         for (;;)
735                 {
736                 s=o=NULL;
737                 i=BIO_gets(in,buf,512);
738                 if (i <= 0) return(num);
739                 buf[i-1]='\0';
740                 if (!isalnum((unsigned char)buf[0])) return(num);
741                 o=s=buf;
742                 while (isdigit((unsigned char)*s) || (*s == '.'))
743                         s++;
744                 if (*s != '\0')
745                         {
746                         *(s++)='\0';
747                         while (isspace((unsigned char)*s))
748                                 s++;
749                         if (*s == '\0')
750                                 s=NULL;
751                         else
752                                 {
753                                 l=s;
754                                 while ((*l != '\0') && !isspace((unsigned char)*l))
755                                         l++;
756                                 if (*l != '\0')
757                                         {
758                                         *(l++)='\0';
759                                         while (isspace((unsigned char)*l))
760                                                 l++;
761                                         if (*l == '\0') l=NULL;
762                                         }
763                                 else
764                                         l=NULL;
765                                 }
766                         }
767                 else
768                         s=NULL;
769                 if ((o == NULL) || (*o == '\0')) return(num);
770                 if (!OBJ_create(o,s,l)) return(num);
771                 num++;
772                 }
773         /* return(num); */
774         }
775
776 int OBJ_create(const char *oid, const char *sn, const char *ln)
777         {
778         int ok=0;
779         ASN1_OBJECT *op=NULL;
780         unsigned char *buf;
781         int i;
782
783         i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
784         if (i <= 0) return(0);
785
786         if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
787                 {
788                 OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
789                 return(0);
790                 }
791         i=a2d_ASN1_OBJECT(buf,i,oid,-1);
792         if (i == 0)
793                 goto err;
794         op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
795         if (op == NULL) 
796                 goto err;
797         ok=OBJ_add_object(op);
798 err:
799         ASN1_OBJECT_free(op);
800         OPENSSL_free(buf);
801         return(ok);
802         }
803