xref: /freebsd/crypto/openssl/crypto/objects/obj_dat.c (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
1 /* crypto/objects/obj_dat.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 #include <stdio.h>
60 #include <ctype.h>
61 #include <limits.h>
62 #include "cryptlib.h"
63 #include <openssl/lhash.h>
64 #include <openssl/asn1.h>
65 #include <openssl/objects.h>
66 
67 /* obj_dat.h is generated from objects.h by obj_dat.pl */
68 #ifndef OPENSSL_NO_OBJECT
69 #include "obj_dat.h"
70 #else
71 /* You will have to load all the objects needed manually in the application */
72 #define NUM_NID 0
73 #define NUM_SN 0
74 #define NUM_LN 0
75 #define NUM_OBJ 0
76 static unsigned char lvalues[1];
77 static ASN1_OBJECT nid_objs[1];
78 static ASN1_OBJECT *sn_objs[1];
79 static ASN1_OBJECT *ln_objs[1];
80 static ASN1_OBJECT *obj_objs[1];
81 #endif
82 
83 static int sn_cmp(const void *a, const void *b);
84 static int ln_cmp(const void *a, const void *b);
85 static int obj_cmp(const void *a, const void *b);
86 #define ADDED_DATA	0
87 #define ADDED_SNAME	1
88 #define ADDED_LNAME	2
89 #define ADDED_NID	3
90 
91 typedef struct added_obj_st
92 	{
93 	int type;
94 	ASN1_OBJECT *obj;
95 	} ADDED_OBJ;
96 
97 static int new_nid=NUM_NID;
98 static LHASH *added=NULL;
99 
100 static int sn_cmp(const void *a, const void *b)
101 	{
102 	const ASN1_OBJECT * const *ap = a, * const *bp = b;
103 	return(strcmp((*ap)->sn,(*bp)->sn));
104 	}
105 
106 static int ln_cmp(const void *a, const void *b)
107 	{
108 	const ASN1_OBJECT * const *ap = a, * const *bp = b;
109 	return(strcmp((*ap)->ln,(*bp)->ln));
110 	}
111 
112 /* static unsigned long add_hash(ADDED_OBJ *ca) */
113 static unsigned long add_hash(const void *ca_void)
114 	{
115 	const ASN1_OBJECT *a;
116 	int i;
117 	unsigned long ret=0;
118 	unsigned char *p;
119 	const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
120 
121 	a=ca->obj;
122 	switch (ca->type)
123 		{
124 	case ADDED_DATA:
125 		ret=a->length<<20L;
126 		p=(unsigned char *)a->data;
127 		for (i=0; i<a->length; i++)
128 			ret^=p[i]<<((i*3)%24);
129 		break;
130 	case ADDED_SNAME:
131 		ret=lh_strhash(a->sn);
132 		break;
133 	case ADDED_LNAME:
134 		ret=lh_strhash(a->ln);
135 		break;
136 	case ADDED_NID:
137 		ret=a->nid;
138 		break;
139 	default:
140 		/* abort(); */
141 		return 0;
142 		}
143 	ret&=0x3fffffffL;
144 	ret|=ca->type<<30L;
145 	return(ret);
146 	}
147 
148 /* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
149 static int add_cmp(const void *ca_void, const void *cb_void)
150 	{
151 	ASN1_OBJECT *a,*b;
152 	int i;
153 	const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
154 	const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
155 
156 	i=ca->type-cb->type;
157 	if (i) return(i);
158 	a=ca->obj;
159 	b=cb->obj;
160 	switch (ca->type)
161 		{
162 	case ADDED_DATA:
163 		i=(a->length - b->length);
164 		if (i) return(i);
165 		return(memcmp(a->data,b->data,(size_t)a->length));
166 	case ADDED_SNAME:
167 		if (a->sn == NULL) return(-1);
168 		else if (b->sn == NULL) return(1);
169 		else return(strcmp(a->sn,b->sn));
170 	case ADDED_LNAME:
171 		if (a->ln == NULL) return(-1);
172 		else if (b->ln == NULL) return(1);
173 		else return(strcmp(a->ln,b->ln));
174 	case ADDED_NID:
175 		return(a->nid-b->nid);
176 	default:
177 		/* abort(); */
178 		return 0;
179 		}
180 	}
181 
182 static int init_added(void)
183 	{
184 	if (added != NULL) return(1);
185 	added=lh_new(add_hash,add_cmp);
186 	return(added != NULL);
187 	}
188 
189 static void cleanup1(ADDED_OBJ *a)
190 	{
191 	a->obj->nid=0;
192 	a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
193 	                ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
194 			ASN1_OBJECT_FLAG_DYNAMIC_DATA;
195 	}
196 
197 static void cleanup2(ADDED_OBJ *a)
198 	{ a->obj->nid++; }
199 
200 static void cleanup3(ADDED_OBJ *a)
201 	{
202 	if (--a->obj->nid == 0)
203 		ASN1_OBJECT_free(a->obj);
204 	OPENSSL_free(a);
205 	}
206 
207 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ *)
208 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ *)
209 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ *)
210 
211 void OBJ_cleanup(void)
212 	{
213 	if (added == NULL) return;
214 	added->down_load=0;
215 	lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
216 	lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
217 	lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
218 	lh_free(added);
219 	added=NULL;
220 	}
221 
222 int OBJ_new_nid(int num)
223 	{
224 	int i;
225 
226 	i=new_nid;
227 	new_nid+=num;
228 	return(i);
229 	}
230 
231 int OBJ_add_object(const ASN1_OBJECT *obj)
232 	{
233 	ASN1_OBJECT *o;
234 	ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
235 	int i;
236 
237 	if (added == NULL)
238 		if (!init_added()) return(0);
239 	if ((o=OBJ_dup(obj)) == NULL) goto err;
240 	if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
241 	if ((o->length != 0) && (obj->data != NULL))
242 		if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
243 	if (o->sn != NULL)
244 		if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
245 	if (o->ln != NULL)
246 		if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
247 
248 	for (i=ADDED_DATA; i<=ADDED_NID; i++)
249 		{
250 		if (ao[i] != NULL)
251 			{
252 			ao[i]->type=i;
253 			ao[i]->obj=o;
254 			aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
255 			/* memory leak, buit should not normally matter */
256 			if (aop != NULL)
257 				OPENSSL_free(aop);
258 			}
259 		}
260 	o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
261 			ASN1_OBJECT_FLAG_DYNAMIC_DATA);
262 
263 	return(o->nid);
264 err2:
265 	OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
266 err:
267 	for (i=ADDED_DATA; i<=ADDED_NID; i++)
268 		if (ao[i] != NULL) OPENSSL_free(ao[i]);
269 	if (o != NULL) OPENSSL_free(o);
270 	return(NID_undef);
271 	}
272 
273 ASN1_OBJECT *OBJ_nid2obj(int n)
274 	{
275 	ADDED_OBJ ad,*adp;
276 	ASN1_OBJECT ob;
277 
278 	if ((n >= 0) && (n < NUM_NID))
279 		{
280 		if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
281 			{
282 			OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
283 			return(NULL);
284 			}
285 		return((ASN1_OBJECT *)&(nid_objs[n]));
286 		}
287 	else if (added == NULL)
288 		return(NULL);
289 	else
290 		{
291 		ad.type=ADDED_NID;
292 		ad.obj= &ob;
293 		ob.nid=n;
294 		adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
295 		if (adp != NULL)
296 			return(adp->obj);
297 		else
298 			{
299 			OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
300 			return(NULL);
301 			}
302 		}
303 	}
304 
305 const char *OBJ_nid2sn(int n)
306 	{
307 	ADDED_OBJ ad,*adp;
308 	ASN1_OBJECT ob;
309 
310 	if ((n >= 0) && (n < NUM_NID))
311 		{
312 		if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
313 			{
314 			OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
315 			return(NULL);
316 			}
317 		return(nid_objs[n].sn);
318 		}
319 	else if (added == NULL)
320 		return(NULL);
321 	else
322 		{
323 		ad.type=ADDED_NID;
324 		ad.obj= &ob;
325 		ob.nid=n;
326 		adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
327 		if (adp != NULL)
328 			return(adp->obj->sn);
329 		else
330 			{
331 			OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
332 			return(NULL);
333 			}
334 		}
335 	}
336 
337 const char *OBJ_nid2ln(int n)
338 	{
339 	ADDED_OBJ ad,*adp;
340 	ASN1_OBJECT ob;
341 
342 	if ((n >= 0) && (n < NUM_NID))
343 		{
344 		if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
345 			{
346 			OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
347 			return(NULL);
348 			}
349 		return(nid_objs[n].ln);
350 		}
351 	else if (added == NULL)
352 		return(NULL);
353 	else
354 		{
355 		ad.type=ADDED_NID;
356 		ad.obj= &ob;
357 		ob.nid=n;
358 		adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
359 		if (adp != NULL)
360 			return(adp->obj->ln);
361 		else
362 			{
363 			OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
364 			return(NULL);
365 			}
366 		}
367 	}
368 
369 int OBJ_obj2nid(const ASN1_OBJECT *a)
370 	{
371 	ASN1_OBJECT **op;
372 	ADDED_OBJ ad,*adp;
373 
374 	if (a == NULL)
375 		return(NID_undef);
376 	if (a->nid != 0)
377 		return(a->nid);
378 
379 	if (added != NULL)
380 		{
381 		ad.type=ADDED_DATA;
382 		ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
383 		adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
384 		if (adp != NULL) return (adp->obj->nid);
385 		}
386 	op=(ASN1_OBJECT **)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
387 		NUM_OBJ, sizeof(ASN1_OBJECT *),obj_cmp);
388 	if (op == NULL)
389 		return(NID_undef);
390 	return((*op)->nid);
391 	}
392 
393 /* Convert an object name into an ASN1_OBJECT
394  * if "noname" is not set then search for short and long names first.
395  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
396  * it can be used with any objects, not just registered ones.
397  */
398 
399 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
400 	{
401 	int nid = NID_undef;
402 	ASN1_OBJECT *op=NULL;
403 	unsigned char *buf;
404 	unsigned char *p;
405 	const unsigned char *cp;
406 	int i, j;
407 
408 	if(!no_name) {
409 		if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
410 			((nid = OBJ_ln2nid(s)) != NID_undef) )
411 					return OBJ_nid2obj(nid);
412 	}
413 
414 	/* Work out size of content octets */
415 	i=a2d_ASN1_OBJECT(NULL,0,s,-1);
416 	if (i <= 0) {
417 		/* Don't clear the error */
418 		/*ERR_clear_error();*/
419 		return NULL;
420 	}
421 	/* Work out total size */
422 	j = ASN1_object_size(0,i,V_ASN1_OBJECT);
423 
424 	if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
425 
426 	p = buf;
427 	/* Write out tag+length */
428 	ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
429 	/* Write out contents */
430 	a2d_ASN1_OBJECT(p,i,s,-1);
431 
432 	cp=buf;
433 	op=d2i_ASN1_OBJECT(NULL,&cp,j);
434 	OPENSSL_free(buf);
435 	return op;
436 	}
437 
438 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
439 {
440 	int i,n=0,len,nid, first, use_bn;
441 	BIGNUM *bl;
442 	unsigned long l;
443 	unsigned char *p;
444 	char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
445 
446 	if ((a == NULL) || (a->data == NULL)) {
447 		buf[0]='\0';
448 		return(0);
449 	}
450 
451 
452 	if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
453 		{
454 		const char *s;
455 		s=OBJ_nid2ln(nid);
456 		if (s == NULL)
457 			s=OBJ_nid2sn(nid);
458 		if (buf)
459 			BUF_strlcpy(buf,s,buf_len);
460 		n=strlen(s);
461 		return n;
462 		}
463 
464 
465 	len=a->length;
466 	p=a->data;
467 
468 	first = 1;
469 	bl = NULL;
470 
471 	while (len > 0)
472 		{
473 		l=0;
474 		use_bn = 0;
475 		for (;;)
476 			{
477 			unsigned char c = *p++;
478 			len--;
479 			if ((len == 0) && (c & 0x80))
480 				goto err;
481 			if (use_bn)
482 				{
483 				if (!BN_add_word(bl, c & 0x7f))
484 					goto err;
485 				}
486 			else
487 				l |= c  & 0x7f;
488 			if (!(c & 0x80))
489 				break;
490 			if (!use_bn && (l > (ULONG_MAX >> 7L)))
491 				{
492 				if (!bl && !(bl = BN_new()))
493 					goto err;
494 				if (!BN_set_word(bl, l))
495 					goto err;
496 				use_bn = 1;
497 				}
498 			if (use_bn)
499 				{
500 				if (!BN_lshift(bl, bl, 7))
501 					goto err;
502 				}
503 			else
504 				l<<=7L;
505 			}
506 
507 		if (first)
508 			{
509 			first = 0;
510 			if (l >= 80)
511 				{
512 				i = 2;
513 				if (use_bn)
514 					{
515 					if (!BN_sub_word(bl, 80))
516 						goto err;
517 					}
518 				else
519 					l -= 80;
520 				}
521 			else
522 				{
523 				i=(int)(l/40);
524 				l-=(long)(i*40);
525 				}
526 			if (buf && (buf_len > 0))
527 				{
528 				*buf++ = i + '0';
529 				buf_len--;
530 				}
531 			n++;
532 			}
533 
534 		if (use_bn)
535 			{
536 			char *bndec;
537 			bndec = BN_bn2dec(bl);
538 			if (!bndec)
539 				goto err;
540 			i = strlen(bndec);
541 			if (buf)
542 				{
543 				if (buf_len > 0)
544 					{
545 					*buf++ = '.';
546 					buf_len--;
547 					}
548 				BUF_strlcpy(buf,bndec,buf_len);
549 				if (i > buf_len)
550 					{
551 					buf += buf_len;
552 					buf_len = 0;
553 					}
554 				else
555 					{
556 					buf+=i;
557 					buf_len-=i;
558 					}
559 				}
560 			n++;
561 			n += i;
562 			OPENSSL_free(bndec);
563 			}
564 		else
565 			{
566 			BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
567 			i=strlen(tbuf);
568 			if (buf && (buf_len > 0))
569 				{
570 				BUF_strlcpy(buf,tbuf,buf_len);
571 				if (i > buf_len)
572 					{
573 					buf += buf_len;
574 					buf_len = 0;
575 					}
576 				else
577 					{
578 					buf+=i;
579 					buf_len-=i;
580 					}
581 				}
582 			n+=i;
583 			l=0;
584 			}
585 		}
586 
587 	if (bl)
588 		BN_free(bl);
589 	return n;
590 
591 	err:
592 	if (bl)
593 		BN_free(bl);
594 	return -1;
595 }
596 
597 int OBJ_txt2nid(const char *s)
598 {
599 	ASN1_OBJECT *obj;
600 	int nid;
601 	obj = OBJ_txt2obj(s, 0);
602 	nid = OBJ_obj2nid(obj);
603 	ASN1_OBJECT_free(obj);
604 	return nid;
605 }
606 
607 int OBJ_ln2nid(const char *s)
608 	{
609 	ASN1_OBJECT o,*oo= &o,**op;
610 	ADDED_OBJ ad,*adp;
611 
612 	o.ln=s;
613 	if (added != NULL)
614 		{
615 		ad.type=ADDED_LNAME;
616 		ad.obj= &o;
617 		adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
618 		if (adp != NULL) return (adp->obj->nid);
619 		}
620 	op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
621 		sizeof(ASN1_OBJECT *),ln_cmp);
622 	if (op == NULL) return(NID_undef);
623 	return((*op)->nid);
624 	}
625 
626 int OBJ_sn2nid(const char *s)
627 	{
628 	ASN1_OBJECT o,*oo= &o,**op;
629 	ADDED_OBJ ad,*adp;
630 
631 	o.sn=s;
632 	if (added != NULL)
633 		{
634 		ad.type=ADDED_SNAME;
635 		ad.obj= &o;
636 		adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
637 		if (adp != NULL) return (adp->obj->nid);
638 		}
639 	op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
640 		sizeof(ASN1_OBJECT *),sn_cmp);
641 	if (op == NULL) return(NID_undef);
642 	return((*op)->nid);
643 	}
644 
645 static int obj_cmp(const void *ap, const void *bp)
646 	{
647 	int j;
648 	const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
649 	const ASN1_OBJECT *b= *(ASN1_OBJECT * const *)bp;
650 
651 	j=(a->length - b->length);
652         if (j) return(j);
653 	return(memcmp(a->data,b->data,a->length));
654         }
655 
656 const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
657 	int (*cmp)(const void *, const void *))
658 	{
659 	return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
660 	}
661 
662 const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
663 	int size, int (*cmp)(const void *, const void *), int flags)
664 	{
665 	int l,h,i=0,c=0;
666 	const char *p = NULL;
667 
668 	if (num == 0) return(NULL);
669 	l=0;
670 	h=num;
671 	while (l < h)
672 		{
673 		i=(l+h)/2;
674 		p= &(base[i*size]);
675 		c=(*cmp)(key,p);
676 		if (c < 0)
677 			h=i;
678 		else if (c > 0)
679 			l=i+1;
680 		else
681 			break;
682 		}
683 #ifdef CHARSET_EBCDIC
684 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
685  * I don't have perl (yet), we revert to a *LINEAR* search
686  * when the object wasn't found in the binary search.
687  */
688 	if (c != 0)
689 		{
690 		for (i=0; i<num; ++i)
691 			{
692 			p= &(base[i*size]);
693 			c = (*cmp)(key,p);
694 			if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
695 				return p;
696 			}
697 		}
698 #endif
699 	if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
700 		p = NULL;
701 	else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
702 		{
703 		while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
704 			i--;
705 		p = &(base[i*size]);
706 		}
707 	return(p);
708 	}
709 
710 int OBJ_create_objects(BIO *in)
711 	{
712 	MS_STATIC char buf[512];
713 	int i,num=0;
714 	char *o,*s,*l=NULL;
715 
716 	for (;;)
717 		{
718 		s=o=NULL;
719 		i=BIO_gets(in,buf,512);
720 		if (i <= 0) return(num);
721 		buf[i-1]='\0';
722 		if (!isalnum((unsigned char)buf[0])) return(num);
723 		o=s=buf;
724 		while (isdigit((unsigned char)*s) || (*s == '.'))
725 			s++;
726 		if (*s != '\0')
727 			{
728 			*(s++)='\0';
729 			while (isspace((unsigned char)*s))
730 				s++;
731 			if (*s == '\0')
732 				s=NULL;
733 			else
734 				{
735 				l=s;
736 				while ((*l != '\0') && !isspace((unsigned char)*l))
737 					l++;
738 				if (*l != '\0')
739 					{
740 					*(l++)='\0';
741 					while (isspace((unsigned char)*l))
742 						l++;
743 					if (*l == '\0') l=NULL;
744 					}
745 				else
746 					l=NULL;
747 				}
748 			}
749 		else
750 			s=NULL;
751 		if ((o == NULL) || (*o == '\0')) return(num);
752 		if (!OBJ_create(o,s,l)) return(num);
753 		num++;
754 		}
755 	/* return(num); */
756 	}
757 
758 int OBJ_create(const char *oid, const char *sn, const char *ln)
759 	{
760 	int ok=0;
761 	ASN1_OBJECT *op=NULL;
762 	unsigned char *buf;
763 	int i;
764 
765 	i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
766 	if (i <= 0) return(0);
767 
768 	if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
769 		{
770 		OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
771 		return(0);
772 		}
773 	i=a2d_ASN1_OBJECT(buf,i,oid,-1);
774 	if (i == 0)
775 		goto err;
776 	op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
777 	if (op == NULL)
778 		goto err;
779 	ok=OBJ_add_object(op);
780 err:
781 	ASN1_OBJECT_free(op);
782 	OPENSSL_free(buf);
783 	return(ok);
784 	}
785 
786