xref: /dragonfly/crypto/libressl/crypto/objects/obj_dat.c (revision 961e30ea7dc61d1112b778ea4981eac68129fb86)
1 /* $OpenBSD: obj_dat.c,v 1.49 2022/03/19 17:49:32 jsing Exp $ */
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 <ctype.h>
60 #include <limits.h>
61 #include <stdio.h>
62 #include <string.h>
63 
64 #include <openssl/opensslconf.h>
65 
66 #include <openssl/asn1.h>
67 #include <openssl/bn.h>
68 #include <openssl/err.h>
69 #include <openssl/lhash.h>
70 #include <openssl/objects.h>
71 
72 #include "asn1_locl.h"
73 
74 /* obj_dat.h is generated from objects.h by obj_dat.pl */
75 #include "obj_dat.h"
76 
77 static int sn_cmp_BSEARCH_CMP_FN(const void *, const void *);
78 static int sn_cmp(const ASN1_OBJECT * const *, unsigned int const *);
79 static unsigned int *OBJ_bsearch_sn(const ASN1_OBJECT * *key, unsigned int const *base, int num);
80 static int ln_cmp_BSEARCH_CMP_FN(const void *, const void *);
81 static int ln_cmp(const ASN1_OBJECT * const *, unsigned int const *);
82 static unsigned int *OBJ_bsearch_ln(const ASN1_OBJECT * *key, unsigned int const *base, int num);
83 static int obj_cmp_BSEARCH_CMP_FN(const void *, const void *);
84 static int obj_cmp(const ASN1_OBJECT * const *, unsigned int const *);
85 static unsigned int *OBJ_bsearch_obj(const ASN1_OBJECT * *key, unsigned int const *base, int num);
86 
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           int type;
94           ASN1_OBJECT *obj;
95 } ADDED_OBJ;
96 DECLARE_LHASH_OF(ADDED_OBJ);
97 
98 static int new_nid = NUM_NID;
99 static LHASH_OF(ADDED_OBJ) *added = NULL;
100 
sn_cmp(const ASN1_OBJECT * const * a,const unsigned int * b)101 static int sn_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
102 {
103           return (strcmp((*a)->sn, nid_objs[*b].sn));
104 }
105 
106 
107 static int
sn_cmp_BSEARCH_CMP_FN(const void * a_,const void * b_)108 sn_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_)
109 {
110           const ASN1_OBJECT * const *a = a_;
111           unsigned int const *b = b_;
112           return sn_cmp(a, b);
113 }
114 
115 static unsigned int *
OBJ_bsearch_sn(const ASN1_OBJECT ** key,unsigned int const * base,int num)116 OBJ_bsearch_sn(const ASN1_OBJECT * *key, unsigned int const *base, int num)
117 {
118           return (unsigned int *)OBJ_bsearch_(key, base, num, sizeof(unsigned int),
119               sn_cmp_BSEARCH_CMP_FN);
120 }
121 
ln_cmp(const ASN1_OBJECT * const * a,const unsigned int * b)122 static int ln_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
123 {
124           return (strcmp((*a)->ln, nid_objs[*b].ln));
125 }
126 
127 
128 static int
ln_cmp_BSEARCH_CMP_FN(const void * a_,const void * b_)129 ln_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_)
130 {
131           const ASN1_OBJECT * const *a = a_;
132           unsigned int const *b = b_;
133           return ln_cmp(a, b);
134 }
135 
136 static unsigned int *
OBJ_bsearch_ln(const ASN1_OBJECT ** key,unsigned int const * base,int num)137 OBJ_bsearch_ln(const ASN1_OBJECT * *key, unsigned int const *base, int num)
138 {
139           return (unsigned int *)OBJ_bsearch_(key, base, num, sizeof(unsigned int),
140               ln_cmp_BSEARCH_CMP_FN);
141 }
142 
143 static unsigned long
added_obj_hash(const ADDED_OBJ * ca)144 added_obj_hash(const ADDED_OBJ *ca)
145 {
146           const ASN1_OBJECT *a;
147           int i;
148           unsigned long ret = 0;
149           unsigned char *p;
150 
151           a = ca->obj;
152           switch (ca->type) {
153           case ADDED_DATA:
154                     ret = a->length << 20L;
155                     p = (unsigned char *)a->data;
156                     for (i = 0; i < a->length; i++)
157                               ret ^= p[i] << ((i * 3) % 24);
158                     break;
159           case ADDED_SNAME:
160                     ret = lh_strhash(a->sn);
161                     break;
162           case ADDED_LNAME:
163                     ret = lh_strhash(a->ln);
164                     break;
165           case ADDED_NID:
166                     ret = a->nid;
167                     break;
168           default:
169                     /* abort(); */
170                     return 0;
171           }
172           ret &= 0x3fffffffL;
173           ret |= ca->type << 30L;
174           return (ret);
175 }
IMPLEMENT_LHASH_HASH_FN(added_obj,ADDED_OBJ)176 static IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ)
177 
178 static int
179 added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
180 {
181           ASN1_OBJECT *a, *b;
182           int i;
183 
184           i = ca->type - cb->type;
185           if (i)
186                     return (i);
187           a = ca->obj;
188           b = cb->obj;
189           switch (ca->type) {
190           case ADDED_DATA:
191                     i = (a->length - b->length);
192                     if (i)
193                               return (i);
194                     return (memcmp(a->data, b->data, (size_t)a->length));
195           case ADDED_SNAME:
196                     if (a->sn == NULL)
197                               return (-1);
198                     else if (b->sn == NULL)
199                               return (1);
200                     else
201                               return (strcmp(a->sn, b->sn));
202           case ADDED_LNAME:
203                     if (a->ln == NULL)
204                               return (-1);
205                     else if (b->ln == NULL)
206                               return (1);
207                     else
208                               return (strcmp(a->ln, b->ln));
209           case ADDED_NID:
210                     return (a->nid - b->nid);
211           default:
212                     /* abort(); */
213                     return 0;
214           }
215 }
IMPLEMENT_LHASH_COMP_FN(added_obj,ADDED_OBJ)216 static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ)
217 
218 static int
219 init_added(void)
220 {
221           if (added != NULL)
222                     return (1);
223           added = lh_ADDED_OBJ_new();
224           return (added != NULL);
225 }
226 
227 static void
cleanup1_doall(ADDED_OBJ * a)228 cleanup1_doall(ADDED_OBJ *a)
229 {
230           a->obj->nid = 0;
231           a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC |
232               ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
233               ASN1_OBJECT_FLAG_DYNAMIC_DATA;
234 }
235 
cleanup2_doall(ADDED_OBJ * a)236 static void cleanup2_doall(ADDED_OBJ *a)
237 {
238           a->obj->nid++;
239 }
240 
241 static void
cleanup3_doall(ADDED_OBJ * a)242 cleanup3_doall(ADDED_OBJ *a)
243 {
244           if (--a->obj->nid == 0)
245                     ASN1_OBJECT_free(a->obj);
246           free(a);
247 }
248 
249 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ)
250 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ)
251 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ)
252 
253 /* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
254  * to use freed up OIDs. If neccessary the actual freeing up of OIDs is
255  * delayed.
256  */
257 
258 int obj_cleanup_defer = 0;
259 
260 void
check_defer(int nid)261 check_defer(int nid)
262 {
263           if (!obj_cleanup_defer && nid >= NUM_NID)
264                     obj_cleanup_defer = 1;
265 }
266 
267 void
OBJ_cleanup(void)268 OBJ_cleanup(void)
269 {
270           if (obj_cleanup_defer) {
271                     obj_cleanup_defer = 2;
272                     return;
273           }
274           if (added == NULL)
275                     return;
276           lh_ADDED_OBJ_down_load(added) = 0;
277           lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup1)); /* zero counters */
278           lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup2)); /* set counters */
279           lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup3)); /* free objects */
280           lh_ADDED_OBJ_free(added);
281           added = NULL;
282 }
283 
284 int
OBJ_new_nid(int num)285 OBJ_new_nid(int num)
286 {
287           int i;
288 
289           i = new_nid;
290           new_nid += num;
291           return (i);
292 }
293 
294 int
OBJ_add_object(const ASN1_OBJECT * obj)295 OBJ_add_object(const ASN1_OBJECT *obj)
296 {
297           ASN1_OBJECT *o;
298           ADDED_OBJ *ao[4] = {NULL, NULL, NULL, NULL}, *aop;
299           int i;
300 
301           if (added == NULL)
302                     if (!init_added())
303                               return (0);
304           if ((o = OBJ_dup(obj)) == NULL)
305                     goto err;
306           if (!(ao[ADDED_NID] = malloc(sizeof(ADDED_OBJ))))
307                     goto err2;
308           if ((o->length != 0) && (obj->data != NULL))
309                     if (!(ao[ADDED_DATA] = malloc(sizeof(ADDED_OBJ))))
310                               goto err2;
311           if (o->sn != NULL)
312                     if (!(ao[ADDED_SNAME] = malloc(sizeof(ADDED_OBJ))))
313                               goto err2;
314           if (o->ln != NULL)
315                     if (!(ao[ADDED_LNAME] = malloc(sizeof(ADDED_OBJ))))
316                               goto err2;
317 
318           for (i = ADDED_DATA; i <= ADDED_NID; i++) {
319                     if (ao[i] != NULL) {
320                               ao[i]->type = i;
321                               ao[i]->obj = o;
322                               aop = lh_ADDED_OBJ_insert(added, ao[i]);
323                               /* memory leak, buit should not normally matter */
324                               free(aop);
325                     }
326           }
327           o->flags &= ~(ASN1_OBJECT_FLAG_DYNAMIC |
328               ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
329               ASN1_OBJECT_FLAG_DYNAMIC_DATA);
330 
331           return (o->nid);
332 
333  err2:
334           OBJerror(ERR_R_MALLOC_FAILURE);
335  err:
336           for (i = ADDED_DATA; i <= ADDED_NID; i++)
337                     free(ao[i]);
338           ASN1_OBJECT_free(o);
339           return (NID_undef);
340 }
341 
342 ASN1_OBJECT *
OBJ_nid2obj(int n)343 OBJ_nid2obj(int n)
344 {
345           ADDED_OBJ ad, *adp;
346           ASN1_OBJECT ob;
347 
348           if ((n >= 0) && (n < NUM_NID)) {
349                     if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
350                               OBJerror(OBJ_R_UNKNOWN_NID);
351                               return (NULL);
352                     }
353                     return ((ASN1_OBJECT *)&(nid_objs[n]));
354           } else if (added == NULL)
355                     return (NULL);
356           else {
357                     ad.type = ADDED_NID;
358                     ad.obj = &ob;
359                     ob.nid = n;
360                     adp = lh_ADDED_OBJ_retrieve(added, &ad);
361                     if (adp != NULL)
362                               return (adp->obj);
363                     else {
364                               OBJerror(OBJ_R_UNKNOWN_NID);
365                               return (NULL);
366                     }
367           }
368 }
369 
370 const char *
OBJ_nid2sn(int n)371 OBJ_nid2sn(int n)
372 {
373           ADDED_OBJ ad, *adp;
374           ASN1_OBJECT ob;
375 
376           if ((n >= 0) && (n < NUM_NID)) {
377                     if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
378                               OBJerror(OBJ_R_UNKNOWN_NID);
379                               return (NULL);
380                     }
381                     return (nid_objs[n].sn);
382           } else if (added == NULL)
383                     return (NULL);
384           else {
385                     ad.type = ADDED_NID;
386                     ad.obj = &ob;
387                     ob.nid = n;
388                     adp = lh_ADDED_OBJ_retrieve(added, &ad);
389                     if (adp != NULL)
390                               return (adp->obj->sn);
391                     else {
392                               OBJerror(OBJ_R_UNKNOWN_NID);
393                               return (NULL);
394                     }
395           }
396 }
397 
398 const char *
OBJ_nid2ln(int n)399 OBJ_nid2ln(int n)
400 {
401           ADDED_OBJ ad, *adp;
402           ASN1_OBJECT ob;
403 
404           if ((n >= 0) && (n < NUM_NID)) {
405                     if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
406                               OBJerror(OBJ_R_UNKNOWN_NID);
407                               return (NULL);
408                     }
409                     return (nid_objs[n].ln);
410           } else if (added == NULL)
411                     return (NULL);
412           else {
413                     ad.type = ADDED_NID;
414                     ad.obj = &ob;
415                     ob.nid = n;
416                     adp = lh_ADDED_OBJ_retrieve(added, &ad);
417                     if (adp != NULL)
418                               return (adp->obj->ln);
419                     else {
420                               OBJerror(OBJ_R_UNKNOWN_NID);
421                               return (NULL);
422                     }
423           }
424 }
425 
426 static int
obj_cmp(const ASN1_OBJECT * const * ap,const unsigned int * bp)427 obj_cmp(const ASN1_OBJECT * const *ap, const unsigned int *bp)
428 {
429           int j;
430           const ASN1_OBJECT *a= *ap;
431           const ASN1_OBJECT *b = &nid_objs[*bp];
432 
433           j = (a->length - b->length);
434           if (j)
435                     return (j);
436           return (memcmp(a->data, b->data, a->length));
437 }
438 
439 
440 static int
obj_cmp_BSEARCH_CMP_FN(const void * a_,const void * b_)441 obj_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_)
442 {
443           const ASN1_OBJECT * const *a = a_;
444           unsigned int const *b = b_;
445           return obj_cmp(a, b);
446 }
447 
448 static unsigned int *
OBJ_bsearch_obj(const ASN1_OBJECT ** key,unsigned int const * base,int num)449 OBJ_bsearch_obj(const ASN1_OBJECT * *key, unsigned int const *base, int num)
450 {
451           return (unsigned int *)OBJ_bsearch_(key, base, num, sizeof(unsigned int),
452               obj_cmp_BSEARCH_CMP_FN);
453 }
454 
455 int
OBJ_obj2nid(const ASN1_OBJECT * a)456 OBJ_obj2nid(const ASN1_OBJECT *a)
457 {
458           const unsigned int *op;
459           ADDED_OBJ ad, *adp;
460 
461           if (a == NULL || a->length == 0)
462                     return (NID_undef);
463           if (a->nid != NID_undef)
464                     return (a->nid);
465 
466           if (added != NULL) {
467                     ad.type = ADDED_DATA;
468                     ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
469                     adp = lh_ADDED_OBJ_retrieve(added, &ad);
470                     if (adp != NULL)
471                               return (adp->obj->nid);
472           }
473           op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
474           if (op == NULL)
475                     return (NID_undef);
476           return (nid_objs[*op].nid);
477 }
478 
479 /* Convert an object name into an ASN1_OBJECT
480  * if "noname" is not set then search for short and long names first.
481  * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
482  * it can be used with any objects, not just registered ones.
483  */
484 
485 ASN1_OBJECT *
OBJ_txt2obj(const char * s,int no_name)486 OBJ_txt2obj(const char *s, int no_name)
487 {
488           int nid;
489 
490           if (!no_name) {
491                     if (((nid = OBJ_sn2nid(s)) != NID_undef) ||
492                         ((nid = OBJ_ln2nid(s)) != NID_undef) )
493                               return OBJ_nid2obj(nid);
494           }
495 
496           return t2i_ASN1_OBJECT_internal(s);
497 }
498 
499 int
OBJ_obj2txt(char * buf,int buf_len,const ASN1_OBJECT * aobj,int no_name)500 OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *aobj, int no_name)
501 {
502           if (aobj == NULL || aobj->data == NULL)
503                     return 0;
504 
505           return i2t_ASN1_OBJECT_internal(aobj, buf, buf_len, no_name);
506 }
507 
508 int
OBJ_txt2nid(const char * s)509 OBJ_txt2nid(const char *s)
510 {
511           ASN1_OBJECT *obj;
512           int nid;
513 
514           obj = OBJ_txt2obj(s, 0);
515           nid = OBJ_obj2nid(obj);
516           ASN1_OBJECT_free(obj);
517           return nid;
518 }
519 
520 int
OBJ_ln2nid(const char * s)521 OBJ_ln2nid(const char *s)
522 {
523           ASN1_OBJECT o;
524           const ASN1_OBJECT *oo = &o;
525           ADDED_OBJ ad, *adp;
526           const unsigned int *op;
527 
528           o.ln = s;
529           if (added != NULL) {
530                     ad.type = ADDED_LNAME;
531                     ad.obj = &o;
532                     adp = lh_ADDED_OBJ_retrieve(added, &ad);
533                     if (adp != NULL)
534                               return (adp->obj->nid);
535           }
536           op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
537           if (op == NULL)
538                     return (NID_undef);
539           return (nid_objs[*op].nid);
540 }
541 
542 int
OBJ_sn2nid(const char * s)543 OBJ_sn2nid(const char *s)
544 {
545           ASN1_OBJECT o;
546           const ASN1_OBJECT *oo = &o;
547           ADDED_OBJ ad, *adp;
548           const unsigned int *op;
549 
550           o.sn = s;
551           if (added != NULL) {
552                     ad.type = ADDED_SNAME;
553                     ad.obj = &o;
554                     adp = lh_ADDED_OBJ_retrieve(added, &ad);
555                     if (adp != NULL)
556                               return (adp->obj->nid);
557           }
558           op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
559           if (op == NULL)
560                     return (NID_undef);
561           return (nid_objs[*op].nid);
562 }
563 
564 const void *
OBJ_bsearch_(const void * key,const void * base,int num,int size,int (* cmp)(const void *,const void *))565 OBJ_bsearch_(const void *key, const void *base, int num, int size,
566     int (*cmp)(const void *, const void *))
567 {
568           return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
569 }
570 
571 const void *
OBJ_bsearch_ex_(const void * key,const void * base_,int num,int size,int (* cmp)(const void *,const void *),int flags)572 OBJ_bsearch_ex_(const void *key, const void *base_, int num, int size,
573     int (*cmp)(const void *, const void *), int flags)
574 {
575           const char *base = base_;
576           int l, h, i = 0, c = 0;
577           const char *p = NULL;
578 
579           if (num == 0)
580                     return (NULL);
581           l = 0;
582           h = num;
583           while (l < h) {
584                     i = (l + h) / 2;
585                     p = &(base[i * size]);
586                     c = (*cmp)(key, p);
587                     if (c < 0)
588                               h = i;
589                     else if (c > 0)
590                               l = i + 1;
591                     else
592                               break;
593           }
594           if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
595                     p = NULL;
596           else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH)) {
597                     while (i > 0 && (*cmp)(key, &(base[(i - 1) * size])) == 0)
598                               i--;
599                     p = &(base[i * size]);
600           }
601           return (p);
602 }
603 
604 int
OBJ_create_objects(BIO * in)605 OBJ_create_objects(BIO *in)
606 {
607           char buf[512];
608           int i, num = 0;
609           char *o, *s, *l = NULL;
610 
611           for (;;) {
612                     s = o = NULL;
613                     i = BIO_gets(in, buf, 512);
614                     if (i <= 0)
615                               return (num);
616                     buf[i - 1] = '\0';
617                     if (!isalnum((unsigned char)buf[0]))
618                               return (num);
619                     o = s=buf;
620                     while (isdigit((unsigned char)*s) || (*s == '.'))
621                               s++;
622                     if (*s != '\0') {
623                               *(s++) = '\0';
624                               while (isspace((unsigned char)*s))
625                                         s++;
626                               if (*s == '\0')
627                                         s = NULL;
628                               else {
629                                         l = s;
630                                         while ((*l != '\0') &&
631                                             !isspace((unsigned char)*l))
632                                                   l++;
633                                         if (*l != '\0') {
634                                                   *(l++) = '\0';
635                                                   while (isspace((unsigned char)*l))
636                                                             l++;
637                                                   if (*l == '\0')
638                                                             l = NULL;
639                                         } else
640                                                   l = NULL;
641                               }
642                     } else
643                               s = NULL;
644                     if ((o == NULL) || (*o == '\0'))
645                               return (num);
646                     if (!OBJ_create(o, s, l))
647                               return (num);
648                     num++;
649           }
650           /* return(num); */
651 }
652 
653 int
OBJ_create(const char * oid,const char * sn,const char * ln)654 OBJ_create(const char *oid, const char *sn, const char *ln)
655 {
656           int ok = 0;
657           ASN1_OBJECT *op = NULL;
658           unsigned char *buf;
659           int i;
660 
661           i = a2d_ASN1_OBJECT(NULL, 0, oid, -1);
662           if (i <= 0)
663                     return (0);
664 
665           if ((buf = malloc(i)) == NULL) {
666                     OBJerror(ERR_R_MALLOC_FAILURE);
667                     return (0);
668           }
669           i = a2d_ASN1_OBJECT(buf, i, oid, -1);
670           if (i == 0)
671                     goto err;
672           op = (ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1), buf, i, sn, ln);
673           if (op == NULL)
674                     goto err;
675           ok = OBJ_add_object(op);
676 
677  err:
678           ASN1_OBJECT_free(op);
679           free(buf);
680           return (ok);
681 }
682 
683 size_t
OBJ_length(const ASN1_OBJECT * obj)684 OBJ_length(const ASN1_OBJECT *obj)
685 {
686           if (obj == NULL)
687                     return 0;
688 
689           if (obj->length < 0)
690                     return 0;
691 
692           return obj->length;
693 }
694 
695 const unsigned char *
OBJ_get0_data(const ASN1_OBJECT * obj)696 OBJ_get0_data(const ASN1_OBJECT *obj)
697 {
698           if (obj == NULL)
699                     return NULL;
700 
701           return obj->data;
702 }
703