source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/objects/obj_dat.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 17.7 KB
Line 
1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include <ctype.h>
12#include <limits.h>
13#include "internal/cryptlib.h"
14#include <openssl/lhash.h>
15#include <openssl/asn1.h>
16#include "internal/objects.h"
17#include <openssl/bn.h>
18#include "internal/asn1_int.h"
19#include "obj_lcl.h"
20
21/* obj_dat.h is generated from objects.h by obj_dat.pl */
22#include "obj_dat.h"
23
24DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
25DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
26DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
27
28#define ADDED_DATA 0
29#define ADDED_SNAME 1
30#define ADDED_LNAME 2
31#define ADDED_NID 3
32
33struct added_obj_st {
34 int type;
35 ASN1_OBJECT *obj;
36};
37
38static int new_nid = NUM_NID;
39static LHASH_OF(ADDED_OBJ) *added = NULL;
40
41static int sn_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
42{
43 return (strcmp((*a)->sn, nid_objs[*b].sn));
44}
45
46IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
47
48static int ln_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
49{
50 return (strcmp((*a)->ln, nid_objs[*b].ln));
51}
52
53IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
54
55static unsigned long added_obj_hash(const ADDED_OBJ *ca)
56{
57 const ASN1_OBJECT *a;
58 int i;
59 unsigned long ret = 0;
60 unsigned char *p;
61
62 a = ca->obj;
63 switch (ca->type) {
64 case ADDED_DATA:
65 ret = a->length << 20L;
66 p = (unsigned char *)a->data;
67 for (i = 0; i < a->length; i++)
68 ret ^= p[i] << ((i * 3) % 24);
69 break;
70 case ADDED_SNAME:
71 ret = OPENSSL_LH_strhash(a->sn);
72 break;
73 case ADDED_LNAME:
74 ret = OPENSSL_LH_strhash(a->ln);
75 break;
76 case ADDED_NID:
77 ret = a->nid;
78 break;
79 default:
80 /* abort(); */
81 return 0;
82 }
83 ret &= 0x3fffffffL;
84 ret |= ((unsigned long)ca->type) << 30L;
85 return (ret);
86}
87
88static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
89{
90 ASN1_OBJECT *a, *b;
91 int i;
92
93 i = ca->type - cb->type;
94 if (i)
95 return (i);
96 a = ca->obj;
97 b = cb->obj;
98 switch (ca->type) {
99 case ADDED_DATA:
100 i = (a->length - b->length);
101 if (i)
102 return (i);
103 return (memcmp(a->data, b->data, (size_t)a->length));
104 case ADDED_SNAME:
105 if (a->sn == NULL)
106 return (-1);
107 else if (b->sn == NULL)
108 return (1);
109 else
110 return (strcmp(a->sn, b->sn));
111 case ADDED_LNAME:
112 if (a->ln == NULL)
113 return (-1);
114 else if (b->ln == NULL)
115 return (1);
116 else
117 return (strcmp(a->ln, b->ln));
118 case ADDED_NID:
119 return (a->nid - b->nid);
120 default:
121 /* abort(); */
122 return 0;
123 }
124}
125
126static int init_added(void)
127{
128 if (added != NULL)
129 return (1);
130 added = lh_ADDED_OBJ_new(added_obj_hash, added_obj_cmp);
131 return (added != NULL);
132}
133
134static void cleanup1_doall(ADDED_OBJ *a)
135{
136 a->obj->nid = 0;
137 a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC |
138 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA;
139}
140
141static void cleanup2_doall(ADDED_OBJ *a)
142{
143 a->obj->nid++;
144}
145
146static void cleanup3_doall(ADDED_OBJ *a)
147{
148 if (--a->obj->nid == 0)
149 ASN1_OBJECT_free(a->obj);
150 OPENSSL_free(a);
151}
152
153void obj_cleanup_int(void)
154{
155 if (added == NULL)
156 return;
157 lh_ADDED_OBJ_set_down_load(added, 0);
158 lh_ADDED_OBJ_doall(added, cleanup1_doall); /* zero counters */
159 lh_ADDED_OBJ_doall(added, cleanup2_doall); /* set counters */
160 lh_ADDED_OBJ_doall(added, cleanup3_doall); /* free objects */
161 lh_ADDED_OBJ_free(added);
162 added = NULL;
163}
164
165int OBJ_new_nid(int num)
166{
167 int i;
168
169 i = new_nid;
170 new_nid += num;
171 return (i);
172}
173
174int OBJ_add_object(const ASN1_OBJECT *obj)
175{
176 ASN1_OBJECT *o;
177 ADDED_OBJ *ao[4] = { NULL, NULL, NULL, NULL }, *aop;
178 int i;
179
180 if (added == NULL)
181 if (!init_added())
182 return (0);
183 if ((o = OBJ_dup(obj)) == NULL)
184 goto err;
185 if ((ao[ADDED_NID] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
186 goto err2;
187 if ((o->length != 0) && (obj->data != NULL))
188 if ((ao[ADDED_DATA] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
189 goto err2;
190 if (o->sn != NULL)
191 if ((ao[ADDED_SNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
192 goto err2;
193 if (o->ln != NULL)
194 if ((ao[ADDED_LNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
195 goto err2;
196
197 for (i = ADDED_DATA; i <= ADDED_NID; i++) {
198 if (ao[i] != NULL) {
199 ao[i]->type = i;
200 ao[i]->obj = o;
201 aop = lh_ADDED_OBJ_insert(added, ao[i]);
202 /* memory leak, but should not normally matter */
203 OPENSSL_free(aop);
204 }
205 }
206 o->flags &=
207 ~(ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
208 ASN1_OBJECT_FLAG_DYNAMIC_DATA);
209
210 return (o->nid);
211 err2:
212 OBJerr(OBJ_F_OBJ_ADD_OBJECT, ERR_R_MALLOC_FAILURE);
213 err:
214 for (i = ADDED_DATA; i <= ADDED_NID; i++)
215 OPENSSL_free(ao[i]);
216 OPENSSL_free(o);
217 return (NID_undef);
218}
219
220ASN1_OBJECT *OBJ_nid2obj(int n)
221{
222 ADDED_OBJ ad, *adp;
223 ASN1_OBJECT ob;
224
225 if ((n >= 0) && (n < NUM_NID)) {
226 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
227 OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
228 return (NULL);
229 }
230 return ((ASN1_OBJECT *)&(nid_objs[n]));
231 } else if (added == NULL)
232 return (NULL);
233 else {
234 ad.type = ADDED_NID;
235 ad.obj = &ob;
236 ob.nid = n;
237 adp = lh_ADDED_OBJ_retrieve(added, &ad);
238 if (adp != NULL)
239 return (adp->obj);
240 else {
241 OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
242 return (NULL);
243 }
244 }
245}
246
247const char *OBJ_nid2sn(int n)
248{
249 ADDED_OBJ ad, *adp;
250 ASN1_OBJECT ob;
251
252 if ((n >= 0) && (n < NUM_NID)) {
253 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
254 OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
255 return (NULL);
256 }
257 return (nid_objs[n].sn);
258 } else if (added == NULL)
259 return (NULL);
260 else {
261 ad.type = ADDED_NID;
262 ad.obj = &ob;
263 ob.nid = n;
264 adp = lh_ADDED_OBJ_retrieve(added, &ad);
265 if (adp != NULL)
266 return (adp->obj->sn);
267 else {
268 OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
269 return (NULL);
270 }
271 }
272}
273
274const char *OBJ_nid2ln(int n)
275{
276 ADDED_OBJ ad, *adp;
277 ASN1_OBJECT ob;
278
279 if ((n >= 0) && (n < NUM_NID)) {
280 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
281 OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
282 return (NULL);
283 }
284 return (nid_objs[n].ln);
285 } else if (added == NULL)
286 return (NULL);
287 else {
288 ad.type = ADDED_NID;
289 ad.obj = &ob;
290 ob.nid = n;
291 adp = lh_ADDED_OBJ_retrieve(added, &ad);
292 if (adp != NULL)
293 return (adp->obj->ln);
294 else {
295 OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
296 return (NULL);
297 }
298 }
299}
300
301static int obj_cmp(const ASN1_OBJECT *const *ap, const unsigned int *bp)
302{
303 int j;
304 const ASN1_OBJECT *a = *ap;
305 const ASN1_OBJECT *b = &nid_objs[*bp];
306
307 j = (a->length - b->length);
308 if (j)
309 return (j);
310 if (a->length == 0)
311 return 0;
312 return (memcmp(a->data, b->data, a->length));
313}
314
315IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
316
317int OBJ_obj2nid(const ASN1_OBJECT *a)
318{
319 const unsigned int *op;
320 ADDED_OBJ ad, *adp;
321
322 if (a == NULL)
323 return (NID_undef);
324 if (a->nid != 0)
325 return (a->nid);
326
327 if (a->length == 0)
328 return NID_undef;
329
330 if (added != NULL) {
331 ad.type = ADDED_DATA;
332 ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
333 adp = lh_ADDED_OBJ_retrieve(added, &ad);
334 if (adp != NULL)
335 return (adp->obj->nid);
336 }
337 op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
338 if (op == NULL)
339 return (NID_undef);
340 return (nid_objs[*op].nid);
341}
342
343/*
344 * Convert an object name into an ASN1_OBJECT if "noname" is not set then
345 * search for short and long names first. This will convert the "dotted" form
346 * into an object: unlike OBJ_txt2nid it can be used with any objects, not
347 * just registered ones.
348 */
349
350ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
351{
352 int nid = NID_undef;
353 ASN1_OBJECT *op = NULL;
354 unsigned char *buf;
355 unsigned char *p;
356 const unsigned char *cp;
357 int i, j;
358
359 if (!no_name) {
360 if (((nid = OBJ_sn2nid(s)) != NID_undef) ||
361 ((nid = OBJ_ln2nid(s)) != NID_undef))
362 return OBJ_nid2obj(nid);
363 }
364
365 /* Work out size of content octets */
366 i = a2d_ASN1_OBJECT(NULL, 0, s, -1);
367 if (i <= 0) {
368 /* Don't clear the error */
369 /*
370 * ERR_clear_error();
371 */
372 return NULL;
373 }
374 /* Work out total size */
375 j = ASN1_object_size(0, i, V_ASN1_OBJECT);
376 if (j < 0)
377 return NULL;
378
379 if ((buf = OPENSSL_malloc(j)) == NULL)
380 return NULL;
381
382 p = buf;
383 /* Write out tag+length */
384 ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
385 /* Write out contents */
386 a2d_ASN1_OBJECT(p, i, s, -1);
387
388 cp = buf;
389 op = d2i_ASN1_OBJECT(NULL, &cp, j);
390 OPENSSL_free(buf);
391 return op;
392}
393
394int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
395{
396 int i, n = 0, len, nid, first, use_bn;
397 BIGNUM *bl;
398 unsigned long l;
399 const unsigned char *p;
400 char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2];
401
402 /* Ensure that, at every state, |buf| is NUL-terminated. */
403 if (buf && buf_len > 0)
404 buf[0] = '\0';
405
406 if ((a == NULL) || (a->data == NULL))
407 return (0);
408
409 if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) {
410 const char *s;
411 s = OBJ_nid2ln(nid);
412 if (s == NULL)
413 s = OBJ_nid2sn(nid);
414 if (s) {
415 if (buf)
416 OPENSSL_strlcpy(buf, s, buf_len);
417 n = strlen(s);
418 return n;
419 }
420 }
421
422 len = a->length;
423 p = a->data;
424
425 first = 1;
426 bl = NULL;
427
428 while (len > 0) {
429 l = 0;
430 use_bn = 0;
431 for (;;) {
432 unsigned char c = *p++;
433 len--;
434 if ((len == 0) && (c & 0x80))
435 goto err;
436 if (use_bn) {
437 if (!BN_add_word(bl, c & 0x7f))
438 goto err;
439 } else
440 l |= c & 0x7f;
441 if (!(c & 0x80))
442 break;
443 if (!use_bn && (l > (ULONG_MAX >> 7L))) {
444 if (bl == NULL && (bl = BN_new()) == NULL)
445 goto err;
446 if (!BN_set_word(bl, l))
447 goto err;
448 use_bn = 1;
449 }
450 if (use_bn) {
451 if (!BN_lshift(bl, bl, 7))
452 goto err;
453 } else
454 l <<= 7L;
455 }
456
457 if (first) {
458 first = 0;
459 if (l >= 80) {
460 i = 2;
461 if (use_bn) {
462 if (!BN_sub_word(bl, 80))
463 goto err;
464 } else
465 l -= 80;
466 } else {
467 i = (int)(l / 40);
468 l -= (long)(i * 40);
469 }
470 if (buf && (buf_len > 1)) {
471 *buf++ = i + '0';
472 *buf = '\0';
473 buf_len--;
474 }
475 n++;
476 }
477
478 if (use_bn) {
479 char *bndec;
480 bndec = BN_bn2dec(bl);
481 if (!bndec)
482 goto err;
483 i = strlen(bndec);
484 if (buf) {
485 if (buf_len > 1) {
486 *buf++ = '.';
487 *buf = '\0';
488 buf_len--;
489 }
490 OPENSSL_strlcpy(buf, bndec, buf_len);
491 if (i > buf_len) {
492 buf += buf_len;
493 buf_len = 0;
494 } else {
495 buf += i;
496 buf_len -= i;
497 }
498 }
499 n++;
500 n += i;
501 OPENSSL_free(bndec);
502 } else {
503 BIO_snprintf(tbuf, sizeof tbuf, ".%lu", l);
504 i = strlen(tbuf);
505 if (buf && (buf_len > 0)) {
506 OPENSSL_strlcpy(buf, tbuf, buf_len);
507 if (i > buf_len) {
508 buf += buf_len;
509 buf_len = 0;
510 } else {
511 buf += i;
512 buf_len -= i;
513 }
514 }
515 n += i;
516 l = 0;
517 }
518 }
519
520 BN_free(bl);
521 return n;
522
523 err:
524 BN_free(bl);
525 return -1;
526}
527
528int OBJ_txt2nid(const char *s)
529{
530 ASN1_OBJECT *obj;
531 int nid;
532 obj = OBJ_txt2obj(s, 0);
533 nid = OBJ_obj2nid(obj);
534 ASN1_OBJECT_free(obj);
535 return nid;
536}
537
538int OBJ_ln2nid(const char *s)
539{
540 ASN1_OBJECT o;
541 const ASN1_OBJECT *oo = &o;
542 ADDED_OBJ ad, *adp;
543 const unsigned int *op;
544
545 o.ln = s;
546 if (added != NULL) {
547 ad.type = ADDED_LNAME;
548 ad.obj = &o;
549 adp = lh_ADDED_OBJ_retrieve(added, &ad);
550 if (adp != NULL)
551 return (adp->obj->nid);
552 }
553 op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
554 if (op == NULL)
555 return (NID_undef);
556 return (nid_objs[*op].nid);
557}
558
559int OBJ_sn2nid(const char *s)
560{
561 ASN1_OBJECT o;
562 const ASN1_OBJECT *oo = &o;
563 ADDED_OBJ ad, *adp;
564 const unsigned int *op;
565
566 o.sn = s;
567 if (added != NULL) {
568 ad.type = ADDED_SNAME;
569 ad.obj = &o;
570 adp = lh_ADDED_OBJ_retrieve(added, &ad);
571 if (adp != NULL)
572 return (adp->obj->nid);
573 }
574 op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
575 if (op == NULL)
576 return (NID_undef);
577 return (nid_objs[*op].nid);
578}
579
580const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
581 int (*cmp) (const void *, const void *))
582{
583 return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
584}
585
586const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num,
587 int size,
588 int (*cmp) (const void *, const void *),
589 int flags)
590{
591 const char *base = base_;
592 int l, h, i = 0, c = 0;
593 const char *p = NULL;
594
595 if (num == 0)
596 return (NULL);
597 l = 0;
598 h = num;
599 while (l < h) {
600 i = (l + h) / 2;
601 p = &(base[i * size]);
602 c = (*cmp) (key, p);
603 if (c < 0)
604 h = i;
605 else if (c > 0)
606 l = i + 1;
607 else
608 break;
609 }
610#ifdef CHARSET_EBCDIC
611 /*
612 * THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and I
613 * don't have perl (yet), we revert to a *LINEAR* search when the object
614 * wasn't found in the binary search.
615 */
616 if (c != 0) {
617 for (i = 0; i < num; ++i) {
618 p = &(base[i * size]);
619 c = (*cmp) (key, p);
620 if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
621 return p;
622 }
623 }
624#endif
625 if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
626 p = NULL;
627 else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH)) {
628 while (i > 0 && (*cmp) (key, &(base[(i - 1) * size])) == 0)
629 i--;
630 p = &(base[i * size]);
631 }
632 return (p);
633}
634
635int OBJ_create_objects(BIO *in)
636{
637 char buf[512];
638 int i, num = 0;
639 char *o, *s, *l = NULL;
640
641 for (;;) {
642 s = o = NULL;
643 i = BIO_gets(in, buf, 512);
644 if (i <= 0)
645 return (num);
646 buf[i - 1] = '\0';
647 if (!isalnum((unsigned char)buf[0]))
648 return (num);
649 o = s = buf;
650 while (isdigit((unsigned char)*s) || (*s == '.'))
651 s++;
652 if (*s != '\0') {
653 *(s++) = '\0';
654 while (isspace((unsigned char)*s))
655 s++;
656 if (*s == '\0')
657 s = NULL;
658 else {
659 l = s;
660 while ((*l != '\0') && !isspace((unsigned char)*l))
661 l++;
662 if (*l != '\0') {
663 *(l++) = '\0';
664 while (isspace((unsigned char)*l))
665 l++;
666 if (*l == '\0')
667 l = NULL;
668 } else
669 l = NULL;
670 }
671 } else
672 s = NULL;
673 if ((o == NULL) || (*o == '\0'))
674 return (num);
675 if (!OBJ_create(o, s, l))
676 return (num);
677 num++;
678 }
679 /* return(num); */
680}
681
682int OBJ_create(const char *oid, const char *sn, const char *ln)
683{
684 ASN1_OBJECT *tmpoid = NULL;
685 int ok = 0;
686
687 /* Check to see if short or long name already present */
688 if (OBJ_sn2nid(sn) != NID_undef || OBJ_ln2nid(ln) != NID_undef) {
689 OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
690 return 0;
691 }
692
693 /* Convert numerical OID string to an ASN1_OBJECT structure */
694 tmpoid = OBJ_txt2obj(oid, 1);
695
696 /* If NID is not NID_undef then object already exists */
697 if (OBJ_obj2nid(tmpoid) != NID_undef) {
698 OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
699 goto err;
700 }
701
702 tmpoid->nid = OBJ_new_nid(1);
703 tmpoid->sn = (char *)sn;
704 tmpoid->ln = (char *)ln;
705
706 ok = OBJ_add_object(tmpoid);
707
708 tmpoid->sn = NULL;
709 tmpoid->ln = NULL;
710
711 err:
712 ASN1_OBJECT_free(tmpoid);
713 return ok;
714}
715
716size_t OBJ_length(const ASN1_OBJECT *obj)
717{
718 if (obj == NULL)
719 return 0;
720 return obj->length;
721}
722
723const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj)
724{
725 if (obj == NULL)
726 return NULL;
727 return obj->data;
728}
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