1 /* crypto/objects/obj_dat.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
62 #include "internal/cryptlib.h"
63 #include <openssl/lhash.h>
64 #include <openssl/asn1.h>
65 #include <openssl/objects.h>
66 #include <openssl/bn.h>
67 #include "internal/asn1_int.h"
70 /* obj_dat.h is generated from objects.h by obj_dat.pl */
73 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
74 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
75 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
87 static int new_nid = NUM_NID;
88 static LHASH_OF(ADDED_OBJ) *added = NULL;
90 static int sn_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
92 return (strcmp((*a)->sn, nid_objs[*b].sn));
95 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
97 static int ln_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
99 return (strcmp((*a)->ln, nid_objs[*b].ln));
102 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
104 static unsigned long added_obj_hash(const ADDED_OBJ *ca)
106 const ASN1_OBJECT *a;
108 unsigned long ret = 0;
114 ret = a->length << 20L;
115 p = (unsigned char *)a->data;
116 for (i = 0; i < a->length; i++)
117 ret ^= p[i] << ((i * 3) % 24);
120 ret = lh_strhash(a->sn);
123 ret = lh_strhash(a->ln);
133 ret |= ((unsigned long)ca->type) << 30L;
137 static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
142 i = ca->type - cb->type;
149 i = (a->length - b->length);
152 return (memcmp(a->data, b->data, (size_t)a->length));
156 else if (b->sn == NULL)
159 return (strcmp(a->sn, b->sn));
163 else if (b->ln == NULL)
166 return (strcmp(a->ln, b->ln));
168 return (a->nid - b->nid);
175 static int init_added(void)
179 added = lh_ADDED_OBJ_new(added_obj_hash, added_obj_cmp);
180 return (added != NULL);
183 static void cleanup1_doall(ADDED_OBJ *a)
186 a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC |
187 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA;
190 static void cleanup2_doall(ADDED_OBJ *a)
195 static void cleanup3_doall(ADDED_OBJ *a)
197 if (--a->obj->nid == 0)
198 ASN1_OBJECT_free(a->obj);
203 * The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting to
204 * use freed up OIDs. If necessary the actual freeing up of OIDs is delayed.
206 int obj_cleanup_defer = 0;
208 void check_defer(int nid)
210 if (!obj_cleanup_defer && nid >= NUM_NID)
211 obj_cleanup_defer = 1;
214 void OBJ_cleanup(void)
216 if (obj_cleanup_defer) {
217 obj_cleanup_defer = 2;
222 lh_ADDED_OBJ_set_down_load(added, 0);
223 lh_ADDED_OBJ_doall(added, cleanup1_doall); /* zero counters */
224 lh_ADDED_OBJ_doall(added, cleanup2_doall); /* set counters */
225 lh_ADDED_OBJ_doall(added, cleanup3_doall); /* free objects */
226 lh_ADDED_OBJ_free(added);
230 int OBJ_new_nid(int num)
239 int OBJ_add_object(const ASN1_OBJECT *obj)
242 ADDED_OBJ *ao[4] = { NULL, NULL, NULL, NULL }, *aop;
248 if ((o = OBJ_dup(obj)) == NULL)
250 if ((ao[ADDED_NID] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
252 if ((o->length != 0) && (obj->data != NULL))
253 if ((ao[ADDED_DATA] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
256 if ((ao[ADDED_SNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
259 if ((ao[ADDED_LNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
262 for (i = ADDED_DATA; i <= ADDED_NID; i++) {
266 aop = lh_ADDED_OBJ_insert(added, ao[i]);
267 /* memory leak, buit should not normally matter */
272 ~(ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
273 ASN1_OBJECT_FLAG_DYNAMIC_DATA);
277 OBJerr(OBJ_F_OBJ_ADD_OBJECT, ERR_R_MALLOC_FAILURE);
279 for (i = ADDED_DATA; i <= ADDED_NID; i++)
285 ASN1_OBJECT *OBJ_nid2obj(int n)
290 if ((n >= 0) && (n < NUM_NID)) {
291 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
292 OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
295 return ((ASN1_OBJECT *)&(nid_objs[n]));
296 } else if (added == NULL)
302 adp = lh_ADDED_OBJ_retrieve(added, &ad);
306 OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
312 const char *OBJ_nid2sn(int n)
317 if ((n >= 0) && (n < NUM_NID)) {
318 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
319 OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
322 return (nid_objs[n].sn);
323 } else if (added == NULL)
329 adp = lh_ADDED_OBJ_retrieve(added, &ad);
331 return (adp->obj->sn);
333 OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
339 const char *OBJ_nid2ln(int n)
344 if ((n >= 0) && (n < NUM_NID)) {
345 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
346 OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
349 return (nid_objs[n].ln);
350 } else if (added == NULL)
356 adp = lh_ADDED_OBJ_retrieve(added, &ad);
358 return (adp->obj->ln);
360 OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
366 static int obj_cmp(const ASN1_OBJECT *const *ap, const unsigned int *bp)
369 const ASN1_OBJECT *a = *ap;
370 const ASN1_OBJECT *b = &nid_objs[*bp];
372 j = (a->length - b->length);
377 return (memcmp(a->data, b->data, a->length));
380 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
382 int OBJ_obj2nid(const ASN1_OBJECT *a)
384 const unsigned int *op;
396 ad.type = ADDED_DATA;
397 ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
398 adp = lh_ADDED_OBJ_retrieve(added, &ad);
400 return (adp->obj->nid);
402 op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
405 return (nid_objs[*op].nid);
409 * Convert an object name into an ASN1_OBJECT if "noname" is not set then
410 * search for short and long names first. This will convert the "dotted" form
411 * into an object: unlike OBJ_txt2nid it can be used with any objects, not
412 * just registered ones.
415 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
418 ASN1_OBJECT *op = NULL;
421 const unsigned char *cp;
425 if (((nid = OBJ_sn2nid(s)) != NID_undef) ||
426 ((nid = OBJ_ln2nid(s)) != NID_undef))
427 return OBJ_nid2obj(nid);
430 /* Work out size of content octets */
431 i = a2d_ASN1_OBJECT(NULL, 0, s, -1);
433 /* Don't clear the error */
439 /* Work out total size */
440 j = ASN1_object_size(0, i, V_ASN1_OBJECT);
442 if ((buf = OPENSSL_malloc(j)) == NULL)
446 /* Write out tag+length */
447 ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
448 /* Write out contents */
449 a2d_ASN1_OBJECT(p, i, s, -1);
452 op = d2i_ASN1_OBJECT(NULL, &cp, j);
457 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
459 int i, n = 0, len, nid, first, use_bn;
462 const unsigned char *p;
463 char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2];
465 /* Ensure that, at every state, |buf| is NUL-terminated. */
466 if (buf && buf_len > 0)
469 if ((a == NULL) || (a->data == NULL))
472 if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) {
479 OPENSSL_strlcpy(buf, s, buf_len);
495 unsigned char c = *p++;
497 if ((len == 0) && (c & 0x80))
500 if (!BN_add_word(bl, c & 0x7f))
506 if (!use_bn && (l > (ULONG_MAX >> 7L))) {
507 if (bl == NULL && (bl = BN_new()) == NULL)
509 if (!BN_set_word(bl, l))
514 if (!BN_lshift(bl, bl, 7))
525 if (!BN_sub_word(bl, 80))
533 if (buf && (buf_len > 1)) {
543 bndec = BN_bn2dec(bl);
553 OPENSSL_strlcpy(buf, bndec, buf_len);
566 BIO_snprintf(tbuf, sizeof tbuf, ".%lu", l);
568 if (buf && (buf_len > 0)) {
569 OPENSSL_strlcpy(buf, tbuf, buf_len);
591 int OBJ_txt2nid(const char *s)
595 obj = OBJ_txt2obj(s, 0);
596 nid = OBJ_obj2nid(obj);
597 ASN1_OBJECT_free(obj);
601 int OBJ_ln2nid(const char *s)
604 const ASN1_OBJECT *oo = &o;
606 const unsigned int *op;
610 ad.type = ADDED_LNAME;
612 adp = lh_ADDED_OBJ_retrieve(added, &ad);
614 return (adp->obj->nid);
616 op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
619 return (nid_objs[*op].nid);
622 int OBJ_sn2nid(const char *s)
625 const ASN1_OBJECT *oo = &o;
627 const unsigned int *op;
631 ad.type = ADDED_SNAME;
633 adp = lh_ADDED_OBJ_retrieve(added, &ad);
635 return (adp->obj->nid);
637 op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
640 return (nid_objs[*op].nid);
643 const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
644 int (*cmp) (const void *, const void *))
646 return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
649 const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num,
651 int (*cmp) (const void *, const void *),
654 const char *base = base_;
655 int l, h, i = 0, c = 0;
656 const char *p = NULL;
664 p = &(base[i * size]);
673 #ifdef CHARSET_EBCDIC
675 * THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and I
676 * don't have perl (yet), we revert to a *LINEAR* search when the object
677 * wasn't found in the binary search.
680 for (i = 0; i < num; ++i) {
681 p = &(base[i * size]);
683 if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
688 if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
690 else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH)) {
691 while (i > 0 && (*cmp) (key, &(base[(i - 1) * size])) == 0)
693 p = &(base[i * size]);
698 int OBJ_create_objects(BIO *in)
702 char *o, *s, *l = NULL;
706 i = BIO_gets(in, buf, 512);
710 if (!isalnum((unsigned char)buf[0]))
713 while (isdigit((unsigned char)*s) || (*s == '.'))
717 while (isspace((unsigned char)*s))
723 while ((*l != '\0') && !isspace((unsigned char)*l))
727 while (isspace((unsigned char)*l))
736 if ((o == NULL) || (*o == '\0'))
738 if (!OBJ_create(o, s, l))
745 int OBJ_create(const char *oid, const char *sn, const char *ln)
748 ASN1_OBJECT *op = NULL;
752 i = a2d_ASN1_OBJECT(NULL, 0, oid, -1);
756 if ((buf = OPENSSL_malloc(i)) == NULL) {
757 OBJerr(OBJ_F_OBJ_CREATE, ERR_R_MALLOC_FAILURE);
760 i = a2d_ASN1_OBJECT(buf, i, oid, -1);
763 op = (ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1), buf, i, sn, ln);
766 ok = OBJ_add_object(op);
768 ASN1_OBJECT_free(op);
773 size_t OBJ_length(const ASN1_OBJECT *obj)
780 const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj)