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"
69 /* obj_dat.h is generated from objects.h by obj_dat.pl */
72 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
73 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
74 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
81 typedef struct added_obj_st {
85 DECLARE_LHASH_OF(ADDED_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 IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ)
139 static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
144 i = ca->type - cb->type;
151 i = (a->length - b->length);
154 return (memcmp(a->data, b->data, (size_t)a->length));
158 else if (b->sn == NULL)
161 return (strcmp(a->sn, b->sn));
165 else if (b->ln == NULL)
168 return (strcmp(a->ln, b->ln));
170 return (a->nid - b->nid);
177 static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ)
179 static int init_added(void)
183 added = lh_ADDED_OBJ_new();
184 return (added != NULL);
187 static void cleanup1_doall(ADDED_OBJ *a)
190 a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC |
191 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA;
194 static void cleanup2_doall(ADDED_OBJ *a)
199 static void cleanup3_doall(ADDED_OBJ *a)
201 if (--a->obj->nid == 0)
202 ASN1_OBJECT_free(a->obj);
206 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ)
207 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ)
208 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ)
211 * The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting to
212 * use freed up OIDs. If necessary the actual freeing up of OIDs is delayed.
214 int obj_cleanup_defer = 0;
216 void check_defer(int nid)
218 if (!obj_cleanup_defer && nid >= NUM_NID)
219 obj_cleanup_defer = 1;
222 void OBJ_cleanup(void)
224 if (obj_cleanup_defer) {
225 obj_cleanup_defer = 2;
230 lh_ADDED_OBJ_down_load(added) = 0;
231 lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup1)); /* zero counters */
232 lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup2)); /* set counters */
233 lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup3)); /* free objects */
234 lh_ADDED_OBJ_free(added);
238 int OBJ_new_nid(int num)
247 int OBJ_add_object(const ASN1_OBJECT *obj)
250 ADDED_OBJ *ao[4] = { NULL, NULL, NULL, NULL }, *aop;
256 if ((o = OBJ_dup(obj)) == NULL)
258 if ((ao[ADDED_NID] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
260 if ((o->length != 0) && (obj->data != NULL))
261 if ((ao[ADDED_DATA] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
264 if ((ao[ADDED_SNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
267 if ((ao[ADDED_LNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
270 for (i = ADDED_DATA; i <= ADDED_NID; i++) {
274 aop = lh_ADDED_OBJ_insert(added, ao[i]);
275 /* memory leak, buit should not normally matter */
280 ~(ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
281 ASN1_OBJECT_FLAG_DYNAMIC_DATA);
285 OBJerr(OBJ_F_OBJ_ADD_OBJECT, ERR_R_MALLOC_FAILURE);
287 for (i = ADDED_DATA; i <= ADDED_NID; i++)
293 ASN1_OBJECT *OBJ_nid2obj(int n)
298 if ((n >= 0) && (n < NUM_NID)) {
299 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
300 OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
303 return ((ASN1_OBJECT *)&(nid_objs[n]));
304 } else if (added == NULL)
310 adp = lh_ADDED_OBJ_retrieve(added, &ad);
314 OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
320 const char *OBJ_nid2sn(int n)
325 if ((n >= 0) && (n < NUM_NID)) {
326 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
327 OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
330 return (nid_objs[n].sn);
331 } else if (added == NULL)
337 adp = lh_ADDED_OBJ_retrieve(added, &ad);
339 return (adp->obj->sn);
341 OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
347 const char *OBJ_nid2ln(int n)
352 if ((n >= 0) && (n < NUM_NID)) {
353 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
354 OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
357 return (nid_objs[n].ln);
358 } else if (added == NULL)
364 adp = lh_ADDED_OBJ_retrieve(added, &ad);
366 return (adp->obj->ln);
368 OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
374 static int obj_cmp(const ASN1_OBJECT *const *ap, const unsigned int *bp)
377 const ASN1_OBJECT *a = *ap;
378 const ASN1_OBJECT *b = &nid_objs[*bp];
380 j = (a->length - b->length);
385 return (memcmp(a->data, b->data, a->length));
388 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
390 int OBJ_obj2nid(const ASN1_OBJECT *a)
392 const unsigned int *op;
404 ad.type = ADDED_DATA;
405 ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
406 adp = lh_ADDED_OBJ_retrieve(added, &ad);
408 return (adp->obj->nid);
410 op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
413 return (nid_objs[*op].nid);
417 * Convert an object name into an ASN1_OBJECT if "noname" is not set then
418 * search for short and long names first. This will convert the "dotted" form
419 * into an object: unlike OBJ_txt2nid it can be used with any objects, not
420 * just registered ones.
423 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
426 ASN1_OBJECT *op = NULL;
429 const unsigned char *cp;
433 if (((nid = OBJ_sn2nid(s)) != NID_undef) ||
434 ((nid = OBJ_ln2nid(s)) != NID_undef))
435 return OBJ_nid2obj(nid);
438 /* Work out size of content octets */
439 i = a2d_ASN1_OBJECT(NULL, 0, s, -1);
441 /* Don't clear the error */
447 /* Work out total size */
448 j = ASN1_object_size(0, i, V_ASN1_OBJECT);
450 if ((buf = OPENSSL_malloc(j)) == NULL)
454 /* Write out tag+length */
455 ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
456 /* Write out contents */
457 a2d_ASN1_OBJECT(p, i, s, -1);
460 op = d2i_ASN1_OBJECT(NULL, &cp, j);
465 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
467 int i, n = 0, len, nid, first, use_bn;
470 const unsigned char *p;
471 char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2];
473 /* Ensure that, at every state, |buf| is NUL-terminated. */
474 if (buf && buf_len > 0)
477 if ((a == NULL) || (a->data == NULL))
480 if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) {
487 BUF_strlcpy(buf, s, buf_len);
503 unsigned char c = *p++;
505 if ((len == 0) && (c & 0x80))
508 if (!BN_add_word(bl, c & 0x7f))
514 if (!use_bn && (l > (ULONG_MAX >> 7L))) {
515 if (bl == NULL && (bl = BN_new()) == NULL)
517 if (!BN_set_word(bl, l))
522 if (!BN_lshift(bl, bl, 7))
533 if (!BN_sub_word(bl, 80))
541 if (buf && (buf_len > 1)) {
551 bndec = BN_bn2dec(bl);
561 BUF_strlcpy(buf, bndec, buf_len);
574 BIO_snprintf(tbuf, sizeof tbuf, ".%lu", l);
576 if (buf && (buf_len > 0)) {
577 BUF_strlcpy(buf, tbuf, buf_len);
599 int OBJ_txt2nid(const char *s)
603 obj = OBJ_txt2obj(s, 0);
604 nid = OBJ_obj2nid(obj);
605 ASN1_OBJECT_free(obj);
609 int OBJ_ln2nid(const char *s)
612 const ASN1_OBJECT *oo = &o;
614 const unsigned int *op;
618 ad.type = ADDED_LNAME;
620 adp = lh_ADDED_OBJ_retrieve(added, &ad);
622 return (adp->obj->nid);
624 op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
627 return (nid_objs[*op].nid);
630 int OBJ_sn2nid(const char *s)
633 const ASN1_OBJECT *oo = &o;
635 const unsigned int *op;
639 ad.type = ADDED_SNAME;
641 adp = lh_ADDED_OBJ_retrieve(added, &ad);
643 return (adp->obj->nid);
645 op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
648 return (nid_objs[*op].nid);
651 const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
652 int (*cmp) (const void *, const void *))
654 return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
657 const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num,
659 int (*cmp) (const void *, const void *),
662 const char *base = base_;
663 int l, h, i = 0, c = 0;
664 const char *p = NULL;
672 p = &(base[i * size]);
681 #ifdef CHARSET_EBCDIC
683 * THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and I
684 * don't have perl (yet), we revert to a *LINEAR* search when the object
685 * wasn't found in the binary search.
688 for (i = 0; i < num; ++i) {
689 p = &(base[i * size]);
691 if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
696 if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
698 else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH)) {
699 while (i > 0 && (*cmp) (key, &(base[(i - 1) * size])) == 0)
701 p = &(base[i * size]);
706 int OBJ_create_objects(BIO *in)
710 char *o, *s, *l = NULL;
714 i = BIO_gets(in, buf, 512);
718 if (!isalnum((unsigned char)buf[0]))
721 while (isdigit((unsigned char)*s) || (*s == '.'))
725 while (isspace((unsigned char)*s))
731 while ((*l != '\0') && !isspace((unsigned char)*l))
735 while (isspace((unsigned char)*l))
744 if ((o == NULL) || (*o == '\0'))
746 if (!OBJ_create(o, s, l))
753 int OBJ_create(const char *oid, const char *sn, const char *ln)
756 ASN1_OBJECT *op = NULL;
760 i = a2d_ASN1_OBJECT(NULL, 0, oid, -1);
764 if ((buf = OPENSSL_malloc(i)) == NULL) {
765 OBJerr(OBJ_F_OBJ_CREATE, ERR_R_MALLOC_FAILURE);
768 i = a2d_ASN1_OBJECT(buf, i, oid, -1);
771 op = (ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1), buf, i, sn, ln);
774 ok = OBJ_add_object(op);
776 ASN1_OBJECT_free(op);
781 size_t OBJ_length(const ASN1_OBJECT *obj)
788 const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj)