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d02b48c6 | 1 | /* crypto/objects/obj_dat.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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. | |
ae5c8664 | 8 | * |
d02b48c6 RE |
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). | |
ae5c8664 | 15 | * |
d02b48c6 RE |
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. | |
ae5c8664 | 22 | * |
d02b48c6 RE |
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 :-). | |
ae5c8664 | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
ae5c8664 | 40 | * |
d02b48c6 RE |
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. | |
ae5c8664 | 52 | * |
d02b48c6 RE |
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> | |
58964a49 | 60 | #include <ctype.h> |
452ae49d | 61 | #include <limits.h> |
d02b48c6 | 62 | #include "cryptlib.h" |
ec577822 BM |
63 | #include <openssl/lhash.h> |
64 | #include <openssl/asn1.h> | |
65 | #include <openssl/objects.h> | |
1e26a8ba | 66 | #include <openssl/bn.h> |
d02b48c6 RE |
67 | |
68 | /* obj_dat.h is generated from objects.h by obj_dat.pl */ | |
cf1b7d96 | 69 | #ifndef OPENSSL_NO_OBJECT |
ae5c8664 | 70 | # include "obj_dat.h" |
dfeab068 RE |
71 | #else |
72 | /* You will have to load all the objects needed manually in the application */ | |
ae5c8664 MC |
73 | # define NUM_NID 0 |
74 | # define NUM_SN 0 | |
75 | # define NUM_LN 0 | |
76 | # define NUM_OBJ 0 | |
26f0cf69 AP |
77 | static const unsigned char lvalues[1]; |
78 | static const ASN1_OBJECT nid_objs[1]; | |
79 | static const unsigned int sn_objs[1]; | |
80 | static const unsigned int ln_objs[1]; | |
81 | static const unsigned int obj_objs[1]; | |
dfeab068 | 82 | #endif |
d02b48c6 | 83 | |
e19106f5 DSH |
84 | DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn); |
85 | DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln); | |
86 | DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj); | |
babb3798 | 87 | |
ae5c8664 MC |
88 | #define ADDED_DATA 0 |
89 | #define ADDED_SNAME 1 | |
90 | #define ADDED_LNAME 2 | |
91 | #define ADDED_NID 3 | |
d02b48c6 | 92 | |
ae5c8664 MC |
93 | typedef struct added_obj_st { |
94 | int type; | |
95 | ASN1_OBJECT *obj; | |
96 | } ADDED_OBJ; | |
3c1d6bbc | 97 | DECLARE_LHASH_OF(ADDED_OBJ); |
d02b48c6 | 98 | |
ae5c8664 MC |
99 | static int new_nid = NUM_NID; |
100 | static LHASH_OF(ADDED_OBJ) *added = NULL; | |
d02b48c6 | 101 | |
ae5c8664 MC |
102 | static int sn_cmp(const ASN1_OBJECT *const *a, const unsigned int *b) |
103 | { | |
104 | return (strcmp((*a)->sn, nid_objs[*b].sn)); | |
105 | } | |
d02b48c6 | 106 | |
e19106f5 | 107 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn); |
babb3798 | 108 | |
ae5c8664 MC |
109 | static int ln_cmp(const ASN1_OBJECT *const *a, const unsigned int *b) |
110 | { | |
111 | return (strcmp((*a)->ln, nid_objs[*b].ln)); | |
112 | } | |
babb3798 | 113 | |
e19106f5 | 114 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln); |
d02b48c6 | 115 | |
3c1d6bbc | 116 | static unsigned long added_obj_hash(const ADDED_OBJ *ca) |
ae5c8664 MC |
117 | { |
118 | const ASN1_OBJECT *a; | |
119 | int i; | |
120 | unsigned long ret = 0; | |
121 | unsigned char *p; | |
122 | ||
123 | a = ca->obj; | |
124 | switch (ca->type) { | |
125 | case ADDED_DATA: | |
126 | ret = a->length << 20L; | |
127 | p = (unsigned char *)a->data; | |
128 | for (i = 0; i < a->length; i++) | |
129 | ret ^= p[i] << ((i * 3) % 24); | |
130 | break; | |
131 | case ADDED_SNAME: | |
132 | ret = lh_strhash(a->sn); | |
133 | break; | |
134 | case ADDED_LNAME: | |
135 | ret = lh_strhash(a->ln); | |
136 | break; | |
137 | case ADDED_NID: | |
138 | ret = a->nid; | |
139 | break; | |
140 | default: | |
141 | /* abort(); */ | |
142 | return 0; | |
143 | } | |
144 | ret &= 0x3fffffffL; | |
145 | ret |= ((unsigned long)ca->type) << 30L; | |
146 | return (ret); | |
147 | } | |
148 | ||
3c1d6bbc | 149 | static IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ) |
d02b48c6 | 150 | |
3c1d6bbc | 151 | static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb) |
ae5c8664 MC |
152 | { |
153 | ASN1_OBJECT *a, *b; | |
154 | int i; | |
155 | ||
156 | i = ca->type - cb->type; | |
157 | if (i) | |
158 | return (i); | |
159 | a = ca->obj; | |
160 | b = cb->obj; | |
161 | switch (ca->type) { | |
162 | case ADDED_DATA: | |
163 | i = (a->length - b->length); | |
164 | if (i) | |
165 | return (i); | |
166 | return (memcmp(a->data, b->data, (size_t)a->length)); | |
167 | case ADDED_SNAME: | |
168 | if (a->sn == NULL) | |
169 | return (-1); | |
170 | else if (b->sn == NULL) | |
171 | return (1); | |
172 | else | |
173 | return (strcmp(a->sn, b->sn)); | |
174 | case ADDED_LNAME: | |
175 | if (a->ln == NULL) | |
176 | return (-1); | |
177 | else if (b->ln == NULL) | |
178 | return (1); | |
179 | else | |
180 | return (strcmp(a->ln, b->ln)); | |
181 | case ADDED_NID: | |
182 | return (a->nid - b->nid); | |
183 | default: | |
184 | /* abort(); */ | |
185 | return 0; | |
186 | } | |
187 | } | |
188 | ||
3c1d6bbc | 189 | static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ) |
d02b48c6 | 190 | |
6b691a5c | 191 | static int init_added(void) |
ae5c8664 MC |
192 | { |
193 | if (added != NULL) | |
194 | return (1); | |
195 | added = lh_ADDED_OBJ_new(); | |
196 | return (added != NULL); | |
197 | } | |
d02b48c6 | 198 | |
3c1d6bbc | 199 | static void cleanup1_doall(ADDED_OBJ *a) |
ae5c8664 MC |
200 | { |
201 | a->obj->nid = 0; | |
202 | a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC | | |
203 | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA; | |
204 | } | |
d02b48c6 | 205 | |
3c1d6bbc | 206 | static void cleanup2_doall(ADDED_OBJ *a) |
ae5c8664 MC |
207 | { |
208 | a->obj->nid++; | |
209 | } | |
d02b48c6 | 210 | |
3c1d6bbc | 211 | static void cleanup3_doall(ADDED_OBJ *a) |
ae5c8664 MC |
212 | { |
213 | if (--a->obj->nid == 0) | |
214 | ASN1_OBJECT_free(a->obj); | |
215 | OPENSSL_free(a); | |
216 | } | |
d02b48c6 | 217 | |
3c1d6bbc BL |
218 | static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ) |
219 | static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ) | |
220 | static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ) | |
3c914840 | 221 | |
ae5c8664 MC |
222 | /* |
223 | * The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting to | |
224 | * use freed up OIDs. If neccessary the actual freeing up of OIDs is delayed. | |
246e0931 | 225 | */ |
246e0931 DSH |
226 | int obj_cleanup_defer = 0; |
227 | ||
228 | void check_defer(int nid) | |
ae5c8664 MC |
229 | { |
230 | if (!obj_cleanup_defer && nid >= NUM_NID) | |
231 | obj_cleanup_defer = 1; | |
232 | } | |
246e0931 | 233 | |
6b691a5c | 234 | void OBJ_cleanup(void) |
ae5c8664 MC |
235 | { |
236 | if (obj_cleanup_defer) { | |
237 | obj_cleanup_defer = 2; | |
238 | return; | |
239 | } | |
240 | if (added == NULL) | |
241 | return; | |
242 | lh_ADDED_OBJ_down_load(added) = 0; | |
243 | lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup1)); /* zero counters */ | |
244 | lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup2)); /* set counters */ | |
245 | lh_ADDED_OBJ_doall(added, LHASH_DOALL_FN(cleanup3)); /* free objects */ | |
246 | lh_ADDED_OBJ_free(added); | |
247 | added = NULL; | |
248 | } | |
d02b48c6 | 249 | |
6b691a5c | 250 | int OBJ_new_nid(int num) |
ae5c8664 MC |
251 | { |
252 | int i; | |
d02b48c6 | 253 | |
ae5c8664 MC |
254 | i = new_nid; |
255 | new_nid += num; | |
256 | return (i); | |
257 | } | |
d02b48c6 | 258 | |
8d28d5f8 | 259 | int OBJ_add_object(const ASN1_OBJECT *obj) |
ae5c8664 MC |
260 | { |
261 | ASN1_OBJECT *o; | |
262 | ADDED_OBJ *ao[4] = { NULL, NULL, NULL, NULL }, *aop; | |
263 | int i; | |
264 | ||
265 | if (added == NULL) | |
266 | if (!init_added()) | |
267 | return (0); | |
268 | if ((o = OBJ_dup(obj)) == NULL) | |
269 | goto err; | |
270 | if (!(ao[ADDED_NID] = (ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) | |
271 | goto err2; | |
272 | if ((o->length != 0) && (obj->data != NULL)) | |
273 | if (! | |
274 | (ao[ADDED_DATA] = (ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) | |
275 | goto err2; | |
276 | if (o->sn != NULL) | |
277 | if (! | |
278 | (ao[ADDED_SNAME] = | |
279 | (ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) | |
280 | goto err2; | |
281 | if (o->ln != NULL) | |
282 | if (! | |
283 | (ao[ADDED_LNAME] = | |
284 | (ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) | |
285 | goto err2; | |
286 | ||
287 | for (i = ADDED_DATA; i <= ADDED_NID; i++) { | |
288 | if (ao[i] != NULL) { | |
289 | ao[i]->type = i; | |
290 | ao[i]->obj = o; | |
291 | aop = lh_ADDED_OBJ_insert(added, ao[i]); | |
292 | /* memory leak, buit should not normally matter */ | |
293 | if (aop != NULL) | |
294 | OPENSSL_free(aop); | |
295 | } | |
296 | } | |
297 | o->flags &= | |
298 | ~(ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | | |
299 | ASN1_OBJECT_FLAG_DYNAMIC_DATA); | |
300 | ||
301 | return (o->nid); | |
302 | err2: | |
303 | OBJerr(OBJ_F_OBJ_ADD_OBJECT, ERR_R_MALLOC_FAILURE); | |
304 | err: | |
305 | for (i = ADDED_DATA; i <= ADDED_NID; i++) | |
306 | if (ao[i] != NULL) | |
307 | OPENSSL_free(ao[i]); | |
308 | if (o != NULL) | |
309 | OPENSSL_free(o); | |
310 | return (NID_undef); | |
311 | } | |
d02b48c6 | 312 | |
6b691a5c | 313 | ASN1_OBJECT *OBJ_nid2obj(int n) |
ae5c8664 MC |
314 | { |
315 | ADDED_OBJ ad, *adp; | |
316 | ASN1_OBJECT ob; | |
317 | ||
318 | if ((n >= 0) && (n < NUM_NID)) { | |
319 | if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) { | |
320 | OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID); | |
321 | return (NULL); | |
322 | } | |
323 | return ((ASN1_OBJECT *)&(nid_objs[n])); | |
324 | } else if (added == NULL) | |
325 | return (NULL); | |
326 | else { | |
327 | ad.type = ADDED_NID; | |
328 | ad.obj = &ob; | |
329 | ob.nid = n; | |
330 | adp = lh_ADDED_OBJ_retrieve(added, &ad); | |
331 | if (adp != NULL) | |
332 | return (adp->obj); | |
333 | else { | |
334 | OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID); | |
335 | return (NULL); | |
336 | } | |
337 | } | |
338 | } | |
d02b48c6 | 339 | |
6b691a5c | 340 | const char *OBJ_nid2sn(int n) |
ae5c8664 MC |
341 | { |
342 | ADDED_OBJ ad, *adp; | |
343 | ASN1_OBJECT ob; | |
344 | ||
345 | if ((n >= 0) && (n < NUM_NID)) { | |
346 | if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) { | |
347 | OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID); | |
348 | return (NULL); | |
349 | } | |
350 | return (nid_objs[n].sn); | |
351 | } else if (added == NULL) | |
352 | return (NULL); | |
353 | else { | |
354 | ad.type = ADDED_NID; | |
355 | ad.obj = &ob; | |
356 | ob.nid = n; | |
357 | adp = lh_ADDED_OBJ_retrieve(added, &ad); | |
358 | if (adp != NULL) | |
359 | return (adp->obj->sn); | |
360 | else { | |
361 | OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID); | |
362 | return (NULL); | |
363 | } | |
364 | } | |
365 | } | |
d02b48c6 | 366 | |
6b691a5c | 367 | const char *OBJ_nid2ln(int n) |
ae5c8664 MC |
368 | { |
369 | ADDED_OBJ ad, *adp; | |
370 | ASN1_OBJECT ob; | |
371 | ||
372 | if ((n >= 0) && (n < NUM_NID)) { | |
373 | if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) { | |
374 | OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID); | |
375 | return (NULL); | |
376 | } | |
377 | return (nid_objs[n].ln); | |
378 | } else if (added == NULL) | |
379 | return (NULL); | |
380 | else { | |
381 | ad.type = ADDED_NID; | |
382 | ad.obj = &ob; | |
383 | ob.nid = n; | |
384 | adp = lh_ADDED_OBJ_retrieve(added, &ad); | |
385 | if (adp != NULL) | |
386 | return (adp->obj->ln); | |
387 | else { | |
388 | OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID); | |
389 | return (NULL); | |
390 | } | |
391 | } | |
392 | } | |
393 | ||
394 | static int obj_cmp(const ASN1_OBJECT *const *ap, const unsigned int *bp) | |
395 | { | |
396 | int j; | |
397 | const ASN1_OBJECT *a = *ap; | |
398 | const ASN1_OBJECT *b = &nid_objs[*bp]; | |
399 | ||
400 | j = (a->length - b->length); | |
401 | if (j) | |
402 | return (j); | |
eba8bf48 HB |
403 | if (a->length == 0) |
404 | return 0; | |
ae5c8664 MC |
405 | return (memcmp(a->data, b->data, a->length)); |
406 | } | |
babb3798 | 407 | |
e19106f5 | 408 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj); |
babb3798 | 409 | |
8d28d5f8 | 410 | int OBJ_obj2nid(const ASN1_OBJECT *a) |
ae5c8664 MC |
411 | { |
412 | const unsigned int *op; | |
413 | ADDED_OBJ ad, *adp; | |
414 | ||
415 | if (a == NULL) | |
416 | return (NID_undef); | |
417 | if (a->nid != 0) | |
418 | return (a->nid); | |
419 | ||
34cdff92 DSH |
420 | if (a->length == 0) |
421 | return NID_undef; | |
422 | ||
ae5c8664 MC |
423 | if (added != NULL) { |
424 | ad.type = ADDED_DATA; | |
425 | ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */ | |
426 | adp = lh_ADDED_OBJ_retrieve(added, &ad); | |
427 | if (adp != NULL) | |
428 | return (adp->obj->nid); | |
429 | } | |
430 | op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ); | |
431 | if (op == NULL) | |
432 | return (NID_undef); | |
433 | return (nid_objs[*op].nid); | |
434 | } | |
435 | ||
436 | /* | |
437 | * Convert an object name into an ASN1_OBJECT if "noname" is not set then | |
438 | * search for short and long names first. This will convert the "dotted" form | |
439 | * into an object: unlike OBJ_txt2nid it can be used with any objects, not | |
440 | * just registered ones. | |
2d723902 DSH |
441 | */ |
442 | ||
6b691a5c | 443 | ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name) |
ae5c8664 MC |
444 | { |
445 | int nid = NID_undef; | |
446 | ASN1_OBJECT *op = NULL; | |
447 | unsigned char *buf; | |
448 | unsigned char *p; | |
449 | const unsigned char *cp; | |
450 | int i, j; | |
451 | ||
452 | if (!no_name) { | |
453 | if (((nid = OBJ_sn2nid(s)) != NID_undef) || | |
454 | ((nid = OBJ_ln2nid(s)) != NID_undef)) | |
455 | return OBJ_nid2obj(nid); | |
456 | } | |
457 | ||
458 | /* Work out size of content octets */ | |
459 | i = a2d_ASN1_OBJECT(NULL, 0, s, -1); | |
460 | if (i <= 0) { | |
461 | /* Don't clear the error */ | |
462 | /* | |
463 | * ERR_clear_error(); | |
464 | */ | |
465 | return NULL; | |
466 | } | |
467 | /* Work out total size */ | |
468 | j = ASN1_object_size(0, i, V_ASN1_OBJECT); | |
469 | ||
470 | if ((buf = (unsigned char *)OPENSSL_malloc(j)) == NULL) | |
471 | return NULL; | |
472 | ||
473 | p = buf; | |
474 | /* Write out tag+length */ | |
475 | ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL); | |
476 | /* Write out contents */ | |
477 | a2d_ASN1_OBJECT(p, i, s, -1); | |
478 | ||
479 | cp = buf; | |
480 | op = d2i_ASN1_OBJECT(NULL, &cp, j); | |
481 | OPENSSL_free(buf); | |
482 | return op; | |
483 | } | |
d02b48c6 | 484 | |
6343829a | 485 | int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name) |
3e3d2ea2 | 486 | { |
ae5c8664 MC |
487 | int i, n = 0, len, nid, first, use_bn; |
488 | BIGNUM *bl; | |
489 | unsigned long l; | |
490 | const unsigned char *p; | |
491 | char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2]; | |
492 | ||
493 | /* Ensure that, at every state, |buf| is NUL-terminated. */ | |
494 | if (buf && buf_len > 0) | |
495 | buf[0] = '\0'; | |
496 | ||
497 | if ((a == NULL) || (a->data == NULL)) | |
498 | return (0); | |
499 | ||
500 | if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) { | |
501 | const char *s; | |
502 | s = OBJ_nid2ln(nid); | |
503 | if (s == NULL) | |
504 | s = OBJ_nid2sn(nid); | |
505 | if (s) { | |
506 | if (buf) | |
507 | BUF_strlcpy(buf, s, buf_len); | |
508 | n = strlen(s); | |
509 | return n; | |
510 | } | |
511 | } | |
512 | ||
513 | len = a->length; | |
514 | p = a->data; | |
515 | ||
516 | first = 1; | |
517 | bl = NULL; | |
518 | ||
519 | while (len > 0) { | |
520 | l = 0; | |
521 | use_bn = 0; | |
522 | for (;;) { | |
523 | unsigned char c = *p++; | |
524 | len--; | |
525 | if ((len == 0) && (c & 0x80)) | |
526 | goto err; | |
527 | if (use_bn) { | |
528 | if (!BN_add_word(bl, c & 0x7f)) | |
529 | goto err; | |
530 | } else | |
531 | l |= c & 0x7f; | |
532 | if (!(c & 0x80)) | |
533 | break; | |
534 | if (!use_bn && (l > (ULONG_MAX >> 7L))) { | |
535 | if (!bl && !(bl = BN_new())) | |
536 | goto err; | |
537 | if (!BN_set_word(bl, l)) | |
538 | goto err; | |
539 | use_bn = 1; | |
540 | } | |
541 | if (use_bn) { | |
542 | if (!BN_lshift(bl, bl, 7)) | |
543 | goto err; | |
544 | } else | |
545 | l <<= 7L; | |
546 | } | |
547 | ||
548 | if (first) { | |
549 | first = 0; | |
550 | if (l >= 80) { | |
551 | i = 2; | |
552 | if (use_bn) { | |
553 | if (!BN_sub_word(bl, 80)) | |
554 | goto err; | |
555 | } else | |
556 | l -= 80; | |
557 | } else { | |
558 | i = (int)(l / 40); | |
559 | l -= (long)(i * 40); | |
560 | } | |
561 | if (buf && (buf_len > 1)) { | |
562 | *buf++ = i + '0'; | |
563 | *buf = '\0'; | |
564 | buf_len--; | |
565 | } | |
566 | n++; | |
567 | } | |
568 | ||
569 | if (use_bn) { | |
570 | char *bndec; | |
571 | bndec = BN_bn2dec(bl); | |
572 | if (!bndec) | |
573 | goto err; | |
574 | i = strlen(bndec); | |
575 | if (buf) { | |
576 | if (buf_len > 1) { | |
577 | *buf++ = '.'; | |
578 | *buf = '\0'; | |
579 | buf_len--; | |
580 | } | |
581 | BUF_strlcpy(buf, bndec, buf_len); | |
582 | if (i > buf_len) { | |
583 | buf += buf_len; | |
584 | buf_len = 0; | |
585 | } else { | |
586 | buf += i; | |
587 | buf_len -= i; | |
588 | } | |
589 | } | |
590 | n++; | |
591 | n += i; | |
592 | OPENSSL_free(bndec); | |
593 | } else { | |
594 | BIO_snprintf(tbuf, sizeof tbuf, ".%lu", l); | |
595 | i = strlen(tbuf); | |
596 | if (buf && (buf_len > 0)) { | |
597 | BUF_strlcpy(buf, tbuf, buf_len); | |
598 | if (i > buf_len) { | |
599 | buf += buf_len; | |
600 | buf_len = 0; | |
601 | } else { | |
602 | buf += i; | |
603 | buf_len -= i; | |
604 | } | |
605 | } | |
606 | n += i; | |
607 | l = 0; | |
608 | } | |
609 | } | |
610 | ||
611 | if (bl) | |
612 | BN_free(bl); | |
613 | return n; | |
614 | ||
615 | err: | |
616 | if (bl) | |
617 | BN_free(bl); | |
618 | return -1; | |
3e3d2ea2 DSH |
619 | } |
620 | ||
8d28d5f8 | 621 | int OBJ_txt2nid(const char *s) |
2d723902 | 622 | { |
ae5c8664 MC |
623 | ASN1_OBJECT *obj; |
624 | int nid; | |
625 | obj = OBJ_txt2obj(s, 0); | |
626 | nid = OBJ_obj2nid(obj); | |
627 | ASN1_OBJECT_free(obj); | |
628 | return nid; | |
2d723902 DSH |
629 | } |
630 | ||
6b691a5c | 631 | int OBJ_ln2nid(const char *s) |
ae5c8664 MC |
632 | { |
633 | ASN1_OBJECT o; | |
634 | const ASN1_OBJECT *oo = &o; | |
635 | ADDED_OBJ ad, *adp; | |
636 | const unsigned int *op; | |
637 | ||
638 | o.ln = s; | |
639 | if (added != NULL) { | |
640 | ad.type = ADDED_LNAME; | |
641 | ad.obj = &o; | |
642 | adp = lh_ADDED_OBJ_retrieve(added, &ad); | |
643 | if (adp != NULL) | |
644 | return (adp->obj->nid); | |
645 | } | |
646 | op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN); | |
647 | if (op == NULL) | |
648 | return (NID_undef); | |
649 | return (nid_objs[*op].nid); | |
650 | } | |
d02b48c6 | 651 | |
6b691a5c | 652 | int OBJ_sn2nid(const char *s) |
ae5c8664 MC |
653 | { |
654 | ASN1_OBJECT o; | |
655 | const ASN1_OBJECT *oo = &o; | |
656 | ADDED_OBJ ad, *adp; | |
657 | const unsigned int *op; | |
658 | ||
659 | o.sn = s; | |
660 | if (added != NULL) { | |
661 | ad.type = ADDED_SNAME; | |
662 | ad.obj = &o; | |
663 | adp = lh_ADDED_OBJ_retrieve(added, &ad); | |
664 | if (adp != NULL) | |
665 | return (adp->obj->nid); | |
666 | } | |
667 | op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN); | |
668 | if (op == NULL) | |
669 | return (NID_undef); | |
670 | return (nid_objs[*op].nid); | |
671 | } | |
d02b48c6 | 672 | |
babb3798 | 673 | const void *OBJ_bsearch_(const void *key, const void *base, int num, int size, |
ae5c8664 MC |
674 | int (*cmp) (const void *, const void *)) |
675 | { | |
676 | return OBJ_bsearch_ex_(key, base, num, size, cmp, 0); | |
677 | } | |
ea5240a5 | 678 | |
1ea6472e | 679 | const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num, |
ae5c8664 MC |
680 | int size, |
681 | int (*cmp) (const void *, const void *), | |
682 | int flags) | |
683 | { | |
684 | const char *base = base_; | |
685 | int l, h, i = 0, c = 0; | |
686 | const char *p = NULL; | |
687 | ||
688 | if (num == 0) | |
689 | return (NULL); | |
690 | l = 0; | |
691 | h = num; | |
692 | while (l < h) { | |
693 | i = (l + h) / 2; | |
694 | p = &(base[i * size]); | |
695 | c = (*cmp) (key, p); | |
696 | if (c < 0) | |
697 | h = i; | |
698 | else if (c > 0) | |
699 | l = i + 1; | |
700 | else | |
701 | break; | |
702 | } | |
a53955d8 | 703 | #ifdef CHARSET_EBCDIC |
ae5c8664 MC |
704 | /* |
705 | * THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and I | |
706 | * don't have perl (yet), we revert to a *LINEAR* search when the object | |
707 | * wasn't found in the binary search. | |
708 | */ | |
709 | if (c != 0) { | |
710 | for (i = 0; i < num; ++i) { | |
711 | p = &(base[i * size]); | |
712 | c = (*cmp) (key, p); | |
713 | if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))) | |
714 | return p; | |
715 | } | |
716 | } | |
a53955d8 | 717 | #endif |
ae5c8664 MC |
718 | if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)) |
719 | p = NULL; | |
720 | else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH)) { | |
721 | while (i > 0 && (*cmp) (key, &(base[(i - 1) * size])) == 0) | |
722 | i--; | |
723 | p = &(base[i * size]); | |
724 | } | |
725 | return (p); | |
726 | } | |
d02b48c6 | 727 | |
a1daedd8 F |
728 | /* |
729 | * Parse a BIO sink to create some extra oid's objects. | |
730 | * Line format:<OID:isdigit or '.']><isspace><SN><isspace><LN> | |
731 | */ | |
6b691a5c | 732 | int OBJ_create_objects(BIO *in) |
ae5c8664 MC |
733 | { |
734 | MS_STATIC char buf[512]; | |
735 | int i, num = 0; | |
736 | char *o, *s, *l = NULL; | |
737 | ||
738 | for (;;) { | |
739 | s = o = NULL; | |
740 | i = BIO_gets(in, buf, 512); | |
741 | if (i <= 0) | |
742 | return (num); | |
743 | buf[i - 1] = '\0'; | |
744 | if (!isalnum((unsigned char)buf[0])) | |
745 | return (num); | |
746 | o = s = buf; | |
747 | while (isdigit((unsigned char)*s) || (*s == '.')) | |
748 | s++; | |
749 | if (*s != '\0') { | |
750 | *(s++) = '\0'; | |
751 | while (isspace((unsigned char)*s)) | |
752 | s++; | |
a1daedd8 | 753 | if (*s == '\0') { |
ae5c8664 | 754 | s = NULL; |
a1daedd8 | 755 | } else { |
ae5c8664 MC |
756 | l = s; |
757 | while ((*l != '\0') && !isspace((unsigned char)*l)) | |
758 | l++; | |
759 | if (*l != '\0') { | |
760 | *(l++) = '\0'; | |
761 | while (isspace((unsigned char)*l)) | |
762 | l++; | |
a1daedd8 | 763 | if (*l == '\0') { |
ae5c8664 | 764 | l = NULL; |
a1daedd8 F |
765 | } |
766 | } else { | |
ae5c8664 | 767 | l = NULL; |
a1daedd8 | 768 | } |
ae5c8664 | 769 | } |
a1daedd8 | 770 | } else { |
ae5c8664 | 771 | s = NULL; |
a1daedd8 F |
772 | } |
773 | if (*o == '\0') | |
774 | return num; | |
ae5c8664 MC |
775 | if (!OBJ_create(o, s, l)) |
776 | return (num); | |
777 | num++; | |
778 | } | |
779 | /* return(num); */ | |
780 | } | |
58964a49 | 781 | |
8d28d5f8 | 782 | int OBJ_create(const char *oid, const char *sn, const char *ln) |
ae5c8664 MC |
783 | { |
784 | int ok = 0; | |
785 | ASN1_OBJECT *op = NULL; | |
786 | unsigned char *buf; | |
787 | int i; | |
788 | ||
789 | i = a2d_ASN1_OBJECT(NULL, 0, oid, -1); | |
790 | if (i <= 0) | |
791 | return (0); | |
792 | ||
793 | if ((buf = (unsigned char *)OPENSSL_malloc(i)) == NULL) { | |
794 | OBJerr(OBJ_F_OBJ_CREATE, ERR_R_MALLOC_FAILURE); | |
795 | return (0); | |
796 | } | |
797 | i = a2d_ASN1_OBJECT(buf, i, oid, -1); | |
798 | if (i == 0) | |
799 | goto err; | |
800 | op = (ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1), buf, i, sn, ln); | |
801 | if (op == NULL) | |
802 | goto err; | |
803 | ok = OBJ_add_object(op); | |
804 | err: | |
805 | ASN1_OBJECT_free(op); | |
806 | OPENSSL_free(buf); | |
807 | return (ok); | |
808 | } |