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diff --git a/src/lib/libcrypto/x509/x509_lu.c b/src/lib/libcrypto/x509/x509_lu.c
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1/* crypto/x509/x509_lu.c */
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 <stdio.h>
60#include "cryptlib.h"
61#include <openssl/lhash.h>
62#include <openssl/x509.h>
63#include <openssl/x509v3.h>
64
65X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
66 {
67 X509_LOOKUP *ret;
68
69 ret=(X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP));
70 if (ret == NULL) return NULL;
71
72 ret->init=0;
73 ret->skip=0;
74 ret->method=method;
75 ret->method_data=NULL;
76 ret->store_ctx=NULL;
77 if ((method->new_item != NULL) && !method->new_item(ret))
78 {
79 OPENSSL_free(ret);
80 return NULL;
81 }
82 return ret;
83 }
84
85void X509_LOOKUP_free(X509_LOOKUP *ctx)
86 {
87 if (ctx == NULL) return;
88 if ( (ctx->method != NULL) &&
89 (ctx->method->free != NULL))
90 ctx->method->free(ctx);
91 OPENSSL_free(ctx);
92 }
93
94int X509_LOOKUP_init(X509_LOOKUP *ctx)
95 {
96 if (ctx->method == NULL) return 0;
97 if (ctx->method->init != NULL)
98 return ctx->method->init(ctx);
99 else
100 return 1;
101 }
102
103int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
104 {
105 if (ctx->method == NULL) return 0;
106 if (ctx->method->shutdown != NULL)
107 return ctx->method->shutdown(ctx);
108 else
109 return 1;
110 }
111
112int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
113 char **ret)
114 {
115 if (ctx->method == NULL) return -1;
116 if (ctx->method->ctrl != NULL)
117 return ctx->method->ctrl(ctx,cmd,argc,argl,ret);
118 else
119 return 1;
120 }
121
122int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
123 X509_OBJECT *ret)
124 {
125 if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
126 return X509_LU_FAIL;
127 if (ctx->skip) return 0;
128 return ctx->method->get_by_subject(ctx,type,name,ret);
129 }
130
131int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
132 ASN1_INTEGER *serial, X509_OBJECT *ret)
133 {
134 if ((ctx->method == NULL) ||
135 (ctx->method->get_by_issuer_serial == NULL))
136 return X509_LU_FAIL;
137 return ctx->method->get_by_issuer_serial(ctx,type,name,serial,ret);
138 }
139
140int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
141 unsigned char *bytes, int len, X509_OBJECT *ret)
142 {
143 if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
144 return X509_LU_FAIL;
145 return ctx->method->get_by_fingerprint(ctx,type,bytes,len,ret);
146 }
147
148int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
149 X509_OBJECT *ret)
150 {
151 if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
152 return X509_LU_FAIL;
153 return ctx->method->get_by_alias(ctx,type,str,len,ret);
154 }
155
156
157static int x509_object_cmp(const X509_OBJECT * const *a, const X509_OBJECT * const *b)
158 {
159 int ret;
160
161 ret=((*a)->type - (*b)->type);
162 if (ret) return ret;
163 switch ((*a)->type)
164 {
165 case X509_LU_X509:
166 ret=X509_subject_name_cmp((*a)->data.x509,(*b)->data.x509);
167 break;
168 case X509_LU_CRL:
169 ret=X509_CRL_cmp((*a)->data.crl,(*b)->data.crl);
170 break;
171 default:
172 /* abort(); */
173 return 0;
174 }
175 return ret;
176 }
177
178X509_STORE *X509_STORE_new(void)
179 {
180 X509_STORE *ret;
181
182 if ((ret=(X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL)
183 return NULL;
184 ret->objs = sk_X509_OBJECT_new(x509_object_cmp);
185 ret->cache=1;
186 ret->get_cert_methods=sk_X509_LOOKUP_new_null();
187 ret->verify=0;
188 ret->verify_cb=0;
189
190 if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
191 return NULL;
192
193 ret->get_issuer = 0;
194 ret->check_issued = 0;
195 ret->check_revocation = 0;
196 ret->get_crl = 0;
197 ret->check_crl = 0;
198 ret->cert_crl = 0;
199 ret->cleanup = 0;
200
201 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data);
202 ret->references=1;
203 return ret;
204 }
205
206static void cleanup(X509_OBJECT *a)
207 {
208 if (a->type == X509_LU_X509)
209 {
210 X509_free(a->data.x509);
211 }
212 else if (a->type == X509_LU_CRL)
213 {
214 X509_CRL_free(a->data.crl);
215 }
216 else
217 {
218 /* abort(); */
219 }
220
221 OPENSSL_free(a);
222 }
223
224void X509_STORE_free(X509_STORE *vfy)
225 {
226 int i;
227 STACK_OF(X509_LOOKUP) *sk;
228 X509_LOOKUP *lu;
229
230 if (vfy == NULL)
231 return;
232
233 sk=vfy->get_cert_methods;
234 for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
235 {
236 lu=sk_X509_LOOKUP_value(sk,i);
237 X509_LOOKUP_shutdown(lu);
238 X509_LOOKUP_free(lu);
239 }
240 sk_X509_LOOKUP_free(sk);
241 sk_X509_OBJECT_pop_free(vfy->objs, cleanup);
242
243 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
244 if (vfy->param)
245 X509_VERIFY_PARAM_free(vfy->param);
246 OPENSSL_free(vfy);
247 }
248
249X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
250 {
251 int i;
252 STACK_OF(X509_LOOKUP) *sk;
253 X509_LOOKUP *lu;
254
255 sk=v->get_cert_methods;
256 for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
257 {
258 lu=sk_X509_LOOKUP_value(sk,i);
259 if (m == lu->method)
260 {
261 return lu;
262 }
263 }
264 /* a new one */
265 lu=X509_LOOKUP_new(m);
266 if (lu == NULL)
267 return NULL;
268 else
269 {
270 lu->store_ctx=v;
271 if (sk_X509_LOOKUP_push(v->get_cert_methods,lu))
272 return lu;
273 else
274 {
275 X509_LOOKUP_free(lu);
276 return NULL;
277 }
278 }
279 }
280
281int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
282 X509_OBJECT *ret)
283 {
284 X509_STORE *ctx=vs->ctx;
285 X509_LOOKUP *lu;
286 X509_OBJECT stmp,*tmp;
287 int i,j;
288
289 tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name);
290
291 if (tmp == NULL)
292 {
293 for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++)
294 {
295 lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i);
296 j=X509_LOOKUP_by_subject(lu,type,name,&stmp);
297 if (j < 0)
298 {
299 vs->current_method=j;
300 return j;
301 }
302 else if (j)
303 {
304 tmp= &stmp;
305 break;
306 }
307 }
308 vs->current_method=0;
309 if (tmp == NULL)
310 return 0;
311 }
312
313/* if (ret->data.ptr != NULL)
314 X509_OBJECT_free_contents(ret); */
315
316 ret->type=tmp->type;
317 ret->data.ptr=tmp->data.ptr;
318
319 X509_OBJECT_up_ref_count(ret);
320
321 return 1;
322 }
323
324int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
325 {
326 X509_OBJECT *obj;
327 int ret=1;
328
329 if (x == NULL) return 0;
330 obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
331 if (obj == NULL)
332 {
333 X509err(X509_F_X509_STORE_ADD_CERT,ERR_R_MALLOC_FAILURE);
334 return 0;
335 }
336 obj->type=X509_LU_X509;
337 obj->data.x509=x;
338
339 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
340
341 X509_OBJECT_up_ref_count(obj);
342
343
344 if (X509_OBJECT_retrieve_match(ctx->objs, obj))
345 {
346 X509_OBJECT_free_contents(obj);
347 OPENSSL_free(obj);
348 X509err(X509_F_X509_STORE_ADD_CERT,X509_R_CERT_ALREADY_IN_HASH_TABLE);
349 ret=0;
350 }
351 else sk_X509_OBJECT_push(ctx->objs, obj);
352
353 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
354
355 return ret;
356 }
357
358int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
359 {
360 X509_OBJECT *obj;
361 int ret=1;
362
363 if (x == NULL) return 0;
364 obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
365 if (obj == NULL)
366 {
367 X509err(X509_F_X509_STORE_ADD_CRL,ERR_R_MALLOC_FAILURE);
368 return 0;
369 }
370 obj->type=X509_LU_CRL;
371 obj->data.crl=x;
372
373 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
374
375 X509_OBJECT_up_ref_count(obj);
376
377 if (X509_OBJECT_retrieve_match(ctx->objs, obj))
378 {
379 X509_OBJECT_free_contents(obj);
380 OPENSSL_free(obj);
381 X509err(X509_F_X509_STORE_ADD_CRL,X509_R_CERT_ALREADY_IN_HASH_TABLE);
382 ret=0;
383 }
384 else sk_X509_OBJECT_push(ctx->objs, obj);
385
386 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
387
388 return ret;
389 }
390
391void X509_OBJECT_up_ref_count(X509_OBJECT *a)
392 {
393 switch (a->type)
394 {
395 case X509_LU_X509:
396 CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509);
397 break;
398 case X509_LU_CRL:
399 CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL);
400 break;
401 }
402 }
403
404void X509_OBJECT_free_contents(X509_OBJECT *a)
405 {
406 switch (a->type)
407 {
408 case X509_LU_X509:
409 X509_free(a->data.x509);
410 break;
411 case X509_LU_CRL:
412 X509_CRL_free(a->data.crl);
413 break;
414 }
415 }
416
417int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
418 X509_NAME *name)
419 {
420 X509_OBJECT stmp;
421 X509 x509_s;
422 X509_CINF cinf_s;
423 X509_CRL crl_s;
424 X509_CRL_INFO crl_info_s;
425
426 stmp.type=type;
427 switch (type)
428 {
429 case X509_LU_X509:
430 stmp.data.x509= &x509_s;
431 x509_s.cert_info= &cinf_s;
432 cinf_s.subject=name;
433 break;
434 case X509_LU_CRL:
435 stmp.data.crl= &crl_s;
436 crl_s.crl= &crl_info_s;
437 crl_info_s.issuer=name;
438 break;
439 default:
440 /* abort(); */
441 return -1;
442 }
443
444 return sk_X509_OBJECT_find(h,&stmp);
445 }
446
447X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type,
448 X509_NAME *name)
449{
450 int idx;
451 idx = X509_OBJECT_idx_by_subject(h, type, name);
452 if (idx==-1) return NULL;
453 return sk_X509_OBJECT_value(h, idx);
454}
455
456X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x)
457{
458 int idx, i;
459 X509_OBJECT *obj;
460 idx = sk_X509_OBJECT_find(h, x);
461 if (idx == -1) return NULL;
462 if (x->type != X509_LU_X509) return sk_X509_OBJECT_value(h, idx);
463 for (i = idx; i < sk_X509_OBJECT_num(h); i++)
464 {
465 obj = sk_X509_OBJECT_value(h, i);
466 if (x509_object_cmp((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
467 return NULL;
468 if ((x->type != X509_LU_X509) || !X509_cmp(obj->data.x509, x->data.x509))
469 return obj;
470 }
471 return NULL;
472}
473
474
475/* Try to get issuer certificate from store. Due to limitations
476 * of the API this can only retrieve a single certificate matching
477 * a given subject name. However it will fill the cache with all
478 * matching certificates, so we can examine the cache for all
479 * matches.
480 *
481 * Return values are:
482 * 1 lookup successful.
483 * 0 certificate not found.
484 * -1 some other error.
485 */
486
487
488int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
489{
490 X509_NAME *xn;
491 X509_OBJECT obj, *pobj;
492 int i, ok, idx;
493 xn=X509_get_issuer_name(x);
494 ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj);
495 if (ok != X509_LU_X509)
496 {
497 if (ok == X509_LU_RETRY)
498 {
499 X509_OBJECT_free_contents(&obj);
500 X509err(X509_F_X509_STORE_CTX_GET1_ISSUER,X509_R_SHOULD_RETRY);
501 return -1;
502 }
503 else if (ok != X509_LU_FAIL)
504 {
505 X509_OBJECT_free_contents(&obj);
506 /* not good :-(, break anyway */
507 return -1;
508 }
509 return 0;
510 }
511 /* If certificate matches all OK */
512 if (ctx->check_issued(ctx, x, obj.data.x509))
513 {
514 *issuer = obj.data.x509;
515 return 1;
516 }
517 X509_OBJECT_free_contents(&obj);
518 /* Else find index of first matching cert */
519 idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
520 /* This shouldn't normally happen since we already have one match */
521 if (idx == -1) return 0;
522
523 /* Look through all matching certificates for a suitable issuer */
524 for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++)
525 {
526 pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
527 /* See if we've ran out of matches */
528 if (pobj->type != X509_LU_X509) return 0;
529 if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) return 0;
530 if (ctx->check_issued(ctx, x, pobj->data.x509))
531 {
532 *issuer = pobj->data.x509;
533 X509_OBJECT_up_ref_count(pobj);
534 return 1;
535 }
536 }
537 return 0;
538}
539
540int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
541 {
542 return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
543 }
544
545int X509_STORE_set_depth(X509_STORE *ctx, int depth)
546 {
547 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
548 return 1;
549 }
550
551int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
552 {
553 return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
554 }
555
556int X509_STORE_set_trust(X509_STORE *ctx, int trust)
557 {
558 return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
559 }
560
561int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
562 {
563 return X509_VERIFY_PARAM_set1(ctx->param, param);
564 }
565
566IMPLEMENT_STACK_OF(X509_LOOKUP)
567IMPLEMENT_STACK_OF(X509_OBJECT)
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-03 20:29:23 +0000