Coverage Report

Created: 2022-11-30 06:20

/src/openssl/crypto/x509/x509_lu.c
Line
Count
Source (jump to first uncovered line)
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
65
X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
66
1.24k
{
67
1.24k
    X509_LOOKUP *ret;
68
69
1.24k
    ret = (X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP));
70
1.24k
    if (ret == NULL)
71
0
        return NULL;
72
73
1.24k
    ret->init = 0;
74
1.24k
    ret->skip = 0;
75
1.24k
    ret->method = method;
76
1.24k
    ret->method_data = NULL;
77
1.24k
    ret->store_ctx = NULL;
78
1.24k
    if ((method->new_item != NULL) && !method->new_item(ret)) {
79
0
        OPENSSL_free(ret);
80
0
        return NULL;
81
0
    }
82
1.24k
    return ret;
83
1.24k
}
84
85
void X509_LOOKUP_free(X509_LOOKUP *ctx)
86
1.24k
{
87
1.24k
    if (ctx == NULL)
88
0
        return;
89
1.24k
    if ((ctx->method != NULL) && (ctx->method->free != NULL))
90
0
        (*ctx->method->free) (ctx);
91
1.24k
    OPENSSL_free(ctx);
92
1.24k
}
93
94
int X509_LOOKUP_init(X509_LOOKUP *ctx)
95
0
{
96
0
    if (ctx->method == NULL)
97
0
        return 0;
98
0
    if (ctx->method->init != NULL)
99
0
        return ctx->method->init(ctx);
100
0
    else
101
0
        return 1;
102
0
}
103
104
int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
105
1.24k
{
106
1.24k
    if (ctx->method == NULL)
107
0
        return 0;
108
1.24k
    if (ctx->method->shutdown != NULL)
109
0
        return ctx->method->shutdown(ctx);
110
1.24k
    else
111
1.24k
        return 1;
112
1.24k
}
113
114
int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
115
                     char **ret)
116
1.24k
{
117
1.24k
    if (ctx->method == NULL)
118
0
        return -1;
119
1.24k
    if (ctx->method->ctrl != NULL)
120
1.24k
        return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
121
0
    else
122
0
        return 1;
123
1.24k
}
124
125
int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
126
                           X509_OBJECT *ret)
127
0
{
128
0
    if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
129
0
        return X509_LU_FAIL;
130
0
    if (ctx->skip)
131
0
        return 0;
132
0
    return ctx->method->get_by_subject(ctx, type, name, ret);
133
0
}
134
135
int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
136
                                 ASN1_INTEGER *serial, X509_OBJECT *ret)
137
0
{
138
0
    if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL))
139
0
        return X509_LU_FAIL;
140
0
    return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret);
141
0
}
142
143
int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
144
                               unsigned char *bytes, int len,
145
                               X509_OBJECT *ret)
146
0
{
147
0
    if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
148
0
        return X509_LU_FAIL;
149
0
    return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret);
150
0
}
151
152
int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
153
                         X509_OBJECT *ret)
154
0
{
155
0
    if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
156
0
        return X509_LU_FAIL;
157
0
    return ctx->method->get_by_alias(ctx, type, str, len, ret);
158
0
}
159
160
static int x509_object_cmp(const X509_OBJECT *const *a,
161
                           const X509_OBJECT *const *b)
162
31.2M
{
163
31.2M
    int ret;
164
165
31.2M
    ret = ((*a)->type - (*b)->type);
166
31.2M
    if (ret)
167
0
        return ret;
168
31.2M
    switch ((*a)->type) {
169
31.2M
    case X509_LU_X509:
170
31.2M
        ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);
171
31.2M
        break;
172
0
    case X509_LU_CRL:
173
0
        ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);
174
0
        break;
175
0
    default:
176
        /* abort(); */
177
0
        return 0;
178
31.2M
    }
179
31.2M
    return ret;
180
31.2M
}
181
182
X509_STORE *X509_STORE_new(void)
183
1.24k
{
184
1.24k
    X509_STORE *ret;
185
186
1.24k
    if ((ret = (X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL)
187
0
        return NULL;
188
1.24k
    if ((ret->objs = sk_X509_OBJECT_new(x509_object_cmp)) == NULL)
189
0
        goto err0;
190
1.24k
    ret->cache = 1;
191
1.24k
    if ((ret->get_cert_methods = sk_X509_LOOKUP_new_null()) == NULL)
192
0
        goto err1;
193
1.24k
    ret->verify = 0;
194
1.24k
    ret->verify_cb = 0;
195
196
1.24k
    if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
197
0
        goto err2;
198
199
1.24k
    ret->get_issuer = 0;
200
1.24k
    ret->check_issued = 0;
201
1.24k
    ret->check_revocation = 0;
202
1.24k
    ret->get_crl = 0;
203
1.24k
    ret->check_crl = 0;
204
1.24k
    ret->cert_crl = 0;
205
1.24k
    ret->lookup_certs = 0;
206
1.24k
    ret->lookup_crls = 0;
207
1.24k
    ret->cleanup = 0;
208
209
1.24k
    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data))
210
0
       goto err3;
211
212
1.24k
    ret->references = 1;
213
1.24k
    return ret;
214
215
0
 err3:
216
0
    X509_VERIFY_PARAM_free(ret->param);
217
0
 err2:
218
0
    sk_X509_LOOKUP_free(ret->get_cert_methods);
219
0
 err1:
220
0
    sk_X509_OBJECT_free(ret->objs);
221
0
 err0:
222
0
    OPENSSL_free(ret);
223
0
    return NULL;
224
0
}
225
226
static void cleanup(X509_OBJECT *a)
227
157k
{
228
157k
    if (!a)
229
0
        return;
230
157k
    if (a->type == X509_LU_X509) {
231
157k
        X509_free(a->data.x509);
232
157k
    } else if (a->type == X509_LU_CRL) {
233
0
        X509_CRL_free(a->data.crl);
234
0
    } else {
235
        /* abort(); */
236
0
    }
237
238
157k
    OPENSSL_free(a);
239
157k
}
240
241
void X509_STORE_free(X509_STORE *vfy)
242
1.24k
{
243
1.24k
    int i;
244
1.24k
    STACK_OF(X509_LOOKUP) *sk;
245
1.24k
    X509_LOOKUP *lu;
246
247
1.24k
    if (vfy == NULL)
248
0
        return;
249
250
1.24k
    i = CRYPTO_add(&vfy->references, -1, CRYPTO_LOCK_X509_STORE);
251
#ifdef REF_PRINT
252
    REF_PRINT("X509_STORE", vfy);
253
#endif
254
1.24k
    if (i > 0)
255
0
        return;
256
#ifdef REF_CHECK
257
    if (i < 0) {
258
        fprintf(stderr, "X509_STORE_free, bad reference count\n");
259
        abort();                /* ok */
260
    }
261
#endif
262
263
1.24k
    sk = vfy->get_cert_methods;
264
2.48k
    for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
265
1.24k
        lu = sk_X509_LOOKUP_value(sk, i);
266
1.24k
        X509_LOOKUP_shutdown(lu);
267
1.24k
        X509_LOOKUP_free(lu);
268
1.24k
    }
269
1.24k
    sk_X509_LOOKUP_free(sk);
270
1.24k
    sk_X509_OBJECT_pop_free(vfy->objs, cleanup);
271
272
1.24k
    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
273
1.24k
    if (vfy->param)
274
1.24k
        X509_VERIFY_PARAM_free(vfy->param);
275
1.24k
    OPENSSL_free(vfy);
276
1.24k
}
277
278
X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
279
2.48k
{
280
2.48k
    int i;
281
2.48k
    STACK_OF(X509_LOOKUP) *sk;
282
2.48k
    X509_LOOKUP *lu;
283
284
2.48k
    sk = v->get_cert_methods;
285
2.48k
    for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
286
1.24k
        lu = sk_X509_LOOKUP_value(sk, i);
287
1.24k
        if (m == lu->method) {
288
1.24k
            return lu;
289
1.24k
        }
290
1.24k
    }
291
    /* a new one */
292
1.24k
    lu = X509_LOOKUP_new(m);
293
1.24k
    if (lu == NULL)
294
0
        return NULL;
295
1.24k
    else {
296
1.24k
        lu->store_ctx = v;
297
1.24k
        if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
298
1.24k
            return lu;
299
0
        else {
300
0
            X509_LOOKUP_free(lu);
301
0
            return NULL;
302
0
        }
303
1.24k
    }
304
1.24k
}
305
306
int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
307
                              X509_OBJECT *ret)
308
0
{
309
0
    X509_STORE *ctx = vs->ctx;
310
0
    X509_LOOKUP *lu;
311
0
    X509_OBJECT stmp, *tmp;
312
0
    int i, j;
313
314
0
    CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
315
0
    tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
316
0
    CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
317
318
0
    if (tmp == NULL || type == X509_LU_CRL) {
319
0
        for (i = vs->current_method;
320
0
             i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
321
0
            lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
322
0
            j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
323
0
            if (j < 0) {
324
0
                vs->current_method = j;
325
0
                return j;
326
0
            } else if (j) {
327
0
                tmp = &stmp;
328
0
                break;
329
0
            }
330
0
        }
331
0
        vs->current_method = 0;
332
0
        if (tmp == NULL)
333
0
            return 0;
334
0
    }
335
336
/*- if (ret->data.ptr != NULL)
337
            X509_OBJECT_free_contents(ret); */
338
339
0
    ret->type = tmp->type;
340
0
    ret->data.ptr = tmp->data.ptr;
341
342
0
    X509_OBJECT_up_ref_count(ret);
343
344
0
    return 1;
345
0
}
346
347
int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
348
157k
{
349
157k
    X509_OBJECT *obj;
350
157k
    int ret = 1;
351
352
157k
    if (x == NULL)
353
0
        return 0;
354
157k
    obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
355
157k
    if (obj == NULL) {
356
0
        X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
357
0
        return 0;
358
0
    }
359
157k
    obj->type = X509_LU_X509;
360
157k
    obj->data.x509 = x;
361
362
157k
    CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
363
364
157k
    X509_OBJECT_up_ref_count(obj);
365
366
157k
    if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
367
0
        X509_OBJECT_free_contents(obj);
368
0
        OPENSSL_free(obj);
369
0
        X509err(X509_F_X509_STORE_ADD_CERT,
370
0
                X509_R_CERT_ALREADY_IN_HASH_TABLE);
371
0
        ret = 0;
372
157k
    } else if (!sk_X509_OBJECT_push(ctx->objs, obj)) {
373
0
        X509_OBJECT_free_contents(obj);
374
0
        OPENSSL_free(obj);
375
0
        X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
376
0
        ret = 0;
377
0
    }
378
379
157k
    CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
380
381
157k
    return ret;
382
157k
}
383
384
int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
385
0
{
386
0
    X509_OBJECT *obj;
387
0
    int ret = 1;
388
389
0
    if (x == NULL)
390
0
        return 0;
391
0
    obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
392
0
    if (obj == NULL) {
393
0
        X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
394
0
        return 0;
395
0
    }
396
0
    obj->type = X509_LU_CRL;
397
0
    obj->data.crl = x;
398
399
0
    CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
400
401
0
    X509_OBJECT_up_ref_count(obj);
402
403
0
    if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
404
0
        X509_OBJECT_free_contents(obj);
405
0
        OPENSSL_free(obj);
406
0
        X509err(X509_F_X509_STORE_ADD_CRL, X509_R_CERT_ALREADY_IN_HASH_TABLE);
407
0
        ret = 0;
408
0
    } else if (!sk_X509_OBJECT_push(ctx->objs, obj)) {
409
0
        X509_OBJECT_free_contents(obj);
410
0
        OPENSSL_free(obj);
411
0
        X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
412
0
        ret = 0;
413
0
    }
414
415
0
    CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
416
417
0
    return ret;
418
0
}
419
420
void X509_OBJECT_up_ref_count(X509_OBJECT *a)
421
157k
{
422
157k
    switch (a->type) {
423
157k
    case X509_LU_X509:
424
157k
        CRYPTO_add(&a->data.x509->references, 1, CRYPTO_LOCK_X509);
425
157k
        break;
426
0
    case X509_LU_CRL:
427
0
        CRYPTO_add(&a->data.crl->references, 1, CRYPTO_LOCK_X509_CRL);
428
0
        break;
429
157k
    }
430
157k
}
431
432
void X509_OBJECT_free_contents(X509_OBJECT *a)
433
0
{
434
0
    switch (a->type) {
435
0
    case X509_LU_X509:
436
0
        X509_free(a->data.x509);
437
0
        break;
438
0
    case X509_LU_CRL:
439
0
        X509_CRL_free(a->data.crl);
440
0
        break;
441
0
    }
442
0
}
443
444
static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type,
445
                               X509_NAME *name, int *pnmatch)
446
0
{
447
0
    X509_OBJECT stmp;
448
0
    X509 x509_s;
449
0
    X509_CINF cinf_s;
450
0
    X509_CRL crl_s;
451
0
    X509_CRL_INFO crl_info_s;
452
0
    int idx;
453
454
0
    stmp.type = type;
455
0
    switch (type) {
456
0
    case X509_LU_X509:
457
0
        stmp.data.x509 = &x509_s;
458
0
        x509_s.cert_info = &cinf_s;
459
0
        cinf_s.subject = name;
460
0
        break;
461
0
    case X509_LU_CRL:
462
0
        stmp.data.crl = &crl_s;
463
0
        crl_s.crl = &crl_info_s;
464
0
        crl_info_s.issuer = name;
465
0
        break;
466
0
    default:
467
        /* abort(); */
468
0
        return -1;
469
0
    }
470
471
0
    idx = sk_X509_OBJECT_find(h, &stmp);
472
0
    if (idx >= 0 && pnmatch) {
473
0
        int tidx;
474
0
        const X509_OBJECT *tobj, *pstmp;
475
0
        *pnmatch = 1;
476
0
        pstmp = &stmp;
477
0
        for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
478
0
            tobj = sk_X509_OBJECT_value(h, tidx);
479
0
            if (x509_object_cmp(&tobj, &pstmp))
480
0
                break;
481
0
            (*pnmatch)++;
482
0
        }
483
0
    }
484
0
    return idx;
485
0
}
486
487
int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
488
                               X509_NAME *name)
489
0
{
490
0
    return x509_object_idx_cnt(h, type, name, NULL);
491
0
}
492
493
X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
494
                                             int type, X509_NAME *name)
495
0
{
496
0
    int idx;
497
0
    idx = X509_OBJECT_idx_by_subject(h, type, name);
498
0
    if (idx == -1)
499
0
        return NULL;
500
0
    return sk_X509_OBJECT_value(h, idx);
501
0
}
502
503
STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
504
0
{
505
0
    int i, idx, cnt;
506
0
    STACK_OF(X509) *sk;
507
0
    X509 *x;
508
0
    X509_OBJECT *obj;
509
0
    sk = sk_X509_new_null();
510
0
    CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
511
0
    idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
512
0
    if (idx < 0) {
513
        /*
514
         * Nothing found in cache: do lookup to possibly add new objects to
515
         * cache
516
         */
517
0
        X509_OBJECT xobj;
518
0
        CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
519
0
        if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj)) {
520
0
            sk_X509_free(sk);
521
0
            return NULL;
522
0
        }
523
0
        X509_OBJECT_free_contents(&xobj);
524
0
        CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
525
0
        idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
526
0
        if (idx < 0) {
527
0
            CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
528
0
            sk_X509_free(sk);
529
0
            return NULL;
530
0
        }
531
0
    }
532
0
    for (i = 0; i < cnt; i++, idx++) {
533
0
        obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
534
0
        x = obj->data.x509;
535
0
        CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
536
0
        if (!sk_X509_push(sk, x)) {
537
0
            CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
538
0
            X509_free(x);
539
0
            sk_X509_pop_free(sk, X509_free);
540
0
            return NULL;
541
0
        }
542
0
    }
543
0
    CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
544
0
    return sk;
545
546
0
}
547
548
STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
549
0
{
550
0
    int i, idx, cnt;
551
0
    STACK_OF(X509_CRL) *sk;
552
0
    X509_CRL *x;
553
0
    X509_OBJECT *obj, xobj;
554
0
    sk = sk_X509_CRL_new_null();
555
0
    CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
556
557
    /*
558
     * Always do lookup to possibly add new CRLs to cache
559
     */
560
0
    CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
561
0
    if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj)) {
562
0
        sk_X509_CRL_free(sk);
563
0
        return NULL;
564
0
    }
565
0
    X509_OBJECT_free_contents(&xobj);
566
0
    CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
567
0
    idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
568
0
    if (idx < 0) {
569
0
        CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
570
0
        sk_X509_CRL_free(sk);
571
0
        return NULL;
572
0
    }
573
574
0
    for (i = 0; i < cnt; i++, idx++) {
575
0
        obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
576
0
        x = obj->data.crl;
577
0
        CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
578
0
        if (!sk_X509_CRL_push(sk, x)) {
579
0
            CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
580
0
            X509_CRL_free(x);
581
0
            sk_X509_CRL_pop_free(sk, X509_CRL_free);
582
0
            return NULL;
583
0
        }
584
0
    }
585
0
    CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
586
0
    return sk;
587
0
}
588
589
X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
590
                                        X509_OBJECT *x)
591
157k
{
592
157k
    int idx, i;
593
157k
    X509_OBJECT *obj;
594
157k
    idx = sk_X509_OBJECT_find(h, x);
595
157k
    if (idx == -1)
596
157k
        return NULL;
597
0
    if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
598
0
        return sk_X509_OBJECT_value(h, idx);
599
0
    for (i = idx; i < sk_X509_OBJECT_num(h); i++) {
600
0
        obj = sk_X509_OBJECT_value(h, i);
601
0
        if (x509_object_cmp
602
0
            ((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
603
0
            return NULL;
604
0
        if (x->type == X509_LU_X509) {
605
0
            if (!X509_cmp(obj->data.x509, x->data.x509))
606
0
                return obj;
607
0
        } else if (x->type == X509_LU_CRL) {
608
0
            if (!X509_CRL_match(obj->data.crl, x->data.crl))
609
0
                return obj;
610
0
        } else
611
0
            return obj;
612
0
    }
613
0
    return NULL;
614
0
}
615
616
/*-
617
 * Try to get issuer certificate from store. Due to limitations
618
 * of the API this can only retrieve a single certificate matching
619
 * a given subject name. However it will fill the cache with all
620
 * matching certificates, so we can examine the cache for all
621
 * matches.
622
 *
623
 * Return values are:
624
 *  1 lookup successful.
625
 *  0 certificate not found.
626
 * -1 some other error.
627
 */
628
int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
629
0
{
630
0
    X509_NAME *xn;
631
0
    X509_OBJECT obj, *pobj;
632
0
    int i, ok, idx, ret;
633
0
    xn = X509_get_issuer_name(x);
634
0
    ok = X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj);
635
0
    if (ok != X509_LU_X509) {
636
0
        if (ok == X509_LU_RETRY) {
637
0
            X509_OBJECT_free_contents(&obj);
638
0
            X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);
639
0
            return -1;
640
0
        } else if (ok != X509_LU_FAIL) {
641
0
            X509_OBJECT_free_contents(&obj);
642
            /* not good :-(, break anyway */
643
0
            return -1;
644
0
        }
645
0
        return 0;
646
0
    }
647
    /* If certificate matches all OK */
648
0
    if (ctx->check_issued(ctx, x, obj.data.x509)) {
649
0
        *issuer = obj.data.x509;
650
0
        return 1;
651
0
    }
652
0
    X509_OBJECT_free_contents(&obj);
653
654
    /* Else find index of first cert accepted by 'check_issued' */
655
0
    ret = 0;
656
0
    CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
657
0
    idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
658
0
    if (idx != -1) {            /* should be true as we've had at least one
659
                                 * match */
660
        /* Look through all matching certs for suitable issuer */
661
0
        for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
662
0
            pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
663
            /* See if we've run past the matches */
664
0
            if (pobj->type != X509_LU_X509)
665
0
                break;
666
0
            if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
667
0
                break;
668
0
            if (ctx->check_issued(ctx, x, pobj->data.x509)) {
669
0
                *issuer = pobj->data.x509;
670
0
                X509_OBJECT_up_ref_count(pobj);
671
0
                ret = 1;
672
0
                break;
673
0
            }
674
0
        }
675
0
    }
676
0
    CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
677
0
    return ret;
678
0
}
679
680
int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
681
0
{
682
0
    return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
683
0
}
684
685
int X509_STORE_set_depth(X509_STORE *ctx, int depth)
686
0
{
687
0
    X509_VERIFY_PARAM_set_depth(ctx->param, depth);
688
0
    return 1;
689
0
}
690
691
int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
692
0
{
693
0
    return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
694
0
}
695
696
int X509_STORE_set_trust(X509_STORE *ctx, int trust)
697
0
{
698
0
    return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
699
0
}
700
701
int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
702
0
{
703
0
    return X509_VERIFY_PARAM_set1(ctx->param, param);
704
0
}
705
706
void X509_STORE_set_verify_cb(X509_STORE *ctx,
707
                              int (*verify_cb) (int, X509_STORE_CTX *))
708
0
{
709
0
    ctx->verify_cb = verify_cb;
710
0
}
711
712
void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
713
                                   STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX
714
                                                              *ctx,
715
                                                              X509_NAME *nm))
716
0
{
717
0
    ctx->lookup_crls = cb;
718
0
}
719
720
X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
721
0
{
722
0
    return ctx->ctx;
723
0
}
724
725
IMPLEMENT_STACK_OF(X509_LOOKUP)
726
727
IMPLEMENT_STACK_OF(X509_OBJECT)