Coverage Report

Created: 2025-07-01 06:23

/src/irssi/subprojects/openssl-1.1.1l/crypto/x509/x509_lu.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3
 *
4
 * Licensed under the OpenSSL license (the "License").  You may not use
5
 * this file except in compliance with the License.  You can obtain a copy
6
 * in the file LICENSE in the source distribution or at
7
 * https://www.openssl.org/source/license.html
8
 */
9
10
#include <stdio.h>
11
#include "internal/cryptlib.h"
12
#include "internal/refcount.h"
13
#include <openssl/x509.h>
14
#include "crypto/x509.h"
15
#include <openssl/x509v3.h>
16
#include "x509_local.h"
17
18
X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
19
2
{
20
2
    X509_LOOKUP *ret = OPENSSL_zalloc(sizeof(*ret));
21
22
2
    if (ret == NULL) {
23
0
        X509err(X509_F_X509_LOOKUP_NEW, ERR_R_MALLOC_FAILURE);
24
0
        return NULL;
25
0
    }
26
27
2
    ret->method = method;
28
2
    if (method->new_item != NULL && method->new_item(ret) == 0) {
29
0
        OPENSSL_free(ret);
30
0
        return NULL;
31
0
    }
32
2
    return ret;
33
2
}
34
35
void X509_LOOKUP_free(X509_LOOKUP *ctx)
36
0
{
37
0
    if (ctx == NULL)
38
0
        return;
39
0
    if ((ctx->method != NULL) && (ctx->method->free != NULL))
40
0
        (*ctx->method->free) (ctx);
41
0
    OPENSSL_free(ctx);
42
0
}
43
44
int X509_STORE_lock(X509_STORE *s)
45
0
{
46
0
    return CRYPTO_THREAD_write_lock(s->lock);
47
0
}
48
49
int X509_STORE_unlock(X509_STORE *s)
50
0
{
51
0
    return CRYPTO_THREAD_unlock(s->lock);
52
0
}
53
54
int X509_LOOKUP_init(X509_LOOKUP *ctx)
55
0
{
56
0
    if (ctx->method == NULL)
57
0
        return 0;
58
0
    if (ctx->method->init != NULL)
59
0
        return ctx->method->init(ctx);
60
0
    else
61
0
        return 1;
62
0
}
63
64
int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
65
0
{
66
0
    if (ctx->method == NULL)
67
0
        return 0;
68
0
    if (ctx->method->shutdown != NULL)
69
0
        return ctx->method->shutdown(ctx);
70
0
    else
71
0
        return 1;
72
0
}
73
74
int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
75
                     char **ret)
76
2
{
77
2
    if (ctx->method == NULL)
78
0
        return -1;
79
2
    if (ctx->method->ctrl != NULL)
80
2
        return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
81
0
    else
82
0
        return 1;
83
2
}
84
85
int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
86
                           X509_NAME *name, X509_OBJECT *ret)
87
0
{
88
0
    if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
89
0
        return 0;
90
0
    if (ctx->skip)
91
0
        return 0;
92
0
    return ctx->method->get_by_subject(ctx, type, name, ret);
93
0
}
94
95
int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
96
                                 X509_NAME *name, ASN1_INTEGER *serial,
97
                                 X509_OBJECT *ret)
98
0
{
99
0
    if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL))
100
0
        return 0;
101
0
    return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret);
102
0
}
103
104
int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
105
                               const unsigned char *bytes, int len,
106
                               X509_OBJECT *ret)
107
0
{
108
0
    if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
109
0
        return 0;
110
0
    return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret);
111
0
}
112
113
int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
114
                         const char *str, int len, X509_OBJECT *ret)
115
0
{
116
0
    if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
117
0
        return 0;
118
0
    return ctx->method->get_by_alias(ctx, type, str, len, ret);
119
0
}
120
121
int X509_LOOKUP_set_method_data(X509_LOOKUP *ctx, void *data)
122
0
{
123
0
    ctx->method_data = data;
124
0
    return 1;
125
0
}
126
127
void *X509_LOOKUP_get_method_data(const X509_LOOKUP *ctx)
128
0
{
129
0
    return ctx->method_data;
130
0
}
131
132
X509_STORE *X509_LOOKUP_get_store(const X509_LOOKUP *ctx)
133
0
{
134
0
    return ctx->store_ctx;
135
0
}
136
137
138
static int x509_object_cmp(const X509_OBJECT *const *a,
139
                           const X509_OBJECT *const *b)
140
0
{
141
0
    int ret;
142
143
0
    ret = ((*a)->type - (*b)->type);
144
0
    if (ret)
145
0
        return ret;
146
0
    switch ((*a)->type) {
147
0
    case X509_LU_X509:
148
0
        ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);
149
0
        break;
150
0
    case X509_LU_CRL:
151
0
        ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);
152
0
        break;
153
0
    case X509_LU_NONE:
154
        /* abort(); */
155
0
        return 0;
156
0
    }
157
0
    return ret;
158
0
}
159
160
X509_STORE *X509_STORE_new(void)
161
1
{
162
1
    X509_STORE *ret = OPENSSL_zalloc(sizeof(*ret));
163
164
1
    if (ret == NULL) {
165
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
166
0
        return NULL;
167
0
    }
168
1
    if ((ret->objs = sk_X509_OBJECT_new(x509_object_cmp)) == NULL) {
169
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
170
0
        goto err;
171
0
    }
172
1
    ret->cache = 1;
173
1
    if ((ret->get_cert_methods = sk_X509_LOOKUP_new_null()) == NULL) {
174
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
175
0
        goto err;
176
0
    }
177
178
1
    if ((ret->param = X509_VERIFY_PARAM_new()) == NULL) {
179
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
180
0
        goto err;
181
0
    }
182
1
    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data)) {
183
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
184
0
        goto err;
185
0
    }
186
187
1
    ret->lock = CRYPTO_THREAD_lock_new();
188
1
    if (ret->lock == NULL) {
189
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
190
0
        goto err;
191
0
    }
192
193
1
    ret->references = 1;
194
1
    return ret;
195
196
0
err:
197
0
    X509_VERIFY_PARAM_free(ret->param);
198
0
    sk_X509_OBJECT_free(ret->objs);
199
0
    sk_X509_LOOKUP_free(ret->get_cert_methods);
200
0
    OPENSSL_free(ret);
201
0
    return NULL;
202
1
}
203
204
void X509_STORE_free(X509_STORE *vfy)
205
0
{
206
0
    int i;
207
0
    STACK_OF(X509_LOOKUP) *sk;
208
0
    X509_LOOKUP *lu;
209
210
0
    if (vfy == NULL)
211
0
        return;
212
0
    CRYPTO_DOWN_REF(&vfy->references, &i, vfy->lock);
213
0
    REF_PRINT_COUNT("X509_STORE", vfy);
214
0
    if (i > 0)
215
0
        return;
216
0
    REF_ASSERT_ISNT(i < 0);
217
218
0
    sk = vfy->get_cert_methods;
219
0
    for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
220
0
        lu = sk_X509_LOOKUP_value(sk, i);
221
0
        X509_LOOKUP_shutdown(lu);
222
0
        X509_LOOKUP_free(lu);
223
0
    }
224
0
    sk_X509_LOOKUP_free(sk);
225
0
    sk_X509_OBJECT_pop_free(vfy->objs, X509_OBJECT_free);
226
227
0
    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
228
0
    X509_VERIFY_PARAM_free(vfy->param);
229
0
    CRYPTO_THREAD_lock_free(vfy->lock);
230
0
    OPENSSL_free(vfy);
231
0
}
232
233
int X509_STORE_up_ref(X509_STORE *vfy)
234
0
{
235
0
    int i;
236
237
0
    if (CRYPTO_UP_REF(&vfy->references, &i, vfy->lock) <= 0)
238
0
        return 0;
239
240
0
    REF_PRINT_COUNT("X509_STORE", a);
241
0
    REF_ASSERT_ISNT(i < 2);
242
0
    return ((i > 1) ? 1 : 0);
243
0
}
244
245
X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
246
2
{
247
2
    int i;
248
2
    STACK_OF(X509_LOOKUP) *sk;
249
2
    X509_LOOKUP *lu;
250
251
2
    sk = v->get_cert_methods;
252
3
    for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
253
1
        lu = sk_X509_LOOKUP_value(sk, i);
254
1
        if (m == lu->method) {
255
0
            return lu;
256
0
        }
257
1
    }
258
    /* a new one */
259
2
    lu = X509_LOOKUP_new(m);
260
2
    if (lu == NULL) {
261
0
        X509err(X509_F_X509_STORE_ADD_LOOKUP, ERR_R_MALLOC_FAILURE);
262
0
        return NULL;
263
0
    }
264
265
2
    lu->store_ctx = v;
266
2
    if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
267
2
        return lu;
268
    /* malloc failed */
269
0
    X509err(X509_F_X509_STORE_ADD_LOOKUP, ERR_R_MALLOC_FAILURE);
270
0
    X509_LOOKUP_free(lu);
271
0
    return NULL;
272
2
}
273
274
X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs,
275
                                               X509_LOOKUP_TYPE type,
276
                                               X509_NAME *name)
277
0
{
278
0
    X509_OBJECT *ret = X509_OBJECT_new();
279
280
0
    if (ret == NULL)
281
0
        return NULL;
282
0
    if (!X509_STORE_CTX_get_by_subject(vs, type, name, ret)) {
283
0
        X509_OBJECT_free(ret);
284
0
        return NULL;
285
0
    }
286
0
    return ret;
287
0
}
288
289
int X509_STORE_CTX_get_by_subject(X509_STORE_CTX *vs, X509_LOOKUP_TYPE type,
290
                                  X509_NAME *name, X509_OBJECT *ret)
291
0
{
292
0
    X509_STORE *store = vs->ctx;
293
0
    X509_LOOKUP *lu;
294
0
    X509_OBJECT stmp, *tmp;
295
0
    int i, j;
296
297
0
    if (store == NULL)
298
0
        return 0;
299
300
0
    stmp.type = X509_LU_NONE;
301
0
    stmp.data.ptr = NULL;
302
303
304
0
    X509_STORE_lock(store);
305
0
    tmp = X509_OBJECT_retrieve_by_subject(store->objs, type, name);
306
0
    X509_STORE_unlock(store);
307
308
0
    if (tmp == NULL || type == X509_LU_CRL) {
309
0
        for (i = 0; i < sk_X509_LOOKUP_num(store->get_cert_methods); i++) {
310
0
            lu = sk_X509_LOOKUP_value(store->get_cert_methods, i);
311
0
            j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
312
0
            if (j) {
313
0
                tmp = &stmp;
314
0
                break;
315
0
            }
316
0
        }
317
0
        if (tmp == NULL)
318
0
            return 0;
319
0
    }
320
321
0
    if (!X509_OBJECT_up_ref_count(tmp))
322
0
        return 0;
323
324
0
    ret->type = tmp->type;
325
0
    ret->data.ptr = tmp->data.ptr;
326
327
0
    return 1;
328
0
}
329
330
0
static int x509_store_add(X509_STORE *store, void *x, int crl) {
331
0
    X509_OBJECT *obj;
332
0
    int ret = 0, added = 0;
333
334
0
    if (x == NULL)
335
0
        return 0;
336
0
    obj = X509_OBJECT_new();
337
0
    if (obj == NULL)
338
0
        return 0;
339
340
0
    if (crl) {
341
0
        obj->type = X509_LU_CRL;
342
0
        obj->data.crl = (X509_CRL *)x;
343
0
    } else {
344
0
        obj->type = X509_LU_X509;
345
0
        obj->data.x509 = (X509 *)x;
346
0
    }
347
0
    if (!X509_OBJECT_up_ref_count(obj)) {
348
0
        obj->type = X509_LU_NONE;
349
0
        X509_OBJECT_free(obj);
350
0
        return 0;
351
0
    }
352
353
0
    X509_STORE_lock(store);
354
0
    if (X509_OBJECT_retrieve_match(store->objs, obj)) {
355
0
        ret = 1;
356
0
    } else {
357
0
        added = sk_X509_OBJECT_push(store->objs, obj);
358
0
        ret = added != 0;
359
0
    }
360
0
    X509_STORE_unlock(store);
361
362
0
    if (added == 0)             /* obj not pushed */
363
0
        X509_OBJECT_free(obj);
364
365
0
    return ret;
366
0
}
367
368
int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
369
0
{
370
0
    if (!x509_store_add(ctx, x, 0)) {
371
0
        X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
372
0
        return 0;
373
0
    }
374
0
    return 1;
375
0
}
376
377
int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
378
0
{
379
0
    if (!x509_store_add(ctx, x, 1)) {
380
0
        X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
381
0
        return 0;
382
0
    }
383
0
    return 1;
384
0
}
385
386
int X509_OBJECT_up_ref_count(X509_OBJECT *a)
387
0
{
388
0
    switch (a->type) {
389
0
    case X509_LU_NONE:
390
0
        break;
391
0
    case X509_LU_X509:
392
0
        return X509_up_ref(a->data.x509);
393
0
    case X509_LU_CRL:
394
0
        return X509_CRL_up_ref(a->data.crl);
395
0
    }
396
0
    return 1;
397
0
}
398
399
X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a)
400
0
{
401
0
    if (a == NULL || a->type != X509_LU_X509)
402
0
        return NULL;
403
0
    return a->data.x509;
404
0
}
405
406
X509_CRL *X509_OBJECT_get0_X509_CRL(X509_OBJECT *a)
407
0
{
408
0
    if (a == NULL || a->type != X509_LU_CRL)
409
0
        return NULL;
410
0
    return a->data.crl;
411
0
}
412
413
X509_LOOKUP_TYPE X509_OBJECT_get_type(const X509_OBJECT *a)
414
0
{
415
0
    return a->type;
416
0
}
417
418
X509_OBJECT *X509_OBJECT_new(void)
419
0
{
420
0
    X509_OBJECT *ret = OPENSSL_zalloc(sizeof(*ret));
421
422
0
    if (ret == NULL) {
423
0
        X509err(X509_F_X509_OBJECT_NEW, ERR_R_MALLOC_FAILURE);
424
0
        return NULL;
425
0
    }
426
0
    ret->type = X509_LU_NONE;
427
0
    return ret;
428
0
}
429
430
static void x509_object_free_internal(X509_OBJECT *a)
431
0
{
432
0
    if (a == NULL)
433
0
        return;
434
0
    switch (a->type) {
435
0
    case X509_LU_NONE:
436
0
        break;
437
0
    case X509_LU_X509:
438
0
        X509_free(a->data.x509);
439
0
        break;
440
0
    case X509_LU_CRL:
441
0
        X509_CRL_free(a->data.crl);
442
0
        break;
443
0
    }
444
0
}
445
446
int X509_OBJECT_set1_X509(X509_OBJECT *a, X509 *obj)
447
0
{
448
0
    if (a == NULL || !X509_up_ref(obj))
449
0
        return 0;
450
451
0
    x509_object_free_internal(a);
452
0
    a->type = X509_LU_X509;
453
0
    a->data.x509 = obj;
454
0
    return 1;
455
0
}
456
457
int X509_OBJECT_set1_X509_CRL(X509_OBJECT *a, X509_CRL *obj)
458
0
{
459
0
    if (a == NULL || !X509_CRL_up_ref(obj))
460
0
        return 0;
461
462
0
    x509_object_free_internal(a);
463
0
    a->type = X509_LU_CRL;
464
0
    a->data.crl = obj;
465
0
    return 1;
466
0
}
467
468
void X509_OBJECT_free(X509_OBJECT *a)
469
0
{
470
0
    x509_object_free_internal(a);
471
0
    OPENSSL_free(a);
472
0
}
473
474
static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
475
                               X509_NAME *name, int *pnmatch)
476
0
{
477
0
    X509_OBJECT stmp;
478
0
    X509 x509_s;
479
0
    X509_CRL crl_s;
480
0
    int idx;
481
482
0
    stmp.type = type;
483
0
    switch (type) {
484
0
    case X509_LU_X509:
485
0
        stmp.data.x509 = &x509_s;
486
0
        x509_s.cert_info.subject = name;
487
0
        break;
488
0
    case X509_LU_CRL:
489
0
        stmp.data.crl = &crl_s;
490
0
        crl_s.crl.issuer = name;
491
0
        break;
492
0
    case X509_LU_NONE:
493
        /* abort(); */
494
0
        return -1;
495
0
    }
496
497
0
    idx = sk_X509_OBJECT_find(h, &stmp);
498
0
    if (idx >= 0 && pnmatch) {
499
0
        int tidx;
500
0
        const X509_OBJECT *tobj, *pstmp;
501
0
        *pnmatch = 1;
502
0
        pstmp = &stmp;
503
0
        for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
504
0
            tobj = sk_X509_OBJECT_value(h, tidx);
505
0
            if (x509_object_cmp(&tobj, &pstmp))
506
0
                break;
507
0
            (*pnmatch)++;
508
0
        }
509
0
    }
510
0
    return idx;
511
0
}
512
513
int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
514
                               X509_NAME *name)
515
0
{
516
0
    return x509_object_idx_cnt(h, type, name, NULL);
517
0
}
518
519
X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
520
                                             X509_LOOKUP_TYPE type,
521
                                             X509_NAME *name)
522
0
{
523
0
    int idx;
524
0
    idx = X509_OBJECT_idx_by_subject(h, type, name);
525
0
    if (idx == -1)
526
0
        return NULL;
527
0
    return sk_X509_OBJECT_value(h, idx);
528
0
}
529
530
STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *v)
531
0
{
532
0
    return v->objs;
533
0
}
534
535
STACK_OF(X509) *X509_STORE_CTX_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
536
0
{
537
0
    int i, idx, cnt;
538
0
    STACK_OF(X509) *sk = NULL;
539
0
    X509 *x;
540
0
    X509_OBJECT *obj;
541
0
    X509_STORE *store = ctx->ctx;
542
543
0
    if (store == NULL)
544
0
        return NULL;
545
546
0
    X509_STORE_lock(store);
547
0
    idx = x509_object_idx_cnt(store->objs, X509_LU_X509, nm, &cnt);
548
0
    if (idx < 0) {
549
        /*
550
         * Nothing found in cache: do lookup to possibly add new objects to
551
         * cache
552
         */
553
0
        X509_OBJECT *xobj = X509_OBJECT_new();
554
555
0
        X509_STORE_unlock(store);
556
557
0
        if (xobj == NULL)
558
0
            return NULL;
559
0
        if (!X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, nm, xobj)) {
560
0
            X509_OBJECT_free(xobj);
561
0
            return NULL;
562
0
        }
563
0
        X509_OBJECT_free(xobj);
564
0
        X509_STORE_lock(store);
565
0
        idx = x509_object_idx_cnt(store->objs, X509_LU_X509, nm, &cnt);
566
0
        if (idx < 0) {
567
0
            X509_STORE_unlock(store);
568
0
            return NULL;
569
0
        }
570
0
    }
571
572
0
    sk = sk_X509_new_null();
573
0
    for (i = 0; i < cnt; i++, idx++) {
574
0
        obj = sk_X509_OBJECT_value(store->objs, idx);
575
0
        x = obj->data.x509;
576
0
        if (!X509_up_ref(x)) {
577
0
            X509_STORE_unlock(store);
578
0
            sk_X509_pop_free(sk, X509_free);
579
0
            return NULL;
580
0
        }
581
0
        if (!sk_X509_push(sk, x)) {
582
0
            X509_STORE_unlock(store);
583
0
            X509_free(x);
584
0
            sk_X509_pop_free(sk, X509_free);
585
0
            return NULL;
586
0
        }
587
0
    }
588
0
    X509_STORE_unlock(store);
589
0
    return sk;
590
0
}
591
592
STACK_OF(X509_CRL) *X509_STORE_CTX_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
593
0
{
594
0
    int i, idx, cnt;
595
0
    STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
596
0
    X509_CRL *x;
597
0
    X509_OBJECT *obj, *xobj = X509_OBJECT_new();
598
0
    X509_STORE *store = ctx->ctx;
599
600
    /* Always do lookup to possibly add new CRLs to cache */
601
0
    if (sk == NULL
602
0
            || xobj == NULL
603
0
            || store == NULL
604
0
            || !X509_STORE_CTX_get_by_subject(ctx, X509_LU_CRL, nm, xobj)) {
605
0
        X509_OBJECT_free(xobj);
606
0
        sk_X509_CRL_free(sk);
607
0
        return NULL;
608
0
    }
609
0
    X509_OBJECT_free(xobj);
610
0
    X509_STORE_lock(store);
611
0
    idx = x509_object_idx_cnt(store->objs, X509_LU_CRL, nm, &cnt);
612
0
    if (idx < 0) {
613
0
        X509_STORE_unlock(store);
614
0
        sk_X509_CRL_free(sk);
615
0
        return NULL;
616
0
    }
617
618
0
    for (i = 0; i < cnt; i++, idx++) {
619
0
        obj = sk_X509_OBJECT_value(store->objs, idx);
620
0
        x = obj->data.crl;
621
0
        if (!X509_CRL_up_ref(x)) {
622
0
            X509_STORE_unlock(store);
623
0
            sk_X509_CRL_pop_free(sk, X509_CRL_free);
624
0
            return NULL;
625
0
        }
626
0
        if (!sk_X509_CRL_push(sk, x)) {
627
0
            X509_STORE_unlock(store);
628
0
            X509_CRL_free(x);
629
0
            sk_X509_CRL_pop_free(sk, X509_CRL_free);
630
0
            return NULL;
631
0
        }
632
0
    }
633
0
    X509_STORE_unlock(store);
634
0
    return sk;
635
0
}
636
637
X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
638
                                        X509_OBJECT *x)
639
0
{
640
0
    int idx, i, num;
641
0
    X509_OBJECT *obj;
642
643
0
    idx = sk_X509_OBJECT_find(h, x);
644
0
    if (idx < 0)
645
0
        return NULL;
646
0
    if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
647
0
        return sk_X509_OBJECT_value(h, idx);
648
0
    for (i = idx, num = sk_X509_OBJECT_num(h); i < num; i++) {
649
0
        obj = sk_X509_OBJECT_value(h, i);
650
0
        if (x509_object_cmp((const X509_OBJECT **)&obj,
651
0
                            (const X509_OBJECT **)&x))
652
0
            return NULL;
653
0
        if (x->type == X509_LU_X509) {
654
0
            if (!X509_cmp(obj->data.x509, x->data.x509))
655
0
                return obj;
656
0
        } else if (x->type == X509_LU_CRL) {
657
0
            if (!X509_CRL_match(obj->data.crl, x->data.crl))
658
0
                return obj;
659
0
        } else
660
0
            return obj;
661
0
    }
662
0
    return NULL;
663
0
}
664
665
/*-
666
 * Try to get issuer certificate from store. Due to limitations
667
 * of the API this can only retrieve a single certificate matching
668
 * a given subject name. However it will fill the cache with all
669
 * matching certificates, so we can examine the cache for all
670
 * matches.
671
 *
672
 * Return values are:
673
 *  1 lookup successful.
674
 *  0 certificate not found.
675
 * -1 some other error.
676
 */
677
int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
678
0
{
679
0
    X509_NAME *xn;
680
0
    X509_OBJECT *obj = X509_OBJECT_new(), *pobj = NULL;
681
0
    X509_STORE *store = ctx->ctx;
682
0
    int i, ok, idx, ret;
683
684
0
    if (obj == NULL)
685
0
        return -1;
686
0
    *issuer = NULL;
687
0
    xn = X509_get_issuer_name(x);
688
0
    ok = X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, xn, obj);
689
0
    if (ok != 1) {
690
0
        X509_OBJECT_free(obj);
691
0
        return 0;
692
0
    }
693
    /* If certificate matches all OK */
694
0
    if (ctx->check_issued(ctx, x, obj->data.x509)) {
695
0
        if (x509_check_cert_time(ctx, obj->data.x509, -1)) {
696
0
            *issuer = obj->data.x509;
697
0
            if (!X509_up_ref(*issuer)) {
698
0
                *issuer = NULL;
699
0
                ok = -1;
700
0
            }
701
0
            X509_OBJECT_free(obj);
702
0
            return ok;
703
0
        }
704
0
    }
705
0
    X509_OBJECT_free(obj);
706
707
0
    if (store == NULL)
708
0
        return 0;
709
710
    /* Else find index of first cert accepted by 'check_issued' */
711
0
    ret = 0;
712
0
    X509_STORE_lock(store);
713
0
    idx = X509_OBJECT_idx_by_subject(store->objs, X509_LU_X509, xn);
714
0
    if (idx != -1) {            /* should be true as we've had at least one
715
                                 * match */
716
        /* Look through all matching certs for suitable issuer */
717
0
        for (i = idx; i < sk_X509_OBJECT_num(store->objs); i++) {
718
0
            pobj = sk_X509_OBJECT_value(store->objs, i);
719
            /* See if we've run past the matches */
720
0
            if (pobj->type != X509_LU_X509)
721
0
                break;
722
0
            if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
723
0
                break;
724
0
            if (ctx->check_issued(ctx, x, pobj->data.x509)) {
725
0
                *issuer = pobj->data.x509;
726
0
                ret = 1;
727
                /*
728
                 * If times check, exit with match,
729
                 * otherwise keep looking. Leave last
730
                 * match in issuer so we return nearest
731
                 * match if no certificate time is OK.
732
                 */
733
734
0
                if (x509_check_cert_time(ctx, *issuer, -1))
735
0
                    break;
736
0
            }
737
0
        }
738
0
    }
739
0
    if (*issuer && !X509_up_ref(*issuer)) {
740
0
        *issuer = NULL;
741
0
        ret = -1;
742
0
    }
743
0
    X509_STORE_unlock(store);
744
0
    return ret;
745
0
}
746
747
int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
748
0
{
749
0
    return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
750
0
}
751
752
int X509_STORE_set_depth(X509_STORE *ctx, int depth)
753
0
{
754
0
    X509_VERIFY_PARAM_set_depth(ctx->param, depth);
755
0
    return 1;
756
0
}
757
758
int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
759
0
{
760
0
    return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
761
0
}
762
763
int X509_STORE_set_trust(X509_STORE *ctx, int trust)
764
0
{
765
0
    return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
766
0
}
767
768
int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
769
0
{
770
0
    return X509_VERIFY_PARAM_set1(ctx->param, param);
771
0
}
772
773
X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx)
774
0
{
775
0
    return ctx->param;
776
0
}
777
778
void X509_STORE_set_verify(X509_STORE *ctx, X509_STORE_CTX_verify_fn verify)
779
0
{
780
0
    ctx->verify = verify;
781
0
}
782
783
X509_STORE_CTX_verify_fn X509_STORE_get_verify(X509_STORE *ctx)
784
0
{
785
0
    return ctx->verify;
786
0
}
787
788
void X509_STORE_set_verify_cb(X509_STORE *ctx,
789
                              X509_STORE_CTX_verify_cb verify_cb)
790
0
{
791
0
    ctx->verify_cb = verify_cb;
792
0
}
793
794
X509_STORE_CTX_verify_cb X509_STORE_get_verify_cb(X509_STORE *ctx)
795
0
{
796
0
    return ctx->verify_cb;
797
0
}
798
799
void X509_STORE_set_get_issuer(X509_STORE *ctx,
800
                               X509_STORE_CTX_get_issuer_fn get_issuer)
801
0
{
802
0
    ctx->get_issuer = get_issuer;
803
0
}
804
805
X509_STORE_CTX_get_issuer_fn X509_STORE_get_get_issuer(X509_STORE *ctx)
806
0
{
807
0
    return ctx->get_issuer;
808
0
}
809
810
void X509_STORE_set_check_issued(X509_STORE *ctx,
811
                                 X509_STORE_CTX_check_issued_fn check_issued)
812
0
{
813
0
    ctx->check_issued = check_issued;
814
0
}
815
816
X509_STORE_CTX_check_issued_fn X509_STORE_get_check_issued(X509_STORE *ctx)
817
0
{
818
0
    return ctx->check_issued;
819
0
}
820
821
void X509_STORE_set_check_revocation(X509_STORE *ctx,
822
                                     X509_STORE_CTX_check_revocation_fn check_revocation)
823
0
{
824
0
    ctx->check_revocation = check_revocation;
825
0
}
826
827
X509_STORE_CTX_check_revocation_fn X509_STORE_get_check_revocation(X509_STORE *ctx)
828
0
{
829
0
    return ctx->check_revocation;
830
0
}
831
832
void X509_STORE_set_get_crl(X509_STORE *ctx,
833
                            X509_STORE_CTX_get_crl_fn get_crl)
834
0
{
835
0
    ctx->get_crl = get_crl;
836
0
}
837
838
X509_STORE_CTX_get_crl_fn X509_STORE_get_get_crl(X509_STORE *ctx)
839
0
{
840
0
    return ctx->get_crl;
841
0
}
842
843
void X509_STORE_set_check_crl(X509_STORE *ctx,
844
                              X509_STORE_CTX_check_crl_fn check_crl)
845
0
{
846
0
    ctx->check_crl = check_crl;
847
0
}
848
849
X509_STORE_CTX_check_crl_fn X509_STORE_get_check_crl(X509_STORE *ctx)
850
0
{
851
0
    return ctx->check_crl;
852
0
}
853
854
void X509_STORE_set_cert_crl(X509_STORE *ctx,
855
                             X509_STORE_CTX_cert_crl_fn cert_crl)
856
0
{
857
0
    ctx->cert_crl = cert_crl;
858
0
}
859
860
X509_STORE_CTX_cert_crl_fn X509_STORE_get_cert_crl(X509_STORE *ctx)
861
0
{
862
0
    return ctx->cert_crl;
863
0
}
864
865
void X509_STORE_set_check_policy(X509_STORE *ctx,
866
                                 X509_STORE_CTX_check_policy_fn check_policy)
867
0
{
868
0
    ctx->check_policy = check_policy;
869
0
}
870
871
X509_STORE_CTX_check_policy_fn X509_STORE_get_check_policy(X509_STORE *ctx)
872
0
{
873
0
    return ctx->check_policy;
874
0
}
875
876
void X509_STORE_set_lookup_certs(X509_STORE *ctx,
877
                                 X509_STORE_CTX_lookup_certs_fn lookup_certs)
878
0
{
879
0
    ctx->lookup_certs = lookup_certs;
880
0
}
881
882
X509_STORE_CTX_lookup_certs_fn X509_STORE_get_lookup_certs(X509_STORE *ctx)
883
0
{
884
0
    return ctx->lookup_certs;
885
0
}
886
887
void X509_STORE_set_lookup_crls(X509_STORE *ctx,
888
                                X509_STORE_CTX_lookup_crls_fn lookup_crls)
889
0
{
890
0
    ctx->lookup_crls = lookup_crls;
891
0
}
892
893
X509_STORE_CTX_lookup_crls_fn X509_STORE_get_lookup_crls(X509_STORE *ctx)
894
0
{
895
0
    return ctx->lookup_crls;
896
0
}
897
898
void X509_STORE_set_cleanup(X509_STORE *ctx,
899
                            X509_STORE_CTX_cleanup_fn ctx_cleanup)
900
0
{
901
0
    ctx->cleanup = ctx_cleanup;
902
0
}
903
904
X509_STORE_CTX_cleanup_fn X509_STORE_get_cleanup(X509_STORE *ctx)
905
0
{
906
0
    return ctx->cleanup;
907
0
}
908
909
int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data)
910
0
{
911
0
    return CRYPTO_set_ex_data(&ctx->ex_data, idx, data);
912
0
}
913
914
void *X509_STORE_get_ex_data(X509_STORE *ctx, int idx)
915
0
{
916
0
    return CRYPTO_get_ex_data(&ctx->ex_data, idx);
917
0
}
918
919
X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
920
0
{
921
0
    return ctx->ctx;
922
0
}