Coverage Report

Created: 2018-08-29 13:53

/src/openssl/crypto/x509/x509_lu.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 1995-2018 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 "internal/x509_int.h"
15
#include <openssl/x509v3.h>
16
#include "x509_lcl.h"
17
18
X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
19
0
{
20
0
    X509_LOOKUP *ret = OPENSSL_zalloc(sizeof(*ret));
21
0
22
0
    if (ret == NULL) {
23
0
        X509err(X509_F_X509_LOOKUP_NEW, ERR_R_MALLOC_FAILURE);
24
0
        return NULL;
25
0
    }
26
0
27
0
    ret->method = method;
28
0
    if (method->new_item != NULL && method->new_item(ret) == 0) {
29
0
        OPENSSL_free(ret);
30
0
        return NULL;
31
0
    }
32
0
    return ret;
33
0
}
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
0
{
77
0
    if (ctx->method == NULL)
78
0
        return -1;
79
0
    if (ctx->method->ctrl != NULL)
80
0
        return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
81
0
    else
82
0
        return 1;
83
0
}
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
0
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
0
        /* abort(); */
155
0
        return 0;
156
0
    }
157
0
    return ret;
158
0
}
159
160
X509_STORE *X509_STORE_new(void)
161
0
{
162
0
    X509_STORE *ret = OPENSSL_zalloc(sizeof(*ret));
163
0
164
0
    if (ret == NULL) {
165
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
166
0
        return NULL;
167
0
    }
168
0
    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
0
    ret->cache = 1;
173
0
    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
0
178
0
    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
0
    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
0
187
0
    ret->lock = CRYPTO_THREAD_lock_new();
188
0
    if (ret->lock == NULL) {
189
0
        X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
190
0
        goto err;
191
0
    }
192
0
193
0
    ret->references = 1;
194
0
    return ret;
195
0
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
0
}
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
0
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
0
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
0
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
0
237
0
    if (CRYPTO_UP_REF(&vfy->references, &i, vfy->lock) <= 0)
238
0
        return 0;
239
0
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
0
{
247
0
    int i;
248
0
    STACK_OF(X509_LOOKUP) *sk;
249
0
    X509_LOOKUP *lu;
250
0
251
0
    sk = v->get_cert_methods;
252
0
    for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
253
0
        lu = sk_X509_LOOKUP_value(sk, i);
254
0
        if (m == lu->method) {
255
0
            return lu;
256
0
        }
257
0
    }
258
0
    /* a new one */
259
0
    lu = X509_LOOKUP_new(m);
260
0
    if (lu == NULL) {
261
0
        X509err(X509_F_X509_STORE_ADD_LOOKUP, ERR_R_MALLOC_FAILURE);
262
0
        return NULL;
263
0
    }
264
0
265
0
    lu->store_ctx = v;
266
0
    if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
267
0
        return lu;
268
0
    /* 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
0
}
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
0
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 *ctx = vs->ctx;
293
0
    X509_LOOKUP *lu;
294
0
    X509_OBJECT stmp, *tmp;
295
0
    int i, j;
296
0
297
0
    if (ctx == NULL)
298
0
        return 0;
299
0
300
0
    CRYPTO_THREAD_write_lock(ctx->lock);
301
0
    tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
302
0
    CRYPTO_THREAD_unlock(ctx->lock);
303
0
304
0
    if (tmp == NULL || type == X509_LU_CRL) {
305
0
        for (i = 0; i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
306
0
            lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
307
0
            j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
308
0
            if (j) {
309
0
                tmp = &stmp;
310
0
                break;
311
0
            }
312
0
        }
313
0
        if (tmp == NULL)
314
0
            return 0;
315
0
    }
316
0
317
0
    ret->type = tmp->type;
318
0
    ret->data.ptr = tmp->data.ptr;
319
0
320
0
    X509_OBJECT_up_ref_count(ret);
321
0
322
0
    return 1;
323
0
}
324
325
0
static int x509_store_add(X509_STORE *ctx, void *x, int crl) {
326
0
    X509_OBJECT *obj;
327
0
    int ret = 0, added = 0;
328
0
329
0
    if (x == NULL)
330
0
        return 0;
331
0
    obj = X509_OBJECT_new();
332
0
    if (obj == NULL)
333
0
        return 0;
334
0
335
0
    if (crl) {
336
0
        obj->type = X509_LU_CRL;
337
0
        obj->data.crl = (X509_CRL *)x;
338
0
    } else {
339
0
        obj->type = X509_LU_X509;
340
0
        obj->data.x509 = (X509 *)x;
341
0
    }
342
0
    X509_OBJECT_up_ref_count(obj);
343
0
344
0
    CRYPTO_THREAD_write_lock(ctx->lock);
345
0
346
0
    if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
347
0
        ret = 1;
348
0
    } else {
349
0
        added = sk_X509_OBJECT_push(ctx->objs, obj);
350
0
        ret = added != 0;
351
0
    }
352
0
353
0
    CRYPTO_THREAD_unlock(ctx->lock);
354
0
355
0
    if (added == 0)             /* obj not pushed */
356
0
        X509_OBJECT_free(obj);
357
0
358
0
    return ret;
359
0
}
360
361
int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
362
0
{
363
0
    if (!x509_store_add(ctx, x, 0)) {
364
0
        X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
365
0
        return 0;
366
0
    }
367
0
    return 1;
368
0
}
369
370
int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
371
0
{
372
0
    if (!x509_store_add(ctx, x, 1)) {
373
0
        X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
374
0
        return 0;
375
0
    }
376
0
    return 1;
377
0
}
378
379
int X509_OBJECT_up_ref_count(X509_OBJECT *a)
380
0
{
381
0
    switch (a->type) {
382
0
    case X509_LU_NONE:
383
0
        break;
384
0
    case X509_LU_X509:
385
0
        return X509_up_ref(a->data.x509);
386
0
    case X509_LU_CRL:
387
0
        return X509_CRL_up_ref(a->data.crl);
388
0
    }
389
0
    return 1;
390
0
}
391
392
X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a)
393
0
{
394
0
    if (a == NULL || a->type != X509_LU_X509)
395
0
        return NULL;
396
0
    return a->data.x509;
397
0
}
398
399
X509_CRL *X509_OBJECT_get0_X509_CRL(X509_OBJECT *a)
400
0
{
401
0
    if (a == NULL || a->type != X509_LU_CRL)
402
0
        return NULL;
403
0
    return a->data.crl;
404
0
}
405
406
X509_LOOKUP_TYPE X509_OBJECT_get_type(const X509_OBJECT *a)
407
0
{
408
0
    return a->type;
409
0
}
410
411
X509_OBJECT *X509_OBJECT_new(void)
412
0
{
413
0
    X509_OBJECT *ret = OPENSSL_zalloc(sizeof(*ret));
414
0
415
0
    if (ret == NULL) {
416
0
        X509err(X509_F_X509_OBJECT_NEW, ERR_R_MALLOC_FAILURE);
417
0
        return NULL;
418
0
    }
419
0
    ret->type = X509_LU_NONE;
420
0
    return ret;
421
0
}
422
423
static void x509_object_free_internal(X509_OBJECT *a)
424
0
{
425
0
    if (a == NULL)
426
0
        return;
427
0
    switch (a->type) {
428
0
    case X509_LU_NONE:
429
0
        break;
430
0
    case X509_LU_X509:
431
0
        X509_free(a->data.x509);
432
0
        break;
433
0
    case X509_LU_CRL:
434
0
        X509_CRL_free(a->data.crl);
435
0
        break;
436
0
    }
437
0
}
438
439
int X509_OBJECT_set1_X509(X509_OBJECT *a, X509 *obj)
440
0
{
441
0
    if (a == NULL || !X509_up_ref(obj))
442
0
        return 0;
443
0
444
0
    x509_object_free_internal(a);
445
0
    a->type = X509_LU_X509;
446
0
    a->data.x509 = obj;
447
0
    return 1;
448
0
}
449
450
int X509_OBJECT_set1_X509_CRL(X509_OBJECT *a, X509_CRL *obj)
451
0
{
452
0
    if (a == NULL || !X509_CRL_up_ref(obj))
453
0
        return 0;
454
0
455
0
    x509_object_free_internal(a);
456
0
    a->type = X509_LU_CRL;
457
0
    a->data.crl = obj;
458
0
    return 1;
459
0
}
460
461
void X509_OBJECT_free(X509_OBJECT *a)
462
0
{
463
0
    x509_object_free_internal(a);
464
0
    OPENSSL_free(a);
465
0
}
466
467
static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
468
                               X509_NAME *name, int *pnmatch)
469
0
{
470
0
    X509_OBJECT stmp;
471
0
    X509 x509_s;
472
0
    X509_CRL crl_s;
473
0
    int idx;
474
0
475
0
    stmp.type = type;
476
0
    switch (type) {
477
0
    case X509_LU_X509:
478
0
        stmp.data.x509 = &x509_s;
479
0
        x509_s.cert_info.subject = name;
480
0
        break;
481
0
    case X509_LU_CRL:
482
0
        stmp.data.crl = &crl_s;
483
0
        crl_s.crl.issuer = name;
484
0
        break;
485
0
    case X509_LU_NONE:
486
0
        /* abort(); */
487
0
        return -1;
488
0
    }
489
0
490
0
    idx = sk_X509_OBJECT_find(h, &stmp);
491
0
    if (idx >= 0 && pnmatch) {
492
0
        int tidx;
493
0
        const X509_OBJECT *tobj, *pstmp;
494
0
        *pnmatch = 1;
495
0
        pstmp = &stmp;
496
0
        for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
497
0
            tobj = sk_X509_OBJECT_value(h, tidx);
498
0
            if (x509_object_cmp(&tobj, &pstmp))
499
0
                break;
500
0
            (*pnmatch)++;
501
0
        }
502
0
    }
503
0
    return idx;
504
0
}
505
506
int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
507
                               X509_NAME *name)
508
0
{
509
0
    return x509_object_idx_cnt(h, type, name, NULL);
510
0
}
511
512
X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
513
                                             X509_LOOKUP_TYPE type,
514
                                             X509_NAME *name)
515
0
{
516
0
    int idx;
517
0
    idx = X509_OBJECT_idx_by_subject(h, type, name);
518
0
    if (idx == -1)
519
0
        return NULL;
520
0
    return sk_X509_OBJECT_value(h, idx);
521
0
}
522
523
STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *v)
524
0
{
525
0
    return v->objs;
526
0
}
527
528
STACK_OF(X509) *X509_STORE_CTX_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
529
0
{
530
0
    int i, idx, cnt;
531
0
    STACK_OF(X509) *sk = NULL;
532
0
    X509 *x;
533
0
    X509_OBJECT *obj;
534
0
535
0
    if (ctx->ctx == NULL)
536
0
        return NULL;
537
0
538
0
    CRYPTO_THREAD_write_lock(ctx->ctx->lock);
539
0
    idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
540
0
    if (idx < 0) {
541
0
        /*
542
0
         * Nothing found in cache: do lookup to possibly add new objects to
543
0
         * cache
544
0
         */
545
0
        X509_OBJECT *xobj = X509_OBJECT_new();
546
0
547
0
        CRYPTO_THREAD_unlock(ctx->ctx->lock);
548
0
        if (xobj == NULL)
549
0
            return NULL;
550
0
        if (!X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, nm, xobj)) {
551
0
            X509_OBJECT_free(xobj);
552
0
            return NULL;
553
0
        }
554
0
        X509_OBJECT_free(xobj);
555
0
        CRYPTO_THREAD_write_lock(ctx->ctx->lock);
556
0
        idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
557
0
        if (idx < 0) {
558
0
            CRYPTO_THREAD_unlock(ctx->ctx->lock);
559
0
            return NULL;
560
0
        }
561
0
    }
562
0
563
0
    sk = sk_X509_new_null();
564
0
    for (i = 0; i < cnt; i++, idx++) {
565
0
        obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
566
0
        x = obj->data.x509;
567
0
        X509_up_ref(x);
568
0
        if (!sk_X509_push(sk, x)) {
569
0
            CRYPTO_THREAD_unlock(ctx->ctx->lock);
570
0
            X509_free(x);
571
0
            sk_X509_pop_free(sk, X509_free);
572
0
            return NULL;
573
0
        }
574
0
    }
575
0
    CRYPTO_THREAD_unlock(ctx->ctx->lock);
576
0
    return sk;
577
0
}
578
579
STACK_OF(X509_CRL) *X509_STORE_CTX_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
580
0
{
581
0
    int i, idx, cnt;
582
0
    STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
583
0
    X509_CRL *x;
584
0
    X509_OBJECT *obj, *xobj = X509_OBJECT_new();
585
0
586
0
    /* Always do lookup to possibly add new CRLs to cache */
587
0
    if (sk == NULL
588
0
            || xobj == NULL
589
0
            || ctx->ctx == NULL
590
0
            || !X509_STORE_CTX_get_by_subject(ctx, X509_LU_CRL, nm, xobj)) {
591
0
        X509_OBJECT_free(xobj);
592
0
        sk_X509_CRL_free(sk);
593
0
        return NULL;
594
0
    }
595
0
    X509_OBJECT_free(xobj);
596
0
    CRYPTO_THREAD_write_lock(ctx->ctx->lock);
597
0
    idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
598
0
    if (idx < 0) {
599
0
        CRYPTO_THREAD_unlock(ctx->ctx->lock);
600
0
        sk_X509_CRL_free(sk);
601
0
        return NULL;
602
0
    }
603
0
604
0
    for (i = 0; i < cnt; i++, idx++) {
605
0
        obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
606
0
        x = obj->data.crl;
607
0
        X509_CRL_up_ref(x);
608
0
        if (!sk_X509_CRL_push(sk, x)) {
609
0
            CRYPTO_THREAD_unlock(ctx->ctx->lock);
610
0
            X509_CRL_free(x);
611
0
            sk_X509_CRL_pop_free(sk, X509_CRL_free);
612
0
            return NULL;
613
0
        }
614
0
    }
615
0
    CRYPTO_THREAD_unlock(ctx->ctx->lock);
616
0
    return sk;
617
0
}
618
619
X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
620
                                        X509_OBJECT *x)
621
0
{
622
0
    int idx, i, num;
623
0
    X509_OBJECT *obj;
624
0
625
0
    idx = sk_X509_OBJECT_find(h, x);
626
0
    if (idx < 0)
627
0
        return NULL;
628
0
    if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
629
0
        return sk_X509_OBJECT_value(h, idx);
630
0
    for (i = idx, num = sk_X509_OBJECT_num(h); i < num; i++) {
631
0
        obj = sk_X509_OBJECT_value(h, i);
632
0
        if (x509_object_cmp((const X509_OBJECT **)&obj,
633
0
                            (const X509_OBJECT **)&x))
634
0
            return NULL;
635
0
        if (x->type == X509_LU_X509) {
636
0
            if (!X509_cmp(obj->data.x509, x->data.x509))
637
0
                return obj;
638
0
        } else if (x->type == X509_LU_CRL) {
639
0
            if (!X509_CRL_match(obj->data.crl, x->data.crl))
640
0
                return obj;
641
0
        } else
642
0
            return obj;
643
0
    }
644
0
    return NULL;
645
0
}
646
647
/*-
648
 * Try to get issuer certificate from store. Due to limitations
649
 * of the API this can only retrieve a single certificate matching
650
 * a given subject name. However it will fill the cache with all
651
 * matching certificates, so we can examine the cache for all
652
 * matches.
653
 *
654
 * Return values are:
655
 *  1 lookup successful.
656
 *  0 certificate not found.
657
 * -1 some other error.
658
 */
659
int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
660
0
{
661
0
    X509_NAME *xn;
662
0
    X509_OBJECT *obj = X509_OBJECT_new(), *pobj = NULL;
663
0
    int i, ok, idx, ret;
664
0
665
0
    if (obj == NULL)
666
0
        return -1;
667
0
    *issuer = NULL;
668
0
    xn = X509_get_issuer_name(x);
669
0
    ok = X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, xn, obj);
670
0
    if (ok != 1) {
671
0
        X509_OBJECT_free(obj);
672
0
        return 0;
673
0
    }
674
0
    /* If certificate matches all OK */
675
0
    if (ctx->check_issued(ctx, x, obj->data.x509)) {
676
0
        if (x509_check_cert_time(ctx, obj->data.x509, -1)) {
677
0
            *issuer = obj->data.x509;
678
0
            X509_up_ref(*issuer);
679
0
            X509_OBJECT_free(obj);
680
0
            return 1;
681
0
        }
682
0
    }
683
0
    X509_OBJECT_free(obj);
684
0
685
0
    if (ctx->ctx == NULL)
686
0
        return 0;
687
0
688
0
    /* Else find index of first cert accepted by 'check_issued' */
689
0
    ret = 0;
690
0
    CRYPTO_THREAD_write_lock(ctx->ctx->lock);
691
0
    idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
692
0
    if (idx != -1) {            /* should be true as we've had at least one
693
0
                                 * match */
694
0
        /* Look through all matching certs for suitable issuer */
695
0
        for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
696
0
            pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
697
0
            /* See if we've run past the matches */
698
0
            if (pobj->type != X509_LU_X509)
699
0
                break;
700
0
            if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
701
0
                break;
702
0
            if (ctx->check_issued(ctx, x, pobj->data.x509)) {
703
0
                *issuer = pobj->data.x509;
704
0
                ret = 1;
705
0
                /*
706
0
                 * If times check, exit with match,
707
0
                 * otherwise keep looking. Leave last
708
0
                 * match in issuer so we return nearest
709
0
                 * match if no certificate time is OK.
710
0
                 */
711
0
712
0
                if (x509_check_cert_time(ctx, *issuer, -1))
713
0
                    break;
714
0
            }
715
0
        }
716
0
    }
717
0
    CRYPTO_THREAD_unlock(ctx->ctx->lock);
718
0
    if (*issuer)
719
0
        X509_up_ref(*issuer);
720
0
    return ret;
721
0
}
722
723
int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
724
0
{
725
0
    return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
726
0
}
727
728
int X509_STORE_set_depth(X509_STORE *ctx, int depth)
729
0
{
730
0
    X509_VERIFY_PARAM_set_depth(ctx->param, depth);
731
0
    return 1;
732
0
}
733
734
int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
735
0
{
736
0
    return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
737
0
}
738
739
int X509_STORE_set_trust(X509_STORE *ctx, int trust)
740
0
{
741
0
    return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
742
0
}
743
744
int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
745
0
{
746
0
    return X509_VERIFY_PARAM_set1(ctx->param, param);
747
0
}
748
749
X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx)
750
0
{
751
0
    return ctx->param;
752
0
}
753
754
void X509_STORE_set_verify(X509_STORE *ctx, X509_STORE_CTX_verify_fn verify)
755
0
{
756
0
    ctx->verify = verify;
757
0
}
758
759
X509_STORE_CTX_verify_fn X509_STORE_get_verify(X509_STORE *ctx)
760
0
{
761
0
    return ctx->verify;
762
0
}
763
764
void X509_STORE_set_verify_cb(X509_STORE *ctx,
765
                              X509_STORE_CTX_verify_cb verify_cb)
766
0
{
767
0
    ctx->verify_cb = verify_cb;
768
0
}
769
770
X509_STORE_CTX_verify_cb X509_STORE_get_verify_cb(X509_STORE *ctx)
771
0
{
772
0
    return ctx->verify_cb;
773
0
}
774
775
void X509_STORE_set_get_issuer(X509_STORE *ctx,
776
                               X509_STORE_CTX_get_issuer_fn get_issuer)
777
0
{
778
0
    ctx->get_issuer = get_issuer;
779
0
}
780
781
X509_STORE_CTX_get_issuer_fn X509_STORE_get_get_issuer(X509_STORE *ctx)
782
0
{
783
0
    return ctx->get_issuer;
784
0
}
785
786
void X509_STORE_set_check_issued(X509_STORE *ctx,
787
                                 X509_STORE_CTX_check_issued_fn check_issued)
788
0
{
789
0
    ctx->check_issued = check_issued;
790
0
}
791
792
X509_STORE_CTX_check_issued_fn X509_STORE_get_check_issued(X509_STORE *ctx)
793
0
{
794
0
    return ctx->check_issued;
795
0
}
796
797
void X509_STORE_set_check_revocation(X509_STORE *ctx,
798
                                     X509_STORE_CTX_check_revocation_fn check_revocation)
799
0
{
800
0
    ctx->check_revocation = check_revocation;
801
0
}
802
803
X509_STORE_CTX_check_revocation_fn X509_STORE_get_check_revocation(X509_STORE *ctx)
804
0
{
805
0
    return ctx->check_revocation;
806
0
}
807
808
void X509_STORE_set_get_crl(X509_STORE *ctx,
809
                            X509_STORE_CTX_get_crl_fn get_crl)
810
0
{
811
0
    ctx->get_crl = get_crl;
812
0
}
813
814
X509_STORE_CTX_get_crl_fn X509_STORE_get_get_crl(X509_STORE *ctx)
815
0
{
816
0
    return ctx->get_crl;
817
0
}
818
819
void X509_STORE_set_check_crl(X509_STORE *ctx,
820
                              X509_STORE_CTX_check_crl_fn check_crl)
821
0
{
822
0
    ctx->check_crl = check_crl;
823
0
}
824
825
X509_STORE_CTX_check_crl_fn X509_STORE_get_check_crl(X509_STORE *ctx)
826
0
{
827
0
    return ctx->check_crl;
828
0
}
829
830
void X509_STORE_set_cert_crl(X509_STORE *ctx,
831
                             X509_STORE_CTX_cert_crl_fn cert_crl)
832
0
{
833
0
    ctx->cert_crl = cert_crl;
834
0
}
835
836
X509_STORE_CTX_cert_crl_fn X509_STORE_get_cert_crl(X509_STORE *ctx)
837
0
{
838
0
    return ctx->cert_crl;
839
0
}
840
841
void X509_STORE_set_check_policy(X509_STORE *ctx,
842
                                 X509_STORE_CTX_check_policy_fn check_policy)
843
0
{
844
0
    ctx->check_policy = check_policy;
845
0
}
846
847
X509_STORE_CTX_check_policy_fn X509_STORE_get_check_policy(X509_STORE *ctx)
848
0
{
849
0
    return ctx->check_policy;
850
0
}
851
852
void X509_STORE_set_lookup_certs(X509_STORE *ctx,
853
                                 X509_STORE_CTX_lookup_certs_fn lookup_certs)
854
0
{
855
0
    ctx->lookup_certs = lookup_certs;
856
0
}
857
858
X509_STORE_CTX_lookup_certs_fn X509_STORE_get_lookup_certs(X509_STORE *ctx)
859
0
{
860
0
    return ctx->lookup_certs;
861
0
}
862
863
void X509_STORE_set_lookup_crls(X509_STORE *ctx,
864
                                X509_STORE_CTX_lookup_crls_fn lookup_crls)
865
0
{
866
0
    ctx->lookup_crls = lookup_crls;
867
0
}
868
869
X509_STORE_CTX_lookup_crls_fn X509_STORE_get_lookup_crls(X509_STORE *ctx)
870
0
{
871
0
    return ctx->lookup_crls;
872
0
}
873
874
void X509_STORE_set_cleanup(X509_STORE *ctx,
875
                            X509_STORE_CTX_cleanup_fn ctx_cleanup)
876
0
{
877
0
    ctx->cleanup = ctx_cleanup;
878
0
}
879
880
X509_STORE_CTX_cleanup_fn X509_STORE_get_cleanup(X509_STORE *ctx)
881
0
{
882
0
    return ctx->cleanup;
883
0
}
884
885
int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data)
886
0
{
887
0
    return CRYPTO_set_ex_data(&ctx->ex_data, idx, data);
888
0
}
889
890
void *X509_STORE_get_ex_data(X509_STORE *ctx, int idx)
891
0
{
892
0
    return CRYPTO_get_ex_data(&ctx->ex_data, idx);
893
0
}
894
895
X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
896
0
{
897
0
    return ctx->ctx;
898
0
}