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7d054e5a | 1 | /* |
d2e9e320 RS |
2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. |
3 | * | |
5477e842 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
d2e9e320 RS |
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 | */ | |
7d054e5a RP |
9 | |
10 | #ifdef OPENSSL_NO_CT | |
11 | # error "CT is disabled" | |
12 | #endif | |
13 | ||
14 | #include <openssl/ct.h> | |
15 | #include <openssl/err.h> | |
e25233d9 | 16 | #include <time.h> |
7d054e5a RP |
17 | |
18 | #include "ct_locl.h" | |
19 | ||
08e588b7 RP |
20 | /* |
21 | * Number of seconds in the future that an SCT timestamp can be, by default, | |
22 | * without being considered invalid. This is added to time() when setting a | |
23 | * default value for CT_POLICY_EVAL_CTX.epoch_time_in_ms. | |
24 | * It can be overridden by calling CT_POLICY_EVAL_CTX_set_time(). | |
25 | */ | |
c22aa33e RP |
26 | static const time_t SCT_CLOCK_DRIFT_TOLERANCE = 300; |
27 | ||
7d054e5a RP |
28 | CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void) |
29 | { | |
30 | CT_POLICY_EVAL_CTX *ctx = OPENSSL_zalloc(sizeof(CT_POLICY_EVAL_CTX)); | |
31 | ||
32 | if (ctx == NULL) { | |
33 | CTerr(CT_F_CT_POLICY_EVAL_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
34 | return NULL; | |
35 | } | |
36 | ||
08e588b7 | 37 | /* time(NULL) shouldn't ever fail, so don't bother checking for -1. */ |
5e086066 RP |
38 | ctx->epoch_time_in_ms = (uint64_t)(time(NULL) + SCT_CLOCK_DRIFT_TOLERANCE) * |
39 | 1000; | |
40 | ||
7d054e5a RP |
41 | return ctx; |
42 | } | |
43 | ||
44 | void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX *ctx) | |
45 | { | |
2b201c5c MC |
46 | if (ctx == NULL) |
47 | return; | |
a1bb7708 RP |
48 | X509_free(ctx->cert); |
49 | X509_free(ctx->issuer); | |
7d054e5a RP |
50 | OPENSSL_free(ctx); |
51 | } | |
52 | ||
11c68cea | 53 | int CT_POLICY_EVAL_CTX_set1_cert(CT_POLICY_EVAL_CTX *ctx, X509 *cert) |
7d054e5a | 54 | { |
11c68cea RP |
55 | if (!X509_up_ref(cert)) |
56 | return 0; | |
57 | ctx->cert = cert; | |
58 | return 1; | |
7d054e5a RP |
59 | } |
60 | ||
11c68cea | 61 | int CT_POLICY_EVAL_CTX_set1_issuer(CT_POLICY_EVAL_CTX *ctx, X509 *issuer) |
7d054e5a | 62 | { |
11c68cea RP |
63 | if (!X509_up_ref(issuer)) |
64 | return 0; | |
65 | ctx->issuer = issuer; | |
66 | return 1; | |
7d054e5a RP |
67 | } |
68 | ||
a1bb7708 RP |
69 | void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX *ctx, |
70 | CTLOG_STORE *log_store) | |
7d054e5a RP |
71 | { |
72 | ctx->log_store = log_store; | |
73 | } | |
74 | ||
1fa9ffd9 RP |
75 | void CT_POLICY_EVAL_CTX_set_time(CT_POLICY_EVAL_CTX *ctx, uint64_t time_in_ms) |
76 | { | |
77 | ctx->epoch_time_in_ms = time_in_ms; | |
78 | } | |
79 | ||
680ddc99 | 80 | X509* CT_POLICY_EVAL_CTX_get0_cert(const CT_POLICY_EVAL_CTX *ctx) |
7d054e5a RP |
81 | { |
82 | return ctx->cert; | |
83 | } | |
84 | ||
680ddc99 | 85 | X509* CT_POLICY_EVAL_CTX_get0_issuer(const CT_POLICY_EVAL_CTX *ctx) |
7d054e5a RP |
86 | { |
87 | return ctx->issuer; | |
88 | } | |
89 | ||
680ddc99 | 90 | const CTLOG_STORE *CT_POLICY_EVAL_CTX_get0_log_store(const CT_POLICY_EVAL_CTX *ctx) |
7d054e5a RP |
91 | { |
92 | return ctx->log_store; | |
93 | } | |
94 | ||
1fa9ffd9 RP |
95 | uint64_t CT_POLICY_EVAL_CTX_get_time(const CT_POLICY_EVAL_CTX *ctx) |
96 | { | |
97 | return ctx->epoch_time_in_ms; | |
98 | } |