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Commit | Line | Data |
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0cea8832 | 1 | /* |
d2e9e320 | 2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. |
0cea8832 | 3 | * |
d2e9e320 RS |
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 | |
0cea8832 RP |
8 | */ |
9 | ||
10 | #ifdef OPENSSL_NO_CT | |
11 | # error "CT is disabled" | |
12 | #endif | |
13 | ||
d57611ea | 14 | #include "ct_locl.h" |
0cea8832 RP |
15 | |
16 | static char *i2s_poison(const X509V3_EXT_METHOD *method, void *val) | |
17 | { | |
18 | return OPENSSL_strdup("NULL"); | |
19 | } | |
20 | ||
367071f1 RP |
21 | static void *s2i_poison(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str) |
22 | { | |
23 | return ASN1_NULL_new(); | |
24 | } | |
25 | ||
0cea8832 RP |
26 | static int i2r_SCT_LIST(X509V3_EXT_METHOD *method, STACK_OF(SCT) *sct_list, |
27 | BIO *out, int indent) | |
28 | { | |
8359b57f | 29 | SCT_LIST_print(sct_list, out, indent, "\n", NULL); |
0cea8832 RP |
30 | return 1; |
31 | } | |
32 | ||
3a490bbb AG |
33 | static int set_sct_list_source(STACK_OF(SCT) *s, sct_source_t source) { |
34 | if (s != NULL) { | |
8368a3ab AG |
35 | size_t i; |
36 | for (i = 0; i < sk_SCT_num(s); i++) { | |
3a490bbb AG |
37 | int res = SCT_set_source( |
38 | sk_SCT_value(s, i), SCT_SOURCE_X509V3_EXTENSION); | |
39 | if (res != 1) { | |
40 | return 0; | |
41 | } | |
42 | } | |
43 | } | |
44 | return 1; | |
45 | } | |
46 | ||
47 | static STACK_OF(SCT) *x509_ext_d2i_SCT_LIST(STACK_OF(SCT) **a, | |
48 | const unsigned char **pp, | |
49 | long len) { | |
50 | STACK_OF(SCT) *s = d2i_SCT_LIST(a, pp, len); | |
51 | if (set_sct_list_source(s, SCT_SOURCE_X509V3_EXTENSION) != 1) { | |
52 | SCT_LIST_free(s); | |
53 | *a = NULL; | |
54 | return NULL; | |
55 | } | |
56 | return s; | |
57 | } | |
58 | ||
59 | static STACK_OF(SCT) *ocsp_ext_d2i_SCT_LIST(STACK_OF(SCT) **a, | |
60 | const unsigned char **pp, | |
61 | long len) { | |
62 | STACK_OF(SCT) *s = d2i_SCT_LIST(a, pp, len); | |
63 | if (set_sct_list_source(s, SCT_SOURCE_OCSP_STAPLED_RESPONSE) != 1) { | |
64 | SCT_LIST_free(s); | |
65 | *a = NULL; | |
66 | return NULL; | |
67 | } | |
68 | return s; | |
69 | } | |
70 | ||
0cea8832 | 71 | /* Handlers for X509v3/OCSP Certificate Transparency extensions */ |
4b68cb41 | 72 | const X509V3_EXT_METHOD v3_ct_scts[3] = { |
0cea8832 RP |
73 | /* X509v3 extension in certificates that contains SCTs */ |
74 | { NID_ct_precert_scts, 0, NULL, | |
75 | NULL, (X509V3_EXT_FREE)SCT_LIST_free, | |
3a490bbb | 76 | (X509V3_EXT_D2I)x509_ext_d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST, |
0cea8832 RP |
77 | NULL, NULL, |
78 | NULL, NULL, | |
79 | (X509V3_EXT_I2R)i2r_SCT_LIST, NULL, | |
80 | NULL }, | |
81 | ||
82 | /* X509v3 extension to mark a certificate as a pre-certificate */ | |
83 | { NID_ct_precert_poison, 0, ASN1_ITEM_ref(ASN1_NULL), | |
84 | NULL, NULL, NULL, NULL, | |
367071f1 | 85 | i2s_poison, s2i_poison, |
0cea8832 RP |
86 | NULL, NULL, |
87 | NULL, NULL, | |
88 | NULL }, | |
89 | ||
90 | /* OCSP extension that contains SCTs */ | |
91 | { NID_ct_cert_scts, 0, NULL, | |
92 | 0, (X509V3_EXT_FREE)SCT_LIST_free, | |
3a490bbb | 93 | (X509V3_EXT_D2I)ocsp_ext_d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST, |
0cea8832 RP |
94 | NULL, NULL, |
95 | NULL, NULL, | |
96 | (X509V3_EXT_I2R)i2r_SCT_LIST, NULL, | |
97 | NULL }, | |
98 | }; |