/src/openssl/crypto/ct/ct_x509v3.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved. |
3 | | * |
4 | | * Licensed under the Apache License 2.0 (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 | | #ifdef OPENSSL_NO_CT |
11 | | # error "CT is disabled" |
12 | | #endif |
13 | | |
14 | | #include "ct_local.h" |
15 | | |
16 | | static char *i2s_poison(const X509V3_EXT_METHOD *method, void *val) |
17 | 0 | { |
18 | 0 | return OPENSSL_strdup("NULL"); |
19 | 0 | } |
20 | | |
21 | | static void *s2i_poison(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str) |
22 | 0 | { |
23 | 0 | return ASN1_NULL_new(); |
24 | 0 | } |
25 | | |
26 | | static int i2r_SCT_LIST(X509V3_EXT_METHOD *method, STACK_OF(SCT) *sct_list, |
27 | | BIO *out, int indent) |
28 | 0 | { |
29 | 0 | SCT_LIST_print(sct_list, out, indent, "\n", NULL); |
30 | 0 | return 1; |
31 | 0 | } |
32 | | |
33 | | static int set_sct_list_source(STACK_OF(SCT) *s, sct_source_t source) |
34 | 0 | { |
35 | 0 | if (s != NULL) { |
36 | 0 | int i; |
37 | |
|
38 | 0 | for (i = 0; i < sk_SCT_num(s); i++) { |
39 | 0 | int res = SCT_set_source(sk_SCT_value(s, i), source); |
40 | |
|
41 | 0 | if (res != 1) { |
42 | 0 | return 0; |
43 | 0 | } |
44 | 0 | } |
45 | 0 | } |
46 | 0 | return 1; |
47 | 0 | } |
48 | | |
49 | | static STACK_OF(SCT) *x509_ext_d2i_SCT_LIST(STACK_OF(SCT) **a, |
50 | | const unsigned char **pp, |
51 | | long len) |
52 | 0 | { |
53 | 0 | STACK_OF(SCT) *s = d2i_SCT_LIST(a, pp, len); |
54 | |
|
55 | 0 | if (set_sct_list_source(s, SCT_SOURCE_X509V3_EXTENSION) != 1) { |
56 | 0 | SCT_LIST_free(s); |
57 | 0 | *a = NULL; |
58 | 0 | return NULL; |
59 | 0 | } |
60 | 0 | return s; |
61 | 0 | } |
62 | | |
63 | | static STACK_OF(SCT) *ocsp_ext_d2i_SCT_LIST(STACK_OF(SCT) **a, |
64 | | const unsigned char **pp, |
65 | | long len) |
66 | 0 | { |
67 | 0 | STACK_OF(SCT) *s = d2i_SCT_LIST(a, pp, len); |
68 | |
|
69 | 0 | if (set_sct_list_source(s, SCT_SOURCE_OCSP_STAPLED_RESPONSE) != 1) { |
70 | 0 | SCT_LIST_free(s); |
71 | 0 | *a = NULL; |
72 | 0 | return NULL; |
73 | 0 | } |
74 | 0 | return s; |
75 | 0 | } |
76 | | |
77 | | /* Handlers for X509v3/OCSP Certificate Transparency extensions */ |
78 | | const X509V3_EXT_METHOD ossl_v3_ct_scts[3] = { |
79 | | /* X509v3 extension in certificates that contains SCTs */ |
80 | | { NID_ct_precert_scts, 0, NULL, |
81 | | NULL, (X509V3_EXT_FREE)SCT_LIST_free, |
82 | | (X509V3_EXT_D2I)x509_ext_d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST, |
83 | | NULL, NULL, |
84 | | NULL, NULL, |
85 | | (X509V3_EXT_I2R)i2r_SCT_LIST, NULL, |
86 | | NULL }, |
87 | | |
88 | | /* X509v3 extension to mark a certificate as a pre-certificate */ |
89 | | { NID_ct_precert_poison, 0, ASN1_ITEM_ref(ASN1_NULL), |
90 | | NULL, NULL, NULL, NULL, |
91 | | i2s_poison, s2i_poison, |
92 | | NULL, NULL, |
93 | | NULL, NULL, |
94 | | NULL }, |
95 | | |
96 | | /* OCSP extension that contains SCTs */ |
97 | | { NID_ct_cert_scts, 0, NULL, |
98 | | 0, (X509V3_EXT_FREE)SCT_LIST_free, |
99 | | (X509V3_EXT_D2I)ocsp_ext_d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST, |
100 | | NULL, NULL, |
101 | | NULL, NULL, |
102 | | (X509V3_EXT_I2R)i2r_SCT_LIST, NULL, |
103 | | NULL }, |
104 | | }; |