105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifdef OPENSSL_NO_CT
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# error "CT is disabled"
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#endif
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#include "ct_local.h"
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static char *i2s_poison(const X509V3_EXT_METHOD *method, void *val)
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{
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return OPENSSL_strdup("NULL");
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}
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static void *s2i_poison(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str)
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{
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return ASN1_NULL_new();
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}
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static int i2r_SCT_LIST(X509V3_EXT_METHOD *method, STACK_OF(SCT) *sct_list,
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BIO *out, int indent)
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{
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SCT_LIST_print(sct_list, out, indent, "\n", NULL);
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return 1;
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}
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static int set_sct_list_source(STACK_OF(SCT) *s, sct_source_t source)
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{
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if (s != NULL) {
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int i;
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for (i = 0; i < sk_SCT_num(s); i++) {
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int res = SCT_set_source(sk_SCT_value(s, i), source);
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if (res != 1) {
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return 0;
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}
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}
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}
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return 1;
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}
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static STACK_OF(SCT) *x509_ext_d2i_SCT_LIST(STACK_OF(SCT) **a,
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const unsigned char **pp,
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long len)
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{
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STACK_OF(SCT) *s = d2i_SCT_LIST(a, pp, len);
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if (set_sct_list_source(s, SCT_SOURCE_X509V3_EXTENSION) != 1) {
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SCT_LIST_free(s);
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*a = NULL;
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return NULL;
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}
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return s;
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}
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static STACK_OF(SCT) *ocsp_ext_d2i_SCT_LIST(STACK_OF(SCT) **a,
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const unsigned char **pp,
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long len)
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{
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STACK_OF(SCT) *s = d2i_SCT_LIST(a, pp, len);
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if (set_sct_list_source(s, SCT_SOURCE_OCSP_STAPLED_RESPONSE) != 1) {
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SCT_LIST_free(s);
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*a = NULL;
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return NULL;
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}
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return s;
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}
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/* Handlers for X509v3/OCSP Certificate Transparency extensions */
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const X509V3_EXT_METHOD v3_ct_scts[3] = {
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/* X509v3 extension in certificates that contains SCTs */
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{ NID_ct_precert_scts, 0, NULL,
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NULL, (X509V3_EXT_FREE)SCT_LIST_free,
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(X509V3_EXT_D2I)x509_ext_d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST,
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NULL, NULL,
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NULL, NULL,
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(X509V3_EXT_I2R)i2r_SCT_LIST, NULL,
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NULL },
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/* X509v3 extension to mark a certificate as a pre-certificate */
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{ NID_ct_precert_poison, 0, ASN1_ITEM_ref(ASN1_NULL),
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NULL, NULL, NULL, NULL,
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i2s_poison, s2i_poison,
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NULL, NULL,
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NULL, NULL,
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NULL },
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/* OCSP extension that contains SCTs */
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{ NID_ct_cert_scts, 0, NULL,
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0, (X509V3_EXT_FREE)SCT_LIST_free,
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(X509V3_EXT_D2I)ocsp_ext_d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST,
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NULL, NULL,
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NULL, NULL,
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(X509V3_EXT_I2R)i2r_SCT_LIST, NULL,
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NULL },
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};
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