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107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/cert/crl_set.h"
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#include "base/logging.h"
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#include "base/time/time.h"
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namespace net {
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CRLSet::CRLSet()
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: sequence_(0),
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not_after_(0) {
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}
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CRLSet::~CRLSet() = default;
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CRLSet::Result CRLSet::CheckSPKI(const base::StringPiece& spki_hash) const {
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for (std::vector<std::string>::const_iterator i = blocked_spkis_.begin();
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i != blocked_spkis_.end(); ++i) {
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if (spki_hash.size() == i->size() &&
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memcmp(spki_hash.data(), i->data(), i->size()) == 0) {
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return REVOKED;
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}
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}
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return GOOD;
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}
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CRLSet::Result CRLSet::CheckSerial(
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const base::StringPiece& serial_number,
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const base::StringPiece& issuer_spki_hash) const {
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base::StringPiece serial(serial_number);
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if (!serial.empty() && (serial[0] & 0x80) != 0) {
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// This serial number is negative but the process which generates CRL sets
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// will reject any certificates with negative serial numbers as invalid.
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return UNKNOWN;
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}
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// Remove any leading zero bytes.
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while (serial.size() > 1 && serial[0] == 0x00)
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serial.remove_prefix(1);
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std::unordered_map<std::string, size_t>::const_iterator crl_index =
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crls_index_by_issuer_.find(issuer_spki_hash.as_string());
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if (crl_index == crls_index_by_issuer_.end())
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return UNKNOWN;
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const std::vector<std::string>& serials = crls_[crl_index->second].second;
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for (std::vector<std::string>::const_iterator i = serials.begin();
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i != serials.end(); ++i) {
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if (base::StringPiece(*i) == serial)
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return REVOKED;
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}
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return GOOD;
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}
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bool CRLSet::IsExpired() const {
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if (not_after_ == 0)
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return false;
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uint64_t now = base::Time::Now().ToTimeT();
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return now > not_after_;
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}
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uint32_t CRLSet::sequence() const {
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return sequence_;
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}
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const CRLSet::CRLList& CRLSet::crls() const {
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return crls_;
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}
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// static
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CRLSet* CRLSet::EmptyCRLSetForTesting() {
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return ForTesting(false, NULL, "");
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}
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CRLSet* CRLSet::ExpiredCRLSetForTesting() {
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return ForTesting(true, NULL, "");
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}
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// static
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CRLSet* CRLSet::ForTesting(bool is_expired,
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const SHA256HashValue* issuer_spki,
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const std::string& serial_number) {
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CRLSet* crl_set = new CRLSet;
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if (is_expired)
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crl_set->not_after_ = 1;
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if (issuer_spki != NULL) {
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const std::string spki(reinterpret_cast<const char*>(issuer_spki->data),
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sizeof(issuer_spki->data));
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crl_set->crls_.push_back(make_pair(spki, std::vector<std::string>()));
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crl_set->crls_index_by_issuer_[spki] = 0;
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}
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if (!serial_number.empty())
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crl_set->crls_[0].second.push_back(serial_number);
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return crl_set;
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}
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} // namespace net
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