| // Copyright 2021 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "quiche_platform_impl/quiche_time_utils_impl.h" |
| |
| #include <optional> |
| |
| #include "openssl/time.h" |
| |
| namespace quiche { |
| |
| // Chrome converts broken out UTC times for certificates to unix times using |
| // the BoringSSL routines. |
| std::optional<int64_t> QuicheUtcDateTimeToUnixSecondsImpl(int year, int month, |
| int day, int hour, |
| int minute, |
| int second) { |
| struct tm tmp_tm; |
| tmp_tm.tm_year = year - 1900; |
| tmp_tm.tm_mon = month - 1; |
| tmp_tm.tm_mday = day; |
| tmp_tm.tm_hour = hour; |
| tmp_tm.tm_min = minute; |
| tmp_tm.tm_sec = second; |
| // BoringSSL POSIX time, like POSIX itself, does not support leap seconds. |
| bool leap_second = false; |
| if (tmp_tm.tm_sec == 60) { |
| tmp_tm.tm_sec = 59; |
| leap_second = true; |
| } |
| int64_t result; |
| if (!OPENSSL_tm_to_posix(&tmp_tm, &result)) { |
| return std::nullopt; |
| } |
| // Our desired behaviour is to return the following second for a leap second |
| // assuming it is a valid time. |
| if (leap_second) { |
| if (!OPENSSL_posix_to_tm(result + 1, &tmp_tm)) { |
| return std::nullopt; |
| } |
| result++; |
| } |
| return result; |
| } |
| |
| } // namespace quiche |
