| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| /* This code is made available to you under your choice of the following sets |
| * of licensing terms: |
| */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| */ |
| /* Copyright 2014 Mozilla Contributors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "mozpkix/Time.h" |
| #include "mozpkix/pkixutil.h" |
| |
| #ifdef _WINDOWS |
| #ifdef _MSC_VER |
| #pragma warning(push, 3) |
| #endif |
| #include "windows.h" |
| #ifdef _MSC_VER |
| #pragma warning(pop) |
| #endif |
| #else |
| #include "sys/time.h" |
| #endif |
| |
| namespace mozilla { namespace pkix { |
| |
| Time |
| Now() |
| { |
| uint64_t seconds; |
| |
| #ifdef _WINDOWS |
| // "Contains a 64-bit value representing the number of 100-nanosecond |
| // intervals since January 1, 1601 (UTC)." |
| // - http://msdn.microsoft.com/en-us/library/windows/desktop/ms724284(v=vs.85).aspx |
| FILETIME ft; |
| GetSystemTimeAsFileTime(&ft); |
| uint64_t ft64 = (static_cast<uint64_t>(ft.dwHighDateTime) << 32) | |
| ft.dwLowDateTime; |
| seconds = (DaysBeforeYear(1601) * Time::ONE_DAY_IN_SECONDS) + |
| ft64 / (1000u * 1000u * 1000u / 100u); |
| #else |
| // "The gettimeofday() function shall obtain the current time, expressed as |
| // seconds and microseconds since the Epoch." |
| // - http://pubs.opengroup.org/onlinepubs/009695399/functions/gettimeofday.html |
| timeval tv; |
| (void) gettimeofday(&tv, nullptr); |
| seconds = (DaysBeforeYear(1970) * Time::ONE_DAY_IN_SECONDS) + |
| static_cast<uint64_t>(tv.tv_sec); |
| #endif |
| |
| return TimeFromElapsedSecondsAD(seconds); |
| } |
| |
| Time |
| TimeFromEpochInSeconds(uint64_t secondsSinceEpoch) |
| { |
| uint64_t seconds = (DaysBeforeYear(1970) * Time::ONE_DAY_IN_SECONDS) + |
| secondsSinceEpoch; |
| return TimeFromElapsedSecondsAD(seconds); |
| } |
| |
| Result |
| SecondsSinceEpochFromTime(Time time, uint64_t* outSeconds) |
| { |
| if (!outSeconds) { |
| return Result::FATAL_ERROR_INVALID_ARGS; |
| } |
| Time epoch = TimeFromEpochInSeconds(0); |
| if (time < epoch) { |
| return Result::FATAL_ERROR_INVALID_ARGS; |
| } |
| *outSeconds = Duration(time, epoch).durationInSeconds; |
| return Result::Success; |
| } |
| |
| } } // namespace mozilla::pkix |