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mirror of https://github.com/OpenVPN/openvpn3.git synced 2024-09-20 04:02:15 +02:00
openvpn3/openvpn/win/logutil.hpp
David Sommerseth dde1574596
Reformatting source code to new coding style
This is the result after running 'clang-format -i' on all C++ files and
headers, with the defined formatting rules in .clang-format.

Only the openvpn/common/unicode-impl.hpp has been excluded, as that is
mostly a copy of an external project.

Signed-off-by: David Sommerseth <davids@openvpn.net>
2023-01-18 19:24:15 +01:00

81 lines
2.5 KiB
C++

// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012-2022 OpenVPN Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License Version 3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
// If not, see <http://www.gnu.org/licenses/>.
#pragma once
#include <windows.h>
#include <string>
#include <openvpn/common/exception.hpp>
#include <openvpn/common/wstring.hpp>
#include <openvpn/time/timestr.hpp>
#include <openvpn/win/winerr.hpp>
#include <openvpn/win/secattr.hpp>
#include <openvpn/win/scoped_handle.hpp>
namespace openvpn {
namespace Win {
namespace LogUtil {
inline void log(const HANDLE file, const std::string &str)
{
DWORD n_written;
const std::string line = date_time() + ' ' + str;
::WriteFile(file, line.c_str(), line.length(), &n_written, NULL);
}
inline ScopedHANDLE create_file(const std::string &fn,
const std::string &sddl_string,
bool append)
{
SecurityAttributes sa(sddl_string, true, fn); // fn passed as title only
const std::wstring wfn = wstring::from_utf8(fn);
ScopedHANDLE file(::CreateFileW(
wfn.c_str(),
GENERIC_WRITE,
FILE_SHARE_READ,
&sa.sa,
append ? OPEN_ALWAYS : CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL));
if (!file.defined())
{
const Win::LastError err;
OPENVPN_THROW_EXCEPTION("Win::LogFile: failed to open " << fn << " : " << err.message());
}
// append to logfile?
if (append)
{
if (::SetFilePointer(file(), 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER)
{
const Win::LastError err;
OPENVPN_THROW_EXCEPTION("Win::LogFile: cannot append to " << fn << " : " << err.message());
}
}
return file;
}
} // namespace LogUtil
} // namespace Win
} // namespace openvpn