mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
synced 2026-04-24 00:00:05 +08:00
Sergey Abramchuk
a01ecd6c88
cc90cde57 win: use 'MSVC 2017 Professional' as default compiler 4b072bce1 [OVPN3-311] function.hpp: fix Windows build 48b9b78de [OVPN3-310] logging: fix 'OPENVPN_LOG_NTNL': identifier not found 5a4a87552 cosmetics: helper function to check registry errors fc52fd8a5 [OC-78] proxy: support PROXY_AUTO_CONFIG_URL on Windows f5178cff9 [OC-77] proxy: refactor proxy settings code 18e50ec3f ReplyParser: added undefined status 8178ae06f unix file utils: added update_file_mod_time_nanoseconds() 8f20f7693 build: use LZ4_SYS=1 default when target is Linux 4bd996e61 timestr: added date_time_utc() and nanosec_time_to_string() 0eaa2586f string: added remove_spaces() method d47ae03cc OptionList: added get_c_str() method 1eb9cd657 unix file utils: added mtime_ns parameter to write_binary_unix() and write_binary_atomic() bf00c6e3e Time::delta_str(): use "INF" to denote infinite time 0e598a87b kovpn.hpp: asio must be included before sys/ and linux/ headers to avoid redefinition conflicts 1d2ce460d BufferType: added read_alloc_buf() method 148ae6085 BufferType: added reset_offset() method 6218ed618 Factor out IP::random_addr_v4() and IP::random_addr_v6() from IP::random_addr(). 5468670b9 pool: minor changes 36a885a82 route: allow for specialized IPv4/v6 RouteType 5e29e6628 BufferType: added typedef T value_type d92021c99 strerror.hpp: added #include <errno.h> for benefit of users 363cbece3 Function: misc cleanup d88435ecd IP::Route: added defined() method 3371cb745 kovpn.hpp: fix centos build with DCO enabled dc9e48d98 Fix bug in macos tunnel interface setup. Second ip address should be gateway address bcdb27993 Merged in schwabe/fix_clang_warnings (pull request #25) ede5e90ff Merged in schabe/fix_swig_ipadr (pull request #27) c0d580d24 Merged in schwabe/fix_openvpn_extern (pull request #26) 0965882e5 Merged in schwabe/stats_morecpus (pull request #23) 5f1f8470b Revert bugfix for not compiling IA32 ASM of 2.7.5 bde2c41be dep: switch from mbeTLS 2.7.0 to 2.7.5 9d06b5c97 [OC-77] proxy: support PROXY_AUTO_CONFIG_URL on macOS 3f2ad8e8c Hide const std::string IP methods from SWIG ba264862a Send also kovpn statistics of CPU Cores >= 16 via status message 2991d38b3 Fix warnings reported by LLVM/Clang 02d2a7975 Fix multiple inclusion of OpenVPN3 header with OPENPVN_EXTERN git-subtree-dir: Sources/OpenVPNAdapter/Libraries/Vendors/openvpn git-subtree-split: cc90cde5769dcf9e13fdd9e85d6d0857963dabce
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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// Atomic file-handling methods.
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#ifndef OPENVPN_COMMON_FILEATOMIC_H
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#define OPENVPN_COMMON_FILEATOMIC_H
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#include <openvpn/common/platform.hpp>
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#if defined(OPENVPN_PLATFORM_WIN)
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#error atomic file methods not supported on Windows
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#endif
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#include <stdio.h> // for rename()
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#include <errno.h>
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#include <cstring>
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#include <openvpn/common/file.hpp>
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#include <openvpn/common/hexstr.hpp>
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#include <openvpn/common/fileunix.hpp>
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#include <openvpn/common/path.hpp>
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#include <openvpn/common/strerror.hpp>
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#include <openvpn/random/randapi.hpp>
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namespace openvpn {
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// Atomically write binary buffer to file (relies on
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// the atomicity of rename())
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inline void write_binary_atomic(const std::string& fn,
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const std::string& tmpdir,
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const mode_t mode,
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const std::uint64_t mtime_ns, // set explicit modification-time in nanoseconds since epoch, or 0 to defer to system
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const ConstBuffer& buf,
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RandomAPI& rng)
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{
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// generate temporary filename
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unsigned char data[16];
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rng.rand_fill(data);
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const std::string tfn = path::join(tmpdir, '.' + path::basename(fn) + '.' + render_hex(data, sizeof(data)));
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// write to temporary file
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write_binary_unix(tfn, mode, mtime_ns, buf);
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// then move into position
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if (::rename(tfn.c_str(), fn.c_str()) == -1)
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{
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const int eno = errno;
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OPENVPN_THROW(file_unix_error, "error moving '" << tfn << "' -> '" << fn << "' : " << strerror_str(eno));
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}
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}
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inline void write_binary_atomic(const std::string& fn,
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const std::string& tmpdir,
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const mode_t mode,
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const std::uint64_t mtime_ns,
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const Buffer& buf,
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RandomAPI& rng)
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{
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return write_binary_atomic(fn, tmpdir, mode, mtime_ns, const_buffer_ref(buf), rng);
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}
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}
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#endif
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