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123 lines
2.8 KiB
123 lines
2.8 KiB
/*
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* winsock.h - Windows socket compatibility layer
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*
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* Copyright (C) 2013 - 2019, Max Lv <max.c.lv@gmail.com>
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*
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* This file is part of the shadowsocks-libev.
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*
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* shadowsocks-libev is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* shadowsocks-libev 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with shadowsocks-libev; see the file COPYING. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef _WINSOCK_H
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#define _WINSOCK_H
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#ifdef __MINGW32__
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// Target NT6
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
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#undef _WIN32_WINNT
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#endif
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0600
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#endif
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// Winsock headers
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#include <windows.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <mswsock.h>
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// Override POSIX error number
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#ifdef errno
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#undef errno
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#endif
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#define errno WSAGetLastError()
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#ifdef EWOULDBLOCK
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#undef EWOULDBLOCK
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#endif
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#ifdef CONNECT_IN_PROGRESS
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#undef CONNECT_IN_PROGRESS
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#endif
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#define CONNECT_IN_PROGRESS WSAEWOULDBLOCK
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#ifdef EOPNOTSUPP
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#undef EOPNOTSUPP
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#endif
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#define EOPNOTSUPP WSAEOPNOTSUPP
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#ifdef EPROTONOSUPPORT
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#undef EPROTONOSUPPORT
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#endif
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#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
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#ifdef ENOPROTOOPT
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#undef ENOPROTOOPT
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#endif
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#define ENOPROTOOPT WSAENOPROTOOPT
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// Check if ConnectEx supported in header
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#ifdef WSAID_CONNECTEX
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// Hardcode TCP fast open option
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#ifndef TCP_FASTOPEN
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#define TCP_FASTOPEN 15
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#endif
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// Enable TFO support
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#define TCP_FASTOPEN_WINSOCK 1
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#endif
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// Override close function
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#define close(fd) closesocket(fd)
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// Override MinGW functions
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#define setsockopt(a, b, c, d, e) setsockopt(a, b, c, (const char *)(d), e)
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#define inet_ntop(a, b, c, d) inet_ntop(a, (void *)(b), c, d)
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// Override Windows built-in functions
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#ifdef ERROR
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#undef ERROR
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#endif
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#define ERROR(s) ss_error(s)
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#ifdef gai_strerror
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#undef gai_strerror
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#endif
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#define gai_strerror(e) ss_gai_strerror(e)
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char *ss_gai_strerror(int ecode);
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// Missing Unix functions
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#define sleep(x) Sleep((x) * 1000)
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#define bzero(s, n) memset(s, 0, n)
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#define strndup(s, n) ss_strndup(s, n)
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// Winsock compatibility functions
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int setnonblocking(SOCKET socket);
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void winsock_init(void);
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void winsock_cleanup(void);
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#ifdef TCP_FASTOPEN_WINSOCK
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LPFN_CONNECTEX winsock_getconnectex(void);
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int winsock_dummybind(SOCKET fd, struct sockaddr *sa);
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#endif
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#endif // __MINGW32__
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#endif // _WINSOCK_H
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