/* $Id: winutils.h 106061 2024-09-16 14:03:52Z vboxsync $ */ /** @file * NAT Network - winsock compatibility shim. */ /* * Copyright (C) 2013-2024 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, in version 3 of the * License. * * 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * SPDX-License-Identifier: GPL-3.0-only */ #ifndef VBOX_INCLUDED_SRC_NAT_winutils_h #define VBOX_INCLUDED_SRC_NAT_winutils_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif # include # ifdef RT_OS_WINDOWS # include # include # include # include # include # include # include /** * Inclusion of lwip/def.h was added here to avoid conflict of definitions * of hton-family functions in LWIP and windock's headers. */ # include # ifndef PF_LOCAL # define PF_LOCAL AF_INET # endif # ifdef DEBUG # define err(code,...) do { \ AssertMsgFailed((__VA_ARGS__)); \ }while(0) #else # define err(code,...) do { \ DPRINTF0((__VA_ARGS__)); \ ExitProcess(code); \ }while(0) #endif # define errx err # define __func__ __FUNCTION__ # define __attribute__(x) /* IGNORE */ # define SOCKERRNO() (WSAGetLastError()) # define SET_SOCKERRNO(error) do { WSASetLastError(error); } while (0) /** * "Windows Sockets Error Codes" obtained with WSAGetLastError(). * http://msdn.microsoft.com/en-us/library/windows/desktop/ms740668(v=vs.85).aspx * * This block of error codes from conflicts with "POSIX * supplement" error codes from , but we don't expect to ever * encounter the latter in the proxy code, so redefine them to their * unixy names. */ # undef EWOULDBLOCK # define EWOULDBLOCK WSAEWOULDBLOCK # undef EINPROGRESS # define EINPROGRESS WSAEINPROGRESS # undef EALREADY # define EALREADY WSAEALREADY # undef ENOTSOCK # define ENOTSOCK WSAENOTSOCK # undef EDESTADDRREQ # define EDESTADDRREQ WSAEDESTADDRREQ # undef EMSGSIZE # define EMSGSIZE WSAEMSGSIZE # undef EPROTOTYPE # define EPROTOTYPE WSAEPROTOTYPE # undef ENOPROTOOPT # define ENOPROTOOPT WSAENOPROTOOPT # undef EPROTONOSUPPORT # define EPROTONOSUPPORT WSAEPROTONOSUPPORT # undef ESOCKTNOSUPPORT # define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT # undef EOPNOTSUPP # define EOPNOTSUPP WSAEOPNOTSUPP # undef EPFNOSUPPORT # define EPFNOSUPPORT WSAEPFNOSUPPORT # undef EAFNOSUPPORT # define EAFNOSUPPORT WSAEAFNOSUPPORT # undef EADDRINUSE # define EADDRINUSE WSAEADDRINUSE # undef EADDRNOTAVAIL # define EADDRNOTAVAIL WSAEADDRNOTAVAIL # undef ENETDOWN # define ENETDOWN WSAENETDOWN # undef ENETUNREACH # define ENETUNREACH WSAENETUNREACH # undef ENETRESET # define ENETRESET WSAENETRESET # undef ECONNABORTED # define ECONNABORTED WSAECONNABORTED # undef ECONNRESET # define ECONNRESET WSAECONNRESET # undef ENOBUFS # define ENOBUFS WSAENOBUFS # undef EISCONN # define EISCONN WSAEISCONN # undef ENOTCONN # define ENOTCONN WSAENOTCONN # undef ESHUTDOWN # define ESHUTDOWN WSAESHUTDOWN # undef ETOOMANYREFS # define ETOOMANYREFS WSAETOOMANYREFS # undef ETIMEDOUT # define ETIMEDOUT WSAETIMEDOUT # undef ECONNREFUSED # define ECONNREFUSED WSAECONNREFUSED # undef ELOOP # define ELOOP WSAELOOP # undef ENAMETOOLONG # define ENAMETOOLONG WSAENAMETOOLONG # undef EHOSTDOWN # define EHOSTDOWN WSAEHOSTDOWN # undef EHOSTUNREACH # define EHOSTUNREACH WSAEHOSTUNREACH /** * parameters to shutdown (2) with Winsock2 * http://msdn.microsoft.com/en-us/library/windows/desktop/ms740481(v=vs.85).aspx */ # define SHUT_RD SD_RECEIVE # define SHUT_WR SD_SEND # define SHUT_RDWR SD_BOTH typedef ULONG nfds_t; typedef WSABUF IOVEC; # define IOVEC_GET_BASE(iov) ((iov).buf) # define IOVEC_SET_BASE(iov, b) ((iov).buf = (b)) # define IOVEC_GET_LEN(iov) ((iov).len) # define IOVEC_SET_LEN(iov, l) ((iov).len = (ULONG)(l)) #if _WIN32_WINNT < 0x0600 /* otherwise defined the other way around in ws2def.h */ #define cmsghdr _WSACMSGHDR #undef CMSG_DATA /* wincrypt.h can byte my shiny metal #undef */ #define CMSG_DATA WSA_CMSG_DATA #define CMSG_LEN WSA_CMSG_LEN #define CMSG_SPACE WSA_CMSG_SPACE #define CMSG_FIRSTHDR WSA_CMSG_FIRSTHDR #define CMSG_NXTHDR WSA_CMSG_NXTHDR #endif /* _WIN32_WINNT < 0x0600 - provide unglified CMSG names */ RT_C_DECLS_BEGIN int RTWinSocketPair(int domain, int type, int protocol, SOCKET socket_vector[2]); RT_C_DECLS_END # else /* !RT_OS_WINDOWS */ # include # include # define SOCKET int # define INVALID_SOCKET (-1) # define SOCKET_ERROR (-1) # define SOCKERRNO() (errno) # define SET_SOCKERRNO(error) do { errno = (error); } while (0) # define closesocket(s) close(s) # define ioctlsocket(s, req, arg) ioctl((s), (req), (arg)) typedef struct iovec IOVEC; # define IOVEC_GET_BASE(iov) ((iov).iov_base) # define IOVEC_SET_BASE(iov, b) ((iov).iov_base = (b)) # define IOVEC_GET_LEN(iov) ((iov).iov_len) # define IOVEC_SET_LEN(iov, l) ((iov).iov_len = (l)) # endif DECLINLINE(int) proxy_error_is_transient(int error) { # if !defined(RT_OS_WINDOWS) return error == EWOULDBLOCK # if EAGAIN != EWOULDBLOCK || error == EAGAIN # endif || error == EINTR || error == ENOBUFS || error == ENOMEM; # else return error == WSAEWOULDBLOCK || error == WSAEINTR /* NB: we don't redefine EINTR above */ || error == WSAENOBUFS; # endif } #endif /* !VBOX_INCLUDED_SRC_NAT_winutils_h */