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Diffstat (limited to 'src/VBox/NetworkServices/NAT/winutils.h')
| -rw-r--r-- | src/VBox/NetworkServices/NAT/winutils.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/VBox/NetworkServices/NAT/winutils.h b/src/VBox/NetworkServices/NAT/winutils.h new file mode 100644 index 00000000..ca4a03d0 --- /dev/null +++ b/src/VBox/NetworkServices/NAT/winutils.h @@ -0,0 +1,220 @@ +/* $Id: winutils.h $ */ +/** @file + * NAT Network - winsock compatibility shim. + */ + +/* + * Copyright (C) 2013-2022 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 <https://www.gnu.org/licenses>. + * + * 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 <iprt/cdefs.h> + +# ifdef RT_OS_WINDOWS +# include <iprt/win/winsock2.h> +# include <iprt/win/ws2tcpip.h> +# include <mswsock.h> +# include <iprt/win/windows.h> +# include <iprt/err.h> +# include <iprt/net.h> +# include <iprt/log.h> +/** + * Inclusion of lwip/def.h was added here to avoid conflict of definitions + * of hton-family functions in LWIP and windock's headers. + */ +# include <lwip/def.h> + +# 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 <winsock2.h> conflicts with "POSIX + * supplement" error codes from <errno.h>, 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 <errno.h> +# include <unistd.h> + +# 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 */ |