| 1 | /* $Id: RTHandleGetStandard-win.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTHandleGetStandard, Windows.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include "internal/iprt.h"
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| 42 | #include <iprt/handle.h>
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| 43 |
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| 44 | #include <iprt/file.h>
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| 45 | #include <iprt/pipe.h>
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| 46 | #include <iprt/assert.h>
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| 47 | #include <iprt/errcore.h>
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| 48 | #include <iprt/log.h>
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| 49 |
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| 50 | #include <iprt/win/windows.h>
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| 51 |
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| 52 | #include "internal/socket.h" /* (Needs Windows.h.) */
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| 53 | #include "internal-r3-win.h" /* (Needs Windows.h.) */
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| 54 |
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| 55 |
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| 56 | RTDECL(int) RTHandleGetStandard(RTHANDLESTD enmStdHandle, bool fLeaveOpen, PRTHANDLE ph)
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| 57 | {
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| 58 | /*
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| 59 | * Validate and convert input.
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| 60 | */
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| 61 | AssertPtrReturn(ph, VERR_INVALID_POINTER);
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| 62 | DWORD dwStdHandle;
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| 63 | switch (enmStdHandle)
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| 64 | {
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| 65 | case RTHANDLESTD_INPUT: dwStdHandle = STD_INPUT_HANDLE; break;
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| 66 | case RTHANDLESTD_OUTPUT: dwStdHandle = STD_OUTPUT_HANDLE; break;
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| 67 | case RTHANDLESTD_ERROR: dwStdHandle = STD_ERROR_HANDLE; break;
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| 68 | default:
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| 69 | AssertFailedReturn(VERR_INVALID_PARAMETER);
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| 70 | }
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| 71 |
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| 72 | /*
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| 73 | * Is the requested descriptor valid and which IPRT handle type does it
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| 74 | * best map on to?
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| 75 | */
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| 76 | HANDLE hNative = GetStdHandle(dwStdHandle);
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| 77 | if (hNative == INVALID_HANDLE_VALUE)
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| 78 | return RTErrConvertFromWin32(GetLastError());
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| 79 |
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| 80 | DWORD dwInfo = 0;
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| 81 | if (g_pfnGetHandleInformation && !g_pfnGetHandleInformation(hNative, &dwInfo))
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| 82 | return RTErrConvertFromWin32(GetLastError());
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| 83 | bool const fInherit = RT_BOOL(dwInfo & HANDLE_FLAG_INHERIT);
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| 84 |
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| 85 | SetLastError(NO_ERROR);
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| 86 | RTHANDLE h;
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| 87 | DWORD dwType = GetFileType(hNative);
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| 88 | switch (dwType & ~FILE_TYPE_REMOTE)
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| 89 | {
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| 90 | case FILE_TYPE_UNKNOWN:
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| 91 | if (GetLastError() != NO_ERROR)
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| 92 | return RTErrConvertFromWin32(GetLastError());
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| 93 | RT_FALL_THROUGH();
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| 94 | default:
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| 95 | case FILE_TYPE_CHAR:
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| 96 | case FILE_TYPE_DISK:
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| 97 | h.enmType = RTHANDLETYPE_FILE;
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| 98 | break;
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| 99 |
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| 100 | case FILE_TYPE_PIPE:
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| 101 | {
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| 102 | DWORD cMaxInstances;
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| 103 | DWORD fInfo;
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| 104 | if (!GetNamedPipeInfo(hNative, &fInfo, NULL, NULL, &cMaxInstances))
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| 105 | h.enmType = RTHANDLETYPE_SOCKET;
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| 106 | else
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| 107 | h.enmType = RTHANDLETYPE_PIPE;
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| 108 | break;
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| 109 | }
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| 110 | }
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| 111 |
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| 112 | /*
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| 113 | * Create the IPRT handle.
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| 114 | */
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| 115 | int rc;
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| 116 | switch (h.enmType)
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| 117 | {
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| 118 | case RTHANDLETYPE_FILE:
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| 119 | /** @todo fLeaveOpen */
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| 120 | rc = RTFileFromNative(&h.u.hFile, (RTHCUINTPTR)hNative);
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| 121 | break;
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| 122 |
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| 123 | case RTHANDLETYPE_PIPE:
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| 124 | rc = RTPipeFromNative(&h.u.hPipe, (RTHCUINTPTR)hNative,
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| 125 | (enmStdHandle == RTHANDLESTD_INPUT ? RTPIPE_N_READ : RTPIPE_N_WRITE)
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| 126 | | (fInherit ? RTPIPE_N_INHERIT : 0)
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| 127 | | (fLeaveOpen ? RTPIPE_N_LEAVE_OPEN : 0));
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| 128 | break;
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| 129 |
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| 130 | case RTHANDLETYPE_SOCKET:
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| 131 | rc = rtSocketCreateForNative(&h.u.hSocket, (RTHCUINTPTR)hNative, fLeaveOpen);
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| 132 | break;
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| 133 |
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| 134 | default: /* shut up gcc */
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| 135 | return VERR_INTERNAL_ERROR;
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| 136 | }
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| 137 |
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| 138 | if (RT_SUCCESS(rc))
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| 139 | *ph = h;
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| 140 |
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| 141 | return rc;
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| 142 | }
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| 143 |
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