VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/win/RTHandleGetStandard-win.cpp@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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