| 1 | /* $Id: */
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| 2 | /** @file
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| 3 | * VirtualBox Guest Control - Guest file handling.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2011 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #include "GuestImpl.h"
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| 19 | #include "GuestCtrlImplPrivate.h"
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| 20 |
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| 21 | #include "Global.h"
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| 22 | #include "ConsoleImpl.h"
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| 23 | #include "ProgressImpl.h"
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| 24 | #include "VMMDev.h"
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| 25 |
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| 26 | #include "AutoCaller.h"
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| 27 | #include "Logging.h"
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| 28 |
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| 29 | #include <VBox/VMMDev.h>
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| 30 | #ifdef VBOX_WITH_GUEST_CONTROL
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| 31 | # include <VBox/com/array.h>
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| 32 | # include <VBox/com/ErrorInfo.h>
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| 33 | #endif
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| 34 |
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| 35 | STDMETHODIMP Guest::FileExists(IN_BSTR aFile, IN_BSTR aUsername, IN_BSTR aPassword, BOOL *aExists)
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| 36 | {
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| 37 | #ifndef VBOX_WITH_GUEST_CONTROL
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| 38 | ReturnComNotImplemented();
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| 39 | #else /* VBOX_WITH_GUEST_CONTROL */
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| 40 | using namespace guestControl;
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| 41 |
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| 42 | CheckComArgStrNotEmptyOrNull(aFile);
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| 43 |
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| 44 | /* Do not allow anonymous executions (with system rights). */
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| 45 | if (RT_UNLIKELY((aUsername) == NULL || *(aUsername) == '\0'))
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| 46 | return setError(E_INVALIDARG, tr("No user name specified"));
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| 47 |
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| 48 | return fileExistsInternal(aFile,
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| 49 | aUsername, aPassword, aExists,
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| 50 | NULL /* rc */);
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| 51 | #endif
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| 52 | }
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| 53 |
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| 54 | #ifdef VBOX_WITH_GUEST_CONTROL
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| 55 | HRESULT Guest::fileExistsInternal(IN_BSTR aFile, IN_BSTR aUsername, IN_BSTR aPassword, BOOL *aExists, int *pRC)
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| 56 | {
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| 57 | using namespace guestControl;
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| 58 |
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| 59 | CheckComArgStrNotEmptyOrNull(aFile);
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| 60 |
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| 61 | AutoCaller autoCaller(this);
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| 62 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
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| 63 |
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| 64 | HRESULT rc = S_OK;
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| 65 | try
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| 66 | {
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| 67 | Utf8Str Utf8File(aFile);
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| 68 | Utf8Str Utf8Username(aUsername);
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| 69 | Utf8Str Utf8Password(aPassword);
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| 70 |
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| 71 | com::SafeArray<IN_BSTR> args;
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| 72 | com::SafeArray<IN_BSTR> env;
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| 73 |
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| 74 | /*
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| 75 | * Prepare tool command line.
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| 76 | */
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| 77 |
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| 78 | /* We need to get output which is machine-readable in form
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| 79 | * of "key=value\0..key=value\0\0". */
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| 80 | args.push_back(Bstr("--machinereadable").raw());
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| 81 |
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| 82 | /* Only the actual file name to chekc is needed for now. */
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| 83 | args.push_back(Bstr(Utf8File).raw());
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| 84 |
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| 85 | /*
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| 86 | * Execute guest process.
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| 87 | */
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| 88 | rc = executeAndWaitForTool(Bstr(VBOXSERVICE_TOOL_STAT).raw(), Bstr("Checking for file existence").raw(),
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| 89 | ComSafeArrayAsInParam(args),
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| 90 | ComSafeArrayAsInParam(env),
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| 91 | aUsername, aPassword,
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| 92 | NULL /* Progress */, NULL /* PID */);
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| 93 |
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| 94 | /* If the call succeeded the file exists, otherwise it does not. */
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| 95 | *aExists = SUCCEEDED(rc) ? TRUE : FALSE;
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| 96 | }
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| 97 | catch (std::bad_alloc &)
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| 98 | {
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| 99 | rc = E_OUTOFMEMORY;
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| 100 | }
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| 101 | return rc;
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| 102 | }
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| 103 | #endif /* VBOX_WITH_GUEST_CONTROL */
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| 104 |
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| 105 | STDMETHODIMP Guest::FileQuerySize(IN_BSTR aFile, IN_BSTR aUsername, IN_BSTR aPassword, LONG64 *aSize)
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| 106 | {
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| 107 | #ifndef VBOX_WITH_GUEST_CONTROL
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| 108 | ReturnComNotImplemented();
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| 109 | #else /* VBOX_WITH_GUEST_CONTROL */
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| 110 | using namespace guestControl;
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| 111 |
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| 112 | CheckComArgStrNotEmptyOrNull(aFile);
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| 113 |
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| 114 | /* Do not allow anonymous executions (with system rights). */
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| 115 | if (RT_UNLIKELY((aUsername) == NULL || *(aUsername) == '\0'))
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| 116 | return setError(E_INVALIDARG, tr("No user name specified"));
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| 117 |
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| 118 | return fileQuerySizeInternal(aFile,
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| 119 | aUsername, aPassword, aSize,
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| 120 | NULL /* rc */);
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| 121 | #endif
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| 122 | }
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| 123 |
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| 124 | #ifdef VBOX_WITH_GUEST_CONTROL
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| 125 | HRESULT Guest::fileQuerySizeInternal(IN_BSTR aFile, IN_BSTR aUsername, IN_BSTR aPassword, LONG64 *aSize, int *pRC)
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| 126 | {
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| 127 | using namespace guestControl;
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| 128 |
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| 129 | CheckComArgStrNotEmptyOrNull(aFile);
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| 130 |
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| 131 | AutoCaller autoCaller(this);
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| 132 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
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| 133 |
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| 134 | HRESULT rc = S_OK;
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| 135 | try
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| 136 | {
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| 137 | Utf8Str Utf8File(aFile);
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| 138 | Utf8Str Utf8Username(aUsername);
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| 139 | Utf8Str Utf8Password(aPassword);
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| 140 |
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| 141 | com::SafeArray<IN_BSTR> args;
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| 142 | com::SafeArray<IN_BSTR> env;
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| 143 |
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| 144 | /*
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| 145 | * Prepare tool command line.
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| 146 | */
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| 147 |
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| 148 | /* We need to get output which is machine-readable in form
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| 149 | * of "key=value\0..key=value\0\0". */
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| 150 | args.push_back(Bstr("--machinereadable").raw());
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| 151 |
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| 152 | /* Only the actual file name to chekc is needed for now. */
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| 153 | args.push_back(Bstr(Utf8File).raw());
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| 154 |
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| 155 | /*
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| 156 | * Execute guest process.
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| 157 | */
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| 158 | ComPtr<IProgress> progressFileSize;
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| 159 | ULONG uPID;
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| 160 |
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| 161 | rc = executeAndWaitForTool(Bstr(VBOXSERVICE_TOOL_STAT).raw(), Bstr("Querying file size").raw(),
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| 162 | ComSafeArrayAsInParam(args),
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| 163 | ComSafeArrayAsInParam(env),
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| 164 | aUsername, aPassword,
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| 165 | progressFileSize.asOutParam(), &uPID);
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| 166 | if (SUCCEEDED(rc))
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| 167 | {
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| 168 | GuestCtrlStreamObjects streamObjs;
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| 169 | rc = executeCollectOutput(uPID, streamObjs);
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| 170 | if (SUCCEEDED(rc))
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| 171 | {
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| 172 | /** @todo */
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| 173 | #if 0
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| 174 | int64_t iVal;
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| 175 | vrc = guestStream.GetInt64Ex("st_size", &iVal);
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| 176 | if (RT_SUCCESS(vrc))
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| 177 | *aSize = iVal;
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| 178 | else
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| 179 | rc = setError(VBOX_E_IPRT_ERROR,
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| 180 | tr("Query file size: Unable to retrieve file size for file \"%s\" (%Rrc)"),
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| 181 | Utf8File.c_str(), vrc);
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| 182 | #endif
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| 183 | }
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| 184 | }
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| 185 | }
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| 186 | catch (std::bad_alloc &)
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| 187 | {
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| 188 | rc = E_OUTOFMEMORY;
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| 189 | }
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| 190 | return rc;
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| 191 | }
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| 192 | #endif /* VBOX_WITH_GUEST_CONTROL */
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| 193 |
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