1 | /* $Id: GuestDnDTargetImpl.cpp 103415 2024-02-19 07:52:27Z vboxsync $ */
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2 | /** @file
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3 | * VBox Console COM Class implementation - Guest drag'n drop target.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2014-2023 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 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 |
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29 | /*********************************************************************************************************************************
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30 | * Header Files *
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31 | *********************************************************************************************************************************/
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32 | #define LOG_GROUP LOG_GROUP_GUEST_DND //LOG_GROUP_MAIN_GUESTDNDTARGET
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33 | #include "LoggingNew.h"
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34 |
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35 | #include "GuestImpl.h"
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36 | #include "GuestDnDTargetImpl.h"
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37 | #include "ConsoleImpl.h"
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38 |
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39 | #include "Global.h"
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40 | #include "AutoCaller.h"
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41 | #include "ThreadTask.h"
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42 |
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43 | #include <algorithm> /* For std::find(). */
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44 |
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45 | #include <iprt/asm.h>
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46 | #include <iprt/file.h>
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47 | #include <iprt/dir.h>
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48 | #include <iprt/path.h>
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49 | #include <iprt/uri.h>
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50 | #include <iprt/cpp/utils.h> /* For unconst(). */
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51 |
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52 | #include <VBox/com/array.h>
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53 |
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54 | #include <VBox/GuestHost/DragAndDrop.h>
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55 | #include <VBox/HostServices/Service.h>
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56 |
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57 |
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58 | /**
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59 | * Base class for a target task.
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60 | */
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61 | class GuestDnDTargetTask : public ThreadTask
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62 | {
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63 | public:
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64 |
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65 | GuestDnDTargetTask(GuestDnDTarget *pTarget)
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66 | : ThreadTask("GenericGuestDnDTargetTask")
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67 | , mTarget(pTarget)
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68 | , mRC(VINF_SUCCESS) { }
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69 |
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70 | virtual ~GuestDnDTargetTask(void) { }
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71 |
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72 | /** Returns the overall result of the task. */
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73 | int getRC(void) const { return mRC; }
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74 | /** Returns if the overall result of the task is ok (succeeded) or not. */
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75 | bool isOk(void) const { return RT_SUCCESS(mRC); }
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76 |
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77 | protected:
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78 |
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79 | /** COM object pointer to the parent (source). */
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80 | const ComObjPtr<GuestDnDTarget> mTarget;
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81 | /** Overall result of the task. */
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82 | int mRC;
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83 | };
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84 |
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85 | /**
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86 | * Task structure for sending data to a target using
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87 | * a worker thread.
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88 | */
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89 | class GuestDnDSendDataTask : public GuestDnDTargetTask
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90 | {
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91 | public:
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92 |
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93 | GuestDnDSendDataTask(GuestDnDTarget *pTarget, GuestDnDSendCtx *pCtx)
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94 | : GuestDnDTargetTask(pTarget),
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95 | mpCtx(pCtx)
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96 | {
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97 | m_strTaskName = "dndTgtSndData";
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98 | }
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99 |
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100 | void handler()
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101 | {
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102 | const ComObjPtr<GuestDnDTarget> pThis(mTarget);
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103 | Assert(!pThis.isNull());
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104 |
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105 | AutoCaller autoCaller(pThis);
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106 | if (autoCaller.isNotOk())
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107 | return;
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108 |
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109 | pThis->i_sendData(mpCtx, RT_INDEFINITE_WAIT /* msTimeout */); /* ignore return code */
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110 | }
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111 |
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112 | virtual ~GuestDnDSendDataTask(void) { }
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113 |
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114 | protected:
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115 |
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116 | /** Pointer to send data context. */
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117 | GuestDnDSendCtx *mpCtx;
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118 | };
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119 |
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120 | // constructor / destructor
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121 | /////////////////////////////////////////////////////////////////////////////
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122 |
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123 | GuestDnDTarget::GuestDnDTarget(void)
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124 | : GuestDnDBase(this) { }
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125 |
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126 | GuestDnDTarget::~GuestDnDTarget(void) { }
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127 |
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128 | HRESULT GuestDnDTarget::FinalConstruct(void)
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129 | {
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130 | /* Set the maximum block size our guests can handle to 64K. This always has
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131 | * been hardcoded until now. */
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132 | /* Note: Never ever rely on information from the guest; the host dictates what and
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133 | * how to do something, so try to negogiate a sensible value here later. */
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134 | mData.mcbBlockSize = DND_DEFAULT_CHUNK_SIZE; /** @todo Make this configurable. */
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135 |
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136 | LogFlowThisFunc(("\n"));
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137 | return BaseFinalConstruct();
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138 | }
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139 |
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140 | void GuestDnDTarget::FinalRelease(void)
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141 | {
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142 | LogFlowThisFuncEnter();
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143 | uninit();
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144 | BaseFinalRelease();
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145 | LogFlowThisFuncLeave();
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146 | }
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147 |
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148 | // public initializer/uninitializer for internal purposes only
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149 | /////////////////////////////////////////////////////////////////////////////
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150 |
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151 | HRESULT GuestDnDTarget::init(const ComObjPtr<Guest>& pGuest)
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152 | {
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153 | LogFlowThisFuncEnter();
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154 |
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155 | /* Enclose the state transition NotReady->InInit->Ready. */
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156 | AutoInitSpan autoInitSpan(this);
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157 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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158 |
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159 | unconst(m_pGuest) = pGuest;
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160 |
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161 | /* Set the response we're going to use for this object.
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162 | *
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163 | * At the moment we only have one response total, as we
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164 | * don't allow
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165 | * 1) parallel transfers (multiple G->H at the same time)
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166 | * nor 2) mixed transfers (G->H + H->G at the same time).
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167 | */
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168 | m_pState = GuestDnDInst()->getState();
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169 | AssertPtrReturn(m_pState, E_POINTER);
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170 |
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171 | /* Confirm a successful initialization when it's the case. */
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172 | autoInitSpan.setSucceeded();
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173 |
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174 | return S_OK;
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175 | }
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176 |
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177 | /**
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178 | * Uninitializes the instance.
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179 | * Called from FinalRelease().
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180 | */
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181 | void GuestDnDTarget::uninit(void)
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182 | {
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183 | LogFlowThisFunc(("\n"));
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184 |
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185 | /* Enclose the state transition Ready->InUninit->NotReady. */
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186 | AutoUninitSpan autoUninitSpan(this);
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187 | if (autoUninitSpan.uninitDone())
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188 | return;
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189 | }
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190 |
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191 | // implementation of wrapped IDnDBase methods.
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192 | /////////////////////////////////////////////////////////////////////////////
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193 |
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194 | HRESULT GuestDnDTarget::isFormatSupported(const com::Utf8Str &aFormat, BOOL *aSupported)
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195 | {
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196 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
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197 | ReturnComNotImplemented();
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198 | #else /* VBOX_WITH_DRAG_AND_DROP */
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199 |
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200 | AutoCaller autoCaller(this);
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201 | if (autoCaller.isNotOk()) return autoCaller.hrc();
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202 |
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203 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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204 |
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205 | *aSupported = GuestDnDBase::i_isFormatSupported(aFormat) ? TRUE : FALSE;
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206 |
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207 | return S_OK;
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208 | #endif /* VBOX_WITH_DRAG_AND_DROP */
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209 | }
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210 |
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211 | HRESULT GuestDnDTarget::getFormats(GuestDnDMIMEList &aFormats)
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212 | {
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213 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
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214 | ReturnComNotImplemented();
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215 | #else /* VBOX_WITH_DRAG_AND_DROP */
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216 |
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217 | AutoCaller autoCaller(this);
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218 | if (autoCaller.isNotOk()) return autoCaller.hrc();
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219 |
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220 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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221 |
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222 | aFormats = GuestDnDBase::i_getFormats();
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223 |
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224 | return S_OK;
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225 | #endif /* VBOX_WITH_DRAG_AND_DROP */
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226 | }
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227 |
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228 | HRESULT GuestDnDTarget::addFormats(const GuestDnDMIMEList &aFormats)
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229 | {
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230 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
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231 | ReturnComNotImplemented();
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232 | #else /* VBOX_WITH_DRAG_AND_DROP */
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233 |
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234 | AutoCaller autoCaller(this);
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235 | if (autoCaller.isNotOk()) return autoCaller.hrc();
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236 |
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237 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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238 |
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239 | return GuestDnDBase::i_addFormats(aFormats);
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240 | #endif /* VBOX_WITH_DRAG_AND_DROP */
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241 | }
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242 |
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243 | HRESULT GuestDnDTarget::removeFormats(const GuestDnDMIMEList &aFormats)
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244 | {
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245 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
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246 | ReturnComNotImplemented();
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247 | #else /* VBOX_WITH_DRAG_AND_DROP */
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248 |
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249 | AutoCaller autoCaller(this);
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250 | if (autoCaller.isNotOk()) return autoCaller.hrc();
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251 |
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252 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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253 |
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254 | return GuestDnDBase::i_removeFormats(aFormats);
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255 | #endif /* VBOX_WITH_DRAG_AND_DROP */
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256 | }
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257 |
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258 | // implementation of wrapped IDnDTarget methods.
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259 | /////////////////////////////////////////////////////////////////////////////
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260 |
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261 | HRESULT GuestDnDTarget::enter(ULONG aScreenId, ULONG aX, ULONG aY,
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262 | DnDAction_T aDefaultAction,
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263 | const std::vector<DnDAction_T> &aAllowedActions,
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264 | const GuestDnDMIMEList &aFormats,
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265 | DnDAction_T *aResultAction)
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266 | {
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267 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
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268 | ReturnComNotImplemented();
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269 | #else /* VBOX_WITH_DRAG_AND_DROP */
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270 |
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271 | /* Input validation. */
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272 | if (aDefaultAction == DnDAction_Ignore)
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273 | return setError(E_INVALIDARG, tr("No default action specified"));
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274 | if (!aAllowedActions.size())
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275 | return setError(E_INVALIDARG, tr("Number of allowed actions is empty"));
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276 | if (!aFormats.size())
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277 | return setError(E_INVALIDARG, tr("Number of supported formats is empty"));
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278 |
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279 | AutoCaller autoCaller(this);
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280 | if (autoCaller.isNotOk()) return autoCaller.hrc();
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281 |
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282 | /* Default action is ignoring. */
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283 | DnDAction_T resAction = DnDAction_Ignore;
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284 |
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285 | /* Check & convert the drag & drop actions. */
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286 | VBOXDNDACTION dndActionDefault = 0;
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287 | VBOXDNDACTIONLIST dndActionListAllowed = 0;
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288 | GuestDnD::toHGCMActions(aDefaultAction, &dndActionDefault,
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289 | aAllowedActions, &dndActionListAllowed);
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290 |
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291 | /* If there is no usable action, ignore this request. */
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292 | if (isDnDIgnoreAction(dndActionDefault))
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293 | return S_OK;
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294 |
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295 | GuestDnDState *pState = GuestDnDInst()->getState();
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296 | AssertPtrReturn(pState, E_POINTER);
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297 |
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298 | /*
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299 | * Make a flat data string out of the supported format list.
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300 | * In the GuestDnDTarget case the source formats are from the host,
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301 | * as GuestDnDTarget acts as a source for the guest.
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302 | */
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303 | Utf8Str strFormats = GuestDnD::toFormatString(GuestDnD::toFilteredFormatList(m_lstFmtSupported, aFormats));
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304 | if (strFormats.isEmpty())
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305 | return setError(E_INVALIDARG, tr("No or not supported format(s) specified"));
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306 | const uint32_t cbFormats = (uint32_t)strFormats.length() + 1; /* Include terminating zero. */
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307 |
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308 | LogRel2(("DnD: Offered formats to guest:\n"));
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309 | RTCList<RTCString> lstFormats = strFormats.split(DND_PATH_SEPARATOR_STR);
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310 | for (size_t i = 0; i < lstFormats.size(); i++)
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311 | LogRel2(("DnD: \t%s\n", lstFormats[i].c_str()));
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312 |
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313 | /* Save the formats offered to the guest. This is needed to later
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314 | * decide what to do with the data when sending stuff to the guest. */
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315 | m_lstFmtOffered = aFormats;
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316 | Assert(m_lstFmtOffered.size());
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317 |
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318 | /* Adjust the coordinates in a multi-monitor setup. */
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319 | HRESULT hrc = GuestDnDInst()->adjustScreenCoordinates(aScreenId, &aX, &aY);
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320 | if (SUCCEEDED(hrc))
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321 | {
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322 | GuestDnDMsg Msg;
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323 | Msg.setType(HOST_DND_FN_HG_EVT_ENTER);
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324 | if (m_pState->m_uProtocolVersion >= 3)
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325 | Msg.appendUInt32(0); /** @todo ContextID not used yet. */
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326 | Msg.appendUInt32(aScreenId);
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327 | Msg.appendUInt32(aX);
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328 | Msg.appendUInt32(aY);
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329 | Msg.appendUInt32(dndActionDefault);
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330 | Msg.appendUInt32(dndActionListAllowed);
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331 | Msg.appendPointer((void *)strFormats.c_str(), cbFormats);
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332 | Msg.appendUInt32(cbFormats);
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333 |
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334 | int vrc = GuestDnDInst()->hostCall(Msg.getType(), Msg.getCount(), Msg.getParms());
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335 | if (RT_SUCCESS(vrc))
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336 | {
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337 | int vrcGuest;
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338 | if (RT_SUCCESS(vrc = pState->waitForGuestResponse(&vrcGuest)))
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339 | {
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340 | resAction = GuestDnD::toMainAction(m_pState->getActionDefault());
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341 |
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342 | LogRel2(("DnD: Host enters the VM window at %RU32,%RU32 (screen %u, default action is '%s') -> guest reported back action '%s'\n",
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343 | aX, aY, aScreenId, DnDActionToStr(dndActionDefault), DnDActionToStr(resAction)));
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344 |
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345 | pState->set(VBOXDNDSTATE_ENTERED);
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346 | }
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347 | else
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348 | hrc = i_setErrorAndReset(vrc == VERR_DND_GUEST_ERROR ? vrcGuest : vrc, tr("Entering VM window failed"));
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349 | }
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350 | else
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351 | {
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352 | switch (vrc)
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353 | {
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354 | case VERR_ACCESS_DENIED:
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355 | {
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356 | hrc = i_setErrorAndReset(tr("Drag and drop to guest not allowed. Select the right mode first"));
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357 | break;
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358 | }
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359 |
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360 | case VERR_NOT_SUPPORTED:
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361 | {
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362 | hrc = i_setErrorAndReset(tr("Drag and drop to guest not possible -- either the guest OS does not support this, "
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363 | "or the Guest Additions are not installed"));
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364 | break;
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365 | }
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366 |
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367 | default:
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368 | hrc = i_setErrorAndReset(vrc, tr("Entering VM window failed"));
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369 | break;
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370 | }
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371 | }
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372 | }
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373 |
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374 | if (SUCCEEDED(hrc))
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375 | {
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376 | if (aResultAction)
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377 | *aResultAction = resAction;
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378 | }
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379 |
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380 | LogFlowFunc(("hrc=%Rhrc, resAction=%ld\n", hrc, resAction));
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381 | return hrc;
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382 | #endif /* VBOX_WITH_DRAG_AND_DROP */
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383 | }
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384 |
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385 | HRESULT GuestDnDTarget::move(ULONG aScreenId, ULONG aX, ULONG aY,
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386 | DnDAction_T aDefaultAction,
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387 | const std::vector<DnDAction_T> &aAllowedActions,
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388 | const GuestDnDMIMEList &aFormats,
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389 | DnDAction_T *aResultAction)
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390 | {
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391 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
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392 | ReturnComNotImplemented();
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393 | #else /* VBOX_WITH_DRAG_AND_DROP */
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394 |
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395 | /* Input validation. */
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396 |
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397 | AutoCaller autoCaller(this);
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398 | if (autoCaller.isNotOk()) return autoCaller.hrc();
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399 |
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400 | /* Default action is ignoring. */
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401 | DnDAction_T resAction = DnDAction_Ignore;
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402 |
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403 | /* Check & convert the drag & drop actions. */
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404 | VBOXDNDACTION dndActionDefault = 0;
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405 | VBOXDNDACTIONLIST dndActionListAllowed = 0;
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406 | GuestDnD::toHGCMActions(aDefaultAction, &dndActionDefault,
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407 | aAllowedActions, &dndActionListAllowed);
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408 |
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409 | /* If there is no usable action, ignore this request. */
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410 | if (isDnDIgnoreAction(dndActionDefault))
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411 | return S_OK;
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412 |
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413 | GuestDnDState *pState = GuestDnDInst()->getState();
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414 | AssertPtrReturn(pState, E_POINTER);
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415 |
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416 | /*
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417 | * Make a flat data string out of the supported format list.
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418 | * In the GuestDnDTarget case the source formats are from the host,
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419 | * as GuestDnDTarget acts as a source for the guest.
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420 | */
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421 | Utf8Str strFormats = GuestDnD::toFormatString(GuestDnD::toFilteredFormatList(m_lstFmtSupported, aFormats));
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422 | if (strFormats.isEmpty())
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423 | return setError(E_INVALIDARG, tr("No or not supported format(s) specified"));
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424 | const uint32_t cbFormats = (uint32_t)strFormats.length() + 1; /* Include terminating zero. */
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425 |
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426 | HRESULT hrc = GuestDnDInst()->adjustScreenCoordinates(aScreenId, &aX, &aY);
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427 | if (SUCCEEDED(hrc))
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428 | {
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429 | GuestDnDMsg Msg;
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430 | Msg.setType(HOST_DND_FN_HG_EVT_MOVE);
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431 | if (m_pState->m_uProtocolVersion >= 3)
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432 | Msg.appendUInt32(0); /** @todo ContextID not used yet. */
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433 | Msg.appendUInt32(aScreenId);
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434 | Msg.appendUInt32(aX);
|
---|
435 | Msg.appendUInt32(aY);
|
---|
436 | Msg.appendUInt32(dndActionDefault);
|
---|
437 | Msg.appendUInt32(dndActionListAllowed);
|
---|
438 | Msg.appendPointer((void *)strFormats.c_str(), cbFormats);
|
---|
439 | Msg.appendUInt32(cbFormats);
|
---|
440 |
|
---|
441 | int vrc = GuestDnDInst()->hostCall(Msg.getType(), Msg.getCount(), Msg.getParms());
|
---|
442 | if (RT_SUCCESS(vrc))
|
---|
443 | {
|
---|
444 | int vrcGuest;
|
---|
445 | if (RT_SUCCESS(vrc = pState->waitForGuestResponse(&vrcGuest)))
|
---|
446 | {
|
---|
447 | resAction = GuestDnD::toMainAction(pState->getActionDefault());
|
---|
448 |
|
---|
449 | LogRel2(("DnD: Host moved to %RU32,%RU32 in VM window (screen %u, default action is '%s') -> guest reported back action '%s'\n",
|
---|
450 | aX, aY, aScreenId, DnDActionToStr(dndActionDefault), DnDActionToStr(resAction)));
|
---|
451 |
|
---|
452 | pState->set(VBOXDNDSTATE_DRAGGING);
|
---|
453 | }
|
---|
454 | else
|
---|
455 | hrc = i_setErrorAndReset(vrc == VERR_DND_GUEST_ERROR ? vrcGuest : vrc,
|
---|
456 | tr("Moving to %RU32,%RU32 (screen %u) failed"), aX, aY, aScreenId);
|
---|
457 | }
|
---|
458 | else
|
---|
459 | {
|
---|
460 | switch (vrc)
|
---|
461 | {
|
---|
462 | case VERR_ACCESS_DENIED:
|
---|
463 | {
|
---|
464 | hrc = i_setErrorAndReset(tr("Moving in guest not allowed. Select the right mode first"));
|
---|
465 | break;
|
---|
466 | }
|
---|
467 |
|
---|
468 | case VERR_NOT_SUPPORTED:
|
---|
469 | {
|
---|
470 | hrc = i_setErrorAndReset(tr("Moving in guest not possible -- either the guest OS does not support this, "
|
---|
471 | "or the Guest Additions are not installed"));
|
---|
472 | break;
|
---|
473 | }
|
---|
474 |
|
---|
475 | default:
|
---|
476 | hrc = i_setErrorAndReset(vrc, tr("Moving in VM window failed"));
|
---|
477 | break;
|
---|
478 | }
|
---|
479 | }
|
---|
480 | }
|
---|
481 | else
|
---|
482 | hrc = i_setErrorAndReset(tr("Retrieving move coordinates failed"));
|
---|
483 |
|
---|
484 | if (SUCCEEDED(hrc))
|
---|
485 | {
|
---|
486 | if (aResultAction)
|
---|
487 | *aResultAction = resAction;
|
---|
488 | }
|
---|
489 |
|
---|
490 | LogFlowFunc(("hrc=%Rhrc, *pResultAction=%ld\n", hrc, resAction));
|
---|
491 | return hrc;
|
---|
492 | #endif /* VBOX_WITH_DRAG_AND_DROP */
|
---|
493 | }
|
---|
494 |
|
---|
495 | HRESULT GuestDnDTarget::leave(ULONG uScreenId)
|
---|
496 | {
|
---|
497 | RT_NOREF(uScreenId);
|
---|
498 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
|
---|
499 | ReturnComNotImplemented();
|
---|
500 | #else /* VBOX_WITH_DRAG_AND_DROP */
|
---|
501 |
|
---|
502 | AutoCaller autoCaller(this);
|
---|
503 | if (autoCaller.isNotOk()) return autoCaller.hrc();
|
---|
504 |
|
---|
505 | GuestDnDState *pState = GuestDnDInst()->getState();
|
---|
506 | AssertPtrReturn(pState, E_POINTER);
|
---|
507 |
|
---|
508 | if (pState->get() == VBOXDNDSTATE_DROP_STARTED)
|
---|
509 | return S_OK;
|
---|
510 |
|
---|
511 | HRESULT hrc = S_OK;
|
---|
512 |
|
---|
513 | LogRel2(("DnD: Host left the VM window (screen %u)\n", uScreenId));
|
---|
514 |
|
---|
515 | GuestDnDMsg Msg;
|
---|
516 | Msg.setType(HOST_DND_FN_HG_EVT_LEAVE);
|
---|
517 | if (m_pState->m_uProtocolVersion >= 3)
|
---|
518 | Msg.appendUInt32(0); /** @todo ContextID not used yet. */
|
---|
519 |
|
---|
520 | int vrc = GuestDnDInst()->hostCall(Msg.getType(), Msg.getCount(), Msg.getParms());
|
---|
521 | if (RT_SUCCESS(vrc))
|
---|
522 | {
|
---|
523 | int vrcGuest;
|
---|
524 | if (RT_SUCCESS(vrc = pState->waitForGuestResponse(&vrcGuest)))
|
---|
525 | {
|
---|
526 | pState->set(VBOXDNDSTATE_LEFT);
|
---|
527 | }
|
---|
528 | else
|
---|
529 | hrc = i_setErrorAndReset(vrc == VERR_DND_GUEST_ERROR ? vrcGuest : vrc, tr("Leaving VM window failed"));
|
---|
530 | }
|
---|
531 | else
|
---|
532 | {
|
---|
533 | switch (vrc)
|
---|
534 | {
|
---|
535 | case VERR_ACCESS_DENIED:
|
---|
536 | {
|
---|
537 | hrc = i_setErrorAndReset(tr("Leaving guest not allowed. Select the right mode first"));
|
---|
538 | break;
|
---|
539 | }
|
---|
540 |
|
---|
541 | case VERR_NOT_SUPPORTED:
|
---|
542 | {
|
---|
543 | hrc = i_setErrorAndReset(tr("Leaving guest not possible -- either the guest OS does not support this, "
|
---|
544 | "or the Guest Additions are not installed"));
|
---|
545 | break;
|
---|
546 | }
|
---|
547 |
|
---|
548 | default:
|
---|
549 | hrc = i_setErrorAndReset(vrc, tr("Leaving VM window failed"));
|
---|
550 | break;
|
---|
551 | }
|
---|
552 | }
|
---|
553 |
|
---|
554 | LogFlowFunc(("hrc=%Rhrc\n", hrc));
|
---|
555 | return hrc;
|
---|
556 | #endif /* VBOX_WITH_DRAG_AND_DROP */
|
---|
557 | }
|
---|
558 |
|
---|
559 | HRESULT GuestDnDTarget::drop(ULONG aScreenId, ULONG aX, ULONG aY,
|
---|
560 | DnDAction_T aDefaultAction,
|
---|
561 | const std::vector<DnDAction_T> &aAllowedActions,
|
---|
562 | const GuestDnDMIMEList &aFormats,
|
---|
563 | com::Utf8Str &aFormat,
|
---|
564 | DnDAction_T *aResultAction)
|
---|
565 | {
|
---|
566 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
|
---|
567 | ReturnComNotImplemented();
|
---|
568 | #else /* VBOX_WITH_DRAG_AND_DROP */
|
---|
569 |
|
---|
570 | if (aDefaultAction == DnDAction_Ignore)
|
---|
571 | return setError(E_INVALIDARG, tr("Invalid default action specified"));
|
---|
572 | if (!aAllowedActions.size())
|
---|
573 | return setError(E_INVALIDARG, tr("Invalid allowed actions specified"));
|
---|
574 | if (!aFormats.size())
|
---|
575 | return setError(E_INVALIDARG, tr("No drop format(s) specified"));
|
---|
576 | /* aResultAction is optional. */
|
---|
577 |
|
---|
578 | AutoCaller autoCaller(this);
|
---|
579 | if (FAILED(autoCaller.hrc())) return autoCaller.hrc();
|
---|
580 |
|
---|
581 | /* Default action is ignoring. */
|
---|
582 | DnDAction_T resAct = DnDAction_Ignore;
|
---|
583 | Utf8Str resFmt;
|
---|
584 |
|
---|
585 | /* Check & convert the drag & drop actions to HGCM codes. */
|
---|
586 | VBOXDNDACTION dndActionDefault = VBOX_DND_ACTION_IGNORE;
|
---|
587 | VBOXDNDACTIONLIST dndActionListAllowed = 0;
|
---|
588 | GuestDnD::toHGCMActions(aDefaultAction, &dndActionDefault,
|
---|
589 | aAllowedActions, &dndActionListAllowed);
|
---|
590 |
|
---|
591 | /* If there is no usable action, ignore this request. */
|
---|
592 | if (isDnDIgnoreAction(dndActionDefault))
|
---|
593 | {
|
---|
594 | aFormat = "";
|
---|
595 | if (aResultAction)
|
---|
596 | *aResultAction = DnDAction_Ignore;
|
---|
597 | return S_OK;
|
---|
598 | }
|
---|
599 |
|
---|
600 | GuestDnDState *pState = GuestDnDInst()->getState();
|
---|
601 | AssertPtrReturn(pState, E_POINTER);
|
---|
602 |
|
---|
603 | /*
|
---|
604 | * Make a flat data string out of the supported format list.
|
---|
605 | * In the GuestDnDTarget case the source formats are from the host,
|
---|
606 | * as GuestDnDTarget acts as a source for the guest.
|
---|
607 | */
|
---|
608 | Utf8Str strFormats = GuestDnD::toFormatString(GuestDnD::toFilteredFormatList(m_lstFmtSupported, aFormats));
|
---|
609 | if (strFormats.isEmpty())
|
---|
610 | return setError(E_INVALIDARG, tr("No or not supported format(s) specified"));
|
---|
611 | const uint32_t cbFormats = (uint32_t)strFormats.length() + 1; /* Include terminating zero. */
|
---|
612 |
|
---|
613 | /* Adjust the coordinates in a multi-monitor setup. */
|
---|
614 | HRESULT hrc = GuestDnDInst()->adjustScreenCoordinates(aScreenId, &aX, &aY);
|
---|
615 | if (SUCCEEDED(hrc))
|
---|
616 | {
|
---|
617 | GuestDnDMsg Msg;
|
---|
618 | Msg.setType(HOST_DND_FN_HG_EVT_DROPPED);
|
---|
619 | if (m_pState->m_uProtocolVersion >= 3)
|
---|
620 | Msg.appendUInt32(0); /** @todo ContextID not used yet. */
|
---|
621 | Msg.appendUInt32(aScreenId);
|
---|
622 | Msg.appendUInt32(aX);
|
---|
623 | Msg.appendUInt32(aY);
|
---|
624 | Msg.appendUInt32(dndActionDefault);
|
---|
625 | Msg.appendUInt32(dndActionListAllowed);
|
---|
626 | Msg.appendPointer((void*)strFormats.c_str(), cbFormats);
|
---|
627 | Msg.appendUInt32(cbFormats);
|
---|
628 |
|
---|
629 | LogRel2(("DnD: Host drops at %RU32,%RU32 in VM window (screen %u, default action is '%s')\n",
|
---|
630 | aX, aY, aScreenId, DnDActionToStr(dndActionDefault)));
|
---|
631 |
|
---|
632 | int vrc = GuestDnDInst()->hostCall(Msg.getType(), Msg.getCount(), Msg.getParms());
|
---|
633 | if (RT_SUCCESS(vrc))
|
---|
634 | {
|
---|
635 | int vrcGuest;
|
---|
636 | if (RT_SUCCESS(vrc = pState->waitForGuestResponse(&vrcGuest)))
|
---|
637 | {
|
---|
638 | resAct = GuestDnD::toMainAction(pState->getActionDefault());
|
---|
639 | if (resAct != DnDAction_Ignore) /* Does the guest accept a drop at the current position? */
|
---|
640 | {
|
---|
641 | GuestDnDMIMEList lstFormats = pState->formats();
|
---|
642 | if (lstFormats.size() == 1) /* Exactly one format to use specified? */
|
---|
643 | {
|
---|
644 | resFmt = lstFormats.at(0);
|
---|
645 |
|
---|
646 | LogRel2(("DnD: Guest accepted drop in format '%s' (action %#x, %zu format(s))\n",
|
---|
647 | resFmt.c_str(), resAct, lstFormats.size()));
|
---|
648 |
|
---|
649 | pState->set(VBOXDNDSTATE_DROP_STARTED);
|
---|
650 | }
|
---|
651 | else
|
---|
652 | {
|
---|
653 | if (lstFormats.size() == 0)
|
---|
654 | hrc = i_setErrorAndReset(VERR_DND_GUEST_ERROR, tr("Guest accepted drop, but did not specify the format"));
|
---|
655 | else
|
---|
656 | hrc = i_setErrorAndReset(VERR_DND_GUEST_ERROR, tr("Guest accepted drop, but returned more than one drop format (%zu formats)"),
|
---|
657 | lstFormats.size());
|
---|
658 | }
|
---|
659 | }
|
---|
660 | }
|
---|
661 | else
|
---|
662 | hrc = i_setErrorAndReset(vrc == VERR_DND_GUEST_ERROR ? vrcGuest : vrc, tr("Dropping into VM failed"));
|
---|
663 | }
|
---|
664 | else
|
---|
665 | hrc = i_setErrorAndReset(vrc, tr("Sending dropped event to guest failed"));
|
---|
666 | }
|
---|
667 | else
|
---|
668 | hrc = i_setErrorAndReset(hrc, tr("Retrieving drop coordinates failed"));
|
---|
669 |
|
---|
670 | if (SUCCEEDED(hrc))
|
---|
671 | {
|
---|
672 | aFormat = resFmt;
|
---|
673 | if (aResultAction)
|
---|
674 | *aResultAction = resAct;
|
---|
675 | }
|
---|
676 |
|
---|
677 | return hrc;
|
---|
678 | #endif /* VBOX_WITH_DRAG_AND_DROP */
|
---|
679 | }
|
---|
680 |
|
---|
681 | /**
|
---|
682 | * Initiates a data transfer from the host to the guest.
|
---|
683 | *
|
---|
684 | * The source is the host, whereas the target is the guest.
|
---|
685 | *
|
---|
686 | * @return HRESULT
|
---|
687 | * @param aScreenId Screen ID where this data transfer was initiated from.
|
---|
688 | * @param aFormat Format of data to send. MIME-style.
|
---|
689 | * @param aData Actual data to send.
|
---|
690 | * @param aProgress Where to return the progress object on success.
|
---|
691 | */
|
---|
692 | HRESULT GuestDnDTarget::sendData(ULONG aScreenId, const com::Utf8Str &aFormat, const std::vector<BYTE> &aData,
|
---|
693 | ComPtr<IProgress> &aProgress)
|
---|
694 | {
|
---|
695 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
|
---|
696 | ReturnComNotImplemented();
|
---|
697 | #else /* VBOX_WITH_DRAG_AND_DROP */
|
---|
698 |
|
---|
699 | AutoCaller autoCaller(this);
|
---|
700 | if (FAILED(autoCaller.hrc())) return autoCaller.hrc();
|
---|
701 |
|
---|
702 | /* Input validation. */
|
---|
703 | if (RT_UNLIKELY((aFormat.c_str()) == NULL || *(aFormat.c_str()) == '\0'))
|
---|
704 | return setError(E_INVALIDARG, tr("No data format specified"));
|
---|
705 | if (RT_UNLIKELY(!aData.size()))
|
---|
706 | return setError(E_INVALIDARG, tr("No data to send specified"));
|
---|
707 |
|
---|
708 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
709 |
|
---|
710 | /* Check if this object still is in a pending state and bail out if so. */
|
---|
711 | if (m_fIsPending)
|
---|
712 | return setError(E_FAIL, tr("Current drop operation to guest still in progress"));
|
---|
713 |
|
---|
714 | /* At the moment we only support one transfer at a time. */
|
---|
715 | if (GuestDnDInst()->getTargetCount())
|
---|
716 | return setError(E_INVALIDARG, tr("Another drag and drop operation to the guest already is in progress"));
|
---|
717 |
|
---|
718 | /* Reset progress object. */
|
---|
719 | GuestDnDState *pState = GuestDnDInst()->getState();
|
---|
720 | AssertPtr(pState);
|
---|
721 | HRESULT hr = pState->resetProgress(m_pGuest, tr("Dropping data to guest"));
|
---|
722 | if (FAILED(hr))
|
---|
723 | return hr;
|
---|
724 |
|
---|
725 | GuestDnDSendDataTask *pTask = NULL;
|
---|
726 |
|
---|
727 | try
|
---|
728 | {
|
---|
729 | mData.mSendCtx.reset();
|
---|
730 |
|
---|
731 | mData.mSendCtx.pTarget = this;
|
---|
732 | mData.mSendCtx.pState = pState;
|
---|
733 | mData.mSendCtx.uScreenID = aScreenId;
|
---|
734 |
|
---|
735 | mData.mSendCtx.Meta.strFmt = aFormat;
|
---|
736 | mData.mSendCtx.Meta.add(aData);
|
---|
737 |
|
---|
738 | LogRel2(("DnD: Host sends data in format '%s'\n", aFormat.c_str()));
|
---|
739 |
|
---|
740 | pTask = new GuestDnDSendDataTask(this, &mData.mSendCtx);
|
---|
741 | if (!pTask->isOk())
|
---|
742 | {
|
---|
743 | delete pTask;
|
---|
744 | LogRel(("DnD: Could not create SendDataTask object\n"));
|
---|
745 | throw hr = E_FAIL;
|
---|
746 | }
|
---|
747 |
|
---|
748 | /* This function delete pTask in case of exceptions,
|
---|
749 | * so there is no need in the call of delete operator. */
|
---|
750 | hr = pTask->createThreadWithType(RTTHREADTYPE_MAIN_WORKER);
|
---|
751 | pTask = NULL; /* Note: pTask is now owned by the worker thread. */
|
---|
752 | }
|
---|
753 | catch (std::bad_alloc &)
|
---|
754 | {
|
---|
755 | hr = E_OUTOFMEMORY;
|
---|
756 | }
|
---|
757 | catch (...)
|
---|
758 | {
|
---|
759 | LogRel(("DnD: Could not create thread for data sending task\n"));
|
---|
760 | hr = E_FAIL;
|
---|
761 | }
|
---|
762 |
|
---|
763 | if (SUCCEEDED(hr))
|
---|
764 | {
|
---|
765 | /* Register ourselves at the DnD manager. */
|
---|
766 | GuestDnDInst()->registerTarget(this);
|
---|
767 |
|
---|
768 | /* Return progress to caller. */
|
---|
769 | hr = pState->queryProgressTo(aProgress.asOutParam());
|
---|
770 | ComAssertComRC(hr);
|
---|
771 | }
|
---|
772 | else
|
---|
773 | hr = i_setErrorAndReset(tr("Starting thread for GuestDnDTarget failed (%Rhrc)"), hr);
|
---|
774 |
|
---|
775 | LogFlowFunc(("Returning hr=%Rhrc\n", hr));
|
---|
776 | return hr;
|
---|
777 | #endif /* VBOX_WITH_DRAG_AND_DROP */
|
---|
778 | }
|
---|
779 |
|
---|
780 | /**
|
---|
781 | * Returns an error string from a guest DnD error.
|
---|
782 | *
|
---|
783 | * @returns Error string.
|
---|
784 | * @param guestRc Guest error to return error string for.
|
---|
785 | */
|
---|
786 | /* static */
|
---|
787 | Utf8Str GuestDnDTarget::i_guestErrorToString(int guestRc)
|
---|
788 | {
|
---|
789 | Utf8Str strError;
|
---|
790 |
|
---|
791 | switch (guestRc)
|
---|
792 | {
|
---|
793 | case VERR_ACCESS_DENIED:
|
---|
794 | strError += Utf8StrFmt(tr("For one or more guest files or directories selected for transferring to the host your guest "
|
---|
795 | "user does not have the appropriate access rights for. Please make sure that all selected "
|
---|
796 | "elements can be accessed and that your guest user has the appropriate rights"));
|
---|
797 | break;
|
---|
798 |
|
---|
799 | case VERR_NOT_FOUND:
|
---|
800 | /* Should not happen due to file locking on the guest, but anyway ... */
|
---|
801 | strError += Utf8StrFmt(tr("One or more guest files or directories selected for transferring to the host were not"
|
---|
802 | "found on the guest anymore. This can be the case if the guest files were moved and/or"
|
---|
803 | "altered while the drag and drop operation was in progress"));
|
---|
804 | break;
|
---|
805 |
|
---|
806 | case VERR_SHARING_VIOLATION:
|
---|
807 | strError += Utf8StrFmt(tr("One or more guest files or directories selected for transferring to the host were locked. "
|
---|
808 | "Please make sure that all selected elements can be accessed and that your guest user has "
|
---|
809 | "the appropriate rights"));
|
---|
810 | break;
|
---|
811 |
|
---|
812 | case VERR_TIMEOUT:
|
---|
813 | strError += Utf8StrFmt(tr("The guest was not able to process the drag and drop data within time"));
|
---|
814 | break;
|
---|
815 |
|
---|
816 | default:
|
---|
817 | strError += Utf8StrFmt(tr("Drag and drop error from guest (%Rrc)"), guestRc);
|
---|
818 | break;
|
---|
819 | }
|
---|
820 |
|
---|
821 | return strError;
|
---|
822 | }
|
---|
823 |
|
---|
824 | /**
|
---|
825 | * Returns an error string from a host DnD error.
|
---|
826 | *
|
---|
827 | * @returns Error string.
|
---|
828 | * @param hostRc Host error to return error string for.
|
---|
829 | */
|
---|
830 | /* static */
|
---|
831 | Utf8Str GuestDnDTarget::i_hostErrorToString(int hostRc)
|
---|
832 | {
|
---|
833 | Utf8Str strError;
|
---|
834 |
|
---|
835 | switch (hostRc)
|
---|
836 | {
|
---|
837 | case VERR_ACCESS_DENIED:
|
---|
838 | strError += Utf8StrFmt(tr("For one or more host files or directories selected for transferring to the guest your host "
|
---|
839 | "user does not have the appropriate access rights for. Please make sure that all selected "
|
---|
840 | "elements can be accessed and that your host user has the appropriate rights."));
|
---|
841 | break;
|
---|
842 |
|
---|
843 | case VERR_NOT_FOUND:
|
---|
844 | /* Should not happen due to file locking on the host, but anyway ... */
|
---|
845 | strError += Utf8StrFmt(tr("One or more host files or directories selected for transferring to the host were not"
|
---|
846 | "found on the host anymore. This can be the case if the host files were moved and/or"
|
---|
847 | "altered while the drag and drop operation was in progress."));
|
---|
848 | break;
|
---|
849 |
|
---|
850 | case VERR_SHARING_VIOLATION:
|
---|
851 | strError += Utf8StrFmt(tr("One or more host files or directories selected for transferring to the guest were locked. "
|
---|
852 | "Please make sure that all selected elements can be accessed and that your host user has "
|
---|
853 | "the appropriate rights."));
|
---|
854 | break;
|
---|
855 |
|
---|
856 | default:
|
---|
857 | strError += Utf8StrFmt(tr("Drag and drop error from host (%Rrc)"), hostRc);
|
---|
858 | break;
|
---|
859 | }
|
---|
860 |
|
---|
861 | return strError;
|
---|
862 | }
|
---|
863 |
|
---|
864 | /**
|
---|
865 | * Resets all internal data and state.
|
---|
866 | */
|
---|
867 | void GuestDnDTarget::i_reset(void)
|
---|
868 | {
|
---|
869 | LogRel2(("DnD: Target reset\n"));
|
---|
870 |
|
---|
871 | mData.mSendCtx.reset();
|
---|
872 |
|
---|
873 | m_fIsPending = false;
|
---|
874 |
|
---|
875 | /* Unregister ourselves from the DnD manager. */
|
---|
876 | GuestDnDInst()->unregisterTarget(this);
|
---|
877 | }
|
---|
878 |
|
---|
879 | /**
|
---|
880 | * Main function for sending DnD host data to the guest.
|
---|
881 | *
|
---|
882 | * @returns VBox status code.
|
---|
883 | * @param pCtx Send context to use.
|
---|
884 | * @param msTimeout Timeout (in ms) to wait for getting the data sent.
|
---|
885 | */
|
---|
886 | int GuestDnDTarget::i_sendData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout)
|
---|
887 | {
|
---|
888 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
889 |
|
---|
890 | /* Don't allow receiving the actual data until our current transfer is complete. */
|
---|
891 | if (m_fIsPending)
|
---|
892 | return setError(E_FAIL, tr("Current drop operation to guest still in progress"));
|
---|
893 |
|
---|
894 | /* Clear all remaining outgoing messages. */
|
---|
895 | m_DataBase.lstMsgOut.clear();
|
---|
896 |
|
---|
897 | /**
|
---|
898 | * Do we need to build up a file tree?
|
---|
899 | * Note: The decision whether we need to build up a file tree and sending
|
---|
900 | * actual file data only depends on the actual formats offered by this target.
|
---|
901 | * If the guest does not want a transfer list ("text/uri-list") but text ("TEXT" and
|
---|
902 | * friends) instead, still send the data over to the guest -- the file as such still
|
---|
903 | * is needed on the guest in this case, as the guest then just wants a simple path
|
---|
904 | * instead of a transfer list (pointing to a file on the guest itself).
|
---|
905 | *
|
---|
906 | ** @todo Support more than one format; add a format<->function handler concept. Later. */
|
---|
907 | int vrc;
|
---|
908 | const bool fHasURIList = std::find(m_lstFmtOffered.begin(),
|
---|
909 | m_lstFmtOffered.end(), "text/uri-list") != m_lstFmtOffered.end();
|
---|
910 | if (fHasURIList)
|
---|
911 | {
|
---|
912 | vrc = i_sendTransferData(pCtx, msTimeout);
|
---|
913 | }
|
---|
914 | else
|
---|
915 | {
|
---|
916 | vrc = i_sendRawData(pCtx, msTimeout);
|
---|
917 | }
|
---|
918 |
|
---|
919 | GuestDnDState *pState = GuestDnDInst()->getState();
|
---|
920 | AssertPtrReturn(pState, E_POINTER);
|
---|
921 |
|
---|
922 | if (RT_SUCCESS(vrc))
|
---|
923 | {
|
---|
924 | pState->set(VBOXDNDSTATE_DROP_ENDED);
|
---|
925 | }
|
---|
926 | else
|
---|
927 | {
|
---|
928 | if (vrc == VERR_CANCELLED)
|
---|
929 | {
|
---|
930 | LogRel(("DnD: Sending data to guest cancelled by the user\n"));
|
---|
931 | pState->set(VBOXDNDSTATE_CANCELLED);
|
---|
932 | }
|
---|
933 | else
|
---|
934 | {
|
---|
935 | LogRel(("DnD: Sending data to guest failed with %Rrc\n", vrc));
|
---|
936 | pState->set(VBOXDNDSTATE_ERROR);
|
---|
937 | }
|
---|
938 |
|
---|
939 | /* Make sure to fire a cancel request to the guest side in any case to prevent any guest side hangs. */
|
---|
940 | sendCancel();
|
---|
941 | }
|
---|
942 |
|
---|
943 | /* Reset state. */
|
---|
944 | i_reset();
|
---|
945 |
|
---|
946 | LogFlowFuncLeaveRC(vrc);
|
---|
947 | return vrc;
|
---|
948 | }
|
---|
949 |
|
---|
950 | /**
|
---|
951 | * Sends the common meta data body to the guest.
|
---|
952 | *
|
---|
953 | * @returns VBox status code.
|
---|
954 | * @param pCtx Send context to use.
|
---|
955 | */
|
---|
956 | int GuestDnDTarget::i_sendMetaDataBody(GuestDnDSendCtx *pCtx)
|
---|
957 | {
|
---|
958 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
959 |
|
---|
960 | uint8_t *pvData = (uint8_t *)pCtx->Meta.pvData;
|
---|
961 | size_t cbData = pCtx->Meta.cbData;
|
---|
962 |
|
---|
963 | int vrc = VINF_SUCCESS;
|
---|
964 |
|
---|
965 | const size_t cbFmt = pCtx->Meta.strFmt.length() + 1; /* Include terminator. */
|
---|
966 | const char *pcszFmt = pCtx->Meta.strFmt.c_str();
|
---|
967 |
|
---|
968 | LogFlowFunc(("uProtoVer=%RU32, szFmt=%s, cbFmt=%RU32, cbData=%zu\n", m_pState->m_uProtocolVersion, pcszFmt, cbFmt, cbData));
|
---|
969 |
|
---|
970 | LogRel2(("DnD: Sending meta data to guest as '%s' (%zu bytes)\n", pcszFmt, cbData));
|
---|
971 |
|
---|
972 | #ifdef DEBUG
|
---|
973 | RTCList<RTCString> lstFilesURI = RTCString((char *)pvData, cbData).split(DND_PATH_SEPARATOR_STR);
|
---|
974 | LogFlowFunc(("lstFilesURI=%zu\n", lstFilesURI.size()));
|
---|
975 | for (size_t i = 0; i < lstFilesURI.size(); i++)
|
---|
976 | LogFlowFunc(("\t%s\n", lstFilesURI.at(i).c_str()));
|
---|
977 | #endif
|
---|
978 |
|
---|
979 | uint8_t *pvChunk = pvData;
|
---|
980 | size_t cbChunk = RT_MIN(mData.mcbBlockSize, cbData);
|
---|
981 | while (cbData)
|
---|
982 | {
|
---|
983 | GuestDnDMsg Msg;
|
---|
984 | Msg.setType(HOST_DND_FN_HG_SND_DATA);
|
---|
985 |
|
---|
986 | if (m_pState->m_uProtocolVersion < 3)
|
---|
987 | {
|
---|
988 | Msg.appendUInt32(pCtx->uScreenID); /* uScreenId */
|
---|
989 | Msg.appendPointer(unconst(pcszFmt), (uint32_t)cbFmt); /* pvFormat */
|
---|
990 | Msg.appendUInt32((uint32_t)cbFmt); /* cbFormat */
|
---|
991 | Msg.appendPointer(pvChunk, (uint32_t)cbChunk); /* pvData */
|
---|
992 | /* Fill in the current data block size to send.
|
---|
993 | * Note: Only supports uint32_t. */
|
---|
994 | Msg.appendUInt32((uint32_t)cbChunk); /* cbData */
|
---|
995 | }
|
---|
996 | else
|
---|
997 | {
|
---|
998 | Msg.appendUInt32(0); /** @todo ContextID not used yet. */
|
---|
999 | Msg.appendPointer(pvChunk, (uint32_t)cbChunk); /* pvData */
|
---|
1000 | Msg.appendUInt32((uint32_t)cbChunk); /* cbData */
|
---|
1001 | Msg.appendPointer(NULL, 0); /** @todo pvChecksum; not used yet. */
|
---|
1002 | Msg.appendUInt32(0); /** @todo cbChecksum; not used yet. */
|
---|
1003 | }
|
---|
1004 |
|
---|
1005 | vrc = GuestDnDInst()->hostCall(Msg.getType(), Msg.getCount(), Msg.getParms());
|
---|
1006 | if (RT_FAILURE(vrc))
|
---|
1007 | break;
|
---|
1008 |
|
---|
1009 | pvChunk += cbChunk;
|
---|
1010 | AssertBreakStmt(cbData >= cbChunk, vrc = VERR_BUFFER_UNDERFLOW);
|
---|
1011 | cbData -= cbChunk;
|
---|
1012 | }
|
---|
1013 |
|
---|
1014 | if (RT_SUCCESS(vrc))
|
---|
1015 | {
|
---|
1016 | vrc = updateProgress(pCtx, pCtx->pState, (uint32_t)pCtx->Meta.cbData);
|
---|
1017 | AssertRC(vrc);
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | LogFlowFuncLeaveRC(vrc);
|
---|
1021 | return vrc;
|
---|
1022 | }
|
---|
1023 |
|
---|
1024 | /**
|
---|
1025 | * Sends the common meta data header to the guest.
|
---|
1026 | *
|
---|
1027 | * @returns VBox status code.
|
---|
1028 | * @param pCtx Send context to use.
|
---|
1029 | */
|
---|
1030 | int GuestDnDTarget::i_sendMetaDataHeader(GuestDnDSendCtx *pCtx)
|
---|
1031 | {
|
---|
1032 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1033 |
|
---|
1034 | if (m_pState->m_uProtocolVersion < 3) /* Protocol < v3 did not support this, skip. */
|
---|
1035 | return VINF_SUCCESS;
|
---|
1036 |
|
---|
1037 | GuestDnDMsg Msg;
|
---|
1038 | Msg.setType(HOST_DND_FN_HG_SND_DATA_HDR);
|
---|
1039 |
|
---|
1040 | LogRel2(("DnD: Sending meta data header to guest (%RU64 bytes total data, %RU32 bytes meta data, %RU64 objects)\n",
|
---|
1041 | pCtx->getTotalAnnounced(), pCtx->Meta.cbData, pCtx->Transfer.cObjToProcess));
|
---|
1042 |
|
---|
1043 | Msg.appendUInt32(0); /** @todo uContext; not used yet. */
|
---|
1044 | Msg.appendUInt32(0); /** @todo uFlags; not used yet. */
|
---|
1045 | Msg.appendUInt32(pCtx->uScreenID); /* uScreen */
|
---|
1046 | Msg.appendUInt64(pCtx->getTotalAnnounced()); /* cbTotal */
|
---|
1047 | Msg.appendUInt32((uint32_t)pCtx->Meta.cbData); /* cbMeta*/
|
---|
1048 | Msg.appendPointer(unconst(pCtx->Meta.strFmt.c_str()), (uint32_t)pCtx->Meta.strFmt.length() + 1); /* pvMetaFmt */
|
---|
1049 | Msg.appendUInt32((uint32_t)pCtx->Meta.strFmt.length() + 1); /* cbMetaFmt */
|
---|
1050 | Msg.appendUInt64(pCtx->Transfer.cObjToProcess); /* cObjects */
|
---|
1051 | Msg.appendUInt32(0); /** @todo enmCompression; not used yet. */
|
---|
1052 | Msg.appendUInt32(0); /** @todo enmChecksumType; not used yet. */
|
---|
1053 | Msg.appendPointer(NULL, 0); /** @todo pvChecksum; not used yet. */
|
---|
1054 | Msg.appendUInt32(0); /** @todo cbChecksum; not used yet. */
|
---|
1055 |
|
---|
1056 | int vrc = GuestDnDInst()->hostCall(Msg.getType(), Msg.getCount(), Msg.getParms());
|
---|
1057 |
|
---|
1058 | LogFlowFuncLeaveRC(vrc);
|
---|
1059 | return vrc;
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | /**
|
---|
1063 | * Sends a directory entry to the guest.
|
---|
1064 | *
|
---|
1065 | * @returns VBox status code.
|
---|
1066 | * @param pCtx Send context to use.
|
---|
1067 | * @param pObj Transfer object to send. Must be a directory.
|
---|
1068 | * @param pMsg Where to store the message to send.
|
---|
1069 | */
|
---|
1070 | int GuestDnDTarget::i_sendDirectory(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg)
|
---|
1071 | {
|
---|
1072 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1073 | AssertPtrReturn(pMsg, VERR_INVALID_POINTER);
|
---|
1074 |
|
---|
1075 | const char *pcszDstPath = DnDTransferObjectGetDestPath(pObj);
|
---|
1076 | AssertPtrReturn(pcszDstPath, VERR_INVALID_POINTER);
|
---|
1077 | const size_t cchPath = RTStrNLen(pcszDstPath, RTPATH_MAX); /* Note: Maximum is RTPATH_MAX on guest side. */
|
---|
1078 | AssertReturn(cchPath, VERR_INVALID_PARAMETER);
|
---|
1079 |
|
---|
1080 | LogRel2(("DnD: Transferring host directory '%s' to guest\n", DnDTransferObjectGetSourcePath(pObj)));
|
---|
1081 |
|
---|
1082 | pMsg->setType(HOST_DND_FN_HG_SND_DIR);
|
---|
1083 | if (m_pState->m_uProtocolVersion >= 3)
|
---|
1084 | pMsg->appendUInt32(0); /** @todo ContextID not used yet. */
|
---|
1085 | pMsg->appendString(pcszDstPath); /* path */
|
---|
1086 | pMsg->appendUInt32((uint32_t)(cchPath + 1)); /* path length, including terminator. */
|
---|
1087 | pMsg->appendUInt32(DnDTransferObjectGetMode(pObj)); /* mode */
|
---|
1088 |
|
---|
1089 | return VINF_SUCCESS;
|
---|
1090 | }
|
---|
1091 |
|
---|
1092 | /**
|
---|
1093 | * Sends a file to the guest.
|
---|
1094 | *
|
---|
1095 | * @returns VBox status code.
|
---|
1096 | * @param pCtx Send context to use.
|
---|
1097 | * @param pObj Transfer object to send. Must be a file.
|
---|
1098 | * @param pMsg Where to store the message to send.
|
---|
1099 | */
|
---|
1100 | int GuestDnDTarget::i_sendFile(GuestDnDSendCtx *pCtx,
|
---|
1101 | PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg)
|
---|
1102 | {
|
---|
1103 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1104 | AssertPtrReturn(pObj, VERR_INVALID_POINTER);
|
---|
1105 | AssertPtrReturn(pMsg, VERR_INVALID_POINTER);
|
---|
1106 |
|
---|
1107 | const char *pcszSrcPath = DnDTransferObjectGetSourcePath(pObj);
|
---|
1108 | AssertPtrReturn(pcszSrcPath, VERR_INVALID_POINTER);
|
---|
1109 | const char *pcszDstPath = DnDTransferObjectGetDestPath(pObj);
|
---|
1110 | AssertPtrReturn(pcszDstPath, VERR_INVALID_POINTER);
|
---|
1111 |
|
---|
1112 | int vrc = VINF_SUCCESS;
|
---|
1113 |
|
---|
1114 | if (!DnDTransferObjectIsOpen(pObj))
|
---|
1115 | {
|
---|
1116 | LogRel2(("DnD: Opening host file '%s' for transferring to guest\n", pcszSrcPath));
|
---|
1117 |
|
---|
1118 | vrc = DnDTransferObjectOpen(pObj, RTFILE_O_OPEN | RTFILE_O_READ | RTFILE_O_DENY_WRITE, 0 /* fMode */,
|
---|
1119 | DNDTRANSFEROBJECT_FLAGS_NONE);
|
---|
1120 | if (RT_FAILURE(vrc))
|
---|
1121 | LogRel(("DnD: Opening host file '%s' failed, vrc=%Rrc\n", pcszSrcPath, vrc));
|
---|
1122 | }
|
---|
1123 |
|
---|
1124 | if (RT_FAILURE(vrc))
|
---|
1125 | return vrc;
|
---|
1126 |
|
---|
1127 | bool fSendData = false;
|
---|
1128 | if (RT_SUCCESS(vrc)) /** @todo r=aeichner Could save an identation level here as there is a error check above already... */
|
---|
1129 | {
|
---|
1130 | if (m_pState->m_uProtocolVersion >= 2)
|
---|
1131 | {
|
---|
1132 | if (!(pCtx->Transfer.fObjState & DND_OBJ_STATE_HAS_HDR))
|
---|
1133 | {
|
---|
1134 | const size_t cchDstPath = RTStrNLen(pcszDstPath, RTPATH_MAX);
|
---|
1135 | const size_t cbSize = DnDTransferObjectGetSize(pObj);
|
---|
1136 | const RTFMODE fMode = DnDTransferObjectGetMode(pObj);
|
---|
1137 |
|
---|
1138 | /*
|
---|
1139 | * Since protocol v2 the file header and the actual file contents are
|
---|
1140 | * separate messages, so send the file header first.
|
---|
1141 | * The just registered callback will be called by the guest afterwards.
|
---|
1142 | */
|
---|
1143 | pMsg->setType(HOST_DND_FN_HG_SND_FILE_HDR);
|
---|
1144 | pMsg->appendUInt32(0); /** @todo ContextID not used yet. */
|
---|
1145 | pMsg->appendString(pcszDstPath); /* pvName */
|
---|
1146 | pMsg->appendUInt32((uint32_t)(cchDstPath + 1)); /* cbName */
|
---|
1147 | pMsg->appendUInt32(0); /* uFlags */
|
---|
1148 | pMsg->appendUInt32(fMode); /* fMode */
|
---|
1149 | pMsg->appendUInt64(cbSize); /* uSize */
|
---|
1150 |
|
---|
1151 | LogRel2(("DnD: Transferring host file '%s' to guest (as '%s', %zu bytes, mode %#x)\n",
|
---|
1152 | pcszSrcPath, pcszDstPath, cbSize, fMode));
|
---|
1153 |
|
---|
1154 | /** @todo Set progress object title to current file being transferred? */
|
---|
1155 |
|
---|
1156 | /* Update object state to reflect that we have sent the file header. */
|
---|
1157 | pCtx->Transfer.fObjState |= DND_OBJ_STATE_HAS_HDR;
|
---|
1158 | }
|
---|
1159 | else
|
---|
1160 | {
|
---|
1161 | /* File header was sent, so only send the actual file data. */
|
---|
1162 | fSendData = true;
|
---|
1163 | }
|
---|
1164 | }
|
---|
1165 | else /* Protocol v1. */
|
---|
1166 | {
|
---|
1167 | /* Always send the file data, every time. */
|
---|
1168 | fSendData = true;
|
---|
1169 | }
|
---|
1170 | }
|
---|
1171 |
|
---|
1172 | if ( RT_SUCCESS(vrc)
|
---|
1173 | && fSendData)
|
---|
1174 | {
|
---|
1175 | vrc = i_sendFileData(pCtx, pObj, pMsg);
|
---|
1176 | }
|
---|
1177 |
|
---|
1178 | if (RT_FAILURE(vrc))
|
---|
1179 | LogRel(("DnD: Sending host file '%s' to guest failed, vrc=%Rrc\n", pcszSrcPath, vrc));
|
---|
1180 |
|
---|
1181 | LogFlowFuncLeaveRC(vrc);
|
---|
1182 | return vrc;
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | /**
|
---|
1186 | * Helper function to send actual file data to the guest.
|
---|
1187 | *
|
---|
1188 | * @returns VBox status code.
|
---|
1189 | * @param pCtx Send context to use.
|
---|
1190 | * @param pObj Transfer object to send. Must be a file.
|
---|
1191 | * @param pMsg Where to store the message to send.
|
---|
1192 | */
|
---|
1193 | int GuestDnDTarget::i_sendFileData(GuestDnDSendCtx *pCtx,
|
---|
1194 | PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg)
|
---|
1195 | {
|
---|
1196 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1197 | AssertPtrReturn(pObj, VERR_INVALID_POINTER);
|
---|
1198 | AssertPtrReturn(pMsg, VERR_INVALID_POINTER);
|
---|
1199 |
|
---|
1200 | AssertPtrReturn(pCtx->pState, VERR_WRONG_ORDER);
|
---|
1201 |
|
---|
1202 | /** @todo Don't allow concurrent reads per context! */
|
---|
1203 |
|
---|
1204 | /* Set the message type. */
|
---|
1205 | pMsg->setType(HOST_DND_FN_HG_SND_FILE_DATA);
|
---|
1206 |
|
---|
1207 | const char *pcszSrcPath = DnDTransferObjectGetSourcePath(pObj);
|
---|
1208 | const char *pcszDstPath = DnDTransferObjectGetDestPath(pObj);
|
---|
1209 |
|
---|
1210 | /* Protocol version 1 sends the file path *every* time with a new file chunk.
|
---|
1211 | * In protocol version 2 we only do this once with HOST_DND_FN_HG_SND_FILE_HDR. */
|
---|
1212 | if (m_pState->m_uProtocolVersion <= 1)
|
---|
1213 | {
|
---|
1214 | const size_t cchDstPath = RTStrNLen(pcszDstPath, RTPATH_MAX);
|
---|
1215 |
|
---|
1216 | pMsg->appendString(pcszDstPath); /* pvName */
|
---|
1217 | pMsg->appendUInt32((uint32_t)cchDstPath + 1); /* cbName */
|
---|
1218 | }
|
---|
1219 | else if (m_pState->m_uProtocolVersion >= 2)
|
---|
1220 | {
|
---|
1221 | pMsg->appendUInt32(0); /** @todo ContextID not used yet. */
|
---|
1222 | }
|
---|
1223 |
|
---|
1224 | void *pvBuf = pCtx->Transfer.pvScratchBuf;
|
---|
1225 | AssertPtr(pvBuf);
|
---|
1226 | size_t cbBuf = pCtx->Transfer.cbScratchBuf;
|
---|
1227 | Assert(cbBuf);
|
---|
1228 |
|
---|
1229 | uint32_t cbRead;
|
---|
1230 |
|
---|
1231 | int vrc = DnDTransferObjectRead(pObj, pvBuf, cbBuf, &cbRead);
|
---|
1232 | if (RT_SUCCESS(vrc))
|
---|
1233 | {
|
---|
1234 | LogFlowFunc(("cbBufe=%zu, cbRead=%RU32\n", cbBuf, cbRead));
|
---|
1235 |
|
---|
1236 | if (m_pState->m_uProtocolVersion <= 1)
|
---|
1237 | {
|
---|
1238 | pMsg->appendPointer(pvBuf, cbRead); /* pvData */
|
---|
1239 | pMsg->appendUInt32(cbRead); /* cbData */
|
---|
1240 | pMsg->appendUInt32(DnDTransferObjectGetMode(pObj)); /* fMode */
|
---|
1241 | }
|
---|
1242 | else /* Protocol v2 and up. */
|
---|
1243 | {
|
---|
1244 | pMsg->appendPointer(pvBuf, cbRead); /* pvData */
|
---|
1245 | pMsg->appendUInt32(cbRead); /* cbData */
|
---|
1246 |
|
---|
1247 | if (m_pState->m_uProtocolVersion >= 3)
|
---|
1248 | {
|
---|
1249 | /** @todo Calculate checksum. */
|
---|
1250 | pMsg->appendPointer(NULL, 0); /* pvChecksum */
|
---|
1251 | pMsg->appendUInt32(0); /* cbChecksum */
|
---|
1252 | }
|
---|
1253 | }
|
---|
1254 |
|
---|
1255 | int vrc2 = updateProgress(pCtx, pCtx->pState, (uint32_t)cbRead);
|
---|
1256 | AssertRC(vrc2);
|
---|
1257 |
|
---|
1258 | /* DnDTransferObjectRead() will return VINF_EOF if reading is complete. */
|
---|
1259 | if (vrc == VINF_EOF)
|
---|
1260 | vrc = VINF_SUCCESS;
|
---|
1261 |
|
---|
1262 | if (DnDTransferObjectIsComplete(pObj)) /* Done reading? */
|
---|
1263 | LogRel2(("DnD: Transferring host file '%s' to guest complete\n", pcszSrcPath));
|
---|
1264 | }
|
---|
1265 | else
|
---|
1266 | LogRel(("DnD: Reading from host file '%s' failed, vrc=%Rrc\n", pcszSrcPath, vrc));
|
---|
1267 |
|
---|
1268 | LogFlowFuncLeaveRC(vrc);
|
---|
1269 | return vrc;
|
---|
1270 | }
|
---|
1271 |
|
---|
1272 | /**
|
---|
1273 | * Static HGCM service callback which handles sending transfer data to the guest.
|
---|
1274 | *
|
---|
1275 | * @returns VBox status code. Will get sent back to the host service.
|
---|
1276 | * @param uMsg HGCM message ID (function number).
|
---|
1277 | * @param pvParms Pointer to additional message data. Optional and can be NULL.
|
---|
1278 | * @param cbParms Size (in bytes) additional message data. Optional and can be 0.
|
---|
1279 | * @param pvUser User-supplied pointer on callback registration.
|
---|
1280 | */
|
---|
1281 | /* static */
|
---|
1282 | DECLCALLBACK(int) GuestDnDTarget::i_sendTransferDataCallback(uint32_t uMsg, void *pvParms, size_t cbParms, void *pvUser)
|
---|
1283 | {
|
---|
1284 | GuestDnDSendCtx *pCtx = (GuestDnDSendCtx *)pvUser;
|
---|
1285 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1286 |
|
---|
1287 | GuestDnDTarget *pThis = pCtx->pTarget;
|
---|
1288 | AssertPtrReturn(pThis, VERR_INVALID_POINTER);
|
---|
1289 |
|
---|
1290 | /* At the moment we only have one transfer list per transfer. */
|
---|
1291 | PDNDTRANSFERLIST pList = &pCtx->Transfer.List;
|
---|
1292 |
|
---|
1293 | LogFlowFunc(("pThis=%p, pList=%p, uMsg=%RU32\n", pThis, pList, uMsg));
|
---|
1294 |
|
---|
1295 | int vrc = VINF_SUCCESS;
|
---|
1296 | int vrcGuest = VINF_SUCCESS; /* Contains error code from guest in case of VERR_DND_GUEST_ERROR. */
|
---|
1297 | bool fNotify = false;
|
---|
1298 |
|
---|
1299 | switch (uMsg)
|
---|
1300 | {
|
---|
1301 | case GUEST_DND_FN_CONNECT:
|
---|
1302 | /* Nothing to do here (yet). */
|
---|
1303 | break;
|
---|
1304 |
|
---|
1305 | case GUEST_DND_FN_DISCONNECT:
|
---|
1306 | vrc = VERR_CANCELLED;
|
---|
1307 | break;
|
---|
1308 |
|
---|
1309 | case GUEST_DND_FN_GET_NEXT_HOST_MSG:
|
---|
1310 | {
|
---|
1311 | PVBOXDNDCBHGGETNEXTHOSTMSG pCBData = reinterpret_cast<PVBOXDNDCBHGGETNEXTHOSTMSG>(pvParms);
|
---|
1312 | AssertPtr(pCBData);
|
---|
1313 | AssertReturn(sizeof(VBOXDNDCBHGGETNEXTHOSTMSG) == cbParms, VERR_INVALID_PARAMETER);
|
---|
1314 | AssertReturn(CB_MAGIC_DND_HG_GET_NEXT_HOST_MSG == pCBData->hdr.uMagic, VERR_INVALID_PARAMETER);
|
---|
1315 |
|
---|
1316 | try
|
---|
1317 | {
|
---|
1318 | GuestDnDMsg *pMsg = new GuestDnDMsg();
|
---|
1319 |
|
---|
1320 | vrc = pThis->i_sendTransferListObject(pCtx, pList, pMsg);
|
---|
1321 | if (vrc == VINF_EOF) /* Transfer complete? */
|
---|
1322 | {
|
---|
1323 | LogFlowFunc(("Last transfer item processed, bailing out\n"));
|
---|
1324 | }
|
---|
1325 | else if (RT_SUCCESS(vrc))
|
---|
1326 | {
|
---|
1327 | vrc = pThis->msgQueueAdd(pMsg);
|
---|
1328 | if (RT_SUCCESS(vrc)) /* Return message type & required parameter count to the guest. */
|
---|
1329 | {
|
---|
1330 | LogFlowFunc(("GUEST_DND_FN_GET_NEXT_HOST_MSG -> %RU32 (%RU32 params)\n", pMsg->getType(), pMsg->getCount()));
|
---|
1331 | pCBData->uMsg = pMsg->getType();
|
---|
1332 | pCBData->cParms = pMsg->getCount();
|
---|
1333 | }
|
---|
1334 | }
|
---|
1335 |
|
---|
1336 | if ( RT_FAILURE(vrc)
|
---|
1337 | || vrc == VINF_EOF) /* Transfer complete? */
|
---|
1338 | {
|
---|
1339 | delete pMsg;
|
---|
1340 | pMsg = NULL;
|
---|
1341 | }
|
---|
1342 | }
|
---|
1343 | catch(std::bad_alloc & /*e*/)
|
---|
1344 | {
|
---|
1345 | vrc = VERR_NO_MEMORY;
|
---|
1346 | }
|
---|
1347 | break;
|
---|
1348 | }
|
---|
1349 | case GUEST_DND_FN_EVT_ERROR:
|
---|
1350 | {
|
---|
1351 | PVBOXDNDCBEVTERRORDATA pCBData = reinterpret_cast<PVBOXDNDCBEVTERRORDATA>(pvParms);
|
---|
1352 | AssertPtr(pCBData);
|
---|
1353 | AssertReturn(sizeof(VBOXDNDCBEVTERRORDATA) == cbParms, VERR_INVALID_PARAMETER);
|
---|
1354 | AssertReturn(CB_MAGIC_DND_EVT_ERROR == pCBData->hdr.uMagic, VERR_INVALID_PARAMETER);
|
---|
1355 |
|
---|
1356 | pCtx->pState->reset();
|
---|
1357 |
|
---|
1358 | if (RT_SUCCESS(pCBData->rc))
|
---|
1359 | {
|
---|
1360 | AssertMsgFailed(("Guest has sent an error event but did not specify an actual error code\n"));
|
---|
1361 | pCBData->rc = VERR_GENERAL_FAILURE; /* Make sure some error is set. */
|
---|
1362 | }
|
---|
1363 |
|
---|
1364 | vrc = pCtx->pState->setProgress(100, DND_PROGRESS_ERROR, pCBData->rc,
|
---|
1365 | GuestDnDTarget::i_guestErrorToString(pCBData->rc));
|
---|
1366 | if (RT_SUCCESS(vrc))
|
---|
1367 | {
|
---|
1368 | vrc = VERR_DND_GUEST_ERROR;
|
---|
1369 | vrcGuest = pCBData->rc;
|
---|
1370 | }
|
---|
1371 | break;
|
---|
1372 | }
|
---|
1373 | case HOST_DND_FN_HG_SND_DIR:
|
---|
1374 | case HOST_DND_FN_HG_SND_FILE_HDR:
|
---|
1375 | case HOST_DND_FN_HG_SND_FILE_DATA:
|
---|
1376 | {
|
---|
1377 | PVBOXDNDCBHGGETNEXTHOSTMSGDATA pCBData
|
---|
1378 | = reinterpret_cast<PVBOXDNDCBHGGETNEXTHOSTMSGDATA>(pvParms);
|
---|
1379 | AssertPtr(pCBData);
|
---|
1380 | AssertReturn(sizeof(VBOXDNDCBHGGETNEXTHOSTMSGDATA) == cbParms, VERR_INVALID_PARAMETER);
|
---|
1381 |
|
---|
1382 | LogFlowFunc(("pCBData->uMsg=%RU32, paParms=%p, cParms=%RU32\n", pCBData->uMsg, pCBData->paParms, pCBData->cParms));
|
---|
1383 |
|
---|
1384 | GuestDnDMsg *pMsg = pThis->msgQueueGetNext();
|
---|
1385 | if (pMsg)
|
---|
1386 | {
|
---|
1387 | /*
|
---|
1388 | * Sanity checks.
|
---|
1389 | */
|
---|
1390 | if ( pCBData->uMsg != uMsg
|
---|
1391 | || pCBData->paParms == NULL
|
---|
1392 | || pCBData->cParms != pMsg->getCount())
|
---|
1393 | {
|
---|
1394 | LogFlowFunc(("Current message does not match:\n"));
|
---|
1395 | LogFlowFunc(("\tCallback: uMsg=%RU32, cParms=%RU32, paParms=%p\n",
|
---|
1396 | pCBData->uMsg, pCBData->cParms, pCBData->paParms));
|
---|
1397 | LogFlowFunc(("\t Next: uMsg=%RU32, cParms=%RU32\n", pMsg->getType(), pMsg->getCount()));
|
---|
1398 |
|
---|
1399 | /* Start over. */
|
---|
1400 | pThis->msgQueueClear();
|
---|
1401 |
|
---|
1402 | vrc = VERR_INVALID_PARAMETER;
|
---|
1403 | }
|
---|
1404 |
|
---|
1405 | if (RT_SUCCESS(vrc))
|
---|
1406 | {
|
---|
1407 | LogFlowFunc(("Returning uMsg=%RU32\n", uMsg));
|
---|
1408 | vrc = HGCM::Message::CopyParms(pCBData->paParms, pCBData->cParms, pMsg->getParms(), pMsg->getCount(),
|
---|
1409 | false /* fDeepCopy */);
|
---|
1410 | if (RT_SUCCESS(vrc))
|
---|
1411 | {
|
---|
1412 | pCBData->cParms = pMsg->getCount();
|
---|
1413 | pThis->msgQueueRemoveNext();
|
---|
1414 | }
|
---|
1415 | else
|
---|
1416 | LogFlowFunc(("Copying parameters failed with vrc=%Rrc\n", vrc));
|
---|
1417 | }
|
---|
1418 | }
|
---|
1419 | else
|
---|
1420 | vrc = VERR_NO_DATA;
|
---|
1421 |
|
---|
1422 | LogFlowFunc(("Processing next message ended with vrc=%Rrc\n", vrc));
|
---|
1423 | break;
|
---|
1424 | }
|
---|
1425 | default:
|
---|
1426 | vrc = VERR_NOT_SUPPORTED;
|
---|
1427 | break;
|
---|
1428 | }
|
---|
1429 |
|
---|
1430 | int vrcToGuest = VINF_SUCCESS; /* Status which will be sent back to the guest. */
|
---|
1431 |
|
---|
1432 | /*
|
---|
1433 | * Resolve errors.
|
---|
1434 | */
|
---|
1435 | switch (vrc)
|
---|
1436 | {
|
---|
1437 | case VINF_SUCCESS:
|
---|
1438 | break;
|
---|
1439 |
|
---|
1440 | case VINF_EOF:
|
---|
1441 | {
|
---|
1442 | LogRel2(("DnD: Transfer to guest complete\n"));
|
---|
1443 |
|
---|
1444 | /* Complete operation on host side. */
|
---|
1445 | fNotify = true;
|
---|
1446 |
|
---|
1447 | /* The guest expects VERR_NO_DATA if the transfer is complete. */
|
---|
1448 | vrcToGuest = VERR_NO_DATA;
|
---|
1449 | break;
|
---|
1450 | }
|
---|
1451 |
|
---|
1452 | case VERR_DND_GUEST_ERROR:
|
---|
1453 | {
|
---|
1454 | LogRel(("DnD: Guest reported error %Rrc, aborting transfer to guest\n", vrcGuest));
|
---|
1455 | break;
|
---|
1456 | }
|
---|
1457 |
|
---|
1458 | case VERR_CANCELLED:
|
---|
1459 | {
|
---|
1460 | LogRel2(("DnD: Transfer to guest canceled\n"));
|
---|
1461 | vrcToGuest = VERR_CANCELLED; /* Also cancel on guest side. */
|
---|
1462 | break;
|
---|
1463 | }
|
---|
1464 |
|
---|
1465 | default:
|
---|
1466 | {
|
---|
1467 | LogRel(("DnD: Host error %Rrc occurred, aborting transfer to guest\n", vrc));
|
---|
1468 | vrcToGuest = VERR_CANCELLED; /* Also cancel on guest side. */
|
---|
1469 | break;
|
---|
1470 | }
|
---|
1471 | }
|
---|
1472 |
|
---|
1473 | if (RT_FAILURE(vrc))
|
---|
1474 | {
|
---|
1475 | /* Unregister this callback. */
|
---|
1476 | AssertPtr(pCtx->pState);
|
---|
1477 | int vrc2 = pCtx->pState->setCallback(uMsg, NULL /* PFNGUESTDNDCALLBACK */);
|
---|
1478 | AssertRC(vrc2);
|
---|
1479 |
|
---|
1480 | /* Let the waiter(s) know. */
|
---|
1481 | fNotify = true;
|
---|
1482 | }
|
---|
1483 |
|
---|
1484 | LogFlowFunc(("fNotify=%RTbool, vrc=%Rrc, vrcToGuest=%Rrc\n", fNotify, vrc, vrcToGuest));
|
---|
1485 |
|
---|
1486 | if (fNotify)
|
---|
1487 | {
|
---|
1488 | int vrc2 = pCtx->EventCallback.Notify(vrc); /** @todo Also pass guest error back? */
|
---|
1489 | AssertRC(vrc2);
|
---|
1490 | }
|
---|
1491 |
|
---|
1492 | LogFlowFuncLeaveRC(vrc);
|
---|
1493 | return vrcToGuest; /* Tell the guest. */
|
---|
1494 | }
|
---|
1495 |
|
---|
1496 | /**
|
---|
1497 | * Main function for sending the actual transfer data (i.e. files + directories) to the guest.
|
---|
1498 | *
|
---|
1499 | * @returns VBox status code.
|
---|
1500 | * @param pCtx Send context to use.
|
---|
1501 | * @param msTimeout Timeout (in ms) to use for getting the data sent.
|
---|
1502 | */
|
---|
1503 | int GuestDnDTarget::i_sendTransferData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout)
|
---|
1504 | {
|
---|
1505 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1506 | AssertPtr(pCtx->pState);
|
---|
1507 |
|
---|
1508 | #define REGISTER_CALLBACK(x) \
|
---|
1509 | do { \
|
---|
1510 | vrc = pCtx->pState->setCallback(x, i_sendTransferDataCallback, pCtx); \
|
---|
1511 | if (RT_FAILURE(vrc)) \
|
---|
1512 | return vrc; \
|
---|
1513 | } while (0)
|
---|
1514 |
|
---|
1515 | #define UNREGISTER_CALLBACK(x) \
|
---|
1516 | do { \
|
---|
1517 | int vrc2 = pCtx->pState->setCallback(x, NULL); \
|
---|
1518 | AssertRC(vrc2); \
|
---|
1519 | } while (0)
|
---|
1520 |
|
---|
1521 | int vrc = pCtx->Transfer.init(mData.mcbBlockSize);
|
---|
1522 | if (RT_FAILURE(vrc))
|
---|
1523 | return vrc;
|
---|
1524 |
|
---|
1525 | vrc = pCtx->EventCallback.Reset();
|
---|
1526 | if (RT_FAILURE(vrc))
|
---|
1527 | return vrc;
|
---|
1528 |
|
---|
1529 | /*
|
---|
1530 | * Register callbacks.
|
---|
1531 | */
|
---|
1532 | /* Guest callbacks. */
|
---|
1533 | REGISTER_CALLBACK(GUEST_DND_FN_CONNECT);
|
---|
1534 | REGISTER_CALLBACK(GUEST_DND_FN_DISCONNECT);
|
---|
1535 | REGISTER_CALLBACK(GUEST_DND_FN_GET_NEXT_HOST_MSG);
|
---|
1536 | REGISTER_CALLBACK(GUEST_DND_FN_EVT_ERROR);
|
---|
1537 | /* Host callbacks. */
|
---|
1538 | REGISTER_CALLBACK(HOST_DND_FN_HG_SND_DIR);
|
---|
1539 | if (m_pState->m_uProtocolVersion >= 2)
|
---|
1540 | REGISTER_CALLBACK(HOST_DND_FN_HG_SND_FILE_HDR);
|
---|
1541 | REGISTER_CALLBACK(HOST_DND_FN_HG_SND_FILE_DATA);
|
---|
1542 |
|
---|
1543 | do
|
---|
1544 | {
|
---|
1545 | /*
|
---|
1546 | * Extract transfer list from current meta data.
|
---|
1547 | */
|
---|
1548 | vrc = DnDTransferListAppendPathsFromBuffer(&pCtx->Transfer.List, DNDTRANSFERLISTFMT_URI,
|
---|
1549 | (const char *)pCtx->Meta.pvData, pCtx->Meta.cbData, DND_PATH_SEPARATOR_STR,
|
---|
1550 | DNDTRANSFERLIST_FLAGS_RECURSIVE);
|
---|
1551 | if (RT_FAILURE(vrc))
|
---|
1552 | break;
|
---|
1553 |
|
---|
1554 | /*
|
---|
1555 | * Update internal state to reflect everything we need to work with it.
|
---|
1556 | */
|
---|
1557 | pCtx->cbExtra = DnDTransferListObjTotalBytes(&pCtx->Transfer.List);
|
---|
1558 | /* cbExtra can be 0, if all files are of 0 bytes size. */
|
---|
1559 | pCtx->Transfer.cObjToProcess = DnDTransferListObjCount(&pCtx->Transfer.List);
|
---|
1560 | AssertBreakStmt(pCtx->Transfer.cObjToProcess, vrc = VERR_INVALID_PARAMETER);
|
---|
1561 |
|
---|
1562 | /* Update the meta data to have the current root transfer entries in the right shape. */
|
---|
1563 | if (DnDMIMEHasFileURLs(pCtx->Meta.strFmt.c_str(), RTSTR_MAX))
|
---|
1564 | {
|
---|
1565 | /* Save original format we're still going to use after updating the actual meta data. */
|
---|
1566 | Utf8Str strFmt = pCtx->Meta.strFmt;
|
---|
1567 |
|
---|
1568 | /* Reset stale data. */
|
---|
1569 | pCtx->Meta.reset();
|
---|
1570 |
|
---|
1571 | void *pvData;
|
---|
1572 | size_t cbData;
|
---|
1573 | #ifdef DEBUG
|
---|
1574 | vrc = DnDTransferListGetRootsEx(&pCtx->Transfer.List, DNDTRANSFERLISTFMT_URI, "" /* pcszPathBase */,
|
---|
1575 | "\n" /* pcszSeparator */, (char **)&pvData, &cbData);
|
---|
1576 | AssertRCReturn(vrc, vrc);
|
---|
1577 | LogFlowFunc(("URI data:\n%s", (char *)pvData));
|
---|
1578 | RTMemFree(pvData);
|
---|
1579 | cbData = 0;
|
---|
1580 | #endif
|
---|
1581 | vrc = DnDTransferListGetRoots(&pCtx->Transfer.List, DNDTRANSFERLISTFMT_URI,
|
---|
1582 | (char **)&pvData, &cbData);
|
---|
1583 | AssertRCReturn(vrc, vrc);
|
---|
1584 |
|
---|
1585 | /* pCtx->Meta now owns the allocated data. */
|
---|
1586 | pCtx->Meta.strFmt = strFmt;
|
---|
1587 | pCtx->Meta.pvData = pvData;
|
---|
1588 | pCtx->Meta.cbData = cbData;
|
---|
1589 | pCtx->Meta.cbAllocated = cbData;
|
---|
1590 | pCtx->Meta.cbAnnounced = cbData;
|
---|
1591 | }
|
---|
1592 |
|
---|
1593 | /*
|
---|
1594 | * The first message always is the data header. The meta data itself then follows
|
---|
1595 | * and *only* contains the root elements of a transfer list.
|
---|
1596 | *
|
---|
1597 | * After the meta data we generate the messages required to send the
|
---|
1598 | * file/directory data itself.
|
---|
1599 | *
|
---|
1600 | * Note: Protocol < v3 use the first data message to tell what's being sent.
|
---|
1601 | */
|
---|
1602 |
|
---|
1603 | /*
|
---|
1604 | * Send the data header first.
|
---|
1605 | */
|
---|
1606 | if (m_pState->m_uProtocolVersion >= 3)
|
---|
1607 | vrc = i_sendMetaDataHeader(pCtx);
|
---|
1608 |
|
---|
1609 | /*
|
---|
1610 | * Send the (meta) data body.
|
---|
1611 | */
|
---|
1612 | if (RT_SUCCESS(vrc))
|
---|
1613 | vrc = i_sendMetaDataBody(pCtx);
|
---|
1614 |
|
---|
1615 | if (RT_SUCCESS(vrc))
|
---|
1616 | {
|
---|
1617 | vrc = waitForEvent(&pCtx->EventCallback, pCtx->pState, msTimeout);
|
---|
1618 | if (RT_SUCCESS(vrc))
|
---|
1619 | pCtx->pState->setProgress(100, DND_PROGRESS_COMPLETE, VINF_SUCCESS);
|
---|
1620 | }
|
---|
1621 |
|
---|
1622 | } while (0);
|
---|
1623 |
|
---|
1624 | /*
|
---|
1625 | * Unregister callbacks.
|
---|
1626 | */
|
---|
1627 | /* Guest callbacks. */
|
---|
1628 | UNREGISTER_CALLBACK(GUEST_DND_FN_CONNECT);
|
---|
1629 | UNREGISTER_CALLBACK(GUEST_DND_FN_DISCONNECT);
|
---|
1630 | UNREGISTER_CALLBACK(GUEST_DND_FN_GET_NEXT_HOST_MSG);
|
---|
1631 | UNREGISTER_CALLBACK(GUEST_DND_FN_EVT_ERROR);
|
---|
1632 | /* Host callbacks. */
|
---|
1633 | UNREGISTER_CALLBACK(HOST_DND_FN_HG_SND_DIR);
|
---|
1634 | if (m_pState->m_uProtocolVersion >= 2)
|
---|
1635 | UNREGISTER_CALLBACK(HOST_DND_FN_HG_SND_FILE_HDR);
|
---|
1636 | UNREGISTER_CALLBACK(HOST_DND_FN_HG_SND_FILE_DATA);
|
---|
1637 |
|
---|
1638 | #undef REGISTER_CALLBACK
|
---|
1639 | #undef UNREGISTER_CALLBACK
|
---|
1640 |
|
---|
1641 | if (RT_FAILURE(vrc))
|
---|
1642 | {
|
---|
1643 | if (vrc == VERR_CANCELLED) /* Transfer was cancelled by the host. */
|
---|
1644 | {
|
---|
1645 | /*
|
---|
1646 | * Now that we've cleaned up tell the guest side to cancel.
|
---|
1647 | * This does not imply we're waiting for the guest to react, as the
|
---|
1648 | * host side never must depend on anything from the guest.
|
---|
1649 | */
|
---|
1650 | int vrc2 = sendCancel();
|
---|
1651 | AssertRC(vrc2);
|
---|
1652 |
|
---|
1653 | LogRel2(("DnD: Sending transfer data to guest cancelled by user\n"));
|
---|
1654 |
|
---|
1655 | vrc2 = pCtx->pState->setProgress(100, DND_PROGRESS_CANCELLED, VINF_SUCCESS);
|
---|
1656 | AssertRC(vrc2);
|
---|
1657 |
|
---|
1658 | /* Cancelling is not an error, just set success here. */
|
---|
1659 | vrc = VINF_SUCCESS;
|
---|
1660 | }
|
---|
1661 | else if (vrc != VERR_DND_GUEST_ERROR) /* Guest-side error are already handled in the callback. */
|
---|
1662 | {
|
---|
1663 | LogRel(("DnD: Sending transfer data to guest failed with vrc=%Rrc\n", vrc));
|
---|
1664 | int vrc2 = pCtx->pState->setProgress(100, DND_PROGRESS_ERROR, vrc,
|
---|
1665 | GuestDnDTarget::i_hostErrorToString(vrc));
|
---|
1666 | AssertRC(vrc2);
|
---|
1667 | }
|
---|
1668 | }
|
---|
1669 |
|
---|
1670 | LogFlowFuncLeaveRC(vrc);
|
---|
1671 | return vrc;
|
---|
1672 | }
|
---|
1673 |
|
---|
1674 | /**
|
---|
1675 | * Sends the next object of a transfer list to the guest.
|
---|
1676 | *
|
---|
1677 | * @returns VBox status code. VINF_EOF if the transfer list is complete.
|
---|
1678 | * @param pCtx Send context to use.
|
---|
1679 | * @param pList Transfer list to use.
|
---|
1680 | * @param pMsg Message to store send data into.
|
---|
1681 | */
|
---|
1682 | int GuestDnDTarget::i_sendTransferListObject(GuestDnDSendCtx *pCtx, PDNDTRANSFERLIST pList, GuestDnDMsg *pMsg)
|
---|
1683 | {
|
---|
1684 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1685 | AssertPtrReturn(pList, VERR_INVALID_POINTER);
|
---|
1686 | AssertPtrReturn(pMsg, VERR_INVALID_POINTER);
|
---|
1687 |
|
---|
1688 | int vrc = updateProgress(pCtx, pCtx->pState);
|
---|
1689 | AssertRCReturn(vrc, vrc);
|
---|
1690 |
|
---|
1691 | PDNDTRANSFEROBJECT pObj = DnDTransferListObjGetFirst(pList);
|
---|
1692 | if (!pObj) /* Transfer complete? */
|
---|
1693 | return VINF_EOF;
|
---|
1694 |
|
---|
1695 | switch (DnDTransferObjectGetType(pObj))
|
---|
1696 | {
|
---|
1697 | case DNDTRANSFEROBJTYPE_DIRECTORY:
|
---|
1698 | vrc = i_sendDirectory(pCtx, pObj, pMsg);
|
---|
1699 | break;
|
---|
1700 |
|
---|
1701 | case DNDTRANSFEROBJTYPE_FILE:
|
---|
1702 | vrc = i_sendFile(pCtx, pObj, pMsg);
|
---|
1703 | break;
|
---|
1704 |
|
---|
1705 | default:
|
---|
1706 | AssertFailedStmt(vrc = VERR_NOT_SUPPORTED);
|
---|
1707 | break;
|
---|
1708 | }
|
---|
1709 |
|
---|
1710 | if ( RT_SUCCESS(vrc)
|
---|
1711 | && DnDTransferObjectIsComplete(pObj))
|
---|
1712 | {
|
---|
1713 | DnDTransferListObjRemove(pList, pObj);
|
---|
1714 | pObj = NULL;
|
---|
1715 |
|
---|
1716 | AssertReturn(pCtx->Transfer.cObjProcessed + 1 <= pCtx->Transfer.cObjToProcess, VERR_WRONG_ORDER);
|
---|
1717 | pCtx->Transfer.cObjProcessed++;
|
---|
1718 |
|
---|
1719 | pCtx->Transfer.fObjState = DND_OBJ_STATE_NONE;
|
---|
1720 | }
|
---|
1721 |
|
---|
1722 | LogFlowFuncLeaveRC(vrc);
|
---|
1723 | return vrc;
|
---|
1724 | }
|
---|
1725 |
|
---|
1726 | /**
|
---|
1727 | * Main function for sending raw data (e.g. text, RTF, ...) to the guest.
|
---|
1728 | *
|
---|
1729 | * @returns VBox status code.
|
---|
1730 | * @param pCtx Send context to use.
|
---|
1731 | * @param msTimeout Timeout (in ms) to use for getting the data sent.
|
---|
1732 | */
|
---|
1733 | int GuestDnDTarget::i_sendRawData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout)
|
---|
1734 | {
|
---|
1735 | AssertPtrReturn(pCtx, VERR_INVALID_POINTER);
|
---|
1736 | NOREF(msTimeout);
|
---|
1737 |
|
---|
1738 | /** @todo At the moment we only allow sending up to 64K raw data.
|
---|
1739 | * For protocol v1+v2: Fix this by using HOST_DND_FN_HG_SND_MORE_DATA.
|
---|
1740 | * For protocol v3 : Send another HOST_DND_FN_HG_SND_DATA message. */
|
---|
1741 | if (!pCtx->Meta.cbData)
|
---|
1742 | return VINF_SUCCESS;
|
---|
1743 |
|
---|
1744 | int vrc = i_sendMetaDataHeader(pCtx);
|
---|
1745 | if (RT_SUCCESS(vrc))
|
---|
1746 | vrc = i_sendMetaDataBody(pCtx);
|
---|
1747 |
|
---|
1748 | int vrc2;
|
---|
1749 | if (RT_FAILURE(vrc))
|
---|
1750 | {
|
---|
1751 | LogRel(("DnD: Sending raw data to guest failed with vrc=%Rrc\n", vrc));
|
---|
1752 | vrc2 = pCtx->pState->setProgress(100 /* Percent */, DND_PROGRESS_ERROR, vrc,
|
---|
1753 | GuestDnDTarget::i_hostErrorToString(vrc));
|
---|
1754 | }
|
---|
1755 | else
|
---|
1756 | vrc2 = pCtx->pState->setProgress(100 /* Percent */, DND_PROGRESS_COMPLETE, vrc);
|
---|
1757 | AssertRC(vrc2);
|
---|
1758 |
|
---|
1759 | LogFlowFuncLeaveRC(vrc);
|
---|
1760 | return vrc;
|
---|
1761 | }
|
---|
1762 |
|
---|
1763 | /**
|
---|
1764 | * Cancels sending DnD data.
|
---|
1765 | *
|
---|
1766 | * @returns VBox status code.
|
---|
1767 | * @param aVeto Whether cancelling was vetoed or not.
|
---|
1768 | * Not implemented yet.
|
---|
1769 | */
|
---|
1770 | HRESULT GuestDnDTarget::cancel(BOOL *aVeto)
|
---|
1771 | {
|
---|
1772 | #if !defined(VBOX_WITH_DRAG_AND_DROP)
|
---|
1773 | ReturnComNotImplemented();
|
---|
1774 | #else /* VBOX_WITH_DRAG_AND_DROP */
|
---|
1775 |
|
---|
1776 | LogRel2(("DnD: Sending cancelling request to the guest ...\n"));
|
---|
1777 |
|
---|
1778 | int vrc = GuestDnDBase::sendCancel();
|
---|
1779 |
|
---|
1780 | if (aVeto)
|
---|
1781 | *aVeto = FALSE; /** @todo Implement vetoing. */
|
---|
1782 |
|
---|
1783 | HRESULT hrc = RT_SUCCESS(vrc) ? S_OK : VBOX_E_DND_ERROR;
|
---|
1784 |
|
---|
1785 | LogFlowFunc(("hrc=%Rhrc\n", hrc));
|
---|
1786 | return hrc;
|
---|
1787 | #endif /* VBOX_WITH_DRAG_AND_DROP */
|
---|
1788 | }
|
---|
1789 |
|
---|