1 | /* $Id: VBoxUsbTool.cpp 80889 2019-09-18 13:15:15Z vboxsync $ */
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2 | /** @file
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3 | * Windows USB R0 Tooling.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2011-2019 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 | #define INITGUID
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28 | #include "VBoxUsbTool.h"
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29 | #include <usbbusif.h>
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30 |
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31 | #include <iprt/assert.h>
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32 | #include <iprt/string.h>
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33 | #include <iprt/utf16.h>
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34 | #include <VBox/log.h>
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35 | #include <VBox/usblib.h>
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36 |
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37 | #include "../../../win/VBoxDbgLog.h"
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38 |
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39 | #define VBOXUSBTOOL_MEMTAG 'TUBV'
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40 |
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41 | static PVOID vboxUsbToolMemAlloc(SIZE_T cbBytes)
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42 | {
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43 | PVOID pvMem = ExAllocatePoolWithTag(NonPagedPool, cbBytes, VBOXUSBTOOL_MEMTAG);
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44 | Assert(pvMem);
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45 | return pvMem;
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46 | }
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47 |
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48 | static PVOID vboxUsbToolMemAllocZ(SIZE_T cbBytes)
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49 | {
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50 | PVOID pvMem = vboxUsbToolMemAlloc(cbBytes);
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51 | if (pvMem)
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52 | {
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53 | RtlZeroMemory(pvMem, cbBytes);
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54 | }
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55 | return pvMem;
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56 | }
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57 |
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58 | static VOID vboxUsbToolMemFree(PVOID pvMem)
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59 | {
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60 | ExFreePoolWithTag(pvMem, VBOXUSBTOOL_MEMTAG);
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61 | }
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62 |
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63 | VBOXUSBTOOL_DECL(PURB) VBoxUsbToolUrbAlloc(USHORT u16Function, USHORT cbSize)
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64 | {
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65 | PURB pUrb = (PURB)vboxUsbToolMemAlloc(cbSize);
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66 | Assert(pUrb);
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67 | if (!pUrb)
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68 | return NULL;
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69 |
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70 | pUrb->UrbHeader.Length = cbSize;
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71 | pUrb->UrbHeader.Function = u16Function;
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72 | return pUrb;
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73 | }
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74 |
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75 | VBOXUSBTOOL_DECL(PURB) VBoxUsbToolUrbAllocZ(USHORT u16Function, USHORT cbSize)
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76 | {
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77 | PURB pUrb = (PURB)vboxUsbToolMemAllocZ(cbSize);
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78 | Assert(pUrb);
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79 | if (!pUrb)
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80 | return NULL;
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81 |
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82 | pUrb->UrbHeader.Length = cbSize;
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83 | pUrb->UrbHeader.Function = u16Function;
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84 | return pUrb;
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85 | }
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86 |
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87 | VBOXUSBTOOL_DECL(PURB) VBoxUsbToolUrbReinit(PURB pUrb, USHORT cbSize, USHORT u16Function)
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88 | {
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89 | Assert(pUrb->UrbHeader.Length == cbSize);
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90 | if (pUrb->UrbHeader.Length < cbSize)
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91 | return NULL;
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92 | pUrb->UrbHeader.Length = cbSize;
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93 | pUrb->UrbHeader.Function = u16Function;
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94 | return pUrb;
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95 | }
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96 |
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97 | VBOXUSBTOOL_DECL(VOID) VBoxUsbToolUrbFree(PURB pUrb)
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98 | {
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99 | vboxUsbToolMemFree(pUrb);
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100 | }
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101 |
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102 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolUrbPost(PDEVICE_OBJECT pDevObj, PURB pUrb, ULONG dwTimeoutMs)
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103 | {
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104 | if (dwTimeoutMs == RT_INDEFINITE_WAIT)
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105 | return VBoxUsbToolIoInternalCtlSendSync(pDevObj, IOCTL_INTERNAL_USB_SUBMIT_URB, pUrb, NULL);
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106 | return VBoxUsbToolIoInternalCtlSendSyncWithTimeout(pDevObj, IOCTL_INTERNAL_USB_SUBMIT_URB, pUrb, NULL, dwTimeoutMs);
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107 | }
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108 |
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109 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolGetDescriptor(PDEVICE_OBJECT pDevObj, void *pvBuffer, int cbBuffer, int Type, int iIndex, int LangId, ULONG dwTimeoutMs)
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110 | {
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111 | NTSTATUS Status;
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112 | USHORT cbUrb = sizeof (struct _URB_CONTROL_DESCRIPTOR_REQUEST);
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113 | PURB pUrb = VBoxUsbToolUrbAllocZ(URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE, cbUrb);
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114 | if (!pUrb)
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115 | {
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116 | WARN(("allocating URB failed"));
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117 | return STATUS_INSUFFICIENT_RESOURCES;
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118 | }
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119 |
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120 | PUSB_COMMON_DESCRIPTOR pCmn = (PUSB_COMMON_DESCRIPTOR)pvBuffer;
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121 | pCmn->bLength = cbBuffer;
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122 | pCmn->bDescriptorType = Type;
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123 |
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124 | pUrb->UrbHeader.Function = URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE;
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125 | pUrb->UrbHeader.Length = sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST);
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126 | pUrb->UrbControlDescriptorRequest.TransferBufferLength = cbBuffer;
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127 | pUrb->UrbControlDescriptorRequest.TransferBuffer = pvBuffer;
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128 | pUrb->UrbControlDescriptorRequest.Index = (UCHAR)iIndex;
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129 | pUrb->UrbControlDescriptorRequest.DescriptorType = (UCHAR)Type;
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130 | pUrb->UrbControlDescriptorRequest.LanguageId = (USHORT)LangId;
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131 |
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132 | Status = VBoxUsbToolUrbPost(pDevObj, pUrb, dwTimeoutMs);
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133 | ASSERT_WARN(Status == STATUS_SUCCESS, ("VBoxUsbToolUrbPost failed Status (0x%x)", Status));
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134 |
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135 | VBoxUsbToolUrbFree(pUrb);
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136 |
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137 | return Status;
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138 | }
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139 |
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140 | VBOXUSBTOOL_DECL(VOID) VBoxUsbToolStringDescriptorToUnicodeString(PUSB_STRING_DESCRIPTOR pDr, PUNICODE_STRING pUnicode)
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141 | {
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142 | /* for some reason the string dr sometimes contains a non-null terminated string
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143 | * although we zeroed up the complete descriptor buffer
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144 | * this is why RtlInitUnicodeString won't work
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145 | * we need to init the scting length based on dr length */
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146 | pUnicode->Buffer = pDr->bString;
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147 | pUnicode->Length = pUnicode->MaximumLength = pDr->bLength - RT_OFFSETOF(USB_STRING_DESCRIPTOR, bString);
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148 | }
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149 |
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150 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolGetStringDescriptor(PDEVICE_OBJECT pDevObj, char *pszResult, ULONG cbResult,
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151 | int iIndex, int LangId, ULONG dwTimeoutMs)
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152 | {
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153 | char aBuf[MAXIMUM_USB_STRING_LENGTH];
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154 | AssertCompile(sizeof (aBuf) <= UINT8_MAX);
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155 | UCHAR cbBuf = (UCHAR)sizeof (aBuf);
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156 | PUSB_STRING_DESCRIPTOR pDr = (PUSB_STRING_DESCRIPTOR)&aBuf;
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157 |
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158 | Assert(pszResult);
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159 | *pszResult = 0;
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160 |
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161 | memset(pDr, 0, cbBuf);
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162 | pDr->bLength = cbBuf;
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163 | pDr->bDescriptorType = USB_STRING_DESCRIPTOR_TYPE;
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164 |
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165 | NTSTATUS Status = VBoxUsbToolGetDescriptor(pDevObj, pDr, cbBuf, USB_STRING_DESCRIPTOR_TYPE, iIndex, LangId, dwTimeoutMs);
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166 | if (NT_SUCCESS(Status))
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167 | {
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168 | if (pDr->bLength >= sizeof (USB_STRING_DESCRIPTOR))
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169 | {
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170 | int rc = RTUtf16ToUtf8Ex(pDr->bString, (pDr->bLength - RT_OFFSETOF(USB_STRING_DESCRIPTOR, bString)) / sizeof(RTUTF16),
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171 | &pszResult, cbResult, NULL /*pcch*/);
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172 | if (RT_SUCCESS(rc))
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173 | {
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174 | USBLibPurgeEncoding(pszResult);
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175 | Status = STATUS_SUCCESS;
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176 | }
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177 | else
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178 | Status = STATUS_UNSUCCESSFUL;
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179 | }
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180 | else
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181 | Status = STATUS_INVALID_PARAMETER;
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182 | }
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183 | return Status;
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184 | }
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185 |
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186 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolGetLangID(PDEVICE_OBJECT pDevObj, int *pLangId, ULONG dwTimeoutMs)
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187 | {
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188 | char aBuf[MAXIMUM_USB_STRING_LENGTH];
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189 | AssertCompile(sizeof (aBuf) <= UINT8_MAX);
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190 | UCHAR cbBuf = (UCHAR)sizeof (aBuf);
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191 | PUSB_STRING_DESCRIPTOR pDr = (PUSB_STRING_DESCRIPTOR)&aBuf;
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192 |
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193 | Assert(pLangId);
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194 | *pLangId = 0;
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195 |
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196 | memset(pDr, 0, cbBuf);
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197 | pDr->bLength = cbBuf;
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198 | pDr->bDescriptorType = USB_STRING_DESCRIPTOR_TYPE;
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199 |
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200 | NTSTATUS Status = VBoxUsbToolGetDescriptor(pDevObj, pDr, cbBuf, USB_STRING_DESCRIPTOR_TYPE, 0, 0, dwTimeoutMs);
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201 | if (NT_SUCCESS(Status))
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202 | {
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203 | /* Just grab the first lang ID if available. In 99% cases, it will be US English (0x0409).*/
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204 | if (pDr->bLength >= sizeof (USB_STRING_DESCRIPTOR))
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205 | {
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206 | AssertCompile(sizeof (pDr->bString[0]) == sizeof (uint16_t));
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207 | *pLangId = pDr->bString[0];
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208 | Status = STATUS_SUCCESS;
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209 | }
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210 | else
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211 | {
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212 | Status = STATUS_INVALID_PARAMETER;
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213 | }
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214 | }
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215 | return Status;
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216 | }
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217 |
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218 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolGetDeviceSpeed(PDEVICE_OBJECT pDevObj, BOOLEAN *pbIsHigh)
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219 | {
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220 | Assert(pbIsHigh);
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221 | *pbIsHigh = FALSE;
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222 |
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223 | PIRP pIrp = IoAllocateIrp(pDevObj->StackSize, FALSE);
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224 | Assert(pIrp);
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225 | if (!pIrp)
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226 | {
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227 | return STATUS_INSUFFICIENT_RESOURCES;
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228 | }
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229 |
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230 | USB_BUS_INTERFACE_USBDI_V1 BusIf;
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231 | PIO_STACK_LOCATION pSl = IoGetNextIrpStackLocation(pIrp);
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232 | pSl->MajorFunction = IRP_MJ_PNP;
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233 | pSl->MinorFunction = IRP_MN_QUERY_INTERFACE;
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234 | pSl->Parameters.QueryInterface.InterfaceType = &USB_BUS_INTERFACE_USBDI_GUID;
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235 | pSl->Parameters.QueryInterface.Size = sizeof (BusIf);
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236 | pSl->Parameters.QueryInterface.Version = USB_BUSIF_USBDI_VERSION_1;
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237 | pSl->Parameters.QueryInterface.Interface = (PINTERFACE)&BusIf;
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238 | pSl->Parameters.QueryInterface.InterfaceSpecificData = NULL;
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239 |
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240 | pIrp->IoStatus.Status = STATUS_NOT_SUPPORTED;
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241 |
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242 | NTSTATUS Status = VBoxDrvToolIoPostSync(pDevObj, pIrp);
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243 | Assert(NT_SUCCESS(Status) || Status == STATUS_NOT_SUPPORTED);
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244 | if (NT_SUCCESS(Status))
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245 | {
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246 | *pbIsHigh = BusIf.IsDeviceHighSpeed(BusIf.BusContext);
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247 | BusIf.InterfaceDereference(BusIf.BusContext);
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248 | }
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249 | IoFreeIrp(pIrp);
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250 |
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251 | return Status;
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252 | }
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253 |
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254 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolPipeClear(PDEVICE_OBJECT pDevObj, HANDLE hPipe, bool fReset)
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255 | {
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256 | if (!hPipe)
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257 | {
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258 | Log(("Resetting the control pipe??\n"));
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259 | return STATUS_SUCCESS;
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260 | }
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261 | USHORT u16Function = fReset ? URB_FUNCTION_RESET_PIPE : URB_FUNCTION_ABORT_PIPE;
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262 | PURB pUrb = VBoxUsbToolUrbAlloc(u16Function, sizeof (struct _URB_PIPE_REQUEST));
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263 | if (!pUrb)
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264 | {
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265 | AssertMsgFailed((__FUNCTION__": VBoxUsbToolUrbAlloc failed!\n"));
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266 | return STATUS_INSUFFICIENT_RESOURCES;
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267 | }
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268 | pUrb->UrbPipeRequest.PipeHandle = hPipe;
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269 | pUrb->UrbPipeRequest.Reserved = 0;
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270 |
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271 | NTSTATUS Status = VBoxUsbToolUrbPost(pDevObj, pUrb, RT_INDEFINITE_WAIT);
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272 | if (!NT_SUCCESS(Status) || !USBD_SUCCESS(pUrb->UrbHeader.Status))
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273 | {
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274 | AssertMsgFailed((__FUNCTION__": vboxUsbToolRequest failed with %x (%x)\n", Status, pUrb->UrbHeader.Status));
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275 | }
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276 |
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277 | VBoxUsbToolUrbFree(pUrb);
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278 |
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279 | return Status;
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280 | }
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281 |
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282 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolCurrentFrame(PDEVICE_OBJECT pDevObj, PIRP pIrp, PULONG piFrame)
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283 | {
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284 | struct _URB_GET_CURRENT_FRAME_NUMBER Urb;
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285 | Urb.Hdr.Function = URB_FUNCTION_GET_CURRENT_FRAME_NUMBER;
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286 | Urb.Hdr.Length = sizeof(Urb);
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287 | Urb.FrameNumber = (ULONG)-1;
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288 |
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289 | Assert(piFrame);
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290 | *piFrame = (ULONG)-1;
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291 |
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292 | PIO_STACK_LOCATION pSl = IoGetNextIrpStackLocation(pIrp);
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293 | pSl->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
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294 | pSl->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
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295 | pSl->Parameters.Others.Argument1 = (PVOID)&Urb;
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296 | pSl->Parameters.Others.Argument2 = NULL;
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297 |
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298 | NTSTATUS Status = VBoxUsbToolUrbPost(pDevObj, (PURB)&Urb, RT_INDEFINITE_WAIT);
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299 | Assert(NT_SUCCESS(Status));
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300 | if (NT_SUCCESS(Status))
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301 | {
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302 | *piFrame = Urb.FrameNumber;
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303 | }
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304 |
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305 | return Status;
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306 | }
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307 |
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308 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolDevUnconfigure(PDEVICE_OBJECT pDevObj)
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309 | {
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310 | USHORT cbUrb = sizeof (struct _URB_SELECT_CONFIGURATION);
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311 | PURB pUrb = VBoxUsbToolUrbAlloc(URB_FUNCTION_SELECT_CONFIGURATION, cbUrb);
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312 | Assert(pUrb);
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313 | if (!pUrb)
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314 | return STATUS_INSUFFICIENT_RESOURCES;
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315 |
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316 | UsbBuildSelectConfigurationRequest(pUrb, (USHORT)cbUrb, NULL);
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317 |
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318 | NTSTATUS Status = VBoxUsbToolUrbPost(pDevObj, pUrb, RT_INDEFINITE_WAIT);
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319 | Assert(NT_SUCCESS(Status));
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320 |
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321 | VBoxUsbToolUrbFree(pUrb);
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322 |
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323 | return Status;
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324 | }
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325 |
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326 | VBOXUSBTOOL_DECL(PIRP) VBoxUsbToolIoBuildAsyncInternalCtl(PDEVICE_OBJECT pDevObj, ULONG uCtl, void *pvArg1, void *pvArg2)
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327 | {
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328 | PIRP pIrp = IoAllocateIrp(pDevObj->StackSize, FALSE);
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329 | Assert(pIrp);
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330 | if (!pIrp)
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331 | {
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332 | return NULL;
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333 | }
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334 |
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335 | pIrp->IoStatus.Status = STATUS_SUCCESS;
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336 | pIrp->IoStatus.Information = NULL;
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337 |
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338 | PIO_STACK_LOCATION pSl = IoGetNextIrpStackLocation(pIrp);
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339 | pSl->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
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340 | pSl->MinorFunction = 0;
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341 | pSl->Parameters.DeviceIoControl.IoControlCode = uCtl;
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342 | pSl->Parameters.Others.Argument1 = pvArg1;
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343 | pSl->Parameters.Others.Argument2 = pvArg2;
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344 | return pIrp;
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345 | }
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346 |
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347 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolIoInternalCtlSendSyncWithTimeout(PDEVICE_OBJECT pDevObj, ULONG uCtl,
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348 | void *pvArg1, void *pvArg2, ULONG dwTimeoutMs)
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349 | {
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350 | /* since we're going to cancel the irp on timeout, we should allocate our own IRP rather than using the threaded one
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351 | * */
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352 | PIRP pIrp = VBoxUsbToolIoBuildAsyncInternalCtl(pDevObj, uCtl, pvArg1, pvArg2);
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353 | if (!pIrp)
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354 | {
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355 | WARN(("VBoxUsbToolIoBuildAsyncInternalCtl failed"));
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356 | return STATUS_INSUFFICIENT_RESOURCES;
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357 | }
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358 |
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359 | NTSTATUS Status = VBoxDrvToolIoPostSyncWithTimeout(pDevObj, pIrp, dwTimeoutMs);
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360 |
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361 | IoFreeIrp(pIrp);
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362 |
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363 | return Status;
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364 | }
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365 |
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366 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolIoInternalCtlSendAsync(PDEVICE_OBJECT pDevObj, ULONG uCtl, void *pvArg1, void *pvArg2,
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367 | PKEVENT pEvent, PIO_STATUS_BLOCK pIoStatus)
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368 | {
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369 | NTSTATUS Status;
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370 | PIRP pIrp;
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371 | PIO_STACK_LOCATION pSl;
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372 | Assert(KeGetCurrentIrql() == PASSIVE_LEVEL);
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373 |
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374 | pIrp = IoBuildDeviceIoControlRequest(uCtl, pDevObj, NULL, 0, NULL, 0, TRUE, pEvent, pIoStatus);
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375 | if (!pIrp)
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376 | {
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377 | WARN(("IoBuildDeviceIoControlRequest failed!!\n"));
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378 | pIoStatus->Status = STATUS_INSUFFICIENT_RESOURCES;
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379 | pIoStatus->Information = 0;
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380 | return STATUS_INSUFFICIENT_RESOURCES;
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381 | }
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382 |
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383 | /* Get the next stack location as that is used for the new irp */
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384 | pSl = IoGetNextIrpStackLocation(pIrp);
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385 | pSl->Parameters.Others.Argument1 = pvArg1;
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386 | pSl->Parameters.Others.Argument2 = pvArg2;
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387 |
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388 | Status = IoCallDriver(pDevObj, pIrp);
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389 |
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390 | return Status;
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391 | }
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392 |
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393 | VBOXUSBTOOL_DECL(NTSTATUS) VBoxUsbToolIoInternalCtlSendSync(PDEVICE_OBJECT pDevObj, ULONG uCtl, void *pvArg1, void *pvArg2)
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394 | {
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395 | IO_STATUS_BLOCK IoStatus = {0};
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396 | KEVENT Event;
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397 | NTSTATUS Status;
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398 |
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399 | KeInitializeEvent(&Event, NotificationEvent, FALSE);
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400 |
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401 | LOG(("Sending sync Ctl pDevObj(0x%p), uCtl(0x%x), pvArg1(0x%p), pvArg2(0x%p)", pDevObj, uCtl, pvArg1, pvArg2));
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402 |
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403 | Status = VBoxUsbToolIoInternalCtlSendAsync(pDevObj, uCtl, pvArg1, pvArg2, &Event, &IoStatus);
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404 |
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405 | if (Status == STATUS_PENDING)
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406 | {
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407 | LOG(("VBoxUsbToolIoInternalCtlSendAsync returned pending for pDevObj(0x%p)", pDevObj));
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408 | KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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409 | Status = IoStatus.Status;
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410 | LOG(("Pending VBoxUsbToolIoInternalCtlSendAsync completed with Status (0x%x) for pDevObj(0x%p)", Status, pDevObj));
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411 | }
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412 | else
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413 | {
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414 | LOG(("VBoxUsbToolIoInternalCtlSendAsync completed with Status (0x%x) for pDevObj(0x%p)", Status, pDevObj));
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415 | }
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416 |
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417 | return Status;
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418 | }
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