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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "device/usb/usb_service_impl.h" | 5 #include "device/usb/usb_service_impl.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 #include <list> | 8 #include <list> |
9 #include <set> | 9 #include <set> |
10 #include <utility> | 10 #include <utility> |
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41 using net::IOBufferWithSize; | 41 using net::IOBufferWithSize; |
42 | 42 |
43 namespace device { | 43 namespace device { |
44 | 44 |
45 namespace { | 45 namespace { |
46 | 46 |
47 // Standard USB requests and descriptor types: | 47 // Standard USB requests and descriptor types: |
48 const uint16_t kUsbVersion2_1 = 0x0210; | 48 const uint16_t kUsbVersion2_1 = 0x0210; |
49 const uint8_t kGetDescriptorRequest = 0x06; | 49 const uint8_t kGetDescriptorRequest = 0x06; |
50 const uint8_t kStringDescriptorType = 0x03; | 50 const uint8_t kStringDescriptorType = 0x03; |
51 const uint8_t kBosDescriptorType = 0x0F; | |
52 | |
53 // WebUSB requests: | |
54 const uint8_t kGetAllowedOriginsRequest = 0x01; | |
55 const uint8_t kGetLandingPageRequest = 0x02; | |
56 | 51 |
57 const int kControlTransferTimeout = 60000; // 1 minute | 52 const int kControlTransferTimeout = 60000; // 1 minute |
58 | 53 |
59 #if defined(OS_WIN) | 54 #if defined(OS_WIN) |
60 | 55 |
61 bool IsWinUsbInterface(const std::string& device_path) { | 56 bool IsWinUsbInterface(const std::string& device_path) { |
62 DeviceInfoQueryWin device_info_query; | 57 DeviceInfoQueryWin device_info_query; |
63 if (!device_info_query.device_info_list_valid()) { | 58 if (!device_info_query.device_info_list_valid()) { |
64 USB_PLOG(ERROR) << "Failed to create a device information set"; | 59 USB_PLOG(ERROR) << "Failed to create a device information set"; |
65 return false; | 60 return false; |
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143 uint16_t language_id, | 138 uint16_t language_id, |
144 const base::Callback<void(const base::string16&)>& callback) { | 139 const base::Callback<void(const base::string16&)>& callback) { |
145 scoped_refptr<IOBufferWithSize> buffer = new IOBufferWithSize(255); | 140 scoped_refptr<IOBufferWithSize> buffer = new IOBufferWithSize(255); |
146 device_handle->ControlTransfer( | 141 device_handle->ControlTransfer( |
147 USB_DIRECTION_INBOUND, UsbDeviceHandle::STANDARD, UsbDeviceHandle::DEVICE, | 142 USB_DIRECTION_INBOUND, UsbDeviceHandle::STANDARD, UsbDeviceHandle::DEVICE, |
148 kGetDescriptorRequest, kStringDescriptorType << 8 | index, language_id, | 143 kGetDescriptorRequest, kStringDescriptorType << 8 | index, language_id, |
149 buffer, buffer->size(), kControlTransferTimeout, | 144 buffer, buffer->size(), kControlTransferTimeout, |
150 base::Bind(&OnReadStringDescriptor, callback)); | 145 base::Bind(&OnReadStringDescriptor, callback)); |
151 } | 146 } |
152 | 147 |
153 void OnReadWebUsbLandingPage(scoped_refptr<UsbDevice> device, | |
154 const base::Closure& callback, | |
155 UsbTransferStatus status, | |
156 scoped_refptr<net::IOBuffer> buffer, | |
157 size_t length) { | |
158 if (status != USB_TRANSFER_COMPLETED) { | |
159 USB_LOG(EVENT) << "Failed to read WebUSB landing page."; | |
160 callback.Run(); | |
161 return; | |
162 } | |
163 | |
164 GURL landing_page; | |
165 if (ParseWebUsbUrlDescriptor( | |
166 std::vector<uint8_t>(buffer->data(), buffer->data() + length), | |
167 &landing_page)) { | |
168 UsbDeviceImpl* device_impl = static_cast<UsbDeviceImpl*>(device.get()); | |
169 device_impl->set_webusb_landing_page(landing_page); | |
170 } | |
171 callback.Run(); | |
172 } | |
173 | |
174 void ReadWebUsbLandingPage(scoped_refptr<UsbDeviceHandle> device_handle, | |
175 const base::Closure& callback, | |
176 uint8_t vendor_code) { | |
177 scoped_refptr<IOBufferWithSize> buffer = new IOBufferWithSize(255); | |
178 device_handle->ControlTransfer( | |
179 USB_DIRECTION_INBOUND, UsbDeviceHandle::VENDOR, UsbDeviceHandle::DEVICE, | |
180 vendor_code, 0, kGetLandingPageRequest, buffer, buffer->size(), | |
181 kControlTransferTimeout, | |
182 base::Bind(&OnReadWebUsbLandingPage, device_handle->GetDevice(), | |
183 callback)); | |
184 } | |
185 | |
186 void OnReadWebUsbAllowedOrigins(scoped_refptr<UsbDevice> device, | |
187 const base::Closure& callback, | |
188 UsbTransferStatus status, | |
189 scoped_refptr<net::IOBuffer> buffer, | |
190 size_t length) { | |
191 if (status != USB_TRANSFER_COMPLETED) { | |
192 USB_LOG(EVENT) << "Failed to read WebUSB allowed origins."; | |
193 callback.Run(); | |
194 return; | |
195 } | |
196 | |
197 scoped_ptr<WebUsbDescriptorSet> descriptors(new WebUsbDescriptorSet()); | |
198 if (descriptors->Parse( | |
199 std::vector<uint8_t>(buffer->data(), buffer->data() + length))) { | |
200 UsbDeviceImpl* device_impl = static_cast<UsbDeviceImpl*>(device.get()); | |
201 device_impl->set_webusb_allowed_origins(std::move(descriptors)); | |
202 } | |
203 callback.Run(); | |
204 } | |
205 | |
206 void OnReadWebUsbAllowedOriginsHeader( | |
207 scoped_refptr<UsbDeviceHandle> device_handle, | |
208 const base::Closure& callback, | |
209 uint8_t vendor_code, | |
210 UsbTransferStatus status, | |
211 scoped_refptr<net::IOBuffer> buffer, | |
212 size_t length) { | |
213 if (status != USB_TRANSFER_COMPLETED || length != 4) { | |
214 USB_LOG(EVENT) << "Failed to read WebUSB allowed origins header."; | |
215 callback.Run(); | |
216 return; | |
217 } | |
218 | |
219 uint16_t new_length = buffer->data()[2] | (buffer->data()[3] << 8); | |
220 scoped_refptr<IOBufferWithSize> new_buffer = new IOBufferWithSize(new_length); | |
221 device_handle->ControlTransfer( | |
222 USB_DIRECTION_INBOUND, UsbDeviceHandle::VENDOR, UsbDeviceHandle::DEVICE, | |
223 vendor_code, 0, kGetAllowedOriginsRequest, new_buffer, new_buffer->size(), | |
224 kControlTransferTimeout, | |
225 base::Bind(&OnReadWebUsbAllowedOrigins, device_handle->GetDevice(), | |
226 callback)); | |
227 } | |
228 | |
229 void ReadWebUsbAllowedOrigins(scoped_refptr<UsbDeviceHandle> device_handle, | |
230 const base::Closure& callback, | |
231 uint8_t vendor_code) { | |
232 scoped_refptr<IOBufferWithSize> buffer = new IOBufferWithSize(4); | |
233 device_handle->ControlTransfer( | |
234 USB_DIRECTION_INBOUND, UsbDeviceHandle::VENDOR, UsbDeviceHandle::DEVICE, | |
235 vendor_code, 0, kGetAllowedOriginsRequest, buffer, buffer->size(), | |
236 kControlTransferTimeout, | |
237 base::Bind(&OnReadWebUsbAllowedOriginsHeader, device_handle, callback, | |
238 vendor_code)); | |
239 } | |
240 | |
241 void OnReadBosDescriptor(scoped_refptr<UsbDeviceHandle> device_handle, | |
242 const base::Closure& callback, | |
243 UsbTransferStatus status, | |
244 scoped_refptr<net::IOBuffer> buffer, | |
245 size_t length) { | |
246 if (status != USB_TRANSFER_COMPLETED) { | |
247 USB_LOG(EVENT) << "Failed to read BOS descriptor."; | |
248 callback.Run(); | |
249 return; | |
250 } | |
251 | |
252 WebUsbPlatformCapabilityDescriptor descriptor; | |
253 if (!descriptor.ParseFromBosDescriptor( | |
254 std::vector<uint8_t>(buffer->data(), buffer->data() + length))) { | |
255 callback.Run(); | |
256 return; | |
257 } | |
258 | |
259 base::Closure barrier = base::BarrierClosure(2, callback); | |
260 ReadWebUsbLandingPage(device_handle, barrier, descriptor.vendor_code); | |
261 ReadWebUsbAllowedOrigins(device_handle, barrier, descriptor.vendor_code); | |
262 } | |
263 | |
264 void OnReadBosDescriptorHeader(scoped_refptr<UsbDeviceHandle> device_handle, | |
265 const base::Closure& callback, | |
266 UsbTransferStatus status, | |
267 scoped_refptr<net::IOBuffer> buffer, | |
268 size_t length) { | |
269 if (status != USB_TRANSFER_COMPLETED || length != 5) { | |
270 USB_LOG(EVENT) << "Failed to read BOS descriptor header."; | |
271 callback.Run(); | |
272 return; | |
273 } | |
274 | |
275 uint16_t new_length = buffer->data()[2] | (buffer->data()[3] << 8); | |
276 scoped_refptr<IOBufferWithSize> new_buffer = new IOBufferWithSize(new_length); | |
277 device_handle->ControlTransfer( | |
278 USB_DIRECTION_INBOUND, UsbDeviceHandle::STANDARD, UsbDeviceHandle::DEVICE, | |
279 kGetDescriptorRequest, kBosDescriptorType << 8, 0, new_buffer, | |
280 new_buffer->size(), kControlTransferTimeout, | |
281 base::Bind(&OnReadBosDescriptor, device_handle, callback)); | |
282 } | |
283 | |
284 void ReadBosDescriptor(scoped_refptr<UsbDeviceHandle> device_handle, | |
285 const base::Closure& callback) { | |
286 scoped_refptr<IOBufferWithSize> buffer = new IOBufferWithSize(5); | |
287 device_handle->ControlTransfer( | |
288 USB_DIRECTION_INBOUND, UsbDeviceHandle::STANDARD, UsbDeviceHandle::DEVICE, | |
289 kGetDescriptorRequest, kBosDescriptorType << 8, 0, buffer, buffer->size(), | |
290 kControlTransferTimeout, | |
291 base::Bind(&OnReadBosDescriptorHeader, device_handle, callback)); | |
292 } | |
293 | |
294 void CloseHandleAndRunContinuation(scoped_refptr<UsbDeviceHandle> device_handle, | 148 void CloseHandleAndRunContinuation(scoped_refptr<UsbDeviceHandle> device_handle, |
295 const base::Closure& continuation) { | 149 const base::Closure& continuation) { |
296 device_handle->Close(); | 150 device_handle->Close(); |
297 continuation.Run(); | 151 continuation.Run(); |
298 } | 152 } |
299 | 153 |
300 void SaveStringAndRunContinuation( | 154 void SaveStringAndRunContinuation( |
301 const base::Callback<void(const base::string16&)>& save_callback, | 155 const base::Callback<void(const base::string16&)>& save_callback, |
302 const base::Closure& continuation, | 156 const base::Closure& continuation, |
303 const base::string16& value) { | 157 const base::string16& value) { |
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342 | 196 |
343 if (serial_number != 0) { | 197 if (serial_number != 0) { |
344 ReadStringDescriptor( | 198 ReadStringDescriptor( |
345 device_handle, serial_number, language_id, | 199 device_handle, serial_number, language_id, |
346 base::Bind(&SaveStringAndRunContinuation, | 200 base::Bind(&SaveStringAndRunContinuation, |
347 base::Bind(&UsbDeviceImpl::set_serial_number, device), | 201 base::Bind(&UsbDeviceImpl::set_serial_number, device), |
348 barrier)); | 202 barrier)); |
349 } | 203 } |
350 } | 204 } |
351 | 205 |
| 206 void OnReadBosDescriptor(scoped_refptr<UsbDeviceHandle> device_handle, |
| 207 const base::Closure& barrier, |
| 208 scoped_ptr<WebUsbAllowedOrigins> allowed_origins, |
| 209 const GURL& landing_page) { |
| 210 scoped_refptr<UsbDeviceImpl> device = |
| 211 static_cast<UsbDeviceImpl*>(device_handle->GetDevice().get()); |
| 212 |
| 213 if (allowed_origins) |
| 214 device->set_webusb_allowed_origins(std::move(allowed_origins)); |
| 215 if (landing_page.is_valid()) |
| 216 device->set_webusb_landing_page(landing_page); |
| 217 |
| 218 barrier.Run(); |
| 219 } |
| 220 |
352 void OnDeviceOpenedReadDescriptors( | 221 void OnDeviceOpenedReadDescriptors( |
353 uint8_t manufacturer, | 222 uint8_t manufacturer, |
354 uint8_t product, | 223 uint8_t product, |
355 uint8_t serial_number, | 224 uint8_t serial_number, |
356 bool read_bos_descriptors, | 225 bool read_bos_descriptors, |
357 const base::Closure& success_closure, | 226 const base::Closure& success_closure, |
358 const base::Closure& failure_closure, | 227 const base::Closure& failure_closure, |
359 scoped_refptr<UsbDeviceHandle> device_handle) { | 228 scoped_refptr<UsbDeviceHandle> device_handle) { |
360 if (device_handle) { | 229 if (device_handle) { |
361 int count = 0; | 230 int count = 0; |
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374 device_handle, success_closure)); | 243 device_handle, success_closure)); |
375 | 244 |
376 if (manufacturer != 0 || product != 0 || serial_number != 0) { | 245 if (manufacturer != 0 || product != 0 || serial_number != 0) { |
377 ReadStringDescriptor( | 246 ReadStringDescriptor( |
378 device_handle, 0, 0, | 247 device_handle, 0, 0, |
379 base::Bind(&OnReadLanguageIds, device_handle, manufacturer, product, | 248 base::Bind(&OnReadLanguageIds, device_handle, manufacturer, product, |
380 serial_number, barrier)); | 249 serial_number, barrier)); |
381 } | 250 } |
382 | 251 |
383 if (read_bos_descriptors) { | 252 if (read_bos_descriptors) { |
384 ReadBosDescriptor(device_handle, barrier); | 253 ReadWebUsbDescriptors(device_handle, base::Bind(&OnReadBosDescriptor, |
| 254 device_handle, barrier)); |
385 } | 255 } |
386 } else { | 256 } else { |
387 failure_closure.Run(); | 257 failure_closure.Run(); |
388 } | 258 } |
389 } | 259 } |
390 | 260 |
391 #if defined(USE_UDEV) | 261 #if defined(USE_UDEV) |
392 | 262 |
393 void EnumerateUdevDevice(scoped_refptr<UsbDeviceImpl> device, | 263 void EnumerateUdevDevice(scoped_refptr<UsbDeviceImpl> device, |
394 bool read_bos_descriptors, | 264 bool read_bos_descriptors, |
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795 PlatformDeviceMap::iterator it = platform_devices_.find(platform_device); | 665 PlatformDeviceMap::iterator it = platform_devices_.find(platform_device); |
796 if (it != platform_devices_.end()) { | 666 if (it != platform_devices_.end()) { |
797 RemoveDevice(it->second); | 667 RemoveDevice(it->second); |
798 } else { | 668 } else { |
799 devices_being_enumerated_.erase(platform_device); | 669 devices_being_enumerated_.erase(platform_device); |
800 } | 670 } |
801 libusb_unref_device(platform_device); | 671 libusb_unref_device(platform_device); |
802 } | 672 } |
803 | 673 |
804 } // namespace device | 674 } // namespace device |
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