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libusb_udevice.c
1
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24
25#include <winpr/assert.h>
26#include <winpr/cast.h>
27#include <winpr/wtypes.h>
28#include <winpr/sysinfo.h>
29#include <winpr/collections.h>
30
31#include <errno.h>
32
33#include "libusb_udevice.h"
34#include "msusb.h"
35#include "../common/urbdrc_types.h"
36
37#define BASIC_STATE_FUNC_DEFINED(_arg, _type) \
38 static _type udev_get_##_arg(IUDEVICE* idev) \
39 { \
40 UDEVICE* pdev = (UDEVICE*)idev; \
41 return pdev->_arg; \
42 } \
43 static void udev_set_##_arg(IUDEVICE* idev, _type _t) \
44 { \
45 UDEVICE* pdev = (UDEVICE*)idev; \
46 pdev->_arg = _t; \
47 }
48
49#define BASIC_POINT_FUNC_DEFINED(_arg, _type) \
50 static _type udev_get_p_##_arg(IUDEVICE* idev) \
51 { \
52 UDEVICE* pdev = (UDEVICE*)idev; \
53 return pdev->_arg; \
54 } \
55 static void udev_set_p_##_arg(IUDEVICE* idev, _type _t) \
56 { \
57 UDEVICE* pdev = (UDEVICE*)idev; \
58 pdev->_arg = _t; \
59 }
60
61#define BASIC_STATE_FUNC_REGISTER(_arg, _dev) \
62 _dev->iface.get_##_arg = udev_get_##_arg; \
63 (_dev)->iface.set_##_arg = udev_set_##_arg
64
65#if LIBUSB_API_VERSION >= 0x01000103
66#define HAVE_STREAM_ID_API 1
67#endif
68
69typedef struct
70{
71 wStream* data;
72 BOOL noack;
73 UINT32 MessageId;
74 UINT32 StartFrame;
75 UINT32 ErrorCount;
76 IUDEVICE* idev;
77 UINT32 OutputBufferSize;
78 GENERIC_CHANNEL_CALLBACK* callback;
79 t_isoch_transfer_cb cb;
80 wArrayList* queue;
81#if !defined(HAVE_STREAM_ID_API)
82 UINT32 streamID;
83#endif
84} ASYNC_TRANSFER_USER_DATA;
85
86static void request_free(void* value);
87
88static struct libusb_transfer* list_contains(wArrayList* list, UINT32 streamID)
89{
90 size_t count = 0;
91 if (!list)
92 return nullptr;
93 count = ArrayList_Count(list);
94 for (size_t x = 0; x < count; x++)
95 {
96 struct libusb_transfer* transfer = ArrayList_GetItem(list, x);
97
98#if defined(HAVE_STREAM_ID_API)
99 const UINT32 currentID = libusb_transfer_get_stream_id(transfer);
100#else
101 const ASYNC_TRANSFER_USER_DATA* user_data = (ASYNC_TRANSFER_USER_DATA*)transfer->user_data;
102 const UINT32 currentID = user_data->streamID;
103#endif
104 if (currentID == streamID)
105 return transfer;
106 }
107 return nullptr;
108}
109
110static UINT32 stream_id_from_buffer(struct libusb_transfer* transfer)
111{
112 if (!transfer)
113 return 0;
114#if defined(HAVE_STREAM_ID_API)
115 return libusb_transfer_get_stream_id(transfer);
116#else
117 ASYNC_TRANSFER_USER_DATA* user_data = (ASYNC_TRANSFER_USER_DATA*)transfer->user_data;
118 if (!user_data)
119 return 0;
120 return user_data->streamID;
121#endif
122}
123
124static void set_stream_id_for_buffer(struct libusb_transfer* transfer, UINT32 streamID)
125{
126#if defined(HAVE_STREAM_ID_API)
127 libusb_transfer_set_stream_id(transfer, streamID);
128#else
129 ASYNC_TRANSFER_USER_DATA* user_data = (ASYNC_TRANSFER_USER_DATA*)transfer->user_data;
130 if (!user_data)
131 return;
132 user_data->streamID = streamID;
133#endif
134}
135
136WINPR_ATTR_FORMAT_ARG(3, 8)
137static BOOL log_libusb_result_(wLog* log, DWORD lvl, WINPR_FORMAT_ARG const char* fmt,
138 const char* fkt, const char* file, size_t line, int error, ...)
139{
140 WINPR_UNUSED(file);
141
142 if (error < 0)
143 {
144 char buffer[8192] = WINPR_C_ARRAY_INIT;
145 va_list ap = WINPR_C_ARRAY_INIT;
146 va_start(ap, error);
147 (void)vsnprintf(buffer, sizeof(buffer), fmt, ap);
148 va_end(ap);
149
150 WLog_Print(log, lvl, "[%s:%" PRIuz "]: %s: error %s[%d]", fkt, line, buffer,
151 libusb_error_name(error), error);
152 return TRUE;
153 }
154 return FALSE;
155}
156
157#define log_libusb_result(log, lvl, fmt, error, ...) \
158 log_libusb_result_((log), (lvl), (fmt), __func__, __FILE__, __LINE__, error, ##__VA_ARGS__)
159
160const char* usb_interface_class_to_string(uint8_t c_class)
161{
162 switch (c_class)
163 {
164 case LIBUSB_CLASS_PER_INTERFACE:
165 return "LIBUSB_CLASS_PER_INTERFACE";
166 case LIBUSB_CLASS_AUDIO:
167 return "LIBUSB_CLASS_AUDIO";
168 case LIBUSB_CLASS_COMM:
169 return "LIBUSB_CLASS_COMM";
170 case LIBUSB_CLASS_HID:
171 return "LIBUSB_CLASS_HID";
172 case LIBUSB_CLASS_PHYSICAL:
173 return "LIBUSB_CLASS_PHYSICAL";
174 case LIBUSB_CLASS_PRINTER:
175 return "LIBUSB_CLASS_PRINTER";
176 case LIBUSB_CLASS_IMAGE:
177 return "LIBUSB_CLASS_IMAGE";
178 case LIBUSB_CLASS_MASS_STORAGE:
179 return "LIBUSB_CLASS_MASS_STORAGE";
180 case LIBUSB_CLASS_HUB:
181 return "LIBUSB_CLASS_HUB";
182 case LIBUSB_CLASS_DATA:
183 return "LIBUSB_CLASS_DATA";
184 case LIBUSB_CLASS_SMART_CARD:
185 return "LIBUSB_CLASS_SMART_CARD";
186 case LIBUSB_CLASS_CONTENT_SECURITY:
187 return "LIBUSB_CLASS_CONTENT_SECURITY";
188 case LIBUSB_CLASS_VIDEO:
189 return "LIBUSB_CLASS_VIDEO";
190 case LIBUSB_CLASS_PERSONAL_HEALTHCARE:
191 return "LIBUSB_CLASS_PERSONAL_HEALTHCARE";
192 case LIBUSB_CLASS_DIAGNOSTIC_DEVICE:
193 return "LIBUSB_CLASS_DIAGNOSTIC_DEVICE";
194 case LIBUSB_CLASS_WIRELESS:
195 return "LIBUSB_CLASS_WIRELESS";
196 case LIBUSB_CLASS_APPLICATION:
197 return "LIBUSB_CLASS_APPLICATION";
198 case LIBUSB_CLASS_VENDOR_SPEC:
199 return "LIBUSB_CLASS_VENDOR_SPEC";
200 default:
201 return "UNKNOWN_DEVICE_CLASS";
202 }
203}
204
205static ASYNC_TRANSFER_USER_DATA* async_transfer_user_data_new(IUDEVICE* idev, UINT32 MessageId,
206 size_t offset, size_t BufferSize,
207 const BYTE* data, size_t packetSize,
208 BOOL NoAck, t_isoch_transfer_cb cb,
209 GENERIC_CHANNEL_CALLBACK* callback)
210{
211 ASYNC_TRANSFER_USER_DATA* user_data = nullptr;
212 UDEVICE* pdev = (UDEVICE*)idev;
213
214 if (BufferSize > UINT32_MAX)
215 return nullptr;
216
217 user_data = calloc(1, sizeof(ASYNC_TRANSFER_USER_DATA));
218 if (!user_data)
219 return nullptr;
220
221 user_data->data = Stream_New(nullptr, offset + BufferSize + packetSize);
222
223 if (!user_data->data)
224 {
225 free(user_data);
226 return nullptr;
227 }
228
229 Stream_Seek(user_data->data, offset); /* Skip header offset */
230 if (data)
231 memcpy(Stream_Pointer(user_data->data), data, BufferSize);
232 else
233 user_data->OutputBufferSize = (UINT32)BufferSize;
234
235 user_data->noack = NoAck;
236 user_data->cb = cb;
237 user_data->callback = callback;
238 user_data->idev = idev;
239 user_data->MessageId = MessageId;
240
241 user_data->queue = pdev->request_queue;
242
243 return user_data;
244}
245
246static void async_transfer_user_data_free(ASYNC_TRANSFER_USER_DATA* user_data)
247{
248 if (user_data)
249 {
250 Stream_Free(user_data->data, TRUE);
251 free(user_data);
252 }
253}
254
255static void LIBUSB_CALL func_iso_callback(struct libusb_transfer* transfer)
256{
257 ASYNC_TRANSFER_USER_DATA* user_data = (ASYNC_TRANSFER_USER_DATA*)transfer->user_data;
258 const UINT32 streamID = stream_id_from_buffer(transfer);
259 wArrayList* list = user_data->queue;
260
261 ArrayList_Lock(list);
262 switch (transfer->status)
263 {
264 case LIBUSB_TRANSFER_COMPLETED:
265 {
266 UINT32 index = 0;
267 BYTE* dataStart = Stream_Pointer(user_data->data);
268 if (!Stream_SetPosition(user_data->data,
269 40)) /* TS_URB_ISOCH_TRANSFER_RESULT IsoPacket offset */
270 break;
271
272 for (uint32_t i = 0; i < WINPR_ASSERTING_INT_CAST(uint32_t, transfer->num_iso_packets);
273 i++)
274 {
275 const UINT32 act_len = transfer->iso_packet_desc[i].actual_length;
276 Stream_Write_UINT32(user_data->data, index);
277 Stream_Write_UINT32(user_data->data, act_len);
278 Stream_Write_UINT32(user_data->data, transfer->iso_packet_desc[i].status);
279
280 if (transfer->iso_packet_desc[i].status != USBD_STATUS_SUCCESS)
281 user_data->ErrorCount++;
282 else
283 {
284 const unsigned char* packetBuffer =
285 libusb_get_iso_packet_buffer_simple(transfer, i);
286 BYTE* data = dataStart + index;
287
288 if (data != packetBuffer)
289 memmove(data, packetBuffer, act_len);
290
291 index += act_len;
292 }
293 }
294 }
295 /* fallthrough */
296 WINPR_FALLTHROUGH
297 case LIBUSB_TRANSFER_CANCELLED:
298 /* fallthrough */
299 WINPR_FALLTHROUGH
300 case LIBUSB_TRANSFER_TIMED_OUT:
301 /* fallthrough */
302 WINPR_FALLTHROUGH
303 case LIBUSB_TRANSFER_ERROR:
304 {
305 const UINT32 InterfaceId =
306 ((STREAM_ID_PROXY << 30) | user_data->idev->get_ReqCompletion(user_data->idev));
307
308 if (list_contains(list, streamID))
309 {
310 if (!user_data->noack)
311 {
312 const UINT32 RequestID = streamID & INTERFACE_ID_MASK;
313 user_data->cb(user_data->idev, user_data->callback, user_data->data,
314 InterfaceId, user_data->noack, user_data->MessageId, RequestID,
315 WINPR_ASSERTING_INT_CAST(uint32_t, transfer->num_iso_packets),
316 transfer->status, user_data->StartFrame, user_data->ErrorCount,
317 user_data->OutputBufferSize);
318 user_data->data = nullptr;
319 }
320 ArrayList_Remove(list, transfer);
321 }
322 }
323 break;
324 default:
325 break;
326 }
327 ArrayList_Unlock(list);
328}
329
330static const LIBUSB_ENDPOINT_DESCEIPTOR* func_get_ep_desc(LIBUSB_CONFIG_DESCRIPTOR* LibusbConfig,
331 MSUSB_CONFIG_DESCRIPTOR* MsConfig,
332 UINT32 EndpointAddress)
333{
334 MSUSB_INTERFACE_DESCRIPTOR** MsInterfaces = MsConfig->MsInterfaces;
335 const LIBUSB_INTERFACE* interface = LibusbConfig->interface;
336
337 for (UINT32 inum = 0; inum < MsConfig->NumInterfaces; inum++)
338 {
339 BYTE alt = MsInterfaces[inum]->AlternateSetting;
340 const LIBUSB_ENDPOINT_DESCEIPTOR* endpoint = interface[inum].altsetting[alt].endpoint;
341
342 for (UINT32 pnum = 0; pnum < MsInterfaces[inum]->NumberOfPipes; pnum++)
343 {
344 if (endpoint[pnum].bEndpointAddress == EndpointAddress)
345 {
346 return &endpoint[pnum];
347 }
348 }
349 }
350
351 return nullptr;
352}
353
354static void LIBUSB_CALL func_bulk_transfer_cb(struct libusb_transfer* transfer)
355{
356 ASYNC_TRANSFER_USER_DATA* user_data = nullptr;
357 uint32_t streamID = 0;
358 wArrayList* list = nullptr;
359
360 user_data = (ASYNC_TRANSFER_USER_DATA*)transfer->user_data;
361 if (!user_data)
362 {
363 WLog_ERR(TAG, "Invalid transfer->user_data!");
364 return;
365 }
366 list = user_data->queue;
367 ArrayList_Lock(list);
368 streamID = stream_id_from_buffer(transfer);
369
370 if (list_contains(list, streamID))
371 {
372 const UINT32 InterfaceId =
373 ((STREAM_ID_PROXY << 30) | user_data->idev->get_ReqCompletion(user_data->idev));
374 const UINT32 RequestID = streamID & INTERFACE_ID_MASK;
375
376 user_data->cb(user_data->idev, user_data->callback, user_data->data, InterfaceId,
377 user_data->noack, user_data->MessageId, RequestID,
378 WINPR_ASSERTING_INT_CAST(uint32_t, transfer->num_iso_packets),
379 transfer->status, user_data->StartFrame, user_data->ErrorCount,
380 WINPR_ASSERTING_INT_CAST(uint32_t, transfer->actual_length));
381 user_data->data = nullptr;
382 ArrayList_Remove(list, transfer);
383 }
384 ArrayList_Unlock(list);
385}
386
387static BOOL func_set_usbd_status(URBDRC_PLUGIN* urbdrc, UDEVICE* pdev, UINT32* status,
388 int err_result)
389{
390 if (!urbdrc || !status)
391 return FALSE;
392
393 switch (err_result)
394 {
395 case LIBUSB_SUCCESS:
396 *status = USBD_STATUS_SUCCESS;
397 break;
398
399 case LIBUSB_ERROR_IO:
400 *status = USBD_STATUS_STALL_PID;
401 break;
402
403 case LIBUSB_ERROR_INVALID_PARAM:
404 *status = USBD_STATUS_INVALID_PARAMETER;
405 break;
406
407 case LIBUSB_ERROR_ACCESS:
408 *status = USBD_STATUS_NOT_ACCESSED;
409 break;
410
411 case LIBUSB_ERROR_NO_DEVICE:
412 *status = USBD_STATUS_DEVICE_GONE;
413
414 if (pdev)
415 {
416 if (!(pdev->status & URBDRC_DEVICE_NOT_FOUND))
417 pdev->status |= URBDRC_DEVICE_NOT_FOUND;
418 }
419
420 break;
421
422 case LIBUSB_ERROR_NOT_FOUND:
423 *status = USBD_STATUS_STALL_PID;
424 break;
425
426 case LIBUSB_ERROR_BUSY:
427 *status = USBD_STATUS_STALL_PID;
428 break;
429
430 case LIBUSB_ERROR_TIMEOUT:
431 *status = USBD_STATUS_TIMEOUT;
432 break;
433
434 case LIBUSB_ERROR_OVERFLOW:
435 *status = USBD_STATUS_STALL_PID;
436 break;
437
438 case LIBUSB_ERROR_PIPE:
439 *status = USBD_STATUS_STALL_PID;
440 break;
441
442 case LIBUSB_ERROR_INTERRUPTED:
443 *status = USBD_STATUS_STALL_PID;
444 break;
445
446 case LIBUSB_ERROR_NO_MEM:
447 *status = USBD_STATUS_NO_MEMORY;
448 break;
449
450 case LIBUSB_ERROR_NOT_SUPPORTED:
451 *status = USBD_STATUS_NOT_SUPPORTED;
452 break;
453
454 case LIBUSB_ERROR_OTHER:
455 *status = USBD_STATUS_STALL_PID;
456 break;
457
458 default:
459 *status = USBD_STATUS_SUCCESS;
460 break;
461 }
462
463 return TRUE;
464}
465
466static int func_config_release_all_interface(URBDRC_PLUGIN* urbdrc,
467 LIBUSB_DEVICE_HANDLE* libusb_handle,
468 UINT32 NumInterfaces)
469{
470 if (NumInterfaces > INT32_MAX)
471 return -1;
472 for (INT32 i = 0; i < (INT32)NumInterfaces; i++)
473 {
474 int ret = libusb_release_interface(libusb_handle, i);
475
476 if (log_libusb_result(urbdrc->log, WLOG_WARN, "libusb_release_interface", ret))
477 return -1;
478 }
479
480 return 0;
481}
482
483static int func_claim_all_interface(URBDRC_PLUGIN* urbdrc, LIBUSB_DEVICE_HANDLE* libusb_handle,
484 int NumInterfaces)
485{
486 int ret = 0;
487
488 for (int i = 0; i < NumInterfaces; i++)
489 {
490 ret = libusb_claim_interface(libusb_handle, i);
491
492 if (log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_claim_interface", ret))
493 return -1;
494 }
495
496 return 0;
497}
498
499static LIBUSB_DEVICE* udev_get_libusb_dev(libusb_context* context, uint8_t bus_number,
500 uint8_t dev_number)
501{
502 LIBUSB_DEVICE** libusb_list = nullptr;
503 LIBUSB_DEVICE* device = nullptr;
504 const ssize_t total_device = libusb_get_device_list(context, &libusb_list);
505
506 for (ssize_t i = 0; i < total_device; i++)
507 {
508 LIBUSB_DEVICE* dev = libusb_list[i];
509 if ((bus_number == libusb_get_bus_number(dev)) &&
510 (dev_number == libusb_get_device_address(dev)))
511 device = dev;
512 else
513 libusb_unref_device(dev);
514 }
515
516 libusb_free_device_list(libusb_list, 0);
517 return device;
518}
519
520static LIBUSB_DEVICE_DESCRIPTOR* udev_new_descript(URBDRC_PLUGIN* urbdrc, LIBUSB_DEVICE* libusb_dev)
521{
522 int ret = 0;
523 LIBUSB_DEVICE_DESCRIPTOR* descriptor =
524 (LIBUSB_DEVICE_DESCRIPTOR*)calloc(1, sizeof(LIBUSB_DEVICE_DESCRIPTOR));
525 if (!descriptor)
526 return nullptr;
527 ret = libusb_get_device_descriptor(libusb_dev, descriptor);
528
529 if (log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_get_device_descriptor", ret))
530 {
531 free(descriptor);
532 return nullptr;
533 }
534
535 return descriptor;
536}
537
538static int libusb_udev_select_interface(IUDEVICE* idev, BYTE InterfaceNumber, BYTE AlternateSetting)
539{
540 UDEVICE* pdev = (UDEVICE*)idev;
541
542 if (!pdev || !pdev->urbdrc)
543 return -1;
544
545 URBDRC_PLUGIN* urbdrc = pdev->urbdrc;
546
547 const int error =
548 libusb_set_interface_alt_setting(pdev->libusb_handle, InterfaceNumber, AlternateSetting);
549
550 log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_set_interface_alt_setting", error);
551
552 return error;
553}
554
555static MSUSB_CONFIG_DESCRIPTOR*
556libusb_udev_complete_msconfig_setup(IUDEVICE* idev, MSUSB_CONFIG_DESCRIPTOR* MsConfig)
557{
558 UDEVICE* pdev = (UDEVICE*)idev;
559 UINT32 MsOutSize = 0;
560
561 if (!pdev || !pdev->LibusbConfig || !pdev->urbdrc || !MsConfig)
562 return nullptr;
563
564 URBDRC_PLUGIN* urbdrc = pdev->urbdrc;
565 LIBUSB_CONFIG_DESCRIPTOR* LibusbConfig = pdev->LibusbConfig;
566
567 if (LibusbConfig->bNumInterfaces != MsConfig->NumInterfaces)
568 {
569 WLog_Print(urbdrc->log, WLOG_ERROR,
570 "Select Configuration: Libusb NumberInterfaces(%" PRIu8 ") is different "
571 "with MsConfig NumberInterfaces(%" PRIu32 ")",
572 LibusbConfig->bNumInterfaces, MsConfig->NumInterfaces);
573 return nullptr;
574 }
575
576 /* replace MsPipes for libusb */
577 MSUSB_INTERFACE_DESCRIPTOR** MsInterfaces = MsConfig->MsInterfaces;
578
579 for (UINT32 inum = 0; inum < MsConfig->NumInterfaces; inum++)
580 {
581 MSUSB_INTERFACE_DESCRIPTOR* MsInterface = MsInterfaces[inum];
582 if (MsInterface->InterfaceNumber >= MsConfig->NumInterfaces)
583 {
584 WLog_Print(urbdrc->log, WLOG_ERROR,
585 "MSUSB_CONFIG_DESCRIPTOR::NumInterfaces (%" PRIu32
586 " <= MSUSB_INTERFACE_DESCRIPTOR::InterfaceNumber( %" PRIu8 ")",
587 MsConfig->NumInterfaces, MsInterface->InterfaceNumber);
588 return nullptr;
589 }
590
591 const LIBUSB_INTERFACE* LibusbInterface =
592 &LibusbConfig->interface[MsInterface->InterfaceNumber];
593 if (MsInterface->AlternateSetting >= LibusbInterface->num_altsetting)
594 {
595 WLog_Print(urbdrc->log, WLOG_ERROR,
596 "LIBUSB_INTERFACE::num_altsetting (%" PRId32
597 " <= MSUSB_INTERFACE_DESCRIPTOR::AlternateSetting( %" PRIu8 ")",
598 LibusbInterface->num_altsetting, MsInterface->AlternateSetting);
599 return nullptr;
600 }
601 }
602
603 for (UINT32 inum = 0; inum < MsConfig->NumInterfaces; inum++)
604 {
605 MSUSB_INTERFACE_DESCRIPTOR* MsInterface = MsInterfaces[inum];
606
607 /* get libusb's number of endpoints */
608 const LIBUSB_INTERFACE* LibusbInterface =
609 &LibusbConfig->interface[MsInterface->InterfaceNumber];
610 const LIBUSB_INTERFACE_DESCRIPTOR* LibusbAltsetting =
611 &LibusbInterface->altsetting[MsInterface->AlternateSetting];
612 const BYTE LibusbNumEndpoint = LibusbAltsetting->bNumEndpoints;
613 MSUSB_PIPE_DESCRIPTOR** t_MsPipes =
614 (MSUSB_PIPE_DESCRIPTOR**)calloc(LibusbNumEndpoint, sizeof(MSUSB_PIPE_DESCRIPTOR*));
615
616 for (UINT32 pnum = 0; pnum < LibusbNumEndpoint; pnum++)
617 {
618 MSUSB_PIPE_DESCRIPTOR* t_MsPipe =
619 (MSUSB_PIPE_DESCRIPTOR*)calloc(1, sizeof(MSUSB_PIPE_DESCRIPTOR));
620
621 if (pnum < MsInterface->NumberOfPipes && MsInterface->MsPipes)
622 {
623 MSUSB_PIPE_DESCRIPTOR* MsPipe = MsInterface->MsPipes[pnum];
624 t_MsPipe->MaximumPacketSize = MsPipe->MaximumPacketSize;
625 t_MsPipe->MaximumTransferSize = MsPipe->MaximumTransferSize;
626 t_MsPipe->PipeFlags = MsPipe->PipeFlags;
627 }
628 else
629 {
630 t_MsPipe->MaximumPacketSize = 0;
631 t_MsPipe->MaximumTransferSize = 0xffffffff;
632 t_MsPipe->PipeFlags = 0;
633 }
634
635 t_MsPipe->PipeHandle = 0;
636 t_MsPipe->bEndpointAddress = 0;
637 t_MsPipe->bInterval = 0;
638 t_MsPipe->PipeType = 0;
639 t_MsPipe->InitCompleted = 0;
640 t_MsPipes[pnum] = t_MsPipe;
641 }
642
643 msusb_mspipes_replace(MsInterface, t_MsPipes, LibusbNumEndpoint);
644 }
645
646 /* setup configuration */
647 MsOutSize = 8;
648 /* ConfigurationHandle: 4 bytes
649 * ---------------------------------------------------------------
650 * ||<<< 1 byte >>>|<<< 1 byte >>>|<<<<<<<<<< 2 byte >>>>>>>>>>>||
651 * || bus_number | dev_number | bConfigurationValue ||
652 * ---------------------------------------------------------------
653 * ***********************/
654 MsConfig->ConfigurationHandle = (uint32_t)MsConfig->bConfigurationValue |
655 ((uint32_t)pdev->bus_number << 24) |
656 (((uint32_t)pdev->dev_number << 16) & 0xFF0000);
657 MsInterfaces = MsConfig->MsInterfaces;
658
659 for (UINT32 inum = 0; inum < MsConfig->NumInterfaces; inum++)
660 {
661 MsOutSize += 16;
662 MSUSB_INTERFACE_DESCRIPTOR* MsInterface = MsInterfaces[inum];
663 /* get libusb's interface */
664 const LIBUSB_INTERFACE* LibusbInterface =
665 &LibusbConfig->interface[MsInterface->InterfaceNumber];
666 const LIBUSB_INTERFACE_DESCRIPTOR* LibusbAltsetting =
667 &LibusbInterface->altsetting[MsInterface->AlternateSetting];
668 /* InterfaceHandle: 4 bytes
669 * ---------------------------------------------------------------
670 * ||<<< 1 byte >>>|<<< 1 byte >>>|<<< 1 byte >>>|<<< 1 byte >>>||
671 * || bus_number | dev_number | altsetting | interfaceNum ||
672 * ---------------------------------------------------------------
673 * ***********************/
674 MsInterface->InterfaceHandle =
675 WINPR_ASSERTING_INT_CAST(UINT32, (LibusbAltsetting->bInterfaceNumber |
676 (LibusbAltsetting->bAlternateSetting << 8) |
677 (pdev->dev_number << 16) | (pdev->bus_number << 24)));
678 const size_t len = 16 + (MsInterface->NumberOfPipes * 20);
679 MsInterface->Length = WINPR_ASSERTING_INT_CAST(UINT16, len);
680 MsInterface->bInterfaceClass = LibusbAltsetting->bInterfaceClass;
681 MsInterface->bInterfaceSubClass = LibusbAltsetting->bInterfaceSubClass;
682 MsInterface->bInterfaceProtocol = LibusbAltsetting->bInterfaceProtocol;
683 MsInterface->InitCompleted = 1;
684 MSUSB_PIPE_DESCRIPTOR** MsPipes = MsInterface->MsPipes;
685 const BYTE LibusbNumEndpoint = LibusbAltsetting->bNumEndpoints;
686
687 for (UINT32 pnum = 0; pnum < LibusbNumEndpoint; pnum++)
688 {
689 MsOutSize += 20;
690
691 MSUSB_PIPE_DESCRIPTOR* MsPipe = MsPipes[pnum];
692 /* get libusb's endpoint */
693 const LIBUSB_ENDPOINT_DESCEIPTOR* LibusbEndpoint = &LibusbAltsetting->endpoint[pnum];
694 /* PipeHandle: 4 bytes
695 * ---------------------------------------------------------------
696 * ||<<< 1 byte >>>|<<< 1 byte >>>|<<<<<<<<<< 2 byte >>>>>>>>>>>||
697 * || bus_number | dev_number | bEndpointAddress ||
698 * ---------------------------------------------------------------
699 * ***********************/
700 MsPipe->PipeHandle = LibusbEndpoint->bEndpointAddress |
701 (((uint32_t)pdev->dev_number << 16) & 0xFF0000) |
702 (((uint32_t)pdev->bus_number << 24) & 0xFF000000);
703 /* count endpoint max packet size */
704 unsigned max = LibusbEndpoint->wMaxPacketSize & 0x07ff;
705 BYTE attr = LibusbEndpoint->bmAttributes;
706
707 if ((attr & 0x3) == 1 || (attr & 0x3) == 3)
708 {
709 max *= (1 + ((LibusbEndpoint->wMaxPacketSize >> 11) & 3));
710 }
711
712 MsPipe->MaximumPacketSize = WINPR_ASSERTING_INT_CAST(uint16_t, max);
713 MsPipe->bEndpointAddress = LibusbEndpoint->bEndpointAddress;
714 MsPipe->bInterval = LibusbEndpoint->bInterval;
715 MsPipe->PipeType = attr & 0x3;
716 MsPipe->InitCompleted = 1;
717 }
718 }
719
720 MsConfig->MsOutSize = WINPR_ASSERTING_INT_CAST(int, MsOutSize);
721 MsConfig->InitCompleted = 1;
722
723 /* replace device's MsConfig */
724 if (MsConfig != pdev->MsConfig)
725 {
726 msusb_msconfig_free(pdev->MsConfig);
727 pdev->MsConfig = MsConfig;
728 }
729
730 return MsConfig;
731}
732
733static int libusb_udev_select_configuration(IUDEVICE* idev, UINT32 bConfigurationValue)
734{
735 UDEVICE* pdev = (UDEVICE*)idev;
736 MSUSB_CONFIG_DESCRIPTOR* MsConfig = nullptr;
737 LIBUSB_DEVICE_HANDLE* libusb_handle = nullptr;
738 LIBUSB_DEVICE* libusb_dev = nullptr;
739 URBDRC_PLUGIN* urbdrc = nullptr;
740 LIBUSB_CONFIG_DESCRIPTOR** LibusbConfig = nullptr;
741 int ret = 0;
742
743 if (!pdev || !pdev->MsConfig || !pdev->LibusbConfig || !pdev->urbdrc)
744 return -1;
745
746 urbdrc = pdev->urbdrc;
747 MsConfig = pdev->MsConfig;
748 libusb_handle = pdev->libusb_handle;
749 libusb_dev = pdev->libusb_dev;
750 LibusbConfig = &pdev->LibusbConfig;
751
752 if (MsConfig->InitCompleted)
753 {
754 func_config_release_all_interface(pdev->urbdrc, libusb_handle,
755 (*LibusbConfig)->bNumInterfaces);
756 }
757
758 /* The configuration value -1 is mean to put the device in unconfigured state. */
759 if (bConfigurationValue == 0)
760 ret = libusb_set_configuration(libusb_handle, -1);
761 else
762 ret = libusb_set_configuration(libusb_handle,
763 WINPR_ASSERTING_INT_CAST(int, bConfigurationValue));
764
765 if (log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_set_configuration", ret))
766 {
767 func_claim_all_interface(urbdrc, libusb_handle, (*LibusbConfig)->bNumInterfaces);
768 return -1;
769 }
770 else
771 {
772 ret = libusb_get_active_config_descriptor(libusb_dev, LibusbConfig);
773
774 if (log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_set_configuration", ret))
775 {
776 func_claim_all_interface(urbdrc, libusb_handle, (*LibusbConfig)->bNumInterfaces);
777 return -1;
778 }
779 }
780
781 func_claim_all_interface(urbdrc, libusb_handle, (*LibusbConfig)->bNumInterfaces);
782 return 0;
783}
784
785static int libusb_udev_control_pipe_request(IUDEVICE* idev, WINPR_ATTR_UNUSED UINT32 RequestId,
786 UINT32 EndpointAddress, UINT32* UsbdStatus, int command)
787{
788 int error = 0;
789 UDEVICE* pdev = (UDEVICE*)idev;
790
791 WINPR_ASSERT(EndpointAddress <= UINT8_MAX);
792 /*
793 pdev->request_queue->register_request(pdev->request_queue, RequestId, nullptr, 0);
794 */
795 switch (command)
796 {
797 case PIPE_CANCEL:
799 idev->cancel_all_transfer_request(idev);
800 // dummy_wait_s_obj(1);
802 /*
803 uint8_t request_type, uint8_t bRequest,
804 */
805 error = libusb_control_transfer(pdev->libusb_handle,
806 (uint8_t)LIBUSB_ENDPOINT_OUT |
807 (uint8_t)LIBUSB_RECIPIENT_ENDPOINT,
808 LIBUSB_REQUEST_SET_FEATURE, ENDPOINT_HALT,
809 (uint16_t)EndpointAddress, nullptr, 0, 1000);
810 break;
811
812 case PIPE_RESET:
813 idev->cancel_all_transfer_request(idev);
814 error = libusb_clear_halt(pdev->libusb_handle, (uint8_t)EndpointAddress);
815 // func_set_usbd_status(pdev, UsbdStatus, error);
816 break;
817
818 default:
819 error = -0xff;
820 break;
821 }
822
823 *UsbdStatus = 0;
824 return error;
825}
826
827static UINT32 libusb_udev_control_query_device_text(IUDEVICE* idev, UINT32 TextType,
828 UINT16 LocaleId, UINT8* BufferSize,
829 BYTE* Buffer)
830{
831 UDEVICE* pdev = (UDEVICE*)idev;
832 LIBUSB_DEVICE_DESCRIPTOR* devDescriptor = nullptr;
833 const char strDesc[] = "Generic Usb String";
834 char deviceLocation[25] = WINPR_C_ARRAY_INIT;
835 BYTE bus_number = 0;
836 BYTE device_address = 0;
837 int ret = 0;
838 URBDRC_PLUGIN* urbdrc = nullptr;
839 WCHAR* text = (WCHAR*)Buffer;
840 BYTE slen = 0;
841 BYTE locale = 0;
842 const UINT8 inSize = *BufferSize;
843
844 *BufferSize = 0;
845 if (!pdev || !pdev->devDescriptor || !pdev->urbdrc)
846 return ERROR_INVALID_DATA;
847
848 urbdrc = pdev->urbdrc;
849 devDescriptor = pdev->devDescriptor;
850
851 switch (TextType)
852 {
853 case DeviceTextDescription:
854 {
855 BYTE data[0x100] = WINPR_C_ARRAY_INIT;
856 ret = libusb_get_string_descriptor(pdev->libusb_handle, devDescriptor->iProduct,
857 LocaleId, data, 0xFF);
858 /* The returned data in the buffer is:
859 * 1 byte length of following data
860 * 1 byte descriptor type, must be 0x03 for strings
861 * n WCHAR unicode string (of length / 2 characters) including '\0'
862 */
863 slen = data[0];
864 locale = data[1];
865
866 if ((ret <= 0) || (ret <= 4) || (slen <= 4) || (locale != LIBUSB_DT_STRING) ||
867 (ret > UINT8_MAX))
868 {
869 const char* msg = "SHORT_DESCRIPTOR";
870 if (ret < 0)
871 msg = libusb_error_name(ret);
872 WLog_Print(urbdrc->log, WLOG_DEBUG,
873 "libusb_get_string_descriptor: "
874 "%s [%d], iProduct: %" PRIu8 "!",
875 msg, ret, devDescriptor->iProduct);
876
877 size_t len = MIN(sizeof(strDesc), inSize);
878 for (size_t i = 0; i < len; i++)
879 text[i] = (WCHAR)strDesc[i];
880
881 *BufferSize = (BYTE)(len * sizeof(WCHAR));
882 }
883 else
884 {
885 size_t maxlen = inSize;
886 size_t len = 0;
887 if (inSize > sizeof(WCHAR))
888 {
889 maxlen -= sizeof(WCHAR);
890
891 /* ret and slen should be equals, but you never know creativity
892 * of device manufacturers...
893 * So also check the string length returned as server side does
894 * not honor strings with multi '\0' characters well.
895 */
896 const size_t rchar =
897 _wcsnlen((WCHAR*)&data[2], (sizeof(data) / sizeof(WCHAR)) - 1);
898 len = MIN((BYTE)ret - 2, slen);
899 len = MIN(len, rchar * sizeof(WCHAR));
900 len = MIN(len, maxlen);
901
902 memcpy(Buffer, &data[2], len);
903
904 /* Just as above, the returned WCHAR string should be '\0'
905 * terminated, but never trust hardware to conform to specs... */
906 if (Buffer[len] != '\0')
907 {
908 Buffer[len++] = '\0';
909 Buffer[len++] = '\0';
910 }
911 }
912 *BufferSize = (BYTE)len;
913 }
914 }
915 break;
916
917 case DeviceTextLocationInformation:
918 {
919 bus_number = libusb_get_bus_number(pdev->libusb_dev);
920 device_address = libusb_get_device_address(pdev->libusb_dev);
921 (void)sprintf_s(deviceLocation, sizeof(deviceLocation),
922 "Port_#%04" PRIu8 ".Hub_#%04" PRIu8 "", device_address, bus_number);
923
924 size_t len = strnlen(deviceLocation,
925 MIN(sizeof(deviceLocation), (inSize > 0) ? inSize - 1U : 0));
926 for (size_t i = 0; i < len; i++)
927 text[i] = (WCHAR)deviceLocation[i];
928 text[len++] = '\0';
929 *BufferSize = (UINT8)(len * sizeof(WCHAR));
930 }
931 break;
932
933 default:
934 WLog_Print(urbdrc->log, WLOG_DEBUG, "Query Text: unknown TextType %" PRIu32 "",
935 TextType);
936 return ERROR_INVALID_DATA;
937 }
938
939 return S_OK;
940}
941
942static int libusb_udev_os_feature_descriptor_request(IUDEVICE* idev,
943 WINPR_ATTR_UNUSED UINT32 RequestId,
944 BYTE Recipient, BYTE InterfaceNumber,
945 BYTE Ms_PageIndex, UINT16 Ms_featureDescIndex,
946 UINT32* UsbdStatus, UINT32* BufferSize,
947 BYTE* Buffer, UINT32 Timeout)
948{
949 UDEVICE* pdev = (UDEVICE*)idev;
950 BYTE ms_string_desc[0x13] = WINPR_C_ARRAY_INIT;
951 int error = 0;
952
953 WINPR_ASSERT(idev);
954 WINPR_ASSERT(UsbdStatus);
955 WINPR_ASSERT(BufferSize);
956 WINPR_ASSERT(*BufferSize <= UINT16_MAX);
957
958 /*
959 pdev->request_queue->register_request(pdev->request_queue, RequestId, nullptr, 0);
960 */
961 error = libusb_control_transfer(pdev->libusb_handle, LIBUSB_ENDPOINT_IN | Recipient,
962 LIBUSB_REQUEST_GET_DESCRIPTOR, 0x03ee, 0, ms_string_desc, 0x12,
963 Timeout);
964
965 log_libusb_result(pdev->urbdrc->log, WLOG_DEBUG, "libusb_control_transfer", error);
966
967 if (error > 0)
968 {
969 const BYTE bMS_Vendorcode = ms_string_desc[16];
971 error = libusb_control_transfer(
972 pdev->libusb_handle,
973 (uint8_t)LIBUSB_ENDPOINT_IN | (uint8_t)LIBUSB_REQUEST_TYPE_VENDOR | Recipient,
974 bMS_Vendorcode, (UINT16)((InterfaceNumber << 8) | Ms_PageIndex), Ms_featureDescIndex,
975 Buffer, (UINT16)*BufferSize, Timeout);
976 log_libusb_result(pdev->urbdrc->log, WLOG_DEBUG, "libusb_control_transfer", error);
977
978 if (error >= 0)
979 *BufferSize = (UINT32)error;
980 }
981
982 if (error < 0)
983 *UsbdStatus = USBD_STATUS_STALL_PID;
984 else
985 *UsbdStatus = USBD_STATUS_SUCCESS;
986
987 return ERROR_SUCCESS;
988}
989
990static int libusb_udev_query_device_descriptor(IUDEVICE* idev, int offset)
991{
992 UDEVICE* pdev = (UDEVICE*)idev;
993
994 switch (offset)
995 {
996 case B_LENGTH:
997 return pdev->devDescriptor->bLength;
998
999 case B_DESCRIPTOR_TYPE:
1000 return pdev->devDescriptor->bDescriptorType;
1001
1002 case BCD_USB:
1003 return pdev->devDescriptor->bcdUSB;
1004
1005 case B_DEVICE_CLASS:
1006 return pdev->devDescriptor->bDeviceClass;
1007
1008 case B_DEVICE_SUBCLASS:
1009 return pdev->devDescriptor->bDeviceSubClass;
1010
1011 case B_DEVICE_PROTOCOL:
1012 return pdev->devDescriptor->bDeviceProtocol;
1013
1014 case B_MAX_PACKET_SIZE0:
1015 return pdev->devDescriptor->bMaxPacketSize0;
1016
1017 case ID_VENDOR:
1018 return pdev->devDescriptor->idVendor;
1019
1020 case ID_PRODUCT:
1021 return pdev->devDescriptor->idProduct;
1022
1023 case BCD_DEVICE:
1024 return pdev->devDescriptor->bcdDevice;
1025
1026 case I_MANUFACTURER:
1027 return pdev->devDescriptor->iManufacturer;
1028
1029 case I_PRODUCT:
1030 return pdev->devDescriptor->iProduct;
1031
1032 case I_SERIAL_NUMBER:
1033 return pdev->devDescriptor->iSerialNumber;
1034
1035 case B_NUM_CONFIGURATIONS:
1036 return pdev->devDescriptor->bNumConfigurations;
1037
1038 default:
1039 return 0;
1040 }
1041}
1042
1043static BOOL libusb_udev_detach_kernel_driver(IUDEVICE* idev)
1044{
1045 int err = 0;
1046 UDEVICE* pdev = (UDEVICE*)idev;
1047 URBDRC_PLUGIN* urbdrc = nullptr;
1048
1049 if (!pdev || !pdev->LibusbConfig || !pdev->libusb_handle || !pdev->urbdrc)
1050 return FALSE;
1051
1052#ifdef _WIN32
1053 return TRUE;
1054#else
1055 urbdrc = pdev->urbdrc;
1056
1057 if ((pdev->status & URBDRC_DEVICE_DETACH_KERNEL) == 0)
1058 {
1059 for (int i = 0; i < pdev->LibusbConfig->bNumInterfaces; i++)
1060 {
1061 err = libusb_kernel_driver_active(pdev->libusb_handle, i);
1062 log_libusb_result(urbdrc->log, WLOG_DEBUG, "libusb_kernel_driver_active", err);
1063
1064 if (err)
1065 {
1066 err = libusb_detach_kernel_driver(pdev->libusb_handle, i);
1067 log_libusb_result(urbdrc->log, WLOG_DEBUG, "libusb_detach_kernel_driver", err);
1068 }
1069 }
1070
1071 pdev->status |= URBDRC_DEVICE_DETACH_KERNEL;
1072 }
1073
1074 return TRUE;
1075#endif
1076}
1077
1078static BOOL libusb_udev_attach_kernel_driver(IUDEVICE* idev)
1079{
1080 int err = 0;
1081 UDEVICE* pdev = (UDEVICE*)idev;
1082
1083 if (!pdev || !pdev->LibusbConfig || !pdev->libusb_handle || !pdev->urbdrc)
1084 return FALSE;
1085
1086 for (int i = 0; i < pdev->LibusbConfig->bNumInterfaces && err != LIBUSB_ERROR_NO_DEVICE; i++)
1087 {
1088 err = libusb_release_interface(pdev->libusb_handle, i);
1089
1090 log_libusb_result(pdev->urbdrc->log, WLOG_DEBUG, "libusb_release_interface", err);
1091
1092#ifndef _WIN32
1093 if (err != LIBUSB_ERROR_NO_DEVICE)
1094 {
1095 err = libusb_attach_kernel_driver(pdev->libusb_handle, i);
1096 log_libusb_result(pdev->urbdrc->log, WLOG_DEBUG, "libusb_attach_kernel_driver if=%d",
1097 err, i);
1098 }
1099#endif
1100 }
1101
1102 return TRUE;
1103}
1104
1105static int libusb_udev_is_composite_device(IUDEVICE* idev)
1106{
1107 UDEVICE* pdev = (UDEVICE*)idev;
1108 return pdev->isCompositeDevice;
1109}
1110
1111static int libusb_udev_is_exist(IUDEVICE* idev)
1112{
1113 UDEVICE* pdev = (UDEVICE*)idev;
1114 return (pdev->status & URBDRC_DEVICE_NOT_FOUND) ? 0 : 1;
1115}
1116
1117static int libusb_udev_is_channel_closed(IUDEVICE* idev)
1118{
1119 UDEVICE* pdev = (UDEVICE*)idev;
1120 IUDEVMAN* udevman = nullptr;
1121 if (!pdev || !pdev->urbdrc)
1122 return 1;
1123
1124 udevman = pdev->urbdrc->udevman;
1125 if (udevman)
1126 {
1127 if (udevman->status & URBDRC_DEVICE_CHANNEL_CLOSED)
1128 return 1;
1129 }
1130
1131 if (pdev->status & URBDRC_DEVICE_CHANNEL_CLOSED)
1132 return 1;
1133
1134 return 0;
1135}
1136
1137static int libusb_udev_is_already_send(IUDEVICE* idev)
1138{
1139 UDEVICE* pdev = (UDEVICE*)idev;
1140 return (pdev->status & URBDRC_DEVICE_ALREADY_SEND) ? 1 : 0;
1141}
1142
1143/* This is called from channel cleanup code.
1144 * Avoid double free, just remove the device and mark the channel closed. */
1145static void libusb_udev_mark_channel_closed(IUDEVICE* idev)
1146{
1147 UDEVICE* pdev = (UDEVICE*)idev;
1148 if (pdev && ((pdev->status & URBDRC_DEVICE_CHANNEL_CLOSED) == 0))
1149 {
1150 URBDRC_PLUGIN* urbdrc = pdev->urbdrc;
1151 const uint8_t busNr = idev->get_bus_number(idev);
1152 const uint8_t devNr = idev->get_dev_number(idev);
1153
1154 pdev->status |= URBDRC_DEVICE_CHANNEL_CLOSED;
1155 pdev->iface.cancel_all_transfer_request(&pdev->iface);
1156 if (!urbdrc->udevman->unregister_udevice(urbdrc->udevman, busNr, devNr))
1157 {
1158 WLog_Print(pdev->urbdrc->log, WLOG_WARN, "unregister_udevice failed for %d, %d", busNr,
1159 devNr);
1160 }
1161 }
1162}
1163
1164/* This is called by local events where the device is removed or in an error
1165 * state. Remove the device from redirection and close the channel. */
1166static void libusb_udev_channel_closed(IUDEVICE* idev)
1167{
1168 UDEVICE* pdev = (UDEVICE*)idev;
1169 if (pdev && ((pdev->status & URBDRC_DEVICE_CHANNEL_CLOSED) == 0))
1170 {
1171 URBDRC_PLUGIN* urbdrc = pdev->urbdrc;
1172 const uint8_t busNr = idev->get_bus_number(idev);
1173 const uint8_t devNr = idev->get_dev_number(idev);
1174 IWTSVirtualChannel* channel = nullptr;
1175
1176 if (pdev->channelManager)
1177 channel = IFCALLRESULT(nullptr, pdev->channelManager->FindChannelById,
1178 pdev->channelManager, pdev->channelID);
1179
1180 pdev->status |= URBDRC_DEVICE_CHANNEL_CLOSED;
1181
1182 if (channel)
1183 {
1184 const UINT rc = channel->Write(channel, 0, nullptr, nullptr);
1185 if (rc != CHANNEL_RC_OK)
1186 WLog_Print(urbdrc->log, WLOG_WARN, "channel->Write failed with %" PRIu32, rc);
1187 }
1188
1189 if (!urbdrc->udevman->unregister_udevice(urbdrc->udevman, busNr, devNr))
1190 WLog_Print(urbdrc->log, WLOG_WARN, "unregister_udevice failed for %d, %d", busNr,
1191 devNr);
1192 }
1193}
1194
1195static void libusb_udev_set_already_send(IUDEVICE* idev)
1196{
1197 UDEVICE* pdev = (UDEVICE*)idev;
1198 pdev->status |= URBDRC_DEVICE_ALREADY_SEND;
1199}
1200
1201static char* libusb_udev_get_path(IUDEVICE* idev)
1202{
1203 UDEVICE* pdev = (UDEVICE*)idev;
1204 return pdev->path;
1205}
1206
1207static int libusb_udev_query_device_port_status(IUDEVICE* idev, UINT32* UsbdStatus,
1208 UINT32* BufferSize, BYTE* Buffer)
1209{
1210 UDEVICE* pdev = (UDEVICE*)idev;
1211 int success = 0;
1212 int ret = 0;
1213 URBDRC_PLUGIN* urbdrc = nullptr;
1214
1215 if (!pdev || !pdev->urbdrc)
1216 return -1;
1217
1218 urbdrc = pdev->urbdrc;
1219
1220 if (pdev->hub_handle != nullptr)
1221 {
1222 ret = idev->control_transfer(
1223 idev, 0xffff, 0, 0,
1224 (uint8_t)LIBUSB_ENDPOINT_IN | (uint8_t)LIBUSB_REQUEST_TYPE_CLASS |
1225 (uint8_t)LIBUSB_RECIPIENT_OTHER,
1226 LIBUSB_REQUEST_GET_STATUS, 0, pdev->port_number, UsbdStatus, BufferSize, Buffer, 1000);
1227
1228 if (log_libusb_result(urbdrc->log, WLOG_DEBUG, "libusb_control_transfer", ret))
1229 *BufferSize = 0;
1230 else
1231 {
1232 WLog_Print(urbdrc->log, WLOG_DEBUG,
1233 "PORT STATUS:0x%02" PRIx8 "%02" PRIx8 "%02" PRIx8 "%02" PRIx8 "", Buffer[3],
1234 Buffer[2], Buffer[1], Buffer[0]);
1235 success = 1;
1236 }
1237 }
1238
1239 return success;
1240}
1241
1242static int libusb_udev_isoch_transfer(IUDEVICE* idev, GENERIC_CHANNEL_CALLBACK* callback,
1243 UINT32 MessageId, UINT32 RequestId, UINT32 EndpointAddress,
1244 WINPR_ATTR_UNUSED UINT32 TransferFlags, UINT32 StartFrame,
1245 UINT32 ErrorCount, BOOL NoAck,
1246 WINPR_ATTR_UNUSED const BYTE* packetDescriptorData,
1247 UINT32 NumberOfPackets, UINT32 BufferSize, const BYTE* Buffer,
1248 t_isoch_transfer_cb cb, UINT32 Timeout)
1249{
1250 int rc = 0;
1251 UINT32 iso_packet_size = 0;
1252 UDEVICE* pdev = (UDEVICE*)idev;
1253 ASYNC_TRANSFER_USER_DATA* user_data = nullptr;
1254 struct libusb_transfer* iso_transfer = nullptr;
1255 URBDRC_PLUGIN* urbdrc = nullptr;
1256 size_t outSize = (12ULL * NumberOfPackets);
1257 uint32_t streamID = 0x40000000 | RequestId;
1258
1259 if (!pdev || !pdev->urbdrc)
1260 return -1;
1261
1262 urbdrc = pdev->urbdrc;
1263 user_data = async_transfer_user_data_new(idev, MessageId, 48, BufferSize, Buffer,
1264 outSize + 1024, NoAck, cb, callback);
1265
1266 if (!user_data)
1267 return -1;
1268
1269 user_data->ErrorCount = ErrorCount;
1270 user_data->StartFrame = StartFrame;
1271
1272 if (!Buffer)
1273 Stream_Seek(user_data->data, (12ULL * NumberOfPackets));
1274
1275 if (NumberOfPackets > 0)
1276 {
1277 iso_packet_size = BufferSize / NumberOfPackets;
1278 iso_transfer = libusb_alloc_transfer((int)NumberOfPackets);
1279 }
1280
1281 if (iso_transfer == nullptr)
1282 {
1283 WLog_Print(urbdrc->log, WLOG_ERROR,
1284 "Error: libusb_alloc_transfer [NumberOfPackets=%" PRIu32 ", BufferSize=%" PRIu32
1285 " ]",
1286 NumberOfPackets, BufferSize);
1287 async_transfer_user_data_free(user_data);
1288 return -1;
1289 }
1290
1292 libusb_fill_iso_transfer(
1293 iso_transfer, pdev->libusb_handle, WINPR_ASSERTING_INT_CAST(uint8_t, EndpointAddress),
1294 Stream_Pointer(user_data->data), WINPR_ASSERTING_INT_CAST(int, BufferSize),
1295 WINPR_ASSERTING_INT_CAST(int, NumberOfPackets), func_iso_callback, user_data, Timeout);
1296 set_stream_id_for_buffer(iso_transfer, streamID);
1297 libusb_set_iso_packet_lengths(iso_transfer, iso_packet_size);
1298
1299 if (!ArrayList_Append(pdev->request_queue, iso_transfer))
1300 {
1301 WLog_Print(urbdrc->log, WLOG_WARN,
1302 "Failed to queue iso transfer, streamID %08" PRIx32 " already in use!",
1303 streamID);
1304 request_free(iso_transfer);
1305 return -1;
1306 }
1307 rc = libusb_submit_transfer(iso_transfer);
1308 if (log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_submit_transfer", rc))
1309 return -1;
1310 return rc;
1311}
1312
1313static BOOL libusb_udev_control_transfer(IUDEVICE* idev, WINPR_ATTR_UNUSED UINT32 RequestId,
1314 WINPR_ATTR_UNUSED UINT32 EndpointAddress,
1315 WINPR_ATTR_UNUSED UINT32 TransferFlags, BYTE bmRequestType,
1316 BYTE Request, UINT16 Value, UINT16 Index,
1317 UINT32* UrbdStatus, UINT32* BufferSize, BYTE* Buffer,
1318 UINT32 Timeout)
1319{
1320 int status = 0;
1321 UDEVICE* pdev = (UDEVICE*)idev;
1322
1323 WINPR_ASSERT(BufferSize);
1324 WINPR_ASSERT(*BufferSize <= UINT16_MAX);
1325
1326 if (!pdev || !pdev->urbdrc)
1327 return FALSE;
1328
1329 status = libusb_control_transfer(pdev->libusb_handle, bmRequestType, Request, Value, Index,
1330 Buffer, (UINT16)*BufferSize, Timeout);
1331
1332 if (status >= 0)
1333 *BufferSize = (UINT32)status;
1334 else
1335 log_libusb_result(pdev->urbdrc->log, WLOG_ERROR, "libusb_control_transfer", status);
1336
1337 if (!func_set_usbd_status(pdev->urbdrc, pdev, UrbdStatus, status))
1338 return FALSE;
1339
1340 return TRUE;
1341}
1342
1343static int libusb_udev_bulk_or_interrupt_transfer(IUDEVICE* idev,
1344 GENERIC_CHANNEL_CALLBACK* callback,
1345 UINT32 MessageId, UINT32 RequestId,
1346 UINT32 EndpointAddress, UINT32 TransferFlags,
1347 BOOL NoAck, UINT32 BufferSize, const BYTE* data,
1348 t_isoch_transfer_cb cb, UINT32 Timeout)
1349{
1350 int rc = 0;
1351 UINT32 transfer_type = 0;
1352 UDEVICE* pdev = (UDEVICE*)idev;
1353 const LIBUSB_ENDPOINT_DESCEIPTOR* ep_desc = nullptr;
1354 struct libusb_transfer* transfer = nullptr;
1355 URBDRC_PLUGIN* urbdrc = nullptr;
1356 ASYNC_TRANSFER_USER_DATA* user_data = nullptr;
1357 uint32_t streamID = 0x80000000 | RequestId;
1358
1359 if (!pdev || !pdev->LibusbConfig || !pdev->urbdrc)
1360 return -1;
1361
1362 urbdrc = pdev->urbdrc;
1363 user_data =
1364 async_transfer_user_data_new(idev, MessageId, 36, BufferSize, data, 0, NoAck, cb, callback);
1365
1366 if (!user_data)
1367 return -1;
1368
1369 /* alloc memory for urb transfer */
1370 transfer = libusb_alloc_transfer(0);
1371 if (!transfer)
1372 {
1373 async_transfer_user_data_free(user_data);
1374 return -1;
1375 }
1376 transfer->user_data = user_data;
1377
1378 ep_desc = func_get_ep_desc(pdev->LibusbConfig, pdev->MsConfig, EndpointAddress);
1379
1380 if (!ep_desc)
1381 {
1382 WLog_Print(urbdrc->log, WLOG_ERROR, "func_get_ep_desc: endpoint 0x%" PRIx32 " not found",
1383 EndpointAddress);
1384 request_free(transfer);
1385 return -1;
1386 }
1387
1388 transfer_type = (ep_desc->bmAttributes) & 0x3;
1389 WLog_Print(urbdrc->log, WLOG_DEBUG,
1390 "urb_bulk_or_interrupt_transfer: ep:0x%" PRIx32 " "
1391 "transfer_type %" PRIu32 " flag:%" PRIu32 " OutputBufferSize:0x%" PRIx32 "",
1392 EndpointAddress, transfer_type, TransferFlags, BufferSize);
1393
1394 switch (transfer_type)
1395 {
1396 case BULK_TRANSFER:
1398 libusb_fill_bulk_transfer(
1399 transfer, pdev->libusb_handle, WINPR_ASSERTING_INT_CAST(uint8_t, EndpointAddress),
1400 Stream_Pointer(user_data->data), WINPR_ASSERTING_INT_CAST(int, BufferSize),
1401 func_bulk_transfer_cb, user_data, Timeout);
1402 break;
1403
1404 case INTERRUPT_TRANSFER:
1406 libusb_fill_interrupt_transfer(
1407 transfer, pdev->libusb_handle, WINPR_ASSERTING_INT_CAST(uint8_t, EndpointAddress),
1408 Stream_Pointer(user_data->data), WINPR_ASSERTING_INT_CAST(int, BufferSize),
1409 func_bulk_transfer_cb, user_data, Timeout);
1410 break;
1411
1412 default:
1413 WLog_Print(urbdrc->log, WLOG_DEBUG,
1414 "urb_bulk_or_interrupt_transfer:"
1415 " other transfer type 0x%" PRIX32 "",
1416 transfer_type);
1417 request_free(transfer);
1418 return -1;
1419 }
1420
1421 set_stream_id_for_buffer(transfer, streamID);
1422
1423 if (!ArrayList_Append(pdev->request_queue, transfer))
1424 {
1425 WLog_Print(urbdrc->log, WLOG_WARN,
1426 "Failed to queue transfer, streamID %08" PRIx32 " already in use!", streamID);
1427 request_free(transfer);
1428 return -1;
1429 }
1430 rc = libusb_submit_transfer(transfer);
1431 if (log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_submit_transfer", rc))
1432 return -1;
1433 return rc;
1434}
1435
1436static int func_cancel_xact_request(URBDRC_PLUGIN* urbdrc, struct libusb_transfer* transfer)
1437{
1438 int status = 0;
1439
1440 if (!urbdrc || !transfer)
1441 return -1;
1442
1443 status = libusb_cancel_transfer(transfer);
1444
1445 if (log_libusb_result(urbdrc->log, WLOG_WARN, "libusb_cancel_transfer", status))
1446 {
1447 if (status == LIBUSB_ERROR_NOT_FOUND)
1448 return -1;
1449 }
1450 else
1451 return 1;
1452
1453 return 0;
1454}
1455
1456static void libusb_udev_cancel_all_transfer_request(IUDEVICE* idev)
1457{
1458 UDEVICE* pdev = (UDEVICE*)idev;
1459 size_t count = 0;
1460
1461 if (!pdev || !pdev->request_queue || !pdev->urbdrc)
1462 return;
1463
1464 ArrayList_Lock(pdev->request_queue);
1465 count = ArrayList_Count(pdev->request_queue);
1466
1467 for (size_t x = 0; x < count; x++)
1468 {
1469 struct libusb_transfer* transfer = ArrayList_GetItem(pdev->request_queue, x);
1470 func_cancel_xact_request(pdev->urbdrc, transfer);
1471 }
1472
1473 ArrayList_Unlock(pdev->request_queue);
1474}
1475
1476static int libusb_udev_cancel_transfer_request(IUDEVICE* idev, UINT32 RequestId)
1477{
1478 int rc = -1;
1479 UDEVICE* pdev = (UDEVICE*)idev;
1480 struct libusb_transfer* transfer = nullptr;
1481 uint32_t cancelID1 = 0x40000000 | RequestId;
1482 uint32_t cancelID2 = 0x80000000 | RequestId;
1483
1484 if (!idev || !pdev->urbdrc || !pdev->request_queue)
1485 return -1;
1486
1487 ArrayList_Lock(pdev->request_queue);
1488 transfer = list_contains(pdev->request_queue, cancelID1);
1489 if (!transfer)
1490 transfer = list_contains(pdev->request_queue, cancelID2);
1491
1492 if (transfer)
1493 {
1494 URBDRC_PLUGIN* urbdrc = pdev->urbdrc;
1495
1496 rc = func_cancel_xact_request(urbdrc, transfer);
1497 }
1498 ArrayList_Unlock(pdev->request_queue);
1499 return rc;
1500}
1501
1502BASIC_STATE_FUNC_DEFINED(channelManager, IWTSVirtualChannelManager*)
1503BASIC_STATE_FUNC_DEFINED(channelID, UINT32)
1504BASIC_STATE_FUNC_DEFINED(ReqCompletion, UINT32)
1505BASIC_STATE_FUNC_DEFINED(bus_number, BYTE)
1506BASIC_STATE_FUNC_DEFINED(dev_number, BYTE)
1507BASIC_STATE_FUNC_DEFINED(port_number, UINT8)
1508BASIC_STATE_FUNC_DEFINED(MsConfig, MSUSB_CONFIG_DESCRIPTOR*)
1509
1510BASIC_POINT_FUNC_DEFINED(udev, void*)
1511BASIC_POINT_FUNC_DEFINED(prev, void*)
1512BASIC_POINT_FUNC_DEFINED(next, void*)
1513
1514static UINT32 udev_get_UsbDevice(IUDEVICE* idev)
1515{
1516 UDEVICE* pdev = (UDEVICE*)idev;
1517
1518 if (!pdev)
1519 return 0;
1520
1521 return pdev->UsbDevice;
1522}
1523
1524static void udev_set_UsbDevice(IUDEVICE* idev, UINT32 val)
1525{
1526 UDEVICE* pdev = (UDEVICE*)idev;
1527
1528 if (!pdev)
1529 return;
1530
1531 pdev->UsbDevice = val;
1532}
1533
1534static void udev_free(IUDEVICE* idev)
1535{
1536 int rc = 0;
1537 UDEVICE* udev = (UDEVICE*)idev;
1538 URBDRC_PLUGIN* urbdrc = nullptr;
1539
1540 if (!idev || !udev->urbdrc)
1541 return;
1542
1543 urbdrc = udev->urbdrc;
1544
1545 libusb_udev_cancel_all_transfer_request(&udev->iface);
1546 if (udev->libusb_handle)
1547 {
1548 rc = libusb_reset_device(udev->libusb_handle);
1549
1550 log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_reset_device", rc);
1551 }
1552
1553 /* HACK: We need to wait until the cancel transfer has been processed by
1554 * poll_libusb_events
1555 */
1556 Sleep(100);
1557
1558 /* release all interface and attach kernel driver */
1559 if (!udev->iface.attach_kernel_driver(idev))
1560 WLog_Print(udev->urbdrc->log, WLOG_WARN, "attach_kernel_driver failed for device");
1561 ArrayList_Free(udev->request_queue);
1562 /* free the config descriptor that send from windows */
1563 msusb_msconfig_free(udev->MsConfig);
1564 libusb_unref_device(udev->libusb_dev);
1565 libusb_close(udev->libusb_handle);
1566 libusb_close(udev->hub_handle);
1567 free(udev->devDescriptor);
1568 free(idev);
1569}
1570
1571static void udev_load_interface(UDEVICE* pdev)
1572{
1573 WINPR_ASSERT(pdev);
1574
1575 /* load interface */
1576 /* Basic */
1577 BASIC_STATE_FUNC_REGISTER(channelManager, pdev);
1578 BASIC_STATE_FUNC_REGISTER(channelID, pdev);
1579 BASIC_STATE_FUNC_REGISTER(UsbDevice, pdev);
1580 BASIC_STATE_FUNC_REGISTER(ReqCompletion, pdev);
1581 BASIC_STATE_FUNC_REGISTER(bus_number, pdev);
1582 BASIC_STATE_FUNC_REGISTER(dev_number, pdev);
1583 BASIC_STATE_FUNC_REGISTER(port_number, pdev);
1584 BASIC_STATE_FUNC_REGISTER(MsConfig, pdev);
1585 BASIC_STATE_FUNC_REGISTER(p_udev, pdev);
1586 BASIC_STATE_FUNC_REGISTER(p_prev, pdev);
1587 BASIC_STATE_FUNC_REGISTER(p_next, pdev);
1588 pdev->iface.isCompositeDevice = libusb_udev_is_composite_device;
1589 pdev->iface.isExist = libusb_udev_is_exist;
1590 pdev->iface.isAlreadySend = libusb_udev_is_already_send;
1591 pdev->iface.isChannelClosed = libusb_udev_is_channel_closed;
1592 pdev->iface.setAlreadySend = libusb_udev_set_already_send;
1593 pdev->iface.setChannelClosed = libusb_udev_channel_closed;
1594 pdev->iface.markChannelClosed = libusb_udev_mark_channel_closed;
1595 pdev->iface.getPath = libusb_udev_get_path;
1596 /* Transfer */
1597 pdev->iface.isoch_transfer = libusb_udev_isoch_transfer;
1598 pdev->iface.control_transfer = libusb_udev_control_transfer;
1599 pdev->iface.bulk_or_interrupt_transfer = libusb_udev_bulk_or_interrupt_transfer;
1600 pdev->iface.select_interface = libusb_udev_select_interface;
1601 pdev->iface.select_configuration = libusb_udev_select_configuration;
1602 pdev->iface.complete_msconfig_setup = libusb_udev_complete_msconfig_setup;
1603 pdev->iface.control_pipe_request = libusb_udev_control_pipe_request;
1604 pdev->iface.control_query_device_text = libusb_udev_control_query_device_text;
1605 pdev->iface.os_feature_descriptor_request = libusb_udev_os_feature_descriptor_request;
1606 pdev->iface.cancel_all_transfer_request = libusb_udev_cancel_all_transfer_request;
1607 pdev->iface.cancel_transfer_request = libusb_udev_cancel_transfer_request;
1608 pdev->iface.query_device_descriptor = libusb_udev_query_device_descriptor;
1609 pdev->iface.detach_kernel_driver = libusb_udev_detach_kernel_driver;
1610 pdev->iface.attach_kernel_driver = libusb_udev_attach_kernel_driver;
1611 pdev->iface.query_device_port_status = libusb_udev_query_device_port_status;
1612 pdev->iface.free = udev_free;
1613}
1614
1615static int udev_get_device_handle(URBDRC_PLUGIN* urbdrc, libusb_context* ctx, UDEVICE* pdev,
1616 UINT16 bus_number, UINT16 dev_number)
1617{
1618 int error = -1;
1619 uint8_t port_numbers[16] = WINPR_C_ARRAY_INIT;
1620 LIBUSB_DEVICE** libusb_list = nullptr;
1621 const ssize_t total_device = libusb_get_device_list(ctx, &libusb_list);
1622
1623 WINPR_ASSERT(urbdrc);
1624
1625 /* Look for device. */
1626 for (ssize_t i = 0; i < total_device; i++)
1627 {
1628 LIBUSB_DEVICE* dev = libusb_list[i];
1629
1630 if ((bus_number != libusb_get_bus_number(dev)) ||
1631 (dev_number != libusb_get_device_address(dev)))
1632 libusb_unref_device(dev);
1633 else
1634 {
1635 error = libusb_open(dev, &pdev->libusb_handle);
1636
1637 if (log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_open", error))
1638 {
1639 libusb_unref_device(dev);
1640 continue;
1641 }
1642
1643 /* get port number */
1644 error = libusb_get_port_numbers(dev, port_numbers, sizeof(port_numbers));
1645 if (error < 1)
1646 {
1647 /* Prevent open hub, treat as error. */
1648 log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_get_port_numbers", error);
1649 libusb_unref_device(dev);
1650 continue;
1651 }
1652
1653 pdev->port_number = port_numbers[(error - 1)];
1654 error = 0;
1655 WLog_Print(urbdrc->log, WLOG_DEBUG, " Port: %" PRIu8, pdev->port_number);
1656 /* gen device path */
1657 (void)_snprintf(pdev->path, sizeof(pdev->path), "%" PRIu16 "-%d", bus_number,
1658 pdev->port_number);
1659
1660 WLog_Print(urbdrc->log, WLOG_DEBUG, " DevPath: %s", pdev->path);
1661 }
1662 }
1663 libusb_free_device_list(libusb_list, 0);
1664
1665 if (error < 0)
1666 return -1;
1667 return 0;
1668}
1669
1670static int udev_get_hub_handle(URBDRC_PLUGIN* urbdrc, libusb_context* ctx, UDEVICE* pdev,
1671 UINT16 bus_number, WINPR_ATTR_UNUSED UINT16 dev_number)
1672{
1673 int error = -1;
1674 LIBUSB_DEVICE** libusb_list = nullptr;
1675 LIBUSB_DEVICE_HANDLE* handle = nullptr;
1676 const ssize_t total_device = libusb_get_device_list(ctx, &libusb_list);
1677
1678 WINPR_ASSERT(urbdrc);
1679
1680 /* Look for device hub. */
1681 for (ssize_t i = 0; i < total_device; i++)
1682 {
1683 LIBUSB_DEVICE* dev = libusb_list[i];
1684
1685 if ((bus_number != libusb_get_bus_number(dev)) ||
1686 (1 != libusb_get_device_address(dev))) /* Root hub always first on bus. */
1687 libusb_unref_device(dev);
1688 else
1689 {
1690 WLog_Print(urbdrc->log, WLOG_DEBUG, " Open hub: %" PRIu16 "", bus_number);
1691 error = libusb_open(dev, &handle);
1692
1693 if (!log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_open", error))
1694 pdev->hub_handle = handle;
1695 else
1696 libusb_unref_device(dev);
1697 }
1698 }
1699
1700 libusb_free_device_list(libusb_list, 0);
1701
1702 if (error < 0)
1703 return -1;
1704
1705 return 0;
1706}
1707
1708static void request_free(void* value)
1709{
1710 ASYNC_TRANSFER_USER_DATA* user_data = nullptr;
1711 struct libusb_transfer* transfer = (struct libusb_transfer*)value;
1712 if (!transfer)
1713 return;
1714
1715 user_data = (ASYNC_TRANSFER_USER_DATA*)transfer->user_data;
1716 async_transfer_user_data_free(user_data);
1717 transfer->user_data = nullptr;
1718 libusb_free_transfer(transfer);
1719}
1720
1721static IUDEVICE* udev_init(URBDRC_PLUGIN* urbdrc, libusb_context* context, LIBUSB_DEVICE* device,
1722 BYTE bus_number, BYTE dev_number)
1723{
1724 UDEVICE* pdev = nullptr;
1725 int status = LIBUSB_ERROR_OTHER;
1726 LIBUSB_DEVICE_DESCRIPTOR* devDescriptor = nullptr;
1727 LIBUSB_CONFIG_DESCRIPTOR* config_temp = nullptr;
1728 LIBUSB_INTERFACE_DESCRIPTOR interface_temp;
1729
1730 WINPR_ASSERT(urbdrc);
1731
1732 pdev = (PUDEVICE)calloc(1, sizeof(UDEVICE));
1733
1734 if (!pdev)
1735 return nullptr;
1736
1737 pdev->urbdrc = urbdrc;
1738 udev_load_interface(pdev);
1739
1740 if (device)
1741 pdev->libusb_dev = device;
1742 else
1743 pdev->libusb_dev = udev_get_libusb_dev(context, bus_number, dev_number);
1744
1745 if (pdev->libusb_dev == nullptr)
1746 goto fail;
1747
1748 if (urbdrc->listener_callback)
1749 udev_set_channelManager(&pdev->iface, urbdrc->listener_callback->channel_mgr);
1750
1751 /* Get DEVICE handle */
1752 status = udev_get_device_handle(urbdrc, context, pdev, bus_number, dev_number);
1753 if (status != LIBUSB_SUCCESS)
1754 {
1755 struct libusb_device_descriptor desc;
1756 const uint8_t port = libusb_get_port_number(pdev->libusb_dev);
1757 libusb_get_device_descriptor(pdev->libusb_dev, &desc);
1758
1759 log_libusb_result(urbdrc->log, WLOG_ERROR,
1760 "libusb_open [b=0x%02X,p=0x%02X,a=0x%02X,VID=0x%04X,PID=0x%04X]", status,
1761 bus_number, port, dev_number, desc.idVendor, desc.idProduct);
1762 goto fail;
1763 }
1764
1765 /* Get HUB handle */
1766 status = udev_get_hub_handle(urbdrc, context, pdev, bus_number, dev_number);
1767
1768 if (status < 0)
1769 pdev->hub_handle = nullptr;
1770
1771 pdev->devDescriptor = udev_new_descript(urbdrc, pdev->libusb_dev);
1772
1773 if (!pdev->devDescriptor)
1774 goto fail;
1775
1776 status = libusb_get_active_config_descriptor(pdev->libusb_dev, &pdev->LibusbConfig);
1777
1778 if (status == LIBUSB_ERROR_NOT_FOUND)
1779 status = libusb_get_config_descriptor(pdev->libusb_dev, 0, &pdev->LibusbConfig);
1780
1781 if (status < 0)
1782 {
1783 log_libusb_result(urbdrc->log, WLOG_ERROR, "libusb_get_config_descriptor", status);
1784 goto fail;
1785 }
1786
1787 config_temp = pdev->LibusbConfig;
1788 /* get the first interface and first altsetting */
1789 interface_temp = config_temp->interface[0].altsetting[0];
1790 WLog_Print(urbdrc->log, WLOG_DEBUG,
1791 "Registered Device: Vid: 0x%04" PRIX16 " Pid: 0x%04" PRIX16 ""
1792 " InterfaceClass = %s",
1793 pdev->devDescriptor->idVendor, pdev->devDescriptor->idProduct,
1794 usb_interface_class_to_string(interface_temp.bInterfaceClass));
1795 /* Check composite device */
1796 devDescriptor = pdev->devDescriptor;
1797
1798 if ((devDescriptor->bNumConfigurations == 1) && (config_temp->bNumInterfaces > 1) &&
1799 (devDescriptor->bDeviceClass == LIBUSB_CLASS_PER_INTERFACE))
1800 {
1801 pdev->isCompositeDevice = 1;
1802 }
1803 else if ((devDescriptor->bDeviceClass == 0xef) &&
1804 (devDescriptor->bDeviceSubClass == LIBUSB_CLASS_COMM) &&
1805 (devDescriptor->bDeviceProtocol == 0x01))
1806 {
1807 pdev->isCompositeDevice = 1;
1808 }
1809 else
1810 pdev->isCompositeDevice = 0;
1811
1812 /* set device class to first interface class */
1813 devDescriptor->bDeviceClass = interface_temp.bInterfaceClass;
1814 devDescriptor->bDeviceSubClass = interface_temp.bInterfaceSubClass;
1815 devDescriptor->bDeviceProtocol = interface_temp.bInterfaceProtocol;
1816 /* initialize pdev */
1817 pdev->bus_number = bus_number;
1818 pdev->dev_number = dev_number;
1819 pdev->request_queue = ArrayList_New(TRUE);
1820
1821 if (!pdev->request_queue)
1822 goto fail;
1823
1824 ArrayList_Object(pdev->request_queue)->fnObjectFree = request_free;
1825
1826 /* set config of windows */
1827 pdev->MsConfig = msusb_msconfig_new();
1828
1829 if (!pdev->MsConfig)
1830 goto fail;
1831
1832 // deb_config_msg(pdev->libusb_dev, config_temp, devDescriptor->bNumConfigurations);
1833 return &pdev->iface;
1834fail:
1835 pdev->iface.free(&pdev->iface);
1836 return nullptr;
1837}
1838
1839size_t udev_new_by_id(URBDRC_PLUGIN* urbdrc, libusb_context* ctx, UINT16 idVendor, UINT16 idProduct,
1840 IUDEVICE*** devArray)
1841{
1842 WINPR_ASSERT(urbdrc);
1843 WINPR_ASSERT(devArray);
1844
1845 size_t num = 0;
1846 LIBUSB_DEVICE** libusb_list = nullptr;
1847
1848 *devArray = nullptr;
1849
1850 WLog_Print(urbdrc->log, WLOG_INFO, "VID: 0x%04" PRIX16 ", PID: 0x%04" PRIX16 "", idVendor,
1851 idProduct);
1852 const ssize_t total_device = libusb_get_device_list(ctx, &libusb_list);
1853 if (total_device < 0)
1854 {
1855 WLog_Print(urbdrc->log, WLOG_ERROR, "libusb_get_device_list -> [%" PRIdz "]", total_device);
1856 return 0;
1857 }
1858 if (total_device == 0)
1859 {
1860 WLog_Print(urbdrc->log, WLOG_WARN, "libusb_get_device_list -> [%" PRIdz "]", total_device);
1861 return 0;
1862 }
1863
1864 UDEVICE** array = (UDEVICE**)calloc((size_t)total_device, sizeof(UDEVICE*));
1865
1866 if (!array)
1867 goto fail;
1868
1869 for (ssize_t i = 0; i < total_device; i++)
1870 {
1871 LIBUSB_DEVICE* dev = libusb_list[i];
1872 LIBUSB_DEVICE_DESCRIPTOR* descriptor = udev_new_descript(urbdrc, dev);
1873
1874 if ((descriptor->idVendor == idVendor) && (descriptor->idProduct == idProduct))
1875 {
1876 const uint8_t nr = libusb_get_bus_number(dev);
1877 const uint8_t addr = libusb_get_device_address(dev);
1878 array[num] = (PUDEVICE)udev_init(urbdrc, ctx, dev, nr, addr);
1879
1880 if (array[num] != nullptr)
1881 num++;
1882 else
1883 {
1884 WLog_Print(urbdrc->log, WLOG_WARN,
1885 "udev_init(nr=%" PRIu8 ", addr=%" PRIu8 ") failed", nr, addr);
1886 }
1887 }
1888 else
1889 libusb_unref_device(dev);
1890
1891 free(descriptor);
1892 }
1893
1894fail:
1895 libusb_free_device_list(libusb_list, 0);
1896 *devArray = (IUDEVICE**)array;
1897 return num;
1898}
1899
1900IUDEVICE* udev_new_by_addr(URBDRC_PLUGIN* urbdrc, libusb_context* context, BYTE bus_number,
1901 BYTE dev_number)
1902{
1903 WLog_Print(urbdrc->log, WLOG_DEBUG, "bus:%d dev:%d", bus_number, dev_number);
1904 return udev_init(urbdrc, context, nullptr, bus_number, dev_number);
1905}
GENERIC_CHANNEL_CALLBACK
Definition include/freerdp/client/channels.h:35
MSUSB_CONFIG_DESCRIPTOR
Definition msusb.h:55
MSUSB_INTERFACE_DESCRIPTOR
Definition msusb.h:40
MSUSB_PIPE_DESCRIPTOR
Definition msusb.h:28
URBDRC_PLUGIN
Definition urbdrc_main.h:57
wObject::fnObjectFree
OBJECT_FREE_FN fnObjectFree
Definition collections.h:59