static usb_handle *find_usb_device(ifc_match_func callback) { usb_handle* handle = NULL; char entry_buffer[2048]; char interf_name[2048]; AdbInterfaceInfo* next_interface = (AdbInterfaceInfo*)(&entry_buffer[0]); unsigned long entry_buffer_size = sizeof(entry_buffer); char* copy_name; // Enumerate all present and active interfaces. ADBAPIHANDLE enum_handle = AdbEnumInterfaces(usb_class_id, true, true, true); if (NULL == enum_handle) return NULL; while (AdbNextInterface(enum_handle, next_interface, &entry_buffer_size)) { // TODO(vchtchetkine): FIXME - temp hack converting wchar_t into char. // It would be better to change AdbNextInterface so it will return // interface name as single char string. const wchar_t* wchar_name = next_interface->device_name; for(copy_name = interf_name; L'\0' != *wchar_name; wchar_name++, copy_name++) { *copy_name = (char)(*wchar_name); } *copy_name = '\0'; handle = do_usb_open(next_interface->device_name); if (NULL != handle) { // Lets see if this interface (device) belongs to us if (recognized_device(handle, callback)) { // found it! break; } else { usb_cleanup_handle(handle); free(handle); handle = NULL; } } entry_buffer_size = sizeof(entry_buffer); } AdbCloseHandle(enum_handle); return handle; }
void find_devices() { usb_handle* handle = NULL; char entry_buffer[2048]; char interf_name[2048]; AdbInterfaceInfo* next_interface = (AdbInterfaceInfo*)(&entry_buffer[0]); unsigned long entry_buffer_size = sizeof(entry_buffer); char* copy_name; // Enumerate all present and active interfaces. ADBAPIHANDLE enum_handle = bridge->AdbEnumInterfaces(usb_class_id, true, true, true); if (NULL == enum_handle) return; while (bridge->AdbNextInterface(enum_handle, next_interface, &entry_buffer_size)) { // TODO: FIXME - temp hack converting wchar_t into char. // It would be better to change AdbNextInterface so it will return // interface name as single char string. const wchar_t* wchar_name = next_interface->device_name; for(copy_name = interf_name; L'\0' != *wchar_name; wchar_name++, copy_name++) { *copy_name = (char)(*wchar_name); } *copy_name = '\0'; // Lets see if we already have this device in the list if (!known_device(interf_name)) { // This seems to be a new device. Open it! handle = do_usb_open(next_interface->device_name); if (NULL != handle) { // Lets see if this interface (device) belongs to us if (recognized_device(handle)) { D("adding a new device %s\n", interf_name); char serial_number[512]; unsigned long serial_number_len = sizeof(serial_number); if (bridge->AdbGetSerialNumber(handle->adb_interface, serial_number, &serial_number_len, true)) { // Lets make sure that we don't duplicate this device if (register_new_device(handle)) { register_usb_transport(handle, serial_number, NULL, 1); } else { D("register_new_device failed for %s\n", interf_name); usb_cleanup_handle(handle, bridge->AdbCloseHandle, "bridge4"); free(handle); } } else { D("cannot get serial number\n"); usb_cleanup_handle(handle, bridge->AdbCloseHandle, "bridge5"); free(handle); } } else { usb_cleanup_handle(handle, bridge->AdbCloseHandle, "bridge6"); free(handle); } } } entry_buffer_size = sizeof(entry_buffer); } bridge->AdbCloseHandle(enum_handle); }
void find_devices() { usb_handle* handle = nullptr; char entry_buffer[2048]; AdbInterfaceInfo* next_interface = (AdbInterfaceInfo*)(&entry_buffer[0]); unsigned long entry_buffer_size = sizeof(entry_buffer); // Enumerate all present and active interfaces. ADBAPIHANDLE enum_handle = AdbEnumInterfaces(usb_class_id, true, true, true); if (nullptr == enum_handle) { D("AdbEnumInterfaces failed: %s", android::base::SystemErrorCodeToString(GetLastError()).c_str()); return; } while (AdbNextInterface(enum_handle, next_interface, &entry_buffer_size)) { // Lets see if we already have this device in the list if (!known_device(next_interface->device_name)) { // This seems to be a new device. Open it! handle = do_usb_open(next_interface->device_name); if (nullptr != handle) { // Lets see if this interface (device) belongs to us if (recognized_device(handle)) { D("adding a new device %ls", next_interface->device_name); // We don't request a wchar_t string from AdbGetSerialNumber() because of a bug // in adb_winusb_interface.cpp:CopyMemory(buffer, ser_num->bString, // bytes_written) where the last parameter should be (str_len * // sizeof(wchar_t)). The bug reads 2 bytes past the end of a stack buffer in the // best case, and in the unlikely case of a long serial number, it will read 2 // bytes past the end of a heap allocation. This doesn't affect the resulting // string, but we should avoid the bad reads in the first place. char serial_number[512]; unsigned long serial_number_len = sizeof(serial_number); if (AdbGetSerialNumber(handle->adb_interface, serial_number, &serial_number_len, true)) { // Lets make sure that we don't duplicate this device if (register_new_device(handle)) { register_usb_transport(handle, serial_number, nullptr, 1); } else { D("register_new_device failed for %ls", next_interface->device_name); usb_cleanup_handle(handle); free(handle); } } else { D("cannot get serial number: %s", android::base::SystemErrorCodeToString(GetLastError()).c_str()); usb_cleanup_handle(handle); free(handle); } } else { usb_cleanup_handle(handle); free(handle); } } } entry_buffer_size = sizeof(entry_buffer); } if (GetLastError() != ERROR_NO_MORE_ITEMS) { // Only ERROR_NO_MORE_ITEMS is expected at the end of enumeration. D("AdbNextInterface failed: %s", android::base::SystemErrorCodeToString(GetLastError()).c_str()); } _adb_close_handle(enum_handle); }