int recognized_device(usb_handle* handle, ifc_match_func callback) {
struct usb_ifc_info info;
USB_DEVICE_DESCRIPTOR device_desc;
USB_INTERFACE_DESCRIPTOR interf_desc;
if (NULL == handle)
return 0;
// Check vendor and product id first
if (!AdbGetUsbDeviceDescriptor(handle->adb_interface,
&device_desc)) {
return 0;
}
// Then check interface properties
if (!AdbGetUsbInterfaceDescriptor(handle->adb_interface,
&interf_desc)) {
return 0;
}
// Must have two endpoints
if (2 != interf_desc.bNumEndpoints) {
return 0;
}
info.dev_vendor = device_desc.idVendor;
info.dev_product = device_desc.idProduct;
info.dev_class = device_desc.bDeviceClass;
info.dev_subclass = device_desc.bDeviceSubClass;
info.dev_protocol = device_desc.bDeviceProtocol;
info.ifc_class = interf_desc.bInterfaceClass;
info.ifc_subclass = interf_desc.bInterfaceSubClass;
info.ifc_protocol = interf_desc.bInterfaceProtocol;
info.writable = 1;
// read serial number (if there is one)
unsigned long serial_number_len = sizeof(info.serial_number);
if (!AdbGetSerialNumber(handle->adb_interface, info.serial_number,
&serial_number_len, true)) {
info.serial_number[0] = 0;
}
info.device_path[0] = 0;
if (callback(&info) == 0) {
return 1;
}
return 0;
}
bool DeviceHandShake(ADBAPIHANDLE adb_interface) {
// Get interface name
char interf_name[512];
unsigned long name_size = sizeof(interf_name);
if (!AdbGetInterfaceName(adb_interface, interf_name, &name_size, true)) {
printf("\nDeviceHandShake: AdbGetInterfaceName returned error %u",
GetLastError());
return false;
}
printf("\n\nDeviceHandShake on %s", interf_name);
char* ser_num = NULL;
name_size = 0;
if (!AdbGetSerialNumber(adb_interface, ser_num, &name_size, true)) {
ser_num = reinterpret_cast<char*>(malloc(name_size));
if (NULL != ser_num) {
if (!AdbGetSerialNumber(adb_interface, ser_num, &name_size, true)) {
printf("\n AdbGetSerialNumber returned error %u", GetLastError());
AdbCloseHandle(adb_interface);
return false;
}
printf("\nInterface serial number is %s", ser_num);
free(ser_num);
}
}
// Get default read endpoint
ADBAPIHANDLE adb_read = AdbOpenDefaultBulkReadEndpoint(adb_interface,
AdbOpenAccessTypeReadWrite,
AdbOpenSharingModeReadWrite);
if (NULL == adb_read) {
printf("\n AdbOpenDefaultBulkReadEndpoint returned error %u", GetLastError());
return false;
}
// Get default write endpoint
ADBAPIHANDLE adb_write = AdbOpenDefaultBulkWriteEndpoint(adb_interface,
AdbOpenAccessTypeReadWrite,
AdbOpenSharingModeReadWrite);
if (NULL == adb_write) {
printf("\n AdbOpenDefaultBulkWriteEndpoint returned error %u", GetLastError());
AdbCloseHandle(adb_read);
return false;
}
// Send connect message
message msg_send;
msg_send.command = A_CNXN;
msg_send.arg0 = A_VERSION;
msg_send.arg1 = MAX_PAYLOAD;
msg_send.data_length = 0;
msg_send.data_crc32 = 0;
msg_send.magic = msg_send.command ^ 0xffffffff;
ULONG written_bytes = 0;
bool write_res = AdbWriteEndpointSync(adb_write, &msg_send, sizeof(msg_send), &written_bytes, 500);
if (!write_res) {
printf("\n AdbWriteEndpointSync returned error %u", GetLastError());
AdbCloseHandle(adb_write);
AdbCloseHandle(adb_read);
return false;
}
// Receive handshake
message msg_rcv;
ULONG read_bytes = 0;
bool read_res = AdbReadEndpointSync(adb_read, &msg_rcv, sizeof(msg_rcv), &read_bytes, 512);
if (!read_res) {
printf("\n AdbReadEndpointSync returned error %u", GetLastError());
AdbCloseHandle(adb_write);
AdbCloseHandle(adb_read);
return false;
}
printf("\n Read handshake: %u bytes received", read_bytes);
char* cmd_ansi = reinterpret_cast<char*>(&msg_rcv.command);
printf("\n command = %08X (%c%c%c%c)", msg_rcv.command,
cmd_ansi[0], cmd_ansi[1], cmd_ansi[2], cmd_ansi[3]);
printf("\n arg0 = %08X", msg_rcv.arg0);
printf("\n arg1 = %08X", msg_rcv.arg1);
printf("\n data_length = %u", msg_rcv.data_length);
printf("\n data_crc32 = %08X", msg_rcv.data_crc32);
printf("\n magic = %08X", msg_rcv.magic);
if (0 != msg_rcv.data_length) {
char* buf = reinterpret_cast<char*>(malloc(msg_rcv.data_length));
read_res = AdbReadEndpointSync(adb_read, buf, msg_rcv.data_length, &read_bytes, 512);
if (!read_res) {
printf("\n AdbReadEndpointSync (data) returned error %u", GetLastError());
free(buf);
AdbCloseHandle(adb_write);
AdbCloseHandle(adb_read);
return false;
}
for (ULONG n = 0; n < read_bytes; n++) {
if (0 == (n % 16))
printf("\n ");
printf("%02X ", buf[n]);
}
printf("\n %s", buf);
delete buf;
}
AdbCloseHandle(adb_write);
AdbCloseHandle(adb_read);
return true;
}
bool TestInterfaceHandle(ADBAPIHANDLE interface_handle) {
// Get interface name.
char intr_name[4096];
unsigned long intr_name_size = sizeof(intr_name);
if (AdbGetInterfaceName(interface_handle, intr_name, &intr_name_size, true)) {
printf("\n+++ Interface name %s", intr_name);
} else {
printf("\n--- AdbGetInterfaceName failure %u", GetLastError());
return false;
}
// Get device descriptor for the interface
USB_DEVICE_DESCRIPTOR dev_desc;
if (AdbGetUsbDeviceDescriptor(interface_handle, &dev_desc)) {
printf("\n+++ Device descriptor:");
printf("\n bLength = %u", dev_desc.bLength);
printf("\n bDescriptorType = %u", dev_desc.bDescriptorType);
printf("\n bcdUSB = %u", dev_desc.bcdUSB);
printf("\n bDeviceClass = %u", dev_desc.bDeviceClass);
printf("\n bDeviceSubClass = %u", dev_desc.bDeviceSubClass);
printf("\n bDeviceProtocol = %u", dev_desc.bDeviceProtocol);
printf("\n bMaxPacketSize0 = %u", dev_desc.bMaxPacketSize0);
printf("\n idVendor = %X", dev_desc.idVendor);
printf("\n idProduct = %X", dev_desc.idProduct);
printf("\n bcdDevice = %u", dev_desc.bcdDevice);
printf("\n iManufacturer = %u", dev_desc.iManufacturer);
printf("\n iProduct = %u", dev_desc.iProduct);
printf("\n iSerialNumber = %u", dev_desc.iSerialNumber);
printf("\n bNumConfigurations = %u", dev_desc.bDescriptorType);
} else {
printf("\n--- AdbGetUsbDeviceDescriptor failure %u", GetLastError());
return false;
}
// Get configuration descriptor for the interface
USB_CONFIGURATION_DESCRIPTOR config_desc;
if (AdbGetUsbConfigurationDescriptor(interface_handle, &config_desc)) {
printf("\n+++ Configuration descriptor:");
printf("\n bLength = %u", config_desc.bLength);
printf("\n bDescriptorType = %u", config_desc.bDescriptorType);
printf("\n wTotalLength = %u", config_desc.wTotalLength);
printf("\n bNumInterfaces = %u", config_desc.bNumInterfaces);
printf("\n bConfigurationValue = %u", config_desc.bConfigurationValue);
printf("\n iConfiguration = %u", config_desc.iConfiguration);
printf("\n bmAttributes = %u", config_desc.bmAttributes);
printf("\n MaxPower = %u", config_desc.MaxPower);
} else {
printf("\n--- AdbGetUsbConfigurationDescriptor failure %u", GetLastError());
return false;
}
// Get device serial number
char ser_num[1024];
unsigned long ser_num_size = sizeof(ser_num);
if (AdbGetSerialNumber(interface_handle, ser_num, &ser_num_size, true)) {
printf("\n+++ Serial number: %s", ser_num);
} else {
printf("\n--- AdbGetSerialNumber failure %u", GetLastError());
return false;
}
// Get interface descriptor
USB_INTERFACE_DESCRIPTOR intr_desc;
if (AdbGetUsbInterfaceDescriptor(interface_handle, &intr_desc)) {
printf("\n+++ Interface descriptor:");
printf("\n bDescriptorType = %u", intr_desc.bDescriptorType);
printf("\n bInterfaceNumber = %u", intr_desc.bInterfaceNumber);
printf("\n bAlternateSetting = %u", intr_desc.bAlternateSetting);
printf("\n bNumEndpoints = %u", intr_desc.bNumEndpoints);
printf("\n bInterfaceClass = %u", intr_desc.bInterfaceClass);
printf("\n bInterfaceSubClass = %u", intr_desc.bInterfaceSubClass);
printf("\n bInterfaceProtocol = %u", intr_desc.bInterfaceProtocol);
printf("\n iInterface = %u", intr_desc.iInterface);
} else {
printf("\n--- AdbGetUsbInterfaceDescriptor failure %u", GetLastError());
return false;
}
// Enumerate interface's endpoints
AdbEndpointInformation pipe_info;
for (UCHAR pipe = 0; pipe < intr_desc.bNumEndpoints; pipe++) {
if (AdbGetEndpointInformation(interface_handle, pipe, &pipe_info)) {
printf("\n PIPE %u info:", pipe);
printf("\n max_packet_size = %u", pipe_info.max_packet_size);
printf("\n max_transfer_size = %u", pipe_info.max_transfer_size);
printf("\n endpoint_type = %u", pipe_info.endpoint_type);
printf("\n endpoint_address = %02X", pipe_info.endpoint_address);
printf("\n polling_interval = %u", pipe_info.polling_interval);
printf("\n setting_index = %u", pipe_info.setting_index);
} else {
printf("\n--- AdbGetEndpointInformation(%u) failure %u", pipe, GetLastError());
return false;
}
}
// Get default bulk read endpoint info
if (AdbGetDefaultBulkReadEndpointInformation(interface_handle, &pipe_info)) {
printf("\n Default Bulk Read Pipe info:");
printf("\n max_packet_size = %u", pipe_info.max_packet_size);
printf("\n max_transfer_size = %u", pipe_info.max_transfer_size);
printf("\n endpoint_type = %u", pipe_info.endpoint_type);
printf("\n endpoint_address = %02X", pipe_info.endpoint_address);
printf("\n polling_interval = %u", pipe_info.polling_interval);
printf("\n setting_index = %u", pipe_info.setting_index);
} else {
printf("\n--- AdbGetDefaultBulkReadEndpointInformation failure %u", GetLastError());
return false;
}
// Get default bulk write endpoint info
if (AdbGetDefaultBulkWriteEndpointInformation(interface_handle, &pipe_info)) {
printf("\n Default Bulk Write Pipe info:");
printf("\n max_packet_size = %u", pipe_info.max_packet_size);
printf("\n max_transfer_size = %u", pipe_info.max_transfer_size);
printf("\n endpoint_type = %u", pipe_info.endpoint_type);
printf("\n endpoint_address = %02X", pipe_info.endpoint_address);
printf("\n polling_interval = %u", pipe_info.polling_interval);
printf("\n setting_index = %u", pipe_info.setting_index);
} else {
printf("\n--- AdbGetDefaultBulkWriteEndpointInformation failure %u", GetLastError());
return false;
}
// Test a handshake on that interface
DeviceHandShake(interface_handle);
return true;
}
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);
}