mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-23 07:58:09 +00:00
127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
static void send_msg_success(usbd_device *dev) {
|
|
uint8_t response[64];
|
|
memzero(response, sizeof(response));
|
|
// response: Success message (id 2), payload len 0
|
|
memcpy(response,
|
|
// header
|
|
"?##"
|
|
// msg_id
|
|
"\x00\x02"
|
|
// msg_size
|
|
"\x00\x00\x00\x00",
|
|
9);
|
|
while (usbd_ep_write_packet(dev, ENDPOINT_ADDRESS_IN, response, 64) != 64) {
|
|
}
|
|
}
|
|
|
|
static void send_msg_failure(usbd_device *dev, uint8_t code) {
|
|
uint8_t response[64];
|
|
memzero(response, sizeof(response));
|
|
// response: Failure message (id 3), payload len 2
|
|
memcpy(response,
|
|
// header
|
|
"?##"
|
|
// msg_id
|
|
"\x00\x03"
|
|
// msg_size
|
|
"\x00\x00\x00\x02"
|
|
// code field id
|
|
"\x08",
|
|
10);
|
|
// assign code value
|
|
response[10] = code;
|
|
while (usbd_ep_write_packet(dev, ENDPOINT_ADDRESS_IN, response, 64) != 64) {
|
|
}
|
|
}
|
|
|
|
static void send_msg_features(usbd_device *dev) {
|
|
uint8_t response[64];
|
|
memzero(response, sizeof(response));
|
|
// response: Features message (id 17), payload len 26 / 41
|
|
// - vendor = "trezor.io"
|
|
// - major_version = VERSION_MAJOR
|
|
// - minor_version = VERSION_MINOR
|
|
// - patch_version = VERSION_PATCH
|
|
// - bootloader_mode = True
|
|
// - firmware_present = True/False
|
|
// - model = "1"
|
|
// ? fw_version_major = version_major
|
|
// ? fw_version_minor = version_minor
|
|
// ? fw_version_patch = version_patch
|
|
const bool firmware_present = firmware_present_new();
|
|
const image_header *current_hdr = (const image_header *)FLASH_FWHEADER_START;
|
|
uint32_t version = firmware_present ? current_hdr->version : 0;
|
|
|
|
// clang-format off
|
|
const uint8_t feature_bytes[] = {
|
|
0x0a, // vendor field
|
|
0x09, // vendor length
|
|
't', 'r', 'e', 'z', 'o', 'r', '.', 'i', 'o',
|
|
0x10, VERSION_MAJOR,
|
|
0x18, VERSION_MINOR,
|
|
0x20, VERSION_PATCH,
|
|
0x28, 0x01, // bootloader_mode
|
|
0x90, 0x01, // firmware_present field
|
|
firmware_present ? 0x01 : 0x00,
|
|
0xaa, 0x01, // model field
|
|
0x01, // model length
|
|
'1',
|
|
};
|
|
|
|
const uint8_t version_bytes[] = {
|
|
// fw_version_major
|
|
0xb0, 0x01, version & 0xff,
|
|
// fw_version_minor
|
|
0xb8, 0x01, (version >> 8) & 0xff,
|
|
// fw_version_patch
|
|
0xc0, 0x01, (version >> 16) & 0xff,
|
|
};
|
|
|
|
uint8_t header_bytes[] = {
|
|
// header
|
|
'?', '#', '#',
|
|
// msg_id
|
|
0x00, 0x11,
|
|
// msg_size
|
|
0x00, 0x00, 0x00, sizeof(feature_bytes) + (firmware_present ? sizeof(version_bytes) : 0),
|
|
};
|
|
// clang-format on
|
|
|
|
// Check that the response will fit into an USB packet, and also that the
|
|
// sizeof expression above fits into a single byte
|
|
_Static_assert(
|
|
sizeof(feature_bytes) + sizeof(version_bytes) + sizeof(header_bytes) <=
|
|
64,
|
|
"Features response too long");
|
|
|
|
memcpy(response, header_bytes, sizeof(header_bytes));
|
|
memcpy(response + sizeof(header_bytes), feature_bytes, sizeof(feature_bytes));
|
|
if (firmware_present) {
|
|
memcpy(response + sizeof(header_bytes) + sizeof(feature_bytes),
|
|
version_bytes, sizeof(version_bytes));
|
|
}
|
|
|
|
while (usbd_ep_write_packet(dev, ENDPOINT_ADDRESS_IN, response, 64) != 64) {
|
|
}
|
|
}
|
|
|
|
static void send_msg_buttonrequest_firmwarecheck(usbd_device *dev) {
|
|
uint8_t response[64];
|
|
memzero(response, sizeof(response));
|
|
// response: ButtonRequest message (id 26), payload len 2
|
|
// - code = ButtonRequest_FirmwareCheck (9)
|
|
memcpy(response,
|
|
// header
|
|
"?##"
|
|
// msg_id
|
|
"\x00\x1a"
|
|
// msg_size
|
|
"\x00\x00\x00\x02"
|
|
// data
|
|
"\x08"
|
|
"\x09",
|
|
11);
|
|
while (usbd_ep_write_packet(dev, ENDPOINT_ADDRESS_IN, response, 64) != 64) {
|
|
}
|
|
}
|