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fwupd/plugins/logitech-bulkcontroller/fu-logitech-bulkcontroller-device.c

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/*
* Copyright (c) 1999-2021 Logitech, Inc.
* Copyright (C) 2021 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include <fwupdplugin.h>
#include <json-glib/json-glib.h>
#include <string.h>
#include "fu-logitech-bulkcontroller-common.h"
#include "fu-logitech-bulkcontroller-device.h"
/* SYNC interface follows TLSV (Type, Length, SequenceID, Value) protocol */
/* UPD interface follows TLV (Type, Length, Value) protocol */
/* Payload size limited to 8k for both interfaces */
#define UPD_PACKET_HEADER_SIZE (2 * sizeof(guint32))
#define SYNC_PACKET_HEADER_SIZE (3 * sizeof(guint32))
#define WRITE_TIME_OUT 100
#define HASH_TIMEOUT 30000
#define MAX_DATA_SIZE 8192 /* 8k */
#define PAYLOAD_SIZE MAX_DATA_SIZE - UPD_PACKET_HEADER_SIZE
#define UPD_INTERFACE_SUBPROTOCOL_ID 117
#define SYNC_INTERFACE_SUBPROTOCOL_ID 118
#define BULK_TRANSFER_TIMEOUT 1000
#define HASH_VALUE_SIZE 16
#define LENGTH_OFFSET 0x4
#define COMMAND_OFFSET 0x0
#define SYNC_ACK_PAYLOAD_LENGTH 5
enum { SHA_256, SHA_512, MD5 };
enum { EP_OUT, EP_IN, EP_LAST };
enum { BULK_INTERFACE_UPD, BULK_INTERFACE_SYNC };
typedef enum {
CMD_CHECK_BUFFERSIZE = 0xCC00,
CMD_INIT = 0xCC01,
CMD_START_TRANSFER = 0xCC02,
CMD_DATA_TRANSFER = 0xCC03,
CMD_END_TRANSFER = 0xCC04,
CMD_UNINIT = 0xCC05,
CMD_BUFFER_READ = 0xCC06,
CMD_BUFFER_WRITE = 0xCC07,
CMD_UNINIT_BUFFER = 0xCC08,
CMD_ACK = 0xFF01,
CMD_TIMEOUT = 0xFF02,
CMD_NACK = 0xFF03
} UsbCommands;
struct _FuLogitechBulkcontrollerDevice {
FuUsbDevice parent_instance;
guint sync_ep[EP_LAST];
guint update_ep[EP_LAST];
guint sync_iface;
guint update_iface;
FuLogitechBulkcontrollerDeviceStatus status;
FuLogitechBulkcontrollerDeviceUpdateState update_status;
};
G_DEFINE_TYPE(FuLogitechBulkcontrollerDevice, fu_logitech_bulkcontroller_device, FU_TYPE_USB_DEVICE)
static void
fu_logitech_bulkcontroller_device_to_string(FuDevice *device, guint idt, GString *str)
{
FuLogitechBulkcontrollerDevice *self = FU_LOGITECH_BULKCONTROLLER_DEVICE(device);
fu_common_string_append_kx(str, idt, "SyncIface", self->sync_iface);
fu_common_string_append_kx(str, idt, "UpdateIface", self->update_iface);
fu_common_string_append_kv(
str,
idt,
"Status",
fu_logitech_bulkcontroller_device_status_to_string(self->status));
fu_common_string_append_kv(
str,
idt,
"UpdateState",
fu_logitech_bulkcontroller_device_update_state_to_string(self->update_status));
}
static gboolean
fu_logitech_bulkcontroller_device_probe(FuDevice *device, GError **error)
{
FuLogitechBulkcontrollerDevice *self = FU_LOGITECH_BULKCONTROLLER_DEVICE(device);
g_autoptr(GPtrArray) intfs = NULL;
intfs = g_usb_device_get_interfaces(fu_usb_device_get_dev(FU_USB_DEVICE(self)), error);
if (intfs == NULL)
return FALSE;
for (guint i = 0; i < intfs->len; i++) {
GUsbInterface *intf = g_ptr_array_index(intfs, i);
if (g_usb_interface_get_class(intf) == G_USB_DEVICE_CLASS_VENDOR_SPECIFIC &&
g_usb_interface_get_protocol(intf) == 0x1) {
if (g_usb_interface_get_subclass(intf) == SYNC_INTERFACE_SUBPROTOCOL_ID) {
g_autoptr(GPtrArray) endpoints =
g_usb_interface_get_endpoints(intf);
self->sync_iface = g_usb_interface_get_number(intf);
if (endpoints == NULL)
continue;
for (guint j = 0; j < endpoints->len; j++) {
GUsbEndpoint *ep = g_ptr_array_index(endpoints, j);
if (j == EP_OUT)
self->sync_ep[EP_OUT] =
g_usb_endpoint_get_address(ep);
else
self->sync_ep[EP_IN] =
g_usb_endpoint_get_address(ep);
}
} else if (g_usb_interface_get_subclass(intf) ==
UPD_INTERFACE_SUBPROTOCOL_ID) {
g_autoptr(GPtrArray) endpoints =
g_usb_interface_get_endpoints(intf);
self->sync_iface = g_usb_interface_get_number(intf);
if (endpoints == NULL)
continue;
for (guint j = 0; j < endpoints->len; j++) {
GUsbEndpoint *ep = g_ptr_array_index(endpoints, j);
if (j == EP_OUT)
self->update_ep[EP_OUT] =
g_usb_endpoint_get_address(ep);
else
self->update_ep[EP_IN] =
g_usb_endpoint_get_address(ep);
}
}
}
}
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_send(FuLogitechBulkcontrollerDevice *self,
GByteArray *buf,
gint interface_id,
GError **error)
{
gsize transferred = 0;
gint ep;
GCancellable *cancellable = NULL;
g_return_val_if_fail(buf != NULL, FALSE);
if (interface_id == BULK_INTERFACE_SYNC) {
ep = self->sync_ep[EP_OUT];
} else if (interface_id == BULK_INTERFACE_UPD) {
ep = self->update_ep[EP_OUT];
} else {
g_set_error_literal(error, G_IO_ERROR, G_IO_ERROR_FAILED, "interface is invalid");
return FALSE;
}
if (!g_usb_device_bulk_transfer(fu_usb_device_get_dev(FU_USB_DEVICE(self)),
ep,
(guint8 *)buf->data,
buf->len,
&transferred,
WRITE_TIME_OUT,
cancellable,
error)) {
g_prefix_error(error, "bulk transfer failed: ");
return FALSE;
}
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_recv(FuLogitechBulkcontrollerDevice *self,
GByteArray *buf,
gint interface_id,
guint timeout,
GError **error)
{
gsize received_length = 0;
gint ep;
g_return_val_if_fail(buf != NULL, FALSE);
if (interface_id == BULK_INTERFACE_SYNC) {
ep = self->sync_ep[EP_IN];
} else if (interface_id == BULK_INTERFACE_UPD) {
ep = self->update_ep[EP_IN];
} else {
g_set_error_literal(error, G_IO_ERROR, G_IO_ERROR_FAILED, "interface is invalid");
return FALSE;
}
if (!g_usb_device_bulk_transfer(fu_usb_device_get_dev(FU_USB_DEVICE(self)),
ep,
buf->data,
buf->len,
&received_length,
timeout,
NULL,
error)) {
g_prefix_error(error, "bulk transfer failed: ");
return FALSE;
}
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_send_upd_cmd(FuLogitechBulkcontrollerDevice *self,
guint32 cmd,
GByteArray *buf,
GError **error)
{
guint32 cmd_tmp = 0x0;
guint timeout = BULK_TRANSFER_TIMEOUT;
g_autoptr(GByteArray) buf_pkt = g_byte_array_new();
g_autoptr(GByteArray) buf_ack = g_byte_array_new();
fu_byte_array_append_uint32(buf_pkt, cmd, G_LITTLE_ENDIAN); /* Type(T) : Command type */
fu_byte_array_append_uint32(buf_pkt,
buf != NULL ? buf->len : 0,
G_LITTLE_ENDIAN); /*Length(L) : Length of payload */
if (buf != NULL) {
g_byte_array_append(buf_pkt,
buf->data,
buf->len); /* Value(V) : Actual payload data */
}
if (!fu_logitech_bulkcontroller_device_send(self, buf_pkt, BULK_INTERFACE_UPD, error))
return FALSE;
/* receiving INIT ACK */
fu_byte_array_set_size(buf_ack, MAX_DATA_SIZE);
/* Extending the bulk transfer timeout value, as android device takes some time to
calculate Hash and respond */
if (CMD_END_TRANSFER == cmd)
timeout = HASH_TIMEOUT;
if (!fu_logitech_bulkcontroller_device_recv(self,
buf_ack,
BULK_INTERFACE_UPD,
timeout,
error))
return FALSE;
if (!fu_common_read_uint32_safe(buf_ack->data,
buf_ack->len,
COMMAND_OFFSET,
&cmd_tmp,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (cmd_tmp != CMD_ACK) {
g_set_error(error, G_IO_ERROR, G_IO_ERROR_FAILED, "not CMD_ACK, got %x", cmd);
return FALSE;
}
if (!fu_common_read_uint32_safe(buf_ack->data,
buf_ack->len,
UPD_PACKET_HEADER_SIZE,
&cmd_tmp,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (cmd_tmp != cmd) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"invalid upd message received, expected %x, got %x",
cmd,
cmd_tmp);
return FALSE;
}
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_send_sync_cmd(FuLogitechBulkcontrollerDevice *self,
guint32 cmd,
GByteArray *buf,
GError **error)
{
guint32 cmd_tmp = 0x0;
guint64 cmd_tmp_64 = 0x0;
guint32 verify_cmd = 0x0;
gchar ack_payload[SYNC_ACK_PAYLOAD_LENGTH] = {0x0};
g_autoptr(GByteArray) buf_pkt = g_byte_array_new();
g_autoptr(GByteArray) buf_ack = g_byte_array_new();
fu_byte_array_append_uint32(buf_pkt, cmd, G_LITTLE_ENDIAN); /* Type(T) : Command type */
fu_byte_array_append_uint32(buf_pkt,
buf != NULL ? buf->len : 0,
G_LITTLE_ENDIAN); /*Length(L) : Length of payload */
fu_byte_array_append_uint32(buf_pkt,
g_random_int_range(0, G_MAXUINT16),
G_LITTLE_ENDIAN); /*Sequence(S) : Sequence ID of the data */
if (buf != NULL) {
g_byte_array_append(buf_pkt,
buf->data,
buf->len); /* Value(V) : Actual payload data */
}
if (!fu_logitech_bulkcontroller_device_send(self, buf_pkt, BULK_INTERFACE_SYNC, error))
return FALSE;
/* receiving ACK */
fu_byte_array_set_size(buf_ack, MAX_DATA_SIZE);
if (!fu_logitech_bulkcontroller_device_recv(self,
buf_ack,
BULK_INTERFACE_SYNC,
BULK_TRANSFER_TIMEOUT,
error))
return FALSE;
if (!fu_common_read_uint32_safe(buf_ack->data,
buf_ack->len,
COMMAND_OFFSET,
&cmd_tmp,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (cmd_tmp != CMD_ACK) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"not sync CMD_ACK, got %x",
cmd_tmp);
return FALSE;
}
if (!fu_common_read_uint64_safe(buf_ack->data,
buf_ack->len,
SYNC_PACKET_HEADER_SIZE,
&cmd_tmp_64,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (!fu_memcpy_safe((guint8 *)ack_payload,
sizeof(ack_payload),
0x0,
(guint8 *)&cmd_tmp_64,
sizeof(cmd_tmp_64),
0x0,
SYNC_ACK_PAYLOAD_LENGTH,
error)) {
g_prefix_error(error, "failed to retrieve payload data: ");
return FALSE;
}
verify_cmd = fu_common_strtoull(ack_payload);
if (verify_cmd != cmd) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"invalid sync message payload received, expected %x, got %x",
cmd,
verify_cmd);
return FALSE;
}
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_recv_sync_cmd(FuLogitechBulkcontrollerDevice *self,
guint32 cmd,
GByteArray *buf,
GError **error)
{
guint32 cmd_tmp = 0x0;
guint32 response_length = 0;
g_autoptr(GByteArray) buf_pkt = g_byte_array_new();
g_autoptr(GByteArray) buf_ack = g_byte_array_new();
fu_byte_array_set_size(buf_pkt, MAX_DATA_SIZE);
if (!fu_logitech_bulkcontroller_device_recv(self,
buf_pkt,
BULK_INTERFACE_SYNC,
BULK_TRANSFER_TIMEOUT,
error))
return FALSE;
if (!fu_common_read_uint32_safe(buf_pkt->data,
buf_pkt->len,
COMMAND_OFFSET,
&cmd_tmp,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (cmd_tmp != cmd) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"invalid sync message received, expected %x, got %x",
cmd,
cmd_tmp);
return FALSE;
}
if (!fu_common_read_uint32_safe(buf_pkt->data,
buf_pkt->len,
LENGTH_OFFSET,
&response_length,
G_LITTLE_ENDIAN,
error))
return FALSE;
fu_byte_array_append_uint32(buf_ack, CMD_ACK, G_LITTLE_ENDIAN); /* ACK message */
fu_byte_array_append_uint32(buf_ack, sizeof(guint32), G_LITTLE_ENDIAN); /* Length */
fu_byte_array_append_uint32(buf_ack, 0, G_LITTLE_ENDIAN); /* Sequence ID */
fu_byte_array_append_uint32(buf_ack, cmd, G_LITTLE_ENDIAN); /* Payload */
if (!fu_logitech_bulkcontroller_device_send(self, buf_ack, BULK_INTERFACE_SYNC, error))
return FALSE;
if (buf != NULL)
g_byte_array_append(buf, buf_pkt->data + SYNC_PACKET_HEADER_SIZE, response_length);
return TRUE;
}
static gchar *
fu_logitech_bulkcontroller_device_compute_hash(GBytes *data)
{
guint8 md5buf[HASH_VALUE_SIZE] = {0};
gsize data_len = sizeof(md5buf);
GChecksum *checksum = g_checksum_new(G_CHECKSUM_MD5);
g_checksum_update(checksum, g_bytes_get_data(data, NULL), g_bytes_get_size(data));
g_checksum_get_digest(checksum, (guint8 *)&md5buf, &data_len);
return g_base64_encode(md5buf, sizeof(md5buf));
}
static gboolean
fu_logitech_bulkcontroller_device_write_firmware(FuDevice *device,
FuFirmware *firmware,
FwupdInstallFlags flags,
GError **error)
{
FuLogitechBulkcontrollerDevice *self = FU_LOGITECH_BULKCONTROLLER_DEVICE(device);
g_autofree gchar *base64hash = NULL;
g_autoptr(GByteArray) end_pkt = g_byte_array_new();
g_autoptr(GByteArray) start_pkt = g_byte_array_new();
g_autoptr(GBytes) fw = NULL;
g_autoptr(GPtrArray) chunks = NULL;
/* get default image */
fw = fu_firmware_get_bytes(firmware, error);
if (fw == NULL)
return FALSE;
/* Sending INIT */
if (!fu_logitech_bulkcontroller_device_send_upd_cmd(self, CMD_INIT, NULL, error)) {
g_prefix_error(error, "error in writing init transfer packet: ");
return FALSE;
}
/* transfer sent */
fu_device_set_status(device, FWUPD_STATUS_DEVICE_WRITE);
fu_byte_array_append_uint64(start_pkt, g_bytes_get_size(fw), G_LITTLE_ENDIAN);
if (!fu_logitech_bulkcontroller_device_send_upd_cmd(self,
CMD_START_TRANSFER,
start_pkt,
error)) {
g_prefix_error(error, "error in writing start transfer packet: ");
return FALSE;
}
/* each block */
chunks = fu_chunk_array_new_from_bytes(fw, 0x0, 0x0, PAYLOAD_SIZE);
for (guint i = 0; i < chunks->len; i++) {
FuChunk *chk = g_ptr_array_index(chunks, i);
g_autoptr(GByteArray) data_pkt = g_byte_array_new();
g_byte_array_append(data_pkt, fu_chunk_get_data(chk), fu_chunk_get_data_sz(chk));
if (!fu_logitech_bulkcontroller_device_send_upd_cmd(self,
CMD_DATA_TRANSFER,
data_pkt,
error)) {
g_prefix_error(error, "failed to send data packet 0x%x: ", i);
return FALSE;
}
fu_device_set_progress_full(FU_DEVICE(self), i + 1, chunks->len);
}
/* sending end transfer */
base64hash = fu_logitech_bulkcontroller_device_compute_hash(fw);
fu_byte_array_append_uint32(end_pkt, 1, G_LITTLE_ENDIAN); /* update */
fu_byte_array_append_uint32(end_pkt, 0, G_LITTLE_ENDIAN); /* force */
fu_byte_array_append_uint32(end_pkt, MD5, G_LITTLE_ENDIAN); /* checksum type */
g_byte_array_append(end_pkt, (const guint8 *)base64hash, strlen(base64hash));
if (!fu_logitech_bulkcontroller_device_send_upd_cmd(self,
CMD_END_TRANSFER,
end_pkt,
error)) {
g_prefix_error(error, "error in writing end transfer transfer packet: ");
return FALSE;
}
/* send uninit */
if (!fu_logitech_bulkcontroller_device_send_upd_cmd(self, CMD_UNINIT, NULL, error)) {
g_prefix_error(error, "error in writing finish transfer packet: ");
return FALSE;
}
/* success! */
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_open(FuDevice *device, GError **error)
{
FuLogitechBulkcontrollerDevice *self = FU_LOGITECH_BULKCONTROLLER_DEVICE(device);
GUsbDevice *usb_device = fu_usb_device_get_dev(FU_USB_DEVICE(device));
/* FuUsbDevice->open */
if (!FU_DEVICE_CLASS(fu_logitech_bulkcontroller_device_parent_class)->open(device, error))
return FALSE;
/* claim both interfaces */
if (!g_usb_device_claim_interface(usb_device,
self->update_iface,
G_USB_DEVICE_CLAIM_INTERFACE_BIND_KERNEL_DRIVER,
error)) {
g_prefix_error(error, "failed to claim update interface: ");
return FALSE;
}
if (!g_usb_device_claim_interface(usb_device,
self->sync_iface,
G_USB_DEVICE_CLAIM_INTERFACE_BIND_KERNEL_DRIVER,
error)) {
g_prefix_error(error, "failed to claim sync interface: ");
return FALSE;
}
/* success */
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_close(FuDevice *device, GError **error)
{
FuLogitechBulkcontrollerDevice *self = FU_LOGITECH_BULKCONTROLLER_DEVICE(device);
GUsbDevice *usb_device = fu_usb_device_get_dev(FU_USB_DEVICE(device));
if (!g_usb_device_release_interface(usb_device,
self->update_iface,
G_USB_DEVICE_CLAIM_INTERFACE_BIND_KERNEL_DRIVER,
error)) {
g_prefix_error(error, "failed to release update interface: ");
return FALSE;
}
if (!g_usb_device_release_interface(usb_device,
self->sync_iface,
G_USB_DEVICE_CLAIM_INTERFACE_BIND_KERNEL_DRIVER,
error)) {
g_prefix_error(error, "failed to release sync interface: ");
return FALSE;
}
/* FuUsbDevice->close */
return FU_DEVICE_CLASS(fu_logitech_bulkcontroller_device_parent_class)
->close(device, error);
}
static gboolean
fu_logitech_bulkcontroller_device_json_parser(FuDevice *device,
GByteArray *decoded_pkt,
GError **error)
{
FuLogitechBulkcontrollerDevice *self = FU_LOGITECH_BULKCONTROLLER_DEVICE(device);
JsonArray *json_devices;
JsonNode *json_root;
JsonObject *json_device;
JsonObject *json_object;
JsonObject *json_payload;
g_autoptr(JsonParser) json_parser = json_parser_new();
/* parse JSON reply */
if (!json_parser_load_from_data(json_parser,
(const gchar *)decoded_pkt->data,
decoded_pkt->len,
error)) {
g_prefix_error(error, "error in parsing json data: ");
return FALSE;
}
json_root = json_parser_get_root(json_parser);
if (json_root == NULL) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"did not get JSON root");
return FALSE;
}
json_object = json_node_get_object(json_root);
json_payload = json_object_get_object_member(json_object, "payload");
if (json_payload == NULL) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"did not get JSON payload");
return FALSE;
}
json_devices = json_object_get_array_member(json_payload, "devices");
if (json_devices == NULL) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"did not get JSON devices");
return FALSE;
}
json_device = json_array_get_object_element(json_devices, 0);
if (json_device == NULL) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"did not get JSON device");
return FALSE;
}
if (json_object_has_member(json_device, "name"))
fu_device_set_name(device, json_object_get_string_member(json_device, "name"));
if (json_object_has_member(json_device, "sw"))
fu_device_set_version(device, json_object_get_string_member(json_device, "sw"));
if (json_object_has_member(json_device, "type"))
fu_device_add_instance_id(device,
json_object_get_string_member(json_device, "type"));
if (json_object_has_member(json_device, "status"))
self->status = json_object_get_int_member(json_device, "status");
if (json_object_has_member(json_device, "updateStatus"))
self->update_status = json_object_get_int_member(json_device, "updateStatus");
return TRUE;
}
static gboolean
fu_logitech_bulkcontroller_device_setup(FuDevice *device, GError **error)
{
FuLogitechBulkcontrollerDevice *self = FU_LOGITECH_BULKCONTROLLER_DEVICE(device);
g_autoptr(GByteArray) device_info_request = g_byte_array_new();
g_autoptr(GByteArray) decoded_pkt = g_byte_array_new();
g_autoptr(GByteArray) device_info_response = g_byte_array_new();
FuLogitechBulkcontrollerProtoId proto_id = kProtoId_UnknownId;
/* FuUsbDevice->setup */
if (!FU_DEVICE_CLASS(fu_logitech_bulkcontroller_device_parent_class)->setup(device, error))
return FALSE;
/* sending GetDeviceInfoRequest */
device_info_request = proto_manager_generate_get_device_info_request();
if (!fu_logitech_bulkcontroller_device_send_sync_cmd(self,
CMD_BUFFER_WRITE,
device_info_request,
error)) {
g_prefix_error(error, "error in sending buffer write packet: ");
return FALSE;
}
/* wait for the GetDeviceInfoResponse */
if (!fu_logitech_bulkcontroller_device_recv_sync_cmd(self,
CMD_BUFFER_READ,
device_info_response,
error)) {
g_prefix_error(error, "error in buffer read packet: ");
return FALSE;
}
if (!fu_logitech_bulkcontroller_device_recv_sync_cmd(self,
CMD_UNINIT_BUFFER,
NULL,
error)) {
g_prefix_error(error, "error in buffer read packet: ");
return FALSE;
}
if (!fu_logitech_bulkcontroller_device_send_sync_cmd(self,
CMD_UNINIT_BUFFER,
NULL,
error)) {
g_prefix_error(error, "error in sending buffer uninitialize packet: ");
return FALSE;
}
decoded_pkt = proto_manager_decode_message(device_info_response->data,
device_info_response->len,
&proto_id,
error);
if (decoded_pkt == NULL) {
g_prefix_error(error, "error in unpacking packet: ");
return FALSE;
}
if (proto_id != kProtoId_GetDeviceInfoResponse) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"did not get kProtoId_GetDeviceInfoResponse");
return FALSE;
}
if (!fu_logitech_bulkcontroller_device_json_parser(device, decoded_pkt, error))
return FALSE;
/* success */
return TRUE;
}
static void
fu_logitech_bulkcontroller_device_init(FuLogitechBulkcontrollerDevice *self)
{
fu_device_add_protocol(FU_DEVICE(self), "com.logitech.vc.proto");
fu_device_set_version_format(FU_DEVICE(self), FWUPD_VERSION_FORMAT_TRIPLET);
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_UPDATABLE);
}
static void
fu_logitech_bulkcontroller_device_class_init(FuLogitechBulkcontrollerDeviceClass *klass)
{
FuDeviceClass *klass_device = FU_DEVICE_CLASS(klass);
klass_device->to_string = fu_logitech_bulkcontroller_device_to_string;
klass_device->write_firmware = fu_logitech_bulkcontroller_device_write_firmware;
klass_device->probe = fu_logitech_bulkcontroller_device_probe;
klass_device->setup = fu_logitech_bulkcontroller_device_setup;
klass_device->open = fu_logitech_bulkcontroller_device_open;
klass_device->close = fu_logitech_bulkcontroller_device_close;
}
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