static void report_map_read_cb(guint8 status, const guint8 *pdu, guint16 plen,
gpointer user_data)
{
struct hog_device *hogdev = user_data;
uint8_t value[HOG_REPORT_MAP_MAX_SIZE];
struct uhid_event ev;
uint16_t vendor_src, vendor, product, version;
ssize_t vlen;
int i;
if (status != 0) {
error("Report Map read failed: %s", att_ecode2str(status));
return;
}
vlen = dec_read_resp(pdu, plen, value, sizeof(value));
if (vlen < 0) {
error("ATT protocol error");
return;
}
DBG("Report MAP:");
for (i = 0; i < vlen; i++) {
switch (value[i]) {
case 0x85:
case 0x86:
case 0x87:
hogdev->prepend_id = TRUE;
}
if (i % 2 == 0) {
if (i + 1 == vlen)
DBG("\t %02x", value[i]);
else
DBG("\t %02x %02x", value[i], value[i + 1]);
}
}
vendor_src = btd_device_get_vendor_src(hogdev->device);
vendor = btd_device_get_vendor(hogdev->device);
product = btd_device_get_product(hogdev->device);
version = btd_device_get_version(hogdev->device);
DBG("DIS information: vendor_src=0x%X, vendor=0x%X, product=0x%X, "
"version=0x%X", vendor_src, vendor, product, version);
/* create uHID device */
memset(&ev, 0, sizeof(ev));
ev.type = UHID_CREATE;
strcpy((char *) ev.u.create.name, "bluez-hog-device");
ev.u.create.vendor = vendor;
ev.u.create.product = product;
ev.u.create.version = version;
ev.u.create.country = hogdev->bcountrycode;
ev.u.create.bus = BUS_BLUETOOTH;
ev.u.create.rd_data = value;
ev.u.create.rd_size = vlen;
if (write(hogdev->uhid_fd, &ev, sizeof(ev)) < 0)
error("Failed to create uHID device: %s", strerror(errno));
}
static struct hog_device *hog_device_new(struct btd_device *device,
struct gatt_primary *prim)
{
struct hog_device *dev;
char name[248];
uint16_t vendor, product, version;
if (device_name_known(device))
device_get_name(device, name, sizeof(name));
else
strcpy(name, "bluez-hog-device");
vendor = btd_device_get_vendor(device);
product = btd_device_get_product(device);
version = btd_device_get_version(device);
DBG("name=%s vendor=0x%X, product=0x%X, version=0x%X", name, vendor,
product, version);
dev = new0(struct hog_device, 1);
dev->device = btd_device_ref(device);
dev->hog = bt_hog_new_default(name, vendor, product, version, prim);
/*
* TODO: Remove attio callback and use .accept once using
* bt_gatt_client.
*/
dev->attioid = btd_device_add_attio_callback(device,
attio_connected_cb,
attio_disconnected_cb,
dev);
if (!devices)
devices = queue_new();
queue_push_tail(devices, dev);
return dev;
}
static bool dev_is_sixaxis(const bdaddr_t *src, const bdaddr_t *dst)
{
struct btd_device *device;
uint16_t vid, pid;
device = btd_adapter_find_device(adapter_find(src), dst);
if (!device)
return false;
vid = btd_device_get_vendor(device);
pid = btd_device_get_product(device);
/* DualShock 3 */
if (vid == 0x054c && pid == 0x0268)
return true;
/* DualShock 4 */
if (vid == 0x054c && pid == 0x05c4)
return true;
return false;
}
static ssize_t wii_pincb(struct btd_adapter *adapter, struct btd_device *device,
char *pinbuf, bool *display,
unsigned int attempt)
{
uint16_t vendor, product;
char addr[18], name[25];
unsigned int i;
/* Only try the pin code once per device. If it's not correct then it's
* an unknown device. */
if (attempt > 1)
return 0;
ba2str(device_get_address(device), addr);
vendor = btd_device_get_vendor(device);
product = btd_device_get_product(device);
device_get_name(device, name, sizeof(name));
name[sizeof(name) - 1] = 0;
for (i = 0; i < G_N_ELEMENTS(wii_ids); ++i) {
if (vendor == wii_ids[i][0] && product == wii_ids[i][1])
goto found;
}
for (i = 0; i < G_N_ELEMENTS(wii_names); ++i) {
if (g_str_equal(name, wii_names[i]))
goto found;
}
return 0;
found:
DBG("Forcing fixed pin on detected wiimote %s", addr);
memcpy(pinbuf, adapter_get_address(adapter), 6);
return 6;
}
static int hidp_add_connection(struct input_device *idev)
{
struct hidp_connadd_req *req;
sdp_record_t *rec;
char src_addr[18], dst_addr[18];
char filename[PATH_MAX + 1];
GKeyFile *key_file;
char handle[11], *str;
GError *gerr = NULL;
int err;
req = g_new0(struct hidp_connadd_req, 1);
req->ctrl_sock = g_io_channel_unix_get_fd(idev->ctrl_io);
req->intr_sock = g_io_channel_unix_get_fd(idev->intr_io);
req->flags = 0;
req->idle_to = idle_timeout;
ba2str(&idev->src, src_addr);
ba2str(&idev->dst, dst_addr);
snprintf(filename, PATH_MAX, STORAGEDIR "/%s/cache/%s", src_addr,
dst_addr);
filename[PATH_MAX] = '\0';
sprintf(handle, "0x%8.8X", idev->handle);
key_file = g_key_file_new();
g_key_file_load_from_file(key_file, filename, 0, NULL);
str = g_key_file_get_string(key_file, "ServiceRecords", handle, NULL);
g_key_file_free(key_file);
if (!str) {
error("Rejected connection from unknown device %s", dst_addr);
err = -EPERM;
goto cleanup;
}
rec = record_from_string(str);
g_free(str);
err = extract_hid_record(rec, req);
sdp_record_free(rec);
if (err < 0) {
error("Could not parse HID SDP record: %s (%d)", strerror(-err),
-err);
goto cleanup;
}
req->vendor = btd_device_get_vendor(idev->device);
req->product = btd_device_get_product(idev->device);
req->version = btd_device_get_version(idev->device);
if (idev->name)
strncpy(req->name, idev->name, sizeof(req->name) - 1);
/* Encryption is mandatory for keyboards */
if (req->subclass & 0x40) {
if (!bt_io_set(idev->intr_io, &gerr,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_INVALID)) {
error("btio: %s", gerr->message);
g_error_free(gerr);
err = -EFAULT;
goto cleanup;
}
idev->req = req;
idev->sec_watch = g_io_add_watch(idev->intr_io, G_IO_OUT,
encrypt_notify, idev);
return 0;
}
err = ioctl_connadd(req);
cleanup:
g_free(req->rd_data);
g_free(req);
return err;
}
static void report_map_read_cb(guint8 status, const guint8 *pdu, guint16 plen,
gpointer user_data)
{
struct hog_device *hogdev = user_data;
struct btd_adapter *adapter = device_get_adapter(hogdev->device);
uint8_t value[HOG_REPORT_MAP_MAX_SIZE];
struct uhid_event ev;
uint16_t vendor_src, vendor, product, version;
ssize_t vlen;
char itemstr[20]; /* 5x3 (data) + 4 (continuation) + 1 (null) */
int i, err;
if (status != 0) {
error("Report Map read failed: %s", att_ecode2str(status));
return;
}
vlen = dec_read_resp(pdu, plen, value, sizeof(value));
if (vlen < 0) {
error("ATT protocol error");
return;
}
DBG("Report MAP:");
for (i = 0; i < vlen;) {
ssize_t ilen = 0;
bool long_item = false;
if (get_descriptor_item_info(&value[i], vlen - i, &ilen,
&long_item)) {
/* Report ID is short item with prefix 100001xx */
if (!long_item && (value[i] & 0xfc) == 0x84)
hogdev->has_report_id = TRUE;
DBG("\t%s", item2string(itemstr, &value[i], ilen));
i += ilen;
} else {
error("Report Map parsing failed at %d", i);
/* Just print remaining items at once and break */
DBG("\t%s", item2string(itemstr, &value[i], vlen - i));
break;
}
}
vendor_src = btd_device_get_vendor_src(hogdev->device);
vendor = btd_device_get_vendor(hogdev->device);
product = btd_device_get_product(hogdev->device);
version = btd_device_get_version(hogdev->device);
DBG("DIS information: vendor_src=0x%X, vendor=0x%X, product=0x%X, "
"version=0x%X", vendor_src, vendor, product, version);
/* create uHID device */
memset(&ev, 0, sizeof(ev));
ev.type = UHID_CREATE;
if (device_name_known(hogdev->device))
device_get_name(hogdev->device, (char *) ev.u.create.name,
sizeof(ev.u.create.name));
else
strcpy((char *) ev.u.create.name, "bluez-hog-device");
ba2str(btd_adapter_get_address(adapter), (char *) ev.u.create.phys);
ba2str(device_get_address(hogdev->device), (char *) ev.u.create.uniq);
ev.u.create.vendor = vendor;
ev.u.create.product = product;
ev.u.create.version = version;
ev.u.create.country = hogdev->bcountrycode;
ev.u.create.bus = BUS_BLUETOOTH;
ev.u.create.rd_data = value;
ev.u.create.rd_size = vlen;
err = bt_uhid_send(hogdev->uhid, &ev);
if (err < 0) {
error("bt_uhid_send: %s", strerror(-err));
return;
}
bt_uhid_register(hogdev->uhid, UHID_OUTPUT, forward_report, hogdev);
bt_uhid_register(hogdev->uhid, UHID_SET_REPORT, set_report, hogdev);
bt_uhid_register(hogdev->uhid, UHID_GET_REPORT, get_report, hogdev);
}
static int hidp_add_connection(struct input_device *idev,
struct input_conn *iconn)
{
struct hidp_connadd_req *req;
struct fake_hid *fake_hid;
struct fake_input *fake;
sdp_record_t *rec;
char src_addr[18], dst_addr[18];
GError *gerr = NULL;
int err;
DBG("idev %p", idev);
req = g_new0(struct hidp_connadd_req, 1);
req->ctrl_sock = g_io_channel_unix_get_fd(iconn->ctrl_io);
req->intr_sock = g_io_channel_unix_get_fd(iconn->intr_io);
req->flags = 0;
req->idle_to = iconn->timeout;
ba2str(&idev->src, src_addr);
ba2str(&idev->dst, dst_addr);
rec = fetch_record(src_addr, dst_addr, idev->handle);
if (!rec) {
error("Rejected connection from unknown device %s", dst_addr);
err = -EPERM;
goto cleanup;
}
extract_hid_record(rec, req);
extract_hid_props(idev, rec);
sdp_record_free(rec);
req->vendor = btd_device_get_vendor(idev->device);
req->product = btd_device_get_product(idev->device);
req->version = btd_device_get_version(idev->device);
fake_hid = get_fake_hid(req->vendor, req->product);
if (fake_hid) {
err = 0;
fake = g_new0(struct fake_input, 1);
fake->connect = fake_hid_connect;
fake->disconnect = fake_hid_disconnect;
fake->priv = fake_hid;
fake->idev = idev;
fake = fake_hid_connadd(fake, iconn->intr_io, fake_hid);
if (fake == NULL)
err = -ENOMEM;
else
fake->flags |= FI_FLAG_CONNECTED;
goto cleanup;
}
if (idev->name)
strncpy(req->name, idev->name, sizeof(req->name) - 1);
/* Encryption is mandatory for keyboards */
if (req->subclass & 0x40) {
struct btd_adapter *adapter = device_get_adapter(idev->device);
err = btd_adapter_encrypt_link(adapter, (bdaddr_t *) &idev->dst,
encrypt_completed, req);
if (err == 0) {
/* Waiting async encryption */
return 0;
}
if (err == -ENOSYS)
goto nosys;
if (err != -EALREADY) {
error("encrypt_link: %s (%d)", strerror(-err), -err);
goto cleanup;
}
}
err = ioctl_connadd(req);
cleanup:
free(req->rd_data);
g_free(req);
return err;
nosys:
if (!bt_io_set(iconn->intr_io, BT_IO_L2CAP, &gerr,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_INVALID)) {
error("btio: %s", gerr->message);
g_error_free(gerr);
goto cleanup;
}
iconn->req = req;
iconn->sec_watch = g_io_add_watch(iconn->intr_io, G_IO_OUT,
encrypt_notify, iconn);
return 0;
}
