static int serial_probe(struct btd_device *device, const char *uuid)
{
struct btd_adapter *adapter = device_get_adapter(device);
const gchar *path = device_get_path(device);
sdp_list_t *protos;
int ch;
bdaddr_t src, dst;
const sdp_record_t *rec;
DBG("path %s: %s", path, uuid);
rec = btd_device_get_record(device, uuid);
if (!rec)
return -EINVAL;
if (sdp_get_access_protos(rec, &protos) < 0)
return -EINVAL;
ch = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
if (ch < 1 || ch > 30) {
error("Channel out of range: %d", ch);
return -EINVAL;
}
adapter_get_address(adapter, &src);
device_get_address(device, &dst);
return port_register(connection, path, &src, &dst, uuid, ch);
}
gboolean gatt_parse_record(const sdp_record_t *rec,
uuid_t *prim_uuid, uint16_t *psm,
uint16_t *start, uint16_t *end)
{
sdp_list_t *list;
uuid_t uuid;
gboolean ret;
if (sdp_get_service_classes(rec, &list) < 0)
return FALSE;
memcpy(&uuid, list->data, sizeof(uuid));
sdp_list_free(list, free);
if (sdp_get_access_protos(rec, &list) < 0)
return FALSE;
ret = parse_proto_params(list, psm, start, end);
sdp_list_foreach(list, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(list, NULL);
/* FIXME: replace by bt_uuid_t after uuid_t/sdp code cleanup */
if (ret && prim_uuid)
memcpy(prim_uuid, &uuid, sizeof(uuid_t));
return ret;
}
static void get_record_cb(sdp_list_t *recs, int err, gpointer user_data)
{
struct serial_port *port = user_data;
struct serial_device *device = port->device;
sdp_record_t *record = NULL;
sdp_list_t *protos;
DBusMessage *reply;
GError *gerr = NULL;
if (!port->listener_id) {
reply = NULL;
goto failed;
}
if (err < 0) {
error("Unable to get service record: %s (%d)", strerror(-err),
-err);
reply = failed(port->msg, strerror(-err));
goto failed;
}
if (!recs || !recs->data) {
error("No record found");
reply = failed(port->msg, "No record found");
goto failed;
}
record = recs->data;
if (sdp_get_access_protos(record, &protos) < 0) {
error("Unable to get access protos from port record");
reply = failed(port->msg, "Invalid channel");
goto failed;
}
port->channel = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
port->io = bt_io_connect(BT_IO_RFCOMM, rfcomm_connect_cb, port,
NULL, &gerr,
BT_IO_OPT_SOURCE_BDADDR, &device->src,
BT_IO_OPT_DEST_BDADDR, &device->dst,
BT_IO_OPT_CHANNEL, port->channel,
BT_IO_OPT_INVALID);
if (!port->io) {
error("%s", gerr->message);
reply = failed(port->msg, gerr->message);
g_error_free(gerr);
goto failed;
}
return;
failed:
g_dbus_remove_watch(device->conn, port->listener_id);
port->listener_id = 0;
g_dbus_send_message(device->conn, reply);
}
/*
* Taken from gnome-phone-manager
*/
static int get_rfcomm_channel(sdp_record_t *rec, int only_gnapplet)
{
int channel = -1;
sdp_list_t *protos = NULL;
sdp_data_t *data;
char name[64];
if (sdp_get_access_protos(rec, &protos) != 0)
goto end;
data = sdp_data_get(rec, SDP_ATTR_SVCNAME_PRIMARY);
if (data)
snprintf(name, sizeof(name), "%.*s", data->unitSize, data->val.str);
if (name == NULL)
goto end;
/*
* If we're only supposed to check for gnapplet, do it here
* We ignore it if we're not supposed to check for it.
*/
if (only_gnapplet != 0) {
if (strcmp(name, "gnapplet") == 0)
channel = sdp_get_proto_port(protos, RFCOMM_UUID);
goto end;
}
/*
* We can't seem to connect to the PC Suite channel.
*/
if (strstr(name, "Nokia PC Suite") != NULL)
goto end;
/*
* And that type of channel on Nokia Symbian phones doesn't
* work either.
*/
if (strstr(name, "Bluetooth Serial Port") != NULL)
goto end;
/*
* Avoid the m-Router channel, same as the PC Suite on Sony Ericsson
* phones.
*/
if (strstr(name, "m-Router Connectivity") != NULL)
goto end;
channel = sdp_get_proto_port(protos, RFCOMM_UUID);
end:
sdp_list_foreach(protos, (sdp_list_func_t)sdp_list_free, 0);
sdp_list_free(protos, 0);
return channel;
}
// the resulting xml output is based on the already used xml parser
QByteArray parseSdpRecord(sdp_record_t *record)
{
if (!record || !record->attrlist)
return QByteArray();
QByteArray xmlOutput;
xmlOutput.append("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<record>\n");
sdp_list_foreach(record->attrlist, parseAttribute, &xmlOutput);
xmlOutput.append("</record>");
return xmlOutput;
}
static int headset_probe(struct btd_device *device, GSList *uuids)
{
struct btd_adapter *adapter = device_get_adapter(device);
const gchar *path = device_get_path(device);
const sdp_record_t *record;
sdp_list_t *protos;
int ch;
bdaddr_t src, dst;
DBG("path %s", path);
if (!g_slist_find_custom(uuids, HSP_HS_UUID,
(GCompareFunc) strcasecmp))
return -EINVAL;
record = btd_device_get_record(device, uuids->data);
if (!record || sdp_get_access_protos(record, &protos) < 0) {
error("Invalid record");
return -EINVAL;
}
ch = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
if (ch <= 0) {
error("Invalid RFCOMM channel");
return -EINVAL;
}
adapter_get_address(adapter, &src);
device_get_address(device, &dst);
return fake_input_register(connection, device, path, &src, &dst,
HSP_HS_UUID, ch);
}
static void search_callback(uint8_t type, uint16_t status,
uint8_t *rsp, size_t size, void *user_data)
{
struct bluetooth_session *session = user_data;
unsigned int scanned, bytesleft = size;
int seqlen = 0;
uint8_t dataType;
uint16_t port = 0;
GError *gerr = NULL;
if (status || type != SDP_SVC_SEARCH_ATTR_RSP)
goto failed;
scanned = sdp_extract_seqtype(rsp, bytesleft, &dataType, &seqlen);
if (!scanned || !seqlen)
goto failed;
rsp += scanned;
bytesleft -= scanned;
do {
sdp_record_t *rec;
sdp_list_t *protos;
sdp_data_t *data;
int recsize, ch = -1;
recsize = 0;
rec = sdp_extract_pdu(rsp, bytesleft, &recsize);
if (!rec)
break;
if (!recsize) {
sdp_record_free(rec);
break;
}
if (!sdp_get_access_protos(rec, &protos)) {
ch = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos,
(sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
protos = NULL;
}
data = sdp_data_get(rec, 0x0200);
/* PSM must be odd and lsb of upper byte must be 0 */
if (data != NULL && (data->val.uint16 & 0x0101) == 0x0001)
ch = data->val.uint16;
sdp_record_free(rec);
if (ch > 0) {
port = ch;
break;
}
scanned += recsize;
rsp += recsize;
bytesleft -= recsize;
} while (scanned < size && bytesleft > 0);
if (port == 0)
goto failed;
session->port = port;
g_io_channel_set_close_on_unref(session->io, FALSE);
g_io_channel_unref(session->io);
session->io = transport_connect(&session->src, &session->dst, port,
transport_callback, session);
if (session->io != NULL) {
sdp_close(session->sdp);
session->sdp = NULL;
return;
}
failed:
if (session->io != NULL) {
g_io_channel_shutdown(session->io, TRUE, NULL);
g_io_channel_unref(session->io);
session->io = NULL;
}
g_set_error(&gerr, OBC_BT_ERROR, -EIO,
"Unable to find service record");
if (session->func)
session->func(session->io, gerr, session->user_data);
g_clear_error(&gerr);
session_destroy(session);
}
static void search_callback(uint8_t type, uint16_t status,
uint8_t *rsp, size_t size, void *user_data)
{
struct callback_data *callback = user_data;
unsigned int scanned, bytesleft = size;
int seqlen = 0;
uint8_t dataType, channel = 0;
GError *gerr = NULL;
if (status || type != SDP_SVC_SEARCH_ATTR_RSP)
goto failed;
scanned = sdp_extract_seqtype(rsp, bytesleft, &dataType, &seqlen);
if (!scanned || !seqlen)
goto failed;
rsp += scanned;
bytesleft -= scanned;
do {
sdp_record_t *rec;
sdp_list_t *protos;
int recsize, ch = -1;
recsize = 0;
rec = sdp_extract_pdu(rsp, bytesleft, &recsize);
if (!rec)
break;
if (!recsize) {
sdp_record_free(rec);
break;
}
if (!sdp_get_access_protos(rec, &protos)) {
ch = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos,
(sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
protos = NULL;
}
sdp_record_free(rec);
if (ch > 0) {
channel = ch;
break;
}
scanned += recsize;
rsp += recsize;
bytesleft -= recsize;
} while (scanned < size && bytesleft > 0);
if (channel == 0)
goto failed;
callback->session->channel = channel;
callback->session->io = rfcomm_connect(&callback->session->src,
&callback->session->dst,
channel, rfcomm_callback,
callback);
if (callback->session->io != NULL) {
sdp_close(callback->sdp);
return;
}
failed:
sdp_close(callback->sdp);
g_set_error(&gerr, OBEX_IO_ERROR, -EIO,
"Unable to find service record");
callback->func(callback->session, gerr, callback->data);
g_clear_error(&gerr);
session_unref(callback->session);
g_free(callback);
}
static void get_record_cb(sdp_list_t *recs, int err, gpointer user_data)
{
struct audio_device *dev = user_data;
struct gateway *gw = dev->gateway;
int ch;
sdp_list_t *protos, *classes;
uuid_t uuid;
GIOChannel *io;
GError *gerr = NULL;
if (err < 0) {
error("Unable to get service record: %s (%d)", strerror(-err),
-err);
goto fail;
}
if (!recs || !recs->data) {
error("No records found");
err = -EIO;
goto fail;
}
if (sdp_get_service_classes(recs->data, &classes) < 0) {
error("Unable to get service classes from record");
err = -EINVAL;
goto fail;
}
if (sdp_get_access_protos(recs->data, &protos) < 0) {
error("Unable to get access protocols from record");
err = -ENODATA;
goto fail;
}
gw->version = get_remote_profile_version(recs->data);
if (gw->version == 0) {
error("Unable to get profile version from record");
err = -EINVAL;
goto fail;
}
memcpy(&uuid, classes->data, sizeof(uuid));
sdp_list_free(classes, free);
if (!sdp_uuid128_to_uuid(&uuid) || uuid.type != SDP_UUID16 ||
uuid.value.uuid16 != HANDSFREE_AGW_SVCLASS_ID) {
sdp_list_free(protos, NULL);
error("Invalid service record or not HFP");
err = -EIO;
goto fail;
}
ch = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
if (ch <= 0) {
error("Unable to extract RFCOMM channel from service record");
err = -EIO;
goto fail;
}
io = bt_io_connect(rfcomm_connect_cb, dev, NULL, &gerr,
BT_IO_OPT_SOURCE_BDADDR, &dev->src,
BT_IO_OPT_DEST_BDADDR, &dev->dst,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_CHANNEL, ch,
BT_IO_OPT_INVALID);
if (!io) {
error("Unable to connect: %s", gerr->message);
goto fail;
}
g_io_channel_unref(io);
return;
fail:
if (gw->msg) {
DBusMessage *reply = btd_error_failed(gw->msg,
gerr ? gerr->message : strerror(-err));
g_dbus_send_message(btd_get_dbus_connection(), reply);
}
gateway_close(dev);
if (gerr)
g_error_free(gerr);
}