Move server registration and sdp record code from gateway to manager.

1 files changed, 532 insertions, 7 deletions

diff --git a/audio/manager.c b/audio/manager.c
index b84d684b..7e250785 100644
--- a/audio/manager.c
+++ b/audio/manager.c
@@ -34,6 +34,7 @@
 #include <sys/stat.h>
 #include <dirent.h>
 #include <ctype.h>
+#include <signal.h>
 
 #include <bluetooth/bluetooth.h>
 #include <bluetooth/hci.h>
@@ -86,6 +87,12 @@ static struct device *default_dev = NULL;
 
 static GSList *devices = NULL;
 
+static uint32_t hs_record_id = 0;
+static uint32_t hf_record_id = 0;
+
+static GIOChannel *hs_server = NULL;
+static GIOChannel *hf_server = NULL;
+
 static void get_next_record(struct audio_sdp_data *data);
 static DBusHandlerResult get_handles(const char *uuid,
 					struct audio_sdp_data *data);
@@ -172,6 +179,25 @@ done:
 	return uuid16;
 }
 
+static gboolean server_is_enabled(uint16_t svc)
+{
+	gboolean ret;
+
+	switch (svc) {
+	case HEADSET_SVCLASS_ID:
+		ret = (hs_server != NULL);
+		break;
+	case HANDSFREE_SVCLASS_ID:
+		ret = (hf_server != NULL);
+		break;
+	default:
+		ret = FALSE;
+		break;
+	}
+
+	return ret;
+}
+
 static void handle_record(sdp_record_t *record, struct device *device)
 {
 	gboolean is_default;
@@ -179,6 +205,9 @@ static void handle_record(sdp_record_t *record, struct device *device)
 
 	uuid16 = get_service_uuid(record);
 
+	if (!server_is_enabled(uuid16))
+		return;
+
 	switch (uuid16) {
 	case HEADSET_SVCLASS_ID:
 		debug("Found Headset record");
@@ -1192,12 +1221,507 @@ static void manager_unregister(DBusConnection *conn, void *data)
 	}
 }
 
-int audio_init(DBusConnection *conn)
+static int hsp_ag_record(sdp_buf_t *buf, uint8_t ch)
+{
+	sdp_list_t *svclass_id, *pfseq, *apseq, *root;
+	uuid_t root_uuid, svclass_uuid, ga_svclass_uuid;
+	uuid_t l2cap_uuid, rfcomm_uuid;
+	sdp_profile_desc_t profile;
+	sdp_list_t *aproto, *proto[2];
+	sdp_record_t record;
+	sdp_data_t *channel;
+	int ret;
+
+	memset(&record, 0, sizeof(sdp_record_t));
+
+	sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
+	root = sdp_list_append(0, &root_uuid);
+	sdp_set_browse_groups(&record, root);
+
+	sdp_uuid16_create(&svclass_uuid, HEADSET_AGW_SVCLASS_ID);
+	svclass_id = sdp_list_append(0, &svclass_uuid);
+	sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID);
+	svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid);
+	sdp_set_service_classes(&record, svclass_id);
+
+	sdp_uuid16_create(&profile.uuid, HEADSET_PROFILE_ID);
+	profile.version = 0x0100;
+	pfseq = sdp_list_append(0, &profile);
+	sdp_set_profile_descs(&record, pfseq);
+
+	sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID);
+	proto[0] = sdp_list_append(0, &l2cap_uuid);
+	apseq = sdp_list_append(0, proto[0]);
+
+	sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
+	proto[1] = sdp_list_append(0, &rfcomm_uuid);
+	channel = sdp_data_alloc(SDP_UINT8, &ch);
+	proto[1] = sdp_list_append(proto[1], channel);
+	apseq = sdp_list_append(apseq, proto[1]);
+
+	aproto = sdp_list_append(0, apseq);
+	sdp_set_access_protos(&record, aproto);
+
+	sdp_set_info_attr(&record, "Headset Audio Gateway", 0, 0);
+
+	if (sdp_gen_record_pdu(&record, buf) < 0)
+		ret = -1;
+	else
+		ret = 0;
+
+	sdp_data_free(channel);
+	sdp_list_free(proto[0], 0);
+	sdp_list_free(proto[1], 0);
+	sdp_list_free(apseq, 0);
+	sdp_list_free(pfseq, 0);
+	sdp_list_free(aproto, 0);
+	sdp_list_free(root, 0);
+	sdp_list_free(svclass_id, 0);
+	sdp_list_free(record.attrlist, (sdp_free_func_t) sdp_data_free);
+	sdp_list_free(record.pattern, free);
+
+	return ret;
+}
+
+static int hfp_ag_record(sdp_buf_t *buf, uint8_t ch)
+{
+	sdp_list_t *svclass_id, *pfseq, *apseq, *root;
+	uuid_t root_uuid, svclass_uuid, ga_svclass_uuid;
+	uuid_t l2cap_uuid, rfcomm_uuid;
+	sdp_profile_desc_t profile;
+	sdp_list_t *aproto, *proto[2];
+	sdp_record_t record;
+	uint16_t u16 = 0x0009;
+	sdp_data_t *channel, *features;
+	uint8_t netid = 0x01;
+	sdp_data_t *network = sdp_data_alloc(SDP_UINT8, &netid);
+	int ret;
+
+	memset(&record, 0, sizeof(sdp_record_t));
+
+	sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
+	root = sdp_list_append(0, &root_uuid);
+	sdp_set_browse_groups(&record, root);
+
+	sdp_uuid16_create(&svclass_uuid, HANDSFREE_AGW_SVCLASS_ID);
+	svclass_id = sdp_list_append(0, &svclass_uuid);
+	sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID);
+	svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid);
+	sdp_set_service_classes(&record, svclass_id);
+
+	sdp_uuid16_create(&profile.uuid, HANDSFREE_PROFILE_ID);
+	profile.version = 0x0105;
+	pfseq = sdp_list_append(0, &profile);
+	sdp_set_profile_descs(&record, pfseq);
+
+	sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID);
+	proto[0] = sdp_list_append(0, &l2cap_uuid);
+	apseq = sdp_list_append(0, proto[0]);
+
+	sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
+	proto[1] = sdp_list_append(0, &rfcomm_uuid);
+	channel = sdp_data_alloc(SDP_UINT8, &ch);
+	proto[1] = sdp_list_append(proto[1], channel);
+	apseq = sdp_list_append(apseq, proto[1]);
+
+	features = sdp_data_alloc(SDP_UINT16, &u16);
+	sdp_attr_add(&record, SDP_ATTR_SUPPORTED_FEATURES, features);
+
+	aproto = sdp_list_append(0, apseq);
+	sdp_set_access_protos(&record, aproto);
+
+	sdp_set_info_attr(&record, "Hands-Free Audio Gateway", 0, 0);
+
+	sdp_attr_add(&record, SDP_ATTR_EXTERNAL_NETWORK, network);
+
+	if (sdp_gen_record_pdu(&record, buf) < 0)
+		ret = -1;
+	else
+		ret = 0;
+
+	sdp_data_free(channel);
+	sdp_list_free(proto[0], 0);
+	sdp_list_free(proto[1], 0);
+	sdp_list_free(apseq, 0);
+	sdp_list_free(pfseq, 0);
+	sdp_list_free(aproto, 0);
+	sdp_list_free(root, 0);
+	sdp_list_free(svclass_id, 0);
+	sdp_list_free(record.attrlist, (sdp_free_func_t) sdp_data_free);
+	sdp_list_free(record.pattern, free);
+
+	return ret;
+}
+
+static uint32_t add_record(uint8_t channel, sdp_buf_t *buf)
+{
+	DBusMessage *msg, *reply;
+	DBusError derr;
+	dbus_uint32_t rec_id;
+
+	msg = dbus_message_new_method_call("org.bluez", "/org/bluez",
+						"org.bluez.Database",
+						"AddServiceRecord");
+	if (!msg) {
+		error("Can't allocate new method call");
+		return 0;
+	}
+
+	dbus_message_append_args(msg, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE,
+						&buf->data, buf->data_size,
+							DBUS_TYPE_INVALID);
+
+	dbus_error_init(&derr);
+	reply = dbus_connection_send_with_reply_and_block(connection,
+							msg, -1, &derr);
+
+	dbus_message_unref(msg);
+
+	if (dbus_error_is_set(&derr) ||
+			dbus_set_error_from_message(&derr, reply)) {
+		error("Adding service record failed: %s", derr.message);
+		dbus_error_free(&derr);
+		return 0;
+	}
+
+	dbus_message_get_args(reply, &derr, DBUS_TYPE_UINT32, &rec_id,
+							DBUS_TYPE_INVALID);
+
+	if (dbus_error_is_set(&derr)) {
+		error("Invalid arguments to AddServiceRecord reply: %s",
+								derr.message);
+		dbus_message_unref(reply);
+		dbus_error_free(&derr);
+		return 0;
+	}
+
+	dbus_message_unref(reply);
+
+	debug("add_record: got record id 0x%x", rec_id);
+
+	return rec_id;
+}
+
+static int remove_record(uint32_t rec_id)
+{
+	DBusMessage *msg, *reply;
+	DBusError derr;
+
+	msg = dbus_message_new_method_call("org.bluez", "/org/bluez",
+						"org.bluez.Database",
+						"RemoveServiceRecord");
+	if (!msg) {
+		error("Can't allocate new method call");
+		return 0;
+	}
+
+	dbus_message_append_args(msg, DBUS_TYPE_UINT32, &rec_id,
+							DBUS_TYPE_INVALID);
+
+	dbus_error_init(&derr);
+	reply = dbus_connection_send_with_reply_and_block(connection,
+							msg, -1, &derr);
+
+	dbus_message_unref(msg);
+
+	if (dbus_error_is_set(&derr)) {
+		error("Removing service record 0x%x failed: %s",
+						rec_id, derr.message);
+		dbus_error_free(&derr);
+		return 0;
+	}
+
+	dbus_message_unref(reply);
+
+	return 0;
+}
+
+static void send_cancel_auth(struct device *device)
+{
+	DBusMessage *cancel;
+	char addr[18], *address = addr;
+	const char *uuid;
+
+	if (headset_get_type(device) == SVC_HEADSET)
+		uuid = HSP_AG_UUID;
+	else
+		uuid = HFP_AG_UUID;
+
+	cancel = dbus_message_new_method_call("org.bluez", "/org/bluez",
+						"org.bluez.Database",
+						"CancelAuthorizationRequest");
+	if (!cancel) {
+		error("Unable to allocate new method call");
+		return;
+	}
+
+	ba2str(&device->dst, addr);
+
+	dbus_message_append_args(cancel, DBUS_TYPE_STRING, &address,
+						DBUS_TYPE_STRING, &uuid,
+							DBUS_TYPE_INVALID);
+
+	send_message_and_unref(connection, cancel);
+}
+
+static void auth_cb(DBusPendingCall *call, void *data)
+{
+	struct device *device = data;
+	DBusMessage *reply = dbus_pending_call_steal_reply(call);
+	DBusError err;
+
+	dbus_error_init(&err);
+	if (dbus_set_error_from_message(&err, reply)) {
+		error("Access denied: %s", err.message);
+		if (dbus_error_has_name(&err, DBUS_ERROR_NO_REPLY)) {
+			debug("Canceling authorization request");
+			send_cancel_auth(device);
+		}
+		dbus_error_free(&err);
+
+		headset_set_state(device, HEADSET_STATE_DISCONNECTED);
+	} else {
+		char hs_address[18];
+
+		headset_set_state(device, HEADSET_STATE_CONNECTED);
+
+		ba2str(&device->dst, hs_address);
+
+		debug("Accepted headset connection from %s for %s",
+						hs_address, device->path);
+	}
+
+	dbus_message_unref(reply);
+}
+
+static gboolean ag_io_cb(GIOChannel *chan, GIOCondition cond, void *data)
+{
+	int srv_sk, cli_sk;
+	struct sockaddr_rc addr;
+	socklen_t size;
+	char hs_address[18], *address = hs_address;
+	const char *uuid;
+	struct device *device;
+	DBusMessage *auth;
+	DBusPendingCall *pending;
+
+	if (cond & G_IO_NVAL)
+		return FALSE;
+
+	if (cond & (G_IO_HUP | G_IO_ERR)) {
+		error("Hangup or error on rfcomm server socket");
+		g_io_channel_close(chan);
+		raise(SIGTERM);
+		return FALSE;
+	}
+
+	srv_sk = g_io_channel_unix_get_fd(chan);
+
+	size = sizeof(struct sockaddr_rc);
+	cli_sk = accept(srv_sk, (struct sockaddr *) &addr, &size);
+	if (cli_sk < 0) {
+		error("accept: %s (%d)", strerror(errno), errno);
+		return TRUE;
+	}
+
+	device = manager_device_connected(&addr.rc_bdaddr);
+	if (!device) {
+		close(cli_sk);
+		return TRUE;
+	}
+
+	if (headset_get_state(device) > HEADSET_STATE_DISCONNECTED) {
+		debug("Refusing new connection since one already exists");
+		close(cli_sk);
+		return TRUE;
+	}
+
+	if (headset_connect_rfcomm(device, cli_sk) < 0) {
+		error("Allocating new GIOChannel failed!");
+		close(cli_sk);
+		return TRUE;
+	}
+
+	if (chan == hs_server) {
+		headset_set_type(device, SVC_HEADSET);
+		uuid = HSP_AG_UUID;
+	} else {
+		headset_set_type(device, SVC_HANDSFREE);
+		uuid = HFP_AG_UUID;
+	}
+
+	auth = dbus_message_new_method_call("org.bluez", "/org/bluez",
+						"org.bluez.Database",
+						"RequestAuthorization");
+	if (!auth) {
+		error("Unable to allocate RequestAuthorization method call");
+		goto failed;
+	}
+
+	ba2str(&device->dst, hs_address);
+
+	dbus_message_append_args(auth, DBUS_TYPE_STRING, &address,
+						DBUS_TYPE_STRING, &uuid,
+							DBUS_TYPE_INVALID);
+
+	if (!dbus_connection_send_with_reply(connection, auth, &pending, -1)) {
+		error("Sending of authorization request failed");
+		goto failed;
+	}
+
+	dbus_pending_call_set_notify(pending, auth_cb, device, NULL);
+	dbus_pending_call_unref(pending);
+	dbus_message_unref(auth);
+	headset_set_state(device, HEADSET_STATE_CONNECT_IN_PROGRESS);
+
+	return TRUE;
+
+failed:
+	headset_close_rfcomm(device);
+
+	return TRUE;
+}
+
+static GIOChannel *server_socket(uint8_t *channel)
+{
+	int sock, lm;
+	struct sockaddr_rc addr;
+	socklen_t sa_len;
+	GIOChannel *io;
+
+	sock = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
+	if (sock < 0) {
+		error("server socket: %s (%d)", strerror(errno), errno);
+		return NULL;
+	}
+
+	lm = RFCOMM_LM_SECURE;
+	if (setsockopt(sock, SOL_RFCOMM, RFCOMM_LM, &lm, sizeof(lm)) < 0) {
+		error("server setsockopt: %s (%d)", strerror(errno), errno);
+		close(sock);
+		return NULL;
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.rc_family = AF_BLUETOOTH;
+	bacpy(&addr.rc_bdaddr, BDADDR_ANY);
+	addr.rc_channel = channel ? *channel : 0;
+
+	if (bind(sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		error("server bind: %s", strerror(errno), errno);
+		close(sock);
+		return NULL;
+	}
+
+	if (listen(sock, 1) < 0) {
+		error("server listen: %s", strerror(errno), errno);
+		close(sock);
+		return NULL;
+	}
+
+	sa_len = sizeof(struct sockaddr_rc);
+	getsockname(sock, (struct sockaddr *) &addr, &sa_len);
+	*channel = addr.rc_channel;
+
+	io = g_io_channel_unix_new(sock);
+	if (!io) {
+		error("Unable to allocate new io channel");
+		close(sock);
+		return NULL;
+	}
+
+	return io;
+}
+
+static int server_init(DBusConnection *conn, gboolean no_hfp)
+{
+	uint8_t chan = DEFAULT_HS_AG_CHANNEL;
+	sdp_buf_t buf;
+
+	hs_server = server_socket(&chan);
+	if (!hs_server)
+		return -1;
+
+	if (hsp_ag_record(&buf, chan) < 0) {
+		error("Unable to allocate new service record");
+		return -1;
+	}
+
+	hs_record_id = add_record(chan, &buf);
+	free(buf.data);
+	if (!hs_record_id) {
+		error("Unable to register HS AG service record");
+		g_io_channel_unref(hs_server);
+		hs_server = NULL;
+		return -1;
+	}
+
+	g_io_add_watch(hs_server, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+						(GIOFunc) ag_io_cb, NULL);
+
+	if (no_hfp)
+		return 0;
+
+	chan = DEFAULT_HF_AG_CHANNEL;
+
+	hf_server = server_socket(&chan);
+	if (!hf_server)
+		return -1;
+
+	if (hfp_ag_record(&buf, chan) < 0) {
+		error("Unable to allocate new service record");
+		return -1;
+	}
+
+	hf_record_id = add_record(chan, &buf);
+	free(buf.data);
+	if (!hf_record_id) {
+		error("Unable to register HS AG service record");
+		g_io_channel_unref(hf_server);
+		hs_server = NULL;
+		return -1;
+	}
+
+	g_io_add_watch(hf_server, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+						(GIOFunc) ag_io_cb, NULL);
+
+	return 0;
+}
+
+static void server_exit(void)
+{
+	if (hs_record_id) {
+		remove_record(hs_record_id);
+		hs_record_id = 0;
+	}
+
+	if (hs_server) {
+		g_io_channel_unref(hs_server);
+		hs_server = NULL;
+	}
+
+	if (hf_record_id) {
+		remove_record(hf_record_id);
+		hf_record_id = 0;
+	}
+
+	if (hf_server) {
+		g_io_channel_unref(hf_server);
+		hf_server = NULL;
+	}
+}
+
+int audio_init(DBusConnection *conn, gboolean no_hfp, gboolean sco_hci)
 {
+	connection = dbus_connection_ref(conn);
+
+	if (server_init(conn, no_hfp) < 0)
+		goto failed;
+
 	if (!dbus_connection_create_object_path(conn, AUDIO_MANAGER_PATH,
 						NULL, manager_unregister)) {
 		error("D-Bus failed to register %s path", AUDIO_MANAGER_PATH);
-		return -1;
+		goto failed;
 	}
 
 	if (!dbus_connection_register_interface(conn, AUDIO_MANAGER_PATH,
@@ -1206,22 +1730,23 @@ int audio_init(DBusConnection *conn)
 						manager_signals, NULL)) {
 		error("Failed to register %s interface to %s",
 				AUDIO_MANAGER_INTERFACE, AUDIO_MANAGER_PATH);
-		dbus_connection_destroy_object_path(conn,
-							AUDIO_MANAGER_PATH);
-		return -1;
+		goto failed;
 	}
 
-	connection = dbus_connection_ref(conn);
-
 	info("Registered manager path:%s", AUDIO_MANAGER_PATH);
 
 	register_stored();
 
 	return 0;
+failed:
+	audio_exit();
+	return -1;
 }
 
 void audio_exit(void)
 {
+	server_exit();
+
 	dbus_connection_destroy_object_path(connection, AUDIO_MANAGER_PATH);
 
 	dbus_connection_unref(connection);