It watches Bluetooth adapter property changes and addes DUN record to
listen DUN client connection request.
---
plugins/bluetooth.c | 379 +++++++++++++++++++++++++++++++++++++++++++++++++++
plugins/bluetooth.h | 14 ++
2 files changed, 393 insertions(+), 0 deletions(-)
diff --git a/plugins/bluetooth.c b/plugins/bluetooth.c
index 10cc49d..0577747 100644
--- a/plugins/bluetooth.c
+++ b/plugins/bluetooth.c
@@ -34,13 +34,72 @@
#include <ofono/dbus.h>
+#include <btio.h>
#include "bluetooth.h"
static DBusConnection *connection;
static GHashTable *uuid_hash = NULL;
static GHashTable *adapter_address_hash = NULL;
+static GSList *server_list = NULL;
static gint ref_count;
+static const gchar *dun_record = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>
\
+<record>
\
+ <attribute id=\"0x0001\">
\
+ <sequence>
\
+ <uuid value=\"0x1103\"/>
\
+ </sequence>
\
+ </attribute>
\
+
\
+ <attribute id=\"0x0004\">
\
+ <sequence>
\
+ <sequence>
\
+ <uuid value=\"0x0100\"/>
\
+ </sequence>
\
+ <sequence>
\
+ <uuid value=\"0x0003\"/>
\
+ <uint8 value=\"%u\" name=\"channel\"/>
\
+ </sequence>
\
+ <sequence>
\
+ <uuid value=\"0x0008\"/>
\
+ </sequence>
\
+ </sequence>
\
+ </attribute>
\
+
\
+ <attribute id=\"0x0009\">
\
+ <sequence>
\
+ <sequence>
\
+ <uuid value=\"0x1103\"/>
\
+ <uint16 value=\"0x0100\" name=\"version\"/>
\
+ </sequence>
\
+ </sequence>
\
+ </attribute>
\
+
\
+ <attribute id=\"0x0100\">
\
+ <text value=\"%s\" name=\"name\"/>
\
+ </attribute>
\
+</record>";
+
+#define TIMEOUT (60*1000) /* Timeout for user response (miliseconds) */
+
+struct client {
+ GIOChannel *io;
+ guint watch;
+};
+
+struct server {
+ guint16 service;
+ gchar *name;
+ guint8 channel;
+ GIOChannel *io;
+ gchar *adapter;
+ guint handle;
+ ConnectFunc connect_cb;
+ gpointer user_data;
+
+ struct client client;
+};
+
void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
char *buf, int size)
{
@@ -370,6 +429,253 @@ static gboolean property_changed(DBusConnection
*connection, DBusMessage *msg,
return TRUE;
}
+static void disconnect(struct server *server)
+{
+ struct client *client = &server->client;
+
+ if (!client->io)
+ return;
+
+ g_io_channel_unref(client->io);
+ client->io = NULL;
+
+ if (client->watch > 0) {
+ g_source_remove(client->watch);
+ client->watch = 0;
+ }
+
+ return;
+}
+
+static void server_stop(gpointer data, gpointer user_data)
+{
+ struct server *server = data;
+
+ disconnect(server);
+
+ if (server->handle) {
+ DBusMessage *msg;
+
+ msg = dbus_message_new_method_call(BLUEZ_SERVICE,
+ server->adapter,
+ BLUEZ_SERVICE_INTERFACE,
+ "RemoveRecord");
+ dbus_message_append_args(msg, DBUS_TYPE_UINT32, &server->handle,
+ DBUS_TYPE_INVALID);
+ g_dbus_send_message(connection, msg);
+
+ server->handle = 0;
+ }
+
+ if (server->io) {
+ g_io_channel_shutdown(server->io, TRUE, NULL);
+ g_io_channel_unref(server->io);
+ server->io = NULL;
+ }
+
+ g_free(server->adapter);
+ server->adapter = NULL;
+}
+
+static gboolean client_event(GIOChannel *chan, GIOCondition cond, gpointer
data)
+{
+ struct server *server = data;
+
+ disconnect(server);
+
+ return FALSE;
+}
+
+static void cancel_authorization(struct server *server)
+{
+ DBusMessage *msg;
+
+ if (!server->adapter)
+ return;
+
+ msg = dbus_message_new_method_call(BLUEZ_SERVICE, server->adapter,
+ BLUEZ_SERVICE_INTERFACE,
+ "CancelAuthorization");
+
+ g_dbus_send_message(connection, msg);
+}
+
+static void auth_cb(DBusPendingCall *call, gpointer user_data)
+{
+ struct server *server = user_data;
+ struct client *client = &server->client;
+ GIOChannel *io = client->io;
+ DBusMessage *reply = dbus_pending_call_steal_reply(call);
+ DBusError derr;
+ GError *err = NULL;
+
+ dbus_error_init(&derr);
+
+ if (dbus_set_error_from_message(&derr, reply)) {
+ ofono_error("RequestAuthorization error: %s, %s",
+ derr.name, derr.message);
+
+ if (dbus_error_has_name(&derr, DBUS_ERROR_NO_REPLY))
+ cancel_authorization(server);
+
+ dbus_error_free(&derr);
+ goto failed;
+ }
+
+ ofono_info("RequestAuthorization succeeded");
+
+ if (!bt_io_accept(io, server->connect_cb, server->user_data,
+ NULL, &err)) {
+ ofono_error("%s", err->message);
+ g_error_free(err);
+ goto failed;
+ }
+
+ g_source_remove(client->watch);
+
+ client->watch = g_io_add_watch(client->io,
+ G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+ client_event, server);
+
+ dbus_message_unref(reply);
+
+ return;
+
+failed:
+ dbus_message_unref(reply);
+ disconnect(server);
+}
+
+static gboolean auth_watch(GIOChannel *io, GIOCondition cond,
+ gpointer user_data)
+{
+ struct server *server = user_data;
+
+ cancel_authorization(server);
+ disconnect(server);
+
+ return FALSE;
+}
+
+static void confirm_event(GIOChannel *io, gpointer user_data)
+{
+ struct server *server = user_data;
+ struct client *client = &server->client;
+ GError *err = NULL;
+ char address[18];
+ const char *addr;
+ guint8 channel;
+ int ret;
+
+ if (client->io) {
+ ofono_error("Rejecting connection since one client already \
+ connected");
+ return;
+ }
+
+ bt_io_get(io, BT_IO_RFCOMM, &err, BT_IO_OPT_DEST, address,
+ BT_IO_OPT_CHANNEL, &channel,
+ BT_IO_OPT_INVALID);
+ if (err) {
+ ofono_error("%s", err->message);
+ g_error_free(err);
+ return;
+ }
+
+ ofono_info("New connection from: %s, channel %u", address, channel);
+
+ addr = address;
+ ret = bluetooth_send_with_reply(server->adapter,
+ BLUEZ_SERVICE_INTERFACE,
+ "RequestAuthorization",
+ auth_cb, server, NULL, TIMEOUT,
+ DBUS_TYPE_STRING, &addr,
+ DBUS_TYPE_UINT32, &server->handle,
+ DBUS_TYPE_INVALID);
+ if (ret < 0) {
+ ofono_error("Request Bluetooth authorization failed");
+ return;
+ }
+
+ ofono_info("RequestAuthorization(%s, 0x%x)", address, server->handle);
+
+ client->io = g_io_channel_ref(io);
+ client->watch = g_io_add_watch(io, G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+ auth_watch, server);
+
+ return;
+}
+
+static void add_record_cb(DBusPendingCall *call, gpointer user_data)
+{
+ struct server *server = user_data;
+ DBusMessage *reply = dbus_pending_call_steal_reply(call);
+ DBusError derr;
+ guint32 handle;
+
+ dbus_error_init(&derr);
+
+ if (dbus_set_error_from_message(&derr, reply)) {
+ ofono_error("Replied with an error: %s, %s",
+ derr.name, derr.message);
+ dbus_error_free(&derr);
+ server_stop(server, NULL);
+ goto done;
+ }
+
+ dbus_message_get_args(reply, NULL, DBUS_TYPE_UINT32, &handle,
+ DBUS_TYPE_INVALID);
+ server->handle = handle;
+
+ ofono_info("Registered: %s, handle: 0x%x", server->name, handle);
+
+done:
+ dbus_message_unref(reply);
+}
+
+static void server_start(gpointer data, gpointer user_data)
+{
+ struct server *server = data;
+ gchar *path = user_data;
+ GError *err = NULL;
+ gchar *xml;
+
+ if (server->handle != 0)
+ return;
+
+ if (server->service != DUN_GW)
+ goto failed;
+
+ server->io = bt_io_listen(BT_IO_RFCOMM, NULL, confirm_event,
+ server, NULL, &err,
+ BT_IO_OPT_CHANNEL, server->channel,
+ BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
+ BT_IO_OPT_INVALID);
+ if (!server->io) {
+ ofono_error("Bluetooth %s register failed: %s",
+ server->name, err->message);
+ g_error_free(err);
+ goto failed;
+ }
+
+ server->adapter = g_strdup(path);
+
+ xml = g_markup_printf_escaped(dun_record, server->channel,
+ server->name);
+
+ bluetooth_send_with_reply(path, BLUEZ_SERVICE_INTERFACE, "AddRecord",
+ add_record_cb, server, NULL, -1,
+ DBUS_TYPE_STRING, &xml,
+ DBUS_TYPE_INVALID);
+
+ g_free(xml);
+
+ return;
+
+failed:
+ server_stop(server, NULL);
+}
+
static void adapter_properties_cb(DBusPendingCall *call, gpointer user_data)
{
const char *path = user_data;
@@ -394,6 +700,9 @@ static void adapter_properties_cb(DBusPendingCall *call,
gpointer user_data)
g_hash_table_insert(adapter_address_hash,
g_strdup(path), g_strdup(addr));
+ if (server_list)
+ g_slist_foreach(server_list, server_start, (gpointer)path);
+
for (l = device_list; l; l = l->next) {
const char *device = l->data;
@@ -428,11 +737,26 @@ static gboolean adapter_removed(DBusConnection
*connection,
DBusMessage *message, void *user_data)
{
const char *path;
+ GSList *l;
if (dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID) == TRUE)
g_hash_table_remove(adapter_address_hash, path);
+ for (l = server_list; l; l = l->next) {
+ struct server *server = l->data;
+
+ if (!server->adapter)
+ continue;
+
+ if (!g_str_equal(path, server->adapter))
+ continue;
+
+ /* Don't remove handle if the adapter has been removed */
+ server->handle = 0;
+ server_stop(server, NULL);
+ }
+
return TRUE;
}
@@ -564,6 +888,7 @@ static int bluetooth_ref()
static void bluetooth_unref()
{
gboolean is_zero;
+ GSList *l;
is_zero = g_atomic_int_dec_and_test(&ref_count);
@@ -580,6 +905,20 @@ static void bluetooth_unref()
if (adapter_address_hash)
g_hash_table_destroy(adapter_address_hash);
+
+ if (server_list == NULL)
+ return;
+
+ for (l = server_list; l; l = l->next) {
+ struct server *server = l->data;
+
+ server_stop(server, NULL);
+ g_free(server->name);
+ g_free(server);
+ }
+
+ g_slist_free(server_list);
+ server_list = NULL;
}
int bluetooth_register_uuid(const char *uuid, struct bluetooth_profile
*profile)
@@ -604,5 +943,45 @@ void bluetooth_unregister_uuid(const char *uuid)
bluetooth_unref();
}
+struct server *bluetooth_register_server(guint16 service, char *name,
+ guint8 channel, ConnectFunc cb,
+ gpointer user_data)
+{
+ struct server *server;
+ int err = bluetooth_ref();
+
+ if (err != 0)
+ return NULL;
+
+ server = g_try_new0(struct server, 1);
+ if (!server)
+ return NULL;
+
+ server->service = service;
+ server->name = g_strdup(name);
+ server->channel = channel;
+ server->connect_cb = cb;
+ server->user_data = user_data;
+
+ server_list = g_slist_prepend(server_list, server);
+
+ bluetooth_send_with_reply("/", BLUEZ_MANAGER_INTERFACE, "GetProperties",
+ manager_properties_cb, NULL, NULL, -1,
+ DBUS_TYPE_INVALID);
+
+ return server;
+}
+
+void bluetooth_unregister_server(struct server *server)
+{
+ server_list = g_slist_remove(server_list, server);
+
+ server_stop(server, NULL);
+ g_free(server->name);
+ g_free(server);
+
+ bluetooth_unref();
+}
+
OFONO_PLUGIN_DEFINE(bluetooth, "Bluetooth Utils Plugins", VERSION,
OFONO_PLUGIN_PRIORITY_DEFAULT, NULL, NULL)
diff --git a/plugins/bluetooth.h b/plugins/bluetooth.h
index b70bb0c..1780e85 100644
--- a/plugins/bluetooth.h
+++ b/plugins/bluetooth.h
@@ -2,6 +2,7 @@
* oFono - Open Source Telephony
*
* Copyright (C) 2010 Gustavo F. Padovan <[email protected]>
+ * Copyright (C) 2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -22,6 +23,7 @@
#define BLUEZ_MANAGER_INTERFACE BLUEZ_SERVICE ".Manager"
#define BLUEZ_ADAPTER_INTERFACE BLUEZ_SERVICE ".Adapter"
#define BLUEZ_DEVICE_INTERFACE BLUEZ_SERVICE ".Device"
+#define BLUEZ_SERVICE_INTERFACE BLUEZ_SERVICE ".Service"
#define DBUS_TIMEOUT 15
@@ -30,6 +32,9 @@
/* Profiles bitfield */
#define HFP_AG 0x01
+/* Service bitfield */
+#define DUN_GW 0x01
+
struct bluetooth_profile {
const char *name;
int (*create)(const char *device, const char *dev_addr,
@@ -38,10 +43,19 @@ struct bluetooth_profile {
void (*set_alias)(const char *device, const char *);
};
+typedef void (*ConnectFunc)(GIOChannel *io, GError *err, gpointer user_data);
+
+struct server;
+
int bluetooth_register_uuid(const char *uuid,
struct bluetooth_profile *profile);
void bluetooth_unregister_uuid(const char *uuid);
+struct server *bluetooth_register_server(guint16 service, char *name,
+ guint8 channel, ConnectFunc cb,
+ gpointer user_data);
+void bluetooth_unregister_server(struct server *server);
+
void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
char *buf, int size);
--
1.7.0.4
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