It watches Bluetooth adapter property changes and added DUN record to
listen client connection request. Btio library is the low level socket
API for RFCOMM connection.
---
plugins/bluetooth.c | 379 ++++++++++++++++++++++++++++++++++++++++
plugins/bluetooth.h | 14 ++
plugins/btio.c | 480 +++++++++++++++++++++++++++++++++++++++++++++++++++
plugins/btio.h | 118 +++++++++++++
4 files changed, 991 insertions(+), 0 deletions(-)
create mode 100644 plugins/btio.c
create mode 100644 plugins/btio.h
diff --git a/plugins/bluetooth.c b/plugins/bluetooth.c
index 10cc49d..5890161 100644
--- a/plugins/bluetooth.c
+++ b/plugins/bluetooth.c
@@ -35,12 +35,71 @@
#include <ofono/dbus.h>
#include "bluetooth.h"
+#include "btio.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 fb0d841..ab42c99 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
@@ -22,12 +23,16 @@
#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 HFP_AG_UUID "0000111F-0000-1000-8000-00805F9B34FB"
/* 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,
@@ -36,10 +41,19 @@ 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);
diff --git a/plugins/btio.c b/plugins/btio.c
new file mode 100644
index 0000000..ab52a10
--- /dev/null
+++ b/plugins/btio.c
@@ -0,0 +1,480 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2009 Marcel Holtmann <[email protected]>
+ * Copyright (C) 2009 Nokia Corporation
+ * 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <poll.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <glib.h>
+
+#include "btio.h"
+
+#define ERROR_FAILED(gerr, str, err) \
+ g_set_error(gerr, BT_IO_ERROR, BT_IO_ERROR_FAILED, \
+ str ": %s (%d)", strerror(err), err)
+
+#define DEFAULT_DEFER_TIMEOUT 30
+
+struct set_opts {
+ bdaddr_t src;
+ int defer;
+ int sec_level;
+ uint8_t channel;
+ int master;
+};
+
+struct connect {
+ BtIOConnect connect;
+ gpointer user_data;
+ GDestroyNotify destroy;
+};
+
+struct accept {
+ BtIOConnect connect;
+ gpointer user_data;
+ GDestroyNotify destroy;
+};
+
+struct server {
+ BtIOConnect connect;
+ BtIOConfirm confirm;
+ gpointer user_data;
+ GDestroyNotify destroy;
+};
+
+static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
+{
+ memcpy(dst, src, sizeof(bdaddr_t));
+}
+
+static void baswap(bdaddr_t *dst, const bdaddr_t *src)
+{
+ register unsigned char *d = (unsigned char *) dst;
+ register const unsigned char *s = (const unsigned char *) src;
+ register int i;
+
+ for (i = 0; i < 6; i++)
+ d[i] = s[5-i];
+}
+
+static int ba2str(const bdaddr_t *ba, char *str)
+{
+ uint8_t b[6];
+
+ baswap((bdaddr_t *) b, ba);
+ return sprintf(str, "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
+ b[0], b[1], b[2], b[3], b[4], b[5]);
+}
+
+static void server_remove(struct server *server)
+{
+ if (server->destroy)
+ server->destroy(server->user_data);
+ g_free(server);
+}
+
+static void accept_remove(struct accept *accept)
+{
+ if (accept->destroy)
+ accept->destroy(accept->user_data);
+ g_free(accept);
+}
+
+static gboolean accept_cb(GIOChannel *io, GIOCondition cond,
+ gpointer user_data)
+{
+ struct accept *accept = user_data;
+ GError *err = NULL;
+
+ /* If the user aborted this accept attempt */
+ if (cond & G_IO_NVAL)
+ return FALSE;
+
+ if (cond & (G_IO_HUP | G_IO_ERR))
+ g_set_error(&err, BT_IO_ERROR, BT_IO_ERROR_DISCONNECTED,
+ "HUP or ERR on socket");
+
+ accept->connect(io, err, accept->user_data);
+
+ g_clear_error(&err);
+
+ return FALSE;
+}
+
+static gboolean server_cb(GIOChannel *io, GIOCondition cond,
+ gpointer user_data)
+{
+ struct server *server = user_data;
+ int srv_sock, cli_sock;
+ GIOChannel *cli_io;
+
+ /* If the user closed the server */
+ if (cond & G_IO_NVAL)
+ return FALSE;
+
+ srv_sock = g_io_channel_unix_get_fd(io);
+
+ cli_sock = accept(srv_sock, NULL, NULL);
+ if (cli_sock < 0)
+ return TRUE;
+
+ cli_io = g_io_channel_unix_new(cli_sock);
+
+ g_io_channel_set_close_on_unref(cli_io, TRUE);
+ g_io_channel_set_flags(cli_io, G_IO_FLAG_NONBLOCK, NULL);
+
+ if (server->confirm)
+ server->confirm(cli_io, server->user_data);
+ else
+ server->connect(cli_io, NULL, server->user_data);
+
+ g_io_channel_unref(cli_io);
+
+ return TRUE;
+}
+
+static void server_add(GIOChannel *io, BtIOConnect connect,
+ BtIOConfirm confirm, gpointer user_data,
+ GDestroyNotify destroy)
+{
+ struct server *server;
+ GIOCondition cond;
+
+ server = g_new0(struct server, 1);
+ server->connect = connect;
+ server->confirm = confirm;
+ server->user_data = user_data;
+ server->destroy = destroy;
+
+ cond = G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL;
+ g_io_add_watch_full(io, G_PRIORITY_DEFAULT, cond, server_cb, server,
+ (GDestroyNotify) server_remove);
+}
+
+static void accept_add(GIOChannel *io, BtIOConnect connect, gpointer user_data,
+ GDestroyNotify destroy)
+{
+ struct accept *accept;
+ GIOCondition cond;
+
+ accept = g_new0(struct accept, 1);
+ accept->connect = connect;
+ accept->user_data = user_data;
+ accept->destroy = destroy;
+
+ cond = G_IO_OUT | G_IO_ERR | G_IO_HUP | G_IO_NVAL;
+ g_io_add_watch_full(io, G_PRIORITY_DEFAULT, cond, accept_cb, accept,
+ (GDestroyNotify) accept_remove);
+}
+
+static int rfcomm_set_lm(int sock, int level)
+{
+ int lm_map[] = {
+ 0,
+ RFCOMM_LM_AUTH,
+ RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT,
+ RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT | RFCOMM_LM_SECURE,
+ }, opt = lm_map[level];
+
+ if (setsockopt(sock, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0)
+ return -errno;
+
+ return 0;
+}
+
+static gboolean set_sec_level(int sock, BtIOType type, int level, GError **err)
+{
+ struct bt_security sec;
+ int ret;
+
+ if (level < BT_SECURITY_LOW || level > BT_SECURITY_HIGH) {
+ g_set_error(err, BT_IO_ERROR, BT_IO_ERROR_INVALID_ARGS,
+ "Valid security level range is %d-%d",
+ BT_SECURITY_LOW, BT_SECURITY_HIGH);
+ return FALSE;
+ }
+
+ memset(&sec, 0, sizeof(sec));
+ sec.level = level;
+
+ if (setsockopt(sock, SOL_BLUETOOTH, BT_SECURITY, &sec,
+ sizeof(sec)) == 0)
+ return TRUE;
+
+ if (errno != ENOPROTOOPT) {
+ ERROR_FAILED(err, "setsockopt(BT_SECURITY)", errno);
+ return FALSE;
+ }
+
+ ret = rfcomm_set_lm(sock, level);
+ if (ret < 0) {
+ ERROR_FAILED(err, "setsockopt(LM)", -ret);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static int rfcomm_bind(int sock, const bdaddr_t *src, uint8_t channel)
+{
+ struct sockaddr_rc addr;
+
+ memset(&addr, 0, sizeof(addr));
+ addr.rc_family = AF_BLUETOOTH;
+ bacpy(&addr.rc_bdaddr, src);
+ addr.rc_channel = channel;
+
+ return bind(sock, (struct sockaddr *) &addr, sizeof(addr));
+}
+
+static gboolean rfcomm_set(int sock, int sec_level, int master, GError **err)
+{
+ if (sec_level && !set_sec_level(sock, BT_IO_RFCOMM, sec_level, err))
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean parse_set_opts(struct set_opts *opts, GError **err,
+ BtIOOption opt1, va_list args)
+{
+ BtIOOption opt = opt1;
+
+ memset(opts, 0, sizeof(*opts));
+
+ /* Set defaults */
+ opts->defer = DEFAULT_DEFER_TIMEOUT;
+ opts->master = -1;
+
+ while (opt != BT_IO_OPT_INVALID) {
+ switch (opt) {
+ case BT_IO_OPT_CHANNEL:
+ opts->channel = va_arg(args, int);
+ break;
+ case BT_IO_OPT_SEC_LEVEL:
+ opts->sec_level = va_arg(args, int);
+ break;
+ default:
+ g_set_error(err, BT_IO_ERROR, BT_IO_ERROR_INVALID_ARGS,
+ "Unknown option %d", opt);
+ return FALSE;
+ }
+
+ opt = va_arg(args, int);
+ }
+
+ return TRUE;
+}
+
+static gboolean get_peers(int sock, struct sockaddr *src, struct sockaddr *dst,
+ socklen_t len, GError **err)
+{
+ socklen_t olen;
+
+ memset(src, 0, len);
+ olen = len;
+ if (getsockname(sock, src, &olen) < 0) {
+ ERROR_FAILED(err, "getsockname", errno);
+ return FALSE;
+ }
+
+ memset(dst, 0, len);
+ olen = len;
+ if (getpeername(sock, dst, &olen) < 0) {
+ ERROR_FAILED(err, "getpeername", errno);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean rfcomm_get(int sock, GError **err, BtIOOption opt1,
+ va_list args)
+{
+ BtIOOption opt = opt1;
+ struct sockaddr_rc src, dst;
+
+ if (!get_peers(sock, (struct sockaddr *) &src,
+ (struct sockaddr *) &dst, sizeof(src), err))
+ return FALSE;
+
+ while (opt != BT_IO_OPT_INVALID) {
+ switch (opt) {
+ case BT_IO_OPT_SOURCE:
+ ba2str(&src.rc_bdaddr, va_arg(args, char *));
+ break;
+ case BT_IO_OPT_DEST:
+ ba2str(&dst.rc_bdaddr, va_arg(args, char *));
+ break;
+ case BT_IO_OPT_CHANNEL:
+ *(va_arg(args, uint8_t *)) = src.rc_channel ?
+ src.rc_channel : dst.rc_channel;
+ break;
+ default:
+ g_set_error(err, BT_IO_ERROR, BT_IO_ERROR_INVALID_ARGS,
+ "Unknown option %d", opt);
+ return FALSE;
+ }
+
+ opt = va_arg(args, int);
+ }
+
+ return TRUE;
+}
+
+static gboolean get_valist(GIOChannel *io, BtIOType type, GError **err,
+ BtIOOption opt1, va_list args)
+{
+ int sock = g_io_channel_unix_get_fd(io);
+
+ if (type != BT_IO_RFCOMM) {
+ g_set_error(err, BT_IO_ERROR, BT_IO_ERROR_INVALID_ARGS,
+ "Unknown BtIO type %d", type);
+ return FALSE;
+ }
+
+ return rfcomm_get(sock, err, opt1, args);
+}
+
+gboolean bt_io_accept(GIOChannel *io, BtIOConnect connect, gpointer user_data,
+ GDestroyNotify destroy, GError **err)
+{
+ int sock;
+ char c;
+ struct pollfd pfd;
+
+ sock = g_io_channel_unix_get_fd(io);
+
+ memset(&pfd, 0, sizeof(pfd));
+ pfd.fd = sock;
+ pfd.events = POLLOUT;
+
+ if (poll(&pfd, 1, 0) < 0) {
+ ERROR_FAILED(err, "poll", errno);
+ return FALSE;
+ }
+
+ if (!(pfd.revents & POLLOUT)) {
+ int ret;
+ ret = read(sock, &c, 1);
+ }
+
+ accept_add(io, connect, user_data, destroy);
+
+ return TRUE;
+}
+
+gboolean bt_io_get(GIOChannel *io, BtIOType type, GError **err,
+ BtIOOption opt1, ...)
+{
+ va_list args;
+ gboolean ret;
+
+ va_start(args, opt1);
+ ret = get_valist(io, type, err, opt1, args);
+ va_end(args);
+
+ return ret;
+}
+
+static GIOChannel *create_io(BtIOType type, gboolean server,
+ struct set_opts *opts, GError **err)
+{
+ int sock;
+ GIOChannel *io;
+
+ if (type != BT_IO_RFCOMM)
+ return NULL;
+
+ sock = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
+ if (sock < 0) {
+ ERROR_FAILED(err, "socket(STREAM, RFCOMM)", errno);
+ return NULL;
+ }
+
+ if (rfcomm_bind(sock, &opts->src,
+ server ? opts->channel : 0) < 0) {
+ ERROR_FAILED(err, "rfcomm_bind", errno);
+ return NULL;
+ }
+
+ if (!rfcomm_set(sock, opts->sec_level, opts->master, err))
+ return NULL;
+
+ io = g_io_channel_unix_new(sock);
+
+ g_io_channel_set_close_on_unref(io, TRUE);
+ g_io_channel_set_flags(io, G_IO_FLAG_NONBLOCK, NULL);
+
+ return io;
+}
+
+GIOChannel *bt_io_listen(BtIOType type, BtIOConnect connect,
+ BtIOConfirm confirm, gpointer user_data,
+ GDestroyNotify destroy, GError **err,
+ BtIOOption opt1, ...)
+{
+ GIOChannel *io;
+ va_list args;
+ struct set_opts opts;
+ int sock;
+ gboolean ret;
+
+ va_start(args, opt1);
+ ret = parse_set_opts(&opts, err, opt1, args);
+ va_end(args);
+
+ if (ret == FALSE)
+ return NULL;
+
+ io = create_io(type, TRUE, &opts, err);
+ if (io == NULL)
+ return NULL;
+
+ sock = g_io_channel_unix_get_fd(io);
+
+ if (confirm)
+ setsockopt(sock, SOL_BLUETOOTH, BT_DEFER_SETUP, &opts.defer,
+ sizeof(opts.defer));
+
+ if (listen(sock, 5) < 0) {
+ ERROR_FAILED(err, "listen", errno);
+ g_io_channel_unref(io);
+ return NULL;
+ }
+
+ server_add(io, connect, confirm, user_data, destroy);
+
+ return io;
+}
+
+GQuark bt_io_error_quark(void)
+{
+ return g_quark_from_static_string("bt-io-error-quark");
+}
+
diff --git a/plugins/btio.h b/plugins/btio.h
new file mode 100644
index 0000000..78d5961
--- /dev/null
+++ b/plugins/btio.h
@@ -0,0 +1,118 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2009 Marcel Holtmann <[email protected]>
+ * Copyright (C) 2009 Nokia Corporation
+ * 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include <glib.h>
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <endian.h>
+#include <byteswap.h>
+
+#ifndef AF_BLUETOOTH
+#define AF_BLUETOOTH 31
+#define PF_BLUETOOTH AF_BLUETOOTH
+#endif
+
+#define BTPROTO_RFCOMM 3
+#define SOL_RFCOMM 18
+#define SOL_BLUETOOTH 274
+
+struct bt_security {
+ uint8_t level;
+};
+#define BT_SECURITY_SDP 0
+#define BT_SECURITY_LOW 1
+#define BT_SECURITY_MEDIUM 2
+#define BT_SECURITY_HIGH 3
+#define BT_SECURITY 4
+
+#define BT_DEFER_SETUP 7
+
+/* BD Address */
+typedef struct {
+ uint8_t b[6];
+} __attribute__((packed)) bdaddr_t;
+
+#define RFCOMM_LM 0x03
+#define RFCOMM_LM_AUTH 0x0002
+#define RFCOMM_LM_ENCRYPT 0x0004
+#define RFCOMM_LM_TRUSTED 0x0008
+#define RFCOMM_LM_RELIABLE 0x0010
+#define RFCOMM_LM_SECURE 0x0020
+
+#include <sys/socket.h>
+
+/* RFCOMM socket address */
+struct sockaddr_rc {
+ sa_family_t rc_family;
+ bdaddr_t rc_bdaddr;
+ uint8_t rc_channel;
+};
+
+typedef enum {
+ BT_IO_ERROR_DISCONNECTED,
+ BT_IO_ERROR_CONNECT_FAILED,
+ BT_IO_ERROR_FAILED,
+ BT_IO_ERROR_INVALID_ARGS,
+} BtIOError;
+
+#define BT_IO_ERROR bt_io_error_quark()
+
+GQuark bt_io_error_quark(void);
+
+typedef enum {
+ BT_IO_RFCOMM,
+} BtIOType;
+
+typedef enum {
+ BT_IO_OPT_INVALID = 0,
+ BT_IO_OPT_SOURCE,
+ BT_IO_OPT_DEST,
+ BT_IO_OPT_SEC_LEVEL,
+ BT_IO_OPT_CHANNEL,
+} BtIOOption;
+
+typedef enum {
+ BT_IO_SEC_SDP = 0,
+ BT_IO_SEC_LOW,
+ BT_IO_SEC_MEDIUM,
+ BT_IO_SEC_HIGH,
+} BtIOSecLevel;
+
+typedef void (*BtIOConfirm)(GIOChannel *io, gpointer user_data);
+
+typedef void (*BtIOConnect)(GIOChannel *io, GError *err, gpointer user_data);
+
+gboolean bt_io_accept(GIOChannel *io, BtIOConnect connect, gpointer user_data,
+ GDestroyNotify destroy, GError **err);
+
+gboolean bt_io_get(GIOChannel *io, BtIOType type, GError **err,
+ BtIOOption opt1, ...);
+
+GIOChannel *bt_io_listen(BtIOType type, BtIOConnect connect,
+ BtIOConfirm confirm, gpointer user_data,
+ GDestroyNotify destroy, GError **err,
+ BtIOOption opt1, ...);
--
1.7.0.4
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