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authorAdrian Bunk <adrian.bunk@movial.com>2011-06-03 09:17:04 +0000
committerAdrian Bunk <adrian.bunk@movial.com>2011-06-03 09:17:04 +0000
commit799757ccf1d03c33c75bc597cd5ef77741dcb6a7 (patch)
treea8c3be85c730de28b012586591b76301033d3d21 /serial
Imported upstream 4.91upstream-4.91upstreampackaging
Diffstat (limited to 'serial')
-rw-r--r--serial/main.c59
-rw-r--r--serial/manager.c176
-rw-r--r--serial/manager.h25
-rw-r--r--serial/port.c622
-rw-r--r--serial/port.h29
-rw-r--r--serial/proxy.c1278
-rw-r--r--serial/proxy.h25
-rw-r--r--serial/serial.conf10
8 files changed, 2224 insertions, 0 deletions
diff --git a/serial/main.c b/serial/main.c
new file mode 100644
index 0000000..38ded03
--- /dev/null
+++ b/serial/main.c
@@ -0,0 +1,59 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+
+#include <gdbus.h>
+
+#include "plugin.h"
+#include "manager.h"
+
+static DBusConnection *connection;
+
+static int serial_init(void)
+{
+ connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
+ if (connection == NULL)
+ return -EIO;
+
+ if (serial_manager_init(connection) < 0) {
+ dbus_connection_unref(connection);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static void serial_exit(void)
+{
+ serial_manager_exit();
+
+ dbus_connection_unref(connection);
+}
+
+BLUETOOTH_PLUGIN_DEFINE(serial, VERSION,
+ BLUETOOTH_PLUGIN_PRIORITY_DEFAULT, serial_init, serial_exit)
diff --git a/serial/manager.c b/serial/manager.c
new file mode 100644
index 0000000..eba8a91
--- /dev/null
+++ b/serial/manager.c
@@ -0,0 +1,176 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/sdp.h>
+#include <bluetooth/sdp_lib.h>
+#include <bluetooth/rfcomm.h>
+
+#include <glib.h>
+#include <gdbus.h>
+
+#include "../src/dbus-common.h"
+#include "adapter.h"
+#include "device.h"
+
+#include "log.h"
+#include "textfile.h"
+
+#include "error.h"
+#include "port.h"
+#include "proxy.h"
+#include "storage.h"
+#include "manager.h"
+#include "sdpd.h"
+#include "glib-helper.h"
+
+#define RFCOMM_UUID_STR "00000003-0000-1000-8000-00805F9B34FB"
+
+static DBusConnection *connection = NULL;
+
+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);
+}
+
+static void serial_remove(struct btd_device *device)
+{
+ const gchar *path = device_get_path(device);
+
+ DBG("path %s", path);
+
+ port_unregister(path);
+}
+
+
+static int port_probe(struct btd_device *device, GSList *uuids)
+{
+ while (uuids) {
+ serial_probe(device, uuids->data);
+ uuids = uuids->next;
+ }
+
+ return 0;
+}
+
+static void port_remove(struct btd_device *device)
+{
+ return serial_remove(device);
+}
+
+static struct btd_device_driver serial_port_driver = {
+ .name = "serial-port",
+ .uuids = BTD_UUIDS(RFCOMM_UUID_STR),
+ .probe = port_probe,
+ .remove = port_remove,
+};
+
+static int proxy_probe(struct btd_adapter *adapter)
+{
+ const char *path = adapter_get_path(adapter);
+
+ DBG("path %s", path);
+
+ return proxy_register(connection, adapter);
+}
+
+static void proxy_remove(struct btd_adapter *adapter)
+{
+ const char *path = adapter_get_path(adapter);
+
+ DBG("path %s", path);
+
+ proxy_unregister(adapter);
+}
+
+static struct btd_adapter_driver serial_proxy_driver = {
+ .name = "serial-proxy",
+ .probe = proxy_probe,
+ .remove = proxy_remove,
+};
+
+int serial_manager_init(DBusConnection *conn)
+{
+ connection = dbus_connection_ref(conn);
+
+ btd_register_adapter_driver(&serial_proxy_driver);
+ btd_register_device_driver(&serial_port_driver);
+
+ return 0;
+}
+
+void serial_manager_exit(void)
+{
+ btd_unregister_device_driver(&serial_port_driver);
+
+ dbus_connection_unref(connection);
+ connection = NULL;
+}
diff --git a/serial/manager.h b/serial/manager.h
new file mode 100644
index 0000000..c8b96e8
--- /dev/null
+++ b/serial/manager.h
@@ -0,0 +1,25 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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
+ *
+ */
+
+int serial_manager_init(DBusConnection *conn);
+void serial_manager_exit(void);
diff --git a/serial/port.c b/serial/port.c
new file mode 100644
index 0000000..7d56faa
--- /dev/null
+++ b/serial/port.c
@@ -0,0 +1,622 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/rfcomm.h>
+#include <bluetooth/sdp.h>
+#include <bluetooth/sdp_lib.h>
+
+#include <glib.h>
+#include <gdbus.h>
+
+#include "../src/dbus-common.h"
+
+#include "log.h"
+#include "glib-helper.h"
+#include "btio.h"
+
+#include "error.h"
+#include "manager.h"
+#include "adapter.h"
+#include "device.h"
+#include "storage.h"
+#include "port.h"
+
+#define SERIAL_PORT_INTERFACE "org.bluez.Serial"
+
+#define MAX_OPEN_TRIES 5
+#define OPEN_WAIT 300 /* ms. udev node creation retry wait */
+
+struct serial_device {
+ DBusConnection *conn; /* for name listener handling */
+ bdaddr_t src; /* Source (local) address */
+ bdaddr_t dst; /* Destination address */
+ char *path; /* Device path */
+ GSList *ports; /* Available ports */
+};
+
+struct serial_port {
+ DBusMessage *msg; /* for name listener handling */
+ int16_t id; /* RFCOMM device id */
+ uint8_t channel; /* RFCOMM channel */
+ char *uuid; /* service identification */
+ char *dev; /* RFCOMM device name */
+ int fd; /* Opened file descriptor */
+ GIOChannel *io; /* BtIO channel */
+ guint listener_id;
+ struct serial_device *device;
+};
+
+static GSList *devices = NULL;
+
+static struct serial_device *find_device(GSList *devices, const char *path)
+{
+ GSList *l;
+
+ for (l = devices; l != NULL; l = l->next) {
+ struct serial_device *device = l->data;
+
+ if (!strcmp(device->path, path))
+ return device;
+ }
+
+ return NULL;
+}
+
+static struct serial_port *find_port(GSList *ports, const char *pattern)
+{
+ GSList *l;
+ int channel;
+ char *endptr = NULL;
+
+ channel = strtol(pattern, &endptr, 10);
+
+ for (l = ports; l != NULL; l = l->next) {
+ struct serial_port *port = l->data;
+ char *uuid_str;
+ int ret;
+
+ if (port->uuid && !strcasecmp(port->uuid, pattern))
+ return port;
+
+ if (endptr && *endptr == '\0' && port->channel == channel)
+ return port;
+
+ if (port->dev && !strcmp(port->dev, pattern))
+ return port;
+
+ if (!port->uuid)
+ continue;
+
+ uuid_str = bt_name2string(pattern);
+ if (!uuid_str)
+ continue;
+
+ ret = strcasecmp(port->uuid, uuid_str);
+ g_free(uuid_str);
+ if (ret == 0)
+ return port;
+ }
+
+ return NULL;
+}
+
+static int port_release(struct serial_port *port)
+{
+ struct rfcomm_dev_req req;
+ int rfcomm_ctl;
+ int err = 0;
+
+ if (port->id < 0) {
+ if (port->io) {
+ g_io_channel_shutdown(port->io, TRUE, NULL);
+ g_io_channel_unref(port->io);
+ port->io = NULL;
+ } else
+ bt_cancel_discovery(&port->device->src,
+ &port->device->dst);
+
+ return 0;
+ }
+
+ DBG("Serial port %s released", port->dev);
+
+ rfcomm_ctl = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_RFCOMM);
+ if (rfcomm_ctl < 0)
+ return -errno;
+
+ if (port->fd >= 0) {
+ close(port->fd);
+ port->fd = -1;
+ }
+
+ memset(&req, 0, sizeof(req));
+ req.dev_id = port->id;
+
+ /*
+ * We are hitting a kernel bug inside RFCOMM code when
+ * RFCOMM_HANGUP_NOW bit is set on request's flags passed to
+ * ioctl(RFCOMMRELEASEDEV)!
+ */
+ req.flags = (1 << RFCOMM_HANGUP_NOW);
+
+ if (ioctl(rfcomm_ctl, RFCOMMRELEASEDEV, &req) < 0) {
+ err = errno;
+ error("Can't release device %s: %s (%d)",
+ port->dev, strerror(err), err);
+ }
+
+ g_free(port->dev);
+ port->dev = NULL;
+ port->id = -1;
+ close(rfcomm_ctl);
+ return -err;
+}
+
+static void serial_port_free(struct serial_port *port)
+{
+ struct serial_device *device = port->device;
+
+ if (device && port->listener_id > 0)
+ g_dbus_remove_watch(device->conn, port->listener_id);
+
+ port_release(port);
+
+ g_free(port->uuid);
+ g_free(port);
+}
+
+static void serial_device_free(struct serial_device *device)
+{
+ g_free(device->path);
+ if (device->conn)
+ dbus_connection_unref(device->conn);
+ g_free(device);
+}
+
+static void port_owner_exited(DBusConnection *conn, void *user_data)
+{
+ struct serial_port *port = user_data;
+
+ port_release(port);
+
+ port->listener_id = 0;
+}
+
+static void path_unregister(void *data)
+{
+ struct serial_device *device = data;
+
+ DBG("Unregistered interface %s on path %s", SERIAL_PORT_INTERFACE,
+ device->path);
+
+ devices = g_slist_remove(devices, device);
+ serial_device_free(device);
+}
+
+void port_release_all(void)
+{
+ g_slist_foreach(devices, (GFunc) serial_device_free, NULL);
+ g_slist_free(devices);
+}
+
+static void open_notify(int fd, int err, struct serial_port *port)
+{
+ struct serial_device *device = port->device;
+ DBusMessage *reply;
+
+ if (err < 0) {
+ /* Max tries exceeded */
+ port_release(port);
+ reply = btd_error_failed(port->msg, strerror(-err));
+ } else {
+ port->fd = fd;
+ reply = g_dbus_create_reply(port->msg,
+ DBUS_TYPE_STRING, &port->dev,
+ DBUS_TYPE_INVALID);
+ }
+
+ /* Reply to the requestor */
+ g_dbus_send_message(device->conn, reply);
+}
+
+static gboolean open_continue(gpointer user_data)
+{
+ struct serial_port *port = user_data;
+ int fd;
+ static int ntries = MAX_OPEN_TRIES;
+
+ if (!port->listener_id)
+ return FALSE; /* Owner exited */
+
+ fd = open(port->dev, O_RDONLY | O_NOCTTY);
+ if (fd < 0) {
+ int err = -errno;
+ error("Could not open %s: %s (%d)",
+ port->dev, strerror(-err), -err);
+ if (!--ntries) {
+ /* Reporting error */
+ open_notify(fd, err, port);
+ ntries = MAX_OPEN_TRIES;
+ return FALSE;
+ }
+ return TRUE;
+ }
+
+ /* Connection succeeded */
+ open_notify(fd, 0, port);
+ return FALSE;
+}
+
+static int port_open(struct serial_port *port)
+{
+ int fd;
+
+ fd = open(port->dev, O_RDONLY | O_NOCTTY);
+ if (fd < 0) {
+ g_timeout_add(OPEN_WAIT, open_continue, port);
+ return -EINPROGRESS;
+ }
+
+ return fd;
+}
+
+static void rfcomm_connect_cb(GIOChannel *chan, GError *conn_err,
+ gpointer user_data)
+{
+ struct serial_port *port = user_data;
+ struct serial_device *device = port->device;
+ struct rfcomm_dev_req req;
+ int sk, fd;
+ DBusMessage *reply;
+
+ /* Owner exited? */
+ if (!port->listener_id)
+ return;
+
+ if (conn_err) {
+ error("%s", conn_err->message);
+ reply = btd_error_failed(port->msg, conn_err->message);
+ goto fail;
+ }
+
+ memset(&req, 0, sizeof(req));
+ req.dev_id = -1;
+ req.flags = (1 << RFCOMM_REUSE_DLC);
+ bacpy(&req.src, &device->src);
+ bacpy(&req.dst, &device->dst);
+ req.channel = port->channel;
+
+ g_io_channel_unref(port->io);
+ port->io = NULL;
+
+ sk = g_io_channel_unix_get_fd(chan);
+ port->id = ioctl(sk, RFCOMMCREATEDEV, &req);
+ if (port->id < 0) {
+ int err = -errno;
+ error("ioctl(RFCOMMCREATEDEV): %s (%d)", strerror(-err), -err);
+ reply = btd_error_failed(port->msg, strerror(-err));
+ g_io_channel_shutdown(chan, TRUE, NULL);
+ goto fail;
+ }
+
+ port->dev = g_strdup_printf("/dev/rfcomm%d", port->id);
+
+ DBG("Serial port %s created", port->dev);
+
+ g_io_channel_shutdown(chan, TRUE, NULL);
+
+ /* Addressing connect port */
+ fd = port_open(port);
+ if (fd < 0)
+ /* Open in progress: Wait the callback */
+ return;
+
+ open_notify(fd, 0, port);
+ return;
+
+fail:
+ g_dbus_send_message(device->conn, reply);
+ g_dbus_remove_watch(device->conn, port->listener_id);
+ port->listener_id = 0;
+}
+
+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 = btd_error_failed(port->msg, strerror(-err));
+ goto failed;
+ }
+
+ if (!recs || !recs->data) {
+ error("No record found");
+ reply = btd_error_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 = btd_error_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 = btd_error_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);
+}
+
+static int connect_port(struct serial_port *port)
+{
+ struct serial_device *device = port->device;
+ uuid_t uuid;
+ int err;
+
+ if (!port->uuid)
+ goto connect;
+
+ err = bt_string2uuid(&uuid, port->uuid);
+ if (err < 0)
+ return err;
+
+ sdp_uuid128_to_uuid(&uuid);
+
+ return bt_search_service(&device->src, &device->dst, &uuid,
+ get_record_cb, port, NULL);
+
+connect:
+ port->io = bt_io_connect(BT_IO_RFCOMM, rfcomm_connect_cb, port,
+ NULL, NULL,
+ 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)
+ return 0;
+
+ return -errno;
+}
+
+static struct serial_port *create_port(struct serial_device *device,
+ const char *uuid, uint8_t channel)
+{
+ struct serial_port *port;
+
+ port = g_new0(struct serial_port, 1);
+ port->uuid = g_strdup(uuid);
+ port->channel = channel;
+ port->device = device;
+ port->id = -1;
+ port->fd = -1;
+
+ device->ports = g_slist_append(device->ports, port);
+
+ return port;
+}
+
+static DBusMessage *port_connect(DBusConnection *conn,
+ DBusMessage *msg, void *user_data)
+{
+ struct serial_device *device = user_data;
+ struct serial_port *port;
+ const char *pattern;
+ int err;
+
+ if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &pattern,
+ DBUS_TYPE_INVALID) == FALSE)
+ return NULL;
+
+ port = find_port(device->ports, pattern);
+ if (!port) {
+ char *endptr = NULL;
+ int channel;
+
+ channel = strtol(pattern, &endptr, 10);
+ if ((endptr && *endptr != '\0') || channel < 1 || channel > 30)
+ return btd_error_does_not_exist(msg);
+
+ port = create_port(device, NULL, channel);
+ }
+
+ if (port->listener_id)
+ return btd_error_failed(msg, "Port already in use");
+
+ port->listener_id = g_dbus_add_disconnect_watch(conn,
+ dbus_message_get_sender(msg),
+ port_owner_exited, port,
+ NULL);
+ port->msg = dbus_message_ref(msg);
+
+ err = connect_port(port);
+ if (err < 0) {
+ error("%s", strerror(-err));
+ g_dbus_remove_watch(conn, port->listener_id);
+ port->listener_id = 0;
+
+ return btd_error_failed(msg, strerror(-err));
+ }
+
+ return NULL;
+}
+
+static DBusMessage *port_disconnect(DBusConnection *conn,
+ DBusMessage *msg, void *user_data)
+{
+ struct serial_device *device = user_data;
+ struct serial_port *port;
+ const char *dev, *owner, *caller;
+
+ if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &dev,
+ DBUS_TYPE_INVALID) == FALSE)
+ return NULL;
+
+ port = find_port(device->ports, dev);
+ if (!port)
+ return btd_error_does_not_exist(msg);
+
+ if (!port->listener_id)
+ return btd_error_not_connected(msg);
+
+ owner = dbus_message_get_sender(port->msg);
+ caller = dbus_message_get_sender(msg);
+ if (!g_str_equal(owner, caller))
+ return btd_error_not_authorized(msg);
+
+ port_release(port);
+
+ g_dbus_remove_watch(conn, port->listener_id);
+ port->listener_id = 0;
+
+ return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+}
+
+static GDBusMethodTable port_methods[] = {
+ { "Connect", "s", "s", port_connect, G_DBUS_METHOD_FLAG_ASYNC },
+ { "Disconnect", "s", "", port_disconnect },
+ { }
+};
+
+static struct serial_device *create_serial_device(DBusConnection *conn,
+ const char *path, bdaddr_t *src,
+ bdaddr_t *dst)
+{
+ struct serial_device *device;
+
+ device = g_new0(struct serial_device, 1);
+ device->conn = dbus_connection_ref(conn);
+ bacpy(&device->dst, dst);
+ bacpy(&device->src, src);
+ device->path = g_strdup(path);
+
+ if (!g_dbus_register_interface(conn, path,
+ SERIAL_PORT_INTERFACE,
+ port_methods, NULL, NULL,
+ device, path_unregister)) {
+ error("D-Bus failed to register %s interface",
+ SERIAL_PORT_INTERFACE);
+ serial_device_free(device);
+ return NULL;
+ }
+
+ DBG("Registered interface %s on path %s",
+ SERIAL_PORT_INTERFACE, path);
+
+ return device;
+}
+
+int port_register(DBusConnection *conn, const char *path, bdaddr_t *src,
+ bdaddr_t *dst, const char *uuid, uint8_t channel)
+{
+ struct serial_device *device;
+ struct serial_port *port;
+
+ device = find_device(devices, path);
+ if (!device) {
+ device = create_serial_device(conn, path, src, dst);
+ if (!device)
+ return -1;
+ devices = g_slist_append(devices, device);
+ }
+
+ if (find_port(device->ports, uuid))
+ return 0;
+
+ port = g_new0(struct serial_port, 1);
+ port->uuid = g_strdup(uuid);
+ port->channel = channel;
+ port->device = device;
+ port->id = -1;
+ port->fd = -1;
+
+ device->ports = g_slist_append(device->ports, port);
+
+ return 0;
+}
+
+int port_unregister(const char *path)
+{
+ struct serial_device *device;
+
+ device = find_device(devices, path);
+ if (!device)
+ return -ENOENT;
+
+ g_slist_foreach(device->ports, (GFunc) serial_port_free, NULL);
+ g_slist_free(device->ports);
+
+ g_dbus_unregister_interface(device->conn, path, SERIAL_PORT_INTERFACE);
+
+ return 0;
+}
diff --git a/serial/port.h b/serial/port.h
new file mode 100644
index 0000000..74ac9f0
--- /dev/null
+++ b/serial/port.h
@@ -0,0 +1,29 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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
+ *
+ */
+
+void port_release_all(void);
+
+int port_register(DBusConnection *conn, const char *path, bdaddr_t *src,
+ bdaddr_t *dst, const char *name, uint8_t channel);
+
+int port_unregister(const char *path);
diff --git a/serial/proxy.c b/serial/proxy.c
new file mode 100644
index 0000000..46561d0
--- /dev/null
+++ b/serial/proxy.c
@@ -0,0 +1,1278 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/sdp.h>
+#include <bluetooth/sdp_lib.h>
+#include <bluetooth/rfcomm.h>
+
+#include <glib.h>
+#include <gdbus.h>
+
+#include "../src/dbus-common.h"
+#include "../src/adapter.h"
+
+#include "log.h"
+#include "textfile.h"
+
+#include "error.h"
+#include "sdpd.h"
+#include "glib-helper.h"
+#include "btio.h"
+#include "proxy.h"
+
+#define SERIAL_PROXY_INTERFACE "org.bluez.SerialProxy"
+#define SERIAL_MANAGER_INTERFACE "org.bluez.SerialProxyManager"
+#define BUF_SIZE 1024
+
+typedef enum {
+ TTY_PROXY,
+ UNIX_SOCKET_PROXY,
+ TCP_SOCKET_PROXY,
+ UNKNOWN_PROXY_TYPE = 0xFF
+} proxy_type_t;
+
+struct serial_adapter {
+ struct btd_adapter *btd_adapter; /* Adapter pointer */
+ DBusConnection *conn; /* Adapter connection */
+ GSList *proxies; /* Proxies list */
+};
+
+struct serial_proxy {
+ bdaddr_t src; /* Local address */
+ bdaddr_t dst; /* Remote address */
+ char *path; /* Proxy path */
+ char *uuid128; /* UUID 128 */
+ char *address; /* TTY or Unix socket name */
+ char *owner; /* Application bus name */
+ guint watch; /* Application watch */
+ short int port; /* TCP port */
+ proxy_type_t type; /* TTY or Unix socket */
+ struct termios sys_ti; /* Default TTY setting */
+ struct termios proxy_ti; /* Proxy TTY settings */
+ uint8_t channel; /* RFCOMM channel */
+ uint32_t record_id; /* Service record id */
+ GIOChannel *io; /* Server listen */
+ GIOChannel *rfcomm; /* Remote RFCOMM channel*/
+ GIOChannel *local; /* Local channel: TTY or Unix socket */
+ struct serial_adapter *adapter; /* Adapter pointer */
+};
+
+static GSList *adapters = NULL;
+static int sk_counter = 0;
+
+static void disable_proxy(struct serial_proxy *prx)
+{
+ if (prx->rfcomm) {
+ g_io_channel_shutdown(prx->rfcomm, TRUE, NULL);
+ g_io_channel_unref(prx->rfcomm);
+ prx->rfcomm = NULL;
+ }
+
+ if (prx->local) {
+ g_io_channel_shutdown(prx->local, TRUE, NULL);
+ g_io_channel_unref(prx->local);
+ prx->local = NULL;
+ }
+
+ remove_record_from_server(prx->record_id);
+ prx->record_id = 0;
+
+ g_io_channel_unref(prx->io);
+ prx->io = NULL;
+}
+
+static void proxy_free(struct serial_proxy *prx)
+{
+ g_free(prx->owner);
+ g_free(prx->path);
+ g_free(prx->address);
+ g_free(prx->uuid128);
+ g_free(prx);
+}
+
+static void add_lang_attr(sdp_record_t *r)
+{
+ sdp_lang_attr_t base_lang;
+ sdp_list_t *langs = 0;
+
+ /* UTF-8 MIBenum (http://www.iana.org/assignments/character-sets) */
+ base_lang.code_ISO639 = (0x65 << 8) | 0x6e;
+ base_lang.encoding = 106;
+ base_lang.base_offset = SDP_PRIMARY_LANG_BASE;
+ langs = sdp_list_append(0, &base_lang);
+ sdp_set_lang_attr(r, langs);
+ sdp_list_free(langs, 0);
+}
+
+static sdp_record_t *proxy_record_new(const char *uuid128, uint8_t channel)
+{
+ sdp_list_t *apseq, *aproto, *profiles, *proto[2], *root, *svclass_id;
+ uuid_t uuid, root_uuid, l2cap, rfcomm;
+ sdp_profile_desc_t profile;
+ sdp_record_t *record;
+ sdp_data_t *ch;
+
+ record = sdp_record_alloc();
+ if (!record)
+ return NULL;
+
+ sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
+ root = sdp_list_append(NULL, &root_uuid);
+ sdp_set_browse_groups(record, root);
+ sdp_list_free(root, NULL);
+
+ bt_string2uuid(&uuid, uuid128);
+ sdp_uuid128_to_uuid(&uuid);
+ svclass_id = sdp_list_append(NULL, &uuid);
+ sdp_set_service_classes(record, svclass_id);
+ sdp_list_free(svclass_id, NULL);
+
+ sdp_uuid16_create(&profile.uuid, SERIAL_PORT_PROFILE_ID);
+ profile.version = 0x0100;
+ profiles = sdp_list_append(NULL, &profile);
+ sdp_set_profile_descs(record, profiles);
+ sdp_list_free(profiles, NULL);
+
+ sdp_uuid16_create(&l2cap, L2CAP_UUID);
+ proto[0] = sdp_list_append(NULL, &l2cap);
+ apseq = sdp_list_append(NULL, proto[0]);
+
+ sdp_uuid16_create(&rfcomm, RFCOMM_UUID);
+ proto[1] = sdp_list_append(NULL, &rfcomm);
+ ch = sdp_data_alloc(SDP_UINT8, &channel);
+ proto[1] = sdp_list_append(proto[1], ch);
+ apseq = sdp_list_append(apseq, proto[1]);
+
+ aproto = sdp_list_append(NULL, apseq);
+ sdp_set_access_protos(record, aproto);
+
+ add_lang_attr(record);
+
+ sdp_set_info_attr(record, "Serial Proxy", NULL, "Serial Proxy");
+
+ sdp_data_free(ch);
+ sdp_list_free(proto[0], NULL);
+ sdp_list_free(proto[1], NULL);
+ sdp_list_free(apseq, NULL);
+ sdp_list_free(aproto, NULL);
+
+ return record;
+}
+
+static int channel_write(GIOChannel *chan, char *buf, size_t size)
+{
+ size_t wbytes;
+ ssize_t written;
+ int fd;
+
+ fd = g_io_channel_unix_get_fd(chan);
+
+ wbytes = written = 0;
+ while (wbytes < size) {
+ written = write(fd, buf + wbytes, size - wbytes);
+
+ if (written)
+ return -errno;
+
+ wbytes += written;
+ }
+
+ return 0;
+}
+
+static gboolean forward_data(GIOChannel *chan, GIOCondition cond, gpointer data)
+{
+ char buf[BUF_SIZE];
+ struct serial_proxy *prx = data;
+ GIOChannel *dest;
+ ssize_t rbytes;
+ int fd, err;
+
+ if (cond & G_IO_NVAL)
+ return FALSE;
+
+ dest = (chan == prx->rfcomm) ? prx->local : prx->rfcomm;
+
+ fd = g_io_channel_unix_get_fd(chan);
+
+ if (cond & (G_IO_HUP | G_IO_ERR)) {
+ /* Try forward remaining data */
+ do {
+ rbytes = read(fd, buf, sizeof(buf));
+ if (rbytes <= 0)
+ break;
+
+ err = channel_write(dest, buf, rbytes);
+ } while (err == 0);
+
+ g_io_channel_shutdown(prx->local, TRUE, NULL);
+ g_io_channel_unref(prx->local);
+ prx->local = NULL;
+
+ g_io_channel_shutdown(prx->rfcomm, TRUE, NULL);
+ g_io_channel_unref(prx->rfcomm);
+ prx->rfcomm = NULL;
+
+ return FALSE;
+ }
+
+ rbytes = read(fd, buf, sizeof(buf));
+ if (rbytes < 0)
+ return FALSE;
+
+ err = channel_write(dest, buf, rbytes);
+ if (err != 0)
+ return FALSE;
+
+ return TRUE;
+}
+
+static inline int unix_socket_connect(const char *address)
+{
+ struct sockaddr_un addr;
+ int err, sk;
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = PF_UNIX;
+
+ if (strncmp("x00", address, 3) == 0) {
+ /*
+ * Abstract namespace: first byte NULL, x00
+ * must be removed from the original address.
+ */
+ strncpy(addr.sun_path + 1, address + 3,
+ sizeof(addr.sun_path) - 2);
+ } else {
+ /* Filesystem address */
+ strncpy(addr.sun_path, address, sizeof(addr.sun_path) - 1);
+ }
+
+ /* Unix socket */
+ sk = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (sk < 0) {
+ err = errno;
+ error("Unix socket(%s) create failed: %s(%d)",
+ address, strerror(err), err);
+ return -err;
+ }
+
+ if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ err = errno;
+ error("Unix socket(%s) connect failed: %s(%d)",
+ address, strerror(err), err);
+ close(sk);
+ errno = err;
+ return -err;
+ }
+
+ return sk;
+}
+
+static int tcp_socket_connect(const char *address)
+{
+ struct sockaddr_in addr;
+ int err, sk;
+ unsigned short int port;
+
+ memset(&addr, 0, sizeof(addr));
+
+ if (strncmp(address, "localhost", 9) != 0) {
+ error("Address should have the form localhost:port.");
+ return -1;
+ }
+ port = atoi(strchr(address, ':') + 1);
+ if (port <= 0) {
+ error("Invalid port '%d'.", port);
+ return -1;
+ }
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+ addr.sin_port = htons(port);
+
+ sk = socket(PF_INET, SOCK_STREAM, 0);
+ if (sk < 0) {
+ err = errno;
+ error("TCP socket(%s) create failed %s(%d)", address,
+ strerror(err), err);
+ return -err;
+ }
+ if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ err = errno;
+ error("TCP socket(%s) connect failed: %s(%d)",
+ address, strerror(err), err);
+ close(sk);
+ errno = err;
+ return -err;
+ }
+ return sk;
+}
+
+static inline int tty_open(const char *tty, struct termios *ti)
+{
+ int err, sk;
+
+ sk = open(tty, O_RDWR | O_NOCTTY);
+ if (sk < 0) {
+ err = errno;
+ error("Can't open TTY %s: %s(%d)", tty, strerror(err), err);
+ return -err;
+ }
+
+ if (ti && tcsetattr(sk, TCSANOW, ti) < 0) {
+ err = errno;
+ error("Can't change serial settings: %s(%d)",
+ strerror(err), err);
+ close(sk);
+ errno = err;
+ return -err;
+ }
+
+ return sk;
+}
+
+static void connect_event_cb(GIOChannel *chan, GError *conn_err, gpointer data)
+{
+ struct serial_proxy *prx = data;
+ int sk;
+
+ if (conn_err) {
+ error("%s", conn_err->message);
+ goto drop;
+ }
+
+ /* Connect local */
+ switch (prx->type) {
+ case UNIX_SOCKET_PROXY:
+ sk = unix_socket_connect(prx->address);
+ break;
+ case TTY_PROXY:
+ sk = tty_open(prx->address, &prx->proxy_ti);
+ break;
+ case TCP_SOCKET_PROXY:
+ sk = tcp_socket_connect(prx->address);
+ break;
+ default:
+ sk = -1;
+ }
+
+ if (sk < 0)
+ goto drop;
+
+ prx->local = g_io_channel_unix_new(sk);
+
+ g_io_add_watch(prx->rfcomm,
+ G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+ forward_data, prx);
+
+ g_io_add_watch(prx->local,
+ G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+ forward_data, prx);
+
+ return;
+
+drop:
+ g_io_channel_shutdown(prx->rfcomm, TRUE, NULL);
+ g_io_channel_unref(prx->rfcomm);
+ prx->rfcomm = NULL;
+}
+
+static void auth_cb(DBusError *derr, void *user_data)
+{
+ struct serial_proxy *prx = user_data;
+ GError *err = NULL;
+
+ if (derr) {
+ error("Access denied: %s", derr->message);
+ goto reject;
+ }
+
+ if (!bt_io_accept(prx->rfcomm, connect_event_cb, prx, NULL,
+ &err)) {
+ error("bt_io_accept: %s", err->message);
+ g_error_free(err);
+ goto reject;
+ }
+
+ return;
+
+reject:
+ g_io_channel_shutdown(prx->rfcomm, TRUE, NULL);
+ g_io_channel_unref(prx->rfcomm);
+ prx->rfcomm = NULL;
+}
+
+static void confirm_event_cb(GIOChannel *chan, gpointer user_data)
+{
+ struct serial_proxy *prx = user_data;
+ int perr;
+ char address[18];
+ GError *err = NULL;
+
+ bt_io_get(chan, BT_IO_RFCOMM, &err,
+ BT_IO_OPT_DEST_BDADDR, &prx->dst,
+ BT_IO_OPT_DEST, address,
+ BT_IO_OPT_INVALID);
+ if (err) {
+ error("%s", err->message);
+ g_error_free(err);
+ goto drop;
+ }
+
+ if (prx->rfcomm) {
+ error("Refusing connect from %s: Proxy already in use",
+ address);
+ goto drop;
+ }
+
+ DBG("Serial Proxy: incoming connect from %s", address);
+
+ prx->rfcomm = g_io_channel_ref(chan);
+
+ perr = btd_request_authorization(&prx->src, &prx->dst,
+ prx->uuid128, auth_cb, prx);
+ if (perr < 0) {
+ error("Refusing connect from %s: %s (%d)", address,
+ strerror(-perr), -perr);
+ g_io_channel_unref(prx->rfcomm);
+ prx->rfcomm = NULL;
+ goto drop;
+ }
+
+ return;
+
+drop:
+ g_io_channel_shutdown(chan, TRUE, NULL);
+}
+
+static int enable_proxy(struct serial_proxy *prx)
+{
+ sdp_record_t *record;
+ GError *gerr = NULL;
+ int err;
+
+ if (prx->io)
+ return -EALREADY;
+
+ /* Listen */
+ prx->io = bt_io_listen(BT_IO_RFCOMM, NULL, confirm_event_cb, prx,
+ NULL, &gerr,
+ BT_IO_OPT_SOURCE_BDADDR, &prx->src,
+ BT_IO_OPT_INVALID);
+ if (!prx->io)
+ goto failed;
+
+ bt_io_get(prx->io, BT_IO_RFCOMM, &gerr,
+ BT_IO_OPT_CHANNEL, &prx->channel,
+ BT_IO_OPT_INVALID);
+ if (gerr) {
+ g_io_channel_unref(prx->io);
+ prx->io = NULL;
+ goto failed;
+ }
+
+ DBG("Allocated channel %d", prx->channel);
+
+ g_io_channel_set_close_on_unref(prx->io, TRUE);
+
+ record = proxy_record_new(prx->uuid128, prx->channel);
+ if (!record) {
+ g_io_channel_unref(prx->io);
+ return -ENOMEM;
+ }
+
+ err = add_record_to_server(&prx->src, record);
+ if (err < 0) {
+ sdp_record_free(record);
+ g_io_channel_unref(prx->io);
+ return err;
+ }
+
+ prx->record_id = record->handle;
+
+ return 0;
+
+failed:
+ error("%s", gerr->message);
+ g_error_free(gerr);
+ return -EIO;
+
+}
+static DBusMessage *proxy_enable(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct serial_proxy *prx = data;
+ int err;
+
+ err = enable_proxy(prx);
+ if (err < 0)
+ return btd_error_failed(msg, strerror(-err));
+
+ return dbus_message_new_method_return(msg);
+}
+
+static DBusMessage *proxy_disable(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct serial_proxy *prx = data;
+
+ if (!prx->io)
+ return btd_error_failed(msg, "Not enabled");
+
+ /* Remove the watches and unregister the record */
+ disable_proxy(prx);
+
+ return dbus_message_new_method_return(msg);
+}
+
+static DBusMessage *proxy_get_info(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct serial_proxy *prx = data;
+ DBusMessage *reply;
+ DBusMessageIter iter, dict;
+ dbus_bool_t boolean;
+
+ reply = dbus_message_new_method_return(msg);
+ if (!reply)
+ return NULL;
+
+ dbus_message_iter_init_append(reply, &iter);
+
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
+
+ dict_append_entry(&dict, "uuid", DBUS_TYPE_STRING, &prx->uuid128);
+
+ dict_append_entry(&dict, "address", DBUS_TYPE_STRING, &prx->address);
+
+ if (prx->channel)
+ dict_append_entry(&dict, "channel",
+ DBUS_TYPE_BYTE, &prx->channel);
+
+ boolean = (prx->io ? TRUE : FALSE);
+ dict_append_entry(&dict, "enabled", DBUS_TYPE_BOOLEAN, &boolean);
+
+ boolean = (prx->rfcomm ? TRUE : FALSE);
+ dict_append_entry(&dict, "connected", DBUS_TYPE_BOOLEAN, &boolean);
+
+ /* If connected: append the remote address */
+ if (boolean) {
+ char bda[18];
+ const char *pstr = bda;
+
+ ba2str(&prx->dst, bda);
+ dict_append_entry(&dict, "address", DBUS_TYPE_STRING, &pstr);
+ }
+
+ dbus_message_iter_close_container(&iter, &dict);
+
+ return reply;
+}
+
+static struct {
+ const char *str;
+ speed_t speed;
+} supported_speed[] = {
+ {"50", B50 },
+ {"300", B300 },
+ {"600", B600 },
+ {"1200", B1200 },
+ {"1800", B1800 },
+ {"2400", B2400 },
+ {"4800", B4800 },
+ {"9600", B9600 },
+ {"19200", B19200 },
+ {"38400", B38400 },
+ {"57600", B57600 },
+ {"115200", B115200 },
+ { NULL, B0 }
+};
+
+static speed_t str2speed(const char *str, speed_t *speed)
+{
+ int i;
+
+ for (i = 0; supported_speed[i].str; i++) {
+ if (strcmp(supported_speed[i].str, str) != 0)
+ continue;
+
+ if (speed)
+ *speed = supported_speed[i].speed;
+
+ return supported_speed[i].speed;
+ }
+
+ return B0;
+}
+
+static int set_parity(const char *str, tcflag_t *ctrl)
+{
+ if (strcasecmp("even", str) == 0) {
+ *ctrl |= PARENB;
+ *ctrl &= ~PARODD;
+ } else if (strcasecmp("odd", str) == 0) {
+ *ctrl |= PARENB;
+ *ctrl |= PARODD;
+ } else if (strcasecmp("mark", str) == 0)
+ *ctrl |= PARENB;
+ else if ((strcasecmp("none", str) == 0) ||
+ (strcasecmp("space", str) == 0))
+ *ctrl &= ~PARENB;
+ else
+ return -1;
+
+ return 0;
+}
+
+static int set_databits(uint8_t databits, tcflag_t *ctrl)
+{
+ if (databits < 5 || databits > 8)
+ return -EINVAL;
+
+ *ctrl &= ~CSIZE;
+ switch (databits) {
+ case 5:
+ *ctrl |= CS5;
+ break;
+ case 6:
+ *ctrl |= CS6;
+ break;
+ case 7:
+ *ctrl |= CS7;
+ break;
+ case 8:
+ *ctrl |= CS8;
+ break;
+ }
+
+ return 0;
+}
+
+static int set_stopbits(uint8_t stopbits, tcflag_t *ctrl)
+{
+ /* 1.5 will not be allowed */
+ switch (stopbits) {
+ case 1:
+ *ctrl &= ~CSTOPB;
+ return 0;
+ case 2:
+ *ctrl |= CSTOPB;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static DBusMessage *proxy_set_serial_params(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct serial_proxy *prx = data;
+ const char *ratestr, *paritystr;
+ uint8_t databits, stopbits;
+ tcflag_t ctrl; /* Control mode flags */
+ speed_t speed = B0; /* In/Out speed */
+
+ /* Don't allow change TTY settings if it is open */
+ if (prx->local)
+ return btd_error_not_authorized(msg);
+
+ if (!dbus_message_get_args(msg, NULL,
+ DBUS_TYPE_STRING, &ratestr,
+ DBUS_TYPE_BYTE, &databits,
+ DBUS_TYPE_BYTE, &stopbits,
+ DBUS_TYPE_STRING, &paritystr,
+ DBUS_TYPE_INVALID))
+ return NULL;
+
+ if (str2speed(ratestr, &speed) == B0)
+ return btd_error_invalid_args(msg);
+
+ ctrl = prx->proxy_ti.c_cflag;
+ if (set_databits(databits, &ctrl) < 0)
+ return btd_error_invalid_args(msg);
+
+ if (set_stopbits(stopbits, &ctrl) < 0)
+ return btd_error_invalid_args(msg);
+
+ if (set_parity(paritystr, &ctrl) < 0)
+ return btd_error_invalid_args(msg);
+
+ prx->proxy_ti.c_cflag = ctrl;
+ prx->proxy_ti.c_cflag |= (CLOCAL | CREAD);
+ cfsetispeed(&prx->proxy_ti, speed);
+ cfsetospeed(&prx->proxy_ti, speed);
+
+ return dbus_message_new_method_return(msg);
+}
+
+static GDBusMethodTable proxy_methods[] = {
+ { "Enable", "", "", proxy_enable },
+ { "Disable", "", "", proxy_disable },
+ { "GetInfo", "", "a{sv}",proxy_get_info },
+ { "SetSerialParameters", "syys", "", proxy_set_serial_params },
+ { },
+};
+
+static void proxy_path_unregister(gpointer data)
+{
+ struct serial_proxy *prx = data;
+ int sk;
+
+ DBG("Unregistered proxy: %s", prx->address);
+
+ if (prx->type != TTY_PROXY)
+ goto done;
+
+ /* Restore the initial TTY configuration */
+ sk = open(prx->address, O_RDWR | O_NOCTTY);
+ if (sk >= 0) {
+ tcsetattr(sk, TCSAFLUSH, &prx->sys_ti);
+ close(sk);
+ }
+done:
+
+ proxy_free(prx);
+}
+
+static int register_proxy_object(struct serial_proxy *prx)
+{
+ struct serial_adapter *adapter = prx->adapter;
+ char path[MAX_PATH_LENGTH + 1];
+
+ snprintf(path, MAX_PATH_LENGTH, "%s/proxy%d",
+ adapter_get_path(adapter->btd_adapter), sk_counter++);
+
+ if (!g_dbus_register_interface(adapter->conn, path,
+ SERIAL_PROXY_INTERFACE,
+ proxy_methods, NULL, NULL,
+ prx, proxy_path_unregister)) {
+ error("D-Bus failed to register %s path", path);
+ return -1;
+ }
+
+ prx->path = g_strdup(path);
+ adapter->proxies = g_slist_append(adapter->proxies, prx);
+
+ DBG("Registered proxy: %s", path);
+
+ return 0;
+}
+
+static int proxy_tty_register(struct serial_adapter *adapter,
+ const char *uuid128, const char *address,
+ struct termios *ti,
+ struct serial_proxy **proxy)
+{
+ struct termios sys_ti;
+ struct serial_proxy *prx;
+ int sk, ret;
+
+ sk = open(address, O_RDONLY | O_NOCTTY);
+ if (sk < 0) {
+ error("Cant open TTY: %s(%d)", strerror(errno), errno);
+ return -EINVAL;
+ }
+
+ prx = g_new0(struct serial_proxy, 1);
+ prx->address = g_strdup(address);
+ prx->uuid128 = g_strdup(uuid128);
+ prx->type = TTY_PROXY;
+ adapter_get_address(adapter->btd_adapter, &prx->src);
+ prx->adapter = adapter;
+
+ /* Current TTY settings */
+ memset(&sys_ti, 0, sizeof(sys_ti));
+ tcgetattr(sk, &sys_ti);
+ memcpy(&prx->sys_ti, &sys_ti, sizeof(sys_ti));
+ close(sk);
+
+ if (!ti) {
+ /* Use current settings */
+ memcpy(&prx->proxy_ti, &sys_ti, sizeof(sys_ti));
+ } else {
+ /* New TTY settings: user provided */
+ memcpy(&prx->proxy_ti, ti, sizeof(*ti));
+ }
+
+ ret = register_proxy_object(prx);
+ if (ret < 0) {
+ proxy_free(prx);
+ return ret;
+ }
+
+ *proxy = prx;
+
+ return ret;
+}
+
+static int proxy_socket_register(struct serial_adapter *adapter,
+ const char *uuid128, const char *address,
+ struct serial_proxy **proxy)
+{
+ struct serial_proxy *prx;
+ int ret;
+
+ prx = g_new0(struct serial_proxy, 1);
+ prx->address = g_strdup(address);
+ prx->uuid128 = g_strdup(uuid128);
+ prx->type = UNIX_SOCKET_PROXY;
+ adapter_get_address(adapter->btd_adapter, &prx->src);
+ prx->adapter = adapter;
+
+ ret = register_proxy_object(prx);
+ if (ret < 0) {
+ proxy_free(prx);
+ return ret;
+ }
+
+ *proxy = prx;
+
+ return ret;
+}
+
+static int proxy_tcp_register(struct serial_adapter *adapter,
+ const char *uuid128, const char *address,
+ struct serial_proxy **proxy)
+{
+ struct serial_proxy *prx;
+ int ret;
+
+ prx = g_new0(struct serial_proxy, 1);
+ prx->address = g_strdup(address);
+ prx->uuid128 = g_strdup(uuid128);
+ prx->type = TCP_SOCKET_PROXY;
+ adapter_get_address(adapter->btd_adapter, &prx->src);
+ prx->adapter = adapter;
+
+ ret = register_proxy_object(prx);
+ if (ret < 0) {
+ proxy_free(prx);
+ return ret;
+ }
+
+ *proxy = prx;
+
+ return ret;
+}
+
+static proxy_type_t addr2type(const char *address)
+{
+ struct stat st;
+
+ if (stat(address, &st) < 0) {
+ /*
+ * Unix socket: if the sun_path starts with null byte
+ * it refers to abstract namespace. 'x00' will be used
+ * to represent the null byte.
+ */
+ if (strncmp("localhost:", address, 10) == 0)
+ return TCP_SOCKET_PROXY;
+ if (strncmp("x00", address, 3) != 0)
+ return UNKNOWN_PROXY_TYPE;
+ else
+ return UNIX_SOCKET_PROXY;
+ } else {
+ /* Filesystem: char device or unix socket */
+ if (S_ISCHR(st.st_mode) && strncmp("/dev/", address, 4) == 0)
+ return TTY_PROXY;
+ else if (S_ISSOCK(st.st_mode))
+ return UNIX_SOCKET_PROXY;
+ else
+ return UNKNOWN_PROXY_TYPE;
+ }
+}
+
+static int proxy_addrcmp(gconstpointer proxy, gconstpointer addr)
+{
+ const struct serial_proxy *prx = proxy;
+ const char *address = addr;
+
+ return strcmp(prx->address, address);
+}
+
+static int proxy_pathcmp(gconstpointer proxy, gconstpointer p)
+{
+ const struct serial_proxy *prx = proxy;
+ const char *path = p;
+
+ return strcmp(prx->path, path);
+}
+
+static int register_proxy(struct serial_adapter *adapter,
+ const char *uuid_str, const char *address,
+ struct serial_proxy **proxy)
+{
+ proxy_type_t type;
+ int err;
+
+ type = addr2type(address);
+ if (type == UNKNOWN_PROXY_TYPE)
+ return -EINVAL;
+
+ /* Only one proxy per address(TTY or unix socket) is allowed */
+ if (g_slist_find_custom(adapter->proxies, address, proxy_addrcmp))
+ return -EALREADY;
+
+ switch (type) {
+ case UNIX_SOCKET_PROXY:
+ err = proxy_socket_register(adapter, uuid_str, address, proxy);
+ break;
+ case TTY_PROXY:
+ err = proxy_tty_register(adapter, uuid_str, address, NULL,
+ proxy);
+ break;
+ case TCP_SOCKET_PROXY:
+ err = proxy_tcp_register(adapter, uuid_str, address, proxy);
+ break;
+ default:
+ err = -EINVAL;
+ }
+
+ if (err < 0)
+ return err;
+
+ g_dbus_emit_signal(adapter->conn,
+ adapter_get_path(adapter->btd_adapter),
+ SERIAL_MANAGER_INTERFACE, "ProxyCreated",
+ DBUS_TYPE_STRING, &(*proxy)->path,
+ DBUS_TYPE_INVALID);
+
+ return 0;
+}
+
+static void unregister_proxy(struct serial_proxy *proxy)
+{
+ struct serial_adapter *adapter = proxy->adapter;
+ char *path = g_strdup(proxy->path);
+
+ if (proxy->watch > 0)
+ g_dbus_remove_watch(adapter->conn, proxy->watch);
+
+ g_dbus_emit_signal(adapter->conn,
+ adapter_get_path(adapter->btd_adapter),
+ SERIAL_MANAGER_INTERFACE, "ProxyRemoved",
+ DBUS_TYPE_STRING, &path,
+ DBUS_TYPE_INVALID);
+
+ adapter->proxies = g_slist_remove(adapter->proxies, proxy);
+
+ g_dbus_unregister_interface(adapter->conn, path,
+ SERIAL_PROXY_INTERFACE);
+
+ g_free(path);
+}
+
+static void watch_proxy(DBusConnection *connection, void *user_data)
+{
+ struct serial_proxy *proxy = user_data;
+
+ proxy->watch = 0;
+ unregister_proxy(proxy);
+}
+
+static DBusMessage *create_proxy(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct serial_adapter *adapter = data;
+ struct serial_proxy *proxy;
+ const char *pattern, *address;
+ char *uuid_str;
+ int err;
+
+ if (!dbus_message_get_args(msg, NULL,
+ DBUS_TYPE_STRING, &pattern,
+ DBUS_TYPE_STRING, &address,
+ DBUS_TYPE_INVALID))
+ return NULL;
+
+ uuid_str = bt_name2string(pattern);
+ if (!uuid_str)
+ return btd_error_invalid_args(msg);
+
+ err = register_proxy(adapter, uuid_str, address, &proxy);
+ g_free(uuid_str);
+
+ if (err == -EINVAL)
+ return btd_error_invalid_args(msg);
+ else if (err == -EALREADY)
+ return btd_error_already_exists(msg);
+ else if (err < 0)
+ return btd_error_failed(msg, strerror(-err));
+
+ proxy->owner = g_strdup(dbus_message_get_sender(msg));
+ proxy->watch = g_dbus_add_disconnect_watch(conn, proxy->owner,
+ watch_proxy,
+ proxy, NULL);
+
+ return g_dbus_create_reply(msg, DBUS_TYPE_STRING, &proxy->path,
+ DBUS_TYPE_INVALID);
+}
+
+static DBusMessage *list_proxies(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct serial_adapter *adapter = data;
+ const GSList *l;
+ DBusMessage *reply;
+ DBusMessageIter iter, iter_array;
+
+ reply = dbus_message_new_method_return(msg);
+ if (!reply)
+ return NULL;
+
+ dbus_message_iter_init_append(reply, &iter);
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ DBUS_TYPE_STRING_AS_STRING, &iter_array);
+
+ for (l = adapter->proxies; l; l = l->next) {
+ struct serial_proxy *prx = l->data;
+
+ dbus_message_iter_append_basic(&iter_array,
+ DBUS_TYPE_STRING, &prx->path);
+ }
+
+ dbus_message_iter_close_container(&iter, &iter_array);
+
+ return reply;
+}
+
+static DBusMessage *remove_proxy(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct serial_adapter *adapter = data;
+ struct serial_proxy *prx;
+ const char *path, *sender;
+ GSList *l;
+
+ if (!dbus_message_get_args(msg, NULL,
+ DBUS_TYPE_STRING, &path,
+ DBUS_TYPE_INVALID))
+ return NULL;
+
+ l = g_slist_find_custom(adapter->proxies, path, proxy_pathcmp);
+ if (!l)
+ return btd_error_does_not_exist(msg);
+
+ prx = l->data;
+
+ sender = dbus_message_get_sender(msg);
+ if (g_strcmp0(prx->owner, sender) != 0)
+ return btd_error_not_authorized(msg);
+
+ unregister_proxy(prx);
+
+ return dbus_message_new_method_return(msg);
+}
+
+static void manager_path_unregister(void *data)
+{
+ struct serial_adapter *adapter = data;
+ GSList *l;
+
+ /* Remove proxy objects */
+ for (l = adapter->proxies; l; l = l->next) {
+ struct serial_proxy *prx = l->data;
+ char *path = g_strdup(prx->path);
+
+ g_dbus_unregister_interface(adapter->conn, path,
+ SERIAL_PROXY_INTERFACE);
+ g_free(path);
+ }
+
+ if (adapter->conn)
+ dbus_connection_unref(adapter->conn);
+
+ adapters = g_slist_remove(adapters, adapter);
+ g_slist_free(adapter->proxies);
+ btd_adapter_unref(adapter->btd_adapter);
+ g_free(adapter);
+}
+
+static GDBusMethodTable manager_methods[] = {
+ { "CreateProxy", "ss", "s", create_proxy },
+ { "ListProxies", "", "as", list_proxies },
+ { "RemoveProxy", "s", "", remove_proxy },
+ { },
+};
+
+static GDBusSignalTable manager_signals[] = {
+ { "ProxyCreated", "s" },
+ { "ProxyRemoved", "s" },
+ { }
+};
+
+static struct serial_adapter *find_adapter(GSList *list,
+ struct btd_adapter *btd_adapter)
+{
+ GSList *l;
+
+ for (l = list; l; l = l->next) {
+ struct serial_adapter *adapter = l->data;
+
+ if (adapter->btd_adapter == btd_adapter)
+ return adapter;
+ }
+
+ return NULL;
+}
+
+static void serial_proxy_init(struct serial_adapter *adapter)
+{
+ GKeyFile *config;
+ GError *gerr = NULL;
+ const char *file = CONFIGDIR "/serial.conf";
+ char **group_list;
+ int i;
+
+ config = g_key_file_new();
+
+ if (!g_key_file_load_from_file(config, file, 0, &gerr)) {
+ error("Parsing %s failed: %s", file, gerr->message);
+ g_error_free(gerr);
+ g_key_file_free(config);
+ return;
+ }
+
+ group_list = g_key_file_get_groups(config, NULL);
+
+ for (i = 0; group_list[i] != NULL; i++) {
+ char *group_str = group_list[i], *uuid_str, *address;
+ int err;
+ struct serial_proxy *prx;
+
+ /* string length of "Proxy" is 5 */
+ if (strlen(group_str) < 5 || strncmp(group_str, "Proxy", 5))
+ continue;
+
+ uuid_str = g_key_file_get_string(config, group_str, "UUID",
+ &gerr);
+ if (gerr) {
+ DBG("%s: %s", file, gerr->message);
+ g_error_free(gerr);
+ g_key_file_free(config);
+ g_strfreev(group_list);
+ return;
+ }
+
+ address = g_key_file_get_string(config, group_str, "Address",
+ &gerr);
+ if (gerr) {
+ DBG("%s: %s", file, gerr->message);
+ g_error_free(gerr);
+ g_key_file_free(config);
+ g_free(uuid_str);
+ g_strfreev(group_list);
+ return;
+ }
+
+ err = register_proxy(adapter, uuid_str, address, &prx);
+ if (err == -EINVAL)
+ error("Invalid address.");
+ else if (err == -EALREADY)
+ DBG("Proxy already exists.");
+ else if (err < 0)
+ error("Proxy creation failed (%s)", strerror(-err));
+ else {
+ err = enable_proxy(prx);
+ if (err < 0)
+ error("Proxy enable failed (%s)",
+ strerror(-err));
+ }
+
+ g_free(uuid_str);
+ g_free(address);
+ }
+
+ g_strfreev(group_list);
+ g_key_file_free(config);
+}
+
+int proxy_register(DBusConnection *conn, struct btd_adapter *btd_adapter)
+{
+ struct serial_adapter *adapter;
+ const char *path;
+
+ adapter = find_adapter(adapters, btd_adapter);
+ if (adapter)
+ return -EINVAL;
+
+ adapter = g_new0(struct serial_adapter, 1);
+ adapter->conn = dbus_connection_ref(conn);
+ adapter->btd_adapter = btd_adapter_ref(btd_adapter);
+
+ path = adapter_get_path(btd_adapter);
+
+ if (!g_dbus_register_interface(conn, path,
+ SERIAL_MANAGER_INTERFACE,
+ manager_methods, manager_signals, NULL,
+ adapter, manager_path_unregister)) {
+ error("Failed to register %s interface to %s",
+ SERIAL_MANAGER_INTERFACE, path);
+ return -1;
+ }
+
+ adapters = g_slist_append(adapters, adapter);
+
+ DBG("Registered interface %s on path %s",
+ SERIAL_MANAGER_INTERFACE, path);
+
+ serial_proxy_init(adapter);
+
+ return 0;
+}
+
+void proxy_unregister(struct btd_adapter *btd_adapter)
+{
+ struct serial_adapter *adapter;
+
+ adapter = find_adapter(adapters, btd_adapter);
+ if (!adapter)
+ return;
+
+ g_dbus_unregister_interface(adapter->conn,
+ adapter_get_path(btd_adapter),
+ SERIAL_MANAGER_INTERFACE);
+}
diff --git a/serial/proxy.h b/serial/proxy.h
new file mode 100644
index 0000000..7871665
--- /dev/null
+++ b/serial/proxy.h
@@ -0,0 +1,25 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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
+ *
+ */
+
+int proxy_register(DBusConnection *conn, struct btd_adapter *btd_adapter);
+void proxy_unregister(struct btd_adapter *btd_adapter);
diff --git a/serial/serial.conf b/serial/serial.conf
new file mode 100644
index 0000000..43ee6af
--- /dev/null
+++ b/serial/serial.conf
@@ -0,0 +1,10 @@
+# Configuration file for serial
+
+# There could be multiple proxy sections, the format is [Proxy <user chosen name>]
+#[Proxy DUN]
+
+# UUID for DUN proxy service
+#UUID=00001103-0000-1000-8000-00805F9B34FB
+
+# Address for device node
+#Address=/dev/ttyx