| /* |
| * oFono - Open Source Telephony |
| * |
| * Copyright (C) 2013 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 |
| * published by the Free Software Foundation. |
| * |
| * 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 <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include <stdint.h> |
| #include <sys/socket.h> |
| #include <glib.h> |
| #include <ofono.h> |
| |
| #define OFONO_API_SUBJECT_TO_CHANGE |
| #include <ofono/plugin.h> |
| #include <ofono/log.h> |
| #include <ofono/modem.h> |
| #include <gdbus.h> |
| |
| #include "bluez5.h" |
| |
| #ifndef DBUS_TYPE_UNIX_FD |
| #define DBUS_TYPE_UNIX_FD -1 |
| #endif |
| |
| #define DUN_GW_VERSION_1_0 0x0100 |
| #define DUN_GW_CHANNEL 1 |
| #define DUN_GW_EXT_PROFILE_PATH "/bluetooth/profile/dun_gw" |
| |
| static guint modemwatch_id; |
| static GList *modems; |
| |
| static DBusMessage *profile_new_connection(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessageIter entry; |
| const char *device; |
| int fd; |
| struct ofono_emulator *em; |
| struct ofono_modem *modem; |
| |
| DBG("Profile handler NewConnection"); |
| |
| if (dbus_message_iter_init(msg, &entry) == FALSE) |
| goto invalid; |
| |
| if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_OBJECT_PATH) |
| goto invalid; |
| |
| dbus_message_iter_get_basic(&entry, &device); |
| dbus_message_iter_next(&entry); |
| |
| if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_UNIX_FD) |
| goto invalid; |
| |
| dbus_message_iter_get_basic(&entry, &fd); |
| dbus_message_iter_next(&entry); |
| |
| if (fd < 0) |
| goto invalid; |
| |
| DBG("%s", device); |
| |
| /* Pick the first powered modem */ |
| if (modems == NULL) { |
| close(fd); |
| return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE |
| ".Rejected", |
| "No GPRS capable modem"); |
| } |
| |
| modem = modems->data; |
| DBG("Picked modem %p for emulator", modem); |
| |
| em = ofono_emulator_create(modem, OFONO_EMULATOR_TYPE_DUN); |
| if (em == NULL) { |
| close(fd); |
| return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE |
| ".Rejected", |
| "Not enough resources"); |
| } |
| |
| ofono_emulator_register(em, fd); |
| |
| return dbus_message_new_method_return(msg); |
| |
| invalid: |
| return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE ".Rejected", |
| "Invalid arguments in method call"); |
| } |
| |
| static DBusMessage *profile_release(DBusConnection *conn, |
| DBusMessage *msg, void *user_data) |
| { |
| DBG("Profile handler Release"); |
| |
| return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE |
| ".NotImplemented", |
| "Implementation not provided"); |
| } |
| |
| static DBusMessage *profile_cancel(DBusConnection *conn, |
| DBusMessage *msg, void *user_data) |
| { |
| DBG("Profile handler Cancel"); |
| |
| return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE |
| ".NotImplemented", |
| "Implementation not provided"); |
| } |
| |
| static DBusMessage *profile_disconnection(DBusConnection *conn, |
| DBusMessage *msg, void *user_data) |
| { |
| DBG("Profile handler RequestDisconnection"); |
| |
| return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE |
| ".NotImplemented", |
| "Implementation not provided"); |
| } |
| |
| static const GDBusMethodTable profile_methods[] = { |
| { GDBUS_ASYNC_METHOD("NewConnection", |
| GDBUS_ARGS({ "device", "o"}, { "fd", "h"}, |
| { "fd_properties", "a{sv}" }), |
| NULL, profile_new_connection) }, |
| { GDBUS_METHOD("Release", NULL, NULL, profile_release) }, |
| { GDBUS_METHOD("Cancel", NULL, NULL, profile_cancel) }, |
| { GDBUS_METHOD("RequestDisconnection", |
| GDBUS_ARGS({"device", "o"}), NULL, |
| profile_disconnection) }, |
| { } |
| }; |
| |
| static void gprs_watch(struct ofono_atom *atom, |
| enum ofono_atom_watch_condition cond, |
| void *data) |
| { |
| struct ofono_modem *modem = data; |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| |
| if (cond != OFONO_ATOM_WATCH_CONDITION_REGISTERED) { |
| modems = g_list_remove(modems, modem); |
| if (modems != NULL) |
| return; |
| |
| bt_unregister_profile(conn, DUN_GW_EXT_PROFILE_PATH); |
| |
| return; |
| } |
| |
| modems = g_list_append(modems, modem); |
| |
| if (modems->next == NULL) |
| bt_register_profile(conn, DUN_GW_UUID, DUN_GW_VERSION_1_0, |
| "dun_gw", DUN_GW_EXT_PROFILE_PATH, NULL, 0); |
| } |
| |
| static void modem_watch(struct ofono_modem *modem, gboolean added, void *user) |
| { |
| DBG("modem: %p, added: %d", modem, added); |
| |
| if (added == FALSE) |
| return; |
| |
| __ofono_modem_add_atom_watch(modem, OFONO_ATOM_TYPE_GPRS, |
| gprs_watch, modem, NULL); |
| } |
| |
| static void call_modemwatch(struct ofono_modem *modem, void *user) |
| { |
| modem_watch(modem, TRUE, user); |
| } |
| |
| static int dun_gw_init(void) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| |
| DBG(""); |
| |
| if (DBUS_TYPE_UNIX_FD < 0) |
| return -EBADF; |
| |
| /* Registers External Profile handler */ |
| if (!g_dbus_register_interface(conn, DUN_GW_EXT_PROFILE_PATH, |
| BLUEZ_PROFILE_INTERFACE, |
| profile_methods, NULL, |
| NULL, NULL, NULL)) { |
| ofono_error("Register Profile interface failed: %s", |
| DUN_GW_EXT_PROFILE_PATH); |
| return -EIO; |
| } |
| |
| modemwatch_id = __ofono_modemwatch_add(modem_watch, NULL, NULL); |
| |
| __ofono_modem_foreach(call_modemwatch, NULL); |
| |
| return 0; |
| } |
| |
| static void dun_gw_exit(void) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| |
| __ofono_modemwatch_remove(modemwatch_id); |
| |
| g_list_free(modems); |
| |
| bt_unregister_profile(conn, DUN_GW_EXT_PROFILE_PATH); |
| g_dbus_unregister_interface(conn, DUN_GW_EXT_PROFILE_PATH, |
| BLUEZ_PROFILE_INTERFACE); |
| } |
| |
| OFONO_PLUGIN_DEFINE(dun_gw_bluez5, "Dial-up Networking Profile Plugins", |
| VERSION, OFONO_PLUGIN_PRIORITY_DEFAULT, |
| dun_gw_init, dun_gw_exit) |