dbus-signal.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <glib.h>
#include <glib-object.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/types.h>
#include <wlancond-dbus.h>
#include <eap-dbus.h>
#include "common.h"
#include "daemon.h"
#include "dbus.h"
#include "dbus-handler.h"
#include "log.h"
#include "dbus-helper.h"
#include "wpa.h"
#include <dbus/dbus.h>

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Data Structures

struct rtnl_handle

Functions

static void handle_custom_event (char *event_pointer, int len, struct scan_results_t *scan_results)

static int handle_wpa_ie_event_binary (unsigned char *p, unsigned int length, struct scan_results_t *scan_results)

void print_mac (guint priority, const char *message, guchar *mac)

void clean_scan_results_item (gpointer data, gpointer user_data)

void clean_scan_results (GSList **scan_results_save)

GSList * save_scan_results (struct scan_results_t *scan_results, GSList *scan_results_save)

void send_dbus_scan_results (GSList *scan_results_save, const char *sender, dbus_int32_t number_of_results)

void disconnected_signal (void)

static void connected_signal (char *bssid, dbus_int32_t auth_status)

static void handle_wap_event (struct scan_results_t *scan_results, struct iw_event *event, gboolean scan_event)

int print_event_token (struct iw_event *event, struct scan_results_t *scan_results, int ifindex, gboolean scan_event)

static void save_caps (struct scan_results_t *scan_results, struct ap_info_t *ap_info, unsigned char *p, unsigned int length)

static gboolean roam_scanning (void)

static int index2name (int skfd, int ifindex, char *name)

struct wireless_iface * get_interface_data (int ifindex)

static int print_event_stream (int ifindex, char *data, int len)

void del_all_interface_data (void)

static void del_interface_data (int ifindex)

static void handle_message (struct nlmsghdr *hdr)

static void handle_netlink_event (int fd)

static int init_wi (struct rtnl_handle *rth)

static gboolean _monitor_cb (GIOChannel *chan, GIOCondition cond, gpointer data)

gboolean monitor_wi (void)

Variables

static struct wireless_iface * interface_cache = NULL

struct wlan_status_t wlan_status

Detailed Description

Author:: Janne Yl�lehto <janne.ylalehto@nokia.com>

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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Definition in file dbus-signal.c.

Function Documentation

static gboolean _monitor_cb	(	GIOChannel *	chan,
		GIOCondition	cond,
		gpointer	data
	)			`[static]`

Callback function for wireless events.

Parameters:

	chan	GLIB IO Channel
	cond	GLIB IO condition
	data	privat pointer.

Returns:: status.

Definition at line 1170 of file dbus-signal.c.

References handle_netlink_event().

Referenced by monitor_wi().

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void clean_scan_results ( GSList ** scan_results_save )

Remove saved scan results.

Parameters:

scan_results_save

structure where scan results are saved.

Definition at line 90 of file dbus-signal.c.

Referenced by ask_scan_results(), clean_roam_cache(), connect_from_scan_results(), and settings_and_connect_request().

static void connected_signal	(	char *	bssid,
		dbus_int32_t	auth_status
	)			`[static]`

Send connected signal.

Parameters:

	scan_results	Scan results to be sent.
	auth_status	Authentication status.

Definition at line 225 of file dbus-signal.c.

Referenced by handle_wap_event().

void del_all_interface_data ( void )

Deletes all interface data

Definition at line 957 of file dbus-signal.c.

static void del_interface_data ( int ifindex ) [static]

Delete one interface from the list

Parameters:

ifindex

Interface index.

Definition at line 978 of file dbus-signal.c.

References set_scan_state(), and set_wlan_state().

Referenced by handle_message().

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void disconnected_signal ( void )

Send disconnected signal.

Definition at line 201 of file dbus-signal.c.

Referenced by set_wlan_state().

struct wireless_iface* get_interface_data ( int ifindex ) [read]

Get interface data from cache or live interface.

Parameters:

ifindex

Interface index.

Returns:: wireless_iface The wireless interface.

Definition at line 867 of file dbus-signal.c.

References index2name(), and socket_open().

Referenced by print_event_stream(), and scan_results_ioctl().

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static void handle_custom_event	(	char *	event_pointer,
		int	length,
		struct scan_results_t *	scan_results
	)			`[static]`

Handle custom event.

Parameters:

	event_pointer	pointer to custom event.
	length	custom event length.
	scan_results	pointer to scan results struct.

Definition at line 797 of file dbus-signal.c.

References get_wlan_state(), handle_mic_failure(), roam_scanning(), and schedule_scan().

Referenced by print_event_token().

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static void handle_message ( struct nlmsghdr * hdr ) [static]

Netlink event handling continues, now we know that we have a message

Parameters:

hdr

Pointer to message header.

Definition at line 1031 of file dbus-signal.c.

References del_interface_data(), and print_event_stream().

Referenced by handle_netlink_event().

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static void handle_netlink_event ( int fd ) [static]

Start netlink event handling

Parameters:

fd

File descriptor.

Definition at line 1072 of file dbus-signal.c.

References handle_message().

Referenced by _monitor_cb().

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static void handle_wap_event	(	struct scan_results_t *	scan_results,
		struct iw_event *	event,
		gboolean	scan_event
	)			`[static]`

Handle WAP wireless event.

Parameters:

	event	extracted token.
	scan_results	structure where scan results are saved.

Returns:: status.

Definition at line 252 of file dbus-signal.c.

References associate_supplicant(), clear_wpa_keys(), connected_signal(), decrease_signal_in_roam_cache(), disassociate_eap(), find_connection_and_associate(), get_encryption_info(), get_scan_state(), get_wlan_state(), get_wpa_mode(), scan(), set_bssid(), set_essid(), set_wlan_state(), and set_wpa_ie().

Referenced by print_event_token().

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static int handle_wpa_ie_event_binary	(	unsigned char *	p,
		unsigned int	length,
		struct scan_results_t *	scan_results
	)			`[static]`

WPA Information element event binary.

Parameters:

	p	Pointer to event buffer.
	length	Event buffer length.
	scan_results	Pointer to scan results structure.

Definition at line 689 of file dbus-signal.c.

References handle_wps_ie(), parse_rsn_ie(), parse_wpa_ie(), and save_caps().

Referenced by print_event_token().

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static int index2name	(	int	skfd,
		int	ifindex,
		char *	name
	)			`[static]`

Get name of interface based on interface index.

Parameters:

	skfd	Socket.
	ifindex	Interface index.
	name	Interface name.

Returns:: status.

Definition at line 843 of file dbus-signal.c.

Referenced by get_interface_data().

static int init_wi ( struct rtnl_handle * rth ) [static]

Initialize wireless interface

Parameters:

rth

private struct.

Returns:: status.

Definition at line 1126 of file dbus-signal.c.

Referenced by monitor_wi().

gboolean monitor_wi ( void )

Starts monitoring of wireless events.

Returns:: status.

Definition at line 1194 of file dbus-signal.c.

References _monitor_cb(), and init_wi().

Referenced by main().

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static int print_event_stream	(	int	ifindex,
		char *	data,
		int	len
	)			`[static]`

Event handling.

Parameters:

	ifindex	Interface index.
	data	Data.
	len	Data length.

Returns:: status.

Definition at line 919 of file dbus-signal.c.

References get_interface_data(), and print_event_token().

Referenced by handle_message().

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int print_event_token	(	struct iw_event *	event,
		struct scan_results_t *	scan_results,
		int	ifindex,
		gboolean	scan_event
	)

Print or save wireless events.

Parameters:

	event	extracted token.
	scan_results	structure where scan results are saved.
	ifindex	Interface index.

Returns:: status.

Definition at line 380 of file dbus-signal.c.

References ask_scan_results(), get_scan_state(), handle_custom_event(), handle_wap_event(), handle_wpa_ie_event_binary(), and set_wlan_state().

Referenced by print_event_stream(), and scan_results_ioctl().

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static gboolean roam_scanning ( void ) [static]

Check if we have scanned in last WLANCOND_MIN_ROAM_SCAN_INTERVAL.

Returns:: TRUE if we have scanned, FALSE otherwise.

Definition at line 778 of file dbus-signal.c.

Referenced by handle_custom_event().

static void save_caps	(	struct scan_results_t *	scan_results,
		struct ap_info_t *	ap_info,
		unsigned char *	p,
		unsigned int	length
	)			`[static]`

Save WPA capabilities and print them to log.

Parameters:

	scan_results	Pointer to scan results structure.
	ap_info	Pointer to AP information structure.
	p	Pointer to event buffer.
	length	Event buffer length.

Definition at line 588 of file dbus-signal.c.

Referenced by handle_wpa_ie_event_binary().

GSList* save_scan_results	(	struct scan_results_t *	scan_results,
		GSList *	scan_results_save
	)

Save scan results to list.

Parameters:

	scan_results	structure where scan results are.
	scan_results_save	structure where scan results are saved.

Definition at line 106 of file dbus-signal.c.

Referenced by scan_results_ioctl().

void send_dbus_scan_results	(	GSList *	scan_results_save,
		const char *	sender,
		dbus_int32_t	number_of_results
	)

Send scan results to DBUS.

Parameters:

	scan_results_save	structure where scan results are saved.
	sender	The message is sent to this entity.

Definition at line 123 of file dbus-signal.c.

Referenced by ask_scan_results(), and set_scan_state().


Data Structures
struct	rtnl_handle
Functions
static void	handle_custom_event (char event_pointer, int len, struct scan_results_t scan_results)
static int	handle_wpa_ie_event_binary (unsigned char p, unsigned int length, struct scan_results_t scan_results)
void	print_mac (guint priority, const char message, guchar mac)
void	clean_scan_results_item (gpointer data, gpointer user_data)
void	clean_scan_results (GSList **scan_results_save)
GSList *	save_scan_results (struct scan_results_t scan_results, GSList scan_results_save)
void	send_dbus_scan_results (GSList scan_results_save, const char sender, dbus_int32_t number_of_results)
void	disconnected_signal (void)
static void	connected_signal (char *bssid, dbus_int32_t auth_status)
static void	handle_wap_event (struct scan_results_t scan_results, struct iw_event event, gboolean scan_event)
int	print_event_token (struct iw_event event, struct scan_results_t scan_results, int ifindex, gboolean scan_event)
static void	save_caps (struct scan_results_t scan_results, struct ap_info_t ap_info, unsigned char *p, unsigned int length)
static gboolean	roam_scanning (void)
static int	index2name (int skfd, int ifindex, char *name)
struct wireless_iface *	get_interface_data (int ifindex)
static int	print_event_stream (int ifindex, char *data, int len)
void	del_all_interface_data (void)
static void	del_interface_data (int ifindex)
static void	handle_message (struct nlmsghdr *hdr)
static void	handle_netlink_event (int fd)
static int	init_wi (struct rtnl_handle *rth)
static gboolean	_monitor_cb (GIOChannel *chan, GIOCondition cond, gpointer data)
gboolean	monitor_wi (void)
Variables
static struct wireless_iface *	interface_cache = NULL
struct wlan_status_t	wlan_status