dbus-handler.h File Reference

#include <sys/types.h>
#include <sys/socket.h>
#include <linux/types.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/if_ether.h>
#include <iwlib.h>
#include <wireless.h>
#include <dbus/dbus.h>
#include <wlancond.h>
#include "common.h"

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Defines

#define DBUS_API_SUBJECT_TO_CHANGE

#define CLEAR   1

#define SET   2

#define ETOOMANYREGISTRARS   -500

Functions

void init_dbus_handlers (DBusConnection *connection)

void destroy_dbus_handlers (DBusConnection *connection)

int socket_open (void)

void init_iwreq (struct iwreq *req)

gboolean ask_scan_results (int ifindex)

void set_wlan_state (int new_state, int send_signal, force_t force)

guint get_wlan_state (void)

void set_scan_state (guint new_state)

guint get_scan_state (void)

int init_dbus_handler (void)

int clean_dbus_handler (void)

void clear_wpa_mode (void)

int wpa_ie_push (unsigned char *ap_mac_addr, unsigned char *ap_wpa_ie, int ap_wpa_ie_len, char *ssid, int ssid_len, unsigned int authentication_type)

gboolean get_wpa_mode (void)

int set_interface_state (int sock, int dir, short flags)

void clear_wpa_keys (unsigned char *bssid)

void clean_roam_cache (void)

guint get_mode (void)

int scan (gchar *ssid, int ssid_len, gboolean add_timer)

void update_own_ie (unsigned char *wpa_ie, guint wpa_ie_len)

gboolean set_power_state (guint state, int sock)

guint get_encryption_info (void)

void remove_connect_timer (void)

int disassociate_eap (void)

int wpa_mic_failure_event (dbus_bool_t key_type, dbus_bool_t is_fatal)

int get_we_device_name (void)

unsigned char * find_pmkid_from_pmk_cache (unsigned char *mac)

DBusHandlerResult wlancond_req_handler (DBusConnection *connection, DBusMessage *message, void *user_data)

int associate (struct scan_results_t *scan_results)

gboolean remove_from_roam_cache (unsigned char *bssid)

struct scan_results_t * find_connection (GSList *scan_list, struct connect_params_t *conn, gboolean update_roam_cache)

void remove_roam_scan_timer (void)

void remove_scan_timer (void)

int associate_supplicant (void)

int set_bssid (unsigned char *bssid)

int set_essid (char *essid, int essid_len)

int find_connection_and_associate (GSList *scan_results, gboolean update_roam_cache, gboolean create_new_adhoc)

int scan_results_ioctl (int ifindex, GSList **scan_results_save)

void set_wlan_signal (gboolean high_or_low)

gboolean decrease_signal_in_roam_cache (unsigned char *bssid)

int mlme_command (guchar *addr, guint16 cmd, guint16 reason_code)

void schedule_scan (guint seconds)

Detailed Description

Author:: Janne Ylalehto <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-handler.h.

Function Documentation

gboolean ask_scan_results ( int ifindex )

Scan results request.

Parameters:

ifindex

Interface index.

Returns:: status.

Definition at line 2360 of file dbus-handler.c.

References clean_roam_cache(), clean_scan_results(), connect_from_scan_results(), get_scan_state(), get_wlan_state(), network_compare(), scan_results_ioctl(), send_dbus_scan_results(), set_interface_state(), set_scan_state(), set_wlan_state(), and socket_open().

Referenced by print_event_token().

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int associate ( struct scan_results_t * scan_results )

Associate function to associate to selected access point.

Parameters:

scan_results

Scan results.

Returns:: status.

Definition at line 1541 of file dbus-handler.c.

References clear_wpa_keys(), get_wpa_mode(), set_bssid(), set_encryption_method(), set_essid(), set_freq(), set_wep_keys(), update_algorithms(), wlan_connect_timer_cb(), and wpa_ie_push().

Referenced by find_connection_and_associate().

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int associate_supplicant ( void )

Associate EAP D-BUS request.

Returns:: status.

Definition at line 2983 of file dbus-handler.c.

Referenced by handle_wap_event().

int clean_dbus_handler ( void )

Helper function for cleaning handler.

Definition at line 205 of file dbus-handler.c.

void clean_roam_cache ( void )

Clean roaming cache.

Definition at line 1061 of file dbus-handler.c.

References clean_scan_results().

Referenced by ask_scan_results(), find_connection(), and set_wlan_state().

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void clear_wpa_keys ( unsigned char * bssid )

Clear WPA keys.

Parameters:

bssid

optional BSSID which keys to remove.

Definition at line 1240 of file dbus-handler.c.

References init_iwreq(), and socket_open().

Referenced by associate(), clear_wpa_mode(), disassociate_request(), and handle_wap_event().

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void clear_wpa_mode ( void )

Clear WPA mode related stuff.

Definition at line 1068 of file dbus-handler.c.

References clear_wpa_keys().

Referenced by set_wlan_state().

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gboolean decrease_signal_in_roam_cache ( unsigned char * bssid )

Give penalty to failed AP.

Parameters:

bssid

BSSID.

Returns:: status.

Definition at line 1841 of file dbus-handler.c.

Referenced by handle_wap_event().

void destroy_dbus_handlers ( DBusConnection * connection )

Free memory allocated to handlers

Parameters:

connection

D-Bus connection

Destroy D-BUS handlers.

Parameters:

connection

DBUS connection.

Definition at line 3183 of file dbus-handler.c.

Referenced by main().

int disassociate_eap ( void )

Disassociate EAP D-BUS request.

Returns:: status.

Definition at line 3050 of file dbus-handler.c.

References disassociate_cb().

Referenced by handle_wap_event().

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struct scan_results_t* find_connection	(	GSList *	ap_list,
		struct connect_params_t *	conn,
		gboolean	update_roam_cache
	)			`[read]`

Find connection.

Parameters:

	ap_list	List of access points.
	conn	Connection parameters.
	update_roam_cache	Update roaming cache or not.

Returns:: scan_results_t Returns best connection if found.

Definition at line 1990 of file dbus-handler.c.

References add_to_roam_cache(), check_capabilities(), clean_roam_cache(), and is_ap_in_black_list().

Referenced by find_connection_and_associate().

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int find_connection_and_associate	(	GSList *	scan_results,
		gboolean	update_roam_cache,
		gboolean	create_new_adhoc
	)

Find connection and associate.

Parameters:

scan_results

Scan results.

Returns:: status.

Definition at line 2103 of file dbus-handler.c.

References associate(), find_adhoc_channel(), and find_connection().

Referenced by connect_from_scan_results(), handle_wap_event(), settings_and_connect_request(), and wlan_connect_timer_cb().

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unsigned char* find_pmkid_from_pmk_cache ( unsigned char * mac )

Find entry from PMKSA cache.

Parameters:

mac

MAC address to identify the entry.

Returns:: PMKID or NULL.

Definition at line 1150 of file dbus-handler.c.

Referenced by generate_wpa2_ie().

guint get_encryption_info ( void )

Get encryption info.

Returns:: status.

Definition at line 173 of file dbus-handler.c.

Referenced by handle_wap_event().

guint get_mode ( void )

Helper function for getting the wlan mode.

Returns:: mode.

Definition at line 802 of file dbus-handler.c.

Referenced by icd_check_signal_dbus(), and status_request().

guint get_scan_state ( void )

Helper function for getting the scan state.

Returns:: state.

Definition at line 794 of file dbus-handler.c.

Referenced by ask_scan_results(), handle_wap_event(), print_event_token(), scan(), and scan_request().

int get_we_device_name ( void )

Find the name of the wireless device, needed in all ioctl calls. Save the result so that we don't need to find it in every ioctl call.

Returns:: status.

Definition at line 926 of file dbus-handler.c.

References set_we_name(), and socket_open().

Referenced by main().

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guint get_wlan_state ( void )

Helper function for getting the wlan state.

Returns:: state.

Definition at line 761 of file dbus-handler.c.

Referenced by ask_scan_results(), connect_from_scan_results(), connection_status_request(), disassociate_request(), handle_custom_event(), handle_wap_event(), icd_check_signal_dbus(), init_if(), rescan(), scan_request(), set_powersave_request(), set_wlan_state(), status_request(), wlan_connect_timer_cb(), wlan_if_down_cb(), and wlan_scan_cb().

gboolean get_wpa_mode ( void )

Check if WPA mode is in use.

Returns:: TRUE if mode is in use.

Definition at line 1088 of file dbus-handler.c.

Referenced by associate(), disassociate_request(), and handle_wap_event().

int init_dbus_handler ( void )

Helper function for initializing handler structs

Definition at line 193 of file dbus-handler.c.

References get_own_mac().

Referenced by main().

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void init_dbus_handlers ( DBusConnection * connection )

Bind functions to corresponding D-Bus messages

Parameters:

connection

D-Bus connection

Create bindings for D-BUS handlers.

Parameters:

connection

DBUS connection.

Definition at line 3160 of file dbus-handler.c.

Referenced by main().

void init_iwreq ( struct iwreq * req )

Helper function for initializing the iwreq.

Definition at line 93 of file dbus-handler.c.

Referenced by clear_wpa_keys(), mlme_command(), scan(), scan_results_ioctl(), set_bssid(), set_encryption_method_helper(), set_essid(), set_freq(), set_mode(), set_power_state(), set_tx_power(), set_wep_keys(), set_wpa_ie(), and status_request().

int mlme_command	(	guchar *	addr,
		guint16	cmd,
		guint16	reason_code
	)

MLME command.

Parameters:

	addr	Access point MAC address.
	cmd	Command.
	reason_code	Reason for leaving.

Returns:: status.

Definition at line 486 of file dbus-handler.c.

References init_iwreq(), and socket_open().

Referenced by disassociate_request(), handle_mic_failure(), and set_wlan_state().

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gboolean remove_from_roam_cache ( unsigned char * bssid )

Remove from roam cache.

Parameters:

bssid

BSSID to remove.

Returns:: status.

Definition at line 1814 of file dbus-handler.c.

Referenced by wlan_connect_timer_cb().

int scan	(	gchar *	ssid,
		int	ssid_len,
		gboolean	add_timer
	)

Helper function for scanning.

Parameters:

	ssid	SSID to scan.
	ssid_len	SSID length.

Returns:: status.

Definition at line 1169 of file dbus-handler.c.

References get_scan_state(), init_iwreq(), set_scan_state(), socket_open(), and wlan_scan_cb().

Referenced by disassociate_request(), handle_wap_event(), rescan(), scan_request(), settings_and_connect_request(), and wlan_connect_timer_cb().

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int scan_results_ioctl	(	int	ifindex,
		GSList **	scan_results_save
	)

Get scan results from mac80211.

Parameters:

	ifindex	Interface index.
	scan_results_save	Scan results to save.

Returns:: status.

Definition at line 2223 of file dbus-handler.c.

References get_interface_data(), init_iwreq(), print_event_token(), save_scan_results(), and socket_open().

Referenced by ask_scan_results(), and settings_and_connect_request().

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void schedule_scan ( guint seconds )

Schedule scan.

Parameters:

seconds

Delay scan for this many seconds.

Definition at line 1927 of file dbus-handler.c.

Referenced by handle_custom_event(), and reschedule_scan().

int set_bssid ( unsigned char * bssid )

Helper function for setting the BSSID.

Parameters:

bssid

BSSID.

Returns:: status.

Definition at line 635 of file dbus-handler.c.

References init_iwreq(), and socket_open().

Referenced by associate(), handle_wap_event(), and set_wlan_state().

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int set_essid	(	char *	essid,
		int	essid_len
	)

Helper function for setting the ESSID.

Parameters:

	essid	ESSID.
	essid_len	ESSID length.

Returns:: status.

Definition at line 612 of file dbus-handler.c.

References init_iwreq(), and socket_open().

Referenced by associate(), handle_wap_event(), and set_wlan_state().

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int set_interface_state	(	int	sock,
		int	dir,
		short	flags
	)

Set interface state.

Parameters:

	socket	socket.
	dir	direction.
	flags	settings flags.

Returns:: status.

Definition at line 944 of file dbus-handler.c.

Referenced by ask_scan_results(), init_if(), and set_wlan_state().

gboolean set_power_state	(	guint	new_state,
		int	sock
	)

Set WLAN power state.

Parameters:

	state	New power state.
	sock	socket.

Returns:: status.

Definition at line 813 of file dbus-handler.c.

References get_gconf_int(), and init_iwreq().

Referenced by icd_check_signal_dbus(), init_if(), set_powersave_request(), and settings_and_connect_request().

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void set_scan_state ( guint new_state )

Helper function for setting new scan state.

Parameters:

new_state

New scan state.

Definition at line 770 of file dbus-handler.c.

References send_dbus_scan_results().

Referenced by ask_scan_results(), disconnect_request(), scan(), set_wlan_state(), settings_and_connect_request(), and wlan_scan_cb().

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void set_wlan_state	(	int	new_state,
		int	send_signal,
		force_t	force
	)

Helper function for setting new wlan state

Parameters:

	new_state	New state for WLAN.
	send_signal	Should signal be sent.
	force	If shutdown is forced or not.

Definition at line 660 of file dbus-handler.c.

References clean_roam_cache(), clear_wpa_mode(), disconnected_signal(), get_wlan_state(), mlme_command(), set_bssid(), set_essid(), set_interface_state(), set_scan_state(), socket_open(), and wlan_if_down_cb().

Referenced by ask_scan_results(), connect_from_scan_results(), disassociate_request(), disconnect_request(), handle_mic_failure(), handle_wap_event(), icd_check_signal_dbus(), init_if(), main(), mode_change(), print_event_token(), scan_request(), set_powersave_request(), settings_and_connect_request(), wlan_connect_timer_cb(), wlan_if_down_cb(), wlan_scan_cb(), and wpa_ie_push_cb().

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int socket_open ( void )

Helper function for socket opening.

Definition at line 78 of file dbus-handler.c.

Referenced by ask_scan_results(), clear_wpa_keys(), get_interface_data(), get_own_mac(), get_we_device_name(), icd_check_signal_dbus(), mlme_command(), scan(), scan_request(), scan_results_ioctl(), set_bssid(), set_encryption_method_helper(), set_essid(), set_freq(), set_mode(), set_powersave_request(), set_wep_keys(), set_wlan_state(), set_wpa_ie(), settings_and_connect_request(), and status_request().

void update_own_ie	(	unsigned char *	wpa_ie,
		guint	wpa_ie_len
	)

Update our Information Element.

Parameters:

	wpa_ie	WPA Information Element.
	wpa_ie_len	WPA Information Element length.

Definition at line 163 of file dbus-handler.c.

Referenced by generate_wpa2_ie(), and generate_wpa_ie().

DBusHandlerResult wlancond_req_handler	(	DBusConnection *	connection,
		DBusMessage *	message,
		void *	user_data
	)

Generic handler for D-Bus requests.

Parameters:

	message	DBUS message.
	connection	DBUS connection.

Returns:: status.

Definition at line 3105 of file dbus-handler.c.

References icd_check_signal_dbus().

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int wpa_ie_push	(	unsigned char *	ap_mac_addr,
		unsigned char *	ap_wpa_ie,
		int	ap_wpa_ie_len,
		char *	ssid,
		int	ssid_len,
		unsigned int	authentication_type
	)

WPA IE D-BUS push.

Parameters:

	ap_mac_addr	Access point MAC address.
	ap_wpa_ie	Pointer to access point WPA IE.
	ap_wpa_ie_len	Access point WPA IE length.
	authentication_type	authentication type.

Returns:: status.

Definition at line 2882 of file dbus-handler.c.

References wpa_ie_push_cb().

Referenced by associate().

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int wpa_mic_failure_event	(	dbus_bool_t	key_type,
		dbus_bool_t	is_fatal
	)

WPA MIC failure event D-BUS request.

Parameters:

	key_type	Key type, Unicast/Broadcast key.
	is_fatal	Error is fatal if true.

Returns:: status.

Definition at line 2939 of file dbus-handler.c.

Referenced by handle_mic_failure().


Defines
#define	DBUS_API_SUBJECT_TO_CHANGE
#define	CLEAR 1
#define	SET 2
#define	ETOOMANYREGISTRARS -500
Functions
void	init_dbus_handlers (DBusConnection *connection)
void	destroy_dbus_handlers (DBusConnection *connection)
int	socket_open (void)
void	init_iwreq (struct iwreq *req)
gboolean	ask_scan_results (int ifindex)
void	set_wlan_state (int new_state, int send_signal, force_t force)
guint	get_wlan_state (void)
void	set_scan_state (guint new_state)
guint	get_scan_state (void)
int	init_dbus_handler (void)
int	clean_dbus_handler (void)
void	clear_wpa_mode (void)
int	wpa_ie_push (unsigned char ap_mac_addr, unsigned char ap_wpa_ie, int ap_wpa_ie_len, char *ssid, int ssid_len, unsigned int authentication_type)
gboolean	get_wpa_mode (void)
int	set_interface_state (int sock, int dir, short flags)
void	clear_wpa_keys (unsigned char *bssid)
void	clean_roam_cache (void)
guint	get_mode (void)
int	scan (gchar *ssid, int ssid_len, gboolean add_timer)
void	update_own_ie (unsigned char *wpa_ie, guint wpa_ie_len)
gboolean	set_power_state (guint state, int sock)
guint	get_encryption_info (void)
void	remove_connect_timer (void)
int	disassociate_eap (void)
int	wpa_mic_failure_event (dbus_bool_t key_type, dbus_bool_t is_fatal)
int	get_we_device_name (void)
unsigned char *	find_pmkid_from_pmk_cache (unsigned char *mac)
DBusHandlerResult	wlancond_req_handler (DBusConnection connection, DBusMessage message, void *user_data)
int	associate (struct scan_results_t *scan_results)
gboolean	remove_from_roam_cache (unsigned char *bssid)
struct scan_results_t *	find_connection (GSList scan_list, struct connect_params_t conn, gboolean update_roam_cache)
void	remove_roam_scan_timer (void)
void	remove_scan_timer (void)
int	associate_supplicant (void)
int	set_bssid (unsigned char *bssid)
int	set_essid (char *essid, int essid_len)
int	find_connection_and_associate (GSList *scan_results, gboolean update_roam_cache, gboolean create_new_adhoc)
int	scan_results_ioctl (int ifindex, GSList **scan_results_save)
void	set_wlan_signal (gboolean high_or_low)
gboolean	decrease_signal_in_roam_cache (unsigned char *bssid)
int	mlme_command (guchar *addr, guint16 cmd, guint16 reason_code)
void	schedule_scan (guint seconds)