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fragattacks/wpa_supplicant/dbus/dbus_new.c

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/*
* WPA Supplicant / dbus-based control interface
* Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
* Copyright (c) 2009, Witold Sowa <witold.sowa@gmail.com>
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
*
* 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.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "includes.h"
#include "common.h"
#include "wps/wps.h"
#include "../config.h"
#include "../wpa_supplicant_i.h"
#include "../bss.h"
#include "dbus_new_helpers.h"
#include "dbus_dict_helpers.h"
#include "dbus_new.h"
#include "dbus_new_handlers.h"
#include "dbus_common.h"
#include "dbus_common_i.h"
/**
* wpas_dbus_set_path - Assign a dbus path to an interface
* @wpa_s: wpa_supplicant interface structure
* @path: dbus path to set on the interface
* Returns: 0 on success, -1 on error
*/
static int wpas_dbus_set_path(struct wpa_supplicant *wpa_s,
const char *path)
{
u32 len = os_strlen(path);
if (len >= WPAS_DBUS_OBJECT_PATH_MAX)
return -1;
if (wpa_s->dbus_new_path)
return -1;
wpa_s->dbus_new_path = os_strdup(path);
return 0;
}
/**
* wpas_dbus_signal_interface - Send a interface related event signal
* @wpa_s: %wpa_supplicant network interface data
* @sig_name: signal name - InterfaceAdded or InterfaceRemoved
* @properties: determines if add second argument with object properties
*
* Notify listeners about event related with interface
*/
static void wpas_dbus_signal_interface(struct wpa_supplicant *wpa_s,
const char *sig_name, int properties)
{
struct wpas_dbus_priv *iface;
DBusMessage *_signal;
DBusMessageIter iter, iter_dict;
const char *path;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (path == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_interface[dbus]: "
"Interface doesn't have a dbus path. "
"Can't send signal.");
return;
}
_signal = dbus_message_new_signal(WPAS_DBUS_NEW_PATH,
WPAS_DBUS_NEW_INTERFACE, sig_name);
if (_signal == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_interface[dbus]: "
"enough memory to send scan results signal.");
return;
}
dbus_message_iter_init_append(_signal, &iter);
if(!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
&path))
goto err;
if (properties) {
if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
goto err;
wpa_dbus_get_object_properties(iface, path,
WPAS_DBUS_NEW_IFACE_INTERFACE,
&iter_dict);
if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
goto err;
}
dbus_connection_send(iface->con, _signal, NULL);
dbus_message_unref(_signal);
return;
err:
wpa_printf(MSG_ERROR, "wpas_dbus_signal_interface[dbus]: "
"not enough memory to construct signal.");
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_interface_added - Send a interface created signal
* @wpa_s: %wpa_supplicant network interface data
*
* Notify listeners about creating new interface
*/
static void wpas_dbus_signal_interface_added(struct wpa_supplicant *wpa_s)
{
wpas_dbus_signal_interface(wpa_s, "InterfaceAdded", TRUE);
}
/**
* wpas_dbus_signal_interface_removed - Send a interface removed signal
* @wpa_s: %wpa_supplicant network interface data
*
* Notify listeners about removing interface
*/
static void wpas_dbus_signal_interface_removed(struct wpa_supplicant *wpa_s)
{
wpas_dbus_signal_interface(wpa_s, "InterfaceRemoved", FALSE);
}
/**
* wpas_dbus_signal_scan_done - send scan done signal
* @wpa_s: %wpa_supplicant network interface data
* @success: indicates if scanning succeed or failed
*
* Notify listeners about finishing a scan
*/
static void wpas_dbus_signal_scan_done(struct wpa_supplicant *wpa_s,
int success)
{
struct wpas_dbus_priv *iface;
DBusMessage *_signal;
const char *path;
dbus_bool_t succ;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (path == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_scan_done[dbus]: "
"Interface doesn't have a dbus path. "
"Can't send signal.");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
"ScanDone");
if (_signal == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_scan_done[dbus]: "
"enough memory to send signal.");
return;
}
succ = success ? TRUE : FALSE;
if (dbus_message_append_args(_signal, DBUS_TYPE_BOOLEAN, &succ,
DBUS_TYPE_INVALID)) {
dbus_connection_send(iface->con, _signal, NULL);
} else {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_scan_done[dbus]: "
"not enough memory to construct signal.");
}
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_blob - Send a BSS related event signal
* @wpa_s: %wpa_supplicant network interface data
* @bss_obj_path: BSS object path
* @sig_name: signal name - BSSAdded or BSSRemoved
* @properties: determines if add second argument with object properties
*
* Notify listeners about event related with BSS
*/
static void wpas_dbus_signal_bss(struct wpa_supplicant *wpa_s,
const char *bss_obj_path,
const char *sig_name, int properties)
{
struct wpas_dbus_priv *iface;
DBusMessage *_signal;
DBusMessageIter iter, iter_dict;
const char *path;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (path == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_bss[dbus]: "
"Interface doesn't have a dbus path. "
"Can't send signal.");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
sig_name);
if (_signal == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_bss[dbus]: "
"enough memory to send signal.");
return;
}
dbus_message_iter_init_append(_signal, &iter);
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
&bss_obj_path))
goto err;
if (properties) {
if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
goto err;
wpa_dbus_get_object_properties(iface, bss_obj_path,
WPAS_DBUS_NEW_IFACE_BSSID,
&iter_dict);
if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
goto err;
}
dbus_connection_send(iface->con, _signal, NULL);
dbus_message_unref(_signal);
return;
err:
wpa_printf(MSG_ERROR, "wpas_dbus_signal_bss[dbus]: "
"not enough memory to construct signal.");
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_bss_added - Send a BSS added signal
* @wpa_s: %wpa_supplicant network interface data
* @bss_obj_path: new BSS object path
*
* Notify listeners about adding new BSS
*/
static void wpas_dbus_signal_bss_added(struct wpa_supplicant *wpa_s,
const char *bss_obj_path)
{
wpas_dbus_signal_bss(wpa_s, bss_obj_path, "BSSAdded", TRUE);
}
/**
* wpas_dbus_signal_bss_removed - Send a BSS removed signal
* @wpa_s: %wpa_supplicant network interface data
* @bss_obj_path: BSS object path
*
* Notify listeners about removing BSS
*/
static void wpas_dbus_signal_bss_removed(struct wpa_supplicant *wpa_s,
const char *bss_obj_path)
{
wpas_dbus_signal_bss(wpa_s, bss_obj_path, "BSSRemoved", FALSE);
}
/**
* wpas_dbus_signal_blob - Send a blob related event signal
* @wpa_s: %wpa_supplicant network interface data
* @name: blob name
* @sig_name: signal name - BlobAdded or BlobRemoved
*
* Notify listeners about event related with blob
*/
static void wpas_dbus_signal_blob(struct wpa_supplicant *wpa_s,
const char *name, const char *sig_name)
{
struct wpas_dbus_priv *iface;
DBusMessage *_signal;
const char *path;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (path == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_blob[dbus]: "
"Interface doesn't have a dbus path. "
"Can't send signal.");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
sig_name);
if (_signal == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_blob[dbus]: "
"enough memory to send signal.");
return;
}
if (dbus_message_append_args(_signal, DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID)) {
dbus_connection_send(iface->con, _signal, NULL);
} else {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_blob[dbus]: "
"not enough memory to construct signal.");
}
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_blob_added - Send a blob added signal
* @wpa_s: %wpa_supplicant network interface data
* @name: blob name
*
* Notify listeners about adding a new blob
*/
static void wpas_dbus_signal_blob_added(struct wpa_supplicant *wpa_s,
const char *name)
{
wpas_dbus_signal_blob(wpa_s, name, "BlobAdded");
}
/**
* wpas_dbus_signal_blob_removed - Send a blob removed signal
* @wpa_s: %wpa_supplicant network interface data
* @name: blob name
*
* Notify listeners about removing blob
*/
static void wpas_dbus_signal_blob_removed(struct wpa_supplicant *wpa_s,
const char *name)
{
wpas_dbus_signal_blob(wpa_s, name, "BlobRemoved");
}
/**
* wpas_dbus_signal_network - Send a network related event signal
* @wpa_s: %wpa_supplicant network interface data
* @id: new network id
* @sig_name: signal name - NetworkAdded, NetworkRemoved or NetworkSelected
* @properties: determines if add second argument with object properties
*
* Notify listeners about event related with configured network
*/
static void wpas_dbus_signal_network(struct wpa_supplicant *wpa_s,
int id, const char *sig_name,
int properties)
{
struct wpas_dbus_priv *iface;
DBusMessage *_signal;
DBusMessageIter iter, iter_dict;
const char *path;
char *net_obj_path;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (path == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_network[dbus]: "
"Interface doesn't have a dbus path. "
"Can't send signal.");
return;
}
net_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (net_obj_path == NULL)
return;
os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u", path, id);
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
sig_name);
if (_signal == NULL) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_network[dbus]: "
"enough memory to send signal.");
os_free(net_obj_path);
return;
}
dbus_message_iter_init_append(_signal, &iter);
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
&net_obj_path))
goto err;
if (properties) {
if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
goto err;
wpa_dbus_get_object_properties(iface, net_obj_path,
WPAS_DBUS_NEW_IFACE_NETWORK,
&iter_dict);
if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
goto err;
}
dbus_connection_send(iface->con, _signal, NULL);
os_free(net_obj_path);
dbus_message_unref(_signal);
return;
err:
wpa_printf(MSG_ERROR, "wpas_dbus_signal_network[dbus]: "
"not enough memory to construct signal.");
os_free(net_obj_path);
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_network_added - Send a network added signal
* @wpa_s: %wpa_supplicant network interface data
* @id: new network id
*
* Notify listeners about adding new network
*/
static void wpas_dbus_signal_network_added(struct wpa_supplicant *wpa_s,
int id)
{
wpas_dbus_signal_network(wpa_s, id, "NetworkAdded", TRUE);
}
/**
* wpas_dbus_signal_network_removed - Send a network removed signal
* @wpa_s: %wpa_supplicant network interface data
* @id: network id
*
* Notify listeners about removing a network
*/
static void wpas_dbus_signal_network_removed(struct wpa_supplicant *wpa_s,
int id)
{
wpas_dbus_signal_network(wpa_s, id, "NetworkRemoved", FALSE);
}
/**
* wpas_dbus_signal_network_selected - Send a network selected signal
* @wpa_s: %wpa_supplicant network interface data
* @id: network id
*
* Notify listeners about selecting a network
*/
static void wpas_dbus_signal_network_selected(struct wpa_supplicant *wpa_s,
int id)
{
wpas_dbus_signal_network(wpa_s, id, "NetworkSelected", FALSE);
}
/**
* wpas_dbus_signal_state_changed - Send a state changed signal
* @wpa_s: %wpa_supplicant network interface data
* @new_state: new state wpa_supplicant is entering
* @old_state: old state wpa_supplicant is leaving
*
* Notify listeners that wpa_supplicant has changed state
*/
static void wpas_dbus_signal_state_changed(struct wpa_supplicant *wpa_s,
enum wpa_states new_state,
enum wpa_states old_state)
{
struct wpas_dbus_priv *iface;
DBusMessage *_signal = NULL;
const char *path;
char *new_state_str, *old_state_str;
char *tmp;
/* Do nothing if the control interface is not turned on */
if (wpa_s->global == NULL)
return;
iface = wpa_s->global->dbus;
if (iface == NULL)
return;
/* Only send signal if state really changed */
if (new_state == old_state)
return;
path = wpas_dbus_get_path(wpa_s);
if (path == NULL) {
perror("wpas_dbus_signal_state_changed[dbus]: "
"interface didn't have a dbus path");
wpa_printf(MSG_ERROR,
"wpas_dbus_signal_state_changed[dbus]: "
"interface didn't have a dbus path; can't send "
"signal.");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
"StateChanged");
if (_signal == NULL) {
perror("wpas_dbus_signal_state_changed[dbus]: "
"couldn't create dbus signal; likely out of memory");
wpa_printf(MSG_ERROR,
"wpas_dbus_signal_state_changed[dbus]: "
"couldn't create dbus signal; likely out of "
"memory.");
return;
}
new_state_str = os_strdup(wpa_supplicant_state_txt(new_state));
old_state_str = os_strdup(wpa_supplicant_state_txt(old_state));
if (new_state_str == NULL || old_state_str == NULL) {
perror("wpas_dbus_signal_state_changed[dbus]: "
"couldn't convert state strings");
wpa_printf(MSG_ERROR,
"wpas_dbus_signal_state_changed[dbus]: "
"couldn't convert state strings.");
goto out;
}
/* make state string lowercase to fit new DBus API convention */
tmp = new_state_str;
while (*tmp) {
*tmp = tolower(*tmp);
tmp++;
}
tmp = old_state_str;
while (*tmp) {
*tmp = tolower(*tmp);
tmp++;
}
if (!dbus_message_append_args(_signal,
DBUS_TYPE_STRING, &new_state_str,
DBUS_TYPE_STRING, &old_state_str,
DBUS_TYPE_INVALID)) {
perror("wpas_dbus_signal_state_changed[dbus]: "
"not enough memory to construct state change signal.");
wpa_printf(MSG_ERROR,
"wpas_dbus_signal_state_changed[dbus]: "
"not enough memory to construct state change "
"signal.");
goto out;
}
dbus_connection_send(iface->con, _signal, NULL);
out:
dbus_message_unref(_signal);
os_free(new_state_str);
os_free(old_state_str);
}
/**
* wpas_dbus_signal_network_enabled_changed - Signals Enabled property changes
* @wpa_s: %wpa_supplicant network interface data
* @ssid: configured network which Enabled property has changed
*
* Sends PropertyChanged signals containing new value of Enabled property
* for specified network
*/
static void wpas_dbus_signal_network_enabled_changed(
struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
{
struct network_handler_args args = {wpa_s, ssid};
char path[WPAS_DBUS_OBJECT_PATH_MAX];
os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
wpas_dbus_get_path(wpa_s), ssid->id);
wpa_dbus_signal_property_changed(wpa_s->global->dbus,
(WPADBusPropertyAccessor)
wpas_dbus_getter_enabled, &args,
path, WPAS_DBUS_NEW_IFACE_NETWORK,
"Enabled");
}
#ifdef CONFIG_WPS
/**
* wpas_dbus_signal_wps_event_success - Signals Success WPS event
* @wpa_s: %wpa_supplicant network interface data
*
* Sends Event dbus signal with name "success" and empty dict as arguments
*/
static void wpas_dbus_signal_wps_event_success(struct wpa_supplicant *wpa_s)
{
DBusMessage *_signal = NULL;
DBusMessageIter iter, dict_iter;
struct wpas_dbus_priv *iface;
char *key = "success";
const char *path;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (!path) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_success"
"[dbus]: interface has no dbus path set");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
"Event");
if (!_signal) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_success"
"[dbus]: out of memory when creating a signal");
return;
}
dbus_message_iter_init_append(_signal, &iter);
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
!wpa_dbus_dict_open_write(&iter, &dict_iter) ||
!wpa_dbus_dict_close_write(&iter, &dict_iter)) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_success"
"[dbus]: out of memory");
goto out;
}
dbus_connection_send(iface->con, _signal, NULL);
out:
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_wps_event_fail - Signals Fail WPS event
* @wpa_s: %wpa_supplicant network interface data
*
* Sends Event dbus signal with name "fail" and dictionary containing
* "msg field with fail message number (int32) as arguments
*/
static void wpas_dbus_signal_wps_event_fail(struct wpa_supplicant *wpa_s,
struct wps_event_fail *fail)
{
DBusMessage *_signal = NULL;
DBusMessageIter iter, dict_iter;
struct wpas_dbus_priv *iface;
char *key = "fail";
const char *path;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (!path) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_fail[dbus]: "
"interface has no dbus path set");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
"Event");
if (!_signal) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_fail[dbus]: "
"out of memory when creating a signal");
return;
}
dbus_message_iter_init_append(_signal, &iter);
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
!wpa_dbus_dict_open_write(&iter, &dict_iter) ||
!wpa_dbus_dict_append_int32(&dict_iter, "msg", fail->msg) ||
!wpa_dbus_dict_close_write(&iter, &dict_iter)) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_fail[dbus]: "
"out of memory");
goto out;
}
dbus_connection_send(iface->con, _signal, NULL);
out:
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_wps_event_m2d - Signals M2D WPS event
* @wpa_s: %wpa_supplicant network interface data
*
* Sends Event dbus signal with name "m2d" and dictionary containing
* fields of wps_event_m2d structure.
*/
static void wpas_dbus_signal_wps_event_m2d(struct wpa_supplicant *wpa_s,
struct wps_event_m2d *m2d)
{
DBusMessage *_signal = NULL;
DBusMessageIter iter, dict_iter;
struct wpas_dbus_priv *iface;
char *key = "m2d";
const char *path;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (!path) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_m2d[dbus]: "
"interface has no dbus path set");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
"Event");
if (!_signal) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_m2d[dbus]: "
"out of memory when creating a signal");
return;
}
dbus_message_iter_init_append(_signal, &iter);
if (!(dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) &&
wpa_dbus_dict_open_write(&iter, &dict_iter) &&
wpa_dbus_dict_append_uint16(&dict_iter, "config_methods",
m2d->config_methods) &&
wpa_dbus_dict_append_byte_array(&dict_iter, "manufacturer",
(const char *) m2d->manufacturer,
m2d->manufacturer_len) &&
wpa_dbus_dict_append_byte_array(&dict_iter, "model_name",
(const char *) m2d->model_name,
m2d->model_name_len) &&
wpa_dbus_dict_append_byte_array(&dict_iter, "model_number",
(const char *) m2d->model_number,
m2d->model_number_len) &&
wpa_dbus_dict_append_byte_array(&dict_iter, "serial_number",
(const char *)
m2d->serial_number,
m2d->serial_number_len) &&
wpa_dbus_dict_append_byte_array(&dict_iter, "dev_name",
(const char *) m2d->dev_name,
m2d->dev_name_len) &&
wpa_dbus_dict_append_byte_array(&dict_iter, "primary_dev_type",
(const char *)
m2d->primary_dev_type, 8) &&
wpa_dbus_dict_append_uint16(&dict_iter, "config_error",
m2d->config_error) &&
wpa_dbus_dict_append_uint16(&dict_iter, "dev_password_id",
m2d->dev_password_id) &&
wpa_dbus_dict_close_write(&iter, &dict_iter))) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_m2d[dbus]: "
"out of memory");
goto out;
}
dbus_connection_send(iface->con, _signal, NULL);
out:
dbus_message_unref(_signal);
}
/**
* wpas_dbus_signal_wps_cred - Signals new credentials
* @wpa_s: %wpa_supplicant network interface data
*
* Sends signal with credentials in directory argument
*/
static void wpas_dbus_signal_wps_cred(struct wpa_supplicant *wpa_s,
const struct wps_credential *cred)
{
DBusMessage *_signal = NULL;
DBusMessageIter iter, dict_iter;
struct wpas_dbus_priv *iface;
const char *path;
char *auth_type[6]; /* we have six possible authorization types */
int at_num = 0;
char *encr_type[4]; /* we have four possible encryption types */
int et_num = 0;
iface = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (iface == NULL)
return;
path = wpas_dbus_get_path(wpa_s);
if (!path) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_cred[dbus]: "
"interface has no dbus path set");
return;
}
_signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
"Credentials");
if (!_signal) {
wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_cred[dbus]: "
"out of memory when creating a signal");
return;
}
dbus_message_iter_init_append(_signal, &iter);
if (!wpa_dbus_dict_open_write(&iter, &dict_iter)) {
perror("wpas_dbus_signal_wps_cred[dbus]: out of memory "
"when opening a dictionary");
goto nomem;
}
if (cred->auth_type & WPS_AUTH_OPEN)
auth_type[at_num++] = "open";
if (cred->auth_type & WPS_AUTH_WPAPSK)
auth_type[at_num++] = "wpa-psk";
if (cred->auth_type & WPS_AUTH_SHARED)
auth_type[at_num++] = "shared";
if (cred->auth_type & WPS_AUTH_WPA)
auth_type[at_num++] = "wpa-eap";
if (cred->auth_type & WPS_AUTH_WPA2)
auth_type[at_num++] = "wpa2-eap";
if (cred->auth_type & WPS_AUTH_WPA2PSK)
auth_type[at_num++] =
"wpa2-psk";
if (cred->encr_type & WPS_ENCR_NONE)
encr_type[et_num++] = "none";
if (cred->encr_type & WPS_ENCR_WEP)
encr_type[et_num++] = "wep";
if (cred->encr_type & WPS_ENCR_TKIP)
encr_type[et_num++] = "tkip";
if (cred->encr_type & WPS_ENCR_AES)
encr_type[et_num++] = "aes";
if (wpa_s->current_ssid) {
if (!wpa_dbus_dict_append_byte_array(
&dict_iter, "BSSID",
(const char *) wpa_s->current_ssid->bssid,
ETH_ALEN)) {
perror("wpas_dbus_signal_wps_cred[dbus]: out of "
"memory when appending bssid to dictionary");
goto nomem;
}
}
if (!(wpa_dbus_dict_append_byte_array(&dict_iter, "SSID",
(const char *) cred->ssid,
cred->ssid_len) &&
wpa_dbus_dict_append_string_array(&dict_iter, "AuthType",
(const char **) auth_type,
at_num) &&
wpa_dbus_dict_append_string_array(&dict_iter, "EncrType",
(const char **) encr_type,
et_num) &&
wpa_dbus_dict_append_byte_array(&dict_iter, "Key",
(const char *) cred->key,
cred->key_len) &&
wpa_dbus_dict_append_uint32(&dict_iter, "KeyIndex",
cred->key_idx))) {
perror("wpas_dbus_signal_wps_cred[dbus]: out of memory "
"when appending to dictionary");
goto nomem;
}
if (!wpa_dbus_dict_close_write(&iter, &dict_iter)) {
perror("wpas_dbus_signal_wps_cred[dbus]: out of memory "
"when closing a dictionary");
goto nomem;
}
dbus_connection_send(iface->con, _signal, NULL);
nomem:
dbus_message_unref(_signal);
}
#endif /* CONFIG_WPS */
/**
* wpas_dbus_signal_prop_changed - Signals change of property
* @wpa_s: %wpa_supplicant network interface data
* @property: indicates which property has changed
*
* Sends ProertyChanged signals with path, interface and arguments
* depending on which property has changed.
*/
static void wpas_dbus_signal_prop_changed(struct wpa_supplicant *wpa_s,
enum wpas_dbus_prop property)
{
WPADBusPropertyAccessor getter;
char *iface;
char *prop;
void *arg;
switch (property) {
case WPAS_DBUS_PROP_AP_SCAN:
getter = (WPADBusPropertyAccessor) wpas_dbus_getter_ap_scan;
arg = wpa_s;
iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
prop = "ApScan";
break;
case WPAS_DBUS_PROP_SCANNING:
getter = (WPADBusPropertyAccessor) wpas_dbus_getter_scanning;
arg = wpa_s;
iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
prop = "Scanning";
break;
case WPAS_DBUS_PROP_CURRENT_BSS:
getter = (WPADBusPropertyAccessor)
wpas_dbus_getter_current_bss;
arg = wpa_s;
iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
prop = "CurrentBSS";
break;
case WPAS_DBUS_PROP_CURRENT_NETWORK:
getter = (WPADBusPropertyAccessor)
wpas_dbus_getter_current_network;
arg = wpa_s;
iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
prop = "CurrentNetwork";
break;
default:
wpa_printf(MSG_ERROR, "wpas_dbus_signal_prop_changed[dbus]: "
"Unknown Property enum value %d", property);
return;
}
wpa_dbus_signal_property_changed(wpa_s->global->dbus,
getter, arg,
wpas_dbus_get_path(wpa_s), iface,
prop);
}
/**
* wpas_dbus_signal_debug_level_changed - Signals change of debug param
* @global: wpa_global structure
*
* Sends ProertyChanged signals informing that debug level has changed.
*/
static void wpas_dbus_signal_debug_level_changed(struct wpa_global *global)
{
wpa_dbus_signal_property_changed(global->dbus,
(WPADBusPropertyAccessor)
wpas_dbus_getter_debug_level,
global, WPAS_DBUS_NEW_PATH,
WPAS_DBUS_NEW_INTERFACE,
"DebugLevel");
}
/**
* wpas_dbus_signal_debug_timestamp_changed - Signals change of debug param
* @global: wpa_global structure
*
* Sends ProertyChanged signals informing that debug timestamp has changed.
*/
static void wpas_dbus_signal_debug_timestamp_changed(struct wpa_global *global)
{
wpa_dbus_signal_property_changed(global->dbus,
(WPADBusPropertyAccessor)
wpas_dbus_getter_debug_timestamp,
global, WPAS_DBUS_NEW_PATH,
WPAS_DBUS_NEW_INTERFACE,
"DebugTimestamp");
}
/**
* wpas_dbus_signal_debug_show_keys_changed - Signals change of debug param
* @global: wpa_global structure
*
* Sends ProertyChanged signals informing that debug show_keys has changed.
*/
static void wpas_dbus_signal_debug_show_keys_changed(struct wpa_global *global)
{
wpa_dbus_signal_property_changed(global->dbus,
(WPADBusPropertyAccessor)
wpas_dbus_getter_debug_show_keys,
global, WPAS_DBUS_NEW_PATH,
WPAS_DBUS_NEW_INTERFACE,
"DebugShowKeys");
}
struct wpas_dbus_method {
const char *name;
const char *iface;
WPADBusMethodHandler handler;
struct wpa_dbus_argument args[3];
};
struct wpas_dbus_property {
const char *name;
const char *iface;
const char *type;
WPADBusPropertyAccessor getter;
WPADBusPropertyAccessor setter;
enum dbus_prop_access _access;
};
struct wpas_dbus_signal {
const char *name;
const char *iface;
struct wpa_dbus_argument args[3];
};
static void wpas_dbus_register(struct wpa_dbus_object_desc *obj_desc,
void *priv,
WPADBusArgumentFreeFunction priv_free,
const struct wpas_dbus_method *methods,
const struct wpas_dbus_property *properties,
const struct wpas_dbus_signal *signals)
{
int i;
obj_desc->user_data = priv;
obj_desc->user_data_free_func = priv_free;
for (i = 0; methods && methods[i].name; i++) {
wpa_dbus_method_register(obj_desc, methods[i].iface,
methods[i].name, methods[i].handler,
methods[i].args);
}
for (i = 0; properties && properties[i].name; i++) {
wpa_dbus_property_register(obj_desc, properties[i].iface,
properties[i].name,
properties[i].type,
properties[i].getter,
properties[i].setter,
properties[i]._access);
}
for (i = 0; signals && signals[i].name; i++) {
wpa_dbus_signal_register(obj_desc, signals[i].iface,
signals[i].name, signals[i].args);
}
}
static const struct wpas_dbus_method wpas_dbus_global_methods[] = {
{ "CreateInterface", WPAS_DBUS_NEW_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_create_interface,
{
{ "args", "a{sv}", ARG_IN },
{ "path", "o", ARG_OUT },
END_ARGS
}
},
{ "RemoveInterface", WPAS_DBUS_NEW_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_remove_interface,
{
{ "path", "o", ARG_IN },
END_ARGS
}
},
{ "GetInterface", WPAS_DBUS_NEW_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_get_interface,
{
{ "ifname", "s", ARG_IN },
{ "path", "o", ARG_OUT },
END_ARGS
}
},
{ NULL, NULL, NULL, { END_ARGS } }
};
static const struct wpas_dbus_property wpas_dbus_global_properties[] = {
{ "DebugLevel", WPAS_DBUS_NEW_INTERFACE, "y",
(WPADBusPropertyAccessor) wpas_dbus_getter_debug_level,
(WPADBusPropertyAccessor) wpas_dbus_setter_debug_level,
RW
},
{ "DebugTimestamp", WPAS_DBUS_NEW_INTERFACE, "b",
(WPADBusPropertyAccessor) wpas_dbus_getter_debug_timestamp,
(WPADBusPropertyAccessor) wpas_dbus_setter_debug_timestamp,
RW
},
{ "DebugShowKeys", WPAS_DBUS_NEW_INTERFACE, "b",
(WPADBusPropertyAccessor) wpas_dbus_getter_debug_show_keys,
(WPADBusPropertyAccessor) wpas_dbus_setter_debug_show_keys,
RW
},
{ "Interfaces", WPAS_DBUS_NEW_INTERFACE, "ao",
(WPADBusPropertyAccessor) &wpas_dbus_getter_interfaces,
NULL,
R
},
{ "EapMethods", WPAS_DBUS_NEW_INTERFACE, "as",
(WPADBusPropertyAccessor) wpas_dbus_getter_eap_methods,
NULL,
R
},
{ NULL, NULL, NULL, NULL, NULL, 0 }
};
static const struct wpas_dbus_signal wpas_dbus_global_signals[] = {
{ "InterfaceAdded", WPAS_DBUS_NEW_INTERFACE,
{
{ "path", "o", ARG_OUT },
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ "InterfaceRemoved", WPAS_DBUS_NEW_INTERFACE,
{
{ "path", "o", ARG_OUT },
END_ARGS
}
},
{ "PropertiesChanged", WPAS_DBUS_NEW_INTERFACE,
{
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ NULL, NULL, { END_ARGS } }
};
/**
* wpas_dbus_ctrl_iface_init - Initialize dbus control interface
* @global: Pointer to global data from wpa_supplicant_init()
* Returns: 0 on success or -1 on failure
*
* Initialize the dbus control interface for wpa_supplicantand and start
* receiving commands from external programs over the bus.
*/
int wpas_dbus_ctrl_iface_init(struct wpas_dbus_priv *priv)
{
struct wpa_dbus_object_desc *obj_desc;
int ret;
obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
if (!obj_desc) {
wpa_printf(MSG_ERROR, "Not enough memory "
"to create object description");
return -1;
}
wpas_dbus_register(obj_desc, priv->global, NULL,
wpas_dbus_global_methods,
wpas_dbus_global_properties,
wpas_dbus_global_signals);
wpa_printf(MSG_DEBUG, "dbus: Register D-Bus object '%s'",
WPAS_DBUS_NEW_PATH);
ret = wpa_dbus_ctrl_iface_init(priv, WPAS_DBUS_NEW_PATH,
WPAS_DBUS_NEW_SERVICE,
obj_desc);
if (ret < 0)
free_dbus_object_desc(obj_desc);
else
priv->dbus_new_initialized = 1;
return ret;
}
/**
* wpas_dbus_ctrl_iface_deinit - Deinitialize dbus ctrl interface for
* wpa_supplicant
* @iface: Pointer to dbus private data from wpas_dbus_init()
*
* Deinitialize the dbus control interface that was initialized with
* wpas_dbus_ctrl_iface_init().
*/
void wpas_dbus_ctrl_iface_deinit(struct wpas_dbus_priv *iface)
{
if (!iface->dbus_new_initialized)
return;
wpa_printf(MSG_DEBUG, "dbus: Unregister D-Bus object '%s'",
WPAS_DBUS_NEW_PATH);
dbus_connection_unregister_object_path(iface->con,
WPAS_DBUS_NEW_PATH);
}
static void wpa_dbus_free(void *ptr)
{
os_free(ptr);
}
static const struct wpas_dbus_property wpas_dbus_network_properties[] = {
{ "Properties", WPAS_DBUS_NEW_IFACE_NETWORK, "a{sv}",
(WPADBusPropertyAccessor) wpas_dbus_getter_network_properties,
(WPADBusPropertyAccessor) wpas_dbus_setter_network_properties,
RW
},
{ "Enabled", WPAS_DBUS_NEW_IFACE_NETWORK, "b",
(WPADBusPropertyAccessor) wpas_dbus_getter_enabled,
(WPADBusPropertyAccessor) wpas_dbus_setter_enabled,
RW
},
{ NULL, NULL, NULL, NULL, NULL, 0 }
};
static const struct wpas_dbus_signal wpas_dbus_network_signals[] = {
{ "PropertiesChanged", WPAS_DBUS_NEW_IFACE_NETWORK,
{
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ NULL, NULL, { END_ARGS } }
};
/**
* wpas_dbus_register_network - Register a configured network with dbus
* @wpa_s: wpa_supplicant interface structure
* @ssid: network configuration data
* Returns: 0 on success, -1 on failure
*
* Registers network representing object with dbus
*/
static int wpas_dbus_register_network(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
{
struct wpas_dbus_priv *ctrl_iface;
struct wpa_dbus_object_desc *obj_desc;
struct network_handler_args *arg = NULL;
char *net_obj_path;
/* Do nothing if the control interface is not turned on */
if (wpa_s == NULL || wpa_s->global == NULL)
return 0;
ctrl_iface = wpa_s->global->dbus;
if (ctrl_iface == NULL)
return 0;
net_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (net_obj_path == NULL)
return -1;
os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
wpas_dbus_get_path(wpa_s), ssid->id);
wpa_printf(MSG_DEBUG, "dbus: Register network object '%s'",
net_obj_path);
obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
if (!obj_desc) {
wpa_printf(MSG_ERROR, "Not enough memory "
"to create object description");
goto err;
}
/* allocate memory for handlers arguments */
arg = os_zalloc(sizeof(struct network_handler_args));
if (!arg) {
wpa_printf(MSG_ERROR, "Not enough memory "
"to create arguments for method");
goto err;
}
arg->wpa_s = wpa_s;
arg->ssid = ssid;
wpas_dbus_register(obj_desc, arg, wpa_dbus_free, NULL,
wpas_dbus_network_properties,
wpas_dbus_network_signals);
if (wpa_dbus_register_object_per_iface(ctrl_iface, net_obj_path,
wpa_s->ifname, obj_desc))
goto err;
wpas_dbus_signal_network_added(wpa_s, ssid->id);
os_free(net_obj_path);
return 0;
err:
os_free(net_obj_path);
os_free(obj_desc);
os_free(arg);
return -1;
}
/**
* wpas_dbus_unregister_network - Unregister a configured network from dbus
* @wpa_s: wpa_supplicant interface structure
* @nid: network id
* Returns: 0 on success, -1 on failure
*
* Unregisters network representing object from dbus
*/
static int wpas_dbus_unregister_network(struct wpa_supplicant *wpa_s, int nid)
{
struct wpas_dbus_priv *ctrl_iface;
char *net_obj_path;
int ret;
/* Do nothing if the control interface is not turned on */
if (wpa_s == NULL || wpa_s->global == NULL)
return 0;
ctrl_iface = wpa_s->global->dbus;
if (ctrl_iface == NULL)
return 0;
net_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (net_obj_path == NULL)
return -1;
os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
wpas_dbus_get_path(wpa_s), nid);
wpa_printf(MSG_DEBUG, "dbus: Unregister network object '%s'",
net_obj_path);
ret = wpa_dbus_unregister_object_per_iface(ctrl_iface, net_obj_path);
if (!ret)
wpas_dbus_signal_network_removed(wpa_s, nid);
os_free(net_obj_path);
return ret;
}
static const struct wpas_dbus_property wpas_dbus_bss_properties[] = {
{ "SSID", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_ssid,
NULL,
R
},
{ "BSSID", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_bssid,
NULL,
R
},
{ "Privacy", WPAS_DBUS_NEW_IFACE_BSSID, "b",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_privacy,
NULL,
R
},
{ "Mode", WPAS_DBUS_NEW_IFACE_BSSID, "s",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_mode,
NULL,
R
},
{ "Signal", WPAS_DBUS_NEW_IFACE_BSSID, "n",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_signal,
NULL,
R
},
{ "Frequency", WPAS_DBUS_NEW_IFACE_BSSID, "q",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_frequency,
NULL,
R
},
{ "MaxRate", WPAS_DBUS_NEW_IFACE_BSSID, "q",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_max_rate,
NULL,
R
},
{ "WPAIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_wpaie,
NULL,
R
},
{ "RSNIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_rsnie,
NULL,
R
},
{ "WPSIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
(WPADBusPropertyAccessor) wpas_dbus_getter_bss_wpsie,
NULL,
R
},
{ NULL, NULL, NULL, NULL, NULL, 0 }
};
static const struct wpas_dbus_signal wpas_dbus_bss_signals[] = {
{ "PropertiesChanged", WPAS_DBUS_NEW_IFACE_BSSID,
{
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ NULL, NULL, { END_ARGS } }
};
/**
* wpas_dbus_unregister_bss - Unregister a scanned BSS from dbus
* @wpa_s: wpa_supplicant interface structure
* @bssid: scanned network bssid
* @id: unique BSS identifier
* Returns: 0 on success, -1 on failure
*
* Unregisters BSS representing object from dbus
*/
static int wpas_dbus_unregister_bss(struct wpa_supplicant *wpa_s,
u8 bssid[ETH_ALEN], unsigned int id)
{
struct wpas_dbus_priv *ctrl_iface;
char *bss_obj_path;
/* Do nothing if the control interface is not turned on */
if (wpa_s == NULL || wpa_s->global == NULL)
return 0;
ctrl_iface = wpa_s->global->dbus;
if (ctrl_iface == NULL)
return 0;
bss_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (bss_obj_path == NULL)
return -1;
os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
wpas_dbus_get_path(wpa_s), id);
wpa_printf(MSG_DEBUG, "dbus: Unregister BSS object '%s'",
bss_obj_path);
if (wpa_dbus_unregister_object_per_iface(ctrl_iface, bss_obj_path)) {
wpa_printf(MSG_ERROR,
"Cannot unregister BSSID dbus object %s.",
bss_obj_path);
os_free(bss_obj_path);
return -1;
}
wpas_dbus_signal_bss_removed(wpa_s, bss_obj_path);
os_free(bss_obj_path);
return 0;
}
/**
* wpas_dbus_register_bss - Register a scanned BSS with dbus
* @wpa_s: wpa_supplicant interface structure
* @bssid: scanned network bssid
* @id: unique BSS identifier
* Returns: 0 on success, -1 on failure
*
* Registers BSS representing object with dbus
*/
static int wpas_dbus_register_bss(struct wpa_supplicant *wpa_s,
u8 bssid[ETH_ALEN], unsigned int id)
{
struct wpas_dbus_priv *ctrl_iface;
struct wpa_dbus_object_desc *obj_desc;
char *bss_obj_path;
struct bss_handler_args *arg = NULL;
/* Do nothing if the control interface is not turned on */
if (wpa_s == NULL || wpa_s->global == NULL)
return 0;
ctrl_iface = wpa_s->global->dbus;
if (ctrl_iface == NULL)
return 0;
bss_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (bss_obj_path == NULL)
return -1;
os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
wpas_dbus_get_path(wpa_s), id);
obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
if (!obj_desc) {
wpa_printf(MSG_ERROR, "Not enough memory "
"to create object description");
goto err;
}
arg = os_zalloc(sizeof(struct bss_handler_args));
if (!arg) {
wpa_printf(MSG_ERROR, "Not enough memory "
"to create arguments for handler");
goto err;
}
arg->wpa_s = wpa_s;
arg->id = id;
wpas_dbus_register(obj_desc, arg, wpa_dbus_free, NULL,
wpas_dbus_bss_properties,
wpas_dbus_bss_signals);
wpa_printf(MSG_DEBUG, "dbus: Register BSS object '%s'",
bss_obj_path);
if (wpa_dbus_register_object_per_iface(ctrl_iface, bss_obj_path,
wpa_s->ifname, obj_desc)) {
wpa_printf(MSG_ERROR,
"Cannot register BSSID dbus object %s.",
bss_obj_path);
goto err;
}
wpas_dbus_signal_bss_added(wpa_s, bss_obj_path);
os_free(bss_obj_path);
return 0;
err:
os_free(bss_obj_path);
os_free(obj_desc);
os_free(arg);
return -1;
}
static const struct wpas_dbus_method wpas_dbus_interface_methods[] = {
{ "Scan", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_scan,
{
{ "args", "a{sv}", ARG_IN },
END_ARGS
}
},
{ "Disconnect", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_disconnect,
{
END_ARGS
}
},
{ "AddNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_add_network,
{
{ "args", "a{sv}", ARG_IN },
{ "path", "o", ARG_OUT },
END_ARGS
}
},
{ "RemoveNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_remove_network,
{
{ "path", "o", ARG_IN },
END_ARGS
}
},
{ "SelectNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_select_network,
{
{ "path", "o", ARG_IN },
END_ARGS
}
},
{ "AddBlob", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_add_blob,
{
{ "name", "s", ARG_IN },
{ "data", "ay", ARG_IN },
END_ARGS
}
},
{ "GetBlob", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_get_blob,
{
{ "name", "s", ARG_IN },
{ "data", "ay", ARG_OUT },
END_ARGS
}
},
{ "RemoveBlob", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) &wpas_dbus_handler_remove_blob,
{
{ "name", "s", ARG_IN },
END_ARGS
}
},
#ifdef CONFIG_WPS
{ "Start", WPAS_DBUS_NEW_IFACE_WPS,
(WPADBusMethodHandler) &wpas_dbus_handler_wps_start,
{
{ "args", "a{sv}", ARG_IN },
{ "output", "a{sv}", ARG_OUT },
END_ARGS
}
},
#endif /* CONFIG_WPS */
{ NULL, NULL, NULL, { END_ARGS } }
};
static const struct wpas_dbus_property wpas_dbus_interface_properties[] = {
{ "Capabilities", WPAS_DBUS_NEW_IFACE_INTERFACE, "a{sv}",
(WPADBusPropertyAccessor) wpas_dbus_getter_capabilities,
NULL, R
},
{ "State", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
(WPADBusPropertyAccessor) wpas_dbus_getter_state,
NULL, R
},
{ "Scanning", WPAS_DBUS_NEW_IFACE_INTERFACE, "b",
(WPADBusPropertyAccessor) wpas_dbus_getter_scanning,
NULL, R
},
{ "ApScan", WPAS_DBUS_NEW_IFACE_INTERFACE, "u",
(WPADBusPropertyAccessor) wpas_dbus_getter_ap_scan,
(WPADBusPropertyAccessor) wpas_dbus_setter_ap_scan,
RW
},
{ "Ifname", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
(WPADBusPropertyAccessor) wpas_dbus_getter_ifname,
NULL, R
},
{ "Driver", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
(WPADBusPropertyAccessor) wpas_dbus_getter_driver,
NULL, R
},
{ "BridgeIfname", WPAS_DBUS_NEW_IFACE_INTERFACE, "s",
(WPADBusPropertyAccessor) wpas_dbus_getter_bridge_ifname,
NULL, R
},
{ "CurrentBSS", WPAS_DBUS_NEW_IFACE_INTERFACE, "o",
(WPADBusPropertyAccessor) wpas_dbus_getter_current_bss,
NULL, R
},
{ "CurrentNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE, "o",
(WPADBusPropertyAccessor) wpas_dbus_getter_current_network,
NULL, R
},
{ "Blobs", WPAS_DBUS_NEW_IFACE_INTERFACE, "a{say}",
(WPADBusPropertyAccessor) wpas_dbus_getter_blobs,
NULL, R
},
{ "BSSs", WPAS_DBUS_NEW_IFACE_INTERFACE, "ao",
(WPADBusPropertyAccessor) wpas_dbus_getter_bsss,
NULL, R
},
{ "Networks", WPAS_DBUS_NEW_IFACE_INTERFACE, "ao",
(WPADBusPropertyAccessor) wpas_dbus_getter_networks,
NULL, R
},
#ifdef CONFIG_WPS
{ "ProcessCredentials", WPAS_DBUS_NEW_IFACE_WPS, "b",
(WPADBusPropertyAccessor) wpas_dbus_getter_process_credentials,
(WPADBusPropertyAccessor) wpas_dbus_setter_process_credentials,
RW
},
#endif /* CONFIG_WPS */
{ NULL, NULL, NULL, NULL, NULL, 0 }
};
static const struct wpas_dbus_signal wpas_dbus_interface_signals[] = {
{ "ScanDone", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "success", "b", ARG_OUT },
END_ARGS
}
},
{ "StateChanged", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "newState", "s", ARG_OUT },
{ "oldState", "s", ARG_OUT },
END_ARGS
}
},
{ "BSSAdded", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "path", "o", ARG_OUT },
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ "BSSRemoved", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "path", "o", ARG_OUT },
END_ARGS
}
},
{ "BlobAdded", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "name", "s", ARG_OUT },
END_ARGS
}
},
{ "BlobRemoved", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "name", "s", ARG_OUT },
END_ARGS
}
},
{ "NetworkAdded", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "path", "o", ARG_OUT },
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ "NetworkRemoved", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "path", "o", ARG_OUT },
END_ARGS
}
},
{ "NetworkSelected", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "path", "o", ARG_OUT },
END_ARGS
}
},
{ "PropertiesChanged", WPAS_DBUS_NEW_IFACE_INTERFACE,
{
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
#ifdef CONFIG_WPS
{ "Event", WPAS_DBUS_NEW_IFACE_WPS,
{
{ "name", "s", ARG_OUT },
{ "args", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ "Credentials", WPAS_DBUS_NEW_IFACE_WPS,
{
{ "credentials", "a{sv}", ARG_OUT },
END_ARGS
}
},
{ "PropertiesChanged", WPAS_DBUS_NEW_IFACE_WPS,
{
{ "properties", "a{sv}", ARG_OUT },
END_ARGS
}
},
#endif /* CONFIG_WPS */
{ NULL, NULL, { END_ARGS } }
};
static int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
{
struct wpa_dbus_object_desc *obj_desc = NULL;
char *path;
struct wpas_dbus_priv *ctrl_iface = wpa_s->global->dbus;
int next;
/* Do nothing if the control interface is not turned on */
if (ctrl_iface == NULL)
return 0;
/* Create and set the interface's object path */
path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (path == NULL)
return -1;
next = ctrl_iface->next_objid++;
os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
WPAS_DBUS_NEW_PATH_INTERFACES "/%u",
next);
if (wpas_dbus_set_path(wpa_s, path)) {
wpa_printf(MSG_DEBUG,
"Failed to set dbus path for interface %s",
wpa_s->ifname);
goto err;
}
obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
if (!obj_desc) {
wpa_printf(MSG_ERROR, "Not enough memory "
"to create object description");
goto err;
}
wpas_dbus_register(obj_desc, wpa_s, NULL, wpas_dbus_interface_methods,
wpas_dbus_interface_properties,
wpas_dbus_interface_signals);
wpa_printf(MSG_DEBUG, "dbus: Register interface object '%s'", path);
if (wpa_dbus_register_object_per_iface(ctrl_iface, path, wpa_s->ifname,
obj_desc))
goto err;
wpas_dbus_signal_interface_added(wpa_s);
os_free(path);
return 0;
err:
os_free(obj_desc);
os_free(path);
return -1;
}
static int wpas_dbus_unregister_interface(struct wpa_supplicant *wpa_s)
{
struct wpas_dbus_priv *ctrl_iface;
/* Do nothing if the control interface is not turned on */
if (wpa_s == NULL || wpa_s->global == NULL)
return 0;
ctrl_iface = wpa_s->global->dbus;
if (ctrl_iface == NULL)
return 0;
wpa_printf(MSG_DEBUG, "dbus: Unregister interface object '%s'",
wpas_dbus_get_path(wpa_s));
if (wpa_dbus_unregister_object_per_iface(ctrl_iface,
wpas_dbus_get_path(wpa_s)))
return -1;
wpas_dbus_signal_interface_removed(wpa_s);
os_free(wpa_s->dbus_new_path);
wpa_s->dbus_new_path = NULL;
return 0;
}
static struct wpas_dbus_callbacks callbacks =
{
.signal_interface_added = wpas_dbus_signal_interface_added,
.signal_interface_removed = wpas_dbus_signal_interface_removed,
.register_interface = wpas_dbus_register_interface,
.unregister_interface = wpas_dbus_unregister_interface,
.signal_scan_done = wpas_dbus_signal_scan_done,
.signal_blob_added = wpas_dbus_signal_blob_added,
.signal_blob_removed = wpas_dbus_signal_blob_removed,
.signal_network_selected = wpas_dbus_signal_network_selected,
.signal_state_changed = wpas_dbus_signal_state_changed,
.register_network = wpas_dbus_register_network,
.unregister_network = wpas_dbus_unregister_network,
.signal_network_enabled_changed =
wpas_dbus_signal_network_enabled_changed,
.register_bss = wpas_dbus_register_bss,
.unregister_bss = wpas_dbus_unregister_bss,
.signal_prop_changed = wpas_dbus_signal_prop_changed,
.signal_debug_level_changed = wpas_dbus_signal_debug_level_changed,
.signal_debug_timestamp_changed =
wpas_dbus_signal_debug_timestamp_changed,
.signal_debug_show_keys_changed =
wpas_dbus_signal_debug_show_keys_changed,
#ifdef CONFIG_WPS
.signal_wps_event_success = wpas_dbus_signal_wps_event_success,
.signal_wps_event_fail = wpas_dbus_signal_wps_event_fail,
.signal_wps_event_m2d = wpas_dbus_signal_wps_event_m2d,
.signal_wps_credentials = wpas_dbus_signal_wps_cred,
#endif /* CONFIG_WPS */
};
struct wpas_dbus_callbacks * wpas_dbus_get_callbacks(void)
{
return &callbacks;
}
/**
* wpas_dbus_get_path - Get an interface's dbus path
* @wpa_s: %wpa_supplicant interface structure
* Returns: Interface's dbus object path, or %NULL on error
*/
const char * wpas_dbus_get_path(struct wpa_supplicant *wpa_s)
{
return wpa_s->dbus_new_path;
}
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