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hostapd/wpa_supplicant/dbus/dbus_new_handlers.c
Jouni Malinen 77fcbf7ff1 D-Bus: Use a helper function to get possibly NULL strings 
This type of check is used in quite a few getter functions, so add a
helper function to take care of it.

Signed-off-by: Jouni Malinen <j@w1.fi>
2016-12-23 21:28:43 +02:00

4539 lines
125 KiB
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) 2009-2010, Witold Sowa <witold.sowa@gmail.com>
* Copyright (c) 2009-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "common/ieee802_11_defs.h"
#include "eap_peer/eap_methods.h"
#include "eapol_supp/eapol_supp_sm.h"
#include "rsn_supp/wpa.h"
#include "../config.h"
#include "../wpa_supplicant_i.h"
#include "../driver_i.h"
#include "../notify.h"
#include "../bss.h"
#include "../scan.h"
#include "../autoscan.h"
#include "dbus_new_helpers.h"
#include "dbus_new.h"
#include "dbus_new_handlers.h"
#include "dbus_dict_helpers.h"
#include "dbus_common_i.h"
#include "drivers/driver.h"
static const char * const debug_strings[] = {
"excessive", "msgdump", "debug", "info", "warning", "error", NULL
};
/**
* wpas_dbus_error_unknown_error - Return a new UnknownError error message
* @message: Pointer to incoming dbus message this error refers to
* @arg: Optional string appended to error message
* Returns: a dbus error message
*
* Convenience function to create and return an UnknownError
*/
DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
const char *arg)
{
return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
arg);
}
/**
* wpas_dbus_error_iface_unknown - Return a new invalid interface error message
* @message: Pointer to incoming dbus message this error refers to
* Returns: A dbus error message
*
* Convenience function to create and return an invalid interface error
*/
static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
{
return dbus_message_new_error(
message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
"wpa_supplicant knows nothing about this interface.");
}
/**
* wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
* @message: Pointer to incoming dbus message this error refers to
* Returns: a dbus error message
*
* Convenience function to create and return an invalid network error
*/
static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
{
return dbus_message_new_error(
message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
"There is no such a network in this interface.");
}
/**
* wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
* @message: Pointer to incoming dbus message this error refers to
* Returns: a dbus error message
*
* Convenience function to create and return an invalid options error
*/
DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
const char *arg)
{
DBusMessage *reply;
reply = dbus_message_new_error(
message, WPAS_DBUS_ERROR_INVALID_ARGS,
"Did not receive correct message arguments.");
if (arg != NULL)
dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
DBUS_TYPE_INVALID);
return reply;
}
/**
* wpas_dbus_error_scan_error - Return a new ScanError error message
* @message: Pointer to incoming dbus message this error refers to
* @error: Optional string to be used as the error message
* Returns: a dbus error message
*
* Convenience function to create and return a scan error
*/
static DBusMessage * wpas_dbus_error_scan_error(DBusMessage *message,
const char *error)
{
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_IFACE_SCAN_ERROR,
error);
}
DBusMessage * wpas_dbus_error_no_memory(DBusMessage *message)
{
wpa_printf(MSG_DEBUG, "dbus: Failed to allocate memory");
return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY, NULL);
}
static const char * const dont_quote[] = {
"key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
"opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
"bssid", "scan_freq", "freq_list", NULL
};
static dbus_bool_t should_quote_opt(const char *key)
{
int i = 0;
while (dont_quote[i] != NULL) {
if (os_strcmp(key, dont_quote[i]) == 0)
return FALSE;
i++;
}
return TRUE;
}
/**
* get_iface_by_dbus_path - Get a new network interface
* @global: Pointer to global data from wpa_supplicant_init()
* @path: Pointer to a dbus object path representing an interface
* Returns: Pointer to the interface or %NULL if not found
*/
static struct wpa_supplicant * get_iface_by_dbus_path(
struct wpa_global *global, const char *path)
{
struct wpa_supplicant *wpa_s;
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
if (wpa_s->dbus_new_path &&
os_strcmp(wpa_s->dbus_new_path, path) == 0)
return wpa_s;
}
return NULL;
}
/**
* set_network_properties - Set properties of a configured network
* @wpa_s: wpa_supplicant structure for a network interface
* @ssid: wpa_ssid structure for a configured network
* @iter: DBus message iterator containing dictionary of network
* properties to set.
* @error: On failure, an error describing the failure
* Returns: TRUE if the request succeeds, FALSE if it failed
*
* Sets network configuration with parameters given id DBus dictionary
*/
dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
DBusMessageIter *iter,
DBusError *error)
{
struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
DBusMessageIter iter_dict;
char *value = NULL;
if (!wpa_dbus_dict_open_read(iter, &iter_dict, error))
return FALSE;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
size_t size = 50;
int ret;
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
value = NULL;
if (entry.type == DBUS_TYPE_ARRAY &&
entry.array_type == DBUS_TYPE_BYTE) {
if (entry.array_len <= 0)
goto error;
size = entry.array_len * 2 + 1;
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = wpa_snprintf_hex(value, size,
(u8 *) entry.bytearray_value,
entry.array_len);
if (ret <= 0)
goto error;
} else if (entry.type == DBUS_TYPE_STRING) {
if (should_quote_opt(entry.key)) {
size = os_strlen(entry.str_value);
if (size == 0)
goto error;
size += 3;
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "\"%s\"",
entry.str_value);
if (os_snprintf_error(size, ret))
goto error;
} else {
value = os_strdup(entry.str_value);
if (value == NULL)
goto error;
}
} else if (entry.type == DBUS_TYPE_UINT32) {
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "%u",
entry.uint32_value);
if (os_snprintf_error(size, ret))
goto error;
} else if (entry.type == DBUS_TYPE_INT32) {
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "%d",
entry.int32_value);
if (os_snprintf_error(size, ret))
goto error;
} else
goto error;
if (wpa_config_set(ssid, entry.key, value, 0) < 0)
goto error;
if (os_strcmp(entry.key, "bssid") != 0 &&
os_strcmp(entry.key, "priority") != 0)
wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
if (wpa_s->current_ssid == ssid ||
wpa_s->current_ssid == NULL) {
/*
* Invalidate the EAP session cache if anything in the
* current or previously used configuration changes.
*/
eapol_sm_invalidate_cached_session(wpa_s->eapol);
}
if ((os_strcmp(entry.key, "psk") == 0 &&
value[0] == '"' && ssid->ssid_len) ||
(os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
wpa_config_update_psk(ssid);
else if (os_strcmp(entry.key, "priority") == 0)
wpa_config_update_prio_list(wpa_s->conf);
os_free(value);
value = NULL;
wpa_dbus_dict_entry_clear(&entry);
}
return TRUE;
error:
os_free(value);
wpa_dbus_dict_entry_clear(&entry);
dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
"invalid message format");
return FALSE;
}
/**
* wpas_dbus_simple_property_getter - Get basic type property
* @iter: Message iter to use when appending arguments
* @type: DBus type of property (must be basic type)
* @val: pointer to place holding property value
* @error: On failure an error describing the failure
* Returns: TRUE if the request was successful, FALSE if it failed
*
* Generic getter for basic type properties. Type is required to be basic.
*/
dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter,
const int type,
const void *val,
DBusError *error)
{
DBusMessageIter variant_iter;
if (!dbus_type_is_basic(type)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: given type is not basic", __func__);
return FALSE;
}
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
wpa_dbus_type_as_string(type),
&variant_iter) ||
!dbus_message_iter_append_basic(&variant_iter, type, val) ||
!dbus_message_iter_close_container(iter, &variant_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: error constructing reply", __func__);
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_simple_property_setter - Set basic type property
* @message: Pointer to incoming dbus message
* @type: DBus type of property (must be basic type)
* @val: pointer to place where value being set will be stored
* Returns: TRUE if the request was successful, FALSE if it failed
*
* Generic setter for basic type properties. Type is required to be basic.
*/
dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter,
DBusError *error,
const int type, void *val)
{
DBusMessageIter variant_iter;
if (!dbus_type_is_basic(type)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: given type is not basic", __func__);
return FALSE;
}
/* Look at the new value */
dbus_message_iter_recurse(iter, &variant_iter);
if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"wrong property type");
return FALSE;
}
dbus_message_iter_get_basic(&variant_iter, val);
return TRUE;
}
/**
* wpas_dbus_simple_array_property_getter - Get array type property
* @iter: Pointer to incoming dbus message iterator
* @type: DBus type of property array elements (must be basic type)
* @array: pointer to array of elements to put into response message
* @array_len: length of above array
* @error: a pointer to an error to fill on failure
* Returns: TRUE if the request succeeded, FALSE if it failed
*
* Generic getter for array type properties. Array elements type is
* required to be basic.
*/
dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter,
const int type,
const void *array,
size_t array_len,
DBusError *error)
{
DBusMessageIter variant_iter, array_iter;
char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
const char *sub_type_str;
size_t element_size, i;
if (!dbus_type_is_basic(type)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: given type is not basic", __func__);
return FALSE;
}
sub_type_str = wpa_dbus_type_as_string(type);
type_str[1] = sub_type_str[0];
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
type_str, &variant_iter) ||
!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
sub_type_str, &array_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to construct message", __func__);
return FALSE;
}
switch (type) {
case DBUS_TYPE_BYTE:
case DBUS_TYPE_BOOLEAN:
element_size = 1;
break;
case DBUS_TYPE_INT16:
case DBUS_TYPE_UINT16:
element_size = sizeof(uint16_t);
break;
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
element_size = sizeof(uint32_t);
break;
case DBUS_TYPE_INT64:
case DBUS_TYPE_UINT64:
element_size = sizeof(uint64_t);
break;
case DBUS_TYPE_DOUBLE:
element_size = sizeof(double);
break;
case DBUS_TYPE_STRING:
case DBUS_TYPE_OBJECT_PATH:
element_size = sizeof(char *);
break;
default:
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: unknown element type %d", __func__, type);
return FALSE;
}
for (i = 0; i < array_len; i++) {
if (!dbus_message_iter_append_basic(&array_iter, type,
(const char *) array +
i * element_size)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to construct message 2.5",
__func__);
return FALSE;
}
}
if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
!dbus_message_iter_close_container(iter, &variant_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to construct message 3", __func__);
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_simple_array_array_property_getter - Get array array type property
* @iter: Pointer to incoming dbus message iterator
* @type: DBus type of property array elements (must be basic type)
* @array: pointer to array of elements to put into response message
* @array_len: length of above array
* @error: a pointer to an error to fill on failure
* Returns: TRUE if the request succeeded, FALSE if it failed
*
* Generic getter for array type properties. Array elements type is
* required to be basic.
*/
dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter,
const int type,
struct wpabuf **array,
size_t array_len,
DBusError *error)
{
DBusMessageIter variant_iter, array_iter;
char type_str[] = "aa?";
char inner_type_str[] = "a?";
const char *sub_type_str;
size_t i;
if (!dbus_type_is_basic(type)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: given type is not basic", __func__);
return FALSE;
}
sub_type_str = wpa_dbus_type_as_string(type);
type_str[2] = sub_type_str[0];
inner_type_str[1] = sub_type_str[0];
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
type_str, &variant_iter) ||
!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
inner_type_str, &array_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to construct message", __func__);
return FALSE;
}
for (i = 0; i < array_len && array[i]; i++) {
wpa_dbus_dict_bin_array_add_element(&array_iter,
wpabuf_head(array[i]),
wpabuf_len(array[i]));
}
if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
!dbus_message_iter_close_container(iter, &variant_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to close message", __func__);
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_string_property_getter - Get string type property
* @iter: Message iter to use when appending arguments
* @val: Pointer to place holding property value, can be %NULL
* @error: On failure an error describing the failure
* Returns: TRUE if the request was successful, FALSE if it failed
*
* Generic getter for string type properties. %NULL is converted to an empty
* string.
*/
dbus_bool_t wpas_dbus_string_property_getter(DBusMessageIter *iter,
const void *val,
DBusError *error)
{
if (!val)
val = "";
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
&val, error);
}
/**
* wpas_dbus_handler_create_interface - Request registration of a network iface
* @message: Pointer to incoming dbus message
* @global: %wpa_supplicant global data structure
* Returns: The object path of the new interface object,
* or a dbus error message with more information
*
* Handler function for "CreateInterface" method call. Handles requests
* by dbus clients to register a network interface that wpa_supplicant
* will manage.
*/
DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
struct wpa_global *global)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
char *driver = NULL;
char *ifname = NULL;
char *confname = NULL;
char *bridge_ifname = NULL;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "Driver") == 0 &&
entry.type == DBUS_TYPE_STRING) {
os_free(driver);
driver = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (driver == NULL)
goto oom;
} else if (os_strcmp(entry.key, "Ifname") == 0 &&
entry.type == DBUS_TYPE_STRING) {
os_free(ifname);
ifname = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (ifname == NULL)
goto oom;
} else if (os_strcmp(entry.key, "ConfigFile") == 0 &&
entry.type == DBUS_TYPE_STRING) {
os_free(confname);
confname = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (confname == NULL)
goto oom;
} else if (os_strcmp(entry.key, "BridgeIfname") == 0 &&
entry.type == DBUS_TYPE_STRING) {
os_free(bridge_ifname);
bridge_ifname = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (bridge_ifname == NULL)
goto oom;
} else {
wpa_dbus_dict_entry_clear(&entry);
goto error;
}
}
if (ifname == NULL)
goto error; /* Required Ifname argument missing */
/*
* Try to get the wpa_supplicant record for this iface, return
* an error if we already control it.
*/
if (wpa_supplicant_get_iface(global, ifname) != NULL) {
reply = dbus_message_new_error(
message, WPAS_DBUS_ERROR_IFACE_EXISTS,
"wpa_supplicant already controls this interface.");
} else {
struct wpa_supplicant *wpa_s;
struct wpa_interface iface;
os_memset(&iface, 0, sizeof(iface));
iface.driver = driver;
iface.ifname = ifname;
iface.confname = confname;
iface.bridge_ifname = bridge_ifname;
/* Otherwise, have wpa_supplicant attach to it. */
wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
if (wpa_s && wpa_s->dbus_new_path) {
const char *path = wpa_s->dbus_new_path;
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
&path, DBUS_TYPE_INVALID);
} else {
reply = wpas_dbus_error_unknown_error(
message,
"wpa_supplicant couldn't grab this interface.");
}
}
out:
os_free(driver);
os_free(ifname);
os_free(confname);
os_free(bridge_ifname);
return reply;
error:
reply = wpas_dbus_error_invalid_args(message, NULL);
goto out;
oom:
reply = wpas_dbus_error_no_memory(message);
goto out;
}
/**
* wpas_dbus_handler_remove_interface - Request deregistration of an interface
* @message: Pointer to incoming dbus message
* @global: wpa_supplicant global data structure
* Returns: a dbus message containing a UINT32 indicating success (1) or
* failure (0), or returns a dbus error message with more information
*
* Handler function for "removeInterface" method call. Handles requests
* by dbus clients to deregister a network interface that wpa_supplicant
* currently manages.
*/
DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
struct wpa_global *global)
{
struct wpa_supplicant *wpa_s;
char *path;
DBusMessage *reply = NULL;
dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
wpa_s = get_iface_by_dbus_path(global, path);
if (wpa_s == NULL)
reply = wpas_dbus_error_iface_unknown(message);
else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
reply = wpas_dbus_error_unknown_error(
message,
"wpa_supplicant couldn't remove this interface.");
}
return reply;
}
/**
* wpas_dbus_handler_get_interface - Get the object path for an interface name
* @message: Pointer to incoming dbus message
* @global: %wpa_supplicant global data structure
* Returns: The object path of the interface object,
* or a dbus error message with more information
*
* Handler function for "getInterface" method call.
*/
DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
struct wpa_global *global)
{
DBusMessage *reply = NULL;
const char *ifname;
const char *path;
struct wpa_supplicant *wpa_s;
dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
DBUS_TYPE_INVALID);
wpa_s = wpa_supplicant_get_iface(global, ifname);
if (wpa_s == NULL || wpa_s->dbus_new_path == NULL)
return wpas_dbus_error_iface_unknown(message);
path = wpa_s->dbus_new_path;
reply = dbus_message_new_method_return(message);
if (reply == NULL)
return wpas_dbus_error_no_memory(message);
if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
dbus_message_unref(reply);
return wpas_dbus_error_no_memory(message);
}
return reply;
}
/**
* wpas_dbus_getter_debug_level - Get debug level
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "DebugLevel" property.
*/
dbus_bool_t wpas_dbus_getter_debug_level(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
const char *str;
int idx = wpa_debug_level;
if (idx < 0)
idx = 0;
if (idx > 5)
idx = 5;
str = debug_strings[idx];
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
&str, error);
}
/**
* wpas_dbus_getter_debug_timestamp - Get debug timestamp
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "DebugTimestamp" property.
*/
dbus_bool_t wpas_dbus_getter_debug_timestamp(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
&wpa_debug_timestamp, error);
}
/**
* wpas_dbus_getter_debug_show_keys - Get debug show keys
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "DebugShowKeys" property.
*/
dbus_bool_t wpas_dbus_getter_debug_show_keys(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
&wpa_debug_show_keys, error);
}
/**
* wpas_dbus_setter_debug_level - Set debug level
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter for "DebugLevel" property.
*/
dbus_bool_t wpas_dbus_setter_debug_level(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_global *global = user_data;
const char *str = NULL;
int i, val = -1;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
&str))
return FALSE;
for (i = 0; debug_strings[i]; i++)
if (os_strcmp(debug_strings[i], str) == 0) {
val = i;
break;
}
if (val < 0 ||
wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
wpa_debug_show_keys)) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"wrong debug level value");
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_setter_debug_timestamp - Set debug timestamp
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter for "DebugTimestamp" property.
*/
dbus_bool_t wpas_dbus_setter_debug_timestamp(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_global *global = user_data;
dbus_bool_t val;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
&val))
return FALSE;
wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
wpa_debug_show_keys);
return TRUE;
}
/**
* wpas_dbus_setter_debug_show_keys - Set debug show keys
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter for "DebugShowKeys" property.
*/
dbus_bool_t wpas_dbus_setter_debug_show_keys(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_global *global = user_data;
dbus_bool_t val;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
&val))
return FALSE;
wpa_supplicant_set_debug_params(global, wpa_debug_level,
wpa_debug_timestamp,
val ? 1 : 0);
return TRUE;
}
/**
* wpas_dbus_getter_interfaces - Request registered interfaces list
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Interfaces" property. Handles requests
* by dbus clients to return list of registered interfaces objects
* paths
*/
dbus_bool_t wpas_dbus_getter_interfaces(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_global *global = user_data;
struct wpa_supplicant *wpa_s;
const char **paths;
unsigned int i = 0, num = 0;
dbus_bool_t success;
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
if (wpa_s->dbus_new_path)
num++;
}
paths = os_calloc(num, sizeof(char *));
if (!paths) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
if (wpa_s->dbus_new_path)
paths[i++] = wpa_s->dbus_new_path;
}
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_OBJECT_PATH,
paths, num, error);
os_free(paths);
return success;
}
/**
* wpas_dbus_getter_eap_methods - Request supported EAP methods list
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "EapMethods" property. Handles requests
* by dbus clients to return list of strings with supported EAP methods
*/
dbus_bool_t wpas_dbus_getter_eap_methods(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
char **eap_methods;
size_t num_items = 0;
dbus_bool_t success;
eap_methods = eap_get_names_as_string_array(&num_items);
if (!eap_methods) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_STRING,
eap_methods,
num_items, error);
while (num_items)
os_free(eap_methods[--num_items]);
os_free(eap_methods);
return success;
}
/**
* wpas_dbus_getter_global_capabilities - Request supported global capabilities
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Capabilities" property. Handles requests by dbus clients to
* return a list of strings with supported capabilities like AP, RSN IBSS,
* and P2P that are determined at compile time.
*/
dbus_bool_t wpas_dbus_getter_global_capabilities(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
const char *capabilities[5] = { NULL, NULL, NULL, NULL, NULL };
size_t num_items = 0;
#ifdef CONFIG_AP
capabilities[num_items++] = "ap";
#endif /* CONFIG_AP */
#ifdef CONFIG_IBSS_RSN
capabilities[num_items++] = "ibss-rsn";
#endif /* CONFIG_IBSS_RSN */
#ifdef CONFIG_P2P
capabilities[num_items++] = "p2p";
#endif /* CONFIG_P2P */
#ifdef CONFIG_INTERWORKING
capabilities[num_items++] = "interworking";
#endif /* CONFIG_INTERWORKING */
return wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_STRING,
capabilities,
num_items, error);
}
static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
char **type, DBusMessage **reply)
{
if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a string",
__func__);
*reply = wpas_dbus_error_invalid_args(
message, "Wrong Type value type. String required");
return -1;
}
dbus_message_iter_get_basic(var, type);
return 0;
}
static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
struct wpa_driver_scan_params *params,
DBusMessage **reply)
{
struct wpa_driver_scan_ssid *ssids = params->ssids;
size_t ssids_num = 0;
u8 *ssid;
DBusMessageIter array_iter, sub_array_iter;
char *val;
int len;
if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: ssids must be an array of arrays of bytes",
__func__);
*reply = wpas_dbus_error_invalid_args(
message,
"Wrong SSIDs value type. Array of arrays of bytes required");
return -1;
}
dbus_message_iter_recurse(var, &array_iter);
if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: ssids must be an array of arrays of bytes",
__func__);
*reply = wpas_dbus_error_invalid_args(
message,
"Wrong SSIDs value type. Array of arrays of bytes required");
return -1;
}
while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) {
if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: Too many ssids specified on scan dbus call",
__func__);
*reply = wpas_dbus_error_invalid_args(
message,
"Too many ssids specified. Specify at most four");
return -1;
}
dbus_message_iter_recurse(&array_iter, &sub_array_iter);
dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
if (len > SSID_MAX_LEN) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: SSID too long (len=%d max_len=%d)",
__func__, len, SSID_MAX_LEN);
*reply = wpas_dbus_error_invalid_args(
message, "Invalid SSID: too long");
return -1;
}
if (len != 0) {
ssid = os_malloc(len);
if (ssid == NULL) {
*reply = wpas_dbus_error_no_memory(message);
return -1;
}
os_memcpy(ssid, val, len);
} else {
/* Allow zero-length SSIDs */
ssid = NULL;
}
ssids[ssids_num].ssid = ssid;
ssids[ssids_num].ssid_len = len;
dbus_message_iter_next(&array_iter);
ssids_num++;
}
params->num_ssids = ssids_num;
return 0;
}
static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
struct wpa_driver_scan_params *params,
DBusMessage **reply)
{
u8 *ies = NULL, *nies;
int ies_len = 0;
DBusMessageIter array_iter, sub_array_iter;
char *val;
int len;
if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: ies must be an array of arrays of bytes",
__func__);
*reply = wpas_dbus_error_invalid_args(
message,
"Wrong IEs value type. Array of arrays of bytes required");
return -1;
}
dbus_message_iter_recurse(var, &array_iter);
if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: ies must be an array of arrays of bytes",
__func__);
*reply = wpas_dbus_error_invalid_args(
message, "Wrong IEs value type. Array required");
return -1;
}
while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) {
dbus_message_iter_recurse(&array_iter, &sub_array_iter);
dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
if (len == 0) {
dbus_message_iter_next(&array_iter);
continue;
}
nies = os_realloc(ies, ies_len + len);
if (nies == NULL) {
os_free(ies);
*reply = wpas_dbus_error_no_memory(message);
return -1;
}
ies = nies;
os_memcpy(ies + ies_len, val, len);
ies_len += len;
dbus_message_iter_next(&array_iter);
}
params->extra_ies = ies;
params->extra_ies_len = ies_len;
return 0;
}
static int wpas_dbus_get_scan_channels(DBusMessage *message,
DBusMessageIter *var,
struct wpa_driver_scan_params *params,
DBusMessage **reply)
{
DBusMessageIter array_iter, sub_array_iter;
int *freqs = NULL, *nfreqs;
int freqs_num = 0;
if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: Channels must be an array of structs",
__func__);
*reply = wpas_dbus_error_invalid_args(
message,
"Wrong Channels value type. Array of structs required");
return -1;
}
dbus_message_iter_recurse(var, &array_iter);
if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: Channels must be an array of structs",
__func__);
*reply = wpas_dbus_error_invalid_args(
message,
"Wrong Channels value type. Array of structs required");
return -1;
}
while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
{
int freq, width;
dbus_message_iter_recurse(&array_iter, &sub_array_iter);
if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
DBUS_TYPE_UINT32) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: Channel must by specified by struct of two UINT32s %c",
__func__,
dbus_message_iter_get_arg_type(
&sub_array_iter));
*reply = wpas_dbus_error_invalid_args(
message,
"Wrong Channel struct. Two UINT32s required");
os_free(freqs);
return -1;
}
dbus_message_iter_get_basic(&sub_array_iter, &freq);
if (!dbus_message_iter_next(&sub_array_iter) ||
dbus_message_iter_get_arg_type(&sub_array_iter) !=
DBUS_TYPE_UINT32) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: Channel must by specified by struct of two UINT32s",
__func__);
*reply = wpas_dbus_error_invalid_args(
message,
"Wrong Channel struct. Two UINT32s required");
os_free(freqs);
return -1;
}
dbus_message_iter_get_basic(&sub_array_iter, &width);
#define FREQS_ALLOC_CHUNK 32
if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
nfreqs = os_realloc_array(
freqs, freqs_num + FREQS_ALLOC_CHUNK,
sizeof(int));
if (nfreqs == NULL)
os_free(freqs);
freqs = nfreqs;
}
if (freqs == NULL) {
*reply = wpas_dbus_error_no_memory(message);
return -1;
}
freqs[freqs_num] = freq;
freqs_num++;
dbus_message_iter_next(&array_iter);
}
nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
if (nfreqs == NULL)
os_free(freqs);
freqs = nfreqs;
if (freqs == NULL) {
*reply = wpas_dbus_error_no_memory(message);
return -1;
}
freqs[freqs_num] = 0;
params->freqs = freqs;
return 0;
}
static int wpas_dbus_get_scan_allow_roam(DBusMessage *message,
DBusMessageIter *var,
dbus_bool_t *allow,
DBusMessage **reply)
{
if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_BOOLEAN) {
wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a boolean",
__func__);
*reply = wpas_dbus_error_invalid_args(
message, "Wrong Type value type. Boolean required");
return -1;
}
dbus_message_iter_get_basic(var, allow);
return 0;
}
/**
* wpas_dbus_handler_scan - Request a wireless scan on an interface
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL indicating success or DBus error message on failure
*
* Handler function for "Scan" method call of a network device. Requests
* that wpa_supplicant perform a wireless scan as soon as possible
* on a particular wireless interface.
*/
DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
char *key = NULL, *type = NULL;
struct wpa_driver_scan_params params;
size_t i;
dbus_bool_t allow_roam = 1;
os_memset(&params, 0, sizeof(params));
dbus_message_iter_init(message, &iter);
dbus_message_iter_recurse(&iter, &dict_iter);
while (dbus_message_iter_get_arg_type(&dict_iter) ==
DBUS_TYPE_DICT_ENTRY) {
dbus_message_iter_recurse(&dict_iter, &entry_iter);
dbus_message_iter_get_basic(&entry_iter, &key);
dbus_message_iter_next(&entry_iter);
dbus_message_iter_recurse(&entry_iter, &variant_iter);
if (os_strcmp(key, "Type") == 0) {
if (wpas_dbus_get_scan_type(message, &variant_iter,
&type, &reply) < 0)
goto out;
} else if (os_strcmp(key, "SSIDs") == 0) {
if (wpas_dbus_get_scan_ssids(message, &variant_iter,
&params, &reply) < 0)
goto out;
} else if (os_strcmp(key, "IEs") == 0) {
if (wpas_dbus_get_scan_ies(message, &variant_iter,
&params, &reply) < 0)
goto out;
} else if (os_strcmp(key, "Channels") == 0) {
if (wpas_dbus_get_scan_channels(message, &variant_iter,
&params, &reply) < 0)
goto out;
} else if (os_strcmp(key, "AllowRoam") == 0) {
if (wpas_dbus_get_scan_allow_roam(message,
&variant_iter,
&allow_roam,
&reply) < 0)
goto out;
} else {
wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown argument %s",
__func__, key);
reply = wpas_dbus_error_invalid_args(message, key);
goto out;
}
dbus_message_iter_next(&dict_iter);
}
if (!type) {
wpa_printf(MSG_DEBUG, "%s[dbus]: Scan type not specified",
__func__);
reply = wpas_dbus_error_invalid_args(message, key);
goto out;
}
if (os_strcmp(type, "passive") == 0) {
if (params.num_ssids || params.extra_ies_len) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: SSIDs or IEs specified for passive scan.",
__func__);
reply = wpas_dbus_error_invalid_args(
message,
"You can specify only Channels in passive scan");
goto out;
} else {
if (wpa_s->sched_scanning) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed",
__func__);
wpa_supplicant_cancel_sched_scan(wpa_s);
}
if (params.freqs && params.freqs[0]) {
wpa_s->last_scan_req = MANUAL_SCAN_REQ;
if (wpa_supplicant_trigger_scan(wpa_s,
&params)) {
reply = wpas_dbus_error_scan_error(
message,
"Scan request rejected");
}
} else {
wpa_s->scan_req = MANUAL_SCAN_REQ;
wpa_supplicant_req_scan(wpa_s, 0, 0);
}
}
} else if (os_strcmp(type, "active") == 0) {
if (!params.num_ssids) {
/* Add wildcard ssid */
params.num_ssids++;
}
#ifdef CONFIG_AUTOSCAN
autoscan_deinit(wpa_s);
#endif /* CONFIG_AUTOSCAN */
if (wpa_s->sched_scanning) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed",
__func__);
wpa_supplicant_cancel_sched_scan(wpa_s);
}
wpa_s->last_scan_req = MANUAL_SCAN_REQ;
if (wpa_supplicant_trigger_scan(wpa_s, &params)) {
reply = wpas_dbus_error_scan_error(
message, "Scan request rejected");
}
} else {
wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown scan type: %s",
__func__, type);
reply = wpas_dbus_error_invalid_args(message,
"Wrong scan type");
goto out;
}
if (!allow_roam)
wpa_s->scan_res_handler = scan_only_handler;
out:
for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
os_free((u8 *) params.ssids[i].ssid);
os_free((u8 *) params.extra_ies);
os_free(params.freqs);
return reply;
}
/**
* wpas_dbus_handler_signal_poll - Request immediate signal properties
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL indicating success or DBus error message on failure
*
* Handler function for "SignalPoll" method call of a network device. Requests
* that wpa_supplicant read signal properties like RSSI, noise, and link
* speed and return them.
*/
DBusMessage * wpas_dbus_handler_signal_poll(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
struct wpa_signal_info si;
DBusMessage *reply = NULL;
DBusMessageIter iter, iter_dict, variant_iter;
int ret;
ret = wpa_drv_signal_poll(wpa_s, &si);
if (ret) {
return dbus_message_new_error(message, DBUS_ERROR_FAILED,
"Failed to read signal");
}
reply = dbus_message_new_method_return(message);
if (reply == NULL)
goto nomem;
dbus_message_iter_init_append(reply, &iter);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
"a{sv}", &variant_iter) ||
!wpa_dbus_dict_open_write(&variant_iter, &iter_dict) ||
!wpa_dbus_dict_append_int32(&iter_dict, "rssi",
si.current_signal) ||
!wpa_dbus_dict_append_int32(&iter_dict, "linkspeed",
si.current_txrate / 1000) ||
!wpa_dbus_dict_append_int32(&iter_dict, "noise",
si.current_noise) ||
!wpa_dbus_dict_append_uint32(&iter_dict, "frequency",
si.frequency) ||
(si.chanwidth != CHAN_WIDTH_UNKNOWN &&
!wpa_dbus_dict_append_string(
&iter_dict, "width",
channel_width_to_string(si.chanwidth))) ||
(si.center_frq1 > 0 && si.center_frq2 > 0 &&
(!wpa_dbus_dict_append_int32(&iter_dict, "center-frq1",
si.center_frq1) ||
!wpa_dbus_dict_append_int32(&iter_dict, "center-frq2",
si.center_frq2))) ||
(si.avg_signal &&
!wpa_dbus_dict_append_int32(&iter_dict, "avg-rssi",
si.avg_signal)) ||
!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
!dbus_message_iter_close_container(&iter, &variant_iter))
goto nomem;
return reply;
nomem:
if (reply)
dbus_message_unref(reply);
return wpas_dbus_error_no_memory(message);
}
/*
* wpas_dbus_handler_disconnect - Terminate the current connection
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NotConnected DBus error message if already not connected
* or NULL otherwise.
*
* Handler function for "Disconnect" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
if (wpa_s->current_ssid != NULL) {
wpas_request_disconnection(wpa_s);
return NULL;
}
return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
"This interface is not connected");
}
/**
* wpas_dbus_new_iface_add_network - Add a new configured network
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: A dbus message containing the object path of the new network
*
* Handler function for "AddNetwork" method call of a network interface.
*/
DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_ssid *ssid = NULL;
char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
DBusError error;
dbus_message_iter_init(message, &iter);
if (wpa_s->dbus_new_path)
ssid = wpa_supplicant_add_network(wpa_s);
if (ssid == NULL) {
wpa_printf(MSG_ERROR, "%s[dbus]: can't add new interface.",
__func__);
reply = wpas_dbus_error_unknown_error(
message,
"wpa_supplicant could not add a network on this interface.");
goto err;
}
dbus_error_init(&error);
if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
wpa_printf(MSG_DEBUG,
"%s[dbus]: control interface couldn't set network properties",
__func__);
reply = wpas_dbus_reply_new_from_error(message, &error,
DBUS_ERROR_INVALID_ARGS,
"Failed to add network");
dbus_error_free(&error);
goto err;
}
/* Construct the object path for this network. */
os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
wpa_s->dbus_new_path, ssid->id);
reply = dbus_message_new_method_return(message);
if (reply == NULL) {
reply = wpas_dbus_error_no_memory(message);
goto err;
}
if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
dbus_message_unref(reply);
reply = wpas_dbus_error_no_memory(message);
goto err;
}
return reply;
err:
if (ssid) {
wpas_notify_network_removed(wpa_s, ssid);
wpa_config_remove_network(wpa_s->conf, ssid->id);
}
return reply;
}
/**
* wpas_dbus_handler_reassociate - Reassociate
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: InterfaceDisabled DBus error message if disabled
* or NULL otherwise.
*
* Handler function for "Reassociate" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) {
wpas_request_connection(wpa_s);
return NULL;
}
return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_DISABLED,
"This interface is disabled");
}
/**
* wpas_dbus_handler_expect_disconnect - ExpectDisconnect
* @message: Pointer to incoming dbus message
* @global: %wpa_supplicant global data structure
* Returns: NULL
*
* Handler function for notifying system there will be a expected disconnect.
* This will prevent wpa_supplicant from adding blacklists upon next disconnect..
*/
DBusMessage * wpas_dbus_handler_expect_disconnect(DBusMessage *message,
struct wpa_global *global)
{
struct wpa_supplicant *wpa_s = global->ifaces;
for (; wpa_s; wpa_s = wpa_s->next)
if (wpa_s->wpa_state >= WPA_ASSOCIATED)
wpa_s->own_disconnect_req = 1;
return NULL;
}
/**
* wpas_dbus_handler_reattach - Reattach to current AP
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NotConnected DBus error message if not connected
* or NULL otherwise.
*
* Handler function for "Reattach" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_reattach(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
if (wpa_s->current_ssid != NULL) {
wpa_s->reattach = 1;
wpas_request_connection(wpa_s);
return NULL;
}
return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
"This interface is not connected");
}
/**
* wpas_dbus_handler_reconnect - Reconnect if disconnected
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: InterfaceDisabled DBus error message if disabled
* or NULL otherwise.
*
* Handler function for "Reconnect" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_reconnect(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_IFACE_DISABLED,
"This interface is disabled");
}
if (wpa_s->disconnected)
wpas_request_connection(wpa_s);
return NULL;
}
/**
* wpas_dbus_handler_remove_network - Remove a configured network
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL on success or dbus error on failure
*
* Handler function for "RemoveNetwork" method call of a network interface.
*/
DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
const char *op;
char *iface, *net_id;
int id;
int result;
dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
DBUS_TYPE_INVALID);
/* Extract the network ID and ensure the network */
/* is actually a child of this interface */
iface = wpas_dbus_new_decompose_object_path(op,
WPAS_DBUS_NEW_NETWORKS_PART,
&net_id);
if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
reply = wpas_dbus_error_invalid_args(message, op);
goto out;
}
errno = 0;
id = strtoul(net_id, NULL, 10);
if (errno != 0) {
reply = wpas_dbus_error_invalid_args(message, op);
goto out;
}
result = wpa_supplicant_remove_network(wpa_s, id);
if (result == -1) {
reply = wpas_dbus_error_network_unknown(message);
goto out;
}
if (result == -2) {
wpa_printf(MSG_ERROR,
"%s[dbus]: error occurred when removing network %d",
__func__, id);
reply = wpas_dbus_error_unknown_error(
message,
"error removing the specified network on is interface.");
goto out;
}
out:
os_free(iface);
return reply;
}
static void remove_network(void *arg, struct wpa_ssid *ssid)
{
struct wpa_supplicant *wpa_s = arg;
wpas_notify_network_removed(wpa_s, ssid);
if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
wpa_printf(MSG_ERROR,
"%s[dbus]: error occurred when removing network %d",
__func__, ssid->id);
return;
}
if (ssid == wpa_s->current_ssid)
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
}
/**
* wpas_dbus_handler_remove_all_networks - Remove all configured networks
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL on success or dbus error on failure
*
* Handler function for "RemoveAllNetworks" method call of a network interface.
*/
DBusMessage * wpas_dbus_handler_remove_all_networks(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
if (wpa_s->sched_scanning)
wpa_supplicant_cancel_sched_scan(wpa_s);
/* NB: could check for failure and return an error */
wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
return NULL;
}
/**
* wpas_dbus_handler_select_network - Attempt association with a network
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL on success or dbus error on failure
*
* Handler function for "SelectNetwork" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
const char *op;
char *iface, *net_id;
int id;
struct wpa_ssid *ssid;
dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
DBUS_TYPE_INVALID);
/* Extract the network ID and ensure the network */
/* is actually a child of this interface */
iface = wpas_dbus_new_decompose_object_path(op,
WPAS_DBUS_NEW_NETWORKS_PART,
&net_id);
if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
reply = wpas_dbus_error_invalid_args(message, op);
goto out;
}
errno = 0;
id = strtoul(net_id, NULL, 10);
if (errno != 0) {
reply = wpas_dbus_error_invalid_args(message, op);
goto out;
}
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
reply = wpas_dbus_error_network_unknown(message);
goto out;
}
/* Finally, associate with the network */
wpa_supplicant_select_network(wpa_s, ssid);
out:
os_free(iface);
return reply;
}
/**
* wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL on success or dbus error on failure
*
* Handler function for "NetworkReply" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
#ifdef IEEE8021X_EAPOL
DBusMessage *reply = NULL;
const char *op, *field, *value;
char *iface, *net_id;
int id;
struct wpa_ssid *ssid;
if (!dbus_message_get_args(message, NULL,
DBUS_TYPE_OBJECT_PATH, &op,
DBUS_TYPE_STRING, &field,
DBUS_TYPE_STRING, &value,
DBUS_TYPE_INVALID))
return wpas_dbus_error_invalid_args(message, NULL);
/* Extract the network ID and ensure the network */
/* is actually a child of this interface */
iface = wpas_dbus_new_decompose_object_path(op,
WPAS_DBUS_NEW_NETWORKS_PART,
&net_id);
if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
reply = wpas_dbus_error_invalid_args(message, op);
goto out;
}
errno = 0;
id = strtoul(net_id, NULL, 10);
if (errno != 0) {
reply = wpas_dbus_error_invalid_args(message, net_id);
goto out;
}
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
reply = wpas_dbus_error_network_unknown(message);
goto out;
}
if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
field, value) < 0)
reply = wpas_dbus_error_invalid_args(message, field);
else {
/* Tell EAP to retry immediately */
eapol_sm_notify_ctrl_response(wpa_s->eapol);
}
out:
os_free(iface);
return reply;
#else /* IEEE8021X_EAPOL */
wpa_printf(MSG_DEBUG, "dbus: 802.1X not included");
return wpas_dbus_error_unknown_error(message, "802.1X not included");
#endif /* IEEE8021X_EAPOL */
}
#ifndef CONFIG_NO_CONFIG_BLOBS
/**
* wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
* @message: Pointer to incoming dbus message
* @wpa_s: %wpa_supplicant data structure
* Returns: A dbus message containing an error on failure or NULL on success
*
* Asks wpa_supplicant to internally store a binary blobs.
*/
DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
DBusMessageIter iter, array_iter;
char *blob_name;
u8 *blob_data;
int blob_len;
struct wpa_config_blob *blob = NULL;
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &blob_name);
if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_BLOB_EXISTS,
NULL);
}
dbus_message_iter_next(&iter);
dbus_message_iter_recurse(&iter, &array_iter);
dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
blob = os_zalloc(sizeof(*blob));
if (!blob) {
reply = wpas_dbus_error_no_memory(message);
goto err;
}
blob->data = os_malloc(blob_len);
blob->name = os_strdup(blob_name);
if (!blob->data || !blob->name) {
reply = wpas_dbus_error_no_memory(message);
goto err;
}
os_memcpy(blob->data, blob_data, blob_len);
blob->len = blob_len;
wpa_config_set_blob(wpa_s->conf, blob);
wpas_notify_blob_added(wpa_s, blob->name);
return reply;
err:
if (blob) {
os_free(blob->name);
os_free(blob->data);
os_free(blob);
}
return reply;
}
/**
* wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
* @message: Pointer to incoming dbus message
* @wpa_s: %wpa_supplicant data structure
* Returns: A dbus message containing array of bytes (blob)
*
* Gets one wpa_supplicant's binary blobs.
*/
DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
DBusMessageIter iter, array_iter;
char *blob_name;
const struct wpa_config_blob *blob;
dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
DBUS_TYPE_INVALID);
blob = wpa_config_get_blob(wpa_s->conf, blob_name);
if (!blob) {
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_BLOB_UNKNOWN,
"Blob id not set");
}
reply = dbus_message_new_method_return(message);
if (!reply)
return wpas_dbus_error_no_memory(message);
dbus_message_iter_init_append(reply, &iter);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_BYTE_AS_STRING,
&array_iter) ||
!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
&(blob->data), blob->len) ||
!dbus_message_iter_close_container(&iter, &array_iter)) {
dbus_message_unref(reply);
reply = wpas_dbus_error_no_memory(message);
}
return reply;
}
/**
* wpas_remove_handler_remove_blob - Remove named binary blob
* @message: Pointer to incoming dbus message
* @wpa_s: %wpa_supplicant data structure
* Returns: NULL on success or dbus error
*
* Asks wpa_supplicant to internally remove a binary blobs.
*/
DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
char *blob_name;
dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
DBUS_TYPE_INVALID);
if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_BLOB_UNKNOWN,
"Blob id not set");
}
wpas_notify_blob_removed(wpa_s, blob_name);
return reply;
}
#endif /* CONFIG_NO_CONFIG_BLOBS */
/*
* wpas_dbus_handler_flush_bss - Flush the BSS cache
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL
*
* Handler function for "FlushBSS" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
dbus_uint32_t age;
dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
DBUS_TYPE_INVALID);
if (age == 0)
wpa_bss_flush(wpa_s);
else
wpa_bss_flush_by_age(wpa_s, age);
return NULL;
}
#ifdef CONFIG_AUTOSCAN
/**
* wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL
*
* Handler function for "AutoScan" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
enum wpa_states state = wpa_s->wpa_state;
char *arg;
dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
DBUS_TYPE_INVALID);
if (arg != NULL && os_strlen(arg) > 0) {
char *tmp;
tmp = os_strdup(arg);
if (tmp == NULL) {
reply = wpas_dbus_error_no_memory(message);
} else {
os_free(wpa_s->conf->autoscan);
wpa_s->conf->autoscan = tmp;
if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
autoscan_init(wpa_s, 1);
else if (state == WPA_SCANNING)
wpa_supplicant_reinit_autoscan(wpa_s);
}
} else if (arg != NULL && os_strlen(arg) == 0) {
os_free(wpa_s->conf->autoscan);
wpa_s->conf->autoscan = NULL;
autoscan_deinit(wpa_s);
} else
reply = dbus_message_new_error(message,
DBUS_ERROR_INVALID_ARGS,
NULL);
return reply;
}
#endif /* CONFIG_AUTOSCAN */
/*
* wpas_dbus_handler_eap_logoff - IEEE 802.1X EAPOL state machine logoff
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL
*
* Handler function for "EAPLogoff" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_eap_logoff(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
return NULL;
}
/*
* wpas_dbus_handler_eap_logon - IEEE 802.1X EAPOL state machine logon
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL
*
* Handler function for "EAPLogin" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_eap_logon(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
return NULL;
}
#ifdef CONFIG_TDLS
static int get_peer_hwaddr_helper(DBusMessage *message, const char *func_name,
u8 *peer_address, DBusMessage **error)
{
const char *peer_string;
*error = NULL;
if (!dbus_message_get_args(message, NULL,
DBUS_TYPE_STRING, &peer_string,
DBUS_TYPE_INVALID)) {
*error = wpas_dbus_error_invalid_args(message, NULL);
return -1;
}
if (hwaddr_aton(peer_string, peer_address)) {
wpa_printf(MSG_DEBUG, "%s: invalid address '%s'",
func_name, peer_string);
*error = wpas_dbus_error_invalid_args(
message, "Invalid hardware address format");
return -1;
}
return 0;
}
/*
* wpas_dbus_handler_tdls_discover - Discover TDLS peer
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL indicating success or DBus error message on failure
*
* Handler function for "TDLSDiscover" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_tdls_discover(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
u8 peer[ETH_ALEN];
DBusMessage *error_reply;
int ret;
if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
return error_reply;
wpa_printf(MSG_DEBUG, "DBUS TDLS_DISCOVER " MACSTR, MAC2STR(peer));
if (wpa_tdls_is_external_setup(wpa_s->wpa))
ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
else
ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
if (ret) {
return wpas_dbus_error_unknown_error(
message, "error performing TDLS discovery");
}
return NULL;
}
/*
* wpas_dbus_handler_tdls_setup - Setup TDLS session
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL indicating success or DBus error message on failure
*
* Handler function for "TDLSSetup" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_tdls_setup(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
u8 peer[ETH_ALEN];
DBusMessage *error_reply;
int ret;
if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
return error_reply;
wpa_printf(MSG_DEBUG, "DBUS TDLS_SETUP " MACSTR, MAC2STR(peer));
wpa_tdls_remove(wpa_s->wpa, peer);
if (wpa_tdls_is_external_setup(wpa_s->wpa))
ret = wpa_tdls_start(wpa_s->wpa, peer);
else
ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
if (ret) {
return wpas_dbus_error_unknown_error(
message, "error performing TDLS setup");
}
return NULL;
}
/*
* wpas_dbus_handler_tdls_status - Return TDLS session status
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: A string representing the state of the link to this TDLS peer
*
* Handler function for "TDLSStatus" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_tdls_status(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
u8 peer[ETH_ALEN];
DBusMessage *reply;
const char *tdls_status;
if (get_peer_hwaddr_helper(message, __func__, peer, &reply) < 0)
return reply;
wpa_printf(MSG_DEBUG, "DBUS TDLS_STATUS " MACSTR, MAC2STR(peer));
tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_STRING,
&tdls_status, DBUS_TYPE_INVALID);
return reply;
}
/*
* wpas_dbus_handler_tdls_teardown - Teardown TDLS session
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL indicating success or DBus error message on failure
*
* Handler function for "TDLSTeardown" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_tdls_teardown(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
u8 peer[ETH_ALEN];
DBusMessage *error_reply;
int ret;
if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
return error_reply;
wpa_printf(MSG_DEBUG, "DBUS TDLS_TEARDOWN " MACSTR, MAC2STR(peer));
if (wpa_tdls_is_external_setup(wpa_s->wpa))
ret = wpa_tdls_teardown_link(
wpa_s->wpa, peer,
WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
else
ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
if (ret) {
return wpas_dbus_error_unknown_error(
message, "error performing TDLS teardown");
}
return NULL;
}
#endif /* CONFIG_TDLS */
#ifndef CONFIG_NO_CONFIG_WRITE
/**
* wpas_dbus_handler_save_config - Save configuration to configuration file
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL on Success, Otherwise errror message
*
* Handler function for "SaveConfig" method call of network interface.
*/
DBusMessage * wpas_dbus_handler_save_config(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
int ret;
if (!wpa_s->conf->update_config) {
return wpas_dbus_error_unknown_error(
message,
"Not allowed to update configuration (update_config=0)");
}
ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
if (ret)
return wpas_dbus_error_unknown_error(
message, "Failed to update configuration");
return NULL;
}
#endif /* CONFIG_NO_CONFIG_WRITE */
/**
* wpas_dbus_handler_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
* @message: Pointer to incoming dbus message
* @wpa_s: %wpa_supplicant data structure
* Returns: A dbus message containing an error on failure or NULL on success
*
* Sets the PKCS #11 engine and module path.
*/
DBusMessage * wpas_dbus_handler_set_pkcs11_engine_and_module_path(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter;
char *value = NULL;
char *pkcs11_engine_path = NULL;
char *pkcs11_module_path = NULL;
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &value);
if (value == NULL) {
return dbus_message_new_error(
message, DBUS_ERROR_INVALID_ARGS,
"Invalid pkcs11_engine_path argument");
}
/* Empty path defaults to NULL */
if (os_strlen(value))
pkcs11_engine_path = value;
dbus_message_iter_next(&iter);
dbus_message_iter_get_basic(&iter, &value);
if (value == NULL) {
os_free(pkcs11_engine_path);
return dbus_message_new_error(
message, DBUS_ERROR_INVALID_ARGS,
"Invalid pkcs11_module_path argument");
}
/* Empty path defaults to NULL */
if (os_strlen(value))
pkcs11_module_path = value;
if (wpas_set_pkcs11_engine_and_module_path(wpa_s, pkcs11_engine_path,
pkcs11_module_path))
return dbus_message_new_error(
message, DBUS_ERROR_FAILED,
"Reinit of the EAPOL state machine with the new PKCS #11 engine and module path failed.");
if (wpa_s->dbus_new_path) {
wpa_dbus_mark_property_changed(
wpa_s->global->dbus, wpa_s->dbus_new_path,
WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11EnginePath");
wpa_dbus_mark_property_changed(
wpa_s->global->dbus, wpa_s->dbus_new_path,
WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11ModulePath");
}
return NULL;
}
/**
* wpas_dbus_getter_capabilities - Return interface capabilities
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Capabilities" property of an interface.
*/
dbus_bool_t wpas_dbus_getter_capabilities(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct wpa_driver_capa capa;
int res;
DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
variant_iter;
const char *scans[] = { "active", "passive", "ssid" };
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
"a{sv}", &variant_iter) ||
!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
goto nomem;
res = wpa_drv_get_capa(wpa_s, &capa);
/***** pairwise cipher */
if (res < 0) {
const char *args[] = {"ccmp", "tkip", "none"};
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "Pairwise", args,
ARRAY_SIZE(args)))
goto nomem;
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
&iter_dict_entry,
&iter_dict_val,
&iter_array) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "ccmp-256")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "gcmp-256")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "ccmp")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "gcmp")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "tkip")) ||
((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "none")) ||
!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto nomem;
}
/***** group cipher */
if (res < 0) {
const char *args[] = {
"ccmp", "tkip", "wep104", "wep40"
};
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "Group", args,
ARRAY_SIZE(args)))
goto nomem;
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
&iter_dict_entry,
&iter_dict_val,
&iter_array) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "ccmp-256")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "gcmp-256")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "ccmp")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "gcmp")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "tkip")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "wep104")) ||
((capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "wep40")) ||
!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto nomem;
}
/***** key management */
if (res < 0) {
const char *args[] = {
"wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
#ifdef CONFIG_WPS
"wps",
#endif /* CONFIG_WPS */
"none"
};
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "KeyMgmt", args,
ARRAY_SIZE(args)))
goto nomem;
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
&iter_dict_entry,
&iter_dict_val,
&iter_array) ||
!wpa_dbus_dict_string_array_add_element(&iter_array,
"none") ||
!wpa_dbus_dict_string_array_add_element(&iter_array,
"ieee8021x"))
goto nomem;
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "wpa-eap") ||
((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "wpa-ft-eap")))
goto nomem;
/* TODO: Ensure that driver actually supports sha256 encryption. */
#ifdef CONFIG_IEEE80211W
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "wpa-eap-sha256"))
goto nomem;
#endif /* CONFIG_IEEE80211W */
}
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "wpa-psk") ||
((capa.key_mgmt &
WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "wpa-ft-psk")))
goto nomem;
/* TODO: Ensure that driver actually supports sha256 encryption. */
#ifdef CONFIG_IEEE80211W
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "wpa-psk-sha256"))
goto nomem;
#endif /* CONFIG_IEEE80211W */
}
if ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
!wpa_dbus_dict_string_array_add_element(&iter_array,
"wpa-none"))
goto nomem;
#ifdef CONFIG_WPS
if (!wpa_dbus_dict_string_array_add_element(&iter_array,
"wps"))
goto nomem;
#endif /* CONFIG_WPS */
if (!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto nomem;
}
/***** WPA protocol */
if (res < 0) {
const char *args[] = { "rsn", "wpa" };
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "Protocol", args,
ARRAY_SIZE(args)))
goto nomem;
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
&iter_dict_entry,
&iter_dict_val,
&iter_array) ||
((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "rsn")) ||
((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "wpa")) ||
!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto nomem;
}
/***** auth alg */
if (res < 0) {
const char *args[] = { "open", "shared", "leap" };
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "AuthAlg", args,
ARRAY_SIZE(args)))
goto nomem;
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto nomem;
if (((capa.auth & WPA_DRIVER_AUTH_OPEN) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "open")) ||
((capa.auth & WPA_DRIVER_AUTH_SHARED) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "shared")) ||
((capa.auth & WPA_DRIVER_AUTH_LEAP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "leap")) ||
!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto nomem;
}
/***** Scan */
if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
ARRAY_SIZE(scans)))
goto nomem;
/***** Modes */
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
&iter_dict_entry,
&iter_dict_val,
&iter_array) ||
!wpa_dbus_dict_string_array_add_element(
&iter_array, "infrastructure") ||
(res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_IBSS) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "ad-hoc")) ||
(res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_AP) &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "ap")) ||
(res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
!wpa_s->conf->p2p_disabled &&
!wpa_dbus_dict_string_array_add_element(
&iter_array, "p2p")) ||
!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto nomem;
/***** Modes end */
if (res >= 0) {
dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
max_scan_ssid))
goto nomem;
}
if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
!dbus_message_iter_close_container(iter, &variant_iter))
goto nomem;
return TRUE;
nomem:
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
/**
* wpas_dbus_getter_state - Get interface state
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "State" property.
*/
dbus_bool_t wpas_dbus_getter_state(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
const char *str_state;
char *state_ls, *tmp;
dbus_bool_t success = FALSE;
str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
/* make state string lowercase to fit new DBus API convention
*/
state_ls = tmp = os_strdup(str_state);
if (!tmp) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
while (*tmp) {
*tmp = tolower(*tmp);
tmp++;
}
success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
&state_ls, error);
os_free(state_ls);
return success;
}
/**
* wpas_dbus_new_iface_get_scanning - Get interface scanning state
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "scanning" property.
*/
dbus_bool_t wpas_dbus_getter_scanning(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
&scanning, error);
}
/**
* wpas_dbus_getter_ap_scan - Control roaming mode
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter function for "ApScan" property.
*/
dbus_bool_t wpas_dbus_getter_ap_scan(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
&ap_scan, error);
}
/**
* wpas_dbus_setter_ap_scan - Control roaming mode
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter function for "ApScan" property.
*/
dbus_bool_t wpas_dbus_setter_ap_scan(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_uint32_t ap_scan;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
&ap_scan))
return FALSE;
if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"ap_scan must be 0, 1, or 2");
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_getter_fast_reauth - Control fast
* reauthentication (TLS session resumption)
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter function for "FastReauth" property.
*/
dbus_bool_t wpas_dbus_getter_fast_reauth(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
&fast_reauth, error);
}
/**
* wpas_dbus_setter_fast_reauth - Control fast
* reauthentication (TLS session resumption)
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter function for "FastReauth" property.
*/
dbus_bool_t wpas_dbus_setter_fast_reauth(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_bool_t fast_reauth;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
&fast_reauth))
return FALSE;
wpa_s->conf->fast_reauth = fast_reauth;
return TRUE;
}
/**
* wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "DisconnectReason" property. The reason is negative if it is
* locally generated.
*/
dbus_bool_t wpas_dbus_getter_disconnect_reason(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_int32_t reason = wpa_s->disconnect_reason;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
&reason, error);
}
/**
* wpas_dbus_getter_assoc_status_code - Get most recent failed assoc status code
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "AssocStatusCode" property.
*/
dbus_bool_t wpas_dbus_getter_assoc_status_code(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_int32_t status_code = wpa_s->assoc_status_code;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
&status_code, error);
}
/**
* wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter function for "BSSExpireAge" property.
*/
dbus_bool_t wpas_dbus_getter_bss_expire_age(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
&expire_age, error);
}
/**
* wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter function for "BSSExpireAge" property.
*/
dbus_bool_t wpas_dbus_setter_bss_expire_age(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_uint32_t expire_age;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
&expire_age))
return FALSE;
if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"BSSExpireAge must be >= 10");
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter function for "BSSExpireCount" property.
*/
dbus_bool_t wpas_dbus_getter_bss_expire_count(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
&expire_count, error);
}
/**
* wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter function for "BSSExpireCount" property.
*/
dbus_bool_t wpas_dbus_setter_bss_expire_count(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_uint32_t expire_count;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
&expire_count))
return FALSE;
if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"BSSExpireCount must be > 0");
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_getter_country - Control country code
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter function for "Country" property.
*/
dbus_bool_t wpas_dbus_getter_country(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
char country[3];
char *str = country;
country[0] = wpa_s->conf->country[0];
country[1] = wpa_s->conf->country[1];
country[2] = '\0';
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
&str, error);
}
/**
* wpas_dbus_setter_country - Control country code
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter function for "Country" property.
*/
dbus_bool_t wpas_dbus_setter_country(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
const char *country;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
&country))
return FALSE;
if (!country[0] || !country[1]) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"invalid country code");
return FALSE;
}
if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
wpa_printf(MSG_DEBUG, "Failed to set country");
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"failed to set country code");
return FALSE;
}
wpa_s->conf->country[0] = country[0];
wpa_s->conf->country[1] = country[1];
return TRUE;
}
/**
* wpas_dbus_getter_scan_interval - Get scan interval
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter function for "ScanInterval" property.
*/
dbus_bool_t wpas_dbus_getter_scan_interval(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_int32_t scan_interval = wpa_s->scan_interval;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
&scan_interval, error);
}
/**
* wpas_dbus_setter_scan_interval - Control scan interval
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter function for "ScanInterval" property.
*/
dbus_bool_t wpas_dbus_setter_scan_interval(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
dbus_int32_t scan_interval;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
&scan_interval))
return FALSE;
if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"scan_interval must be >= 0");
return FALSE;
}
return TRUE;
}
/**
* wpas_dbus_getter_ifname - Get interface name
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Ifname" property.
*/
dbus_bool_t wpas_dbus_getter_ifname(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
return wpas_dbus_string_property_getter(iter, wpa_s->ifname, error);
}
/**
* wpas_dbus_getter_driver - Get interface name
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Driver" property.
*/
dbus_bool_t wpas_dbus_getter_driver(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
wpa_printf(MSG_DEBUG, "%s[dbus]: wpa_s has no driver set",
__func__);
dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
__func__);
return FALSE;
}
return wpas_dbus_string_property_getter(iter, wpa_s->driver->name,
error);
}
/**
* wpas_dbus_getter_current_bss - Get current bss object path
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "CurrentBSS" property.
*/
dbus_bool_t wpas_dbus_getter_current_bss(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
if (wpa_s->current_bss && wpa_s->dbus_new_path)
os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
wpa_s->dbus_new_path, wpa_s->current_bss->id);
else
os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
&bss_obj_path, error);
}
/**
* wpas_dbus_getter_current_network - Get current network object path
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "CurrentNetwork" property.
*/
dbus_bool_t wpas_dbus_getter_current_network(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
if (wpa_s->current_ssid && wpa_s->dbus_new_path)
os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
wpa_s->dbus_new_path, wpa_s->current_ssid->id);
else
os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
&net_obj_path, error);
}
/**
* wpas_dbus_getter_current_auth_mode - Get current authentication type
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "CurrentAuthMode" property.
*/
dbus_bool_t wpas_dbus_getter_current_auth_mode(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
const char *eap_mode;
const char *auth_mode;
char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
if (wpa_s->wpa_state != WPA_COMPLETED) {
auth_mode = "INACTIVE";
} else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
"EAP-%s", eap_mode);
auth_mode = eap_mode_buf;
} else if (wpa_s->current_ssid) {
auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
wpa_s->current_ssid->proto);
} else {
auth_mode = "UNKNOWN";
}
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
&auth_mode, error);
}
/**
* wpas_dbus_getter_bridge_ifname - Get interface name
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "BridgeIfname" property.
*/
dbus_bool_t wpas_dbus_getter_bridge_ifname(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
return wpas_dbus_string_property_getter(iter, wpa_s->bridge_ifname,
error);
}
/**
* wpas_dbus_getter_config_file - Get interface configuration file path
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "ConfigFile" property.
*/
dbus_bool_t wpas_dbus_getter_config_file(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
return wpas_dbus_string_property_getter(iter, wpa_s->confname, error);
}
/**
* wpas_dbus_getter_bsss - Get array of BSSs objects
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "BSSs" property.
*/
dbus_bool_t wpas_dbus_getter_bsss(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct wpa_bss *bss;
char **paths;
unsigned int i = 0;
dbus_bool_t success = FALSE;
if (!wpa_s->dbus_new_path) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: no D-Bus interface", __func__);
return FALSE;
}
paths = os_calloc(wpa_s->num_bss, sizeof(char *));
if (!paths) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
/* Loop through scan results and append each result's object path */
dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (paths[i] == NULL) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
"no memory");
goto out;
}
/* Construct the object path for this BSS. */
os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
wpa_s->dbus_new_path, bss->id);
}
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_OBJECT_PATH,
paths, wpa_s->num_bss,
error);
out:
while (i)
os_free(paths[--i]);
os_free(paths);
return success;
}
/**
* wpas_dbus_getter_networks - Get array of networks objects
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Networks" property.
*/
dbus_bool_t wpas_dbus_getter_networks(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct wpa_ssid *ssid;
char **paths;
unsigned int i = 0, num = 0;
dbus_bool_t success = FALSE;
if (!wpa_s->dbus_new_path) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: no D-Bus interface", __func__);
return FALSE;
}
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
if (!network_is_persistent_group(ssid))
num++;
paths = os_calloc(num, sizeof(char *));
if (!paths) {
dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
/* Loop through configured networks and append object path of each */
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
if (network_is_persistent_group(ssid))
continue;
paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (paths[i] == NULL) {
dbus_set_error(error, DBUS_ERROR_NO_MEMORY,
"no memory");
goto out;
}
/* Construct the object path for this network. */
os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
wpa_s->dbus_new_path, ssid->id);
}
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_OBJECT_PATH,
paths, num, error);
out:
while (i)
os_free(paths[--i]);
os_free(paths);
return success;
}
/**
* wpas_dbus_getter_pkcs11_engine_path - Get PKCS #11 engine path
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: A dbus message containing the PKCS #11 engine path
*
* Getter for "PKCS11EnginePath" property.
*/
dbus_bool_t wpas_dbus_getter_pkcs11_engine_path(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
return wpas_dbus_string_property_getter(iter,
wpa_s->conf->pkcs11_engine_path,
error);
}
/**
* wpas_dbus_getter_pkcs11_module_path - Get PKCS #11 module path
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: A dbus message containing the PKCS #11 module path
*
* Getter for "PKCS11ModulePath" property.
*/
dbus_bool_t wpas_dbus_getter_pkcs11_module_path(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
return wpas_dbus_string_property_getter(iter,
wpa_s->conf->pkcs11_module_path,
error);
}
/**
* wpas_dbus_getter_blobs - Get all blobs defined for this interface
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Blobs" property.
*/
dbus_bool_t wpas_dbus_getter_blobs(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
struct wpa_config_blob *blob;
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
"a{say}", &variant_iter) ||
!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
"{say}", &dict_iter)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
blob = wpa_s->conf->blobs;
while (blob) {
if (!dbus_message_iter_open_container(&dict_iter,
DBUS_TYPE_DICT_ENTRY,
NULL, &entry_iter) ||
!dbus_message_iter_append_basic(&entry_iter,
DBUS_TYPE_STRING,
&(blob->name)) ||
!dbus_message_iter_open_container(&entry_iter,
DBUS_TYPE_ARRAY,
DBUS_TYPE_BYTE_AS_STRING,
&array_iter) ||
!dbus_message_iter_append_fixed_array(&array_iter,
DBUS_TYPE_BYTE,
&(blob->data),
blob->len) ||
!dbus_message_iter_close_container(&entry_iter,
&array_iter) ||
!dbus_message_iter_close_container(&dict_iter,
&entry_iter)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
"no memory");
return FALSE;
}
blob = blob->next;
}
if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
!dbus_message_iter_close_container(iter, &variant_iter)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
return TRUE;
}
dbus_bool_t wpas_dbus_getter_iface_global(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
int ret;
char buf[250];
char *p = buf;
if (!property_desc->data) {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
"Unhandled interface property %s",
property_desc->dbus_property);
return FALSE;
}
ret = wpa_config_get_value(property_desc->data, wpa_s->conf, buf,
sizeof(buf));
if (ret < 0)
*p = '\0';
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &p,
error);
}
dbus_bool_t wpas_dbus_setter_iface_global(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
const char *new_value = NULL;
char buf[250];
size_t combined_len;
int ret;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
&new_value))
return FALSE;
combined_len = os_strlen(property_desc->data) + os_strlen(new_value) +
3;
if (combined_len >= sizeof(buf)) {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
"Interface property %s value too large",
property_desc->dbus_property);
return FALSE;
}
if (!new_value[0])
new_value = "NULL";
ret = os_snprintf(buf, combined_len, "%s=%s", property_desc->data,
new_value);
if (os_snprintf_error(combined_len, ret)) {
dbus_set_error(error, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
"Failed to construct new interface property %s",
property_desc->dbus_property);
return FALSE;
}
if (wpa_config_process_global(wpa_s->conf, buf, -1)) {
dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
"Failed to set interface property %s",
property_desc->dbus_property);
return FALSE;
}
wpa_supplicant_update_config(wpa_s);
return TRUE;
}
static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
DBusError *error, const char *func_name)
{
struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
if (!res) {
wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
func_name, args->id);
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: BSS %d not found",
func_name, args->id);
}
return res;
}
/**
* wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "BSSID" property.
*/
dbus_bool_t wpas_dbus_getter_bss_bssid(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
res->bssid, ETH_ALEN,
error);
}
/**
* wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "SSID" property.
*/
dbus_bool_t wpas_dbus_getter_bss_ssid(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
res->ssid, res->ssid_len,
error);
}
/**
* wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Privacy" property.
*/
dbus_bool_t wpas_dbus_getter_bss_privacy(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
dbus_bool_t privacy;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
&privacy, error);
}
/**
* wpas_dbus_getter_bss_mode - Return the mode of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Mode" property.
*/
dbus_bool_t wpas_dbus_getter_bss_mode(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
const char *mode;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
if (bss_is_dmg(res)) {
switch (res->caps & IEEE80211_CAP_DMG_MASK) {
case IEEE80211_CAP_DMG_PBSS:
case IEEE80211_CAP_DMG_IBSS:
mode = "ad-hoc";
break;
case IEEE80211_CAP_DMG_AP:
mode = "infrastructure";
break;
}
} else {
if (res->caps & IEEE80211_CAP_IBSS)
mode = "ad-hoc";
else
mode = "infrastructure";
}
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
&mode, error);
}
/**
* wpas_dbus_getter_bss_level - Return the signal strength of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Level" property.
*/
dbus_bool_t wpas_dbus_getter_bss_signal(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
s16 level;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
level = (s16) res->level;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
&level, error);
}
/**
* wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Frequency" property.
*/
dbus_bool_t wpas_dbus_getter_bss_frequency(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
u16 freq;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
freq = (u16) res->freq;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
&freq, error);
}
static int cmp_u8s_desc(const void *a, const void *b)
{
return (*(u8 *) b - *(u8 *) a);
}
/**
* wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Rates" property.
*/
dbus_bool_t wpas_dbus_getter_bss_rates(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
u8 *ie_rates = NULL;
u32 *real_rates;
int rates_num, i;
dbus_bool_t success = FALSE;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
if (rates_num < 0)
return FALSE;
qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
real_rates = os_malloc(sizeof(u32) * rates_num);
if (!real_rates) {
os_free(ie_rates);
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
for (i = 0; i < rates_num; i++)
real_rates[i] = ie_rates[i] * 500000;
success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
real_rates, rates_num,
error);
os_free(ie_rates);
os_free(real_rates);
return success;
}
static dbus_bool_t wpas_dbus_get_bss_security_prop(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, struct wpa_ie_data *ie_data, DBusError *error)
{
DBusMessageIter iter_dict, variant_iter;
const char *group;
const char *pairwise[5]; /* max 5 pairwise ciphers is supported */
const char *key_mgmt[9]; /* max 9 key managements may be supported */
int n;
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
"a{sv}", &variant_iter))
goto nomem;
if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
goto nomem;
/* KeyMgmt */
n = 0;
if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
key_mgmt[n++] = "wpa-psk";
if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
key_mgmt[n++] = "wpa-ft-psk";
if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
key_mgmt[n++] = "wpa-psk-sha256";
if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
key_mgmt[n++] = "wpa-eap";
if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
key_mgmt[n++] = "wpa-ft-eap";
if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
key_mgmt[n++] = "wpa-eap-sha256";
#ifdef CONFIG_SUITEB
if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
key_mgmt[n++] = "wpa-eap-suite-b";
#endif /* CONFIG_SUITEB */
#ifdef CONFIG_SUITEB192
if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
key_mgmt[n++] = "wpa-eap-suite-b-192";
#endif /* CONFIG_SUITEB192 */
if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
key_mgmt[n++] = "wpa-none";
if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
key_mgmt, n))
goto nomem;
/* Group */
switch (ie_data->group_cipher) {
case WPA_CIPHER_WEP40:
group = "wep40";
break;
case WPA_CIPHER_TKIP:
group = "tkip";
break;
case WPA_CIPHER_CCMP:
group = "ccmp";
break;
case WPA_CIPHER_GCMP:
group = "gcmp";
break;
case WPA_CIPHER_WEP104:
group = "wep104";
break;
case WPA_CIPHER_CCMP_256:
group = "ccmp-256";
break;
case WPA_CIPHER_GCMP_256:
group = "gcmp-256";
break;
default:
group = "";
break;
}
if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
goto nomem;
/* Pairwise */
n = 0;
if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
pairwise[n++] = "tkip";
if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
pairwise[n++] = "ccmp";
if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
pairwise[n++] = "gcmp";
if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP_256)
pairwise[n++] = "ccmp-256";
if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP_256)
pairwise[n++] = "gcmp-256";
if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
pairwise, n))
goto nomem;
/* Management group (RSN only) */
if (ie_data->proto == WPA_PROTO_RSN) {
switch (ie_data->mgmt_group_cipher) {
#ifdef CONFIG_IEEE80211W
case WPA_CIPHER_AES_128_CMAC:
group = "aes128cmac";
break;
#endif /* CONFIG_IEEE80211W */
default:
group = "";
break;
}
if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
group))
goto nomem;
}
if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
!dbus_message_iter_close_container(iter, &variant_iter))
goto nomem;
return TRUE;
nomem:
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
/**
* wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "WPA" property.
*/
dbus_bool_t wpas_dbus_getter_bss_wpa(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
struct wpa_ie_data wpa_data;
const u8 *ie;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
os_memset(&wpa_data, 0, sizeof(wpa_data));
ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"failed to parse WPA IE");
return FALSE;
}
return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error);
}
/**
* wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "RSN" property.
*/
dbus_bool_t wpas_dbus_getter_bss_rsn(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
struct wpa_ie_data wpa_data;
const u8 *ie;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
os_memset(&wpa_data, 0, sizeof(wpa_data));
ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"failed to parse RSN IE");
return FALSE;
}
return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error);
}
/**
* wpas_dbus_getter_bss_wps - Return the WPS options of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "WPS" property.
*/
dbus_bool_t wpas_dbus_getter_bss_wps(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
#ifdef CONFIG_WPS
struct wpabuf *wps_ie;
#endif /* CONFIG_WPS */
DBusMessageIter iter_dict, variant_iter;
int wps_support = 0;
const char *type = "";
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
"a{sv}", &variant_iter) ||
!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
goto nomem;
#ifdef CONFIG_WPS
wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
if (wps_ie) {
wps_support = 1;
if (wps_is_selected_pbc_registrar(wps_ie))
type = "pbc";
else if (wps_is_selected_pin_registrar(wps_ie))
type = "pin";
wpabuf_free(wps_ie);
}
#endif /* CONFIG_WPS */
if ((wps_support && !wpa_dbus_dict_append_string(&iter_dict, "Type", type)) ||
!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
!dbus_message_iter_close_container(iter, &variant_iter))
goto nomem;
return TRUE;
nomem:
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
/**
* wpas_dbus_getter_bss_ies - Return all IEs of a BSS
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "IEs" property.
*/
dbus_bool_t wpas_dbus_getter_bss_ies(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
res + 1, res->ie_len,
error);
}
/**
* wpas_dbus_getter_bss_age - Return time in seconds since BSS was last seen
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for BSS age
*/
dbus_bool_t wpas_dbus_getter_bss_age(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct bss_handler_args *args = user_data;
struct wpa_bss *res;
struct os_reltime now, diff = { 0, 0 };
u32 age;
res = get_bss_helper(args, error, __func__);
if (!res)
return FALSE;
os_get_reltime(&now);
os_reltime_sub(&now, &res->last_update, &diff);
age = diff.sec > 0 ? diff.sec : 0;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, &age,
error);
}
/**
* wpas_dbus_getter_enabled - Check whether network is enabled or disabled
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "enabled" property of a configured network.
*/
dbus_bool_t wpas_dbus_getter_enabled(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct network_handler_args *net = user_data;
dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
&enabled, error);
}
/**
* wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter for "Enabled" property of a configured network.
*/
dbus_bool_t wpas_dbus_setter_enabled(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct network_handler_args *net = user_data;
struct wpa_supplicant *wpa_s;
struct wpa_ssid *ssid;
dbus_bool_t enable;
if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
&enable))
return FALSE;
wpa_s = net->wpa_s;
ssid = net->ssid;
if (enable)
wpa_supplicant_enable_network(wpa_s, ssid);
else
wpa_supplicant_disable_network(wpa_s, ssid);
return TRUE;
}
/**
* wpas_dbus_getter_network_properties - Get options for a configured network
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Properties" property of a configured network.
*/
dbus_bool_t wpas_dbus_getter_network_properties(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct network_handler_args *net = user_data;
DBusMessageIter variant_iter, dict_iter;
char **iterator;
char **props = wpa_config_get_all(net->ssid, 1);
dbus_bool_t success = FALSE;
if (!props) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
&variant_iter) ||
!wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
goto out;
}
iterator = props;
while (*iterator) {
if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
*(iterator + 1))) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
"no memory");
goto out;
}
iterator += 2;
}
if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
!dbus_message_iter_close_container(iter, &variant_iter)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
goto out;
}
success = TRUE;
out:
iterator = props;
while (*iterator) {
os_free(*iterator);
iterator++;
}
os_free(props);
return success;
}
/**
* wpas_dbus_setter_network_properties - Set options for a configured network
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter for "Properties" property of a configured network.
*/
dbus_bool_t wpas_dbus_setter_network_properties(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct network_handler_args *net = user_data;
struct wpa_ssid *ssid = net->ssid;
DBusMessageIter variant_iter;
dbus_message_iter_recurse(iter, &variant_iter);
return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
}
#ifdef CONFIG_AP
DBusMessage * wpas_dbus_handler_subscribe_preq(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
struct wpas_dbus_priv *priv = wpa_s->global->dbus;
char *name;
if (wpa_s->preq_notify_peer != NULL) {
if (os_strcmp(dbus_message_get_sender(message),
wpa_s->preq_notify_peer) == 0)
return NULL;
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
"Another application is already subscribed");
}
name = os_strdup(dbus_message_get_sender(message));
if (!name)
return wpas_dbus_error_no_memory(message);
wpa_s->preq_notify_peer = name;
/* Subscribe to clean up if application closes socket */
wpas_dbus_subscribe_noc(priv);
/*
* Double-check it's still alive to make sure that we didn't
* miss the NameOwnerChanged signal, e.g. while strdup'ing.
*/
if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
/*
* Application no longer exists, clean up.
* The return value is irrelevant now.
*
* Need to check if the NameOwnerChanged handling
* already cleaned up because we have processed
* DBus messages while checking if the name still
* has an owner.
*/
if (!wpa_s->preq_notify_peer)
return NULL;
os_free(wpa_s->preq_notify_peer);
wpa_s->preq_notify_peer = NULL;
wpas_dbus_unsubscribe_noc(priv);
}
return NULL;
}
DBusMessage * wpas_dbus_handler_unsubscribe_preq(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
struct wpas_dbus_priv *priv = wpa_s->global->dbus;
if (!wpa_s->preq_notify_peer)
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
"Not subscribed");
if (os_strcmp(wpa_s->preq_notify_peer,
dbus_message_get_sender(message)))
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
"Can't unsubscribe others");
os_free(wpa_s->preq_notify_peer);
wpa_s->preq_notify_peer = NULL;
wpas_dbus_unsubscribe_noc(priv);
return NULL;
}
void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
const u8 *addr, const u8 *dst, const u8 *bssid,
const u8 *ie, size_t ie_len, u32 ssi_signal)
{
DBusMessage *msg;
DBusMessageIter iter, dict_iter;
struct wpas_dbus_priv *priv = wpa_s->global->dbus;
/* Do nothing if the control interface is not turned on */
if (priv == NULL || !wpa_s->dbus_new_path)
return;
if (wpa_s->preq_notify_peer == NULL)
return;
msg = dbus_message_new_signal(wpa_s->dbus_new_path,
WPAS_DBUS_NEW_IFACE_INTERFACE,
"ProbeRequest");
if (msg == NULL)
return;
dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
dbus_message_iter_init_append(msg, &iter);
if (!wpa_dbus_dict_open_write(&iter, &dict_iter) ||
(addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
(const char *) addr,
ETH_ALEN)) ||
(dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
(const char *) dst,
ETH_ALEN)) ||
(bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
(const char *) bssid,
ETH_ALEN)) ||
(ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
(const char *) ie,
ie_len)) ||
(ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
ssi_signal)) ||
!wpa_dbus_dict_close_write(&iter, &dict_iter))
goto fail;
dbus_connection_send(priv->con, msg, NULL);
goto out;
fail:
wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
out:
dbus_message_unref(msg);
}
#endif /* CONFIG_AP */
DBusMessage * wpas_dbus_handler_vendor_elem_add(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
u8 *ielems;
int len;
struct ieee802_11_elems elems;
dbus_int32_t frame_id;
DBusMessageIter iter, array;
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &frame_id);
if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Invalid ID");
}
dbus_message_iter_next(&iter);
dbus_message_iter_recurse(&iter, &array);
dbus_message_iter_get_fixed_array(&array, &ielems, &len);
if (!ielems || len == 0) {
return dbus_message_new_error(
message, DBUS_ERROR_INVALID_ARGS, "Invalid value");
}
if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Parse error");
}
wpa_s = wpas_vendor_elem(wpa_s, frame_id);
if (!wpa_s->vendor_elem[frame_id]) {
wpa_s->vendor_elem[frame_id] = wpabuf_alloc_copy(ielems, len);
wpas_vendor_elem_update(wpa_s);
return NULL;
}
if (wpabuf_resize(&wpa_s->vendor_elem[frame_id], len) < 0) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Resize error");
}
wpabuf_put_data(wpa_s->vendor_elem[frame_id], ielems, len);
wpas_vendor_elem_update(wpa_s);
return NULL;
}
DBusMessage * wpas_dbus_handler_vendor_elem_get(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply;
DBusMessageIter iter, array_iter;
dbus_int32_t frame_id;
const u8 *elem;
size_t elem_len;
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &frame_id);
if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Invalid ID");
}
wpa_s = wpas_vendor_elem(wpa_s, frame_id);
if (!wpa_s->vendor_elem[frame_id]) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"ID value does not exist");
}
reply = dbus_message_new_method_return(message);
if (!reply)
return wpas_dbus_error_no_memory(message);
dbus_message_iter_init_append(reply, &iter);
elem = wpabuf_head_u8(wpa_s->vendor_elem[frame_id]);
elem_len = wpabuf_len(wpa_s->vendor_elem[frame_id]);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_BYTE_AS_STRING,
&array_iter) ||
!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
&elem, elem_len) ||
!dbus_message_iter_close_container(&iter, &array_iter)) {
dbus_message_unref(reply);
reply = wpas_dbus_error_no_memory(message);
}
return reply;
}
DBusMessage * wpas_dbus_handler_vendor_elem_remove(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
u8 *ielems;
int len;
struct ieee802_11_elems elems;
DBusMessageIter iter, array;
dbus_int32_t frame_id;
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &frame_id);
if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Invalid ID");
}
dbus_message_iter_next(&iter);
dbus_message_iter_recurse(&iter, &array);
dbus_message_iter_get_fixed_array(&array, &ielems, &len);
if (!ielems || len == 0) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Invalid value");
}
wpa_s = wpas_vendor_elem(wpa_s, frame_id);
if (len == 1 && *ielems == '*') {
wpabuf_free(wpa_s->vendor_elem[frame_id]);
wpa_s->vendor_elem[frame_id] = NULL;
wpas_vendor_elem_update(wpa_s);
return NULL;
}
if (!wpa_s->vendor_elem[frame_id]) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"ID value does not exist");
}
if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) {
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Parse error");
}
if (wpas_vendor_elem_remove(wpa_s, frame_id, ielems, len) == 0)
return NULL;
return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
"Not found");
}
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