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dbus: Add D-Bus property for current MAC address

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Since wpa_supplicant can change MAC address of the interface on its own
(with randomization enabled) it makes sense to introduce MACAddress as a
property of the interface and send notifications about its change.

This allows other applications to just use D-Bus instead of both
communicating over D-Bus with wpa_supplicant and listening to Netlink
notifications for MAC changes.

Signed-off-by: Andrzej Ostruszka <amo@semihalf.com>
This commit is contained in:
Andrzej Ostruszka 2022-12-01 16:43:44 +01:00 • committed by Jouni Malinen
parent 12d8b8a91e
commit 1897abad94
8 changed files with 52 additions and 0 deletions
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21
wpa_supplicant/dbus/dbus_new_handlers.c
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@ -4753,6 +4753,27 @@ dbus_bool_t wpas_dbus_getter_mac_address_randomization_mask(
}
/**
* wpas_dbus_getter_mac_address - Get MAC address of an interface
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: a list of stations
*
* Getter for "MACAddress" property.
*/
dbus_bool_t wpas_dbus_getter_mac_address(
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_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
wpa_s->own_addr, ETH_ALEN,
error);
}
/**
* wpas_dbus_getter_sta_address - Return the address of a connected station
* @iter: Pointer to incoming dbus message iter