expose peer interface address in P2P peer dbus property

[Jintao Lin]

Drop this one and resend a [new
one](https://lists.infradead.org/pipermail/hostap/2023-December/042149.html)
with correct format.

On Thu, Dec 21, 2023 at 1:16 PM Jintao Lin <jintaolin at chromium.org> wrote:
>
> Expose peer interface address in the dbus property so that platform can
> correlate this value with the IP address assigned to the clients.
>
> Change-Id: I81879976b994225ae5bb7ac635acb3c8f917c918
> Signed-off-by: Jintao Lin <jintaolin at chromium.org>
> ---
>  doc/dbus.doxygen                            |  5 +++++
>  wpa_supplicant/dbus/dbus_new.c              |  5 +++++
>  wpa_supplicant/dbus/dbus_new_handlers_p2p.c | 19 +++++++++++++++++++
>  wpa_supplicant/dbus/dbus_new_handlers_p2p.h |  1 +
>  4 files changed, 30 insertions(+)
>
> diff --git a/doc/dbus.doxygen b/doc/dbus.doxygen
> index ee3b0ca2c..76ff51117 100644
> --- a/doc/dbus.doxygen
> +++ b/doc/dbus.doxygen
> @@ -2296,6 +2296,11 @@ Interface implemented by objects representing P2P peer devices.
>      <p>The P2P Device Address of the peer.</p>
>    </li>
>
> +  <li>
> +    <h3>InterfaceAddress - ay - (read)</h3>
> +    <p>The P2P Interface Address of the peer.</p>
> +  </li>
> +
>    <li>
>      <h3>Groups - ao - (read)</h3>
>      <p>The current groups in which this peer is connected.</p>
> diff --git a/wpa_supplicant/dbus/dbus_new.c b/wpa_supplicant/dbus/dbus_new.c
> index 8fc29b398..4e6780ce0 100644
> --- a/wpa_supplicant/dbus/dbus_new.c
> +++ b/wpa_supplicant/dbus/dbus_new.c
> @@ -4545,6 +4545,11 @@ static const struct wpa_dbus_property_desc wpas_dbus_p2p_peer_properties[] = {
>           NULL,
>           NULL
>         },
> +       { "InterfaceAddress", WPAS_DBUS_NEW_IFACE_P2P_PEER, "ay",
> +         wpas_dbus_getter_p2p_peer_interface_address,
> +         NULL,
> +         NULL
> +       },
>         { "Groups", WPAS_DBUS_NEW_IFACE_P2P_PEER, "ao",
>           wpas_dbus_getter_p2p_peer_groups,
>           NULL,
> diff --git a/wpa_supplicant/dbus/dbus_new_handlers_p2p.c b/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
> index ad5d47462..4bd754095 100644
> --- a/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
> +++ b/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
> @@ -1898,6 +1898,25 @@ dbus_bool_t wpas_dbus_getter_p2p_peer_ies(
>  }
>
>
> +dbus_bool_t wpas_dbus_getter_p2p_peer_interface_address(
> +       const struct wpa_dbus_property_desc *property_desc,
> +       DBusMessageIter *iter, DBusError *error, void *user_data)
> +{
> +       struct peer_handler_args *peer_args = user_data;
> +       u8 iface_addr[ETH_ALEN];
> +
> +       if (p2p_get_interface_addr(peer_args->wpa_s->global->p2p,
> +                                  peer_args->p2p_device_addr, iface_addr) < 0) {
> +               dbus_set_error(error, DBUS_ERROR_FAILED,
> +                              "failed to find peer");
> +               return FALSE;
> +       }
> +
> +       return wpas_dbus_simple_array_property_getter(
> +               iter, DBUS_TYPE_BYTE, iface_addr, ETH_ALEN, error);
> +}
> +
> +
>  dbus_bool_t wpas_dbus_getter_p2p_peer_device_address(
>         const struct wpa_dbus_property_desc *property_desc,
>         DBusMessageIter *iter, DBusError *error, void *user_data)
> diff --git a/wpa_supplicant/dbus/dbus_new_handlers_p2p.h b/wpa_supplicant/dbus/dbus_new_handlers_p2p.h
> index b3c45c110..beddc8e7a 100644
> --- a/wpa_supplicant/dbus/dbus_new_handlers_p2p.h
> +++ b/wpa_supplicant/dbus/dbus_new_handlers_p2p.h
> @@ -113,6 +113,7 @@ DECLARE_ACCESSOR(wpas_dbus_getter_p2p_peer_secondary_device_types);
>  DECLARE_ACCESSOR(wpas_dbus_getter_p2p_peer_vendor_extension);
>  DECLARE_ACCESSOR(wpas_dbus_getter_p2p_peer_ies);
>  DECLARE_ACCESSOR(wpas_dbus_getter_p2p_peer_device_address);
> +DECLARE_ACCESSOR(wpas_dbus_getter_p2p_peer_interface_address);
>  DECLARE_ACCESSOR(wpas_dbus_getter_p2p_peer_groups);
>  DECLARE_ACCESSOR(wpas_dbus_getter_p2p_peer_vsie);
>
> --
> 2.43.0.472.g3155946c3a-goog
>