owfd: p2pd: acknowledge p2p-prov-disc-show-pin in dummy

As a workaround for the dummy client, acknowledge all P2P provision
discovery requests to show PINs with the related connect command.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>

3 files changed, 46 insertions, 0 deletions

diff --git a/src/p2pd.h b/src/p2pd.h
index 50fbe4b..007b07d 100644
--- a/src/p2pd.h
+++ b/src/p2pd.h
@@ -94,6 +94,11 @@ void owfd_p2pd_interface_unregister_event_fn(struct owfd_p2pd_interface *iface,
 					     owfd_p2pd_interface_event_fn event_fn,
 					     void *data);
 
+int owfd_p2pd_interface_connect(struct owfd_p2pd_interface *iface,
+				const char *peer_mac,
+				const char *pin,
+				const char *pin_mode);
+
 /* dummy */
 
 struct owfd_p2pd_dummy;
diff --git a/src/p2pd_dummy.c b/src/p2pd_dummy.c
index c862342..7e1bf5d 100644
--- a/src/p2pd_dummy.c
+++ b/src/p2pd_dummy.c
@@ -51,6 +51,24 @@ static void dummy_event_fn(struct owfd_p2pd_interface *iface,
 			   void *data)
 {
 	struct owfd_p2pd_dummy *dummy = data;
+	int r;
+
+	switch (ev->type) {
+	case OWFD_WPA_EVENT_P2P_PROV_DISC_SHOW_PIN:
+		r = owfd_p2pd_interface_connect(dummy->iface,
+					ev->p.p2p_prov_disc_show_pin.peer_mac,
+					ev->p.p2p_prov_disc_show_pin.pin,
+					"display");
+		if (r < 0) {
+			log_error("cannot acknowledge SHOW-PIN with connect: %d",
+				  r);
+			return;
+		}
+
+		log_info("P2P SHOW-PIN acknowledged with connect");
+
+		break;
+	}
 }
 
 int owfd_p2pd_dummy_new(struct owfd_p2pd_dummy **out,
diff --git a/src/p2pd_interface.c b/src/p2pd_interface.c
index c1f1db1..6f1e56f 100644
--- a/src/p2pd_interface.c
+++ b/src/p2pd_interface.c
@@ -495,6 +495,29 @@ static int wpa_request(struct owfd_p2pd_interface *iface, const char *req,
 				     buf, len, -1);
 }
 
+int owfd_p2pd_interface_connect(struct owfd_p2pd_interface *iface,
+				const char *peer_mac,
+				const char *pin,
+				const char *pin_mode)
+{
+	char *req;
+	int r;
+
+	if (pin_mode)
+		r = asprintf(&req, "P2P_CONNECT %s %s %s",
+			     peer_mac, pin, pin_mode);
+	else
+		r = asprintf(&req, "P2P_CONNECT %s %s",
+			     peer_mac, pin);
+
+	if (r < 0)
+		return -ENOMEM;
+
+	r = wpa_request_ok(iface, req);
+	free(req);
+	return r;
+}
+
 static int wpa_setup(struct owfd_p2pd_interface *iface)
 {
 	int r;