Add PMKSA_FLUSH ctrl_iface command

"PMKSA_FLUSH" can now be used to flush PMKSA cache entries over the
control interface.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

wpa_supplicant/ctrl_iface.c

@@ -6507,6 +6507,8 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 	} else if (os_strcmp(buf, "PMKSA") == 0) {
 		reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
 						    reply_size);
+	} else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
+		wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
 		if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
 			reply_len = -1;

wpa_supplicant/wpa_cli.c

@@ -532,6 +532,13 @@ static int wpa_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[])
 }
 
 
+static int wpa_cli_cmd_pmksa_flush(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "PMKSA_FLUSH");
+}
+
+
 static int wpa_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
 {
 	print_help(argc > 0 ? argv[0] : NULL);
@@ -2519,6 +2526,9 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
 	{ "pmksa", wpa_cli_cmd_pmksa, NULL,
 	  cli_cmd_flag_none,
 	  "= show PMKSA cache" },
+	{ "pmksa_flush", wpa_cli_cmd_pmksa_flush, NULL,
+	  cli_cmd_flag_none,
+	  "= flush PMKSA cache entries" },
 	{ "reassociate", wpa_cli_cmd_reassociate, NULL,
 	  cli_cmd_flag_none,
 	  "= force reassociation" },