peer-cfg: Use flags for boolean options

Makes it potentially easier to add new flags.

The mediation flag is not converted as the #ifdefs make it awkward.

src/libcharon/plugins/stroke/stroke_config.c

@@ -635,9 +635,9 @@ static peer_cfg_t *build_peer_cfg(private_stroke_config_t *this,
 	peer_cfg_create_t peer = {
 		.cert_policy = msg->add_conn.me.sendcert,
 		.keyingtries = msg->add_conn.rekey.tries,
-		.no_mobike = !msg->add_conn.mobike,
-		.aggressive = msg->add_conn.aggressive,
-		.push_mode = msg->add_conn.pushmode,
+		.options = (msg->add_conn.mobike ? 0 : OPT_NO_MOBIKE) |
+				   (msg->add_conn.aggressive ? OPT_IKEV1_AGGRESSIVE : 0) |
+				   (msg->add_conn.pushmode ? OPT_IKEV1_PUSH_MODE : 0),
 		.dpd = msg->add_conn.dpd.delay,
 		.dpd_timeout = msg->add_conn.dpd.timeout,
 	};

src/libcharon/plugins/stroke/stroke_list.c

@@ -566,7 +566,8 @@ METHOD(stroke_list_t, status, void,
 			fprintf(out, "%12s:  %s...%s  %N", peer_cfg->get_name(peer_cfg),
 					my_addr, other_addr, ike_version_names, ike_version);
 
-			if (ike_version == IKEV1 && peer_cfg->use_aggressive(peer_cfg))
+			if (ike_version == IKEV1 &&
+				peer_cfg->has_option(peer_cfg, OPT_IKEV1_AGGRESSIVE))
 			{
 				fprintf(out, " Aggressive");
 			}