treewide: Parse EnableNetworkConfiguration in one place

Add netconfig_enabled() and use that in all places that want to know
whether network configuration is enabled.  Drop the enable_network_config
deprecated setting, which was only being handled in one of these 5 or so
places.

src/ap.c

@@ -53,6 +53,7 @@
 #include "src/wscutil.h"
 #include "src/eap-wsc.h"
 #include "src/ip-pool.h"
+#include "src/netconfig.h"
 #include "src/ap.h"
 #include "src/storage.h"
 #include "src/diagnostic.h"
@@ -132,7 +133,6 @@ struct ap_wsc_pbc_probe_record {
 	uint64_t timestamp;
 };
 
-static bool netconfig_enabled;
 static char **global_addr4_strs;
 static uint32_t netdev_watch;
 static struct l_netlink *rtnl;
@@ -2826,7 +2826,7 @@ static int ap_load_ipv4(struct ap_state *ap, const struct l_settings *config)
 	unsigned int lease_time = 0;
 	struct in_addr ia;
 
-	if (!l_settings_has_group(config, "IPv4") || !netconfig_enabled)
+	if (!l_settings_has_group(config, "IPv4") || !netconfig_enabled())
 		return 0;
 
 	if (l_settings_has_key(config, "IPv4", "Address")) {
@@ -3829,12 +3829,7 @@ static int ap_init(void)
 	 * Enable network configuration and DHCP only if
 	 * [General].EnableNetworkConfiguration is true.
 	 */
-	if (!l_settings_get_bool(settings, "General",
-					"EnableNetworkConfiguration",
-					&netconfig_enabled))
-		netconfig_enabled = false;
-
-	if (netconfig_enabled) {
+	if (netconfig_enabled()) {
 		if (l_settings_get_value(settings, "IPv4", "APAddressPool")) {
 			global_addr4_strs = l_settings_get_string_list(settings,
 								"IPv4",

src/ip-pool.c

@@ -34,6 +34,7 @@
 #include "src/iwd.h"
 #include "src/module.h"
 #include "src/netdev.h"
+#include "src/netconfig.h"
 #include "src/ip-pool.h"
 
 struct ip_pool_addr4_record {
@@ -357,15 +358,7 @@ static void ip_pool_addr4_dump_cb(int error,
 
 static int ip_pool_init(void)
 {
-	const struct l_settings *settings = iwd_get_config();
-	bool netconfig_enabled;
-
-	if (!l_settings_get_bool(settings, "General",
-				"EnableNetworkConfiguration",
-				&netconfig_enabled))
-		netconfig_enabled = false;
-
-	if (!netconfig_enabled)
+	if (!netconfig_enabled())
 		return 0;
 
 	rtnl = iwd_get_rtnl();

src/main.c

@@ -42,6 +42,7 @@
 #include "src/rfkill.h"
 #include "src/storage.h"
 #include "src/anqp.h"
+#include "src/netconfig.h"
 
 #include "src/backtrace.h"
 
@@ -217,19 +218,13 @@ static struct l_dbus_message *iwd_dbus_get_info(struct l_dbus *dbus,
 	struct l_dbus_message *reply;
 	struct l_dbus_message_builder *builder;
 	L_AUTO_FREE_VAR(char *, storage_dir) = storage_get_path(NULL);
-	bool netconfig_enabled;
-
-	if (!l_settings_get_bool(iwd_config, "General",
-					"EnableNetworkConfiguration",
-					&netconfig_enabled))
-		netconfig_enabled = false;
+	bool b = netconfig_enabled();
 
 	reply = l_dbus_message_new_method_return(message);
 	builder = l_dbus_message_builder_new(reply);
 	l_dbus_message_builder_enter_array(builder, "{sv}");
 
-	dbus_append_dict_basic(builder, "NetworkConfigurationEnabled", 'b',
-				&netconfig_enabled);
+	dbus_append_dict_basic(builder, "NetworkConfigurationEnabled", 'b', &b);
 	dbus_append_dict_basic(builder, "StateDirectory", 's', storage_dir);
 	dbus_append_dict_basic(builder, "Version", 's', VERSION);
 

src/netconfig.c

@@ -1581,6 +1581,15 @@ void netconfig_destroy(struct netconfig *netconfig)
 	netconfig_free(netconfig);
 }
 
+bool netconfig_enabled(void)
+{
+	bool enabled;
+
+	return l_settings_get_bool(iwd_get_config(), "General",
+					"EnableNetworkConfiguration",
+					&enabled) && enabled;
+}
+
 static int netconfig_init(void)
 {
 	uint32_t r;

src/netconfig.h

@@ -46,3 +46,5 @@ void netconfig_handle_fils_ip_resp(struct netconfig *netconfig,
 
 struct netconfig *netconfig_new(uint32_t ifindex);
 void netconfig_destroy(struct netconfig *netconfig);
+
+bool netconfig_enabled(void);

src/resolve.c

@@ -35,6 +35,7 @@
 #include "src/iwd.h"
 #include "src/module.h"
 #include "src/dbus.h"
+#include "src/netconfig.h"
 #include "src/resolve.h"
 
 struct resolve_ops {
@@ -579,18 +580,9 @@ static const struct {
 static int resolve_init(void)
 {
 	const char *method_name;
-	bool enabled;
 	uint8_t i;
 
-	if (!l_settings_get_bool(iwd_get_config(), "General",
-					"EnableNetworkConfiguration",
-					&enabled)) {
-		if (!l_settings_get_bool(iwd_get_config(), "General",
-					"enable_network_config", &enabled))
-			enabled = false;
-	}
-
-	if (!enabled)
+	if (!netconfig_enabled())
 		return 0;
 
 	method_name = l_settings_get_value(iwd_get_config(), "Network",

src/station.c

@@ -63,7 +63,6 @@ static uint32_t netdev_watch;
 static uint32_t mfp_setting;
 static uint32_t roam_retry_interval;
 static bool anqp_disabled;
-static bool netconfig_enabled;
 static struct watchlist event_watches;
 
 struct station {
@@ -3872,7 +3871,7 @@ static struct station *station_create(struct netdev *netdev)
 	l_dbus_object_add_interface(dbus, netdev_get_path(netdev),
 					IWD_STATION_INTERFACE, station);
 
-	if (netconfig_enabled)
+	if (netconfig_enabled())
 		station->netconfig = netconfig_new(netdev_get_ifindex(netdev));
 
 	station->anqp_pending = l_queue_new();
@@ -4455,12 +4454,7 @@ static int station_init(void)
 				&anqp_disabled))
 		anqp_disabled = true;
 
-	if (!l_settings_get_bool(iwd_get_config(), "General",
-					"EnableNetworkConfiguration",
-					&netconfig_enabled))
-			netconfig_enabled = false;
-
-	if (!netconfig_enabled)
+	if (!netconfig_enabled())
 		l_info("station: Network configuration is disabled.");
 
 	watchlist_init(&event_watches, NULL);