Imported Upstream version 1.24
[platform/upstream/connman.git] / src / connection.c
index c7b1f62..e98ccb5 100644 (file)
@@ -2,8 +2,8 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
- *  Copyright (C) 2011  BMW Car IT GmbH. All rights reserved.
+ *  Copyright (C) 2007-2013  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2011-2013  BMW Car IT GmbH. All rights reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
 #include "connman.h"
 
 struct gateway_config {
-       gboolean active;
+       bool active;
        char *gateway;
 
        /* VPN extra data */
-       gboolean vpn;
+       bool vpn;
        char *vpn_ip;
        int vpn_phy_index;
        char *vpn_phy_ip;
@@ -49,7 +49,7 @@ struct gateway_data {
        unsigned int order;
        struct gateway_config *ipv4_gateway;
        struct gateway_config *ipv6_gateway;
-       connman_bool_t default_checked;
+       bool default_checked;
 };
 
 static GHashTable *gateway_hash = NULL;
@@ -59,22 +59,22 @@ static struct gateway_config *find_gateway(int index, const char *gateway)
        GHashTableIter iter;
        gpointer value, key;
 
-       if (gateway == NULL)
+       if (!gateway)
                return NULL;
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
-               if (data->ipv4_gateway != NULL && data->index == index &&
+               if (data->ipv4_gateway && data->index == index &&
                                g_str_equal(data->ipv4_gateway->gateway,
-                                       gateway) == TRUE)
+                                       gateway))
                        return data->ipv4_gateway;
 
-               if (data->ipv6_gateway != NULL && data->index == index &&
+               if (data->ipv6_gateway && data->index == index &&
                                g_str_equal(data->ipv6_gateway->gateway,
-                                       gateway) == TRUE)
+                                       gateway))
                        return data->ipv6_gateway;
        }
 
@@ -86,19 +86,19 @@ static struct gateway_data *lookup_gateway_data(struct gateway_config *config)
        GHashTableIter iter;
        gpointer value, key;
 
-       if (config == NULL)
+       if (!config)
                return NULL;
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
-               if (data->ipv4_gateway != NULL &&
+               if (data->ipv4_gateway &&
                                data->ipv4_gateway == config)
                        return data;
 
-               if (data->ipv6_gateway != NULL &&
+               if (data->ipv6_gateway &&
                                data->ipv6_gateway == config)
                        return data;
        }
@@ -111,22 +111,22 @@ static struct gateway_data *find_vpn_gateway(int index, const char *gateway)
        GHashTableIter iter;
        gpointer value, key;
 
-       if (gateway == NULL)
+       if (!gateway)
                return NULL;
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
-               if (data->ipv4_gateway != NULL && data->index == index &&
+               if (data->ipv4_gateway && data->index == index &&
                                g_str_equal(data->ipv4_gateway->gateway,
-                                       gateway) == TRUE)
+                                       gateway))
                        return data;
 
-               if (data->ipv6_gateway != NULL && data->index == index &&
+               if (data->ipv6_gateway && data->index == index &&
                                g_str_equal(data->ipv6_gateway->gateway,
-                                       gateway) == TRUE)
+                                       gateway))
                        return data;
        }
 
@@ -152,7 +152,7 @@ static void get_gateway_cb(const char *gateway, int index, void *user_data)
                params->vpn_index, params->vpn_gateway);
 
        data = find_vpn_gateway(params->vpn_index, params->vpn_gateway);
-       if (data == NULL) {
+       if (!data) {
                DBG("Cannot find VPN link route, index %d addr %s",
                        params->vpn_index, params->vpn_gateway);
                goto out;
@@ -199,18 +199,18 @@ static void set_vpn_routes(struct gateway_data *new_gateway,
        } else
                return;
 
-       if (config != NULL) {
+       if (config) {
                int index = __connman_ipconfig_get_index(ipconfig);
                struct get_gateway_params *params;
 
-               config->vpn = TRUE;
-               if (peer != NULL)
+               config->vpn = true;
+               if (peer)
                        config->vpn_ip = g_strdup(peer);
-               else if (gateway != NULL)
+               else if (gateway)
                        config->vpn_ip = g_strdup(gateway);
 
                params = g_try_malloc(sizeof(struct get_gateway_params));
-               if (params == NULL)
+               if (!params)
                        return;
 
                params->vpn_index = index;
@@ -222,7 +222,7 @@ static void set_vpn_routes(struct gateway_data *new_gateway,
                __connman_inet_get_route(gateway, get_gateway_cb, params);
        }
 
-       if (active_gateway == NULL)
+       if (!active_gateway)
                return;
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
@@ -232,7 +232,7 @@ static void set_vpn_routes(struct gateway_data *new_gateway,
                 * the VPN. The route might already exist depending
                 * on network topology.
                 */
-               if (active_gateway->ipv4_gateway == NULL)
+               if (!active_gateway->ipv4_gateway)
                        return;
 
                DBG("active gw %s", active_gateway->ipv4_gateway->gateway);
@@ -248,7 +248,7 @@ static void set_vpn_routes(struct gateway_data *new_gateway,
 
        } else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
 
-               if (active_gateway->ipv6_gateway == NULL)
+               if (!active_gateway->ipv6_gateway)
                        return;
 
                DBG("active gw %s", active_gateway->ipv6_gateway->gateway);
@@ -268,17 +268,17 @@ static int del_routes(struct gateway_data *data,
                        enum connman_ipconfig_type type)
 {
        int status4 = 0, status6 = 0;
-       int do_ipv4 = FALSE, do_ipv6 = FALSE;
+       bool do_ipv4 = false, do_ipv6 = false;
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
-               do_ipv4 = TRUE;
+               do_ipv4 = true;
        else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
-               do_ipv6 = TRUE;
+               do_ipv6 = true;
        else
-               do_ipv4 = do_ipv6 = TRUE;
+               do_ipv4 = do_ipv6 = true;
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL) {
-               if (data->ipv4_gateway->vpn == TRUE) {
+       if (do_ipv4 && data->ipv4_gateway) {
+               if (data->ipv4_gateway->vpn) {
                        status4 = connman_inet_clear_gateway_address(
                                                data->index,
                                                data->ipv4_gateway->vpn_ip);
@@ -296,8 +296,8 @@ static int del_routes(struct gateway_data *data,
                }
        }
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL) {
-               if (data->ipv6_gateway->vpn == TRUE) {
+       if (do_ipv6 && data->ipv6_gateway) {
+               if (data->ipv6_gateway->vpn) {
                        status6 = connman_inet_clear_ipv6_gateway_address(
                                                data->index,
                                                data->ipv6_gateway->vpn_ip);
@@ -320,20 +320,20 @@ static int del_routes(struct gateway_data *data,
 static int disable_gateway(struct gateway_data *data,
                        enum connman_ipconfig_type type)
 {
-       gboolean active = FALSE;
+       bool active = false;
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
-               if (data->ipv4_gateway != NULL)
+               if (data->ipv4_gateway)
                        active = data->ipv4_gateway->active;
        } else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
-               if (data->ipv6_gateway != NULL)
+               if (data->ipv6_gateway)
                        active = data->ipv6_gateway->active;
        } else
-               active = TRUE;
+               active = true;
 
        DBG("type %d active %d", type, active);
 
-       if (active == TRUE)
+       if (active)
                return del_routes(data, type);
 
        return 0;
@@ -346,17 +346,17 @@ static struct gateway_data *add_gateway(struct connman_service *service,
        struct gateway_data *data, *old;
        struct gateway_config *config;
 
-       if (gateway == NULL || strlen(gateway) == 0)
+       if (!gateway || strlen(gateway) == 0)
                return NULL;
 
        data = g_try_new0(struct gateway_data, 1);
-       if (data == NULL)
+       if (!data)
                return NULL;
 
        data->index = index;
 
        config = g_try_new0(struct gateway_config, 1);
-       if (config == NULL) {
+       if (!config) {
                g_free(data);
                return NULL;
        }
@@ -364,9 +364,9 @@ static struct gateway_data *add_gateway(struct connman_service *service,
        config->gateway = g_strdup(gateway);
        config->vpn_ip = NULL;
        config->vpn_phy_ip = NULL;
-       config->vpn = FALSE;
+       config->vpn = false;
        config->vpn_phy_index = -1;
-       config->active = FALSE;
+       config->active = false;
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
                data->ipv4_gateway = config;
@@ -390,7 +390,7 @@ static struct gateway_data *add_gateway(struct connman_service *service,
         * from old gateway settings.
         */
        old = g_hash_table_lookup(gateway_hash, service);
-       if (old != NULL) {
+       if (old) {
                DBG("Replacing gw %p ipv4 %p ipv6 %p", old,
                        old->ipv4_gateway, old->ipv6_gateway);
                disable_gateway(old, type);
@@ -418,22 +418,22 @@ static void set_default_gateway(struct gateway_data *data,
 {
        int index;
        int status4 = 0, status6 = 0;
-       int do_ipv4 = FALSE, do_ipv6 = FALSE;
+       bool do_ipv4 = false, do_ipv6 = false;
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
-               do_ipv4 = TRUE;
+               do_ipv4 = true;
        else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
-               do_ipv6 = TRUE;
+               do_ipv6 = true;
        else
-               do_ipv4 = do_ipv6 = TRUE;
+               do_ipv4 = do_ipv6 = true;
 
        DBG("type %d gateway ipv4 %p ipv6 %p", type, data->ipv4_gateway,
                                                data->ipv6_gateway);
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL &&
-                                       data->ipv4_gateway->vpn == TRUE) {
+       if (do_ipv4 && data->ipv4_gateway &&
+                                       data->ipv4_gateway->vpn) {
                connman_inet_set_gateway_interface(data->index);
-               data->ipv4_gateway->active = TRUE;
+               data->ipv4_gateway->active = true;
 
                DBG("set %p index %d vpn %s index %d phy %s",
                        data, data->index, data->ipv4_gateway->vpn_ip,
@@ -445,10 +445,10 @@ static void set_default_gateway(struct gateway_data *data,
                return;
        }
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL &&
-                                       data->ipv6_gateway->vpn == TRUE) {
+       if (do_ipv6 && data->ipv6_gateway &&
+                                       data->ipv6_gateway->vpn) {
                connman_inet_set_ipv6_gateway_interface(data->index);
-               data->ipv6_gateway->active = TRUE;
+               data->ipv6_gateway->active = true;
 
                DBG("set %p index %d vpn %s index %d phy %s",
                        data, data->index, data->ipv6_gateway->vpn_ip,
@@ -462,7 +462,7 @@ static void set_default_gateway(struct gateway_data *data,
 
        index = __connman_service_get_index(data->service);
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL &&
+       if (do_ipv4 && data->ipv4_gateway &&
                        g_strcmp0(data->ipv4_gateway->gateway,
                                                        "0.0.0.0") == 0) {
                if (connman_inet_set_gateway_interface(index) < 0)
@@ -470,7 +470,7 @@ static void set_default_gateway(struct gateway_data *data,
                goto done;
        }
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL &&
+       if (do_ipv6 && data->ipv6_gateway &&
                        g_strcmp0(data->ipv6_gateway->gateway,
                                                        "::") == 0) {
                if (connman_inet_set_ipv6_gateway_interface(index) < 0)
@@ -478,13 +478,13 @@ static void set_default_gateway(struct gateway_data *data,
                goto done;
        }
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL)
-               status6 = connman_inet_set_ipv6_gateway_address(index,
-                                               data->ipv6_gateway->gateway);
+       if (do_ipv6 && data->ipv6_gateway)
+               status6 = __connman_inet_add_default_to_table(RT_TABLE_MAIN,
+                                       index, data->ipv6_gateway->gateway);
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL)
-               status4 = connman_inet_set_gateway_address(index,
-                                               data->ipv4_gateway->gateway);
+       if (do_ipv4 && data->ipv4_gateway)
+               status4 = __connman_inet_add_default_to_table(RT_TABLE_MAIN,
+                                       index, data->ipv4_gateway->gateway);
 
        if (status4 < 0 || status6 < 0)
                return;
@@ -497,22 +497,22 @@ static void unset_default_gateway(struct gateway_data *data,
                                enum connman_ipconfig_type type)
 {
        int index;
-       int do_ipv4 = FALSE, do_ipv6 = FALSE;
+       bool do_ipv4 = false, do_ipv6 = false;
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
-               do_ipv4 = TRUE;
+               do_ipv4 = true;
        else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
-               do_ipv6 = TRUE;
+               do_ipv6 = true;
        else
-               do_ipv4 = do_ipv6 = TRUE;
+               do_ipv4 = do_ipv6 = true;
 
        DBG("type %d gateway ipv4 %p ipv6 %p", type, data->ipv4_gateway,
                                                data->ipv6_gateway);
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL &&
-                                       data->ipv4_gateway->vpn == TRUE) {
+       if (do_ipv4 && data->ipv4_gateway &&
+                                       data->ipv4_gateway->vpn) {
                connman_inet_clear_gateway_interface(data->index);
-               data->ipv4_gateway->active = FALSE;
+               data->ipv4_gateway->active = false;
 
                DBG("unset %p index %d vpn %s index %d phy %s",
                        data, data->index, data->ipv4_gateway->vpn_ip,
@@ -522,10 +522,10 @@ static void unset_default_gateway(struct gateway_data *data,
                return;
        }
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL &&
-                                       data->ipv6_gateway->vpn == TRUE) {
+       if (do_ipv6 && data->ipv6_gateway &&
+                                       data->ipv6_gateway->vpn) {
                connman_inet_clear_ipv6_gateway_interface(data->index);
-               data->ipv6_gateway->active = FALSE;
+               data->ipv6_gateway->active = false;
 
                DBG("unset %p index %d vpn %s index %d phy %s",
                        data, data->index, data->ipv6_gateway->vpn_ip,
@@ -537,25 +537,25 @@ static void unset_default_gateway(struct gateway_data *data,
 
        index = __connman_service_get_index(data->service);
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL &&
+       if (do_ipv4 && data->ipv4_gateway &&
                        g_strcmp0(data->ipv4_gateway->gateway,
                                                        "0.0.0.0") == 0) {
                connman_inet_clear_gateway_interface(index);
                return;
        }
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL &&
+       if (do_ipv6 && data->ipv6_gateway &&
                        g_strcmp0(data->ipv6_gateway->gateway,
                                                        "::") == 0) {
                connman_inet_clear_ipv6_gateway_interface(index);
                return;
        }
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL)
+       if (do_ipv6 && data->ipv6_gateway)
                connman_inet_clear_ipv6_gateway_address(index,
                                                data->ipv6_gateway->gateway);
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL)
+       if (do_ipv4 && data->ipv4_gateway)
                connman_inet_clear_gateway_address(index,
                                                data->ipv4_gateway->gateway);
 }
@@ -569,10 +569,10 @@ static struct gateway_data *find_default_gateway(void)
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
-               if (found == NULL || data->order > order) {
+               if (!found || data->order > order) {
                        found = data;
                        order = data->order;
 
@@ -583,48 +583,48 @@ static struct gateway_data *find_default_gateway(void)
        return found;
 }
 
-static gboolean choose_default_gateway(struct gateway_data *data,
+static bool choose_default_gateway(struct gateway_data *data,
                                        struct gateway_data *candidate)
 {
-       gboolean downgraded = FALSE;
+       bool downgraded = false;
 
        /*
         * If the current default is not active, then we mark
         * this one as default. If the other one is already active
         * we mark this one as non default.
         */
-       if (data->ipv4_gateway != NULL) {
-               if (candidate->ipv4_gateway != NULL &&
-                               candidate->ipv4_gateway->active == FALSE) {
+       if (data->ipv4_gateway) {
+               if (candidate->ipv4_gateway &&
+                               !candidate->ipv4_gateway->active) {
                        DBG("ipv4 downgrading %p", candidate);
                        unset_default_gateway(candidate,
                                                CONNMAN_IPCONFIG_TYPE_IPV4);
                }
-               if (candidate->ipv4_gateway != NULL &&
-                               candidate->ipv4_gateway->active == TRUE &&
+               if (candidate->ipv4_gateway &&
+                               candidate->ipv4_gateway->active &&
                                candidate->order > data->order) {
                        DBG("ipv4 downgrading this %p", data);
                        unset_default_gateway(data,
                                                CONNMAN_IPCONFIG_TYPE_IPV4);
-                       downgraded = TRUE;
+                       downgraded = true;
                }
        }
 
-       if (data->ipv6_gateway != NULL) {
-               if (candidate->ipv6_gateway != NULL &&
-                               candidate->ipv6_gateway->active == FALSE) {
+       if (data->ipv6_gateway) {
+               if (candidate->ipv6_gateway &&
+                               !candidate->ipv6_gateway->active) {
                        DBG("ipv6 downgrading %p", candidate);
                        unset_default_gateway(candidate,
                                                CONNMAN_IPCONFIG_TYPE_IPV6);
                }
 
-               if (candidate->ipv6_gateway != NULL &&
-                               candidate->ipv6_gateway->active == TRUE &&
+               if (candidate->ipv6_gateway &&
+                               candidate->ipv6_gateway->active &&
                                candidate->order > data->order) {
                        DBG("ipv6 downgrading this %p", data);
                        unset_default_gateway(data,
                                                CONNMAN_IPCONFIG_TYPE_IPV6);
-                       downgraded = TRUE;
+                       downgraded = true;
                }
        }
 
@@ -637,15 +637,15 @@ static void connection_newgateway(int index, const char *gateway)
        struct gateway_data *data;
        GHashTableIter iter;
        gpointer value, key;
-       gboolean found = FALSE;
+       bool found = false;
 
        DBG("index %d gateway %s", index, gateway);
 
        config = find_gateway(index, gateway);
-       if (config == NULL)
+       if (!config)
                return;
 
-       config->active = TRUE;
+       config->active = true;
 
        /*
         * It is possible that we have two default routes atm
@@ -653,10 +653,10 @@ static void connection_newgateway(int index, const char *gateway)
         * same time.
         */
        data = lookup_gateway_data(config);
-       if (data == NULL)
+       if (!data)
                return;
 
-       if (data->default_checked == TRUE)
+       if (data->default_checked)
                return;
 
        /*
@@ -666,26 +666,26 @@ static void connection_newgateway(int index, const char *gateway)
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *candidate = value;
 
                if (candidate == data)
                        continue;
 
                found = choose_default_gateway(data, candidate);
-               if (found == TRUE)
+               if (found)
                        break;
        }
 
-       if (found == FALSE) {
-               if (data->ipv4_gateway != NULL)
+       if (!found) {
+               if (data->ipv4_gateway)
                        set_default_gateway(data, CONNMAN_IPCONFIG_TYPE_IPV4);
 
-               if (data->ipv6_gateway != NULL)
+               if (data->ipv6_gateway)
                        set_default_gateway(data, CONNMAN_IPCONFIG_TYPE_IPV6);
        }
 
-       data->default_checked = TRUE;
+       data->default_checked = true;
 }
 
 static void remove_gateway(gpointer user_data)
@@ -694,14 +694,14 @@ static void remove_gateway(gpointer user_data)
 
        DBG("gateway ipv4 %p ipv6 %p", data->ipv4_gateway, data->ipv6_gateway);
 
-       if (data->ipv4_gateway != NULL) {
+       if (data->ipv4_gateway) {
                g_free(data->ipv4_gateway->gateway);
                g_free(data->ipv4_gateway->vpn_ip);
                g_free(data->ipv4_gateway->vpn_phy_ip);
                g_free(data->ipv4_gateway);
        }
 
-       if (data->ipv6_gateway != NULL) {
+       if (data->ipv6_gateway) {
                g_free(data->ipv6_gateway->gateway);
                g_free(data->ipv6_gateway->vpn_ip);
                g_free(data->ipv6_gateway->vpn_phy_ip);
@@ -719,11 +719,11 @@ static void connection_delgateway(int index, const char *gateway)
        DBG("index %d gateway %s", index, gateway);
 
        config = find_gateway(index, gateway);
-       if (config != NULL)
-               config->active = FALSE;
+       if (config)
+               config->active = false;
 
        data = find_default_gateway();
-       if (data != NULL)
+       if (data)
                set_default_gateway(data, CONNMAN_IPCONFIG_TYPE_ALL);
 }
 
@@ -742,15 +742,15 @@ static struct gateway_data *find_active_gateway(void)
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
-               if (data->ipv4_gateway != NULL &&
-                               data->ipv4_gateway->active == TRUE)
+               if (data->ipv4_gateway &&
+                               data->ipv4_gateway->active)
                        return data;
 
-               if (data->ipv6_gateway != NULL &&
-                               data->ipv6_gateway->active == TRUE)
+               if (data->ipv6_gateway &&
+                               data->ipv6_gateway->active)
                        return data;
        }
 
@@ -766,7 +766,7 @@ static void update_order(void)
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
                data->order = __connman_service_get_order(data->service);
@@ -779,16 +779,16 @@ void __connman_connection_gateway_activate(struct connman_service *service,
        struct gateway_data *data = NULL;
 
        data = g_hash_table_lookup(gateway_hash, service);
-       if (data == NULL)
+       if (!data)
                return;
 
        DBG("gateway %p/%p type %d", data->ipv4_gateway,
                                        data->ipv6_gateway, type);
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
-               data->ipv4_gateway->active = TRUE;
+               data->ipv4_gateway->active = true;
        else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
-               data->ipv6_gateway->active = TRUE;
+               data->ipv6_gateway->active = true;
 }
 
 static void add_host_route(int family, int index, const char *gateway,
@@ -859,17 +859,17 @@ int __connman_connection_gateway_add(struct connman_service *service,
         * gateway for ipv4 is 0.0.0.0 and for ipv6 is ::, meaning the
         * interface
         */
-       if (gateway == NULL && type == CONNMAN_IPCONFIG_TYPE_IPV4)
+       if (!gateway && type == CONNMAN_IPCONFIG_TYPE_IPV4)
                gateway = "0.0.0.0";
 
-       if (gateway == NULL && type == CONNMAN_IPCONFIG_TYPE_IPV6)
+       if (!gateway && type == CONNMAN_IPCONFIG_TYPE_IPV6)
                gateway = "::";
 
        DBG("service %p index %d gateway %s vpn ip %s type %d",
                service, index, gateway, peer, type);
 
        new_gateway = add_gateway(service, index, gateway, type);
-       if (new_gateway == NULL)
+       if (!new_gateway)
                return -EINVAL;
 
        active_gateway = find_active_gateway();
@@ -878,7 +878,7 @@ int __connman_connection_gateway_add(struct connman_service *service,
                active_gateway ? active_gateway->index : -1, new_gateway);
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
-                               new_gateway->ipv4_gateway != NULL) {
+                               new_gateway->ipv4_gateway) {
                add_host_route(AF_INET, index, gateway, service_type);
                __connman_service_nameserver_add_routes(service,
                                        new_gateway->ipv4_gateway->gateway);
@@ -886,7 +886,7 @@ int __connman_connection_gateway_add(struct connman_service *service,
        }
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
-                               new_gateway->ipv6_gateway != NULL) {
+                               new_gateway->ipv6_gateway) {
                add_host_route(AF_INET6, index, gateway, service_type);
                __connman_service_nameserver_add_routes(service,
                                        new_gateway->ipv6_gateway->gateway);
@@ -900,34 +900,32 @@ int __connman_connection_gateway_add(struct connman_service *service,
 
        } else {
                if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
-                                       new_gateway->ipv4_gateway != NULL)
-                       new_gateway->ipv4_gateway->vpn = FALSE;
+                                       new_gateway->ipv4_gateway)
+                       new_gateway->ipv4_gateway->vpn = false;
 
                if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
-                                       new_gateway->ipv6_gateway != NULL)
-                       new_gateway->ipv6_gateway->vpn = FALSE;
+                                       new_gateway->ipv6_gateway)
+                       new_gateway->ipv6_gateway->vpn = false;
        }
 
-       if (active_gateway == NULL) {
+       if (!active_gateway) {
                set_default_gateway(new_gateway, type);
                goto done;
        }
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
-                               new_gateway->ipv4_gateway != NULL &&
-                               new_gateway->ipv4_gateway->vpn == TRUE) {
-               if (__connman_service_is_split_routing(new_gateway->service) ==
-                                                                       FALSE)
+                               new_gateway->ipv4_gateway &&
+                               new_gateway->ipv4_gateway->vpn) {
+               if (!__connman_service_is_split_routing(new_gateway->service))
                        connman_inet_clear_gateway_address(
                                        active_gateway->index,
                                        active_gateway->ipv4_gateway->gateway);
        }
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
-                               new_gateway->ipv6_gateway != NULL &&
-                               new_gateway->ipv6_gateway->vpn == TRUE) {
-               if (__connman_service_is_split_routing(new_gateway->service) ==
-                                                                       FALSE)
+                               new_gateway->ipv6_gateway &&
+                               new_gateway->ipv6_gateway->vpn) {
+               if (!__connman_service_is_split_routing(new_gateway->service))
                        connman_inet_clear_ipv6_gateway_address(
                                        active_gateway->index,
                                        active_gateway->ipv6_gateway->gateway);
@@ -950,29 +948,29 @@ void __connman_connection_gateway_remove(struct connman_service *service,
                                        enum connman_ipconfig_type type)
 {
        struct gateway_data *data = NULL;
-       gboolean set_default4 = FALSE, set_default6 = FALSE;
-       int do_ipv4 = FALSE, do_ipv6 = FALSE;
+       bool set_default4 = false, set_default6 = false;
+        bool do_ipv4 = false, do_ipv6 = false;
        int err;
 
        DBG("service %p type %d", service, type);
 
        if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
-               do_ipv4 = TRUE;
+               do_ipv4 = true;
        else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
-               do_ipv6 = TRUE;
+               do_ipv6 = true;
        else
-               do_ipv4 = do_ipv6 = TRUE;
+               do_ipv4 = do_ipv6 = true;
 
        __connman_service_nameserver_del_routes(service, type);
 
        data = g_hash_table_lookup(gateway_hash, service);
-       if (data == NULL)
+       if (!data)
                return;
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL)
+       if (do_ipv4 && data->ipv4_gateway)
                set_default4 = data->ipv4_gateway->vpn;
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL)
+       if (do_ipv6 && data->ipv6_gateway)
                set_default6 = data->ipv6_gateway->vpn;
 
        DBG("ipv4 gateway %s ipv6 gateway %s vpn %d/%d",
@@ -980,14 +978,15 @@ void __connman_connection_gateway_remove(struct connman_service *service,
                data->ipv6_gateway ? data->ipv6_gateway->gateway : "<null>",
                set_default4, set_default6);
 
-       if (do_ipv4 == TRUE && data->ipv4_gateway != NULL &&
-                       data->ipv4_gateway->vpn == TRUE && data->index >= 0)
-               connman_inet_del_host_route(data->index,
+       if (do_ipv4 && data->ipv4_gateway &&
+                       data->ipv4_gateway->vpn && data->index >= 0)
+               connman_inet_del_host_route(data->ipv4_gateway->vpn_phy_index,
                                                data->ipv4_gateway->gateway);
 
-       if (do_ipv6 == TRUE && data->ipv6_gateway != NULL &&
-                       data->ipv6_gateway->vpn == TRUE && data->index >= 0)
-               connman_inet_del_ipv6_host_route(data->index,
+       if (do_ipv6 && data->ipv6_gateway &&
+                       data->ipv6_gateway->vpn && data->index >= 0)
+               connman_inet_del_ipv6_host_route(
+                                       data->ipv6_gateway->vpn_phy_index,
                                                data->ipv6_gateway->gateway);
 
        err = disable_gateway(data, type);
@@ -997,10 +996,10 @@ void __connman_connection_gateway_remove(struct connman_service *service,
         * settings are to be removed.
         */
        if (do_ipv4 == do_ipv6 ||
-               (data->ipv4_gateway != NULL && data->ipv6_gateway == NULL
-                       && do_ipv4 == TRUE) ||
-               (data->ipv6_gateway != NULL && data->ipv4_gateway == NULL
-                       && do_ipv6 == TRUE)
+               (data->ipv4_gateway && !data->ipv6_gateway
+                       && do_ipv4) ||
+               (data->ipv6_gateway && !data->ipv4_gateway
+                       && do_ipv6)
                ) {
                connman_service_unref(service);
                g_hash_table_remove(gateway_hash, service);
@@ -1016,19 +1015,19 @@ void __connman_connection_gateway_remove(struct connman_service *service,
         */
        if (set_default4 || set_default6 || err < 0) {
                data = find_default_gateway();
-               if (data != NULL)
+               if (data)
                        set_default_gateway(data, type);
        }
 }
 
-gboolean __connman_connection_update_gateway(void)
+bool __connman_connection_update_gateway(void)
 {
        struct gateway_data *default_gateway;
-       gboolean updated = FALSE;
+       bool updated = false;
        GHashTableIter iter;
        gpointer value, key;
 
-       if (gateway_hash == NULL)
+       if (!gateway_hash)
                return updated;
 
        update_order();
@@ -1045,30 +1044,30 @@ gboolean __connman_connection_update_gateway(void)
         */
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *active_gateway = value;
 
                if (active_gateway == default_gateway)
                        continue;
 
-               if (active_gateway->ipv4_gateway != NULL &&
-                               active_gateway->ipv4_gateway->active == TRUE) {
+               if (active_gateway->ipv4_gateway &&
+                               active_gateway->ipv4_gateway->active) {
 
                        unset_default_gateway(active_gateway,
                                                CONNMAN_IPCONFIG_TYPE_IPV4);
-                       updated = TRUE;
+                       updated = true;
                }
 
-               if (active_gateway->ipv6_gateway != NULL &&
-                               active_gateway->ipv6_gateway->active == TRUE) {
+               if (active_gateway->ipv6_gateway &&
+                               active_gateway->ipv6_gateway->active) {
 
                        unset_default_gateway(active_gateway,
                                                CONNMAN_IPCONFIG_TYPE_IPV6);
-                       updated = TRUE;
+                       updated = true;
                }
        }
 
-       if (updated && default_gateway != NULL) {
+       if (updated && default_gateway) {
                if (default_gateway->ipv4_gateway)
                        set_default_gateway(default_gateway,
                                        CONNMAN_IPCONFIG_TYPE_IPV4);
@@ -1088,14 +1087,14 @@ int __connman_connection_get_vpn_index(int phy_index)
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
-               if (data->ipv4_gateway != NULL &&
+               if (data->ipv4_gateway &&
                                data->ipv4_gateway->vpn_phy_index == phy_index)
                        return data->index;
 
-               if (data->ipv6_gateway != NULL &&
+               if (data->ipv6_gateway &&
                                data->ipv6_gateway->vpn_phy_index == phy_index)
                        return data->index;
        }
@@ -1130,7 +1129,7 @@ void __connman_connection_cleanup(void)
 
        g_hash_table_iter_init(&iter, gateway_hash);
 
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
                struct gateway_data *data = value;
 
                disable_gateway(data, CONNMAN_IPCONFIG_TYPE_ALL);