*
* Connection Manager
*
- * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2010 Intel Corporation. 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 <config.h>
#endif
-#include <errno.h>
-#include <unistd.h>
#include <string.h>
-#include <sys/ioctl.h>
-#include <arpa/inet.h>
#include <net/if.h>
-#include <net/route.h>
#include <gdbus.h>
struct gateway_data {
int index;
- char *gateway;
+ char *ipv4_gateway;
+ struct connman_element *element;
+ unsigned int order;
+ gboolean active;
+ /* VPN extra data */
+ gboolean vpn;
+ char *vpn_ip;
+ int vpn_phy_index;
};
static GSList *gateway_list = NULL;
for (list = gateway_list; list; list = list->next) {
struct gateway_data *data = list->data;
- if (data->gateway == NULL)
+ if (data->ipv4_gateway == NULL)
continue;
if (data->index == index &&
- g_str_equal(data->gateway, gateway) == TRUE)
+ g_str_equal(data->ipv4_gateway, gateway)
+ == TRUE)
return data;
}
return NULL;
}
-static void connection_newgateway(int index, const char *gateway)
+static int del_routes(struct gateway_data *data)
{
- struct gateway_data *data;
+ if (data->vpn) {
+ if (data->vpn_phy_index >= 0)
+ connman_inet_del_host_route(data->vpn_phy_index,
+ data->ipv4_gateway);
+ return connman_inet_clear_gateway_address(data->index,
+ data->vpn_ip);
+ } else if (g_strcmp0(data->ipv4_gateway, "0.0.0.0") == 0) {
+ return connman_inet_clear_gateway_interface(data->index);
+ } else {
+ connman_inet_del_host_route(data->index, data->ipv4_gateway);
+ return connman_inet_clear_gateway_address(data->index,
+ data->ipv4_gateway);
+ }
+}
- DBG("index %d gateway %s", index, gateway);
+static void find_element(struct connman_element *element, gpointer user_data)
+{
+ struct gateway_data *data = user_data;
- data = find_gateway(index, gateway);
- if (data != NULL)
+ DBG("element %p name %s", element, element->name);
+
+ if (data->element != NULL)
return;
+ if (element->index != data->index)
+ return;
+
+ data->element = element;
+}
+
+static struct gateway_data *add_gateway(int index, const char *gateway)
+{
+ struct gateway_data *data;
+ struct connman_service *service;
+
+ if (strlen(gateway) == 0)
+ return NULL;
+
data = g_try_new0(struct gateway_data, 1);
if (data == NULL)
- return;
+ return NULL;
data->index = index;
- data->gateway = g_strdup(gateway);
+ data->ipv4_gateway = g_strdup(gateway);
+ data->active = FALSE;
+ data->element = NULL;
+ data->vpn_ip = NULL;
+ data->vpn = FALSE;
+ data->vpn_phy_index = -1;
+
+ __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION,
+ find_element, data);
+
+ service = __connman_element_get_service(data->element);
+ data->order = __connman_service_get_order(service);
gateway_list = g_slist_append(gateway_list, data);
+
+ return data;
}
-static void connection_delgateway(int index, const char *gateway)
+static void connection_newgateway(int index, const char *gateway)
{
struct gateway_data *data;
if (data == NULL)
return;
- gateway_list = g_slist_remove(gateway_list, data);
-
- g_free(data->gateway);
- g_free(data);
+ data->active = TRUE;
}
-static struct connman_rtnl connection_rtnl = {
- .name = "connection",
- .newgateway = connection_newgateway,
- .delgateway = connection_delgateway,
-};
-
-static int set_route(struct connman_element *element, const char *gateway)
+static void set_default_gateway(struct gateway_data *data)
{
- struct ifreq ifr;
- struct rtentry rt;
- struct sockaddr_in *addr;
- int sk, err;
-
- DBG("element %p", element);
+ struct connman_element *element = data->element;
+ struct connman_service *service = NULL;
- sk = socket(PF_INET, SOCK_DGRAM, 0);
- if (sk < 0)
- return -1;
+ DBG("gateway %s", data->ipv4_gateway);
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_ifindex = element->index;
-
- if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
- close(sk);
- return -1;
+ if (data->vpn == TRUE) {
+ connman_inet_set_gateway_address(data->index, data->vpn_ip);
+ data->active = TRUE;
+ /* vpn gateway going away no changes in services */
+ return;
}
- DBG("ifname %s", ifr.ifr_name);
-
- memset(&rt, 0, sizeof(rt));
- rt.rt_flags = RTF_UP | RTF_GATEWAY;
-
- addr = (struct sockaddr_in *) &rt.rt_dst;
- addr->sin_family = AF_INET;
- addr->sin_addr.s_addr = INADDR_ANY;
-
- addr = (struct sockaddr_in *) &rt.rt_gateway;
- addr->sin_family = AF_INET;
- addr->sin_addr.s_addr = inet_addr(gateway);
-
- addr = (struct sockaddr_in *) &rt.rt_genmask;
- addr->sin_family = AF_INET;
- addr->sin_addr.s_addr = INADDR_ANY;
-
- err = ioctl(sk, SIOCADDRT, &rt);
- if (err < 0)
- DBG("default route setting failed (%s)", strerror(errno));
+ if (g_strcmp0(data->ipv4_gateway, "0.0.0.0") == 0) {
+ if (connman_inet_set_gateway_interface(element->index) < 0)
+ return;
+ goto done;
+ }
- close(sk);
+ if (connman_inet_set_gateway_address(element->index,
+ data->ipv4_gateway) < 0)
+ return;
- return err;
+done:
+ service = __connman_element_get_service(element);
+ __connman_service_indicate_default(service);
}
-static int del_route(struct connman_element *element, const char *gateway)
+static struct gateway_data *find_default_gateway(void)
{
- struct ifreq ifr;
- struct rtentry rt;
- struct sockaddr_in *addr;
- int sk, err;
-
- DBG("element %p", element);
-
- sk = socket(PF_INET, SOCK_DGRAM, 0);
- if (sk < 0)
- return -1;
+ struct gateway_data *found = NULL;
+ unsigned int order = 0;
+ GSList *list;
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_ifindex = element->index;
+ for (list = gateway_list; list; list = list->next) {
+ struct gateway_data *data = list->data;
- if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
- close(sk);
- return -1;
+ if (found == NULL || data->order > order) {
+ found = data;
+ order = data->order;
+ }
}
- DBG("ifname %s", ifr.ifr_name);
-
- memset(&rt, 0, sizeof(rt));
- rt.rt_flags = RTF_UP | RTF_GATEWAY;
-
- addr = (struct sockaddr_in *) &rt.rt_dst;
- addr->sin_family = AF_INET;
- addr->sin_addr.s_addr = INADDR_ANY;
-
- addr = (struct sockaddr_in *) &rt.rt_gateway;
- addr->sin_family = AF_INET;
- addr->sin_addr.s_addr = inet_addr(gateway);
-
- addr = (struct sockaddr_in *) &rt.rt_genmask;
- addr->sin_family = AF_INET;
- addr->sin_addr.s_addr = INADDR_ANY;
-
- err = ioctl(sk, SIOCDELRT, &rt);
- if (err < 0)
- DBG("default route removal failed (%s)", strerror(errno));
-
- close(sk);
-
- return err;
+ return found;
}
-static DBusMessage *get_properties(DBusConnection *conn,
- DBusMessage *msg, void *data)
+static int remove_gateway(struct gateway_data *data)
{
- struct connman_element *element = data;
- DBusMessage *reply;
- DBusMessageIter array, dict;
- const char *type = NULL, *method = NULL;
- const char *address = NULL, *netmask = NULL, *gateway = NULL;
-
- DBG("conn %p", conn);
-
- reply = dbus_message_new_method_return(msg);
- if (reply == NULL)
- return NULL;
-
- dbus_message_iter_init_append(reply, &array);
-
- dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
- DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
- DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
- DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
-
- connman_element_get_static_property(element, "Type", &type);
-
- if (type != NULL)
- connman_dbus_dict_append_variant(&dict, "Type",
- DBUS_TYPE_STRING, &type);
-
- if (element->devname != NULL)
- connman_dbus_dict_append_variant(&dict, "Interface",
- DBUS_TYPE_STRING, &element->devname);
-
- connman_dbus_dict_append_variant(&dict, "Default",
- DBUS_TYPE_BOOLEAN, &element->enabled);
-
- connman_element_get_value(element,
- CONNMAN_PROPERTY_ID_IPV4_METHOD, &method);
-
- connman_element_get_value(element,
- CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
- connman_element_get_value(element,
- CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
- connman_element_get_value(element,
- CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
-
- if (method != NULL)
- connman_dbus_dict_append_variant(&dict, "IPv4.Method",
- DBUS_TYPE_STRING, &method);
+ int err;
- if (address != NULL)
- connman_dbus_dict_append_variant(&dict, "IPv4.Address",
- DBUS_TYPE_STRING, &address);
+ DBG("gateway %s", data->ipv4_gateway);
- if (netmask != NULL)
- connman_dbus_dict_append_variant(&dict, "IPv4.Netmask",
- DBUS_TYPE_STRING, &netmask);
+ gateway_list = g_slist_remove(gateway_list, data);
- if (gateway != NULL)
- connman_dbus_dict_append_variant(&dict, "IPv4.Gateway",
- DBUS_TYPE_STRING, &gateway);
+ if (data->active == TRUE)
+ err = del_routes(data);
+ else
+ err = 0;
- dbus_message_iter_close_container(&array, &dict);
+ g_free(data->ipv4_gateway);
+ g_free(data->vpn_ip);
+ g_free(data);
- return reply;
+ return err;
}
-static DBusMessage *set_property(DBusConnection *conn,
- DBusMessage *msg, void *data)
+static void connection_delgateway(int index, const char *gateway)
{
- DBusMessageIter iter, value;
- const char *name;
-
- DBG("conn %p", conn);
-
- if (dbus_message_iter_init(msg, &iter) == FALSE)
- return __connman_error_invalid_arguments(msg);
+ struct gateway_data *data;
- dbus_message_iter_get_basic(&iter, &name);
- dbus_message_iter_next(&iter);
- dbus_message_iter_recurse(&iter, &value);
+ DBG("index %d gateway %s", index, gateway);
- if (__connman_security_check_privileges(msg) < 0)
- return __connman_error_permission_denied(msg);
+ data = find_gateway(index, gateway);
+ if (data != NULL)
+ data->active = FALSE;
- return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+ data = find_default_gateway();
+ if (data != NULL)
+ set_default_gateway(data);
}
-static GDBusMethodTable connection_methods[] = {
- { "GetProperties", "", "a{sv}", get_properties },
- { "SetProperty", "sv", "", set_property },
- { },
-};
-
-static GDBusSignalTable connection_signals[] = {
- { "PropertyChanged", "sv" },
- { },
+static struct connman_rtnl connection_rtnl = {
+ .name = "connection",
+ .newgateway = connection_newgateway,
+ .delgateway = connection_delgateway,
};
-static DBusConnection *connection;
-
-static void emit_connections_signal(void)
-{
-}
-
-static int register_interface(struct connman_element *element)
+static struct gateway_data *find_active_gateway(void)
{
- DBG("element %p name %s", element, element->name);
-
- if (g_dbus_register_interface(connection, element->path,
- CONNMAN_CONNECTION_INTERFACE,
- connection_methods, connection_signals,
- NULL, element, NULL) == FALSE) {
- connman_error("Failed to register %s connection", element->path);
- return -EIO;
- }
-
- emit_connections_signal();
+ GSList *list;
- return 0;
-}
+ DBG("");
-static void unregister_interface(struct connman_element *element)
-{
- DBG("element %p name %s", element, element->name);
+ for (list = gateway_list; list; list = list->next) {
+ struct gateway_data *data = list->data;
- emit_connections_signal();
+ if (data->active == TRUE)
+ return data;
+ }
- g_dbus_unregister_interface(connection, element->path,
- CONNMAN_CONNECTION_INTERFACE);
+ return NULL;
}
static int connection_probe(struct connman_element *element)
{
+ struct connman_service *service = NULL;
const char *gateway = NULL;
+ const char *vpn_ip = NULL;
+ struct gateway_data *active_gateway = NULL;
+ struct gateway_data *new_gateway = NULL;
DBG("element %p name %s", element, element->name);
if (element->parent == NULL)
return -ENODEV;
- if (element->parent->type != CONNMAN_ELEMENT_TYPE_IPV4)
- return -ENODEV;
+ /* FIXME: Remove temporarily for the static gateway support */
+ /* if (element->parent->type != CONNMAN_ELEMENT_TYPE_IPV4)
+ return -ENODEV; */
connman_element_get_value(element,
CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
+ connman_element_get_value(element,
+ CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &vpn_ip);
+
DBG("gateway %s", gateway);
- if (register_interface(element) < 0)
- return -ENODEV;
+ /*
+ * If gateway is NULL, it's a point to point link and the default
+ * gateway is 0.0.0.0, meaning the interface.
+ */
+ if (gateway == NULL) {
+ gateway = "0.0.0.0";
+ element->ipv4.gateway = g_strdup(gateway);
+ }
- if (gateway == NULL)
+ connman_element_set_enabled(element, TRUE);
+
+ active_gateway = find_active_gateway();
+ new_gateway = add_gateway(element->index, gateway);
+ if (new_gateway == NULL)
return 0;
- if (g_slist_length(gateway_list) > 0) {
- DBG("default gateway already present");
+ service = __connman_element_get_service(element);
+
+ connman_inet_add_host_route(element->index,
+ new_gateway->ipv4_gateway, NULL);
+ __connman_service_nameserver_add_routes(service,
+ new_gateway->ipv4_gateway);
+
+ __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
+
+ if (service == NULL) {
+ new_gateway->vpn = TRUE;
+ new_gateway->vpn_ip = g_strdup(vpn_ip);
+ /* make sure vpn gateway are at higher priority */
+ new_gateway->order = 10;
+ if (active_gateway)
+ new_gateway->vpn_phy_index = active_gateway->index;
+ } else
+ new_gateway->vpn = FALSE;
+
+ if (active_gateway == NULL) {
+ set_default_gateway(new_gateway);
return 0;
}
- set_route(element, gateway);
+ if (new_gateway->vpn == TRUE) {
+ connman_inet_add_host_route(active_gateway->index,
+ new_gateway->ipv4_gateway,
+ active_gateway->ipv4_gateway);
+ }
- connman_element_set_enabled(element, TRUE);
+ if (new_gateway->order >= active_gateway->order) {
+ del_routes(active_gateway);
+ return 0;
+ }
return 0;
}
static void connection_remove(struct connman_element *element)
{
+ struct connman_service *service;
const char *gateway = NULL;
+ struct gateway_data *data = NULL;
+ gboolean set_default = FALSE;
+ int err;
DBG("element %p name %s", element, element->name);
- unregister_interface(element);
+ service = __connman_element_get_service(element);
+ __connman_service_nameserver_del_routes(service);
+ __connman_service_indicate_state(service,
+ CONNMAN_SERVICE_STATE_DISCONNECT);
+
+ connman_element_set_enabled(element, FALSE);
connman_element_get_value(element,
CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
if (gateway == NULL)
return;
- del_route(element, gateway);
+ data = find_gateway(element->index, gateway);
+ if (data == NULL)
+ return;
+
+ set_default = data->vpn;
+
+ if (data->vpn == TRUE && data->vpn_phy_index >= 0)
+ connman_inet_del_host_route(data->vpn_phy_index,
+ data->ipv4_gateway);
+ err = remove_gateway(data);
+
+ /* with vpn this will be called after the network was deleted,
+ * we need to call set_default here because we will not recieve any
+ * gateway delete notification.
+ * We hit the same issue if remove_gateway() fails.
+ */
+ if (set_default || err < 0) {
+ data = find_default_gateway();
+ if (data != NULL)
+ set_default_gateway(data);
+ }
}
static struct connman_driver connection_driver = {
{
DBG("");
- connection = connman_dbus_get_connection();
-
if (connman_rtnl_register(&connection_rtnl) < 0)
connman_error("Failed to setup RTNL gateway driver");
- connman_rtnl_send_getroute();
-
return connman_driver_register(&connection_driver);
}
for (list = gateway_list; list; list = list->next) {
struct gateway_data *data = list->data;
- DBG("index %d gateway %s", data->index, data->gateway);
+ DBG("index %d gateway %s", data->index, data->ipv4_gateway);
- g_free(data->gateway);
+ g_free(data->ipv4_gateway);
g_free(data);
list->data = NULL;
}
g_slist_free(gateway_list);
gateway_list = NULL;
+}
+
+static void update_order(void)
+{
+ GSList *list = NULL;
+
+ for (list = gateway_list; list; list = list->next) {
+ struct gateway_data *data = list->data;
+ struct connman_service *service;
+
+ /* vpn gataway is not attached to a service. */
+ if (data->vpn)
+ continue;
+
+ service = __connman_element_get_service(data->element);
+ data->order = __connman_service_get_order(service);
+ }
+}
+
+gboolean __connman_connection_update_gateway(void)
+{
+ struct gateway_data *active_gateway, *default_gateway;
+ gboolean updated = FALSE;
+
+ update_order();
+
+ active_gateway = find_active_gateway();
+ default_gateway = find_default_gateway();
+
+ if (active_gateway && active_gateway != default_gateway) {
+ del_routes(active_gateway);
+ updated = TRUE;
+ }
- dbus_connection_unref(connection);
+ return updated;
}
projects / platform / upstream / connman.git / blobdiff