diff options
Diffstat (limited to 'src/vpn')
| -rw-r--r-- | src/vpn/nm-vpn-connection.c | 2778 | ||||
| -rw-r--r-- | src/vpn/nm-vpn-connection.h | 83 | ||||
| -rw-r--r-- | src/vpn/nm-vpn-manager.c | 295 | ||||
| -rw-r--r-- | src/vpn/nm-vpn-manager.h | 45 |
4 files changed, 3201 insertions, 0 deletions
diff --git a/src/vpn/nm-vpn-connection.c b/src/vpn/nm-vpn-connection.c new file mode 100644 index 00000000..fb9aae8a --- /dev/null +++ b/src/vpn/nm-vpn-connection.c @@ -0,0 +1,2778 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager -- Network link manager + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Copyright (C) 2005 - 2013 Red Hat, Inc. + * Copyright (C) 2006 - 2008 Novell, Inc. + */ + +#include "nm-default.h" + +#include "nm-vpn-connection.h" + +#include <string.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> +#include <syslog.h> + +#include "nm-proxy-config.h" +#include "nm-ip4-config.h" +#include "nm-ip6-config.h" +#include "platform/nm-platform.h" +#include "nm-active-connection.h" +#include "NetworkManagerUtils.h" +#include "settings/nm-settings-connection.h" +#include "nm-dispatcher.h" +#include "settings/nm-agent-manager.h" +#include "nm-core-internal.h" +#include "nm-pacrunner-manager.h" +#include "nm-default-route-manager.h" +#include "nm-route-manager.h" +#include "nm-firewall-manager.h" +#include "nm-config.h" +#include "nm-vpn-plugin-info.h" +#include "nm-vpn-manager.h" +#include "dns/nm-dns-manager.h" + +#include "introspection/org.freedesktop.NetworkManager.VPN.Connection.h" + +typedef enum { + /* Only system secrets */ + SECRETS_REQ_SYSTEM = 0, + /* All existing secrets including agent secrets */ + SECRETS_REQ_EXISTING = 1, + /* New secrets required; ask an agent */ + SECRETS_REQ_NEW = 2, + /* Plugin requests secrets interactively */ + SECRETS_REQ_INTERACTIVE = 3, + /* Placeholder for bounds checking */ + SECRETS_REQ_LAST +} SecretsReq; + +/* Internal VPN states, private to NMVpnConnection */ +typedef enum { + STATE_UNKNOWN = 0, + STATE_WAITING, + STATE_PREPARE, + STATE_NEED_AUTH, + STATE_CONNECT, + STATE_IP_CONFIG_GET, + STATE_PRE_UP, + STATE_ACTIVATED, + STATE_DEACTIVATING, + STATE_DISCONNECTED, + STATE_FAILED, +} VpnState; + +enum { + VPN_STATE_CHANGED, + INTERNAL_STATE_CHANGED, + INTERNAL_RETRY_AFTER_FAILURE, + + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +NM_GOBJECT_PROPERTIES_DEFINE (NMVpnConnection, + PROP_VPN_STATE, + PROP_BANNER, +#define PROP_IP4_CONFIG 2000 +#define PROP_IP6_CONFIG 2001 +#define PROP_MASTER 2002 +); + +typedef struct { + gboolean service_can_persist; + gboolean connection_can_persist; + + NMSettingsConnectionCallId secrets_id; + SecretsReq secrets_idx; + char *username; + + VpnState vpn_state; + guint dispatcher_id; + NMVpnConnectionStateReason failure_reason; + + NMVpnServiceState service_state; + guint start_timeout; + gboolean service_running; + NMVpnPluginInfo *plugin_info; + char *bus_name; + + /* Firewall */ + NMFirewallManagerCallId fw_call; + + NMDefaultRouteManager *default_route_manager; + NMRouteManager *route_manager; + GDBusProxy *proxy; + GCancellable *cancellable; + GVariant *connect_hash; + guint connect_timeout; + NMProxyConfig *proxy_config; + gboolean has_ip4; + NMIP4Config *ip4_config; + guint32 ip4_internal_gw; + guint32 ip4_external_gw; + gboolean has_ip6; + NMIP6Config *ip6_config; + + /* These config instances are passed on to NMDevice and modified by NMDevice. + * This pointer is only useful for nm_device_replace_vpn4_config() to clear the + * previous configuration. Consider these instances to be owned by NMDevice. */ + NMIP4Config *last_device_ip4_config; + NMIP6Config *last_device_ip6_config; + + struct in6_addr *ip6_internal_gw; + struct in6_addr *ip6_external_gw; + char *ip_iface; + int ip_ifindex; + char *banner; + guint32 mtu; +} NMVpnConnectionPrivate; + +struct _NMVpnConnection { + NMActiveConnection parent; + NMVpnConnectionPrivate _priv; +}; + +struct _NMVpnConnectionClass { + NMActiveConnectionClass parent; + + /* Signals */ + void (*vpn_state_changed) (NMVpnConnection *self, + NMVpnConnectionState new_state, + NMVpnConnectionStateReason reason); + + /* not exported over D-Bus */ + void (*internal_state_changed) (NMVpnConnection *self, + NMVpnConnectionState new_state, + NMVpnConnectionState old_state, + NMVpnConnectionStateReason reason); + + void (*internal_failed_retry) (NMVpnConnection *self); +}; + +G_DEFINE_TYPE (NMVpnConnection, nm_vpn_connection, NM_TYPE_ACTIVE_CONNECTION) + +#define NM_VPN_CONNECTION_GET_PRIVATE(self) _NM_GET_PRIVATE(self, NMVpnConnection, NM_IS_VPN_CONNECTION) + +/*****************************************************************************/ + +static NMSettingsConnection *_get_settings_connection (NMVpnConnection *self, + gboolean allow_missing); + +static void get_secrets (NMVpnConnection *self, + SecretsReq secrets_idx, + const char **hints); + +static void plugin_interactive_secrets_required (NMVpnConnection *self, + const char *message, + const char **secrets); + +static void _set_vpn_state (NMVpnConnection *self, + VpnState vpn_state, + NMVpnConnectionStateReason reason, + gboolean quitting); + +/*****************************************************************************/ + +#define _NMLOG_DOMAIN LOGD_VPN +#define _NMLOG_PREFIX_NAME "vpn-connection" + +#define __NMLOG_prefix_buf_len 128 + +static const char * +__LOG_create_prefix (char *buf, NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv; + NMConnection *con; + const char *id; + + if (!self) + return _NMLOG_PREFIX_NAME; + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + con = NM_CONNECTION (_get_settings_connection (self, TRUE)); + id = con ? nm_connection_get_id (con) : NULL; + + g_snprintf (buf, __NMLOG_prefix_buf_len, + "%s[" + "%p" /*self*/ + "%s%s" /*con-uuid*/ + "%s%s%s%s" /*con-id*/ + ",%d" /*ifindex*/ + "%s%s%s" /*iface*/ + "]", + _NMLOG_PREFIX_NAME, + self, + con ? "," : "--", con ? (nm_connection_get_uuid (con) ?: "??") : "", + con ? "," : "", NM_PRINT_FMT_QUOTED (id, "\"", id, "\"", con ? "??" : ""), + priv->ip_ifindex, + NM_PRINT_FMT_QUOTED (priv->ip_iface, ":(", priv->ip_iface, ")", "") + ); + + return buf; +} + +#define _NMLOG(level, ...) \ + G_STMT_START { \ + const NMLogLevel __level = (level); \ + \ + if (nm_logging_enabled (__level, _NMLOG_DOMAIN)) { \ + char __prefix[__NMLOG_prefix_buf_len]; \ + \ + _nm_log (__level, _NMLOG_DOMAIN, 0, \ + "%s: " _NM_UTILS_MACRO_FIRST (__VA_ARGS__), \ + __LOG_create_prefix (__prefix, self) \ + _NM_UTILS_MACRO_REST (__VA_ARGS__)); \ + } \ + } G_STMT_END + +/*****************************************************************************/ + +static void +cancel_get_secrets (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (priv->secrets_id) { + nm_settings_connection_cancel_secrets (_get_settings_connection (self, FALSE), + priv->secrets_id); + g_warn_if_fail (!priv->secrets_id); + priv->secrets_id = NULL; + } +} + +static NMVpnConnectionState +_state_to_nm_vpn_state (VpnState state) +{ + switch (state) { + case STATE_WAITING: + case STATE_PREPARE: + return NM_VPN_CONNECTION_STATE_PREPARE; + case STATE_NEED_AUTH: + return NM_VPN_CONNECTION_STATE_NEED_AUTH; + case STATE_CONNECT: + return NM_VPN_CONNECTION_STATE_CONNECT; + case STATE_IP_CONFIG_GET: + case STATE_PRE_UP: + return NM_VPN_CONNECTION_STATE_IP_CONFIG_GET; + case STATE_ACTIVATED: + return NM_VPN_CONNECTION_STATE_ACTIVATED; + case STATE_DEACTIVATING: { + /* Map DEACTIVATING to ACTIVATED to preserve external API behavior, + * since our API has no DEACTIVATING state of its own. Since this can + * take some time, and the VPN isn't actually disconnected until it + * hits the DISCONNECTED state, to clients it should still appear + * connected. + */ + return NM_VPN_CONNECTION_STATE_ACTIVATED; + } + case STATE_DISCONNECTED: + return NM_VPN_CONNECTION_STATE_DISCONNECTED; + case STATE_FAILED: + return NM_VPN_CONNECTION_STATE_FAILED; + default: + return NM_VPN_CONNECTION_STATE_UNKNOWN; + } +} + +static NMActiveConnectionState +_state_to_ac_state (VpnState vpn_state) +{ + /* Set the NMActiveConnection state based on VPN state */ + switch (vpn_state) { + case STATE_WAITING: + case STATE_PREPARE: + case STATE_NEED_AUTH: + case STATE_CONNECT: + case STATE_IP_CONFIG_GET: + case STATE_PRE_UP: + return NM_ACTIVE_CONNECTION_STATE_ACTIVATING; + case STATE_ACTIVATED: + return NM_ACTIVE_CONNECTION_STATE_ACTIVATED; + case STATE_DEACTIVATING: + return NM_ACTIVE_CONNECTION_STATE_DEACTIVATING; + case STATE_DISCONNECTED: + case STATE_FAILED: + return NM_ACTIVE_CONNECTION_STATE_DEACTIVATED; + default: + break; + } + return NM_ACTIVE_CONNECTION_STATE_UNKNOWN; +} + +static NMSettingsConnection * +_get_settings_connection (NMVpnConnection *self, gboolean allow_missing) +{ + NMSettingsConnection *con; + + /* Currently we operate on the assumption, that the settings-connection + * never changes after it is set (though initially, it might be unset). + * Later we might want to change that, but then we need fixes here too. */ + + con = _nm_active_connection_get_settings_connection (NM_ACTIVE_CONNECTION (self)); + if (!con && !allow_missing) + g_return_val_if_reached (NULL); + return con; +} + +static NMConnection * +_get_applied_connection (NMVpnConnection *connection) +{ + NMConnection *con; + + con = nm_active_connection_get_applied_connection (NM_ACTIVE_CONNECTION (connection)); + g_return_val_if_fail (con, NULL); + return con; +} + +static void +disconnect_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data) +{ + GVariant *variant; + + variant = g_dbus_proxy_call_finish (proxy, result, NULL); + if (variant) + g_variant_unref (variant); + g_object_unref (user_data); +} + +static void +call_plugin_disconnect (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + g_dbus_proxy_call (priv->proxy, + "Disconnect", + NULL, + G_DBUS_CALL_FLAGS_NONE, + -1, + priv->cancellable, + (GAsyncReadyCallback) disconnect_cb, + g_object_ref (self)); +} + +static void +fw_call_cleanup (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (priv->fw_call) { + nm_firewall_manager_cancel_call (priv->fw_call); + g_warn_if_fail (!priv->fw_call); + priv->fw_call = NULL; + } +} + +static void +remove_parent_device_config (NMVpnConnection *connection, NMDevice *device) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (connection); + + if (priv->last_device_ip4_config) { + nm_device_replace_vpn4_config (device, priv->last_device_ip4_config, NULL); + g_clear_object (&priv->last_device_ip4_config); + } + + if (priv->last_device_ip6_config) { + nm_device_replace_vpn6_config (device, priv->last_device_ip6_config, NULL); + g_clear_object (&priv->last_device_ip6_config); + } +} + +static void +vpn_cleanup (NMVpnConnection *self, NMDevice *parent_dev) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (priv->ip_ifindex) { + nm_platform_link_set_down (NM_PLATFORM_GET, priv->ip_ifindex); + nm_route_manager_route_flush (priv->route_manager, priv->ip_ifindex); + nm_platform_address_flush (NM_PLATFORM_GET, priv->ip_ifindex); + } + + remove_parent_device_config (self, parent_dev); + + /* Remove zone from firewall */ + if (priv->ip_iface) { + nm_firewall_manager_remove_from_zone (nm_firewall_manager_get (), + priv->ip_iface, + NULL, + NULL, + NULL); + } + /* Cancel pending firewall call */ + fw_call_cleanup (self); + + g_free (priv->banner); + priv->banner = NULL; + + g_free (priv->ip_iface); + priv->ip_iface = NULL; + priv->ip_ifindex = 0; + + g_free (priv->bus_name); + priv->bus_name = NULL; + + /* Clear out connection secrets to ensure that the settings service + * gets asked for them next time the connection is activated. + */ + nm_active_connection_clear_secrets (NM_ACTIVE_CONNECTION (self)); +} + +static void +dispatcher_pre_down_done (guint call_id, gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + priv->dispatcher_id = 0; + _set_vpn_state (self, STATE_DISCONNECTED, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); +} + +static void +dispatcher_pre_up_done (guint call_id, gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + priv->dispatcher_id = 0; + _set_vpn_state (self, STATE_ACTIVATED, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); +} + +static void +dispatcher_cleanup (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (priv->dispatcher_id) { + nm_dispatcher_call_cancel (priv->dispatcher_id); + priv->dispatcher_id = 0; + } +} + +static void +_set_vpn_state (NMVpnConnection *self, + VpnState vpn_state, + NMVpnConnectionStateReason reason, + gboolean quitting) +{ + NMVpnConnectionPrivate *priv; + VpnState old_vpn_state; + NMVpnConnectionState new_external_state, old_external_state; + NMDevice *parent_dev = nm_active_connection_get_device (NM_ACTIVE_CONNECTION (self)); + + g_return_if_fail (NM_IS_VPN_CONNECTION (self)); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (vpn_state == priv->vpn_state) + return; + + old_vpn_state = priv->vpn_state; + priv->vpn_state = vpn_state; + + /* The device gets destroyed by active connection when it enters + * the deactivated state, so we need to ref it for usage below. + */ + if (parent_dev) + g_object_ref (parent_dev); + + /* Update active connection base class state */ + nm_active_connection_set_state (NM_ACTIVE_CONNECTION (self), + _state_to_ac_state (vpn_state)); + + /* Clear any in-progress secrets request */ + cancel_get_secrets (self); + + dispatcher_cleanup (self); + + nm_default_route_manager_ip4_update_default_route (priv->default_route_manager, self); + nm_default_route_manager_ip6_update_default_route (priv->default_route_manager, self); + + /* The connection gets destroyed by the VPN manager when it enters the + * disconnected/failed state, but we need to keep it around for a bit + * to send out signals and handle the dispatcher. So ref it. + */ + g_object_ref (self); + + old_external_state = _state_to_nm_vpn_state (old_vpn_state); + new_external_state = _state_to_nm_vpn_state (priv->vpn_state); + if (new_external_state != old_external_state) { + g_signal_emit (self, signals[VPN_STATE_CHANGED], 0, new_external_state, reason); + g_signal_emit (self, signals[INTERNAL_STATE_CHANGED], 0, + new_external_state, + old_external_state, + reason); + _notify (self, PROP_VPN_STATE); + } + + switch (vpn_state) { + case STATE_NEED_AUTH: + /* Do nothing; not part of 'default' because we don't want to touch + * priv->secrets_req as NEED_AUTH is re-entered during interactive + * secrets. + */ + break; + case STATE_PRE_UP: + if (!nm_dispatcher_call_vpn (DISPATCHER_ACTION_VPN_PRE_UP, + _get_settings_connection (self, FALSE), + _get_applied_connection (self), + parent_dev, + priv->ip_iface, + priv->proxy_config, + priv->ip4_config, + priv->ip6_config, + dispatcher_pre_up_done, + self, + &priv->dispatcher_id)) { + /* Just proceed on errors */ + dispatcher_pre_up_done (0, self); + } + break; + case STATE_ACTIVATED: + /* Secrets no longer needed now that we're connected */ + nm_active_connection_clear_secrets (NM_ACTIVE_CONNECTION (self)); + + /* Let dispatcher scripts know we're up and running */ + nm_dispatcher_call_vpn (DISPATCHER_ACTION_VPN_UP, + _get_settings_connection (self, FALSE), + _get_applied_connection (self), + parent_dev, + priv->ip_iface, + priv->proxy_config, + priv->ip4_config, + priv->ip6_config, + NULL, + NULL, + NULL); + + if (priv->proxy_config) { + nm_pacrunner_manager_send (nm_pacrunner_manager_get (), + priv->ip_iface, + priv->proxy_config, + priv->ip4_config, + priv->ip6_config); + } + break; + case STATE_DEACTIVATING: + if (quitting) { + nm_dispatcher_call_vpn_sync (DISPATCHER_ACTION_VPN_PRE_DOWN, + _get_settings_connection (self, FALSE), + _get_applied_connection (self), + parent_dev, + priv->ip_iface, + priv->proxy_config, + priv->ip4_config, + priv->ip6_config); + } else { + if (!nm_dispatcher_call_vpn (DISPATCHER_ACTION_VPN_PRE_DOWN, + _get_settings_connection (self, FALSE), + _get_applied_connection (self), + parent_dev, + priv->ip_iface, + priv->proxy_config, + priv->ip4_config, + priv->ip6_config, + dispatcher_pre_down_done, + self, + &priv->dispatcher_id)) { + /* Just proceed on errors */ + dispatcher_pre_down_done (0, self); + } + } + + /* Remove config from PacRunner */ + nm_pacrunner_manager_remove (nm_pacrunner_manager_get(), priv->ip_iface); + break; + case STATE_FAILED: + case STATE_DISCONNECTED: + if ( old_vpn_state >= STATE_ACTIVATED + && old_vpn_state <= STATE_DEACTIVATING) { + /* Let dispatcher scripts know we're about to go down */ + if (quitting) { + nm_dispatcher_call_vpn_sync (DISPATCHER_ACTION_VPN_DOWN, + _get_settings_connection (self, FALSE), + _get_applied_connection (self), + parent_dev, + priv->ip_iface, + NULL, + NULL, + NULL); + } else { + nm_dispatcher_call_vpn (DISPATCHER_ACTION_VPN_DOWN, + _get_settings_connection (self, FALSE), + _get_applied_connection (self), + parent_dev, + priv->ip_iface, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL); + } + } + + /* Tear down and clean up the connection */ + call_plugin_disconnect (self); + vpn_cleanup (self, parent_dev); + /* Fall through */ + default: + priv->secrets_idx = SECRETS_REQ_SYSTEM; + break; + } + + g_object_unref (self); + if (parent_dev) + g_object_unref (parent_dev); +} + +static gboolean +_service_and_connection_can_persist (NMVpnConnection *self) +{ + return NM_VPN_CONNECTION_GET_PRIVATE (self)->connection_can_persist && + NM_VPN_CONNECTION_GET_PRIVATE (self)->service_can_persist; +} + +static gboolean +_connection_only_can_persist (NMVpnConnection *self) +{ + return NM_VPN_CONNECTION_GET_PRIVATE (self)->connection_can_persist && + !NM_VPN_CONNECTION_GET_PRIVATE (self)->service_can_persist; +} + +static void +device_state_changed (NMActiveConnection *active, + NMDevice *device, + NMDeviceState new_state, + NMDeviceState old_state) +{ + if (_service_and_connection_can_persist (NM_VPN_CONNECTION (active))) { + if (new_state <= NM_DEVICE_STATE_DISCONNECTED || + new_state == NM_DEVICE_STATE_FAILED) { + nm_active_connection_set_device (active, NULL); + } + return; + } + + if (new_state <= NM_DEVICE_STATE_DISCONNECTED) { + _set_vpn_state (NM_VPN_CONNECTION (active), + STATE_DISCONNECTED, + NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED, + FALSE); + } else if (new_state == NM_DEVICE_STATE_FAILED) { + _set_vpn_state (NM_VPN_CONNECTION (active), + STATE_FAILED, + NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED, + FALSE); + } + + /* FIXME: map device DEACTIVATING state to VPN DEACTIVATING state and + * block device deactivation on VPN deactivation. + */ +} + +static void +add_ip4_vpn_gateway_route (NMIP4Config *config, NMDevice *parent_device, guint32 vpn_gw) +{ + NMIP4Config *parent_config; + guint32 parent_gw; + NMPlatformIP4Route route; + guint32 route_metric; + + g_return_if_fail (NM_IS_IP4_CONFIG (config)); + g_return_if_fail (NM_IS_DEVICE (parent_device)); + g_return_if_fail (vpn_gw != 0); + + /* Set up a route to the VPN gateway's public IP address through the default + * network device if the VPN gateway is on a different subnet. + */ + parent_config = nm_device_get_ip4_config (parent_device); + g_return_if_fail (parent_config != NULL); + parent_gw = nm_ip4_config_get_gateway (parent_config); + + route_metric = nm_device_get_ip4_route_metric (parent_device); + + memset (&route, 0, sizeof (route)); + route.network = vpn_gw; + route.plen = 32; + route.gateway = parent_gw; + /* Set up a device route if the parent device has no gateway */ + if (!parent_gw) + route.ifindex = nm_device_get_ip_ifindex (parent_device); + + /* If the VPN gateway is in the same subnet as one of the parent device's + * IP addresses, don't add the host route to it, but a route through the + * parent device. + */ + if (nm_ip4_config_destination_is_direct (parent_config, vpn_gw, 32)) + route.gateway = 0; + + route.rt_source = NM_IP_CONFIG_SOURCE_VPN; + route.metric = route_metric; + nm_ip4_config_add_route (config, &route); + + if (parent_gw) { + /* Ensure there's a route to the parent device's gateway through the + * parent device, since if the VPN claims the default route and the VPN + * routes include a subnet that matches the parent device's subnet, + * the parent device's gateway would get routed through the VPN and fail. + */ + memset (&route, 0, sizeof (route)); + route.network = parent_gw; + route.plen = 32; + route.rt_source = NM_IP_CONFIG_SOURCE_VPN; + route.metric = route_metric; + + nm_ip4_config_add_route (config, &route); + } +} + +static void +add_ip6_vpn_gateway_route (NMIP6Config *config, + NMDevice *parent_device, + const struct in6_addr *vpn_gw) +{ + NMIP6Config *parent_config; + const struct in6_addr *parent_gw; + NMPlatformIP6Route route; + guint32 route_metric; + + g_return_if_fail (NM_IS_IP6_CONFIG (config)); + g_return_if_fail (NM_IS_DEVICE (parent_device)); + g_return_if_fail (vpn_gw != NULL); + + parent_config = nm_device_get_ip6_config (parent_device); + g_return_if_fail (parent_config != NULL); + parent_gw = nm_ip6_config_get_gateway (parent_config); + if (!parent_gw) + return; + + route_metric = nm_device_get_ip6_route_metric (parent_device); + + memset (&route, 0, sizeof (route)); + route.network = *vpn_gw; + route.plen = 128; + route.gateway = *parent_gw; + + /* If the VPN gateway is in the same subnet as one of the parent device's + * IP addresses, don't add the host route to it, but a route through the + * parent device. + */ + if (nm_ip6_config_destination_is_direct (parent_config, vpn_gw, 128)) + route.gateway = in6addr_any; + + route.rt_source = NM_IP_CONFIG_SOURCE_VPN; + route.metric = route_metric; + nm_ip6_config_add_route (config, &route); + + /* Ensure there's a route to the parent device's gateway through the + * parent device, since if the VPN claims the default route and the VPN + * routes include a subnet that matches the parent device's subnet, + * the parent device's gateway would get routed through the VPN and fail. + */ + memset (&route, 0, sizeof (route)); + route.network = *parent_gw; + route.plen = 128; + route.rt_source = NM_IP_CONFIG_SOURCE_VPN; + route.metric = route_metric; + + nm_ip6_config_add_route (config, &route); +} + +NMVpnConnection * +nm_vpn_connection_new (NMSettingsConnection *settings_connection, + NMDevice *parent_device, + const char *specific_object, + NMAuthSubject *subject) +{ + g_return_val_if_fail (!settings_connection || NM_IS_SETTINGS_CONNECTION (settings_connection), NULL); + g_return_val_if_fail (NM_IS_DEVICE (parent_device), NULL); + + return (NMVpnConnection *) g_object_new (NM_TYPE_VPN_CONNECTION, + NM_ACTIVE_CONNECTION_INT_SETTINGS_CONNECTION, settings_connection, + NM_ACTIVE_CONNECTION_INT_DEVICE, parent_device, + NM_ACTIVE_CONNECTION_SPECIFIC_OBJECT, specific_object, + NM_ACTIVE_CONNECTION_INT_SUBJECT, subject, + NM_ACTIVE_CONNECTION_VPN, TRUE, + NULL); +} + +const char * +nm_vpn_connection_get_service (NMVpnConnection *self) +{ + NMSettingVpn *s_vpn; + + s_vpn = nm_connection_get_setting_vpn (_get_applied_connection (self)); + return nm_setting_vpn_get_service_type (s_vpn); +} + +NM_UTILS_LOOKUP_STR_DEFINE_STATIC (_vpn_plugin_failure_to_string, NMVpnPluginFailure, + NM_UTILS_LOOKUP_DEFAULT (NULL), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_PLUGIN_FAILURE_LOGIN_FAILED, "login-failed"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_PLUGIN_FAILURE_CONNECT_FAILED, "connect-failed"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_PLUGIN_FAILURE_BAD_IP_CONFIG, "bad-ip-config"), +); +#define vpn_plugin_failure_to_string(failure) NM_UTILS_LOOKUP_STR (_vpn_plugin_failure_to_string, failure) + +static void +plugin_failed (NMVpnConnection *self, guint reason) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + _LOGW ("VPN plugin: failed: %s (%d)", vpn_plugin_failure_to_string (reason), reason); + + switch (reason) { + case NM_VPN_PLUGIN_FAILURE_LOGIN_FAILED: + priv->failure_reason = NM_VPN_CONNECTION_STATE_REASON_LOGIN_FAILED; + break; + case NM_VPN_PLUGIN_FAILURE_BAD_IP_CONFIG: + priv->failure_reason = NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID; + break; + default: + priv->failure_reason = NM_VPN_CONNECTION_STATE_REASON_UNKNOWN; + break; + } +} + +NM_UTILS_LOOKUP_STR_DEFINE_STATIC (_vpn_service_state_to_string, NMVpnServiceState, + NM_UTILS_LOOKUP_DEFAULT (NULL), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_SERVICE_STATE_UNKNOWN, "unknown"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_SERVICE_STATE_INIT, "init"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_SERVICE_STATE_SHUTDOWN, "shutdown"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_SERVICE_STATE_STARTING, "starting"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_SERVICE_STATE_STARTED, "started"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_SERVICE_STATE_STOPPING, "stopping"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_SERVICE_STATE_STOPPED, "stopped"), +); +#define vpn_service_state_to_string(state) NM_UTILS_LOOKUP_STR (_vpn_service_state_to_string, state) + +NM_UTILS_LOOKUP_STR_DEFINE_STATIC (_vpn_state_to_string, VpnState, + NM_UTILS_LOOKUP_DEFAULT (NULL), + NM_UTILS_LOOKUP_STR_ITEM (STATE_UNKNOWN, "unknown"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_WAITING, "waiting"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_PREPARE, "prepare"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_NEED_AUTH, "need-auth"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_CONNECT, "connect"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_IP_CONFIG_GET, "ip-config-get"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_PRE_UP, "pre-up"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_ACTIVATED, "activated"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_DEACTIVATING, "deactivating"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_DISCONNECTED, "disconnected"), + NM_UTILS_LOOKUP_STR_ITEM (STATE_FAILED, "failed"), +); +#define vpn_state_to_string(state) NM_UTILS_LOOKUP_STR (_vpn_state_to_string, state) + +NM_UTILS_LOOKUP_STR_DEFINE_STATIC (_vpn_reason_to_string, NMVpnConnectionStateReason, + NM_UTILS_LOOKUP_DEFAULT (NULL), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_UNKNOWN, "unknown"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_NONE, "none"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_USER_DISCONNECTED, "user-disconnected"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED, "device-disconnected"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_SERVICE_STOPPED, "service-stopped"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID, "ip-config-invalid"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT, "connect-timeout"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT, "service-start-timeout"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED, "service-start-failed"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS, "no-secrets"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_LOGIN_FAILED, "login-failed"), + NM_UTILS_LOOKUP_STR_ITEM (NM_VPN_CONNECTION_STATE_REASON_CONNECTION_REMOVED, "connection-removed"), +); +#define vpn_reason_to_string(reason) NM_UTILS_LOOKUP_STR (_vpn_reason_to_string, reason) + +static void +plugin_state_changed (NMVpnConnection *self, NMVpnServiceState new_service_state) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + NMVpnServiceState old_service_state = priv->service_state; + + _LOGI ("VPN plugin: state changed: %s (%d)", + vpn_service_state_to_string (new_service_state), new_service_state); + priv->service_state = new_service_state; + + if (new_service_state == NM_VPN_SERVICE_STATE_STOPPED) { + /* Clear connection secrets to ensure secrets get requested each time the + * connection is activated. + */ + nm_active_connection_clear_secrets (NM_ACTIVE_CONNECTION (self)); + + if ((priv->vpn_state >= STATE_WAITING) && (priv->vpn_state <= STATE_ACTIVATED)) { + VpnState old_state = priv->vpn_state; + + _LOGI ("VPN plugin: state change reason: %s (%d)", + vpn_reason_to_string (priv->failure_reason), priv->failure_reason); + _set_vpn_state (self, STATE_FAILED, priv->failure_reason, FALSE); + + /* Reset the failure reason */ + priv->failure_reason = NM_VPN_CONNECTION_STATE_REASON_UNKNOWN; + + /* If the connection failed, the service cannot persist, but the + * connection can persist, ask listeners to re-activate the connection. + */ + if ( old_state == STATE_ACTIVATED + && priv->vpn_state == STATE_FAILED + && _connection_only_can_persist (self)) + g_signal_emit (self, signals[INTERNAL_RETRY_AFTER_FAILURE], 0); + } + } else if (new_service_state == NM_VPN_SERVICE_STATE_STARTING && + old_service_state == NM_VPN_SERVICE_STATE_STARTED) { + /* The VPN service got disconnected and is attempting to reconnect */ + _set_vpn_state (self, STATE_CONNECT, NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT, FALSE); + } +} + +static void +print_vpn_config (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + const NMPlatformIP4Address *address4; + const NMPlatformIP6Address *address6; + char *dns_domain = NULL; + guint32 num, i; + char buf[NM_UTILS_INET_ADDRSTRLEN]; + + if (priv->ip4_external_gw) { + _LOGI ("Data: VPN Gateway: %s", + nm_utils_inet4_ntop (priv->ip4_external_gw, NULL)); + } else if (priv->ip6_external_gw) { + _LOGI ("Data: VPN Gateway: %s", + nm_utils_inet6_ntop (priv->ip6_external_gw, NULL)); + } + + _LOGI ("Data: Tunnel Device: %s%s%s", NM_PRINT_FMT_QUOTE_STRING (priv->ip_iface)); + + if (priv->ip4_config) { + _LOGI ("Data: IPv4 configuration:"); + + address4 = nm_ip4_config_get_address (priv->ip4_config, 0); + + if (priv->ip4_internal_gw) + _LOGI ("Data: Internal Gateway: %s", nm_utils_inet4_ntop (priv->ip4_internal_gw, NULL)); + _LOGI ("Data: Internal Address: %s", nm_utils_inet4_ntop (address4->address, NULL)); + _LOGI ("Data: Internal Prefix: %d", address4->plen); + _LOGI ("Data: Internal Point-to-Point Address: %s", nm_utils_inet4_ntop (address4->peer_address, NULL)); + _LOGI ("Data: Maximum Segment Size (MSS): %d", nm_ip4_config_get_mss (priv->ip4_config)); + + num = nm_ip4_config_get_num_routes (priv->ip4_config); + for (i = 0; i < num; i++) { + const NMPlatformIP4Route *route = nm_ip4_config_get_route (priv->ip4_config, i); + + _LOGI ("Data: Static Route: %s/%d Next Hop: %s", + nm_utils_inet4_ntop (route->network, NULL), + route->plen, + nm_utils_inet4_ntop (route->gateway, buf)); + } + + _LOGI ("Data: Forbid Default Route: %s", + nm_ip4_config_get_never_default (priv->ip4_config) ? "yes" : "no"); + + num = nm_ip4_config_get_num_nameservers (priv->ip4_config); + for (i = 0; i < num; i++) { + _LOGI ("Data: Internal DNS: %s", + nm_utils_inet4_ntop (nm_ip4_config_get_nameserver (priv->ip4_config, i), NULL)); + } + + if (nm_ip4_config_get_num_domains (priv->ip4_config) > 0) + dns_domain = (char *) nm_ip4_config_get_domain (priv->ip4_config, 0); + + _LOGI ("Data: DNS Domain: '%s'", dns_domain ? dns_domain : "(none)"); + } else + _LOGI ("Data: No IPv4 configuration"); + + if (priv->ip6_config) { + _LOGI ("Data: IPv6 configuration:"); + + address6 = nm_ip6_config_get_address (priv->ip6_config, 0); + + if (priv->ip6_internal_gw) + _LOGI ("Data: Internal Gateway: %s", nm_utils_inet6_ntop (priv->ip6_internal_gw, NULL)); + _LOGI ("Data: Internal Address: %s", nm_utils_inet6_ntop (&address6->address, NULL)); + _LOGI ("Data: Internal Prefix: %d", address6->plen); + _LOGI ("Data: Internal Point-to-Point Address: %s", nm_utils_inet6_ntop (&address6->peer_address, NULL)); + _LOGI ("Data: Maximum Segment Size (MSS): %d", nm_ip6_config_get_mss (priv->ip6_config)); + + num = nm_ip6_config_get_num_routes (priv->ip6_config); + for (i = 0; i < num; i++) { + const NMPlatformIP6Route *route = nm_ip6_config_get_route (priv->ip6_config, i); + + _LOGI ("Data: Static Route: %s/%d Next Hop: %s", + nm_utils_inet6_ntop (&route->network, NULL), + route->plen, + nm_utils_inet6_ntop (&route->gateway, buf)); + } + + _LOGI ("Data: Forbid Default Route: %s", + nm_ip6_config_get_never_default (priv->ip6_config) ? "yes" : "no"); + + num = nm_ip6_config_get_num_nameservers (priv->ip6_config); + for (i = 0; i < num; i++) { + _LOGI ("Data: Internal DNS: %s", + nm_utils_inet6_ntop (nm_ip6_config_get_nameserver (priv->ip6_config, i), NULL)); + } + + if (nm_ip6_config_get_num_domains (priv->ip6_config) > 0) + dns_domain = (char *) nm_ip6_config_get_domain (priv->ip6_config, 0); + + _LOGI ("Data: DNS Domain: '%s'", dns_domain ? dns_domain : "(none)"); + } else + _LOGI ("Data: No IPv6 configuration"); + + if (priv->banner && strlen (priv->banner)) { + _LOGI ("Data: Login Banner:"); + _LOGI ("Data: -----------------------------------------"); + _LOGI ("Data: %s", priv->banner); + _LOGI ("Data: -----------------------------------------"); + } +} + +static void +apply_parent_device_config (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + NMDevice *parent_dev = nm_active_connection_get_device (NM_ACTIVE_CONNECTION (self)); + NMIP4Config *vpn4_parent_config = NULL; + NMIP6Config *vpn6_parent_config = NULL; + + if (priv->ip_ifindex > 0) { + if (priv->ip4_config) + vpn4_parent_config = nm_ip4_config_new (priv->ip_ifindex); + if (priv->ip6_config) + vpn6_parent_config = nm_ip6_config_new (priv->ip_ifindex); + } else { + int ifindex; + + /* If the VPN didn't return a network interface, it is a route-based + * VPN (like kernel IPSec) and all IP addressing and routing should + * be done on the parent interface instead. + */ + + /* Also clear the gateway. We don't configure the gateway as part of the + * vpn-config. Instead we tell NMDefaultRouteManager directly about the + * default route. */ + ifindex = nm_device_get_ip_ifindex (parent_dev); + if (priv->ip4_config) { + vpn4_parent_config = nm_ip4_config_new (ifindex); + nm_ip4_config_merge (vpn4_parent_config, priv->ip4_config, NM_IP_CONFIG_MERGE_NO_DNS); + } + if (priv->ip6_config) { + vpn6_parent_config = nm_ip6_config_new (ifindex); + nm_ip6_config_merge (vpn6_parent_config, priv->ip6_config, NM_IP_CONFIG_MERGE_NO_DNS); + nm_ip6_config_set_gateway (vpn6_parent_config, NULL); + } + } + + /* Add any explicit route to the VPN gateway through the parent device */ + if (vpn4_parent_config && priv->ip4_external_gw) + add_ip4_vpn_gateway_route (vpn4_parent_config, parent_dev, priv->ip4_external_gw); + if (vpn6_parent_config && priv->ip6_external_gw) + add_ip6_vpn_gateway_route (vpn6_parent_config, parent_dev, priv->ip6_external_gw); + + nm_device_replace_vpn4_config (parent_dev, priv->last_device_ip4_config, vpn4_parent_config); + g_clear_object (&priv->last_device_ip4_config); + priv->last_device_ip4_config = vpn4_parent_config; + + nm_device_replace_vpn6_config (parent_dev, priv->last_device_ip6_config, vpn6_parent_config); + g_clear_object (&priv->last_device_ip6_config); + priv->last_device_ip6_config = vpn6_parent_config; +} + +static gboolean +nm_vpn_connection_apply_config (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (priv->ip_ifindex > 0) { + nm_platform_link_set_up (NM_PLATFORM_GET, priv->ip_ifindex, NULL); + + if (priv->ip4_config) { + if (!nm_ip4_config_commit (priv->ip4_config, priv->ip_ifindex, + TRUE, + nm_vpn_connection_get_ip4_route_metric (self))) + return FALSE; + } + + if (priv->ip6_config) { + if (!nm_ip6_config_commit (priv->ip6_config, + priv->ip_ifindex, + TRUE)) + return FALSE; + } + + if (priv->mtu && priv->mtu != nm_platform_link_get_mtu (NM_PLATFORM_GET, priv->ip_ifindex)) + nm_platform_link_set_mtu (NM_PLATFORM_GET, priv->ip_ifindex, priv->mtu); + } + + apply_parent_device_config (self); + + nm_default_route_manager_ip4_update_default_route (priv->default_route_manager, self); + nm_default_route_manager_ip6_update_default_route (priv->default_route_manager, self); + + _LOGI ("VPN connection: (IP Config Get) complete"); + if (priv->vpn_state < STATE_PRE_UP) + _set_vpn_state (self, STATE_PRE_UP, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); + return TRUE; +} + +static void +_cleanup_failed_config (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + nm_exported_object_clear_and_unexport (&priv->ip4_config); + nm_exported_object_clear_and_unexport (&priv->ip6_config); + + _LOGW ("VPN connection: did not receive valid IP config information"); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID, FALSE); +} + +static void +fw_change_zone_cb (NMFirewallManager *firewall_manager, + NMFirewallManagerCallId call_id, + GError *error, + gpointer user_data) +{ + NMVpnConnection *self = user_data; + NMVpnConnectionPrivate *priv; + + g_return_if_fail (NM_IS_VPN_CONNECTION (self)); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + g_return_if_fail (priv->fw_call == call_id); + + priv->fw_call = NULL; + + if (nm_utils_error_is_cancelled (error, FALSE)) + return; + + if (error) { + // FIXME: fail the activation? + } + + if (!nm_vpn_connection_apply_config (self)) + _cleanup_failed_config (self); +} + +static void +nm_vpn_connection_config_maybe_complete (NMVpnConnection *self, + gboolean success) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + NMConnection *base_con; + NMSettingConnection *s_con; + const char *zone; + + if (priv->vpn_state < STATE_IP_CONFIG_GET || priv->vpn_state > STATE_ACTIVATED) + return; + + if (success) { + if ( (priv->has_ip4 && !priv->ip4_config) + || (priv->has_ip6 && !priv->ip6_config)) { + /* Need to wait for other config */ + return; + } + } + + nm_clear_g_source (&priv->connect_timeout); + + if (success) { + print_vpn_config (self); + + /* Add the tunnel interface to the specified firewall zone */ + if (priv->ip_iface) { + base_con = _get_applied_connection (self); + s_con = nm_connection_get_setting_connection (base_con); + zone = nm_setting_connection_get_zone (s_con); + + _LOGD ("setting firewall zone %s%s%s for '%s'", + NM_PRINT_FMT_QUOTED (zone, "'", zone, "'", "(default)"), + priv->ip_iface); + fw_call_cleanup (self); + priv->fw_call = nm_firewall_manager_add_or_change_zone (nm_firewall_manager_get (), + priv->ip_iface, + zone, + FALSE, + fw_change_zone_cb, + self); + return; + } else + if (nm_vpn_connection_apply_config (self)) + return; + } + + _cleanup_failed_config (self); +} + +static gboolean +ip6_addr_from_variant (GVariant *v, struct in6_addr *addr) +{ + const guint8 *bytes; + gsize len; + + g_return_val_if_fail (v, FALSE); + g_return_val_if_fail (addr, FALSE); + + if (g_variant_is_of_type (v, G_VARIANT_TYPE ("ay"))) { + bytes = g_variant_get_fixed_array (v, &len, sizeof (guint8)); + if (len == sizeof (struct in6_addr) && !IN6_IS_ADDR_UNSPECIFIED (bytes)) { + memcpy (addr, bytes, len); + return TRUE; + } + } + return FALSE; +} + +static struct in6_addr * +ip6_addr_dup_from_variant (GVariant *v) +{ + struct in6_addr *addr; + + addr = g_malloc0 (sizeof (*addr)); + if (ip6_addr_from_variant (v, addr)) + return addr; + g_free (addr); + return NULL; +} + +static gboolean +process_generic_config (NMVpnConnection *self, GVariant *dict) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + const char *str; + GVariant *v; + guint32 u32; + gboolean b; + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CAN_PERSIST, "b", &b) && b) { + /* Defaults to FALSE, so only let service indicate TRUE */ + priv->service_can_persist = TRUE; + } + + g_clear_pointer (&priv->ip_iface, g_free); + priv->ip_ifindex = 0; + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_TUNDEV, "&s", &str)) { + /* Backwards compat with NM-openswan */ + if (g_strcmp0 (str, "_none_") != 0) + priv->ip_iface = g_strdup (str); + } + + if (priv->ip_iface) { + /* Grab the interface index for address/routing operations */ + priv->ip_ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, priv->ip_iface); + if (priv->ip_ifindex <= 0) { + nm_platform_process_events (NM_PLATFORM_GET); + priv->ip_ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, priv->ip_iface); + } + if (priv->ip_ifindex <= 0) { + _LOGE ("failed to look up VPN interface index for \"%s\"", priv->ip_iface); + g_clear_pointer (&priv->ip_iface, g_free); + priv->ip_ifindex = 0; + nm_vpn_connection_config_maybe_complete (self, FALSE); + return FALSE; + } + } + + g_clear_pointer (&priv->banner, g_free); + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_BANNER, "&s", &str)) { + priv->banner = g_strdup (str); + _notify (self, PROP_BANNER); + } + + /* Proxy Config */ + g_clear_object (&priv->proxy_config); + priv->proxy_config = nm_proxy_config_new (); + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_PROXY_PAC, "&s", &str)) { + nm_proxy_config_set_method (priv->proxy_config, NM_PROXY_CONFIG_METHOD_AUTO); + nm_proxy_config_set_pac_url (priv->proxy_config, str); + } else + nm_proxy_config_set_method (priv->proxy_config, NM_PROXY_CONFIG_METHOD_NONE); + + /* User overrides if any from the NMConnection's Proxy settings */ + nm_proxy_config_merge_setting (priv->proxy_config, + nm_connection_get_setting_proxy (_get_applied_connection (self))); + + /* External world-visible address of the VPN server */ + priv->ip4_external_gw = 0; + g_clear_pointer (&priv->ip6_external_gw, g_free); + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY, "u", &u32)) { + priv->ip4_external_gw = u32; + } else if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY, "@ay", &v)) { + priv->ip6_external_gw = ip6_addr_dup_from_variant (v); + g_variant_unref (v); + + if (!priv->ip6_external_gw) { + _LOGE ("Invalid IPv6 VPN gateway address received"); + nm_vpn_connection_config_maybe_complete (self, FALSE); + return FALSE; + } + } + + priv->mtu = 0; + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_MTU, "u", &u32)) + priv->mtu = u32; + + return TRUE; +} + +static void +nm_vpn_connection_config_get (NMVpnConnection *self, GVariant *dict) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + gboolean b; + + g_return_if_fail (dict && g_variant_is_of_type (dict, G_VARIANT_TYPE_VARDICT)); + + _LOGI ("VPN connection: (IP Config Get) reply received."); + + if (priv->vpn_state == STATE_CONNECT) + _set_vpn_state (self, STATE_IP_CONFIG_GET, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); + + if (!process_generic_config (self, dict)) + return; + + /* Note whether to expect IPv4 and IPv6 configs */ + priv->has_ip4 = FALSE; + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_HAS_IP4, "b", &b)) + priv->has_ip4 = b; + nm_exported_object_clear_and_unexport (&priv->ip4_config); + + priv->has_ip6 = FALSE; + if (g_variant_lookup (dict, NM_VPN_PLUGIN_CONFIG_HAS_IP6, "b", &b)) + priv->has_ip6 = b; + nm_exported_object_clear_and_unexport (&priv->ip6_config); + + nm_vpn_connection_config_maybe_complete (self, TRUE); +} + +guint32 +nm_vpn_connection_get_ip4_route_metric (NMVpnConnection *self) +{ + gint64 route_metric; + NMConnection *applied; + + applied = _get_applied_connection (self); + route_metric = nm_setting_ip_config_get_route_metric (nm_connection_get_setting_ip4_config (applied)); + + return (route_metric >= 0) ? route_metric : NM_VPN_ROUTE_METRIC_DEFAULT; +} + +guint32 +nm_vpn_connection_get_ip6_route_metric (NMVpnConnection *self) +{ + gint64 route_metric; + NMConnection *applied; + + applied = _get_applied_connection (self); + route_metric = nm_setting_ip_config_get_route_metric (nm_connection_get_setting_ip6_config (applied)); + + return (route_metric >= 0) ? route_metric : NM_VPN_ROUTE_METRIC_DEFAULT; +} + +static void +nm_vpn_connection_ip4_config_get (NMVpnConnection *self, GVariant *dict) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + NMPlatformIP4Address address; + NMIP4Config *config; + guint32 u32, route_metric; + GVariantIter *iter; + const char *str; + GVariant *v; + gboolean b; + guint i, n; + int ip_ifindex; + + g_return_if_fail (dict && g_variant_is_of_type (dict, G_VARIANT_TYPE_VARDICT)); + + if (priv->vpn_state == STATE_CONNECT) + _set_vpn_state (self, STATE_IP_CONFIG_GET, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); + + if (priv->vpn_state > STATE_ACTIVATED) { + _LOGI ("VPN connection: (IP4 Config Get) ignoring, the connection is no longer active"); + return; + } + + if (priv->has_ip4) { + _LOGI ("VPN connection: (IP4 Config Get) reply received"); + + if (g_variant_n_children (dict) == 0) { + priv->has_ip4 = FALSE; + nm_vpn_connection_config_maybe_complete (self, TRUE); + return; + } + } else { + _LOGI ("VPN connection: (IP4 Config Get) reply received from old-style plugin"); + + /* In the old API, the generic and IPv4 configuration items + * were mixed together. + */ + if (!process_generic_config (self, dict)) + return; + + priv->has_ip4 = TRUE; + priv->has_ip6 = FALSE; + } + + ip_ifindex = nm_vpn_connection_get_ip_ifindex (self, TRUE); + if (ip_ifindex <= 0) + g_return_if_reached (); + + config = nm_ip4_config_new (ip_ifindex); + nm_ip4_config_set_dns_priority (config, NM_DNS_PRIORITY_DEFAULT_VPN); + + memset (&address, 0, sizeof (address)); + address.plen = 24; + + /* Internal address of the VPN subnet's gateway */ + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_INT_GATEWAY, "u", &u32)) { + priv->ip4_internal_gw = u32; + nm_ip4_config_set_gateway (config, priv->ip4_internal_gw); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_ADDRESS, "u", &u32)) + address.address = u32; + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_PTP, "u", &u32)) + address.peer_address = u32; + else + address.peer_address = address.address; + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, "u", &u32)) + address.plen = u32; + + if (address.address && address.plen && address.plen <= 32) { + address.addr_source = NM_IP_CONFIG_SOURCE_VPN; + nm_ip4_config_add_address (config, &address); + } else { + _LOGW ("invalid IP4 config received!"); + g_object_unref (config); + nm_vpn_connection_config_maybe_complete (self, FALSE); + return; + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_DNS, "au", &iter)) { + while (g_variant_iter_next (iter, "u", &u32)) + nm_ip4_config_add_nameserver (config, u32); + g_variant_iter_free (iter); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_NBNS, "au", &iter)) { + while (g_variant_iter_next (iter, "u", &u32)) + nm_ip4_config_add_wins (config, u32); + g_variant_iter_free (iter); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_MSS, "u", &u32)) + nm_ip4_config_set_mss (config, u32); + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_DOMAIN, "&s", &str)) + nm_ip4_config_add_domain (config, str); + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_DOMAINS, "as", &iter)) { + while (g_variant_iter_next (iter, "&s", &str)) + nm_ip4_config_add_domain (config, str); + g_variant_iter_free (iter); + } + + route_metric = nm_vpn_connection_get_ip4_route_metric (self); + + if ( g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_PRESERVE_ROUTES, "b", &b) + && b) { + if (priv->ip4_config) { + n = nm_ip4_config_get_num_routes (priv->ip4_config); + for (i = 0; i < n; i++) + nm_ip4_config_add_route (config, nm_ip4_config_get_route (priv->ip4_config, i)); + } + } else if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_ROUTES, "aau", &iter)) { + while (g_variant_iter_next (iter, "@au", &v)) { + NMPlatformIP4Route route = { 0, }; + guint32 plen; + + switch (g_variant_n_children (v)) { + case 5: + g_variant_get_child (v, 4, "u", &route.pref_src); + /* fallthrough */ + case 4: + g_variant_get_child (v, 0, "u", &route.network); + g_variant_get_child (v, 1, "u", &plen); + g_variant_get_child (v, 2, "u", &route.gateway); + /* 4th item is unused route metric */ + route.metric = route_metric; + route.rt_source = NM_IP_CONFIG_SOURCE_VPN; + + if (plen > 32 || plen == 0) + break; + route.plen = plen; + + /* Ignore host routes to the VPN gateway since NM adds one itself + * below. Since NM knows more about the routing situation than + * the VPN server, we want to use the NM created route instead of + * whatever the server provides. + */ + if (!(priv->ip4_external_gw && route.network == priv->ip4_external_gw && route.plen == 32)) + nm_ip4_config_add_route (config, &route); + break; + default: + break; + } + g_variant_unref (v); + } + g_variant_iter_free (iter); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP4_CONFIG_NEVER_DEFAULT, "b", &b)) + nm_ip4_config_set_never_default (config, b); + + /* Merge in user overrides from the NMConnection's IPv4 setting */ + nm_ip4_config_merge_setting (config, + nm_connection_get_setting_ip4_config (_get_applied_connection (self)), + route_metric); + + if (priv->ip4_config) { + nm_ip4_config_replace (priv->ip4_config, config, NULL); + g_object_unref (config); + } else { + priv->ip4_config = config; + nm_exported_object_export (NM_EXPORTED_OBJECT (config)); + g_object_notify ((GObject *) self, NM_ACTIVE_CONNECTION_IP4_CONFIG); + } + + nm_vpn_connection_config_maybe_complete (self, TRUE); +} + +static void +nm_vpn_connection_ip6_config_get (NMVpnConnection *self, GVariant *dict) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + NMPlatformIP6Address address; + guint32 u32, route_metric; + NMIP6Config *config; + GVariantIter *iter; + const char *str; + GVariant *v; + gboolean b; + guint i, n; + int ip_ifindex; + + g_return_if_fail (dict && g_variant_is_of_type (dict, G_VARIANT_TYPE_VARDICT)); + + _LOGI ("VPN connection: (IP6 Config Get) reply received"); + + if (priv->vpn_state == STATE_CONNECT) + _set_vpn_state (self, STATE_IP_CONFIG_GET, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); + + if (priv->vpn_state > STATE_ACTIVATED) { + _LOGI ("VPN connection: (IP6 Config Get) ignoring, the connection is no longer active"); + return; + } + + if (g_variant_n_children (dict) == 0) { + priv->has_ip6 = FALSE; + nm_vpn_connection_config_maybe_complete (self, TRUE); + return; + } + + ip_ifindex = nm_vpn_connection_get_ip_ifindex (self, TRUE); + if (ip_ifindex <= 0) + g_return_if_reached (); + + config = nm_ip6_config_new (ip_ifindex); + nm_ip6_config_set_dns_priority (config, NM_DNS_PRIORITY_DEFAULT_VPN); + + memset (&address, 0, sizeof (address)); + address.plen = 128; + + /* Internal address of the VPN subnet's gateway */ + g_clear_pointer (&priv->ip6_internal_gw, g_free); + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_INT_GATEWAY, "@ay", &v)) { + priv->ip6_internal_gw = ip6_addr_dup_from_variant (v); + nm_ip6_config_set_gateway (config, priv->ip6_internal_gw); + g_variant_unref (v); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_ADDRESS, "@ay", &v)) { + ip6_addr_from_variant (v, &address.address); + g_variant_unref (v); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_PTP, "@ay", &v)) { + ip6_addr_from_variant (v, &address.peer_address); + g_variant_unref (v); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_PREFIX, "u", &u32)) + address.plen = u32; + + if (!IN6_IS_ADDR_UNSPECIFIED (&address.address) && address.plen && address.plen <= 128) { + address.addr_source = NM_IP_CONFIG_SOURCE_VPN; + nm_ip6_config_add_address (config, &address); + } else { + _LOGW ("invalid IP6 config received!"); + g_object_unref (config); + nm_vpn_connection_config_maybe_complete (self, FALSE); + return; + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_DNS, "aay", &iter)) { + while (g_variant_iter_next (iter, "@ay", &v)) { + struct in6_addr dns; + + if (ip6_addr_from_variant (v, &dns)) + nm_ip6_config_add_nameserver (config, &dns); + g_variant_unref (v); + } + g_variant_iter_free (iter); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_MSS, "u", &u32)) + nm_ip6_config_set_mss (config, u32); + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_DOMAIN, "&s", &str)) + nm_ip6_config_add_domain (config, str); + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_DOMAINS, "as", &iter)) { + while (g_variant_iter_next (iter, "&s", &str)) + nm_ip6_config_add_domain (config, str); + g_variant_iter_free (iter); + } + + route_metric = nm_vpn_connection_get_ip6_route_metric (self); + + if ( g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_PRESERVE_ROUTES, "b", &b) + && b) { + if (priv->ip6_config) { + n = nm_ip6_config_get_num_routes (priv->ip6_config); + for (i = 0; i < n; i++) + nm_ip6_config_add_route (config, nm_ip6_config_get_route (priv->ip6_config, i)); + } + } else if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_ROUTES, "a(ayuayu)", &iter)) { + GVariant *dest, *next_hop; + guint32 prefix, metric; + + while (g_variant_iter_next (iter, "(@ayu@ayu)", &dest, &prefix, &next_hop, &metric)) { + NMPlatformIP6Route route; + + memset (&route, 0, sizeof (route)); + + if (!ip6_addr_from_variant (dest, &route.network)) + goto next; + + if (prefix > 128 || prefix == 0) + goto next; + + route.plen = prefix; + ip6_addr_from_variant (next_hop, &route.gateway); + route.metric = route_metric; + route.rt_source = NM_IP_CONFIG_SOURCE_VPN; + + /* Ignore host routes to the VPN gateway since NM adds one itself. + * Since NM knows more about the routing situation than the VPN + * server, we want to use the NM created route instead of whatever + * the server provides. + */ + if (!(priv->ip6_external_gw && IN6_ARE_ADDR_EQUAL (&route.network, priv->ip6_external_gw) && route.plen == 128)) + nm_ip6_config_add_route (config, &route); + +next: + g_variant_unref (dest); + g_variant_unref (next_hop); + } + g_variant_iter_free (iter); + } + + if (g_variant_lookup (dict, NM_VPN_PLUGIN_IP6_CONFIG_NEVER_DEFAULT, "b", &b)) + nm_ip6_config_set_never_default (config, b); + + /* Merge in user overrides from the NMConnection's IPv6 setting */ + nm_ip6_config_merge_setting (config, + nm_connection_get_setting_ip6_config (_get_applied_connection (self)), + route_metric); + + if (priv->ip6_config) { + nm_ip6_config_replace (priv->ip6_config, config, NULL); + g_object_unref (config); + } else { + priv->ip6_config = config; + nm_exported_object_export (NM_EXPORTED_OBJECT (config)); + g_object_notify ((GObject *) self, NM_ACTIVE_CONNECTION_IP6_CONFIG); + } + + nm_vpn_connection_config_maybe_complete (self, TRUE); +} + +static gboolean +connect_timeout_cb (gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + priv->connect_timeout = 0; + + /* Cancel activation if it's taken too long */ + if (priv->vpn_state == STATE_CONNECT || + priv->vpn_state == STATE_IP_CONFIG_GET) { + _LOGW ("VPN connection: connect timeout exceeded."); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT, FALSE); + } + + return FALSE; +} + +static void +connect_success (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + NMSettingVpn *s_vpn; + guint32 timeout; + + s_vpn = nm_connection_get_setting_vpn (_get_applied_connection (self)); + g_assert (s_vpn); + + /* Timeout waiting for IP config signal from VPN service + * It is a configured value or 60 seconds */ + timeout = nm_setting_vpn_get_timeout (s_vpn); + if (timeout == 0) { + char *value; + + value = nm_config_data_get_connection_default (NM_CONFIG_GET_DATA, + "vpn.timeout", NULL); + timeout = _nm_utils_ascii_str_to_int64 (value, 10, 0, G_MAXUINT32, 60); + timeout = timeout == 0 ? 60 : timeout; + g_free (value); + } + priv->connect_timeout = g_timeout_add_seconds (timeout, connect_timeout_cb, self); + + g_clear_pointer (&priv->connect_hash, g_variant_unref); +} + +static void +connect_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data) +{ + NMVpnConnection *self; + gs_unref_variant GVariant *reply = NULL; + gs_free_error GError *error = NULL; + + reply = g_dbus_proxy_call_finish (proxy, result, &error); + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + self = NM_VPN_CONNECTION (user_data); + + if (error) { + g_dbus_error_strip_remote_error (error); + _LOGW ("VPN connection: failed to connect: '%s'", + error->message); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED, FALSE); + } else + connect_success (self); +} + +static void +connect_interactive_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data) +{ + NMVpnConnection *self; + NMVpnConnectionPrivate *priv; + gs_unref_variant GVariant *reply = NULL; + gs_free_error GError *error = NULL; + + reply = g_dbus_proxy_call_finish (proxy, result, &error); + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + self = NM_VPN_CONNECTION (user_data); + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + _LOGI ("VPN connection: (ConnectInteractive) reply received"); + + if (g_error_matches (error, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_INTERACTIVE_NOT_SUPPORTED)) { + _LOGD ("VPN connection: falling back to non-interactive connect"); + + /* Fall back to Connect() */ + g_dbus_proxy_call (priv->proxy, + "Connect", + g_variant_new ("(@a{sa{sv}})", priv->connect_hash), + G_DBUS_CALL_FLAGS_NONE, + -1, + priv->cancellable, + (GAsyncReadyCallback) connect_cb, + self); + } else if (error) { + g_dbus_error_strip_remote_error (error); + _LOGW ("VPN connection: failed to connect interactively: '%s'", + error->message); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED, FALSE); + } else + connect_success (self); +} + +/* Add a username to a hashed connection */ +static GVariant * +_hash_with_username (NMConnection *connection, const char *username) +{ + gs_unref_object NMConnection *dup = NULL; + NMSettingVpn *s_vpn; + + /* Shortcut if we weren't given a username or if there already was one in + * the VPN setting; don't bother duplicating the connection and everything. + */ + s_vpn = nm_connection_get_setting_vpn (connection); + g_assert (s_vpn); + if (username == NULL || nm_setting_vpn_get_user_name (s_vpn)) + return nm_connection_to_dbus (connection, NM_CONNECTION_SERIALIZE_ALL); + + dup = nm_simple_connection_new_clone (connection); + g_assert (dup); + s_vpn = nm_connection_get_setting_vpn (dup); + g_assert (s_vpn); + g_object_set (s_vpn, NM_SETTING_VPN_USER_NAME, username, NULL); + return nm_connection_to_dbus (dup, NM_CONNECTION_SERIALIZE_ALL); +} + +static void +really_activate (NMVpnConnection *self, const char *username) +{ + NMVpnConnectionPrivate *priv; + GVariantBuilder details; + + g_return_if_fail (NM_IS_VPN_CONNECTION (self)); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + g_return_if_fail (priv->vpn_state == STATE_NEED_AUTH); + + g_clear_pointer (&priv->connect_hash, g_variant_unref); + priv->connect_hash = _hash_with_username (_get_applied_connection (self), username); + g_variant_ref_sink (priv->connect_hash); + + /* If at least one agent doesn't support VPN hints, then we can't use + * ConnectInteractive(), because that agent won't be able to pass hints + * from the VPN plugin's interactive secrets requests to the VPN authentication + * dialog and we won't get the secrets we need. In this case fall back to + * the old Connect() call. + */ + if (nm_agent_manager_all_agents_have_capability (nm_agent_manager_get (), + nm_active_connection_get_subject (NM_ACTIVE_CONNECTION (self)), + NM_SECRET_AGENT_CAPABILITY_VPN_HINTS)) { + _LOGD ("Allowing interactive secrets as all agents have that capability"); + + g_variant_builder_init (&details, G_VARIANT_TYPE_VARDICT); + g_dbus_proxy_call (priv->proxy, + "ConnectInteractive", + g_variant_new ("(@a{sa{sv}}a{sv})", priv->connect_hash, &details), + G_DBUS_CALL_FLAGS_NONE, + -1, + priv->cancellable, + (GAsyncReadyCallback) connect_interactive_cb, + self); + } else { + _LOGD ("Calling old Connect function as not all agents support interactive secrets"); + g_dbus_proxy_call (priv->proxy, + "Connect", + g_variant_new ("(@a{sa{sv}})", priv->connect_hash), + G_DBUS_CALL_FLAGS_NONE, + -1, + priv->cancellable, + (GAsyncReadyCallback) connect_cb, + self); + } + + _set_vpn_state (self, STATE_CONNECT, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); +} + +static void +failure_cb (GDBusProxy *proxy, + guint32 reason, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + + plugin_failed (self, reason); +} + +static void +state_changed_cb (GDBusProxy *proxy, + guint32 new_service_state, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + + plugin_state_changed (self, new_service_state); +} + +static void +secrets_required_cb (GDBusProxy *proxy, + const char *message, + const char **secrets, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + + plugin_interactive_secrets_required (self, message, secrets); +} + +static void +config_cb (GDBusProxy *proxy, + GVariant *dict, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + /* Only list to this signals during and after connection */ + if (priv->vpn_state >= STATE_NEED_AUTH) + nm_vpn_connection_config_get (self, dict); +} + +static void +ip4_config_cb (GDBusProxy *proxy, + GVariant *dict, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + /* Only list to this signals during and after connection */ + if (priv->vpn_state >= STATE_NEED_AUTH) + nm_vpn_connection_ip4_config_get (self, dict); +} + +static void +ip6_config_cb (GDBusProxy *proxy, + GVariant *dict, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + /* Only list to this signals during and after connection */ + if (priv->vpn_state >= STATE_NEED_AUTH) + nm_vpn_connection_ip6_config_get (self, dict); +} + +static void +_name_owner_changed (GObject *object, + GParamSpec *pspec, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + char *owner; + + owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (object)); + + if (owner && !priv->service_running) { + /* service appeared */ + priv->service_running = TRUE; + _LOGI ("Saw the service appear; activating connection"); + + /* No need to wait for the timeout any longer */ + nm_clear_g_source (&priv->start_timeout); + + /* Expect success because the VPN service has already appeared */ + _nm_dbus_signal_connect (priv->proxy, "Failure", G_VARIANT_TYPE ("(u)"), + G_CALLBACK (failure_cb), self); + _nm_dbus_signal_connect (priv->proxy, "StateChanged", G_VARIANT_TYPE ("(u)"), + G_CALLBACK (state_changed_cb), self); + _nm_dbus_signal_connect (priv->proxy, "SecretsRequired", G_VARIANT_TYPE ("(sas)"), + G_CALLBACK (secrets_required_cb), self); + _nm_dbus_signal_connect (priv->proxy, "Config", G_VARIANT_TYPE ("(a{sv})"), + G_CALLBACK (config_cb), self); + _nm_dbus_signal_connect (priv->proxy, "Ip4Config", G_VARIANT_TYPE ("(a{sv})"), + G_CALLBACK (ip4_config_cb), self); + _nm_dbus_signal_connect (priv->proxy, "Ip6Config", G_VARIANT_TYPE ("(a{sv})"), + G_CALLBACK (ip6_config_cb), self); + + _set_vpn_state (self, STATE_NEED_AUTH, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); + + /* Kick off the secrets requests; first we get existing system secrets + * and ask the plugin if these are sufficient, next we get all existing + * secrets from system and from user agents and ask the plugin again, + * and last we ask the user for new secrets if required. + */ + get_secrets (self, SECRETS_REQ_SYSTEM, NULL); + } else if (!owner && priv->service_running) { + /* service went away */ + priv->service_running = FALSE; + _LOGI ("VPN service disappeared"); + nm_vpn_connection_disconnect (self, NM_VPN_CONNECTION_STATE_REASON_SERVICE_STOPPED, FALSE); + } + + g_free (owner); +} + + +static gboolean +_daemon_exec_timeout (gpointer data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (data); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + _LOGW ("Timed out waiting for the service to start"); + priv->start_timeout = 0; + nm_vpn_connection_disconnect (self, NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT, FALSE); + return G_SOURCE_REMOVE; +} + +static int +_get_log_level (void) +{ + NMLogLevel level; + + /* curiously enough, nm-logging also uses syslog. But it + * maps NMLogLevel differently to the syslog levels then we + * do here. + * + * The reason is, that LOG_NOTICE is already something worth + * highlighting in the journal, but we have 3 levels that are + * lower then LOG_NOTICE (LOGL_TRACE, LOGL_DEBUG, LOGL_INFO), + * On the other hand, syslog only defines LOG_DEBUG and LOG_INFO. + * Thus, we must map them differently. + * + * Inside the VPN plugin, you might want to treat LOG_NOTICE as + * as low severity, not worthy to be highlighted (like NM does). */ + + level = nm_logging_get_level (LOGD_VPN_PLUGIN); + if (level != _LOGL_OFF) { + if (level <= LOGL_TRACE) + return LOG_DEBUG; + if (level <= LOGL_DEBUG) + return LOG_INFO; + if (level <= LOGL_INFO) + return LOG_NOTICE; + if (level <= LOGL_WARN) + return LOG_WARNING; + if (level <= LOGL_ERR) + return LOG_ERR; + } + + return LOG_EMERG; +} + +static gboolean +nm_vpn_service_daemon_exec (NMVpnConnection *self, GError **error) +{ + NMVpnConnectionPrivate *priv; + GPid pid; + char *vpn_argv[4]; + gboolean success = FALSE; + GError *spawn_error = NULL; + guint i, j, n_environ; + gs_free char **envp = NULL; + char env_log_level[NM_STRLEN ("NM_VPN_LOG_LEVEL=") + 100]; + char env_log_syslog[NM_STRLEN ("NM_VPN_LOG_SYSLOG=") + 10]; + const int N_ENVIRON_EXTRA = 3; + char **p_environ; + + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), FALSE); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + i = 0; + vpn_argv[i++] = (char *) nm_vpn_plugin_info_get_program (priv->plugin_info); + g_return_val_if_fail (vpn_argv[0], FALSE); + if (nm_vpn_plugin_info_supports_multiple (priv->plugin_info)) { + vpn_argv[i++] = "--bus-name"; + vpn_argv[i++] = priv->bus_name; + } + vpn_argv[i++] = NULL; + + /* we include <unistd.h> and "config.h" defines _GNU_SOURCE for us. So, we have @environ. */ + p_environ = environ; + n_environ = p_environ ? g_strv_length (p_environ) : 0; + envp = g_new (char *, n_environ + N_ENVIRON_EXTRA); + for (i = 0, j = 0; j < n_environ; j++) { + if ( g_str_has_prefix (p_environ[j], "NM_VPN_LOG_LEVEL=") + || g_str_has_prefix (p_environ[j], "NM_VPN_LOG_SYSLOG=")) + continue; + envp[i++] = p_environ[j]; + } + + /* NM_VPN_LOG_LEVEL: the syslog logging level for the plugin. */ + envp[i++] = nm_sprintf_buf (env_log_level, "NM_VPN_LOG_LEVEL=%d", _get_log_level ()); + + /* NM_VPN_LOG_SYSLOG: whether to log to stdout or syslog. If NetworkManager itself runs in + * foreground, we also want the plugin to log to stdout. + * If the plugin runs in background, the plugin should prefer logging to syslog. Otherwise + * logging messages will be lost (unless using journald, in which case it wouldn't matter). */ + envp[i++] = nm_sprintf_buf (env_log_syslog, "NM_VPN_LOG_SYSLOG=%c", nm_logging_syslog_enabled () ? '1' : '0'); + + envp[i++] = NULL; + nm_assert (i <= n_environ + N_ENVIRON_EXTRA); + + success = g_spawn_async (NULL, vpn_argv, envp, 0, nm_utils_setpgid, NULL, &pid, &spawn_error); + + if (success) { + _LOGI ("Started the VPN service, PID %ld", (long int) pid); + priv->start_timeout = g_timeout_add_seconds (5, _daemon_exec_timeout, self); + } else { + g_set_error (error, + NM_MANAGER_ERROR, NM_MANAGER_ERROR_FAILED, + "%s", spawn_error ? spawn_error->message : "unknown g_spawn_async() error"); + + if (spawn_error) + g_error_free (spawn_error); + } + + return success; +} + +static void +on_proxy_acquired (GObject *object, GAsyncResult *result, gpointer user_data) +{ + NMVpnConnection *self; + NMVpnConnectionPrivate *priv; + gs_free_error GError *error = NULL; + GDBusProxy *proxy; + + proxy = g_dbus_proxy_new_for_bus_finish (result, &error); + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + self = NM_VPN_CONNECTION (user_data); + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (error) { + _LOGE ("failed to acquire dbus proxy for VPN service: %s", + error->message); + _set_vpn_state (self, + STATE_FAILED, + NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED, + FALSE); + return; + } + + priv->proxy = proxy; + + g_signal_connect (priv->proxy, "notify::g-name-owner", + G_CALLBACK (_name_owner_changed), self); + _name_owner_changed (G_OBJECT (priv->proxy), NULL, self); + + if (priv->service_running) + return; + + if (!nm_vpn_service_daemon_exec (self, &error)) { + _LOGW ("Could not launch the VPN service. error: %s.", + error->message); + + nm_vpn_connection_disconnect (self, NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED, FALSE); + } +} + +void +nm_vpn_connection_activate (NMVpnConnection *self, + NMVpnPluginInfo *plugin_info) +{ + NMVpnConnectionPrivate *priv; + NMSettingVpn *s_vpn; + const char *service; + + g_return_if_fail (NM_IS_VPN_CONNECTION (self)); + g_return_if_fail (NM_IS_VPN_PLUGIN_INFO (plugin_info)); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + g_return_if_fail (!priv->plugin_info); + + s_vpn = nm_connection_get_setting_vpn (_get_applied_connection (self)); + g_return_if_fail (s_vpn); + + service = nm_vpn_plugin_info_get_service (plugin_info); + nm_assert (service); + + if (nm_vpn_plugin_info_supports_multiple (plugin_info)) { + const char *path; + + path = nm_exported_object_get_path (NM_EXPORTED_OBJECT (self)); + if (path) + path = strrchr (path, '/'); + g_return_if_fail (path); + + priv->bus_name = g_strdup_printf ("%s.Connection_%s", service, &path[1]); + } else + priv->bus_name = g_strdup (service); + + priv->connection_can_persist = nm_setting_vpn_get_persistent (s_vpn); + priv->plugin_info = g_object_ref (plugin_info); + priv->cancellable = g_cancellable_new (); + + g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, + G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES, + NULL, + priv->bus_name, + NM_VPN_DBUS_PLUGIN_PATH, + NM_VPN_DBUS_PLUGIN_INTERFACE, + priv->cancellable, + (GAsyncReadyCallback) on_proxy_acquired, + self); + + _set_vpn_state (self, STATE_PREPARE, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); +} + +NMVpnConnectionState +nm_vpn_connection_get_vpn_state (NMVpnConnection *self) +{ + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), NM_VPN_CONNECTION_STATE_UNKNOWN); + + return _state_to_nm_vpn_state (NM_VPN_CONNECTION_GET_PRIVATE (self)->vpn_state); +} + +const char * +nm_vpn_connection_get_banner (NMVpnConnection *self) +{ + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), NULL); + + return NM_VPN_CONNECTION_GET_PRIVATE (self)->banner; +} + +NMProxyConfig * +nm_vpn_connection_get_proxy_config (NMVpnConnection *self) +{ + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), NULL); + + return NM_VPN_CONNECTION_GET_PRIVATE (self)->proxy_config; +} + +NMIP4Config * +nm_vpn_connection_get_ip4_config (NMVpnConnection *self) +{ + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), NULL); + + return NM_VPN_CONNECTION_GET_PRIVATE (self)->ip4_config; +} + +NMIP6Config * +nm_vpn_connection_get_ip6_config (NMVpnConnection *self) +{ + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), NULL); + + return NM_VPN_CONNECTION_GET_PRIVATE (self)->ip6_config; +} + +static int +_get_ip_iface_for_device (NMVpnConnection *self, const char **out_iface) +{ + NMDevice *parent_dev; + int ifindex; + const char *iface; + + nm_assert (NM_IS_VPN_CONNECTION (self)); + + /* the ifindex and the ifname in this case should come together. + * They either must be both set, or none. */ + + parent_dev = nm_active_connection_get_device (NM_ACTIVE_CONNECTION (self)); + if (!parent_dev) + goto none; + ifindex = nm_device_get_ip_ifindex (parent_dev); + if (ifindex <= 0) + goto none; + iface = nm_device_get_ip_iface (parent_dev); + if (!iface) + goto none; + + NM_SET_OUT (out_iface, iface); + return ifindex; +none: + NM_SET_OUT (out_iface, NULL); + return 0; +} + +const char * +nm_vpn_connection_get_ip_iface (NMVpnConnection *self, gboolean fallback_device) +{ + NMVpnConnectionPrivate *priv; + const char *iface; + + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), NULL); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (priv->ip_iface || !fallback_device) + return priv->ip_iface; + + _get_ip_iface_for_device (self, &iface); + return iface; +} + +int +nm_vpn_connection_get_ip_ifindex (NMVpnConnection *self, gboolean fallback_device) +{ + NMVpnConnectionPrivate *priv; + + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), 0); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (priv->ip_ifindex > 0) + return priv->ip_ifindex; + if (!fallback_device) + return 0; + + return _get_ip_iface_for_device (self, NULL); +} + +guint32 +nm_vpn_connection_get_ip4_internal_gateway (NMVpnConnection *self) +{ + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), 0); + + return NM_VPN_CONNECTION_GET_PRIVATE (self)->ip4_internal_gw; +} + +struct in6_addr * +nm_vpn_connection_get_ip6_internal_gateway (NMVpnConnection *self) +{ + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), 0); + + return NM_VPN_CONNECTION_GET_PRIVATE (self)->ip6_internal_gw; +} + +void +nm_vpn_connection_disconnect (NMVpnConnection *self, + NMVpnConnectionStateReason reason, + gboolean quitting) +{ + g_return_if_fail (NM_IS_VPN_CONNECTION (self)); + + _set_vpn_state (self, STATE_DISCONNECTED, reason, quitting); +} + +gboolean +nm_vpn_connection_deactivate (NMVpnConnection *self, + NMVpnConnectionStateReason reason, + gboolean quitting) +{ + NMVpnConnectionPrivate *priv; + gboolean success = FALSE; + + g_return_val_if_fail (NM_IS_VPN_CONNECTION (self), FALSE); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + if (priv->vpn_state > STATE_UNKNOWN && priv->vpn_state <= STATE_DEACTIVATING) { + _set_vpn_state (self, STATE_DEACTIVATING, reason, quitting); + success = TRUE; + } + return success; +} + +/*****************************************************************************/ + +static void +plugin_need_secrets_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data) +{ + NMVpnConnection *self; + NMVpnConnectionPrivate *priv; + gs_unref_variant GVariant *reply = NULL; + gs_free_error GError *error = NULL; + const char *setting_name; + + reply = _nm_dbus_proxy_call_finish (proxy, result, G_VARIANT_TYPE ("(s)"), &error); + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + self = NM_VPN_CONNECTION (user_data); + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (error) { + g_dbus_error_strip_remote_error (error); + _LOGE ("plugin NeedSecrets request #%d failed: %s", + priv->secrets_idx + 1, + error->message); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS, FALSE); + return; + } + + g_variant_get (reply, "(&s)", &setting_name); + if (!strlen (setting_name)) { + _LOGD ("service indicated no additional secrets required"); + + /* No secrets required; we can start the VPN */ + really_activate (self, priv->username); + return; + } + + /* More secrets required */ + if (priv->secrets_idx == SECRETS_REQ_NEW) { + _LOGE ("final secrets request failed to provide sufficient secrets"); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS, FALSE); + } else { + _LOGD ("service indicated additional secrets required"); + get_secrets (self, priv->secrets_idx + 1, NULL); + } +} + +static void +plugin_new_secrets_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data) +{ + NMVpnConnection *self; + NMVpnConnectionPrivate *priv; + gs_unref_variant GVariant *reply = NULL; + gs_free_error GError *error = NULL; + + reply = g_dbus_proxy_call_finish (proxy, result, &error); + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + self = NM_VPN_CONNECTION (user_data); + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + if (error) { + g_dbus_error_strip_remote_error (error); + _LOGE ("sending new secrets to the plugin failed: %s", + error->message); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS, FALSE); + } else + _set_vpn_state (self, STATE_CONNECT, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); +} + +static void +get_secrets_cb (NMSettingsConnection *connection, + NMSettingsConnectionCallId call_id, + const char *agent_username, + const char *setting_name, + GError *error, + gpointer user_data) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (user_data); + NMVpnConnectionPrivate *priv; + GVariant *dict; + + g_return_if_fail (NM_IS_VPN_CONNECTION (self)); + + priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + g_return_if_fail (connection && connection == _get_settings_connection (self, FALSE)); + g_return_if_fail (call_id == priv->secrets_id); + + priv->secrets_id = NULL; + + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + if (error && priv->secrets_idx >= SECRETS_REQ_NEW) { + _LOGE ("Failed to request VPN secrets #%d: %s", + priv->secrets_idx + 1, error->message); + _set_vpn_state (self, STATE_FAILED, NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS, FALSE); + return; + } + + /* Cache the username for later */ + if (agent_username) { + g_free (priv->username); + priv->username = g_strdup (agent_username); + } + + dict = _hash_with_username (_get_applied_connection (self), priv->username); + + if (priv->secrets_idx == SECRETS_REQ_INTERACTIVE) { + _LOGD ("sending secrets to the plugin"); + + /* Send the secrets back to the plugin */ + g_dbus_proxy_call (priv->proxy, + "NewSecrets", + g_variant_new ("(@a{sa{sv}})", dict), + G_DBUS_CALL_FLAGS_NONE, + -1, + priv->cancellable, + (GAsyncReadyCallback) plugin_new_secrets_cb, + self); + } else { + _LOGD ("asking service if additional secrets are required"); + + /* Ask the VPN service if more secrets are required */ + g_dbus_proxy_call (priv->proxy, + "NeedSecrets", + g_variant_new ("(@a{sa{sv}})", dict), + G_DBUS_CALL_FLAGS_NONE, + -1, + priv->cancellable, + (GAsyncReadyCallback) plugin_need_secrets_cb, + self); + } +} + +static void +get_secrets (NMVpnConnection *self, + SecretsReq secrets_idx, + const char **hints) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + NMSecretAgentGetSecretsFlags flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_NONE; + + g_return_if_fail (secrets_idx < SECRETS_REQ_LAST); + priv->secrets_idx = secrets_idx; + + cancel_get_secrets (self); + + _LOGD ("requesting VPN secrets pass #%d", + priv->secrets_idx + 1); + + switch (priv->secrets_idx) { + case SECRETS_REQ_SYSTEM: + flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_ONLY_SYSTEM; + break; + case SECRETS_REQ_EXISTING: + flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_NONE; + break; + case SECRETS_REQ_NEW: + case SECRETS_REQ_INTERACTIVE: + flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION; + break; + default: + g_assert_not_reached (); + } + + if (nm_active_connection_get_user_requested (NM_ACTIVE_CONNECTION (self))) + flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_USER_REQUESTED; + + priv->secrets_id = nm_settings_connection_get_secrets (_get_settings_connection (self, FALSE), + _get_applied_connection (self), + nm_active_connection_get_subject (NM_ACTIVE_CONNECTION (self)), + NM_SETTING_VPN_SETTING_NAME, + flags, + hints, + get_secrets_cb, + self); + g_return_if_fail (priv->secrets_id); +} + +static void +plugin_interactive_secrets_required (NMVpnConnection *self, + const char *message, + const char **secrets) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + guint32 secrets_len = secrets ? g_strv_length ((char **) secrets) : 0; + char **hints; + guint32 i; + + _LOGI ("VPN plugin: requested secrets; state %s (%d)", + vpn_state_to_string (priv->vpn_state), priv->vpn_state); + + g_return_if_fail (priv->vpn_state == STATE_CONNECT || + priv->vpn_state == STATE_NEED_AUTH); + + priv->secrets_idx = SECRETS_REQ_INTERACTIVE; + _set_vpn_state (self, STATE_NEED_AUTH, NM_VPN_CONNECTION_STATE_REASON_NONE, FALSE); + + /* Copy hints and add message to the end */ + hints = g_malloc0 (sizeof (char *) * (secrets_len + 2)); + for (i = 0; i < secrets_len; i++) + hints[i] = g_strdup (secrets[i]); + if (message) + hints[i] = g_strdup_printf ("x-vpn-message:%s", message); + + get_secrets (self, SECRETS_REQ_INTERACTIVE, (const char **) hints); + g_strfreev (hints); +} + +/*****************************************************************************/ + +static void +device_changed (NMActiveConnection *active, + NMDevice *new_device, + NMDevice *old_device) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE ((NMVpnConnection *) active); + + if (!_service_and_connection_can_persist (NM_VPN_CONNECTION (active))) + return; + if (priv->vpn_state < STATE_CONNECT || priv->vpn_state > STATE_ACTIVATED) + return; + + /* Route-based VPNs must update their routing and send a new IP config + * since all their routes need to be adjusted for new_device. + */ + if (priv->ip_ifindex <= 0) + return; + + /* Device changed underneath the VPN connection. Let the plugin figure + * out that connectivity is down and start its reconnect attempt if it + * needs to. + */ + if (old_device) + remove_parent_device_config (NM_VPN_CONNECTION (active), old_device); + + if (new_device) + apply_parent_device_config (NM_VPN_CONNECTION (active)); +} + +/*****************************************************************************/ + +static void +nm_vpn_connection_init (NMVpnConnection *self) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + priv->vpn_state = STATE_WAITING; + priv->secrets_idx = SECRETS_REQ_SYSTEM; + priv->default_route_manager = g_object_ref (nm_default_route_manager_get ()); + priv->route_manager = g_object_ref (nm_route_manager_get ()); +} + +static void +dispose (GObject *object) +{ + NMVpnConnection *self = NM_VPN_CONNECTION (object); + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE (self); + + nm_clear_g_source (&priv->start_timeout); + + g_clear_pointer (&priv->connect_hash, g_variant_unref); + + nm_clear_g_source (&priv->connect_timeout); + + dispatcher_cleanup (self); + + cancel_get_secrets (self); + + if (priv->cancellable) { + g_cancellable_cancel (priv->cancellable); + g_clear_object (&priv->cancellable); + } + g_clear_object (&priv->proxy_config); + nm_exported_object_clear_and_unexport (&priv->ip4_config); + nm_exported_object_clear_and_unexport (&priv->ip6_config); + g_clear_object (&priv->proxy); + g_clear_object (&priv->plugin_info); + + fw_call_cleanup (self); + + G_OBJECT_CLASS (nm_vpn_connection_parent_class)->dispose (object); + + g_clear_object (&priv->default_route_manager); + g_clear_object (&priv->route_manager); +} + +static void +finalize (GObject *object) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE ((NMVpnConnection *) object); + + g_free (priv->banner); + g_free (priv->ip_iface); + g_free (priv->username); + g_free (priv->ip6_internal_gw); + g_free (priv->ip6_external_gw); + + G_OBJECT_CLASS (nm_vpn_connection_parent_class)->finalize (object); +} + +static gboolean +ip_config_valid (VpnState state) +{ + return (state == STATE_PRE_UP || state == STATE_ACTIVATED); +} + +static void +get_property (GObject *object, guint prop_id, + GValue *value, GParamSpec *pspec) +{ + NMVpnConnectionPrivate *priv = NM_VPN_CONNECTION_GET_PRIVATE ((NMVpnConnection *) object); + NMDevice *parent_dev; + + switch (prop_id) { + case PROP_VPN_STATE: + g_value_set_uint (value, _state_to_nm_vpn_state (priv->vpn_state)); + break; + case PROP_BANNER: + g_value_set_string (value, priv->banner ? priv->banner : ""); + break; + case PROP_IP4_CONFIG: + nm_utils_g_value_set_object_path (value, ip_config_valid (priv->vpn_state) ? priv->ip4_config : NULL); + break; + case PROP_IP6_CONFIG: + nm_utils_g_value_set_object_path (value, ip_config_valid (priv->vpn_state) ? priv->ip6_config : NULL); + break; + case PROP_MASTER: + parent_dev = nm_active_connection_get_device (NM_ACTIVE_CONNECTION (object)); + nm_utils_g_value_set_object_path (value, parent_dev); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_vpn_connection_class_init (NMVpnConnectionClass *connection_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (connection_class); + NMActiveConnectionClass *active_class = NM_ACTIVE_CONNECTION_CLASS (connection_class); + + /* virtual methods */ + object_class->get_property = get_property; + object_class->dispose = dispose; + object_class->finalize = finalize; + active_class->device_state_changed = device_state_changed; + active_class->device_changed = device_changed; + + obj_properties[PROP_VPN_STATE] = + g_param_spec_uint (NM_VPN_CONNECTION_VPN_STATE, "", "", + NM_VPN_CONNECTION_STATE_UNKNOWN, + NM_VPN_CONNECTION_STATE_DISCONNECTED, + NM_VPN_CONNECTION_STATE_UNKNOWN, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_BANNER] = + g_param_spec_string (NM_VPN_CONNECTION_BANNER, "", "", + NULL, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS); + + g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties); + + g_object_class_override_property (object_class, PROP_MASTER, + NM_ACTIVE_CONNECTION_MASTER); + g_object_class_override_property (object_class, PROP_IP4_CONFIG, + NM_ACTIVE_CONNECTION_IP4_CONFIG); + g_object_class_override_property (object_class, PROP_IP6_CONFIG, + NM_ACTIVE_CONNECTION_IP6_CONFIG); + + signals[VPN_STATE_CHANGED] = + g_signal_new ("vpn-state-changed", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT); + + signals[INTERNAL_STATE_CHANGED] = + g_signal_new (NM_VPN_CONNECTION_INTERNAL_STATE_CHANGED, + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, 3, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT); + + signals[INTERNAL_RETRY_AFTER_FAILURE] = + g_signal_new (NM_VPN_CONNECTION_INTERNAL_RETRY_AFTER_FAILURE, + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, 0); + + nm_exported_object_class_add_interface (NM_EXPORTED_OBJECT_CLASS (connection_class), + NMDBUS_TYPE_VPN_CONNECTION_SKELETON, + NULL); +} diff --git a/src/vpn/nm-vpn-connection.h b/src/vpn/nm-vpn-connection.h new file mode 100644 index 00000000..8393f081 --- /dev/null +++ b/src/vpn/nm-vpn-connection.h @@ -0,0 +1,83 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager -- Network link manager + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Copyright (C) 2005 - 2011 Red Hat, Inc. + * Copyright (C) 2006 - 2008 Novell, Inc. + */ + +#ifndef __NM_VPN_CONNECTION_H__ +#define __NM_VPN_CONNECTION_H__ + +#include "nm-vpn-dbus-interface.h" +#include "devices/nm-device.h" +#include "nm-auth-subject.h" +#include "nm-active-connection.h" +#include "nm-vpn-plugin-info.h" + +#define NM_VPN_ROUTE_METRIC_DEFAULT 50 + +#define NM_TYPE_VPN_CONNECTION (nm_vpn_connection_get_type ()) +#define NM_VPN_CONNECTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_VPN_CONNECTION, NMVpnConnection)) +#define NM_VPN_CONNECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), NM_TYPE_VPN_CONNECTION, NMVpnConnectionClass)) +#define NM_IS_VPN_CONNECTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NM_TYPE_VPN_CONNECTION)) +#define NM_IS_VPN_CONNECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), NM_TYPE_VPN_CONNECTION)) +#define NM_VPN_CONNECTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), NM_TYPE_VPN_CONNECTION, NMVpnConnectionClass)) + +/* Properties */ +#define NM_VPN_CONNECTION_VPN_STATE "vpn-state" +#define NM_VPN_CONNECTION_BANNER "banner" + +/* Signals */ +/* not exported: includes old reason code */ +#define NM_VPN_CONNECTION_INTERNAL_STATE_CHANGED "internal-state-changed" +#define NM_VPN_CONNECTION_INTERNAL_RETRY_AFTER_FAILURE "internal-retry-after-failure" + +typedef struct _NMVpnConnectionClass NMVpnConnectionClass; + +GType nm_vpn_connection_get_type (void); + +NMVpnConnection * nm_vpn_connection_new (NMSettingsConnection *settings_connection, + NMDevice *parent_device, + const char *specific_object, + NMAuthSubject *subject); + +void nm_vpn_connection_activate (NMVpnConnection *self, + NMVpnPluginInfo *plugin_info); +NMVpnConnectionState nm_vpn_connection_get_vpn_state (NMVpnConnection *self); +const char * nm_vpn_connection_get_banner (NMVpnConnection *self); +const gchar * nm_vpn_connection_get_service (NMVpnConnection *self); + +gboolean nm_vpn_connection_deactivate (NMVpnConnection *self, + NMVpnConnectionStateReason reason, + gboolean quitting); +void nm_vpn_connection_disconnect (NMVpnConnection *self, + NMVpnConnectionStateReason reason, + gboolean quitting); + +NMProxyConfig * nm_vpn_connection_get_proxy_config (NMVpnConnection *self); + +NMIP4Config * nm_vpn_connection_get_ip4_config (NMVpnConnection *self); +NMIP6Config * nm_vpn_connection_get_ip6_config (NMVpnConnection *self); +const char * nm_vpn_connection_get_ip_iface (NMVpnConnection *self, gboolean fallback_device); +int nm_vpn_connection_get_ip_ifindex (NMVpnConnection *self, gboolean fallback_device); +guint32 nm_vpn_connection_get_ip4_internal_gateway (NMVpnConnection *self); +struct in6_addr * nm_vpn_connection_get_ip6_internal_gateway (NMVpnConnection *self); + +guint32 nm_vpn_connection_get_ip4_route_metric (NMVpnConnection *self); +guint32 nm_vpn_connection_get_ip6_route_metric (NMVpnConnection *self); + +#endif /* __NM_VPN_CONNECTION_H__ */ diff --git a/src/vpn/nm-vpn-manager.c b/src/vpn/nm-vpn-manager.c new file mode 100644 index 00000000..8e708d12 --- /dev/null +++ b/src/vpn/nm-vpn-manager.c @@ -0,0 +1,295 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager -- Network link manager + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Copyright (C) 2005 - 2012 Red Hat, Inc. + * Copyright (C) 2006 - 2008 Novell, Inc. + */ + +#include "nm-default.h" + +#include "nm-vpn-manager.h" + +#include <string.h> + +#include "nm-vpn-plugin-info.h" +#include "nm-vpn-connection.h" +#include "nm-setting-vpn.h" +#include "nm-vpn-dbus-interface.h" +#include "nm-core-internal.h" + +typedef struct { + GSList *plugins; + GFileMonitor *monitor_etc; + GFileMonitor *monitor_lib; + gulong monitor_id_etc; + gulong monitor_id_lib; + + /* This is only used for services that don't support multiple + * connections, to guard access to them. */ + GHashTable *active_services; +} NMVpnManagerPrivate; + +struct _NMVpnManager { + GObject parent; + NMVpnManagerPrivate _priv; +}; + +struct _NMVpnManagerClass { + GObjectClass parent; +}; + +G_DEFINE_TYPE (NMVpnManager, nm_vpn_manager, G_TYPE_OBJECT) + +#define NM_VPN_MANAGER_GET_PRIVATE(self) _NM_GET_PRIVATE (self, NMVpnManager, NM_IS_VPN_MANAGER) + +/*****************************************************************************/ + +static void +vpn_state_changed (NMVpnConnection *vpn, + GParamSpec *pspec, + NMVpnManager *manager) +{ + NMVpnManagerPrivate *priv = NM_VPN_MANAGER_GET_PRIVATE (manager); + NMActiveConnectionState state = nm_active_connection_get_state (NM_ACTIVE_CONNECTION (vpn)); + const char *service_name = nm_vpn_connection_get_service (vpn); + + if (state == NM_ACTIVE_CONNECTION_STATE_DEACTIVATED) { + g_hash_table_remove (priv->active_services, service_name); + g_signal_handlers_disconnect_by_func (vpn, vpn_state_changed, manager); + g_object_unref (manager); + } +} + +gboolean +nm_vpn_manager_activate_connection (NMVpnManager *manager, + NMVpnConnection *vpn, + GError **error) +{ + NMVpnManagerPrivate *priv; + NMVpnPluginInfo *plugin_info; + const char *service_name; + NMDevice *device; + + g_return_val_if_fail (NM_IS_VPN_MANAGER (manager), FALSE); + g_return_val_if_fail (NM_IS_VPN_CONNECTION (vpn), FALSE); + g_return_val_if_fail (!error || !*error, FALSE); + + priv = NM_VPN_MANAGER_GET_PRIVATE (manager); + device = nm_active_connection_get_device (NM_ACTIVE_CONNECTION (vpn)); + g_assert (device); + if ( nm_device_get_state (device) != NM_DEVICE_STATE_ACTIVATED + && nm_device_get_state (device) != NM_DEVICE_STATE_SECONDARIES) { + g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_DEPENDENCY_FAILED, + "The base device for the VPN connection was not active."); + return FALSE; + } + + service_name = nm_vpn_connection_get_service (vpn); + + plugin_info = nm_vpn_plugin_info_list_find_by_service (priv->plugins, service_name); + if (!plugin_info) { + g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_CONNECTION_NOT_AVAILABLE, + "The VPN service '%s' was not installed.", + service_name); + return FALSE; + } + + if ( !nm_vpn_plugin_info_supports_multiple (plugin_info) + && g_hash_table_contains (priv->active_services, service_name)) { + g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_CONNECTION_NOT_AVAILABLE, + "The '%s' plugin only supports a single active connection.", + nm_vpn_plugin_info_get_name (plugin_info)); + return FALSE; + } + + nm_vpn_connection_activate (vpn, plugin_info); + + if (!nm_vpn_plugin_info_supports_multiple (plugin_info)) { + /* Block activations of the connections of the same service type. */ + g_hash_table_add (priv->active_services, g_strdup (service_name)); + g_signal_connect (vpn, "notify::" NM_ACTIVE_CONNECTION_STATE, + G_CALLBACK (vpn_state_changed), + g_object_ref (manager)); + } + + return TRUE; +} + +/*****************************************************************************/ + +static void +try_add_plugin (NMVpnManager *self, NMVpnPluginInfo *plugin_info) +{ + NMVpnManagerPrivate *priv = NM_VPN_MANAGER_GET_PRIVATE (self); + const char *program; + + program = nm_vpn_plugin_info_get_program (plugin_info); + if (!program || !*program) + return; + + /* Make sure we don't add dupes. + * We don't really allow reload of the same file. What we do allow is however to + * delete a file and re-add it. */ + if (nm_vpn_plugin_info_list_find_by_filename (priv->plugins, + nm_vpn_plugin_info_get_filename (plugin_info))) + return; + if (!nm_vpn_plugin_info_list_add (&priv->plugins, plugin_info, NULL)) + return; +} + +static void +vpn_dir_changed (GFileMonitor *monitor, + GFile *file, + GFile *other_file, + GFileMonitorEvent event_type, + gpointer user_data) +{ + NMVpnManager *self = NM_VPN_MANAGER (user_data); + NMVpnManagerPrivate *priv = NM_VPN_MANAGER_GET_PRIVATE (self); + NMVpnPluginInfo *plugin_info; + gs_free char *path = NULL; + GError *error = NULL; + + path = g_file_get_path (file); + if (!nm_vpn_plugin_info_validate_filename (path)) + return; + + switch (event_type) { + case G_FILE_MONITOR_EVENT_DELETED: + plugin_info = nm_vpn_plugin_info_list_find_by_filename (priv->plugins, path); + if (!plugin_info) + break; + + nm_log_dbg (LOGD_VPN, "vpn: service file %s deleted", path); + nm_vpn_plugin_info_list_remove (&priv->plugins, plugin_info); + break; + case G_FILE_MONITOR_EVENT_CREATED: + case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT: + plugin_info = nm_vpn_plugin_info_list_find_by_filename (priv->plugins, path); + if (plugin_info) { + /* we don't support reloading an existing plugin. You can only remove the file + * and re-add it. By reloading we want to support the use case of installing + * a VPN plugin after NM started. No need to burden ourself with a complete + * reload. */ + break; + } + + if (!_nm_vpn_plugin_info_check_file (path, TRUE, TRUE, 0, + NULL, NULL, &error)) { + nm_log_dbg (LOGD_VPN, "vpn: ignore changed service file %s (%s)", path, error->message); + g_clear_error (&error); + break; + } + plugin_info = nm_vpn_plugin_info_new_from_file (path, &error); + if (!plugin_info) { + nm_log_dbg (LOGD_VPN, "vpn: ignore changed service file %s due to invalid content (%s)", path, error->message); + g_clear_error (&error); + break; + } + + nm_log_dbg (LOGD_VPN, "vpn: service file %s created or modified", path); + try_add_plugin (self, plugin_info); + g_object_unref (plugin_info); + break; + default: + nm_log_dbg (LOGD_VPN, "vpn: service file %s change event %d", path, event_type); + break; + } +} + +/*****************************************************************************/ + +NM_DEFINE_SINGLETON_GETTER (NMVpnManager, nm_vpn_manager_get, NM_TYPE_VPN_MANAGER); + +static void +nm_vpn_manager_init (NMVpnManager *self) +{ + NMVpnManagerPrivate *priv = NM_VPN_MANAGER_GET_PRIVATE (self); + GFile *file; + GSList *infos, *info; + const char *conf_dir_etc = _nm_vpn_plugin_info_get_default_dir_etc (); + const char *conf_dir_lib = _nm_vpn_plugin_info_get_default_dir_lib (); + + /* Watch the VPN directory for changes */ + file = g_file_new_for_path (conf_dir_lib); + priv->monitor_lib = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL); + g_object_unref (file); + if (priv->monitor_lib) { + priv->monitor_id_lib = g_signal_connect (priv->monitor_lib, "changed", + G_CALLBACK (vpn_dir_changed), self); + } + + file = g_file_new_for_path (conf_dir_etc); + priv->monitor_etc = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL); + g_object_unref (file); + if (priv->monitor_etc) { + priv->monitor_id_etc = g_signal_connect (priv->monitor_etc, "changed", + G_CALLBACK (vpn_dir_changed), self); + } + + /* first read conf_dir_lib. The name files are not really user configuration, but + * plugin configuration. Hence we expect ~newer~ plugins to install their files + * in /usr/lib/NetworkManager. We want to prefer those files. + * In case of no-conflict, the order doesn't matter. */ + infos = _nm_vpn_plugin_info_list_load_dir (conf_dir_lib, TRUE, 0, NULL, NULL); + for (info = infos; info; info = info->next) + try_add_plugin (self, info->data); + g_slist_free_full (infos, g_object_unref); + + infos = _nm_vpn_plugin_info_list_load_dir (conf_dir_etc, TRUE, 0, NULL, NULL); + for (info = infos; info; info = info->next) + try_add_plugin (self, info->data); + g_slist_free_full (infos, g_object_unref); + + priv->active_services = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); +} + +static void +dispose (GObject *object) +{ + NMVpnManagerPrivate *priv = NM_VPN_MANAGER_GET_PRIVATE ((NMVpnManager *) object); + + if (priv->monitor_etc) { + if (priv->monitor_id_etc) + g_signal_handler_disconnect (priv->monitor_etc, priv->monitor_id_etc); + g_file_monitor_cancel (priv->monitor_etc); + g_clear_object (&priv->monitor_etc); + } + + if (priv->monitor_lib) { + if (priv->monitor_id_lib) + g_signal_handler_disconnect (priv->monitor_lib, priv->monitor_id_lib); + g_file_monitor_cancel (priv->monitor_lib); + g_clear_object (&priv->monitor_lib); + } + + while (priv->plugins) + nm_vpn_plugin_info_list_remove (&priv->plugins, priv->plugins->data); + + g_hash_table_unref (priv->active_services); + + G_OBJECT_CLASS (nm_vpn_manager_parent_class)->dispose (object); +} + +static void +nm_vpn_manager_class_init (NMVpnManagerClass *manager_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (manager_class); + + object_class->dispose = dispose; +} + diff --git a/src/vpn/nm-vpn-manager.h b/src/vpn/nm-vpn-manager.h new file mode 100644 index 00000000..8b1bec1e --- /dev/null +++ b/src/vpn/nm-vpn-manager.h @@ -0,0 +1,45 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager -- Network link manager + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Copyright (C) 2005 - 2011 Red Hat, Inc. + * Copyright (C) 2006 - 2008 Novell, Inc. + */ + +#ifndef __NM_VPN_MANAGER_H__ +#define __NM_VPN_MANAGER_H__ + +#include "nm-vpn-connection.h" + +#define NM_TYPE_VPN_MANAGER (nm_vpn_manager_get_type ()) +#define NM_VPN_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_VPN_MANAGER, NMVpnManager)) +#define NM_VPN_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), NM_TYPE_VPN_MANAGER, NMVpnManagerClass)) +#define NM_IS_VPN_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NM_TYPE_VPN_MANAGER)) +#define NM_IS_VPN_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), NM_TYPE_VPN_MANAGER)) +#define NM_VPN_MANAGER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), NM_TYPE_VPN_MANAGER, NMVpnManagerClass)) + +typedef struct _NMVpnManager NMVpnManager; +typedef struct _NMVpnManagerClass NMVpnManagerClass; + +GType nm_vpn_manager_get_type (void); + +NMVpnManager *nm_vpn_manager_get (void); + +gboolean nm_vpn_manager_activate_connection (NMVpnManager *manager, + NMVpnConnection *vpn, + GError **error); + +#endif /* __NM_VPN_MANAGER_H__ */ |