/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2008 Novell, Inc. * Copyright (C) 2008 - 2012 Red Hat, Inc. */ #include "nm-default.h" #include "nm-ppp-manager.h" #include #include #include #include #include #include #include #include #include #include #include #ifndef aligned_u64 #define aligned_u64 unsigned long long __attribute__((aligned(8))) #endif #include #include #include #include "NetworkManagerUtils.h" #include "platform/nm-platform.h" #include "nm-core-internal.h" #include "nm-act-request.h" #include "nm-ip4-config.h" #include "nm-ip6-config.h" #include "nm-dbus-object.h" #include "nm-pppd-plugin.h" #include "nm-ppp-plugin-api.h" #include "nm-ppp-status.h" #define NM_PPPD_PLUGIN PPPD_PLUGIN_DIR "/nm-pppd-plugin.so" static NM_CACHED_QUARK_FCN("ppp-manager-secret-tries", ppp_manager_secret_tries_quark); /*****************************************************************************/ #define NM_TYPE_PPP_MANAGER (nm_ppp_manager_get_type()) #define NM_PPP_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_PPP_MANAGER, NMPPPManager)) #define NM_PPP_MANAGER_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass), NM_TYPE_PPP_MANAGER, NMPPPManagerClass)) #define NM_IS_PPP_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_PPP_MANAGER)) #define NM_IS_PPP_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), NM_TYPE_PPP_MANAGER)) #define NM_PPP_MANAGER_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS((obj), NM_TYPE_PPP_MANAGER, NMPPPManagerClass)) GType nm_ppp_manager_get_type(void); /*****************************************************************************/ enum { STATE_CHANGED, IFINDEX_SET, IP4_CONFIG, IP6_CONFIG, STATS, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = {0}; NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PARENT_IFACE, ); typedef struct { GPid pid; char *parent_iface; char *ip_iface; int ifindex; NMActRequest * act_req; GDBusMethodInvocation * pending_secrets_context; NMActRequestGetSecretsCallId *secrets_id; const char * secrets_setting_name; guint ppp_watch_id; guint ppp_timeout_handler; /* Monitoring */ int monitor_fd; guint monitor_id; guint32 ip4_route_table; guint32 ip4_route_metric; guint32 ip6_route_table; guint32 ip6_route_metric; } NMPPPManagerPrivate; struct _NMPPPManager { NMDBusObject parent; NMPPPManagerPrivate _priv; }; typedef struct { NMDBusObjectClass parent; } NMPPPManagerClass; G_DEFINE_TYPE(NMPPPManager, nm_ppp_manager, NM_TYPE_DBUS_OBJECT) #define NM_PPP_MANAGER_GET_PRIVATE(self) \ _NM_GET_PRIVATE(self, NMPPPManager, NM_IS_PPP_MANAGER, NMDBusObject) /*****************************************************************************/ #define _NMLOG_DOMAIN LOGD_PPP #define _NMLOG(level, ...) __NMLOG_DEFAULT(level, _NMLOG_DOMAIN, "ppp-manager", __VA_ARGS__) /*****************************************************************************/ static void _ppp_cleanup(NMPPPManager *self); static NMPPPManagerStopHandle *_ppp_manager_stop(NMPPPManager * self, GCancellable * cancellable, NMPPPManagerStopCallback callback, gpointer user_data); static void _ppp_manager_stop_cancel(NMPPPManagerStopHandle *handle); /*****************************************************************************/ static void _ppp_manager_set_route_parameters(NMPPPManager *self, guint32 ip4_route_table, guint32 ip4_route_metric, guint32 ip6_route_table, guint32 ip6_route_metric) { NMPPPManagerPrivate *priv; g_return_if_fail(NM_IS_PPP_MANAGER(self)); priv = NM_PPP_MANAGER_GET_PRIVATE(self); if (priv->ip4_route_table != ip4_route_table || priv->ip4_route_metric != ip4_route_metric || priv->ip6_route_table != ip6_route_table || priv->ip6_route_metric != ip6_route_metric) { priv->ip4_route_table = ip4_route_table; priv->ip4_route_metric = ip4_route_metric; priv->ip6_route_table = ip6_route_table; priv->ip6_route_metric = ip6_route_metric; _LOGT("route-parameters: table-v4: %u, metric-v4: %u, table-v6: %u, metric-v6: %u", priv->ip4_route_table, priv->ip4_route_metric, priv->ip6_route_table, priv->ip6_route_metric); } } /*****************************************************************************/ static gboolean monitor_cb(gpointer user_data) { NMPPPManager * self = NM_PPP_MANAGER(user_data); NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); const char * ifname; int errsv; ifname = nm_platform_link_get_name(NM_PLATFORM_GET, priv->ifindex); if (ifname) { struct ppp_stats stats = {}; struct ifreq req = { .ifr_data = (caddr_t) &stats, }; nm_utils_ifname_cpy(req.ifr_name, ifname); if (ioctl(priv->monitor_fd, SIOCGPPPSTATS, &req) < 0) { errsv = errno; if (errsv != ENODEV) _LOGW("could not read ppp stats: %s", nm_strerror_native(errsv)); } else { g_signal_emit(self, signals[STATS], 0, (guint) stats.p.ppp_ibytes, (guint) stats.p.ppp_obytes); } } return G_SOURCE_CONTINUE; } static void monitor_stats(NMPPPManager *self) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); int errsv; /* already monitoring */ if (priv->monitor_fd >= 0) return; priv->monitor_fd = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0); if (priv->monitor_fd < 0) { errsv = errno; _LOGW("could not monitor PPP stats: %s", nm_strerror_native(errsv)); return; } g_warn_if_fail(priv->monitor_id == 0); if (priv->monitor_id) g_source_remove(priv->monitor_id); priv->monitor_id = g_timeout_add_seconds(5, monitor_cb, self); } /*****************************************************************************/ static void cancel_get_secrets(NMPPPManager *self) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); if (priv->secrets_id) nm_act_request_cancel_secrets(priv->act_req, priv->secrets_id); g_return_if_fail(!priv->secrets_id && !priv->secrets_setting_name); } static gboolean extract_details_from_connection(NMConnection *connection, const char * secrets_setting_name, const char ** username, const char ** password, GError ** error) { NMSettingConnection *s_con; NMSetting * setting; const char * setting_name; g_return_val_if_fail(connection != NULL, FALSE); g_return_val_if_fail(username != NULL, FALSE); g_return_val_if_fail(password != NULL, FALSE); if (secrets_setting_name) setting_name = secrets_setting_name; else { /* Get the setting matching the connection type */ s_con = nm_connection_get_setting_connection(connection); g_assert(s_con); setting_name = nm_setting_connection_get_connection_type(s_con); g_assert(setting_name); /* In case of bluetooth connection, use GSM or CDMA setting */ if (strcmp(setting_name, NM_SETTING_BLUETOOTH_SETTING_NAME) == 0) { if (nm_connection_get_setting_gsm(connection)) setting_name = NM_SETTING_GSM_SETTING_NAME; else setting_name = NM_SETTING_CDMA_SETTING_NAME; } } setting = nm_connection_get_setting_by_name(connection, setting_name); if (!setting) { /* This shouldn't ever happen */ g_set_error_literal(error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_FAILED, "Missing type-specific setting; no secrets could be found."); return FALSE; } if (NM_IS_SETTING_PPPOE(setting)) { *username = nm_setting_pppoe_get_username(NM_SETTING_PPPOE(setting)); *password = nm_setting_pppoe_get_password(NM_SETTING_PPPOE(setting)); } else if (NM_IS_SETTING_ADSL(setting)) { *username = nm_setting_adsl_get_username(NM_SETTING_ADSL(setting)); *password = nm_setting_adsl_get_password(NM_SETTING_ADSL(setting)); } else if (NM_IS_SETTING_GSM(setting)) { *username = nm_setting_gsm_get_username(NM_SETTING_GSM(setting)); *password = nm_setting_gsm_get_password(NM_SETTING_GSM(setting)); } else if (NM_IS_SETTING_CDMA(setting)) { *username = nm_setting_cdma_get_username(NM_SETTING_CDMA(setting)); *password = nm_setting_cdma_get_password(NM_SETTING_CDMA(setting)); } return TRUE; } static void ppp_secrets_cb(NMActRequest * req, NMActRequestGetSecretsCallId *call_id, NMSettingsConnection * settings_connection, /* unused (we pass NULL here) */ GError * error, gpointer user_data) { NMPPPManager * self = NM_PPP_MANAGER(user_data); NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); const char * username = NULL; const char * password = NULL; GError * local = NULL; NMConnection * applied_connection; g_return_if_fail(priv->pending_secrets_context != NULL); g_return_if_fail(req == priv->act_req); g_return_if_fail(call_id == priv->secrets_id); if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) goto out; if (error) { _LOGW("%s", error->message); g_dbus_method_invocation_return_gerror(priv->pending_secrets_context, error); goto out; } applied_connection = nm_act_request_get_applied_connection(req); if (!extract_details_from_connection(applied_connection, priv->secrets_setting_name, &username, &password, &local)) { _LOGW("%s", local->message); g_dbus_method_invocation_take_error(priv->pending_secrets_context, local); goto out; } /* This is sort of a hack but... * pppd plugin only ever needs username and password. Passing the full * connection there would mean some bloat: the plugin would need to link * against libnm just to parse this. So instead, let's just send what * it needs. */ g_dbus_method_invocation_return_value(priv->pending_secrets_context, g_variant_new("(ss)", username ?: "", password ?: "")); out: priv->pending_secrets_context = NULL; priv->secrets_id = NULL; priv->secrets_setting_name = NULL; } static void impl_ppp_manager_need_secrets(NMDBusObject * obj, const NMDBusInterfaceInfoExtended *interface_info, const NMDBusMethodInfoExtended * method_info, GDBusConnection * connection, const char * sender, GDBusMethodInvocation * invocation, GVariant * parameters) { NMPPPManager * self = NM_PPP_MANAGER(obj); NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); NMConnection * applied_connection; const char * username = NULL; const char * password = NULL; guint32 tries; gs_unref_ptrarray GPtrArray *hints = NULL; GError * error = NULL; NMSecretAgentGetSecretsFlags flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION; nm_active_connection_clear_secrets(NM_ACTIVE_CONNECTION(priv->act_req)); applied_connection = nm_act_request_get_applied_connection(priv->act_req); priv->secrets_setting_name = nm_connection_need_secrets(applied_connection, &hints); if (!priv->secrets_setting_name) { /* Use existing secrets from the connection */ if (extract_details_from_connection(applied_connection, NULL, &username, &password, &error)) { /* Send existing secrets to the PPP plugin */ priv->pending_secrets_context = invocation; ppp_secrets_cb(priv->act_req, priv->secrets_id, NULL, NULL, self); } else { _LOGW("%s", error->message); g_dbus_method_invocation_take_error(priv->pending_secrets_context, error); } return; } /* Only ask for completely new secrets after retrying them once; some devices * appear to ask a few times when they actually don't even care what you * pass back. */ tries = GPOINTER_TO_UINT( g_object_get_qdata(G_OBJECT(applied_connection), ppp_manager_secret_tries_quark())); if (tries > 1) flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW; if (hints) g_ptr_array_add(hints, NULL); priv->secrets_id = nm_act_request_get_secrets(priv->act_req, FALSE, priv->secrets_setting_name, flags, hints ? (const char *const *) hints->pdata : NULL, ppp_secrets_cb, self); g_object_set_qdata(G_OBJECT(applied_connection), ppp_manager_secret_tries_quark(), GUINT_TO_POINTER(++tries)); priv->pending_secrets_context = invocation; } static void impl_ppp_manager_set_state(NMDBusObject * obj, const NMDBusInterfaceInfoExtended *interface_info, const NMDBusMethodInfoExtended * method_info, GDBusConnection * connection, const char * sender, GDBusMethodInvocation * invocation, GVariant * parameters) { NMPPPManager *self = NM_PPP_MANAGER(obj); guint32 state; g_variant_get(parameters, "(u)", &state); g_signal_emit(self, signals[STATE_CHANGED], 0, (guint) state); g_dbus_method_invocation_return_value(invocation, NULL); } static void impl_ppp_manager_set_ifindex(NMDBusObject * obj, const NMDBusInterfaceInfoExtended *interface_info, const NMDBusMethodInfoExtended * method_info, GDBusConnection * connection, const char * sender, GDBusMethodInvocation * invocation, GVariant * parameters) { NMPPPManager * self = NM_PPP_MANAGER(obj); NMPPPManagerPrivate * priv = NM_PPP_MANAGER_GET_PRIVATE(self); const NMPlatformLink *plink = NULL; nm_auto_nmpobj const NMPObject *obj_keep_alive = NULL; gint32 ifindex; g_variant_get(parameters, "(i)", &ifindex); if (priv->ifindex >= 0) { if (priv->ifindex == ifindex) _LOGD("set-ifindex: ignore repeated calls setting ifindex to %d", (int) ifindex); else _LOGW("set-ifindex: can't change the ifindex from %d to %d", priv->ifindex, (int) ifindex); goto out; } if (ifindex > 0) { plink = nm_platform_link_get(NM_PLATFORM_GET, ifindex); if (!plink) { nm_platform_process_events(NM_PLATFORM_GET); plink = nm_platform_link_get(NM_PLATFORM_GET, ifindex); } } if (!plink) { _LOGW("set-ifindex: unknown interface with ifindex %d", ifindex); ifindex = 0; } else { obj_keep_alive = nmp_object_ref(NMP_OBJECT_UP_CAST(plink)); _LOGD("set-ifindex: %d, name \"%s\"", (int) ifindex, plink->name); } priv->ifindex = ifindex; g_signal_emit(self, signals[IFINDEX_SET], 0, ifindex, plink ? plink->name : NULL); out: g_dbus_method_invocation_return_value(invocation, NULL); } static gboolean set_ip_config_common(NMPPPManager *self, GVariant *config_dict, guint32 *out_mtu) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); NMConnection * applied_connection; NMSettingPpp * s_ppp; if (priv->ifindex <= 0) return FALSE; /* Got successful IP config; obviously the secrets worked */ applied_connection = nm_act_request_get_applied_connection(priv->act_req); g_object_set_qdata(G_OBJECT(applied_connection), ppp_manager_secret_tries_quark(), NULL); if (out_mtu) { /* Get any custom MTU */ s_ppp = nm_connection_get_setting_ppp(applied_connection); *out_mtu = s_ppp ? nm_setting_ppp_get_mtu(s_ppp) : 0; } monitor_stats(self); return TRUE; } static void impl_ppp_manager_set_ip4_config(NMDBusObject * obj, const NMDBusInterfaceInfoExtended *interface_info, const NMDBusMethodInfoExtended * method_info, GDBusConnection * connection, const char * sender, GDBusMethodInvocation * invocation, GVariant * parameters) { NMPPPManager * self = NM_PPP_MANAGER(obj); NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); gs_unref_object NMIP4Config *config = NULL; NMPlatformIP4Address address; guint32 u32, mtu; GVariantIter * iter; gs_unref_variant GVariant *config_dict = NULL; _LOGI("(IPv4 Config Get) reply received."); g_variant_get(parameters, "(@a{sv})", &config_dict); nm_clear_g_source(&priv->ppp_timeout_handler); if (!set_ip_config_common(self, config_dict, &mtu)) goto out; config = nm_ip4_config_new(nm_platform_get_multi_idx(NM_PLATFORM_GET), priv->ifindex); if (mtu) nm_ip4_config_set_mtu(config, mtu, NM_IP_CONFIG_SOURCE_PPP); memset(&address, 0, sizeof(address)); address.plen = 32; if (g_variant_lookup(config_dict, NM_PPP_IP4_CONFIG_ADDRESS, "u", &u32)) address.address = u32; if (g_variant_lookup(config_dict, NM_PPP_IP4_CONFIG_GATEWAY, "u", &u32)) { const NMPlatformIP4Route r = { .ifindex = priv->ifindex, .rt_source = NM_IP_CONFIG_SOURCE_PPP, .gateway = u32, .table_coerced = nm_platform_route_table_coerce(priv->ip4_route_table), .metric = priv->ip4_route_metric, }; nm_ip4_config_add_route(config, &r, NULL); address.peer_address = u32; } else address.peer_address = address.address; if (g_variant_lookup(config_dict, NM_PPP_IP4_CONFIG_PREFIX, "u", &u32)) address.plen = u32; if (address.address && address.plen && address.plen <= 32) { address.addr_source = NM_IP_CONFIG_SOURCE_PPP; nm_ip4_config_add_address(config, &address); } else { _LOGE("invalid IPv4 address received!"); goto out; } if (g_variant_lookup(config_dict, NM_PPP_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(config_dict, NM_PPP_IP4_CONFIG_WINS, "au", &iter)) { while (g_variant_iter_next(iter, "u", &u32)) nm_ip4_config_add_wins(config, u32); g_variant_iter_free(iter); } /* Push the IP4 config up to the device */ g_signal_emit(self, signals[IP4_CONFIG], 0, config); out: g_dbus_method_invocation_return_value(invocation, NULL); } /* Converts the named Interface Identifier item to an IPv6 LL address and * returns the IID. */ static gboolean iid_value_to_ll6_addr(GVariant * dict, const char * prop, struct in6_addr * out_addr, NMUtilsIPv6IfaceId *out_iid) { guint64 iid; if (!g_variant_lookup(dict, prop, "t", &iid)) { _LOGD("pppd plugin property '%s' missing or not a uint64", prop); return FALSE; } g_return_val_if_fail(iid != 0, FALSE); /* Construct an IPv6 LL address from the interface identifier. See * http://tools.ietf.org/html/rfc4291#section-2.5.1 (IPv6) and * http://tools.ietf.org/html/rfc5072#section-4.1 (IPv6 over PPP). */ memset(out_addr->s6_addr, 0, sizeof(out_addr->s6_addr)); out_addr->s6_addr16[0] = htons(0xfe80); memcpy(out_addr->s6_addr + 8, &iid, sizeof(iid)); if (out_iid) nm_utils_ipv6_interface_identifier_get_from_addr(out_iid, out_addr); return TRUE; } static void impl_ppp_manager_set_ip6_config(NMDBusObject * obj, const NMDBusInterfaceInfoExtended *interface_info, const NMDBusMethodInfoExtended * method_info, GDBusConnection * connection, const char * sender, GDBusMethodInvocation * invocation, GVariant * parameters) { NMPPPManager * self = NM_PPP_MANAGER(obj); NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); gs_unref_object NMIP6Config *config = NULL; NMPlatformIP6Address addr; struct in6_addr a; NMUtilsIPv6IfaceId iid = NM_UTILS_IPV6_IFACE_ID_INIT; gboolean has_peer = FALSE; gs_unref_variant GVariant *config_dict = NULL; _LOGI("(IPv6 Config Get) reply received."); g_variant_get(parameters, "(@a{sv})", &config_dict); nm_clear_g_source(&priv->ppp_timeout_handler); if (!set_ip_config_common(self, config_dict, NULL)) goto out; config = nm_ip6_config_new(nm_platform_get_multi_idx(NM_PLATFORM_GET), priv->ifindex); memset(&addr, 0, sizeof(addr)); addr.plen = 64; if (iid_value_to_ll6_addr(config_dict, NM_PPP_IP6_CONFIG_PEER_IID, &a, NULL)) { const NMPlatformIP6Route r = { .ifindex = priv->ifindex, .rt_source = NM_IP_CONFIG_SOURCE_PPP, .gateway = a, .table_coerced = nm_platform_route_table_coerce(priv->ip6_route_table), .metric = priv->ip6_route_metric, }; nm_ip6_config_add_route(config, &r, NULL); addr.peer_address = a; has_peer = TRUE; } if (iid_value_to_ll6_addr(config_dict, NM_PPP_IP6_CONFIG_OUR_IID, &addr.address, &iid)) { if (!has_peer) addr.peer_address = addr.address; nm_ip6_config_add_address(config, &addr); /* Push the IPv6 config and interface identifier up to the device */ g_signal_emit(self, signals[IP6_CONFIG], 0, &iid, config); } else _LOGE("invalid IPv6 address received!"); out: g_dbus_method_invocation_return_value(invocation, NULL); } /*****************************************************************************/ static NM_UTILS_LOOKUP_STR_DEFINE( pppd_exit_code_to_str, int, NM_UTILS_LOOKUP_DEFAULT("Unknown error"), NM_UTILS_LOOKUP_STR_ITEM(1, "Fatal pppd error"); NM_UTILS_LOOKUP_STR_ITEM(2, "pppd options error"), NM_UTILS_LOOKUP_STR_ITEM(3, "No root priv error"), NM_UTILS_LOOKUP_STR_ITEM(4, "No ppp module error"), NM_UTILS_LOOKUP_STR_ITEM(5, "pppd received a signal"), NM_UTILS_LOOKUP_STR_ITEM(6, "Serial port lock failed"), NM_UTILS_LOOKUP_STR_ITEM(7, "Serial port open failed"), NM_UTILS_LOOKUP_STR_ITEM(8, "Connect script failed"), NM_UTILS_LOOKUP_STR_ITEM(9, "Pty program error"), NM_UTILS_LOOKUP_STR_ITEM(10, "PPP negotiation failed"), NM_UTILS_LOOKUP_STR_ITEM(11, "Peer didn't authenticatie itself"), NM_UTILS_LOOKUP_STR_ITEM(12, "Link idle: Idle Seconds reached."), NM_UTILS_LOOKUP_STR_ITEM(13, "Connect time limit reached."), NM_UTILS_LOOKUP_STR_ITEM(14, "Callback negotiated, call should come back."), NM_UTILS_LOOKUP_STR_ITEM(15, "Lack of LCP echo responses"), NM_UTILS_LOOKUP_STR_ITEM(16, "A modem hung up the phone"), NM_UTILS_LOOKUP_STR_ITEM(17, "Loopback detected"), NM_UTILS_LOOKUP_STR_ITEM(18, "The init script failed"), NM_UTILS_LOOKUP_STR_ITEM(19, "Authentication error. " "We failed to authenticate ourselves to the peer. " "Maybe bad account or password?"), ); static void ppp_watch_cb(GPid pid, int status, gpointer user_data) { NMPPPManager * self = NM_PPP_MANAGER(user_data); NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); int err; const long long lpid = (long long) pid; g_return_if_fail(pid == priv->pid); if (WIFEXITED(status)) { err = WEXITSTATUS(status); if (err) { _LOGW("pppd pid %lld exited with error %d: %s", lpid, err, pppd_exit_code_to_str(err)); } else _LOGD("pppd pid %lld exited with success", lpid); } else if (WIFSTOPPED(status)) { _LOGW("pppd pid %lld stopped unexpectedly with signal %d", lpid, WSTOPSIG(status)); } else if (WIFSIGNALED(status)) { _LOGW("pppd pid %lld died with signal %d", lpid, WTERMSIG(status)); } else _LOGW("pppd pid %lld died from an unknown cause", lpid); priv->pid = 0; priv->ppp_watch_id = 0; _ppp_cleanup(self); g_signal_emit(self, signals[STATE_CHANGED], 0, (guint) NM_PPP_STATUS_DEAD); } static gboolean pppd_timed_out(gpointer data) { NMPPPManager *self = NM_PPP_MANAGER(data); _LOGW("pppd timed out or didn't initialize our dbus module"); _ppp_manager_stop(self, NULL, NULL, NULL); g_signal_emit(self, signals[STATE_CHANGED], 0, (guint) NM_PPP_STATUS_DEAD); return FALSE; } static GPtrArray * create_pppd_cmd_line(NMPPPManager * self, NMSettingPpp * setting, NMSettingPppoe *pppoe, NMSettingAdsl * adsl, const char * ppp_name, guint baud_override, gboolean ip4_enabled, gboolean ip6_enabled, GError ** err) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); const char * pppd_binary = NULL; gs_unref_ptrarray GPtrArray *cmd = NULL; gboolean ppp_debug; g_return_val_if_fail(setting != NULL, NULL); #ifndef PPPD_PATH #define PPPD_PATH NULL #endif pppd_binary = nm_utils_find_helper("pppd", PPPD_PATH, err); if (!pppd_binary) return NULL; if (!ip4_enabled && !ip6_enabled) { g_set_error_literal(err, NM_MANAGER_ERROR, NM_MANAGER_ERROR_FAILED, "Neither IPv4 or IPv6 allowed."); return NULL; } cmd = g_ptr_array_new_with_free_func(g_free); nm_strv_ptrarray_add_string_dup(cmd, pppd_binary); nm_strv_ptrarray_add_string_dup(cmd, "nodetach"); nm_strv_ptrarray_add_string_dup(cmd, "lock"); /* NM handles setting the default route */ nm_strv_ptrarray_add_string_dup(cmd, "nodefaultroute"); if (!ip4_enabled) nm_strv_ptrarray_add_string_dup(cmd, "noip"); if (ip6_enabled) { /* Allow IPv6 to be configured by IPV6CP */ nm_strv_ptrarray_add_string_dup(cmd, "ipv6"); nm_strv_ptrarray_add_string_dup(cmd, ","); } else nm_strv_ptrarray_add_string_dup(cmd, "noipv6"); ppp_debug = !!getenv("NM_PPP_DEBUG"); if (nm_logging_enabled(LOGL_DEBUG, LOGD_PPP)) ppp_debug = TRUE; if (ppp_debug) nm_strv_ptrarray_add_string_dup(cmd, "debug"); if (ppp_name) { nm_strv_ptrarray_add_string_dup(cmd, "user"); nm_strv_ptrarray_add_string_dup(cmd, ppp_name); } if (pppoe) { const char *pppoe_service; nm_strv_ptrarray_add_string_dup(cmd, "plugin"); nm_strv_ptrarray_add_string_dup(cmd, "rp-pppoe.so"); nm_strv_ptrarray_add_string_concat(cmd, "nic-", priv->parent_iface); pppoe_service = nm_setting_pppoe_get_service(pppoe); if (pppoe_service) { nm_strv_ptrarray_add_string_dup(cmd, "rp_pppoe_service"); nm_strv_ptrarray_add_string_dup(cmd, pppoe_service); } } else if (adsl) { const char *protocol = nm_setting_adsl_get_protocol(adsl); if (!strcmp(protocol, NM_SETTING_ADSL_PROTOCOL_PPPOA)) { guint32 vpi = nm_setting_adsl_get_vpi(adsl); guint32 vci = nm_setting_adsl_get_vci(adsl); const char *encaps = nm_setting_adsl_get_encapsulation(adsl); nm_strv_ptrarray_add_string_dup(cmd, "plugin"); nm_strv_ptrarray_add_string_dup(cmd, "pppoatm.so"); nm_strv_ptrarray_add_string_printf(cmd, "%d.%d", vpi, vci); if (g_strcmp0(encaps, NM_SETTING_ADSL_ENCAPSULATION_LLC) == 0) nm_strv_ptrarray_add_string_dup(cmd, "llc-encaps"); else /*if (g_strcmp0 (encaps, NM_SETTING_ADSL_ENCAPSULATION_VCMUX) == 0)*/ nm_strv_ptrarray_add_string_dup(cmd, "vc-encaps"); } else if (!strcmp(protocol, NM_SETTING_ADSL_PROTOCOL_PPPOE)) { nm_strv_ptrarray_add_string_dup(cmd, "plugin"); nm_strv_ptrarray_add_string_dup(cmd, "rp-pppoe.so"); nm_strv_ptrarray_add_string_dup(cmd, priv->parent_iface); } nm_strv_ptrarray_add_string_dup(cmd, "noipdefault"); } else { nm_strv_ptrarray_add_string_dup(cmd, priv->parent_iface); /* Don't send some random address as the local address */ nm_strv_ptrarray_add_string_dup(cmd, "noipdefault"); } if (nm_setting_ppp_get_baud(setting)) nm_strv_ptrarray_add_int(cmd, nm_setting_ppp_get_baud(setting)); else if (baud_override) nm_strv_ptrarray_add_int(cmd, baud_override); /* noauth by default, because we certainly don't have any information * with which to verify anything the peer gives us if we ask it to * authenticate itself, which is what 'auth' really means. */ nm_strv_ptrarray_add_string_dup(cmd, "noauth"); if (nm_setting_ppp_get_refuse_eap(setting)) nm_strv_ptrarray_add_string_dup(cmd, "refuse-eap"); if (nm_setting_ppp_get_refuse_pap(setting)) nm_strv_ptrarray_add_string_dup(cmd, "refuse-pap"); if (nm_setting_ppp_get_refuse_chap(setting)) nm_strv_ptrarray_add_string_dup(cmd, "refuse-chap"); if (nm_setting_ppp_get_refuse_mschap(setting)) nm_strv_ptrarray_add_string_dup(cmd, "refuse-mschap"); if (nm_setting_ppp_get_refuse_mschapv2(setting)) nm_strv_ptrarray_add_string_dup(cmd, "refuse-mschap-v2"); if (nm_setting_ppp_get_nobsdcomp(setting)) nm_strv_ptrarray_add_string_dup(cmd, "nobsdcomp"); if (nm_setting_ppp_get_no_vj_comp(setting)) nm_strv_ptrarray_add_string_dup(cmd, "novj"); if (nm_setting_ppp_get_nodeflate(setting)) nm_strv_ptrarray_add_string_dup(cmd, "nodeflate"); if (nm_setting_ppp_get_require_mppe(setting)) nm_strv_ptrarray_add_string_dup(cmd, "require-mppe"); if (nm_setting_ppp_get_require_mppe_128(setting)) nm_strv_ptrarray_add_string_dup(cmd, "require-mppe-128"); if (nm_setting_ppp_get_mppe_stateful(setting)) nm_strv_ptrarray_add_string_dup(cmd, "mppe-stateful"); if (nm_setting_ppp_get_crtscts(setting)) nm_strv_ptrarray_add_string_dup(cmd, "crtscts"); /* Always ask for DNS, we don't have to use them if the connection * overrides the returned servers. */ nm_strv_ptrarray_add_string_dup(cmd, "usepeerdns"); if (nm_setting_ppp_get_mru(setting)) { nm_strv_ptrarray_add_string_dup(cmd, "mru"); nm_strv_ptrarray_add_int(cmd, nm_setting_ppp_get_mru(setting)); } if (nm_setting_ppp_get_mtu(setting)) { nm_strv_ptrarray_add_string_dup(cmd, "mtu"); nm_strv_ptrarray_add_int(cmd, nm_setting_ppp_get_mtu(setting)); } nm_strv_ptrarray_add_string_dup(cmd, "lcp-echo-failure"); nm_strv_ptrarray_add_int(cmd, nm_setting_ppp_get_lcp_echo_failure(setting)); nm_strv_ptrarray_add_string_dup(cmd, "lcp-echo-interval"); nm_strv_ptrarray_add_int(cmd, nm_setting_ppp_get_lcp_echo_interval(setting)); /* Avoid pppd to exit if no traffic going through */ nm_strv_ptrarray_add_string_dup(cmd, "idle"); nm_strv_ptrarray_add_string_dup(cmd, "0"); nm_strv_ptrarray_add_string_dup(cmd, "ipparam"); nm_strv_ptrarray_add_string_dup(cmd, nm_dbus_object_get_path(NM_DBUS_OBJECT(self))); nm_strv_ptrarray_add_string_dup(cmd, "plugin"); nm_strv_ptrarray_add_string_dup(cmd, NM_PPPD_PLUGIN); if (pppoe && nm_setting_pppoe_get_parent(pppoe)) { static int unit; /* The PPP interface is going to be renamed, so pass a * different unit each time so that activations don't * race with each others. */ nm_strv_ptrarray_add_string_dup(cmd, "unit"); nm_strv_ptrarray_add_int(cmd, unit); unit = unit < G_MAXINT ? unit + 1 : 0; } g_ptr_array_add(cmd, NULL); return g_steal_pointer(&cmd); } static void pppoe_fill_defaults(NMSettingPpp *setting) { if (!nm_setting_ppp_get_mtu(setting)) g_object_set(setting, NM_SETTING_PPP_MTU, (guint32) 1492, NULL); if (!nm_setting_ppp_get_mru(setting)) g_object_set(setting, NM_SETTING_PPP_MRU, (guint32) 1492, NULL); g_object_set(setting, NM_SETTING_PPP_NOAUTH, TRUE, NM_SETTING_PPP_NODEFLATE, TRUE, NULL); /* FIXME: These commented settings should be set as well, update NMSettingPpp first. */ #if 0 setting->noipdefault = TRUE; setting->default_asyncmap = TRUE; setting->defaultroute = TRUE; setting->hide_password = TRUE; setting->noaccomp = TRUE; setting->nopcomp = TRUE; setting->novj = TRUE; setting->novjccomp = TRUE; #endif } static gboolean _ppp_manager_start(NMPPPManager *self, NMActRequest *req, const char * ppp_name, guint32 timeout_secs, guint baud_override, GError ** err) { NMPPPManagerPrivate *priv; NMConnection * connection; NMSettingPpp * s_ppp; gs_unref_object NMSettingPpp *s_ppp_free = NULL; NMSettingPppoe * pppoe_setting; NMSettingAdsl * adsl_setting; gs_unref_ptrarray GPtrArray *ppp_cmd = NULL; gs_free char * cmd_str = NULL; struct stat st; const char * ip6_method, *ip4_method; gboolean ip6_enabled = FALSE; gboolean ip4_enabled = FALSE; g_return_val_if_fail(NM_IS_PPP_MANAGER(self), FALSE); g_return_val_if_fail(NM_IS_ACT_REQUEST(req), FALSE); priv = NM_PPP_MANAGER_GET_PRIVATE(self); #if !WITH_PPP /* PPP support disabled */ g_set_error_literal(err, NM_MANAGER_ERROR, NM_MANAGER_ERROR_FAILED, "PPP support is not enabled."); return FALSE; #endif nm_dbus_object_export(NM_DBUS_OBJECT(self)); priv->pid = 0; /* Make sure /dev/ppp exists (bgo #533064) */ if (stat("/dev/ppp", &st) || !S_ISCHR(st.st_mode)) nm_utils_modprobe(NULL, FALSE, "ppp_generic", NULL); connection = nm_act_request_get_applied_connection(req); g_return_val_if_fail(connection, FALSE); s_ppp = nm_connection_get_setting_ppp(connection); if (!s_ppp) { /* If the PPP settings are all default we may not have a PPP setting yet, * so just make a default one here. */ s_ppp = s_ppp_free = NM_SETTING_PPP(nm_setting_ppp_new()); } pppoe_setting = nm_connection_get_setting_pppoe(connection); if (pppoe_setting) { /* We can't modify the applied connection's setting, make a copy */ if (!s_ppp_free) s_ppp = s_ppp_free = NM_SETTING_PPP(nm_setting_duplicate((NMSetting *) s_ppp)); pppoe_fill_defaults(s_ppp); } adsl_setting = (NMSettingAdsl *) nm_connection_get_setting(connection, NM_TYPE_SETTING_ADSL); /* Figure out what address methods should be enabled */ ip4_method = nm_utils_get_ip_config_method(connection, AF_INET); ip4_enabled = nm_streq(ip4_method, NM_SETTING_IP4_CONFIG_METHOD_AUTO); ip6_method = nm_utils_get_ip_config_method(connection, AF_INET6); ip6_enabled = nm_streq(ip6_method, NM_SETTING_IP6_CONFIG_METHOD_AUTO); ppp_cmd = create_pppd_cmd_line(self, s_ppp, pppoe_setting, adsl_setting, ppp_name, baud_override, ip4_enabled, ip6_enabled, err); if (!ppp_cmd) goto fail; _LOGI("starting PPP connection"); _LOGD("command line: %s", (cmd_str = g_strjoinv(" ", (char **) ppp_cmd->pdata))); priv->pid = 0; if (!g_spawn_async(NULL, (char **) ppp_cmd->pdata, NULL, G_SPAWN_DO_NOT_REAP_CHILD, nm_utils_setpgid, NULL, &priv->pid, err)) goto fail; nm_assert(priv->pid > 0); _LOGI("pppd started with pid %lld", (long long) priv->pid); priv->ppp_watch_id = g_child_watch_add(priv->pid, (GChildWatchFunc) ppp_watch_cb, self); priv->ppp_timeout_handler = g_timeout_add_seconds(timeout_secs, pppd_timed_out, self); priv->act_req = g_object_ref(req); return TRUE; fail: nm_dbus_object_unexport(NM_DBUS_OBJECT(self)); return FALSE; } static void _ppp_cleanup(NMPPPManager *self) { NMPPPManagerPrivate *priv; g_return_if_fail(NM_IS_PPP_MANAGER(self)); priv = NM_PPP_MANAGER_GET_PRIVATE(self); cancel_get_secrets(self); nm_clear_g_source(&priv->monitor_id); if (priv->monitor_fd >= 0) { /* Get the stats one last time */ monitor_cb(self); nm_close(priv->monitor_fd); priv->monitor_fd = -1; } nm_clear_g_source(&priv->ppp_timeout_handler); nm_clear_g_source(&priv->ppp_watch_id); } /*****************************************************************************/ struct _NMPPPManagerStopHandle { NMPPPManager * self; NMPPPManagerStopCallback callback; gpointer user_data; /* this object delays shutdown, because we still need to wait until * pppd process terminated. */ GObject *shutdown_waitobj; GCancellable *cancellable; gulong cancellable_id; guint idle_id; }; static void _stop_handle_complete(NMPPPManagerStopHandle *handle, gboolean was_cancelled) { gs_unref_object NMPPPManager *self = NULL; NMPPPManagerStopCallback callback; if (handle->cancellable_id) { g_cancellable_disconnect(handle->cancellable, nm_steal_int(&handle->cancellable_id)); } g_clear_object(&handle->cancellable); self = g_steal_pointer(&handle->self); if (!self) return; if (!handle->callback) return; callback = handle->callback; handle->callback = NULL; callback(self, handle, was_cancelled, handle->user_data); } static void _stop_handle_destroy(NMPPPManagerStopHandle *handle, gboolean was_cancelled) { _stop_handle_complete(handle, was_cancelled); nm_clear_g_source(&handle->idle_id); g_clear_object(&handle->shutdown_waitobj); g_slice_free(NMPPPManagerStopHandle, handle); } static void _stop_child_cb(pid_t pid, gboolean success, int child_status, gpointer user_data) { _stop_handle_destroy(user_data, FALSE); } static gboolean _stop_idle_cb(gpointer user_data) { NMPPPManagerStopHandle *handle = user_data; handle->idle_id = 0; _stop_handle_destroy(handle, FALSE); return G_SOURCE_REMOVE; } static void _stop_cancelled_cb(GCancellable *cancellable, gpointer user_data) { NMPPPManagerStopHandle *handle = user_data; nm_clear_g_signal_handler(handle->cancellable, &handle->cancellable_id); _ppp_manager_stop_cancel(handle); } static NMPPPManagerStopHandle * _ppp_manager_stop(NMPPPManager * self, GCancellable * cancellable, NMPPPManagerStopCallback callback, gpointer user_data) { NMPPPManagerPrivate * priv = NM_PPP_MANAGER_GET_PRIVATE(self); NMDBusObject * dbus = NM_DBUS_OBJECT(self); NMPPPManagerStopHandle *handle; if (nm_dbus_object_is_exported(dbus)) nm_dbus_object_unexport(dbus); _ppp_cleanup(self); if (!priv->pid && !callback) { /* nothing to do further... * * In this case, we return a %NULL handle. The caller cannot cancel this * event, but clearly he is not waiting for a callback anyway. */ return NULL; } handle = g_slice_new0(NMPPPManagerStopHandle); handle->self = g_object_ref(self); handle->callback = callback; handle->user_data = user_data; if (cancellable) { handle->cancellable = g_object_ref(cancellable); handle->cancellable_id = g_cancellable_connect(cancellable, G_CALLBACK(_stop_cancelled_cb), handle, NULL); } if (!priv->pid) { /* No PID. There is nothing to kill, however, invoke the callback in * an idle handler. * * Note that we don't register nm_shutdown_wait_obj_register_object(). * In order for shutdown to work properly, the caller must always * explicitly cancel the action to go down. With the idle-handler, * cancelling the handle completes the request. */ handle->idle_id = g_idle_add(_stop_idle_cb, handle); return handle; } /* we really want to kill the process and delay shutdown of NetworkManager * until the process terminated. We do that, by registering an object * that delays shutdown. */ handle->shutdown_waitobj = g_object_new(G_TYPE_OBJECT, NULL); nm_shutdown_wait_obj_register_object(handle->shutdown_waitobj, "ppp-manager-wait-kill-pppd"); nm_utils_kill_child_async(nm_steal_int(&priv->pid), SIGTERM, LOGD_PPP, "pppd", NM_SHUTDOWN_TIMEOUT_MS, _stop_child_cb, handle); return handle; } /*****************************************************************************/ static void _ppp_manager_stop_cancel(NMPPPManagerStopHandle *handle) { g_return_if_fail(handle); g_return_if_fail(NM_IS_PPP_MANAGER(handle->self)); if (handle->idle_id) { /* we can complete this fake handle right away. */ _stop_handle_destroy(handle, TRUE); return; } /* a real handle. Only invoke the callback (synchronously). This marks * the handle as handled, but it keeps shutdown_waitobj around, until * nm_utils_kill_child_async() returns. */ _stop_handle_complete(handle, TRUE); } /*****************************************************************************/ static void get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(object); switch (prop_id) { case PROP_PARENT_IFACE: g_value_set_string(value, priv->parent_iface); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); break; } } static void set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(object); switch (prop_id) { case PROP_PARENT_IFACE: /* construct-only */ priv->parent_iface = g_value_dup_string(value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); break; } } /*****************************************************************************/ static void nm_ppp_manager_init(NMPPPManager *self) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); priv->ifindex = -1; priv->monitor_fd = -1; priv->ip4_route_table = RT_TABLE_MAIN; priv->ip4_route_metric = 460; priv->ip6_route_table = RT_TABLE_MAIN; priv->ip6_route_metric = 460; } static NMPPPManager * _ppp_manager_new(const char *iface) { g_return_val_if_fail(iface != NULL, NULL); return g_object_new(NM_TYPE_PPP_MANAGER, NM_PPP_MANAGER_PARENT_IFACE, iface, NULL); } static void dispose(GObject *object) { NMPPPManager * self = (NMPPPManager *) object; NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(self); /* we expect the user to first stop the manager. As fallback, * still stop. */ g_warn_if_fail(!priv->pid); g_warn_if_fail(!nm_dbus_object_is_exported(NM_DBUS_OBJECT(self))); _ppp_manager_stop(self, NULL, NULL, NULL); g_clear_object(&priv->act_req); G_OBJECT_CLASS(nm_ppp_manager_parent_class)->dispose(object); } static void finalize(GObject *object) { NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE(object); g_free(priv->parent_iface); G_OBJECT_CLASS(nm_ppp_manager_parent_class)->finalize(object); } static const NMDBusInterfaceInfoExtended interface_info_ppp = { .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT( NM_DBUS_INTERFACE_PPP, .methods = NM_DEFINE_GDBUS_METHOD_INFOS( NM_DEFINE_DBUS_METHOD_INFO_EXTENDED( NM_DEFINE_GDBUS_METHOD_INFO_INIT( "NeedSecrets", .out_args = NM_DEFINE_GDBUS_ARG_INFOS(NM_DEFINE_GDBUS_ARG_INFO("username", "s"), NM_DEFINE_GDBUS_ARG_INFO("password", "s"), ), ), .handle = impl_ppp_manager_need_secrets, ), NM_DEFINE_DBUS_METHOD_INFO_EXTENDED( NM_DEFINE_GDBUS_METHOD_INFO_INIT( "SetIp4Config", .in_args = NM_DEFINE_GDBUS_ARG_INFOS(NM_DEFINE_GDBUS_ARG_INFO("config", "a{sv}"), ), ), .handle = impl_ppp_manager_set_ip4_config, ), NM_DEFINE_DBUS_METHOD_INFO_EXTENDED( NM_DEFINE_GDBUS_METHOD_INFO_INIT( "SetIp6Config", .in_args = NM_DEFINE_GDBUS_ARG_INFOS(NM_DEFINE_GDBUS_ARG_INFO("config", "a{sv}"), ), ), .handle = impl_ppp_manager_set_ip6_config, ), NM_DEFINE_DBUS_METHOD_INFO_EXTENDED( NM_DEFINE_GDBUS_METHOD_INFO_INIT("SetState", .in_args = NM_DEFINE_GDBUS_ARG_INFOS( NM_DEFINE_GDBUS_ARG_INFO("state", "u"), ), ), .handle = impl_ppp_manager_set_state, ), NM_DEFINE_DBUS_METHOD_INFO_EXTENDED( NM_DEFINE_GDBUS_METHOD_INFO_INIT("SetIfindex", .in_args = NM_DEFINE_GDBUS_ARG_INFOS( NM_DEFINE_GDBUS_ARG_INFO("ifindex", "i"), ), ), .handle = impl_ppp_manager_set_ifindex, ), ), ), }; static void nm_ppp_manager_class_init(NMPPPManagerClass *manager_class) { GObjectClass * object_class = G_OBJECT_CLASS(manager_class); NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(manager_class); object_class->dispose = dispose; object_class->finalize = finalize; object_class->get_property = get_property; object_class->set_property = set_property; dbus_object_class->export_path = NM_DBUS_EXPORT_PATH_NUMBERED(NM_DBUS_PATH "/PPP"); dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_ppp); obj_properties[PROP_PARENT_IFACE] = g_param_spec_string(NM_PPP_MANAGER_PARENT_IFACE, "", "", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); signals[STATE_CHANGED] = g_signal_new(NM_PPP_MANAGER_SIGNAL_STATE_CHANGED, G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_UINT); signals[IFINDEX_SET] = g_signal_new(NM_PPP_MANAGER_SIGNAL_IFINDEX_SET, G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_STRING); signals[IP4_CONFIG] = g_signal_new(NM_PPP_MANAGER_SIGNAL_IP4_CONFIG, G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_OBJECT); signals[IP6_CONFIG] = g_signal_new(NM_PPP_MANAGER_SIGNAL_IP6_CONFIG, G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_OBJECT); signals[STATS] = g_signal_new(NM_PPP_MANAGER_SIGNAL_STATS, G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_UINT /*guint32 in_bytes*/, G_TYPE_UINT /*guint32 out_bytes*/); } NMPPPOps ppp_ops = { .create = _ppp_manager_new, .set_route_parameters = _ppp_manager_set_route_parameters, .start = _ppp_manager_start, .stop = _ppp_manager_stop, .stop_cancel = _ppp_manager_stop_cancel, };