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-rw-r--r--src/modem-manager/nm-modem.c1147
1 files changed, 1147 insertions, 0 deletions
diff --git a/src/modem-manager/nm-modem.c b/src/modem-manager/nm-modem.c
new file mode 100644
index 00000000..e07b818b
--- /dev/null
+++ b/src/modem-manager/nm-modem.c
@@ -0,0 +1,1147 @@
+/* -*- 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) 2009 - 2010 Red Hat, Inc.
+ * Copyright (C) 2009 Novell, Inc.
+ */
+
+#include <string.h>
+#include "nm-modem.h"
+#include "nm-system.h"
+#include "nm-dbus-manager.h"
+#include "nm-setting-connection.h"
+#include "nm-marshal.h"
+#include "nm-properties-changed-signal.h"
+#include "nm-modem-types.h"
+#include "nm-logging.h"
+#include "NetworkManagerUtils.h"
+#include "nm-device-private.h"
+#include "nm-device-interface.h"
+#include "nm-dbus-glib-types.h"
+
+#include "nm-serial-device-glue.h"
+
+G_DEFINE_TYPE (NMModem, nm_modem, G_TYPE_OBJECT)
+
+#define NM_MODEM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_MODEM, NMModemPrivate))
+
+enum {
+	PROP_0,
+	PROP_DEVICE,
+	PROP_IFACE,
+	PROP_PATH,
+	PROP_IP_METHOD,
+	PROP_ENABLED,
+
+	LAST_PROP
+};
+
+typedef struct {
+	NMDBusManager *dbus_mgr;
+	DBusGProxy *proxy;
+	DBusGProxy *props_proxy;
+
+	char *path;
+	NMPPPManager *ppp_manager;
+	NMIP4Config	 *pending_ip4_config;
+	guint32 ip_method;
+	char *device;
+	char *iface;
+
+	guint32 secrets_tries;
+
+	DBusGProxyCall *call;
+
+	gboolean mm_enabled;
+
+	/* PPP stats */
+	guint32 in_bytes;
+	guint32 out_bytes;
+} NMModemPrivate;
+
+enum {
+	PPP_STATS,
+	PPP_FAILED,
+	PREPARE_RESULT,
+	IP4_CONFIG_RESULT,
+	NEED_AUTH,
+
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+NMPPPManager *
+nm_modem_get_ppp_manager (NMModem *self)
+{
+	g_return_val_if_fail (NM_IS_MODEM (self), NULL);
+
+	return NM_MODEM_GET_PRIVATE (self)->ppp_manager;
+}
+
+gboolean
+nm_modem_get_mm_enabled (NMModem *self)
+{
+	g_return_val_if_fail (NM_IS_MODEM (self), TRUE);
+
+	return NM_MODEM_GET_PRIVATE (self)->mm_enabled;
+}
+
+DBusGProxy *
+nm_modem_get_proxy (NMModem *self,
+					const char *interface)
+{
+
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+	const char *current_iface;
+
+	g_return_val_if_fail (NM_IS_MODEM (self), NULL);
+
+	/* Default to the default interface. */
+	if (interface == NULL)
+		interface = MM_DBUS_INTERFACE_MODEM;
+
+	if (interface && !strcmp (interface, DBUS_INTERFACE_PROPERTIES))
+		return priv->props_proxy;
+
+	current_iface = dbus_g_proxy_get_interface (priv->proxy);
+	if (!current_iface || strcmp (current_iface, interface))
+		dbus_g_proxy_set_interface (priv->proxy, interface);
+
+	return priv->proxy;
+}
+
+static void
+merge_ip4_config (NMActRequest *req, NMIP4Config *config)
+{
+	NMConnection *connection;
+	NMSettingIP4Config *s_ip4;
+
+	/* Merge user-defined overrides into the IP4Config to be applied */
+	connection = nm_act_request_get_connection (req);
+	g_assert (connection);
+
+	s_ip4 = (NMSettingIP4Config *) nm_connection_get_setting (connection, NM_TYPE_SETTING_IP4_CONFIG);
+	if (s_ip4)
+		nm_utils_merge_ip4_config (config, s_ip4);
+}
+
+/*****************************************************************************/
+/* IP method PPP */
+
+static void
+ppp_state_changed (NMPPPManager *ppp_manager, NMPPPStatus status, gpointer user_data)
+{
+	switch (status) {
+	case NM_PPP_STATUS_DISCONNECT:
+		g_signal_emit (NM_MODEM (user_data), signals[PPP_FAILED], 0, NM_DEVICE_STATE_REASON_PPP_DISCONNECT);
+		break;
+	case NM_PPP_STATUS_DEAD:
+		g_signal_emit (NM_MODEM (user_data), signals[PPP_FAILED], 0, NM_DEVICE_STATE_REASON_PPP_FAILED);
+		break;
+	default:
+		break;
+	}
+}
+
+static void
+ppp_ip4_config (NMPPPManager *ppp_manager,
+				const char *iface,
+				NMIP4Config *config,
+				gpointer user_data)
+{
+	NMModem *self = NM_MODEM (user_data);
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+	guint32 i, num;
+	guint32 bad_dns1 = htonl (0x0A0B0C0D);
+	guint32 good_dns1 = htonl (0x04020201);  /* GTE nameserver */
+	guint32 bad_dns2 = htonl (0x0A0B0C0E);
+	guint32 good_dns2 = htonl (0x04020202);  /* GTE nameserver */
+	gboolean dns_workaround = FALSE;
+
+	/* Work around a PPP bug (#1732) which causes many mobile broadband
+	 * providers to return 10.11.12.13 and 10.11.12.14 for the DNS servers.
+	 * Apparently fixed in ppp-2.4.5 but we've had some reports that this is
+	 * not the case.
+	 *
+	 * http://git.ozlabs.org/?p=ppp.git;a=commitdiff_plain;h=2e09ef6886bbf00bc5a9a641110f801e372ffde6
+	 * http://git.ozlabs.org/?p=ppp.git;a=commitdiff_plain;h=f8191bf07df374f119a07910a79217c7618f113e
+	 */
+
+	num = nm_ip4_config_get_num_nameservers (config);
+	if (num == 2) {
+		gboolean found1 = FALSE, found2 = FALSE;
+
+		for (i = 0; i < num; i++) {
+			guint32 ns = nm_ip4_config_get_nameserver (config, i);
+
+			if (ns == bad_dns1)
+				found1 = TRUE;
+			else if (ns == bad_dns2)
+				found2 = TRUE;
+		}
+
+		/* Be somewhat conservative about substitutions; the "bad" nameservers
+		 * could actually be valid in some cases, so only substitute if ppp
+		 * returns *only* the two bad nameservers.
+		 */
+		dns_workaround = (found1 && found2);
+	}
+
+	if (!num || dns_workaround) {
+		nm_log_warn (LOGD_PPP, "compensating for invalid PPP-provided nameservers");
+		nm_ip4_config_reset_nameservers (config);
+		nm_ip4_config_add_nameserver (config, good_dns1);
+		nm_ip4_config_add_nameserver (config, good_dns2);
+	}
+
+	priv->pending_ip4_config = g_object_ref (config);
+	g_signal_emit (self, signals[IP4_CONFIG_RESULT], 0, iface, config, NULL);
+}
+
+static void
+ppp_stats (NMPPPManager *ppp_manager,
+		   guint32 in_bytes,
+		   guint32 out_bytes,
+		   gpointer user_data)
+{
+	NMModem *self = NM_MODEM (user_data);
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+
+	if (priv->in_bytes != in_bytes || priv->out_bytes != out_bytes) {
+		priv->in_bytes = in_bytes;
+		priv->out_bytes = out_bytes;
+
+		g_signal_emit (self, signals[PPP_STATS], 0, in_bytes, out_bytes);
+	}
+}
+
+static NMActStageReturn
+ppp_stage3_ip4_config_start (NMModem *self,
+                             NMActRequest *req,
+                             NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+	const char *ppp_name = NULL;
+	GError *error = NULL;
+	NMActStageReturn ret;
+
+	g_return_val_if_fail (self != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_ACT_REQUEST (req), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (reason !=	NULL, NM_ACT_STAGE_RETURN_FAILURE);
+
+	if (NM_MODEM_GET_CLASS (self)->get_user_pass) {
+		NMConnection *connection = nm_act_request_get_connection (req);
+
+		g_assert (connection);
+		if (!NM_MODEM_GET_CLASS (self)->get_user_pass (self, connection, &ppp_name, NULL))
+			return NM_ACT_STAGE_RETURN_FAILURE;
+	}
+
+	priv->ppp_manager = nm_ppp_manager_new (priv->iface);
+	if (nm_ppp_manager_start (priv->ppp_manager, req, ppp_name, 20, &error)) {
+		g_signal_connect (priv->ppp_manager, "state-changed",
+						  G_CALLBACK (ppp_state_changed),
+						  self);
+		g_signal_connect (priv->ppp_manager, "ip4-config",
+						  G_CALLBACK (ppp_ip4_config),
+						  self);
+		g_signal_connect (priv->ppp_manager, "stats",
+						  G_CALLBACK (ppp_stats),
+						  self);
+
+		ret = NM_ACT_STAGE_RETURN_POSTPONE;
+	} else {
+		nm_log_err (LOGD_PPP, "error starting PPP: (%d) %s",
+		            error ? error->code : -1,
+		            error && error->message ? error->message : "(unknown)");
+		g_error_free (error);
+
+		g_object_unref (priv->ppp_manager);
+		priv->ppp_manager = NULL;
+
+		*reason = NM_DEVICE_STATE_REASON_PPP_START_FAILED;
+		ret = NM_ACT_STAGE_RETURN_FAILURE;
+	}
+
+	return ret;
+}
+
+static NMActStageReturn
+ppp_stage4 (NMModem *self,
+            NMActRequest *req,
+            NMIP4Config **config,
+            NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+
+	*config = priv->pending_ip4_config;
+	priv->pending_ip4_config = NULL;
+
+	merge_ip4_config (req, *config);
+
+	return NM_ACT_STAGE_RETURN_SUCCESS;
+}
+
+/*****************************************************************************/
+/* IP method static */
+
+static void
+static_stage3_done (DBusGProxy *proxy, DBusGProxyCall *call, gpointer user_data)
+{
+	NMModem *self = NM_MODEM (user_data);
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+	GValueArray *ret_array = NULL;
+	GError *error = NULL;
+	NMIP4Config *config = NULL;
+
+	priv->call = NULL;
+
+	if (dbus_g_proxy_end_call (proxy, call, &error,
+							   G_TYPE_VALUE_ARRAY, &ret_array,
+							   G_TYPE_INVALID)) {
+		NMIP4Address *addr;
+		int i;
+
+		config = nm_ip4_config_new ();
+
+		addr = nm_ip4_address_new ();
+		nm_ip4_address_set_address (addr, g_value_get_uint (g_value_array_get_nth (ret_array, 0)));
+		nm_ip4_address_set_prefix (addr, 32);
+		nm_ip4_config_take_address (config, addr);
+
+		for (i = 0; i < ret_array->n_values; i++) {
+			GValue *value = g_value_array_get_nth (ret_array, i);
+
+			nm_ip4_config_add_nameserver (config, g_value_get_uint (value));
+		}
+		g_value_array_free (ret_array);
+
+		priv->pending_ip4_config = g_object_ref (config);
+		g_signal_emit (self, signals[IP4_CONFIG_RESULT], 0, NULL, config, NULL);
+	}
+
+	g_signal_emit (self, signals[IP4_CONFIG_RESULT], 0, NULL, config, error);
+	g_clear_error (&error);
+}
+
+static NMActStageReturn
+static_stage3_ip4_config_start (NMModem *self,
+                                NMActRequest *req,
+                                NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv;
+
+	g_return_val_if_fail (self != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_ACT_REQUEST (req), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (reason !=	NULL, NM_ACT_STAGE_RETURN_FAILURE);
+
+	priv = NM_MODEM_GET_PRIVATE (self);
+
+	priv->call = dbus_g_proxy_begin_call (nm_modem_get_proxy (self, MM_DBUS_INTERFACE_MODEM),
+	                                      "GetIP4Config", static_stage3_done,
+	                                      self, NULL,
+	                                      G_TYPE_INVALID);
+
+	return NM_ACT_STAGE_RETURN_POSTPONE;
+}
+
+static NMActStageReturn
+static_stage4 (NMModem *self,
+               NMActRequest *req,
+               NMDevice *device,
+               NMIP4Config **config,
+               NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+	gboolean no_firmware = FALSE;
+
+	if (!nm_device_hw_bring_up (device, TRUE, &no_firmware)) {
+		if (no_firmware)
+			*reason = NM_DEVICE_STATE_REASON_FIRMWARE_MISSING;
+		else
+			*reason = NM_DEVICE_STATE_REASON_CONFIG_FAILED;
+		return NM_ACT_STAGE_RETURN_FAILURE;
+	}
+
+	*config = priv->pending_ip4_config;
+	priv->pending_ip4_config = NULL;
+
+	merge_ip4_config (req, *config);
+
+	return NM_ACT_STAGE_RETURN_SUCCESS;
+}
+
+/*****************************************************************************/
+
+NMActStageReturn
+nm_modem_stage3_ip4_config_start (NMModem *self,
+                                  NMDevice *device,
+                                  NMDeviceClass *device_class,
+                                  NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv;
+	NMActRequest *req;
+	NMActStageReturn ret;
+
+	g_return_val_if_fail (self != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (device != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_DEVICE (device), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (device_class != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_DEVICE_CLASS (device_class), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+
+	req = nm_device_get_act_request (device);
+	g_assert (req);
+
+	priv = NM_MODEM_GET_PRIVATE (self);
+	switch (priv->ip_method) {
+	case MM_MODEM_IP_METHOD_PPP:
+		ret = ppp_stage3_ip4_config_start (self, req, reason);
+		break;
+	case MM_MODEM_IP_METHOD_STATIC:
+		ret = static_stage3_ip4_config_start (self, req, reason);
+		break;
+	case MM_MODEM_IP_METHOD_DHCP:
+		ret = device_class->act_stage3_ip4_config_start (device, reason);
+		break;
+	default:
+		nm_log_err (LOGD_MB, "unknown IP method %d", priv->ip_method);
+		ret = NM_ACT_STAGE_RETURN_FAILURE;
+		break;
+	}
+
+	return ret;
+}
+
+NMActStageReturn
+nm_modem_stage4_get_ip4_config (NMModem *self,
+                                NMDevice *device,
+                                NMDeviceClass *device_class,
+								NMIP4Config **config,
+								NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv;
+	NMActRequest *req;
+	NMActStageReturn ret;
+
+	g_return_val_if_fail (self != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (device != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_DEVICE (device), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (device_class != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (NM_IS_DEVICE_CLASS (device_class), NM_ACT_STAGE_RETURN_FAILURE);
+	g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
+
+	req = nm_device_get_act_request (device);
+	g_assert (req);
+
+	priv = NM_MODEM_GET_PRIVATE (self);
+	switch (priv->ip_method) {
+	case MM_MODEM_IP_METHOD_PPP:
+		ret = ppp_stage4 (self, req, config, reason);
+		break;
+	case MM_MODEM_IP_METHOD_STATIC:
+		ret = static_stage4 (self, req, device, config, reason);
+		break;
+	case MM_MODEM_IP_METHOD_DHCP:
+		ret = device_class->act_stage4_get_ip4_config (device, config, reason);
+		break;
+	default:
+		nm_log_err (LOGD_MB, "unknown IP method %d", priv->ip_method);
+		ret = NM_ACT_STAGE_RETURN_FAILURE;
+		break;
+	}
+
+	return ret;
+}
+
+gboolean
+nm_modem_connection_secrets_updated (NMModem *self,
+                                     NMActRequest *req,
+                                     NMConnection *connection,
+                                     GSList *updated_settings,
+                                     RequestSecretsCaller caller)
+{
+	NMModemPrivate *priv;
+	gboolean found = FALSE;
+	const char *setting_name;
+	GSList *iter;
+
+	g_return_val_if_fail (self != NULL, FALSE);
+	g_return_val_if_fail (NM_IS_MODEM (self), FALSE);
+	g_return_val_if_fail (req != NULL, FALSE);
+	g_return_val_if_fail (NM_IS_ACT_REQUEST (req), FALSE);
+	g_return_val_if_fail (connection != NULL, FALSE);
+	g_return_val_if_fail (NM_IS_ACT_REQUEST (req), FALSE);
+
+	priv = NM_MODEM_GET_PRIVATE (self);
+
+	if (caller == SECRETS_CALLER_PPP) {
+		const char *user = NULL;
+		const char *pass = NULL;
+
+		g_return_val_if_fail (priv->ppp_manager != NULL, FALSE);
+
+		if (!NM_MODEM_GET_CLASS (self)->get_user_pass (self, connection, &user, &pass)) {
+			/* Shouldn't ever happen */
+			nm_ppp_manager_update_secrets (priv->ppp_manager,
+										   priv->iface,
+										   NULL,
+										   NULL,
+										   "missing GSM/CDMA setting; no secrets could be found.");
+		} else {
+			nm_ppp_manager_update_secrets (priv->ppp_manager,
+										   priv->iface,
+										   user ? user : "",
+										   pass ? pass : "",
+										   NULL);
+		}
+		return TRUE;
+	}
+
+	g_return_val_if_fail (caller == SECRETS_CALLER_MOBILE_BROADBAND, FALSE);
+
+	g_assert (NM_MODEM_GET_CLASS (self)->get_setting_name);
+	setting_name = NM_MODEM_GET_CLASS (self)->get_setting_name (self);
+
+	for (iter = updated_settings; iter; iter = g_slist_next (iter)) {
+		const char *candidate_setting_name = (const char *) iter->data;
+
+		if (!strcmp (candidate_setting_name, setting_name))
+			found = TRUE;
+		else {
+			nm_log_warn (LOGD_MB, "ignoring updated secrets for setting '%s'.",
+			            candidate_setting_name);
+		}
+	}
+
+	return found;
+}
+
+static NMActStageReturn
+real_act_stage1_prepare (NMModem *modem,
+                         NMActRequest *req,
+                         GPtrArray **out_hints,
+                         const char **out_setting_name,
+                         NMDeviceStateReason *reason)
+{
+	*reason = NM_DEVICE_STATE_REASON_UNKNOWN;
+	return NM_ACT_STAGE_RETURN_FAILURE;
+}
+
+NMActStageReturn
+nm_modem_act_stage1_prepare (NMModem *self,
+                             NMActRequest *req,
+                             NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+	NMActStageReturn ret;
+	GPtrArray *hints = NULL;
+	const char *setting_name = NULL;
+
+	ret = NM_MODEM_GET_CLASS (self)->act_stage1_prepare (self,
+	                                                     req,
+	                                                     &hints,
+	                                                     &setting_name,
+	                                                     reason);
+	if ((ret == NM_ACT_STAGE_RETURN_POSTPONE) && setting_name) {
+		const char *hint1 = NULL, *hint2 = NULL;
+
+		/* Need some secrets */
+		if (hints) {
+			if (hints->len > 0)
+				hint1 = g_ptr_array_index (hints, 0);
+			if (hints->len > 1)
+				hint2 = g_ptr_array_index (hints, 1);
+		}
+
+		g_signal_emit (self, signals[NEED_AUTH], 0,
+		               setting_name, 
+	                   priv->secrets_tries++ ? TRUE : FALSE,
+	                   SECRETS_CALLER_MOBILE_BROADBAND,
+	                   hint1,
+	                   hint2);
+
+		if (hints)
+			g_ptr_array_free (hints, TRUE);
+	}
+	
+	return ret;
+}
+
+NMActStageReturn
+nm_modem_act_stage2_config (NMModem *self,
+                            NMActRequest *req,
+                            NMDeviceStateReason *reason)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+
+	/* Clear secrets tries counter since secrets were successfully used
+	 * already if we get here.
+	 */
+	priv->secrets_tries = 0;
+
+	return NM_ACT_STAGE_RETURN_SUCCESS;
+}
+
+NMConnection *
+nm_modem_get_best_auto_connection (NMModem *self,
+                                   GSList *connections,
+                                   char **specific_object)
+{
+	if (NM_MODEM_GET_CLASS (self)->get_best_auto_connection)
+		return NM_MODEM_GET_CLASS (self)->get_best_auto_connection (self, connections, specific_object);
+	return NULL;
+}
+
+gboolean
+nm_modem_check_connection_compatible (NMModem *self,
+                                      NMConnection *connection,
+                                      GError **error)
+{
+	if (NM_MODEM_GET_CLASS (self)->check_connection_compatible)
+		return NM_MODEM_GET_CLASS (self)->check_connection_compatible (self, connection, error);
+	return FALSE;
+}
+
+static void
+real_deactivate_quickly (NMModem *self, NMDevice *device)
+{
+	NMModemPrivate *priv;
+	const char *iface;
+
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (NM_IS_MODEM (self));
+	g_return_if_fail (device != NULL);
+	g_return_if_fail (NM_IS_DEVICE (device));
+
+	priv = NM_MODEM_GET_PRIVATE (self);
+
+	priv->secrets_tries = 0;
+
+	if (priv->call) {
+		dbus_g_proxy_cancel_call (priv->proxy, priv->call);
+		priv->call = NULL;
+	}
+
+	if (priv->pending_ip4_config) {
+		g_object_unref (priv->pending_ip4_config);
+		priv->pending_ip4_config = NULL;
+	}
+
+	priv->in_bytes = priv->out_bytes = 0;
+
+	switch (priv->ip_method) {
+	case MM_MODEM_IP_METHOD_PPP:
+		if (priv->ppp_manager) {
+			g_object_unref (priv->ppp_manager);
+			priv->ppp_manager = NULL;
+		}
+		break;
+	case MM_MODEM_IP_METHOD_STATIC:
+	case MM_MODEM_IP_METHOD_DHCP:
+		iface = nm_device_get_ip_iface (device);
+		/* FIXME: use AF_UNSPEC here when we have IPv6 support */
+		nm_system_device_flush_routes_with_iface (iface, AF_INET);
+		nm_system_device_flush_addresses_with_iface (iface);
+		nm_system_device_set_up_down_with_iface (iface, FALSE, NULL);
+		break;
+	default:
+		nm_log_err (LOGD_MB, "unknown IP method %d", priv->ip_method);
+		break;
+	}
+}
+
+void
+nm_modem_deactivate_quickly (NMModem *self, NMDevice *device)
+{
+	NM_MODEM_GET_CLASS (self)->deactivate_quickly (self, device);
+}
+
+static void
+disconnect_done (DBusGProxy *proxy, DBusGProxyCall *call_id, gpointer user_data)
+{
+	GError *error = NULL;
+
+	if (!dbus_g_proxy_end_call (proxy, call_id, &error, G_TYPE_INVALID)) {
+		nm_log_info (LOGD_MB, "disconnect failed: (%d) %s",
+		             error ? error->code : -1,
+		             error && error->message ? error->message : "(unknown)");
+	}
+}
+
+void
+nm_modem_device_state_changed (NMModem *self,
+                               NMDeviceState new_state,
+                               NMDeviceState old_state,
+                               NMDeviceStateReason reason)
+{
+	gboolean was_connected = FALSE;
+
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (NM_IS_MODEM (self));
+
+	if (IS_ACTIVATING_STATE (old_state) || (old_state == NM_DEVICE_STATE_ACTIVATED))
+		was_connected = TRUE;
+
+	/* Make sure we don't leave the serial device open */
+	switch (new_state) {
+	case NM_DEVICE_STATE_NEED_AUTH:
+		if (NM_MODEM_GET_PRIVATE (self)->ppp_manager)
+			break;
+		/* else fall through */
+	case NM_DEVICE_STATE_UNMANAGED:
+	case NM_DEVICE_STATE_UNAVAILABLE:
+	case NM_DEVICE_STATE_FAILED:
+	case NM_DEVICE_STATE_DISCONNECTED:
+		if (was_connected) {
+			dbus_g_proxy_begin_call (nm_modem_get_proxy (self, MM_DBUS_INTERFACE_MODEM),
+			                         "Disconnect",
+			                         disconnect_done,
+			                         self,
+			                         NULL,
+			                         G_TYPE_INVALID);
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+gboolean
+nm_modem_hw_is_up (NMModem *self, NMDevice *device)
+{
+	guint32 ip_method = NM_MODEM_GET_PRIVATE (self)->ip_method;
+
+	if (ip_method == MM_MODEM_IP_METHOD_STATIC || ip_method == MM_MODEM_IP_METHOD_DHCP) {
+		NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+		NMDeviceState state;
+
+		state = nm_device_interface_get_state (NM_DEVICE_INTERFACE (device));
+		if (priv->pending_ip4_config || state == NM_DEVICE_STATE_IP_CONFIG || state == NM_DEVICE_STATE_ACTIVATED)
+			return nm_system_device_is_up (device);
+	}
+
+	return TRUE;
+}
+
+gboolean
+nm_modem_hw_bring_up (NMModem *self, NMDevice *device, gboolean *no_firmware)
+{
+	guint32 ip_method = NM_MODEM_GET_PRIVATE (self)->ip_method;
+
+	if (ip_method == MM_MODEM_IP_METHOD_STATIC || ip_method == MM_MODEM_IP_METHOD_DHCP) {
+		NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+		NMDeviceState state;
+
+		state = nm_device_interface_get_state (NM_DEVICE_INTERFACE (device));
+		if (priv->pending_ip4_config || state == NM_DEVICE_STATE_IP_CONFIG || state == NM_DEVICE_STATE_ACTIVATED)
+			return nm_system_device_set_up_down (device, TRUE, no_firmware);
+	}
+
+	return TRUE;
+}
+
+const char *
+nm_modem_get_iface (NMModem *self)
+{
+	g_return_val_if_fail (self != NULL, NULL);
+	g_return_val_if_fail (NM_IS_MODEM (self), NULL);
+
+	return NM_MODEM_GET_PRIVATE (self)->iface;
+}
+
+const char *
+nm_modem_get_path (NMModem *self)
+{
+	g_return_val_if_fail (self != NULL, NULL);
+	g_return_val_if_fail (NM_IS_MODEM (self), NULL);
+
+	return NM_MODEM_GET_PRIVATE (self)->path;
+}
+
+static void
+get_mm_enabled_done (DBusGProxy *proxy, DBusGProxyCall *call_id, gpointer user_data)
+{
+	NMModem *self = NM_MODEM (user_data);
+	GError *error = NULL;
+	GValue value = { 0, };
+
+	if (!dbus_g_proxy_end_call (proxy, call_id, &error,
+	                            G_TYPE_VALUE, &value,
+	                            G_TYPE_INVALID)) {
+		nm_log_warn (LOGD_MB, "failed get modem enabled state: (%d) %s",
+		             error ? error->code : -1,
+		             error && error->message ? error->message : "(unknown)");
+		return;
+	}
+
+	if (G_VALUE_HOLDS_BOOLEAN (&value)) {
+		NM_MODEM_GET_PRIVATE (self)->mm_enabled = g_value_get_boolean (&value);
+		g_object_notify (G_OBJECT (self), NM_MODEM_ENABLED);
+	} else
+		nm_log_warn (LOGD_MB, "failed get modem enabled state: unexpected reply type");
+
+	g_value_unset (&value);
+}
+
+static void
+query_mm_enabled (NMModem *self)
+{
+	dbus_g_proxy_begin_call (NM_MODEM_GET_PRIVATE (self)->props_proxy,
+	                         "Get", get_mm_enabled_done,
+	                         self, NULL,
+	                         G_TYPE_STRING, MM_DBUS_INTERFACE_MODEM,
+	                         G_TYPE_STRING, "Enabled",
+	                         G_TYPE_INVALID);
+}
+
+static void
+set_mm_enabled_done (DBusGProxy *proxy, DBusGProxyCall *call_id, gpointer user_data)
+{
+	GError *error = NULL;
+
+	if (!dbus_g_proxy_end_call (proxy, call_id, &error, G_TYPE_INVALID)) {
+		nm_log_warn (LOGD_MB, "failed to enable/disable modem: (%d) %s",
+		             error ? error->code : -1,
+		             error && error->message ? error->message : "(unknown)");
+	}
+
+	/* Update enabled/disabled state again */
+	query_mm_enabled (NM_MODEM (user_data));
+}
+
+void
+nm_modem_set_mm_enabled (NMModem *self, gboolean enabled)
+{
+	NMModemPrivate *priv;
+
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (NM_IS_MODEM (self));
+
+	priv = NM_MODEM_GET_PRIVATE (self);
+
+	/* FIXME: For now this just toggles the ModemManager enabled state.  In the
+	 * future we want to tie this into rfkill state instead so that the user can
+	 * toggle rfkill status of the WWAN modem.
+	 */
+
+	if (priv->mm_enabled != enabled) {
+		DBusGProxy *proxy;
+
+		proxy = nm_modem_get_proxy (self, MM_DBUS_INTERFACE_MODEM);
+		dbus_g_proxy_begin_call (proxy,
+		                         "Enable", set_mm_enabled_done,
+		                         self, NULL,
+		                         G_TYPE_BOOLEAN, enabled,
+		                         G_TYPE_INVALID);
+	}
+}
+
+static void
+modem_properties_changed (DBusGProxy *proxy,
+                          const char *interface,
+                          GHashTable *props,
+                          gpointer user_data)
+{
+	NMModem *self = NM_MODEM (user_data);
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+	GValue *value;
+
+	if (strcmp (interface, MM_DBUS_INTERFACE_MODEM))
+		return;
+
+	value = g_hash_table_lookup (props, "Enabled");
+	if (value && G_VALUE_HOLDS_BOOLEAN (value)) {
+		priv->mm_enabled = g_value_get_boolean (value);
+		g_object_notify (G_OBJECT (self), NM_MODEM_ENABLED);
+	}
+}
+
+/*****************************************************************************/
+
+static void
+nm_modem_init (NMModem *self)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
+
+	priv->dbus_mgr = nm_dbus_manager_get ();
+}
+
+static GObject*
+constructor (GType type,
+			 guint n_construct_params,
+			 GObjectConstructParam *construct_params)
+{
+	GObject *object;
+	NMModemPrivate *priv;
+	DBusGConnection *bus;
+
+	object = G_OBJECT_CLASS (nm_modem_parent_class)->constructor (type,
+																  n_construct_params,
+																  construct_params);
+	if (!object)
+		return NULL;
+
+	priv = NM_MODEM_GET_PRIVATE (object);
+
+	if (!priv->device) {
+		nm_log_err (LOGD_HW, "modem parent device not provided");
+		goto err;
+	}
+
+	if (!priv->device) {
+		nm_log_err (LOGD_HW, "modem command interface not provided");
+		goto err;
+	}
+
+	if (!priv->path) {
+		nm_log_err (LOGD_HW, "D-Bus path not provided");
+		goto err;
+	}
+
+	bus = nm_dbus_manager_get_connection (priv->dbus_mgr);
+	priv->proxy = dbus_g_proxy_new_for_name (bus,
+	                                         MM_DBUS_SERVICE,
+	                                         priv->path,
+	                                         MM_DBUS_INTERFACE_MODEM);
+
+	priv->props_proxy = dbus_g_proxy_new_for_name (bus,
+	                                               MM_DBUS_SERVICE,
+	                                               priv->path,
+	                                               DBUS_INTERFACE_PROPERTIES);
+	dbus_g_object_register_marshaller (_nm_marshal_VOID__STRING_BOXED,
+	                                   G_TYPE_NONE,
+	                                   G_TYPE_STRING, DBUS_TYPE_G_MAP_OF_VARIANT,
+	                                   G_TYPE_INVALID);
+	dbus_g_proxy_add_signal (priv->props_proxy, "MmPropertiesChanged",
+	                         G_TYPE_STRING, DBUS_TYPE_G_MAP_OF_VARIANT,
+	                         G_TYPE_INVALID);
+	dbus_g_proxy_connect_signal (priv->props_proxy, "MmPropertiesChanged",
+	                             G_CALLBACK (modem_properties_changed),
+	                             object,
+	                             NULL);
+
+	query_mm_enabled (NM_MODEM (object));
+
+	return object;
+
+ err:
+	g_object_unref (object);
+	return NULL;
+}
+
+static void
+get_property (GObject *object, guint prop_id,
+			  GValue *value, GParamSpec *pspec)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (object);
+
+	switch (prop_id) {
+	case PROP_PATH:
+		g_value_set_string (value, priv->path);
+		break;
+	case PROP_DEVICE:
+		g_value_set_string (value, priv->device);
+		break;
+	case PROP_IFACE:
+		g_value_set_string (value, priv->iface);
+		break;
+	case PROP_IP_METHOD:
+		g_value_set_uint (value, priv->ip_method);
+		break;
+	case PROP_ENABLED:
+		g_value_set_boolean (value, priv->mm_enabled);
+		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)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (object);
+
+	switch (prop_id) {
+	case PROP_PATH:
+		/* Construct only */
+		priv->path = g_value_dup_string (value);
+		break;
+	case PROP_DEVICE:
+		/* Construct only */
+		priv->device = g_value_dup_string (value);
+		break;
+	case PROP_IFACE:
+		/* Construct only */
+		priv->iface = g_value_dup_string (value);
+		break;
+	case PROP_IP_METHOD:
+		/* Construct only */
+		priv->ip_method = g_value_get_uint (value);
+		break;
+	case PROP_ENABLED:
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+finalize (GObject *object)
+{
+	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (object);
+
+	if (priv->proxy)
+		g_object_unref (priv->proxy);
+
+	if (priv->props_proxy)
+		g_object_unref (priv->props_proxy);
+
+	g_object_unref (priv->dbus_mgr);
+
+	g_free (priv->iface);
+	g_free (priv->path);
+	g_free (priv->device);
+
+	G_OBJECT_CLASS (nm_modem_parent_class)->finalize (object);
+}
+
+static void
+nm_modem_class_init (NMModemClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	g_type_class_add_private (object_class, sizeof (NMModemPrivate));
+
+	/* Virtual methods */
+	object_class->constructor = constructor;
+	object_class->set_property = set_property;
+	object_class->get_property = get_property;
+	object_class->finalize = finalize;
+
+	klass->act_stage1_prepare = real_act_stage1_prepare;
+	klass->deactivate_quickly = real_deactivate_quickly;
+
+	/* Properties */
+	g_object_class_install_property
+		(object_class, PROP_PATH,
+		 g_param_spec_string (NM_MODEM_PATH,
+							  "DBus path",
+							  "DBus path",
+							  NULL,
+							  G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+	g_object_class_install_property
+		(object_class, PROP_DEVICE,
+		 g_param_spec_string (NM_MODEM_DEVICE,
+		                      "Device",
+		                      "Master modem parent device",
+		                      NULL,
+		                      G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+	g_object_class_install_property
+		(object_class, PROP_IFACE,
+		 g_param_spec_string (NM_MODEM_IFACE,
+		                      "Interface",
+		                      "Modem command interface",
+		                      NULL,
+		                      G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+	g_object_class_install_property
+		(object_class, PROP_IP_METHOD,
+		 g_param_spec_uint (NM_MODEM_IP_METHOD,
+							"IP method",
+							"IP method",
+							MM_MODEM_IP_METHOD_PPP,
+							MM_MODEM_IP_METHOD_DHCP,
+							MM_MODEM_IP_METHOD_PPP,
+							G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+	g_object_class_install_property
+		(object_class, PROP_ENABLED,
+		 g_param_spec_boolean (NM_MODEM_ENABLED,
+		                       "Enabled",
+		                       "Enabled",
+		                       TRUE,
+		                       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | NM_PROPERTY_PARAM_NO_EXPORT));
+
+	/* Signals */
+	signals[PPP_STATS] =
+		g_signal_new ("ppp-stats",
+					  G_OBJECT_CLASS_TYPE (object_class),
+					  G_SIGNAL_RUN_FIRST,
+					  G_STRUCT_OFFSET (NMModemClass, ppp_stats),
+					  NULL, NULL,
+					  _nm_marshal_VOID__UINT_UINT,
+					  G_TYPE_NONE, 2,
+					  G_TYPE_UINT, G_TYPE_UINT);
+
+	signals[PPP_FAILED] =
+		g_signal_new ("ppp-failed",
+					  G_OBJECT_CLASS_TYPE (object_class),
+					  G_SIGNAL_RUN_FIRST,
+					  G_STRUCT_OFFSET (NMModemClass, ppp_failed),
+					  NULL, NULL,
+					  g_cclosure_marshal_VOID__UINT,
+					  G_TYPE_NONE, 1, G_TYPE_UINT);
+
+	signals[IP4_CONFIG_RESULT] =
+		g_signal_new (NM_MODEM_IP4_CONFIG_RESULT,
+					  G_OBJECT_CLASS_TYPE (object_class),
+					  G_SIGNAL_RUN_FIRST,
+					  G_STRUCT_OFFSET (NMModemClass, ip4_config_result),
+					  NULL, NULL,
+					  _nm_marshal_VOID__STRING_OBJECT_POINTER,
+					  G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_OBJECT, G_TYPE_POINTER);
+
+	signals[PREPARE_RESULT] =
+		g_signal_new (NM_MODEM_PREPARE_RESULT,
+					  G_OBJECT_CLASS_TYPE (object_class),
+					  G_SIGNAL_RUN_FIRST,
+					  G_STRUCT_OFFSET (NMModemClass, prepare_result),
+					  NULL, NULL,
+					  _nm_marshal_VOID__BOOLEAN_UINT,
+					  G_TYPE_NONE, 2, G_TYPE_BOOLEAN, G_TYPE_UINT);
+
+	signals[NEED_AUTH] =
+		g_signal_new (NM_MODEM_NEED_AUTH,
+					  G_OBJECT_CLASS_TYPE (object_class),
+					  G_SIGNAL_RUN_FIRST,
+					  G_STRUCT_OFFSET (NMModemClass, need_auth),
+					  NULL, NULL,
+					  _nm_marshal_VOID__STRING_BOOLEAN_UINT_STRING_STRING,
+					  G_TYPE_NONE, 5,
+					  G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING);
+}
+
+const DBusGObjectInfo *
+nm_modem_get_serial_dbus_info (void)
+{
+	return &dbus_glib_nm_serial_device_object_info;
+}
+