build: rename "src/ppp-manager" to "src/ppp"

The ppp directory does not only contain the manager
instance, but various files related to ppp.

Rename.

5 files changed, 1809 insertions, 0 deletions

diff --git a/src/ppp/nm-ppp-manager.c b/src/ppp/nm-ppp-manager.c
new file mode 100644
index 0000000000..9b212a1acb
--- /dev/null
+++ b/src/ppp/nm-ppp-manager.c
@@ -0,0 +1,1257 @@
+/* -*- 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) 2008 Novell, Inc.
+ * Copyright (C) 2008 - 2012 Red Hat, Inc.
+ */
+
+#include "nm-default.h"
+
+#include "nm-ppp-manager.h"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <asm/types.h>
+#include <sys/stat.h>
+
+#include <linux/ppp_defs.h>
+#ifndef aligned_u64
+#define aligned_u64 unsigned long long __attribute__((aligned(8)))
+#endif
+#include <linux/if.h>
+#include <linux/if_ppp.h>
+
+#include "NetworkManagerUtils.h"
+#include "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-pppd-plugin.h"
+#include "nm-ppp-status.h"
+
+#include "nmdbus-ppp-manager.h"
+
+#define NM_PPPD_PLUGIN PPPD_PLUGIN_DIR "/nm-pppd-plugin.so"
+#define PPP_MANAGER_SECRET_TRIES "ppp-manager-secret-tries"
+
+/*****************************************************************************/
+
+enum {
+	STATE_CHANGED,
+	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;
+
+	NMActRequest *act_req;
+	GDBusMethodInvocation *pending_secrets_context;
+	NMActRequestGetSecretsCallId secrets_id;
+	const char *secrets_setting_name;
+
+	guint ppp_watch_id;
+	guint ppp_timeout_handler;
+
+	/* Monitoring */
+	char *ip_iface;
+	int monitor_fd;
+	guint monitor_id;
+} NMPPPManagerPrivate;
+
+struct _NMPPPManager {
+	NMExportedObject parent;
+	NMPPPManagerPrivate _priv;
+};
+
+struct _NMPPPManagerClass {
+	NMExportedObjectClass parent;
+};
+
+G_DEFINE_TYPE (NMPPPManager, nm_ppp_manager, NM_TYPE_EXPORTED_OBJECT)
+
+#define NM_PPP_MANAGER_GET_PRIVATE(self) _NM_GET_PRIVATE (self, NMPPPManager, NM_IS_PPP_MANAGER)
+
+/*****************************************************************************/
+
+#define _NMLOG_DOMAIN      LOGD_PPP
+#define _NMLOG(level, ...) __NMLOG_DEFAULT (level, _NMLOG_DOMAIN, "ppp-manager", __VA_ARGS__)
+
+/*****************************************************************************/
+
+static void _ppp_cleanup  (NMPPPManager *manager);
+static void _ppp_kill (NMPPPManager *manager);
+
+/*****************************************************************************/
+
+static gboolean
+monitor_cb (gpointer user_data)
+{
+	NMPPPManager *manager = NM_PPP_MANAGER (user_data);
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+	struct ifreq req;
+	struct ppp_stats stats;
+
+	memset (&req, 0, sizeof (req));
+	memset (&stats, 0, sizeof (stats));
+	req.ifr_data = (caddr_t) &stats;
+
+	strncpy (req.ifr_name, priv->ip_iface, sizeof (req.ifr_name));
+	if (ioctl (priv->monitor_fd, SIOCGPPPSTATS, &req) < 0) {
+		if (errno != ENODEV)
+			_LOGW ("could not read ppp stats: %s", strerror (errno));
+	} else {
+		g_signal_emit (manager, signals[STATS], 0, 
+		               stats.p.ppp_ibytes,
+		               stats.p.ppp_obytes);
+	}
+
+	return TRUE;
+}
+
+static void
+monitor_stats (NMPPPManager *manager)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+
+	/* already monitoring */
+	if (priv->monitor_fd >= 0)
+		return;
+
+	priv->monitor_fd = socket (AF_INET, SOCK_DGRAM, 0);
+	if (priv->monitor_fd >= 0) {
+		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, manager);
+	} else
+		_LOGW ("could not monitor PPP stats: %s", strerror (errno));
+}
+
+/*****************************************************************************/
+
+static void
+remove_timeout_handler (NMPPPManager *manager)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+
+	nm_clear_g_source (&priv->ppp_timeout_handler);
+}
+
+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 ? username : "", password ? password : ""));
+
+ out:
+	priv->pending_secrets_context = NULL;
+	priv->secrets_id = NULL;
+	priv->secrets_setting_name = NULL;
+}
+
+static void
+impl_ppp_manager_need_secrets (NMPPPManager *manager,
+                               GDBusMethodInvocation *context)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+	NMConnection *applied_connection;
+	const char *username = NULL;
+	const char *password = NULL;
+	guint32 tries;
+	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 = context;
+			ppp_secrets_cb (priv->act_req, priv->secrets_id, NULL, NULL, manager);
+		} 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_data (G_OBJECT (applied_connection), PPP_MANAGER_SECRET_TRIES));
+	if (tries > 1)
+		flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW;
+
+	priv->secrets_id = nm_act_request_get_secrets (priv->act_req,
+	                                               priv->secrets_setting_name,
+	                                               flags,
+	                                               hints ? g_ptr_array_index (hints, 0) : NULL,
+	                                               ppp_secrets_cb,
+	                                               manager);
+	g_object_set_data (G_OBJECT (applied_connection), PPP_MANAGER_SECRET_TRIES, GUINT_TO_POINTER (++tries));
+	priv->pending_secrets_context = context;
+
+	if (hints)
+		g_ptr_array_free (hints, TRUE);
+}
+
+static void
+impl_ppp_manager_set_state (NMPPPManager *manager,
+                            GDBusMethodInvocation *context,
+                            guint32 state)
+{
+	g_signal_emit (manager, signals[STATE_CHANGED], 0, state);
+
+	g_dbus_method_invocation_return_value (context, NULL);
+}
+
+static gboolean
+set_ip_config_common (NMPPPManager *self,
+                      GVariant *config_dict,
+                      const char *iface_prop,
+                      guint32 *out_mtu)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (self);
+	NMConnection *applied_connection;
+	NMSettingPpp *s_ppp;
+	const char *iface;
+
+	if (!g_variant_lookup (config_dict, iface_prop, "&s", &iface)) {
+		_LOGE ("no interface received!");
+		return FALSE;
+	}
+	if (priv->ip_iface == NULL)
+		priv->ip_iface = g_strdup (iface);
+
+	/* Got successful IP config; obviously the secrets worked */
+	applied_connection = nm_act_request_get_applied_connection (priv->act_req);
+	g_object_set_data (G_OBJECT (applied_connection), PPP_MANAGER_SECRET_TRIES, 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 (NMPPPManager *manager,
+                                 GDBusMethodInvocation *context,
+                                 GVariant *config_dict)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+	NMIP4Config *config;
+	NMPlatformIP4Address address;
+	guint32 u32;
+	GVariantIter *iter;
+
+	_LOGI ("(IPv4 Config Get) reply received.");
+
+	remove_timeout_handler (manager);
+
+	config = nm_ip4_config_new (nm_platform_link_get_ifindex (NM_PLATFORM_GET, priv->ip_iface));
+
+	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)) {
+		nm_ip4_config_set_gateway (config, u32);
+		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);
+	}
+
+	if (!set_ip_config_common (manager, config_dict, NM_PPP_IP4_CONFIG_INTERFACE, &u32))
+		goto out;
+
+	if (u32)
+		nm_ip4_config_set_mtu (config, u32, NM_IP_CONFIG_SOURCE_PPP);
+
+	/* Push the IP4 config up to the device */
+	g_signal_emit (manager, signals[IP4_CONFIG], 0, priv->ip_iface, config);
+
+out:
+	g_object_unref (config);
+	g_dbus_method_invocation_return_value (context, 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 (NMPPPManager *manager,
+                                 GDBusMethodInvocation *context,
+                                 GVariant *config_dict)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+	NMIP6Config *config;
+	NMPlatformIP6Address addr;
+	struct in6_addr a;
+	NMUtilsIPv6IfaceId iid = NM_UTILS_IPV6_IFACE_ID_INIT;
+	gboolean has_peer = FALSE;
+
+	_LOGI ("(IPv6 Config Get) reply received.");
+
+	remove_timeout_handler (manager);
+
+	config = nm_ip6_config_new (nm_platform_link_get_ifindex (NM_PLATFORM_GET, priv->ip_iface));
+
+	memset (&addr, 0, sizeof (addr));
+	addr.plen = 64;
+
+	if (iid_value_to_ll6_addr (config_dict, NM_PPP_IP6_CONFIG_PEER_IID, &a, NULL)) {
+		nm_ip6_config_set_gateway (config, &a);
+		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);
+
+		if (set_ip_config_common (manager, config_dict, NM_PPP_IP6_CONFIG_INTERFACE, NULL)) {
+			/* Push the IPv6 config and interface identifier up to the device */
+			g_signal_emit (manager, signals[IP6_CONFIG], 0, priv->ip_iface, &iid, config);
+		}
+	} else
+		_LOGE ("invalid IPv6 address received!");
+
+	g_object_unref (config);
+	g_dbus_method_invocation_return_value (context, NULL);
+}
+
+/*****************************************************************************/
+
+typedef struct {
+	GPtrArray *array;
+	GStringChunk *chunk;
+} NMCmdLine;
+
+static NMCmdLine *
+nm_cmd_line_new (void)
+{
+	NMCmdLine *cmd;
+
+	cmd = g_slice_new (NMCmdLine);
+	cmd->array = g_ptr_array_new ();
+	cmd->chunk = g_string_chunk_new (1024);
+
+	return cmd;
+}
+
+static void
+nm_cmd_line_destroy (NMCmdLine *cmd)
+{
+	g_ptr_array_free (cmd->array, TRUE);
+	g_string_chunk_free (cmd->chunk);
+	g_slice_free (NMCmdLine, cmd);
+}
+
+static char *
+nm_cmd_line_to_str (NMCmdLine *cmd)
+{
+	char *str;
+
+	g_ptr_array_add (cmd->array, NULL);
+	str = g_strjoinv (" ", (gchar **) cmd->array->pdata);
+	g_ptr_array_remove_index (cmd->array, cmd->array->len - 1);
+
+	return str;
+}
+
+static void
+nm_cmd_line_add_string (NMCmdLine *cmd, const char *str)
+{
+	g_ptr_array_add (cmd->array, g_string_chunk_insert (cmd->chunk, str));
+}
+
+static void
+nm_cmd_line_add_int (NMCmdLine *cmd, int i)
+{
+	char *str;
+
+	str = g_strdup_printf ("%d", i);
+	nm_cmd_line_add_string (cmd, str);
+	g_free (str);
+}
+
+/*****************************************************************************/
+
+static void
+ppp_exit_code (guint pppd_exit_status, GPid pid)
+{
+	const char *msg;
+
+	switch (pppd_exit_status) {
+	case  1: 
+		msg = "Fatal pppd error"; 
+		break;
+	case  2: 
+		msg = "pppd options error"; 
+		break;
+	case  3: 
+		msg = "No root priv error"; 
+		break;
+	case  4: 
+		msg = "No ppp module error"; 
+		break;
+	case  5: 
+		msg = "pppd received a signal"; 
+		break;
+	case  6: 
+		msg = "Serial port lock failed"; 
+		break;
+	case  7: 
+		msg = "Serial port open failed"; 
+		break;
+	case  8: 
+		msg = "Connect script failed"; 
+		break;
+	case  9: 
+		msg = "Pty program error"; 
+		break;
+	case 10: 
+		msg = "PPP negotiation failed"; 
+		break;
+	case 11: 
+		msg = "Peer didn't authenticatie itself"; 
+		break;
+	case 12: 
+		msg = "Link idle: Idle Seconds reached."; 
+		break;
+	case 13: 
+		msg = "Connect time limit reached."; 
+		break;
+	case 14: 
+		msg = "Callback negotiated, call should come back.";
+		break;
+	case 15: 
+		msg = "Lack of LCP echo responses"; 
+		break;
+	case 16: 
+		msg = "A modem hung up the phone"; 
+		break;
+	case 17: 
+		msg = "Loopback detected"; 
+		break;
+	case 18: 
+		msg = "The init script failed"; 
+		break;
+	case 19: 
+		msg = "Authentication error.\n"
+			"We failed to authenticate ourselves to the peer.\n"
+			"Maybe bad account or password?";
+		break;
+	default:
+		msg = "Unknown error";
+	}
+
+	_LOGW ("pppd pid %d exited with error: %s", pid, msg);
+}
+
+static void
+ppp_watch_cb (GPid pid, gint status, gpointer user_data)
+{
+	NMPPPManager *manager = NM_PPP_MANAGER (user_data);
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+	guint err;
+
+	g_assert (pid == priv->pid);
+
+	if (WIFEXITED (status)) {
+		err = WEXITSTATUS (status);
+		if (err != 0)
+			ppp_exit_code (err, priv->pid);
+	} else if (WIFSTOPPED (status)) {
+		_LOGI ("pppd pid %d stopped unexpectedly with signal %d", priv->pid, WSTOPSIG (status));
+	} else if (WIFSIGNALED (status)) {
+		_LOGI ("pppd pid %d died with signal %d", priv->pid, WTERMSIG (status));
+	} else
+		_LOGI ("pppd pid %d died from an unknown cause", priv->pid);
+
+	_LOGD ("pppd pid %d cleaned up", priv->pid);
+	priv->pid = 0;
+	priv->ppp_watch_id = 0;
+	g_signal_emit (manager, signals[STATE_CHANGED], 0, NM_PPP_STATUS_DEAD);
+}
+
+static gboolean
+pppd_timed_out (gpointer data)
+{
+	NMPPPManager *manager = NM_PPP_MANAGER (data);
+
+	_LOGW ("pppd timed out or didn't initialize our dbus module");
+	_ppp_cleanup (manager);
+	_ppp_kill (manager);
+
+	g_signal_emit (manager, signals[STATE_CHANGED], 0, NM_PPP_STATUS_DEAD);
+
+	return FALSE;
+}
+
+static NMCmdLine *
+create_pppd_cmd_line (NMPPPManager *self,
+                      NMSettingPpp *setting,
+                      NMSettingPppoe *pppoe,
+                      NMSettingAdsl  *adsl,
+                      const char *ppp_name,
+                      guint baud_override,
+                      GError **err)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (self);
+	const char *pppd_binary = NULL;
+	NMCmdLine *cmd;
+	gboolean ppp_debug;
+
+	g_return_val_if_fail (setting != NULL, NULL);
+
+	pppd_binary = nm_utils_find_helper ("pppd", NULL, err);
+	if (!pppd_binary)
+		return NULL;
+
+	/* Create pppd command line */
+	cmd = nm_cmd_line_new ();
+	nm_cmd_line_add_string (cmd, pppd_binary);
+
+	nm_cmd_line_add_string (cmd, "nodetach");
+	nm_cmd_line_add_string (cmd, "lock");
+
+	/* NM handles setting the default route */
+	nm_cmd_line_add_string (cmd, "nodefaultroute");
+
+	/* Allow IPv6 to be configured by IPV6CP */
+	nm_cmd_line_add_string (cmd, "ipv6");
+	nm_cmd_line_add_string (cmd, ",");
+
+	ppp_debug = !!getenv ("NM_PPP_DEBUG");
+	if (nm_logging_enabled (LOGL_DEBUG, LOGD_PPP))
+		ppp_debug = TRUE;
+
+	if (ppp_debug)
+		nm_cmd_line_add_string (cmd, "debug");
+
+	if (ppp_name) {
+		nm_cmd_line_add_string (cmd, "user");
+		nm_cmd_line_add_string (cmd, ppp_name);
+	}
+
+	if (pppoe) {
+		char *dev_str;
+		const char *pppoe_service;
+
+		nm_cmd_line_add_string (cmd, "plugin");
+		nm_cmd_line_add_string (cmd, "rp-pppoe.so");
+
+		dev_str = g_strdup_printf ("nic-%s", priv->parent_iface);
+		nm_cmd_line_add_string (cmd, dev_str);
+		g_free (dev_str);
+
+		pppoe_service = nm_setting_pppoe_get_service (pppoe);
+		if (pppoe_service) {
+			nm_cmd_line_add_string (cmd, "rp_pppoe_service");
+			nm_cmd_line_add_string (cmd, pppoe_service);
+		}
+	} else if (adsl) {
+		const gchar *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);
+			gchar *vpivci;
+
+			nm_cmd_line_add_string (cmd, "plugin");
+			nm_cmd_line_add_string (cmd, "pppoatm.so");
+
+			vpivci = g_strdup_printf("%d.%d", vpi, vci);
+			nm_cmd_line_add_string (cmd, vpivci);
+			g_free (vpivci);
+
+			if (g_strcmp0 (encaps, NM_SETTING_ADSL_ENCAPSULATION_LLC) == 0)
+				nm_cmd_line_add_string (cmd, "llc-encaps");
+			else /*if (g_strcmp0 (encaps, NM_SETTING_ADSL_ENCAPSULATION_VCMUX) == 0)*/
+				nm_cmd_line_add_string (cmd, "vc-encaps");
+
+		} else if (!strcmp (protocol, NM_SETTING_ADSL_PROTOCOL_PPPOE)) {
+			nm_cmd_line_add_string (cmd, "plugin");
+			nm_cmd_line_add_string (cmd, "rp-pppoe.so");
+			nm_cmd_line_add_string (cmd, priv->parent_iface);
+		}
+
+		nm_cmd_line_add_string (cmd, "noipdefault");
+	} else {
+		nm_cmd_line_add_string (cmd, priv->parent_iface);
+		/* Don't send some random address as the local address */
+		nm_cmd_line_add_string (cmd, "noipdefault");
+	}
+
+	if (nm_setting_ppp_get_baud (setting))
+		nm_cmd_line_add_int (cmd, nm_setting_ppp_get_baud (setting));
+	else if (baud_override)
+		nm_cmd_line_add_int (cmd, (int) 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_cmd_line_add_string (cmd, "noauth");
+
+	if (nm_setting_ppp_get_refuse_eap (setting))
+		nm_cmd_line_add_string (cmd, "refuse-eap");
+	if (nm_setting_ppp_get_refuse_pap (setting))
+		nm_cmd_line_add_string (cmd, "refuse-pap");
+	if (nm_setting_ppp_get_refuse_chap (setting))
+		nm_cmd_line_add_string (cmd, "refuse-chap");
+	if (nm_setting_ppp_get_refuse_mschap (setting))
+		nm_cmd_line_add_string (cmd, "refuse-mschap");
+	if (nm_setting_ppp_get_refuse_mschapv2 (setting))
+		nm_cmd_line_add_string (cmd, "refuse-mschap-v2");
+	if (nm_setting_ppp_get_nobsdcomp (setting))
+		nm_cmd_line_add_string (cmd, "nobsdcomp");
+	if (nm_setting_ppp_get_no_vj_comp (setting))
+		nm_cmd_line_add_string (cmd, "novj");
+	if (nm_setting_ppp_get_nodeflate (setting))
+		nm_cmd_line_add_string (cmd, "nodeflate");
+	if (nm_setting_ppp_get_require_mppe (setting))
+		nm_cmd_line_add_string (cmd, "require-mppe");
+	if (nm_setting_ppp_get_require_mppe_128 (setting))
+		nm_cmd_line_add_string (cmd, "require-mppe-128");
+	if (nm_setting_ppp_get_mppe_stateful (setting))
+		nm_cmd_line_add_string (cmd, "mppe-stateful");
+	if (nm_setting_ppp_get_crtscts (setting))
+		nm_cmd_line_add_string (cmd, "crtscts");
+
+	/* Always ask for DNS, we don't have to use them if the connection
+	 * overrides the returned servers.
+	 */
+	nm_cmd_line_add_string (cmd, "usepeerdns");
+
+	if (nm_setting_ppp_get_mru (setting)) {
+		nm_cmd_line_add_string (cmd, "mru");
+		nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mru (setting));
+	}
+
+	if (nm_setting_ppp_get_mtu (setting)) {
+		nm_cmd_line_add_string (cmd, "mtu");
+		nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mtu (setting));
+	}
+
+	nm_cmd_line_add_string (cmd, "lcp-echo-failure");
+	nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_failure (setting));
+
+	nm_cmd_line_add_string (cmd, "lcp-echo-interval");
+	nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_interval (setting));
+
+	/* Avoid pppd to exit if no traffic going through */
+	nm_cmd_line_add_string (cmd, "idle");
+	nm_cmd_line_add_int (cmd, 0);
+
+	nm_cmd_line_add_string (cmd, "ipparam");
+	nm_cmd_line_add_string (cmd, nm_exported_object_get_path (NM_EXPORTED_OBJECT (self)));
+
+	nm_cmd_line_add_string (cmd, "plugin");
+	nm_cmd_line_add_string (cmd, NM_PPPD_PLUGIN);
+
+	return 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
+}
+
+gboolean
+nm_ppp_manager_start (NMPPPManager *manager,
+                      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;
+	NMCmdLine *ppp_cmd;
+	char *cmd_str;
+	struct stat st;
+
+	g_return_val_if_fail (NM_IS_PPP_MANAGER (manager), FALSE);
+	g_return_val_if_fail (NM_IS_ACT_REQUEST (req), FALSE);
+
+	priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+
+#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
+
+	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);
+
+	ppp_cmd = create_pppd_cmd_line (manager, s_ppp, pppoe_setting, adsl_setting, ppp_name, baud_override, err);
+	if (!ppp_cmd)
+		goto out;
+
+	g_ptr_array_add (ppp_cmd->array, NULL);
+
+	_LOGI ("starting PPP connection");
+
+	cmd_str = nm_cmd_line_to_str (ppp_cmd);
+	_LOGD ("command line: %s", cmd_str);
+	g_free (cmd_str);
+
+	priv->pid = 0;
+	if (!g_spawn_async (NULL, (char **) ppp_cmd->array->pdata, NULL,
+	                    G_SPAWN_DO_NOT_REAP_CHILD,
+	                    nm_utils_setpgid, NULL,
+	                    &priv->pid, err)) {
+		goto out;
+	}
+
+	_LOGI ("pppd started with pid %d", priv->pid);
+
+	priv->ppp_watch_id = g_child_watch_add (priv->pid, (GChildWatchFunc) ppp_watch_cb, manager);
+	priv->ppp_timeout_handler = g_timeout_add_seconds (timeout_secs, pppd_timed_out, manager);
+	priv->act_req = g_object_ref (req);
+
+out:
+	if (ppp_cmd)
+		nm_cmd_line_destroy (ppp_cmd);
+
+	return priv->pid > 0;
+}
+
+static void
+_ppp_kill (NMPPPManager *manager)
+{
+	NMPPPManagerPrivate *priv;
+
+	g_return_if_fail (NM_IS_PPP_MANAGER (manager));
+
+	priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+
+	if (priv->pid) {
+		nm_utils_kill_child_async (priv->pid, SIGTERM, LOGD_PPP, "pppd", 2000, NULL, NULL);
+		priv->pid = 0;
+	}
+}
+
+static void
+_ppp_cleanup (NMPPPManager *manager)
+{
+	NMPPPManagerPrivate *priv;
+
+	g_return_if_fail (NM_IS_PPP_MANAGER (manager));
+
+	priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+
+	cancel_get_secrets (manager);
+
+	nm_clear_g_source (&priv->monitor_id);
+
+	if (priv->monitor_fd >= 0) {
+		/* Get the stats one last time */
+		monitor_cb (manager);
+		close (priv->monitor_fd);
+		priv->monitor_fd = -1;
+	}
+
+	nm_clear_g_source (&priv->ppp_timeout_handler);
+	nm_clear_g_source (&priv->ppp_watch_id);
+}
+
+/*****************************************************************************/
+
+typedef struct {
+	NMPPPManager *manager;
+	GSimpleAsyncResult *result;
+	GCancellable *cancellable;
+} StopContext;
+
+static void
+stop_context_complete (StopContext *ctx)
+{
+	if (ctx->cancellable)
+		g_object_unref (ctx->cancellable);
+	g_simple_async_result_complete_in_idle (ctx->result);
+	g_object_unref (ctx->result);
+	g_object_unref (ctx->manager);
+	g_slice_free (StopContext, ctx);
+}
+
+static gboolean
+stop_context_complete_if_cancelled (StopContext *ctx)
+{
+	GError *error = NULL;
+
+	if (g_cancellable_set_error_if_cancelled (ctx->cancellable, &error)) {
+		g_simple_async_result_take_error (ctx->result, error);
+		stop_context_complete (ctx);
+		return TRUE;
+	}
+	return FALSE;
+}
+
+gboolean
+nm_ppp_manager_stop_finish (NMPPPManager *manager,
+                            GAsyncResult *res,
+                            GError **error)
+{
+	return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
+}
+
+static void
+kill_child_ready  (pid_t pid,
+                   gboolean success,
+                   int child_status,
+                   StopContext *ctx)
+{
+	if (stop_context_complete_if_cancelled (ctx))
+		return;
+	stop_context_complete (ctx);
+}
+
+void
+nm_ppp_manager_stop (NMPPPManager *manager,
+                     GCancellable *cancellable,
+                     GAsyncReadyCallback callback,
+                     gpointer user_data)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
+	StopContext *ctx;
+
+	ctx = g_slice_new0 (StopContext);
+	ctx->manager = g_object_ref (manager);
+	ctx->result = g_simple_async_result_new (G_OBJECT (manager),
+	                                         callback,
+	                                         user_data,
+	                                         nm_ppp_manager_stop);
+
+	/* Setup cancellable */
+	ctx->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
+	if (stop_context_complete_if_cancelled (ctx))
+		return;
+
+	/* Cleanup internals */
+	_ppp_cleanup (manager);
+
+	/* If no pppd running, we're done */
+	if (!priv->pid) {
+		stop_context_complete (ctx);
+		return;
+	}
+
+	/* No cancellable operation, so just wait until it returns always */
+	nm_utils_kill_child_async (priv->pid,
+	                           SIGTERM,
+	                           LOGD_PPP,
+	                           "pppd",
+	                           2000,
+	                           (NMUtilsKillChildAsyncCb) kill_child_ready,
+	                           ctx);
+	priv->pid = 0;
+}
+
+/*****************************************************************************/
+
+static void
+get_property (GObject *object, guint prop_id,
+              GValue *value, GParamSpec *pspec)
+{
+	NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE ((NMPPPManager *) 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 ((NMPPPManager *) object);
+
+	switch (prop_id) {
+	case PROP_PARENT_IFACE:
+		g_free (priv->parent_iface);
+		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 *manager)
+{
+	NM_PPP_MANAGER_GET_PRIVATE (manager)->monitor_fd = -1;
+}
+
+NMPPPManager *
+nm_ppp_manager_new (const char *iface)
+{
+	g_return_val_if_fail (iface != NULL, NULL);
+
+	return (NMPPPManager *) 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);
+
+	_ppp_cleanup (self);
+	_ppp_kill (self);
+
+	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 ((NMPPPManager *) object);
+
+	g_free (priv->ip_iface);
+	g_free (priv->parent_iface);
+
+	G_OBJECT_CLASS (nm_ppp_manager_parent_class)->finalize (object);
+}
+
+static void
+nm_ppp_manager_class_init (NMPPPManagerClass *manager_class)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (manager_class);
+	NMExportedObjectClass *exported_object_class = NM_EXPORTED_OBJECT_CLASS (manager_class);
+
+	object_class->dispose = dispose;
+	object_class->finalize = finalize;
+	object_class->get_property = get_property;
+	object_class->set_property = set_property;
+
+	exported_object_class->export_path = NM_DBUS_PATH "/PPP/%u";
+	exported_object_class->export_on_construction = TRUE;
+
+	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_STATE_CHANGED,
+	                  G_OBJECT_CLASS_TYPE (object_class),
+	                  G_SIGNAL_RUN_FIRST,
+	                  0,
+	                  NULL, NULL, NULL,
+	                  G_TYPE_NONE, 1,
+	                  G_TYPE_UINT);
+
+	signals[IP4_CONFIG] =
+	    g_signal_new ("ip4-config",
+	                  G_OBJECT_CLASS_TYPE (object_class),
+	                  G_SIGNAL_RUN_FIRST,
+	                  0,
+	                  NULL, NULL, NULL,
+	                  G_TYPE_NONE, 2,
+	                  G_TYPE_STRING,
+	                  G_TYPE_OBJECT);
+
+	signals[IP6_CONFIG] =
+	    g_signal_new ("ip6-config",
+	                  G_OBJECT_CLASS_TYPE (object_class),
+	                  G_SIGNAL_RUN_FIRST,
+	                  0,
+	                  NULL, NULL, NULL,
+	                  G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_OBJECT);
+
+	signals[STATS] =
+	    g_signal_new ("stats",
+	                  G_OBJECT_CLASS_TYPE (object_class),
+	                  G_SIGNAL_RUN_FIRST,
+	                  0,
+	                  NULL, NULL, NULL,
+	                  G_TYPE_NONE, 2,
+	                  G_TYPE_UINT, G_TYPE_UINT);
+
+	nm_exported_object_class_add_interface (NM_EXPORTED_OBJECT_CLASS (manager_class),
+	                                        NMDBUS_TYPE_PPP_MANAGER_SKELETON,
+	                                        "NeedSecrets", impl_ppp_manager_need_secrets,
+	                                        "SetIp4Config", impl_ppp_manager_set_ip4_config,
+	                                        "SetIp6Config", impl_ppp_manager_set_ip6_config,
+	                                        "SetState", impl_ppp_manager_set_state,
+	                                        NULL);
+}
+
diff --git a/src/ppp/nm-ppp-manager.h b/src/ppp/nm-ppp-manager.h
new file mode 100644
index 0000000000..12748176a3
--- /dev/null
+++ b/src/ppp/nm-ppp-manager.h
@@ -0,0 +1,58 @@
+/* -*- 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) 2008 Novell, Inc.
+ * Copyright (C) 2008 - 2010 Red Hat, Inc.
+ */
+
+#ifndef __NETWORKMANAGER_PPP_MANAGER_H__
+#define __NETWORKMANAGER_PPP_MANAGER_H__
+
+#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))
+
+#define NM_PPP_MANAGER_PARENT_IFACE "parent-iface"
+
+#define NM_PPP_MANAGER_STATE_CHANGED "state-changed"
+
+typedef struct _NMPPPManager NMPPPManager;
+typedef struct _NMPPPManagerClass NMPPPManagerClass;
+
+GType nm_ppp_manager_get_type (void);
+
+NMPPPManager *nm_ppp_manager_new (const char *iface);
+
+gboolean nm_ppp_manager_start (NMPPPManager *manager,
+                               NMActRequest *req,
+                               const char *ppp_name,
+                               guint32 timeout_secs,
+                               guint baud_override,
+                               GError **err);
+
+void     nm_ppp_manager_stop        (NMPPPManager *manager,
+                                     GCancellable *cancellable,
+                                     GAsyncReadyCallback callback,
+                                     gpointer user_data);
+gboolean nm_ppp_manager_stop_finish (NMPPPManager *manager,
+                                     GAsyncResult *res,
+                                     GError **error);
+
+#endif /* __NETWORKMANAGER_PPP_MANAGER_H__ */
diff --git a/src/ppp/nm-ppp-status.h b/src/ppp/nm-ppp-status.h
new file mode 100644
index 0000000000..391b5aa986
--- /dev/null
+++ b/src/ppp/nm-ppp-status.h
@@ -0,0 +1,43 @@
+/* -*- 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) 2008 Novell, Inc.
+ * Copyright (C) 2008 Red Hat, Inc.
+ */
+
+#ifndef __NETWORKMANAGER_PPP_STATUS_H__
+#define __NETWORKMANAGER_PPP_STATUS_H__
+
+typedef enum {
+	NM_PPP_STATUS_UNKNOWN,
+
+	NM_PPP_STATUS_DEAD,
+	NM_PPP_STATUS_INITIALIZE,
+	NM_PPP_STATUS_SERIALCONN,
+	NM_PPP_STATUS_DORMANT,
+	NM_PPP_STATUS_ESTABLISH,
+	NM_PPP_STATUS_AUTHENTICATE,
+	NM_PPP_STATUS_CALLBACK,
+	NM_PPP_STATUS_NETWORK,
+	NM_PPP_STATUS_RUNNING,
+	NM_PPP_STATUS_TERMINATE,
+	NM_PPP_STATUS_DISCONNECT,
+	NM_PPP_STATUS_HOLDOFF,
+	NM_PPP_STATUS_MASTER
+} NMPPPStatus;
+
+#endif /* __NETWORKMANAGER_PPP_STATUS_H__ */
diff --git a/src/ppp/nm-pppd-plugin.c b/src/ppp/nm-pppd-plugin.c
new file mode 100644
index 0000000000..9c47c339a3
--- /dev/null
+++ b/src/ppp/nm-pppd-plugin.c
@@ -0,0 +1,417 @@
+/* -*- 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) 2008 Novell, Inc.
+ * Copyright (C) 2008 Red Hat, Inc.
+ */
+
+#include <config.h>
+#define ___CONFIG_H__
+
+#include <string.h>
+#include <pppd/pppd.h>
+#include <pppd/fsm.h>
+#include <pppd/ipcp.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <dlfcn.h>
+
+#define INET6
+#include <pppd/eui64.h>
+#include <pppd/ipv6cp.h>
+
+#include "nm-default.h"
+#include "nm-dbus-interface.h"
+#include "nm-pppd-plugin.h"
+#include "nm-ppp-status.h"
+
+int plugin_init (void);
+
+char pppd_version[] = VERSION;
+
+static GDBusProxy *proxy = NULL;
+
+static void
+nm_phasechange (void *data, int arg)
+{
+	NMPPPStatus ppp_status = NM_PPP_STATUS_UNKNOWN;
+	char *ppp_phase;
+
+	g_return_if_fail (G_IS_DBUS_PROXY (proxy));
+
+	switch (arg) {
+	case PHASE_DEAD:
+		ppp_status = NM_PPP_STATUS_DEAD;
+		ppp_phase = "dead";
+		break;
+	case PHASE_INITIALIZE:
+		ppp_status = NM_PPP_STATUS_INITIALIZE;
+		ppp_phase = "initialize";
+		break;
+	case PHASE_SERIALCONN:
+		ppp_status = NM_PPP_STATUS_SERIALCONN;
+		ppp_phase = "serial connection";
+		break;
+	case PHASE_DORMANT:
+		ppp_status = NM_PPP_STATUS_DORMANT;
+		ppp_phase = "dormant";
+		break;
+	case PHASE_ESTABLISH:
+		ppp_status = NM_PPP_STATUS_ESTABLISH;
+		ppp_phase = "establish";
+		break;
+	case PHASE_AUTHENTICATE:
+		ppp_status = NM_PPP_STATUS_AUTHENTICATE;
+		ppp_phase = "authenticate";
+		break;
+	case PHASE_CALLBACK:
+		ppp_status = NM_PPP_STATUS_CALLBACK;
+		ppp_phase = "callback";
+		break;
+	case PHASE_NETWORK:
+		ppp_status = NM_PPP_STATUS_NETWORK;
+		ppp_phase = "network";
+		break;
+	case PHASE_RUNNING:
+		ppp_status = NM_PPP_STATUS_RUNNING;
+		ppp_phase = "running";
+		break;
+	case PHASE_TERMINATE:
+		ppp_status = NM_PPP_STATUS_TERMINATE;
+		ppp_phase = "terminate";
+		break;
+	case PHASE_DISCONNECT:
+		ppp_status = NM_PPP_STATUS_DISCONNECT;
+		ppp_phase = "disconnect";
+		break;
+	case PHASE_HOLDOFF:
+		ppp_status = NM_PPP_STATUS_HOLDOFF;
+		ppp_phase = "holdoff";
+		break;
+	case PHASE_MASTER:
+		ppp_status = NM_PPP_STATUS_MASTER;
+		ppp_phase = "master";
+		break;
+
+	default:
+		ppp_phase = "unknown";
+		break;
+	}
+
+	g_message ("nm-ppp-plugin: (%s): status %d / phase '%s'",
+	           __func__,
+	           ppp_status,
+	           ppp_phase);
+
+	if (ppp_status != NM_PPP_STATUS_UNKNOWN) {
+		g_dbus_proxy_call (proxy,
+		                   "SetState",
+		                   g_variant_new ("(u)", ppp_status),
+		                   G_DBUS_CALL_FLAGS_NONE, -1,
+		                   NULL,
+		                   NULL, NULL);
+	}
+}
+
+static void
+nm_ip_up (void *data, int arg)
+{
+	ipcp_options opts = ipcp_gotoptions[0];
+	ipcp_options peer_opts = ipcp_hisoptions[0];
+	GVariantBuilder builder;
+	guint32 pppd_made_up_address = htonl (0x0a404040 + ifunit);
+
+	g_return_if_fail (G_IS_DBUS_PROXY (proxy));
+
+	g_message ("nm-ppp-plugin: (%s): ip-up event", __func__);
+
+	if (!opts.ouraddr) {
+		g_warning ("nm-ppp-plugin: (%s): didn't receive an internal IP from pppd!", __func__);
+		nm_phasechange (NULL, PHASE_DEAD);
+		return;
+	}
+
+	g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
+
+	g_variant_builder_add (&builder, "{sv}",
+	                       NM_PPP_IP4_CONFIG_INTERFACE,
+	                       g_variant_new_string (ifname));
+
+	g_variant_builder_add (&builder, "{sv}",
+	                       NM_PPP_IP4_CONFIG_ADDRESS,
+	                       g_variant_new_uint32 (opts.ouraddr));
+
+	/* Prefer the peer options remote address first, _unless_ pppd made the
+	 * address up, at which point prefer the local options remote address,
+	 * and if that's not right, use the made-up address as a last resort.
+	 */
+	if (peer_opts.hisaddr && (peer_opts.hisaddr != pppd_made_up_address)) {
+		g_variant_builder_add (&builder, "{sv}",
+		                       NM_PPP_IP4_CONFIG_GATEWAY,
+		                       g_variant_new_uint32 (peer_opts.hisaddr));
+	} else if (opts.hisaddr) {
+		g_variant_builder_add (&builder, "{sv}",
+		                       NM_PPP_IP4_CONFIG_GATEWAY,
+		                       g_variant_new_uint32 (opts.hisaddr));
+	} else if (peer_opts.hisaddr == pppd_made_up_address) {
+		/* As a last resort, use the made-up address */
+		g_variant_builder_add (&builder, "{sv}",
+		                       NM_PPP_IP4_CONFIG_GATEWAY,
+		                       g_variant_new_uint32 (peer_opts.ouraddr));
+	}
+
+	g_variant_builder_add (&builder, "{sv}",
+	                       NM_PPP_IP4_CONFIG_PREFIX,
+	                       g_variant_new_uint32 (32));
+
+	if (opts.dnsaddr[0] || opts.dnsaddr[1]) {
+		guint32 dns[2];
+		int len = 0;
+
+		if (opts.dnsaddr[0])
+			dns[len++] = opts.dnsaddr[0];
+		if (opts.dnsaddr[1])
+			dns[len++] = opts.dnsaddr[1];
+
+		g_variant_builder_add (&builder, "{sv}",
+		                       NM_PPP_IP4_CONFIG_DNS,
+		                       g_variant_new_fixed_array (G_VARIANT_TYPE_UINT32,
+		                                                  dns, len, sizeof (guint32)));
+	}
+
+	if (opts.winsaddr[0] || opts.winsaddr[1]) {
+		guint32 wins[2];
+		int len = 0;
+
+		if (opts.winsaddr[0])
+			wins[len++] = opts.winsaddr[0];
+		if (opts.winsaddr[1])
+			wins[len++] = opts.winsaddr[1];
+
+		g_variant_builder_add (&builder, "{sv}",
+		                       NM_PPP_IP4_CONFIG_WINS,
+		                       g_variant_new_fixed_array (G_VARIANT_TYPE_UINT32,
+		                                                  wins, len, sizeof (guint32)));
+	}
+
+	g_message ("nm-ppp-plugin: (%s): sending IPv4 config to NetworkManager...", __func__);
+
+	g_dbus_proxy_call (proxy,
+	                   "SetIp4Config",
+	                   g_variant_new ("(a{sv})", &builder),
+	                   G_DBUS_CALL_FLAGS_NONE, -1,
+	                   NULL,
+	                   NULL, NULL);
+}
+
+static GVariant *
+eui64_to_variant (eui64_t eui)
+{
+	guint64 iid;
+
+	G_STATIC_ASSERT (sizeof (iid) == sizeof (eui));
+
+	memcpy (&iid, &eui, sizeof (eui));
+	return g_variant_new_uint64 (iid);
+}
+
+static void
+nm_ip6_up (void *data, int arg)
+{
+	ipv6cp_options *ho = &ipv6cp_hisoptions[0];
+	ipv6cp_options *go = &ipv6cp_gotoptions[0];
+	GVariantBuilder builder;
+
+	g_return_if_fail (G_IS_DBUS_PROXY (proxy));
+
+	g_message ("nm-ppp-plugin: (%s): ip6-up event", __func__);
+
+	g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
+	g_variant_builder_add (&builder, "{sv}",
+	                       NM_PPP_IP6_CONFIG_INTERFACE,
+	                       g_variant_new_string (ifname));
+	g_variant_builder_add (&builder, "{sv}",
+	                       NM_PPP_IP6_CONFIG_OUR_IID,
+	                       eui64_to_variant (go->ourid));
+	g_variant_builder_add (&builder, "{sv}",
+	                       NM_PPP_IP6_CONFIG_PEER_IID,
+	                       eui64_to_variant (ho->hisid));
+
+	/* DNS is done via DHCPv6 or router advertisements */
+
+	g_message ("nm-ppp-plugin: (%s): sending IPv6 config to NetworkManager...", __func__);
+
+	g_dbus_proxy_call (proxy,
+	                   "SetIp6Config",
+	                   g_variant_new ("(a{sv})", &builder),
+	                   G_DBUS_CALL_FLAGS_NONE, -1,
+	                   NULL,
+	                   NULL, NULL);
+}
+
+static int
+get_chap_check (void)
+{
+	return 1;
+}
+
+static int
+get_pap_check (void)
+{
+	return 1;
+}
+
+static int
+get_credentials (char *username, char *password)
+{
+	const char *my_username = NULL;
+	const char *my_password = NULL;
+	size_t len;
+	GVariant *ret;
+	GError *err = NULL;
+
+	if (!password) {
+		/* pppd is checking pap support; return 1 for supported */
+		g_return_val_if_fail (username, -1);
+		return 1;
+	}
+
+	g_return_val_if_fail (username, -1);
+	g_return_val_if_fail (G_IS_DBUS_PROXY (proxy), -1);
+
+	g_message ("nm-ppp-plugin: (%s): passwd-hook, requesting credentials...", __func__);
+
+	ret = g_dbus_proxy_call_sync (proxy,
+	                              "NeedSecrets",
+	                              NULL,
+	                              G_DBUS_CALL_FLAGS_NONE, -1,
+	                              NULL, &err);
+	if (!ret) {
+		g_warning ("nm-ppp-plugin: (%s): could not get secrets: %s",
+		           __func__,
+		           err->message);
+		g_error_free (err);
+		return -1;
+	}
+
+	g_message ("nm-ppp-plugin: (%s): got credentials from NetworkManager", __func__);
+
+	g_variant_get (ret, "(&s&s)", &my_username, &my_password);
+
+	if (my_username) {
+		len = strlen (my_username) + 1;
+		len = len < MAXNAMELEN ? len : MAXNAMELEN;
+
+		strncpy (username, my_username, len);
+		username[len - 1] = '\0';
+	}
+
+	if (my_password) {
+		len = strlen (my_password) + 1;
+		len = len < MAXSECRETLEN ? len : MAXSECRETLEN;
+
+		strncpy (password, my_password, len);
+		password[len - 1] = '\0';
+	}
+
+	g_variant_unref (ret);
+
+	return 1;
+}
+
+static void
+nm_exit_notify (void *data, int arg)
+{
+	g_return_if_fail (G_IS_DBUS_PROXY (proxy));
+
+	g_message ("nm-ppp-plugin: (%s): cleaning up", __func__);
+
+	g_object_unref (proxy);
+	proxy = NULL;
+}
+
+static void
+add_ip6_notifier (void)
+{
+	static struct notifier **notifier = NULL;
+	static gsize load_once = 0;
+
+	if (g_once_init_enter (&load_once)) {
+		void *handle = dlopen(NULL, RTLD_NOW | RTLD_GLOBAL);
+
+		if (handle) {
+			notifier = dlsym (handle, "ipv6_up_notifier");
+			dlclose (handle);
+		}
+		g_once_init_leave (&load_once, 1);
+	}
+	if (notifier)
+		add_notifier (notifier, nm_ip6_up, NULL);
+	else
+		g_message ("nm-ppp-plugin: no IPV6CP notifier support; IPv6 not available");
+}
+
+int
+plugin_init (void)
+{
+	GDBusConnection *bus;
+	GError *err = NULL;
+
+	nm_g_type_init ();
+
+	g_message ("nm-ppp-plugin: (%s): initializing", __func__);
+
+	bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &err);
+	if (!bus) {
+		g_warning ("nm-pppd-plugin: (%s): couldn't connect to system bus: %s",
+		           __func__, err->message);
+		g_error_free (err);
+		return -1;
+	}
+
+	/* NM passes in the object path of the corresponding PPPManager
+	 * object as the 'ipparam' argument to pppd.
+	 */
+	proxy = g_dbus_proxy_new_sync (bus,
+	                               G_DBUS_PROXY_FLAGS_NONE,
+	                               NULL,
+	                               NM_DBUS_SERVICE,
+	                               ipparam,
+	                               NM_DBUS_INTERFACE_PPP,
+	                               NULL, &err);
+	g_object_unref (bus);
+
+	if (!proxy) {
+		g_warning ("nm-pppd-plugin: (%s): couldn't create D-Bus proxy: %s",
+		           __func__, err->message);
+		g_error_free (err);
+		return -1;
+	}
+
+	chap_passwd_hook = get_credentials;
+	chap_check_hook = get_chap_check;
+	pap_passwd_hook = get_credentials;
+	pap_check_hook = get_pap_check;
+
+	add_notifier (&phasechange, nm_phasechange, NULL);
+	add_notifier (&ip_up_notifier, nm_ip_up, NULL);
+	add_notifier (&exitnotify, nm_exit_notify, proxy);
+	add_ip6_notifier ();
+
+	return 0;
+}
diff --git a/src/ppp/nm-pppd-plugin.h b/src/ppp/nm-pppd-plugin.h
new file mode 100644
index 0000000000..1a2ea09e94
--- /dev/null
+++ b/src/ppp/nm-pppd-plugin.h
@@ -0,0 +1,34 @@
+/* -*- 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) 2008 Novell, Inc.
+ * Copyright (C) 2008 - 2014 Red Hat, Inc.
+ */
+
+#define NM_DBUS_INTERFACE_PPP  "org.freedesktop.NetworkManager.PPP"
+
+#define NM_PPP_IP4_CONFIG_INTERFACE "interface"
+#define NM_PPP_IP4_CONFIG_ADDRESS   "address"
+#define NM_PPP_IP4_CONFIG_PREFIX    "prefix"
+#define NM_PPP_IP4_CONFIG_GATEWAY   "gateway"
+#define NM_PPP_IP4_CONFIG_DNS       "dns"
+#define NM_PPP_IP4_CONFIG_WINS      "wins"
+
+#define NM_PPP_IP6_CONFIG_INTERFACE "interface"
+#define NM_PPP_IP6_CONFIG_OUR_IID   "our-iid"
+#define NM_PPP_IP6_CONFIG_PEER_IID  "peer-iid"
+