From: Daniel Wagner <daniel.wag...@bmw-carit.de>
---
Makefile.plugins | 32 +++++-
bootstrap-configure | 1 +
configure.ac | 17 +++
plugins/openvpn.c | 294 ++++++++++++++++++++++++++++++++++++++++++++++
scripts/openvpn-script.c | 123 +++++++++++++++++++
5 files changed, 466 insertions(+), 1 deletions(-)
create mode 100644 plugins/openvpn.c
create mode 100644 scripts/openvpn-script.c
diff --git a/Makefile.plugins b/Makefile.plugins
index f4b4630..3f26be3 100644
--- a/Makefile.plugins
+++ b/Makefile.plugins
@@ -106,10 +106,19 @@ plugins_dhclient_la_LDFLAGS = $(plugin_ldflags)
endif
endif
+
+if OPENCONNECT
+builtin_sources += plugins/vpn.c plugins/vpn.h
+else
+if OPENVPN
+builtin_sources += plugins/vpn.c plugins/vpn.h
+endif
+endif
+
if OPENCONNECT
if OPENCONNECT_BUILTIN
builtin_modules += openconnect
-builtin_sources += plugins/vpn.c plugins/openconnect.c plugins/vpn.h
+builtin_sources += plugins/openconnect.c
builtin_cflags += -DOPENCONNECT=\"@openconn...@\"
else
plugin_LTLIBRARIES += plugins/openconnect.la
@@ -123,6 +132,21 @@ plugins_openconnect_la_LDFLAGS = $(plugin_ldflags)
endif
endif
+if OPENVPN
+if OPENVPN_BUILTIN
+builtin_modules += openvpn
+builtin_sources += plugins/openvpn.c
+builtin_cflags += -DOPENVPN=\"@open...@\"
+else
+plugin_LTLIBRARIES += plugins/openvpn.la
+plugin_objects += $(plugins_openvpn_la_OBJECTS)
+plugins_openvpn_la_CFLAGS = $(plugin_cflags) -DOPENVPN=\"@open...@\" \
+ -DSTATEDIR=\""$(statedir)"\" \
+ -DSCRIPTDIR=\""$(build_scriptdir)"\"
+plugins_openvpn_la_LDFLAGS = $(plugin_ldflags)
+endif
+endif
+
if PORTAL
if PORTAL_BUILTIN
builtin_modules += portal
@@ -231,6 +255,12 @@ script_PROGRAMS += scripts/openconnect-script
scripts_openconnect_script_LDADD = @DBUS_LIBS@
endif
+if OPENCONNECT
+script_PROGRAMS += scripts/openvpn-script
+
+scripts_openvpn_script_LDADD = @DBUS_LIBS@
+endif
+
if DHCLIENT
script_DATA += scripts/dhclient.conf
script_PROGRAMS += scripts/dhclient-script
diff --git a/bootstrap-configure b/bootstrap-configure
index bda9708..3bce947 100755
--- a/bootstrap-configure
+++ b/bootstrap-configure
@@ -23,6 +23,7 @@ fi
--enable-ofono=builtin \
--enable-dhclient=builtin \
--enable-openconnect=builtin \
+ --enable-openvpn=builtin \
--enable-pacrunner=builtin \
--enable-dnsproxy=builtin \
--enable-google=builtin \
diff --git a/configure.ac b/configure.ac
index f36a766..ddb37aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -135,6 +135,23 @@ AC_ARG_ENABLE(portal,
AM_CONDITIONAL(PORTAL, test "${enable_portal}" != "no")
AM_CONDITIONAL(PORTAL_BUILTIN, test "${enable_portal}" = "builtin")
+AC_ARG_WITH(openvpn, AC_HELP_STRING([--with-openvpn=PROGRAM],
+ [specify location of openvpn binary]), [path_openvpn=${withval}])
+
+AC_ARG_ENABLE(openvpn,
+ AC_HELP_STRING([--enable-openvpn], [enable openvpn support]),
+ [enable_openvpn=${enableval}], [enable_openvpn="no"])
+if (test "${enable_openvpn}" != "no"); then
+ if (test -z "${path_openvpn}"); then
+ AC_PATH_PROG(OPENVPN, [openvpn], [], $PATH:/sbin:/usr/sbin)
+ else
+ OPENVPN="${path_openvpn}"
+ AC_SUBST(OPENVPN)
+ fi
+fi
+AM_CONDITIONAL(OPENVPN, test "${enable_openvpn}" != "no")
+AM_CONDITIONAL(OPENVPN_BUILTIN, test "${enable_openvpn}" = "builtin")
+
AC_ARG_ENABLE(loopback,
AC_HELP_STRING([--enable-loopback], [enable loopback support]),
[enable_loopback=${enableval}], [enable_loopback="no"])
diff --git a/plugins/openvpn.c b/plugins/openvpn.c
new file mode 100644
index 0000000..8716eee
--- /dev/null
+++ b/plugins/openvpn.c
@@ -0,0 +1,294 @@
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2010 BMW Car IT GmbH. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <net/if.h>
+
+#include <glib/gstrfuncs.h>
+#include <glib/ghash.h>
+
+#define CONNMAN_API_SUBJECT_TO_CHANGE
+#include <connman/plugin.h>
+#include <connman/provider.h>
+#include <connman/log.h>
+#include <connman/task.h>
+#include <connman/dbus.h>
+#include <connman/rtnl.h>
+#include <connman/inet.h>
+
+#include "vpn.h"
+
+#ifndef IFF_LOWER_UP
+#define IFF_LOWER_UP 0x10000
+#endif
+
+static DBusConnection *connection;
+
+struct ov_vpn_data {
+ struct connman_provider *provider;
+ char *gateway;
+};
+
+GHashTable *provider_hash = NULL;
+
+static void ov_vpn_data_free(void *user_data)
+{
+ struct ov_vpn_data *vpn_data = user_data;
+
+ g_free(vpn_data->gateway);
+ g_free(vpn_data);
+}
+
+static void ov_newlink(unsigned flags, unsigned change, void *user_data)
+{
+ struct connman_provider *provider = user_data;
+ struct ov_vpn_data *vpn_data;
+ const char *address;
+ int index;
+
+ vpn_data = g_hash_table_lookup(provider_hash, provider);
+ if (vpn_data == NULL) {
+ DBG("missing vpn_data");
+ return;
+ }
+
+ index = connman_provider_get_index(provider);
+ address = connman_provider_get_string(provider, "Address");
+
+ DBG("index %d flags %d change %d", index, flags, change);
+
+ if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
+ (IFF_RUNNING | IFF_LOWER_UP)) {
+ DBG("address %s gateway %s", address, vpn_data->gateway);
+ connman_inet_set_gateway_address(index, vpn_data->gateway);
+ }
+}
+
+static int ov_notify(DBusMessage *msg, struct connman_provider *provider)
+{
+ DBusMessageIter iter, dict;
+ const char *reason, *key, *value;
+ const char *domain = NULL;
+ struct ov_vpn_data *vpn_data;
+
+ vpn_data = g_try_new0(struct ov_vpn_data, 1);
+ if (vpn_data == NULL) {
+ connman_error("No memory left");
+ return VPN_STATE_FAILURE;
+ }
+
+ vpn_data->provider = provider;
+
+ dbus_message_iter_init(msg, &iter);
+
+ dbus_message_iter_get_basic(&iter, &reason);
+ dbus_message_iter_next(&iter);
+
+ dbus_message_iter_init(msg, &iter);
+
+ dbus_message_iter_get_basic(&iter, &reason);
+ dbus_message_iter_next(&iter);
+
+ if (!provider) {
+ connman_error("No provider found");
+ return VPN_STATE_FAILURE;
+ }
+
+ if (strcmp(reason, "up"))
+ return VPN_STATE_DISCONNECT;
+
+ domain = connman_provider_get_string(provider, "VPN.Domain");
+
+ dbus_message_iter_recurse(&iter, &dict);
+
+ while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+ DBusMessageIter entry;
+
+ dbus_message_iter_recurse(&dict, &entry);
+ dbus_message_iter_get_basic(&entry, &key);
+ dbus_message_iter_next(&entry);
+ dbus_message_iter_get_basic(&entry, &value);
+
+ DBG("%s = %s", key, value);
+
+ if (!strcmp(key, "trusted_ip"))
+ connman_provider_set_string(provider, "Gateway", value);
+
+ if (!strcmp(key, "ifconfig_local"))
+ connman_provider_set_string(provider, "Address", value);
+
+ if (g_str_has_prefix(key, "foreign_option_")) {
+ gchar **options;
+
+ options = g_strsplit(value, " ", 3);
+ if (options[0] != NULL &&
+ !strcmp(options[0], "dhcp-option") &&
+ options[1] != NULL &&
+ !strcmp(options[1], "DNS") &&
+ options[2] != NULL) {
+ connman_provider_set_string(provider, "DNS",
+ options[2]);
+ }
+
+ g_strfreev(options);
+ }
+
+ if (!strcmp(key, "route_vpn_gateway"))
+ vpn_data->gateway = g_strdup(value);
+
+ dbus_message_iter_next(&dict);
+ }
+
+ g_hash_table_replace(provider_hash, provider, vpn_data);
+
+ return VPN_STATE_CONNECT;
+}
+
+static int ov_connect(struct connman_provider *provider,
+ struct connman_task *task, const char *if_name)
+{
+ const char *vpnhost, *cafile, *mtu, *certfile, *keyfile;
+ int index;
+ int err, fd;
+
+ vpnhost = connman_provider_get_string(provider, "Host");
+ if (!vpnhost) {
+ connman_error("Host not set; cannot enable VPN");
+ return -EINVAL;
+ }
+
+ cafile = connman_provider_get_string(provider, "OpenVPN.CACert");
+ certfile = connman_provider_get_string(provider, "OpenVPN.Cert");
+ keyfile = connman_provider_get_string(provider, "OpenVPN.Key");
+ mtu = connman_provider_get_string(provider, "VPN.MTU");
+
+ if (mtu)
+ connman_task_add_argument(task, "--mtu", (char *)mtu);
+
+ connman_task_add_argument(task, "--syslog", NULL);
+
+ connman_task_add_argument(task, "--script-security", "2");
+
+ connman_task_add_argument(task, "--up",
+ SCRIPTDIR "/openvpn-script");
+ connman_task_add_argument(task, "--up-restart", NULL);
+
+ connman_task_add_argument(task, "--setenv", NULL);
+ connman_task_add_argument(task, "CONNMAN_BUSNAME",
+ dbus_bus_get_unique_name(connection));
+
+ connman_task_add_argument(task, "--setenv", NULL);
+ connman_task_add_argument(task, "CONNMAN_INTERFACE",
+ CONNMAN_TASK_INTERFACE);
+
+ connman_task_add_argument(task, "--setenv", NULL);
+ connman_task_add_argument(task, "CONNMAN_PATH",
+ connman_task_get_path(task));
+
+ connman_task_add_argument(task, "--dev", if_name);
+ connman_task_add_argument(task, "--dev-type", "tun");
+
+ connman_task_add_argument(task, "--tls-client", NULL);
+ connman_task_add_argument(task, "--remote", (char *)vpnhost);
+ connman_task_add_argument(task, "--nobind", NULL);
+ connman_task_add_argument(task, "--persist-key", NULL);
+ connman_task_add_argument(task, "--persist-tun", NULL);
+
+ connman_task_add_argument(task, "--route-noexec", NULL);
+ connman_task_add_argument(task, "--ifconfig-noexec", NULL);
+
+ connman_task_add_argument(task, "--client", NULL);
+
+ if (cafile) {
+ connman_task_add_argument(task, "--ca",
+ (char *)cafile);
+ }
+
+ if (certfile) {
+ connman_task_add_argument(task, "--cert",
+ (char *)certfile);
+ }
+
+ if (keyfile) {
+ connman_task_add_argument(task, "--key",
+ (char *)keyfile);
+ }
+
+ index = connman_provider_get_index(provider);
+ connman_rtnl_add_newlink_watch(index, ov_newlink, provider);
+
+ fd = fileno(stderr);
+ err = connman_task_run(task, vpn_died, provider,
+ NULL, &fd, &fd);
+ if (err < 0) {
+ connman_error("openvpn failed to start");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static void ov_disconnect(struct connman_provider *provider)
+{
+ int index;
+
+ index = connman_provider_get_index(provider);
+ connman_rtnl_remove_watch(index);
+
+ g_hash_table_remove(provider_hash, provider);
+}
+
+static struct vpn_driver vpn_driver = {
+ .notify = ov_notify,
+ .connect = ov_connect,
+ .disconnect = ov_disconnect,
+};
+
+static int openvpn_init(void)
+{
+ connection = connman_dbus_get_connection();
+
+ provider_hash = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal,
+ NULL, ov_vpn_data_free);
+
+ return vpn_register("openvpn", &vpn_driver, OPENVPN);
+}
+
+static void openvpn_exit(void)
+{
+ vpn_unregister("openvpn");
+
+ g_hash_table_destroy(provider_hash);
+ provider_hash = NULL;
+
+ dbus_connection_unref(connection);
+}
+
+CONNMAN_PLUGIN_DEFINE(openvpn, "OpenVPN plugin", VERSION,
+ CONNMAN_PLUGIN_PRIORITY_DEFAULT, openvpn_init, openvpn_exit)
diff --git a/scripts/openvpn-script.c b/scripts/openvpn-script.c
new file mode 100644
index 0000000..8d2c3ff
--- /dev/null
+++ b/scripts/openvpn-script.c
@@ -0,0 +1,123 @@
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2010 BMW Car IT GmbH. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <dbus/dbus.h>
+
+extern char **environ;
+
+static void append(DBusMessageIter *dict, const char *pattern)
+{
+ DBusMessageIter entry;
+ const char *key, *value;
+ char *delim;
+
+ delim = strchr(pattern, '=');
+ *delim = '\0';
+
+ key = pattern;
+ value = delim + 1;
+
+ dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
+ NULL, &entry);
+
+ dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
+
+ dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &value);
+
+ dbus_message_iter_close_container(dict, &entry);
+}
+
+int main(int argc, char *argv[])
+{
+ DBusConnection *conn;
+ DBusError error;
+ DBusMessage *msg;
+ DBusMessageIter iter, dict;
+ char **envp, *busname, *interface, *path, *reason;
+
+ busname = getenv("CONNMAN_BUSNAME");
+ interface = getenv("CONNMAN_INTERFACE");
+ path = getenv("CONNMAN_PATH");
+
+ reason = getenv("script_type");
+
+ if (!busname || !interface || !path || !reason) {
+ fprintf(stderr, "Required environment variables not set\n");
+ return 1;
+ }
+ dbus_error_init(&error);
+
+ conn = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
+ if (conn == NULL) {
+ if (dbus_error_is_set(&error) == TRUE) {
+ fprintf(stderr, "%s\n", error.message);
+ dbus_error_free(&error);
+ } else
+ fprintf(stderr, "Failed to get on system bus\n");
+ return 0;
+ }
+
+ msg = dbus_message_new_method_call(busname, path,
+ interface, "notify");
+ if (msg == NULL) {
+ dbus_connection_unref(conn);
+ fprintf(stderr, "Failed to allocate method call\n");
+ return 0;
+ }
+
+ dbus_message_set_no_reply(msg, TRUE);
+
+ dbus_message_append_args(msg,
+ DBUS_TYPE_STRING, &reason,
+ DBUS_TYPE_INVALID);
+
+ dbus_message_iter_init_append(msg, &iter);
+
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_STRING_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
+
+ for (envp = environ; envp && *envp; envp++)
+ append(&dict, *envp);
+
+ dbus_message_iter_close_container(&iter, &dict);
+
+ if (dbus_connection_send(conn, msg, NULL) == FALSE)
+ fprintf(stderr, "Failed to send message\n");
+
+ dbus_connection_flush(conn);
+
+ dbus_message_unref(msg);
+
+ dbus_connection_unref(conn);
+
+ return 0;
+}
--
1.7.2.3
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