--- /dev/null
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2007-2009 Intel Corporation. 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 <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <linux/if_tun.h>
+#include <net/if.h>
+#include <stdint.h>
+
+#include <glib/garray.h>
+#include <glib/gerror.h>
+#include <glib/gmain.h>
+#include <glib/gspawn.h>
+
+#define CONNMAN_API_SUBJECT_TO_CHANGE
+#include <connman/plugin.h>
+#include <connman/device.h>
+#include <connman/element.h>
+#include <connman/provider.h>
+#include <connman/log.h>
+#include <connman/element.h>
+#include <connman/rtnl.h>
+#include <connman/task.h>
+
+#include "inet.h"
+
+struct oc_data {
+ char *if_name;
+ unsigned flags;
+ unsigned int watch;
+ struct connman_task *task;
+};
+
+static int kill_tun(char *tun_name)
+{
+ struct ifreq ifr;
+ int fd, err;
+
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
+ sprintf(ifr.ifr_name, tun_name);
+
+ fd = open("/dev/net/tun", O_RDWR);
+ if (fd < 0) {
+ err = -errno;
+ connman_error("Failed to open /dev/net/tun to device %s: %s",
+ tun_name, strerror(errno));
+ return err;
+ }
+
+ if (ioctl(fd, TUNSETIFF, (void *)&ifr)) {
+ err = -errno;
+ connman_error("Failed to TUNSETIFF for device %s to it: %s",
+ tun_name, strerror(errno));
+ close(fd);
+ return err;
+ }
+
+ if (ioctl(fd, TUNSETPERSIST, 0)) {
+ err = -errno;
+ connman_error("Failed to set tun device %s nonpersistent: %s",
+ tun_name, strerror(errno));
+ close(fd);
+ return err;
+ }
+ close(fd);
+ DBG("Killed tun device %s", tun_name);
+ return 0;
+}
+
+static void openconnect_died(struct connman_task *task, void *user_data)
+{
+ struct connman_provider *provider = user_data;
+ struct oc_data *data = connman_provider_get_data(provider);
+
+ DBG("provider %p data %p", provider, data);
+
+ if (!data)
+ goto oc_exit;
+
+ kill_tun(data->if_name);
+ connman_provider_set_data(provider, NULL);
+ connman_rtnl_remove_watch(data->watch);
+ g_free(data);
+
+ oc_exit:
+ connman_provider_set_connected(provider, FALSE);
+ connman_provider_set_index(provider, -1);
+ connman_provider_unref(provider);
+ connman_task_destroy(task);
+}
+
+static void vpn_newlink(unsigned flags, unsigned change, void *user_data)
+{
+ struct connman_provider *provider = user_data;
+ struct oc_data *data = connman_provider_get_data(provider);
+
+ if ((data->flags & IFF_UP) != (flags & IFF_UP)) {
+ if (flags & IFF_UP)
+ connman_provider_set_connected(provider, TRUE);
+ }
+ data->flags = flags;
+}
+
+static void openconnect_task_notify(struct connman_task *task,
+ DBusMessage *msg, void *user_data)
+{
+ DBusMessageIter iter, dict;
+ struct connman_provider *provider = user_data;
+ struct oc_data *data;
+ const char *reason, *key, *value;
+ const char *domain = NULL;
+ int index;
+
+ 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;
+ }
+
+ data = connman_provider_get_data(provider);
+ if (!data) {
+ DBG("provider %p no data", provider);
+ return;
+ }
+
+ if (strcmp(reason, "connect")) {
+ connman_provider_set_connected(provider, FALSE);
+ return;
+ }
+
+ 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);
+
+ if (strcmp(key, "CISCO_CSTP_OPTIONS"))
+ DBG("%s = %s", key, value);
+
+ if (!strcmp(key, "VPNGATEWAY"))
+ connman_provider_set_string(provider, "Gateway", value);
+
+ if (!strcmp(key, "INTERNAL_IP4_ADDRESS"))
+ connman_provider_set_string(provider, "Address", value);
+
+ if (!strcmp(key, "INTERNAL_IP4_NETMASK"))
+ connman_provider_set_string(provider, "Netmask", value);
+
+ if (!strcmp(key, "INTERNAL_IP4_DNS"))
+ connman_provider_set_string(provider, "DNS", value);
+
+ if (domain == NULL && !strcmp(key, "CISCO_DEF_DOMAIN"))
+ domain = value;
+
+ dbus_message_iter_next(&dict);
+ }
+
+ index = connman_provider_get_index(provider);
+ connman_provider_set_string(provider, "Domain", domain);
+ data->watch = connman_rtnl_add_newlink_watch(index,
+ vpn_newlink, provider);
+
+ connman_inet_ifup(index);
+}
+
+static int oc_connect(struct connman_provider *provider)
+{
+ struct oc_data *data = connman_provider_get_data(provider);
+ struct ifreq ifr;
+ int oc_fd, fd, i, index;
+ const char *vpnhost, *vpncookie, *cafile, *mtu;
+ int ret = 0;
+
+ if (data != NULL)
+ return -EISCONN;
+
+ data = g_try_new0(struct oc_data, 1);
+ if (data == NULL)
+ return -ENOMEM;
+
+ data->watch = 0;
+ data->flags = 0;
+ data->task = NULL;
+
+ connman_provider_set_data(provider, data);
+
+ vpnhost = connman_provider_get_string(provider, "OpenConnect.Host");
+ if (!vpnhost) {
+ connman_error("OpenConnect.Host not set; cannot enable VPN");
+ ret = -EINVAL;
+ goto exist_err;
+ }
+
+ vpncookie = connman_provider_get_string(provider, "OpenConnect.Cookie");
+ if (!vpncookie) {
+ connman_error("OpenConnect.Cookie not set; cannot enable VPN");
+ ret = -EINVAL;
+ goto exist_err;
+ }
+
+ cafile = connman_provider_get_string(provider, "OpenConnect.CACert");
+ mtu = connman_provider_get_string(provider, "VPN.MTU");
+
+ fd = open("/dev/net/tun", O_RDWR);
+ if (fd < 0) {
+ i = -errno;
+ connman_error("Failed to open /dev/net/tun: %s",
+ strerror(errno));
+ ret = i;
+ goto exist_err;
+ }
+
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
+
+ for (i = 0; i < 256; i++) {
+ sprintf(ifr.ifr_name, "vpn%d", i);
+
+ if (!ioctl(fd, TUNSETIFF, (void *)&ifr))
+ break;
+ }
+
+ if (i == 256) {
+ connman_error("Failed to find available tun device");
+ close(fd);
+ ret = -ENODEV;
+ goto exist_err;
+ }
+
+ data->if_name = (char *)g_strdup(ifr.ifr_name);
+ if (!data->if_name) {
+ ret = -ENOMEM;
+ goto exist_err;
+ }
+
+ if (ioctl(fd, TUNSETPERSIST, 1)) {
+ i = -errno;
+ connman_error("Failed to set tun persistent: %s",
+ strerror(errno));
+ close(fd);
+ ret = i;
+ goto exist_err;
+ }
+
+ close(fd);
+
+ index = connman_inet_ifindex(data->if_name);
+ if (index < 0) {
+ connman_error("Failed to get tun ifindex");
+ kill_tun(data->if_name);
+ ret = -EIO;
+ goto exist_err;
+ }
+ connman_provider_set_index(provider, index);
+
+ data->task = connman_task_create(OPENCONNECT);
+
+ if (data->task == NULL) {
+ ret = -ENOMEM;
+ kill_tun(data->if_name);
+ goto exist_err;
+ }
+
+ if (connman_task_set_notify(data->task, "notify",
+ openconnect_task_notify, provider)) {
+ ret = -ENOMEM;
+ kill_tun(data->if_name);
+ connman_task_destroy(data->task);
+ data->task = NULL;
+ goto exist_err;
+ }
+
+ if (cafile)
+ connman_task_add_argument(data->task, "--cafile",
+ (char *)cafile);
+ if (mtu)
+ connman_task_add_argument(data->task, "--mtu", (char *)mtu);
+
+ connman_task_add_argument(data->task, "--syslog", NULL);
+ connman_task_add_argument(data->task, "--cookie-on-stdin", NULL);
+
+ connman_task_add_argument(data->task, "--script",
+ SCRIPTDIR "/openconnect-script");
+
+ connman_task_add_argument(data->task, "--interface", data->if_name);
+
+ connman_task_add_argument(data->task, (char *)vpnhost, NULL);
+
+ ret = connman_task_run(data->task, openconnect_died, provider,
+ &oc_fd, NULL, NULL);
+ if (ret) {
+ connman_error("Openconnect failed to start");
+ kill_tun(data->if_name);
+ ret = -EIO;
+ connman_task_destroy(data->task);
+ data->task = NULL;
+ goto exist_err;
+ }
+
+ DBG("openconnect started with dev %s", data->if_name);
+
+ if (write(oc_fd, vpncookie, strlen(vpncookie)) !=
+ (ssize_t)strlen(vpncookie) ||
+ write(oc_fd, "\n", 1) != 1) {
+ connman_error("openconnect failed to take cookie on stdin");
+ connman_provider_set_data(provider, NULL);
+ connman_task_stop(data->task);
+ ret = -EIO;
+ goto exist_err;
+ }
+
+ connman_provider_ref(provider);
+ return -EINPROGRESS;
+
+ exist_err:
+ connman_provider_set_index(provider, -1);
+ connman_provider_set_data(provider, NULL);
+ g_free(data);
+
+ return ret;
+}
+
+static int oc_probe(struct connman_provider *provider)
+{
+ return 0;
+}
+
+static int oc_disconnect(struct connman_provider *provider)
+{
+ struct oc_data *data = connman_provider_get_data(provider);
+
+ DBG("disconnect provider %p:", provider);
+
+ if (data == NULL)
+ return 0;
+
+ if (data->watch != 0)
+ connman_rtnl_remove_watch(data->watch);
+
+ data->watch = 0;
+ connman_task_stop(data->task);
+
+ return 0;
+}
+
+static int oc_remove(struct connman_provider *provider)
+{
+ struct oc_data *data;
+
+ data = connman_provider_get_data(provider);
+ connman_provider_set_data(provider, NULL);
+ if (data == NULL)
+ return 0;
+
+ if (data->watch != 0)
+ connman_rtnl_remove_watch(data->watch);
+ data->watch = 0;
+ connman_task_stop(data->task);
+
+ g_usleep(G_USEC_PER_SEC);
+ kill_tun(data->if_name);
+ return 0;
+}
+
+static struct connman_provider_driver provider_driver = {
+ .name = "openconnect",
+ .disconnect = oc_disconnect,
+ .connect = oc_connect,
+ .probe = oc_probe,
+ .remove = oc_remove,
+};
+
+static int openconnect_init(void)
+{
+ connman_provider_driver_register(&provider_driver);
+
+ return 0;
+}
+
+static void openconnect_exit(void)
+{
+ connman_provider_driver_unregister(&provider_driver);
+}
+
+CONNMAN_PLUGIN_DEFINE(openconnect, "OpenConnect VPN plugin", VERSION,
+ CONNMAN_PLUGIN_PRIORITY_DEFAULT, openconnect_init, openconnect_exit)
--- /dev/null
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2007-2009 Intel Corporation. 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;
+
+ /* We clean the environment before invoking openconnect, but
+ might as well still filter out the few things that get
+ added that we're not interested in */
+ if (!strcmp(key, "PWD") || !strcmp(key, "_") ||
+ !strcmp(key, "SHLVL") || !strcmp(key, "connman_busname") ||
+ !strcmp(key, "connman_network"))
+ return;
+
+ 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, *reason, *interface, *path;
+
+ busname = getenv("CONNMAN_BUSNAME");
+ interface = getenv("CONNMAN_INTERFACE");
+ path = getenv("CONNMAN_PATH");
+
+ reason = getenv("reason");
+
+ 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;
+}
projects / platform / upstream / connman.git / commitdiff