#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>
+#include <unistd.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"
+#include "vpn.h"
-enum oc_state {
- OC_STATE_UNKNOWN = 0,
- OC_STATE_IDLE = 1,
- OC_STATE_CONNECT = 2,
- OC_STATE_READY = 3,
- OC_STATE_DISCONNECT = 4,
- OC_STATE_FAILURE = 5,
-};
-
-struct oc_data {
- char *if_name;
- unsigned flags;
- unsigned int watch;
- unsigned int state;
- 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, "%s", 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);
- int state = data->state;
-
- 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:
- if (state != OC_STATE_READY && state != OC_STATE_DISCONNECT)
- connman_provider_set_state(provider,
- CONNMAN_PROVIDER_STATE_FAILURE);
- else
- connman_provider_set_state(provider,
- CONNMAN_PROVIDER_STATE_IDLE);
-
- 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) {
- data->state = OC_STATE_READY;
- connman_provider_set_state(provider,
- CONNMAN_PROVIDER_STATE_READY);
- }
- }
- data->flags = flags;
-}
-
-static void openconnect_task_notify(struct connman_task *task,
- DBusMessage *msg, void *user_data)
+static int oc_notify(DBusMessage *msg, struct connman_provider *provider)
{
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);
if (!provider) {
connman_error("No provider found");
- return;
+ return VPN_STATE_FAILURE;
}
data = connman_provider_get_data(provider);
if (!data) {
DBG("provider %p no data", provider);
- return;
+ return VPN_STATE_FAILURE;
}
- if (strcmp(reason, "connect")) {
- connman_provider_set_state(provider,
- CONNMAN_PROVIDER_STATE_DISCONNECT);
- return;
- }
+ if (strcmp(reason, "connect"))
+ return VPN_STATE_DISCONNECT;
domain = connman_provider_get_string(provider, "VPN.Domain");
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);
+ return VPN_STATE_CONNECT;
}
-static int oc_connect(struct connman_provider *provider)
+static int oc_connect(struct connman_provider *provider,
+ struct connman_task *task, const char *if_name)
{
- 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;
- data->state = OC_STATE_IDLE;
-
- connman_provider_set_data(provider, data);
+ int fd, err;
vpnhost = connman_provider_get_string(provider, "Host");
if (!vpnhost) {
connman_error("Host not set; cannot enable VPN");
- ret = -EINVAL;
- goto exist_err;
+ return -EINVAL;
}
vpncookie = connman_provider_get_string(provider, "OpenConnect.Cookie");
if (!vpncookie) {
connman_error("OpenConnect.Cookie not set; cannot enable VPN");
- ret = -EINVAL;
- goto exist_err;
+ return -EINVAL;
}
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",
+ connman_task_add_argument(task, "--cafile",
(char *)cafile);
if (mtu)
- connman_task_add_argument(data->task, "--mtu", (char *)mtu);
+ connman_task_add_argument(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(task, "--syslog", NULL);
+ connman_task_add_argument(task, "--cookie-on-stdin", NULL);
- connman_task_add_argument(data->task, "--script",
+ connman_task_add_argument(task, "--script",
SCRIPTDIR "/openconnect-script");
- connman_task_add_argument(data->task, "--interface", data->if_name);
+ connman_task_add_argument(task, "--interface", if_name);
- connman_task_add_argument(data->task, (char *)vpnhost, NULL);
+ connman_task_add_argument(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;
+ err = connman_task_run(task, vpn_died, provider,
+ &fd, NULL, NULL);
+ if (err < 0) {
+ connman_error("openconnect failed to start");
+ return -EIO;
}
- 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) {
+ if (write(fd, vpncookie, strlen(vpncookie)) !=
+ (ssize_t)strlen(vpncookie) ||
+ write(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;
+ return -EIO;
}
- connman_provider_ref(provider);
-
- data->state = OC_STATE_CONNECT;
-
- 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;
- data->state = OC_STATE_DISCONNECT;
- connman_task_stop(data->task);
-
- connman_provider_unref(provider);
-
- 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);
-
- connman_provider_unref(provider);
-
- 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,
+static struct vpn_driver vpn_driver = {
+ .notify = oc_notify,
.connect = oc_connect,
- .probe = oc_probe,
- .remove = oc_remove,
};
static int openconnect_init(void)
{
- connman_provider_driver_register(&provider_driver);
-
- return 0;
+ return vpn_register("openconnect", &vpn_driver, OPENCONNECT);
}
static void openconnect_exit(void)
{
- connman_provider_driver_unregister(&provider_driver);
+ vpn_unregister("openconnect");
}
CONNMAN_PLUGIN_DEFINE(openconnect, "OpenConnect VPN plugin", VERSION,
projects / framework / connectivity / connman.git / blobdiff