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network-manager-wireguard
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Babysteps towards getting it to run

master
Max Moser 2018-02-06 16:36:04 +01:00
parent 5c41fb3b38
commit 79d52182d5
1 changed files with 182 additions and 28 deletions
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210
src/nm-openvpn-service.c
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@ -1002,6 +1002,7 @@ nm_openvpn_socket_data_cb (GIOChannel *source, GIOCondition condition, gpointer
static gboolean
nm_openvpn_connect_timer_cb (gpointer data)
{
printf("Connect Timer Callback!\n");
NMWireguardPlugin *plugin = NM_WIREGUARD_PLUGIN (data);
NMWireguardPluginPrivate *priv = NM_WIREGUARD_PLUGIN_GET_PRIVATE (plugin);
NMWireguardPluginIOData *io_data = priv->io_data;
@ -1046,6 +1047,7 @@ out:
static void
nm_openvpn_schedule_connect_timer (NMWireguardPlugin *plugin)
{
printf("Scheduling timer\n");
NMWireguardPluginPrivate *priv = NM_WIREGUARD_PLUGIN_GET_PRIVATE (plugin);
if (priv->connect_timer == 0)
@ -2084,6 +2086,24 @@ static gboolean
test_disconnect(NMVpnServicePlugin *plugin,
GError **err)
{
char *wg_quick_path = wg_quick_find_exepath();
char *connection_name = "mullvad";
char *command;
int retcode = 1;
if(wg_quick_path == NULL){
_LOGW("Error: Could not find wg-quick!");
return FALSE;
}
// join together our command
command = g_strjoin("", wg_quick_path, " down ", connection_name);
if(!g_spawn_command_line_sync(command, NULL, NULL, &retcode, err)){
_LOGW("An error occured while spawning wg-quick! (Error: %s)", (*err)->message);
}
g_free(command);
_LOGI("Did a disconnect!");
return TRUE;
}
@ -2109,6 +2129,57 @@ real_disconnect (NMVpnServicePlugin *plugin,
return TRUE;
}
// read the configuration and set the Plugin's private data accordingly
static gboolean
read_config(NMVpnServicePlugin *plugin,
const char *connection_name,
GError **error){
printf("A:%s\n", connection_name);
NMWireguardPlugin *wg_plugin = NM_WIREGUARD_PLUGIN(plugin);
printf("A2\n"); // do not remove this, or we get a segfault in the next line. because reasons
char *filename = g_strjoin("", "/etc/nm-wireguard/", connection_name, ".conf");
//printf("A3:%s\n", filename);
gchar *contents = NULL;
gchar *line = NULL;
gchar **lines = NULL;
gboolean success = TRUE;
gsize length;
int i = 0;
GError *local = NULL;
printf("B:%s\n", filename);
if(!g_file_get_contents(filename, &contents, &length, &local)){
// TODO the file could not be read
_LOGW("Error while reading configuration: %s", (local)->message);
success = FALSE;
}else{
// TODO set the private data of the plugin such that it contains the read information
//wg_plugin->priv
// TODO find
printf("--- %s (length:%d)\n", filename, length);
lines = g_strsplit(contents, "\n", 0);
while((line = lines[i]) != NULL){
if(g_strrstr(line, "Address") != NULL){
printf(">> %s\n", line);
}
printf("> %s\n", line);
i++;
}
printf("---\n");
}
printf("C\n");
g_strfreev(lines);
g_free(filename);
g_free(contents);
return success;
}
// IMPLEMENT ME RIGHT
static gboolean
test_connect (NMVpnServicePlugin *plugin,
@ -2120,7 +2191,9 @@ test_connect (NMVpnServicePlugin *plugin,
char *secret = nm_setting_vpn_get_secret(setting, "name");
char *str_setting = nm_setting_to_string(setting);
char *wg_quick_path = wg_quick_find_exepath();
//char *
char *connection_name = "mullvad";
char *command;
int retcode = 1;
if(wg_quick_path == NULL){
_LOGW("Error: Could not find wg-quick!");
@ -2129,27 +2202,22 @@ test_connect (NMVpnServicePlugin *plugin,
printf("Setting to String: %s\n", str_setting);
printf("Secret: %s\n", secret);
//char **cmd = {wg_quick_path, "up", "mullvad", NULL};
char **cmd = {"/usr/bin/touch", "/home/maxmanski/uwotm8", NULL};
GPid pid = 0;
GSpawnFlags spawn_flags = G_SPAWN_DO_NOT_REAP_CHILD;
spawn_flags = G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL;
spawn_flags = G_SPAWN_DEFAULT | G_SPAWN_DO_NOT_REAP_CHILD;
// if (!g_spawn_async (NULL, cmd, NULL, spawn_flags, NULL, NULL, &pid, err)){
int exit_code = 0;
*err = NULL; // TODO remove?
// join together our command
command = g_strjoin("", wg_quick_path, " up ", connection_name);
if (!g_spawn_async(NULL, cmd, NULL, spawn_flags, NULL, NULL, &pid, err)){
printf("Command: %s\n", command);
if(!g_spawn_command_line_sync(command, NULL, NULL, &retcode, err)){
_LOGW("An error occured while spawning wg-quick! (Error: %s)", (*err)->message);
return FALSE;
}
pids_pending_add_wg(pid, plugin);
printf("PID of spawned command: %d\n", pid);
g_free(command);
//pids_pending_add_wg(pid, plugin);
//printf("PID of spawned command: %d\n", pid);
printf("Return code of spawned command: %d\n", retcode);
// note: exit code 139 means SIGSEV (program died because of segfault or so)
{
{
printf("WG set up and ready to go!\n");
}
@ -2157,12 +2225,101 @@ test_connect (NMVpnServicePlugin *plugin,
return TRUE;
}
// print the keys and values in a dictionary
static void printme(const char *key, const char *value, gpointer user_data){
printf("Key: %s\n", key);
printf("Value: %s\n", value);
}
// IMPLEMENT ME RIGHT
// this is the function that is actually called when the user clicks the connection in the GUI
static gboolean
test_connect_interactive(NMVpnServicePlugin *plugin,
NMConnection *connection,
GError **error){
NMSettingVpn *setting = nm_connection_get_setting_vpn(connection);
char *secret = nm_setting_vpn_get_secret(setting, "name");
char *str_setting = nm_setting_to_string(setting);
char *wg_quick_path = wg_quick_find_exepath();
char *connection_name = nm_connection_get_id(connection);
char *command;
int retcode = 1;
read_config(plugin, connection_name, error);
printf("Connecting interactively to '%s'\n", connection_name);
printf("===\n");
printf(">>> Data:\n");
nm_setting_vpn_foreach_data_item(setting, printme, NULL);
printf(">>> Secret:\n");
nm_setting_vpn_foreach_secret(setting, printme, NULL);
printf("===\n");
if(wg_quick_path == NULL){
_LOGW("Error: Could not find wg-quick!");
return FALSE;
}
printf("Setting to String: %s\n", str_setting);
printf("Secret: %s\n", secret);
// join together our command
// TODO sanitize the connection name before using it
command = g_strjoin("", wg_quick_path, " up ", connection_name);
printf("Command: %s\n", command);
if(!g_spawn_command_line_sync(command, NULL, NULL, &retcode, error)){
_LOGW("An error occured while spawning wg-quick! (Error: %s)", (*error)->message);
}
g_free(command);
//pids_pending_add_wg(pid, plugin);
//printf("PID of spawned command: %d\n", pid);
printf("Return code of spawned command: %d\n", retcode);
// note: exit code 139 means SIGSEV (program died because of segfault or so)
{
printf("WG set up and ready to go!\n");
}
_LOGI("Did an interactive dummy connect");
NM_WIREGUARD_PLUGIN_GET_PRIVATE(plugin)->interactive = TRUE;
// get ready to build the IP4 stuff and send it
// (required that the connection does not time-out)
char* tmp;
GVariantBuilder builder, ip4builder;
g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
g_variant_builder_init(&ip4builder, G_VARIANT_TYPE_VARDICT);
GVariant *config = g_variant_builder_end(&builder);
GVariant *ip4config = g_variant_builder_end(&ip4builder);
nm_vpn_service_plugin_set_config(plugin, config);
nm_vpn_service_plugin_set_ip4_config(plugin, ip4config);
/*
[1] https://git.gnome.org/browse/network-manager-openvpn/tree/src/nm-openvpn-service-openvpn-helper.c?id=40e522aea2146ec20e0232545aa574664184be39#n114
[2] https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/libnm/nm-vpn-service-plugin.c?id=7044febf97debaf04b7f9ca4fbb2dc24fcf1b0b0#n876
[3] https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/libnm/nm-vpn-service-plugin.c?id=7044febf97debaf04b7f9ca4fbb2dc24fcf1b0b0#n345
[4] https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/src/vpn/nm-vpn-connection.c?id=7044febf97debaf04b7f9ca4fbb2dc24fcf1b0b0#n2072
*/
/*
// it might be easier to just do something valid, actually than trying to pull this hack
s = g_signal_new ("state-changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (NMVpnServicePluginClass, state_changed),
NULL, NULL,
NULL,
G_TYPE_NONE, 1,
G_TYPE_UINT);
g_signal_emit (plugin, s, 0, NM_VPN_SERVICE_STATE_STARTED);
// what is this? // nmdbus_vpn_plugin_emit_state_changed (priv->dbus_vpn_service_plugin, NM_VPN_SERVICE_STATE_STARTED);
//nm_vpn_service_plugin_set_state (plugin, NM_VPN_SERVICE_STATE_STARTED);
*/
return TRUE;
}
@ -2212,6 +2369,12 @@ test_need_secrets (NMVpnServicePlugin *plugin,
const char **setting_name,
GError **error)
{
NMSettingVpn *setting = nm_connection_get_setting_vpn(connection);
char *secret = nm_setting_vpn_get_secret(setting, "name");
char *str_setting = nm_setting_to_string(setting);
char *ptr = setting_name;
*setting_name = NM_SETTING_VPN_SETTING_NAME;
_LOGI("I require no secrets!");
return FALSE;
}
@ -2313,6 +2476,7 @@ real_new_secrets (NMVpnServicePlugin *plugin,
static void
nm_wireguard_plugin_init (NMWireguardPlugin *plugin)
{
/*
// FIXME this is only for testing if the function gets called
GPid pid = 0;
GError *error = NULL;
@ -2328,6 +2492,7 @@ nm_wireguard_plugin_init (NMWireguardPlugin *plugin)
}
printf("Spawned:%d.\n", pid);
*/
}
static void
@ -2379,7 +2544,7 @@ plugin_state_changed (NMWireguardPlugin *plugin,
case NM_VPN_SERVICE_STATE_STOPPED:
/* Cleanup on failure */
nm_clear_g_source (&priv->connect_timer);
nm_openvpn_disconnect_management_socket (plugin);
//nm_openvpn_disconnect_management_socket (plugin);
break;
default:
break;
@ -2392,10 +2557,6 @@ nm_wireguard_plugin_new (const char *bus_name)
NMWireguardPlugin *plugin;
GError *error = NULL;
// TODO rem
printf("%s\n", NM_VPN_SERVICE_PLUGIN_DBUS_SERVICE_NAME);
printf("%s\n", bus_name);
// NOTE: owning this name must be allowed in a DBUS configuration file:
// "/etc/dbus-1/system.d/nm-wireguard-service.conf"
// (an example conf file was copied to the root of this project)
@ -2407,13 +2568,6 @@ nm_wireguard_plugin_new (const char *bus_name)
if (plugin) {
g_signal_connect (G_OBJECT (plugin), "state-changed", G_CALLBACK (plugin_state_changed), NULL);
// FIXME export interface
/*
void *iface = NULL;
void *conn = NULL;
g_dbus_interface_skeleton_export(iface, conn, NM_DBUS_PATH_OPENVPN, &error);
*/
} else {
_LOGW ("Failed to initialize a plugin instance: %s", error->message);
g_error_free (error);