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/* -*- 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) 2016 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nm-ppp-manager-call.h"
#include <sys/types.h>
#include <sys/stat.h>
#include "nm-manager.h"
#include "nm-core-utils.h"
#include "nm-ppp-plugin-api.h"
#define PPP_PLUGIN_PATH NMPLUGINDIR "/libnm-ppp-plugin.so"
/*****************************************************************************/
static NMPPPOps *ppp_ops = NULL;
NMPPPManager *
nm_ppp_manager_create (const char *iface, GError **error)
{
NMPPPManager *ret;
GModule *plugin;
GError *error_local = NULL;
NMPPPOps *ops;
struct stat st;
if (G_UNLIKELY (!ppp_ops)) {
if (stat (PPP_PLUGIN_PATH, &st) != 0) {
g_set_error_literal (error,
NM_MANAGER_ERROR, NM_MANAGER_ERROR_MISSING_PLUGIN,
"the PPP plugin " PPP_PLUGIN_PATH " is not installed");
return NULL;
}
if (!nm_utils_validate_plugin (PPP_PLUGIN_PATH, &st, &error_local)) {
g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_MISSING_PLUGIN,
"could not load the PPP plugin " PPP_PLUGIN_PATH ": %s",
error_local->message);
g_clear_error (&error_local);
return NULL;
}
plugin = g_module_open (PPP_PLUGIN_PATH, G_MODULE_BIND_LOCAL);
if (!plugin) {
g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_MISSING_PLUGIN,
"could not load the PPP plugin " PPP_PLUGIN_PATH ": %s",
g_module_error ());
return NULL;
}
if (!g_module_symbol (plugin, "ppp_ops", (gpointer) &ops)) {
g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_MISSING_PLUGIN,
"error loading the PPP plugin: %s", g_module_error ());
return NULL;
}
/* after loading glib types from the plugin, we cannot unload the library anymore.
* Make it resident. */
g_module_make_resident (plugin);
nm_assert (ops);
nm_assert (ops->create);
nm_assert (ops->start);
nm_assert (ops->stop);
nm_assert (ops->stop_cancel);
ppp_ops = ops;
nm_log_info (LOGD_CORE | LOGD_PPP, "loaded PPP plugin " PPP_PLUGIN_PATH);
}
ret = ppp_ops->create (iface);
g_return_val_if_fail (ret, NULL);
return ret;
}
void
nm_ppp_manager_set_route_parameters (NMPPPManager *self,
guint32 ip4_route_table,
guint32 ip4_route_metric,
guint32 ip6_route_table,
guint32 ip6_route_metric)
{
g_return_if_fail (ppp_ops);
ppp_ops->set_route_parameters (self,
ip4_route_table,
ip4_route_metric,
ip6_route_table,
ip6_route_metric);
}
gboolean
nm_ppp_manager_start (NMPPPManager *self,
NMActRequest *req,
const char *ppp_name,
guint32 timeout_secs,
guint baud_override,
GError **err)
{
g_return_val_if_fail (ppp_ops, FALSE);
return ppp_ops->start (self, req, ppp_name, timeout_secs, baud_override, err);
}
NMPPPManagerStopHandle *
nm_ppp_manager_stop (NMPPPManager *self,
GCancellable *cancellable,
NMPPPManagerStopCallback callback,
gpointer user_data)
{
g_return_val_if_fail (ppp_ops, NULL);
return ppp_ops->stop (self, cancellable, callback, user_data);
}
void
nm_ppp_manager_stop_cancel (NMPPPManagerStopHandle *handle)
{
g_return_if_fail (ppp_ops);
g_return_if_fail (handle);
ppp_ops->stop_cancel (handle);
}
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