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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2015 Peter Hatina <phatina@redhat.com>
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include <src/udiskslogging.h>
#include <src/udisksdaemon.h>
#include <src/udisksdaemonutil.h>
#include "udisksiscsitypes.h"
#include "udisksiscsiutil.h"
#include "udiskslinuxiscsisession.h"
#include "udiskslinuxiscsisessionobject.h"
/**
* SECTION:udiskslinuxiscsisession
* @title: UDisksLinuxISCSISession
* @short_description: Linux implementation of #UDisksISCSISession
*
* This type provides an implementation of #UDisksISCSISession interface
* on Linux.
*/
/**
* UDisksLinuxISCSISession:
*
* The #UDisksLinuxISCSISession structure contains only private data and
* should only be accessed using provided API.
*/
struct _UDisksLinuxISCSISession {
UDisksISCSISessionSkeleton parent_instance;
};
struct _UDisksLinuxISCSISessionClass {
UDisksISCSISessionSkeletonClass parent_class;
};
static void udisks_linux_iscsi_session_iface_init (UDisksISCSISessionIface *iface);
G_DEFINE_TYPE_WITH_CODE (UDisksLinuxISCSISession, udisks_linux_iscsi_session,
UDISKS_TYPE_ISCSI_SESSION_SKELETON,
G_IMPLEMENT_INTERFACE (UDISKS_TYPE_ISCSI_SESSION,
udisks_linux_iscsi_session_iface_init));
static void
udisks_linux_iscsi_session_class_init (UDisksLinuxISCSISessionClass *klass)
{
}
static void
udisks_linux_iscsi_session_init (UDisksLinuxISCSISession *self)
{
g_dbus_interface_skeleton_set_flags (G_DBUS_INTERFACE_SKELETON (self),
G_DBUS_INTERFACE_SKELETON_FLAGS_HANDLE_METHOD_INVOCATIONS_IN_THREAD);
}
/**
* udisks_linux_iscsi_session_new:
*
* Creates a new #UDisksLinuxISCSISession instance.
*
* Returns: A new #UDisksLinuxISCSISession. Free with g_object_unref().
*/
UDisksLinuxISCSISession *
udisks_linux_iscsi_session_new (void)
{
return g_object_new (UDISKS_TYPE_LINUX_ISCSI_SESSION, NULL);
}
/**
* udisks_linux_iscsi_session_update:
* @session: A #UDisksLinuxISCSISession
* @object: The enclosing #UDisksLinuxISCSISessionObject instance.
*
* Updates the interface.
*
* Returns: %TRUE if configuration has changed, %FALSE otherwise.
*/
gboolean
udisks_linux_iscsi_session_update (UDisksLinuxISCSISession *session,
UDisksLinuxISCSISessionObject *object)
{
return FALSE;
}
static gboolean
handle_logout_interface (UDisksISCSISession *session,
GDBusMethodInvocation *invocation,
const gchar *arg_iface,
GVariant *arg_options)
{
UDisksLinuxModuleISCSI *module;
UDisksDaemon *daemon;
UDisksLinuxISCSISessionObject *object;
GError *error = NULL;
gchar *errorstr = NULL;
gint err;
const gchar *name;
const gchar *address;
guint32 tpgt;
guint32 port;
object = udisks_daemon_util_dup_object (session, &error);
if (! object)
{
g_dbus_method_invocation_take_error (invocation, error);
goto out;
}
module = udisks_linux_iscsi_session_object_get_module (object);
daemon = udisks_module_get_daemon (UDISKS_MODULE (module));
/* Policy check. */
UDISKS_DAEMON_CHECK_AUTHORIZATION (daemon,
UDISKS_OBJECT (object),
ISCSI_MODULE_POLICY_ACTION_ID,
arg_options,
N_("Authentication is required to perform iSCSI logout"),
invocation);
/* Parameters */
name = udisks_iscsi_session_get_target_name (session);
address = udisks_iscsi_session_get_address (session);
tpgt = udisks_iscsi_session_get_tpgt (session);
port = udisks_iscsi_session_get_persistent_port (session);
/* Enter a critical section. */
udisks_linux_module_iscsi_lock_libiscsi_context (module);
/* Logout */
err = iscsi_logout (module, name, tpgt, address, port, arg_iface, arg_options, &errorstr);
/* Leave the critical section. */
udisks_linux_module_iscsi_unlock_libiscsi_context (module);
if (err != 0)
{
/* Logout failed. */
g_dbus_method_invocation_return_error (invocation,
UDISKS_ERROR,
UDISKS_ERROR_FAILED,
N_("Logout failed: %s"),
errorstr);
goto out;
}
/* now sit and wait until the device and session disappear on dbus */
if (!udisks_daemon_wait_for_object_to_disappear_sync (daemon,
wait_for_iscsi_object,
g_strdup (name),
g_free,
UDISKS_DEFAULT_WAIT_TIMEOUT,
&error))
{
g_prefix_error (&error, "Error waiting for iSCSI device to disappear: ");
g_dbus_method_invocation_take_error (invocation, error);
goto out;
}
if (!udisks_daemon_wait_for_object_to_disappear_sync (daemon,
wait_for_iscsi_session_object,
g_strdup (name),
g_free,
UDISKS_DEFAULT_WAIT_TIMEOUT,
&error))
{
g_prefix_error (&error, "Error waiting for iSCSI session object to disappear: ");
g_dbus_method_invocation_take_error (invocation, error);
goto out;
}
/* Complete DBus call. */
udisks_iscsi_session_complete_logout (session,
invocation);
out:
g_clear_object (&object);
g_free (errorstr);
/* Indicate that we handled the method invocation. */
return TRUE;
}
static gboolean
handle_logout (UDisksISCSISession *object,
GDBusMethodInvocation *invocation,
GVariant *arg_options)
{
/* Logout the "default" interface. */
return handle_logout_interface (object, invocation, "default", arg_options);
}
/* -------------------------------------------------------------------------- */
void udisks_linux_iscsi_session_iface_init (UDisksISCSISessionIface *iface)
{
iface->handle_logout_interface = handle_logout_interface;
iface->handle_logout = handle_logout;
}
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