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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <errno.h>
#include "dbus-unit.h"
#include "dbus-execute.h"
#include "dbus-kill.h"
#include "dbus-cgroup.h"
#include "dbus-common.h"
#include "selinux-access.h"
#include "dbus-mount.h"
#define BUS_MOUNT_INTERFACE \
" <interface name=\"org.freedesktop.systemd1.Mount\">\n" \
" <property name=\"Where\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"What\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"Options\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"Type\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \
BUS_EXEC_COMMAND_INTERFACE("ExecMount") \
BUS_EXEC_COMMAND_INTERFACE("ExecUnmount") \
BUS_EXEC_COMMAND_INTERFACE("ExecRemount") \
BUS_EXEC_CONTEXT_INTERFACE \
BUS_KILL_CONTEXT_INTERFACE \
" <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \
" </interface>\n"
#define INTROSPECTION \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>\n" \
BUS_UNIT_INTERFACE \
BUS_MOUNT_INTERFACE \
BUS_PROPERTIES_INTERFACE \
BUS_PEER_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE \
"</node>\n"
#define INTERFACES_LIST \
BUS_UNIT_INTERFACES_LIST \
"org.freedesktop.systemd1.Mount\0"
const char bus_mount_interface[] _introspect_("Mount") = BUS_MOUNT_INTERFACE;
const char bus_mount_invalidating_properties[] =
"What\0"
"Options\0"
"Type\0"
"ExecMount\0"
"ExecUnmount\0"
"ExecRemount\0"
"ControlPID\0"
"Result\0";
static int bus_mount_append_what(DBusMessageIter *i, const char *property, void *data) {
Mount *m = data;
const char *d;
assert(i);
assert(property);
assert(m);
if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
d = m->parameters_proc_self_mountinfo.what;
else if (m->from_fragment && m->parameters_fragment.what)
d = m->parameters_fragment.what;
else
d = "";
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
return -ENOMEM;
return 0;
}
static int bus_mount_append_options(DBusMessageIter *i, const char *property, void *data) {
Mount *m = data;
const char *d;
assert(i);
assert(property);
assert(m);
if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options)
d = m->parameters_proc_self_mountinfo.options;
else if (m->from_fragment && m->parameters_fragment.options)
d = m->parameters_fragment.options;
else
d = "";
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
return -ENOMEM;
return 0;
}
static int bus_mount_append_type(DBusMessageIter *i, const char *property, void *data) {
Mount *m = data;
const char *d;
assert(i);
assert(property);
assert(m);
if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype)
d = m->parameters_proc_self_mountinfo.fstype;
else if (m->from_fragment && m->parameters_fragment.fstype)
d = m->parameters_fragment.fstype;
else
d = "";
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
return -ENOMEM;
return 0;
}
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_mount_append_mount_result, mount_result, MountResult);
static const BusProperty bus_mount_properties[] = {
{ "Where", bus_property_append_string, "s", offsetof(Mount, where), true },
{ "What", bus_mount_append_what, "s", 0 },
{ "Options", bus_mount_append_options, "s", 0 },
{ "Type", bus_mount_append_type, "s", 0 },
{ "TimeoutUSec", bus_property_append_usec, "t", offsetof(Mount, timeout_usec) },
BUS_EXEC_COMMAND_PROPERTY("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), false),
BUS_EXEC_COMMAND_PROPERTY("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), false),
BUS_EXEC_COMMAND_PROPERTY("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), false),
{ "ControlPID", bus_property_append_pid, "u", offsetof(Mount, control_pid) },
{ "DirectoryMode", bus_property_append_mode, "u", offsetof(Mount, directory_mode) },
{ "Result", bus_mount_append_mount_result, "s", offsetof(Mount, result) },
{ NULL, }
};
DBusHandlerResult bus_mount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
Mount *m = MOUNT(u);
const BusBoundProperties bps[] = {
{ "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
{ "org.freedesktop.systemd1.Mount", bus_mount_properties, m },
{ "org.freedesktop.systemd1.Mount", bus_exec_context_properties, &m->exec_context },
{ "org.freedesktop.systemd1.Mount", bus_kill_context_properties, &m->kill_context },
{ "org.freedesktop.systemd1.Mount", bus_cgroup_context_properties, &m->cgroup_context },
{ NULL, }
};
SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps );
}
int bus_mount_set_property(
Unit *u,
const char *name,
DBusMessageIter *i,
UnitSetPropertiesMode mode,
DBusError *error) {
Mount *m = MOUNT(u);
int r;
assert(name);
assert(u);
assert(i);
r = bus_cgroup_set_property(u, &m->cgroup_context, name, i, mode, error);
if (r != 0)
return r;
return 0;
}
int bus_mount_commit_properties(Unit *u) {
assert(u);
unit_realize_cgroup(u);
return 0;
}
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