-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
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-mount.h"
-#include "dbus-kill.h"
+#include "bus-util.h"
+#include "dbus-cgroup.h"
#include "dbus-execute.h"
-#include "dbus-common.h"
-#include "selinux-access.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 \
- BUS_UNIT_CGROUP_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);
+#include "dbus-kill.h"
+#include "dbus-mount.h"
+#include "dbus-util.h"
+#include "mount.h"
+#include "string-util.h"
+#include "unit.h"
+
+static int property_get_what(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Mount *m = userdata;
+ const char *d = NULL;
+
+ assert(bus);
+ assert(reply);
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;
+ return sd_bus_message_append(reply, "s", d);
}
-static int bus_mount_append_options(DBusMessageIter *i, const char *property, void *data) {
- Mount *m = data;
- const char *d;
+static int property_get_options(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
- assert(i);
- assert(property);
+ Mount *m = userdata;
+ const char *d = NULL;
+
+ assert(bus);
+ assert(reply);
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;
+ return sd_bus_message_append(reply, "s", d);
}
-static int bus_mount_append_type(DBusMessageIter *i, const char *property, void *data) {
- Mount *m = data;
- const char *d;
+static int property_get_type(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
- assert(i);
- assert(property);
+ const char *fstype = NULL;
+ Mount *m = userdata;
+
+ assert(bus);
+ assert(reply);
assert(m);
if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype)
- d = m->parameters_proc_self_mountinfo.fstype;
+ fstype = m->parameters_proc_self_mountinfo.fstype;
else if (m->from_fragment && m->parameters_fragment.fstype)
- d = m->parameters_fragment.fstype;
- else
- d = "";
+ fstype = m->parameters_fragment.fstype;
+
+ return sd_bus_message_append(reply, "s", fstype);
+}
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, mount_result, MountResult);
+
+const sd_bus_vtable bus_mount_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("Where", "s", NULL, offsetof(Mount, where), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("What", "s", property_get_what, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Options","s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Type", "s", property_get_type, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Mount, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LazyUnmount", "b", bus_property_get_bool, offsetof(Mount, lazy_unmount), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ForceUnmount", "b", bus_property_get_bool, offsetof(Mount, force_unmount), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("UID", "u", NULL, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("GID", "u", NULL, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_VTABLE("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ SD_BUS_VTABLE_END
+};
+
+static int bus_mount_set_transient_property(
+ Mount *m,
+ const char *name,
+ sd_bus_message *message,
+ UnitWriteFlags flags,
+ sd_bus_error *error) {
+
+ Unit *u = UNIT(m);
+
+ assert(m);
+ assert(name);
+ assert(message);
+
+ flags |= UNIT_PRIVATE;
+
+ if (streq(name, "Where"))
+ return bus_set_transient_path(u, name, &m->where, message, flags, error);
+
+ if (streq(name, "What"))
+ return bus_set_transient_string(u, name, &m->parameters_fragment.what, message, flags, error);
+
+ if (streq(name, "Options"))
+ return bus_set_transient_string(u, name, &m->parameters_fragment.options, message, flags, error);
+
+ if (streq(name, "Type"))
+ return bus_set_transient_string(u, name, &m->parameters_fragment.fstype, message, flags, error);
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
- return -ENOMEM;
+ if (streq(name, "TimeoutUSec"))
+ return bus_set_transient_usec_fix_0(u, name, &m->timeout_usec, message, flags, error);
+
+ if (streq(name, "DirectoryMode"))
+ return bus_set_transient_mode_t(u, name, &m->directory_mode, message, flags, error);
+
+ if (streq(name, "SloppyOptions"))
+ return bus_set_transient_bool(u, name, &m->sloppy_options, message, flags, error);
+
+ if (streq(name, "LazyUnmount"))
+ return bus_set_transient_bool(u, name, &m->lazy_unmount, message, flags, error);
+
+ if (streq(name, "ForceUnmount"))
+ return bus_set_transient_bool(u, name, &m->force_unmount, message, flags, error);
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, }
-};
+int bus_mount_set_property(
+ Unit *u,
+ const char *name,
+ sd_bus_message *message,
+ UnitWriteFlags flags,
+ sd_bus_error *error) {
-DBusHandlerResult bus_mount_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
Mount *m = MOUNT(u);
+ int r;
- 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_unit_cgroup_properties, u },
- { NULL, }
- };
+ assert(m);
+ assert(name);
+ assert(message);
+
+ r = bus_cgroup_set_property(u, &m->cgroup_context, name, message, flags, error);
+ if (r != 0)
+ return r;
+
+ if (u->transient && u->load_state == UNIT_STUB) {
+ /* This is a transient unit, let's load a little more */
- SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
+ r = bus_mount_set_transient_property(m, name, message, flags, error);
+ if (r != 0)
+ return r;
- return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps );
+ r = bus_exec_context_set_transient_property(u, &m->exec_context, name, message, flags, error);
+ if (r != 0)
+ return r;
+
+ r = bus_kill_context_set_transient_property(u, &m->kill_context, name, message, flags, error);
+ if (r != 0)
+ return r;
+ }
+
+ return 0;
+}
+
+int bus_mount_commit_properties(Unit *u) {
+ assert(u);
+
+ unit_update_cgroup_members_masks(u);
+ unit_realize_cgroup(u);
+
+ return 0;
}