| /* 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 "bus-util.h" |
| #include "dbus-cgroup.h" |
| #include "dbus-execute.h" |
| #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; |
| |
| return sd_bus_message_append(reply, "s", 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) { |
| |
| 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; |
| |
| return sd_bus_message_append(reply, "s", 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) { |
| |
| 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) |
| fstype = m->parameters_proc_self_mountinfo.fstype; |
| else if (m->from_fragment && m->parameters_fragment.fstype) |
| 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 (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; |
| } |
| |
| int bus_mount_set_property( |
| Unit *u, |
| const char *name, |
| sd_bus_message *message, |
| UnitWriteFlags flags, |
| sd_bus_error *error) { |
| |
| Mount *m = MOUNT(u); |
| int r; |
| |
| 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 */ |
| |
| r = bus_mount_set_transient_property(m, name, message, flags, error); |
| if (r != 0) |
| return r; |
| |
| 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; |
| } |