1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
3 #include "bus-get-properties.h"
4 #include "dbus-cgroup.h"
5 #include "dbus-execute.h"
7 #include "dbus-mount.h"
9 #include "fstab-util.h"
11 #include "string-util.h"
15 static int property_get_what(
18 const char *interface
,
20 sd_bus_message
*reply
,
22 sd_bus_error
*error
) {
24 _cleanup_free_
char *escaped
= NULL
;
25 Mount
*m
= ASSERT_PTR(userdata
);
30 escaped
= mount_get_what_escaped(m
);
34 return sd_bus_message_append_basic(reply
, 's', escaped
);
37 static int property_get_options(
40 const char *interface
,
42 sd_bus_message
*reply
,
44 sd_bus_error
*error
) {
46 _cleanup_free_
char *escaped
= NULL
;
47 Mount
*m
= ASSERT_PTR(userdata
);
52 escaped
= mount_get_options_escaped(m
);
56 return sd_bus_message_append_basic(reply
, 's', escaped
);
59 static BUS_DEFINE_PROPERTY_GET(property_get_type
, "s", Mount
, mount_get_fstype
);
60 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result
, mount_result
, MountResult
);
62 const sd_bus_vtable bus_mount_vtable
[] = {
63 SD_BUS_VTABLE_START(0),
64 SD_BUS_PROPERTY("Where", "s", NULL
, offsetof(Mount
, where
), SD_BUS_VTABLE_PROPERTY_CONST
),
65 SD_BUS_PROPERTY("What", "s", property_get_what
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
66 SD_BUS_PROPERTY("Options","s", property_get_options
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
67 SD_BUS_PROPERTY("Type", "s", property_get_type
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
68 SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec
, offsetof(Mount
, timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
69 SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid
, offsetof(Mount
, control_pid
.pid
), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
70 SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode
, offsetof(Mount
, directory_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
71 SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool
, offsetof(Mount
, sloppy_options
), SD_BUS_VTABLE_PROPERTY_CONST
),
72 SD_BUS_PROPERTY("LazyUnmount", "b", bus_property_get_bool
, offsetof(Mount
, lazy_unmount
), SD_BUS_VTABLE_PROPERTY_CONST
),
73 SD_BUS_PROPERTY("ForceUnmount", "b", bus_property_get_bool
, offsetof(Mount
, force_unmount
), SD_BUS_VTABLE_PROPERTY_CONST
),
74 SD_BUS_PROPERTY("ReadWriteOnly", "b", bus_property_get_bool
, offsetof(Mount
, read_write_only
), SD_BUS_VTABLE_PROPERTY_CONST
),
75 SD_BUS_PROPERTY("Result", "s", property_get_result
, offsetof(Mount
, result
), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
76 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid
, offsetof(Unit
, ref_uid
), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
77 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid
, offsetof(Unit
, ref_gid
), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
78 BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount
, exec_command
[MOUNT_EXEC_MOUNT
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
79 BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount
, exec_command
[MOUNT_EXEC_UNMOUNT
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
80 BUS_EXEC_COMMAND_VTABLE("ExecRemount", offsetof(Mount
, exec_command
[MOUNT_EXEC_REMOUNT
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
84 static int bus_mount_set_transient_property(
87 sd_bus_message
*message
,
89 sd_bus_error
*error
) {
98 flags
|= UNIT_PRIVATE
;
100 if (streq(name
, "Where"))
101 return bus_set_transient_path(u
, name
, &m
->where
, message
, flags
, error
);
103 if (streq(name
, "What")) {
104 _cleanup_free_
char *path
= NULL
;
107 r
= sd_bus_message_read(message
, "s", &v
);
112 path
= fstab_node_to_udev_node(v
);
116 /* path_is_valid is not used - see the comment for config_parse_mount_node */
117 if (strlen(path
) >= PATH_MAX
)
118 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Resolved What=%s too long", path
);
121 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
122 free_and_replace(m
->parameters_fragment
.what
, path
);
123 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "What=%s", strempty(m
->parameters_fragment
.what
));
129 if (streq(name
, "Options"))
130 return bus_set_transient_string(u
, name
, &m
->parameters_fragment
.options
, message
, flags
, error
);
132 if (streq(name
, "Type"))
133 return bus_set_transient_string(u
, name
, &m
->parameters_fragment
.fstype
, message
, flags
, error
);
135 if (streq(name
, "TimeoutUSec"))
136 return bus_set_transient_usec_fix_0(u
, name
, &m
->timeout_usec
, message
, flags
, error
);
138 if (streq(name
, "DirectoryMode"))
139 return bus_set_transient_mode_t(u
, name
, &m
->directory_mode
, message
, flags
, error
);
141 if (streq(name
, "SloppyOptions"))
142 return bus_set_transient_bool(u
, name
, &m
->sloppy_options
, message
, flags
, error
);
144 if (streq(name
, "LazyUnmount"))
145 return bus_set_transient_bool(u
, name
, &m
->lazy_unmount
, message
, flags
, error
);
147 if (streq(name
, "ForceUnmount"))
148 return bus_set_transient_bool(u
, name
, &m
->force_unmount
, message
, flags
, error
);
150 if (streq(name
, "ReadWriteOnly"))
151 return bus_set_transient_bool(u
, name
, &m
->read_write_only
, message
, flags
, error
);
156 int bus_mount_set_property(
159 sd_bus_message
*message
,
160 UnitWriteFlags flags
,
161 sd_bus_error
*error
) {
170 r
= bus_cgroup_set_property(u
, &m
->cgroup_context
, name
, message
, flags
, error
);
174 if (u
->transient
&& u
->load_state
== UNIT_STUB
) {
175 /* This is a transient unit, let's load a little more */
177 r
= bus_mount_set_transient_property(m
, name
, message
, flags
, error
);
181 r
= bus_exec_context_set_transient_property(u
, &m
->exec_context
, name
, message
, flags
, error
);
185 r
= bus_kill_context_set_transient_property(u
, &m
->kill_context
, name
, message
, flags
, error
);
193 int bus_mount_commit_properties(Unit
*u
) {
196 unit_realize_cgroup(u
);