Line data    Source code

       1             : /* SPDX-License-Identifier: LGPL-2.1+ */
       2             : 
       3             : #include "bus-util.h"
       4             : #include "dbus-cgroup.h"
       5             : #include "dbus-execute.h"
       6             : #include "dbus-kill.h"
       7             : #include "dbus-mount.h"
       8             : #include "dbus-util.h"
       9             : #include "mount.h"
      10             : #include "string-util.h"
      11             : #include "unit.h"
      12             : 
      13           0 : static const char *mount_get_what(const Mount *m) {
      14           0 :         if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
      15           0 :                 return m->parameters_proc_self_mountinfo.what;
      16           0 :         if (m->from_fragment && m->parameters_fragment.what)
      17           0 :                 return m->parameters_fragment.what;
      18           0 :         return NULL;
      19             : }
      20             : 
      21           0 : static const char *mount_get_options(const Mount *m) {
      22           0 :         if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options)
      23           0 :                 return m->parameters_proc_self_mountinfo.options;
      24           0 :         if (m->from_fragment && m->parameters_fragment.options)
      25           0 :                 return m->parameters_fragment.options;
      26           0 :         return NULL;
      27             : }
      28             : 
      29           0 : static const char *mount_get_fstype(const Mount *m) {
      30           0 :         if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype)
      31           0 :                 return m->parameters_proc_self_mountinfo.fstype;
      32           0 :         else if (m->from_fragment && m->parameters_fragment.fstype)
      33           0 :                 return m->parameters_fragment.fstype;
      34           0 :         return NULL;
      35             : }
      36             : 
      37           0 : static BUS_DEFINE_PROPERTY_GET(property_get_what, "s", Mount, mount_get_what);
      38           0 : static BUS_DEFINE_PROPERTY_GET(property_get_options, "s", Mount, mount_get_options);
      39           0 : static BUS_DEFINE_PROPERTY_GET(property_get_type, "s", Mount, mount_get_fstype);
      40           0 : static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, mount_result, MountResult);
      41             : 
      42             : const sd_bus_vtable bus_mount_vtable[] = {
      43             :         SD_BUS_VTABLE_START(0),
      44             :         SD_BUS_PROPERTY("Where", "s", NULL, offsetof(Mount, where), SD_BUS_VTABLE_PROPERTY_CONST),
      45             :         SD_BUS_PROPERTY("What", "s", property_get_what, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
      46             :         SD_BUS_PROPERTY("Options","s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
      47             :         SD_BUS_PROPERTY("Type", "s", property_get_type, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
      48             :         SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Mount, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
      49             :         SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
      50             :         SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
      51             :         SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST),
      52             :         SD_BUS_PROPERTY("LazyUnmount", "b", bus_property_get_bool, offsetof(Mount, lazy_unmount), SD_BUS_VTABLE_PROPERTY_CONST),
      53             :         SD_BUS_PROPERTY("ForceUnmount", "b", bus_property_get_bool, offsetof(Mount, force_unmount), SD_BUS_VTABLE_PROPERTY_CONST),
      54             :         SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
      55             :         SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
      56             :         SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
      57             :         BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
      58             :         BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
      59             :         BUS_EXEC_COMMAND_VTABLE("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
      60             :         SD_BUS_VTABLE_END
      61             : };
      62             : 
      63           0 : static int bus_mount_set_transient_property(
      64             :                 Mount *m,
      65             :                 const char *name,
      66             :                 sd_bus_message *message,
      67             :                 UnitWriteFlags flags,
      68             :                 sd_bus_error *error) {
      69             : 
      70           0 :         Unit *u = UNIT(m);
      71             : 
      72           0 :         assert(m);
      73           0 :         assert(name);
      74           0 :         assert(message);
      75             : 
      76           0 :         flags |= UNIT_PRIVATE;
      77             : 
      78           0 :         if (streq(name, "Where"))
      79           0 :                 return bus_set_transient_path(u, name, &m->where, message, flags, error);
      80             : 
      81           0 :         if (streq(name, "What"))
      82           0 :                 return bus_set_transient_string(u, name, &m->parameters_fragment.what, message, flags, error);
      83             : 
      84           0 :         if (streq(name, "Options"))
      85           0 :                 return bus_set_transient_string(u, name, &m->parameters_fragment.options, message, flags, error);
      86             : 
      87           0 :         if (streq(name, "Type"))
      88           0 :                 return bus_set_transient_string(u, name, &m->parameters_fragment.fstype, message, flags, error);
      89             : 
      90           0 :         if (streq(name, "TimeoutUSec"))
      91           0 :                 return bus_set_transient_usec_fix_0(u, name, &m->timeout_usec, message, flags, error);
      92             : 
      93           0 :         if (streq(name, "DirectoryMode"))
      94           0 :                 return bus_set_transient_mode_t(u, name, &m->directory_mode, message, flags, error);
      95             : 
      96           0 :         if (streq(name, "SloppyOptions"))
      97           0 :                 return bus_set_transient_bool(u, name, &m->sloppy_options, message, flags, error);
      98             : 
      99           0 :         if (streq(name, "LazyUnmount"))
     100           0 :                 return bus_set_transient_bool(u, name, &m->lazy_unmount, message, flags, error);
     101             : 
     102           0 :         if (streq(name, "ForceUnmount"))
     103           0 :                 return bus_set_transient_bool(u, name, &m->force_unmount, message, flags, error);
     104             : 
     105           0 :         return 0;
     106             : }
     107             : 
     108           0 : int bus_mount_set_property(
     109             :                 Unit *u,
     110             :                 const char *name,
     111             :                 sd_bus_message *message,
     112             :                 UnitWriteFlags flags,
     113             :                 sd_bus_error *error) {
     114             : 
     115           0 :         Mount *m = MOUNT(u);
     116             :         int r;
     117             : 
     118           0 :         assert(m);
     119           0 :         assert(name);
     120           0 :         assert(message);
     121             : 
     122           0 :         r = bus_cgroup_set_property(u, &m->cgroup_context, name, message, flags, error);
     123           0 :         if (r != 0)
     124           0 :                 return r;
     125             : 
     126           0 :         if (u->transient && u->load_state == UNIT_STUB) {
     127             :                 /* This is a transient unit, let's load a little more */
     128             : 
     129           0 :                 r = bus_mount_set_transient_property(m, name, message, flags, error);
     130           0 :                 if (r != 0)
     131           0 :                         return r;
     132             : 
     133           0 :                 r = bus_exec_context_set_transient_property(u, &m->exec_context, name, message, flags, error);
     134           0 :                 if (r != 0)
     135           0 :                         return r;
     136             : 
     137           0 :                 r = bus_kill_context_set_transient_property(u, &m->kill_context, name, message, flags, error);
     138           0 :                 if (r != 0)
     139           0 :                         return r;
     140             :         }
     141             : 
     142           0 :         return 0;
     143             : }
     144             : 
     145           0 : int bus_mount_commit_properties(Unit *u) {
     146           0 :         assert(u);
     147             : 
     148           0 :         unit_invalidate_cgroup_members_masks(u);
     149           0 :         unit_realize_cgroup(u);
     150             : 
     151           0 :         return 0;
     152             : }