157 lines
6.7 KiB
C
157 lines
6.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include "bus-get-properties.h"
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#include "dbus-cgroup.h"
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#include "dbus-execute.h"
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#include "dbus-kill.h"
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#include "dbus-mount.h"
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#include "dbus-util.h"
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#include "mount.h"
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#include "string-util.h"
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#include "unit.h"
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static const char *mount_get_what(const Mount *m) {
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if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
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return m->parameters_proc_self_mountinfo.what;
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if (m->from_fragment && m->parameters_fragment.what)
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return m->parameters_fragment.what;
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return NULL;
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}
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static const char *mount_get_options(const Mount *m) {
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if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options)
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return m->parameters_proc_self_mountinfo.options;
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if (m->from_fragment && m->parameters_fragment.options)
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return m->parameters_fragment.options;
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return NULL;
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}
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static const char *mount_get_fstype(const Mount *m) {
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if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype)
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return m->parameters_proc_self_mountinfo.fstype;
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else if (m->from_fragment && m->parameters_fragment.fstype)
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return m->parameters_fragment.fstype;
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return NULL;
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}
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static BUS_DEFINE_PROPERTY_GET(property_get_what, "s", Mount, mount_get_what);
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static BUS_DEFINE_PROPERTY_GET(property_get_options, "s", Mount, mount_get_options);
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static BUS_DEFINE_PROPERTY_GET(property_get_type, "s", Mount, mount_get_fstype);
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static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, mount_result, MountResult);
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const sd_bus_vtable bus_mount_vtable[] = {
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SD_BUS_VTABLE_START(0),
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SD_BUS_PROPERTY("Where", "s", NULL, offsetof(Mount, where), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("What", "s", property_get_what, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("Options","s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("Type", "s", property_get_type, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Mount, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("LazyUnmount", "b", bus_property_get_bool, offsetof(Mount, lazy_unmount), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("ForceUnmount", "b", bus_property_get_bool, offsetof(Mount, force_unmount), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("ReadWriteOnly", "b", bus_property_get_bool, offsetof(Mount, read_write_only), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
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BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
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BUS_EXEC_COMMAND_VTABLE("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
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SD_BUS_VTABLE_END
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};
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static int bus_mount_set_transient_property(
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Mount *m,
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const char *name,
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sd_bus_message *message,
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UnitWriteFlags flags,
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sd_bus_error *error) {
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Unit *u = UNIT(m);
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assert(m);
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assert(name);
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assert(message);
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flags |= UNIT_PRIVATE;
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if (streq(name, "Where"))
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return bus_set_transient_path(u, name, &m->where, message, flags, error);
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if (streq(name, "What"))
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return bus_set_transient_string(u, name, &m->parameters_fragment.what, message, flags, error);
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if (streq(name, "Options"))
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return bus_set_transient_string(u, name, &m->parameters_fragment.options, message, flags, error);
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if (streq(name, "Type"))
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return bus_set_transient_string(u, name, &m->parameters_fragment.fstype, message, flags, error);
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if (streq(name, "TimeoutUSec"))
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return bus_set_transient_usec_fix_0(u, name, &m->timeout_usec, message, flags, error);
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if (streq(name, "DirectoryMode"))
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return bus_set_transient_mode_t(u, name, &m->directory_mode, message, flags, error);
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if (streq(name, "SloppyOptions"))
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return bus_set_transient_bool(u, name, &m->sloppy_options, message, flags, error);
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if (streq(name, "LazyUnmount"))
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return bus_set_transient_bool(u, name, &m->lazy_unmount, message, flags, error);
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if (streq(name, "ForceUnmount"))
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return bus_set_transient_bool(u, name, &m->force_unmount, message, flags, error);
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if (streq(name, "ReadWriteOnly"))
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return bus_set_transient_bool(u, name, &m->read_write_only, message, flags, error);
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return 0;
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}
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int bus_mount_set_property(
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Unit *u,
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const char *name,
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sd_bus_message *message,
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UnitWriteFlags flags,
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sd_bus_error *error) {
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Mount *m = MOUNT(u);
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int r;
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assert(m);
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assert(name);
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assert(message);
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r = bus_cgroup_set_property(u, &m->cgroup_context, name, message, flags, error);
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if (r != 0)
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return r;
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if (u->transient && u->load_state == UNIT_STUB) {
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/* This is a transient unit, let's load a little more */
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r = bus_mount_set_transient_property(m, name, message, flags, error);
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if (r != 0)
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return r;
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r = bus_exec_context_set_transient_property(u, &m->exec_context, name, message, flags, error);
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if (r != 0)
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return r;
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r = bus_kill_context_set_transient_property(u, &m->kill_context, name, message, flags, error);
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if (r != 0)
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return r;
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}
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return 0;
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}
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int bus_mount_commit_properties(Unit *u) {
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assert(u);
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unit_invalidate_cgroup_members_masks(u);
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unit_realize_cgroup(u);
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return 0;
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}
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