/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include "alloc-util.h" #include "bus-get-properties.h" #include "dbus-path.h" #include "dbus-util.h" #include "list.h" #include "path.h" #include "path-util.h" #include "string-util.h" #include "unit.h" static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, path_result, PathResult); static int property_get_paths( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Path *p = userdata; PathSpec *k; int r; assert(bus); assert(reply); assert(p); r = sd_bus_message_open_container(reply, 'a', "(ss)"); if (r < 0) return r; LIST_FOREACH(spec, k, p->specs) { r = sd_bus_message_append(reply, "(ss)", path_type_to_string(k->type), k->path); if (r < 0) return r; } return sd_bus_message_close_container(reply); } const sd_bus_vtable bus_path_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("Unit", "s", bus_property_get_triggered_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Paths", "a(ss)", property_get_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("MakeDirectory", "b", bus_property_get_bool, offsetof(Path, make_directory), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Path, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Path, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("TriggerLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Path, trigger_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("TriggerLimitBurst", "u", bus_property_get_unsigned, offsetof(Path, trigger_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_VTABLE_END }; static int bus_path_set_transient_property( Path *p, const char *name, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) { Unit *u = UNIT(p); int r; assert(p); assert(name); assert(message); flags |= UNIT_PRIVATE; if (streq(name, "MakeDirectory")) return bus_set_transient_bool(u, name, &p->make_directory, message, flags, error); if (streq(name, "DirectoryMode")) return bus_set_transient_mode_t(u, name, &p->directory_mode, message, flags, error); if (streq(name, "Paths")) { const char *type_name, *path; bool empty = true; r = sd_bus_message_enter_container(message, 'a', "(ss)"); if (r < 0) return r; while ((r = sd_bus_message_read(message, "(ss)", &type_name, &path)) > 0) { PathType t; t = path_type_from_string(type_name); if (t < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown path type: %s", type_name); if (isempty(path)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path in %s is empty", type_name); if (!path_is_absolute(path)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path in %s is not absolute: %s", type_name, path); if (!UNIT_WRITE_FLAGS_NOOP(flags)) { _cleanup_free_ char *k = NULL; PathSpec *s; k = strdup(path); if (!k) return -ENOMEM; path_simplify(k); s = new0(PathSpec, 1); if (!s) return -ENOMEM; s->unit = u; s->path = TAKE_PTR(k); s->type = t; s->inotify_fd = -1; LIST_PREPEND(spec, p->specs, s); unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", type_name, path); } empty = false; } if (r < 0) return r; r = sd_bus_message_exit_container(message); if (r < 0) return r; if (!UNIT_WRITE_FLAGS_NOOP(flags) && empty) { path_free_specs(p); unit_write_settingf(u, flags, name, "PathExists="); } return 1; } if (streq(name, "TriggerLimitBurst")) return bus_set_transient_unsigned(u, name, &p->trigger_limit.burst, message, flags, error); if (streq(name, "TriggerLimitIntervalUSec")) return bus_set_transient_usec(u, name, &p->trigger_limit.interval, message, flags, error); return 0; } int bus_path_set_property( Unit *u, const char *name, sd_bus_message *message, UnitWriteFlags mode, sd_bus_error *error) { Path *p = PATH(u); assert(p); assert(name); assert(message); if (u->transient && u->load_state == UNIT_STUB) return bus_path_set_transient_property(p, name, message, mode, error); return 0; }