/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include #include #include #include "alloc-util.h" #include "architecture.h" #include "build.h" #include "bus-common-errors.h" #include "bus-get-properties.h" #include "bus-log-control-api.h" #include "dbus-cgroup.h" #include "dbus-execute.h" #include "dbus-job.h" #include "dbus-manager.h" #include "dbus-scope.h" #include "dbus-service.h" #include "dbus-unit.h" #include "dbus.h" #include "env-util.h" #include "fd-util.h" #include "fileio.h" #include "format-util.h" #include "fs-util.h" #include "install.h" #include "log.h" #include "os-util.h" #include "parse-util.h" #include "path-util.h" #include "selinux-access.h" #include "stat-util.h" #include "string-util.h" #include "strv.h" #include "syslog-util.h" #include "user-util.h" #include "virt.h" #include "watchdog.h" /* Require 16MiB free in /run/systemd for reloading/reexecing. After all we need to serialize our state there, and if * we can't we'll fail badly. */ #define RELOAD_DISK_SPACE_MIN (UINT64_C(16) * UINT64_C(1024) * UINT64_C(1024)) static UnitFileFlags unit_file_bools_to_flags(bool runtime, bool force) { return (runtime ? UNIT_FILE_RUNTIME : 0) | (force ? UNIT_FILE_FORCE : 0); } BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_oom_policy, oom_policy, OOMPolicy); static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_version, "s", GIT_VERSION); static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_features, "s", systemd_features); static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_architecture, "s", architecture_to_string(uname_architecture())); static BUS_DEFINE_PROPERTY_GET2(property_get_system_state, "s", Manager, manager_state, manager_state_to_string); static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_timer_slack_nsec, "t", (uint64_t) prctl(PR_GET_TIMERSLACK)); static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "u", Hashmap *, hashmap_size); static BUS_DEFINE_PROPERTY_GET_REF(property_get_set_size, "u", Set *, set_size); static BUS_DEFINE_PROPERTY_GET(property_get_default_timeout_abort_usec, "t", Manager, manager_default_timeout_abort_usec); static int property_get_virtualization( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { int v; assert(bus); assert(reply); v = detect_virtualization(); /* Make sure to return the empty string when we detect no virtualization, as that is the API. * * https://github.com/systemd/systemd/issues/1423 */ return sd_bus_message_append( reply, "s", v == VIRTUALIZATION_NONE ? NULL : virtualization_to_string(v)); } static int property_get_tainted( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_free_ char *s = NULL; Manager *m = userdata; assert(bus); assert(reply); assert(m); s = manager_taint_string(m); if (!s) return log_oom(); return sd_bus_message_append(reply, "s", s); } static int property_set_log_target( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *t; int r; assert(bus); assert(value); r = sd_bus_message_read(value, "s", &t); if (r < 0) return r; if (isempty(t)) manager_restore_original_log_target(m); else { LogTarget target; target = log_target_from_string(t); if (target < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log target '%s'", t); manager_override_log_target(m, target); } return 0; } static int property_set_log_level( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *t; int r; assert(bus); assert(value); r = sd_bus_message_read(value, "s", &t); if (r < 0) return r; if (isempty(t)) manager_restore_original_log_level(m); else { int level; level = log_level_from_string(t); if (level < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log level '%s'", t); manager_override_log_level(m, level); } return 0; } static int property_get_progress( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; double d; assert(bus); assert(reply); assert(m); if (MANAGER_IS_FINISHED(m)) d = 1.0; else d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs); return sd_bus_message_append(reply, "d", d); } static int property_get_environment( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; Manager *m = userdata; int r; assert(bus); assert(reply); assert(m); r = manager_get_effective_environment(m, &l); if (r < 0) return r; return sd_bus_message_append_strv(reply, l); } static int property_get_show_status( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(m); assert(bus); assert(reply); return sd_bus_message_append(reply, "b", manager_get_show_status_on(m)); } static int property_get_runtime_watchdog( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(m); assert(bus); assert(reply); return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_RUNTIME)); } static int property_get_reboot_watchdog( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(m); assert(bus); assert(reply); return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_REBOOT)); } static int property_get_kexec_watchdog( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(m); assert(bus); assert(reply); return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_KEXEC)); } static int property_set_watchdog(Manager *m, WatchdogType type, sd_bus_message *value) { usec_t timeout; int r; assert(m); assert(value); assert_cc(sizeof(usec_t) == sizeof(uint64_t)); r = sd_bus_message_read(value, "t", &timeout); if (r < 0) return r; return manager_override_watchdog(m, type, timeout); } static int property_set_runtime_watchdog( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error) { return property_set_watchdog(userdata, WATCHDOG_RUNTIME, value); } static int property_set_reboot_watchdog( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error) { return property_set_watchdog(userdata, WATCHDOG_REBOOT, value); } static int property_set_kexec_watchdog( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error) { _unused_ Manager *m = userdata; assert(m); assert(bus); assert(value); return property_set_watchdog(userdata, WATCHDOG_KEXEC, value); } static int bus_get_unit_by_name(Manager *m, sd_bus_message *message, const char *name, Unit **ret_unit, sd_bus_error *error) { Unit *u; int r; assert(m); assert(message); assert(ret_unit); /* More or less a wrapper around manager_get_unit() that generates nice errors and has one trick up its sleeve: * if the name is specified empty we use the client's unit. */ if (isempty(name)) { _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; pid_t pid; r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); if (r < 0) return r; r = sd_bus_creds_get_pid(creds, &pid); if (r < 0) return r; u = manager_get_unit_by_pid(m, pid); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Client not member of any unit."); } else { u = manager_get_unit(m, name); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", name); } *ret_unit = u; return 0; } static int bus_load_unit_by_name(Manager *m, sd_bus_message *message, const char *name, Unit **ret_unit, sd_bus_error *error) { assert(m); assert(message); assert(ret_unit); /* Pretty much the same as bus_get_unit_by_name(), but we also load the unit if necessary. */ if (isempty(name)) return bus_get_unit_by_name(m, message, name, ret_unit, error); return manager_load_unit(m, name, NULL, error, ret_unit); } static int reply_unit_path(Unit *u, sd_bus_message *message, sd_bus_error *error) { _cleanup_free_ char *path = NULL; int r; assert(u); assert(message); r = mac_selinux_unit_access_check(u, message, "status", error); if (r < 0) return r; path = unit_dbus_path(u); if (!path) return log_oom(); return sd_bus_reply_method_return(message, "o", path); } static int method_get_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); /* Anyone can call this method */ r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = bus_get_unit_by_name(m, message, name, &u, error); if (r < 0) return r; return reply_unit_path(u, message, error); } static int method_get_unit_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; pid_t pid; Unit *u; int r; assert(message); assert(m); assert_cc(sizeof(pid_t) == sizeof(uint32_t)); /* Anyone can call this method */ r = sd_bus_message_read(message, "u", &pid); if (r < 0) return r; if (pid < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PID " PID_FMT, pid); if (pid == 0) { _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); if (r < 0) return r; r = sd_bus_creds_get_pid(creds, &pid); if (r < 0) return r; } u = manager_get_unit_by_pid(m, pid); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID "PID_FMT" does not belong to any loaded unit.", pid); return reply_unit_path(u, message, error); } static int method_get_unit_by_invocation_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *path = NULL; Manager *m = userdata; sd_id128_t id; const void *a; Unit *u; size_t sz; int r; assert(message); assert(m); /* Anyone can call this method */ r = sd_bus_message_read_array(message, 'y', &a, &sz); if (r < 0) return r; if (sz == 0) id = SD_ID128_NULL; else if (sz == 16) memcpy(&id, a, sz); else return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid invocation ID"); if (sd_id128_is_null(id)) { _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; pid_t pid; r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); if (r < 0) return r; r = sd_bus_creds_get_pid(creds, &pid); if (r < 0) return r; u = manager_get_unit_by_pid(m, pid); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Client " PID_FMT " not member of any unit.", pid); } else { u = hashmap_get(m->units_by_invocation_id, &id); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_INVOCATION_ID, "No unit with the specified invocation ID " SD_ID128_FORMAT_STR " known.", SD_ID128_FORMAT_VAL(id)); } r = mac_selinux_unit_access_check(u, message, "status", error); if (r < 0) return r; /* So here's a special trick: the bus path we return actually references the unit by its invocation ID instead * of the unit name. This means it stays valid only as long as the invocation ID stays the same. */ path = unit_dbus_path_invocation_id(u); if (!path) return -ENOMEM; return sd_bus_reply_method_return(message, "o", path); } static int method_get_unit_by_control_group(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *cgroup; Unit *u; int r; r = sd_bus_message_read(message, "s", &cgroup); if (r < 0) return r; u = manager_get_unit_by_cgroup(m, cgroup); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Control group '%s' is not valid or not managed by this instance", cgroup); return reply_unit_path(u, message, error); } static int method_load_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); /* Anyone can call this method */ r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = bus_load_unit_by_name(m, message, name, &u, error); if (r < 0) return r; return reply_unit_path(u, message, error); } static int method_start_unit_generic(sd_bus_message *message, Manager *m, JobType job_type, bool reload_if_possible, sd_bus_error *error) { const char *name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = manager_load_unit(m, name, NULL, error, &u); if (r < 0) return r; return bus_unit_method_start_generic(message, u, job_type, reload_if_possible, error); } static int method_start_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_START, false, error); } static int method_stop_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_STOP, false, error); } static int method_reload_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_RELOAD, false, error); } static int method_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_RESTART, false, error); } static int method_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, false, error); } static int method_reload_or_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_RESTART, true, error); } static int method_reload_or_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, true, error); } typedef enum GenericUnitOperationFlags { GENERIC_UNIT_LOAD = 1 << 0, /* Load if the unit is not loaded yet */ GENERIC_UNIT_VALIDATE_LOADED = 1 << 1, /* Verify unit is properly loaded before forwarding call */ } GenericUnitOperationFlags; static int method_generic_unit_operation( sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t handler, GenericUnitOperationFlags flags) { const char *name; Unit *u; int r; assert(message); assert(m); /* Read the first argument from the command and pass the operation to the specified per-unit * method. */ r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; if (!isempty(name) && FLAGS_SET(flags, GENERIC_UNIT_LOAD)) r = manager_load_unit(m, name, NULL, error, &u); else r = bus_get_unit_by_name(m, message, name, &u, error); if (r < 0) return r; if (FLAGS_SET(flags, GENERIC_UNIT_VALIDATE_LOADED)) { r = bus_unit_validate_load_state(u, error); if (r < 0) return r; } return handler(message, u, error); } static int method_enqueue_unit_job(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* We don't bother with GENERIC_UNIT_VALIDATE_LOADED here, as the job logic validates that anyway */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_enqueue_job, GENERIC_UNIT_LOAD); } static int method_start_unit_replace(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *old_name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &old_name); if (r < 0) return r; r = bus_get_unit_by_name(m, message, old_name, &u, error); if (r < 0) return r; if (!u->job || u->job->type != JOB_START) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name); return method_start_unit_generic(message, m, JOB_START, false, error); } static int method_kill_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* We don't bother with GENERIC_UNIT_LOAD nor GENERIC_UNIT_VALIDATE_LOADED here, as it shouldn't * matter whether a unit is loaded for killing any processes possibly in the unit's cgroup. */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_kill, 0); } static int method_clean_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Load the unit if necessary, in order to load it, and insist on the unit being loaded to be * cleaned */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_clean, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED); } static int method_freeze_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_generic_unit_operation(message, userdata, error, bus_unit_method_freeze, 0); } static int method_thaw_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_generic_unit_operation(message, userdata, error, bus_unit_method_thaw, 0); } static int method_reset_failed_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Don't load the unit (because unloaded units can't be in failed state), and don't insist on the * unit to be loaded properly (since a failed unit might have its unit file disappeared) */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_reset_failed, 0); } static int method_set_unit_properties(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Only change properties on fully loaded units, and load them in order to set properties */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_set_properties, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED); } static int method_bind_mount_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Only add mounts on fully loaded units */ return method_generic_unit_operation(message, userdata, error, bus_service_method_bind_mount, GENERIC_UNIT_VALIDATE_LOADED); } static int method_ref_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Only allow reffing of fully loaded units, and make sure reffing a unit loads it. */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_ref, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED); } static int method_unref_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Dropping a ref OTOH should not require the unit to still be loaded. And since a reffed unit is a * loaded unit there's no need to load the unit for unreffing it. */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_unref, 0); } static int reply_unit_info(sd_bus_message *reply, Unit *u) { _cleanup_free_ char *unit_path = NULL, *job_path = NULL; Unit *following; following = unit_following(u); unit_path = unit_dbus_path(u); if (!unit_path) return -ENOMEM; if (u->job) { job_path = job_dbus_path(u->job); if (!job_path) return -ENOMEM; } return sd_bus_message_append( reply, "(ssssssouso)", u->id, unit_description(u), unit_load_state_to_string(u->load_state), unit_active_state_to_string(unit_active_state(u)), unit_sub_state_to_string(u), following ? following->id : "", unit_path, u->job ? u->job->id : 0, u->job ? job_type_to_string(u->job->type) : "", empty_to_root(job_path)); } static int method_list_units_by_names(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; int r; char **unit; _cleanup_strv_free_ char **units = NULL; assert(message); assert(m); r = sd_bus_message_read_strv(message, &units); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)"); if (r < 0) return r; STRV_FOREACH(unit, units) { Unit *u; if (!unit_name_is_valid(*unit, UNIT_NAME_ANY)) continue; r = bus_load_unit_by_name(m, message, *unit, &u, error); if (r < 0) return r; r = reply_unit_info(reply, u); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); } static int method_get_unit_processes(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Don't load a unit (since it won't have any processes if it's not loaded), but don't insist on the * unit being loaded (because even improperly loaded units might still have processes around */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_get_processes, 0); } static int method_attach_processes_to_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { /* Don't allow attaching new processes to units that aren't loaded. Don't bother with loading a unit * for this purpose though, as an unloaded unit is a stopped unit, and we don't allow attaching * processes to stopped units anyway. */ return method_generic_unit_operation(message, userdata, error, bus_unit_method_attach_processes, GENERIC_UNIT_VALIDATE_LOADED); } static int transient_unit_from_message( Manager *m, sd_bus_message *message, const char *name, Unit **unit, sd_bus_error *error) { UnitType t; Unit *u; int r; assert(m); assert(message); assert(name); t = unit_name_to_type(name); if (t < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name or type."); if (!unit_vtable[t]->can_transient) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unit type %s does not support transient units.", unit_type_to_string(t)); r = manager_load_unit(m, name, NULL, error, &u); if (r < 0) return r; if (!unit_is_pristine(u)) return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "Unit %s already exists.", name); /* OK, the unit failed to load and is unreferenced, now let's * fill in the transient data instead */ r = unit_make_transient(u); if (r < 0) return r; /* Set our properties */ r = bus_unit_set_properties(u, message, UNIT_RUNTIME, false, error); if (r < 0) return r; /* If the client asked for it, automatically add a reference to this unit. */ if (u->bus_track_add) { r = bus_unit_track_add_sender(u, message); if (r < 0) return log_error_errno(r, "Failed to watch sender: %m"); } /* Now load the missing bits of the unit we just created */ unit_add_to_load_queue(u); manager_dispatch_load_queue(m); *unit = u; return 0; } static int transient_aux_units_from_message( Manager *m, sd_bus_message *message, sd_bus_error *error) { int r; assert(m); assert(message); r = sd_bus_message_enter_container(message, 'a', "(sa(sv))"); if (r < 0) return r; while ((r = sd_bus_message_enter_container(message, 'r', "sa(sv)")) > 0) { const char *name = NULL; Unit *u; r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = transient_unit_from_message(m, message, name, &u, error); if (r < 0) return r; r = sd_bus_message_exit_container(message); if (r < 0) return r; } if (r < 0) return r; r = sd_bus_message_exit_container(message); if (r < 0) return r; return 0; } static int method_start_transient_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *name, *smode; Manager *m = userdata; JobMode mode; Unit *u; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "start", error); if (r < 0) return r; r = sd_bus_message_read(message, "ss", &name, &smode); if (r < 0) return r; mode = job_mode_from_string(smode); if (mode < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s is invalid.", smode); r = bus_verify_manage_units_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = transient_unit_from_message(m, message, name, &u, error); if (r < 0) return r; r = transient_aux_units_from_message(m, message, error); if (r < 0) return r; /* Finally, start it */ return bus_unit_queue_job(message, u, JOB_START, mode, 0, error); } static int method_get_job(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *path = NULL; Manager *m = userdata; uint32_t id; Job *j; int r; assert(message); assert(m); /* Anyone can call this method */ r = sd_bus_message_read(message, "u", &id); if (r < 0) return r; j = manager_get_job(m, id); if (!j) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); r = mac_selinux_unit_access_check(j->unit, message, "status", error); if (r < 0) return r; path = job_dbus_path(j); if (!path) return -ENOMEM; return sd_bus_reply_method_return(message, "o", path); } static int method_cancel_job(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t id; Job *j; int r; assert(message); assert(m); r = sd_bus_message_read(message, "u", &id); if (r < 0) return r; j = manager_get_job(m, id); if (!j) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); return bus_job_method_cancel(message, j, error); } static int method_clear_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_manage_units_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ manager_clear_jobs(m); return sd_bus_reply_method_return(message, NULL); } static int method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_manage_units_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ manager_reset_failed(m); return sd_bus_reply_method_return(message, NULL); } static int list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; const char *k; Unit *u; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)"); if (r < 0) return r; HASHMAP_FOREACH_KEY(u, k, m->units) { if (k != u->id) continue; if (!strv_isempty(states) && !strv_contains(states, unit_load_state_to_string(u->load_state)) && !strv_contains(states, unit_active_state_to_string(unit_active_state(u))) && !strv_contains(states, unit_sub_state_to_string(u))) continue; if (!strv_isempty(patterns) && !strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE)) continue; r = reply_unit_info(reply, u); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); } static int method_list_units(sd_bus_message *message, void *userdata, sd_bus_error *error) { return list_units_filtered(message, userdata, error, NULL, NULL); } static int method_list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **states = NULL; int r; r = sd_bus_message_read_strv(message, &states); if (r < 0) return r; return list_units_filtered(message, userdata, error, states, NULL); } static int method_list_units_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **states = NULL; _cleanup_strv_free_ char **patterns = NULL; int r; r = sd_bus_message_read_strv(message, &states); if (r < 0) return r; r = sd_bus_message_read_strv(message, &patterns); if (r < 0) return r; return list_units_filtered(message, userdata, error, states, patterns); } static int method_list_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; Job *j; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "(usssoo)"); if (r < 0) return r; HASHMAP_FOREACH(j, m->jobs) { _cleanup_free_ char *unit_path = NULL, *job_path = NULL; job_path = job_dbus_path(j); if (!job_path) return -ENOMEM; unit_path = unit_dbus_path(j->unit); if (!unit_path) return -ENOMEM; r = sd_bus_message_append( reply, "(usssoo)", j->id, j->unit->id, job_type_to_string(j->type), job_state_to_string(j->state), job_path, unit_path); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); } static int method_subscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; if (sd_bus_message_get_bus(message) == m->api_bus) { /* Note that direct bus connection subscribe by * default, we only track peers on the API bus here */ if (!m->subscribed) { r = sd_bus_track_new(sd_bus_message_get_bus(message), &m->subscribed, NULL, NULL); if (r < 0) return r; } r = sd_bus_track_add_sender(m->subscribed, message); if (r < 0) return r; if (r == 0) return sd_bus_error_setf(error, BUS_ERROR_ALREADY_SUBSCRIBED, "Client is already subscribed."); } return sd_bus_reply_method_return(message, NULL); } static int method_unsubscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; if (sd_bus_message_get_bus(message) == m->api_bus) { r = sd_bus_track_remove_sender(m->subscribed, message); if (r < 0) return r; if (r == 0) return sd_bus_error_setf(error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed."); } return sd_bus_reply_method_return(message, NULL); } static int dump_impl(sd_bus_message *message, void *userdata, sd_bus_error *error, int (*reply)(sd_bus_message *, char *)) { _cleanup_free_ char *dump = NULL; Manager *m = userdata; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = manager_get_dump_string(m, &dump); if (r < 0) return r; return reply(message, dump); } static int reply_dump(sd_bus_message *message, char *dump) { return sd_bus_reply_method_return(message, "s", dump); } static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) { return dump_impl(message, userdata, error, reply_dump); } static int reply_dump_by_fd(sd_bus_message *message, char *dump) { _cleanup_close_ int fd = -1; fd = acquire_data_fd(dump, strlen(dump), 0); if (fd < 0) return fd; return sd_bus_reply_method_return(message, "h", fd); } static int method_dump_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) { return dump_impl(message, userdata, error, reply_dump_by_fd); } static int method_refuse_snapshot(sd_bus_message *message, void *userdata, sd_bus_error *error) { return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed."); } static int verify_run_space(const char *message, sd_bus_error *error) { struct statvfs svfs; uint64_t available; if (statvfs("/run/systemd", &svfs) < 0) return sd_bus_error_set_errnof(error, errno, "Failed to statvfs(/run/systemd): %m"); available = (uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize; if (available < RELOAD_DISK_SPACE_MIN) { char fb_available[FORMAT_BYTES_MAX], fb_need[FORMAT_BYTES_MAX]; return sd_bus_error_setf(error, BUS_ERROR_DISK_FULL, "%s, not enough space available on /run/systemd. " "Currently, %s are free, but a safety buffer of %s is enforced.", message, format_bytes(fb_available, sizeof(fb_available), available), format_bytes(fb_need, sizeof(fb_need), RELOAD_DISK_SPACE_MIN)); } return 0; } int verify_run_space_and_log(const char *message) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; int r; r = verify_run_space(message, &error); if (r < 0) return log_error_errno(r, "%s", bus_error_message(&error, r)); return 0; } static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = verify_run_space("Refusing to reload", error); if (r < 0) return r; r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_reload_daemon_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ /* Instead of sending the reply back right away, we just * remember that we need to and then send it after the reload * is finished. That way the caller knows when the reload * finished. */ assert(!m->pending_reload_message); r = sd_bus_message_new_method_return(message, &m->pending_reload_message); if (r < 0) return r; m->objective = MANAGER_RELOAD; return 1; } static int method_reexecute(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = verify_run_space("Refusing to reexecute", error); if (r < 0) return r; r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_reload_daemon_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ /* We don't send a reply back here, the client should * just wait for us disconnecting. */ m->objective = MANAGER_REEXECUTE; return 1; } static int method_exit(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "halt", error); if (r < 0) return r; /* Exit() (in contrast to SetExitCode()) is actually allowed even if * we are running on the host. It will fall back on reboot() in * systemd-shutdown if it cannot do the exit() because it isn't a * container. */ m->objective = MANAGER_EXIT; return sd_bus_reply_method_return(message, NULL); } static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reboot", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers."); m->objective = MANAGER_REBOOT; return sd_bus_reply_method_return(message, NULL); } static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "halt", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers."); m->objective = MANAGER_POWEROFF; return sd_bus_reply_method_return(message, NULL); } static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "halt", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Halt is only supported for system managers."); m->objective = MANAGER_HALT; return sd_bus_reply_method_return(message, NULL); } static int method_kexec(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reboot", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "KExec is only supported for system managers."); m->objective = MANAGER_KEXEC; return sd_bus_reply_method_return(message, NULL); } static int method_switch_root(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *ri = NULL, *rt = NULL; const char *root, *init; Manager *m = userdata; struct statvfs svfs; uint64_t available; int r; assert(message); assert(m); if (statvfs("/run/systemd", &svfs) < 0) return sd_bus_error_set_errnof(error, errno, "Failed to statvfs(/run/systemd): %m"); available = (uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize; if (available < RELOAD_DISK_SPACE_MIN) { char fb_available[FORMAT_BYTES_MAX], fb_need[FORMAT_BYTES_MAX]; log_warning("Dangerously low amount of free space on /run/systemd, root switching operation might not complete successfully. " "Currently, %s are free, but %s are suggested. Proceeding anyway.", format_bytes(fb_available, sizeof(fb_available), available), format_bytes(fb_need, sizeof(fb_need), RELOAD_DISK_SPACE_MIN)); } r = mac_selinux_access_check(message, "reboot", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Root switching is only supported by system manager."); r = sd_bus_message_read(message, "ss", &root, &init); if (r < 0) return r; if (isempty(root)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New root directory may not be the empty string."); if (!path_is_absolute(root)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New root path '%s' is not absolute.", root); if (path_equal(root, "/")) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New root directory cannot be the old root directory."); /* Safety check */ if (isempty(init)) { r = path_is_os_tree(root); if (r < 0) return sd_bus_error_set_errnof(error, r, "Failed to determine whether root path '%s' contains an OS tree: %m", root); if (r == 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified switch root path '%s' does not seem to be an OS tree. os-release file is missing.", root); } else { _cleanup_free_ char *chased = NULL; if (!path_is_absolute(init)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path to init binary '%s' not absolute.", init); r = chase_symlinks(init, root, CHASE_PREFIX_ROOT|CHASE_TRAIL_SLASH, &chased, NULL); if (r < 0) return sd_bus_error_set_errnof(error, r, "Could not resolve init executable %s: %m", init); if (laccess(chased, X_OK) < 0) { if (errno == EACCES) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Init binary %s is not executable.", init); return sd_bus_error_set_errnof(error, r, "Could not check whether init binary %s is executable: %m", init); } } rt = strdup(root); if (!rt) return -ENOMEM; if (!isempty(init)) { ri = strdup(init); if (!ri) return -ENOMEM; } free_and_replace(m->switch_root, rt); free_and_replace(m->switch_root_init, ri); m->objective = MANAGER_SWITCH_ROOT; return sd_bus_reply_method_return(message, NULL); } static int method_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **plus = NULL; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = sd_bus_message_read_strv(message, &plus); if (r < 0) return r; if (!strv_env_is_valid(plus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments"); r = bus_verify_set_environment_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = manager_client_environment_modify(m, NULL, plus); if (r < 0) return r; return sd_bus_reply_method_return(message, NULL); } static int method_unset_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **minus = NULL; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = sd_bus_message_read_strv(message, &minus); if (r < 0) return r; if (!strv_env_name_or_assignment_is_valid(minus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments"); r = bus_verify_set_environment_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = manager_client_environment_modify(m, minus, NULL); if (r < 0) return r; return sd_bus_reply_method_return(message, NULL); } static int method_unset_and_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **minus = NULL, **plus = NULL; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = sd_bus_message_read_strv(message, &minus); if (r < 0) return r; r = sd_bus_message_read_strv(message, &plus); if (r < 0) return r; if (!strv_env_name_or_assignment_is_valid(minus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments"); if (!strv_env_is_valid(plus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments"); r = bus_verify_set_environment_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = manager_client_environment_modify(m, minus, plus); if (r < 0) return r; return sd_bus_reply_method_return(message, NULL); } static int method_set_exit_code(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint8_t code; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "exit", error); if (r < 0) return r; r = sd_bus_message_read_basic(message, 'y', &code); if (r < 0) return r; if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "ExitCode can only be set for user service managers or in containers."); m->return_value = code; return sd_bus_reply_method_return(message, NULL); } static int method_lookup_dynamic_user_by_name(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; uid_t uid; int r; assert(message); assert(m); r = sd_bus_message_read_basic(message, 's', &name); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Dynamic users are only supported in the system instance."); if (!valid_user_group_name(name, VALID_USER_RELAX)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "User name invalid: %s", name); r = dynamic_user_lookup_name(m, name, &uid); if (r == -ESRCH) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER, "Dynamic user %s does not exist.", name); if (r < 0) return r; return sd_bus_reply_method_return(message, "u", (uint32_t) uid); } static int method_lookup_dynamic_user_by_uid(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *name = NULL; Manager *m = userdata; uid_t uid; int r; assert(message); assert(m); assert_cc(sizeof(uid_t) == sizeof(uint32_t)); r = sd_bus_message_read_basic(message, 'u', &uid); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Dynamic users are only supported in the system instance."); if (!uid_is_valid(uid)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "User ID invalid: " UID_FMT, uid); r = dynamic_user_lookup_uid(m, uid, &name); if (r == -ESRCH) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER, "Dynamic user ID " UID_FMT " does not exist.", uid); if (r < 0) return r; return sd_bus_reply_method_return(message, "s", name); } static int method_get_dynamic_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; DynamicUser *d; int r; assert(message); assert(m); assert_cc(sizeof(uid_t) == sizeof(uint32_t)); if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Dynamic users are only supported in the system instance."); r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "(us)"); if (r < 0) return r; HASHMAP_FOREACH(d, m->dynamic_users) { uid_t uid; r = dynamic_user_current(d, &uid); if (r == -EAGAIN) /* not realized yet? */ continue; if (r < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to look up a dynamic user."); r = sd_bus_message_append(reply, "(us)", uid, d->name); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); } static int list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; UnitFileList *item; Hashmap *h; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; h = hashmap_new(&string_hash_ops); if (!h) return -ENOMEM; r = unit_file_get_list(m->unit_file_scope, NULL, h, states, patterns); if (r < 0) goto fail; r = sd_bus_message_open_container(reply, 'a', "(ss)"); if (r < 0) goto fail; HASHMAP_FOREACH(item, h) { r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state)); if (r < 0) goto fail; } unit_file_list_free(h); r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); fail: unit_file_list_free(h); return r; } static int method_list_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return list_unit_files_by_patterns(message, userdata, error, NULL, NULL); } static int method_list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **states = NULL; _cleanup_strv_free_ char **patterns = NULL; int r; r = sd_bus_message_read_strv(message, &states); if (r < 0) return r; r = sd_bus_message_read_strv(message, &patterns); if (r < 0) return r; return list_unit_files_by_patterns(message, userdata, error, states, patterns); } static int method_get_unit_file_state(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; UnitFileState state; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = unit_file_get_state(m->unit_file_scope, NULL, name, &state); if (r < 0) return r; return sd_bus_reply_method_return(message, "s", unit_file_state_to_string(state)); } static int method_get_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *default_target = NULL; Manager *m = userdata; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = unit_file_get_default(m->unit_file_scope, NULL, &default_target); if (r < 0) return r; return sd_bus_reply_method_return(message, "s", default_target); } static int send_unit_files_changed(sd_bus *bus, void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL; int r; assert(bus); r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnitFilesChanged"); if (r < 0) return r; return sd_bus_send(bus, message, NULL); } /* Create an error reply, using the error information from changes[] * if possible, and fall back to generating an error from error code c. * The error message only describes the first error. * * Coordinate with unit_file_dump_changes() in install.c. */ static int install_error( sd_bus_error *error, int c, UnitFileChange *changes, size_t n_changes) { size_t i; int r; for (i = 0; i < n_changes; i++) switch(changes[i].type) { case 0 ... INT_MAX: continue; case -EEXIST: if (changes[i].source) r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "File %s already exists and is a symlink to %s.", changes[i].path, changes[i].source); else r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "File %s already exists.", changes[i].path); goto found; case -ERFKILL: r = sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED, "Unit file %s is masked.", changes[i].path); goto found; case -EADDRNOTAVAIL: r = sd_bus_error_setf(error, BUS_ERROR_UNIT_GENERATED, "Unit %s is transient or generated.", changes[i].path); goto found; case -EUCLEAN: r = sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, "\"%s\" is not a valid unit name.", changes[i].path); goto found; case -ELOOP: r = sd_bus_error_setf(error, BUS_ERROR_UNIT_LINKED, "Refusing to operate on alias name or linked unit file: %s", changes[i].path); goto found; case -ENOENT: r = sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit file %s does not exist.", changes[i].path); goto found; default: r = sd_bus_error_set_errnof(error, changes[i].type, "File %s: %m", changes[i].path); goto found; } r = c < 0 ? c : -EINVAL; found: unit_file_changes_free(changes, n_changes); return r; } static int reply_unit_file_changes_and_free( Manager *m, sd_bus_message *message, int carries_install_info, UnitFileChange *changes, size_t n_changes, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; bool bad = false, good = false; size_t i; int r; if (unit_file_changes_have_modification(changes, n_changes)) { r = bus_foreach_bus(m, NULL, send_unit_files_changed, NULL); if (r < 0) log_debug_errno(r, "Failed to send UnitFilesChanged signal: %m"); } r = sd_bus_message_new_method_return(message, &reply); if (r < 0) goto fail; if (carries_install_info >= 0) { r = sd_bus_message_append(reply, "b", carries_install_info); if (r < 0) goto fail; } r = sd_bus_message_open_container(reply, 'a', "(sss)"); if (r < 0) goto fail; for (i = 0; i < n_changes; i++) { if (changes[i].type < 0) { bad = true; continue; } r = sd_bus_message_append( reply, "(sss)", unit_file_change_type_to_string(changes[i].type), changes[i].path, changes[i].source); if (r < 0) goto fail; good = true; } /* If there was a failed change, and no successful change, then return the first failure as proper method call * error. */ if (bad && !good) return install_error(error, 0, changes, n_changes); r = sd_bus_message_close_container(reply); if (r < 0) goto fail; unit_file_changes_free(changes, n_changes); return sd_bus_send(NULL, reply, NULL); fail: unit_file_changes_free(changes, n_changes); return r; } static int method_enable_unit_files_generic( sd_bus_message *message, Manager *m, int (*call)(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, size_t *n_changes), bool carries_install_info, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; size_t n_changes = 0; UnitFileFlags flags; int r; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; if (sd_bus_message_is_method_call(message, NULL, "EnableUnitFilesWithFlags")) { uint64_t raw_flags; r = sd_bus_message_read(message, "t", &raw_flags); if (r < 0) return r; if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0) return -EINVAL; flags = raw_flags; } else { int runtime, force; r = sd_bus_message_read(message, "bb", &runtime, &force); if (r < 0) return r; flags = unit_file_bools_to_flags(runtime, force); } r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = call(m->unit_file_scope, flags, NULL, l, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, carries_install_info ? r : -1, changes, n_changes, error); } static int method_enable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error); } static int method_enable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error); } static int method_reenable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, unit_file_reenable, true, error); } static int method_link_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, unit_file_link, false, error); } static int unit_file_preset_without_mode(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char **files, UnitFileChange **changes, size_t *n_changes) { return unit_file_preset(scope, flags, root_dir, files, UNIT_FILE_PRESET_FULL, changes, n_changes); } static int method_preset_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, unit_file_preset_without_mode, true, error); } static int method_mask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, unit_file_mask, false, error); } static int method_preset_unit_files_with_mode(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; size_t n_changes = 0; Manager *m = userdata; UnitFilePresetMode mm; int runtime, force, r; UnitFileFlags flags; const char *mode; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force); if (r < 0) return r; flags = unit_file_bools_to_flags(runtime, force); if (isempty(mode)) mm = UNIT_FILE_PRESET_FULL; else { mm = unit_file_preset_mode_from_string(mode); if (mm < 0) return -EINVAL; } r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_preset(m->unit_file_scope, flags, NULL, l, mm, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, r, changes, n_changes, error); } static int method_disable_unit_files_generic( sd_bus_message *message, Manager *m, int (*call)(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, size_t *n_changes), sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; UnitFileFlags flags; size_t n_changes = 0; int r; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; if (sd_bus_message_is_method_call(message, NULL, "DisableUnitFilesWithFlags")) { uint64_t raw_flags; r = sd_bus_message_read(message, "t", &raw_flags); if (r < 0) return r; if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0 || FLAGS_SET(raw_flags, UNIT_FILE_FORCE)) return -EINVAL; flags = raw_flags; } else { int runtime; r = sd_bus_message_read(message, "b", &runtime); if (r < 0) return r; flags = unit_file_bools_to_flags(runtime, false); } r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = call(m->unit_file_scope, flags, NULL, l, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error); } static int method_disable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_disable_unit_files_generic(message, userdata, unit_file_disable, error); } static int method_disable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_disable_unit_files_generic(message, userdata, unit_file_disable, error); } static int method_unmask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_disable_unit_files_generic(message, userdata, unit_file_unmask, error); } static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; size_t n_changes = 0; Manager *m = userdata; int r; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_revert(m->unit_file_scope, NULL, l, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error); } static int method_set_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) { UnitFileChange *changes = NULL; size_t n_changes = 0; Manager *m = userdata; const char *name; int force, r; assert(message); assert(m); r = mac_selinux_access_check(message, "enable", error); if (r < 0) return r; r = sd_bus_message_read(message, "sb", &name, &force); if (r < 0) return r; r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_set_default(m->unit_file_scope, force ? UNIT_FILE_FORCE : 0, NULL, name, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error); } static int method_preset_all_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { UnitFileChange *changes = NULL; size_t n_changes = 0; Manager *m = userdata; UnitFilePresetMode mm; const char *mode; UnitFileFlags flags; int force, runtime, r; assert(message); assert(m); r = mac_selinux_access_check(message, "enable", error); if (r < 0) return r; r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force); if (r < 0) return r; flags = unit_file_bools_to_flags(runtime, force); if (isempty(mode)) mm = UNIT_FILE_PRESET_FULL; else { mm = unit_file_preset_mode_from_string(mode); if (mm < 0) return -EINVAL; } r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_preset_all(m->unit_file_scope, flags, NULL, mm, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error); } static int method_add_dependency_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; Manager *m = userdata; UnitFileChange *changes = NULL; size_t n_changes = 0; int runtime, force, r; char *target, *type; UnitDependency dep; UnitFileFlags flags; assert(message); assert(m); r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = sd_bus_message_read(message, "ssbb", &target, &type, &runtime, &force); if (r < 0) return r; flags = unit_file_bools_to_flags(runtime, force); dep = unit_dependency_from_string(type); if (dep < 0) return -EINVAL; r = unit_file_add_dependency(m->unit_file_scope, flags, NULL, l, target, dep, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes, error); } static int method_get_unit_file_links(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; UnitFileChange *changes = NULL; size_t n_changes = 0, i; UnitFileFlags flags; const char *name; char **p; int runtime, r; r = sd_bus_message_read(message, "sb", &name, &runtime); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, SD_BUS_TYPE_ARRAY, "s"); if (r < 0) return r; p = STRV_MAKE(name); flags = UNIT_FILE_DRY_RUN | (runtime ? UNIT_FILE_RUNTIME : 0); r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes); if (r < 0) return log_error_errno(r, "Failed to get file links for %s: %m", name); for (i = 0; i < n_changes; i++) if (changes[i].type == UNIT_FILE_UNLINK) { r = sd_bus_message_append(reply, "s", changes[i].path); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); } static int method_get_job_waiting(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t id; Job *j; int r; assert(message); assert(m); r = sd_bus_message_read(message, "u", &id); if (r < 0) return r; j = manager_get_job(m, id); if (!j) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); return bus_job_method_get_waiting_jobs(message, j, error); } static int method_abandon_scope(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = bus_get_unit_by_name(m, message, name, &u, error); if (r < 0) return r; if (u->type != UNIT_SCOPE) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unit '%s' is not a scope unit, refusing.", name); return bus_scope_method_abandon(message, u, error); } static int method_set_show_status(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; ShowStatus mode = _SHOW_STATUS_INVALID; const char *t; int r; assert(m); assert(message); r = sd_bus_message_read(message, "s", &t); if (r < 0) return r; if (!isempty(t)) { mode = show_status_from_string(t); if (mode < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid show status '%s'", t); } manager_override_show_status(m, mode, "bus"); return sd_bus_reply_method_return(message, NULL); } const sd_bus_vtable bus_manager_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("Version", "s", property_get_version, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Features", "s", property_get_features, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Virtualization", "s", property_get_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Architecture", "s", property_get_architecture, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Tainted", "s", property_get_tainted, 0, SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("FirmwareTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FIRMWARE]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("LoaderTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_LOADER]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("KernelTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_KERNEL]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("UserspaceTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_USERSPACE]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("FinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("SecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("SecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0), SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0), SD_BUS_PROPERTY("NNames", "u", property_get_hashmap_size, offsetof(Manager, units), 0), SD_BUS_PROPERTY("NFailedUnits", "u", property_get_set_size, offsetof(Manager, failed_units), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("NJobs", "u", property_get_hashmap_size, offsetof(Manager, jobs), 0), SD_BUS_PROPERTY("NInstalledJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_installed_jobs), 0), SD_BUS_PROPERTY("NFailedJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_failed_jobs), 0), SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0), SD_BUS_PROPERTY("Environment", "as", property_get_environment, 0, 0), SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("ShowStatus", "b", property_get_show_status, 0, 0), SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.search_path), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", property_get_runtime_watchdog, property_set_runtime_watchdog, 0, 0), SD_BUS_WRITABLE_PROPERTY("RebootWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, 0), /* The following item is an obsolete alias */ SD_BUS_WRITABLE_PROPERTY("ShutdownWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, SD_BUS_VTABLE_HIDDEN), SD_BUS_WRITABLE_PROPERTY("KExecWatchdogUSec", "t", property_get_kexec_watchdog, property_set_kexec_watchdog, 0, 0), SD_BUS_WRITABLE_PROPERTY("ServiceWatchdogs", "b", bus_property_get_bool, bus_property_set_bool, offsetof(Manager, service_watchdogs), 0), SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Manager, cgroup_root), 0), SD_BUS_PROPERTY("SystemState", "s", property_get_system_state, 0, 0), SD_BUS_PROPERTY("ExitCode", "y", bus_property_get_unsigned, offsetof(Manager, return_value), 0), SD_BUS_PROPERTY("DefaultTimerAccuracyUSec", "t", bus_property_get_usec, offsetof(Manager, default_timer_accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTimeoutStartUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTimeoutStopUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTimeoutAbortUSec", "t", property_get_default_timeout_abort_usec, 0, 0), SD_BUS_PROPERTY("DefaultRestartUSec", "t", bus_property_get_usec, offsetof(Manager, default_restart_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultStartLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST), /* The following two items are obsolete alias */ SD_BUS_PROPERTY("DefaultStartLimitIntervalSec", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), SD_BUS_PROPERTY("DefaultStartLimitInterval", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), SD_BUS_PROPERTY("DefaultStartLimitBurst", "u", bus_property_get_unsigned, offsetof(Manager, default_start_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultCPUAccounting", "b", bus_property_get_bool, offsetof(Manager, default_cpu_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultBlockIOAccounting", "b", bus_property_get_bool, offsetof(Manager, default_blockio_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultMemoryAccounting", "b", bus_property_get_bool, offsetof(Manager, default_memory_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTasksAccounting", "b", bus_property_get_bool, offsetof(Manager, default_tasks_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCPU", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCPUSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitFSIZE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitDATA", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitDATASoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSTACK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCORE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCORESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRSS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRSSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNOFILE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitAS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitASSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNPROC", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitLOCKS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNICE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNICESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTPRIO", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTTIME", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTasksMax", "t", bus_property_get_tasks_max, offsetof(Manager, default_tasks_max), 0), SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultOOMPolicy", "s", bus_property_get_oom_policy, offsetof(Manager, default_oom_policy), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_METHOD_WITH_NAMES("GetUnit", "s", SD_BUS_PARAM(name), "o", SD_BUS_PARAM(unit), method_get_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetUnitByPID", "u", SD_BUS_PARAM(pid), "o", SD_BUS_PARAM(unit), method_get_unit_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetUnitByInvocationID", "ay", SD_BUS_PARAM(invocation_id), "o", SD_BUS_PARAM(unit), method_get_unit_by_invocation_id, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetUnitByControlGroup", "s", SD_BUS_PARAM(cgroup), "o", SD_BUS_PARAM(unit), method_get_unit_by_control_group, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("LoadUnit", "s", SD_BUS_PARAM(name), "o", SD_BUS_PARAM(unit), method_load_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("StartUnit", "ss", SD_BUS_PARAM(name) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_start_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("StartUnitReplace", "sss", SD_BUS_PARAM(old_unit) SD_BUS_PARAM(new_unit) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_start_unit_replace, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("StopUnit", "ss", SD_BUS_PARAM(name) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_stop_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ReloadUnit", "ss", SD_BUS_PARAM(name) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_reload_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("RestartUnit", "ss", SD_BUS_PARAM(name) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("TryRestartUnit", "ss", SD_BUS_PARAM(name) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ReloadOrRestartUnit", "ss", SD_BUS_PARAM(name) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_reload_or_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ReloadOrTryRestartUnit", "ss", SD_BUS_PARAM(name) SD_BUS_PARAM(mode), "o", SD_BUS_PARAM(job), method_reload_or_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("EnqueueUnitJob", "sss", SD_BUS_PARAM(name) SD_BUS_PARAM(job_type) SD_BUS_PARAM(job_mode), "uososa(uosos)", SD_BUS_PARAM(job_id) SD_BUS_PARAM(job_path) SD_BUS_PARAM(unit_id) SD_BUS_PARAM(unit_path) SD_BUS_PARAM(job_type) SD_BUS_PARAM(affected_jobs), method_enqueue_unit_job, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("KillUnit", "ssi", SD_BUS_PARAM(name) SD_BUS_PARAM(whom) SD_BUS_PARAM(signal), NULL,, method_kill_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("CleanUnit", "sas", SD_BUS_PARAM(name) SD_BUS_PARAM(mask), NULL,, method_clean_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("FreezeUnit", "s", SD_BUS_PARAM(name), NULL,, method_freeze_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ThawUnit", "s", SD_BUS_PARAM(name), NULL,, method_thaw_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ResetFailedUnit", "s", SD_BUS_PARAM(name), NULL,, method_reset_failed_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("SetUnitProperties", "sba(sv)", SD_BUS_PARAM(name) SD_BUS_PARAM(runtime) SD_BUS_PARAM(properties), NULL,, method_set_unit_properties, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("BindMountUnit", "sssbb", SD_BUS_PARAM(name) SD_BUS_PARAM(source) SD_BUS_PARAM(destination) SD_BUS_PARAM(read_only) SD_BUS_PARAM(mkdir), NULL,, method_bind_mount_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("RefUnit", "s", SD_BUS_PARAM(name), NULL,, method_ref_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("UnrefUnit", "s", SD_BUS_PARAM(name), NULL,, method_unref_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("StartTransientUnit", "ssa(sv)a(sa(sv))", SD_BUS_PARAM(name) SD_BUS_PARAM(mode) SD_BUS_PARAM(properties) SD_BUS_PARAM(aux), "o", SD_BUS_PARAM(job), method_start_transient_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetUnitProcesses", "s", SD_BUS_PARAM(name), "a(sus)", SD_BUS_PARAM(processes), method_get_unit_processes, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("AttachProcessesToUnit", "ssau", SD_BUS_PARAM(unit_name) SD_BUS_PARAM(subcgroup) SD_BUS_PARAM(pids), NULL,, method_attach_processes_to_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("AbandonScope", "s", SD_BUS_PARAM(name), NULL,, method_abandon_scope, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetJob", "u", SD_BUS_PARAM(id), "o", SD_BUS_PARAM(job), method_get_job, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetJobAfter", "u", SD_BUS_PARAM(id), "a(usssoo)", SD_BUS_PARAM(jobs), method_get_job_waiting, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetJobBefore", "u", SD_BUS_PARAM(id), "a(usssoo)", SD_BUS_PARAM(jobs), method_get_job_waiting, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("CancelJob", "u", SD_BUS_PARAM(id), NULL,, method_cancel_job, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ClearJobs", NULL, NULL, method_clear_jobs, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ResetFailed", NULL, NULL, method_reset_failed, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("SetShowStatus", "s", SD_BUS_PARAM(mode), NULL,, method_set_show_status, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_ADMIN)), SD_BUS_METHOD_WITH_NAMES("ListUnits", NULL,, "a(ssssssouso)", SD_BUS_PARAM(units), method_list_units, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ListUnitsFiltered", "as", SD_BUS_PARAM(states), "a(ssssssouso)", SD_BUS_PARAM(units), method_list_units_filtered, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ListUnitsByPatterns", "asas", SD_BUS_PARAM(states) SD_BUS_PARAM(patterns), "a(ssssssouso)", SD_BUS_PARAM(units), method_list_units_by_patterns, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ListUnitsByNames", "as", SD_BUS_PARAM(names), "a(ssssssouso)", SD_BUS_PARAM(units), method_list_units_by_names, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ListJobs", NULL,, "a(usssoo)", SD_BUS_PARAM(jobs), method_list_jobs, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Subscribe", NULL, NULL, method_subscribe, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Unsubscribe", NULL, NULL, method_unsubscribe, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("Dump", NULL,, "s", SD_BUS_PARAM(output), method_dump, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("DumpByFileDescriptor", NULL,, "h", SD_BUS_PARAM(fd), method_dump_by_fd, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("CreateSnapshot", "sb", SD_BUS_PARAM(name) SD_BUS_PARAM(cleanup), "o", SD_BUS_PARAM(unit), method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN), SD_BUS_METHOD_WITH_NAMES("RemoveSnapshot", "s", SD_BUS_PARAM(name), NULL,, method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN), SD_BUS_METHOD("Reload", NULL, NULL, method_reload, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Reexecute", NULL, NULL, method_reexecute, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Exit", NULL, NULL, method_exit, 0), SD_BUS_METHOD("Reboot", NULL, NULL, method_reboot, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("PowerOff", NULL, NULL, method_poweroff, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("Halt", NULL, NULL, method_halt, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("KExec", NULL, NULL, method_kexec, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD_WITH_NAMES("SwitchRoot", "ss", SD_BUS_PARAM(new_root) SD_BUS_PARAM(init), NULL,, method_switch_root, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD_WITH_NAMES("SetEnvironment", "as", SD_BUS_PARAM(assignments), NULL,, method_set_environment, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("UnsetEnvironment", "as", SD_BUS_PARAM(names), NULL,, method_unset_environment, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("UnsetAndSetEnvironment", "asas", SD_BUS_PARAM(names) SD_BUS_PARAM(assignments), NULL,, method_unset_and_set_environment, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ListUnitFiles", NULL,, "a(ss)", SD_BUS_PARAM(unit_files), method_list_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ListUnitFilesByPatterns", "asas", SD_BUS_PARAM(states) SD_BUS_PARAM(patterns), "a(ss)", SD_BUS_PARAM(unit_files), method_list_unit_files_by_patterns, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetUnitFileState", "s", SD_BUS_PARAM(file), "s", SD_BUS_PARAM(state), method_get_unit_file_state, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("EnableUnitFiles", "asbb", SD_BUS_PARAM(files) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "ba(sss)", SD_BUS_PARAM(carries_install_info) SD_BUS_PARAM(changes), method_enable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("DisableUnitFiles", "asb", SD_BUS_PARAM(files) SD_BUS_PARAM(runtime), "a(sss)", SD_BUS_PARAM(changes), method_disable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("EnableUnitFilesWithFlags", "ast", SD_BUS_PARAM(files) SD_BUS_PARAM(flags), "ba(sss)", SD_BUS_PARAM(carries_install_info) SD_BUS_PARAM(changes), method_enable_unit_files_with_flags, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("DisableUnitFilesWithFlags", "ast", SD_BUS_PARAM(files) SD_BUS_PARAM(flags), "a(sss)", SD_BUS_PARAM(changes), method_disable_unit_files_with_flags, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("ReenableUnitFiles", "asbb", SD_BUS_PARAM(files) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "ba(sss)", SD_BUS_PARAM(carries_install_info) SD_BUS_PARAM(changes), method_reenable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("LinkUnitFiles", "asbb", SD_BUS_PARAM(files) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "a(sss)", SD_BUS_PARAM(changes), method_link_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("PresetUnitFiles", "asbb", SD_BUS_PARAM(files) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "ba(sss)", SD_BUS_PARAM(carries_install_info) SD_BUS_PARAM(changes), method_preset_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("PresetUnitFilesWithMode", "assbb", SD_BUS_PARAM(files) SD_BUS_PARAM(mode) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "ba(sss)", SD_BUS_PARAM(carries_install_info) SD_BUS_PARAM(changes), method_preset_unit_files_with_mode, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("MaskUnitFiles", "asbb", SD_BUS_PARAM(files) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "a(sss)", SD_BUS_PARAM(changes), method_mask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("UnmaskUnitFiles", "asb", SD_BUS_PARAM(files) SD_BUS_PARAM(runtime), "a(sss)", SD_BUS_PARAM(changes), method_unmask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("RevertUnitFiles", "as", SD_BUS_PARAM(files), "a(sss)", SD_BUS_PARAM(changes), method_revert_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("SetDefaultTarget", "sb", SD_BUS_PARAM(name) SD_BUS_PARAM(force), "a(sss)", SD_BUS_PARAM(changes), method_set_default_target, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetDefaultTarget", NULL,, "s", SD_BUS_PARAM(name), method_get_default_target, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("PresetAllUnitFiles", "sbb", SD_BUS_PARAM(mode) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "a(sss)", SD_BUS_PARAM(changes), method_preset_all_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("AddDependencyUnitFiles", "asssbb", SD_BUS_PARAM(files) SD_BUS_PARAM(target) SD_BUS_PARAM(type) SD_BUS_PARAM(runtime) SD_BUS_PARAM(force), "a(sss)", SD_BUS_PARAM(changes), method_add_dependency_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetUnitFileLinks", "sb", SD_BUS_PARAM(name) SD_BUS_PARAM(runtime), "as", SD_BUS_PARAM(links), method_get_unit_file_links, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("SetExitCode", "y", SD_BUS_PARAM(number), NULL,, method_set_exit_code, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("LookupDynamicUserByName", "s", SD_BUS_PARAM(name), "u", SD_BUS_PARAM(uid), method_lookup_dynamic_user_by_name, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("LookupDynamicUserByUID", "u", SD_BUS_PARAM(uid), "s", SD_BUS_PARAM(name), method_lookup_dynamic_user_by_uid, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_NAMES("GetDynamicUsers", NULL,, "a(us)", SD_BUS_PARAM(users), method_get_dynamic_users, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_SIGNAL_WITH_NAMES("UnitNew", "so", SD_BUS_PARAM(id) SD_BUS_PARAM(unit), 0), SD_BUS_SIGNAL_WITH_NAMES("UnitRemoved", "so", SD_BUS_PARAM(id) SD_BUS_PARAM(unit), 0), SD_BUS_SIGNAL_WITH_NAMES("JobNew", "uos", SD_BUS_PARAM(id) SD_BUS_PARAM(job) SD_BUS_PARAM(unit), 0), SD_BUS_SIGNAL_WITH_NAMES("JobRemoved", "uoss", SD_BUS_PARAM(id) SD_BUS_PARAM(job) SD_BUS_PARAM(unit) SD_BUS_PARAM(result), 0), SD_BUS_SIGNAL_WITH_NAMES("StartupFinished", "tttttt", SD_BUS_PARAM(firmware) SD_BUS_PARAM(loader) SD_BUS_PARAM(kernel) SD_BUS_PARAM(initrd) SD_BUS_PARAM(userspace) SD_BUS_PARAM(total), 0), SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0), SD_BUS_SIGNAL_WITH_NAMES("Reloading", "b", SD_BUS_PARAM(active), 0), SD_BUS_VTABLE_END }; const sd_bus_vtable bus_manager_log_control_vtable[] = { SD_BUS_VTABLE_START(0), /* We define a private version of this interface here, since we want slightly different * implementations for the setters. We'll still use the generic getters however, and we share the * setters with the implementations for the Manager interface above (which pre-dates the generic * service API interface). */ SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0), SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0), SD_BUS_PROPERTY("SyslogIdentifier", "s", bus_property_get_syslog_identifier, 0, 0), SD_BUS_VTABLE_END, }; static int send_finished(sd_bus *bus, void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL; usec_t *times = userdata; int r; assert(bus); assert(times); r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartupFinished"); if (r < 0) return r; r = sd_bus_message_append(message, "tttttt", times[0], times[1], times[2], times[3], times[4], times[5]); if (r < 0) return r; return sd_bus_send(bus, message, NULL); } void bus_manager_send_finished( Manager *m, usec_t firmware_usec, usec_t loader_usec, usec_t kernel_usec, usec_t initrd_usec, usec_t userspace_usec, usec_t total_usec) { int r; assert(m); r = bus_foreach_bus( m, NULL, send_finished, (usec_t[6]) { firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec }); if (r < 0) log_debug_errno(r, "Failed to send finished signal: %m"); } static int send_reloading(sd_bus *bus, void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL; int r; assert(bus); r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading"); if (r < 0) return r; r = sd_bus_message_append(message, "b", PTR_TO_INT(userdata)); if (r < 0) return r; return sd_bus_send(bus, message, NULL); } void bus_manager_send_reloading(Manager *m, bool active) { int r; assert(m); r = bus_foreach_bus(m, NULL, send_reloading, INT_TO_PTR(active)); if (r < 0) log_debug_errno(r, "Failed to send reloading signal: %m"); } static int send_changed_signal(sd_bus *bus, void *userdata) { assert(bus); return sd_bus_emit_properties_changed_strv(bus, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", NULL); } void bus_manager_send_change_signal(Manager *m) { int r; assert(m); r = bus_foreach_bus(m, NULL, send_changed_signal, NULL); if (r < 0) log_debug_errno(r, "Failed to send manager change signal: %m"); }