/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include "alloc-util.h" #include "async.h" #include "bus-get-properties.h" #include "dbus-cgroup.h" #include "dbus-execute.h" #include "dbus-kill.h" #include "dbus-manager.h" #include "dbus-service.h" #include "dbus-util.h" #include "execute.h" #include "exit-status.h" #include "fd-util.h" #include "fileio.h" #include "locale-util.h" #include "mount-util.h" #include "parse-util.h" #include "path-util.h" #include "selinux-access.h" #include "service.h" #include "signal-util.h" #include "string-util.h" #include "strv.h" #include "unit.h" static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, service_type, ServiceType); static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exit_type, service_exit_type, ServiceExitType); static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, service_result, ServiceResult); static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_restart, service_restart, ServiceRestart); static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_notify_access, notify_access, NotifyAccess); static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_emergency_action, emergency_action, EmergencyAction); static BUS_DEFINE_PROPERTY_GET(property_get_timeout_abort_usec, "t", Service, service_timeout_abort_usec); static BUS_DEFINE_PROPERTY_GET(property_get_watchdog_usec, "t", Service, service_get_watchdog_usec); static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_timeout_failure_mode, service_timeout_failure_mode, ServiceTimeoutFailureMode); static int property_get_exit_status_set( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { const ExitStatusSet *status_set = userdata; unsigned n; int r; assert(bus); assert(reply); assert(status_set); r = sd_bus_message_open_container(reply, 'r', "aiai"); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "i"); if (r < 0) return r; BITMAP_FOREACH(n, &status_set->status) { assert(n < 256); r = sd_bus_message_append_basic(reply, 'i', &n); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "i"); if (r < 0) return r; BITMAP_FOREACH(n, &status_set->signal) { const char *str; str = signal_to_string(n); if (!str) continue; r = sd_bus_message_append_basic(reply, 'i', &n); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_message_close_container(reply); } static int bus_service_method_mount(sd_bus_message *message, void *userdata, sd_bus_error *error, bool is_image) { _cleanup_(mount_options_free_allp) MountOptions *options = NULL; const char *dest, *src, *propagate_directory; int read_only, make_file_or_directory; Unit *u = userdata; ExecContext *c; pid_t unit_pid; int r; assert(message); assert(u); if (!MANAGER_IS_SYSTEM(u->manager)) return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Adding bind mounts at runtime is only supported for system managers."); r = mac_selinux_unit_access_check(u, message, "start", error); if (r < 0) return r; r = sd_bus_message_read(message, "ssbb", &src, &dest, &read_only, &make_file_or_directory); if (r < 0) return r; if (!path_is_absolute(src) || !path_is_normalized(src)) return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute and normalized."); if (!is_image && isempty(dest)) dest = src; else if (!path_is_absolute(dest) || !path_is_normalized(dest)) return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute and normalized."); if (is_image) { r = bus_read_mount_options(message, error, &options, NULL, ""); if (r < 0) return r; } r = bus_verify_manage_units_async_full( u, is_image ? "mount-image" : "bind-mount", CAP_SYS_ADMIN, N_("Authentication is required to mount on '$(unit)'."), true, 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 */ if (u->type != UNIT_SERVICE) return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Unit is not of type .service"); /* If it would be dropped at startup time, return an error. The context should always be available, but * there's an assert in exec_needs_mount_namespace, so double-check just in case. */ c = unit_get_exec_context(u); if (!c) return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot access unit execution context"); if (path_startswith_strv(dest, c->inaccessible_paths)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s is not accessible to this unit", dest); /* Ensure that the unit was started in a private mount namespace */ if (!exec_needs_mount_namespace(c, NULL, unit_get_exec_runtime(u))) return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Unit not running in private mount namespace, cannot activate bind mount"); unit_pid = unit_main_pid(u); if (unit_pid == 0 || !UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Unit is not running"); propagate_directory = strjoina("/run/systemd/propagate/", u->id); if (is_image) r = mount_image_in_namespace(unit_pid, propagate_directory, "/run/systemd/incoming/", src, dest, read_only, make_file_or_directory, options); else r = bind_mount_in_namespace(unit_pid, propagate_directory, "/run/systemd/incoming/", src, dest, read_only, make_file_or_directory); if (r < 0) return sd_bus_error_set_errnof(error, r, "Failed to mount %s on %s in unit's namespace: %m", src, dest); return sd_bus_reply_method_return(message, NULL); } int bus_service_method_bind_mount(sd_bus_message *message, void *userdata, sd_bus_error *error) { return bus_service_method_mount(message, userdata, error, false); } int bus_service_method_mount_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { return bus_service_method_mount(message, userdata, error, true); } const sd_bus_vtable bus_service_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Service, type), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("ExitType", "s", property_get_exit_type, offsetof(Service, exit_type), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Restart", "s", property_get_restart, offsetof(Service, restart), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("PIDFile", "s", NULL, offsetof(Service, pid_file), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("NotifyAccess", "s", property_get_notify_access, offsetof(Service, notify_access), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("RestartUSec", "t", bus_property_get_usec, offsetof(Service, restart_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("TimeoutStartUSec", "t", bus_property_get_usec, offsetof(Service, timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Service, timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("TimeoutAbortUSec", "t", property_get_timeout_abort_usec, 0, 0), SD_BUS_PROPERTY("TimeoutStartFailureMode", "s", property_get_timeout_failure_mode, offsetof(Service, timeout_start_failure_mode), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("TimeoutStopFailureMode", "s", property_get_timeout_failure_mode, offsetof(Service, timeout_stop_failure_mode), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("RuntimeMaxUSec", "t", bus_property_get_usec, offsetof(Service, runtime_max_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("RuntimeRandomizedExtraUSec", "t", bus_property_get_usec, offsetof(Service, runtime_rand_extra_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("WatchdogUSec", "t", property_get_watchdog_usec, 0, 0), BUS_PROPERTY_DUAL_TIMESTAMP("WatchdogTimestamp", offsetof(Service, watchdog_timestamp), 0), SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), /* 😷 deprecated */ SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("GuessMainPID", "b", bus_property_get_bool, offsetof(Service, guess_main_pid), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("RestartPreventExitStatus", "(aiai)", property_get_exit_status_set, offsetof(Service, restart_prevent_status), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("RestartForceExitStatus", "(aiai)", property_get_exit_status_set, offsetof(Service, restart_force_status), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("SuccessExitStatus", "(aiai)", property_get_exit_status_set, offsetof(Service, success_status), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("MainPID", "u", bus_property_get_pid, offsetof(Service, main_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("FileDescriptorStoreMax", "u", bus_property_get_unsigned, offsetof(Service, n_fd_store_max), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("NFileDescriptorStore", "u", bus_property_get_unsigned, offsetof(Service, n_fd_store), 0), SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("StatusErrno", "i", bus_property_get_int, offsetof(Service, status_errno), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("ReloadResult", "s", property_get_result, offsetof(Service, reload_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("CleanResult", "s", property_get_result, offsetof(Service, clean_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("USBFunctionDescriptors", "s", NULL, offsetof(Service, usb_function_descriptors), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("USBFunctionStrings", "s", NULL, offsetof(Service, usb_function_strings), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("NRestarts", "u", bus_property_get_unsigned, offsetof(Service, n_restarts), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("OOMPolicy", "s", bus_property_get_oom_policy, offsetof(Service, oom_policy), SD_BUS_VTABLE_PROPERTY_CONST), BUS_EXEC_STATUS_VTABLE("ExecMain", offsetof(Service, main_exec_status), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), BUS_EXEC_COMMAND_LIST_VTABLE("ExecCondition", offsetof(Service, exec_command[SERVICE_EXEC_CONDITION]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_EX_COMMAND_LIST_VTABLE("ExecConditionEx", offsetof(Service, exec_command[SERVICE_EXEC_CONDITION]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_EX_COMMAND_LIST_VTABLE("ExecStartPreEx", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_EX_COMMAND_LIST_VTABLE("ExecStartEx", offsetof(Service, exec_command[SERVICE_EXEC_START]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_EX_COMMAND_LIST_VTABLE("ExecStartPostEx", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_EX_COMMAND_LIST_VTABLE("ExecReloadEx", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_EX_COMMAND_LIST_VTABLE("ExecStopEx", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), BUS_EXEC_EX_COMMAND_LIST_VTABLE("ExecStopPostEx", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), SD_BUS_METHOD_WITH_ARGS("BindMount", SD_BUS_ARGS("s", source, "s", destination, "b", read_only, "b", mkdir), SD_BUS_NO_RESULT, bus_service_method_bind_mount, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD_WITH_ARGS("MountImage", SD_BUS_ARGS("s", source, "s", destination, "b", read_only, "b", mkdir, "a(ss)", options), SD_BUS_NO_RESULT, bus_service_method_mount_image, SD_BUS_VTABLE_UNPRIVILEGED), /* The following four are obsolete, and thus marked hidden here. They moved into the Unit interface */ SD_BUS_PROPERTY("StartLimitInterval", "t", bus_property_get_usec, offsetof(Unit, start_ratelimit.interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Unit, start_ratelimit.burst), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), SD_BUS_PROPERTY("StartLimitAction", "s", property_get_emergency_action, offsetof(Unit, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), SD_BUS_PROPERTY("FailureAction", "s", property_get_emergency_action, offsetof(Unit, failure_action), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Unit, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), SD_BUS_VTABLE_END }; static int bus_set_transient_exit_status( Unit *u, const char *name, ExitStatusSet *status_set, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) { const int32_t *status, *signal; size_t n_status, n_signal, i; int r; r = sd_bus_message_enter_container(message, 'r', "aiai"); if (r < 0) return r; r = sd_bus_message_read_array(message, 'i', (const void **) &status, &n_status); if (r < 0) return r; r = sd_bus_message_read_array(message, 'i', (const void **) &signal, &n_signal); if (r < 0) return r; r = sd_bus_message_exit_container(message); if (r < 0) return r; n_status /= sizeof(int32_t); n_signal /= sizeof(int32_t); if (n_status == 0 && n_signal == 0 && !UNIT_WRITE_FLAGS_NOOP(flags)) { exit_status_set_free(status_set); unit_write_settingf(u, flags, name, "%s=", name); return 1; } for (i = 0; i < n_status; i++) { if (status[i] < 0 || status[i] > 255) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid status code in %s: %"PRIi32, name, status[i]); if (!UNIT_WRITE_FLAGS_NOOP(flags)) { r = bitmap_set(&status_set->status, status[i]); if (r < 0) return r; unit_write_settingf(u, flags, name, "%s=%"PRIi32, name, status[i]); } } for (i = 0; i < n_signal; i++) { const char *str; str = signal_to_string((int) signal[i]); if (!str) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal in %s: %"PRIi32, name, signal[i]); if (!UNIT_WRITE_FLAGS_NOOP(flags)) { r = bitmap_set(&status_set->signal, signal[i]); if (r < 0) return r; unit_write_settingf(u, flags, name, "%s=%s", name, str); } } return 1; } static int bus_set_transient_std_fd( Unit *u, const char *name, int *p, bool *b, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) { int fd, r; assert(p); assert(b); r = sd_bus_message_read(message, "h", &fd); if (r < 0) return r; if (!UNIT_WRITE_FLAGS_NOOP(flags)) { int copy; copy = fcntl(fd, F_DUPFD_CLOEXEC, 3); if (copy < 0) return -errno; asynchronous_close(*p); *p = copy; *b = true; } return 1; } static BUS_DEFINE_SET_TRANSIENT_PARSE(notify_access, NotifyAccess, notify_access_from_string); static BUS_DEFINE_SET_TRANSIENT_PARSE(service_type, ServiceType, service_type_from_string); static BUS_DEFINE_SET_TRANSIENT_PARSE(service_exit_type, ServiceExitType, service_exit_type_from_string); static BUS_DEFINE_SET_TRANSIENT_PARSE(service_restart, ServiceRestart, service_restart_from_string); static BUS_DEFINE_SET_TRANSIENT_PARSE(oom_policy, OOMPolicy, oom_policy_from_string); static BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(bus_name, sd_bus_service_name_is_valid); static BUS_DEFINE_SET_TRANSIENT_PARSE(timeout_failure_mode, ServiceTimeoutFailureMode, service_timeout_failure_mode_from_string); static int bus_service_set_transient_property( Service *s, const char *name, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) { Unit *u = UNIT(s); ServiceExecCommand ci; int r; assert(s); assert(name); assert(message); flags |= UNIT_PRIVATE; if (streq(name, "PermissionsStartOnly")) return bus_set_transient_bool(u, name, &s->permissions_start_only, message, flags, error); if (streq(name, "RootDirectoryStartOnly")) return bus_set_transient_bool(u, name, &s->root_directory_start_only, message, flags, error); if (streq(name, "RemainAfterExit")) return bus_set_transient_bool(u, name, &s->remain_after_exit, message, flags, error); if (streq(name, "GuessMainPID")) return bus_set_transient_bool(u, name, &s->guess_main_pid, message, flags, error); if (streq(name, "Type")) return bus_set_transient_service_type(u, name, &s->type, message, flags, error); if (streq(name, "ExitType")) return bus_set_transient_service_exit_type(u, name, &s->exit_type, message, flags, error); if (streq(name, "OOMPolicy")) return bus_set_transient_oom_policy(u, name, &s->oom_policy, message, flags, error); if (streq(name, "RestartUSec")) return bus_set_transient_usec(u, name, &s->restart_usec, message, flags, error); if (streq(name, "TimeoutStartUSec")) { r = bus_set_transient_usec(u, name, &s->timeout_start_usec, message, flags, error); if (r >= 0 && !UNIT_WRITE_FLAGS_NOOP(flags)) s->start_timeout_defined = true; return r; } if (streq(name, "TimeoutStopUSec")) return bus_set_transient_usec(u, name, &s->timeout_stop_usec, message, flags, error); if (streq(name, "TimeoutAbortUSec")) { r = bus_set_transient_usec(u, name, &s->timeout_abort_usec, message, flags, error); if (r >= 0 && !UNIT_WRITE_FLAGS_NOOP(flags)) s->timeout_abort_set = true; return r; } if (streq(name, "TimeoutStartFailureMode")) return bus_set_transient_timeout_failure_mode(u, name, &s->timeout_start_failure_mode, message, flags, error); if (streq(name, "TimeoutStopFailureMode")) return bus_set_transient_timeout_failure_mode(u, name, &s->timeout_stop_failure_mode, message, flags, error); if (streq(name, "RuntimeMaxUSec")) return bus_set_transient_usec(u, name, &s->runtime_max_usec, message, flags, error); if (streq(name, "RuntimeRandomizedExtraUSec")) return bus_set_transient_usec(u, name, &s->runtime_rand_extra_usec, message, flags, error); if (streq(name, "WatchdogUSec")) return bus_set_transient_usec(u, name, &s->watchdog_usec, message, flags, error); if (streq(name, "FileDescriptorStoreMax")) return bus_set_transient_unsigned(u, name, &s->n_fd_store_max, message, flags, error); if (streq(name, "NotifyAccess")) return bus_set_transient_notify_access(u, name, &s->notify_access, message, flags, error); if (streq(name, "PIDFile")) { _cleanup_free_ char *n = NULL; const char *v, *e; r = sd_bus_message_read(message, "s", &v); if (r < 0) return r; if (!isempty(v)) { n = path_make_absolute(v, u->manager->prefix[EXEC_DIRECTORY_RUNTIME]); if (!n) return -ENOMEM; path_simplify(n); if (!path_is_normalized(n)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "PIDFile= path '%s' is not valid", n); e = path_startswith(n, "/var/run/"); if (e) { char *z; z = path_join("/run", e); if (!z) return log_oom(); if (!UNIT_WRITE_FLAGS_NOOP(flags)) log_unit_notice(u, "Transient unit's PIDFile= property references path below legacy directory /var/run, updating %s → %s; please update client accordingly.", n, z); free_and_replace(n, z); } } if (!UNIT_WRITE_FLAGS_NOOP(flags)) { free_and_replace(s->pid_file, n); unit_write_settingf(u, flags, name, "%s=%s", name, strempty(s->pid_file)); } return 1; } if (streq(name, "USBFunctionDescriptors")) return bus_set_transient_path(u, name, &s->usb_function_descriptors, message, flags, error); if (streq(name, "USBFunctionStrings")) return bus_set_transient_path(u, name, &s->usb_function_strings, message, flags, error); if (streq(name, "BusName")) return bus_set_transient_bus_name(u, name, &s->bus_name, message, flags, error); if (streq(name, "Restart")) return bus_set_transient_service_restart(u, name, &s->restart, message, flags, error); if (streq(name, "RestartPreventExitStatus")) return bus_set_transient_exit_status(u, name, &s->restart_prevent_status, message, flags, error); if (streq(name, "RestartForceExitStatus")) return bus_set_transient_exit_status(u, name, &s->restart_force_status, message, flags, error); if (streq(name, "SuccessExitStatus")) return bus_set_transient_exit_status(u, name, &s->success_status, message, flags, error); ci = service_exec_command_from_string(name); ci = (ci >= 0) ? ci : service_exec_ex_command_from_string(name); if (ci >= 0) return bus_set_transient_exec_command(u, name, &s->exec_command[ci], message, flags, error); if (streq(name, "StandardInputFileDescriptor")) return bus_set_transient_std_fd(u, name, &s->stdin_fd, &s->exec_context.stdio_as_fds, message, flags, error); if (streq(name, "StandardOutputFileDescriptor")) return bus_set_transient_std_fd(u, name, &s->stdout_fd, &s->exec_context.stdio_as_fds, message, flags, error); if (streq(name, "StandardErrorFileDescriptor")) return bus_set_transient_std_fd(u, name, &s->stderr_fd, &s->exec_context.stdio_as_fds, message, flags, error); return 0; } int bus_service_set_property( Unit *u, const char *name, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) { Service *s = SERVICE(u); int r; assert(s); assert(name); assert(message); r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, flags, error); if (r != 0) return r; if (u->transient && u->load_state == UNIT_STUB) { /* This is a transient unit, let's load a little more */ r = bus_service_set_transient_property(s, name, message, flags, error); if (r != 0) return r; r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, flags, error); if (r != 0) return r; r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, flags, error); if (r != 0) return r; } return 0; } int bus_service_commit_properties(Unit *u) { assert(u); unit_realize_cgroup(u); return 0; }