diff options
Diffstat (limited to 'src/core/dbus-manager.c')
| -rw-r--r-- | src/core/dbus-manager.c | 3628 |
1 files changed, 3628 insertions, 0 deletions
diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c new file mode 100644 index 0000000..745f5cc --- /dev/null +++ b/src/core/dbus-manager.c @@ -0,0 +1,3628 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <errno.h> +#include <sys/prctl.h> +#include <sys/statvfs.h> +#include <unistd.h> + +#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 "chase.h" +#include "confidential-virt.h" +#include "data-fd-util.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 "initrd-util.h" +#include "install.h" +#include "log.h" +#include "manager-dump.h" +#include "os-util.h" +#include "parse-util.h" +#include "path-util.h" +#include "process-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 "version.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); +BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_emergency_action, emergency_action, EmergencyAction); + +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 BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_device, "s", watchdog_get_device()); +static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_last_ping_realtime, "t", watchdog_get_last_ping(CLOCK_REALTIME)); +static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_last_ping_monotonic, "t", watchdog_get_last_ping(CLOCK_MONOTONIC)); +static BUS_DEFINE_PROPERTY_GET(property_get_progress, "d", Manager, manager_get_progress); + +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) { + + Virtualization 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_confidential_virtualization( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ConfidentialVirtualization v; + + assert(bus); + assert(reply); + + v = detect_confidential_virtualization(); + + return sd_bus_message_append( + reply, "s", + v <= 0 ? NULL : confidential_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 = ASSERT_PTR(userdata); + + assert(bus); + assert(reply); + + 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_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 = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + + 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 = ASSERT_PTR(userdata); + + assert(bus); + assert(reply); + + return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_RUNTIME)); +} + +static int property_get_pretimeout_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 = ASSERT_PTR(userdata); + + assert(bus); + assert(reply); + + return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_PRETIMEOUT)); +} + +static int property_get_pretimeout_watchdog_governor( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + Manager *m = ASSERT_PTR(userdata); + + assert(bus); + assert(reply); + + return sd_bus_message_append(reply, "s", m->watchdog_pretimeout_governor); +} + +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 = ASSERT_PTR(userdata); + + 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 = ASSERT_PTR(userdata); + + 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; + + manager_override_watchdog(m, type, timeout); + return 0; +} + +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_pretimeout_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_PRETIMEOUT, value); +} + +static int property_set_pretimeout_watchdog_governor( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *value, + void *userdata, + sd_bus_error *error) { + + Manager *m = ASSERT_PTR(userdata); + char *governor; + int r; + + r = sd_bus_message_read(value, "s", &governor); + if (r < 0) + return r; + if (!string_is_safe(governor)) + return -EINVAL; + + return manager_override_watchdog_pretimeout_governor(m, governor); +} + +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 = ASSERT_PTR(userdata); + + assert(bus); + assert(value); + + return property_set_watchdog(userdata, WATCHDOG_KEXEC, value); +} + +static int property_get_oom_score_adjust( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + Manager *m = ASSERT_PTR(userdata); + int r, n; + + assert(bus); + assert(reply); + + if (m->defaults.oom_score_adjust_set) + n = m->defaults.oom_score_adjust; + else { + n = 0; + r = get_oom_score_adjust(&n); + if (r < 0) + log_debug_errno(r, "Failed to read current OOM score adjustment value, ignoring: %m"); + } + + return sd_bus_message_append(reply, "i", n); +} + +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_set(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 = ASSERT_PTR(userdata); + const char *name; + Unit *u; + int r; + + assert(message); + + /* 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 = ASSERT_PTR(userdata); + pid_t pid; + Unit *u; + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + sd_id128_t id; + const void *a; + Unit *u; + size_t sz; + int r; + + assert(message); + + /* 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_set(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_get_unit_by_pidfd(sd_bus_message *message, void *userdata, sd_bus_error *error) { + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL; + Manager *m = ASSERT_PTR(userdata); + _cleanup_free_ char *path = NULL; + int r, pidfd; + Unit *u; + + assert(message); + + r = sd_bus_message_read(message, "h", &pidfd); + if (r < 0) + return r; + + r = pidref_set_pidfd(&pidref, pidfd); + if (r < 0) + return sd_bus_error_set_errnof(error, r, "Failed to get PID from PIDFD: %m"); + + u = manager_get_unit_by_pidref(m, &pidref); + if (!u) + return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID "PID_FMT" does not belong to any loaded unit.", pidref.pid); + + 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(); + + r = sd_bus_message_new_method_return(message, &reply); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "os", path, u->id); + if (r < 0) + return r; + + r = sd_bus_message_append_array(reply, 'y', u->invocation_id.bytes, sizeof(u->invocation_id.bytes)); + if (r < 0) + return r; + + /* Double-check that the process is still alive and that the PID did not change before returning the + * answer. */ + r = pidref_verify(&pidref); + if (r == -ESRCH) + return sd_bus_error_setf(error, + BUS_ERROR_NO_SUCH_PROCESS, + "The PIDFD's PID "PID_FMT" changed during the lookup operation.", + pidref.pid); + if (r < 0) + return sd_bus_error_set_errnof(error, r, "Failed to get PID from PIDFD: %m"); + + return sd_bus_send(NULL, reply, NULL); +} + +static int method_load_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { + Manager *m = ASSERT_PTR(userdata); + const char *name; + Unit *u; + int r; + + assert(message); + + /* 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, /* reload_if_possible = */ 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, /* reload_if_possible = */ 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, /* reload_if_possible = */ 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, /* reload_if_possible = */ 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, /* reload_if_possible = */ 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, /* reload_if_possible = */ 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, /* reload_if_possible = */ 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 = ASSERT_PTR(userdata); + const char *old_name; + Unit *u; + int r; + + assert(message); + + 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, /* reload_if_possible = */ 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_mount_image_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_mount_image, 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 = ASSERT_PTR(userdata); + int r; + _cleanup_strv_free_ char **units = NULL; + + assert(message); + + 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 was already loaded or has a fragment file.", 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 = ASSERT_PTR(userdata); + JobMode mode; + Unit *u; + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + uint32_t id; + Job *j; + int r; + + assert(message); + + /* 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 = ASSERT_PTR(userdata); + uint32_t id; + Job *j; + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + const char *k; + Unit *u; + int r; + + assert(message); + + /* 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 = ASSERT_PTR(userdata); + Job *j; + int r; + + assert(message); + + /* 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + /* 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_set(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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + /* 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_set(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, + char **patterns, + int (*reply)(sd_bus_message *, char *)) { + + _cleanup_free_ char *dump = NULL; + Manager *m = ASSERT_PTR(userdata); + int r; + + assert(message); + + /* 'status' access is the bare minimum always needed for this, as the policy might straight out + * forbid a client from querying any information from systemd, regardless of any rate limiting. */ + r = mac_selinux_access_check(message, "status", error); + if (r < 0) + return r; + + /* Rate limit reached? Check if the caller is privileged/allowed by policy to bypass this. We + * check the rate limit first to avoid the expensive roundtrip to polkit when not needed. */ + if (!ratelimit_below(&m->dump_ratelimit)) { + /* We need a way for SELinux to constrain the operation when the rate limit is active, even + * if polkit would allow it, but we cannot easily add new named permissions, so we need to + * use an existing one. Reload/reexec are also slow but non-destructive/modifying + * operations, and can cause PID1 to stall. So it seems similar enough in terms of security + * considerations and impact, and thus use the same access check for dumps which, given the + * large amount of data to fetch, can stall PID1 for quite some time. */ + r = mac_selinux_access_check(message, "reload", error); + if (r < 0) + goto ratelimited; + + r = bus_verify_bypass_dump_ratelimit_async(m, message, error); + if (r < 0) + goto ratelimited; + if (r == 0) + /* No authorization for now, but the async polkit stuff will call us again when it + * has it */ + return 1; + } + + r = manager_get_dump_string(m, patterns, &dump); + if (r < 0) + return r; + + return reply(message, dump); + +ratelimited: + log_warning("Dump request rejected due to rate limit on unprivileged callers, blocked for %s.", + FORMAT_TIMESPAN(ratelimit_left(&m->dump_ratelimit), USEC_PER_SEC)); + return sd_bus_error_setf(error, + SD_BUS_ERROR_LIMITS_EXCEEDED, + "Dump request rejected due to rate limit on unprivileged callers, blocked for %s.", + FORMAT_TIMESPAN(ratelimit_left(&m->dump_ratelimit), USEC_PER_SEC)); +} + +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, NULL, reply_dump); +} + +static int reply_dump_by_fd(sd_bus_message *message, char *dump) { + _cleanup_close_ int fd = -EBADF; + + 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, NULL, reply_dump_by_fd); +} + +static int dump_units_matching_patterns( + sd_bus_message *message, + void *userdata, + sd_bus_error *error, + int (*reply)(sd_bus_message *, char *)) { + _cleanup_strv_free_ char **patterns = NULL; + int r; + + r = sd_bus_message_read_strv(message, &patterns); + if (r < 0) + return r; + + return dump_impl(message, userdata, error, patterns, reply); +} + +static int method_dump_units_matching_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) { + return dump_units_matching_patterns(message, userdata, error, reply_dump); +} + +static int method_dump_units_matching_patterns_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) { + return dump_units_matching_patterns(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_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed."); +} + +static int get_run_space(uint64_t *ret, sd_bus_error *error) { + struct statvfs svfs; + + assert(ret); + + if (statvfs("/run/systemd", &svfs) < 0) + return sd_bus_error_set_errnof(error, errno, "Failed to statvfs(/run/systemd): %m"); + + *ret = (uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize; + return 0; +} + +static int verify_run_space(const char *message, sd_bus_error *error) { + uint64_t available = 0; /* unnecessary, but used to trick out gcc's incorrect maybe-uninitialized warning */ + int r; + + assert(message); + + r = get_run_space(&available, error); + if (r < 0) + return r; + + if (available < RELOAD_DISK_SPACE_MIN) + 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(available), + FORMAT_BYTES(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; + + assert(message); + + r = verify_run_space(message, &error); + if (r < 0) + return log_error_errno(r, "%s", bus_error_message(&error, r)); + + return 0; +} + +static int verify_run_space_permissive(const char *message, sd_bus_error *error) { + uint64_t available = 0; /* unnecessary, but used to trick out gcc's incorrect maybe-uninitialized warning */ + int r; + + assert(message); + + r = get_run_space(&available, error); + if (r < 0) + return r; + + if (available < RELOAD_DISK_SPACE_MIN) + log_warning("Dangerously low amount of free space on /run/systemd/, %s.\n" + "Currently, %s are free, but %s are suggested. Proceeding anyway.", + message, + FORMAT_BYTES(available), + FORMAT_BYTES(RELOAD_DISK_SPACE_MIN)); + + return 0; +} + +static void log_caller(sd_bus_message *message, Manager *manager, const char *method) { + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; + const char *comm = NULL; + Unit *caller; + pid_t pid; + + assert(message); + assert(manager); + assert(method); + + if (sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID|SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_COMM, &creds) < 0) + return; + + /* We need at least the PID, otherwise there's nothing to log, the rest is optional */ + if (sd_bus_creds_get_pid(creds, &pid) < 0) + return; + + (void) sd_bus_creds_get_comm(creds, &comm); + caller = manager_get_unit_by_pid(manager, pid); + + log_info("%s requested from client PID " PID_FMT "%s%s%s%s%s%s...", + method, pid, + comm ? " ('" : "", strempty(comm), comm ? "')" : "", + caller ? " (unit " : "", caller ? caller->id : "", caller ? ")" : ""); +} + +static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) { + Manager *m = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 */ + + /* Write a log message noting the unit or process who requested the Reload() */ + log_caller(message, m, "Reloading"); + + /* Check the rate limit after the authorization succeeds, to avoid denial-of-service issues. */ + if (!ratelimit_below(&m->reload_ratelimit)) { + log_warning("Reloading request rejected due to rate limit."); + return sd_bus_error_setf(error, + SD_BUS_ERROR_LIMITS_EXCEEDED, + "Reload() request rejected due to rate limit."); + } + + /* 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 */ + + /* Write a log message noting the unit or process who requested the Reexecute() */ + log_caller(message, m, "Reexecuting"); + + /* 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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_soft_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { + _cleanup_free_ char *rt = NULL; + Manager *m = ASSERT_PTR(userdata); + const char *root; + int r; + + assert(message); + + r = verify_run_space_permissive("soft reboot may fail", error); + if (r < 0) + return r; + + r = mac_selinux_access_check(message, "reboot", error); + if (r < 0) + return r; + + r = sd_bus_message_read(message, "s", &root); + if (r < 0) + return r; + + if (!isempty(root)) { + if (!path_is_valid(root)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "New root directory '%s' must be a valid path.", root); + if (!path_is_absolute(root)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "New root directory path '%s' is not absolute.", root); + + rt = strdup(root); + if (!rt) + return -ENOMEM; + } + + free_and_replace(m->switch_root, rt); + m->objective = MANAGER_SOFT_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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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; + Manager *m = ASSERT_PTR(userdata); + const char *root, *init; + int r; + + assert(message); + + r = verify_run_space_permissive("root switching may fail", error); + if (r < 0) + return r; + + 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)) + /* If path is not specified, default to "/sysroot" which is what we generally expect initrds + * to use */ + root = "/sysroot"; + else { + if (!path_is_valid(root)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "New root directory must be a valid path."); + + if (!path_is_absolute(root)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "New root path '%s' is not absolute.", root); + + r = path_is_root(root); + if (r < 0) + return sd_bus_error_set_errnof(error, r, + "Failed to check if new root directory '%s' is the same as old root: %m", + root); + if (r > 0) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "New root directory cannot be the old root directory."); + } + + /* Safety check */ + if (!in_initrd()) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "Not in initrd, refusing switch-root operation."); + + 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); + + if (!isempty(init)) { + if (!path_is_valid(init)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "Path to init binary '%s' is not a valid path.", init); + + 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_and_access(init, root, CHASE_PREFIX_ROOT, X_OK, NULL); + if (r == -EACCES) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "Init binary %s is not executable.", init); + if (r < 0) + return sd_bus_error_set_errnof(error, r, + "Could not resolve init executable %s: %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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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_set(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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + uint8_t code; + int r; + + assert(message); + + 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; + + 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 = ASSERT_PTR(userdata); + const char *name; + uid_t uid; + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + uid_t uid; + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + DynamicUser *d; + int r; + + assert(message); + + 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 method_enqueue_marked_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) { + Manager *m = ASSERT_PTR(userdata); + int r; + + assert(message); + + r = mac_selinux_access_check(message, "start", 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 */ + + log_info("Queuing reload/restart jobs for marked units%s", special_glyph(SPECIAL_GLYPH_ELLIPSIS)); + + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + r = sd_bus_message_new_method_return(message, &reply); + if (r < 0) + return r; + + r = sd_bus_message_open_container(reply, 'a', "o"); + if (r < 0) + return r; + + Unit *u; + char *k; + int ret = 0; + HASHMAP_FOREACH_KEY(u, k, m->units) { + /* ignore aliases */ + if (u->id != k) + continue; + + BusUnitQueueFlags flags; + if (FLAGS_SET(u->markers, 1u << UNIT_MARKER_NEEDS_RESTART)) + flags = 0; + else if (FLAGS_SET(u->markers, 1u << UNIT_MARKER_NEEDS_RELOAD)) + flags = BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE; + else + continue; + + r = mac_selinux_unit_access_check(u, message, "start", error); + if (r >= 0) + r = bus_unit_queue_job_one(message, u, + JOB_TRY_RESTART, JOB_FAIL, flags, + reply, error); + if (ERRNO_IS_NEG_RESOURCE(r)) + return r; + if (r < 0) { + if (ret >= 0) + ret = r; + sd_bus_error_free(error); + } + } + + if (ret < 0) + return sd_bus_error_set_errnof(error, ret, + "Failed to enqueue some jobs, see logs for details: %m"); + + 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 = ASSERT_PTR(userdata); + UnitFileList *item; + _cleanup_hashmap_free_ Hashmap *h = NULL; + int r; + + assert(message); + + /* 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(&unit_file_list_hash_ops_free); + if (!h) + return -ENOMEM; + + r = unit_file_get_list(m->runtime_scope, NULL, h, states, patterns); + if (r < 0) + return r; + + r = sd_bus_message_open_container(reply, 'a', "(ss)"); + if (r < 0) + return r; + + HASHMAP_FOREACH(item, h) { + + r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state)); + 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_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 = ASSERT_PTR(userdata); + const char *name; + UnitFileState state; + int r; + + assert(message); + + /* 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->runtime_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 = ASSERT_PTR(userdata); + int r; + + assert(message); + + /* Anyone can call this method */ + + r = mac_selinux_access_check(message, "status", error); + if (r < 0) + return r; + + r = unit_file_get_default(m->runtime_scope, NULL, &default_target); + if (r == -ERFKILL) + sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED, "Unit file is masked."); + 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. + */ +static int install_error( + sd_bus_error *error, + int c, + InstallChange *changes, + size_t n_changes) { + + CLEANUP_ARRAY(changes, n_changes, install_changes_free); + + for (size_t i = 0; i < n_changes; i++) + + /* When making changes here, make sure to also change install_changes_dump() in install.c. */ + + switch (changes[i].type) { + case 0 ... _INSTALL_CHANGE_TYPE_MAX: /* not errors */ + break; + + case -EEXIST: + if (changes[i].source) + return 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); + return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, + "File %s already exists.", + changes[i].path); + + case -ERFKILL: + return sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED, + "Unit file %s is masked.", changes[i].path); + + case -EADDRNOTAVAIL: + return sd_bus_error_setf(error, BUS_ERROR_UNIT_GENERATED, + "Unit %s is transient or generated.", changes[i].path); + + case -ETXTBSY: + return sd_bus_error_setf(error, BUS_ERROR_UNIT_BAD_PATH, + "File %s is under the systemd unit hierarchy already.", changes[i].path); + + case -EBADSLT: + return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, + "Invalid specifier in %s.", changes[i].path); + + case -EIDRM: + return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, + "Destination unit %s is a non-template unit.", changes[i].path); + + case -EUCLEAN: + return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, + "\"%s\" is not a valid unit name.", + changes[i].path); + + case -ELOOP: + return sd_bus_error_setf(error, BUS_ERROR_UNIT_LINKED, + "Refusing to operate on alias name or linked unit file: %s", + changes[i].path); + + case -EXDEV: + if (changes[i].source) + return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, + "Cannot alias %s as %s.", + changes[i].source, changes[i].path); + return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, + "Invalid unit reference %s.", changes[i].path); + + case -ENOENT: + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, + "Unit file %s does not exist.", changes[i].path); + + case -EUNATCH: + return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, + "Cannot resolve specifiers in %s.", changes[i].path); + + default: + assert(changes[i].type < 0); /* other errors */ + return sd_bus_error_set_errnof(error, changes[i].type, "File %s: %m", changes[i].path); + } + + return c < 0 ? c : -EINVAL; +} + +static int reply_install_changes_and_free( + Manager *m, + sd_bus_message *message, + int carries_install_info, + InstallChange *changes, + size_t n_changes, + sd_bus_error *error) { + + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + bool bad = false, good = false; + int r; + + CLEANUP_ARRAY(changes, n_changes, install_changes_free); + + if (install_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) + return r; + + if (carries_install_info >= 0) { + r = sd_bus_message_append(reply, "b", carries_install_info); + if (r < 0) + return r; + } + + r = sd_bus_message_open_container(reply, 'a', "(sss)"); + if (r < 0) + return r; + + for (size_t i = 0; i < n_changes; i++) { + + if (changes[i].type < 0) { + bad = true; + continue; + } + + r = sd_bus_message_append( + reply, "(sss)", + install_change_type_to_string(changes[i].type), + changes[i].path, + changes[i].source); + if (r < 0) + return r; + + 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, TAKE_PTR(changes), n_changes); + + r = sd_bus_message_close_container(reply); + if (r < 0) + return r; + + return sd_bus_send(NULL, reply, NULL); +} + +static int method_enable_unit_files_generic( + sd_bus_message *message, + Manager *m, + int (*call)(RuntimeScope scope, UnitFileFlags flags, const char *root_dir, char *files[], InstallChange **changes, size_t *n_changes), + bool carries_install_info, + sd_bus_error *error) { + + _cleanup_strv_free_ char **l = NULL; + InstallChange *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->runtime_scope, flags, NULL, l, &changes, &n_changes); + m->unit_file_state_outdated = m->unit_file_state_outdated || n_changes > 0; /* See comments for this variable in manager.h */ + if (r < 0) + return install_error(error, r, changes, n_changes); + + return reply_install_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, /* carries_install_info = */ 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, /* carries_install_info = */ 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, /* carries_install_info = */ 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, /* carries_install_info = */ false, error); +} + +static int unit_file_preset_without_mode(RuntimeScope scope, UnitFileFlags flags, const char *root_dir, char **files, InstallChange **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, /* carries_install_info = */ 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, /* carries_install_info = */ 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; + InstallChange *changes = NULL; + size_t n_changes = 0; + Manager *m = ASSERT_PTR(userdata); + UnitFilePresetMode preset_mode; + int runtime, force, r; + UnitFileFlags flags; + const char *mode; + + assert(message); + + 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)) + preset_mode = UNIT_FILE_PRESET_FULL; + else { + preset_mode = unit_file_preset_mode_from_string(mode); + if (preset_mode < 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->runtime_scope, flags, NULL, l, preset_mode, &changes, &n_changes); + m->unit_file_state_outdated = m->unit_file_state_outdated || n_changes > 0; /* See comments for this variable in manager.h */ + if (r < 0) + return install_error(error, r, changes, n_changes); + + return reply_install_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)(RuntimeScope scope, UnitFileFlags flags, const char *root_dir, char *files[], InstallChange **changes, size_t *n_changes), + bool carries_install_info, + sd_bus_error *error) { + + _cleanup_strv_free_ char **l = NULL; + InstallChange *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") || + sd_bus_message_is_method_call(message, NULL, "DisableUnitFilesWithFlagsAndInstallInfo")) { + 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->runtime_scope, flags, NULL, l, &changes, &n_changes); + m->unit_file_state_outdated = m->unit_file_state_outdated || n_changes > 0; /* See comments for this variable in manager.h */ + if (r < 0) + return install_error(error, r, changes, n_changes); + + return reply_install_changes_and_free(m, message, carries_install_info ? r : -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, /* carries_install_info = */ false, error); +} + +static int method_disable_unit_files_with_flags_and_install_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { + return method_disable_unit_files_generic(message, userdata, unit_file_disable, /* carries_install_info = */ true, 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, /* carries_install_info = */ false, 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, /* carries_install_info = */ false, error); +} + +static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { + _cleanup_strv_free_ char **l = NULL; + InstallChange *changes = NULL; + size_t n_changes = 0; + Manager *m = ASSERT_PTR(userdata); + int r; + + assert(message); + + 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->runtime_scope, NULL, l, &changes, &n_changes); + m->unit_file_state_outdated = m->unit_file_state_outdated || n_changes > 0; /* See comments for this variable in manager.h */ + if (r < 0) + return install_error(error, r, changes, n_changes); + + return reply_install_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) { + InstallChange *changes = NULL; + size_t n_changes = 0; + Manager *m = ASSERT_PTR(userdata); + const char *name; + int force, r; + + assert(message); + + 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->runtime_scope, force ? UNIT_FILE_FORCE : 0, NULL, name, &changes, &n_changes); + if (r < 0) + return install_error(error, r, changes, n_changes); + + return reply_install_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) { + InstallChange *changes = NULL; + size_t n_changes = 0; + Manager *m = ASSERT_PTR(userdata); + UnitFilePresetMode preset_mode; + const char *mode; + UnitFileFlags flags; + int force, runtime, r; + + assert(message); + + 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)) + preset_mode = UNIT_FILE_PRESET_FULL; + else { + preset_mode = unit_file_preset_mode_from_string(mode); + if (preset_mode < 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->runtime_scope, flags, NULL, preset_mode, &changes, &n_changes); + m->unit_file_state_outdated = m->unit_file_state_outdated || n_changes > 0; /* See comments for this variable in manager.h */ + if (r < 0) + return install_error(error, r, changes, n_changes); + + return reply_install_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 = ASSERT_PTR(userdata); + InstallChange *changes = NULL; + size_t n_changes = 0; + int runtime, force, r; + char *target, *type; + UnitDependency dep; + UnitFileFlags flags; + + assert(message); + + 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->runtime_scope, flags, NULL, l, target, dep, &changes, &n_changes); + m->unit_file_state_outdated = m->unit_file_state_outdated || n_changes > 0; /* See comments for this variable in manager.h */ + if (r < 0) + return install_error(error, r, changes, n_changes); + + return reply_install_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; + Manager *m = ASSERT_PTR(userdata); + InstallChange *changes = NULL; + size_t n_changes = 0, i; + const char *name; + int runtime, r; + + CLEANUP_ARRAY(changes, n_changes, install_changes_free); + + 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; + + r = unit_file_disable(m->runtime_scope, + UNIT_FILE_DRY_RUN | (runtime ? UNIT_FILE_RUNTIME : 0), + NULL, STRV_MAKE(name), &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 == INSTALL_CHANGE_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 = ASSERT_PTR(userdata); + uint32_t id; + Job *j; + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + const char *name; + Unit *u; + int r; + + assert(message); + + 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 = ASSERT_PTR(userdata); + ShowStatus mode = _SHOW_STATUS_INVALID; + const char *t; + int r; + + assert(message); + + r = mac_selinux_access_check(message, "reload", error); + if (r < 0) + return r; + + 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 = 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); +} + +static int method_dump_unit_descriptor_store(sd_bus_message *message, void *userdata, sd_bus_error *error) { + return method_generic_unit_operation(message, userdata, error, bus_service_method_dump_file_descriptor_store, 0); +} + +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("ConfidentialVirtualization", "s", property_get_confidential_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("UnitsLoadTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD]), 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, defaults.std_output), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, defaults.std_error), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("WatchdogDevice", "s", property_get_watchdog_device, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("WatchdogLastPingTimestamp", "t", property_get_watchdog_last_ping_realtime, 0, 0), + SD_BUS_PROPERTY("WatchdogLastPingTimestampMonotonic", "t", property_get_watchdog_last_ping_monotonic, 0, 0), + SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", property_get_runtime_watchdog, property_set_runtime_watchdog, 0, 0), + SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreUSec", "t", property_get_pretimeout_watchdog, property_set_pretimeout_watchdog, 0, 0), + SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreGovernor", "s", property_get_pretimeout_watchdog_governor, property_set_pretimeout_watchdog_governor, 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, defaults.timer_accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultTimeoutStartUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultTimeoutStopUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultTimeoutAbortUSec", "t", property_get_default_timeout_abort_usec, 0, 0), + SD_BUS_PROPERTY("DefaultDeviceTimeoutUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.device_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultRestartUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.restart_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultStartLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.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, defaults.start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), + SD_BUS_PROPERTY("DefaultStartLimitInterval", "t", bus_property_get_usec, offsetof(Manager, defaults.start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), + SD_BUS_PROPERTY("DefaultStartLimitBurst", "u", bus_property_get_unsigned, offsetof(Manager, defaults.start_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultCPUAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.cpu_accounting), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultBlockIOAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.blockio_accounting), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultIOAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.io_accounting), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultIPAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.ip_accounting), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultMemoryAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.memory_accounting), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultTasksAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.tasks_accounting), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitCPU", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitCPUSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitFSIZE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitDATA", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitDATASoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitSTACK", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitCORE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitCORESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitRSS", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitRSSSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitNOFILE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitAS", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitASSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitNPROC", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitLOCKS", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitNICE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitNICESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitRTPRIO", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitRTTIME", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultLimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultTasksMax", "t", bus_property_get_tasks_max, offsetof(Manager, defaults.tasks_max), 0), + SD_BUS_PROPERTY("DefaultMemoryPressureThresholdUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.memory_pressure_threshold_usec), 0), + SD_BUS_PROPERTY("DefaultMemoryPressureWatch", "s", bus_property_get_cgroup_pressure_watch, offsetof(Manager, defaults.memory_pressure_watch), 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, defaults.oom_policy), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("DefaultOOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("CtrlAltDelBurstAction", "s", bus_property_get_emergency_action, offsetof(Manager, cad_burst_action), SD_BUS_VTABLE_PROPERTY_CONST), + + SD_BUS_METHOD_WITH_ARGS("GetUnit", + SD_BUS_ARGS("s", name), + SD_BUS_RESULT("o", unit), + method_get_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetUnitByPID", + SD_BUS_ARGS("u", pid), + SD_BUS_RESULT("o", unit), + method_get_unit_by_pid, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetUnitByInvocationID", + SD_BUS_ARGS("ay", invocation_id), + SD_BUS_RESULT("o", unit), + method_get_unit_by_invocation_id, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetUnitByControlGroup", + SD_BUS_ARGS("s", cgroup), + SD_BUS_RESULT("o", unit), + method_get_unit_by_control_group, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetUnitByPIDFD", + SD_BUS_ARGS("h", pidfd), + SD_BUS_RESULT("o", unit, "s", unit_id, "ay", invocation_id), + method_get_unit_by_pidfd, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("LoadUnit", + SD_BUS_ARGS("s", name), + SD_BUS_RESULT("o", unit), + method_load_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("StartUnit", + SD_BUS_ARGS("s", name, "s", mode), + SD_BUS_RESULT("o", job), + method_start_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("StartUnitWithFlags", + SD_BUS_ARGS("s", name, "s", mode, "t", flags), + SD_BUS_RESULT("o", job), + method_start_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("StartUnitReplace", + SD_BUS_ARGS("s", old_unit, "s", new_unit, "s", mode), + SD_BUS_RESULT("o", job), + method_start_unit_replace, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("StopUnit", + SD_BUS_ARGS("s", name, "s", mode), + SD_BUS_RESULT("o", job), + method_stop_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ReloadUnit", + SD_BUS_ARGS("s", name, "s", mode), + SD_BUS_RESULT("o", job), + method_reload_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("RestartUnit", + SD_BUS_ARGS("s", name, "s", mode), + SD_BUS_RESULT("o", job), + method_restart_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("TryRestartUnit", + SD_BUS_ARGS("s", name, "s", mode), + SD_BUS_RESULT("o", job), + method_try_restart_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ReloadOrRestartUnit", + SD_BUS_ARGS("s", name, "s", mode), + SD_BUS_RESULT("o", job), + method_reload_or_restart_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ReloadOrTryRestartUnit", + SD_BUS_ARGS("s", name, "s", mode), + SD_BUS_RESULT("o", job), + method_reload_or_try_restart_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("EnqueueUnitJob", + SD_BUS_ARGS("s", name, "s", job_type, "s", job_mode), + SD_BUS_RESULT("u", job_id, "o", job_path, "s", unit_id, "o", unit_path, "s", job_type, "a(uosos)", affected_jobs), + method_enqueue_unit_job, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("KillUnit", + SD_BUS_ARGS("s", name, "s", whom, "i", signal), + SD_BUS_NO_RESULT, + method_kill_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("QueueSignalUnit", + SD_BUS_ARGS("s", name, "s", whom, "i", signal, "i", value), + SD_BUS_NO_RESULT, + method_kill_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("CleanUnit", + SD_BUS_ARGS("s", name, "as", mask), + SD_BUS_NO_RESULT, + method_clean_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("FreezeUnit", + SD_BUS_ARGS("s", name), + SD_BUS_NO_RESULT, + method_freeze_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ThawUnit", + SD_BUS_ARGS("s", name), + SD_BUS_NO_RESULT, + method_thaw_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ResetFailedUnit", + SD_BUS_ARGS("s", name), + SD_BUS_NO_RESULT, + method_reset_failed_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("SetUnitProperties", + SD_BUS_ARGS("s", name, "b", runtime, "a(sv)", properties), + SD_BUS_NO_RESULT, + method_set_unit_properties, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("BindMountUnit", + SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir), + SD_BUS_NO_RESULT, + method_bind_mount_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("MountImageUnit", + SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir, "a(ss)", options), + SD_BUS_NO_RESULT, + method_mount_image_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("RefUnit", + SD_BUS_ARGS("s", name), + SD_BUS_NO_RESULT, + method_ref_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("UnrefUnit", + SD_BUS_ARGS("s", name), + SD_BUS_NO_RESULT, + method_unref_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("StartTransientUnit", + SD_BUS_ARGS("s", name, "s", mode, "a(sv)", properties, "a(sa(sv))", aux), + SD_BUS_RESULT("o", job), + method_start_transient_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetUnitProcesses", + SD_BUS_ARGS("s", name), + SD_BUS_RESULT("a(sus)", processes), + method_get_unit_processes, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("AttachProcessesToUnit", + SD_BUS_ARGS("s", unit_name, "s", subcgroup, "au", pids), + SD_BUS_NO_RESULT, + method_attach_processes_to_unit, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("AbandonScope", + SD_BUS_ARGS("s", name), + SD_BUS_NO_RESULT, + method_abandon_scope, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetJob", + SD_BUS_ARGS("u", id), + SD_BUS_RESULT("o", job), + method_get_job, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetJobAfter", + SD_BUS_ARGS("u", id), + SD_BUS_RESULT("a(usssoo)", jobs), + method_get_job_waiting, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetJobBefore", + SD_BUS_ARGS("u", id), + SD_BUS_RESULT("a(usssoo)", jobs), + method_get_job_waiting, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("CancelJob", + SD_BUS_ARGS("u", id), + SD_BUS_NO_RESULT, + 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_ARGS("SetShowStatus", + SD_BUS_ARGS("s", mode), + SD_BUS_NO_RESULT, + method_set_show_status, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ListUnits", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("a(ssssssouso)", units), + method_list_units, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ListUnitsFiltered", + SD_BUS_ARGS("as", states), + SD_BUS_RESULT("a(ssssssouso)", units), + method_list_units_filtered, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ListUnitsByPatterns", + SD_BUS_ARGS("as", states, "as", patterns), + SD_BUS_RESULT("a(ssssssouso)", units), + method_list_units_by_patterns, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ListUnitsByNames", + SD_BUS_ARGS("as", names), + SD_BUS_RESULT("a(ssssssouso)", units), + method_list_units_by_names, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ListJobs", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("a(usssoo)", 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_ARGS("Dump", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("s", output), + method_dump, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("DumpUnitsMatchingPatterns", + SD_BUS_ARGS("as", patterns), + SD_BUS_RESULT("s", output), + method_dump_units_matching_patterns, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("DumpByFileDescriptor", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("h", fd), + method_dump_by_fd, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("DumpUnitsMatchingPatternsByFileDescriptor", + SD_BUS_ARGS("as", patterns), + SD_BUS_RESULT("h", fd), + method_dump_units_matching_patterns_by_fd, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("CreateSnapshot", + SD_BUS_ARGS("s", name, "b", cleanup), + SD_BUS_RESULT("o", unit), + method_refuse_snapshot, + SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN), + SD_BUS_METHOD_WITH_ARGS("RemoveSnapshot", + SD_BUS_ARGS("s", name), + SD_BUS_NO_RESULT, + 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_VTABLE_METHOD_NO_REPLY), + 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_WITH_ARGS("SoftReboot", + SD_BUS_ARGS("s", new_root), + SD_BUS_NO_RESULT, + method_soft_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_ARGS("SwitchRoot", + SD_BUS_ARGS("s", new_root, "s", init), + SD_BUS_NO_RESULT, + method_switch_root, + SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), + SD_BUS_METHOD_WITH_ARGS("SetEnvironment", + SD_BUS_ARGS("as", assignments), + SD_BUS_NO_RESULT, + method_set_environment, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("UnsetEnvironment", + SD_BUS_ARGS("as", names), + SD_BUS_NO_RESULT, + method_unset_environment, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("UnsetAndSetEnvironment", + SD_BUS_ARGS("as", names, "as", assignments), + SD_BUS_NO_RESULT, + method_unset_and_set_environment, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("EnqueueMarkedJobs", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("ao", jobs), + method_enqueue_marked_jobs, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ListUnitFiles", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("a(ss)", unit_files), + method_list_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ListUnitFilesByPatterns", + SD_BUS_ARGS("as", states, "as", patterns), + SD_BUS_RESULT("a(ss)", unit_files), + method_list_unit_files_by_patterns, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetUnitFileState", + SD_BUS_ARGS("s", file), + SD_BUS_RESULT("s", state), + method_get_unit_file_state, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("EnableUnitFiles", + SD_BUS_ARGS("as", files, "b", runtime, "b", force), + SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes), + method_enable_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("DisableUnitFiles", + SD_BUS_ARGS("as", files, "b", runtime), + SD_BUS_RESULT("a(sss)", changes), + method_disable_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("EnableUnitFilesWithFlags", + SD_BUS_ARGS("as", files, "t", flags), + SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes), + method_enable_unit_files_with_flags, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("DisableUnitFilesWithFlags", + SD_BUS_ARGS("as", files, "t", flags), + SD_BUS_RESULT("a(sss)", changes), + method_disable_unit_files_with_flags, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("DisableUnitFilesWithFlagsAndInstallInfo", + SD_BUS_ARGS("as", files, "t", flags), + SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes), + method_disable_unit_files_with_flags_and_install_info, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("ReenableUnitFiles", + SD_BUS_ARGS("as", files, "b", runtime, "b", force), + SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes), + method_reenable_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("LinkUnitFiles", + SD_BUS_ARGS("as", files, "b", runtime, "b", force), + SD_BUS_RESULT("a(sss)", changes), + method_link_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("PresetUnitFiles", + SD_BUS_ARGS("as", files, "b", runtime, "b", force), + SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes), + method_preset_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("PresetUnitFilesWithMode", + SD_BUS_ARGS("as", files, "s", mode, "b", runtime, "b", force), + SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes), + method_preset_unit_files_with_mode, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("MaskUnitFiles", + SD_BUS_ARGS("as", files, "b", runtime, "b", force), + SD_BUS_RESULT("a(sss)", changes), + method_mask_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("UnmaskUnitFiles", + SD_BUS_ARGS("as", files, "b", runtime), + SD_BUS_RESULT("a(sss)", changes), + method_unmask_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("RevertUnitFiles", + SD_BUS_ARGS("as", files), + SD_BUS_RESULT("a(sss)", changes), + method_revert_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("SetDefaultTarget", + SD_BUS_ARGS("s", name, "b", force), + SD_BUS_RESULT("a(sss)", changes), + method_set_default_target, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetDefaultTarget", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("s", name), + method_get_default_target, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("PresetAllUnitFiles", + SD_BUS_ARGS("s", mode, "b", runtime, "b", force), + SD_BUS_RESULT("a(sss)", changes), + method_preset_all_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("AddDependencyUnitFiles", + SD_BUS_ARGS("as", files, "s", target, "s", type, "b", runtime, "b", force), + SD_BUS_RESULT("a(sss)", changes), + method_add_dependency_unit_files, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetUnitFileLinks", + SD_BUS_ARGS("s", name, "b", runtime), + SD_BUS_RESULT("as", links), + method_get_unit_file_links, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("SetExitCode", + SD_BUS_ARGS("y", number), + SD_BUS_NO_RESULT, + method_set_exit_code, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByName", + SD_BUS_ARGS("s", name), + SD_BUS_RESULT("u", uid), + method_lookup_dynamic_user_by_name, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByUID", + SD_BUS_ARGS("u", uid), + SD_BUS_RESULT("s", name), + method_lookup_dynamic_user_by_uid, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("GetDynamicUsers", + SD_BUS_NO_ARGS, + SD_BUS_RESULT("a(us)", users), + method_get_dynamic_users, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_ARGS("DumpUnitFileDescriptorStore", + SD_BUS_ARGS("s", name), + SD_BUS_RESULT("a(suuutuusu)", entries), + method_dump_unit_descriptor_store, + SD_BUS_VTABLE_UNPRIVILEGED), + + SD_BUS_SIGNAL_WITH_ARGS("UnitNew", + SD_BUS_ARGS("s", id, "o", unit), + 0), + SD_BUS_SIGNAL_WITH_ARGS("UnitRemoved", + SD_BUS_ARGS("s", id, "o", unit), + 0), + SD_BUS_SIGNAL_WITH_ARGS("JobNew", + SD_BUS_ARGS("u", id, "o", job, "s", unit), + 0), + SD_BUS_SIGNAL_WITH_ARGS("JobRemoved", + SD_BUS_ARGS("u", id, "o", job, "s", unit, "s", result), + 0), + SD_BUS_SIGNAL_WITH_ARGS("StartupFinished", + SD_BUS_ARGS("t", firmware, "t", loader, "t", kernel, "t", initrd, "t", userspace, "t", total), + 0), + SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0), + SD_BUS_SIGNAL_WITH_ARGS("Reloading", + SD_BUS_ARGS("b", 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 = ASSERT_PTR(userdata); + int r; + + assert(bus); + + 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"); +} |