/*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include #include #include #include "alloc-util.h" #include "architecture.h" #include "build.h" #include "bus-common-errors.h" #include "clock-util.h" #include "dbus-execute.h" #include "dbus-job.h" #include "dbus-manager.h" #include "dbus-unit.h" #include "dbus.h" #include "env-util.h" #include "fd-util.h" #include "fileio.h" #include "formats-util.h" #include "install.h" #include "log.h" #include "path-util.h" #include "selinux-access.h" #include "stat-util.h" #include "string-util.h" #include "strv.h" #include "syslog-util.h" #include "virt.h" #include "watchdog.h" static int property_get_version( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { assert(bus); assert(reply); return sd_bus_message_append(reply, "s", PACKAGE_VERSION); } static int property_get_features( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { assert(bus); assert(reply); return sd_bus_message_append(reply, "s", SYSTEMD_FEATURES); } static int property_get_virtualization( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { int v; assert(bus); assert(reply); v = detect_virtualization(); /* Make sure to return the empty string when we detect no virtualization, as that is the API. * * https://github.com/systemd/systemd/issues/1423 */ return sd_bus_message_append( reply, "s", v == VIRTUALIZATION_NONE ? "" : virtualization_to_string(v)); } static int property_get_architecture( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { assert(bus); assert(reply); return sd_bus_message_append(reply, "s", architecture_to_string(uname_architecture())); } 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) { char buf[sizeof("split-usr:cgroups-missing:local-hwclock:")] = "", *e = buf; Manager *m = userdata; assert(bus); assert(reply); assert(m); if (m->taint_usr) e = stpcpy(e, "split-usr:"); if (access("/proc/cgroups", F_OK) < 0) e = stpcpy(e, "cgroups-missing:"); if (clock_is_localtime(NULL) > 0) e = stpcpy(e, "local-hwclock:"); /* remove the last ':' */ if (e != buf) e[-1] = 0; return sd_bus_message_append(reply, "s", buf); } static int property_get_log_target( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { assert(bus); assert(reply); return sd_bus_message_append(reply, "s", log_target_to_string(log_get_target())); } 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) { const char *t; int r; assert(bus); assert(value); r = sd_bus_message_read(value, "s", &t); if (r < 0) return r; return log_set_target_from_string(t); } static int property_get_log_level( 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 *t = NULL; int r; assert(bus); assert(reply); r = log_level_to_string_alloc(log_get_max_level(), &t); if (r < 0) return r; return sd_bus_message_append(reply, "s", t); } 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) { const char *t; int r; assert(bus); assert(value); r = sd_bus_message_read(value, "s", &t); if (r < 0) return r; r = log_set_max_level_from_string(t); if (r == 0) log_info("Setting log level to %s.", t); return r; } static int property_get_n_names( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(bus); assert(reply); assert(m); return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->units)); } static int property_get_n_failed_units( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(bus); assert(reply); assert(m); return sd_bus_message_append(reply, "u", (uint32_t) set_size(m->failed_units)); } static int property_get_n_jobs( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(bus); assert(reply); assert(m); return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->jobs)); } static int property_get_progress( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; double d; assert(bus); assert(reply); assert(m); if (dual_timestamp_is_set(&m->finish_timestamp)) d = 1.0; else d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs); return sd_bus_message_append(reply, "d", d); } static int property_get_system_state( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; assert(bus); assert(reply); assert(m); return sd_bus_message_append(reply, "s", manager_state_to_string(manager_state(m))); } 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) { usec_t *t = userdata; int r; assert(bus); assert(value); assert_cc(sizeof(usec_t) == sizeof(uint64_t)); r = sd_bus_message_read(value, "t", t); if (r < 0) return r; return watchdog_set_timeout(t); } static int property_get_timer_slack_nsec( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { assert(bus); assert(reply); return sd_bus_message_append(reply, "t", (uint64_t) prctl(PR_GET_TIMERSLACK)); } static int method_get_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *path = NULL; Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); /* Anyone can call this method */ r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; if (isempty(name)) { _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; pid_t pid; r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); if (r < 0) return r; r = sd_bus_creds_get_pid(creds, &pid); if (r < 0) return r; u = manager_get_unit_by_pid(m, pid); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Client not member of any unit."); } else { u = manager_get_unit(m, name); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", name); } r = mac_selinux_unit_access_check(u, message, "status", error); if (r < 0) return r; path = unit_dbus_path(u); if (!path) return -ENOMEM; return sd_bus_reply_method_return(message, "o", path); } static int method_get_unit_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *path = NULL; Manager *m = userdata; pid_t pid; Unit *u; int r; assert(message); assert(m); assert_cc(sizeof(pid_t) == sizeof(uint32_t)); /* Anyone can call this method */ r = sd_bus_message_read(message, "u", &pid); if (r < 0) return r; if (pid < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PID " PID_FMT, pid); if (pid == 0) { _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); if (r < 0) return r; r = sd_bus_creds_get_pid(creds, &pid); if (r < 0) return r; } u = manager_get_unit_by_pid(m, pid); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID "PID_FMT" does not belong to any loaded unit.", pid); r = mac_selinux_unit_access_check(u, message, "status", error); if (r < 0) return r; path = unit_dbus_path(u); if (!path) return -ENOMEM; return sd_bus_reply_method_return(message, "o", path); } static int method_load_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *path = NULL; Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); /* Anyone can call this method */ r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; if (isempty(name)) { _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; pid_t pid; r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); if (r < 0) return r; r = sd_bus_creds_get_pid(creds, &pid); if (r < 0) return r; u = manager_get_unit_by_pid(m, pid); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Client not member of any unit."); } else { r = manager_load_unit(m, name, NULL, error, &u); if (r < 0) return r; } r = mac_selinux_unit_access_check(u, message, "status", error); if (r < 0) return r; path = unit_dbus_path(u); if (!path) return -ENOMEM; return sd_bus_reply_method_return(message, "o", path); } static int method_start_unit_generic(sd_bus_message *message, Manager *m, JobType job_type, bool reload_if_possible, sd_bus_error *error) { const char *name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = manager_load_unit(m, name, NULL, error, &u); if (r < 0) return r; return bus_unit_method_start_generic(message, u, job_type, reload_if_possible, error); } static int method_start_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_START, false, error); } static int method_stop_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_STOP, false, error); } static int method_reload_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_RELOAD, false, error); } static int method_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_RESTART, false, error); } static int method_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, false, error); } static int method_reload_or_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_RESTART, true, error); } static int method_reload_or_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, true, error); } static int method_start_unit_replace(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *old_name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &old_name); if (r < 0) return r; u = manager_get_unit(m, old_name); if (!u || !u->job || u->job->type != JOB_START) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name); return method_start_unit_generic(message, m, JOB_START, false, error); } static int method_kill_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; u = manager_get_unit(m, name); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name); return bus_unit_method_kill(message, u, error); } static int method_reset_failed_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; u = manager_get_unit(m, name); if (!u) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name); return bus_unit_method_reset_failed(message, u, error); } static int method_set_unit_properties(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Unit *u; int r; assert(message); assert(m); r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = manager_load_unit(m, name, NULL, error, &u); if (r < 0) return r; r = bus_unit_check_load_state(u, error); if (r < 0) return r; return bus_unit_method_set_properties(message, u, error); } static int transient_unit_from_message( Manager *m, sd_bus_message *message, const char *name, Unit **unit, sd_bus_error *error) { UnitType t; Unit *u; int r; assert(m); assert(message); assert(name); t = unit_name_to_type(name); if (t < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name or type."); if (!unit_vtable[t]->can_transient) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unit type %s does not support transient units.", unit_type_to_string(t)); r = manager_load_unit(m, name, NULL, error, &u); if (r < 0) return r; if (!unit_is_pristine(u)) return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "Unit %s already exists.", name); /* OK, the unit failed to load and is unreferenced, now let's * fill in the transient data instead */ r = unit_make_transient(u); if (r < 0) return r; /* Set our properties */ r = bus_unit_set_properties(u, message, UNIT_RUNTIME, false, error); if (r < 0) return r; /* Now load the missing bits of the unit we just created */ manager_dispatch_load_queue(m); *unit = u; return 0; } static int transient_aux_units_from_message( Manager *m, sd_bus_message *message, sd_bus_error *error) { int r; assert(m); assert(message); r = sd_bus_message_enter_container(message, 'a', "(sa(sv))"); if (r < 0) return r; while ((r = sd_bus_message_enter_container(message, 'r', "sa(sv)")) > 0) { const char *name = NULL; Unit *u; r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = transient_unit_from_message(m, message, name, &u, error); if (r < 0) return r; r = sd_bus_message_exit_container(message); if (r < 0) return r; } if (r < 0) return r; r = sd_bus_message_exit_container(message); if (r < 0) return r; return 0; } static int method_start_transient_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *name, *smode; Manager *m = userdata; JobMode mode; Unit *u; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "start", error); if (r < 0) return r; r = sd_bus_message_read(message, "ss", &name, &smode); if (r < 0) return r; mode = job_mode_from_string(smode); if (mode < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s is invalid.", smode); r = bus_verify_manage_units_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = transient_unit_from_message(m, message, name, &u, error); if (r < 0) return r; r = transient_aux_units_from_message(m, message, error); if (r < 0) return r; /* Finally, start it */ return bus_unit_queue_job(message, u, JOB_START, mode, false, error); } static int method_get_job(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *path = NULL; Manager *m = userdata; uint32_t id; Job *j; int r; assert(message); assert(m); /* Anyone can call this method */ r = sd_bus_message_read(message, "u", &id); if (r < 0) return r; j = manager_get_job(m, id); if (!j) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); r = mac_selinux_unit_access_check(j->unit, message, "status", error); if (r < 0) return r; path = job_dbus_path(j); if (!path) return -ENOMEM; return sd_bus_reply_method_return(message, "o", path); } static int method_cancel_job(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t id; Job *j; int r; assert(message); assert(m); r = sd_bus_message_read(message, "u", &id); if (r < 0) return r; j = manager_get_job(m, id); if (!j) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); return bus_job_method_cancel(message, j, error); } static int method_clear_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_manage_units_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ manager_clear_jobs(m); return sd_bus_reply_method_return(message, NULL); } static int method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_manage_units_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ manager_reset_failed(m); return sd_bus_reply_method_return(message, NULL); } static int list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; const char *k; Iterator i; Unit *u; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)"); if (r < 0) return r; HASHMAP_FOREACH_KEY(u, k, m->units, i) { _cleanup_free_ char *unit_path = NULL, *job_path = NULL; Unit *following; if (k != u->id) continue; following = unit_following(u); 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; 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; } r = 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) : "", job_path ? job_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_list_units(sd_bus_message *message, void *userdata, sd_bus_error *error) { return list_units_filtered(message, userdata, error, 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); } static int method_list_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; Iterator i; Job *j; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "(usssoo)"); if (r < 0) return r; HASHMAP_FOREACH(j, m->jobs, i) { _cleanup_free_ char *unit_path = NULL, *job_path = NULL; job_path = job_dbus_path(j); if (!job_path) return -ENOMEM; unit_path = unit_dbus_path(j->unit); if (!unit_path) return -ENOMEM; r = sd_bus_message_append( reply, "(usssoo)", j->id, j->unit->id, job_type_to_string(j->type), job_state_to_string(j->state), job_path, unit_path); if (r < 0) return r; } r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); } static int method_subscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; if (sd_bus_message_get_bus(message) == m->api_bus) { /* Note that direct bus connection subscribe by * default, we only track peers on the API bus here */ if (!m->subscribed) { r = sd_bus_track_new(sd_bus_message_get_bus(message), &m->subscribed, NULL, NULL); if (r < 0) return r; } r = sd_bus_track_add_sender(m->subscribed, message); if (r < 0) return r; if (r == 0) return sd_bus_error_setf(error, BUS_ERROR_ALREADY_SUBSCRIBED, "Client is already subscribed."); } return sd_bus_reply_method_return(message, NULL); } static int method_unsubscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; if (sd_bus_message_get_bus(message) == m->api_bus) { r = sd_bus_track_remove_sender(m->subscribed, message); if (r < 0) return r; if (r == 0) return sd_bus_error_setf(error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed."); } return sd_bus_reply_method_return(message, NULL); } static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *dump = NULL; _cleanup_fclose_ FILE *f = NULL; Manager *m = userdata; size_t size; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; f = open_memstream(&dump, &size); if (!f) return -ENOMEM; manager_dump_units(m, f, NULL); manager_dump_jobs(m, f, NULL); r = fflush_and_check(f); if (r < 0) return r; return sd_bus_reply_method_return(message, "s", dump); } static int method_refuse_snapshot(sd_bus_message *message, void *userdata, sd_bus_error *error) { return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed."); } static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_reload_daemon_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ /* Instead of sending the reply back right away, we just * remember that we need to and then send it after the reload * is finished. That way the caller knows when the reload * finished. */ assert(!m->queued_message); r = sd_bus_message_new_method_return(message, &m->queued_message); if (r < 0) return r; m->exit_code = MANAGER_RELOAD; return 1; } static int method_reexecute(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = bus_verify_reload_daemon_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ /* We don't send a reply back here, the client should * just wait for us disconnecting. */ m->exit_code = MANAGER_REEXECUTE; return 1; } static int method_exit(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "halt", error); if (r < 0) return r; /* Exit() (in contrast to SetExitCode()) is actually allowed even if * we are running on the host. It will fall back on reboot() in * systemd-shutdown if it cannot do the exit() because it isn't a * container. */ m->exit_code = MANAGER_EXIT; return sd_bus_reply_method_return(message, NULL); } static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reboot", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers."); m->exit_code = MANAGER_REBOOT; return sd_bus_reply_method_return(message, NULL); } static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "halt", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers."); m->exit_code = MANAGER_POWEROFF; return sd_bus_reply_method_return(message, NULL); } static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "halt", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Halt is only supported for system managers."); m->exit_code = MANAGER_HALT; return sd_bus_reply_method_return(message, NULL); } static int method_kexec(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reboot", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "KExec is only supported for system managers."); m->exit_code = 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) { char *ri = NULL, *rt = NULL; const char *root, *init; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reboot", error); if (r < 0) return r; if (!MANAGER_IS_SYSTEM(m)) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Root switching is only supported by system manager."); r = sd_bus_message_read(message, "ss", &root, &init); if (r < 0) return r; if (path_equal(root, "/") || !path_is_absolute(root)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid switch root path %s", root); /* Safety check */ if (isempty(init)) { if (!path_is_os_tree(root)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified switch root path %s does not seem to be an OS tree. os-release file is missing.", root); } else { _cleanup_free_ char *p = NULL; if (!path_is_absolute(init)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid init path %s", init); p = strappend(root, init); if (!p) return -ENOMEM; if (access(p, X_OK) < 0) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified init binary %s does not exist.", p); } rt = strdup(root); if (!rt) return -ENOMEM; if (!isempty(init)) { ri = strdup(init); if (!ri) { free(rt); return -ENOMEM; } } free(m->switch_root); m->switch_root = rt; free(m->switch_root_init); m->switch_root_init = ri; m->exit_code = MANAGER_SWITCH_ROOT; return sd_bus_reply_method_return(message, NULL); } static int method_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **plus = NULL; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = sd_bus_message_read_strv(message, &plus); if (r < 0) return r; if (!strv_env_is_valid(plus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments"); r = bus_verify_set_environment_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = manager_environment_add(m, NULL, plus); if (r < 0) return r; return sd_bus_reply_method_return(message, NULL); } static int method_unset_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **minus = NULL; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = sd_bus_message_read_strv(message, &minus); if (r < 0) return r; if (!strv_env_name_or_assignment_is_valid(minus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments"); r = bus_verify_set_environment_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = manager_environment_add(m, minus, NULL); if (r < 0) return r; return sd_bus_reply_method_return(message, NULL); } static int method_unset_and_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **minus = NULL, **plus = NULL; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "reload", error); if (r < 0) return r; r = sd_bus_message_read_strv(message, &minus); if (r < 0) return r; r = sd_bus_message_read_strv(message, &plus); if (r < 0) return r; if (!strv_env_name_or_assignment_is_valid(minus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments"); if (!strv_env_is_valid(plus)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments"); r = bus_verify_set_environment_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = manager_environment_add(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) { uint8_t code; Manager *m = userdata; int r; assert(message); assert(m); r = mac_selinux_access_check(message, "exit", error); if (r < 0) return r; r = sd_bus_message_read_basic(message, 'y', &code); if (r < 0) return r; if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0) return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "ExitCode can only be set for user service managers or in containers."); m->return_value = code; return sd_bus_reply_method_return(message, NULL); } static int method_list_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; UnitFileList *item; Hashmap *h; Iterator i; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; h = hashmap_new(&string_hash_ops); if (!h) return -ENOMEM; r = unit_file_get_list(m->unit_file_scope, NULL, h); if (r < 0) goto fail; r = sd_bus_message_open_container(reply, 'a', "(ss)"); if (r < 0) goto fail; HASHMAP_FOREACH(item, h, i) { r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state)); if (r < 0) goto fail; } unit_file_list_free(h); r = sd_bus_message_close_container(reply); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); fail: unit_file_list_free(h); return r; } static int method_get_unit_file_state(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; UnitFileState state; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; r = unit_file_get_state(m->unit_file_scope, NULL, name, &state); if (r < 0) return r; return sd_bus_reply_method_return(message, "s", unit_file_state_to_string(state)); } static int method_get_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *default_target = NULL; Manager *m = userdata; int r; assert(message); assert(m); /* Anyone can call this method */ r = mac_selinux_access_check(message, "status", error); if (r < 0) return r; r = unit_file_get_default(m->unit_file_scope, NULL, &default_target); if (r < 0) return r; return sd_bus_reply_method_return(message, "s", default_target); } static int send_unit_files_changed(sd_bus *bus, void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL; int r; assert(bus); r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnitFilesChanged"); if (r < 0) return r; return sd_bus_send(bus, message, NULL); } static int reply_unit_file_changes_and_free( Manager *m, sd_bus_message *message, int carries_install_info, UnitFileChange *changes, unsigned n_changes) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; unsigned i; int r; if (unit_file_changes_have_modification(changes, n_changes)) { r = bus_foreach_bus(m, NULL, send_unit_files_changed, NULL); if (r < 0) log_debug_errno(r, "Failed to send UnitFilesChanged signal: %m"); } r = sd_bus_message_new_method_return(message, &reply); if (r < 0) goto fail; if (carries_install_info >= 0) { r = sd_bus_message_append(reply, "b", carries_install_info); if (r < 0) goto fail; } r = sd_bus_message_open_container(reply, 'a', "(sss)"); if (r < 0) goto fail; for (i = 0; i < n_changes; i++) if (changes[i].type >= 0) { const char *change = unit_file_change_type_to_string(changes[i].type); assert(change != NULL); r = sd_bus_message_append( reply, "(sss)", change, changes[i].path, changes[i].source); if (r < 0) goto fail; } r = sd_bus_message_close_container(reply); if (r < 0) goto fail; unit_file_changes_free(changes, n_changes); return sd_bus_send(NULL, reply, NULL); fail: unit_file_changes_free(changes, n_changes); return r; } /* Create an error reply, using the error information from changes[] * if possible, and fall back to generating an error from error code c. * The error message only describes the first error. * * Coordinate with unit_file_dump_changes() in install.c. */ static int install_error( sd_bus_error *error, int c, UnitFileChange *changes, unsigned n_changes) { int r; unsigned i; assert(c < 0); for (i = 0; i < n_changes; i++) switch(changes[i].type) { case 0 ... INT_MAX: continue; case -EEXIST: if (changes[i].source) r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "File %s already exists and is a symlink to %s.", changes[i].path, changes[i].source); else r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "File %s already exists.", changes[i].path); goto found; case -ERFKILL: r = sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED, "Unit file %s is masked.", changes[i].path); goto found; case -EADDRNOTAVAIL: r = sd_bus_error_setf(error, BUS_ERROR_UNIT_GENERATED, "Unit %s is transient or generated.", changes[i].path); goto found; case -ELOOP: r = sd_bus_error_setf(error, BUS_ERROR_UNIT_LINKED, "Refusing to operate on linked unit file %s", changes[i].path); goto found; default: r = sd_bus_error_set_errnof(error, changes[i].type, "File %s: %m", changes[i].path); goto found; } r = c; found: unit_file_changes_free(changes, n_changes); return r; } static int method_enable_unit_files_generic( sd_bus_message *message, Manager *m, const char *verb, int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], bool force, UnitFileChange **changes, unsigned *n_changes), bool carries_install_info, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; unsigned n_changes = 0; int runtime, force, r; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = sd_bus_message_read(message, "bb", &runtime, &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 = call(m->unit_file_scope, runtime, NULL, l, force, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, carries_install_info ? r : -1, changes, n_changes); } static int method_enable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, "enable", unit_file_enable, true, error); } static int method_reenable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, "enable", unit_file_reenable, true, error); } static int method_link_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, "enable", unit_file_link, false, error); } static int unit_file_preset_without_mode(UnitFileScope scope, bool runtime, const char *root_dir, char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { return unit_file_preset(scope, runtime, root_dir, files, UNIT_FILE_PRESET_FULL, force, 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, "enable", unit_file_preset_without_mode, true, error); } static int method_mask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_enable_unit_files_generic(message, userdata, "disable", unit_file_mask, false, error); } static int method_preset_unit_files_with_mode(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; unsigned n_changes = 0; Manager *m = userdata; UnitFilePresetMode mm; int runtime, force, r; const char *mode; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force); if (r < 0) return r; if (isempty(mode)) mm = UNIT_FILE_PRESET_FULL; else { mm = unit_file_preset_mode_from_string(mode); if (mm < 0) return -EINVAL; } r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_preset(m->unit_file_scope, runtime, NULL, l, mm, force, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, r, changes, n_changes); } static int method_disable_unit_files_generic( sd_bus_message *message, Manager *m, const char *verb, int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], UnitFileChange **changes, unsigned *n_changes), sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; unsigned n_changes = 0; int r, runtime; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = sd_bus_message_read(message, "b", &runtime); 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 = call(m->unit_file_scope, runtime, NULL, l, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes); } static int method_disable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_disable_unit_files_generic(message, userdata, "disable", unit_file_disable, error); } static int method_unmask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { return method_disable_unit_files_generic(message, userdata, "enable", unit_file_unmask, error); } static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; UnitFileChange *changes = NULL; unsigned n_changes = 0; Manager *m = userdata; int r; assert(message); assert(m); r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_revert(m->unit_file_scope, NULL, l, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes); } static int method_set_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) { UnitFileChange *changes = NULL; unsigned n_changes = 0; Manager *m = userdata; const char *name; int force, r; assert(message); assert(m); r = mac_selinux_access_check(message, "enable", error); if (r < 0) return r; r = sd_bus_message_read(message, "sb", &name, &force); if (r < 0) return r; r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_set_default(m->unit_file_scope, NULL, name, force, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes); } static int method_preset_all_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { UnitFileChange *changes = NULL; unsigned n_changes = 0; Manager *m = userdata; UnitFilePresetMode mm; const char *mode; int force, runtime, r; assert(message); assert(m); r = mac_selinux_access_check(message, "enable", error); if (r < 0) return r; r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force); if (r < 0) return r; if (isempty(mode)) mm = UNIT_FILE_PRESET_FULL; else { mm = unit_file_preset_mode_from_string(mode); if (mm < 0) return -EINVAL; } r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = unit_file_preset_all(m->unit_file_scope, runtime, NULL, mm, force, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes); } static int method_add_dependency_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; Manager *m = userdata; UnitFileChange *changes = NULL; unsigned n_changes = 0; int runtime, force, r; char *target, *type; UnitDependency dep; assert(message); assert(m); r = bus_verify_manage_unit_files_async(m, message, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = sd_bus_message_read_strv(message, &l); if (r < 0) return r; r = sd_bus_message_read(message, "ssbb", &target, &type, &runtime, &force); if (r < 0) return r; dep = unit_dependency_from_string(type); if (dep < 0) return -EINVAL; r = unit_file_add_dependency(m->unit_file_scope, runtime, NULL, l, target, dep, force, &changes, &n_changes); if (r < 0) return install_error(error, r, changes, n_changes); return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes); } const sd_bus_vtable bus_manager_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("Version", "s", property_get_version, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Features", "s", property_get_features, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Virtualization", "s", property_get_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Architecture", "s", property_get_architecture, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("Tainted", "s", property_get_tainted, 0, SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("FirmwareTimestamp", offsetof(Manager, firmware_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("LoaderTimestamp", offsetof(Manager, loader_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("KernelTimestamp", offsetof(Manager, kernel_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("InitRDTimestamp", offsetof(Manager, initrd_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("UserspaceTimestamp", offsetof(Manager, userspace_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("FinishTimestamp", offsetof(Manager, finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("SecurityStartTimestamp", offsetof(Manager, security_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("SecurityFinishTimestamp", offsetof(Manager, security_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsStartTimestamp", offsetof(Manager, generators_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsFinishTimestamp", offsetof(Manager, generators_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadStartTimestamp", offsetof(Manager, units_load_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, units_load_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", property_get_log_level, property_set_log_level, 0, 0), SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", property_get_log_target, property_set_log_target, 0, 0), SD_BUS_PROPERTY("NNames", "u", property_get_n_names, 0, 0), SD_BUS_PROPERTY("NFailedUnits", "u", property_get_n_failed_units, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("NJobs", "u", property_get_n_jobs, 0, 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", NULL, offsetof(Manager, environment), 0), SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("ShowStatus", "b", bus_property_get_bool, offsetof(Manager, show_status), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.search_path), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", bus_property_get_usec, property_set_runtime_watchdog, offsetof(Manager, runtime_watchdog), 0), SD_BUS_WRITABLE_PROPERTY("ShutdownWatchdogUSec", "t", bus_property_get_usec, bus_property_set_usec, offsetof(Manager, shutdown_watchdog), 0), SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Manager, cgroup_root), 0), SD_BUS_PROPERTY("SystemState", "s", property_get_system_state, 0, 0), SD_BUS_PROPERTY("ExitCode", "y", bus_property_get_unsigned, offsetof(Manager, return_value), 0), SD_BUS_PROPERTY("DefaultTimerAccuracyUSec", "t", bus_property_get_usec, offsetof(Manager, default_timer_accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTimeoutStartUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTimeoutStopUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultRestartUSec", "t", bus_property_get_usec, offsetof(Manager, default_restart_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultStartLimitInterval", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultStartLimitBurst", "u", bus_property_get_unsigned, offsetof(Manager, default_start_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultCPUAccounting", "b", bus_property_get_bool, offsetof(Manager, default_cpu_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultBlockIOAccounting", "b", bus_property_get_bool, offsetof(Manager, default_blockio_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultMemoryAccounting", "b", bus_property_get_bool, offsetof(Manager, default_memory_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTasksAccounting", "b", bus_property_get_bool, offsetof(Manager, default_tasks_accounting), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCPU", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCPUSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitFSIZE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitDATA", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitDATASoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSTACK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCORE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitCORESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRSS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRSSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNOFILE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitAS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitASSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNPROC", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitLOCKS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNICE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitNICESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTPRIO", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTTIME", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultLimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("DefaultTasksMax", "t", NULL, offsetof(Manager, default_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_METHOD("GetUnit", "s", "o", method_get_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("GetUnitByPID", "u", "o", method_get_unit_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("LoadUnit", "s", "o", method_load_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("StartUnit", "ss", "o", method_start_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("StartUnitReplace", "sss", "o", method_start_unit_replace, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("StopUnit", "ss", "o", method_stop_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ReloadUnit", "ss", "o", method_reload_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("RestartUnit", "ss", "o", method_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("TryRestartUnit", "ss", "o", method_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ReloadOrRestartUnit", "ss", "o", method_reload_or_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ReloadOrTryRestartUnit", "ss", "o", method_reload_or_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("KillUnit", "ssi", NULL, method_kill_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ResetFailedUnit", "s", NULL, method_reset_failed_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("SetUnitProperties", "sba(sv)", NULL, method_set_unit_properties, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("StartTransientUnit", "ssa(sv)a(sa(sv))", "o", method_start_transient_unit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("GetJob", "u", "o", method_get_job, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("CancelJob", "u", NULL, method_cancel_job, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ClearJobs", NULL, NULL, method_clear_jobs, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ResetFailed", NULL, NULL, method_reset_failed, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ListUnits", NULL, "a(ssssssouso)", method_list_units, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ListUnitsFiltered", "as", "a(ssssssouso)", method_list_units_filtered, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ListJobs", NULL, "a(usssoo)", 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("Dump", NULL, "s", method_dump, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("CreateSnapshot", "sb", "o", method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("RemoveSnapshot", "s", NULL, method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Reload", NULL, NULL, method_reload, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Reexecute", NULL, NULL, method_reexecute, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Exit", NULL, NULL, method_exit, 0), SD_BUS_METHOD("Reboot", NULL, NULL, method_reboot, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("PowerOff", NULL, NULL, method_poweroff, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("Halt", NULL, NULL, method_halt, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("KExec", NULL, NULL, method_kexec, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("SwitchRoot", "ss", NULL, method_switch_root, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), SD_BUS_METHOD("SetEnvironment", "as", NULL, method_set_environment, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("UnsetEnvironment", "as", NULL, method_unset_environment, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("UnsetAndSetEnvironment", "asas", NULL, method_unset_and_set_environment, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ListUnitFiles", NULL, "a(ss)", method_list_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("GetUnitFileState", "s", "s", method_get_unit_file_state, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("EnableUnitFiles", "asbb", "ba(sss)", method_enable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("DisableUnitFiles", "asb", "a(sss)", method_disable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ReenableUnitFiles", "asbb", "ba(sss)", method_reenable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("LinkUnitFiles", "asbb", "a(sss)", method_link_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("PresetUnitFiles", "asbb", "ba(sss)", method_preset_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("PresetUnitFilesWithMode", "assbb", "ba(sss)", method_preset_unit_files_with_mode, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("MaskUnitFiles", "asbb", "a(sss)", method_mask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("UnmaskUnitFiles", "asb", "a(sss)", method_unmask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("RevertUnitFiles", "as", "a(sss)", method_revert_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("SetDefaultTarget", "sb", "a(sss)", method_set_default_target, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("GetDefaultTarget", NULL, "s", method_get_default_target, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("PresetAllUnitFiles", "sbb", "a(sss)", method_preset_all_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("AddDependencyUnitFiles", "asssbb", "a(sss)", method_add_dependency_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("SetExitCode", "y", NULL, method_set_exit_code, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_SIGNAL("UnitNew", "so", 0), SD_BUS_SIGNAL("UnitRemoved", "so", 0), SD_BUS_SIGNAL("JobNew", "uos", 0), SD_BUS_SIGNAL("JobRemoved", "uoss", 0), SD_BUS_SIGNAL("StartupFinished", "tttttt", 0), SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0), SD_BUS_SIGNAL("Reloading", "b", 0), SD_BUS_VTABLE_END }; static int send_finished(sd_bus *bus, void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL; usec_t *times = userdata; int r; assert(bus); assert(times); r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartupFinished"); if (r < 0) return r; r = sd_bus_message_append(message, "tttttt", times[0], times[1], times[2], times[3], times[4], times[5]); if (r < 0) return r; return sd_bus_send(bus, message, NULL); } void bus_manager_send_finished( Manager *m, usec_t firmware_usec, usec_t loader_usec, usec_t kernel_usec, usec_t initrd_usec, usec_t userspace_usec, usec_t total_usec) { int r; assert(m); r = bus_foreach_bus( m, NULL, send_finished, (usec_t[6]) { firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec }); if (r < 0) log_debug_errno(r, "Failed to send finished signal: %m"); } static int send_reloading(sd_bus *bus, void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL; int r; assert(bus); r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading"); if (r < 0) return r; r = sd_bus_message_append(message, "b", PTR_TO_INT(userdata)); if (r < 0) return r; return sd_bus_send(bus, message, NULL); } void bus_manager_send_reloading(Manager *m, bool active) { int r; assert(m); r = bus_foreach_bus(m, NULL, send_reloading, INT_TO_PTR(active)); if (r < 0) log_debug_errno(r, "Failed to send reloading signal: %m"); } static int send_changed_signal(sd_bus *bus, void *userdata) { assert(bus); return sd_bus_emit_properties_changed_strv(bus, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", NULL); } void bus_manager_send_change_signal(Manager *m) { int r; assert(m); r = bus_foreach_bus(m, NULL, send_changed_signal, NULL); if (r < 0) log_debug_errno(r, "Failed to send manager change signal: %m"); }