logind-dbus.c revision ceb242292630b4633aa707b565585a1e8bcbfeb8
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering/***
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering This file is part of systemd.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Copyright 2011 Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering systemd is free software; you can redistribute it and/or modify it
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering under the terms of the GNU Lesser General Public License as published by
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering the Free Software Foundation; either version 2.1 of the License, or
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering (at your option) any later version.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering systemd is distributed in the hope that it will be useful, but
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering WITHOUT ANY WARRANTY; without even the implied warranty of
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Lesser General Public License for more details.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering You should have received a copy of the GNU Lesser General Public License
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering along with systemd; If not, see <http://www.gnu.org/licenses/>.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering***/
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <errno.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <string.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <unistd.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <pwd.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "sd-messages.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "strv.h"
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include "mkdir.h"
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include "path-util.h"
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include "special.h"
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include "sleep-config.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "fileio-label.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "unit-name.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "audit.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "bus-util.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "bus-error.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "bus-common-errors.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "udev-util.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "selinux-util.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "logind.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringint manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Session *session;
4b1b14a6a6acb1640596d5e9542829d32989d385Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(ret);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek if (isempty(name)) {
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek if (r < 0)
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek return r;
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek r = sd_bus_creds_get_session(creds, &name);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering session = hashmap_get(m->sessions, name);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!session)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering *ret = session;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return 0;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmekint manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek User *user;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(ret);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (uid == UID_INVALID) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek /* Note that we get the owner UID of the session, not the actual client UID here! */
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek if (r < 0)
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek return r;
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_creds_get_owner_uid(creds, &uid);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek }
091526ab20485492124852dcf629787f35816df8Zbigniew Jędrzejewski-Szmek
091526ab20485492124852dcf629787f35816df8Zbigniew Jędrzejewski-Szmek user = hashmap_get(m->users, UID_TO_PTR(uid));
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!user)
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering *ret = user;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return 0;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmekint manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek Seat *seat;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(ret);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (isempty(name)) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Session *session;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek r = manager_get_session_from_creds(m, message, NULL, error, &session);
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering seat = session->seat;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!seat)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering seat = hashmap_get(m->seats, name);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!seat)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering *ret = seat;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return 0;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmekstatic int property_get_idle_hint(
7384146530ac083efbef62b9ef5bb82c56565cd4Zbigniew Jędrzejewski-Szmek sd_bus *bus,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *path,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *interface,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *property,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus_message *reply,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering void *userdata,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int property_get_idle_since_hint(
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus *bus,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *path,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *interface,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *property,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus_message *reply,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering void *userdata,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering dual_timestamp t;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering manager_get_idle_hint(m, &t);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
ee530d8b73246f29781bd54a707ca75c7ef5a6cbLennart Poettering return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int property_get_inhibited(
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus *bus,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *path,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *interface,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *property,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus_message *reply,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering void *userdata,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering InhibitWhat w;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int property_get_preparing(
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus *bus,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *path,
4b1b14a6a6acb1640596d5e9542829d32989d385Lennart Poettering const char *interface,
4b1b14a6a6acb1640596d5e9542829d32989d385Lennart Poettering const char *property,
4b1b14a6a6acb1640596d5e9542829d32989d385Lennart Poettering sd_bus_message *reply,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering void *userdata,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering bool b;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (streq(property, "PreparingForShutdown"))
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering b = !!(m->action_what & INHIBIT_SHUTDOWN);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering else
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering b = !!(m->action_what & INHIBIT_SLEEP);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_message_append(reply, "b", b);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *name;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Session *session;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_read(message, "s", &name);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = manager_get_session_from_creds(m, message, name, error, &session);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = session_bus_path(session);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_reply_method_return(message, "o", p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Session *session = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering pid_t pid;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert_cc(sizeof(pid_t) == sizeof(uint32_t));
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_read(message, "u", &pid);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (pid <= 0) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = manager_get_session_from_creds(m, message, NULL, error, &session);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = manager_get_session_by_pid(m, pid, &session);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!session)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = session_bus_path(session);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_reply_method_return(message, "o", p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering uint32_t uid;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering User *user;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek assert(message);
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_read(message, "u", &uid);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = manager_get_user_from_creds(m, message, uid, error, &user);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = user_bus_path(user);
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_reply_method_return(message, "o", p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering User *user = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering pid_t pid;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert_cc(sizeof(pid_t) == sizeof(uint32_t));
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_read(message, "u", &pid);
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek if (r < 0)
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek return r;
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (pid <= 0) {
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = manager_get_user_by_pid(m, pid, &user);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!user)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = user_bus_path(user);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_reply_method_return(message, "o", p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *name;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Seat *seat;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_read(message, "s", &name);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = manager_get_seat_from_creds(m, message, name, error, &seat);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = seat_bus_path(seat);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_reply_method_return(message, "o", p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Session *session;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Iterator i;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_new_method_return(message, &reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "(susso)");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering HASHMAP_FOREACH(session, m->sessions, i) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = session_bus_path(session);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_append(reply, "(susso)",
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering session->id,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering (uint32_t) session->user->uid,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering session->user->name,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering session->seat ? session->seat->id : "",
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_close_container(reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_send(bus, reply, NULL);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering User *user;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Iterator i;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_new_method_return(message, &reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "(uso)");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering HASHMAP_FOREACH(user, m->users, i) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = user_bus_path(user);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_append(reply, "(uso)",
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering (uint32_t) user->uid,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering user->name,
c51cf05646a11c65daf65c1123c77efb068f4f7bZbigniew Jędrzejewski-Szmek p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_close_container(reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_send(bus, reply, NULL);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Manager *m = userdata;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Seat *seat;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Iterator i;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(bus);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(message);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(m);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_new_method_return(message, &reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "(so)");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering HASHMAP_FOREACH(seat, m->seats, i) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_free_ char *p = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering p = seat_bus_path(seat);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!p)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_append(reply, "(so)", seat->id, p);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek }
d98cc1c019651b895464161072894a02cc43daabZbigniew Jędrzejewski-Szmek
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = sd_bus_message_close_container(reply);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return sd_bus_send(bus, reply, NULL);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
Manager *m = userdata;
Inhibitor *inhibitor;
Iterator i;
int r;
r = sd_bus_message_new_method_return(message, &reply);
if (r < 0)
return r;
r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
if (r < 0)
return r;
HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
r = sd_bus_message_append(reply, "(ssssuu)",
strempty(inhibit_what_to_string(inhibitor->what)),
strempty(inhibitor->who),
strempty(inhibitor->why),
strempty(inhibit_mode_to_string(inhibitor->mode)),
(uint32_t) inhibitor->uid,
(uint32_t) inhibitor->pid);
if (r < 0)
return r;
}
r = sd_bus_message_close_container(reply);
if (r < 0)
return r;
return sd_bus_send(bus, reply, NULL);
}
static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
uint32_t uid, leader, audit_id = 0;
_cleanup_free_ char *id = NULL;
Session *session = NULL;
Manager *m = userdata;
User *user = NULL;
Seat *seat = NULL;
int remote;
uint32_t vtnr = 0;
SessionType t;
SessionClass c;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
if (r < 0)
return r;
if (leader == 1)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
if (isempty(type))
t = _SESSION_TYPE_INVALID;
else {
t = session_type_from_string(type);
if (t < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
}
if (isempty(class))
c = _SESSION_CLASS_INVALID;
else {
c = session_class_from_string(class);
if (c < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
}
if (isempty(desktop))
desktop = NULL;
else {
if (!string_is_safe(desktop))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
}
if (isempty(cseat))
seat = NULL;
else {
seat = hashmap_get(m->seats, cseat);
if (!seat)
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
}
if (tty_is_vc(tty)) {
int v;
if (!seat)
seat = m->seat0;
else if (seat != m->seat0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id);
v = vtnr_from_tty(tty);
if (v <= 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
if (!vtnr)
vtnr = (uint32_t) v;
else if (vtnr != (uint32_t) v)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
} else if (tty_is_console(tty)) {
if (!seat)
seat = m->seat0;
else if (seat != m->seat0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
if (vtnr != 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
}
if (seat) {
if (seat_has_vts(seat)) {
if (!vtnr || vtnr > 63)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
} else {
if (vtnr != 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
}
}
r = sd_bus_message_enter_container(message, 'a', "(sv)");
if (r < 0)
return r;
if (t == _SESSION_TYPE_INVALID) {
if (!isempty(display))
t = SESSION_X11;
else if (!isempty(tty))
t = SESSION_TTY;
else
t = SESSION_UNSPECIFIED;
}
if (c == _SESSION_CLASS_INVALID) {
if (t == SESSION_UNSPECIFIED)
c = SESSION_BACKGROUND;
else
c = SESSION_USER;
}
if (leader <= 0) {
_cleanup_bus_creds_unref_ 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_t*) &leader);
if (r < 0)
return r;
}
manager_get_session_by_pid(m, leader, &session);
if (session) {
_cleanup_free_ char *path = NULL;
_cleanup_close_ int fifo_fd = -1;
/* Session already exists, client is probably
* something like "su" which changes uid but is still
* the same session */
fifo_fd = session_create_fifo(session);
if (fifo_fd < 0)
return fifo_fd;
path = session_bus_path(session);
if (!path)
return -ENOMEM;
log_debug("Sending reply about an existing session: "
"id=%s object_path=%s uid=%u runtime_path=%s "
"session_fd=%d seat=%s vtnr=%u",
session->id,
path,
(uint32_t) session->user->uid,
session->user->runtime_path,
fifo_fd,
session->seat ? session->seat->id : "",
(uint32_t) session->vtnr);
return sd_bus_reply_method_return(
message, "soshusub",
session->id,
path,
session->user->runtime_path,
fifo_fd,
(uint32_t) session->user->uid,
session->seat ? session->seat->id : "",
(uint32_t) session->vtnr,
true);
}
audit_session_from_pid(leader, &audit_id);
if (audit_id > 0) {
/* Keep our session IDs and the audit session IDs in sync */
if (asprintf(&id, "%"PRIu32, audit_id) < 0)
return -ENOMEM;
/* Wut? There's already a session by this name and we
* didn't find it above? Weird, then let's not trust
* the audit data and let's better register a new
* ID */
if (hashmap_get(m->sessions, id)) {
log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
audit_id = 0;
free(id);
id = NULL;
}
}
if (!id) {
do {
free(id);
id = NULL;
if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
return -ENOMEM;
} while (hashmap_get(m->sessions, id));
}
r = manager_add_user_by_uid(m, uid, &user);
if (r < 0)
goto fail;
r = manager_add_session(m, id, &session);
if (r < 0)
goto fail;
session_set_user(session, user);
session->leader = leader;
session->audit_id = audit_id;
session->type = t;
session->class = c;
session->remote = remote;
session->vtnr = vtnr;
if (!isempty(tty)) {
session->tty = strdup(tty);
if (!session->tty) {
r = -ENOMEM;
goto fail;
}
}
if (!isempty(display)) {
session->display = strdup(display);
if (!session->display) {
r = -ENOMEM;
goto fail;
}
}
if (!isempty(remote_user)) {
session->remote_user = strdup(remote_user);
if (!session->remote_user) {
r = -ENOMEM;
goto fail;
}
}
if (!isempty(remote_host)) {
session->remote_host = strdup(remote_host);
if (!session->remote_host) {
r = -ENOMEM;
goto fail;
}
}
if (!isempty(service)) {
session->service = strdup(service);
if (!session->service) {
r = -ENOMEM;
goto fail;
}
}
if (!isempty(desktop)) {
session->desktop = strdup(desktop);
if (!session->desktop) {
r = -ENOMEM;
goto fail;
}
}
if (seat) {
r = seat_attach_session(seat, session);
if (r < 0)
goto fail;
}
r = session_start(session);
if (r < 0)
goto fail;
session->create_message = sd_bus_message_ref(message);
/* Now, let's wait until the slice unit and stuff got
* created. We send the reply back from
* session_send_create_reply(). */
return 1;
fail:
if (session)
session_add_to_gc_queue(session);
if (user)
user_add_to_gc_queue(user);
return r;
}
static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
Session *session;
const char *name;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
r = manager_get_session_from_creds(m, message, name, error, &session);
if (r < 0)
return r;
r = session_release(session);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
Session *session;
const char *name;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
r = manager_get_session_from_creds(m, message, name, error, &session);
if (r < 0)
return r;
return bus_session_method_activate(bus, message, session, error);
}
static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
const char *session_name, *seat_name;
Manager *m = userdata;
Session *session;
Seat *seat;
int r;
assert(bus);
assert(message);
assert(m);
/* Same as ActivateSession() but refuses to work if
* the seat doesn't match */
r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
if (r < 0)
return r;
r = manager_get_session_from_creds(m, message, session_name, error, &session);
if (r < 0)
return r;
r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
if (r < 0)
return r;
if (session->seat != seat)
return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
r = session_activate(session);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
Session *session;
const char *name;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
r = manager_get_session_from_creds(m, message, name, error, &session);
if (r < 0)
return r;
return bus_session_method_lock(bus, message, session, error);
}
static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
int r;
assert(bus);
assert(message);
assert(m);
r = bus_verify_polkit_async(
message,
CAP_SYS_ADMIN,
"org.freedesktop.login1.lock-sessions",
false,
UID_INVALID,
&m->polkit_registry,
error);
if (r < 0)
return r;
if (r == 0)
return 1; /* Will call us back */
r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
const char *name;
Manager *m = userdata;
Session *session;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
r = manager_get_session_from_creds(m, message, name, error, &session);
if (r < 0)
return r;
return bus_session_method_kill(bus, message, session, error);
}
static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
uint32_t uid;
User *user;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "u", &uid);
if (r < 0)
return r;
r = manager_get_user_from_creds(m, message, uid, error, &user);
if (r < 0)
return r;
return bus_user_method_kill(bus, message, user, error);
}
static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
const char *name;
Session *session;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
r = manager_get_session_from_creds(m, message, name, error, &session);
if (r < 0)
return r;
return bus_session_method_terminate(bus, message, session, error);
}
static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
uint32_t uid;
User *user;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "u", &uid);
if (r < 0)
return r;
r = manager_get_user_from_creds(m, message, uid, error, &user);
if (r < 0)
return r;
return bus_user_method_terminate(bus, message, user, error);
}
static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
const char *name;
Seat *seat;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
r = manager_get_seat_from_creds(m, message, name, error, &seat);
if (r < 0)
return r;
return bus_seat_method_terminate(bus, message, seat, error);
}
static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_free_ char *cc = NULL;
Manager *m = userdata;
int b, r;
struct passwd *pw;
const char *path;
uint32_t uid;
int interactive;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
if (r < 0)
return r;
if (uid == UID_INVALID) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
/* Note that we get the owner UID of the session, not the actual client UID here! */
r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
if (r < 0)
return r;
r = sd_bus_creds_get_owner_uid(creds, &uid);
if (r < 0)
return r;
}
errno = 0;
pw = getpwuid(uid);
if (!pw)
return errno ? -errno : -ENOENT;
r = bus_verify_polkit_async(
message,
CAP_SYS_ADMIN,
"org.freedesktop.login1.set-user-linger",
interactive,
UID_INVALID,
&m->polkit_registry,
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 */
mkdir_p_label("/var/lib/systemd", 0755);
r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
if (r < 0)
return r;
cc = cescape(pw->pw_name);
if (!cc)
return -ENOMEM;
path = strjoina("/var/lib/systemd/linger/", cc);
if (b) {
User *u;
r = touch(path);
if (r < 0)
return r;
if (manager_add_user_by_uid(m, uid, &u) >= 0)
user_start(u);
} else {
User *u;
r = unlink(path);
if (r < 0 && errno != ENOENT)
return -errno;
u = hashmap_get(m->users, UID_TO_PTR(uid));
if (u)
user_add_to_gc_queue(u);
}
return sd_bus_reply_method_return(message, NULL);
}
static int trigger_device(Manager *m, struct udev_device *d) {
_cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
struct udev_list_entry *first, *item;
int r;
assert(m);
e = udev_enumerate_new(m->udev);
if (!e)
return -ENOMEM;
if (d) {
r = udev_enumerate_add_match_parent(e, d);
if (r < 0)
return r;
}
r = udev_enumerate_scan_devices(e);
if (r < 0)
return r;
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
_cleanup_free_ char *t = NULL;
const char *p;
p = udev_list_entry_get_name(item);
t = strappend(p, "/uevent");
if (!t)
return -ENOMEM;
write_string_file(t, "change");
}
return 0;
}
static int attach_device(Manager *m, const char *seat, const char *sysfs) {
_cleanup_udev_device_unref_ struct udev_device *d = NULL;
_cleanup_free_ char *rule = NULL, *file = NULL;
const char *id_for_seat;
int r;
assert(m);
assert(seat);
assert(sysfs);
d = udev_device_new_from_syspath(m->udev, sysfs);
if (!d)
return -ENODEV;
if (!udev_device_has_tag(d, "seat"))
return -ENODEV;
id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
if (!id_for_seat)
return -ENODEV;
if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
return -ENOMEM;
if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
return -ENOMEM;
mkdir_p_label("/etc/udev/rules.d", 0755);
mac_selinux_init("/etc");
r = write_string_file_atomic_label(file, rule);
if (r < 0)
return r;
return trigger_device(m, d);
}
static int flush_devices(Manager *m) {
_cleanup_closedir_ DIR *d;
assert(m);
d = opendir("/etc/udev/rules.d");
if (!d) {
if (errno != ENOENT)
log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
} else {
struct dirent *de;
while ((de = readdir(d))) {
if (!dirent_is_file(de))
continue;
if (!startswith(de->d_name, "72-seat-"))
continue;
if (!endswith(de->d_name, ".rules"))
continue;
if (unlinkat(dirfd(d), de->d_name, 0) < 0)
log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
}
}
return trigger_device(m, NULL);
}
static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
const char *sysfs, *seat;
Manager *m = userdata;
int interactive, r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
if (r < 0)
return r;
if (!path_startswith(sysfs, "/sys"))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
if (!seat_name_is_valid(seat))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
r = bus_verify_polkit_async(
message,
CAP_SYS_ADMIN,
"org.freedesktop.login1.attach-device",
interactive,
UID_INVALID,
&m->polkit_registry,
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 = attach_device(m, seat, sysfs);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
int interactive, r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "b", &interactive);
if (r < 0)
return r;
r = bus_verify_polkit_async(
message,
CAP_SYS_ADMIN,
"org.freedesktop.login1.flush-devices",
interactive,
UID_INVALID,
&m->polkit_registry,
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 = flush_devices(m);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
static int have_multiple_sessions(
Manager *m,
uid_t uid) {
Session *session;
Iterator i;
assert(m);
/* Check for other users' sessions. Greeter sessions do not
* count, and non-login sessions do not count either. */
HASHMAP_FOREACH(session, m->sessions, i)
if (session->class == SESSION_USER &&
session->user->uid != uid)
return true;
return false;
}
static int bus_manager_log_shutdown(
Manager *m,
InhibitWhat w,
const char *unit_name) {
const char *p, *q;
assert(m);
assert(unit_name);
if (w != INHIBIT_SHUTDOWN)
return 0;
if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
p = "MESSAGE=System is powering down.";
q = "SHUTDOWN=power-off";
} else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
p = "MESSAGE=System is halting.";
q = "SHUTDOWN=halt";
} else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
p = "MESSAGE=System is rebooting.";
q = "SHUTDOWN=reboot";
} else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
p = "MESSAGE=System is rebooting with kexec.";
q = "SHUTDOWN=kexec";
} else {
p = "MESSAGE=System is shutting down.";
q = NULL;
}
return log_struct(LOG_NOTICE,
LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
p,
q,
NULL);
}
static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
Manager *m = userdata;
assert(e);
assert(m);
m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
return 0;
}
int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
int r;
assert(m);
if (until <= now(CLOCK_MONOTONIC))
return 0;
/* We want to ignore the lid switch for a while after each
* suspend, and after boot-up. Hence let's install a timer for
* this. As long as the event source exists we ignore the lid
* switch. */
if (m->lid_switch_ignore_event_source) {
usec_t u;
r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
if (r < 0)
return r;
if (until <= u)
return 0;
r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
} else
r = sd_event_add_time(
m->event,
&m->lid_switch_ignore_event_source,
CLOCK_MONOTONIC,
until, 0,
lid_switch_ignore_handler, m);
return r;
}
static int execute_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
const char *unit_name,
sd_bus_error *error) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *p;
char *c;
int r;
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
assert(unit_name);
bus_manager_log_shutdown(m, w, unit_name);
r = sd_bus_call_method(
m->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartUnit",
error,
&reply,
"ss", unit_name, "replace-irreversibly");
if (r < 0)
return r;
r = sd_bus_message_read(reply, "o", &p);
if (r < 0)
return r;
c = strdup(p);
if (!c)
return -ENOMEM;
m->action_unit = unit_name;
free(m->action_job);
m->action_job = c;
m->action_what = w;
/* Make sure the lid switch is ignored for a while */
manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
return 0;
}
static int delay_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
const char *unit_name) {
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
assert(unit_name);
m->action_timestamp = now(CLOCK_MONOTONIC);
m->action_unit = unit_name;
m->action_what = w;
return 0;
}
static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
[INHIBIT_SHUTDOWN] = "PrepareForShutdown",
[INHIBIT_SLEEP] = "PrepareForSleep"
};
int active = _active;
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
assert(signal_name[w]);
return sd_bus_emit_signal(m->bus,
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
signal_name[w],
"b",
active);
}
int bus_manager_shutdown_or_sleep_now_or_later(
Manager *m,
const char *unit_name,
InhibitWhat w,
sd_bus_error *error) {
bool delayed;
int r;
assert(m);
assert(unit_name);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
assert(!m->action_job);
/* Tell everybody to prepare for shutdown/sleep */
send_prepare_for(m, w, true);
delayed =
m->inhibit_delay_max > 0 &&
manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
if (delayed)
/* Shutdown is delayed, keep in mind what we
* want to do, and start a timeout */
r = delay_shutdown_or_sleep(m, w, unit_name);
else
/* Shutdown is not delayed, execute it
* immediately */
r = execute_shutdown_or_sleep(m, w, unit_name, error);
return r;
}
static int method_do_shutdown_or_sleep(
Manager *m,
sd_bus_message *message,
const char *unit_name,
InhibitWhat w,
const char *action,
const char *action_multiple_sessions,
const char *action_ignore_inhibit,
const char *sleep_verb,
sd_bus_message_handler_t method,
sd_bus_error *error) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
bool multiple_sessions, blocked;
int interactive, r;
uid_t uid;
assert(m);
assert(message);
assert(unit_name);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
assert(action);
assert(action_multiple_sessions);
assert(action_ignore_inhibit);
assert(method);
r = sd_bus_message_read(message, "b", &interactive);
if (r < 0)
return r;
/* Don't allow multiple jobs being executed at the same time */
if (m->action_what)
return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
if (sleep_verb) {
r = can_sleep(sleep_verb);
if (r < 0)
return r;
if (r == 0)
return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
}
r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
if (r < 0)
return r;
r = sd_bus_creds_get_euid(creds, &uid);
if (r < 0)
return r;
r = have_multiple_sessions(m, uid);
if (r < 0)
return r;
multiple_sessions = r > 0;
blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
if (multiple_sessions) {
r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, UID_INVALID, &m->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
}
if (blocked) {
r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, UID_INVALID, &m->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
}
if (!multiple_sessions && !blocked) {
r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, UID_INVALID, &m->polkit_registry, 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 = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_do_shutdown_or_sleep(
m, message,
SPECIAL_POWEROFF_TARGET,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.power-off",
"org.freedesktop.login1.power-off-multiple-sessions",
"org.freedesktop.login1.power-off-ignore-inhibit",
NULL,
method_poweroff,
error);
}
static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_do_shutdown_or_sleep(
m, message,
SPECIAL_REBOOT_TARGET,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.reboot",
"org.freedesktop.login1.reboot-multiple-sessions",
"org.freedesktop.login1.reboot-ignore-inhibit",
NULL,
method_reboot,
error);
}
static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_do_shutdown_or_sleep(
m, message,
SPECIAL_SUSPEND_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.suspend",
"org.freedesktop.login1.suspend-multiple-sessions",
"org.freedesktop.login1.suspend-ignore-inhibit",
"suspend",
method_suspend,
error);
}
static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_do_shutdown_or_sleep(
m, message,
SPECIAL_HIBERNATE_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
"org.freedesktop.login1.hibernate-ignore-inhibit",
"hibernate",
method_hibernate,
error);
}
static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_do_shutdown_or_sleep(
m, message,
SPECIAL_HYBRID_SLEEP_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
"org.freedesktop.login1.hibernate-ignore-inhibit",
"hybrid-sleep",
method_hybrid_sleep,
error);
}
static int method_can_shutdown_or_sleep(
Manager *m,
sd_bus_message *message,
InhibitWhat w,
const char *action,
const char *action_multiple_sessions,
const char *action_ignore_inhibit,
const char *sleep_verb,
sd_bus_error *error) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
bool multiple_sessions, challenge, blocked;
const char *result = NULL;
uid_t uid;
int r;
assert(m);
assert(message);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
assert(action);
assert(action_multiple_sessions);
assert(action_ignore_inhibit);
if (sleep_verb) {
r = can_sleep(sleep_verb);
if (r < 0)
return r;
if (r == 0)
return sd_bus_reply_method_return(message, "s", "na");
}
r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
if (r < 0)
return r;
r = sd_bus_creds_get_euid(creds, &uid);
if (r < 0)
return r;
r = have_multiple_sessions(m, uid);
if (r < 0)
return r;
multiple_sessions = r > 0;
blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
if (multiple_sessions) {
r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, UID_INVALID, &challenge, error);
if (r < 0)
return r;
if (r > 0)
result = "yes";
else if (challenge)
result = "challenge";
else
result = "no";
}
if (blocked) {
r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, UID_INVALID, &challenge, error);
if (r < 0)
return r;
if (r > 0 && !result)
result = "yes";
else if (challenge && (!result || streq(result, "yes")))
result = "challenge";
else
result = "no";
}
if (!multiple_sessions && !blocked) {
/* If neither inhibit nor multiple sessions
* apply then just check the normal policy */
r = bus_test_polkit(message, CAP_SYS_BOOT, action, UID_INVALID, &challenge, error);
if (r < 0)
return r;
if (r > 0)
result = "yes";
else if (challenge)
result = "challenge";
else
result = "no";
}
return sd_bus_reply_method_return(message, "s", result);
}
static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_can_shutdown_or_sleep(
m, message,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.power-off",
"org.freedesktop.login1.power-off-multiple-sessions",
"org.freedesktop.login1.power-off-ignore-inhibit",
NULL,
error);
}
static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_can_shutdown_or_sleep(
m, message,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.reboot",
"org.freedesktop.login1.reboot-multiple-sessions",
"org.freedesktop.login1.reboot-ignore-inhibit",
NULL,
error);
}
static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_can_shutdown_or_sleep(
m, message,
INHIBIT_SLEEP,
"org.freedesktop.login1.suspend",
"org.freedesktop.login1.suspend-multiple-sessions",
"org.freedesktop.login1.suspend-ignore-inhibit",
"suspend",
error);
}
static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_can_shutdown_or_sleep(
m, message,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
"org.freedesktop.login1.hibernate-ignore-inhibit",
"hibernate",
error);
}
static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
return method_can_shutdown_or_sleep(
m, message,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
"org.freedesktop.login1.hibernate-ignore-inhibit",
"hybrid-sleep",
error);
}
static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
const char *who, *why, *what, *mode;
_cleanup_free_ char *id = NULL;
_cleanup_close_ int fifo_fd = -1;
Manager *m = userdata;
Inhibitor *i = NULL;
InhibitMode mm;
InhibitWhat w;
pid_t pid;
uid_t uid;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
if (r < 0)
return r;
w = inhibit_what_from_string(what);
if (w <= 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
mm = inhibit_mode_from_string(mode);
if (mm < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
/* Delay is only supported for shutdown/sleep */
if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
/* Don't allow taking delay locks while we are already
* executing the operation. We shouldn't create the impression
* that the lock was successful if the machine is about to go
* down/suspend any moment. */
if (m->action_what & w)
return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
r = bus_verify_polkit_async(
message,
CAP_SYS_BOOT,
w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
"org.freedesktop.login1.inhibit-handle-lid-switch",
false,
UID_INVALID,
&m->polkit_registry,
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_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
if (r < 0)
return r;
r = sd_bus_creds_get_euid(creds, &uid);
if (r < 0)
return r;
r = sd_bus_creds_get_pid(creds, &pid);
if (r < 0)
return r;
do {
free(id);
id = NULL;
if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
return -ENOMEM;
} while (hashmap_get(m->inhibitors, id));
r = manager_add_inhibitor(m, id, &i);
if (r < 0)
return r;
i->what = w;
i->mode = mm;
i->pid = pid;
i->uid = uid;
i->why = strdup(why);
i->who = strdup(who);
if (!i->why || !i->who) {
r = -ENOMEM;
goto fail;
}
fifo_fd = inhibitor_create_fifo(i);
if (fifo_fd < 0) {
r = fifo_fd;
goto fail;
}
inhibitor_start(i);
return sd_bus_reply_method_return(message, "h", fifo_fd);
fail:
if (i)
inhibitor_free(i);
return r;
}
const sd_bus_vtable manager_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_SIGNAL("SessionNew", "so", 0),
SD_BUS_SIGNAL("SessionRemoved", "so", 0),
SD_BUS_SIGNAL("UserNew", "uo", 0),
SD_BUS_SIGNAL("UserRemoved", "uo", 0),
SD_BUS_SIGNAL("SeatNew", "so", 0),
SD_BUS_SIGNAL("SeatRemoved", "so", 0),
SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
SD_BUS_VTABLE_END
};
static int session_jobs_reply(Session *s, const char *unit, const char *result) {
int r = 0;
assert(s);
assert(unit);
if (!s->started)
return r;
if (streq(result, "done"))
r = session_send_create_reply(s, NULL);
else {
_cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
r = session_send_create_reply(s, &e);
}
return r;
}
int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
const char *path, *result, *unit;
Manager *m = userdata;
Session *session;
uint32_t id;
User *user;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
if (r < 0) {
bus_log_parse_error(r);
return r;
}
if (m->action_job && streq(m->action_job, path)) {
log_info("Operation finished.");
/* Tell people that they now may take a lock again */
send_prepare_for(m, m->action_what, false);
free(m->action_job);
m->action_job = NULL;
m->action_unit = NULL;
m->action_what = 0;
return 0;
}
session = hashmap_get(m->session_units, unit);
if (session) {
if (streq_ptr(path, session->scope_job)) {
free(session->scope_job);
session->scope_job = NULL;
}
session_jobs_reply(session, unit, result);
session_save(session);
session_add_to_gc_queue(session);
}
user = hashmap_get(m->user_units, unit);
if (user) {
if (streq_ptr(path, user->service_job)) {
free(user->service_job);
user->service_job = NULL;
}
if (streq_ptr(path, user->slice_job)) {
free(user->slice_job);
user->slice_job = NULL;
}
LIST_FOREACH(sessions_by_user, session, user->sessions) {
session_jobs_reply(session, unit, result);
}
user_save(user);
user_add_to_gc_queue(user);
}
return 0;
}
int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
const char *path, *unit;
Manager *m = userdata;
Session *session;
User *user;
int r;
assert(bus);
assert(message);
assert(m);
r = sd_bus_message_read(message, "so", &unit, &path);
if (r < 0) {
bus_log_parse_error(r);
return r;
}
session = hashmap_get(m->session_units, unit);
if (session)
session_add_to_gc_queue(session);
user = hashmap_get(m->user_units, unit);
if (user)
user_add_to_gc_queue(user);
return 0;
}
int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_free_ char *unit = NULL;
Manager *m = userdata;
const char *path;
Session *session;
User *user;
int r;
assert(bus);
assert(message);
assert(m);
path = sd_bus_message_get_path(message);
if (!path)
return 0;
r = unit_name_from_dbus_path(path, &unit);
if (r == -EINVAL) /* not a unit */
return 0;
if (r < 0)
return r;
session = hashmap_get(m->session_units, unit);
if (session)
session_add_to_gc_queue(session);
user = hashmap_get(m->user_units, unit);
if (user)
user_add_to_gc_queue(user);
return 0;
}
int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Manager *m = userdata;
Session *session;
Iterator i;
int b, r;
assert(bus);
r = sd_bus_message_read(message, "b", &b);
if (r < 0) {
bus_log_parse_error(r);
return r;
}
if (b)
return 0;
/* systemd finished reloading, let's recheck all our sessions */
log_debug("System manager has been reloaded, rechecking sessions...");
HASHMAP_FOREACH(session, m->sessions, i)
session_add_to_gc_queue(session);
return 0;
}
int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
const char *name, *old, *new;
Manager *m = userdata;
Session *session;
Iterator i;
int r;
char *key;
r = sd_bus_message_read(message, "sss", &name, &old, &new);
if (r < 0) {
bus_log_parse_error(r);
return r;
}
if (isempty(old) || !isempty(new))
return 0;
key = set_remove(m->busnames, (char*) old);
if (!key)
return 0;
/* Drop all controllers owned by this name */
free(key);
HASHMAP_FOREACH(session, m->sessions, i)
if (session_is_controller(session, old))
session_drop_controller(session);
return 0;
}
int manager_send_changed(Manager *manager, const char *property, ...) {
char **l;
assert(manager);
l = strv_from_stdarg_alloca(property);
return sd_bus_emit_properties_changed_strv(
manager->bus,
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
l);
}
int manager_dispatch_delayed(Manager *manager) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
Inhibitor *offending = NULL;
int r;
assert(manager);
if (manager->action_what == 0 || manager->action_job)
return 0;
/* Continue delay? */
if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
_cleanup_free_ char *comm = NULL, *u = NULL;
get_process_comm(offending->pid, &comm);
u = uid_to_name(offending->uid);
if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
return 0;
log_info("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
offending->uid, strna(u),
offending->pid, strna(comm));
}
/* Actually do the operation */
r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
if (r < 0) {
log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
manager->action_unit = NULL;
manager->action_what = 0;
return r;
}
return 1;
}
int manager_start_scope(
Manager *manager,
const char *scope,
pid_t pid,
const char *slice,
const char *description,
const char *after, const char *after2,
sd_bus_error *error,
char **job) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
int r;
assert(manager);
assert(scope);
assert(pid > 1);
r = sd_bus_message_new_method_call(
manager->bus,
&m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
if (r < 0)
return r;
r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
if (r < 0)
return r;
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return r;
if (!isempty(slice)) {
r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
if (r < 0)
return r;
}
if (!isempty(description)) {
r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
if (r < 0)
return r;
}
if (!isempty(after)) {
r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
if (r < 0)
return r;
}
if (!isempty(after2)) {
r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
if (r < 0)
return r;
}
/* cgroup empty notification is not available in containers
* currently. To make this less problematic, let's shorten the
* stop timeout for sessions, so that we don't wait
* forever. */
/* Make sure that the session shells are terminated with
* SIGHUP since bash and friends tend to ignore SIGTERM */
r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
if (r < 0)
return r;
r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return r;
r = sd_bus_message_append(m, "a(sa(sv))", 0);
if (r < 0)
return r;
r = sd_bus_call(manager->bus, m, 0, error, &reply);
if (r < 0)
return r;
if (job) {
const char *j;
char *copy;
r = sd_bus_message_read(reply, "o", &j);
if (r < 0)
return r;
copy = strdup(j);
if (!copy)
return -ENOMEM;
*job = copy;
}
return 1;
}
int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
int r;
assert(manager);
assert(unit);
r = sd_bus_call_method(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartUnit",
error,
&reply,
"ss", unit, "fail");
if (r < 0)
return r;
if (job) {
const char *j;
char *copy;
r = sd_bus_message_read(reply, "o", &j);
if (r < 0)
return r;
copy = strdup(j);
if (!copy)
return -ENOMEM;
*job = copy;
}
return 1;
}
int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
int r;
assert(manager);
assert(unit);
r = sd_bus_call_method(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StopUnit",
error,
&reply,
"ss", unit, "fail");
if (r < 0) {
if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
if (job)
*job = NULL;
sd_bus_error_free(error);
return 0;
}
return r;
}
if (job) {
const char *j;
char *copy;
r = sd_bus_message_read(reply, "o", &j);
if (r < 0)
return r;
copy = strdup(j);
if (!copy)
return -ENOMEM;
*job = copy;
}
return 1;
}
int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
_cleanup_free_ char *path = NULL;
int r;
assert(manager);
assert(scope);
path = unit_dbus_path_from_name(scope);
if (!path)
return -ENOMEM;
r = sd_bus_call_method(
manager->bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Scope",
"Abandon",
error,
NULL,
NULL);
if (r < 0) {
if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
sd_bus_error_free(error);
return 0;
}
return r;
}
return 1;
}
int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
assert(manager);
assert(unit);
return sd_bus_call_method(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"KillUnit",
error,
NULL,
"ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
}
int manager_unit_is_active(Manager *manager, const char *unit) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ char *path = NULL;
const char *state;
int r;
assert(manager);
assert(unit);
path = unit_dbus_path_from_name(unit);
if (!path)
return -ENOMEM;
r = sd_bus_get_property(
manager->bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit",
"ActiveState",
&error,
&reply,
"s");
if (r < 0) {
/* systemd might have droppped off momentarily, let's
* not make this an error */
if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
return true;
/* If the unit is already unloaded then it's not
* active */
if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
return false;
return r;
}
r = sd_bus_message_read(reply, "s", &state);
if (r < 0)
return -EINVAL;
return !streq(state, "inactive") && !streq(state, "failed");
}
int manager_job_is_active(Manager *manager, const char *path) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
int r;
assert(manager);
assert(path);
r = sd_bus_get_property(
manager->bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Job",
"State",
&error,
&reply,
"s");
if (r < 0) {
if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
return true;
if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
return false;
return r;
}
/* We don't actually care about the state really. The fact
* that we could read the job state is enough for us */
return true;
}