logind-dbus.c revision 405e0255d5e6950180d9563f1a26294b5360db03
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering/***
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering This file is part of systemd.
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Copyright 2011 Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering systemd is free software; you can redistribute it and/or modify it
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering under the terms of the GNU Lesser General Public License as published by
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering the Free Software Foundation; either version 2.1 of the License, or
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering (at your option) any later version.
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering systemd is distributed in the hope that it will be useful, but
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering WITHOUT ANY WARRANTY; without even the implied warranty of
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Lesser General Public License for more details.
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering You should have received a copy of the GNU Lesser General Public License
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering along with systemd; If not, see <http://www.gnu.org/licenses/>.
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering***/
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include <errno.h>
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include <string.h>
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include <unistd.h>
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include <pwd.h>
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "logind.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "dbus-common.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "strv.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "mkdir.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "path-util.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "polkit.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "special.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "sleep-config.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "systemd/sd-id128.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "systemd/sd-messages.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "fileio-label.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "label.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "utf8.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "unit-name.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "bus-errors.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "virt.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#define BUS_MANAGER_INTERFACE \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <interface name=\"org.freedesktop.login1.Manager\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"GetSession\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"GetSessionByPID\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"GetUser\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"GetUserByPID\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"GetSeat\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"ListSessions\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"ListUsers\">\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"ListSeats\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"CreateSession\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"service\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"scope_properties\" type=\"a(sv)\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"existing\" type=\"b\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"ReleaseSession\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"ActivateSession\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"ActivateSessionOnSeat\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"LockSession\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"UnlockSession\">\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"LockSessions\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"UnlockSessions\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"KillSession\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"KillUser\">\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " </method>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <method name=\"TerminateSession\">\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"TerminateUser\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"TerminateSeat\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"SetUserLinger\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"AttachDevice\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"FlushDevices\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"PowerOff\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <method name=\"Reboot\">\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " </method>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <method name=\"Suspend\">\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " </method>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <method name=\"Hibernate\">\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"HybridSleep\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"CanPowerOff\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"CanReboot\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"CanSuspend\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"CanHibernate\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"CanHybridSleep\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"Inhibit\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </method>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <method name=\"ListInhibitors\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " </method>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <signal name=\"SessionNew\">\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <arg name=\"id\" type=\"s\"/>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <arg name=\"path\" type=\"o\"/>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " </signal>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <signal name=\"SessionRemoved\">\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <arg name=\"id\" type=\"s\"/>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <arg name=\"path\" type=\"o\"/>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " </signal>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <signal name=\"UserNew\">\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <arg name=\"uid\" type=\"u\"/>\n" \
9833a66c7eba011c3740867c80133bc6fa976aa3Lennart Poettering " <arg name=\"path\" type=\"o\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </signal>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <signal name=\"UserRemoved\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"uid\" type=\"u\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"path\" type=\"o\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </signal>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <signal name=\"SeatNew\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"path\" type=\"o\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </signal>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <signal name=\"SeatRemoved\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"id\" type=\"s\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"path\" type=\"o\"/>\n" \
f131770b1465fbf423881f16ba85523a05f846feVeres Lajos " </signal>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <signal name=\"PrepareForShutdown\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"active\" type=\"b\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </signal>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <signal name=\"PrepareForSleep\">\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <arg name=\"active\" type=\"b\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </signal>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"HandleSuspendKey\" type=\"s\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"HandleHibernateKey\" type=\"s\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"IdleAction\" type=\"s\" access=\"read\"/>\n" \
78fe420ff0bb4cd94de3c4d3f15a3021cc3e2878Lennart Poettering " <property name=\"IdleActionUSec\" type=\"t\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"PreparingForShutdown\" type=\"b\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " <property name=\"PreparingForSleep\" type=\"b\" access=\"read\"/>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering " </interface>\n"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#define INTROSPECTION_BEGIN \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering "<node>\n" \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering BUS_MANAGER_INTERFACE \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering BUS_PROPERTIES_INTERFACE \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering BUS_PEER_INTERFACE \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering BUS_INTROSPECTABLE_INTERFACE
f131770b1465fbf423881f16ba85523a05f846feVeres Lajos
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#define INTROSPECTION_END \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering "</node>\n"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#define INTERFACES_LIST \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering BUS_GENERIC_INTERFACES_LIST \
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering "org.freedesktop.login1.Manager\0"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poetteringstatic int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Manager *m = data;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_bool_t b;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(i);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(property);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(m);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering b = manager_get_idle_hint(m, NULL) > 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -ENOMEM;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering}
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poetteringstatic int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Manager *m = data;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dual_timestamp t;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering uint64_t u;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(i);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(property);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(m);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering manager_get_idle_hint(m, &t);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -ENOMEM;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering}
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poetteringstatic int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Manager *m = data;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering InhibitWhat w;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering const char *p;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering p = inhibit_what_to_string(w);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -ENOMEM;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering}
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poetteringstatic int bus_manager_append_preparing(DBusMessageIter *i, const char *property, void *data) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Manager *m = data;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_bool_t b;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(i);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(property);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (streq(property, "PreparingForShutdown"))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering b = !!(m->action_what & INHIBIT_SHUTDOWN);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering b = !!(m->action_what & INHIBIT_SLEEP);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b);
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return 0;
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt}
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poetteringstatic int bus_manager_create_session(Manager *m, DBusMessage *message) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering const char *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *service;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering uint32_t uid, leader, audit_id = 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering _cleanup_free_ char *id = NULL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Session *session = NULL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering User *user = NULL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering Seat *seat = NULL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBusMessageIter iter;
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt dbus_bool_t remote;
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt uint32_t vtnr = 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering SessionType t;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering SessionClass c;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering bool b;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering int r;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(m);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(message);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_init(message, &iter) ||
0b97208d8c39131f8a7cfcfccb5c40b86af44ee5Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &uid);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &leader);
25b3245fb483e52766867dfe33ce271011caaca9Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &service);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &type);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (isempty(type))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering t = _SESSION_TYPE_INVALID;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering t = session_type_from_string(type);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (t < 0)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
5034c7bcdfc4493ed3c30722e9d897c8da78fedeLennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &class);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (isempty(class))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering c = _SESSION_CLASS_INVALID;
5034c7bcdfc4493ed3c30722e9d897c8da78fedeLennart Poettering else {
5034c7bcdfc4493ed3c30722e9d897c8da78fedeLennart Poettering c = session_class_from_string(class);
5034c7bcdfc4493ed3c30722e9d897c8da78fedeLennart Poettering if (c < 0)
5034c7bcdfc4493ed3c30722e9d897c8da78fedeLennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &cseat);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (isempty(cseat))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering seat = NULL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering seat = hashmap_get(m->seats, cseat);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!seat)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -ENOENT;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
124aff6251c095367ce1323a21fa23235cbb0490Lennart Poettering dbus_message_iter_get_basic(&iter, &vtnr);
124aff6251c095367ce1323a21fa23235cbb0490Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &tty);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (tty_is_vc(tty)) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering int v;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!seat)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering seat = m->vtconsole;
0b97208d8c39131f8a7cfcfccb5c40b86af44ee5Lennart Poettering else if (seat != m->vtconsole)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering v = vtnr_from_tty(tty);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (v <= 0)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return v < 0 ? v : -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (vtnr <= 0)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering vtnr = (uint32_t) v;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else if (vtnr != (uint32_t) v)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering } else if (tty_is_console(tty)) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!seat)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering seat = m->vtconsole;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else if (seat != m->vtconsole)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (vtnr != 0)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (seat) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (seat_can_multi_session(seat)) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (vtnr > 63)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering } else {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (vtnr != 0)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_basic(&iter, &display);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_message_iter_next(&iter) ||
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (t == _SESSION_TYPE_INVALID) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!isempty(display))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering t = SESSION_X11;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else if (!isempty(tty))
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering t = SESSION_TTY;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering t = SESSION_UNSPECIFIED;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (c == _SESSION_CLASS_INVALID) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!isempty(display) || !isempty(tty))
0b97208d8c39131f8a7cfcfccb5c40b86af44ee5Lennart Poettering c = SESSION_USER;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering c = SESSION_BACKGROUND;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering }
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering dbus_message_iter_get_basic(&iter, &remote);
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (!dbus_message_iter_next(&iter) ||
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering return -EINVAL;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering dbus_message_iter_get_basic(&iter, &remote_user);
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (!dbus_message_iter_next(&iter) ||
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering return -EINVAL;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering dbus_message_iter_get_basic(&iter, &remote_host);
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (leader <= 0) {
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering leader = bus_get_unix_process_id(m->bus, dbus_message_get_sender(message), NULL);
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (leader == 0)
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering return -EINVAL;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering }
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering r = manager_get_session_by_pid(m, leader, &session);
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (session) {
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering _cleanup_free_ char *path = NULL;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering _cleanup_close_ int fifo_fd = -1;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering dbus_bool_t exists;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering /* Session already exists, client is probably
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering * something like "su" which changes uid but is still
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering * the same session */
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering fifo_fd = session_create_fifo(session);
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (fifo_fd < 0) {
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering r = fifo_fd;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering goto fail;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering }
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering path = session_bus_path(session);
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (!path) {
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering r = -ENOMEM;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering goto fail;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering }
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering reply = dbus_message_new_method_return(message);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!reply) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering r = -ENOMEM;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering goto fail;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering cseat = session->seat ? session->seat->id : "";
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering vtnr = session->vtnr;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering exists = true;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering b = dbus_message_append_args(
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering reply,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_TYPE_STRING, &session->id,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_TYPE_OBJECT_PATH, &path,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_TYPE_STRING, &session->user->runtime_path,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_TYPE_UNIX_FD, &fifo_fd,
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt DBUS_TYPE_STRING, &cseat,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_TYPE_UINT32, &vtnr,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_TYPE_BOOLEAN, &exists,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering DBUS_TYPE_INVALID);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!b) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering r = -ENOMEM;
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt goto fail;
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (!dbus_connection_send(m->bus, reply, NULL)) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering r = -ENOMEM;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering goto fail;
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt }
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt audit_session_from_pid(leader, &audit_id);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (audit_id > 0) {
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering /* Keep our session IDs and the audit session IDs in sync */
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) {
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt r = -ENOMEM;
4d9ced9956755901238fede6fc5a3d7e4e816aa6Lennart Poettering goto fail;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
/* 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)) {
audit_id = 0;
free(id);
id = NULL;
}
}
if (!id) {
do {
free(id);
id = NULL;
if (asprintf(&id, "c%lu", ++m->session_counter) < 0) {
r = -ENOMEM;
goto fail;
}
} 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 (seat) {
r = seat_attach_session(seat, session);
if (r < 0)
goto fail;
}
r = session_start(session);
if (r < 0)
goto fail;
session->create_message = dbus_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 0;
fail:
if (session)
session_add_to_gc_queue(session);
if (user)
user_add_to_gc_queue(user);
return r;
}
static int bus_manager_inhibit(
Manager *m,
DBusConnection *connection,
DBusMessage *message,
DBusError *error,
DBusMessage **_reply) {
Inhibitor *i = NULL;
char *id = NULL;
const char *who, *why, *what, *mode;
pid_t pid;
InhibitWhat w;
InhibitMode mm;
unsigned long ul;
int r, fifo_fd = -1;
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
assert(m);
assert(connection);
assert(message);
assert(error);
assert(_reply);
if (!dbus_message_get_args(
message,
error,
DBUS_TYPE_STRING, &what,
DBUS_TYPE_STRING, &who,
DBUS_TYPE_STRING, &why,
DBUS_TYPE_STRING, &mode,
DBUS_TYPE_INVALID)) {
r = -EIO;
goto fail;
}
w = inhibit_what_from_string(what);
if (w <= 0) {
r = -EINVAL;
goto fail;
}
mm = inhibit_mode_from_string(mode);
if (mm < 0) {
r = -EINVAL;
goto fail;
}
/* Delay is only supported for shutdown/sleep */
if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) {
r = -EINVAL;
goto fail;
}
/* 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) {
r = -EALREADY;
goto fail;
}
r = verify_polkit(connection, message,
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, NULL, error);
if (r < 0)
goto fail;
ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
if (ul == (unsigned long) -1) {
r = -EIO;
goto fail;
}
pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error);
if (pid <= 0) {
r = -EIO;
goto fail;
}
do {
free(id);
id = NULL;
if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) {
r = -ENOMEM;
goto fail;
}
} while (hashmap_get(m->inhibitors, id));
r = manager_add_inhibitor(m, id, &i);
free(id);
if (r < 0)
goto fail;
i->what = w;
i->mode = mm;
i->pid = pid;
i->uid = (uid_t) ul;
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;
}
reply = dbus_message_new_method_return(message);
if (!reply) {
r = -ENOMEM;
goto fail;
}
if (!dbus_message_append_args(
reply,
DBUS_TYPE_UNIX_FD, &fifo_fd,
DBUS_TYPE_INVALID)) {
r = -ENOMEM;
goto fail;
}
close_nointr_nofail(fifo_fd);
*_reply = reply;
reply = NULL;
inhibitor_start(i);
return 0;
fail:
if (i)
inhibitor_free(i);
if (fifo_fd >= 0)
close_nointr_nofail(fifo_fd);
return r;
}
static int trigger_device(Manager *m, struct udev_device *d) {
struct udev_enumerate *e;
struct udev_list_entry *first, *item;
int r;
assert(m);
e = udev_enumerate_new(m->udev);
if (!e) {
r = -ENOMEM;
goto finish;
}
if (d) {
if (udev_enumerate_add_match_parent(e, d) < 0) {
r = -EIO;
goto finish;
}
}
if (udev_enumerate_scan_devices(e) < 0) {
r = -EIO;
goto finish;
}
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
char *t;
const char *p;
p = udev_list_entry_get_name(item);
t = strappend(p, "/uevent");
if (!t) {
r = -ENOMEM;
goto finish;
}
write_string_file(t, "change");
free(t);
}
r = 0;
finish:
if (e)
udev_enumerate_unref(e);
return r;
}
static int attach_device(Manager *m, const char *seat, const char *sysfs) {
struct udev_device *d;
_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")) {
r = -ENODEV;
goto finish;
}
id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
if (!id_for_seat) {
r = -ENODEV;
goto finish;
}
if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) {
r = -ENOMEM;
goto finish;
}
if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) {
r = -ENOMEM;
goto finish;
}
mkdir_p_label("/etc/udev/rules.d", 0755);
label_init("/etc");
r = write_string_file_atomic_label(file, rule);
if (r < 0)
goto finish;
r = trigger_device(m, d);
finish:
if (d)
udev_device_unref(d);
return r;
}
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("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("Failed to unlink %s: %m", de->d_name);
}
}
return trigger_device(m, 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, MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
p,
q, NULL);
}
static int execute_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
const char *unit_name,
DBusError *error) {
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
const char *mode = "replace-irreversibly", *p;
int r;
char *c;
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
assert(unit_name);
bus_manager_log_shutdown(m, w, unit_name);
r = bus_method_call_with_reply(
m->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartUnit",
&reply,
error,
DBUS_TYPE_STRING, &unit_name,
DBUS_TYPE_STRING, &mode,
DBUS_TYPE_INVALID);
if (r < 0)
return r;
if (!dbus_message_get_args(
reply,
error,
DBUS_TYPE_OBJECT_PATH, &p,
DBUS_TYPE_INVALID))
return -EINVAL;
c = strdup(p);
if (!c)
return -ENOMEM;
m->action_unit = unit_name;
free(m->action_job);
m->action_job = c;
m->action_what = w;
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 bus_manager_can_shutdown_or_sleep(
Manager *m,
DBusConnection *connection,
DBusMessage *message,
InhibitWhat w,
const char *action,
const char *action_multiple_sessions,
const char *action_ignore_inhibit,
const char *sleep_verb,
DBusError *error,
DBusMessage **_reply) {
bool multiple_sessions, challenge, blocked, b;
const char *result = NULL;
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
int r;
unsigned long ul;
assert(m);
assert(connection);
assert(message);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
assert(action);
assert(action_multiple_sessions);
assert(action_ignore_inhibit);
assert(error);
assert(_reply);
if (sleep_verb) {
r = can_sleep(sleep_verb);
if (r < 0)
return r;
if (r == 0) {
result = "na";
goto finish;
}
}
ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
if (ul == (unsigned long) -1)
return -EIO;
r = have_multiple_sessions(m, (uid_t) ul);
if (r < 0)
return r;
multiple_sessions = r > 0;
blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul);
if (multiple_sessions) {
r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error);
if (r < 0)
return r;
if (r > 0)
result = "yes";
else if (challenge)
result = "challenge";
else
result = "no";
}
if (blocked) {
r = verify_polkit(connection, message, action_ignore_inhibit, false, &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 = verify_polkit(connection, message, action, false, &challenge, error);
if (r < 0)
return r;
if (r > 0)
result = "yes";
else if (challenge)
result = "challenge";
else
result = "no";
}
finish:
reply = dbus_message_new_method_return(message);
if (!reply)
return -ENOMEM;
b = dbus_message_append_args(
reply,
DBUS_TYPE_STRING, &result,
DBUS_TYPE_INVALID);
if (!b)
return -ENOMEM;
*_reply = reply;
reply = NULL;
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"
};
dbus_bool_t active = _active;
_cleanup_dbus_message_unref_ DBusMessage *message = NULL;
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
assert(signal_name[w]);
message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]);
if (!message)
return -ENOMEM;
if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) ||
!dbus_connection_send(m->bus, message, NULL))
return -ENOMEM;
return 0;
}
int bus_manager_shutdown_or_sleep_now_or_later(
Manager *m,
const char *unit_name,
InhibitWhat w,
DBusError *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);
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 bus_manager_do_shutdown_or_sleep(
Manager *m,
DBusConnection *connection,
DBusMessage *message,
const char *unit_name,
InhibitWhat w,
const char *action,
const char *action_multiple_sessions,
const char *action_ignore_inhibit,
const char *sleep_verb,
DBusError *error,
DBusMessage **_reply) {
dbus_bool_t interactive;
bool multiple_sessions, blocked;
DBusMessage *reply = NULL;
int r;
unsigned long ul;
assert(m);
assert(connection);
assert(message);
assert(unit_name);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
assert(action);
assert(action_multiple_sessions);
assert(action_ignore_inhibit);
assert(error);
assert(_reply);
/* Don't allow multiple jobs being executed at the same time */
if (m->action_what)
return -EALREADY;
if (!dbus_message_get_args(
message,
error,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID))
return -EINVAL;
if (sleep_verb) {
r = can_sleep(sleep_verb);
if (r < 0)
return r;
if (r == 0)
return -ENOTSUP;
}
ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
if (ul == (unsigned long) -1)
return -EIO;
r = have_multiple_sessions(m, (uid_t) ul);
if (r < 0)
return r;
multiple_sessions = r > 0;
blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul);
if (multiple_sessions) {
r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error);
if (r < 0)
return r;
}
if (blocked) {
r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error);
if (r < 0)
return r;
}
if (!multiple_sessions && !blocked) {
r = verify_polkit(connection, message, action, interactive, NULL, error);
if (r < 0)
return r;
}
r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
if (r < 0)
return r;
reply = dbus_message_new_method_return(message);
if (!reply)
return -ENOMEM;
*_reply = reply;
return 0;
}
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_action, handle_action, HandleAction);
static const BusProperty bus_login_manager_properties[] = {
{ "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) },
{ "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true },
{ "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true },
{ "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) },
{ "IdleHint", bus_manager_append_idle_hint, "b", 0 },
{ "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 },
{ "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 },
{ "BlockInhibited", bus_manager_append_inhibited, "s", 0 },
{ "DelayInhibited", bus_manager_append_inhibited, "s", 0 },
{ "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) },
{ "HandlePowerKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_power_key) },
{ "HandleSuspendKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_suspend_key) },
{ "HandleHibernateKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_hibernate_key)},
{ "HandleLidSwitch", bus_manager_append_handle_action, "s", offsetof(Manager, handle_lid_switch) },
{ "IdleAction", bus_manager_append_handle_action, "s", offsetof(Manager, idle_action) },
{ "IdleActionUSec", bus_property_append_usec, "t", offsetof(Manager, idle_action_usec) },
{ "PreparingForShutdown", bus_manager_append_preparing, "b", 0 },
{ "PreparingForSleep", bus_manager_append_preparing, "b", 0 },
{ NULL, }
};
static DBusHandlerResult manager_message_handler(
DBusConnection *connection,
DBusMessage *message,
void *userdata) {
Manager *m = userdata;
DBusError error;
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
int r;
assert(connection);
assert(message);
assert(m);
dbus_error_init(&error);
if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) {
const char *name;
char *p;
Session *session;
bool b;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
session = hashmap_get(m->sessions, name);
if (!session)
return bus_send_error_reply(connection, message, &error, -ENOENT);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
p = session_bus_path(session);
if (!p)
goto oom;
b = dbus_message_append_args(
reply,
DBUS_TYPE_OBJECT_PATH, &p,
DBUS_TYPE_INVALID);
free(p);
if (!b)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) {
uint32_t pid;
char *p;
Session *session;
bool b;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_UINT32, &pid,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
r = manager_get_session_by_pid(m, pid, &session);
if (r <= 0)
return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
p = session_bus_path(session);
if (!p)
goto oom;
b = dbus_message_append_args(
reply,
DBUS_TYPE_OBJECT_PATH, &p,
DBUS_TYPE_INVALID);
free(p);
if (!b)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) {
uint32_t uid;
char *p;
User *user;
bool b;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_UINT32, &uid,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
if (!user)
return bus_send_error_reply(connection, message, &error, -ENOENT);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
p = user_bus_path(user);
if (!p)
goto oom;
b = dbus_message_append_args(
reply,
DBUS_TYPE_OBJECT_PATH, &p,
DBUS_TYPE_INVALID);
free(p);
if (!b)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUserByPID")) {
uint32_t pid;
char *p;
User *user;
bool b;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_UINT32, &pid,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
r = manager_get_user_by_pid(m, pid, &user);
if (r <= 0)
return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
p = user_bus_path(user);
if (!p)
goto oom;
b = dbus_message_append_args(
reply,
DBUS_TYPE_OBJECT_PATH, &p,
DBUS_TYPE_INVALID);
free(p);
if (!b)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) {
const char *name;
char *p;
Seat *seat;
bool b;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
seat = hashmap_get(m->seats, name);
if (!seat)
return bus_send_error_reply(connection, message, &error, -ENOENT);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
p = seat_bus_path(seat);
if (!p)
goto oom;
b = dbus_message_append_args(
reply,
DBUS_TYPE_OBJECT_PATH, &p,
DBUS_TYPE_INVALID);
free(p);
if (!b)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) {
char *p;
Session *session;
Iterator i;
DBusMessageIter iter, sub;
const char *empty = "";
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
dbus_message_iter_init_append(reply, &iter);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub))
goto oom;
HASHMAP_FOREACH(session, m->sessions, i) {
DBusMessageIter sub2;
uint32_t uid;
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
goto oom;
uid = session->user->uid;
p = session_bus_path(session);
if (!p)
goto oom;
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
free(p);
goto oom;
}
free(p);
if (!dbus_message_iter_close_container(&sub, &sub2))
goto oom;
}
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) {
User *user;
Iterator i;
DBusMessageIter iter, sub;
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
dbus_message_iter_init_append(reply, &iter);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub))
goto oom;
HASHMAP_FOREACH(user, m->users, i) {
_cleanup_free_ char *p = NULL;
DBusMessageIter sub2;
uint32_t uid;
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
goto oom;
uid = user->uid;
p = user_bus_path(user);
if (!p)
goto oom;
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
free(p);
goto oom;
}
if (!dbus_message_iter_close_container(&sub, &sub2))
goto oom;
}
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) {
Seat *seat;
Iterator i;
DBusMessageIter iter, sub;
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
dbus_message_iter_init_append(reply, &iter);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub))
goto oom;
HASHMAP_FOREACH(seat, m->seats, i) {
_cleanup_free_ char *p = NULL;
DBusMessageIter sub2;
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
goto oom;
p = seat_bus_path(seat);
if (!p)
goto oom;
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
free(p);
goto oom;
}
if (!dbus_message_iter_close_container(&sub, &sub2))
goto oom;
}
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) {
Inhibitor *inhibitor;
Iterator i;
DBusMessageIter iter, sub;
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
dbus_message_iter_init_append(reply, &iter);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub))
goto oom;
HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
DBusMessageIter sub2;
dbus_uint32_t uid, pid;
const char *what, *who, *why, *mode;
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
goto oom;
what = strempty(inhibit_what_to_string(inhibitor->what));
who = strempty(inhibitor->who);
why = strempty(inhibitor->why);
mode = strempty(inhibit_mode_to_string(inhibitor->mode));
uid = (dbus_uint32_t) inhibitor->uid;
pid = (dbus_uint32_t) inhibitor->pid;
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid))
goto oom;
if (!dbus_message_iter_close_container(&sub, &sub2))
goto oom;
}
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) {
r = bus_manager_inhibit(m, connection, message, &error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) {
r = bus_manager_create_session(m, message);
/* Don't delay the work on OOM here, since it might be
* triggered by a low RLIMIT_NOFILE here (since we
* send a dupped fd to the client), and we'd rather
* see this fail quickly then be retried later */
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) {
const char *name;
Session *session;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
session = hashmap_get(m->sessions, name);
if (!session)
return bus_send_error_reply(connection, message, &error, -ENOENT);
/* We use the FIFO to detect stray sessions where the
process invoking PAM dies abnormally. We need to make
sure that that process is not killed if at the clean
end of the session it closes the FIFO. Hence, with
this call explicitly turn off the FIFO logic, so that
the PAM code can finish clean up on its own */
session_remove_fifo(session);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) {
const char *name;
Session *session;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
session = hashmap_get(m->sessions, name);
if (!session)
return bus_send_error_reply(connection, message, &error, -ENOENT);
r = session_activate(session);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) {
const char *session_name, *seat_name;
Session *session;
Seat *seat;
/* Same as ActivateSession() but refuses to work if
* the seat doesn't match */
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &session_name,
DBUS_TYPE_STRING, &seat_name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
session = hashmap_get(m->sessions, session_name);
if (!session)
return bus_send_error_reply(connection, message, &error, -ENOENT);
seat = hashmap_get(m->seats, seat_name);
if (!seat)
return bus_send_error_reply(connection, message, &error, -ENOENT);
if (session->seat != seat)
return bus_send_error_reply(connection, message, &error, -EINVAL);
r = session_activate(session);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") ||
dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) {
const char *name;
Session *session;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
session = hashmap_get(m->sessions, name);
if (!session)
return bus_send_error_reply(connection, message, NULL, -ENOENT);
if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0)
goto oom;
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions") ||
dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSessions")) {
r = session_send_lock_all(m, streq(dbus_message_get_member(message), "LockSessions"));
if (r < 0)
bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) {
const char *swho;
int32_t signo;
KillWho who;
const char *name;
Session *session;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &swho,
DBUS_TYPE_INT32, &signo,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
if (isempty(swho))
who = KILL_ALL;
else {
who = kill_who_from_string(swho);
if (who < 0)
return bus_send_error_reply(connection, message, &error, -EINVAL);
}
if (signo <= 0 || signo >= _NSIG)
return bus_send_error_reply(connection, message, &error, -EINVAL);
session = hashmap_get(m->sessions, name);
if (!session)
return bus_send_error_reply(connection, message, &error, -ENOENT);
r = session_kill(session, who, signo);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) {
uint32_t uid;
User *user;
int32_t signo;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_UINT32, &uid,
DBUS_TYPE_INT32, &signo,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
if (signo <= 0 || signo >= _NSIG)
return bus_send_error_reply(connection, message, &error, -EINVAL);
user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
if (!user)
return bus_send_error_reply(connection, message, &error, -ENOENT);
r = user_kill(user, signo);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) {
const char *name;
Session *session;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
session = hashmap_get(m->sessions, name);
if (!session)
return bus_send_error_reply(connection, message, &error, -ENOENT);
r = session_stop(session);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) {
uint32_t uid;
User *user;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_UINT32, &uid,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
if (!user)
return bus_send_error_reply(connection, message, &error, -ENOENT);
r = user_stop(user);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) {
const char *name;
Seat *seat;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
seat = hashmap_get(m->seats, name);
if (!seat)
return bus_send_error_reply(connection, message, &error, -ENOENT);
r = seat_stop_sessions(seat);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) {
uint32_t uid;
struct passwd *pw;
dbus_bool_t b, interactive;
char *path;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_UINT32, &uid,
DBUS_TYPE_BOOLEAN, &b,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
errno = 0;
pw = getpwuid(uid);
if (!pw)
return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL);
r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
mkdir_p_label("/var/lib/systemd", 0755);
r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
path = strappend("/var/lib/systemd/linger/", pw->pw_name);
if (!path)
goto oom;
if (b) {
User *u;
r = touch(path);
free(path);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
if (manager_add_user_by_uid(m, uid, &u) >= 0)
user_start(u);
} else {
User *u;
r = unlink(path);
free(path);
if (r < 0 && errno != ENOENT)
return bus_send_error_reply(connection, message, &error, -errno);
u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
if (u)
user_add_to_gc_queue(u);
}
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) {
const char *sysfs, *seat;
dbus_bool_t interactive;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &seat,
DBUS_TYPE_STRING, &sysfs,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat))
return bus_send_error_reply(connection, message, NULL, -EINVAL);
r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
r = attach_device(m, seat, sysfs);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, -EINVAL);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) {
dbus_bool_t interactive;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
r = flush_devices(m);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, -EINVAL);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) {
r = bus_manager_do_shutdown_or_sleep(
m, connection, 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,
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) {
r = bus_manager_do_shutdown_or_sleep(
m, connection, message,
SPECIAL_REBOOT_TARGET,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.reboot",
"org.freedesktop.login1.reboot-multiple-sessions",
"org.freedesktop.login1.reboot-ignore-inhibit",
NULL,
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) {
r = bus_manager_do_shutdown_or_sleep(
m, connection, message,
SPECIAL_SUSPEND_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.suspend",
"org.freedesktop.login1.suspend-multiple-sessions",
"org.freedesktop.login1.suspend-ignore-inhibit",
"suspend",
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Hibernate")) {
r = bus_manager_do_shutdown_or_sleep(
m, connection, message,
SPECIAL_HIBERNATE_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
"org.freedesktop.login1.hibernate-ignore-inhibit",
"hibernate",
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "HybridSleep")) {
r = bus_manager_do_shutdown_or_sleep(
m, connection, 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",
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) {
r = bus_manager_can_shutdown_or_sleep(
m, connection, message,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.power-off",
"org.freedesktop.login1.power-off-multiple-sessions",
"org.freedesktop.login1.power-off-ignore-inhibit",
NULL,
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) {
r = bus_manager_can_shutdown_or_sleep(
m, connection, message,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.reboot",
"org.freedesktop.login1.reboot-multiple-sessions",
"org.freedesktop.login1.reboot-ignore-inhibit",
NULL,
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) {
r = bus_manager_can_shutdown_or_sleep(
m, connection, message,
INHIBIT_SLEEP,
"org.freedesktop.login1.suspend",
"org.freedesktop.login1.suspend-multiple-sessions",
"org.freedesktop.login1.suspend-ignore-inhibit",
"suspend",
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) {
r = bus_manager_can_shutdown_or_sleep(
m, connection, message,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
"org.freedesktop.login1.hibernate-ignore-inhibit",
"hibernate",
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHybridSleep")) {
r = bus_manager_can_shutdown_or_sleep(
m, connection, message,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
"org.freedesktop.login1.hibernate-ignore-inhibit",
"hybrid-sleep",
&error, &reply);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
char *introspection = NULL;
FILE *f;
Iterator i;
Session *session;
Seat *seat;
User *user;
size_t size;
char *p;
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
/* We roll our own introspection code here, instead of
* relying on bus_default_message_handler() because we
* need to generate our introspection string
* dynamically. */
if (!(f = open_memstream(&introspection, &size)))
goto oom;
fputs(INTROSPECTION_BEGIN, f);
HASHMAP_FOREACH(seat, m->seats, i) {
p = bus_path_escape(seat->id);
if (p) {
fprintf(f, "<node name=\"seat/%s\"/>", p);
free(p);
}
}
HASHMAP_FOREACH(user, m->users, i)
fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid);
HASHMAP_FOREACH(session, m->sessions, i) {
p = bus_path_escape(session->id);
if (p) {
fprintf(f, "<node name=\"session/%s\"/>", p);
free(p);
}
}
fputs(INTROSPECTION_END, f);
if (ferror(f)) {
fclose(f);
free(introspection);
goto oom;
}
fclose(f);
if (!introspection)
goto oom;
if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
free(introspection);
goto oom;
}
free(introspection);
} else {
const BusBoundProperties bps[] = {
{ "org.freedesktop.login1.Manager", bus_login_manager_properties, m },
{ NULL, }
};
return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps);
}
if (reply) {
if (!bus_maybe_send_reply(connection, message, reply))
goto oom;
}
return DBUS_HANDLER_RESULT_HANDLED;
oom:
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
const DBusObjectPathVTable bus_manager_vtable = {
.message_function = manager_message_handler
};
DBusHandlerResult bus_message_filter(
DBusConnection *connection,
DBusMessage *message,
void *userdata) {
Manager *m = userdata;
DBusError error;
assert(m);
assert(connection);
assert(message);
dbus_error_init(&error);
log_debug("Got message: %s %s %s", strna(dbus_message_get_sender(message)), strna(dbus_message_get_interface(message)), strna(dbus_message_get_member(message)));
if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
const char *path, *result, *unit;
uint32_t id;
if (!dbus_message_get_args(message, &error,
DBUS_TYPE_UINT32, &id,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_STRING, &unit,
DBUS_TYPE_STRING, &result,
DBUS_TYPE_INVALID)) {
log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error));
goto finish;
}
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;
} else {
Session *s;
User *u;
s = hashmap_get(m->session_units, unit);
if (s) {
if (streq_ptr(path, s->scope_job)) {
free(s->scope_job);
s->scope_job = NULL;
if (s->started) {
if (streq(result, "done"))
session_send_create_reply(s, NULL);
else {
dbus_set_error(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
session_send_create_reply(s, &error);
}
} else
session_save(s);
}
session_add_to_gc_queue(s);
}
u = hashmap_get(m->user_units, unit);
if (u) {
if (streq_ptr(path, u->service_job)) {
free(u->service_job);
u->service_job = NULL;
}
if (streq_ptr(path, u->slice_job)) {
free(u->slice_job);
u->slice_job = NULL;
}
user_save(u);
user_add_to_gc_queue(u);
}
}
} else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
_cleanup_free_ char *unit = NULL;
const char *path;
path = dbus_message_get_path(message);
if (!path)
goto finish;
unit_name_from_dbus_path(path, &unit);
if (unit) {
Session *s;
User *u;
s = hashmap_get(m->session_units, unit);
if (s)
session_add_to_gc_queue(s);
u = hashmap_get(m->user_units, unit);
if (u)
user_add_to_gc_queue(u);
}
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) {
const char *path, *unit;
Session *session;
User *user;
if (!dbus_message_get_args(message, &error,
DBUS_TYPE_STRING, &unit,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
log_error("Failed to parse UnitRemoved message: %s", bus_error_message(&error));
goto finish;
}
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);
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "Reloading")) {
dbus_bool_t b;
if (!dbus_message_get_args(message, &error,
DBUS_TYPE_BOOLEAN, &b,
DBUS_TYPE_INVALID)) {
log_error("Failed to parse Reloading message: %s", bus_error_message(&error));
goto finish;
}
/* systemd finished reloading, let's recheck all our sessions */
if (!b) {
Session *session;
Iterator i;
log_debug("System manager has been reloaded, rechecking sessions...");
HASHMAP_FOREACH(session, m->sessions, i)
session_add_to_gc_queue(session);
}
}
finish:
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
int manager_send_changed(Manager *manager, const char *properties) {
_cleanup_dbus_message_unref_ DBusMessage *m = NULL;
assert(manager);
m = bus_properties_changed_new("/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
properties);
if (!m)
return -ENOMEM;
if (!dbus_connection_send(manager->bus, m, NULL))
return -ENOMEM;
return 0;
}
int manager_dispatch_delayed(Manager *manager) {
DBusError error;
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)) {
if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
return 0;
log_info("Delay lock is active but inhibitor timeout is reached.");
}
/* Actually do the operation */
dbus_error_init(&error);
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(&error, r));
dbus_error_free(&error);
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 *kill_mode,
DBusError *error,
char **job) {
const char *timeout_stop_property = "TimeoutStopUSec", *send_sighup_property = "SendSIGHUP", *pids_property = "PIDs";
_cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
DBusMessageIter iter, sub, sub2, sub3, sub4;
uint64_t timeout = 500 * USEC_PER_MSEC;
dbus_bool_t send_sighup = true;
const char *fail = "fail";
uint32_t u;
assert(manager);
assert(scope);
assert(pid > 1);
if (!slice)
slice = "";
m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
if (!m)
return log_oom();
dbus_message_iter_init_append(m, &iter);
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &scope) ||
!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &fail) ||
!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sv)", &sub))
return log_oom();
if (!isempty(slice)) {
const char *slice_property = "Slice";
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &slice_property) ||
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &slice) ||
!dbus_message_iter_close_container(&sub2, &sub3) ||
!dbus_message_iter_close_container(&sub, &sub2))
return log_oom();
}
if (!isempty(description)) {
const char *description_property = "Description";
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description_property) ||
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &description) ||
!dbus_message_iter_close_container(&sub2, &sub3) ||
!dbus_message_iter_close_container(&sub, &sub2))
return log_oom();
}
if (!isempty(after)) {
const char *after_property = "After";
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &after_property) ||
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "as", &sub3) ||
!dbus_message_iter_open_container(&sub3, DBUS_TYPE_ARRAY, "s", &sub4) ||
!dbus_message_iter_append_basic(&sub4, DBUS_TYPE_STRING, &after) ||
!dbus_message_iter_close_container(&sub3, &sub4) ||
!dbus_message_iter_close_container(&sub2, &sub3) ||
!dbus_message_iter_close_container(&sub, &sub2))
return log_oom();
}
if (!isempty(kill_mode)) {
const char *kill_mode_property = "KillMode";
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &kill_mode_property) ||
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &kill_mode) ||
!dbus_message_iter_close_container(&sub2, &sub3) ||
!dbus_message_iter_close_container(&sub, &sub2))
return log_oom();
}
/* 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. */
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &timeout_stop_property) ||
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "t", &sub3) ||
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_UINT64, &timeout) ||
!dbus_message_iter_close_container(&sub2, &sub3) ||
!dbus_message_iter_close_container(&sub, &sub2))
return log_oom();
/* Make sure that the session shells are terminated with
* SIGHUP since bash and friends tend to ignore SIGTERM */
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &send_sighup_property) ||
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "b", &sub3) ||
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_BOOLEAN, &send_sighup) ||
!dbus_message_iter_close_container(&sub2, &sub3) ||
!dbus_message_iter_close_container(&sub, &sub2))
return log_oom();
u = pid;
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &pids_property) ||
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "au", &sub3) ||
!dbus_message_iter_open_container(&sub3, DBUS_TYPE_ARRAY, "u", &sub4) ||
!dbus_message_iter_append_basic(&sub4, DBUS_TYPE_UINT32, &u) ||
!dbus_message_iter_close_container(&sub3, &sub4) ||
!dbus_message_iter_close_container(&sub2, &sub3) ||
!dbus_message_iter_close_container(&sub, &sub2))
return log_oom();
if (!dbus_message_iter_close_container(&iter, &sub))
return log_oom();
reply = dbus_connection_send_with_reply_and_block(manager->bus, m, -1, error);
if (!reply)
return -EIO;
if (job) {
const char *j;
char *copy;
if (!dbus_message_get_args(reply, error, DBUS_TYPE_OBJECT_PATH, &j, DBUS_TYPE_INVALID))
return -EIO;
copy = strdup(j);
if (!copy)
return -ENOMEM;
*job = copy;
}
return 0;
}
int manager_start_unit(Manager *manager, const char *unit, DBusError *error, char **job) {
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
const char *fail = "fail";
int r;
assert(manager);
assert(unit);
r = bus_method_call_with_reply(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartUnit",
&reply,
error,
DBUS_TYPE_STRING, &unit,
DBUS_TYPE_STRING, &fail,
DBUS_TYPE_INVALID);
if (r < 0) {
log_error("Failed to start unit %s: %s", unit, bus_error(error, r));
return r;
}
if (job) {
const char *j;
char *copy;
if (!dbus_message_get_args(reply, error,
DBUS_TYPE_OBJECT_PATH, &j,
DBUS_TYPE_INVALID)) {
log_error("Failed to parse reply.");
return -EIO;
}
copy = strdup(j);
if (!copy)
return -ENOMEM;
*job = copy;
}
return 0;
}
int manager_stop_unit(Manager *manager, const char *unit, DBusError *error, char **job) {
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
const char *fail = "fail";
int r;
assert(manager);
assert(unit);
r = bus_method_call_with_reply(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StopUnit",
&reply,
error,
DBUS_TYPE_STRING, &unit,
DBUS_TYPE_STRING, &fail,
DBUS_TYPE_INVALID);
if (r < 0) {
if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
if (job)
*job = NULL;
dbus_error_free(error);
return 0;
}
log_error("Failed to stop unit %s: %s", unit, bus_error(error, r));
return r;
}
if (job) {
const char *j;
char *copy;
if (!dbus_message_get_args(reply, error,
DBUS_TYPE_OBJECT_PATH, &j,
DBUS_TYPE_INVALID)) {
log_error("Failed to parse reply.");
return -EIO;
}
copy = strdup(j);
if (!copy)
return -ENOMEM;
*job = copy;
}
return 1;
}
int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, DBusError *error) {
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
const char *w;
int r;
assert(manager);
assert(unit);
w = who == KILL_LEADER ? "process" : "cgroup";
assert_cc(sizeof(signo) == sizeof(int32_t));
r = bus_method_call_with_reply(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"KillUnit",
&reply,
error,
DBUS_TYPE_STRING, &unit,
DBUS_TYPE_STRING, &w,
DBUS_TYPE_INT32, &signo,
DBUS_TYPE_INVALID);
if (r < 0) {
log_error("Failed to stop unit %s: %s", unit, bus_error(error, r));
return r;
}
return 0;
}
int manager_unit_is_active(Manager *manager, const char *unit) {
const char *interface = "org.freedesktop.systemd1.Unit";
const char *property = "ActiveState";
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
_cleanup_free_ char *path = NULL;
DBusMessageIter iter, sub;
const char *state;
DBusError error;
int r;
assert(manager);
assert(unit);
dbus_error_init(&error);
path = unit_dbus_path_from_name(unit);
if (!path)
return -ENOMEM;
r = bus_method_call_with_reply(
manager->bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.DBus.Properties",
"Get",
&reply,
&error,
DBUS_TYPE_STRING, &interface,
DBUS_TYPE_STRING, &property,
DBUS_TYPE_INVALID);
if (r < 0) {
if (dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY) ||
dbus_error_has_name(&error, DBUS_ERROR_DISCONNECTED)) {
/* systemd might have droppped off
* momentarily, let's not make this an
* error */
dbus_error_free(&error);
return true;
}
if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
dbus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) {
/* If the unit is already unloaded then it's
* not active */
dbus_error_free(&error);
return false;
}
log_error("Failed to query ActiveState: %s", bus_error(&error, r));
dbus_error_free(&error);
return r;
}
if (!dbus_message_iter_init(reply, &iter) ||
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
log_error("Failed to parse reply.");
return -EINVAL;
}
dbus_message_iter_recurse(&iter, &sub);
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
log_error("Failed to parse reply.");
return -EINVAL;
}
dbus_message_iter_get_basic(&sub, &state);
return !streq(state, "inactive") && !streq(state, "failed");
}