1688 lines
74 KiB
C
1688 lines
74 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <errno.h>
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#include <unistd.h>
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#include "dbus.h"
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#include "log.h"
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#include "dbus-manager.h"
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#include "strv.h"
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#include "bus-errors.h"
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#include "build.h"
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#include "dbus-common.h"
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#include "install.h"
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#include "selinux-access.h"
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#include "watchdog.h"
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#include "hwclock.h"
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#include "path-util.h"
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#include "dbus-unit.h"
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#include "virt.h"
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#define BUS_MANAGER_INTERFACE_BEGIN \
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" <interface name=\"org.freedesktop.systemd1.Manager\">\n"
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#define BUS_MANAGER_INTERFACE_METHODS \
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" <method name=\"GetUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"GetUnitByPID\">\n" \
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" <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"LoadUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"StartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"StartUnitReplace\">\n" \
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" <arg name=\"old_unit\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"new_unit\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"StopUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ReloadUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"RestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"TryRestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ReloadOrRestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ReloadOrTryRestartUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"KillUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"signal\" type=\"i\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"ResetFailedUnit\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"GetJob\">\n" \
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" <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ClearJobs\"/>\n" \
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" <method name=\"ResetFailed\"/>\n" \
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" <method name=\"ListUnits\">\n" \
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" <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ListJobs\">\n" \
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" <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"Subscribe\"/>\n" \
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" <method name=\"Unsubscribe\"/>\n" \
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" <method name=\"Dump\">\n" \
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" <arg name=\"dump\" type=\"s\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"CreateSnapshot\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"Reload\"/>\n" \
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" <method name=\"Reexecute\"/>\n" \
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" <method name=\"Exit\"/>\n" \
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" <method name=\"Reboot\"/>\n" \
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" <method name=\"PowerOff\"/>\n" \
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" <method name=\"Halt\"/>\n" \
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" <method name=\"KExec\"/>\n" \
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" <method name=\"SwitchRoot\">\n" \
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" <arg name=\"new_root\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"init\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetEnvironment\">\n" \
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" <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"UnsetEnvironment\">\n" \
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" <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"UnsetAndSetEnvironment\">\n" \
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" <arg name=\"unset\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"set\" type=\"as\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"ListUnitFiles\">\n" \
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" <arg name=\"files\" type=\"a(ss)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"GetUnitFileState\">\n" \
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" <arg name=\"file\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"state\" type=\"s\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"EnableUnitFiles\">\n" \
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" <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"carries_install_info\" type=\"b\" direction=\"out\"/>\n" \
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" <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"DisableUnitFiles\">\n" \
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" <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ReenableUnitFiles\">\n" \
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" <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"carries_install_info\" type=\"b\" direction=\"out\"/>\n" \
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" <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"LinkUnitFiles\">\n" \
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" <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"PresetUnitFiles\">\n" \
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" <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"carries_install_info\" type=\"b\" direction=\"out\"/>\n" \
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" <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"MaskUnitFiles\">\n" \
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" <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"force\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"UnmaskUnitFiles\">\n" \
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" <arg name=\"files\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"runtime\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"changes\" type=\"a(sss)\" direction=\"out\"/>\n" \
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" </method>\n"
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#define BUS_MANAGER_INTERFACE_SIGNALS \
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" <signal name=\"UnitNew\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"unit\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"UnitRemoved\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"unit\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"JobNew\">\n" \
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" <arg name=\"id\" type=\"u\"/>\n" \
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" <arg name=\"job\" type=\"o\"/>\n" \
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" <arg name=\"unit\" type=\"s\"/>\n" \
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" </signal>\n" \
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" <signal name=\"JobRemoved\">\n" \
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" <arg name=\"id\" type=\"u\"/>\n" \
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" <arg name=\"job\" type=\"o\"/>\n" \
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" <arg name=\"unit\" type=\"s\"/>\n" \
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" <arg name=\"result\" type=\"s\"/>\n" \
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" </signal>" \
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" <signal name=\"StartupFinished\">\n" \
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" <arg name=\"firmware\" type=\"t\"/>\n" \
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" <arg name=\"loader\" type=\"t\"/>\n" \
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" <arg name=\"kernel\" type=\"t\"/>\n" \
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" <arg name=\"initrd\" type=\"t\"/>\n" \
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" <arg name=\"userspace\" type=\"t\"/>\n" \
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" <arg name=\"total\" type=\"t\"/>\n" \
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" </signal>" \
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" <signal name=\"UnitFilesChanged\"/>\n"
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#define BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
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" <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"Distribution\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"Features\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"Tainted\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"FirmwareTimestamp\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"FirmwareTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"LoaderTimestamp\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"LoaderTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"KernelTimestamp\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"KernelTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"InitRDTimestamp\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"InitRDTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"UserspaceTimestamp\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"UserspaceTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"FinishTimestamp\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"FinishTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"LogLevel\" type=\"s\" access=\"readwrite\"/>\n" \
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" <property name=\"LogTarget\" type=\"s\" access=\"readwrite\"/>\n" \
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" <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"NInstalledJobs\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"NFailedJobs\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"Progress\" type=\"d\" access=\"read\"/>\n" \
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" <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"ConfirmSpawn\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"ShowStatus\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"UnitPath\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"DefaultControllers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"DefaultStandardOutput\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"DefaultStandardError\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"RuntimeWatchdogUSec\" type=\"s\" access=\"readwrite\"/>\n" \
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" <property name=\"ShutdownWatchdogUSec\" type=\"s\" access=\"readwrite\"/>\n" \
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" <property name=\"Virtualization\" type=\"s\" access=\"read\"/>\n"
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#define BUS_MANAGER_INTERFACE_END \
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" </interface>\n"
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#define BUS_MANAGER_INTERFACE \
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BUS_MANAGER_INTERFACE_BEGIN \
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BUS_MANAGER_INTERFACE_METHODS \
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BUS_MANAGER_INTERFACE_SIGNALS \
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BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
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BUS_MANAGER_INTERFACE_END
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#define INTROSPECTION_BEGIN \
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DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
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"<node>\n" \
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BUS_MANAGER_INTERFACE \
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BUS_PROPERTIES_INTERFACE \
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BUS_PEER_INTERFACE \
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BUS_INTROSPECTABLE_INTERFACE
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#define INTROSPECTION_END \
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"</node>\n"
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#define INTERFACES_LIST \
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BUS_GENERIC_INTERFACES_LIST \
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"org.freedesktop.systemd1.Manager\0"
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const char bus_manager_interface[] _introspect_("Manager") = BUS_MANAGER_INTERFACE;
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static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_exec_output, exec_output, ExecOutput);
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static int bus_manager_append_tainted(DBusMessageIter *i, const char *property, void *data) {
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const char *t;
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Manager *m = data;
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char buf[LINE_MAX] = "", *e = buf, *p = NULL;
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assert(i);
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assert(property);
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assert(m);
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if (m->taint_usr)
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e = stpcpy(e, "split-usr:");
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if (readlink_malloc("/etc/mtab", &p) < 0)
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e = stpcpy(e, "mtab-not-symlink:");
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else
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free(p);
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if (access("/proc/cgroups", F_OK) < 0)
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e = stpcpy(e, "cgroups-missing:");
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if (hwclock_is_localtime() > 0)
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e = stpcpy(e, "local-hwclock:");
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/* remove the last ':' */
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if (e != buf)
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e[-1] = 0;
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t = buf;
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
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return -ENOMEM;
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return 0;
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}
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static int bus_manager_append_log_target(DBusMessageIter *i, const char *property, void *data) {
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const char *t;
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assert(i);
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assert(property);
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t = log_target_to_string(log_get_target());
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
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return -ENOMEM;
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return 0;
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}
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static int bus_manager_set_log_target(DBusMessageIter *i, const char *property, void *data) {
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const char *t;
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assert(i);
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assert(property);
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dbus_message_iter_get_basic(i, &t);
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return log_set_target_from_string(t);
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}
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static int bus_manager_append_log_level(DBusMessageIter *i, const char *property, void *data) {
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char *t;
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int r;
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assert(i);
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assert(property);
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r = log_level_to_string_alloc(log_get_max_level(), &t);
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if (r < 0)
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return r;
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
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r = -ENOMEM;
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free(t);
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return r;
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}
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static int bus_manager_set_log_level(DBusMessageIter *i, const char *property, void *data) {
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const char *t;
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assert(i);
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assert(property);
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dbus_message_iter_get_basic(i, &t);
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return log_set_max_level_from_string(t);
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}
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static int bus_manager_append_n_names(DBusMessageIter *i, const char *property, void *data) {
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Manager *m = data;
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uint32_t u;
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assert(i);
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assert(property);
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assert(m);
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u = hashmap_size(m->units);
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
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return -ENOMEM;
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return 0;
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}
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static int bus_manager_append_n_jobs(DBusMessageIter *i, const char *property, void *data) {
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Manager *m = data;
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uint32_t u;
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assert(i);
|
|
assert(property);
|
|
assert(m);
|
|
|
|
u = hashmap_size(m->jobs);
|
|
|
|
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_manager_append_progress(DBusMessageIter *i, const char *property, void *data) {
|
|
double d;
|
|
Manager *m = data;
|
|
|
|
assert(i);
|
|
assert(property);
|
|
assert(m);
|
|
|
|
if (dual_timestamp_is_set(&m->finish_timestamp))
|
|
d = 1.0;
|
|
else
|
|
d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs);
|
|
|
|
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_DOUBLE, &d))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_manager_append_virt(DBusMessageIter *i, const char *property, void *data) {
|
|
Manager *m = data;
|
|
const char *id = "";
|
|
|
|
assert(i);
|
|
assert(property);
|
|
assert(m);
|
|
|
|
detect_virtualization(&id);
|
|
|
|
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &id))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static DBusMessage *message_from_file_changes(
|
|
DBusMessage *m,
|
|
UnitFileChange *changes,
|
|
unsigned n_changes,
|
|
int carries_install_info) {
|
|
|
|
DBusMessageIter iter, sub, sub2;
|
|
DBusMessage *reply;
|
|
unsigned i;
|
|
|
|
reply = dbus_message_new_method_return(m);
|
|
if (!reply)
|
|
return NULL;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (carries_install_info >= 0) {
|
|
dbus_bool_t b;
|
|
|
|
b = !!carries_install_info;
|
|
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b))
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sss)", &sub))
|
|
goto oom;
|
|
|
|
for (i = 0; i < n_changes; i++) {
|
|
const char *type, *path, *source;
|
|
|
|
type = unit_file_change_type_to_string(changes[i].type);
|
|
path = strempty(changes[i].path);
|
|
source = strempty(changes[i].source);
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &path) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &source) ||
|
|
!dbus_message_iter_close_container(&sub, &sub2))
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
|
|
return reply;
|
|
|
|
oom:
|
|
dbus_message_unref(reply);
|
|
return NULL;
|
|
}
|
|
|
|
static int bus_manager_send_unit_files_changed(Manager *m) {
|
|
DBusMessage *s;
|
|
int r;
|
|
|
|
s = dbus_message_new_signal("/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnitFilesChanged");
|
|
if (!s)
|
|
return -ENOMEM;
|
|
|
|
r = bus_broadcast(m, s);
|
|
dbus_message_unref(s);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int bus_manager_set_runtime_watchdog_usec(DBusMessageIter *i, const char *property, void *data) {
|
|
uint64_t *t = data;
|
|
|
|
assert(i);
|
|
assert(property);
|
|
|
|
dbus_message_iter_get_basic(i, t);
|
|
|
|
return watchdog_set_timeout(t);
|
|
}
|
|
|
|
static const char systemd_property_string[] =
|
|
PACKAGE_STRING "\0"
|
|
DISTRIBUTION "\0"
|
|
SYSTEMD_FEATURES;
|
|
|
|
static const BusProperty bus_systemd_properties[] = {
|
|
{ "Version", bus_property_append_string, "s", 0 },
|
|
{ "Distribution", bus_property_append_string, "s", sizeof(PACKAGE_STRING) },
|
|
{ "Features", bus_property_append_string, "s", sizeof(PACKAGE_STRING) + sizeof(DISTRIBUTION) },
|
|
{ NULL, }
|
|
};
|
|
|
|
static const BusProperty bus_manager_properties[] = {
|
|
{ "Tainted", bus_manager_append_tainted, "s", 0 },
|
|
{ "FirmwareTimestamp", bus_property_append_uint64, "t", offsetof(Manager, firmware_timestamp.realtime) },
|
|
{ "FirmwareTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, firmware_timestamp.monotonic) },
|
|
{ "LoaderTimestamp", bus_property_append_uint64, "t", offsetof(Manager, loader_timestamp.realtime) },
|
|
{ "LoaderTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, loader_timestamp.monotonic) },
|
|
{ "KernelTimestamp", bus_property_append_uint64, "t", offsetof(Manager, kernel_timestamp.realtime) },
|
|
{ "KernelTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, kernel_timestamp.monotonic) },
|
|
{ "InitRDTimestamp", bus_property_append_uint64, "t", offsetof(Manager, initrd_timestamp.realtime) },
|
|
{ "InitRDTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, initrd_timestamp.monotonic) },
|
|
{ "UserspaceTimestamp", bus_property_append_uint64, "t", offsetof(Manager, userspace_timestamp.realtime) },
|
|
{ "UserspaceTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, userspace_timestamp.monotonic) },
|
|
{ "FinishTimestamp", bus_property_append_uint64, "t", offsetof(Manager, finish_timestamp.realtime) },
|
|
{ "FinishTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, finish_timestamp.monotonic) },
|
|
{ "LogLevel", bus_manager_append_log_level, "s", 0, false, bus_manager_set_log_level },
|
|
{ "LogTarget", bus_manager_append_log_target, "s", 0, false, bus_manager_set_log_target },
|
|
{ "NNames", bus_manager_append_n_names, "u", 0 },
|
|
{ "NJobs", bus_manager_append_n_jobs, "u", 0 },
|
|
{ "NInstalledJobs", bus_property_append_uint32, "u", offsetof(Manager, n_installed_jobs) },
|
|
{ "NFailedJobs", bus_property_append_uint32, "u", offsetof(Manager, n_failed_jobs) },
|
|
{ "Progress", bus_manager_append_progress, "d", 0 },
|
|
{ "Environment", bus_property_append_strv, "as", offsetof(Manager, environment), true },
|
|
{ "ConfirmSpawn", bus_property_append_bool, "b", offsetof(Manager, confirm_spawn) },
|
|
{ "ShowStatus", bus_property_append_bool, "b", offsetof(Manager, show_status) },
|
|
{ "UnitPath", bus_property_append_strv, "as", offsetof(Manager, lookup_paths.unit_path), true },
|
|
{ "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_hierarchy), true },
|
|
{ "DefaultControllers", bus_property_append_strv, "as", offsetof(Manager, default_controllers), true },
|
|
{ "DefaultStandardOutput", bus_manager_append_exec_output, "s", offsetof(Manager, default_std_output) },
|
|
{ "DefaultStandardError", bus_manager_append_exec_output, "s", offsetof(Manager, default_std_error) },
|
|
{ "RuntimeWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, runtime_watchdog), false, bus_manager_set_runtime_watchdog_usec },
|
|
{ "ShutdownWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, shutdown_watchdog), false, bus_property_set_usec },
|
|
{ "Virtualization", bus_manager_append_virt, "s", 0, },
|
|
{ NULL, }
|
|
};
|
|
|
|
static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
|
|
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
|
|
_cleanup_free_ char * path = NULL;
|
|
Manager *m = data;
|
|
int r;
|
|
DBusError error;
|
|
JobType job_type = _JOB_TYPE_INVALID;
|
|
bool reload_if_possible = false;
|
|
const char *member;
|
|
|
|
assert(connection);
|
|
assert(message);
|
|
assert(m);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
member = dbus_message_get_member(message);
|
|
|
|
if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
|
|
const char *name;
|
|
Unit *u;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
u = manager_get_unit(m, name);
|
|
if (!u) {
|
|
dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "status");
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
path = unit_dbus_path(u);
|
|
if (!path)
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitByPID")) {
|
|
Unit *u;
|
|
uint32_t pid;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_UINT32, &pid,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
u = cgroup_unit_by_pid(m, (pid_t) pid);
|
|
if (!u) {
|
|
dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "No unit for PID %lu is loaded.", (unsigned long) pid);
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "status");
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
path = unit_dbus_path(u);
|
|
if (!path)
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
|
|
const char *name;
|
|
Unit *u;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
r = manager_load_unit(m, name, NULL, &error, &u);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "status");
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
path = unit_dbus_path(u);
|
|
if (!path)
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
|
|
job_type = JOB_START;
|
|
else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
|
|
job_type = JOB_START;
|
|
else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
|
|
job_type = JOB_STOP;
|
|
else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
|
|
job_type = JOB_RELOAD;
|
|
else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
|
|
job_type = JOB_RESTART;
|
|
else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "TryRestartUnit"))
|
|
job_type = JOB_TRY_RESTART;
|
|
else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrRestartUnit")) {
|
|
reload_if_possible = true;
|
|
job_type = JOB_RESTART;
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) {
|
|
reload_if_possible = true;
|
|
job_type = JOB_TRY_RESTART;
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KillUnit")) {
|
|
const char *name, *swho;
|
|
int32_t signo;
|
|
Unit *u;
|
|
KillWho who;
|
|
|
|
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);
|
|
|
|
u = manager_get_unit(m, name);
|
|
if (!u) {
|
|
dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "stop");
|
|
|
|
r = unit_kill(u, who, signo, &error);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
|
|
uint32_t id;
|
|
Job *j;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_UINT32, &id,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
j = manager_get_job(m, id);
|
|
if (!j) {
|
|
dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
SELINUX_UNIT_ACCESS_CHECK(j->unit, connection, message, "status");
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
path = job_dbus_path(j);
|
|
if (!path)
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reboot");
|
|
|
|
manager_clear_jobs(m);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailed")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reload");
|
|
|
|
manager_reset_failed(m);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailedUnit")) {
|
|
const char *name;
|
|
Unit *u;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
u = manager_get_unit(m, name);
|
|
if (!u) {
|
|
dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "reload");
|
|
|
|
unit_reset_failed(u);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
|
|
DBusMessageIter iter, sub;
|
|
Iterator i;
|
|
Unit *u;
|
|
const char *k;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
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, "(ssssssouso)", &sub))
|
|
goto oom;
|
|
|
|
HASHMAP_FOREACH_KEY(u, k, m->units, i) {
|
|
char *u_path, *j_path;
|
|
const char *description, *load_state, *active_state, *sub_state, *sjob_type, *following;
|
|
DBusMessageIter sub2;
|
|
uint32_t job_id;
|
|
Unit *f;
|
|
|
|
if (k != u->id)
|
|
continue;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
|
|
goto oom;
|
|
|
|
description = unit_description(u);
|
|
load_state = unit_load_state_to_string(u->load_state);
|
|
active_state = unit_active_state_to_string(unit_active_state(u));
|
|
sub_state = unit_sub_state_to_string(u);
|
|
|
|
f = unit_following(u);
|
|
following = f ? f->id : "";
|
|
|
|
u_path = unit_dbus_path(u);
|
|
if (!u_path)
|
|
goto oom;
|
|
|
|
if (u->job) {
|
|
job_id = (uint32_t) u->job->id;
|
|
|
|
if (!(j_path = job_dbus_path(u->job))) {
|
|
free(u_path);
|
|
goto oom;
|
|
}
|
|
|
|
sjob_type = job_type_to_string(u->job->type);
|
|
} else {
|
|
job_id = 0;
|
|
j_path = u_path;
|
|
sjob_type = "";
|
|
}
|
|
|
|
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &following) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
|
|
free(u_path);
|
|
if (u->job)
|
|
free(j_path);
|
|
goto oom;
|
|
}
|
|
|
|
free(u_path);
|
|
if (u->job)
|
|
free(j_path);
|
|
|
|
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.systemd1.Manager", "ListJobs")) {
|
|
DBusMessageIter iter, sub;
|
|
Iterator i;
|
|
Job *j;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
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, "(usssoo)", &sub))
|
|
goto oom;
|
|
|
|
HASHMAP_FOREACH(j, m->jobs, i) {
|
|
char *u_path, *j_path;
|
|
const char *state, *type;
|
|
uint32_t id;
|
|
DBusMessageIter sub2;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
|
|
goto oom;
|
|
|
|
id = (uint32_t) j->id;
|
|
state = job_state_to_string(j->state);
|
|
type = job_type_to_string(j->type);
|
|
|
|
j_path = job_dbus_path(j);
|
|
if (!j_path)
|
|
goto oom;
|
|
|
|
u_path = unit_dbus_path(j->unit);
|
|
if (!u_path) {
|
|
free(j_path);
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->id) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
|
|
free(j_path);
|
|
free(u_path);
|
|
goto oom;
|
|
}
|
|
|
|
free(j_path);
|
|
free(u_path);
|
|
|
|
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.systemd1.Manager", "Subscribe")) {
|
|
char *client;
|
|
Set *s;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
s = BUS_CONNECTION_SUBSCRIBED(m, connection);
|
|
if (!s) {
|
|
s = set_new(string_hash_func, string_compare_func);
|
|
if (!s)
|
|
goto oom;
|
|
|
|
if (!dbus_connection_set_data(connection, m->subscribed_data_slot, s, NULL)) {
|
|
set_free(s);
|
|
goto oom;
|
|
}
|
|
}
|
|
|
|
client = strdup(bus_message_get_sender_with_fallback(message));
|
|
if (!client)
|
|
goto oom;
|
|
|
|
r = set_put(s, client);
|
|
if (r < 0) {
|
|
free(client);
|
|
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.systemd1.Manager", "Unsubscribe")) {
|
|
char *client;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
client = set_remove(BUS_CONNECTION_SUBSCRIBED(m, connection), (char*) bus_message_get_sender_with_fallback(message));
|
|
if (!client) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
}
|
|
|
|
free(client);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
|
|
FILE *f;
|
|
char *dump = NULL;
|
|
size_t size;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
f = open_memstream(&dump, &size);
|
|
if (!f)
|
|
goto oom;
|
|
|
|
manager_dump_units(m, f, NULL);
|
|
manager_dump_jobs(m, f, NULL);
|
|
|
|
if (ferror(f)) {
|
|
fclose(f);
|
|
free(dump);
|
|
goto oom;
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
|
|
free(dump);
|
|
goto oom;
|
|
}
|
|
|
|
free(dump);
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
|
|
const char *name;
|
|
dbus_bool_t cleanup;
|
|
Snapshot *s;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "start");
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_BOOLEAN, &cleanup,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
if (isempty(name))
|
|
name = NULL;
|
|
|
|
r = snapshot_create(m, name, cleanup, &error, &s);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
path = unit_dbus_path(UNIT(s));
|
|
if (!path)
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
|
|
char *introspection = NULL;
|
|
FILE *f;
|
|
Iterator i;
|
|
Unit *u;
|
|
Job *j;
|
|
const char *k;
|
|
size_t size;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
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. */
|
|
|
|
f = open_memstream(&introspection, &size);
|
|
if (!f)
|
|
goto oom;
|
|
|
|
fputs(INTROSPECTION_BEGIN, f);
|
|
|
|
HASHMAP_FOREACH_KEY(u, k, m->units, i) {
|
|
char *p;
|
|
|
|
if (k != u->id)
|
|
continue;
|
|
|
|
p = bus_path_escape(k);
|
|
if (!p) {
|
|
fclose(f);
|
|
free(introspection);
|
|
goto oom;
|
|
}
|
|
|
|
fprintf(f, "<node name=\"unit/%s\"/>", p);
|
|
free(p);
|
|
}
|
|
|
|
HASHMAP_FOREACH(j, m->jobs, i)
|
|
fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
|
|
|
|
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 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reload");
|
|
|
|
assert(!m->queued_message);
|
|
|
|
/* Instead of sending the reply back right away, we
|
|
* just remember that we need to and then send it
|
|
* after the reload is finished. That way the caller
|
|
* knows when the reload finished. */
|
|
|
|
m->queued_message = dbus_message_new_method_return(message);
|
|
if (!m->queued_message)
|
|
goto oom;
|
|
|
|
m->queued_message_connection = connection;
|
|
m->exit_code = MANAGER_RELOAD;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reload");
|
|
|
|
/* We don't send a reply back here, the client should
|
|
* just wait for us disconnecting. */
|
|
|
|
m->exit_code = MANAGER_REEXECUTE;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "halt");
|
|
|
|
if (m->running_as == SYSTEMD_SYSTEM) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for user service managers.");
|
|
return bus_send_error_reply(connection, message, &error, -ENOTSUP);
|
|
}
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_EXIT;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reboot")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reboot");
|
|
|
|
if (m->running_as != SYSTEMD_SYSTEM) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers.");
|
|
return bus_send_error_reply(connection, message, &error, -ENOTSUP);
|
|
}
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_REBOOT;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "PowerOff")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "halt");
|
|
|
|
if (m->running_as != SYSTEMD_SYSTEM) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers.");
|
|
return bus_send_error_reply(connection, message, &error, -ENOTSUP);
|
|
}
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_POWEROFF;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Halt")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "halt");
|
|
|
|
if (m->running_as != SYSTEMD_SYSTEM) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Halting is only supported for system managers.");
|
|
return bus_send_error_reply(connection, message, &error, -ENOTSUP);
|
|
}
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_HALT;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KExec")) {
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reboot");
|
|
|
|
if (m->running_as != SYSTEMD_SYSTEM) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "kexec is only supported for system managers.");
|
|
return bus_send_error_reply(connection, message, &error, -ENOTSUP);
|
|
}
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_KEXEC;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SwitchRoot")) {
|
|
const char *switch_root, *switch_root_init;
|
|
char *u, *v;
|
|
int k;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reboot");
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &switch_root,
|
|
DBUS_TYPE_STRING, &switch_root_init,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
if (path_equal(switch_root, "/") || !path_is_absolute(switch_root))
|
|
return bus_send_error_reply(connection, message, NULL, -EINVAL);
|
|
|
|
if (!isempty(switch_root_init) && !path_is_absolute(switch_root_init))
|
|
return bus_send_error_reply(connection, message, NULL, -EINVAL);
|
|
|
|
if (m->running_as != SYSTEMD_SYSTEM) {
|
|
dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Switching root is only supported for system managers.");
|
|
return bus_send_error_reply(connection, message, &error, -ENOTSUP);
|
|
}
|
|
|
|
/* Safety check */
|
|
if (isempty(switch_root_init))
|
|
k = access(switch_root, F_OK);
|
|
else {
|
|
char *p;
|
|
|
|
p = strjoin(switch_root, "/", switch_root_init, NULL);
|
|
if (!p)
|
|
goto oom;
|
|
|
|
k = access(p, X_OK);
|
|
free(p);
|
|
}
|
|
if (k < 0)
|
|
return bus_send_error_reply(connection, message, NULL, -errno);
|
|
|
|
u = strdup(switch_root);
|
|
if (!u)
|
|
goto oom;
|
|
|
|
if (!isempty(switch_root_init)) {
|
|
v = strdup(switch_root_init);
|
|
if (!v) {
|
|
free(u);
|
|
goto oom;
|
|
}
|
|
} else
|
|
v = NULL;
|
|
|
|
free(m->switch_root);
|
|
free(m->switch_root_init);
|
|
m->switch_root = u;
|
|
m->switch_root_init = v;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
m->exit_code = MANAGER_SWITCH_ROOT;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
|
|
char **l = NULL, **e = NULL;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reboot");
|
|
|
|
r = bus_parse_strv(message, &l);
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
e = strv_env_merge(2, m->environment, l);
|
|
strv_free(l);
|
|
if (!e)
|
|
goto oom;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply) {
|
|
strv_free(e);
|
|
goto oom;
|
|
}
|
|
|
|
strv_free(m->environment);
|
|
m->environment = e;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
|
|
char **l = NULL, **e = NULL;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reboot");
|
|
|
|
r = bus_parse_strv(message, &l);
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
e = strv_env_delete(m->environment, 1, l);
|
|
strv_free(l);
|
|
|
|
if (!e)
|
|
goto oom;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply) {
|
|
strv_free(e);
|
|
goto oom;
|
|
}
|
|
|
|
strv_free(m->environment);
|
|
m->environment = e;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetAndSetEnvironment")) {
|
|
char **l_set = NULL, **l_unset = NULL, **e = NULL, **f = NULL;
|
|
DBusMessageIter iter;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "reboot");
|
|
|
|
if (!dbus_message_iter_init(message, &iter))
|
|
goto oom;
|
|
|
|
r = bus_parse_strv_iter(&iter, &l_unset);
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
if (!dbus_message_iter_next(&iter)) {
|
|
strv_free(l_unset);
|
|
return bus_send_error_reply(connection, message, NULL, -EINVAL);
|
|
}
|
|
|
|
r = bus_parse_strv_iter(&iter, &l_set);
|
|
if (r < 0) {
|
|
strv_free(l_unset);
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
}
|
|
|
|
e = strv_env_delete(m->environment, 1, l_unset);
|
|
strv_free(l_unset);
|
|
|
|
if (!e) {
|
|
strv_free(l_set);
|
|
goto oom;
|
|
}
|
|
|
|
f = strv_env_merge(2, e, l_set);
|
|
strv_free(l_set);
|
|
strv_free(e);
|
|
|
|
if (!f)
|
|
goto oom;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply) {
|
|
strv_free(f);
|
|
goto oom;
|
|
}
|
|
|
|
strv_free(m->environment);
|
|
m->environment = f;
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnitFiles")) {
|
|
DBusMessageIter iter, sub, sub2;
|
|
Hashmap *h;
|
|
Iterator i;
|
|
UnitFileList *item;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
h = hashmap_new(string_hash_func, string_compare_func);
|
|
if (!h)
|
|
goto oom;
|
|
|
|
r = unit_file_get_list(m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER, NULL, h);
|
|
if (r < 0) {
|
|
unit_file_list_free(h);
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
}
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ss)", &sub)) {
|
|
unit_file_list_free(h);
|
|
goto oom;
|
|
}
|
|
|
|
HASHMAP_FOREACH(item, h, i) {
|
|
const char *state;
|
|
|
|
state = unit_file_state_to_string(item->state);
|
|
assert(state);
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &item->path) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
|
|
!dbus_message_iter_close_container(&sub, &sub2)) {
|
|
unit_file_list_free(h);
|
|
goto oom;
|
|
}
|
|
}
|
|
|
|
unit_file_list_free(h);
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitFileState")) {
|
|
const char *name;
|
|
UnitFileState state;
|
|
const char *s;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
state = unit_file_get_state(m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER, NULL, name);
|
|
if (state < 0)
|
|
return bus_send_error_reply(connection, message, NULL, state);
|
|
|
|
s = unit_file_state_to_string(state);
|
|
assert(s);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_STRING, &s,
|
|
DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "EnableUnitFiles") ||
|
|
dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReenableUnitFiles") ||
|
|
dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LinkUnitFiles") ||
|
|
dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "PresetUnitFiles") ||
|
|
dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "MaskUnitFiles")) {
|
|
|
|
char **l = NULL;
|
|
DBusMessageIter iter;
|
|
UnitFileScope scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER;
|
|
UnitFileChange *changes = NULL;
|
|
unsigned n_changes = 0;
|
|
dbus_bool_t runtime, force;
|
|
int carries_install_info = -1;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, streq(member, "MaskUnitFiles") ? "disable" : "enable");
|
|
|
|
if (!dbus_message_iter_init(message, &iter))
|
|
goto oom;
|
|
|
|
r = bus_parse_strv_iter(&iter, &l);
|
|
if (r < 0) {
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
}
|
|
|
|
if (!dbus_message_iter_next(&iter) ||
|
|
bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &runtime, true) < 0 ||
|
|
bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &force, false) < 0) {
|
|
strv_free(l);
|
|
return bus_send_error_reply(connection, message, NULL, -EIO);
|
|
}
|
|
|
|
if (streq(member, "EnableUnitFiles")) {
|
|
r = unit_file_enable(scope, runtime, NULL, l, force, &changes, &n_changes);
|
|
carries_install_info = r;
|
|
} else if (streq(member, "ReenableUnitFiles")) {
|
|
r = unit_file_reenable(scope, runtime, NULL, l, force, &changes, &n_changes);
|
|
carries_install_info = r;
|
|
} else if (streq(member, "LinkUnitFiles"))
|
|
r = unit_file_link(scope, runtime, NULL, l, force, &changes, &n_changes);
|
|
else if (streq(member, "PresetUnitFiles")) {
|
|
r = unit_file_preset(scope, runtime, NULL, l, force, &changes, &n_changes);
|
|
carries_install_info = r;
|
|
} else if (streq(member, "MaskUnitFiles"))
|
|
r = unit_file_mask(scope, runtime, NULL, l, force, &changes, &n_changes);
|
|
else
|
|
assert_not_reached("Uh? Wrong method");
|
|
|
|
strv_free(l);
|
|
bus_manager_send_unit_files_changed(m);
|
|
|
|
if (r < 0) {
|
|
unit_file_changes_free(changes, n_changes);
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
}
|
|
|
|
reply = message_from_file_changes(message, changes, n_changes, carries_install_info);
|
|
unit_file_changes_free(changes, n_changes);
|
|
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "DisableUnitFiles") ||
|
|
dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnmaskUnitFiles")) {
|
|
|
|
char **l = NULL;
|
|
DBusMessageIter iter;
|
|
UnitFileScope scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER;
|
|
UnitFileChange *changes = NULL;
|
|
unsigned n_changes = 0;
|
|
dbus_bool_t runtime;
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, streq(member, "UnmaskUnitFiles") ? "enable" : "disable");
|
|
|
|
if (!dbus_message_iter_init(message, &iter))
|
|
goto oom;
|
|
|
|
r = bus_parse_strv_iter(&iter, &l);
|
|
if (r < 0) {
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
}
|
|
|
|
if (!dbus_message_iter_next(&iter) ||
|
|
bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &runtime, false) < 0) {
|
|
strv_free(l);
|
|
return bus_send_error_reply(connection, message, NULL, -EIO);
|
|
}
|
|
|
|
if (streq(member, "DisableUnitFiles"))
|
|
r = unit_file_disable(scope, runtime, NULL, l, &changes, &n_changes);
|
|
else if (streq(member, "UnmaskUnitFiles"))
|
|
r = unit_file_unmask(scope, runtime, NULL, l, &changes, &n_changes);
|
|
else
|
|
assert_not_reached("Uh? Wrong method");
|
|
|
|
strv_free(l);
|
|
bus_manager_send_unit_files_changed(m);
|
|
|
|
if (r < 0) {
|
|
unit_file_changes_free(changes, n_changes);
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
}
|
|
|
|
reply = message_from_file_changes(message, changes, n_changes, -1);
|
|
unit_file_changes_free(changes, n_changes);
|
|
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else {
|
|
const BusBoundProperties bps[] = {
|
|
{ "org.freedesktop.systemd1.Manager", bus_systemd_properties, systemd_property_string },
|
|
{ "org.freedesktop.systemd1.Manager", bus_manager_properties, m },
|
|
{ NULL, }
|
|
};
|
|
|
|
SELINUX_ACCESS_CHECK(connection, message, "status");
|
|
|
|
return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps);
|
|
}
|
|
|
|
if (job_type != _JOB_TYPE_INVALID) {
|
|
const char *name, *smode, *old_name = NULL;
|
|
JobMode mode;
|
|
Unit *u;
|
|
dbus_bool_t b;
|
|
|
|
if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
|
|
b = dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &old_name,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &smode,
|
|
DBUS_TYPE_INVALID);
|
|
else
|
|
b = dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &smode,
|
|
DBUS_TYPE_INVALID);
|
|
if (!b)
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
if (old_name) {
|
|
u = manager_get_unit(m, old_name);
|
|
if (!u || !u->job || u->job->type != JOB_START) {
|
|
dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name);
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
}
|
|
}
|
|
|
|
mode = job_mode_from_string(smode);
|
|
if (mode < 0) {
|
|
dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode);
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
}
|
|
|
|
r = manager_load_unit(m, name, NULL, &error, &u);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
return bus_unit_queue_job(connection, message, u, job_type, mode, reload_if_possible);
|
|
}
|
|
|
|
if (reply)
|
|
if (!dbus_connection_send(connection, reply, NULL))
|
|
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 = bus_manager_message_handler
|
|
};
|