login_manager/SessionManager.conf

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<!--
  Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
  Use of this source code is governed by a BSD-style license that can be
  found in the LICENSE file.
-->
<busconfig>
  <policy user="root">
    <allow own="org.chromium.SessionManager" />
    <allow send_destination="org.chromium.SessionManager" />

    <!-- Only root should be allowed to call InitMachineInfo. -->
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="InitMachineInfo"/>
  </policy>

  <!--
    To prevent the use of unsigned policy for persisting a browser exploit,
    writing unsigned policy is restricted to the authpolicy daemon.
  -->
  <policy user="authpolicyd">
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StoreUnsignedPolicy"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StoreUnsignedPolicyForUser"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StoreUnsignedPolicyEx"/>
  </policy>

  <policy user="chronos">
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="EmitLoginPromptVisible"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StartSession"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StopSession"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="LockScreen"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="HandleLockScreenShown"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="HandleLockScreenDismissed"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RestartJob"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StorePolicy"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrievePolicy"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StorePolicyEx"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrievePolicyEx"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StorePolicyForUser"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrievePolicyForUser"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrievePolicyForUserWithoutSession"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StoreDeviceLocalAccountPolicy"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrieveDeviceLocalAccountPolicy"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrieveSessionState"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrieveActiveSessions"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="IsGuestSessionActive"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StartDeviceWipe"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StartTPMFirmwareUpdate"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="SetFlagsForUser"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="GetServerBackedStateKeys"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="HandleSupervisedUserCreationStarting"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="HandleSupervisedUserCreationFinished"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StartArcInstance"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StopArcInstance"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="SetArcCpuRestriction"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="EmitArcBooted"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="GetArcStartTimeTicks"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StartContainer"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StopContainer"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RemoveArcData"/>
  </policy>

  <policy user="power">
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="LockScreen"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrieveSessionState"/>
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="StopSession"/>
  </policy>

  <policy user="biod">
    <allow send_destination="org.chromium.SessionManager"
           send_interface="org.chromium.SessionManagerInterface"
           send_member="RetrieveActiveSessions"/>
  </policy>
</busconfig>