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#!/bin/sh
# dbus-daemon wrapper script for dbus-vmstate testing
#
# This script allows to tweak the dbus-daemon policy during the test
# to test different configurations.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
# Copyright (C) 2019 Red Hat, Inc.
write_config()
{
CONF="$1"
cat > "$CONF" <<EOF
<busconfig>
<type>session</type>
<listen>unix:tmpdir=$DBUS_VMSTATE_TEST_TMPDIR</listen>
<policy context="default">
<!-- Holes must be punched in service configuration files for
name ownership and sending method calls -->
<deny own="*"/>
<deny send_type="method_call"/>
<!-- Signals and reply messages (method returns, errors) are allowed
by default -->
<allow send_type="signal"/>
<allow send_requested_reply="true" send_type="method_return"/>
<allow send_requested_reply="true" send_type="error"/>
<!-- All messages may be received by default -->
<allow receive_type="method_call"/>
<allow receive_type="method_return"/>
<allow receive_type="error"/>
<allow receive_type="signal"/>
<!-- Allow anyone to talk to the message bus -->
<allow send_destination="org.freedesktop.DBus"
send_interface="org.freedesktop.DBus" />
<allow send_destination="org.freedesktop.DBus"
send_interface="org.freedesktop.DBus.Introspectable"/>
<allow send_destination="org.freedesktop.DBus"
send_interface="org.freedesktop.DBus.Properties"/>
<!-- But disallow some specific bus services -->
<deny send_destination="org.freedesktop.DBus"
send_interface="org.freedesktop.DBus"
send_member="UpdateActivationEnvironment"/>
<deny send_destination="org.freedesktop.DBus"
send_interface="org.freedesktop.DBus.Debug.Stats"/>
<deny send_destination="org.freedesktop.DBus"
send_interface="org.freedesktop.systemd1.Activator"/>
<allow own="org.qemu.VMState1"/>
<allow send_destination="org.qemu.VMState1"/>
<allow receive_sender="org.qemu.VMState1"/>
</policy>
<include if_selinux_enabled="yes"
selinux_root_relative="yes">contexts/dbus_contexts</include>
</busconfig>
EOF
}
ARGS=
for arg in "$@"
do
case $arg in
--config-file=*)
CONF="${arg#*=}"
write_config "$CONF"
ARGS="$ARGS $1"
shift
;;
*)
ARGS="$ARGS $1"
shift
;;
esac
done
exec dbus-daemon $ARGS
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