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1#!/bin/sh
2
3# dbus-daemon wrapper script for dbus-vmstate testing
4#
5# This script allows to tweak the dbus-daemon policy during the test
6# to test different configurations.
7#
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, see <http://www.gnu.org/licenses/>.
20#
21# Copyright (C) 2019 Red Hat, Inc.
22
23write_config()
24{
25 CONF="$1"
26 cat > "$CONF" <<EOF
27<busconfig>
28 <type>session</type>
29 <listen>unix:tmpdir=$DBUS_VMSTATE_TEST_TMPDIR</listen>
30
31 <policy context="default">
32 <!-- Holes must be punched in service configuration files for
33 name ownership and sending method calls -->
34 <deny own="*"/>
35 <deny send_type="method_call"/>
36
37 <!-- Signals and reply messages (method returns, errors) are allowed
38 by default -->
39 <allow send_type="signal"/>
40 <allow send_requested_reply="true" send_type="method_return"/>
41 <allow send_requested_reply="true" send_type="error"/>
42
43 <!-- All messages may be received by default -->
44 <allow receive_type="method_call"/>
45 <allow receive_type="method_return"/>
46 <allow receive_type="error"/>
47 <allow receive_type="signal"/>
48
49 <!-- Allow anyone to talk to the message bus -->
50 <allow send_destination="org.freedesktop.DBus"
51 send_interface="org.freedesktop.DBus" />
52 <allow send_destination="org.freedesktop.DBus"
53 send_interface="org.freedesktop.DBus.Introspectable"/>
54 <allow send_destination="org.freedesktop.DBus"
55 send_interface="org.freedesktop.DBus.Properties"/>
56 <!-- But disallow some specific bus services -->
57 <deny send_destination="org.freedesktop.DBus"
58 send_interface="org.freedesktop.DBus"
59 send_member="UpdateActivationEnvironment"/>
60 <deny send_destination="org.freedesktop.DBus"
61 send_interface="org.freedesktop.DBus.Debug.Stats"/>
62 <deny send_destination="org.freedesktop.DBus"
63 send_interface="org.freedesktop.systemd1.Activator"/>
64
65 <allow own="org.qemu.VMState1"/>
66 <allow send_destination="org.qemu.VMState1"/>
67 <allow receive_sender="org.qemu.VMState1"/>
68
69 </policy>
70
71 <include if_selinux_enabled="yes"
72 selinux_root_relative="yes">contexts/dbus_contexts</include>
73
74</busconfig>
75EOF
76}
77
78ARGS=
79for arg in "$@"
80do
81 case $arg in
82 --config-file=*)
83 CONF="${arg#*=}"
84 write_config "$CONF"
85 ARGS="$ARGS $1"
86 shift
87 ;;
88 *)
89 ARGS="$ARGS $1"
90 shift
91 ;;
92 esac
93done
94
95exec dbus-daemon $ARGS