tequilaOS/platform_device_qcom_sepolicy-legacy-um
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sepolicy: Change policy for wfd on legacy targets

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WFD requires revision in its SEAndroid policies due
to an OS upgrade and design re-architecture to conform
to system-wide mandates.

Change-Id: I5a9adc280cefab73d8c467379b74951fc3a88e71
This commit is contained in:
Manu Prasad 2019-03-08 18:03:01 +05:30 committed by Gerrit - the friendly Code Review server
parent 804a52018e
commit 3089da6c10
6 changed files with 118 additions and 43 deletions
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3
legacy/vendor/common/hwservice_contexts vendored
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@ -94,3 +94,6 @@ vendor.qti.hardware.mlshal::IMlsVnc u:object_r:hal_mirr
vendor.qti.hardware.mlshal::IMlsIon u:object_r:hal_mirrorlink_hwservice:s0
vendor.qti.hardware.wifi.wifilearner::IWifiStats u:object_r:hal_wifilearner_hwservice:s0
vendor.qti.hardware.fm::IFmHci u:object_r:hal_fm_hwservice:s0
vendor.qti.hardware.wifidisplaysession::IWifiDisplaySession u:object_r:wifidisplayhalservice_hwservice:s0
vendor.qti.hardware.wifidisplaysession::IWifiDisplaySessionVideoTrack u:object_r:wifidisplayhalservice_hwservice:s0
vendor.qti.hardware.wifidisplaysession::IWifiDisplaySessionAudioTrack u:object_r:wifidisplayhalservice_hwservice:s0

2
legacy/vendor/common/mediacodec.te vendored
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@ -38,7 +38,7 @@ allow mediacodec xdsp_device:chr_file r_file_perms;
#Allow mediacodec to access service manager wfdnativemm_service
allow mediacodec wfdnativemm_service:service_manager find;
hal_client_domain(mediacodec, wifidisplayhalservice)
binder_call(mediacodec, wifidisplayhalservice_qti);
#Allow mediacodec to access vendor_media_data_file files
allow mediacodec vendor_media_data_file:dir create_dir_perms;

32
legacy/vendor/common/wfdservice.te vendored
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@ -1,4 +1,4 @@
# Copyright (c) 2019, The Linux Foundation. All rights reserved.
# Copyright (c) 2019 The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
@ -25,34 +25,4 @@
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#allow access to sysfs to know HDMI repeater state
allow wfdservice sysfs_graphics:file rw_file_perms;
allow wfdservice sysfs_graphics:dir r_dir_perms;
#Allow hardware binder use
hwbinder_use(wfdservice)
get_prop(wfdservice, hwservicemanager_prop)
#Allow hal graphics mapper permissions
hal_client_domain(wfdservice, hal_graphics_composer);
#Allow hal graphics allocator permissions
hal_client_domain(wfdservice, hal_graphics_allocator);
hal_client_domain(wfdservice, wifidisplayhalservice);
#Denial seen - SELinux : avc: denied { find } for interface=com.qualcomm.qti.wifidisplayhal::IHDCPSession
#pid=3530 scontext=u:r:wfdservice:s0 tcontext=u:object_r:wifidisplayhalservice_hwservice:s0 tclass=hwservice_manager
allow wfdservice wifidisplayhalservice_hwservice:hwservice_manager find;
#Allow for property access
userdebug_or_eng(`
get_prop(wfdservice, wfd_debug_prop)
')
get_prop(wfdservice, vendor_gralloc_prop)
# Add the rule for wfd to access /proc/asound/pcm file
r_dir_file(wfdservice, proc_asound)
# Add the rule for wfd to access /proc/asound/card0/state file
r_dir_file(wfdservice, proc_audiod)

62
legacy/vendor/common/wifidisplayhalservice.te vendored
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@ -1,4 +1,4 @@
# Copyright (c) 2017, The Linux Foundation. All rights reserved.
# Copyright (c) 2017,2019 The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
@ -28,32 +28,72 @@
#Define Domain
type wifidisplayhalservice_qti, domain;
type wifidisplayhalservice_qti_exec, exec_type, vendor_file_type, file_type;
net_domain(wifidisplayhalservice_qti)
hal_server_domain_bypass(wifidisplayhalservice_qti,wifidisplayhalservice)
#Allow for transition from init domain to wifidisplayhalservice
init_daemon_domain(wifidisplayhalservice_qti)
#Inherit base network permissions from netd
net_domain(wifidisplayhalservice_qti)
#Allow wifidisplayhalservice to use Vendor Binder IPC
vndbinder_use(wifidisplayhalservice)
hal_server_domain_bypass(wifidisplayhalservice_qti,wifidisplayhalservice)
# Allow hwbinder call from hal client to server
binder_call(wifidisplayhalservice_client, wifidisplayhalservice_server)
binder_call(wifidisplayhalservice_server, wifidisplayhalservice_client)
# Add hwservice related rules
add_hwservice(wifidisplayhalservice_server, wifidisplayhalservice_hwservice)
hal_attribute_hwservice(wifidisplayhalservice, wifidisplayhalservice_hwservice)
#Direct streaming native service
add_service(wifidisplayhalservice, wfdnativemm_service)
add_service(wifidisplayhalservice_qti, wfdnativemm_service)
#Allow access to firmware files for HDCP session
r_dir_file(wifidisplayhalservice, vendor_firmware_file)
r_dir_file(wifidisplayhalservice, firmware_file)
r_dir_file(wifidisplayhalservice_qti, firmware_file)
#Allow access to tee/ion device and tcp socket for HDCP sessions
allow wifidisplayhalservice tee_device:chr_file rw_file_perms;
allow wifidisplayhalservice ion_device:chr_file r_file_perms;
allow wifidisplayhalservice_qti tee_device:chr_file rw_file_perms;
#Allow access to PCM sound card
allow wifidisplayhalservice_qti audio_device:chr_file rw_file_perms;
allow wifidisplayhalservice_qti audio_device:dir r_dir_perms;
#Allow access to /dev/video/* devices for encoding/decoding
allow wifidisplayhalservice_qti video_device:chr_file rw_file_perms;
#Allow binder call to mediacodec from wifidisplayhalservice
binder_call(wifidisplayhalservice_qti, mediacodec);
#Allow udp socket ioctl
allow wifidisplayhalservice_qti self:udp_socket create_socket_perms;
# ioctlcmd=8bff,8912
allowxperm wifidisplayhalservice_qti self:udp_socket ioctl priv_sock_ioctls;
#Allow access to proc/net/arp
allow wifidisplayhalservice_qti proc_net:file r_file_perms;
# Add the rule for wfd to access /proc/asound/pcm file
r_dir_file(wifidisplayhalservice_qti, proc_asound)
#Allow hal graphics allocator permissions
hal_client_domain(wifidisplayhalservice_qti, hal_graphics_allocator);
#Allow hal graphics mapper permissions
hal_client_domain(wifidisplayhalservice_qti, hal_graphics_composer);
#Allow wifidisplayhalservice_qti to query interface name of network (p2p etc.)
allow wifidisplayhalservice_qti self:netlink_generic_socket create_socket_perms_no_ioctl;
#Allow communication with init over property server
unix_socket_connect(wifidisplayhalservice_qti, property, init);
#Allow ion device access
allow wifidisplayhalservice_qti ion_device:chr_file r_file_perms;
#Allow for property access
userdebug_or_eng(`
get_prop(wifidisplayhalservice_qti,wfd_vendor_debug_prop)
')
allow wifidisplayhalservice qdisplay_service:service_manager { find };

30
legacy/vendor/test/property.te vendored Normal file
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@ -0,0 +1,30 @@
# Copyright (c) 2018, 2019 The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of The Linux Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
type sensors_dbg_prop, property_type;
#WiFi Display
type wfd_vendor_debug_prop, property_type;

32
legacy/vendor/test/property_contexts vendored Normal file
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@ -0,0 +1,32 @@
# Copyright (c) 2018, 2019 The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of The Linux Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
persist.vendor.debug.sensors. u:object_r:sensors_dbg_prop:s0
#Wifi Display
persist.vendor.debug.mux. u:object_r:wfd_vendor_debug_prop:s0
persist.vendor.debug.rtp. u:object_r:wfd_vendor_debug_prop:s0
persist.vendor.debug.wfd. u:object_r:wfd_vendor_debug_prop:s0