henry huang 9764053433 [ALPS03841839] fix nvram SELinux violations
[Detail]fix nvram selinux violations

[Solution]remove system_data_file sepolicy from nvram_daemon.te/nvram_agent_binder.te

MTK-Commit-Id: 4a9272ef13c590133649ca46d962f14768a216ef

Change-Id: I473edae03de50c6d747477e34e6eb797b7b1875e
CR-Id: ALPS03841839
Feature: NVRAM Partition
2020-01-18 09:30:59 +08:00

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# ==============================================
# Policy File of /vendor/binnvram_daemon Executable File
# ==============================================
# Type Declaration
# ==============================================
type nvram_daemon_exec , exec_type, file_type, vendor_file_type;
type nvram_daemon ,domain;
# ==============================================
# MTK Policy Rule
# ==============================================
init_daemon_domain(nvram_daemon)
# Date : WK14.31
# Operation : Migration
# Purpose : the device is used to store Nvram backup data that can not be lost.
allow nvram_daemon nvram_device:blk_file rw_file_perms;
allow nvram_daemon bootdevice_block_device:blk_file rw_file_perms;
allow nvram_daemon nvdata_device:blk_file rw_file_perms;
# Date : WK14.34
# Operation : Migration
# Purpose : the option is used to tell that if other processes can access nvram.
allow nvram_daemon system_prop:property_service set;
# Date : WK14.35
# Operation : chown folder and file permission
# Purpose : ensure nvram user can access nvram file normally when upgrade from KK/KK.AOSP to L.
#allow nvram_daemon shell_exec:file rx_file_perms;
allow nvram_daemon nvram_data_file:dir create_dir_perms;
allow nvram_daemon nvram_data_file:file create_file_perms;
allow nvram_daemon nvram_data_file:lnk_file read;
allow nvram_daemon nvdata_file:lnk_file read;
allow nvram_daemon nvdata_file:dir create_dir_perms;
allow nvram_daemon nvdata_file:file create_file_perms;
#allow nvram_daemon system_file:file execute_no_trans;
allow nvram_daemon als_ps_device:chr_file r_file_perms;
allow nvram_daemon mtk-adc-cali_device:chr_file rw_file_perms;
allow nvram_daemon gsensor_device:chr_file r_file_perms;
allow nvram_daemon gyroscope_device:chr_file r_file_perms;
allow nvram_daemon init:unix_stream_socket connectto;
# Purpose: for property set
#allow nvram_daemon property_socket:sock_file w_file_perms;
allow nvram_daemon sysfs:file w_file_perms;
#allow nvram_daemon self:capability { fowner chown dac_override fsetid };
# Purpose: for backup
allow nvram_daemon nvram_device:chr_file rw_file_perms;
allow nvram_daemon pro_info_device:chr_file rw_file_perms;
allow nvram_daemon block_device:dir search;
# Purpose: for nand project
allow nvram_daemon mtd_device:dir search;
allow nvram_daemon mtd_device:chr_file rw_file_perms;
# Purpose: for fstab parser
allow nvram_daemon kmsg_device:chr_file w_file_perms;
allow nvram_daemon proc_lk_env:file rw_file_perms;
# Purpose: for workaround
# Todo: Remove this policy
#typeattribute nvram_daemon data_between_core_and_vendor_violators;
#remove from Android P
#allow nvram_daemon system_data_file:dir write;
# Purpose: property set
#allow nvram_daemon service_nvram_init_prop:property_service set;
# Purpose: copy /fstab*
allow nvram_daemon rootfs:dir { read open };
allow nvram_daemon rootfs:file r_file_perms;
#remove from Android P
#allow nvram_daemon system_data_file:lnk_file read;
# Purpose: remove /data/nvram link
#remove from Android P
#allow nvram_daemon system_data_file:dir { remove_name add_name };
#allow nvram_daemon system_data_file:lnk_file { create unlink };
allow nvram_daemon nvram_data_file:lnk_file unlink;
# Purpose: for run toolbox command: chown chmode..
#allow nvram_daemon toolbox_exec:file rx_file_perms;
# Purpose: for setting property
# ro.wlan.mtk.wifi.5g relabel to wifi_5g_prop
# denied { set } for property=ro.wlan.mtk.wifi.5g pid=242 uid=0 gid=1000 scontext=u:r:nvram_daemon:s0 tcontext=u:object_r:default_prop:s0 tclass=property_service permissive=1
#allow nvram_daemon wifi_5g_prop:property_service set;
set_prop(nvram_daemon, service_nvram_init_prop)
set_prop(nvram_daemon, wifi_5g_prop)
#WK17.26 camera 8163
allow nvram_daemon sysfs:dir read;
allow nvram_daemon sysfs:file read;