# ============================================== # 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 nvdata_device:blk_file rw_file_perms; # 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 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 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 self:capability { fowner chown 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: 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; # Purpose: remove /data/nvram link allow nvram_daemon nvram_data_file:lnk_file unlink; # 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 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; # Date : WK18.16 # Operation: P migration # Purpose: Allow nvram_daemon to get tel_switch_prop get_prop(nvram_daemon, tel_switch_prop) # Date : WK18.21 # Operation: P migration # Purpose: Allow nvram_daemon to search /mnt/vendor/nvdata for fstab allow nvram_daemon mnt_vendor_file:dir search; allow nvram_daemon self:capability { fowner chown fsetid }; allow nvram_daemon sysfs_boot_mode:file r_file_perms;