# ============================================== # Policy File of /system/bin/mtkrild Executable File # ============================================== # Type Declaration # ============================================== type mtkrild_exec , exec_type, file_type, vendor_file_type; type mtkrild ,domain; # ============================================== # MTK Policy Rule # ============================================== init_daemon_domain(mtkrild) net_domain(mtkrild) # Trigger module auto-load. allow mtkrild kernel:system module_request; # Capabilities assigned for mtkrild allow mtkrild self:capability { setuid net_admin net_raw }; # Control cgroups allow mtkrild cgroup:dir create_dir_perms; # Property service # allow set RIL related properties (radio./net./system./etc) set_prop(mtkrild, vendor_mtk_ril_active_md_prop) # allow set muxreport control properties set_prop(mtkrild, vendor_mtk_ril_cdma_report_prop) set_prop(mtkrild, vendor_mtk_ril_mux_report_case_prop) set_prop(mtkrild, vendor_mtk_ctl_muxreport-daemon_prop) #Dat: 2017/02/14 #Purpose: allow set telephony Sensitive property set_prop(mtkrild, vendor_mtk_telephony_sensitive_prop) # Access to wake locks wakelock_use(mtkrild) # Allow access permission to efs files allow mtkrild efs_file:dir create_dir_perms; allow mtkrild efs_file:file create_file_perms; allow mtkrild bluetooth_efs_file:file r_file_perms; allow mtkrild bluetooth_efs_file:dir r_dir_perms; # Allow access permission to dir/files # (radio data/system data/proc/etc) # Violate Android P rule allow mtkrild sdcardfs:dir r_dir_perms; # Violate Android P rule #allow mtkrild system_file:file x_file_perms; allow mtkrild proc_net:file w_file_perms; # Set and get routes directly via netlink. allow mtkrild self:netlink_route_socket nlmsg_write; # Allow read/write to devices/files allow mtkrild mtk_radio_device:dir search; allow mtkrild radio_device:chr_file rw_file_perms; allow mtkrild radio_device:blk_file r_file_perms; allow mtkrild mtd_device:dir search; # Allow read/write to tty devices allow mtkrild tty_device:chr_file rw_file_perms; allow mtkrild eemcs_device:chr_file { rw_file_perms }; #allow mtkrild Vcodec_device:chr_file { rw_file_perms }; allow mtkrild devmap_device:chr_file { r_file_perms }; allow mtkrild devpts:chr_file { rw_file_perms }; allow mtkrild ccci_device:chr_file { rw_file_perms }; allow mtkrild misc_device:chr_file { rw_file_perms }; allow mtkrild proc_lk_env:file rw_file_perms; #allow mtkrild bootdevice_block_device:blk_file { rw_file_perms }; allow mtkrild para_block_device:blk_file { rw_file_perms }; # Allow dir search, fd uses allow mtkrild block_device:dir search; allow mtkrild platform_app:fd use; allow mtkrild radio:fd use; # For MAL MFI allow mtkrild mal_mfi_socket:sock_file { w_file_perms }; # For ccci sysfs node allow mtkrild sysfs_ccci:dir search; allow mtkrild sysfs_ccci:file r_file_perms; #For Kryptowire mtklog issue allow mtkrild aee_aedv:unix_stream_socket connectto; # Allow ioctl in order to control network interface allowxperm mtkrild self:udp_socket ioctl {SIOCDELRT SIOCSIFFLAGS SIOCSIFADDR SIOCKILLADDR SIOCDEVPRIVATE SIOCDEVPRIVATE_1}; # Allow to use vendor binder vndbinder_use(mtkrild) # Allow to trigger IPv6 RS allow mtkrild node:rawip_socket node_bind; #Date : W18.15 #Purpose: allow rild access to vendor.ril.ipo system property set_prop(mtkrild, vendor_mtk_ril_ipo_prop) # Date : WK18.16 # Operation: P migration # Purpose: Allow mtkrild to get vendor_mtk_tel_switch_prop get_prop(mtkrild, vendor_mtk_tel_switch_prop) #Date: W1817 #Purpose: allow rild access property of vendor_mtk_radio_prop set_prop(mtkrild, vendor_mtk_radio_prop) # Date : WK18.26 # Operation: P migration # Purpose: Allow carrier express HIDL to set vendor property set_prop(mtkrild, vendor_mtk_cxp_vendor_prop) allow mtkrild mnt_vendor_file:dir search; allow mtkrild mnt_vendor_file:file create_file_perms; allow mtkrild nvdata_file:dir create_dir_perms; allow mtkrild nvdata_file:file create_file_perms; # Date : WK18.31 # Operation: P migration # Purpose: Allow supplementary service HIDL to set vendor property set_prop(mtkrild, vendor_mtk_ss_vendor_prop) # Date : WK19.43 # Purpose: Allow wfc module from rild read system property from wfc module get_prop(mtkrild, vendor_mtk_wfc_serv_prop) # Date : 2020/06/11 # Operation: R migration # Purpose: Allow mtkrild to get system_boot_reason_prop get_prop(mtkrild, system_boot_reason_prop)