bsp/non_plat/vtservice.te

# ==============================================
# Policy File of /system/bin/vtservice Executable File

# ==============================================
# Common SEPolicy Rule
# ==============================================

# Date : WK15.33
# Purpose : Add vtservice to support video telephony functionality
#           3G VT/ViLTE both use this service which will also communication with IMCB/Rild
allow vtservice sdcard_type:dir search;
allow vtservice sdcard_type:file { read write open };
allow vtservice radio_service:service_manager find;
allow vtservice mediaserver_service:service_manager find;
allow vtservice power_service:service_manager find;
allow vtservice batterystats_service:service_manager find;

# Date : 2015/08/13
# Purpose : for access ccci device
allow vtservice ccci_device:chr_file { read write open ioctl };

# Purpose : VDEC/VENC device node
allow vtservice Vcodec_device:chr_file { read write ioctl open };

# Date: 2016/06/27
# This part is for both 3G VT/ViLTE
# Purpose: add in N migration for access audioflinger etc.
allow vtservice audioserver_service:service_manager find;
allow vtservice mnt_user_file:dir search;
allow vtservice surfaceflinger:binder call;

# Date: 2016/06/30
# This part is for both 3G VT/ViLTE
# Purpose: add in N migration for access SDcard etc.
allow vtservice audioserver:binder call;
allow vtservice mnt_user_file:lnk_file read;

# Date: 2016/07/01
# This part is for both 3G VT/ViLTE
# Purpose: add in N migration for write SDcard etc.
allow vtservice media_rw_data_file:dir create_dir_perms;
allow vtservice media_rw_data_file:file { write create open };

# Date: 2016/07/26
# Purpose: add for cleanup thread's AF_UNIX socket
allow vtservice proc_ged:file r_file_perms;
allowxperm vtservice proc_ged:file ioctl { proc_ged_ioctls };

# for debug dump data
allow vtservice storage_file:lnk_file read;
allow vtservice devmap_device:chr_file read;

allow vtservice devmap_device:chr_file open;
allow vtservice devmap_device:chr_file ioctl;

# for using surfaceflinger
allow vtservice surfaceflinger_service:service_manager find;

# for using camera
allow vtservice cameraserver_service:service_manager find;
allow vtservice cameraserver:binder call;
allow vtservice cameraserver:fd use;

# Change VTS uid to media
allow vtservice mediacodec:binder call;
allow vtservice qtaguid_device:chr_file r_file_perms;
allow vtservice priv_app:binder call;

# For loopback mode
allow vtservice self:capability net_admin;

# For vendro GPU
allow vtservice gpu_device:dir search;
allow vtservice dri_device:chr_file { open read write ioctl getattr};
allow vtservice gpu_device:chr_file rw_file_perms;

# Date : WK17.23
# Stage: O Migration, SQC
# Purpose: Allow to use HAL PQ
hal_client_domain(vtservice, hal_mtk_pq)

# Date : WK17.23
# Stage: O Migration, SQC
# Purpose: Allow to use shared memory for HAL PQ
hal_client_domain(vtservice, hal_allocator)

# 2017/07/
# HiDL porting
allow vtservice hwservicemanager:binder call;
allow vtservice system_file:dir read;
allow vtservice system_file:dir open;

# give permission for hal client
allow vtservice mtk_hal_videotelephony_hwservice:hwservice_manager find;

# Date : 2017/08/14
# Operation : VT development
# Purpose : Add vtservice to support video telephony functionality
#           3G VT/ViLTE both use this service which will also communication with IMCB/Rild
allow vtservice soc_vt_svc_socket:sock_file write;
allow vtservice soc_vt_tcv_socket:sock_file write;
allow vtservice rild_oem_socket:sock_file write;
allow vtservice platform_app:binder call;
allow vtservice system_server:binder call;
allow vtservice sdcard_type:dir write;
allow vtservice sdcard_type:dir add_name;
allow vtservice sdcard_type:dir create;
allow vtservice sdcard_type:file create;
allow vtservice sdcard_type:file getattr;
allow vtservice surfaceflinger:fd use;
allow vtservice tmpfs:lnk_file read;
allow vtservice radio:binder call;

# for codec acces dev/ion
allow vtservice ion_device:chr_file { open read };

# for MA socket rebind
hal_client_domain(vtservice, hal_omx)
allow vtservice mediametrics_service:service_manager find;
allow vtservice mediametrics:binder call;

allow vtservice self:udp_socket create_socket_perms_no_ioctl;
allow vtservice node:udp_socket node_bind;

allow vtservice fwmarkd_socket:sock_file write;
allow vtservice hal_graphics_allocator_default:binder call;
allow vtservice hal_graphics_allocator_default:fd use;
hal_client_domain(vtservice, hal_graphics_allocator);
allow vtservice hal_graphics_mapper_hwservice:hwservice_manager find;
allow vtservice netd:unix_stream_socket connectto;
allow vtservice ion_device:chr_file ioctl;
allow vtservice MTK_SMI_device:chr_file { read write ioctl open };
allow vtservice mtk_cmdq_device:chr_file r_file_perms;
allow vtservice mtk_mdp_device:chr_file r_file_perms;
allow vtservice mtk_mdp_sync_device:chr_file r_file_perms;
allow vtservice merged_hal_service:fd use;
allow vtservice merged_hal_service:binder call;

# Date : WK17.43
# Operation : Migration
# Purpose : DISP access
allow vtservice graphics_device:chr_file { ioctl open read };
allow vtservice graphics_device:dir search;

# Date : WK18.10
# Operation : SQC
# Purpose : Allow perfmgr FPSGO access
allow vtservice proc_perfmgr:dir {read search};
allow vtservice proc_perfmgr:file r_file_perms;
allowxperm vtservice proc_perfmgr:file ioctl {
  PERFMGR_FPSGO_QUEUE
  PERFMGR_FPSGO_DEQUEUE
  PERFMGR_FPSGO_QUEUE_CONNECT
  PERFMGR_FPSGO_BQID
};

# Date: 2018/07/19
# Operation: P Migration
get_prop(vtservice, vendor_mtk_vendor_vt_prop)

# Date: 2018/08/24
# Operation: add mdp
hal_client_domain(vtservice, hal_mtk_mms)
allow vtservice cameraserver:dir search;
allow vtservice cameraserver:file { getattr open read };
allow vtservice proc_uptime:file read;

# Date: 2018/11/07
# Operation: gen97
allow vtservice port:udp_socket name_bind;
allow vtservice self:capability net_raw;

# Date: 2019/08/29
# Operation: support c2 sw codec
hal_client_domain(vtservice, hal_codec2)

# Date: 2021/05/29
# Operation: VT c2 for dmabuf heap
allow vtservice dmabuf_system_heap_device:chr_file r_file_perms;