legacy/vendor/common/wfdservice.te

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#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
get_prop(wfdservice, vendor_gralloc_prop)
get_prop(wfdservice, vendor_video_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)

# Fix sink avc denials
allow wfdservice mediametrics:binder call;
allow wfdservice vendor_audio_prop:file read;
allow wfdservice vendor_audio_prop:file open;
allow wfdservice vendor_audio_prop:file getattr;