# HwBinder IPC from client to server, and callbacks binder_call(hal_lowpan_client, hal_lowpan_server) binder_call(hal_lowpan_server, hal_lowpan_client) add_hwservice(hal_lowpan_server, hal_lowpan_hwservice) # Allow hal_lowpan_client to be able to find the hal_lowpan_server allow hal_lowpan_client hal_lowpan_hwservice:hwservice_manager find; # hal_lowpan domain can write/read to/from lowpan_prop set_prop(hal_lowpan_server, lowpan_prop) # Allow hal_lowpan_server to open lowpan_devices allow hal_lowpan_server lowpan_device:chr_file rw_file_perms; ### ### neverallow rules ### # Only LoWPAN HAL may directly access LoWPAN hardware neverallow { domain -hal_lowpan_server -init -ueventd } lowpan_device:chr_file ~getattr;