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60 lines
2.0 KiB
60 lines
2.0 KiB
# HwBinder IPC from client to server, and callbacks |
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binder_call(hal_drm_client, hal_drm_server) |
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binder_call(hal_drm_server, hal_drm_client) |
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add_hwservice(hal_drm_server, hal_drm_hwservice) |
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allow hal_drm_client hal_drm_hwservice:hwservice_manager find; |
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allow hal_drm hidl_memory_hwservice:hwservice_manager find; |
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# Required by Widevine DRM (b/22990512) |
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allow hal_drm self:process execmem; |
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# Permit reading device's serial number from system properties |
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get_prop(hal_drm, serialno_prop) |
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# System file accesses |
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allow hal_drm system_file:dir r_dir_perms; |
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allow hal_drm system_file:file r_file_perms; |
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allow hal_drm system_file:lnk_file r_file_perms; |
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# Read files already opened under /data |
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allow hal_drm system_data_file:dir { search getattr }; |
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allow hal_drm system_data_file:file { getattr read }; |
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allow hal_drm system_data_file:lnk_file r_file_perms; |
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# Read access to pseudo filesystems |
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r_dir_file(hal_drm, cgroup) |
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allow hal_drm cgroup:dir { search write }; |
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allow hal_drm cgroup:file w_file_perms; |
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# Allow access to ion memory allocation device |
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allow hal_drm ion_device:chr_file rw_file_perms; |
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allow hal_drm hal_graphics_allocator:fd use; |
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# Allow access to fds allocated by mediaserver |
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allow hal_drm mediaserver:fd use; |
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# Allow access to app_data and media_data_files |
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allow hal_drm media_data_file:dir create_dir_perms; |
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allow hal_drm media_data_file:file create_file_perms; |
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allow hal_drm media_data_file:file { getattr read }; |
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allow hal_drm sysfs:file r_file_perms; |
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allow hal_drm tee_device:chr_file rw_file_perms; |
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# only allow unprivileged socket ioctl commands |
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allowxperm hal_drm self:{ rawip_socket tcp_socket udp_socket } |
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ioctl { unpriv_sock_ioctls unpriv_tty_ioctls }; |
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### |
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### neverallow rules |
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### |
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# hal_drm should never execute any executable without a |
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# domain transition |
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neverallow hal_drm { file_type fs_type }:file execute_no_trans; |
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# do not allow privileged socket ioctl commands |
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neverallowxperm hal_drm domain:{ rawip_socket tcp_socket udp_socket } ioctl priv_sock_ioctls;
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