bb7586ac03
Add necessary sepolicy. Log and reason are added in review comment
move sysfs out from legacy setting
Bug: 262633502
Bug: 263049105
Bug: 262794577
Bug: 262794578
Bug: 262794634
Test: video playback
SELinuxTest#scanBugreport
SELinuxTest#scanAvcDeniedLogRightAfterReboot
Change-Id: I240f3fc4672a0d3133699f76a808573e172d23f2
37 lines
1.5 KiB
Text
37 lines
1.5 KiB
Text
type mediacodec_samsung, domain;
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type mediacodec_samsung_exec, vendor_file_type, exec_type, file_type;
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init_daemon_domain(mediacodec_samsung)
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hal_server_domain(mediacodec_samsung, hal_codec2)
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add_service(mediacodec_samsung, eco_service)
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vndbinder_use(mediacodec_samsung)
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allow mediacodec_samsung video_device:chr_file rw_file_perms;
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allow mediacodec_samsung dmabuf_system_heap_device:chr_file r_file_perms;
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allow mediacodec_samsung gpu_device:chr_file rw_file_perms;
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allow mediacodec_samsung sysfs_mfc:file r_file_perms;
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allow mediacodec_samsung sysfs_mfc:dir r_dir_perms;
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# can use graphics allocator
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hal_client_domain(mediacodec_samsung, hal_graphics_allocator)
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binder_call(mediacodec_samsung, hal_camera_default)
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crash_dump_fallback(mediacodec_samsung)
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# mediacodec_samsung should never execute any executable without a domain transition
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neverallow mediacodec_samsung { file_type fs_type }:file execute_no_trans;
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# Media processing code is inherently risky and thus should have limited
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# permissions and be isolated from the rest of the system and network.
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# Lengthier explanation here:
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# https://android-developers.googleblog.com/2016/05/hardening-media-stack.html
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neverallow mediacodec_samsung domain:{ udp_socket rawip_socket } *;
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neverallow mediacodec_samsung { domain userdebug_or_eng(`-su') }:tcp_socket *;
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userdebug_or_eng(`
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allow mediacodec_samsung vendor_media_data_file:dir rw_dir_perms;
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allow mediacodec_samsung vendor_media_data_file:file create_file_perms;
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')
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