platform_system_sepolicy/private/file.te
Alan Stokes 53c76a25bb Support legacy apexdata labels
This partly reverts fa10a14fac. There we
removed individual labels for various apexdata labels, replacing them
with apex_system_server_data_file.

Unfortunately that doesn't handle upgrade scenarios well, e.g. when
updating system but keeping the old vendor sepolicy. The directories
keep their old labels, and vold_prepare_subdirs is unable to relabel
them as there is no policy to allow it to.

So we bring back the legacy labels, in private not public, and add the
rules needed to ensure system_server and vold_prepare_subdirs have the
access they need. All the other access needed is obtained via the
apex_data_file_type attribute.

Bug: 217581286
Test: Reset labels using chcon, reboot, directories are relabeled, no denials
Change-Id: If696882450f2634e382f217dab8f9f3882bff03f
2022-02-08 16:07:08 +00:00

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# /proc/config.gz
type config_gz, fs_type, proc_type;
# /data/misc/storaged
type storaged_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/wmtrace for wm traces
type wm_trace_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/a11ytrace for accessibility traces
type accessibility_trace_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/perfetto-traces for perfetto traces
type perfetto_traces_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/perfetto-traces/bugreport for perfetto traces for bugreports.
type perfetto_traces_bugreport_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/perfetto-configs for perfetto configs
type perfetto_configs_data_file, file_type, data_file_type, core_data_file_type;
# /sys/kernel/debug/kcov for coverage guided kernel fuzzing in userdebug builds.
type debugfs_kcov, fs_type, debugfs_type;
# App executable files in /data/data directories
type app_exec_data_file, file_type, data_file_type, core_data_file_type;
typealias app_exec_data_file alias rs_data_file;
# /data/misc_[ce|de]/rollback : Used by installd to store snapshots
# of application data.
type rollback_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc_ce/checkin for checkin apps.
type checkin_data_file, file_type, data_file_type, core_data_file_type;
# /data/gsi/ota
type ota_image_data_file, file_type, data_file_type, core_data_file_type;
# /data/gsi_persistent_data
type gsi_persistent_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/emergencynumberdb
type emergency_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/profcollectd
type profcollectd_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/apexdata/com.android.art
type apex_art_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
# /data/misc/apexdata/com.android.art/staging
type apex_art_staging_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/apexdata/com.android.compos
type apex_compos_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
# legacy labels for various /data/misc[_ce|_de]/*/apexdata directories - retained
# for backward compatibility b/217581286
type apex_appsearch_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
type apex_permission_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
type apex_scheduling_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
type apex_wifi_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
# /data/font/files
type font_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/odrefresh
type odrefresh_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/odsign
type odsign_data_file, file_type, data_file_type, core_data_file_type;
# /data/misc/virtualizationservice
type virtualizationservice_data_file, file_type, data_file_type, core_data_file_type;
# /data/system/environ
type environ_system_data_file, file_type, data_file_type, core_data_file_type;
# /data/bootanim
type bootanim_data_file, file_type, data_file_type, core_data_file_type;
# /dev/kvm
type kvm_device, dev_type;
# /apex/com.android.virt/bin/fd_server
type fd_server_exec, system_file_type, exec_type, file_type;
# /metadata/sepolicy
type sepolicy_metadata_file, file_type;
# /dev/selinux/test - used to verify that apex sepolicy is loaded and
# property labeled.
type sepolicy_test_file, file_type;