d2ffd35cc0
Currently, app process can freely execute path at `/data/misc_ce/0/sdksandbox/<package-name>` since it's labeled as system file. They can't read or write, but use 403/404 error to figure out if an app is installed or not. By changing the selinux label of the parent directory: `/data/misc_ce/0/sdksandbox`, we can restrict app process from executing inside the directory and avoid the privacy leak. Sandbox process should only have "search" permission on the new label so that it can pass through it to its data directory located in `/data/misc_ce/0/sdksandbox/<package-name>/<per-sdk-dir>`. Bug: 214241165 Test: atest SdkSandboxStorageHostTest Test: `adb shell cd /data/misc_ce/0/sdksandbox` gives error Test: manual test to verify webview still works Change-Id: Id8771b322d4eb5532eaf719f203ca94035e2a8ed Merged-In: Id8771b322d4eb5532eaf719f203ca94035e2a8ed
110 lines
4.4 KiB
Text
110 lines
4.4 KiB
Text
# /proc/config.gz
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type config_gz, fs_type, proc_type;
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# /data/misc/storaged
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type storaged_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/wmtrace for wm traces
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type wm_trace_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/a11ytrace for accessibility traces
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type accessibility_trace_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/perfetto-traces for perfetto traces
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type perfetto_traces_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/perfetto-traces/bugreport for perfetto traces for bugreports.
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type perfetto_traces_bugreport_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/perfetto-configs for perfetto configs
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type perfetto_configs_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc_{ce/de}/<user>/sdksandbox root data directory for sdk sandbox processes
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type sdk_sandbox_system_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc_{ce/de}/<user>/sdksandbox/<app-name>/* subdirectory for sdk sandbox processes
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type sdk_sandbox_data_file, file_type, data_file_type, core_data_file_type, app_data_file_type;
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# /sys/kernel/debug/kcov for coverage guided kernel fuzzing in userdebug builds.
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type debugfs_kcov, fs_type, debugfs_type;
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# App executable files in /data/data directories
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type app_exec_data_file, file_type, data_file_type, core_data_file_type;
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typealias app_exec_data_file alias rs_data_file;
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# /data/misc_[ce|de]/rollback : Used by installd to store snapshots
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# of application data.
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type rollback_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc_ce/checkin for checkin apps.
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type checkin_data_file, file_type, data_file_type, core_data_file_type;
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# /data/gsi/ota
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type ota_image_data_file, file_type, data_file_type, core_data_file_type;
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# /data/gsi_persistent_data
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type gsi_persistent_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/emergencynumberdb
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type emergency_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/profcollectd
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type profcollectd_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/apexdata/com.android.art
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type apex_art_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
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# /data/misc/apexdata/com.android.art/staging
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type apex_art_staging_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/apexdata/com.android.compos
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type apex_compos_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
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# legacy labels for various /data/misc[_ce|_de]/*/apexdata directories - retained
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# for backward compatibility b/217581286
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type apex_appsearch_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
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type apex_permission_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
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type apex_scheduling_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
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type apex_tethering_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
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type apex_wifi_data_file, file_type, data_file_type, core_data_file_type, apex_data_file_type;
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# /data/font/files
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type font_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/dmesgd
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type dmesgd_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/odrefresh
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type odrefresh_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/odsign
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type odsign_data_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/odsign_metrics
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type odsign_metrics_file, file_type, data_file_type, core_data_file_type;
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# /data/misc/virtualizationservice
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type virtualizationservice_data_file, file_type, data_file_type, core_data_file_type;
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# /data/system/environ
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type environ_system_data_file, file_type, data_file_type, core_data_file_type;
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# /data/bootanim
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type bootanim_data_file, file_type, data_file_type, core_data_file_type;
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# /dev/kvm
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type kvm_device, dev_type;
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# /apex/com.android.virt/bin/fd_server
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type fd_server_exec, system_file_type, exec_type, file_type;
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# /apex/com.android.compos/bin/compsvc
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type compos_exec, exec_type, file_type, system_file_type;
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# /apex/com.android.compos/bin/compos_key_helper
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type compos_key_helper_exec, exec_type, file_type, system_file_type;
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# /metadata/sepolicy
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type sepolicy_metadata_file, file_type;
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# /dev/selinux/test - used to verify that apex sepolicy is loaded and
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# property labeled.
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type sepolicy_test_file, file_type;
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