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141 lines
5.6 KiB
141 lines
5.6 KiB
4 months ago
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###
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### A domain for further sandboxing the PrebuiltGMSCore app.
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###
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typeattribute gmscore_app coredomain;
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app_domain(gmscore_app)
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allow gmscore_app sysfs_type:dir search;
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# Read access to /sys/class/net/wlan*/address
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r_dir_file(gmscore_app, sysfs_net)
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# Read access to /sys/block/zram*/mm_stat
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r_dir_file(gmscore_app, sysfs_zram)
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r_dir_file(gmscore_app, rootfs)
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# Allow GMS core to open kernel config for OTA matching through libvintf
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allow gmscore_app config_gz:file { open read getattr };
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# Allow GMS core to communicate with update_engine for A/B update.
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binder_call(gmscore_app, update_engine)
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allow gmscore_app update_engine_service:service_manager find;
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# Allow GMS core to communicate with dumpsys storaged.
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binder_call(gmscore_app, storaged)
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allow gmscore_app storaged_service:service_manager find;
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# Allow GMS core to access system_update_service (e.g. to publish pending
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# system update info).
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allow gmscore_app system_update_service:service_manager find;
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# Allow GMS core to communicate with statsd.
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binder_call(gmscore_app, statsd)
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# Allow GMS core to generate unique hardware IDs
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allow gmscore_app keystore:keystore_key gen_unique_id;
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allow gmscore_app keystore:keystore2_key gen_unique_id;
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# Allow GMS core to access /sys/fs/selinux/policyvers for compatibility check
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allow gmscore_app selinuxfs:file r_file_perms;
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# suppress denials for non-API accesses.
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dontaudit gmscore_app exec_type:file r_file_perms;
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dontaudit gmscore_app device:dir r_dir_perms;
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dontaudit gmscore_app fs_bpf:dir r_dir_perms;
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dontaudit gmscore_app net_dns_prop:file r_file_perms;
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dontaudit gmscore_app proc:file r_file_perms;
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dontaudit gmscore_app proc_interrupts:file r_file_perms;
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dontaudit gmscore_app proc_modules:file r_file_perms;
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dontaudit gmscore_app proc_net:file r_file_perms;
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dontaudit gmscore_app proc_stat:file r_file_perms;
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dontaudit gmscore_app proc_version:file r_file_perms;
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dontaudit gmscore_app sysfs:dir r_dir_perms;
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dontaudit gmscore_app sysfs:file r_file_perms;
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dontaudit gmscore_app sysfs_android_usb:file r_file_perms;
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dontaudit gmscore_app sysfs_dm:file r_file_perms;
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dontaudit gmscore_app sysfs_loop:file r_file_perms;
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dontaudit gmscore_app { wifi_prop wifi_hal_prop }:file r_file_perms;
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dontaudit gmscore_app mirror_data_file:dir search;
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dontaudit gmscore_app mnt_vendor_file:dir search;
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# Access the network
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net_domain(gmscore_app)
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# webview crash handling depends on self ptrace (b/27697529, b/20150694, b/19277529#comment7)
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allow gmscore_app self:process ptrace;
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# Allow loading executable code from writable priv-app home
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# directories. This is a W^X violation, however, it needs
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# to be supported for now for the following reasons.
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# * /data/user_*/0/*/code_cache/* POSSIBLE uses (b/117841367)
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# 1) com.android.opengl.shaders_cache
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# 2) com.android.skia.shaders_cache
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# 3) com.android.renderscript.cache
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# * /data/user_de/0/com.google.android.gms/app_chimera
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# TODO: Tighten (b/112357170)
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allow gmscore_app privapp_data_file:file execute;
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# Chrome Crashpad uses the the dynamic linker to load native executables
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# from an APK (b/112050209, crbug.com/928422)
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allow gmscore_app system_linker_exec:file execute_no_trans;
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allow gmscore_app privapp_data_file:lnk_file create_file_perms;
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# /proc access
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allow gmscore_app proc_vmstat:file r_file_perms;
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# Allow interaction with gpuservice
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binder_call(gmscore_app, gpuservice)
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allow gmscore_app gpu_service:service_manager find;
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# find services that expose both @SystemAPI and normal APIs.
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allow gmscore_app app_api_service:service_manager find;
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allow gmscore_app system_api_service:service_manager find;
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allow gmscore_app audioserver_service:service_manager find;
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allow gmscore_app cameraserver_service:service_manager find;
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allow gmscore_app drmserver_service:service_manager find;
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allow gmscore_app mediadrmserver_service:service_manager find;
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allow gmscore_app mediaextractor_service:service_manager find;
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allow gmscore_app mediametrics_service:service_manager find;
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allow gmscore_app mediaserver_service:service_manager find;
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allow gmscore_app network_watchlist_service:service_manager find;
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allow gmscore_app nfc_service:service_manager find;
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allow gmscore_app oem_lock_service:service_manager find;
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allow gmscore_app persistent_data_block_service:service_manager find;
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allow gmscore_app radio_service:service_manager find;
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allow gmscore_app recovery_service:service_manager find;
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allow gmscore_app stats_service:service_manager find;
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# Used by Finsky / Android "Verify Apps" functionality when
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# running "adb install foo.apk".
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allow gmscore_app shell_data_file:file r_file_perms;
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allow gmscore_app shell_data_file:dir r_dir_perms;
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# Write to /cache.
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allow gmscore_app { cache_file cache_recovery_file }:dir create_dir_perms;
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allow gmscore_app { cache_file cache_recovery_file }:file create_file_perms;
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# /cache is a symlink to /data/cache on some devices. Allow reading the link.
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allow gmscore_app cache_file:lnk_file r_file_perms;
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# Write to /data/ota_package for OTA packages.
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allow gmscore_app ota_package_file:dir rw_dir_perms;
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allow gmscore_app ota_package_file:file create_file_perms;
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# Used by Finsky / Android "Verify Apps" functionality when
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# running "adb install foo.apk".
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allow gmscore_app shell_data_file:file r_file_perms;
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allow gmscore_app shell_data_file:dir r_dir_perms;
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# b/18504118: Allow reads from /data/anr/traces.txt
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allow gmscore_app anr_data_file:file r_file_perms;
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# b/148974132: com.android.vending needs this
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allow gmscore_app priv_app:tcp_socket { read write };
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# b/168059475 Allow GMSCore to read Virtual AB properties to determine
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# if device supports VAB.
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get_prop(gmscore_app, virtual_ab_prop)
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# b/186488185: Allow GMSCore to read dck properties
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get_prop(gmscore_app, dck_prop)
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