183 lines
7.8 KiB
Text
183 lines
7.8 KiB
Text
###
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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/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 receive Perfetto traces through the framework
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# (i.e. TracingServiceProxy) and sendfile them into its private directory
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# for reporting when network and battery conditions are appropriate.
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allow gmscore_app perfetto:fd use;
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allow gmscore_app perfetto_traces_data_file:file { read getattr };
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# Allow GMS core to generate unique hardware IDs
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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 kernel:security *;
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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 sysfs_net:file r_file_perms;
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dontaudit gmscore_app sysfs_net:dir r_dir_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 create_dir_perms;
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allow gmscore_app ota_package_file:file create_file_perms;
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# Write the checkin metadata to /data/misc_ce/<userid>/checkin
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allow gmscore_app checkin_data_file:dir rw_dir_perms;
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allow gmscore_app checkin_data_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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# allow gms core app write to aconfigd socket
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allow gmscore_app aconfigd_socket:sock_file {read write};
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allow gmscore_app aconfigd:unix_stream_socket connectto;
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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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# Allow GMSCore to read RKP properties for the purpose of GTS testing.
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get_prop(gmscore_app, remote_prov_prop)
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# Allow GmsCore to read Quick Start properties and prevent access from other
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# policies.
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get_prop(gmscore_app, quick_start_prop)
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neverallow { domain -init -dumpstate -vendor_init -gmscore_app } quick_start_prop:file no_rw_file_perms;
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# Do not allow getting permission-protected network information from sysfs.
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neverallow gmscore_app sysfs_net:file *;
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# Restrict socket ioctls. Either 1. disallow privileged ioctls, 2. disallow the
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# ioctl permission, or 3. disallow the socket class.
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neverallowxperm gmscore_app domain:{ icmp_socket rawip_socket tcp_socket udp_socket } ioctl priv_sock_ioctls;
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neverallow gmscore_app *:{ netlink_route_socket netlink_selinux_socket } ioctl;
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neverallow gmscore_app *:{
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socket netlink_socket packet_socket key_socket appletalk_socket
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netlink_tcpdiag_socket netlink_nflog_socket
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netlink_xfrm_socket netlink_audit_socket
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netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket
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netlink_iscsi_socket netlink_fib_lookup_socket netlink_connector_socket
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netlink_netfilter_socket netlink_generic_socket netlink_scsitransport_socket
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netlink_rdma_socket netlink_crypto_socket sctp_socket
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ax25_socket ipx_socket netrom_socket atmpvc_socket x25_socket rose_socket decnet_socket
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atmsvc_socket rds_socket irda_socket pppox_socket llc_socket can_socket tipc_socket
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bluetooth_socket iucv_socket rxrpc_socket isdn_socket phonet_socket ieee802154_socket caif_socket
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alg_socket nfc_socket kcm_socket qipcrtr_socket smc_socket xdp_socket
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} *;
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