0c402012e6
To create symbolic link by unstrusted app raise the security issue. To allow platform_app to create symbolic link prevent the functionality from not working. Fixes: 123555031 Test: atest DocumentsUITests Bug: 123350324 Change-Id: Idb23c3e813c66bd284d42b8040deeea762f99a0f
95 lines
3.5 KiB
Text
95 lines
3.5 KiB
Text
###
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### Apps signed with the platform key.
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###
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typeattribute platform_app coredomain;
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app_domain(platform_app)
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# Access the network.
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net_domain(platform_app)
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# Access bluetooth.
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bluetooth_domain(platform_app)
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# Read from /data/local/tmp or /data/data/com.android.shell.
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allow platform_app shell_data_file:dir search;
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allow platform_app shell_data_file:file { open getattr read };
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allow platform_app icon_file:file { open getattr read };
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# Populate /data/app/vmdl*.tmp, /data/app-private/vmdl*.tmp files
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# created by system server.
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allow platform_app { apk_tmp_file apk_private_tmp_file }:dir rw_dir_perms;
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allow platform_app { apk_tmp_file apk_private_tmp_file }:file rw_file_perms;
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allow platform_app apk_private_data_file:dir search;
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# ASEC
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allow platform_app asec_apk_file:dir create_dir_perms;
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allow platform_app asec_apk_file:file create_file_perms;
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# Access to /data/media.
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allow platform_app media_rw_data_file:dir create_dir_perms;
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allow platform_app media_rw_data_file:file create_file_perms;
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# Write to /cache.
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allow platform_app cache_file:dir create_dir_perms;
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allow platform_app cache_file:file create_file_perms;
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# Direct access to vold-mounted storage under /mnt/media_rw
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# This is a performance optimization that allows platform apps to bypass the FUSE layer
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allow platform_app mnt_media_rw_file:dir r_dir_perms;
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allow platform_app sdcard_type:dir create_dir_perms;
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allow platform_app sdcard_type:file create_file_perms;
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# com.android.systemui
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allow platform_app rootfs:dir getattr;
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# com.android.captiveportallogin reads /proc/vmstat
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allow platform_app {
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proc_vmstat
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}:file r_file_perms;
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# /proc/net access.
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# TODO(b/9496886) Audit access for removal.
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r_dir_file(platform_app, proc_net_type)
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userdebug_or_eng(`
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auditallow platform_app proc_net_type:{ dir file lnk_file } { getattr open read };
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')
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allow platform_app audioserver_service:service_manager find;
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allow platform_app cameraserver_service:service_manager find;
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allow platform_app drmserver_service:service_manager find;
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allow platform_app mediaserver_service:service_manager find;
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allow platform_app mediametrics_service:service_manager find;
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allow platform_app mediaextractor_service:service_manager find;
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allow platform_app mediacodec_service:service_manager find;
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allow platform_app mediadrmserver_service:service_manager find;
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allow platform_app persistent_data_block_service:service_manager find;
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allow platform_app radio_service:service_manager find;
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allow platform_app thermal_service:service_manager find;
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allow platform_app timezone_service:service_manager find;
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allow platform_app app_api_service:service_manager find;
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allow platform_app system_api_service:service_manager find;
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allow platform_app vr_manager_service:service_manager find;
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# Access to /data/preloads
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allow platform_app preloads_data_file:file r_file_perms;
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allow platform_app preloads_data_file:dir r_dir_perms;
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allow platform_app preloads_media_file:file r_file_perms;
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allow platform_app preloads_media_file:dir r_dir_perms;
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read_runtime_log_tags(platform_app)
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# allow platform apps to use UDP sockets provided by the system server but not
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# modify them other than to connect
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allow platform_app system_server:udp_socket {
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connect getattr read recvfrom sendto write getopt setopt };
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# allow platform apps to connect to the property service
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set_prop(platform_app, test_boot_reason_prop)
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# allow platform apps to create symbolic link
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allow platform_app app_data_file:lnk_file create_file_perms;
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###
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### Neverallow rules
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###
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# app domains which access /dev/fuse should not run as platform_app
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neverallow platform_app fuse_device:chr_file *;
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