197 lines
No EOL
6.5 KiB
Text
197 lines
No EOL
6.5 KiB
Text
#
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# Domains for apps that do not run with one of the predefined
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# platform UIDs (system, radio, nfc, ...).
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#
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#
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# Apps signed with the platform key.
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#
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type platform_app, domain;
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app_domain(platform_app)
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platform_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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# Write to /cache.
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allow platform_app cache_file:dir rw_dir_perms;
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allow platform_app cache_file:file create_file_perms;
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# Read from /data/local.
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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 shell_data_file:lnk_file 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 }: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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allow platform_app download_file:file rw_file_perms;
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# Apps signed with the media key.
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type media_app, domain;
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app_domain(media_app)
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platform_app_domain(media_app)
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# Access the network.
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net_domain(media_app)
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# Access /dev/mtp_usb.
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allow media_app mtp_device:chr_file rw_file_perms;
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# Write to /cache.
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allow media_app cache_file:dir rw_dir_perms;
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allow media_app cache_file:file create_file_perms;
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# Stat /cache/lost+found
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allow media_app unlabeled:file getattr;
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allow media_app unlabeled:dir getattr;
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# Stat /cache/backup
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allow media_app cache_backup_file:file getattr;
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allow media_app cache_backup_file:dir getattr;
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# Read files in the rootdir
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allow media_app rootfs:file r_file_perms;
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# Allow platform apps to mark platform app data files as download files
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allow media_app platform_app_data_file:dir relabelfrom;
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allow media_app download_file:dir relabelto;
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# Apps signed with the shared key.
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type shared_app, domain;
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app_domain(shared_app)
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platform_app_domain(shared_app)
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# Access the network.
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net_domain(shared_app)
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# Access bluetooth.
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bluetooth_domain(shared_app)
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# ASEC
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r_dir_file(shared_app, asec_apk_file)
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# Apps signed with the release key (testkey in AOSP).
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type release_app, domain;
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app_domain(release_app)
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platform_app_domain(release_app)
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# Access the network.
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net_domain(release_app)
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# Access bluetooth.
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bluetooth_domain(release_app)
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# Services with isolatedProcess=true in their manifest.
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# In order for isolated_apps to interact with apps that have levelFromUid=true
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# set it must be an mlstrustedsubject.
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type isolated_app, domain, mlstrustedsubject;
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app_domain(isolated_app)
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#
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# Rules for platform app domains.
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#
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# App sandbox file accesses.
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allow platformappdomain platform_app_data_file:dir create_dir_perms;
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allow platformappdomain platform_app_data_file:notdevfile_class_set create_file_perms;
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# App sdcard file accesses
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allow platformappdomain sdcard_type:dir create_dir_perms;
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allow platformappdomain sdcard_type:file create_file_perms;
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#
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# Untrusted apps.
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#
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type untrusted_app, domain;
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app_domain(untrusted_app)
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net_domain(untrusted_app)
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bluetooth_domain(untrusted_app)
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allow untrusted_app tun_device:chr_file rw_file_perms;
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# Internal SDCard rw access.
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bool app_internal_sdcard_rw true;
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if (app_internal_sdcard_rw) {
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allow untrusted_app sdcard_internal:dir create_dir_perms;
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allow untrusted_app sdcard_internal:file create_file_perms;
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}
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# External SDCard rw access.
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bool app_external_sdcard_rw true;
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if (app_external_sdcard_rw) {
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allow untrusted_app sdcard_external:dir create_dir_perms;
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allow untrusted_app sdcard_external:file create_file_perms;
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}
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#
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# Rules for all app domains.
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#
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# Allow apps to connect to the keystore
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unix_socket_connect(appdomain, keystore, keystore)
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# Receive and use open file descriptors inherited from zygote.
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allow appdomain zygote:fd use;
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# Read system properties managed by zygote.
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allow appdomain zygote_tmpfs:file read;
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# Notify zygote of death;
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allow appdomain zygote:process sigchld;
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# Communicate over a FIFO or socket created by the system_server.
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allow appdomain system:fifo_file rw_file_perms;
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allow appdomain system:unix_stream_socket { read write setopt };
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# Communicate over a socket created by surfaceflinger.
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allow appdomain surfaceflinger:unix_stream_socket { read write setopt };
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# App sandbox file accesses.
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allow appdomain app_data_file:dir create_dir_perms;
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allow appdomain app_data_file:notdevfile_class_set create_file_perms;
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# Read/write data files created by the platform apps if they
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# were passed to the app via binder or local IPC. Do not allow open.
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allow appdomain platform_app_data_file:file { getattr read write };
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# lib subdirectory of /data/data dir is system-owned.
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allow appdomain system_data_file:dir r_dir_perms;
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allow appdomain system_data_file:file { execute open };
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# Execute the shell or other system executables.
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allow appdomain shell_exec:file rx_file_perms;
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allow appdomain system_file:file rx_file_perms;
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# Read/write wallpaper file (opened by system).
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allow appdomain wallpaper_file:file { read write };
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# Write to /data/anr/traces.txt.
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allow appdomain anr_data_file:dir search;
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allow appdomain anr_data_file:file { open append };
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# Write to /proc/net/xt_qtaguid/ctrl file.
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allow appdomain qtaguid_proc:file rw_file_perms;
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# Everybody can read the xt_qtaguid resource tracking misc dev.
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# So allow all apps to read from /dev/xt_qtaguid.
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allow appdomain qtaguid_device:chr_file r_file_perms;
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# Use the Binder.
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binder_use(appdomain)
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# Perform binder IPC to binder services.
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binder_call(appdomain, binderservicedomain)
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# Perform binder IPC to other apps.
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binder_call(appdomain, appdomain)
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# Appdomain interaction with isolated apps
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r_dir_file(appdomain, isolated_app)
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# Already connected, unnamed sockets being passed over some other IPC
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# hence no sock_file or connectto permission. This appears to be how
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# Chrome works, may need to be updated as more apps using isolated services
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# are examined.
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allow appdomain isolated_app:unix_stream_socket { read write };
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allow isolated_app appdomain:unix_stream_socket { read write };
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# Backup ability for every app. BMS opens and passes the fd
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# to any app that has backup ability. Hence, no open permissions here.
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allow { appdomain isolated_app } backup_data_file:file { read write };
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allow { appdomain isolated_app } cache_backup_file:file { read write };
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# Backup ability using 'adb backup'
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allow { appdomain isolated_app } system_data_file:lnk_file getattr;
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# Allow all applications to read downloaded files
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allow appdomain download_file:file r_file_perms;
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file_type_auto_trans(appdomain, download_file, download_file)
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# ASEC
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allow untrusted_app asec_apk_file:dir { getattr };
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allow untrusted_app asec_apk_file:file r_file_perms; |