107 lines
3.1 KiB
Text
107 lines
3.1 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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# Trusted apps.
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#
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type trusted_app, domain;
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app_domain(trusted_app)
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# Access the network.
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net_domain(trusted_app)
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# Access bluetooth.
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bluetooth_domain(trusted_app)
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# Read logs.
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allow trusted_app log_device:chr_file read;
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# Access /dev/mtp_usb.
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# XXX Split android.process.media into a separate domain?
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allow trusted_app mtp_device:chr_file rw_file_perms;
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# Write to /cache.
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allow trusted_app cache_file:dir rw_dir_perms;
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allow trusted_app cache_file:file create_file_perms;
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# Read from /data/local.
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allow trusted_app shell_data_file:dir search;
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allow trusted_app shell_data_file:file { open getattr read };
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allow trusted_app shell_data_file:lnk_file read;
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# Access the sdcard.
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allow trusted_app sdcard:dir create_dir_perms;
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allow trusted_app sdcard:file create_file_perms;
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# Populate /data/app/vmdl*.tmp file created by system server.
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# It would be better if this was labeled differently.
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allow trusted_app apk_data_file:file write;
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#
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# An example of a specific domain for a specific app
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# A domain for com.android.browser.
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type browser_app, domain;
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app_domain(browser_app)
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# Access the network.
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net_domain(browser_app)
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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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# Boolean-controlled options for untrusted apps.
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# Network access.
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bool app_network true;
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if (app_network) {
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# Cannot use net_domain within a conditional - type attribute.
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allow untrusted_app self:{ tcp_socket udp_socket } *;
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allow untrusted_app port_type:tcp_socket name_connect;
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allow untrusted_app node_type:{ tcp_socket udp_socket } node_bind;
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allow untrusted_app port_type:udp_socket name_bind;
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allow untrusted_app port_type:tcp_socket name_bind;
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unix_socket_connect(untrusted_app, dnsproxyd, netd)
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}
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# Bluetooth access.
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bool app_bluetooth false;
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if (app_bluetooth) {
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# No specific SELinux class for bluetooth sockets presently.
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allow untrusted_app self:socket *;
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}
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# SDCard rw access.
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bool app_sdcard_rw true;
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if (app_sdcard_rw) {
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allow untrusted_app sdcard:dir create_dir_perms;
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allow untrusted_app sdcard:file create_file_perms;
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}
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# Native app support.
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bool app_ndk false;
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if (app_ndk) {
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allow untrusted_app app_data_file:file execute;
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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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# 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 to system processes.
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allow appdomain system:fifo_file rw_file_perms;
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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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# 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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# 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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binder_transfer(appdomain, binderservicedomain)
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# Perform binder IPC to other apps.
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binder_call(appdomain, appdomain)
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binder_transfer(appdomain, appdomain)
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