d61618bcb6
Bug: 297313212 Test: add /vendor/etc/avf/assignable_devices.xml and run vm info Change-Id: I602be057b118ac68a59e6c4f5f7fce17685cd7ae
92 lines
3.8 KiB
Text
92 lines
3.8 KiB
Text
type virtualizationservice, domain, coredomain;
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type virtualizationservice_exec, system_file_type, exec_type, file_type;
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# The domain needs to be a 'mlstrustedsubject' to change the memlock rlimit of
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# the virtualizationmanager domain running at a more constrained MLS level.
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typeattribute virtualizationservice mlstrustedsubject;
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# When init runs a file labelled with virtualizationservice_exec, run it in the
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# virtualizationservice domain.
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init_daemon_domain(virtualizationservice)
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# Let the virtualizationservice domain use Binder.
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binder_use(virtualizationservice)
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# Let the virtualizationservice domain register the virtualization_service with ServiceManager.
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add_service(virtualizationservice, virtualization_service)
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# Let virtualizationservice find and communicate with vfio_handler.
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allow virtualizationservice vfio_handler_service:service_manager find;
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binder_call(virtualizationservice, vfio_handler)
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# Allow calling into the system server to find "permission_service".
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binder_call(virtualizationservice, system_server)
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allow virtualizationservice permission_service:service_manager find;
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# Let virtualizationservice remove memlock rlimit of virtualizationmanager. This is necessary
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# to mlock VM memory and page tables.
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allow virtualizationservice self:capability sys_resource;
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allow virtualizationservice virtualizationmanager:process setrlimit;
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# Let virtualizationservice set the owner of a VM's temporary directory.
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allow virtualizationservice self:capability chown;
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# Let virtualizationservice create and delete temporary directories of VMs. To remove old
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# directories, it needs the permission to unlink the files created by virtualizationmanager.
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allow virtualizationservice virtualizationservice_data_file:dir create_dir_perms;
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allow virtualizationservice virtualizationservice_data_file:{ file sock_file } unlink;
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allow virtualizationservice virtualizationservice_data_file:file write;
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# Allow to use fd (e.g. /dev/pts/0) inherited from adbd so that we can redirect output from
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# crosvm to the console
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allow virtualizationservice adbd:fd use;
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allow virtualizationservice adbd:unix_stream_socket { read write };
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# Let virtualizationservice to accept vsock connection from the guest VMs to singleton services
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# such as the guest tombstone server.
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allow virtualizationservice self:vsock_socket { create_socket_perms_no_ioctl listen accept };
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# Allow virtualizationservice to read/write its own sysprop. Only the process can do so.
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set_prop(virtualizationservice, virtualizationservice_prop)
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# Allow writing stats to statsd
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unix_socket_send(virtualizationservice, statsdw, statsd)
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# Allow virtualization service to talk to tombstoned to push guest tombstones
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unix_socket_connect(virtualizationservice, tombstoned_crash, tombstoned)
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# Append to tombstone files passed as fds from tombstoned
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allow virtualizationservice tombstone_data_file:file { append getattr };
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allow virtualizationservice tombstoned:fd use;
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# Allow virtualizationservice to check if VFIO is supported
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allow virtualizationservice vfio_device:chr_file getattr;
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allow virtualizationservice vfio_device:dir r_dir_perms;
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# Allow virtualizationservice to access VM DTBO via a file created by virtualizationmanager.
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allow virtualizationservice virtualizationmanager:fd use;
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# Allow virtualizationservice to access vendor_configs_file to get the list of assignable devices.
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r_dir_file(virtualizationservice, vendor_configs_file)
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neverallow {
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domain
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-init
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-virtualizationservice
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} virtualizationservice_prop:property_service set;
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neverallow {
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domain
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-init
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-virtualizationmanager
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-virtualizationservice
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} virtualizationservice_data_file:file { open create };
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neverallow virtualizationservice {
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domain
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-virtualizationmanager
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-virtualizationservice
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}:process setrlimit;
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# Only virtualizationservice can communicate to vfio_handler
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neverallow { domain -virtualizationservice -servicemanager } vfio_handler:binder call;
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