0653374e71
Introduce the convert_storage_key_to_ephemeral permission to the keystore2_key access vector and give vold permission to use it. This permission must be checked when a caller wants to get a per-boot ephemeral key from a long lived wrapped storage key. Bug: 181806377 Bug: 181910578 Change-Id: I542c084a8fab5153bc98212af64234e62e9ad032
56 lines
1.6 KiB
Text
56 lines
1.6 KiB
Text
typeattribute vold coredomain;
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init_daemon_domain(vold)
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# Switch to more restrictive domains when executing common tools
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domain_auto_trans(vold, sgdisk_exec, sgdisk);
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domain_auto_trans(vold, sdcardd_exec, sdcardd);
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# For a handful of probing tools, we choose an even more restrictive
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# domain when working with untrusted block devices
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domain_trans(vold, blkid_exec, blkid);
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domain_trans(vold, blkid_exec, blkid_untrusted);
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domain_trans(vold, fsck_exec, fsck);
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domain_trans(vold, fsck_exec, fsck_untrusted);
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# Newly created storage dirs are always treated as mount stubs to prevent us
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# from accidentally writing when the mount point isn't present.
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type_transition vold storage_file:dir storage_stub_file;
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type_transition vold mnt_media_rw_file:dir mnt_media_rw_stub_file;
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# Property Service
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get_prop(vold, vold_config_prop)
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get_prop(vold, storage_config_prop);
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get_prop(vold, incremental_prop);
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set_prop(vold, vold_prop)
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set_prop(vold, vold_status_prop)
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set_prop(vold, powerctl_prop)
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set_prop(vold, ctl_fuse_prop)
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set_prop(vold, restorecon_prop)
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set_prop(vold, ota_prop)
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set_prop(vold, boottime_prop)
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set_prop(vold, boottime_public_prop)
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# Vold will use Keystore instead of using Keymint directly. But it still needs
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# to manage its Keymint blobs. This is why it needs the `manage_blob` permission.
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allow vold vold_key:keystore2_key {
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convert_storage_key_to_ephemeral
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delete
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get_info
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manage_blob
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rebind
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req_forced_op
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update
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use
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};
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neverallow {
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domain
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-system_server
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-vdc
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-vold
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-update_verifier
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-apexd
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-gsid
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} vold_service:service_manager find;
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