Add microdroid specific sepolicy
Microdroid will have a separate sepolicy, apart from the core policy.
This is the first step; For now it's a simple copy of system/sepolicy.
For the future work, it will be stripped.
Bug: 189165759
Test: boot microdroid and see selinux enforced
Change-Id: I2fee39f7231560b49c93bd5e8d0feeffada40938
diff --git a/microdroid/sepolicy/system/private/recovery.te b/microdroid/sepolicy/system/private/recovery.te
new file mode 100644
index 0000000..00d7132
--- /dev/null
+++ b/microdroid/sepolicy/system/private/recovery.te
@@ -0,0 +1,46 @@
+typeattribute recovery coredomain;
+
+# The allow rules are only included in the recovery policy.
+# Otherwise recovery is only allowed the domain rules.
+recovery_only(`
+ # Reboot the device
+ set_prop(recovery, powerctl_prop)
+
+ # Read serial number of the device from system properties
+ get_prop(recovery, serialno_prop)
+
+ # Set sys.usb.ffs.ready when starting minadbd for sideload.
+ get_prop(recovery, ffs_config_prop)
+ set_prop(recovery, ffs_control_prop)
+
+ # Set sys.usb.config when switching into fastboot.
+ set_prop(recovery, usb_control_prop)
+ set_prop(recovery, usb_prop)
+
+ # Read ro.boot.bootreason
+ get_prop(recovery, bootloader_boot_reason_prop)
+
+ # Read storage properties (for correctly formatting filesystems)
+ get_prop(recovery, storage_config_prop)
+
+ set_prop(recovery, gsid_prop)
+
+ # These are needed to allow recovery to manage network
+ allow recovery self:netlink_route_socket { create write read nlmsg_readpriv nlmsg_read };
+ allow recovery self:global_capability_class_set net_admin;
+ allow recovery self:tcp_socket { create ioctl };
+ allowxperm recovery self:tcp_socket ioctl { SIOCGIFFLAGS SIOCSIFFLAGS };
+
+ # Start snapuserd for merging VABC updates
+ set_prop(recovery, ctl_snapuserd_prop)
+
+ # Needed to communicate with snapuserd to complete merges.
+ allow recovery snapuserd_socket:sock_file write;
+ allow recovery snapuserd:unix_stream_socket connectto;
+ allow recovery dm_user_device:dir r_dir_perms;
+
+ # Set fastbootd protocol property
+ set_prop(recovery, fastbootd_protocol_prop)
+
+ get_prop(recovery, recovery_config_prop)
+')