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      1 # uncrypt
      2 type uncrypt, domain, mlstrustedsubject;
      3 type uncrypt_exec, exec_type, file_type;
      4 
      5 allow uncrypt self:global_capability_class_set dac_override;
      6 
      7 # Read OTA zip file from /data/data/com.google.android.gsf/app_download
      8 r_dir_file(uncrypt, app_data_file)
      9 
     10 userdebug_or_eng(`
     11   # For debugging, allow /data/local/tmp access
     12   r_dir_file(uncrypt, shell_data_file)
     13 ')
     14 
     15 # Read /cache/recovery/command
     16 # Read /cache/recovery/uncrypt_file
     17 allow uncrypt cache_file:dir search;
     18 allow uncrypt cache_recovery_file:dir rw_dir_perms;
     19 allow uncrypt cache_recovery_file:file create_file_perms;
     20 
     21 # Read OTA zip file at /data/ota_package/.
     22 allow uncrypt ota_package_file:dir r_dir_perms;
     23 allow uncrypt ota_package_file:file r_file_perms;
     24 
     25 # Write to /dev/socket/uncrypt
     26 unix_socket_connect(uncrypt, uncrypt, uncrypt)
     27 
     28 # Set a property to reboot the device.
     29 set_prop(uncrypt, powerctl_prop)
     30 
     31 # Raw writes to block device
     32 allow uncrypt self:global_capability_class_set sys_rawio;
     33 allow uncrypt misc_block_device:blk_file w_file_perms;
     34 allow uncrypt block_device:dir r_dir_perms;
     35 
     36 # Access userdata block device.
     37 allow uncrypt userdata_block_device:blk_file w_file_perms;
     38 
     39 r_dir_file(uncrypt, rootfs)
     40 
     41 # uncrypt reads /proc/cmdline
     42 allow uncrypt proc_cmdline:file r_file_perms;
     43 
     44 # Read files in /sys
     45 r_dir_file(uncrypt, sysfs_dt_firmware_android)
     46