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      1 # dex2oat
      2 type dex2oat, domain;
      3 type dex2oat_exec, exec_type, file_type;
      4 
      5 r_dir_file(dex2oat, apk_data_file)
      6 # Access to /vendor/app
      7 r_dir_file(dex2oat, vendor_app_file)
      8 # Access /vendor/framework
      9 allow dex2oat vendor_framework_file:dir { getattr search };
     10 allow dex2oat vendor_framework_file:file { getattr open read };
     11 
     12 allow dex2oat tmpfs:file { read getattr };
     13 
     14 r_dir_file(dex2oat, dalvikcache_data_file)
     15 allow dex2oat dalvikcache_data_file:file write;
     16 # Read symlinks in /data/dalvik-cache. This is required for PIC mode boot images, where
     17 # the oat file is symlinked to the original file in /system.
     18 allow dex2oat dalvikcache_data_file:lnk_file read;
     19 allow dex2oat installd:fd use;
     20 
     21 # Acquire advisory lock on /system/framework/arm/*
     22 allow dex2oat system_file:file lock;
     23 
     24 # Read already open asec_apk_file file descriptors passed by installd.
     25 # Also allow reading unlabeled files, to allow for upgrading forward
     26 # locked APKs.
     27 allow dex2oat asec_apk_file:file read;
     28 allow dex2oat unlabeled:file read;
     29 allow dex2oat oemfs:file read;
     30 allow dex2oat apk_tmp_file:dir search;
     31 allow dex2oat apk_tmp_file:file r_file_perms;
     32 allow dex2oat user_profile_data_file:file { getattr read lock };
     33 
     34 # Allow dex2oat to compile app's secondary dex files which were reported back to
     35 # the framework.
     36 allow dex2oat app_data_file:file { getattr read write lock };
     37 
     38 ##################
     39 # A/B OTA Dexopt #
     40 ##################
     41 
     42 # Allow dex2oat to use file descriptors from otapreopt.
     43 allow dex2oat postinstall_dexopt:fd use;
     44 
     45 allow dex2oat postinstall_file:dir { getattr search };
     46 allow dex2oat postinstall_file:filesystem getattr;
     47 allow dex2oat postinstall_file:lnk_file { getattr read };
     48 
     49 # Allow dex2oat access to files in /data/ota.
     50 allow dex2oat ota_data_file:dir ra_dir_perms;
     51 allow dex2oat ota_data_file:file r_file_perms;
     52 
     53 # Create and read symlinks in /data/ota/dalvik-cache. This is required for PIC mode boot images,
     54 # where the oat file is symlinked to the original file in /system.
     55 allow dex2oat ota_data_file:lnk_file { create read };
     56 
     57 # It would be nice to tie this down, but currently, because of how images are written, we can't
     58 # pass file descriptors for the preopted boot image to dex2oat. So dex2oat needs to be able to
     59 # create them itself (and make them world-readable).
     60 allow dex2oat ota_data_file:file { create w_file_perms setattr };
     61 
     62 ##############
     63 # Neverallow #
     64 ##############
     65 
     66 neverallow dex2oat app_data_file:notdevfile_class_set open;
     67