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      1 type runas, domain, mlstrustedsubject;
      2 type runas_exec, exec_type, file_type;
      3 
      4 allow runas adbd:fd use;
      5 allow runas adbd:process sigchld;
      6 allow runas adbd:unix_stream_socket { read write };
      7 allow runas shell:fd use;
      8 allow runas shell:fifo_file { read write };
      9 allow runas shell:unix_stream_socket { read write };
     10 allow runas devpts:chr_file { read write ioctl };
     11 allow runas shell_data_file:file { read write };
     12 
     13 # run-as reads package information.
     14 allow runas system_data_file:file r_file_perms;
     15 
     16 # run-as checks and changes to the app data dir.
     17 dontaudit runas self:capability dac_override;
     18 allow runas app_data_file:dir { getattr search };
     19 
     20 # run-as switches to the app UID/GID.
     21 allow runas self:capability { setuid setgid };
     22 
     23 # run-as switches to the app security context.
     24 selinux_check_context(runas) # validate context
     25 allow runas self:process setcurrent;
     26 allow runas non_system_app_set:process dyntransition; # setcon
     27 
     28 # runas/libselinux needs access to seapp_contexts_file to
     29 # determine which domain to transition to.
     30 allow runas seapp_contexts_file:file r_file_perms;
     31 
     32 ###
     33 ### neverallow rules
     34 ###
     35 
     36 # run-as cannot have capabilities other than CAP_SETUID and CAP_SETGID
     37 neverallow runas self:capability ~{ setuid setgid };
     38 neverallow runas self:capability2 *;
     39