diff --git a/shell.te b/shell.te index 0ce2cc41fc100710f6527562fdad2be39591c85a..e7ea149df7781f0b2b14c903b59e4262ea14d8bd 100644 --- a/shell.te +++ b/shell.te @@ -75,3 +75,11 @@ allow shell domain:process getattr; # and read other files created by init process under /data/bootchart allow shell bootchart_data_file:dir rw_dir_perms; allow shell bootchart_data_file:file create_file_perms; + +# Do not allow shell to hard link to any files. +# In particular, if shell hard links to app data +# files, installd will not be able to guarantee the deletion +# of the linked to file. Hard links also contribute to security +# bugs, so we want to ensure the shell user never has this +# capability. +neverallow shell file_type:file link;