platform_system_sepolicy/public/toolbox.te
Paul Crowley 2367ba358f Allow toolbox to rm -rf /data/per_boot
Bug: 140882488
Test: create files and dirs in /data/per_boot, check they're removed.
Change-Id: Idf0ba09cbe51cbff6a7b2a464c4651a1f7fcf343
2019-09-16 10:18:57 -07:00

29 lines
1.2 KiB
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# Any toolbox command run by init.
# At present, the only known usage is for running mkswap via fs_mgr.
# Do NOT use this domain for toolbox when run by any other domain.
type toolbox, domain;
type toolbox_exec, system_file_type, exec_type, file_type;
# /dev/__null__ created by init prior to policy load,
# open fd inherited by fsck.
allow toolbox tmpfs:chr_file { read write ioctl };
# Inherit and use pty created by android_fork_execvp_ext().
allow toolbox devpts:chr_file { read write getattr ioctl };
# mkswap-specific.
# Read/write block devices used for swap partitions.
# Assign swap_block_device type any such partition in your
# device/<vendor>/<product>/sepolicy/file_contexts file.
allow toolbox block_device:dir search;
allow toolbox swap_block_device:blk_file rw_file_perms;
# Only allow entry from init via the toolbox binary.
neverallow { domain -init } toolbox:process transition;
neverallow * toolbox:process dyntransition;
neverallow toolbox { file_type fs_type -toolbox_exec}:file entrypoint;
# rm -rf directories in /data
allow toolbox system_data_root_file:dir { remove_name write };
allow toolbox system_data_file:dir { rmdir rw_dir_perms };
allow toolbox system_data_file:file { getattr unlink };