android_system_sepolicy/public/asan_extract.te
Andreas Gampe 82071b6859 Sepolicy: Add ASAN-Extract
Add selinux policies for init script and shell script to unzip a tar
containing ASAN libraries on boot.

Bug: 36458146
Test: m && m SANITIZE_TARGET=address
Test: manual (build steps for tar missing)
Change-Id: I5c3cb233aae93ee9985431090af902b0e3c1b0a7
(cherry picked from commit 0b74305011)
Merged-In: I5c3cb233aae93ee9985431090af902b0e3c1b0a7
2017-04-05 13:09:29 -07:00

37 lines
1.4 KiB
Plaintext

# asan_extract
#
# This command set moves the artifact corresponding to the current slot
# from /data/ota to /data/dalvik-cache.
with_asan(`
type asan_extract, domain, coredomain;
type asan_extract_exec, exec_type, file_type;
# Allow asan_extract to execute itself using #!/system/bin/sh
allow asan_extract shell_exec:file rx_file_perms;
# We execute log, rm, gzip and tar.
allow asan_extract toolbox_exec:file rx_file_perms;
allow asan_extract system_file:file execute_no_trans;
# asan_extract deletes old /data/lib.
allow asan_extract system_file:dir { open read remove_name rmdir write };
allow asan_extract system_file:file unlink;
# asan_extract untars ASAN libraries into /data.
allow asan_extract system_data_file:dir create_dir_perms ;
allow asan_extract system_data_file:{ file lnk_file } create_file_perms ;
# Relabel the libraries with restorecon.
allow asan_extract file_contexts_file:file r_file_perms;
allow asan_extract system_data_file:{ dir file } relabelfrom;
allow asan_extract system_file:dir { relabelto setattr };
allow asan_extract system_file:file relabelto;
# Restorecon will actually already try to run with sanitized libraries (libpackagelistparser).
allow asan_extract system_data_file:file execute;
# We use asan.restore_reboot to signal a reboot is required.
set_prop(asan_extract, asan_reboot_prop)
')