platform_system_sepolicy/public/update_verifier.te
Tianjie Xu d499e9145a Allow update_verifier to write to kmsg
Denial message:
avc: denied { write } for pid=640 comm="update_verifier" name="kmsg"
dev="tmpfs" ino=13951 scontext=u:r:update_verifier:s0
tcontext=u:object_r:kmsg_device:s0 tclass=chr_file permissive=0

Bug: 64713327
Test: update_verifier logs successfully during boot time.
Change-Id: I421b1e6660239e5ffc624e504f5945d400510407
2017-08-16 13:09:56 -07:00

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712 B
Text

# update_verifier
type update_verifier, domain;
type update_verifier_exec, exec_type, file_type;
# Allow update_verifier to reach block devices in /dev/block.
allow update_verifier block_device:dir search;
# Read care map in /data/ota_package/.
allow update_verifier ota_package_file:dir r_dir_perms;
allow update_verifier ota_package_file:file r_file_perms;
# Read all blocks in dm wrapped system partition.
allow update_verifier dm_device:blk_file r_file_perms;
# Write to kernel message.
allow update_verifier kmsg_device:chr_file w_file_perms;
# Allow update_verifier to reboot the device.
set_prop(update_verifier, powerctl_prop)
# Use Boot Control HAL
hal_client_domain(update_verifier, hal_bootctl)