platform_system_sepolicy/private/storaged.te
Hridya Valsaraju e95e0ec0a5 Revert "Add neverallows for debugfs access"
Revert submission 1668411

Reason for revert: Suspect for b/186173384
Reverted Changes:
Iaa4fce9f0:Check that tracefs files are labelled as tracefs_t...
I743a81489:Exclude vendor_modprobe from debugfs neverallow re...
I63a22402c:Add neverallows for debugfs access
I289f2d256:Add a neverallow for debugfs mounting

Change-Id: I9b7d43ac7e2ead2d175b265e97c749570c95e075
2021-04-23 16:38:20 +00:00

67 lines
2 KiB
Text

# storaged daemon
type storaged, domain, coredomain, mlstrustedsubject;
type storaged_exec, system_file_type, exec_type, file_type;
init_daemon_domain(storaged)
# Read access to pseudo filesystems
r_dir_file(storaged, domain)
# Read /proc/uid_io/stats
allow storaged proc_uid_io_stats:file r_file_perms;
# Read /data/system/packages.list
allow storaged system_data_file:file r_file_perms;
allow storaged packages_list_file:file r_file_perms;
# Store storaged proto file
allow storaged storaged_data_file:dir rw_dir_perms;
allow storaged storaged_data_file:file create_file_perms;
userdebug_or_eng(`
# Read access to debugfs
allow storaged debugfs_mmc:dir search;
allow storaged debugfs_mmc:file r_file_perms;
')
# Needed to provide debug dump output via dumpsys pipes.
allow storaged shell:fd use;
allow storaged shell:fifo_file write;
# Needed for GMScore to call dumpsys storaged
allow storaged priv_app:fd use;
# b/142672293: No other priv-app should need this allow rule now that GMS core runs in its own domain.
# Remove after no logs are seen for this rule.
userdebug_or_eng(`
auditallow storaged priv_app:fd use;
')
allow storaged gmscore_app:fd use;
allow storaged { privapp_data_file app_data_file }:file write;
allow storaged permission_service:service_manager find;
# Binder permissions
add_service(storaged, storaged_service)
binder_use(storaged)
binder_call(storaged, system_server)
hal_client_domain(storaged, hal_health)
# Implements a dumpsys interface.
allow storaged dumpstate:fd use;
# use a subset of the package manager service
allow storaged package_native_service:service_manager find;
# Kernel does extra check on CAP_DAC_OVERRIDE for libbinder when storaged is
# running as root. See b/35323867 #3.
dontaudit storaged self:global_capability_class_set { dac_override dac_read_search };
# For collecting bugreports.
allow storaged dumpstate:fifo_file write;
###
### neverallow
###
neverallow storaged domain:process ptrace;
neverallow storaged self:capability_class_set *;