You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.9 KiB
98 lines
2.9 KiB
4 months ago
|
# volume manager
|
||
|
|
type iorapd, domain;
|
||
|
|
type iorapd_exec, exec_type, file_type, system_file_type;
|
||
|
|
type iorapd_tmpfs, file_type;
|
||
|
|
|
||
|
|
r_dir_file(iorapd, rootfs)
|
||
|
|
|
||
|
|
# Allow read/write /proc/sys/vm/drop/caches
|
||
|
|
allow iorapd proc_drop_caches:file rw_file_perms;
|
||
|
|
|
||
|
|
# Give iorapd a place where only iorapd can store files; everyone else is off limits
|
||
|
|
allow iorapd iorapd_data_file:dir create_dir_perms;
|
||
|
|
allow iorapd iorapd_data_file:file create_file_perms;
|
||
|
|
|
||
|
|
# Allow iorapd to publish a binder service and make binder calls.
|
||
|
|
binder_use(iorapd)
|
||
|
|
add_service(iorapd, iorapd_service)
|
||
|
|
|
||
|
|
# Allow iorapd to call into the system server so it can check permissions.
|
||
|
|
binder_call(iorapd, system_server)
|
||
|
|
allow iorapd permission_service:service_manager find;
|
||
|
|
# IUserManager
|
||
|
|
allow iorapd user_service:service_manager find;
|
||
|
|
# IPackageManagerNative
|
||
|
|
allow iorapd package_native_service:service_manager find;
|
||
|
|
# Allow dumpstate (bugreport) to call into iorapd.
|
||
|
|
allow iorapd dumpstate:fd use;
|
||
|
|
allow iorapd dumpstate:fifo_file write;
|
||
|
|
|
||
|
|
# talk to batteryservice
|
||
|
|
binder_call(iorapd, healthd)
|
||
|
|
|
||
|
|
# TODO: does each of the service_manager allow finds above need the binder_call?
|
||
|
|
|
||
|
|
# iorapd temporarily changes its priority when running benchmarks
|
||
|
|
allow iorapd self:global_capability_class_set sys_nice;
|
||
|
|
|
||
|
|
# Allow to access Perfetto traced's privileged consumer socket to start/stop
|
||
|
|
# tracing sessions and read trace data.
|
||
|
|
unix_socket_connect(iorapd, traced_consumer, traced)
|
||
|
|
|
||
|
|
# Allow iorapd to execute compilation (iorap.cmd.compiler) in idle time.
|
||
|
|
allow iorapd system_file:file rx_file_perms;
|
||
|
|
|
||
|
|
# Allow iorapd to send signull to iorap_inode2filename and iorap_prefetcherd.
|
||
|
|
allow iorapd iorap_inode2filename:process signull;
|
||
|
|
allow iorapd iorap_prefetcherd:process signull;
|
||
|
|
|
||
|
|
# Allowing system_server to check for the existence and size of files under iorapd
|
||
|
|
# dir without collecting any sensitive app data.
|
||
|
|
# This is used to predict if iorapd is doing prefetching or not.
|
||
|
|
allow system_server iorapd_data_file:dir { getattr open read search };
|
||
|
|
allow system_server iorapd_data_file:file getattr;
|
||
|
|
|
||
|
|
###
|
||
|
|
### neverallow rules
|
||
|
|
###
|
||
|
|
|
||
|
|
neverallow {
|
||
|
|
domain
|
||
|
|
-iorapd
|
||
|
|
} iorapd_data_file:dir ~{ open create read getattr setattr search relabelto ioctl };
|
||
|
|
|
||
|
|
neverallow {
|
||
|
|
domain
|
||
|
|
-init
|
||
|
|
-iorapd
|
||
|
|
-system_server
|
||
|
|
} iorapd_data_file:dir *;
|
||
|
|
|
||
|
|
neverallow {
|
||
|
|
domain
|
||
|
|
-kernel
|
||
|
|
-iorapd
|
||
|
|
} iorapd_data_file:notdevfile_class_set ~{ relabelto getattr };
|
||
|
|
|
||
|
|
neverallow {
|
||
|
|
domain
|
||
|
|
-init
|
||
|
|
-kernel
|
||
|
|
-vendor_init
|
||
|
|
-iorapd
|
||
|
|
-system_server
|
||
|
|
} { iorapd_data_file }:notdevfile_class_set *;
|
||
|
|
|
||
|
|
# Only system_server and shell (for dumpsys) can interact with iorapd over binder
|
||
|
|
neverallow { domain -dumpstate -system_server -iorapd } iorapd_service:service_manager find;
|
||
|
|
neverallow iorapd {
|
||
|
|
domain
|
||
|
|
-healthd
|
||
|
|
-servicemanager
|
||
|
|
-system_server
|
||
|
|
userdebug_or_eng(`-su')
|
||
|
|
}:binder call;
|
||
|
|
|
||
|
|
neverallow { domain -init } iorapd:process { transition dyntransition };
|
||
|
|
neverallow iorapd domain:{ tcp_socket udp_socket rawip_socket } *;
|