blob: c8051e142f8f8e17439cc638ca7bc6f54b5107d1 [file] [log] [blame]
# HwBinder IPC from client to server
binder_call(hal_configstore_client, hal_configstore_server)
allow hal_configstore_client hal_configstore_ISurfaceFlingerConfigs:hwservice_manager find;
add_hwservice(hal_configstore_server, hal_configstore_ISurfaceFlingerConfigs)
# As opposed to the rules of most other HALs, the different services exposed by
# this HAL should be restricted to different clients. Thus, the allow rules for
# clients are defined in the .te files of the clients.
# hal_configstore runs with a strict seccomp filter. Use crash_dump's
# fallback path to collect crash data.
crash_dump_fallback(hal_configstore_server)
###
### neverallow rules
###
# Should never execute an executable without a domain transition
neverallow hal_configstore_server { file_type fs_type }:file execute_no_trans;
# Should never need network access. Disallow sockets except for
# for unix stream/dgram sockets used for logging/debugging.
neverallow hal_configstore_server domain:{
rawip_socket tcp_socket udp_socket
netlink_route_socket netlink_selinux_socket
socket netlink_socket packet_socket key_socket appletalk_socket
netlink_tcpdiag_socket netlink_nflog_socket
netlink_xfrm_socket netlink_audit_socket
netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket
netlink_iscsi_socket netlink_fib_lookup_socket netlink_connector_socket
netlink_netfilter_socket netlink_generic_socket netlink_scsitransport_socket
netlink_rdma_socket netlink_crypto_socket
} *;
neverallow hal_configstore_server {
domain
-hal_configstore_server
-logd
userdebug_or_eng(`-su')
-tombstoned
}:{ unix_dgram_socket unix_stream_socket } *;
# Should never need access to anything on /data
neverallow hal_configstore_server {
data_file_type
-anr_data_file # for crash dump collection
-tombstone_data_file # for crash dump collection
-zoneinfo_data_file # granted to domain
}:{ file fifo_file sock_file } *;
# Should never need sdcard access
neverallow hal_configstore_server {
sdcard_type
fuse sdcardfs vfat exfat # manual expansion for completeness
}:dir ~getattr;
neverallow hal_configstore_server {
sdcard_type
fuse sdcardfs vfat exfat # manual expansion for completeness
}:file *;
# Do not permit access to service_manager and vndservice_manager
neverallow hal_configstore_server *:service_manager *;
# No privileged capabilities
neverallow hal_configstore_server self:capability_class_set *;
# No ptracing other processes
neverallow hal_configstore_server *:process ptrace;
# no relabeling
neverallow hal_configstore_server *:dir_file_class_set { relabelfrom relabelto };