Setting up sepolicies for statsd planB of listening to its own socket

Test: manual
Bug: 78318738

Change-Id: Ifa1cbbfdbb5acb713dfeb1d4bf98d1e116e5a89b

private/compat/26.0/26.0.ignore.cil

@@ -88,6 +88,8 @@
     statsd
     statsd_exec
     statsd_tmpfs
+    statsdw
+    statsdw_socket
     statscompanion_service
     storaged_data_file
     sysfs_fs_ext4_features

private/compat/27.0/27.0.ignore.cil

@@ -76,6 +76,8 @@
     statsd
     statsd_exec
     statsd_tmpfs
+    statsdw
+    statsdw_socket
     storaged_data_file
     system_boot_reason_prop
     system_update_service

private/file.te

@@ -4,6 +4,8 @@ type config_gz, fs_type, proc_type;
 # /data/misc/stats-data, /data/misc/stats-service
 type stats_data_file, file_type, data_file_type, core_data_file_type;
 
+type statsdw_socket, file_type, coredomain_socket, mlstrustedobject;
+
 # /data/misc/storaged
 type storaged_data_file, file_type, data_file_type, core_data_file_type;
 

private/file_contexts

@@ -132,6 +132,7 @@
 /dev/socket/logd	u:object_r:logd_socket:s0
 /dev/socket/logdr	u:object_r:logdr_socket:s0
 /dev/socket/logdw	u:object_r:logdw_socket:s0
+/dev/socket/statsdw	u:object_r:statsdw_socket:s0
 /dev/socket/mdns	u:object_r:mdns_socket:s0
 /dev/socket/mdnsd	u:object_r:mdnsd_socket:s0
 /dev/socket/mtpd	u:object_r:mtpd_socket:s0

private/statsd.te

-type statsd, domain;
+type statsd, domain, mlstrustedsubject;
 typeattribute statsd coredomain;
 
 init_daemon_domain(statsd)
@@ -82,6 +82,12 @@ allow statsd adbd:fd use;
 allow statsd adbd:unix_stream_socket { getattr read write };
 allow statsd shell:fifo_file { getattr read };
 
+unix_socket_send(bluetooth, statsdw, statsd)
+unix_socket_send(bootstat, statsdw, statsd)
+unix_socket_send(platform_app, statsdw, statsd)
+unix_socket_send(statsd, statsdw, statsd)
+unix_socket_send(system_server, statsdw, statsd)
+
 ###
 ### neverallow rules
 ###