Allow getsockopt and setsockopt for Encap Sockets

Because applications should be able to set the receive
timeout on UDP encapsulation sockets, we need to allow
setsockopt(). getsockopt() is an obvious allowance as
well.

Bug: 68689438
Test: compilation
Merged-In: I2eaf72bcce5695f1aee7a95ec03111eca577651c
Change-Id: I2eaf72bcce5695f1aee7a95ec03111eca577651c

private/app.te

@@ -3,5 +3,5 @@
 allow appdomain zygote_tmpfs:file read;
 
 neverallow appdomain system_server:udp_socket {
-        accept append bind create getopt ioctl listen lock name_bind
-        relabelfrom relabelto setattr setopt shutdown };
+        accept append bind create ioctl listen lock name_bind
+        relabelfrom relabelto setattr shutdown };

private/ephemeral_app.te

@@ -43,7 +43,8 @@ unix_socket_connect(ephemeral_app, traced_producer, traced)
 
 # allow ephemeral apps to use UDP sockets provided by the system server but not
 # modify them other than to connect
-allow ephemeral_app system_server:udp_socket { connect getattr read recvfrom sendto write };
+allow ephemeral_app system_server:udp_socket {
+        connect getattr read recvfrom sendto write getopt setopt };
 
 ###
 ### neverallow rules

private/platform_app.te

@@ -71,7 +71,8 @@ read_runtime_log_tags(platform_app)
 
 # allow platform apps to use UDP sockets provided by the system server but not
 # modify them other than to connect
-allow platform_app system_server:udp_socket { connect getattr read recvfrom sendto write };
+allow platform_app system_server:udp_socket {
+        connect getattr read recvfrom sendto write getopt setopt };
 
 ###
 ### Neverallow rules

private/priv_app.te

@@ -150,7 +150,8 @@ dontaudit priv_app net_dns_prop:file read;
 
 # allow privileged apps to use UDP sockets provided by the system server but not
 # modify them other than to connect
-allow priv_app system_server:udp_socket { connect getattr read recvfrom sendto write };
+allow priv_app system_server:udp_socket {
+        connect getattr read recvfrom sendto write getopt setopt };
 
 ###
 ### neverallow rules

private/system_app.te

@@ -116,7 +116,8 @@ get_prop(system_app, device_logging_prop)
 
 # allow system apps to use UDP sockets provided by the system server but not
 # modify them other than to connect
-allow system_app system_server:udp_socket { connect getattr read recvfrom sendto write };
+allow system_app system_server:udp_socket {
+        connect getattr read recvfrom sendto write getopt setopt };
 
 ###
 ### Neverallow rules

private/untrusted_app_all.te

@@ -123,7 +123,8 @@ unix_socket_connect(untrusted_app_all, traced_producer, traced)
 
 # allow untrusted apps to use UDP sockets provided by the system server but not
 # modify them other than to connect
-allow untrusted_app_all system_server:udp_socket { connect getattr read recvfrom sendto write };
+allow untrusted_app_all system_server:udp_socket {
+        connect getattr read recvfrom sendto write getopt setopt };
 
 # This is allowed for targetSdkVersion <= 25 but disallowed on newer versions.
 dontaudit untrusted_app_all net_dns_prop:file read;