1 files changed, 44 insertions, 0 deletions
diff --git a/prebuilts/api/32.0/private/netutils_wrapper.te b/prebuilts/api/32.0/private/netutils_wrapper.te
new file mode 100644
index 000000000..ca3b51585
--- /dev/null
+++ b/prebuilts/api/32.0/private/netutils_wrapper.te
@@ -0,0 +1,44 @@
+typeattribute netutils_wrapper coredomain;
+
+r_dir_file(netutils_wrapper, system_file);
+
+# For netutils (ip, iptables, tc)
+allow netutils_wrapper self:global_capability_class_set net_raw;
+
+allow netutils_wrapper system_file:file { execute execute_no_trans };
+allow netutils_wrapper proc_net_type:file { open read getattr };
+allow netutils_wrapper self:rawip_socket create_socket_perms;
+allow netutils_wrapper self:udp_socket create_socket_perms;
+allow netutils_wrapper self:global_capability_class_set net_admin;
+# ip utils need everything but ioctl
+allow netutils_wrapper self:netlink_route_socket ~ioctl;
+allow netutils_wrapper self:netlink_xfrm_socket ~ioctl;
+
+# For netutils (ndc) to be able to talk to netd
+allow netutils_wrapper netd_service:service_manager find;
+allow netutils_wrapper dnsresolver_service:service_manager find;
+binder_use(netutils_wrapper);
+binder_call(netutils_wrapper, netd);
+
+# For vendor code that update the iptables rules at runtime. They need to reload
+# the whole chain including the xt_bpf rules. They need to access to the pinned
+# program when reloading the rule.
+allow netutils_wrapper fs_bpf:dir search;
+allow netutils_wrapper fs_bpf:file { read write };
+allow netutils_wrapper bpfloader:bpf prog_run;
+
+# For /data/misc/net access to ndc and ip
+r_dir_file(netutils_wrapper, net_data_file)
+
+domain_auto_trans({
+    domain
+    -coredomain
+    -appdomain
+}, netutils_wrapper_exec, netutils_wrapper)
+
+# suppress spurious denials
+dontaudit netutils_wrapper self:global_capability_class_set sys_resource;
+dontaudit netutils_wrapper sysfs_type:file read;
+
+# netutils wrapper may only use the following capabilities.
+neverallow netutils_wrapper self:global_capability_class_set ~{ net_admin net_raw };