bpfdomain: attribute for domain which can use BPF
Require all domains which can be used for BPF to be marked as
bpfdomain, and add a restriction for these domains to not
be able to use net_raw or net_admin. We want to make sure the
network stack has exclusive access to certain BPF attach
points.
Bug: 140330870
Bug: 162057235
Test: build (compile-time neverallows)
Change-Id: I29100e48a757fdcf600931d5eb42988101275325
diff --git a/private/network_stack.te b/private/network_stack.te
index 2546888..b105938 100644
--- a/private/network_stack.te
+++ b/private/network_stack.te
@@ -1,5 +1,7 @@
# Networking service app
-typeattribute network_stack coredomain, mlstrustedsubject;
+typeattribute network_stack coredomain;
+typeattribute network_stack mlstrustedsubject;
+typeattribute network_stack bpfdomain;
app_domain(network_stack);
net_domain(network_stack);