platform_system_sepolicy/private/bpfdomain.te
Steven Moreland 6598175e06 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
2022-02-10 00:34:50 +00:00

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# platform should have ownership of network attachpoints for BPF
neverallow {
bpfdomain
-bpfloader
-netd
-netutils_wrapper
-network_stack
-system_server
} self:global_capability_class_set { net_admin net_raw };
# any domain which uses bpf is a bpfdomain
neverallow { domain -bpfdomain } *:bpf *;