The branch main has been updated by kp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=9746c1e28877ffb5fd9dc60bb6524df9fa1b6918
commit 9746c1e28877ffb5fd9dc60bb6524df9fa1b6918
Author: Kristof Provost <k...@freebsd.org>
AuthorDate: 2024-09-05 15:23:57 +0000
Commit: Kristof Provost <k...@freebsd.org>
CommitDate: 2024-09-19 20:20:15 +0000
pf tests: ensure we don't NAT to link-local addresses
Reviewed by: zlei
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D46595
---
tests/sys/netpfil/pf/nat.sh | 52 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/tests/sys/netpfil/pf/nat.sh b/tests/sys/netpfil/pf/nat.sh
index aaa49805c772..19dd39fe5848 100644
--- a/tests/sys/netpfil/pf/nat.sh
+++ b/tests/sys/netpfil/pf/nat.sh
@@ -250,9 +250,61 @@ nested_anchor_cleanup()
pft_cleanup
}
+atf_test_case "nat6_nolinklocal" "cleanup"
+nat6_nolinklocal_head()
+{
+ atf_set descr 'Ensure we do not use link-local addresses'
+ atf_set require.user root
+}
+
+nat6_nolinklocal_body()
+{
+ pft_init
+
+ epair_nat=$(vnet_mkepair)
+ epair_echo=$(vnet_mkepair)
+
+ vnet_mkjail nat ${epair_nat}b ${epair_echo}a
+ vnet_mkjail echo ${epair_echo}b
+
+ ifconfig ${epair_nat}a inet6 2001:db8::2/64 no_dad up
+ route add -6 -net 2001:db8:1::/64 2001:db8::1
+
+ jexec nat ifconfig ${epair_nat}b inet6 2001:db8::1/64 no_dad up
+ jexec nat ifconfig ${epair_echo}a inet6 2001:db8:1::1/64 no_dad up
+ jexec nat sysctl net.inet6.ip6.forwarding=1
+
+ jexec echo ifconfig ${epair_echo}b inet6 2001:db8:1::2/64 no_dad up
+ # Ensure we can't reply to link-local pings
+ jexec echo pfctl -e
+ pft_set_rules echo \
+ "pass" \
+ "block in inet6 proto icmp6 from fe80::/10 to any icmp6-type
echoreq"
+
+ jexec nat pfctl -e
+ pft_set_rules nat \
+ "nat pass on ${epair_echo}a inet6 from 2001:db8::/64 to any ->
(${epair_echo}a)" \
+ "pass"
+
+ # Sanity check
+ atf_check -s exit:0 -o ignore \
+ ping -6 -c 1 2001:db8::1
+ for i in `seq 0 10`
+ do
+ atf_check -s exit:0 -o ignore \
+ ping -6 -c 1 2001:db8:1::2
+ done
+}
+
+nat6_nolinklocal_cleanup()
+{
+ pft_cleanup
+}
+
atf_init_test_cases()
{
atf_add_test_case "exhaust"
atf_add_test_case "nested_anchor"
atf_add_test_case "endpoint_independent"
+ atf_add_test_case "nat6_nolinklocal"
}
