git: d1702bd1c3a7 - main - pf tests: basic test for ether anchors

[Kristof Provost]

The branch main has been updated by kp:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=d1702bd1c3a732c6b8ba85a91c3af64a059439a4

commit d1702bd1c3a732c6b8ba85a91c3af64a059439a4
Author:     Kristof Provost <k...@freebsd.org>
AuthorDate: 2021-10-12 09:27:55 +0000
Commit:     Kristof Provost <k...@freebsd.org>
CommitDate: 2022-03-02 16:00:07 +0000

    pf tests: basic test for ether anchors
    
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
    Differential Revision:  https://reviews.freebsd.org/D32483
---
 tests/sys/netpfil/pf/ether.sh | 60 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/tests/sys/netpfil/pf/ether.sh b/tests/sys/netpfil/pf/ether.sh
index 8ca8d3fbf0c8..998badad91f1 100644
--- a/tests/sys/netpfil/pf/ether.sh
+++ b/tests/sys/netpfil/pf/ether.sh
@@ -339,6 +339,65 @@ dummynet_cleanup()
        pft_cleanup
 }
 
+atf_test_case "anchor" "cleanup"
+anchor_head()
+{
+       atf_set descr 'Test ether anchors'
+       atf_set require.user root
+}
+
+anchor_body()
+{
+       pft_init
+
+       epair=$(vnet_mkepair)
+       epair_a_mac=$(ifconfig ${epair}a ether | awk '/ether/ { print $2; }')
+
+       vnet_mkjail alcatraz ${epair}b
+
+       ifconfig ${epair}a 192.0.2.1/24 up
+       jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
+
+       # Sanity check
+       atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
+
+       jexec alcatraz pfctl -e
+       pft_set_rules alcatraz \
+               "ether anchor \"foo\" in on lo0 {" \
+                       "ether block" \
+               "}"
+
+       # That only filters on lo0, so we should still be able to pass traffic
+       atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
+
+       pft_set_rules alcatraz \
+               "ether block in" \
+               "ether anchor \"foo\" in on ${epair}b {" \
+                       "ether pass" \
+               "}"
+       atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
+
+       pft_set_rules alcatraz \
+               "ether pass" \
+               "ether anchor \"bar\" in on ${epair}b {" \
+                       "ether block" \
+               "}"
+       atf_check -s exit:2 -o ignore ping -c 1 -t 2 192.0.2.2
+
+       pft_set_rules alcatraz \
+               "ether block in" \
+               "ether anchor \"baz\" on ${epair}b {" \
+                       "ether pass in from 01:02:03:04:05:06" \
+               "}" \
+               "ether pass in from ${epair_a_mac}"
+       atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
+}
+
+anchor_cleanup()
+{
+       pft_cleanup
+}
+
 atf_init_test_cases()
 {
        atf_add_test_case "mac"
@@ -346,4 +405,5 @@ atf_init_test_cases()
        atf_add_test_case "direction"
        atf_add_test_case "captive"
        atf_add_test_case "dummynet"
+       atf_add_test_case "anchor"
 }