firewalld/SOURCES/0053-fix-nftables-packet-marks-with-masks.patch
2021-09-09 16:39:27 +00:00

49 lines
2.2 KiB
Diff

From 08cb6f0c7abca95fa898020bb9f3ba3f4bfbf148 Mon Sep 17 00:00:00 2001
From: Eric Garver <eric@garver.life>
Date: Fri, 28 Aug 2020 13:15:34 -0400
Subject: [PATCH 53/62] fix(nftables): packet marks with masks
(cherry picked from commit e296b926ae5dc4cbc277b6dd755d045e73ed4411)
(cherry picked from commit 371efe757f2bde20b4301a78ed3c48ec1d31bf5e)
---
src/firewall/core/fw_zone.py | 2 ++
src/firewall/core/nftables.py | 9 +++++++--
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/src/firewall/core/fw_zone.py b/src/firewall/core/fw_zone.py
index 129306b6f969..6eaed4232405 100644
--- a/src/firewall/core/fw_zone.py
+++ b/src/firewall/core/fw_zone.py
@@ -1719,6 +1719,8 @@ class FirewallZone(object):
if enable:
transaction.add_chain(zone, table, "INPUT")
transaction.add_chain(zone, table, "FORWARD_IN")
+ if enable and type(rule.action) == Rich_Mark:
+ transaction.add_chain(zone, "mangle", "PREROUTING")
rules = backend.build_zone_icmp_block_rules(enable, zone, ict, rule)
transaction.add_rules(backend, rules)
diff --git a/src/firewall/core/nftables.py b/src/firewall/core/nftables.py
index 0198200b2372..76668a60468f 100644
--- a/src/firewall/core/nftables.py
+++ b/src/firewall/core/nftables.py
@@ -1043,8 +1043,13 @@ class nftables(object):
zone=zone)
table = "mangle"
chain = "%s_%s_%s" % (table, target, chain_suffix)
- rule_action = {"mangle": {"key": {"meta": {"key": "mark"}},
- "value": rich_rule.action.set}}
+ value = rich_rule.action.set.split("/")
+ if len(value) > 1:
+ rule_action = {"mangle": {"key": {"meta": {"key": "mark"}},
+ "value": {"^": [{"&": [{"meta": {"key": "mark"}}, value[1]]}, value[0]]}}}
+ else:
+ rule_action = {"mangle": {"key": {"meta": {"key": "mark"}},
+ "value": value[0]}}
else:
raise FirewallError(INVALID_RULE,
"Unknown action %s" % type(rich_rule.action))
--
2.28.0