471fa4bd41
With addition: - feat(direct): avoid iptables flush if using nftables backend Resolves: rhbz2221175
177 lines
7.2 KiB
Diff
177 lines
7.2 KiB
Diff
From 5f092d3665463b764b957ef219010e0640babde7 Mon Sep 17 00:00:00 2001
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From: Eric Garver <eric@garver.life>
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Date: Mon, 30 Jan 2023 14:43:18 -0500
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Subject: [PATCH 4/4] v1.4.0: test(direct): avoid iptables flush if using
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nftables backend
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Coverage: #863
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(cherry picked from commit dcd0dd3674ea8ef757a1b41f6b53717a45e821aa)
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---
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src/tests/features/features.at | 1 +
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.../features/iptables_no_flush_on_shutdown.at | 144 ++++++++++++++++++
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2 files changed, 145 insertions(+)
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create mode 100644 src/tests/features/iptables_no_flush_on_shutdown.at
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diff --git a/src/tests/features/features.at b/src/tests/features/features.at
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index 96b098de6e82..59725eb9fdf4 100644
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--- a/src/tests/features/features.at
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+++ b/src/tests/features/features.at
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@@ -18,3 +18,4 @@ m4_include([features/rpfilter.at])
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m4_include([features/zone_combine.at])
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m4_include([features/startup_failsafe.at])
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m4_include([features/ipset.at])
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+m4_include([features/iptables_no_flush_on_shutdown.at])
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diff --git a/src/tests/features/iptables_no_flush_on_shutdown.at b/src/tests/features/iptables_no_flush_on_shutdown.at
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new file mode 100644
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index 000000000000..753a8251f732
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--- /dev/null
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+++ b/src/tests/features/iptables_no_flush_on_shutdown.at
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@@ -0,0 +1,144 @@
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+m4_if(nftables, FIREWALL_BACKEND, [
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+
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+dnl If FirewallBackend=nftables, and there are no --direct rules, then we can
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+dnl avoid flushing iptables on shutdown. We can also avoid a flush on startup
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+dnl if there are no permanent direct rules. But we will have to flush on the
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+dnl first direct rule added.
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+FWD_START_TEST([avoid iptables flush if using nftables])
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+AT_KEYWORDS(direct gh863)
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+CHECK_IPTABLES()
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+
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+dnl no flush on reload if no direct rules
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+NS_CHECK([$IPTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IPTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+IF_HOST_SUPPORTS_IP6TABLES([
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+NS_CHECK([$IP6TABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IP6TABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+])
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+NS_CHECK([$EBTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$EBTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
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+])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all ::/0 ::/0
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+])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 0, [dnl
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+ -j ACCEPT
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+])
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+FWD_RELOAD()
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
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+])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all ::/0 ::/0
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+])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 0, [dnl
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+ -j ACCEPT
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+])
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+
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+dnl no flush on restart (or stop) if no direct rules
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+FWD_RESTART()
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
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+])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all ::/0 ::/0
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+])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 0, [dnl
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+ -j ACCEPT
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+])
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+
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+dnl the first runtime direct rule should trigger an iptables flush
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+FWD_CHECK([--direct --add-rule ipv4 filter INPUT 1 -j ACCEPT], 0, [ignore])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [INPUT], 0, [dnl
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+ ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
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+])
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+NS_CHECK([$IPTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IPTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+IF_HOST_SUPPORTS_IP6TABLES([
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+NS_CHECK([$IP6TABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IP6TABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+])
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+NS_CHECK([$EBTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$EBTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
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+])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 0, [dnl
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+ ACCEPT all ::/0 ::/0
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+])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 0, [dnl
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+ -j ACCEPT
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+])
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+FWD_RELOAD()
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [INPUT], 0, [dnl
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+])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [INPUT], 0, [dnl
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+])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+EBTABLES_LIST_RULES([filter], [INPUT], 0, [dnl
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+])
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+
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+dnl permanent direct rules should trigger a flush at start
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+FWD_CHECK([--permanent --direct --add-rule ipv4 filter INPUT 1 -j ACCEPT], 0, [ignore])
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+NS_CHECK([$IPTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IPTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+IF_HOST_SUPPORTS_IP6TABLES([
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+NS_CHECK([$IP6TABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IP6TABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+])
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+NS_CHECK([$EBTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$EBTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+FWD_RELOAD()
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [INPUT], 0, [dnl
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+ ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
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+])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [INPUT], 0, [dnl
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+])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+EBTABLES_LIST_RULES([filter], [INPUT], 0, [dnl
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+])
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+
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+FWD_CHECK([--permanent --direct --remove-rule ipv4 filter INPUT 1 -j ACCEPT], 0, [ignore])
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+FWD_RELOAD()
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+
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+dnl adding a chain should trigger a flush
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+NS_CHECK([$IPTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IPTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+IF_HOST_SUPPORTS_IP6TABLES([
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+NS_CHECK([$IP6TABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IP6TABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+])
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+NS_CHECK([$EBTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$EBTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+FWD_CHECK([--direct --add-chain ipv4 filter firewalld_foobar], 0, [ignore])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+FWD_RELOAD()
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+
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+dnl adding a chain should trigger a flush
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+NS_CHECK([$IPTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IPTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+IF_HOST_SUPPORTS_IP6TABLES([
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+NS_CHECK([$IP6TABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$IP6TABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+])
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+NS_CHECK([$EBTABLES -t filter -N firewalld_testsuite])
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+NS_CHECK([$EBTABLES -t filter -I firewalld_testsuite -j ACCEPT])
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+FWD_CHECK([--direct --add-passthrough ipv4 -t filter -I INPUT -j ACCEPT], 0, [ignore])
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+IPTABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+IP6TABLES_LIST_RULES_ALWAYS([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+EBTABLES_LIST_RULES([filter], [firewalld_testsuite], 1, [ignore], [ignore])
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+
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+FWD_END_TEST()
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+
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+])
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--
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2.39.1
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