[pve-devel] [PATCH firewall v3 04/14] firewall: helpers: add sub for flushing conntrack entries by mark

[Christoph Heiss <c.heiss@proxmox.com>]

A small helper routine for flushing all conntrack table entries which
are marked with a specific value.

Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
Changes v1 -> v2:
  * no changes

Changes v2 -> v3:
  * rebased on trixie

 debian/control              |  3 ++-
 src/PVE/Firewall/Helpers.pm | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/debian/control b/debian/control
index 2e8e528..59c45af 100644
--- a/debian/control
+++ b/debian/control
@@ -17,7 +17,8 @@ Standards-Version: 4.6.2
 Package: pve-firewall
 Architecture: any
 Conflicts: ulogd,
-Depends: ebtables,
+Depends: conntrack,
+         ebtables,
          ipset,
          iptables,
          libpve-access-control,
diff --git a/src/PVE/Firewall/Helpers.pm b/src/PVE/Firewall/Helpers.pm
index 251ee22..0abfd5d 100644
--- a/src/PVE/Firewall/Helpers.pm
+++ b/src/PVE/Firewall/Helpers.pm
@@ -16,6 +16,7 @@ our @EXPORT_OK = qw(
     remove_vmfw_conf
     clone_vmfw_conf
     collect_refs
+    flush_fw_ct_entries_by_mark
 );
 
 my $pvefw_conf_dir = "/etc/pve/firewall";
@@ -188,4 +189,15 @@ sub collect_refs {
     return $res;
 }
 
+# Flushes all conntrack table entries which are CONNMARK'd with the specified value.
+sub flush_fw_ct_entries_by_mark {
+    my ($mark) = @_;
+
+    PVE::Tools::run_command(
+        ['conntrack', '--delete', '--mark', $mark],
+        noerr => 1,
+        quiet => 1,
+    );
+}
+
 1;
-- 
2.49.0



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