conntrack: T5376: T5598: Fix for kernel conntrack helpers

`nf_conntrack_helper` that auto-assigned helpers is removed from the kernel

3 files changed, 74 insertions, 50 deletions

diff --git a/data/templates/conntrack/nftables-ct.j2 b/data/templates/conntrack/nftables-ct.j2
index 895f61a55..1e0fc8065 100644
--- a/data/templates/conntrack/nftables-ct.j2
+++ b/data/templates/conntrack/nftables-ct.j2
@@ -1,5 +1,6 @@
 #!/usr/sbin/nft -f
 
+{% import 'conntrack/nftables-helpers.j2' as helper_tmpl %}
 {% import 'firewall/nftables-defines.j2' as group_tmpl %}
 
 {% if first_install is not vyos_defined %}
@@ -52,30 +53,7 @@ table ip vyos_conntrack {
         notrack
     }
 
-    ct helper rpc_tcp {
-        type "rpc" protocol tcp;
-    }
-
-    ct helper rpc_udp {
-        type "rpc" protocol udp;
-    }
-
-    ct helper tns_tcp {
-        type "tns" protocol tcp;
-    }
-
-    chain VYOS_CT_HELPER {
-{% for module, module_conf in module_map.items() %}
-{%     if modules[module] is vyos_defined %}
-{%         if 'nftables' in module_conf %}
-{%             for rule in module_conf.nftables %}
-        {{ rule }}
-{%             endfor %}
-{%         endif %}
-{%     endif %}
-{% endfor %}
-        return
-    }
+{{ helper_tmpl.conntrack_helpers(module_map, modules, ipv4=True) }}
 
     chain FW_CONNTRACK {
         {{ ipv4_firewall_action }}
@@ -140,30 +118,7 @@ table ip6 vyos_conntrack {
         notrack
     }
 
-    ct helper rpc_tcp {
-        type "rpc" protocol tcp;
-    }
-
-    ct helper rpc_udp {
-        type "rpc" protocol udp;
-    }
-
-    ct helper tns_tcp {
-        type "tns" protocol tcp;
-    }
-
-    chain VYOS_CT_HELPER {
-{% for module, module_conf in module_map.items() %}
-{%     if modules[module] is vyos_defined %}
-{%         if 'nftables' in module_conf %}
-{%             for rule in module_conf.nftables %}
-        {{ rule }}
-{%             endfor %}
-{%         endif %}
-{%     endif %}
-{% endfor %}
-        return
-    }
+{{ helper_tmpl.conntrack_helpers(module_map, modules, ipv4=False) }}
 
     chain FW_CONNTRACK {
         {{ ipv6_firewall_action }}
diff --git a/data/templates/conntrack/nftables-helpers.j2 b/data/templates/conntrack/nftables-helpers.j2
new file mode 100644
index 000000000..433931162
--- /dev/null
+++ b/data/templates/conntrack/nftables-helpers.j2
@@ -0,0 +1,70 @@
+{% macro conntrack_helpers(module_map, modules, ipv4=True) %}
+{% if modules.ftp is vyos_defined %}
+    ct helper ftp_tcp {
+        type "ftp" protocol tcp;
+    }
+{% endif %}
+
+{% if modules.h323 is vyos_defined %}
+    ct helper ras_udp {
+        type "RAS" protocol udp;
+    }
+
+    ct helper q931_tcp {
+        type "Q.931" protocol tcp;
+    }
+{% endif %}
+
+{% if modules.pptp is vyos_defined and ipv4 %}
+    ct helper pptp_tcp {
+        type "pptp" protocol tcp;
+    }
+{% endif %}
+
+{% if modules.nfs is vyos_defined %}
+    ct helper rpc_tcp {
+        type "rpc" protocol tcp;
+    }
+
+    ct helper rpc_udp {
+        type "rpc" protocol udp;
+    }
+{% endif %}
+
+{% if modules.sip is vyos_defined %}
+    ct helper sip_tcp {
+        type "sip" protocol tcp;
+    }
+
+    ct helper sip_udp {
+        type "sip" protocol udp;
+    }
+{% endif %}
+
+{% if modules.tftp is vyos_defined %}
+    ct helper tftp_udp {
+        type "tftp" protocol udp;
+    }
+{% endif %}
+
+{% if modules.sqlnet is vyos_defined %}
+    ct helper tns_tcp {
+        type "tns" protocol tcp;
+    }
+{% endif %}
+
+    chain VYOS_CT_HELPER {
+{% for module, module_conf in module_map.items() %}
+{%     if modules[module] is vyos_defined %}
+{%         if 'nftables' in module_conf %}
+{%             if module_conf.ipv4 is not vyos_defined or module_conf.ipv4 == ipv4 %}
+{%                 for rule in module_conf.nftables %}
+        {{ rule }}
+{%                 endfor %}
+{%             endif %}
+{%         endif %}
+{%     endif %}
+{% endfor %}
+        return
+    }
+{% endmacro %}
diff --git a/data/templates/conntrack/vyos_nf_conntrack.conf.j2 b/data/templates/conntrack/vyos_nf_conntrack.conf.j2
index 111459485..197155d96 100644
--- a/data/templates/conntrack/vyos_nf_conntrack.conf.j2
+++ b/data/templates/conntrack/vyos_nf_conntrack.conf.j2
@@ -1,3 +1,2 @@
 # Autogenerated by conntrack.py
-options nf_conntrack hashsize={{ hash_size }} nf_conntrack_helper=1
-
+options nf_conntrack hashsize={{ hash_size }}