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-rw-r--r--data/templates/firewall/nftables-nat.tmpl154
-rw-r--r--data/templates/firewall/nftables-nat66.tmpl86
2 files changed, 119 insertions, 121 deletions
diff --git a/data/templates/firewall/nftables-nat.tmpl b/data/templates/firewall/nftables-nat.tmpl
index 9ea880697..922f3dcb4 100644
--- a/data/templates/firewall/nftables-nat.tmpl
+++ b/data/templates/firewall/nftables-nat.tmpl
@@ -3,146 +3,144 @@
{% macro nat_rule(rule, config, chain) %}
{% set comment = '' %}
{% set base_log = '' %}
-{% set src_addr = 'ip saddr ' + config.source.address.replace('!','!= ') if config.source is defined and config.source.address is defined and config.source.address is not none %}
-{% set dst_addr = 'ip daddr ' + config.destination.address.replace('!','!= ') if config.destination is defined and config.destination.address is defined and config.destination.address is not none %}
+{% set src_addr = 'ip saddr ' ~ config.source.address.replace('!','!= ') if config.source.address is vyos_defined %}
+{% set dst_addr = 'ip daddr ' ~ config.destination.address.replace('!','!= ') if config.destination.address is vyos_defined %}
{# negated port groups need special treatment, move != in front of { } group #}
-{% if config.source is defined and config.source.port is defined and config.source.port is not none and config.source.port.startswith('!=') %}
-{% set src_port = 'sport != { ' + config.source.port.replace('!=','') + ' }' %}
+{% if config.source.port is vyos_defined and config.source.port.startswith('!=') %}
+{% set src_port = 'sport != { ' ~ config.source.port.replace('!=','') ~ ' }' %}
{% else %}
-{% set src_port = 'sport { ' + config.source.port + ' }' if config.source is defined and config.source.port is defined and config.source.port is not none %}
+{% set src_port = 'sport { ' ~ config.source.port ~ ' }' if config.source.port is vyos_defined %}
{% endif %}
{# negated port groups need special treatment, move != in front of { } group #}
-{% if config.destination is defined and config.destination.port is defined and config.destination.port is not none and config.destination.port.startswith('!=') %}
-{% set dst_port = 'dport != { ' + config.destination.port.replace('!=','') + ' }' %}
+{% if config.destination.port is vyos_defined and config.destination.port.startswith('!=') %}
+{% set dst_port = 'dport != { ' ~ config.destination.port.replace('!=','') ~ ' }' %}
{% else %}
-{% set dst_port = 'dport { ' + config.destination.port + ' }' if config.destination is defined and config.destination.port is defined and config.destination.port is not none %}
+{% set dst_port = 'dport { ' ~ config.destination.port ~ ' }' if config.destination.port is vyos_defined %}
{% endif %}
-{% if chain == 'PREROUTING' %}
-{% set comment = 'DST-NAT-' + rule %}
-{% set base_log = '[NAT-DST-' + rule %}
-{% set interface = ' iifname "' + config.inbound_interface + '"' if config.inbound_interface is defined and config.inbound_interface != 'any' else '' %}
-{% if config.translation is defined and config.translation.address is defined and config.translation.address is not none %}
+{% if chain is vyos_defined('PREROUTING') %}
+{% set comment = 'DST-NAT-' ~ rule %}
+{% set base_log = '[NAT-DST-' ~ rule %}
+{% set interface = ' iifname "' ~ config.inbound_interface ~ '"' if config.inbound_interface is vyos_defined and config.inbound_interface is not vyos_defined('any') else '' %}
+{% if config.translation.address is vyos_defined %}
{# support 1:1 network translation #}
{% if config.translation.address | is_ip_network %}
-{% set trns_addr = 'dnat ip prefix to ip daddr map { ' + config.destination.address + ' : ' + config.translation.address + ' }' %}
+{% set trns_addr = 'dnat ip prefix to ip daddr map { ' ~ config.destination.address ~ ' : ' ~ config.translation.address ~ ' }' %}
{# we can now clear out the dst_addr part as it's already covered in aboves map #}
{% set dst_addr = '' %}
{% else %}
-{% set trns_addr = 'dnat to ' + config.translation.address %}
+{% set trns_addr = 'dnat to ' ~ config.translation.address %}
{% endif %}
{% endif %}
-{% elif chain == 'POSTROUTING' %}
-{% set comment = 'SRC-NAT-' + rule %}
-{% set base_log = '[NAT-SRC-' + rule %}
-{% set interface = ' oifname "' + config.outbound_interface + '"' if config.outbound_interface is defined and config.outbound_interface != 'any' else '' %}
-{% if config.translation is defined and config.translation.address is defined and config.translation.address is not none %}
-{% if config.translation.address == 'masquerade' %}
+{% elif chain is vyos_defined('POSTROUTING') %}
+{% set comment = 'SRC-NAT-' ~ rule %}
+{% set base_log = '[NAT-SRC-' ~ rule %}
+{% set interface = ' oifname "' ~ config.outbound_interface ~ '"' if config.outbound_interface is vyos_defined and config.outbound_interface is not vyos_defined('any') else '' %}
+{% if config.translation.address is vyos_defined %}
+{% if config.translation.address is vyos_defined('masquerade') %}
{% set trns_addr = config.translation.address %}
-{% if config.translation.port is defined and config.translation.port is not none %}
-{% set trns_addr = trns_addr + ' to ' %}
+{% if config.translation.port is vyos_defined %}
+{% set trns_addr = trns_addr ~ ' to ' %}
{% endif %}
{# support 1:1 network translation #}
{% elif config.translation.address | is_ip_network %}
-{% set trns_addr = 'snat ip prefix to ip saddr map { ' + config.source.address + ' : ' + config.translation.address + ' }' %}
+{% set trns_addr = 'snat ip prefix to ip saddr map { ' ~ config.source.address ~ ' : ' ~ config.translation.address ~ ' }' %}
{# we can now clear out the src_addr part as it's already covered in aboves map #}
{% set src_addr = '' %}
{% else %}
-{% set trns_addr = 'snat to ' + config.translation.address %}
+{% set trns_addr = 'snat to ' ~ config.translation.address %}
{% endif %}
{% endif %}
{% endif %}
-{% set trns_port = ':' + config.translation.port if config.translation is defined and config.translation.port is defined and config.translation.port is not none %}
+{% set trns_port = ':' ~ config.translation.port if config.translation.port is vyos_defined %}
{# protocol has a default value thus it is always present #}
-{% if config.protocol == 'tcp_udp' %}
+{% if config.protocol is vyos_defined('tcp_udp') %}
{% set protocol = 'tcp' %}
-{% set comment = comment + ' tcp_udp' %}
+{% set comment = comment ~ ' tcp_udp' %}
{% else %}
{% set protocol = config.protocol %}
{% endif %}
-{% if config.log is defined %}
-{% if config.exclude is defined %}
-{% set log = base_log + '-EXCL]' %}
-{% elif config.translation is defined and config.translation.address is defined and config.translation.address == 'masquerade' %}
+{% if config.log is vyos_defined %}
+{% if config.exclude is vyos_defined %}
+{% set log = base_log ~ '-EXCL]' %}
+{% elif config.translation.address is vyos_defined('masquerade') %}
{% set log = base_log +'-MASQ]' %}
{% else %}
-{% set log = base_log + ']' %}
+{% set log = base_log ~ ']' %}
{% endif %}
{% endif %}
-{% if config.exclude is defined %}
+{% if config.exclude is vyos_defined %}
{# rule has been marked as 'exclude' thus we simply return here #}
{% set trns_addr = 'return' %}
{% set trns_port = '' %}
{% endif %}
{# T1083: NAT address and port translation options #}
-{% if config.translation is defined and config.translation.options is defined and config.translation.options is not none %}
-{% if config.translation.options.address_mapping is defined and config.translation.options.address_mapping == "persistent" %}
+{% if config.translation.options is vyos_defined %}
+{% if config.translation.options.address_mapping is vyos_defined('persistent') %}
{% set trns_opts_addr = 'persistent' %}
{% endif %}
-{% if config.translation.options.port_mapping is defined %}
-{% if config.translation.options.port_mapping == "random" %}
-{% set trns_opts_port = 'random' %}
-{% elif config.translation.options.port_mapping == "fully-random" %}
-{% set trns_opts_port = 'fully-random' %}
-{% endif %}
+{% if config.translation.options.port_mapping is vyos_defined('random') %}
+{% set trns_opts_port = 'random' %}
+{% elif config.translation.options.port_mapping is vyos_defined('fully-random') %}
+{% set trns_opts_port = 'fully-random' %}
{% endif %}
{% endif %}
-{% if trns_opts_addr and trns_opts_port %}
-{% set trns_opts = trns_opts_addr + ',' + trns_opts_port %}
-{% elif trns_opts_addr %}
+{% if trns_opts_addr is vyos_defined and trns_opts_port is vyos_defined %}
+{% set trns_opts = trns_opts_addr ~ ',' ~ trns_opts_port %}
+{% elif trns_opts_addr is vyos_defined %}
{% set trns_opts = trns_opts_addr %}
-{% elif trns_opts_port %}
+{% elif trns_opts_port is vyos_defined %}
{% set trns_opts = trns_opts_port %}
{% endif %}
-{% set output = 'add rule ip nat ' + chain + interface %}
-{% if protocol != 'all' %}
-{% set output = output + ' ip protocol ' + protocol %}
+{% set output = 'add rule ip nat ' ~ chain ~ interface %}
+{% if protocol is not vyos_defined('all') %}
+{% set output = output ~ ' ip protocol ' ~ protocol %}
{% endif %}
-{% if src_addr %}
-{% set output = output + ' ' + src_addr %}
+{% if src_addr is vyos_defined %}
+{% set output = output ~ ' ' ~ src_addr %}
{% endif %}
-{% if src_port %}
-{% set output = output + ' ' + protocol + ' ' + src_port %}
+{% if src_port is vyos_defined %}
+{% set output = output ~ ' ' ~ protocol ~ ' ' ~ src_port %}
{% endif %}
-{% if dst_addr %}
-{% set output = output + ' ' + dst_addr %}
+{% if dst_addr is vyos_defined %}
+{% set output = output ~ ' ' ~ dst_addr %}
{% endif %}
-{% if dst_port %}
-{% set output = output + ' ' + protocol + ' ' + dst_port %}
+{% if dst_port is vyos_defined %}
+{% set output = output ~ ' ' ~ protocol ~ ' ' ~ dst_port %}
{% endif %}
{# Count packets #}
-{% set output = output + ' counter' %}
+{% set output = output ~ ' counter' %}
{# Special handling of log option, we must repeat the entire rule before the #}
{# NAT translation options are added, this is essential #}
-{% if log %}
-{% set log_output = output + ' log prefix "' + log + '" comment "' + comment + '"' %}
+{% if log is vyos_defined %}
+{% set log_output = output ~ ' log prefix "' ~ log ~ '" comment "' ~ comment ~ '"' %}
{% endif %}
-{% if trns_addr %}
-{% set output = output + ' ' + trns_addr %}
+{% if trns_addr is vyos_defined %}
+{% set output = output ~ ' ' ~ trns_addr %}
{% endif %}
-{% if trns_port %}
+{% if trns_port is vyos_defined %}
{# Do not add a whitespace here, translation port must be directly added after IP address #}
{# e.g. 192.0.2.10:3389 #}
-{% set output = output + trns_port %}
+{% set output = output ~ trns_port %}
{% endif %}
-{% if trns_opts %}
-{% set output = output + ' ' + trns_opts %}
+{% if trns_opts is vyos_defined %}
+{% set output = output ~ ' ' ~ trns_opts %}
{% endif %}
-{% if comment %}
-{% set output = output + ' comment "' + comment + '"' %}
+{% if comment is vyos_defined %}
+{% set output = output ~ ' comment "' ~ comment ~ '"' %}
{% endif %}
-{{ log_output if log_output }}
+{{ log_output if log_output is vyos_defined}}
{{ output }}
{# Special handling if protocol is tcp_udp, we must repeat the entire rule with udp as protocol #}
-{% if config.protocol == 'tcp_udp' %}
-{# Beware of trailing whitespace, without it the comment tcp_udp will be changed to udp_udp #}
-{{ log_output | replace('tcp ', 'udp ') if log_output }}
+{% if config.protocol is vyos_defined('tcp_udp') %}
+{# Beware of trailing whitespace, without it the comment tcp_udp will be changed to udp_udp #}
+{{ log_output | replace('tcp ', 'udp ') if log_output is vyos_defined }}
{{ output | replace('tcp ', 'udp ') }}
{% endif %}
{% endmacro %}
# Start with clean NAT table
flush table ip nat
-{% if helper_functions == 'remove' %}
+{% if helper_functions is vyos_defined('remove') %}
{# NAT if going to be disabled - remove rules and targets from nftables #}
{% set base_command = 'delete rule ip raw' %}
{{ base_command }} PREROUTING handle {{ pre_ct_ignore }}
@@ -152,7 +150,7 @@ flush table ip nat
delete chain ip raw NAT_CONNTRACK
-{% elif helper_functions == 'add' %}
+{% elif helper_functions is vyos_defined('add') %}
{# NAT if enabled - add targets to nftables #}
add chain ip raw NAT_CONNTRACK
add rule ip raw NAT_CONNTRACK counter accept
@@ -166,16 +164,16 @@ add rule ip raw NAT_CONNTRACK counter accept
#
# Destination NAT rules build up here
#
-{% if destination is defined and destination.rule is defined and destination.rule is not none %}
-{% for rule, config in destination.rule.items() if config.disable is not defined %}
+{% if destination.rule is vyos_defined %}
+{% for rule, config in destination.rule.items() if config.disable is not vyos_defined %}
{{ nat_rule(rule, config, 'PREROUTING') }}
{% endfor %}
{% endif %}
#
# Source NAT rules build up here
#
-{% if source is defined and source.rule is defined and source.rule is not none %}
-{% for rule, config in source.rule.items() if config.disable is not defined %}
+{% if source.rule is vyos_defined %}
+{% for rule, config in source.rule.items() if config.disable is not vyos_defined %}
{{ nat_rule(rule, config, 'POSTROUTING') }}
{% endfor %}
{% endif %}
diff --git a/data/templates/firewall/nftables-nat66.tmpl b/data/templates/firewall/nftables-nat66.tmpl
index e5c1b1b8d..ed98b888a 100644
--- a/data/templates/firewall/nftables-nat66.tmpl
+++ b/data/templates/firewall/nftables-nat66.tmpl
@@ -3,83 +3,83 @@
{% macro nptv6_rule(rule,config, chain) %}
{% set comment = '' %}
{% set base_log = '' %}
-{% set src_prefix = "ip6 saddr " + config.source.prefix if config.source is defined and config.source.prefix is defined and config.source.prefix is not none %}
-{% set dest_address = "ip6 daddr " + config.destination.address if config.destination is defined and config.destination.address is defined and config.destination.address is not none %}
-{% if chain == "PREROUTING" %}
-{% set comment = "DST-NAT66-" + rule %}
-{% set base_log = '[NAT66-DST-' + rule %}
-{% set interface = " iifname \"" + config.inbound_interface + "\"" if config.inbound_interface is defined and config.inbound_interface != 'any' else '' %}
+{% set src_prefix = 'ip6 saddr ' ~ config.source.prefix if config.source.prefix is vyos_defined %}
+{% set dest_address = 'ip6 daddr ' ~ config.destination.address if config.destination.address is vyos_defined %}
+{% if chain is vyos_defined('PREROUTING') %}
+{% set comment = 'DST-NAT66-' ~ rule %}
+{% set base_log = '[NAT66-DST-' ~ rule %}
+{% set interface = ' iifname "' ~ config.inbound_interface ~ '"' if config.inbound_interface is vyos_defined and config.inbound_interface is not vyos_defined('any') else '' %}
{% if config.translation.address | is_ip_network %}
{# support 1:1 network translation #}
-{% set dnat_type = "dnat prefix to " %}
+{% set dnat_type = 'dnat prefix to ' %}
{% else %}
-{% set dnat_type = "dnat to " %}
+{% set dnat_type = 'dnat to ' %}
{% endif %}
-{% set trns_address = dnat_type + config.translation.address if config.translation is defined and config.translation.address is defined and config.translation.address is not none %}
-{% elif chain == "POSTROUTING" %}
-{% set comment = 'SRC-NAT66-' + rule %}
-{% set base_log = '[NAT66-SRC-' + rule %}
-{% if config.translation is defined and config.translation.address is defined and config.translation.address is not none %}
-{% if config.translation.address == 'masquerade' %}
+{% set trns_address = dnat_type ~ config.translation.address if config.translation.address is vyos_defined %}
+{% elif chain is vyos_defined('POSTROUTING') %}
+{% set comment = 'SRC-NAT66-' ~ rule %}
+{% set base_log = '[NAT66-SRC-' ~ rule %}
+{% if config.translation.address is vyos_defined %}
+{% if config.translation.address is vyos_defined('masquerade') %}
{% set trns_address = config.translation.address %}
-{% else %}
+{% else %}
{% if config.translation.address | is_ip_network %}
{# support 1:1 network translation #}
-{% set snat_type = "snat prefix to " %}
+{% set snat_type = 'snat prefix to ' %}
{% else %}
-{% set snat_type = "snat to " %}
+{% set snat_type = 'snat to ' %}
{% endif %}
-{% set trns_address = snat_type + config.translation.address %}
+{% set trns_address = snat_type ~ config.translation.address %}
{% endif %}
{% endif %}
-{% set interface = " oifname \"" + config.outbound_interface + "\"" if config.outbound_interface is defined else '' %}
+{% set interface = ' oifname "' ~ config.outbound_interface ~ '"' if config.outbound_interface is vyos_defined else '' %}
{% endif %}
-{% if config.log is defined %}
-{% if config.translation is defined and config.translation.address is defined and config.translation.address == 'masquerade' %}
+{% if config.log is vyos_defined %}
+{% if config.translation.address is vyos_defined('masquerade') %}
{% set log = base_log +'-MASQ]' %}
{% else %}
-{% set log = base_log + "]" %}
+{% set log = base_log ~ ']' %}
{% endif %}
{% endif %}
-{% set output = "add rule ip6 nat " + chain + interface %}
+{% set output = 'add rule ip6 nat ' ~ chain ~ interface %}
{# Count packets #}
-{% set output = output + " counter" %}
+{% set output = output ~ ' counter' %}
{# Special handling of log option, we must repeat the entire rule before the #}
{# NAT translation options are added, this is essential #}
-{% if log %}
-{% set log_output = output + " log prefix \"" + log + "\" comment \"" + comment + "\"" %}
+{% if log is vyos_defined %}
+{% set log_output = output ~ ' log prefix "' ~ log ~ '" comment "' ~ comment ~ '"' %}
{% endif %}
-{% if src_prefix %}
-{% set output = output + " " + src_prefix %}
+{% if src_prefix is vyos_defined %}
+{% set output = output ~ ' ' ~ src_prefix %}
{% endif %}
-{% if dest_address %}
-{% set output = output + " " + dest_address %}
+{% if dest_address is vyos_defined %}
+{% set output = output ~ ' ' ~ dest_address %}
{% endif %}
-{% if trns_address %}
-{% set output = output + " " + trns_address %}
+{% if trns_address is vyos_defined %}
+{% set output = output ~ ' ' ~ trns_address %}
{% endif %}
-{% if comment %}
-{% set output = output + " comment \"" + comment + "\"" %}
+{% if comment is vyos_defined %}
+{% set output = output ~ ' comment "' ~ comment ~ '"' %}
{% endif %}
-{{ log_output if log_output }}
+{{ log_output if log_output is vyos_defined }}
{{ output }}
{% endmacro %}
# Start with clean NAT table
flush table ip6 nat
-{% if helper_functions == 'remove' %}
+{% if helper_functions is vyos_defined('remove') %}
{# NAT if going to be disabled - remove rules and targets from nftables #}
-{% set base_command = "delete rule ip6 raw" %}
+{% set base_command = 'delete rule ip6 raw' %}
{{base_command}} PREROUTING handle {{ pre_ct_conntrack }}
{{base_command}} OUTPUT handle {{ out_ct_conntrack }}
delete chain ip6 raw NAT_CONNTRACK
-{% elif helper_functions == 'add' %}
+{% elif helper_functions is vyos_defined('add') %}
{# NAT if enabled - add targets to nftables #}
add chain ip6 raw NAT_CONNTRACK
add rule ip6 raw NAT_CONNTRACK counter accept
-{% set base_command = "add rule ip6 raw" %}
+{% set base_command = 'add rule ip6 raw' %}
{{ base_command }} PREROUTING position {{ pre_ct_conntrack }} counter jump NAT_CONNTRACK
{{ base_command }} OUTPUT position {{ out_ct_conntrack }} counter jump NAT_CONNTRACK
{% endif %}
@@ -87,16 +87,16 @@ add rule ip6 raw NAT_CONNTRACK counter accept
#
# Destination NAT66 rules build up here
#
-{% if destination is defined and destination.rule is defined and destination.rule is not none %}
-{% for rule, config in destination.rule.items() if config.disable is not defined %}
+{% if destination.rule is vyos_defined %}
+{% for rule, config in destination.rule.items() if config.disable is not vyos_defined %}
{{ nptv6_rule(rule, config, 'PREROUTING') }}
{% endfor %}
{% endif %}
#
# Source NAT66 rules build up here
#
-{% if source is defined and source.rule is defined and source.rule is not none %}
-{% for rule, config in source.rule.items() if config.disable is not defined %}
+{% if source.rule is vyos_defined %}
+{% for rule, config in source.rule.items() if config.disable is not vyos_defined %}
{{ nptv6_rule(rule, config, 'POSTROUTING') }}
{% endfor %}
{% endif %}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 07:39:19 +0000