diff options
Diffstat (limited to 'data/templates/firewall')
-rw-r--r-- | data/templates/firewall/nftables-defines.j2 | 5 | ||||
-rw-r--r-- | data/templates/firewall/nftables-geoip-update.j2 | 8 | ||||
-rw-r--r-- | data/templates/firewall/nftables-nat.j2 | 181 | ||||
-rw-r--r-- | data/templates/firewall/nftables-nat66.j2 | 158 | ||||
-rw-r--r-- | data/templates/firewall/nftables-static-nat.j2 | 122 | ||||
-rw-r--r-- | data/templates/firewall/nftables-zone.j2 | 78 | ||||
-rw-r--r-- | data/templates/firewall/nftables.j2 | 250 |
7 files changed, 238 insertions, 564 deletions
diff --git a/data/templates/firewall/nftables-defines.j2 b/data/templates/firewall/nftables-defines.j2 index 97fc123d5..5336f7ee6 100644 --- a/data/templates/firewall/nftables-defines.j2 +++ b/data/templates/firewall/nftables-defines.j2 @@ -7,6 +7,7 @@ set A_{{ group_name }} { type {{ ip_type }} flags interval + auto-merge {% if group_conf.address is vyos_defined or includes %} elements = { {{ group_conf.address | nft_nested_group(includes, group.address_group, 'address') | join(",") }} } {% endif %} @@ -19,6 +20,7 @@ set A6_{{ group_name }} { type {{ ip_type }} flags interval + auto-merge {% if group_conf.address is vyos_defined or includes %} elements = { {{ group_conf.address | nft_nested_group(includes, group.ipv6_address_group, 'address') | join(",") }} } {% endif %} @@ -42,6 +44,7 @@ set N_{{ group_name }} { type {{ ip_type }} flags interval + auto-merge {% if group_conf.network is vyos_defined or includes %} elements = { {{ group_conf.network | nft_nested_group(includes, group.network_group, 'network') | join(",") }} } {% endif %} @@ -54,6 +57,7 @@ set N6_{{ group_name }} { type {{ ip_type }} flags interval + auto-merge {% if group_conf.network is vyos_defined or includes %} elements = { {{ group_conf.network | nft_nested_group(includes, group.ipv6_network_group, 'network') | join(",") }} } {% endif %} @@ -66,6 +70,7 @@ set P_{{ group_name }} { type inet_service flags interval + auto-merge {% if group_conf.port is vyos_defined or includes %} elements = { {{ group_conf.port | nft_nested_group(includes, group.port_group, 'port') | join(",") }} } {% endif %} diff --git a/data/templates/firewall/nftables-geoip-update.j2 b/data/templates/firewall/nftables-geoip-update.j2 index f9e61a274..832ccc3e9 100644 --- a/data/templates/firewall/nftables-geoip-update.j2 +++ b/data/templates/firewall/nftables-geoip-update.j2 @@ -2,10 +2,10 @@ {% if ipv4_sets is vyos_defined %} {% for setname, ip_list in ipv4_sets.items() %} -flush set ip filter {{ setname }} +flush set ip vyos_filter {{ setname }} {% endfor %} -table ip filter { +table ip vyos_filter { {% for setname, ip_list in ipv4_sets.items() %} set {{ setname }} { type ipv4_addr @@ -18,10 +18,10 @@ table ip filter { {% if ipv6_sets is vyos_defined %} {% for setname, ip_list in ipv6_sets.items() %} -flush set ip6 filter {{ setname }} +flush set ip6 vyos_filter {{ setname }} {% endfor %} -table ip6 filter { +table ip6 vyos_filter { {% for setname, ip_list in ipv6_sets.items() %} set {{ setname }} { type ipv6_addr diff --git a/data/templates/firewall/nftables-nat.j2 b/data/templates/firewall/nftables-nat.j2 index 1481e9104..55fe6024b 100644 --- a/data/templates/firewall/nftables-nat.j2 +++ b/data/templates/firewall/nftables-nat.j2 @@ -1,146 +1,5 @@ #!/usr/sbin/nft -f -{% macro nat_rule(rule, config, chain) %} -{% set comment = '' %} -{% set base_log = '' %} -{% 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.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.port is vyos_defined %} -{% endif %} -{# negated port groups need special treatment, move != in front of { } group #} -{% 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.port is vyos_defined %} -{% endif %} -{% 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 ~ ' }' %} -{# 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 %} -{% endif %} -{% endif %} -{% 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 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 ~ ' }' %} -{# 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 %} -{% endif %} -{% endif %} -{% endif %} -{% 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 is vyos_defined('tcp_udp') %} -{% set protocol = 'tcp' %} -{% set comment = comment ~ ' tcp_udp' %} -{% else %} -{% set protocol = config.protocol %} -{% endif %} -{% 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 ~ ']' %} -{% endif %} -{% endif %} -{% 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.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 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 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 is vyos_defined %} -{% set trns_opts = trns_opts_port %} -{% endif %} -{% 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 is vyos_defined %} -{% set output = output ~ ' ' ~ src_addr %} -{% endif %} -{% if src_port is vyos_defined %} -{% set output = output ~ ' ' ~ protocol ~ ' ' ~ src_port %} -{% endif %} -{% if dst_addr is vyos_defined %} -{% set output = output ~ ' ' ~ dst_addr %} -{% endif %} -{% if dst_port is vyos_defined %} -{% set output = output ~ ' ' ~ protocol ~ ' ' ~ dst_port %} -{% endif %} -{# Count packets #} -{% 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 is vyos_defined %} -{% set log_output = output ~ ' log prefix "' ~ log ~ '" comment "' ~ comment ~ '"' %} -{% endif %} -{% if trns_addr is vyos_defined %} -{% set output = output ~ ' ' ~ trns_addr %} -{% endif %} -{% 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 %} -{% endif %} -{% if trns_opts is vyos_defined %} -{% set output = output ~ ' ' ~ trns_opts %} -{% endif %} -{% if comment is vyos_defined %} -{% set output = output ~ ' comment "' ~ comment ~ '"' %} -{% endif %} -{{ 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 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 SNAT and DNAT chains -flush chain ip nat PREROUTING -flush chain ip nat POSTROUTING {% 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' %} @@ -162,21 +21,41 @@ add rule ip raw NAT_CONNTRACK counter accept {{ base_command }} OUTPUT position {{ out_ct_conntrack }} counter jump NAT_CONNTRACK {% endif %} -# -# Destination NAT rules build up here -# -add rule ip nat PREROUTING counter jump VYOS_PRE_DNAT_HOOK +{% if first_install is not vyos_defined %} +delete table ip vyos_nat +{% endif %} +table ip vyos_nat { + # + # Destination NAT rules build up here + # + chain PREROUTING { + type nat hook prerouting priority -100; policy accept; + counter jump VYOS_PRE_DNAT_HOOK {% 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') }} + {{ config | nat_rule(rule, 'destination') }} {% endfor %} {% endif %} -# -# Source NAT rules build up here -# -add rule ip nat POSTROUTING counter jump VYOS_PRE_SNAT_HOOK + } + + # + # Source NAT rules build up here + # + chain POSTROUTING { + type nat hook postrouting priority 100; policy accept; + counter jump VYOS_PRE_SNAT_HOOK {% 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') }} + {{ config | nat_rule(rule, 'source') }} {% endfor %} {% endif %} + } + + chain VYOS_PRE_DNAT_HOOK { + return + } + + chain VYOS_PRE_SNAT_HOOK { + return + } +} diff --git a/data/templates/firewall/nftables-nat66.j2 b/data/templates/firewall/nftables-nat66.j2 index 28714c7a7..27b3eec88 100644 --- a/data/templates/firewall/nftables-nat66.j2 +++ b/data/templates/firewall/nftables-nat66.j2 @@ -1,125 +1,5 @@ #!/usr/sbin/nft -f -{% macro nptv6_rule(rule,config, chain) %} -{% set comment = '' %} -{% set base_log = '' %} -{% set dst_prefix = 'ip6 daddr ' ~ config.destination.prefix.replace('!','!= ') if config.destination.prefix is vyos_defined %} -{% set src_prefix = 'ip6 saddr ' ~ config.source.prefix.replace('!','!= ') if config.source.prefix is vyos_defined %} -{% set source_address = 'ip6 saddr ' ~ config.source.address.replace('!','!= ') if config.source.address is vyos_defined %} -{% set dest_address = 'ip6 daddr ' ~ config.destination.address.replace('!','!= ') if config.destination.address is vyos_defined %} -{# Port #} -{% 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.port is vyos_defined %} -{% endif %} -{% 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.port is vyos_defined %} -{% endif %} -{% 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 ' %} -{% else %} -{% set dnat_type = 'dnat to ' %} -{% endif %} -{% 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 %} -{% if config.translation.address | is_ip_network %} -{# support 1:1 network translation #} -{% set snat_type = 'snat prefix to ' %} -{% else %} -{% set snat_type = 'snat to ' %} -{% endif %} -{% set trns_address = snat_type ~ config.translation.address %} -{% endif %} -{% endif %} -{% set interface = ' oifname "' ~ config.outbound_interface ~ '"' if config.outbound_interface is vyos_defined else '' %} -{% endif %} -{% 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 is vyos_defined('tcp_udp') %} -{% set protocol = 'tcp' %} -{% set comment = comment ~ ' tcp_udp' %} -{% else %} -{% set protocol = config.protocol %} -{% endif %} -{% if config.log is vyos_defined %} -{% if config.translation.address is vyos_defined('masquerade') %} -{% set log = base_log ~ '-MASQ]' %} -{% else %} -{% set log = base_log ~ ']' %} -{% endif %} -{% endif %} -{% 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 %} -{% set output = 'add rule ip6 nat ' ~ chain ~ interface %} -{# Count packets #} -{% 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 is vyos_defined %} -{% set log_output = output ~ ' log prefix "' ~ log ~ '" comment "' ~ comment ~ '"' %} -{% endif %} -{% if src_prefix is vyos_defined %} -{% set output = output ~ ' ' ~ src_prefix %} -{% endif %} -{% if dst_port is vyos_defined %} -{% set output = output ~ ' ' ~ protocol ~ ' ' ~ dst_port %} -{% endif %} -{% if dst_prefix is vyos_defined %} -{% set output = output ~ ' ' ~ dst_prefix %} -{% endif %} -{% if source_address is vyos_defined %} -{% set output = output ~ ' ' ~ source_address %} -{% endif %} -{% if src_port is vyos_defined %} -{% set output = output ~ ' ' ~ protocol ~ ' ' ~ src_port %} -{% endif %} -{% if dest_address is vyos_defined %} -{% set output = output ~ ' ' ~ dest_address %} -{% endif %} -{% if config.exclude is vyos_defined %} -{# rule has been marked as 'exclude' thus we simply return here #} -{% set trns_address = 'return' %} -{% endif %} -{% if trns_address is vyos_defined %} -{% set output = output ~ ' ' ~ trns_address %} -{% endif %} -{% if trns_port is vyos_defined %} -{# Do not add a whitespace here, translation port must be directly added after IP address #} -{# e.g. 2001:db8::1:3389 #} -{% set output = output ~ trns_port %} -{% endif %} -{% if comment is vyos_defined %} -{% set output = output ~ ' comment "' ~ comment ~ '"' %} -{% endif %} -{{ 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 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 ip6 nat {% 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' %} @@ -137,19 +17,41 @@ add rule ip6 raw NAT_CONNTRACK counter accept {{ base_command }} OUTPUT position {{ out_ct_conntrack }} counter jump NAT_CONNTRACK {% endif %} -# -# Destination NAT66 rules build up here -# +{% if first_install is not vyos_defined %} +delete table ip6 vyos_nat +{% endif %} +table ip6 vyos_nat { + # + # Destination NAT66 rules build up here + # + chain PREROUTING { + type nat hook prerouting priority -100; policy accept; + counter jump VYOS_DNPT_HOOK {% 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') }} + {{ config | nat_rule(rule, 'destination', ipv6=True) }} {% endfor %} {% endif %} -# -# Source NAT66 rules build up here -# + } + + # + # Source NAT66 rules build up here + # + chain POSTROUTING { + type nat hook postrouting priority 100; policy accept; + counter jump VYOS_SNPT_HOOK {% 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') }} + {{ config | nat_rule(rule, 'source', ipv6=True) }} {% endfor %} {% endif %} + } + + chain VYOS_DNPT_HOOK { + return + } + + chain VYOS_SNPT_HOOK { + return + } +} diff --git a/data/templates/firewall/nftables-static-nat.j2 b/data/templates/firewall/nftables-static-nat.j2 index d3c43858f..790c33ce9 100644 --- a/data/templates/firewall/nftables-static-nat.j2 +++ b/data/templates/firewall/nftables-static-nat.j2 @@ -1,115 +1,31 @@ #!/usr/sbin/nft -f -{% macro nat_rule(rule, config, chain) %} -{% set comment = '' %} -{% set base_log = '' %} - -{% if chain is vyos_defined('PREROUTING') %} -{% set comment = 'STATIC-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 ~ ' }' %} -{# we can now clear out the dst_addr part as it's already covered in aboves map #} -{% else %} -{% set dst_addr = 'ip daddr ' ~ config.destination.address if config.destination.address is vyos_defined %} -{% set trns_addr = 'dnat to ' ~ config.translation.address %} -{% endif %} -{% endif %} -{% elif chain is vyos_defined('POSTROUTING') %} -{% set comment = 'STATIC-NAT-' ~ rule %} -{% set base_log = '[NAT-SRC-' ~ rule %} -{% set interface = ' oifname "' ~ 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 = 'snat ip prefix to ip saddr map { ' ~ config.translation.address ~ ' : ' ~ config.destination.address ~ ' }' %} -{# we can now clear out the src_addr part as it's already covered in aboves map #} -{% else %} -{% set src_addr = 'ip saddr ' ~ config.translation.address if config.translation.address is vyos_defined %} -{% set trns_addr = 'snat to ' ~ config.destination.address %} -{% endif %} -{% endif %} -{% endif %} - -{% 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 %} - -{% 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 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 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 is vyos_defined %} -{% set trns_opts = trns_opts_port %} -{% endif %} - -{% set output = 'add rule ip vyos_static_nat ' ~ chain ~ interface %} - -{% if dst_addr is vyos_defined %} -{% set output = output ~ ' ' ~ dst_addr %} +{% if first_install is not vyos_defined %} +delete table ip vyos_static_nat {% endif %} -{% if src_addr is vyos_defined %} -{% set output = output ~ ' ' ~ src_addr %} -{% endif %} - -{# Count packets #} -{% 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 is vyos_defined %} -{% set log_output = output ~ ' log prefix "' ~ log ~ '" comment "' ~ comment ~ '"' %} -{% endif %} -{% if trns_addr is vyos_defined %} -{% set output = output ~ ' ' ~ trns_addr %} -{% endif %} - -{% if trns_opts is vyos_defined %} -{% set output = output ~ ' ' ~ trns_opts %} -{% endif %} -{% if comment is vyos_defined %} -{% set output = output ~ ' comment "' ~ comment ~ '"' %} -{% endif %} -{{ log_output if log_output is vyos_defined }} -{{ output }} -{% endmacro %} - -# Start with clean STATIC NAT chains -flush chain ip vyos_static_nat PREROUTING -flush chain ip vyos_static_nat POSTROUTING +table ip vyos_static_nat { + # + # Destination NAT rules build up here + # -{# NAT if enabled - add targets to nftables #} - -# -# Destination NAT rules build up here -# -add rule ip vyos_static_nat PREROUTING counter jump VYOS_PRE_DNAT_HOOK + chain PREROUTING { + type nat hook prerouting priority -100; policy accept; {% if static.rule is vyos_defined %} {% for rule, config in static.rule.items() if config.disable is not vyos_defined %} -{{ nat_rule(rule, config, 'PREROUTING') }} + {{ config | nat_static_rule(rule, 'destination') }} {% endfor %} {% endif %} -# -# Source NAT rules build up here -# -add rule ip vyos_static_nat POSTROUTING counter jump VYOS_PRE_SNAT_HOOK + } + + # + # Source NAT rules build up here + # + chain POSTROUTING { + type nat hook postrouting priority 100; policy accept; {% if static.rule is vyos_defined %} {% for rule, config in static.rule.items() if config.disable is not vyos_defined %} -{{ nat_rule(rule, config, 'POSTROUTING') }} + {{ config | nat_static_rule(rule, 'source') }} {% endfor %} {% endif %} + } +} diff --git a/data/templates/firewall/nftables-zone.j2 b/data/templates/firewall/nftables-zone.j2 new file mode 100644 index 000000000..17ef5101d --- /dev/null +++ b/data/templates/firewall/nftables-zone.j2 @@ -0,0 +1,78 @@ + +{% macro zone_chains(zone, state_policy=False, ipv6=False) %} +{% set fw_name = 'ipv6_name' if ipv6 else 'name' %} +{% set suffix = '6' if ipv6 else '' %} + chain VYOS_ZONE_FORWARD { + type filter hook forward priority 1; policy accept; +{% if state_policy %} + jump VYOS_STATE_POLICY{{ suffix }} +{% endif %} +{% for zone_name, zone_conf in zone.items() %} +{% if 'local_zone' not in zone_conf %} + oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }} +{% endif %} +{% endfor %} + } + chain VYOS_ZONE_LOCAL { + type filter hook input priority 1; policy accept; +{% if state_policy %} + jump VYOS_STATE_POLICY{{ suffix }} +{% endif %} +{% for zone_name, zone_conf in zone.items() %} +{% if 'local_zone' in zone_conf %} + counter jump VZONE_{{ zone_name }}_IN +{% endif %} +{% endfor %} + } + chain VYOS_ZONE_OUTPUT { + type filter hook output priority 1; policy accept; +{% if state_policy %} + jump VYOS_STATE_POLICY{{ suffix }} +{% endif %} +{% for zone_name, zone_conf in zone.items() %} +{% if 'local_zone' in zone_conf %} + counter jump VZONE_{{ zone_name }}_OUT +{% endif %} +{% endfor %} + } +{% for zone_name, zone_conf in zone.items() %} +{% if zone_conf.local_zone is vyos_defined %} + chain VZONE_{{ zone_name }}_IN { + iifname lo counter return +{% if zone_conf.from is vyos_defined %} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} +{% endif %} + {{ zone_conf | nft_default_rule('zone_' + zone_name) }} + } + chain VZONE_{{ zone_name }}_OUT { + oifname lo counter return +{% if zone_conf.from_local is vyos_defined %} +{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall[fw_name] is vyos_defined %} + oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }} + oifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} +{% endif %} + {{ zone_conf | nft_default_rule('zone_' + zone_name) }} + } +{% else %} + chain VZONE_{{ zone_name }} { + iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6) }} +{% if zone_conf.intra_zone_filtering is vyos_defined %} + iifname { {{ zone_conf.interface | join(",") }} } counter return +{% endif %} +{% if zone_conf.from is vyos_defined %} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %} +{% if zone[from_zone].local_zone is not defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endif %} +{% endfor %} +{% endif %} + {{ zone_conf | nft_default_rule('zone_' + zone_name) }} + } +{% endif %} +{% endfor %} +{% endmacro %} diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index 5971e1bbc..a0f0b8c11 100644 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -1,25 +1,48 @@ #!/usr/sbin/nft -f {% import 'firewall/nftables-defines.j2' as group_tmpl %} +{% import 'firewall/nftables-zone.j2' as zone_tmpl %} -{% if cleanup_commands is vyos_defined %} -{% for command in cleanup_commands %} -{{ command }} -{% endfor %} +{% if first_install is not vyos_defined %} +delete table ip vyos_filter {% endif %} - -table ip filter { -{% if first_install is vyos_defined %} +table ip vyos_filter { chain VYOS_FW_FORWARD { type filter hook forward priority 0; policy accept; +{% if state_policy is vyos_defined %} + jump VYOS_STATE_POLICY +{% endif %} +{% if interface is vyos_defined %} +{% for ifname, ifconf in interface.items() %} +{% if ifconf.in is vyos_defined and ifconf.in.name is vyos_defined %} + iifname {{ ifname }} counter jump NAME_{{ ifconf.in.name }} +{% endif %} +{% if ifconf.out is vyos_defined and ifconf.out.name is vyos_defined %} + oifname {{ ifname }} counter jump NAME_{{ ifconf.out.name }} +{% endif %} +{% endfor %} +{% endif %} jump VYOS_POST_FW } chain VYOS_FW_LOCAL { type filter hook input priority 0; policy accept; +{% if state_policy is vyos_defined %} + jump VYOS_STATE_POLICY +{% endif %} +{% if interface is vyos_defined %} +{% for ifname, ifconf in interface.items() %} +{% if ifconf.local is vyos_defined and ifconf.local.name is vyos_defined %} + iifname {{ ifname }} counter jump NAME_{{ ifconf.local.name }} +{% endif %} +{% endfor %} +{% endif %} jump VYOS_POST_FW } chain VYOS_FW_OUTPUT { type filter hook output priority 0; policy accept; +{% if state_policy is vyos_defined %} + jump VYOS_STATE_POLICY +{% endif %} jump VYOS_POST_FW } chain VYOS_POST_FW { @@ -29,7 +52,6 @@ table ip filter { type filter hook prerouting priority -450; policy accept; ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return } -{% endif %} {% if name is vyos_defined %} {% set ns = namespace(sets=[]) %} {% for name_text, conf in name.items() %} @@ -72,6 +94,10 @@ table ip filter { {{ group_tmpl.groups(group, False) }} +{% if zone is vyos_defined %} +{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, False) }} +{% endif %} + {% if state_policy is vyos_defined %} chain VYOS_STATE_POLICY { {% if state_policy.established is vyos_defined %} @@ -88,18 +114,46 @@ table ip filter { {% endif %} } -table ip6 filter { -{% if first_install is vyos_defined %} +{% if first_install is not vyos_defined %} +delete table ip6 vyos_filter +{% endif %} +table ip6 vyos_filter { chain VYOS_FW6_FORWARD { type filter hook forward priority 0; policy accept; +{% if state_policy is vyos_defined %} + jump VYOS_STATE_POLICY6 +{% endif %} +{% if interface is vyos_defined %} +{% for ifname, ifconf in interface.items() %} +{% if ifconf.in is vyos_defined and ifconf.in.ipv6_name is vyos_defined %} + iifname {{ ifname }} counter jump NAME6_{{ ifconf.in.ipv6_name }} +{% endif %} +{% if ifconf.out is vyos_defined and ifconf.out.ipv6_name is vyos_defined %} + oifname {{ ifname }} counter jump NAME6_{{ ifconf.out.ipv6_name }} +{% endif %} +{% endfor %} +{% endif %} jump VYOS_POST_FW6 } chain VYOS_FW6_LOCAL { type filter hook input priority 0; policy accept; +{% if state_policy is vyos_defined %} + jump VYOS_STATE_POLICY6 +{% endif %} +{% if interface is vyos_defined %} +{% for ifname, ifconf in interface.items() %} +{% if ifconf.local is vyos_defined and ifconf.local.ipv6_name is vyos_defined %} + iifname {{ ifname }} counter jump NAME6_{{ ifconf.local.ipv6_name }} +{% endif %} +{% endfor %} +{% endif %} jump VYOS_POST_FW6 } chain VYOS_FW6_OUTPUT { type filter hook output priority 0; policy accept; +{% if state_policy is vyos_defined %} + jump VYOS_STATE_POLICY6 +{% endif %} jump VYOS_POST_FW6 } chain VYOS_POST_FW6 { @@ -109,7 +163,6 @@ table ip6 filter { type filter hook prerouting priority -450; policy accept; exthdr frag exists meta mark set 0xffff1 return } -{% endif %} {% if ipv6_name is vyos_defined %} {% set ns = namespace(sets=[]) %} {% for name_text, conf in ipv6_name.items() %} @@ -122,7 +175,7 @@ table ip6 filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule(name_text) }} + {{ conf | nft_default_rule(name_text, ipv6=True) }} } {% endfor %} {% for set_name in ns.sets %} @@ -144,181 +197,22 @@ table ip6 filter { {{ group_tmpl.groups(group, True) }} +{% if zone is vyos_defined %} +{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, True) }} +{% endif %} + {% if state_policy is vyos_defined %} chain VYOS_STATE_POLICY6 { {% if state_policy.established is vyos_defined %} - {{ state_policy.established | nft_state_policy('established', ipv6=True) }} + {{ state_policy.established | nft_state_policy('established') }} {% endif %} {% if state_policy.invalid is vyos_defined %} - {{ state_policy.invalid | nft_state_policy('invalid', ipv6=True) }} + {{ state_policy.invalid | nft_state_policy('invalid') }} {% endif %} {% if state_policy.related is vyos_defined %} - {{ state_policy.related | nft_state_policy('related', ipv6=True) }} + {{ state_policy.related | nft_state_policy('related') }} {% endif %} return } {% endif %} } - -{% if first_install is vyos_defined %} -table ip nat { - chain PREROUTING { - type nat hook prerouting priority -100; policy accept; - counter jump VYOS_PRE_DNAT_HOOK - } - - chain POSTROUTING { - type nat hook postrouting priority 100; policy accept; - counter jump VYOS_PRE_SNAT_HOOK - } - - chain VYOS_PRE_DNAT_HOOK { - return - } - - chain VYOS_PRE_SNAT_HOOK { - return - } -} - -table ip vyos_static_nat { - chain PREROUTING { - type nat hook prerouting priority -100; policy accept; - counter jump VYOS_PRE_DNAT_HOOK - } - - chain POSTROUTING { - type nat hook postrouting priority 100; policy accept; - counter jump VYOS_PRE_SNAT_HOOK - } - - chain VYOS_PRE_DNAT_HOOK { - return - } - - chain VYOS_PRE_SNAT_HOOK { - return - } -} - -table ip6 nat { - chain PREROUTING { - type nat hook prerouting priority -100; policy accept; - counter jump VYOS_DNPT_HOOK - } - - chain POSTROUTING { - type nat hook postrouting priority 100; policy accept; - counter jump VYOS_SNPT_HOOK - } - - chain VYOS_DNPT_HOOK { - return - } - - chain VYOS_SNPT_HOOK { - return - } -} - -table inet mangle { - chain FORWARD { - type filter hook forward priority -150; policy accept; - } -} - -table raw { - chain VYOS_TCP_MSS { - type filter hook forward priority -300; policy accept; - } - - chain PREROUTING { - type filter hook prerouting priority -200; policy accept; - counter jump VYOS_CT_IGNORE - counter jump VYOS_CT_TIMEOUT - counter jump VYOS_CT_PREROUTING_HOOK - counter jump FW_CONNTRACK - notrack - } - - chain OUTPUT { - type filter hook output priority -200; policy accept; - counter jump VYOS_CT_IGNORE - counter jump VYOS_CT_TIMEOUT - counter jump VYOS_CT_OUTPUT_HOOK - counter jump FW_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 { - ct helper set "rpc_tcp" tcp dport {111} return - ct helper set "rpc_udp" udp dport {111} return - ct helper set "tns_tcp" tcp dport {1521,1525,1536} return - return - } - - chain VYOS_CT_IGNORE { - return - } - - chain VYOS_CT_TIMEOUT { - return - } - - chain VYOS_CT_PREROUTING_HOOK { - return - } - - chain VYOS_CT_OUTPUT_HOOK { - return - } - - chain FW_CONNTRACK { - accept - } -} - -table ip6 raw { - chain VYOS_TCP_MSS { - type filter hook forward priority -300; policy accept; - } - - chain PREROUTING { - type filter hook prerouting priority -300; policy accept; - counter jump VYOS_CT_PREROUTING_HOOK - counter jump FW_CONNTRACK - notrack - } - - chain OUTPUT { - type filter hook output priority -300; policy accept; - counter jump VYOS_CT_OUTPUT_HOOK - counter jump FW_CONNTRACK - notrack - } - - chain VYOS_CT_PREROUTING_HOOK { - return - } - - chain VYOS_CT_OUTPUT_HOOK { - return - } - - chain FW_CONNTRACK { - accept - } -} -{% endif %} |