diff options
Diffstat (limited to 'data/templates/conntrack')
-rw-r--r-- | data/templates/conntrack/nftables-ct.tmpl | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/data/templates/conntrack/nftables-ct.tmpl b/data/templates/conntrack/nftables-ct.tmpl new file mode 100644 index 000000000..c0fe5297d --- /dev/null +++ b/data/templates/conntrack/nftables-ct.tmpl @@ -0,0 +1,52 @@ +#!/usr/sbin/nft -f + +{% set nft_ct_ignore_name = 'VYOS_CT_IGNORE' %} +{% set nft_ct_timeout_name = 'VYOS_CT_TIMEOUT' %} + +# we first flush all chains and render the content from scratch - this makes +# any delta check obsolete +flush chain raw {{ nft_ct_ignore_name }} +flush chain raw {{ nft_ct_timeout_name }} + +table raw { + chain {{ nft_ct_ignore_name }} { +{% if ignore is defined and ignore.rule is defined and ignore.rule is not none %} +{% for rule, rule_config in ignore.rule.items() %} + # rule-{{ rule }} {{ '- ' ~ rule_config.description if rule_config.description is defined and rule_config.description is not none }} +{% set nft_command = '' %} +{% if rule_config.inbound_interface is defined and rule_config.inbound_interface is not none %} +{% set nft_command = nft_command ~ ' iifname ' ~ rule_config.inbound_interface %} +{% endif %} +{% if rule_config.protocol is defined and rule_config.protocol is not none %} +{% set nft_command = nft_command ~ ' ip protocol ' ~ rule_config.protocol %} +{% endif %} +{% if rule_config.destination is defined and rule_config.destination is not none %} +{% if rule_config.destination.address is defined and rule_config.destination.address is not none %} +{% set nft_command = nft_command ~ ' ip daddr ' ~ rule_config.destination.address %} +{% endif %} +{% if rule_config.destination.port is defined and rule_config.destination.port is not none %} +{% set nft_command = nft_command ~ ' ' ~ rule_config.protocol ~ ' dport { ' ~ rule_config.destination.port ~ ' }' %} +{% endif %} +{% endif %} +{% if rule_config.source is defined and rule_config.source is not none %} +{% if rule_config.source.address is defined and rule_config.source.address is not none %} +{% set nft_command = nft_command ~ ' ip saddr ' ~ rule_config.source.address %} +{% endif %} +{% if rule_config.source.port is defined and rule_config.source.port is not none %} +{% set nft_command = nft_command ~ ' ' ~ rule_config.protocol ~ ' sport { ' ~ rule_config.source.port ~ ' }' %} +{% endif %} +{% endif %} + {{ nft_command }} counter notrack comment ignore-{{ rule }} +{% endfor %} +{% endif %} + return + } + chain {{ nft_ct_timeout_name }} { +{% if timeout is defined and timeout.custom is defined and timeout.custom.rule is defined and timeout.custom.rule is not none %} +{% for rule, rule_config in timeout.custom.rule.items() %} + # rule-{{ rule }} {{ '- ' ~ rule_config.description if rule_config.description is defined and rule_config.description is not none }} +{% endfor %} +{% endif %} + return + } +} |