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{% macro conn(peer, peer_conf, ike_group, esp_group) %}
{% set name = peer.replace("@", "") | dot_colon_to_dash %}
{# peer needs to reference the global IKE configuration for certain values #}
{% set ike = ike_group[peer_conf.ike_group] %}
peer_{{ name }} {
proposals = {{ ike | get_esp_ike_cipher | join(',') }}
version = {{ ike.key_exchange[4:] if ike is defined and ike.key_exchange is defined else "0" }}
local_addrs = {{ peer_conf.local_address if peer_conf.local_address != 'any' else '0.0.0.0/0' }} # dhcp:{{ peer_conf.dhcp_interface if 'dhcp_interface' in peer_conf else 'no' }}
remote_addrs = {{ peer if peer not in ['any', '0.0.0.0'] and peer[0:1] != '@' else '0.0.0.0/0' }}
{% if peer_conf.authentication is defined and peer_conf.authentication.mode is defined and peer_conf.authentication.mode == 'x509' %}
send_cert = always
{% endif %}
{% if ike.dead_peer_detection is defined %}
dpd_timeout = {{ ike.dead_peer_detection.timeout }}
dpd_delay = {{ ike.dead_peer_detection.interval }}
{% endif %}
{% if ike.key_exchange is defined and ike.key_exchange == "ikev1" and ike.mode is defined and ike.mode == "aggressive" %}
aggressive = yes
{% endif %}
rekey_time = {{ ike.lifetime }}s
mobike = {{ "yes" if ike.mobike is not defined or ike.mobike == "enable" else "no" }}
{% if peer[0:1] == '@' %}
keyingtries = 0
reauth_time = 0
{% elif peer_conf.connection_type is not defined or peer_conf.connection_type == 'initiate' %}
keyingtries = 0
{% elif peer_conf.connection_type is defined and peer_conf.connection_type == 'respond' %}
keyingtries = 1
{% endif %}
{% if peer_conf.force_encapsulation is defined and peer_conf.force_encapsulation == 'enable' %}
encap = yes
{% endif %}
local {
{% if peer_conf.authentication is defined and peer_conf.authentication.id is defined and peer_conf.authentication.id is not none %}
id = "{{ peer_conf.authentication.id }}"
{% endif %}
auth = {{ 'psk' if peer_conf.authentication.mode == 'pre-shared-secret' else 'pubkey' }}
{% if peer_conf.authentication.mode == 'x509' %}
certs = {{ peer_conf.authentication.x509.certificate }}.pem
{% elif peer_conf.authentication.mode == 'rsa' %}
pubkeys = {{ peer_conf.authentication.rsa.local_key }}.pem
{% endif %}
}
remote {
{% if peer_conf.authentication is defined and peer_conf.authentication.remote_id is defined and peer_conf.authentication.remote_id is not none %}
id = "{{ peer_conf.authentication.remote_id }}"
{% else %}
id = "{{ peer }}"
{% endif %}
auth = {{ 'psk' if peer_conf.authentication.mode == 'pre-shared-secret' else 'pubkey' }}
{% if peer_conf.authentication.mode == 'rsa' %}
pubkeys = {{ peer_conf.authentication.rsa.remote_key }}.pem
{% endif %}
}
children {
{% if peer_conf.vti is defined and peer_conf.vti.bind is defined and peer_conf.tunnel is not defined %}
{% set vti_esp = esp_group[ peer_conf.vti.esp_group ] if peer_conf.vti.esp_group is defined else esp_group[ peer_conf.default_esp_group ] %}
peer_{{ name }}_vti {
esp_proposals = {{ vti_esp | get_esp_ike_cipher(ike) | join(',') }}
life_time = {{ vti_esp.lifetime }}s
local_ts = 0.0.0.0/0,::/0
remote_ts = 0.0.0.0/0,::/0
updown = "/etc/ipsec.d/vti-up-down {{ peer_conf.vti.bind }}"
{# The key defaults to 0 and will match any policies which similarly do not have a lookup key configuration. #}
{# Thus we simply shift the key by one to also support a vti0 interface #}
{% set if_id = peer_conf.vti.bind | replace('vti', '') | int +1 %}
if_id_in = {{ if_id }}
if_id_out = {{ if_id }}
ipcomp = {{ 'yes' if vti_esp.compression is defined and vti_esp.compression == 'enable' else 'no' }}
mode = {{ vti_esp.mode }}
{% if peer[0:1] == '@' %}
start_action = none
{% elif peer_conf.connection_type is not defined or peer_conf.connection_type == 'initiate' %}
start_action = start
{% elif peer_conf.connection_type == 'respond' %}
start_action = trap
{% endif %}
{% if ike.dead_peer_detection is defined %}
{% set dpd_translate = {'clear': 'clear', 'hold': 'trap', 'restart': 'start'} %}
dpd_action = {{ dpd_translate[ike.dead_peer_detection.action] }}
{% endif %}
}
{% elif peer_conf.tunnel is defined %}
{% for tunnel_id, tunnel_conf in peer_conf.tunnel.items() if tunnel_conf.disable is not defined %}
{% set tunnel_esp_name = tunnel_conf.esp_group if tunnel_conf.esp_group is defined else peer_conf.default_esp_group %}
{% set tunnel_esp = esp_group[tunnel_esp_name] %}
{% set proto = tunnel_conf.protocol if tunnel_conf.protocol is defined else '' %}
{% set local_port = tunnel_conf.local.port if tunnel_conf.local is defined and tunnel_conf.local.port is defined else '' %}
{% set local_suffix = '[{0}/{1}]'.format(proto, local_port) if proto or local_port else '' %}
{% set remote_port = tunnel_conf.remote.port if tunnel_conf.remote is defined and tunnel_conf.remote.port is defined else '' %}
{% set remote_suffix = '[{0}/{1}]'.format(proto, remote_port) if proto or remote_port else '' %}
peer_{{ name }}_tunnel_{{ tunnel_id }} {
esp_proposals = {{ tunnel_esp | get_esp_ike_cipher(ike) | join(',') }}
life_time = {{ tunnel_esp.lifetime }}s
{% if tunnel_esp.mode is not defined or tunnel_esp.mode == 'tunnel' %}
{% if tunnel_conf.local is defined and tunnel_conf.local.prefix is defined %}
{% set local_prefix = tunnel_conf.local.prefix if 'any' not in tunnel_conf.local.prefix else ['0.0.0.0/0', '::/0'] %}
local_ts = {{ local_prefix | join(local_suffix + ",") }}{{ local_suffix }}
{% endif %}
{% if tunnel_conf.remote is defined and tunnel_conf.remote.prefix is defined %}
{% set remote_prefix = tunnel_conf.remote.prefix if 'any' not in tunnel_conf.remote.prefix else ['0.0.0.0/0', '::/0'] %}
remote_ts = {{ remote_prefix | join(remote_suffix + ",") }}{{ remote_suffix }}
{% endif %}
{% elif tunnel_esp.mode == 'transport' %}
local_ts = {{ peer_conf.local_address }}{{ local_suffix }}
remote_ts = {{ peer }}{{ remote_suffix }}
{% endif %}
ipcomp = {{ 'yes' if tunnel_esp.compression is defined and tunnel_esp.compression == 'enable' else 'no' }}
mode = {{ tunnel_esp.mode }}
{% if peer[0:1] == '@' %}
start_action = none
{% elif peer_conf.connection_type is not defined or peer_conf.connection_type == 'initiate' %}
start_action = start
{% elif peer_conf.connection_type == 'respond' %}
start_action = trap
{% endif %}
{% if ike.dead_peer_detection is defined %}
{% set dpd_translate = {'clear': 'clear', 'hold': 'trap', 'restart': 'start'} %}
dpd_action = {{ dpd_translate[ike.dead_peer_detection.action] }}
{% endif %}
{% if peer_conf.vti is defined and peer_conf.vti.bind is defined %}
updown = "/etc/ipsec.d/vti-up-down {{ peer_conf.vti.bind }}"
{# The key defaults to 0 and will match any policies which similarly do not have a lookup key configuration. #}
{# Thus we simply shift the key by one to also support a vti0 interface #}
{% set if_id = peer_conf.vti.bind | replace('vti', '') | int +1 %}
if_id_in = {{ if_id }}
if_id_out = {{ if_id }}
{% endif %}
}
{% if tunnel_conf.passthrough is defined and tunnel_conf.passthrough %}
peer_{{ name }}_tunnel_{{ tunnel_id }}_passthough {
local_ts = {{ tunnel_conf.passthrough | join(",") }}
remote_ts = {{ tunnel_conf.passthrough | join(",") }}
start_action = trap
mode = pass
}
{% endif %}
{% endfor %}
{% endif %}
}
}
{% endmacro %}
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