From 11b5636519b360074eb2877006f2d8d63d9f6610 Mon Sep 17 00:00:00 2001
From: sarthurdev <965089+sarthurdev@users.noreply.github.com>
Date: Mon, 14 Jun 2021 13:04:04 +0200
Subject: ipsec: T2816: T645: T3613: Migrated IPsec to swanctl, includes
 multiple selectors, and selectors with VTI.

---
 data/templates/ipsec/swanctl/peer.tmpl    | 136 ++++++++++++++++++++++++++++++
 data/templates/ipsec/swanctl/profile.tmpl |  34 ++++++++
 2 files changed, 170 insertions(+)
 create mode 100644 data/templates/ipsec/swanctl/peer.tmpl
 create mode 100644 data/templates/ipsec/swanctl/profile.tmpl

(limited to 'data/templates/ipsec/swanctl')

diff --git a/data/templates/ipsec/swanctl/peer.tmpl b/data/templates/ipsec/swanctl/peer.tmpl
new file mode 100644
index 000000000..0d01cd546
--- /dev/null
+++ b/data/templates/ipsec/swanctl/peer.tmpl
@@ -0,0 +1,136 @@
+{% macro conn(name, peer, peer_conf, ike, esp, ciphers, esp_group, auth_type, marks) %}
+    peer_{{ name }} {
+        proposals = {{ ciphers.ike[peer_conf.ike_group] }}
+        version = {{ ike['key_exchange'][4:] if "key_exchange" in ike 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.mode == 'x509' %}
+        send_cert = always
+{%    endif %}
+{%    if "dead_peer_detection" in ike %}
+        dpd_timeout = {{ ike.dead_peer_detection.timeout }}
+        dpd_delay = {{ ike.dead_peer_detection.interval }}
+{%    endif %}
+{%    if "key_exchange" in ike and ike.key_exchange == "ikev1" and "mode" in ike and ike.mode == "aggressive" %}
+        aggressive = yes
+{%    endif %}
+        mobike = {{ "yes" if "mobike" not in ike or ike.mobike == "enable" else "no" }}
+{%    if peer[0:1] == '@' %}
+        keyingtries = 0
+        rekey_time = 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.id is defined and peer_conf.authentication.use_x509_id is not defined %}
+            id = "{{ peer_conf.authentication.id }}"
+{%    endif %}
+{%    if auth_type %}
+            auth = {{ auth_type }}
+{%    endif %}
+{%    if peer_conf.authentication.mode == 'x509' %}
+            certs = {{ peer_conf.authentication.x509.cert_file }}
+{%    elif peer_conf.authentication.mode == 'rsa' %}
+            pubkeys = localhost.pub
+{%    endif %}
+        }
+        remote {
+{%    if peer_conf.authentication.remote_id is defined %}
+            id = "{{ peer_conf.authentication.remote_id }}"
+{%    elif peer[0:1] == '@' %}
+            id = "{{ peer }}"
+{%    endif %}
+{%    if auth_type %}
+            auth = {{ auth_type }}
+{%    endif %}
+{%    if peer_conf.authentication.mode == 'rsa' %}
+            pubkeys = {{ peer_conf.authentication.rsa_key_name }}.pub
+{%    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 None %}
+            peer_{{ name }}_vti {
+                esp_proposals = {{ ciphers.esp[peer_conf.vti.esp_group] }}
+                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 }} {{ peer_conf.dhcp_interface if peer_conf.dhcp_interface is defined else 'no' }}"
+                mark_in = {{ marks[peer_conf.vti.bind] }}
+                mark_out = {{ marks[peer_conf.vti.bind] }}
+                ipcomp = {{ 'yes' if "compression" in vti_esp and vti_esp.compression == 'enable' else 'no' }}
+                mode = {{ vti_esp.mode if "mode" in vti_esp else "tunnel" }}
+{%        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 "dead_peer_detection" in ike %}
+{%            set dpd_translate = {'clear': 'clear', 'hold': 'trap', 'restart': 'start'} %}
+                dpd_action = {{ dpd_translate[ike.dead_peer_detection.action] }}
+{%        endif %}
+            }
+{%    endif %}
+{%    if 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 "esp_group" in tunnel_conf else peer_conf.default_esp_group %}
+{%            set tunnel_esp = esp_group[tunnel_esp_name] %}
+{%            set proto = tunnel_conf.protocol if "protocol" in tunnel_conf 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 = {{ ciphers.esp[tunnel_esp_name] }}
+{%            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 "compression" in tunnel_esp and tunnel_esp.compression == 'enable' else 'no' }}
+                mode = {{ tunnel_esp.mode if "mode" in tunnel_esp else "tunnel" }}
+{%            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 "dead_peer_detection" in ike %}
+{%                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 }} {{ peer_conf.dhcp_interface if peer_conf.dhcp_interface is defined else 'no' }}"
+                mark_in = {{ marks[peer_conf.vti.bind] }}
+                mark_out = {{ marks[peer_conf.vti.bind] }}
+{%            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 %}
diff --git a/data/templates/ipsec/swanctl/profile.tmpl b/data/templates/ipsec/swanctl/profile.tmpl
new file mode 100644
index 000000000..e4b36b99f
--- /dev/null
+++ b/data/templates/ipsec/swanctl/profile.tmpl
@@ -0,0 +1,34 @@
+{% macro conn(name, profile_conf, ike, esp, ciphers) %}
+{% for interface in profile_conf.bind.tunnel %}
+    dmvpn-{{ name }}-{{ interface }} {
+        proposals = {{ ciphers.ike[profile_conf.ike_group] }}
+        version = {{ ike.key_exchange[4:] if "key_exchange" in ike else "0" }}
+        rekey_time = {{ ike.lifetime if 'lifetime' in ike else '28800' }}s
+        keyingtries = 0
+{%    if profile_conf.authentication.mode == 'pre-shared-secret' %}
+        local {
+            auth = psk
+        }
+        remote {
+            auth = psk
+        }
+{%    endif %}
+        children {
+            dmvpn {
+                esp_proposals = {{ ciphers.esp[profile_conf.esp_group] }}
+                rekey_time = {{ esp.lifetime if 'lifetime' in esp else '3600' }}s
+                rand_time = 540s
+                local_ts = dynamic[gre]
+                remote_ts = dynamic[gre]
+                mode = {{ esp.mode if "mode" in esp else "transport" }}
+{%    if 'dead_peer_detection' in ike and 'action' in ike.dead_peer_detection %}
+                dpd_action = {{ ike.dead_peer_detection.action }}
+{%    endif %}
+{%    if 'compression' in esp and esp['compression'] == 'enable' %}
+                ipcomp = yes
+{%    endif %}
+            }
+        }
+    }
+{% endfor %}
+{% endmacro %}
-- 
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