luci-app-strongswan-ipsec: add package

Signed-off-by: Nicholas Smith <nicholas@nbembedded.com>

5 files changed, 255 insertions, 0 deletions

diff --git a/applications/luci-app-strongswan-ipsec/Makefile b/applications/luci-app-strongswan-ipsec/Makefile
new file mode 100644
index 0000000000..5dbbe2124f
--- /dev/null
+++ b/applications/luci-app-strongswan-ipsec/Makefile
@@ -0,0 +1,15 @@
+# Copyright 2021 Nicholas Smith (nicholas@nbembedded.com)
+# This is free software, licensed under the GNU General Public License v2.
+
+include $(TOPDIR)/rules.mk
+
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_MAINTAINER:=Nicholas Smith <nicholas@nbembedded.com>
+
+LUCI_TITLE:=LuCI support for IPSec via Strongswan
+LUCI_DESCRIPTION:=Allows configuration of Strongswan IPSec settings
+LUCI_DEPENDS:=+strongswan-ipsec
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature
diff --git a/applications/luci-app-strongswan-ipsec/htdocs/luci-static/resources/view/ipsec.js b/applications/luci-app-strongswan-ipsec/htdocs/luci-static/resources/view/ipsec.js
new file mode 100644
index 0000000000..53acf71e8e
--- /dev/null
+++ b/applications/luci-app-strongswan-ipsec/htdocs/luci-static/resources/view/ipsec.js
@@ -0,0 +1,168 @@
+'use strict';
+'require view';
+'require form';
+'require tools.widgets as widgets';
+
+return view.extend({
+    render: function() {
+        var m, s, o;
+
+        m = new form.Map('ipsec',
+        _('IPsec Configuration'),
+        _("Configure IPsec for secure VPN connections."));
+
+        // IPsec General Settings
+        s = m.section(form.TypedSection, 'ipsec', _('IPsec General Settings'));
+        s.anonymous = true;
+
+        o = s.option(widgets.ZoneSelect, 'zone', _('Zone'), _('Firewall zone that has to match the defined firewall zone'));
+        o.default = 'lan';
+        o.multiple = true;
+
+        o = s.option(widgets.NetworkSelect, 'listen', _('Listen Interfaces'), _('Interfaces that accept VPN traffic'));
+        o.datatype = 'interface';
+        o.placeholder = _('Select an interface or leave empty for all interfaces');
+        o.default = 'wan';
+        o.multiple = true;
+
+        o = s.option(form.Value, 'debug', _('Debug Level'), _('Logs written to /var/log/charon.log'));
+        o.default = '0';
+        o.datatype = "uinteger";
+
+        // Remote Configuration
+        s = m.section(form.TypedSection, 'remote', _('Remote Configuration'));
+        s.anonymous = false;
+
+        o = s.option(form.Flag, 'enabled', _('Enabled'), _('Configuration is enabled or not'));
+
+        o = s.option(form.Value, 'gateway', _('Gateway (Remote Endpoint)'), _('Public IP address or FQDN name of the tunnel remote endpoint'));
+        o.datatype = 'or(hostname,ipaddr)';
+
+        o = s.option(form.Value, 'local_gateway', _('Local Gateway'), _('IP address or FQDN of the tunnel local endpoint'));
+        o.datatype = 'or(hostname,ipaddr)';
+
+        o = s.option(form.Value, 'local_sourceip', _('Local Source IP'), _('Virtual IP(s) to request in IKEv2 configuration payloads requests'));
+        o.datatype = 'ipaddr';
+
+        o = s.option(form.Value, 'local_ip', _('Local IP'), _('Local address(es) to use in IKE negotiation'));
+        o.datatype = 'ipaddr';
+
+        o = s.option(form.Value, 'local_identifier', _('Local Identifier'), _('Local identifier for IKE (phase 1)'));
+        o.datatype = 'string';
+        o.placeholder = "C=US, O=Acme Corporation, CN=headquarters"
+
+        o = s.option(form.Value, 'remote_identifier', _('Remote Identifier'), _('Remote identifier for IKE (phase 1)'));
+        o.datatype = 'string';
+        o.placeholder = "C=US, O=Acme Corporation, CN=soho"
+
+        o = s.option(form.ListValue, 'authentication_method', _('Authentication Method'), _('IKE authentication (phase 1).'));
+        o.value('psk', "Pre-shared Key");
+        o.value('pubkey', "Public Key");
+        o.required = true;
+
+        o = s.option(form.Value, 'pre_shared_key', _('Pre-Shared Key'), _('The pre-shared key for the tunnel if authentication is psk'));
+        o.datatype = 'string';
+        o.password = true;
+        o.depends('authentication_method', 'psk');
+
+        o = s.option(form.Flag, 'mobike', _('MOBIKE'), _('MOBIKE (IKEv2 Mobility and Multihoming Protocol)'));
+        o.default = '1';
+
+        o = s.option(form.ListValue, 'fragmentation', _('IKE Fragmentation'), _('Use IKE fragmentation (yes, no, force, accept)'));
+        o.value('yes');
+        o.value('no');
+        o.value('force');
+        o.value('accept')
+        o.default = 'yes';
+
+        o = s.option(form.ListValue, 'crypto_proposal', _('Crypto Proposal'), _('List of IKE (phase 1) proposals to use for authentication'));
+        o.value('encryption_algorithm');
+        o.value('hash_algorithm');
+        o.value('dh_group');
+        o.value('prf_algorithm');
+
+        o = s.option(form.Value, 'tunnel', _('Tunnel'), _('Name of ESP/AH (phase 2) section'));
+        o.required = true
+
+        o = s.option(form.Value, 'authentication_method', _('Authentication Method'), _('IKE authentication (phase 1)'));
+        o.datatype = 'string';
+
+        s = m.section(form.TypedSection, 'ipsec', _('IPsec General Settings'));
+        s.anonymous = true;
+
+        o = s.option(form.ListValue, 'encryption_algorithm', _('Encryption Algorithm'), _('Encryption method (aes128, aes192, aes256, 3des)'));
+        o.value('aes128');
+        o.value('aes192');
+        o.value('aes256');
+        o.value('3des');
+        o.required = true
+
+        o = s.option(form.ListValue, 'hash_algorithm', _('Hash Algorithm'), _('Hash algorithm (md5, sha1, sha2, ...)'));
+        o.value('md5');
+        o.value('sha1');
+        o.value('sha2');
+        o.value('sha256');
+        o.value('sha384');
+        o.value('sha512');
+        o.value('sha3_256');
+        o.value('sha3_384');
+        o.value('sha3_512');
+        o.value('blake2s256');
+        o.value('blake2b512');
+        o.value('blake2s256');
+        o.value('blake2b512');
+        o.value('whirlpool');
+        o.value('tiger');
+        o.required = true
+
+        o = s.option(form.ListValue, 'dh_group', _('Diffie-Hellman Group'), _('Diffie-Hellman exponentiation (modp768, modp1024, ...)'));
+        o.value('modp768');
+        o.value('modp1024');
+        o.value('modp1536');
+        o.value('modp2048');
+        o.value('modp3072');
+        o.value('modp4096');
+        o.required = true
+
+        o = s.option(form.ListValue, 'prf_algorithm', _('PRF Algorithm'), _('Pseudo-Random Functions to use with IKE'));
+        o.value('prf_hmac_md5');
+        o.value('prfmd5')
+        o.value('prfsha1')
+        o.value('prfsha256')
+        o.value('pfsha384')
+        o.value('prfsha512')
+
+        // Tunnel Configuration
+        s = m.section(form.TypedSection, 'tunnel', _('Tunnel Configuration'));
+        s.anonymous = false;
+
+        o = s.option(form.Value, 'local_subnet', _('Local Subnet'), _('Local network(s)'));
+        o.placeholder = "192.168.1.1/24"
+        o.required = true
+
+        o = s.option(form.Value, 'remote_subnet', _('Remote Subnet'), _('Remote network(s)'));
+        o.placeholder = "192.168.2.1/24"
+        o.required = true
+
+        o = s.option(form.Value, 'local_nat', _('Local NAT'), _('NAT range for tunnels with overlapping IP addresses'));
+        o.datatype = 'subnet';
+
+        o = s.option(form.ListValue, 'crypto_proposal', _('Crypto Proposal (Phase 2)'), _('List of ESP (phase two) proposals'));
+        o.value('encryption_algorithm');
+        o.value('hash_algorithm');
+        o.value('dh_group');
+        o.value('prf_algorithm');
+        o.required = true
+
+        o = s.option(form.ListValue, 'startaction', _('Start Action'), _('Action on initial configuration load'));
+        o.value('none');
+        o.value('start');
+        o.value('route');
+        o.default = 'route';
+
+        o = s.option(form.Value, 'updown', _('Up/Down Script Path'), _('Path to script to run on CHILD_SA up/down events'));
+        o.datatype = 'filepath';
+
+        return m.render();
+    }
+});
diff --git a/applications/luci-app-strongswan-ipsec/root/etc/config/ipsec b/applications/luci-app-strongswan-ipsec/root/etc/config/ipsec
new file mode 100644
index 0000000000..20ef4dd84d
--- /dev/null
+++ b/applications/luci-app-strongswan-ipsec/root/etc/config/ipsec
@@ -0,0 +1,46 @@
+config 'ipsec'
+  # useful so traffic isn't sourced from internal addresses,
+  # which would then requiring NATting and port 4500, etc.
+  list 'interface' 'wan'
+  option 'zone' 'lan'
+
+config 'remote' 'acme'
+  option 'enabled' '0'
+  # address of wan device
+  option 'local_ip' '6.6.6.6'
+  # peer has routable DHCP'd address which changes
+  option 'gateway' 'acme.example.com'
+  option 'authentication_method' 'psk'
+  option 'local_identifier' 'C=US, O=Acme Corporation, CN=headquarters'
+  option 'remote_identifier' 'C=US, O=Acme Corporation, CN=soho'
+  option 'local_cert' 'headquarters.crt'
+  option 'local_key' 'headquarters.key'
+  option 'ca_cert' 'acme.crt'
+  option 'rekeytime' '4h'
+  option 'keyingretries' '0'
+  option 'mobike' '0'
+  option 'fragmentation' '1'
+  list   'crypto_proposal' 'ike_proposal'
+  list   'tunnel' 'tun_soho'
+
+config 'crypto_proposal' 'ike_proposal'
+  option 'encryption_algorithm' 'aes256gcm'
+  # no hash_algorithm allowed with AEAD
+  option 'dh_group' 'modp3072'
+  option prf_algorithm 'prfsha512'
+
+# we don't specify subnets because we're going to use XFRM-interfaced based routes instead
+config 'tunnel' 'tun_soho'
+  list   'local_subnet' '0.0.0.0/0'
+  list   'remote_subnet' '0.0.0.0/0'
+  option 'if_id' '357'
+  option 'rekeytime' '1h'
+  # other end is behind NAT or we'd use 'route' to initiate
+  option 'startaction' 'none'
+  option 'closeaction' 'none'
+  list   'crypto_proposal' 'esp_proposal'
+
+config 'crypto_proposal' 'esp_proposal'
+  option 'encryption_algorithm' 'aes256gcm'
+  # no hash_algorithm with allowed with AEAD
+  option 'dh_group' 'modp3072'
\ No newline at end of file
diff --git a/applications/luci-app-strongswan-ipsec/root/usr/share/luci/menu.d/luci-app-strongswan-ipsec.json b/applications/luci-app-strongswan-ipsec/root/usr/share/luci/menu.d/luci-app-strongswan-ipsec.json
new file mode 100644
index 0000000000..8fc3e9c8c2
--- /dev/null
+++ b/applications/luci-app-strongswan-ipsec/root/usr/share/luci/menu.d/luci-app-strongswan-ipsec.json
@@ -0,0 +1,15 @@
+{
+	"admin/vpn/strongswan-ipsec": {
+		"title": "Strongswan IPSec",
+		"order": 90,
+		"action": {
+			"type": "view",
+			"path": "strongswan-ipsec"
+		},
+		"depends": {
+			"acl": [
+				"luci-app-strongswan-ipsec"
+			]
+		}
+	}
+}
diff --git a/applications/luci-app-strongswan-ipsec/root/usr/share/rpcd/acl.d/luci-app-strongswan-ipsec.json b/applications/luci-app-strongswan-ipsec/root/usr/share/rpcd/acl.d/luci-app-strongswan-ipsec.json
new file mode 100644
index 0000000000..3b940b8281
--- /dev/null
+++ b/applications/luci-app-strongswan-ipsec/root/usr/share/rpcd/acl.d/luci-app-strongswan-ipsec.json
@@ -0,0 +1,11 @@
+{
+	"luci-app-strongswan-ipsec": {
+		"description": "Grant access to luci-app-strongswan-ipsec",
+		"read": {
+			"uci": [ "ipsec" ]
+		},
+		"write": {
+			"uci": [ "ipsec" ]
+		}
+	}
+}