--- /dev/null
+'use strict';
+'require fs';
+'require dom';
+'require view';
+'require form';
+'require ui';
+'require tools.widgets as widgets';
+
+var domparser = new DOMParser();
+var QRCODE_VARIABLES = ['KEY_BASE64', 'KEY', 'HMAC_KEY_BASE64', 'HMAC_KEY'];
+var INVALID_KEYS = ['__CHANGEME__', 'CHANGEME'];
+
+function setOptionValue(map, section_id, option, value) {
+ var option = L.toArray(map.lookupOption(option, section_id))[0];
+ var uiEl = option ? option.getUIElement(section_id) : null;
+ if (uiEl)
+ uiEl.setValue(value);
+}
+
+function lines(content) {
+ return content.split(/\r?\n/);
+}
+
+function parseKeys(content) {
+ var l = lines(content);
+ var keys = {};
+ for (var i = 0; i < l.length; i++) {
+ var p = l[i].split(/:(.*)/, 2);
+ if (p.length == 2)
+ keys[p[0].trim()] = p[1].trim();
+ }
+ return keys;
+}
+
+var KeyTypeValue = form.ListValue.extend({
+ __init__: function() {
+ this.super('__init__', arguments);
+ },
+
+ cfgvalue: function(section_id) {
+ for (var i = 0; i < this.keylist.length; i++) {
+ var value = this.map.data.get(
+ this.uciconfig || this.section.uciconfig || this.map.config,
+ this.ucisection || section_id,
+ this.keylist[i]
+ );
+ if (value)
+ return this.keylist[i];
+ }
+ return this.keylist[0];
+ },
+
+ remove: function() {
+ // Ignore
+ },
+
+ write: function() {
+ // Ignore
+ },
+});
+
+var YNValue = form.Flag.extend({
+ __init__: function() {
+ this.super('__init__', arguments);
+ this.enabled = 'Y';
+ this.disabled = 'N';
+ this.default = 'N';
+ },
+
+ cfgvalue: function(section_id) {
+ var value = this.super('cfgvalue', arguments);
+ return value ? String(value).toUpperCase() : value;
+ },
+
+ parse: function(section_id) {
+ var active = this.isActive(section_id),
+ cval = this.cfgvalue(section_id),
+ fval = active ? this.formvalue(section_id) : null;
+
+ if (String(fval).toUpperCase() != cval) {
+ if (fval == 'Y')
+ return Promise.resolve(this.write(section_id, fval));
+ else if (cval !== undefined)
+ return Promise.resolve(this.remove(section_id));
+ }
+ },
+});
+
+var QrCodeValue = form.DummyValue.extend({
+ __init__: function() {
+ this.super('__init__', arguments);
+ this.needsRefresh = {};
+
+ this.components = [];
+ QRCODE_VARIABLES.forEach(L.bind(function(option) {
+ this.components.push(option);
+ var dep = {};
+ dep[option] = /.+/;
+ this.depends(dep);
+ }, this));
+ },
+
+ cfgQrCode: function(section_id) {
+ var qr = [];
+ for (var i = 0; i < this.components.length; i++) {
+ var value = this.map.data.get(
+ this.uciconfig || this.section.uciconfig || this.map.config,
+ this.ucisection || section_id,
+ this.components[i]
+ );
+
+ if (value)
+ qr.push(this.components[i] + ':' + value);
+ }
+ return qr ? qr.join(' ') : null;
+ },
+
+ formQrCode: function(section_id) {
+ var qr = [];
+ for (var i = 0; i < this.components.length; i++) {
+ var value = null;
+
+ var uiEl = L.toArray(this.map.lookupOption(this.components[i], section_id))[0];
+ if (uiEl) {
+ if (uiEl.isActive(section_id))
+ value = uiEl.formvalue(section_id);
+ }
+
+ if (value)
+ qr.push(this.components[i] + ':' + value);
+ }
+ return qr ? qr.join(' ') : null;
+ },
+
+ onchange: function(ev, section_id) {
+ if (this.needsRefresh[section_id] !== undefined)
+ this.needsRefresh[section_id] = true;
+ else {
+ this.refresh(section_id);
+ }
+ },
+
+ refresh: function(section_id) {
+ var qrcode = this.formQrCode(section_id);
+ var formvalue = this.formvalue(section_id);
+ if (formvalue != qrcode) {
+ this.getUIElement(section_id).setValue(qrcode);
+ var uiEl = document.getElementById(this.cbid(section_id));
+ if (uiEl) {
+ var contentEl = uiEl.nextSibling;
+ if (contentEl.childNodes.length == 1) {
+ dom.append(contentEl, E('em', { 'class': 'spinning', }, [ _('Loading…') ]));
+ }
+
+ this.needsRefresh[section_id] = false;
+
+ // Render QR code
+ return this.renderSvg(qrcode)
+ .then(L.bind(function(svgEl) {
+ dom.content(contentEl, svgEl || E('div'));
+
+ var needsAnotherRefresh = this.needsRefresh[section_id];
+ delete this.needsRefresh[section_id];
+
+ if (needsAnotherRefresh) {
+ this.refresh(section_id);
+ }
+ }, this)).finally(L.bind(function() {
+ if (this.needsRefresh[section_id] === undefined) {
+ if (contentEl.childNodes.length == 2)
+ contentEl.removeChild(contentEl.lastChild);
+ delete this.needsRefresh[section_id];
+ }
+ }, this)).catch(L.error);
+ }
+ }
+ // Nothing to render
+ return Promise.resolve(null);
+ },
+
+ renderWidget: function(section_id) {
+ var qrcode = this.cfgQrCode(section_id);
+ return this.renderSvg(qrcode)
+ .then(L.bind(function(svgEl) {
+ var uiEl = new ui.Hiddenfield(qrcode, { id: this.cbid(section_id) });
+ return E([
+ uiEl.render(),
+ E('div', {}, svgEl || E('div'))
+ ]);
+ }, this));
+ },
+
+ qrEncodeSvg: function(qrcode) {
+ return fs.exec('/usr/bin/qrencode', ['--type', 'svg', '--inline', '-o', '-', qrcode])
+ .then(function(response) {
+ return response.stdout;
+ });
+ },
+
+ renderSvg: function(qrcode) {
+ if (qrcode)
+ return this.qrEncodeSvg(qrcode)
+ .then(function(rawsvg) {
+ return domparser.parseFromString(rawsvg, 'image/svg+xml')
+ .querySelector('svg');
+ });
+ else
+ return Promise.resolve(null);
+ },
+});
+
+var GenerateButton = form.Button.extend({
+ __init__: function() {
+ this.super('__init__', arguments);
+ this.onclick = L.bind(this.generateKeys, this);
+ this.keytypes = {};
+ },
+
+ keytype: function(key, regex) {
+ this.keytypes[key] = regex;
+ },
+
+ qrcode: function(option) {
+ this.qrcode = option;
+ },
+
+ generateKeys: function(ev, section_id) {
+ return fs.exec('/usr/sbin/fwknopd', ['--key-gen'])
+ .then(function(response) { return parseKeys(response.stdout); })
+ .then(L.bind(this.applyKeys, this, section_id))
+ .catch(L.error);
+ },
+
+ applyKeys: function(section_id, keys) {
+ for (var key in keys) {
+ setOptionValue(this.map, section_id, key, keys[key]);
+ for (var type in this.keytypes) {
+ if (this.keytypes[type].test(key))
+ setOptionValue(this.map, section_id, type, key);
+ }
+ }
+
+ // Force update of dependencies (element visibility)
+ this.map.checkDepends();
+
+ // Refresh QR code
+ var option = L.toArray(this.map.lookupOption(this.qrcode, section_id))[0];
+ if (option)
+ return option.refresh(section_id);
+ else
+ return Promise.resolve(null);
+ },
+
+});
+
+return view.extend({
+
+ render: function() {
+ var m, s, o;
+
+ m = new form.Map('fwknopd', _('Firewall Knock Operator Daemon'));
+
+ s = m.section(form.TypedSection, 'global', _('Enable Uci/Luci control'));
+ s.anonymous = true;
+ s.option(form.Flag, 'uci_enabled', _('Enable config overwrite'), _('When unchecked, the config files in /etc/fwknopd will be used as is, ignoring any settings here.'));
+
+ s = m.section(form.TypedSection, 'network', _('Network configuration'));
+ s.anonymous = true;
+ o = s.option(widgets.NetworkSelect, 'network', _('Network'), _('The network on which the daemon listens. The daemon \
+ is automatically started when the network is up-and-running. This option \
+ has precedence over “PCAP_INTF” option.'));
+ o.unpecified = true;
+ o.nocreate = true;
+ o.rmempty = true;
+
+ // set the access.conf settings
+ s = m.section(form.TypedSection, 'access', _('access.conf stanzas'));
+ s.anonymous = true;
+ s.addremove = true;
+
+ var qrCode = s.option(QrCodeValue, 'qr', _('QR code'), ('QR code to configure fwknopd Android application.'));
+
+ o = s.option(form.Value, 'SOURCE', 'SOURCE', _('The source address from which the SPA packet will be accepted. The string “ANY” is \
+ also accepted if a valid SPA packet should be honored from any source IP. \
+ Networks should be specified in CIDR notation (e.g. “192.168.10.0/24”), \
+ and individual IP addresses can be specified as well. Multiple entries \
+ are comma-separated.'));
+ o.validate = function(section_id, value) {
+ return String(value).length > 0 ? true : _('The source address has to be specified.');
+ }
+
+ s.option(form.Value, 'DESTINATION', 'DESTINATION', _('The destination address for which the SPA packet will be accepted. The \
+ string “ANY” is also accepted if a valid SPA packet should be honored to any \
+ destination IP. Networks should be specified in CIDR notation \
+ (e.g. “192.168.10.0/24”), and individual IP addresses can be specified as well. \
+ Multiple entries are comma-separated.'));
+
+ o = s.option(GenerateButton, 'keys', _('Generate keys'), _('Generates the symmetric key used for decrypting an incoming \
+ SPA packet, that is encrypted by the fwknop client with Rijndael block cipher, \
+ and HMAC authentication key used to verify the authenticity of the incoming SPA \
+ packet before the packet is decrypted.'));
+ o.inputtitle = _("Generate Keys");
+ o.keytype('keytype', /^KEY/);
+ o.keytype('hkeytype', /^HMAC_KEY/);
+ o.qrcode('qr');
+
+ o = s.option(form.Value, 'KEY', 'KEY', _('Define the symmetric key used for decrypting an incoming SPA \
+ packet that is encrypted by the fwknop client with Rijndael.'));
+ o.depends('keytype', 'KEY');
+ o.onchange = L.bind(qrCode.onchange, qrCode);
+ o.validate = function(section_id, value) {
+ return (String(value).length > 0 && !INVALID_KEYS.includes(value)) ? true : _('The symmetric key has to be specified.');
+ }
+
+ o = s.option(form.Value, 'KEY_BASE64', 'KEY_BASE64', _('Define the symmetric key (in Base64 encoding) used for \
+ decrypting an incoming SPA packet that is encrypted by the fwknop client \
+ with Rijndael.'));
+ o.depends('keytype', 'KEY_BASE64');
+ o.onchange = L.bind(qrCode.onchange, qrCode);
+ o.validate = function(section_id, value) {
+ return (String(value).length > 0 && !INVALID_KEYS.includes(value)) ? true : _('The symmetric key has to be specified.');
+ }
+
+ o = s.option(KeyTypeValue, 'keytype', _('Key type'));
+ o.value('KEY', _('Normal key'));
+ o.value('KEY_BASE64', _('Base64 key'));
+ o.onchange = L.bind(qrCode.onchange, qrCode);
+
+ o = s.option(form.Value, 'HMAC_KEY', 'HMAC_KEY', _('Define the HMAC authentication key used for verifying \
+ the authenticity of the SPA packet before the packet is decrypted.'));
+ o.depends('hkeytype', 'HMAC_KEY');
+ o.onchange = L.bind(qrCode.onchange, qrCode);
+ o.validate = function(section_id, value) {
+ return (String(value).length > 0 && !INVALID_KEYS.includes(value)) ? true : _('The HMAC authentication key has to be specified.');
+ }
+
+ o = s.option(form.Value, 'HMAC_KEY_BASE64', 'HMAC_KEY_BASE64', _('Define the HMAC authentication key \
+ (in Base64 encoding) used for verifying the authenticity of the SPA \
+ packet before the packet is decrypted.'));
+ o.depends('hkeytype', 'HMAC_KEY_BASE64');
+ o.onchange = L.bind(qrCode.onchange, qrCode);
+ o.validate = function(section_id, value) {
+ return (String(value).length > 0 && !INVALID_KEYS.includes(value)) ? true : _('The HMAC authentication key has to be specified.');
+ }
+
+ o = s.option(KeyTypeValue, 'hkeytype', _('HMAC key type'));
+ o.value('HMAC_KEY', _('Normal key'));
+ o.value('HMAC_KEY_BASE64', _('Base64 key'));
+ o.onchange = L.bind(qrCode.onchange, qrCode);
+
+ o = s.option(form.Value, 'OPEN_PORTS', 'OPEN_PORTS', _('Define a set of ports and protocols (tcp or udp) that will be opened if a valid knock sequence is seen. \
+ If this entry is not set, fwknopd will attempt to honor any proto/port request specified in the SPA data \
+ (unless of it matches any “RESTRICT_PORTS” entries). Multiple entries are comma-separated.'));
+ o.placeholder = "protocol/port,...";
+
+ o = s.option(form.Value, 'RESTRICT_PORTS', 'RESTRICT_PORTS', _('Define a set of ports and protocols (tcp or udp) that are explicitly not allowed \
+ regardless of the validity of the incoming SPA packet. Multiple entries are comma-separated.'));
+ o.placeholder = "protocol/port,...";
+
+ o = s.option(form.Value, 'FW_ACCESS_TIMEOUT', 'FW_ACCESS_TIMEOUT', _('Define the length of time access will be granted by fwknopd through the firewall after a \
+ valid knock sequence from a source IP address. If “FW_ACCESS_TIMEOUT” is not set then the default \
+ timeout of 30 seconds will automatically be set.'));
+ o.placeholder = "30";
+
+ s.option(YNValue, 'REQUIRE_SOURCE_ADDRESS', 'REQUIRE_SOURCE_ADDRESS', _('Force all SPA packets to contain a real IP address within the encrypted data. \
+ This makes it impossible to use the -s command line argument on the fwknop client command line, so either -R \
+ has to be used to automatically resolve the external address (if the client behind a NAT) or the client must \
+ know the external IP and set it via the -a argument.'));
+
+ s = m.section(form.TypedSection, 'config', _('fwknopd.conf config options'));
+ s.anonymous=true;
+ s.option(form.Value, 'MAX_SPA_PACKET_AGE', 'MAX_SPA_PACKET_AGE', _('Maximum age in seconds that an SPA packet will be accepted. Defaults to 120 seconds.'));
+ s.option(form.Value, 'PCAP_INTF', 'PCAP_INTF', _('Specify the ethernet interface on which fwknopd will sniff packets.'));
+ s.option(YNValue, 'ENABLE_IPT_FORWARDING', 'ENABLE_IPT_FORWARDING', _('Allow SPA clients to request access to services through an iptables firewall instead of just to it.'));
+ s.option(YNValue, 'ENABLE_NAT_DNS', 'ENABLE_NAT_DNS', _('Allow SPA clients to request forwarding destination by DNS name.'));
+
+ return m.render();
+ }
+});
+++ /dev/null
--- Copyright 2015 Jonathan Bennett <jbennett@incomsystems.biz>
--- Licensed to the public under the GNU General Public License v2.
-tmp = 0
-m = Map("fwknopd", translate("Firewall Knock Operator"))
-
-s = m:section(TypedSection, "global", translate("Enable Uci/Luci control")) -- Set uci control on or off
-s.anonymous=true
-s:option(Flag, "uci_enabled", translate("Enable config overwrite"), translate("When unchecked, the config files in /etc/fwknopd will be used as is, ignoring any settings here."))
-
-s = m:section(TypedSection, "access", translate("access.conf stanzas")) -- set the access.conf settings
-s.anonymous=true
-s.addremove=true
-qr = s:option(DummyValue, "note0", "dummy")
-qr.tmp = tmp
-qr.template = "fwknopd-qr"
-qr:depends("uci_enabled", "1")
-s:option(Value, "SOURCE", "SOURCE", translate("Use ANY for any source IP"))
-k1 = s:option(Value, "KEY", "KEY", translate("Define the symmetric key used for decrypting an incoming SPA packet that is encrypted by the fwknop client with Rijndael."))
-k1:depends("keytype", translate("Normal Key"))
-k2 = s:option(Value, "KEY_BASE64", "KEY_BASE64", translate("Define the symmetric key used for decrypting an incoming SPA \
- packet that is encrypted by the fwknop client with Rijndael."))
-k2:depends("keytype", translate("Base64 key"))
-l1 = s:option(ListValue, "keytype", "Key type")
-l1:value("Normal Key", "Normal Key")
-l1:value("Base64 key", "Base64 key")
-k3 = s:option(Value, "HMAC_KEY", "HMAC_KEY", "The hmac key")
-k3:depends("hkeytype", "Normal Key")
-k4 = s:option(Value, "HMAC_KEY_BASE64", "HMAC_KEY_BASE64", translate("The base64 hmac key"))
-k4:depends("hkeytype", "Base64 key")
-l2 = s:option(ListValue, "hkeytype", "HMAC Key type")
-l2:value("Normal Key", "Normal Key")
-l2:value("Base64 key", "Base64 key")
-s:option(Value, "OPEN_PORTS", "OPEN_PORTS", translate("Define a set of ports and protocols (tcp or udp) that will be opened if a valid knock sequence is seen. \
- If this entry is not set, fwknopd will attempt to honor any proto/port request specified in the SPA data \
- (unless of it matches any “RESTRICT_PORTS” entries). Multiple entries are comma-separated."))
-s:option(Value, "FW_ACCESS_TIMEOUT", "FW_ACCESS_TIMEOUT", translate("Define the length of time access will be granted by fwknopd through the firewall after a \
- valid knock sequence from a source IP address. If “FW_ACCESS_TIMEOUT” is not set then the default \
- timeout of 30 seconds will automatically be set."))
-s:option(Value, "REQUIRE_SOURCE_ADDRESS", "REQUIRE_SOURCE_ADDRESS", translate("Force all SPA packets to contain a real IP address within the encrypted data. \
- This makes it impossible to use the -s command line argument on the fwknop client command line, so either -R \
- has to be used to automatically resolve the external address (if the client behind a NAT) or the client must \
- know the external IP and set it via the -a argument."))
-
-s = m:section(TypedSection, "config", translate("fwknopd.conf config options"))
-s.anonymous=true
-s:option(Value, "MAX_SPA_PACKET_AGE", "MAX_SPA_PACKET_AGE", translate("Maximum age in seconds that an SPA packet will be accepted. Defaults to 120 seconds."))
-s:option(Value, "PCAP_INTF", "PCAP_INTF", translate("Specify the ethernet interface on which fwknopd will sniff packets."))
-s:option(Value, "ENABLE_IPT_FORWARDING", "ENABLE_IPT_FORWARDING", translate("Allow SPA clients to request access to services through an iptables firewall instead of just to it."))
-s:option(Value, "ENABLE_NAT_DNS", "ENABLE_NAT_DNS", translate("Allow SPA clients to request forwarding destination by DNS name."))
-
-return m
-