--- /dev/null
+'use strict';
+'require ui';
+'require rpc';
+'require uci';
+'require form';
+'require tools.firewall as fwtool';
+'require tools.widgets as widgets';
+
+function fmt(fmtstr, args) {
+ var repl = [], wrap = false;
+ var tokens = [];
+
+ for (var i = 0, last = 0; i <= fmtstr.length; i++) {
+ if (fmtstr.charAt(i) == '%' && fmtstr.charAt(i + 1) == '{') {
+ if (i > last)
+ tokens.push(fmtstr.substring(last, i));
+
+ var j = i + 1, nest = 0;
+
+ var subexpr = [];
+
+ for (var off = j + 1, esc = false; j <= fmtstr.length; j++) {
+ if (esc) {
+ esc = false;
+ }
+ else if (fmtstr.charAt(j) == '\\') {
+ esc = true;
+ }
+ else if (fmtstr.charAt(j) == '{') {
+ nest++;
+ }
+ else if (fmtstr.charAt(j) == '}') {
+ if (--nest == 0) {
+ subexpr.push(fmtstr.substring(off, j));
+ break;
+ }
+ }
+ else if (fmtstr.charAt(j) == '?' || fmtstr.charAt(j) == ':') {
+ if (nest == 1) {
+ subexpr.push(fmtstr.substring(off, j));
+ subexpr.push(fmtstr.charAt(j));
+ off = j + 1;
+ }
+ }
+ }
+
+ var varname = subexpr[0].trim(),
+ op1 = (subexpr[1] != null) ? subexpr[1] : '?',
+ if_set = (subexpr[2] != null && subexpr[2] != '') ? subexpr[2] : '%{' + varname + '}',
+ op2 = (subexpr[3] != null) ? subexpr[3] : ':',
+ if_unset = (subexpr[4] != null) ? subexpr[4] : '';
+
+ /* Invalid expression */
+ if (nest != 0 || subexpr.length > 5 || varname == '' || op1 != '?' || op2 != ':')
+ return fmtstr;
+
+ if (subexpr.length == 1)
+ tokens.push(args[varname] != null ? args[varname] : '');
+ else if (args[varname] != null)
+ tokens.push(fmt(if_set.replace(/\\(.)/g, '$1'), args));
+ else
+ tokens.push(fmt(if_unset.replace(/\\(.)/g, '$1'), args));
+
+ last = j + 1;
+ i = last;
+ }
+ else if (i >= fmtstr.length) {
+ if (i > last)
+ tokens.push(fmtstr.substring(last, i));
+ }
+ }
+
+ for (var i = 0; i < tokens.length; i++)
+ if (typeof(tokens[i]) == 'object')
+ return E('span', {}, tokens);
+
+ return tokens.join('');
+}
+
+function snat_proto_txt(s) {
+ var m = uci.get('firewall', s, 'mark'),
+ p = uci.get('firewall', s, 'proto');
+
+ return fmt(_('Match %{protocol?%{family} %{protocol} traffic:any %{family} traffic} %{mark?with firewall mark %{mark}}'), {
+ protocol: (p && p != 'all' && p != 'any' && p != '*') ? fwtool.fmt_proto(uci.get('firewall', s, 'proto')) : null,
+ family: fwtool.fmt_family('ipv4'),
+ mark: m ? E('var', {}, fwtool.fmt_neg(m)) : null
+ });
+}
+
+function snat_src_txt(s) {
+ return fmt(_('From %{ipaddr?:any host} %{port?with source %{port}}'), {
+ ipaddr: fwtool.fmt_ip(uci.get('firewall', s, 'src_ip')),
+ port: fwtool.fmt_port(uci.get('firewall', s, 'src_port'))
+ });
+}
+
+function snat_dest_txt(s) {
+ var z = uci.get('firewall', s, 'src'),
+ d = uci.get('firewall', s, 'device');
+
+ return fmt(_('To %{ipaddr?:any destination} %{port?at %{port}} %{zone?via zone %{zone}} %{device?egress device %{device}}'), {
+ port: fwtool.fmt_port(uci.get('firewall', s, 'dest_port')),
+ ipaddr: fwtool.fmt_ip(uci.get('firewall', s, 'dest_ip')),
+ zone: (z != '*') ? fwtool.fmt_zone(z) : null,
+ device: d ? E('var', {}, [d]) : null
+ });
+}
+
+function snat_rewrite_txt(s) {
+ var t = uci.get('firewall', s, 'target'),
+ l = fwtool.fmt_limit(uci.get('firewall', s, 'limit'), uci.get('firewall', s, 'limit_burst'));
+
+ if (t == 'SNAT') {
+ return fmt(_('Rewrite to %{ipaddr?%{port?%{ipaddr}, %{port}:%{ipaddr}}:%{port}}'), {
+ ipaddr: fwtool.fmt_ip(uci.get('firewall', s, 'snat_ip')),
+ port: fwtool.fmt_port(uci.get('firewall', s, 'snat_port'))
+ });
+ }
+ else if (t == 'MASQUERADE') {
+ return _('Rewrite to outbound device IP');
+ }
+ else if (t == 'ACCEPT') {
+ return _('Do not rewrite');
+ }
+}
+
+return L.view.extend({
+ callHostHints: rpc.declare({
+ object: 'luci-rpc',
+ method: 'getHostHints',
+ expect: { '': {} }
+ }),
+
+ callNetworkDevices: rpc.declare({
+ object: 'luci-rpc',
+ method: 'getNetworkDevices',
+ expect: { '': {} }
+ }),
+
+ load: function() {
+ return Promise.all([
+ this.callHostHints(),
+ this.callNetworkDevices()
+ ]);
+ },
+
+ render: function(data) {
+ var hosts = data[0],
+ devs = data[1],
+ m, s, o;
+
+ m = new form.Map('firewall', _('Firewall - NAT Rules'),
+ _('NAT rules allow fine grained control over the source IP to use for outbound or forwarded traffic.'));
+
+ s = m.section(form.GridSection, 'nat', _('NAT Rules'));
+ s.addremove = true;
+ s.anonymous = true;
+ s.sortable = true;
+
+ s.tab('general', _('General Settings'));
+ s.tab('advanced', _('Advanced Settings'));
+ s.tab('timed', _('Time Restrictions'));
+
+ s.sectiontitle = function(section_id) {
+ return uci.get('firewall', section_id, 'name') || _('Unnamed NAT');
+ };
+
+ o = s.taboption('general', form.Value, 'name', _('Name'));
+ o.placeholder = _('Unnamed NAT');
+ o.modalonly = true;
+
+ o = s.option(form.DummyValue, '_match', _('Match'));
+ o.modalonly = false;
+ o.textvalue = function(s) {
+ return E('small', [
+ snat_proto_txt(s), E('br'),
+ snat_src_txt(s), E('br'),
+ snat_dest_txt(s)
+ ]);
+ };
+
+ o = s.option(form.ListValue, '_dest', _('Rewrite to'));
+ o.modalonly = false;
+ o.textvalue = function(s) {
+ return snat_rewrite_txt(s);
+ };
+
+ o = s.option(form.Flag, 'enabled', _('Enable'));
+ o.modalonly = false;
+ o.default = o.enabled;
+ o.editable = true;
+
+ o = s.taboption('general', form.Value, 'proto', _('Protocol'));
+ o.modalonly = true;
+ o.default = 'all';
+ o.value('all', _('Any'));
+ o.value('tcp udp', 'TCP+UDP');
+ o.value('tcp', 'TCP');
+ o.value('udp', 'UDP');
+ o.cfgvalue = function(/* ... */) {
+ var v = this.super('cfgvalue', arguments);
+ return (v == 'tcpudp') ? 'tcp udp' : v;
+ };
+
+ o = s.taboption('general', widgets.ZoneSelect, 'src', _('Outbound zone'));
+ o.modalonly = true;
+ o.rmempty = false;
+ o.nocreate = true;
+ o.allowany = true;
+ o.default = 'lan';
+
+ o = s.taboption('general', form.Value, 'src_ip', _('Source IP address'),
+ _('Match forwarded traffic from this IP or range.'));
+ o.modalonly = true;
+ o.rmempty = true;
+ o.datatype = 'neg(ipmask4)';
+ o.placeholder = E('em', _('any'));
+ L.sortedKeys(hosts, 'ipv4', 'addr').forEach(function(mac) {
+ o.value(hosts[mac].ipv4, '%s (%s)'.format(
+ hosts[mac].ipv4,
+ hosts[mac].name || mac
+ ));
+ });
+
+ o = s.taboption('general', form.Value, 'src_port', _('Source port'),
+ _('Match forwarded traffic originating from the given source port or port range.'));
+ o.modalonly = true;
+ o.rmempty = true;
+ o.datatype = 'neg(portrange)';
+ o.placeholder = _('any');
+ o.depends('proto', 'tcp');
+ o.depends('proto', 'udp');
+ o.depends('proto', 'tcp udp');
+ o.depends('proto', 'tcpudp');
+
+ o = s.taboption('general', form.Value, 'dest_ip', _('Destination IP address'),
+ _('Match forwarded traffic directed at the given IP address.'));
+ o.modalonly = true;
+ o.rmempty = true;
+ o.datatype = 'neg(ipmask4)';
+ o.placeholder = E('em', _('any'));
+ L.sortedKeys(hosts, 'ipv4', 'addr').forEach(function(mac) {
+ o.value(hosts[mac].ipv4, '%s (%s)'.format(
+ hosts[mac].ipv4,
+ hosts[mac].name || mac
+ ));
+ });
+
+ o = s.taboption('general', form.Value, 'dest_port', _('Destination port'),
+ _('Match forwarded traffic directed at the given destination port or port range.'));
+ o.modalonly = true;
+ o.rmempty = true;
+ o.placeholder = _('any');
+ o.datatype = 'neg(portrange)';
+ o.depends('proto', 'tcp');
+ o.depends('proto', 'udp');
+ o.depends('proto', 'tcp udp');
+ o.depends('proto', 'tcpudp');
+
+ o = s.taboption('general', form.ListValue, 'target', _('Action'));
+ o.modalonly = true;
+ o.default = 'SNAT';
+ o.value('SNAT', _('SNAT - Rewrite to specific source IP or port'));
+ o.value('MASQUERADE', _('MASQUERADE - Automatically rewrite to outbound interface IP'));
+ o.value('ACCEPT', _('ACCEPT - Disable address rewriting'));
+
+ o = s.taboption('general', form.Value, 'snat_ip', _('Rewrite IP address'),
+ _('Rewrite matched traffic to the specified source IP address.'));
+ o.modalonly = true;
+ o.rmempty = true;
+ o.placeholder = _('do not rewrite');
+ o.datatype = 'ip4addr("nomask")';
+ o.validate = function(section_id, value) {
+ var port = this.map.lookupOption('snat_port', section_id),
+ p = port ? port[0].formvalue(section_id) : null;
+
+ if ((value == null || value == '') && (p == null || p == ''))
+ return _('A rewrite IP must be specified!');
+
+ return true;
+ };
+ o.depends('target', 'SNAT');
+ L.sortedKeys(devs, 'name').forEach(function(dev) {
+ var ip4addrs = devs[dev].ipaddrs;
+
+ if (!L.isObject(devs[dev].flags) || !Array.isArray(ip4addrs) || devs[dev].flags.loopback)
+ return;
+
+ for (var i = 0; i < ip4addrs.length; i++) {
+ if (!L.isObject(ip4addrs[i]) || !ip4addrs[i].address)
+ continue;
+
+ o.value(ip4addrs[i].address, '%s (%s)'.format(ip4addrs[i].address, dev));
+ }
+ });
+
+ o = s.taboption('general', form.Value, 'snat_port', _('Rewrite port'),
+ _('Rewrite matched traffic to the specified source port or port range.'));
+ o.modalonly = true;
+ o.rmempty = true;
+ o.placeholder = _('do not rewrite');
+ o.datatype = 'portrange';
+ o.depends({ target: 'SNAT', proto: 'tcp' });
+ o.depends({ target: 'SNAT', proto: 'udp' });
+ o.depends({ target: 'SNAT', proto: 'tcp udp' });
+ o.depends({ target: 'SNAT', proto: 'tcpudp' });
+
+ o = s.taboption('advanced', widgets.DeviceSelect, 'device', _('Outbound device'),
+ _('Matches forwarded traffic using the specified outbound network device.'));
+ o.noaliases = true;
+ o.modalonly = true;
+ o.rmempty = true;
+
+ o = s.taboption('advanced', form.Value, 'mark', _('Match mark'),
+ _('Matches a specific firewall mark or a range of different marks.'));
+ o.modalonly = true;
+ o.rmempty = true;
+ o.validate = function(section_id, value) {
+ if (value == '')
+ return true;
+
+ var m = String(value).match(/^(?:!\s*)?(0x[0-9a-f]{1,8}|[0-9]{1,10})(?:\/(0x[0-9a-f]{1,8}|[0-9]{1,10}))?$/i);
+
+ if (!m || +m[1] > 0xffffffff || (m[2] != null && +m[2] > 0xffffffff))
+ return _('Expecting: %s').format(_('valid firewall mark'));
+
+ return true;
+ };
+
+ o = s.taboption('advanced', form.Value, 'extra', _('Extra arguments'),
+ _('Passes additional arguments to iptables. Use with care!'));
+ o.modalonly = true;
+ o.rmempty = true;
+
+ o = s.taboption('timed', form.MultiValue, 'weekdays', _('Week Days'));
+ o.modalonly = true;
+ o.multiple = true;
+ o.display = 5;
+ o.placeholder = _('Any day');
+ o.value('Sun', _('Sunday'));
+ o.value('Mon', _('Monday'));
+ o.value('Tue', _('Tuesday'));
+ o.value('Wed', _('Wednesday'));
+ o.value('Thu', _('Thursday'));
+ o.value('Fri', _('Friday'));
+ o.value('Sat', _('Saturday'));
+ o.write = function(section_id, value) {
+ return this.super('write', [ section_id, L.toArray(value).join(' ') ]);
+ };
+
+ o = s.taboption('timed', form.MultiValue, 'monthdays', _('Month Days'));
+ o.modalonly = true;
+ o.multiple = true;
+ o.display_size = 15;
+ o.placeholder = _('Any day');
+ o.write = function(section_id, value) {
+ return this.super('write', [ section_id, L.toArray(value).join(' ') ]);
+ };
+ for (var i = 1; i <= 31; i++)
+ o.value(i);
+
+ o = s.taboption('timed', form.Value, 'start_time', _('Start Time (hh.mm.ss)'));
+ o.modalonly = true;
+ o.datatype = 'timehhmmss';
+
+ o = s.taboption('timed', form.Value, 'stop_time', _('Stop Time (hh.mm.ss)'));
+ o.modalonly = true;
+ o.datatype = 'timehhmmss';
+
+ o = s.taboption('timed', form.Value, 'start_date', _('Start Date (yyyy-mm-dd)'));
+ o.modalonly = true;
+ o.datatype = 'dateyyyymmdd';
+
+ o = s.taboption('timed', form.Value, 'stop_date', _('Stop Date (yyyy-mm-dd)'));
+ o.modalonly = true;
+ o.datatype = 'dateyyyymmdd';
+
+ o = s.taboption('timed', form.Flag, 'utc_time', _('Time in UTC'));
+ o.modalonly = true;
+ o.default = o.disabled;
+
+ return m.render();
+ }
+});
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