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|
/*************************************************************************
*
* Copyright (C) 2018-2020 Ruilin Peng (Nick) <pymumu@gmail.com>.
*
* smartdns is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* smartdns is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
'require fs';
'require uci';
'require form';
'require rpc';
'require view';
var conf = 'smartdns';
var callServiceList = rpc.declare({
object: 'service',
method: 'list',
params: ['name'],
expect: { '': {} }
});
function getPidOfSmartdns() {
return L.resolveDefault(callServiceList(conf), {})
.then(function (res) {
var isrunning = false;
try {
isrunning = res[conf]['instances']['smartdns']['running'];
} catch (e) { }
return isrunning;
});
}
function getIPTablesRedirect() {
return fs.exec('/usr/sbin/iptables', ['-t', 'nat', '-nL', 'PREROUTING']).then(function (res) {
if (res.code === 0) {
return res.stdout.trim();
} else {
return "";
}
});
}
function getIP6TablesRedirect() {
return fs.exec('/usr/sbin/ip6tables', ['-t', 'nat', '-nL', 'PREROUTING']).then(function (res) {
if (res.code === 0) {
return res.stdout.trim();
} else {
return "";
}
});
}
function smartdnsServiceStatus() {
return Promise.all([
getPidOfSmartdns(),
getIPTablesRedirect(),
getIP6TablesRedirect()
]);
}
function smartdnsRenderStatus(res) {
var renderHTML = "";
var isRunning = res[0];
var ipt = res[1];
var ip6t = res[2];
var serverPort = uci.get_first('smartdns', 'smartdns', 'port');
var redirectMode = uci.get_first('smartdns', 'smartdns', 'redirect');
var ipv6Enabled = uci.get_first('smartdns', 'smartdns', 'ipv6_server');
if (isRunning) {
renderHTML += "<span style=\"color:green;font-weight:bold\">SmartDNS - " + _("RUNNING") + "</span>";
} else {
renderHTML += "<span style=\"color:red;font-weight:bold\">SmartDNS - " + _("NOT RUNNING") + "</span>";
return renderHTML;
}
if (redirectMode === "dnsmasq-upstream") {
var matchLine = "127.0.0.1#" + serverPort;
var dnsmasqServer = uci.get_first('dhcp', 'dnsmasq', 'server') || "";
if (dnsmasqServer.indexOf(matchLine) < 0) {
renderHTML += "<br /><span style=\"color:red;font-weight:bold\">" + _("Dnsmasq Forwared To Smartdns Failure") + "</span>";
}
} else if (redirectMode === "redirect") {
var redirectRules = (ipt || '').split(/\n/).filter(function (rule) {
return rule.match(/REDIRECT/) && rule.match(/dpt:53/) && rule.match("ports " + serverPort);
});
if (redirectRules.length <= 0) {
renderHTML += "<br /><span style=\"color:red;font-weight:bold\">" + _("IPV4 53 Port Redirect Failure") + "</span>";
if (ipv6Enabled) {
var redirectRules = (ip6t || '').split(/\n/).filter(function (rule) {
return rule.match(/REDIRECT/) && rule.match(/dpt:53/) && rule.match("ports " + serverPort);
});
if (redirectRules.length <= 0) {
renderHTML += "<br /><span style=\"color:red;font-weight:bold\">" + _("IPV6 53 Port Redirect Failure") + "</span>";
}
}
}
}
return renderHTML;
}
return view.extend({
load: function () {
return Promise.all([
uci.load('smartdns'),
uci.load('dhcp')
]);
},
render: function (stats) {
var m, s, o;
m = new form.Map('smartdns', _('SmartDNS'));
m.title = _("SmartDNS Server");
m.description = _("SmartDNS is a local high-performance DNS server, supports finding fastest IP, "
+ "supports ad filtering, and supports avoiding DNS poisoning.");
s = m.section(form.NamedSection, '_status');
s.anonymous = true;
s.render = function (section_id) {
L.Poll.add(function () {
return L.resolveDefault(smartdnsServiceStatus()).then(function (res) {
var view = document.getElementById("service_status");
view.innerHTML = smartdnsRenderStatus(res);
});
});
return E('div', { class: 'cbi-map' },
E('div', { class: 'cbi-section' }, [
E('div', { id: 'service_status' },
_('Collecting data ...'))
])
);
}
// Basic;
s = m.section(form.TypedSection, "smartdns", _("Settings"), _("General Settings"));
s.anonymous = true;
s.tab("settings", _("General Settings"));
s.tab("seconddns", _("Second Server Settings"));
s.tab("custom", _("Custom Settings"));
// Eanble;
o = s.taboption("settings", form.Flag, "enabled", _("Enable"), _("Enable or disable smartdns server"));
o.default = o.disabled;
o.rempty = false;
// server name;
o = s.taboption("settings", form.Value, "server_name", _("Server Name"), _("Smartdns server name"));
o.default = "smartdns";
o.datatype = "hostname";
o.rempty = false;
// Port;
o = s.taboption("settings", form.Value, "port", _("Local Port"), _("Smartdns local server port"));
o.placeholder = 6053;
o.default = 6053;
o.datatype = "port";
o.rempty = false;
// Enable TCP server;
o = s.taboption("settings", form.Flag, "tcp_server", _("TCP Server"), _("Enable TCP DNS Server"));
o.rmempty = false;
o.default = o.enabled;
// Support IPV6;
o = s.taboption("settings", form.Flag, "ipv6_server", _("IPV6 Server"), _("Enable IPV6 DNS Server"));
o.rmempty = false;
o.default = o.enabled;
// Support DualStack ip selection;
o = s.taboption("settings", form.Flag, "dualstack_ip_selection", _("Dual-stack IP Selection"),
_("Enable IP selection between IPV4 and IPV6"));
o.rmempty = false;
o.default = o.disabled;
// Domain prefetch load ;
o = s.taboption("settings", form.Flag, "prefetch_domain", _("Domain prefetch"),
_("Enable domain prefetch, accelerate domain response speed."));
o.rmempty = false;
o.default = o.disabled;
// Domain Serve expired
o = s.taboption("settings", form.Flag, "serve_expired", _("Serve expired"),
_("Attempts to serve old responses from cache with a TTL of 0 in the response without waiting for the actual resolution to finish."));
o.rmempty = false;
o.default = o.disabled;
// Redirect;
o = s.taboption("settings", form.ListValue, "redirect", _("Redirect"), _("SmartDNS redirect mode"));
o.placeholder = "none";
o.value("none", _("none"));
o.value("dnsmasq-upstream", _("Run as dnsmasq upstream server"));
o.value("redirect", _("Redirect 53 port to SmartDNS"));
o.default = "none";
o.rempty = false;
// cache-size;
o = s.taboption("settings", form.Value, "cache_size", _("Cache Size"), _("DNS domain result cache size"));
o.rempty = true;
// rr-ttl;
o = s.taboption("settings", form.Value, "rr_ttl", _("Domain TTL"), _("TTL for all domain result."));
o.rempty = true;
// rr-ttl-min;
o = s.taboption("settings", form.Value, "rr_ttl_min", _("Domain TTL Min"),
_("Minimum TTL for all domain result."));
o.rempty = true;
o.placeholder = "300";
o.default = 300;
o.optional = true;
// second dns server;
// rr-ttl-max;
o = s.taboption("settings", form.Value, "rr_ttl_max", _("Domain TTL Max"),
_("Maximum TTL for all domain result."));
o.rempty = true;
// Eanble;
o = s.taboption("seconddns", form.Flag, "seconddns_enabled", _("Enable"),
_("Enable or disable second DNS server."));
o.default = o.disabled;
o.rempty = false;
// Port;
o = s.taboption("seconddns", form.Value, "seconddns_port", _("Local Port"), _("Smartdns local server port"));
o.placeholder = 6553;
o.default = 6553;
o.datatype = "port";
o.rempty = false;
// Enable TCP server;
o = s.taboption("seconddns", form.Flag, "seconddns_tcp_server", _("TCP Server"), _("Enable TCP DNS Server"));
o.rmempty = false;
o.default = o.enabled;
// dns server group;
o = s.taboption("seconddns", form.Value, "seconddns_server_group", _("Server Group"),
_("Query DNS through specific dns server group, such as office, home."));
o.rmempty = true;
o.placeholder = "default";
o.datatype = "hostname";
o.rempty = true;
o = s.taboption("seconddns", form.Flag, "seconddns_no_speed_check", _("Skip Speed Check"),
_("Do not check speed."));
o.rmempty = false;
o.default = o.disabled;
// skip address rules;
o = s.taboption("seconddns", form.Flag, "seconddns_no_rule_addr", _("Skip Address Rules"),
_("Skip address rules."));
o.rmempty = false;
o.default = o.disabled;
// skip name server rules;
o = s.taboption("seconddns", form.Flag, "seconddns_no_rule_nameserver", _("Skip Nameserver Rule"),
_("Skip nameserver rules."));
o.rmempty = false;
o.default = o.disabled;
// skip ipset rules;
o = s.taboption("seconddns", form.Flag, "seconddns_no_rule_ipset", _("Skip Ipset Rule"),
_("Skip ipset rules."));
o.rmempty = false;
o.default = o.disabled;
// skip soa address rule;
o = s.taboption("seconddns", form.Flag, "seconddns_no_rule_soa", _("Skip SOA Address Rule"),
_("Skip SOA address rules."));
o.rmempty = false;
o.default = o.disabled;
o = s.taboption("seconddns", form.Flag, "seconddns_no_dualstack_selection", _("Skip Dualstack Selection"),
_("Skip Dualstack Selection."));
o.rmempty = false;
o.default = o.disabled;
// skip cache;
o = s.taboption("seconddns", form.Flag, "seconddns_no_cache", _("Skip Cache"), _("Skip Cache."));
o.rmempty = false;
o.default = o.disabled;
// Force AAAA SOA
o = s.taboption("seconddns", form.Flag, "force_aaaa_soa", _("Force AAAA SOA"), _("Force AAAA SOA."));
o.rmempty = false;
o.default = o.disabled;
// custom settings;
o = s.taboption("custom", form.TextValue, "custom_conf",
"", _("smartdns custom settings"));
o.rows = 20;
o.cfgvalue = function (section_id) {
return fs.trimmed('/etc/smartdns/custom.conf');
};
o.write = function (section_id, formvalue) {
return fs.write('/etc/smartdns/custom.conf', formvalue.trim().replace(/\r\n/g, '\n') + '\n');
};
o = s.taboption("custom", form.Flag, "coredump", _("Generate Coredump"),
_("Generate Coredump file when smartdns crash, coredump file is located at /tmp/smartdns.xxx.core."));
o.rmempty = false;
o.default = o.disabled;
// Upstream servers;
s = m.section(form.GridSection, "server", _("Upstream Servers"),
_("Upstream Servers, support UDP, TCP protocol. Please configure multiple DNS servers, "
+ "including multiple foreign DNS servers."));
s.anonymous = true;
s.addremove = true;
s.tab('general', _('General Settings'));
s.tab('advanced', _('Advanced Settings'));
// enable flag;
o = s.taboption("general", form.Flag, "enabled", _("Enable"), _("Enable"));
o.rmempty = false;
o.default = o.enabled;
o.editable = true;
// name;
o = s.taboption("general", form.Value, "name", _("DNS Server Name"), _("DNS Server Name"));
// IP address;
o = s.taboption("general", form.Value, "ip", _("ip"), _("DNS Server ip"));
o.datatype = "or(ipaddr, string)";
o.rmempty = false;
// port;
o = s.taboption("general", form.Value, "port", _("port"), _("DNS Server port"));
o.placeholder = "default";
o.datatype = "port";
o.rempty = true;
o.depends("type", "udp");
o.depends("type", "tcp");
o.depends("type", "tls");
// type;
o = s.taboption("general", form.ListValue, "type", _("type"), _("DNS Server type"));
o.placeholder = "udp";
o.value("udp", _("udp"));
o.value("tcp", _("tcp"));
o.value("tls", _("tls"));
o.value("https", _("https"));
o.default = "udp";
o.rempty = false;
// Advanced Options
// server group
o = s.taboption("advanced", form.Value, "server_group", _("Server Group"), _("DNS Server group belongs to, "
+ "used with nameserver, such as office, home."))
o.rmempty = true
o.placeholder = "default"
o.datatype = "hostname"
o.rempty = true
o.modalonly = true;
// blacklist_ip
o = s.taboption("advanced", form.Flag, "blacklist_ip", _("IP Blacklist Filtering"),
_("Filtering IP with blacklist"))
o.rmempty = false
o.default = o.disabled
o.modalonly = true;
// TLS host verify
o = s.taboption("advanced", form.Value, "tls_host_verify", _("TLS Hostname Verify"),
_("Set TLS hostname to verify."))
o.default = ""
o.datatype = "string"
o.rempty = true
o.modalonly = true;
o.depends("type", "tls")
o.depends("type", "https")
// SNI host name
o = s.taboption("advanced", form.Value, "host_name", _("TLS SNI name"),
_("Sets the server name indication for query."))
o.default = ""
o.datatype = "hostname"
o.rempty = true
o.modalonly = true;
o.depends("type", "tls")
o.depends("type", "https")
// http host
o = s.taboption("advanced", form.Value, "http_host", _("HTTP Host"),
_("Set the HTTP host used for the query. Use this parameter when the host of the URL address is an IP address."))
o.default = ""
o.datatype = "hostname"
o.rempty = true
o.modalonly = true;
o.depends("type", "https")
// SPKI pin
o = s.taboption("advanced", form.Value, "spki_pin", _("TLS SPKI Pinning"),
_("Used to verify the validity of the TLS server, The value is Base64 encoded SPKI fingerprint, "
+ "leaving blank to indicate that the validity of TLS is not verified."))
o.default = ""
o.datatype = "string"
o.rempty = true
o.modalonly = true;
o.depends("type", "tls")
o.depends("type", "https")
// other args
o = s.taboption("advanced", form.Value, "addition_arg", _("Additional Server Args"),
_("Additional Args for upstream dns servers"))
o.default = ""
o.rempty = true
o.modalonly = true;
// Doman addresss;
s = m.section(form.TypedSection, "smartdns", _("Advanced Settings"), _("Advanced Settings"));
s.anonymous = true;
s.tab("domain-address", _("Domain Address"), _("Set Specific domain ip address."));
s.tab("blackip-list", _("IP Blacklist"), _("Set Specific ip blacklist."));
o = s.taboption("domain-address", form.TextValue, "address_conf",
"",
_("Specify an IP address to return for any host in the given domains, Queries in the domains are never "
+ "forwarded and always replied to with the specified IP address which may be IPv4 or IPv6."));
o.rows = 20;
o.cfgvalue = function (section_id) {
return fs.trimmed('/etc/smartdns/address.conf');
};
o.write = function (section_id, formvalue) {
return fs.write('/etc/smartdns/address.conf', formvalue.trim().replace(/\r\n/g, '\n') + '\n');
};
// IP Blacklist;
// blacklist;
o = s.taboption("blackip-list", form.TextValue, "blackip_ip_conf",
"", _("Configure IP blacklists that will be filtered from the results of specific DNS server."));
o.rows = 20;
o.cfgvalue = function (section_id) {
return fs.trimmed('/etc/smartdns/blacklist-ip.conf');
};
o.write = function (section_id, formvalue) {
return fs.write('/etc/smartdns/blacklist-ip.conf', formvalue.trim().replace(/\r\n/g, '\n') + '\n');
};
// Doman addresss;
s = m.section(form.TypedSection, "smartdns", _("Technical Support"),
_("If you like this software, please buy me a cup of coffee."));
s.anonymous = true;
o = s.option(form.Button, "web");
o.title = _("SmartDNS official website");
o.inputtitle = _("open website");
o.inputstyle = "apply";
o.onclick = function () {
window.open("https://pymumu.github.io/smartdns", '_blank');
};
o = s.option(form.Button, "Donate");
o.title = _("Donate to smartdns");
o.inputtitle = _("Donate");
o.inputstyle = "apply";
o.onclick = function () {
window.open("https://pymumu.github.io/smartdns/#donate", '_blank');
};
return m.render();
}
});
|