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f20afeb6
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Warren Baker
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<?php
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/*
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fe9d4894
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Renato Botelho
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unbound.inc
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part of the pfSense project (https://www.pfsense.org)
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Copyright (C) 2014 Warren Baker <warren@decoy.co.za>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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pfSense_BUILDER_BINARIES: /usr/sbin/unbound /usr/sbin/unbound-anchor /usr/sbin/unbound-checkconf
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pfSense_BUILDER_BINARIES: /usr/sbin/unbound-control /usr/sbin/unbound-control-setup
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pfSense_MODULE: unbound
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f20afeb6
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Warren Baker
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*/
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/* include all configuration functions */
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require_once("config.inc");
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require_once("functions.inc");
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/* Optimize Unbound for environment */
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function unbound_optimization() {
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fe9d4894
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Renato Botelho
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global $config;
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$optimization_settings = array();
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/*
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* Set the number of threads equal to number of CPUs.
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* Use 1 to disable threading, if for some reason this sysctl fails.
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*/
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$numprocs = intval(get_single_sysctl('kern.smp.cpus'));
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if ($numprocs > 0)
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$optimization['number_threads'] = "num-threads: {$numprocs}";
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else
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$optimization['number_threads'] = "num-threads: 1";
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// Slabs to help reduce lock contention.
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if ($numprocs > 4) {
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$optimization['msg_cache_slabs'] = "msg-cache-slabs: {$numprocs}";
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$optimization['rrset_cache_slabs'] = "rrset-cache-slabs: {$numprocs}";
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$optimization['infra_cache_slabs'] = "infra-cache-slabs: {$numprocs}";
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$optimization['key_cache_slabs'] = "key-cache-slabs: {$numprocs}";
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} else {
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$optimization['msg_cache_slabs'] = "msg-cache-slabs: 4";
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$optimization['rrset_cache_slabs'] = "rrset-cache-slabs: 4";
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$optimization['infra_cache_slabs'] = "infra-cache-slabs: 4";
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$optimization['key_cache_slabs'] = "key-cache-slabs: 4";
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}
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// Memory usage default of 4MB
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$optimization['msg_cache_size'] = "msg-cache-size: 4m";
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$optimization['rrset_cache_size'] = "rrset-cache-size: 8m";
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// More outgoing connections per thread otherwise assign a default of 4096 for a single thread
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if ($numprocs > 0) {
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$or = (1024/$numprocs) - 50;
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$optimization['outgoing_range'] = "outgoing-range: {$or}";
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} else
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$optimization['outgoing_range'] = "outgoing-range: {4096}";
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/*
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* Larger socket buffer for busy servers
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* Check that it is set to 4MB (by default the OS has it configured to 4MB)
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*/
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foreach ($config['sysctl']['item'] as $tunable) {
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if ($tunable['tunable'] == 'kern.ipc.maxsockbuf') {
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$so = floor(($tunable['value']/1024/1024)-1);
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// Check to ensure that the number is not a negative
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if ($so > 0)
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$optimization['so_rcvbuf'] = "so-rcvbuf: {$so}m";
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else
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unset($optimization['so_rcvbuf']);
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}
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}
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// Safety check in case kern.ipc.maxsockbuf is not available.
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if (!isset($optimization['so_rcvbuf']))
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$optimization['so_rcvbuf'] = "#so-rcvbuf: 4m";
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return $optimization;
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f20afeb6
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Warren Baker
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}
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function unbound_generate_config() {
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fe9d4894
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Renato Botelho
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global $config, $g;
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// Setup optimization
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$optimization = unbound_optimization();
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// Setup DNSSEC support
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if (isset($config['unbound']['dnssec'])) {
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$module_config = "validator iterator";
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$anchor_file = "auto-trust-anchor-file: {$g['unbound_chroot_path']}/root.key";
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} else
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$module_config = "iterator";
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// Setup DNS Rebinding
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if (!isset($config['system']['webgui']['nodnsrebindcheck'])) {
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// Private-addresses for DNS Rebinding
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$private_addr = <<<EOF
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f20afeb6
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Warren Baker
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# For DNS Rebinding prevention
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private-address: 10.0.0.0/8
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private-address: 172.16.0.0/12
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private-address: 192.168.0.0/16
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private-address: 192.254.0.0/16
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private-address: fd00::/8
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private-address: fe80::/10
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EOF;
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fe9d4894
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Renato Botelho
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}
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// Determine interfaces to run on
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$bindints = "";
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if (!empty($config['unbound']['active_interface'])) {
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$active_interfaces = explode(",", $config['unbound']['active_interface']);
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foreach($active_interfaces as $ubif) {
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$intip = get_interface_ip($ubif);
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if (!is_null($intip))
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$bindints .= "interface: $intip\n";
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$intip = get_interface_ipv6($ubif);
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if (!is_null($intip))
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$bindints .= "interface: $intip\n";
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}
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} else {
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$bindints .= "interface: 0.0.0.0\n";
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$bindints .= "interface: ::0\n";
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}
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// Determine interfaces to run on
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$outgoingints = "";
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if (!empty($config['unbound']['outgoing_interface'])) {
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$outgoingints = "# Outgoing interfaces to be used\n";
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$outgoing_interfaces = explode(",", $config['unbound']['outgoing_interface']);
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foreach($outgoing_interfaces as $outif) {
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$outip = get_interface_ip($outif);
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if (!is_null($outip))
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$outgoingints .= "outgoing-interface: $outip\n";
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$outip = get_interface_ipv6($outif);
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if (!is_null($outip))
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$outgoingints .= "outgoing-interface: $outip\n";
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}
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}
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// Allow DNS Rebind for forwarded domains
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if ((isset($config['unbound']['domainoverrides']) && is_array($config['unbound']['domainoverrides'])) && !isset($config['system']['webgui']['nodnsrebindcheck'])) {
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$private_domains = "# Set private domains in case authoritative name server returns a Private IP address\n";
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$private_domains .= unbound_add_domain_overrides(true);
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}
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// Configure static Host entries
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unbound_add_host_entries();
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// Configure Domain Overrides
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unbound_add_domain_overrides();
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// Configure Unbound statistics
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$statistics = unbound_statistics();
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// Configure Unbound access-lists
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unbound_acls_config();
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// Add custom Unbound options
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if ($config['unbound']['custom_options']) {
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$custom_option = "# Unbound custom option";
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foreach (preg_split('/\s+/', $config['unbound']['custom_options']) as $ent)
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$custom_option .= $ent."\n";
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}
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// Server configuration variables
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$port = (is_port($config['unbound']['port'])) ? $config['unbound']['port'] : "53";
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$hide_id = ($config['unbound']['hide_id'] == "on") ? "yes" : "no";
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$hide_version = ($config['unbound']['hide_version'] == "on") ? "yes" : "no";
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$harden_glue = ($config['unbound']['harden_glue'] == "on") ? "yes" : "no";
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$harden_dnssec_stripped = ($config['unbound']['harden_dnssec_stripped'] == "on") ? "yes" : "no";
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$prefetch = ($config['unbound']['prefetch'] == "on") ? "yes" : "no";
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$prefetch_key = ($config['unbound']['prefetch_key'] == "on") ? "yes" : "no";
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$outgoing_num_tcp = (!empty($config['unbound']['outgoing_num_tcp'])) ? $config['unbound']['outgoing_num_tcp'] : "10";
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$incoming_num_tcp = (!empty($config['unbound']['incoming_num_tcp'])) ? $config['unbound']['incoming_num_tcp'] : "10";
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$edns_buffer_size = (!empty($config['unbound']['edns_buffer_size'])) ? $config['unbound']['edns_buffer_size'] : "4096";
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$num_queries_per_thread = (!empty($config['unbound']['num_queries_per_thread'])) ? $config['unbound']['num_queries_per_thread'] : "4096";
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$jostle_timeout = (!empty($config['unbound']['jostle_timeout'])) ? $config['unbound']['jostle_timeout'] : "200";
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$cache_max_ttl = (!empty($config['unbound']['cache_max_ttl'])) ? $config['unbound']['cache_max_ttl'] : "86400";
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$cache_min_ttl = (!empty($config['unbound']['cache_min_ttl'])) ? $config['unbound']['cache_min_ttl'] : "0";
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$infra_host_ttl = (!empty($config['unbound']['infra_host_ttl'])) ? $config['unbound']['infra_host_ttl'] : "900";
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$infra_lame_ttl = (!empty($config['unbound']['infra_lame_ttl'])) ? $config['unbound']['infra_lame_ttl'] : "900";
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$infra_cache_numhosts = (!empty($config['unbound']['infra_cache_numhosts'])) ? $config['unbound']['infra_cache_numhosts'] : "10000";
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$unwanted_reply_threshold = (!empty($config['unbound']['unwanted_reply_threshold'])) ? $config['unbound']['unwanted_reply_threshold'] : "0";
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$verbosity = isset($config['unbound']['loglevel']) ? $config['unbound']['loglevel'] : 1;
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// Set up forwarding if it configured
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if (isset($config['unbound']['forwarding'])) {
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$dnsservers = array();
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if (isset($config['system']['dnsallowoverride'])) {
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$ns = array_unique(get_nameservers());
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foreach($ns as $nameserver) {
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if ($nameserver)
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$dnsservers[] = $nameserver;
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}
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} else {
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$ns = array_unique(get_dns_servers());
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foreach($ns as $nameserver) {
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if ($nameserver)
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$dnsservers[] = $nameserver;
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}
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}
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if (!empty($dnsservers)) {
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$forward_conf .=<<<EOD
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75e6d1b2
|
Warren Baker
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# Forwarding
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be5aa310
|
Warren Baker
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forward-zone:
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fe9d4894
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Renato Botelho
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name: "."
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| 227 |
be5aa310
|
Warren Baker
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| 228 |
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EOD;
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| 229 |
fe9d4894
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Renato Botelho
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foreach($dnsservers as $dnsserver)
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$forward_conf .= "\tforward-addr: $dnsserver\n";
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}
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} else
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$forward_conf = "";
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| 234 |
be5aa310
|
Warren Baker
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| 235 |
fe9d4894
|
Renato Botelho
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$unboundconf = <<<EOD
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| 236 |
f20afeb6
|
Warren Baker
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##########################
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# Unbound Configuration
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##########################
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##
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# Server configuration
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##
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server:
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chroot: {$g['unbound_chroot_path']}
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username: "unbound"
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| 246 |
56a87b19
|
Warren Baker
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directory: "{$g['unbound_chroot_path']}"
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| 247 |
f20afeb6
|
Warren Baker
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pidfile: "/var/run/unbound.pid"
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use-syslog: yes
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| 249 |
d12889b0
|
Warren Baker
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port: {$port}
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| 250 |
56a87b19
|
Warren Baker
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verbosity: {$verbosity}
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| 251 |
f20afeb6
|
Warren Baker
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harden-referral-path: no
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do-ip4: yes
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do-ip6: yes
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| 254 |
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do-udp: yes
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| 255 |
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do-tcp: yes
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| 256 |
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do-daemonize: yes
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| 257 |
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module-config: "{$module_config}"
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| 258 |
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unwanted-reply-threshold: 0
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| 259 |
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num-queries-per-thread: 1024
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| 260 |
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jostle-timeout: 200
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| 261 |
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infra-host-ttl: 900
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| 262 |
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infra-lame-ttl: 900
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| 263 |
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infra-cache-numhosts: 10000
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| 264 |
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outgoing-num-tcp: 10
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| 265 |
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incoming-num-tcp: 10
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| 266 |
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edns-buffer-size: 4096
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| 267 |
56a87b19
|
Warren Baker
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cache-max-ttl: {$cache_max_ttl}
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| 268 |
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cache-min-ttl: {$cache_min_ttl}
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| 269 |
f20afeb6
|
Warren Baker
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harden-dnssec-stripped: yes
|
| 270 |
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{$optimization['number_threads']}
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| 271 |
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{$optimization['msg_cache_slabs']}
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| 272 |
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{$optimization['rrset_cache_slabs']}
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| 273 |
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{$optimization['infra_cache_slabs']}
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| 274 |
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{$optimization['key_cache_slabs']}
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| 275 |
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{$optimization['msg_cache_size']}
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| 276 |
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{$optimization['rrset_cache_size']}
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| 277 |
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{$optimization['outgoing_range']}
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| 278 |
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{$optimization['so_rcvbuf']}
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| 279 |
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{$anchor_file}
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| 280 |
56a87b19
|
Warren Baker
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prefetch: {$prefetch}
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| 281 |
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prefetch-key: {$prefetch_key}
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| 282 |
f20afeb6
|
Warren Baker
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# Statistics
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| 283 |
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{$statistics}
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| 284 |
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# Interface IP(s) to bind to
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| 285 |
16a3108f
|
Warren Baker
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{$bindints}
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| 286 |
6374fb57
|
Warren Baker
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{$outgoingints}
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| 287 |
f20afeb6
|
Warren Baker
|
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| 288 |
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# DNS Rebinding
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| 289 |
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{$private_addr}
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| 290 |
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{$private_domains}
|
| 291 |
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| 292 |
4e8e8cc8
|
Warren Baker
|
# Access lists
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| 293 |
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include: {$g['unbound_chroot_path']}/access_lists.conf
|
| 294 |
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| 295 |
f20afeb6
|
Warren Baker
|
# Static host entries
|
| 296 |
56a87b19
|
Warren Baker
|
include: {$g['unbound_chroot_path']}/host_entries.conf
|
| 297 |
f20afeb6
|
Warren Baker
|
|
| 298 |
|
|
# Domain overrides
|
| 299 |
ae5bbb64
|
Warren Baker
|
include: {$g['unbound_chroot_path']}/domainoverrides.conf
|
| 300 |
be5aa310
|
Warren Baker
|
{$forward_conf}
|
| 301 |
|
|
|
| 302 |
f20afeb6
|
Warren Baker
|
{$custom_options}
|
| 303 |
|
|
|
| 304 |
|
|
###
|
| 305 |
|
|
# Remote Control Config
|
| 306 |
|
|
###
|
| 307 |
56a87b19
|
Warren Baker
|
include: {$g['unbound_chroot_path']}/remotecontrol.conf
|
| 308 |
f20afeb6
|
Warren Baker
|
|
| 309 |
|
|
EOD;
|
| 310 |
|
|
|
| 311 |
fe9d4894
|
Renato Botelho
|
file_put_contents("{$g['unbound_chroot_path']}/unbound.conf", $unboundconf);
|
| 312 |
f20afeb6
|
Warren Baker
|
|
| 313 |
fe9d4894
|
Renato Botelho
|
return 0;
|
| 314 |
f20afeb6
|
Warren Baker
|
}
|
| 315 |
|
|
|
| 316 |
|
|
function unbound_remote_control_setup() {
|
| 317 |
fe9d4894
|
Renato Botelho
|
global $g;
|
| 318 |
f20afeb6
|
Warren Baker
|
|
| 319 |
fe9d4894
|
Renato Botelho
|
if (!file_exists("{$g['unbound_chroot_path']}/remotecontrol.conf") || !file_exists("{$g['unbound_chroot_path']}/unbound_control.key")) {
|
| 320 |
|
|
$remotcfg = <<<EOF
|
| 321 |
f20afeb6
|
Warren Baker
|
remote-control:
|
| 322 |
fe9d4894
|
Renato Botelho
|
control-enable: yes
|
| 323 |
|
|
control-interface: 127.0.0.1
|
| 324 |
|
|
control-port: 953
|
| 325 |
|
|
server-key-file: "{$g['unbound_chroot_path']}/unbound_server.key"
|
| 326 |
|
|
server-cert-file: "{$g['unbound_chroot_path']}/unbound_server.pem"
|
| 327 |
|
|
control-key-file: "{$g['unbound_chroot_path']}/unbound_control.key"
|
| 328 |
|
|
control-cert-file: "{$g['unbound_chroot_path']}/unbound_control.pem"
|
| 329 |
56a87b19
|
Warren Baker
|
|
| 330 |
f20afeb6
|
Warren Baker
|
EOF;
|
| 331 |
|
|
|
| 332 |
fe9d4894
|
Renato Botelho
|
file_put_contents("{$g['unbound_chroot_path']}/remotecontrol.conf", $remotcfg);
|
| 333 |
f20afeb6
|
Warren Baker
|
|
| 334 |
fe9d4894
|
Renato Botelho
|
// Generate our keys
|
| 335 |
|
|
do_as_unbound_user("unbound-control-setup");
|
| 336 |
f20afeb6
|
Warren Baker
|
|
| 337 |
fe9d4894
|
Renato Botelho
|
}
|
| 338 |
56a87b19
|
Warren Baker
|
}
|
| 339 |
f20afeb6
|
Warren Baker
|
|
| 340 |
|
|
|
| 341 |
56a87b19
|
Warren Baker
|
// Read /etc/hosts
|
| 342 |
f20afeb6
|
Warren Baker
|
function read_hosts() {
|
| 343 |
|
|
|
| 344 |
fe9d4894
|
Renato Botelho
|
/* Open /etc/hosts and extract the only dhcpleases info
|
| 345 |
|
|
* XXX - to convert to an unbound C library which reads /etc/hosts automatically
|
| 346 |
|
|
*/
|
| 347 |
|
|
$etc_hosts = array();
|
| 348 |
|
|
foreach (file('/etc/hosts') as $line) {
|
| 349 |
|
|
$d = preg_split('/\s/', $line, -1, PREG_SPLIT_NO_EMPTY);
|
| 350 |
|
|
if (empty($d) || substr(reset($d), 0, 1) == "#")
|
| 351 |
|
|
continue;
|
| 352 |
|
|
if ($d[3] == "#") {
|
| 353 |
|
|
$ip = array_shift($d);
|
| 354 |
|
|
$fqdn = array_shift($d);
|
| 355 |
|
|
$name = array_shift($d);
|
| 356 |
|
|
if ($fqdn != "empty") {
|
| 357 |
|
|
if ($name != "empty")
|
| 358 |
|
|
array_push($etc_hosts, array(ipaddr => "$ip", fqdn => "$fqdn", name => "$name"));
|
| 359 |
|
|
else
|
| 360 |
|
|
array_push($etc_hosts, array(ipaddr => "$ip", fqdn => "$fqdn"));
|
| 361 |
|
|
}
|
| 362 |
|
|
}
|
| 363 |
|
|
}
|
| 364 |
|
|
return $etc_hosts;
|
| 365 |
f20afeb6
|
Warren Baker
|
}
|
| 366 |
|
|
|
| 367 |
|
|
function sync_unbound_service() {
|
| 368 |
fe9d4894
|
Renato Botelho
|
global $config, $g;
|
| 369 |
|
|
|
| 370 |
|
|
// Configure chroot
|
| 371 |
|
|
if (!is_dir($g['unbound_chroot_path'])) {
|
| 372 |
|
|
mkdir($g['unbound_chroot_path']);
|
| 373 |
|
|
chown($g['unbound_chroot_path'], "unbound");
|
| 374 |
|
|
chgrp($g['unbound_chroot_path'], "unbound");
|
| 375 |
|
|
}
|
| 376 |
|
|
|
| 377 |
|
|
// Configure our Unbound service
|
| 378 |
|
|
do_as_unbound_user("unbound-anchor");
|
| 379 |
|
|
unbound_remote_control_setup();
|
| 380 |
|
|
unbound_generate_config();
|
| 381 |
|
|
do_as_unbound_user("start");
|
| 382 |
|
|
require_once("service-utils.inc");
|
| 383 |
|
|
if (is_service_running("unbound"))
|
| 384 |
|
|
do_as_unbound_user("restore_cache");
|
| 385 |
f20afeb6
|
Warren Baker
|
|
| 386 |
|
|
}
|
| 387 |
|
|
|
| 388 |
|
|
function unbound_acl_id_used($id) {
|
| 389 |
fe9d4894
|
Renato Botelho
|
global $config;
|
| 390 |
f20afeb6
|
Warren Baker
|
|
| 391 |
fe9d4894
|
Renato Botelho
|
if (is_array($config['unbound']['acls']))
|
| 392 |
|
|
foreach($config['unbound']['acls'] as & $acls)
|
| 393 |
|
|
if ($id == $acls['aclid'])
|
| 394 |
|
|
return true;
|
| 395 |
f20afeb6
|
Warren Baker
|
|
| 396 |
fe9d4894
|
Renato Botelho
|
return false;
|
| 397 |
f20afeb6
|
Warren Baker
|
}
|
| 398 |
|
|
|
| 399 |
|
|
function unbound_get_next_id() {
|
| 400 |
fe9d4894
|
Renato Botelho
|
$aclid = 0;
|
| 401 |
|
|
while(unbound_acl_id_used($aclid))
|
| 402 |
|
|
$aclid++;
|
| 403 |
|
|
return $aclid;
|
| 404 |
f20afeb6
|
Warren Baker
|
}
|
| 405 |
|
|
|
| 406 |
|
|
// Execute commands as the user unbound
|
| 407 |
|
|
function do_as_unbound_user($cmd) {
|
| 408 |
fe9d4894
|
Renato Botelho
|
global $g;
|
| 409 |
|
|
|
| 410 |
|
|
switch ($cmd) {
|
| 411 |
|
|
case "start":
|
| 412 |
|
|
mwexec("/usr/sbin/unbound -c {$g['unbound_chroot_path']}/unbound.conf");
|
| 413 |
|
|
break;
|
| 414 |
|
|
case "stop":
|
| 415 |
|
|
mwexec("echo '/usr/sbin/unbound-control stop' | /usr/bin/su -m unbound", true);
|
| 416 |
|
|
break;
|
| 417 |
|
|
case "unbound-anchor":
|
| 418 |
|
|
mwexec("echo '/usr/sbin/unbound-anchor -a {$g['unbound_chroot_path']}/root.key' | /usr/bin/su -m unbound", true);
|
| 419 |
|
|
break;
|
| 420 |
|
|
case "unbound-control-setup":
|
| 421 |
|
|
mwexec("echo '/usr/sbin/unbound-control-setup -d {$g['unbound_chroot_path']}' | /usr/bin/su -m unbound", true);
|
| 422 |
|
|
break;
|
| 423 |
|
|
default:
|
| 424 |
|
|
break;
|
| 425 |
|
|
}
|
| 426 |
f20afeb6
|
Warren Baker
|
}
|
| 427 |
|
|
|
| 428 |
|
|
function unbound_add_domain_overrides($pvt=false) {
|
| 429 |
fe9d4894
|
Renato Botelho
|
global $config, $g;
|
| 430 |
|
|
|
| 431 |
|
|
$domains = $config['unbound']['domainoverrides'];
|
| 432 |
|
|
|
| 433 |
|
|
$sorted_domains = msort($domains, "domain");
|
| 434 |
|
|
$result = array();
|
| 435 |
|
|
foreach($sorted_domains as $domain) {
|
| 436 |
|
|
$domain_key = current($domain);
|
| 437 |
|
|
if (!isset($result[$domain_key]))
|
| 438 |
|
|
$result[$domain_key] = array();
|
| 439 |
|
|
$result[$domain_key][] = $domain['ip'];
|
| 440 |
|
|
}
|
| 441 |
|
|
|
| 442 |
|
|
// Domain overrides that have multiple entries need multiple stub-addr: added
|
| 443 |
|
|
$domain_entries = "";
|
| 444 |
|
|
foreach($result as $domain=>$ips) {
|
| 445 |
|
|
if ($pvt == true) {
|
| 446 |
|
|
$domain_entries .= "private-domain: \"$domain\"\n";
|
| 447 |
|
|
$domain_entries .= "domain-insecure: \"$domain\"\n";
|
| 448 |
|
|
} else {
|
| 449 |
|
|
$domain_entries .= "stub-zone:\n";
|
| 450 |
|
|
$domain_entries .= "\tname: \"$domain\"\n";
|
| 451 |
|
|
foreach($ips as $ip)
|
| 452 |
|
|
$domain_entries .= "\tstub-addr: $ip\n";
|
| 453 |
|
|
$domain_entries .= "\tstub-prime: no\n";
|
| 454 |
|
|
}
|
| 455 |
|
|
}
|
| 456 |
|
|
|
| 457 |
|
|
if ($pvt == true)
|
| 458 |
|
|
return $domain_entries;
|
| 459 |
|
|
else
|
| 460 |
|
|
file_put_contents("{$g['unbound_chroot_path']}/domainoverrides.conf", $domain_entries);
|
| 461 |
f20afeb6
|
Warren Baker
|
}
|
| 462 |
|
|
|
| 463 |
|
|
function unbound_add_host_entries() {
|
| 464 |
fe9d4894
|
Renato Botelho
|
global $config, $g;
|
| 465 |
|
|
|
| 466 |
|
|
$unbound_entries = "local-zone: \"{$config['system']['domain']}\" transparent\n";
|
| 467 |
|
|
// IPv4 entries
|
| 468 |
|
|
$unbound_entries .= "local-data-ptr: \"127.0.0.1 localhost\"\n";
|
| 469 |
|
|
$unbound_entries .= "local-data: \"localhost A 127.0.0.1\"\n";
|
| 470 |
|
|
$unbound_entries .= "local-data: \"localhost.{$config['system']['domain']} A 127.0.0.1\"\n";
|
| 471 |
|
|
// IPv6 entries
|
| 472 |
|
|
$unbound_entries .= "local-data-ptr: \"::1 localhost\"\n";
|
| 473 |
|
|
$unbound_entries .= "local-data: \"localhost AAAA ::1\"\n";
|
| 474 |
|
|
$unbound_entries .= "local-data: \"localhost.{$config['system']['domain']} AAAA ::1\"\n";
|
| 475 |
|
|
|
| 476 |
|
|
$listen_addresses = "";
|
| 477 |
|
|
if (isset($config['unbound']['interface'])) {
|
| 478 |
|
|
$interfaces = explode(",", $config['unbound']['interface']);
|
| 479 |
|
|
foreach ($interfaces as $interface) {
|
| 480 |
|
|
if (is_ipaddrv4($interface)) {
|
| 481 |
|
|
$unbound_entries .= "local-data-ptr: \"{$interface} {$config['system']['hostname']}.{$config['system']['domain']}\"\n";
|
| 482 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']}.{$config['system']['domain']} A {$interface}\"\n";
|
| 483 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']} A {$interface}\"\n";
|
| 484 |
|
|
} else if (is_ipaddrv6($interface)) {
|
| 485 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']}.{$config['system']['domain']} AAAA {$interface}\"\n";
|
| 486 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']} AAAA {$interface}\"\n";
|
| 487 |
|
|
} else {
|
| 488 |
|
|
$if = get_real_interface($interface);
|
| 489 |
|
|
if (does_interface_exist($if)) {
|
| 490 |
|
|
$laddr = find_interface_ip($if);
|
| 491 |
|
|
if (is_ipaddrv4($laddr)) {
|
| 492 |
|
|
$unbound_entries .= "local-data-ptr: \"{$laddr} {$config['system']['hostname']}.{$config['system']['domain']}\"\n";
|
| 493 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']}.{$config['system']['domain']} A {$laddr}\"\n";
|
| 494 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']} A {$laddr}\"\n";
|
| 495 |
|
|
}
|
| 496 |
|
|
$laddr6 = find_interface_ipv6($if);
|
| 497 |
|
|
if (is_ipaddrv6($laddr6) && !isset($config['dnsmasq']['strictbind'])) {
|
| 498 |
|
|
$unbound_entries .= "local-data-ptr: \"{$laddr6} {$config['system']['hostname']}.{$config['system']['domain']}\"\n";
|
| 499 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']}.{$config['system']['domain']} AAAA {$laddr}\"\n";
|
| 500 |
|
|
$unbound_entries .= "local-data: \"{$config['system']['hostname']} AAAA {$laddr}\"\n";
|
| 501 |
|
|
}
|
| 502 |
|
|
}
|
| 503 |
|
|
}
|
| 504 |
|
|
}
|
| 505 |
|
|
}
|
| 506 |
|
|
|
| 507 |
|
|
// Static Host entries
|
| 508 |
|
|
if (isset($config['unbound']['hosts'])) {
|
| 509 |
|
|
$host_entries = "";
|
| 510 |
|
|
$added_item = array();
|
| 511 |
|
|
foreach($config['unbound']['hosts'] as $host) {
|
| 512 |
|
|
$current_host = $host['host'];
|
| 513 |
|
|
if ($host['host'] != "")
|
| 514 |
|
|
$host['host'] = $host['host'].".";
|
| 515 |
|
|
if (!$added_item[$current_host]) {
|
| 516 |
|
|
$host_entries .= "local-data-ptr: \"{$host['ip']} {$host['host']}{$host['domain']}\"\n";
|
| 517 |
|
|
if (is_ipaddrv6($host['ip']))
|
| 518 |
|
|
$host_entries .= "local-data: \"{$host['host']}{$host['domain']} IN AAAA {$host['ip']}\"\n";
|
| 519 |
|
|
else
|
| 520 |
|
|
$host_entries .= "local-data: \"{$host['host']}{$host['domain']} IN A {$host['ip']}\"\n";
|
| 521 |
|
|
if (!empty($host['descr']) && isset($config['unbound']['txtsupport']))
|
| 522 |
|
|
$host_entries .= "local-data: '{$host['host']}{$host['domain']} TXT \"".addslashes($host['descr'])."\"'\n";
|
| 523 |
|
|
|
| 524 |
|
|
// Do not add duplicate entries
|
| 525 |
|
|
$added_item[$current_host] = true;
|
| 526 |
|
|
}
|
| 527 |
|
|
}
|
| 528 |
|
|
$unbound_entries .= $host_entries;
|
| 529 |
|
|
}
|
| 530 |
|
|
|
| 531 |
|
|
// Static DHCP entries
|
| 532 |
|
|
$host_entries = "";
|
| 533 |
|
|
if (isset($config['unbound']['regdhcpstatic']) && is_array($config['dhcpd'])) {
|
| 534 |
|
|
foreach ($config['dhcpd'] as $dhcpif => $dhcpifconf)
|
| 535 |
|
|
if (is_array($dhcpifconf['staticmap']) && isset($dhcpifconf['enable']))
|
| 536 |
|
|
foreach ($dhcpifconf['staticmap'] as $host)
|
| 537 |
|
|
if ($host['ipaddr'] && $host['hostname']) {
|
| 538 |
|
|
$host_entries .= "local-data-ptr: \"{$host['ipaddr']} {$host['hostname']}.{$config['system']['domain']}\"\n";
|
| 539 |
|
|
$host_entries .= "local-data: \"{$host['hostname']}.{$config['system']['domain']} IN A {$host['ipaddr']}\"\n";
|
| 540 |
|
|
if (!empty($host['descr']) && $unboundcfg['txtsupport'] == 'on')
|
| 541 |
|
|
$host_entries .= "local-data: '{$host['hostname']}.{$config['system']['domain']} TXT \"".addslashes($host['descr'])."\"'\n";
|
| 542 |
|
|
}
|
| 543 |
|
|
$unbound_entries .= $host_entries;
|
| 544 |
|
|
}
|
| 545 |
|
|
|
| 546 |
|
|
// Handle DHCPLeases added host entries
|
| 547 |
|
|
$dhcplcfg = read_hosts();
|
| 548 |
|
|
$host_entries = "";
|
| 549 |
|
|
if (is_array($dhcplcfg)) {
|
| 550 |
|
|
foreach($dhcplcfg as $key=>$host) {
|
| 551 |
|
|
$host_entries .= "local-data-ptr: \"{$host['ipaddr']} {$host['fqdn']}\"\n";
|
| 552 |
|
|
$host_entries .= "local-data: \"{$host['fqdn']} IN A {$host['ipaddr']}\"\n";
|
| 553 |
|
|
if (!empty($host['name'])) {
|
| 554 |
|
|
$host_entries .= "local-data-ptr: \"{$host['ipaddr']} {$host['name']}\"\n";
|
| 555 |
|
|
$host_entries .= "local-data: \"{$host['name']} IN A {$host['ipaddr']}\"\n";
|
| 556 |
|
|
}
|
| 557 |
|
|
}
|
| 558 |
|
|
$unbound_entries .= $host_entries;
|
| 559 |
|
|
}
|
| 560 |
|
|
|
| 561 |
|
|
// Write out entries
|
| 562 |
|
|
file_put_contents("{$g['unbound_chroot_path']}/host_entries.conf", $unbound_entries);
|
| 563 |
f20afeb6
|
Warren Baker
|
}
|
| 564 |
|
|
|
| 565 |
56a87b19
|
Warren Baker
|
function unbound_control($action) {
|
| 566 |
fe9d4894
|
Renato Botelho
|
global $config, $g;
|
| 567 |
|
|
|
| 568 |
|
|
$cache_dumpfile = "/var/tmp/unbound_cache";
|
| 569 |
|
|
|
| 570 |
|
|
switch ($action) {
|
| 571 |
|
|
case "start":
|
| 572 |
|
|
// Start Unbound
|
| 573 |
|
|
if ($config['unbound']['enable'] == "on") {
|
| 574 |
|
|
if (!is_service_running("unbound"))
|
| 575 |
|
|
do_as_unbound_user("start");
|
| 576 |
|
|
}
|
| 577 |
|
|
break;
|
| 578 |
|
|
case "stop":
|
| 579 |
|
|
if ($config['unbound']['enable'] == "on")
|
| 580 |
|
|
do_as_unbound_user("stop");
|
| 581 |
|
|
break;
|
| 582 |
|
|
case "reload":
|
| 583 |
|
|
if ($config['unbound']['enable'] == "on")
|
| 584 |
|
|
do_as_unbound_user("reload");
|
| 585 |
|
|
break;
|
| 586 |
|
|
case "dump_cache":
|
| 587 |
|
|
// Dump Unbound's Cache
|
| 588 |
|
|
if ($config['unbound']['dumpcache'] == "on")
|
| 589 |
|
|
do_as_unbound_user("dump_cache");
|
| 590 |
|
|
break;
|
| 591 |
|
|
case "restore_cache":
|
| 592 |
|
|
// Restore Unbound's Cache
|
| 593 |
|
|
if ((is_service_running("unbound")) && ($config['unbound']['dumpcache'] == "on")) {
|
| 594 |
|
|
if (file_exists($cache_dumpfile) && filesize($cache_dumpfile) > 0)
|
| 595 |
|
|
do_as_unbound_user("load_cache < /var/tmp/unbound_cache");
|
| 596 |
|
|
}
|
| 597 |
|
|
break;
|
| 598 |
|
|
default:
|
| 599 |
|
|
break;
|
| 600 |
|
|
|
| 601 |
|
|
}
|
| 602 |
56a87b19
|
Warren Baker
|
}
|
| 603 |
|
|
|
| 604 |
|
|
// Generation of Unbound statistics
|
| 605 |
|
|
function unbound_statistics() {
|
| 606 |
fe9d4894
|
Renato Botelho
|
global $config;
|
| 607 |
|
|
|
| 608 |
|
|
if ($config['stats'] == "on") {
|
| 609 |
|
|
$stats_interval = $config['unbound']['stats_interval'];
|
| 610 |
|
|
$cumulative_stats = $config['cumulative_stats'];
|
| 611 |
|
|
if ($config['extended_stats'] == "on")
|
| 612 |
|
|
$extended_stats = "yes";
|
| 613 |
|
|
else
|
| 614 |
|
|
$extended_stats = "no";
|
| 615 |
|
|
} else {
|
| 616 |
|
|
$stats_interval = "0";
|
| 617 |
|
|
$cumulative_stats = "no";
|
| 618 |
|
|
$extended_stats = "no";
|
| 619 |
|
|
}
|
| 620 |
|
|
/* XXX To do - add RRD graphs */
|
| 621 |
|
|
$stats = <<<EOF
|
| 622 |
56a87b19
|
Warren Baker
|
# Unbound Statistics
|
| 623 |
|
|
statistics-interval: {$stats_interval}
|
| 624 |
|
|
extended-statistics: yes
|
| 625 |
|
|
statistics-cumulative: yes
|
| 626 |
|
|
|
| 627 |
|
|
EOF;
|
| 628 |
|
|
|
| 629 |
fe9d4894
|
Renato Botelho
|
return $stats;
|
| 630 |
56a87b19
|
Warren Baker
|
}
|
| 631 |
|
|
|
| 632 |
8fccab67
|
Warren Baker
|
// Unbound Access lists
|
| 633 |
|
|
function unbound_acls_config() {
|
| 634 |
fe9d4894
|
Renato Botelho
|
global $g, $config;
|
| 635 |
|
|
|
| 636 |
|
|
$aclcfg = "access-control: 127.0.0.1/32 allow\n";
|
| 637 |
|
|
$aclcfg .= "access-control: ::1 allow\n";
|
| 638 |
|
|
// Add our networks for active interfaces including localhost
|
| 639 |
|
|
if (!empty($config['unbound']['active_interface']))
|
| 640 |
|
|
$active_interfaces = array_flip(explode(",", $config['unbound']['active_interface']));
|
| 641 |
|
|
else
|
| 642 |
|
|
$active_interfaces = get_configured_interface_with_descr();
|
| 643 |
|
|
|
| 644 |
|
|
$bindints = "";
|
| 645 |
|
|
foreach($active_interfaces as $ubif => $ifdesc) {
|
| 646 |
|
|
$ifip = get_interface_ip($ubif);
|
| 647 |
|
|
if (!is_null($ifip)) {
|
| 648 |
|
|
$subnet_bits = get_interface_subnet($ubif);
|
| 649 |
|
|
$subnet_ip = gen_subnet($ifip, $subnet_bits);
|
| 650 |
|
|
$aclcfg .= "access-control: {$subnet_ip}/{$subnet_bits} allow\n";
|
| 651 |
|
|
}
|
| 652 |
|
|
$ifip = get_interface_ipv6($ubif);
|
| 653 |
|
|
if (!is_null($ifip)) {
|
| 654 |
|
|
$subnet_bits = get_interface_subnetv6($ubif);
|
| 655 |
|
|
$subnet_ip = gen_subnetv6($ifip, $subnet_bits);
|
| 656 |
|
|
$aclcfg .= "access-control: {$subnet_ip}/{$subnet_bits} allow\n";
|
| 657 |
|
|
}
|
| 658 |
|
|
}
|
| 659 |
|
|
|
| 660 |
|
|
// Configure the custom ACLs
|
| 661 |
|
|
if (is_array($config['unbound']['acls'])) {
|
| 662 |
|
|
foreach($config['unbound']['acls'] as $unbound_acl) {
|
| 663 |
|
|
$aclcfg .= "#{$unbound_acl['aclname']}\n";
|
| 664 |
|
|
foreach($unbound_acl['row'] as $network) {
|
| 665 |
|
|
if ($unbound_acl['aclaction'] == "allow snoop")
|
| 666 |
|
|
$unbound_acl['aclaction'] = "allow_snoop";
|
| 667 |
|
|
$aclcfg .= "access-control: {$network['acl_network']}/{$network['mask']} {$unbound_acl['aclaction']}\n";
|
| 668 |
|
|
}
|
| 669 |
|
|
}
|
| 670 |
|
|
}
|
| 671 |
|
|
// Write out Access list
|
| 672 |
|
|
file_put_contents("{$g['unbound_chroot_path']}/access_lists.conf", $aclcfg);
|
| 673 |
58d00e65
|
Warren Baker
|
|
| 674 |
8fccab67
|
Warren Baker
|
}
|
| 675 |
|
|
|
| 676 |
f6248774
|
Warren Baker
|
// Generate hosts and reload services
|
| 677 |
|
|
function unbound_hosts_generate() {
|
| 678 |
fe9d4894
|
Renato Botelho
|
// Generate our hosts file
|
| 679 |
|
|
unbound_add_host_entries();
|
| 680 |
f6248774
|
Warren Baker
|
|
| 681 |
fe9d4894
|
Renato Botelho
|
// Reload our service to read the updates
|
| 682 |
|
|
unbound_control("reload");
|
| 683 |
f6248774
|
Warren Baker
|
}
|
| 684 |
|
|
|
| 685 |
3f0c20c3
|
Renato Botelho
|
?>
|