diff options
Diffstat (limited to 'config/haproxy-stable/haproxy.inc')
-rw-r--r-- | config/haproxy-stable/haproxy.inc | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/config/haproxy-stable/haproxy.inc b/config/haproxy-stable/haproxy.inc new file mode 100644 index 00000000..455638a1 --- /dev/null +++ b/config/haproxy-stable/haproxy.inc @@ -0,0 +1,581 @@ +<?php +/* + haproxy.inc + Copyright (C) 2009 Scott Ullrich <sullrich@pfsense.com> + Copyright (C) 2008 Remco Hoef + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* include all configuration functions */ +require_once("functions.inc"); +require_once("pkg-utils.inc"); +require_once("notices.inc"); + +$d_haproxyconfdirty_path = $g['varrun_path'] . "/haproxy.conf.dirty"; + +$a_acltypes = array(); +$a_acltypes[] = array('name' => 'host_starts_with', 'descr' => 'Host starts with', + 'mode' => 'http', 'syntax' => 'hdr_beg(host) -i'); +$a_acltypes[] = array('name' => 'host_ends_with', 'descr' => 'Host ends with', + 'mode' =>'http', 'syntax' => 'hdr_end(host) -i'); +$a_acltypes[] = array('name' => 'host_matches', 'descr' => 'Host matches', + 'mode' =>'http', 'syntax' => 'hdr(host) -i'); +$a_acltypes[] = array('name' => 'host_regex', 'descr' => 'Host regex', + 'mode' =>'http', 'syntax' => 'hdr_reg(host) -i'); +$a_acltypes[] = array('name' => 'host_contains', 'descr' => 'Host contains', + 'mode' => 'http', 'syntax' => 'hdr_dir(host) -i'); +$a_acltypes[] = array('name' => 'path_starts_with', 'descr' => 'Path starts with', + 'mode' => 'http', 'syntax' => 'path_beg -i'); +$a_acltypes[] = array('name' => 'path_ends_with', 'descr' => 'Path ends with', + 'mode' => 'http', 'syntax' => 'path_end -i'); +$a_acltypes[] = array('name' => 'path_matches', 'descr' => 'Path matches', + 'mode' => 'http', 'syntax' => 'path -i'); +$a_acltypes[] = array('name' => 'path_regex', 'descr' => 'Path regex', + 'mode' => 'http', 'syntax' => 'path_reg -i'); +$a_acltypes[] = array('name' => 'path_contains', 'descr' => 'Path contains', + 'mode' => 'http', 'syntax' => 'path_dir -i'); +$a_acltypes[] = array('name' => 'source_ip', 'descr' => 'Source IP', + 'mode' => '', 'syntax' => 'src'); + +function haproxy_custom_php_deinstall_command() { + exec("rm /usr/local/sbin/haproxy"); + exec("rm /usr/local/pkg/haproxy.inc"); + exec("rm /usr/local/www/haproxy*"); +} + +function haproxy_custom_php_install_command() { + global $g, $config; + conf_mount_rw(); + + $haproxy = <<<EOD +#!/bin/sh + +# PROVIDE: haproxy +# REQUIRE: LOGIN +# KEYWORD: FreeBSD + +. /etc/rc.subr + +name="haproxy" +rcvar=`set_rcvar` +command="/usr/local/bin/haproxy" +haproxy_enable=\${haproxy-"YES"} + +start_cmd="haproxy_start" +stop_postcmd="haproxy_stop" + +load_rc_config \$name + +haproxy_start () { + echo "Starting haproxy." + /usr/bin/env \ + PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \ + /usr/local/bin/php -q -d auto_prepend_file=config.inc <<ENDOFF + <?php + require_once("globals.inc"); + require_once("functions.inc"); + require_once("haproxy.inc"); + haproxy_configure(); + ?> +ENDOFF +} + +haproxy_stop () { + echo "Stopping haproxy." + killall haproxy +} + +run_rc_command "\$1" + +EOD; + + $fd = fopen("/usr/local/etc/rc.d/haproxy.sh", "w"); + fwrite($fd, $haproxy); + fclose($fd); + exec("chmod a+rx /usr/local/etc/rc.d/haproxy.sh"); + + conf_mount_ro(); + + exec("/usr/local/etc/rc.d/haproxy.sh start"); +} + +function haproxy_find_acl($name) { + global $a_acltypes; + + /* XXX why is this broken from xmlsync? */ + if (!$a_acltypes) { + $a_acltypes = array(); + $a_acltypes[] = array('name' => 'host_starts_with', 'descr' => 'Host starts with', + 'mode' => 'http', 'syntax' => 'hdr_beg(host) -i'); + $a_acltypes[] = array('name' => 'host_ends_with', 'descr' => 'Host ends with', + 'mode' =>'http', 'syntax' => 'hdr_end(host) -i'); + $a_acltypes[] = array('name' => 'host_matches', 'descr' => 'Host matches', + 'mode' =>'http', 'syntax' => 'hdr(host) -i'); + $a_acltypes[] = array('name' => 'host_regex', 'descr' => 'Host regex', + 'mode' =>'http', 'syntax' => 'hdr_reg(host) -i'); + $a_acltypes[] = array('name' => 'host_contains', 'descr' => 'Host contains', + 'mode' => 'http', 'syntax' => 'hdr_dir(host) -i'); + $a_acltypes[] = array('name' => 'path_starts_with', 'descr' => 'Path starts with', + 'mode' => 'http', 'syntax' => 'path_beg -i'); + $a_acltypes[] = array('name' => 'path_ends_with', 'descr' => 'Path ends with', + 'mode' => 'http', 'syntax' => 'path_end -i'); + $a_acltypes[] = array('name' => 'path_matches', 'descr' => 'Path matches', + 'mode' => 'http', 'syntax' => 'path -i'); + $a_acltypes[] = array('name' => 'path_regex', 'descr' => 'Path regex', + 'mode' => 'http', 'syntax' => 'path_reg -i'); + $a_acltypes[] = array('name' => 'path_contains', 'descr' => 'Path contains', + 'mode' => 'http', 'syntax' => 'path_dir -i'); + $a_acltypes[] = array('name' => 'source_ip', 'descr' => 'Source IP', + 'mode' => '', 'syntax' => 'src'); + } + + if($a_acltypes) { + foreach ($a_acltypes as $acl) { + if ($acl['name'] == $name) + return $acl; + } + } +} + +function write_backend($fd, $name, $pool, $frontend) { + if($pool['status'] != 'active' || !is_array($pool['ha_servers']['item'])) + continue; + + fwrite ($fd, "backend " . $name . "\n"); + if($pool['cookie_name'] && strtolower($frontend['type']) == "http") + fwrite ($fd, "\tcookie\t\t\t" . $pool['cookie_name'] . " insert indirect\n"); + + // https is an alias for tcp for clarity purpouses + if(strtolower($frontend['type']) == "https") { + $backend_type = "tcp"; + $httpchk = "ssl-hello-chk"; + } else { + $backend_type = $frontend['type']; + $httpchk = "httpchk"; + } + + fwrite ($fd, "\tmode\t\t\t" . $backend_type . "\n"); + + if($frontend['balance']) + fwrite ($fd, "\tbalance\t\t\t" . $frontend['balance'] . "\n"); + + if($frontend['connection_timeout']) + fwrite ($fd, "\tcontimeout\t\t" . $frontend['connection_timeout'] . "\n"); + + if($frontend['server_timeout']) + fwrite ($fd, "\tsrvtimeout\t\t" . $frontend['server_timeout'] . "\n"); + + if($frontend['retries']) + fwrite ($fd, "\tretries\t\t\t" . $frontend['retries'] . "\n"); + + if($frontend['stats_enabled']=='yes') { + fwrite ($fd, "\tstats\t\t\tenable\n"); + if($frontend['stats_uri']) + fwrite ($fd, "\tstats\t\t\turi ".$frontend['stats_uri']."\n"); + if($frontend['stats_realm']) + fwrite ($fd, "\tstats\t\t\trealm " . $frontend['stats_realm'] . "\n"); + else + fwrite ($fd, "\tstats\t\t\trealm .\n"); + fwrite ($fd, "\tstats\t\t\tauth " . $frontend['stats_username'].":". $frontend['stats_password']."\n"); + } + + $uri = $pool['monitor_uri']; + if ($pool['monitor_uri']) + $uri = $pool['monitor_uri']; + else + $uri = "/"; + fwrite ($fd, "\toption\t\t\t{$httpchk} HEAD " . $uri . " HTTP/1.0\n"); + + if($pool['cookie'] && strtolower($frontend['type']) == "http") + $cookie = " cookie {$pool['cookie']} "; + else + $cookie = ""; + if($pool['advanced']) { + $advanced = base64_decode($pool['advanced']); + $advanced_txt = " " . $advanced; + } else { + $advanced_txt = ""; + } + if($pool['checkinter']) + $checkinter = "check inter {$pool['checkinter']}"; + else if (strtolower($frontend['type']) != "tcp") + $checkinter = "check inter 1000"; + else + $checkinter = ""; + + $a_servers = &$pool['ha_servers']['item']; + foreach($a_servers as $be) { + if(!$be['port']) { + // the listener can specify a default port + $be['port'] = $frontend['svrport']; + } + if(!$be['port']) { + // last resort, use the frontend port + $ports = split(",", "{$frontend['port']},"); + $be['port'] = $ports[0]; + } + if (!$be['name']) + $be['name'] = $be['address']; + if($be['backup']) { + $isbackup = "backup"; + } else { + $isbackup = ""; + } + fwrite ($fd, "\tserver\t\t\t" . $be['name'] . " " . $be['address'].":" . $be['port'] . " $cookie " . " $checkinter $isbackup weight " . $be['weight'] . "{$advanced_txt}\n"); + } + fwrite ($fd, "\n"); +} + +function haproxy_configure() { + global $config, $g; + + $a_global = &$config['installedpackages']['haproxy']; + $a_backends = &$config['installedpackages']['haproxy']['ha_backends']['item']; + $a_pools = &$config['installedpackages']['haproxy']['ha_pools']['item']; + + $fd = fopen("{$g['varetc_path']}/haproxy.cfg", "w"); + + if(is_array($a_global)) { + fwrite ($fd, "global\n"); + if($a_global['advanced']) + fwrite ($fd, "\t" . base64deode($a_global['advanced']) . "\n"); + fwrite ($fd, "\tmaxconn\t\t\t".$a_global['maxconn']."\n"); + if($a_global['remotesyslog']) + fwrite ($fd, "\tlog\t\t\t{$a_global['remotesyslog']}\t{$a_global['logfacility']}\t{$a_global['loglevel']}\n"); + fwrite ($fd, "\tuid\t\t\t80\n"); + fwrite ($fd, "\tgid\t\t\t80\n"); + // Set numprocs if defined or use system default (#cores) + if($a_global['nbproc']) + $numprocs = $a_global['nbproc']; + else + $numprocs = trim(`/sbin/sysctl kern.smp.cpus | cut -d" " -f2`); + fwrite ($fd, "\tnbproc\t\t\t$numprocs\n"); + fwrite ($fd, "\tchroot\t\t\t/var/empty\n"); + fwrite ($fd, "\tdaemon\n"); + fwrite ($fd, "\n"); + } + + // Try and get a unique array for address:port as frontends can duplicate + $a_bind = array(); + if(is_array($a_backends)) { + foreach ($a_backends as $backend) { + if($backend['status'] != 'active') + continue; + if(!$backend['pool']) + continue; + + $bname = $backend['extaddr'] . ":" . $backend['port']; + if (!is_array($a_bind[$bname])) { + $a_bind[$bname] = array(); + $a_bind[$bname]['config'] = array(); + // Settings which are constant for a merged frontend + $a_bind[$bname]['name'] = $backend['name']; + $a_bind[$bname]['defaultpool'] = $backend['pool'] . "_" . strtolower($backend['type']); + $a_bind[$bname]['extaddr'] = $backend['extaddr']; + $a_bind[$bname]['port'] = $backend['port']; + } + $b = &$a_bind[$bname]; + + // Overwrite ? + $b['type'] = $backend['type']; + $b['forwardfor'] = $backend['forwardfor']; + $b['httpclose'] = $backend['httpclose']; + $b['max_connections'] = $backend['max_connections']; + $b['client_timeout'] = $backend['client_timeout']; + $b['advanced'] = $backend['advanced']; + + // pointer to each backend + $b['config'][] = $backend; + } + } + + $a_pendingpl = array(); + + // Construct and write out configuration file + if(is_array($a_bind)) { + foreach ($a_bind as $bind) { + if (count($bind['config']) > 1) + $frontendinfo = "frontend {$bind['name']}-merged\n"; + else + $frontendinfo = "frontend {$bind['name']}\n"; + + // Prepare ports for processing by splitting + $portss = "{$bind['port']},"; + $ports = split(",", $portss); + + // Initialize variable + $listenip = ""; + + // Process and add bind directives for ports + foreach($ports as $port) { + if($port) { + if($bind['extaddr'] == "any") + $listenip .= "\tbind\t\t\t0.0.0.0:{$port}\n"; + elseif($bind['extaddr']) + $listenip .= "\tbind\t\t\t{$bind['extaddr']}:{$port}\n"; + else + $listenip .= "\tbind\t\t\t" . get_current_wan_address('wan') . ":{$port}\n"; + } + } + + fwrite ($fd, "{$frontendinfo}"); + fwrite ($fd, "{$listenip}"); + + // Advanced pass thru + if($bind['advanced']) { + $advanced = base64_decode($bind['advanced']); + fwrite($fd, "\t" . $advanced . "\n"); + } + + // https is an alias for tcp for clarity purpouses + if(strtolower($bind['type']) == "https") { + $backend_type = "tcp"; + $httpchk = "ssl-hello-chk"; + } else { + $backend_type = $bind['type']; + $httpchk = "httpchk"; + } + + fwrite ($fd, "\tmode\t\t\t" . $backend_type . "\n"); + fwrite ($fd, "\tlog\t\t\tglobal\n"); + fwrite ($fd, "\toption\t\t\tdontlognull\n"); + + if($bind['httpclose']) + fwrite ($fd, "\toption\t\t\thttpclose\n"); + + if($bind['forwardfor']) + fwrite ($fd, "\toption\t\t\tforwardfor\n"); + + if($bind['max_connections']) + fwrite ($fd, "\tmaxconn\t\t\t" . $bind['max_connections'] . "\n"); + + if($bind['client_timeout']) + fwrite ($fd, "\tclitimeout\t\t" . $bind['client_timeout'] . "\n"); + + fwrite ($fd, "\tdefault_backend\t\t" . $bind['defaultpool'] . "\n"); + + // Combine the rest of the listener configs + $i = 0; + foreach ($bind['config'] as $bconfig) { + $a_acl=&$bconfig['ha_acls']['item']; + if(!is_array($a_acl)) + $a_acl=array(); + + $poolname = $bconfig['pool'] . "_" . strtolower($bconfig['type']); + if (!isset($a_pendingpl[$poolname])) { + $a_pendingpl[$poolname] = array(); + $a_pendingpl[$poolname]['name'] = $poolname; + $a_pendingpl[$poolname]['frontend'] = $bconfig; + } + + foreach ($a_acl as $entry) { + $acl = haproxy_find_acl($entry['expression']); + if (!$acl) + continue; + + // Filter out acls for different modes + if ($acl['mode'] != '' && $acl['mode'] != strtolower($bind['type'])) + continue; + + if ($acl['syntax'] != '') + $expr = $acl['syntax'] . " " . $entry['value']; + else + $expr = $entry['expression'] . " " . $entry['value']; + + $aclname = $i . "_" . $entry['name']; + fwrite ($fd, "\tacl\t\t\t" . $aclname . "\t" . $expr . "\n"); + fwrite ($fd, "\tuse_backend\t\t" . $poolname . " if " . $aclname . "\n"); + $i++; + } + + } + fwrite ($fd, "\n"); + } + } + if (is_array($a_pendingpl) && is_array($a_pools)) { + foreach ($a_pendingpl as $pending) { + foreach ($a_pools as $pool) { + if ($pending['frontend']['pool'] == $pool['name']) { + write_backend($fd, $pending['name'], $pool, $pending['frontend']); + } + } + } + } + fwrite ($fd, "\n"); + + // Sync HAProxy configuration (if enabled) + if(isset($config['installedpackages']['haproxy']['enablesync'])) { + if($config['installedpackages']['haproxy']['synchost1']) { + haproxy_do_xmlrpc_sync($config['installedpackages']['haproxy']['synchost1'], + $config['installedpackages']['haproxy']['syncpassword']); + } + if($config['installedpackages']['haproxy']['synchost2']) { + haproxy_do_xmlrpc_sync($config['installedpackages']['haproxy']['synchost2'], + $config['installedpackages']['haproxy']['syncpassword']); + } + if($config['installedpackages']['haproxy']['synchost3']) { + haproxy_do_xmlrpc_sync($config['installedpackages']['haproxy']['synchost3'], + $config['installedpackages']['haproxy']['syncpassword']); + } + } + + // create config file + fclose($fd); + + $freebsd_version = substr(trim(`uname -r`), 0, 1); + if(!file_exists("/usr/bin/limits")) { + exec("fetch -q -o /usr/bin/limits http://files.pfsense.org/extras/{$freebsd_version}/limits"); + exec("chmod a+rx /usr/bin/limits"); + } + + exec("/usr/bin/limits -n 300014"); + + // reload haproxy + if(isset($a_global['enable'])) { + if(is_process_running('haproxy')) { + exec("/usr/local/sbin/haproxy -f /var/etc/haproxy.cfg -p /var/run/haproxy.pid -st `cat /var/run/haproxy.pid`"); + } else { + exec("/usr/local/sbin/haproxy -f /var/etc/haproxy.cfg -p /var/run/haproxy.pid -D"); + } + return (0); + } else { + return (1); + } +} + +function haproxy_do_xmlrpc_sync($sync_to_ip, $password) { + global $config, $g; + + if(!$password) + return; + + if(!$sync_to_ip) + return; + + // Do not allow syncing to self. + $donotsync = false; + $lanip = find_interface_ip($config['interfaces']['lan']['if']); + if($lanip == $sync_to_ip) + $donotsync = true; + $wanip = find_interface_ip($config['interfaces']['wan']['if']); + if($wanip == $sync_to_ip) + $donotsync = true; + for ($j = 1; isset($config['interfaces']['opt' . $j]); $j++) { + $optip = find_interface_ip($config['interfaces']['opt' . $j]['if']); + if($optip == $sync_to_ip) + $donotsync = true; + } + if($donotsync) { + log_error("Disallowing sync loop for HAProxy sync."); + return; + } + + $xmlrpc_sync_neighbor = $sync_to_ip; + if($config['system']['webgui']['protocol'] != "") { + $synchronizetoip = $config['system']['webgui']['protocol']; + $synchronizetoip .= "://"; + } + $port = $config['system']['webgui']['port']; + /* if port is empty lets rely on the protocol selection */ + if($port == "") { + if($config['system']['webgui']['protocol'] == "http") + $port = "80"; + else + $port = "443"; + } + $synchronizetoip .= $sync_to_ip; + + /* xml will hold the sections to sync */ + $xml = array(); + $xml['haproxy'] = $config['installedpackages']['haproxy']; + + // Prevent sync loops + unset($xml['synchost1']); + unset($xml['synchost2']); + unset($xml['synchost3']); + unset($xml['syncpassword']); + + /* assemble xmlrpc payload */ + $params = array( + XML_RPC_encode($password), + XML_RPC_encode($xml) + ); + + /* set a few variables needed for sync code borrowed from filter.inc */ + $url = $synchronizetoip; + log_error("Beginning HAProxy XMLRPC sync to {$url}:{$port}."); + $method = 'pfsense.merge_installedpackages_section_xmlrpc'; + $msg = new XML_RPC_Message($method, $params); + $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port); + $cli->setCredentials('admin', $password); + if($g['debug']) + $cli->setDebug(1); + /* send our XMLRPC message and timeout after 250 seconds */ + $resp = $cli->send($msg, "250"); + if(!$resp) { + $error = "A communications error occurred while attempting HAProxy XMLRPC sync with {$url}:{$port}."; + log_error($error); + file_notice("sync_settings", $error, "HAProxy Settings Sync", ""); + } elseif($resp->faultCode()) { + $cli->setDebug(1); + $resp = $cli->send($msg, "250"); + $error = "An error code was received while attempting HAProxy XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString(); + log_error($error); + file_notice("sync_settings", $error, "HAProxy Settings Sync", ""); + } else { + log_error("HAProxy XMLRPC sync successfully completed with {$url}:{$port}."); + } + + /* tell haproxy to reload our settings on the destionation sync host. */ + $method = 'pfsense.exec_php'; + $execcmd = "require_once('/usr/local/pkg/haproxy.inc');\n"; + $execcmd .= "haproxy_configure();\n"; + + /* assemble xmlrpc payload */ + $params = array( + XML_RPC_encode($password), + XML_RPC_encode($execcmd) + ); + + log_error("HAProxy XMLRPC reload data {$url}:{$port}."); + $msg = new XML_RPC_Message($method, $params); + $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port); + $cli->setCredentials('admin', $password); + $resp = $cli->send($msg, "250"); + if(!$resp) { + $error = "A communications error occurred while attempting HAProxy XMLRPC sync with {$url}:{$port} (pfsense.exec_php)."; + log_error($error); + file_notice("sync_settings", $error, "HAProxy Settings Reload", ""); + } elseif($resp->faultCode()) { + $cli->setDebug(1); + $resp = $cli->send($msg, "250"); + $error = "An error code was received while attempting HAProxy XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString(); + log_error($error); + file_notice("sync_settings", $error, "HAProxy Settings Sync", ""); + } else { + log_error("HAProxy XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php)."); + } +} + +?> |