<?php /* $Id$ */ /* squid_reverse.inc Copyright (C) 2012 Martin Fuchs Copyright (C) 2012 Marcello Coutinho Copyright (C) 2013 Gekkenhuis 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. */ function squid_resync_reverse() { global $config; //if(!is_array($valid_acls)) // return; //CONFIG FILE if (is_array($config['installedpackages']['squidreversegeneral'])) $settings = $config['installedpackages']['squidreversegeneral']['config'][0]; if (is_array($config['installedpackages']['squidreversepeer'])) $reverse_peers=$config['installedpackages']['squidreversepeer']['config']; if (is_array($config['installedpackages']['squidreverseuri'])) $reverse_maps=$config['installedpackages']['squidreverseuri']['config']; if (is_array($config['installedpackages']['squidreverseredir'])) $reverse_redir=$config['installedpackages']['squidreverseredir']['config']; $conf = "# Reverse Proxy settings\n"; if(isset($settings["reverse_ssl_cert"]) && $settings["reverse_ssl_cert"] != "none") { $svr_cert = lookup_cert($settings["reverse_ssl_cert"]); if ($svr_cert != false) { if(base64_decode($svr_cert['crt'])) { file_put_contents(SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.crt",sq_text_area_decode($svr_cert['crt'])); $reverse_crt = SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.crt"; } if(base64_decode($svr_cert['prv'])) { file_put_contents(SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.key",sq_text_area_decode($svr_cert['prv'])); $reverse_key = SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.key"; } } } if (!empty($settings['reverse_int_ca'])) file_put_contents(SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.crt","\n" . sq_text_area_decode($settings['reverse_int_ca']),FILE_APPEND | LOCK_EX); $ifaces = ($settings['reverse_interface'] ? $settings['reverse_interface'] : 'wan'); $real_ifaces = array(); #set HTTP port and defsite $http_port=(empty($settings['reverse_http_port'])?"80":$settings['reverse_http_port']); $http_defsite=(empty($settings['reverse_http_defsite'])?$settings['reverse_external_fqdn']:$settings['reverse_http_defsite']); #set HTTPS port and defsite $https_port=(empty($settings['reverse_https_port'])?"443":$settings['reverse_https_port']); $https_defsite=(empty($settings['reverse_https_defsite'])?$settings['reverse_external_fqdn']:$settings['reverse_https_defsite']); foreach (explode(",", $ifaces) as $i => $iface) { $real_ifaces[] = squid_get_real_interface_address($iface); if($real_ifaces[$i][0]) { //HTTP if (!empty($settings['reverse_http'])) $conf .= "http_port {$real_ifaces[$i][0]}:{$http_port} accel defaultsite={$http_defsite} vhost\n"; //HTTPS if (!empty($settings['reverse_https'])) $conf .= "https_port {$real_ifaces[$i][0]}:{$https_port} accel cert={$reverse_crt} key={$reverse_key} defaultsite={$https_defsite} vhost\n"; } } if(!empty($settings['reverse_ip'])) { $reverse_ip = explode(";", ($settings['reverse_ip'])); foreach ($reverse_ip as $reip) { //IPv6 Addresses need to be enclosed in brackets if (strpos($reip, ':')) $reip = '[' . $reip . ']'; //HTTP if (!empty($settings['reverse_http'])) $conf .= "http_port {$reip}:{$http_port} accel defaultsite={$http_defsite} vhost\n"; //HTTPS if (!empty($settings['reverse_https'])) $conf .= "https_port {$reip}:{$https_port} accel cert={$reverse_crt} key={$reverse_key} defaultsite={$https_defsite} vhost\n"; } } //PEERS if (($settings['reverse_owa'] == 'on') && (!empty($settings['reverse_owa_ip']))) $conf .= "cache_peer {$settings['reverse_owa_ip']} parent 443 0 proxy-only no-query originserver login=PASS connection-auth=on ssl sslflags=DONT_VERIFY_PEER front-end-https=on name=OWA_HOST_pfs\n"; $active_peers=array(); if (is_array($reverse_peers)) foreach ($reverse_peers as $rp){ if ($rp['enable'] =="on" && $rp['name'] !="" && $rp['ip'] !="" && $rp['port'] !=""){ $conf_peer = "#{$rp['description']}\n"; $conf_peer .= "cache_peer {$rp['ip']} parent {$rp['port']} 0 proxy-only no-query no-digest originserver login=PASS round-robin "; if($rp['protocol'] == 'HTTPS') $conf_peer .= "ssl sslflags=DONT_VERIFY_PEER front-end-https=auto "; $conf_peer .= "name=rvp_{$rp['name']}\n\n"; // add peer only if reverse proxy is enabled for http if($rp['protocol'] == 'HTTP' && $settings['reverse_http'] =="on"){ $conf .= $conf_peer; array_push($active_peers,$rp['name']); } // add peer only if if reverse proxy is enabled for https if($rp['protocol'] == 'HTTPS' && $settings['reverse_https'] =="on"){ if (!in_array($rp['name'],$active_peers)){ $conf .= $conf_peer; array_push($active_peers,$rp['name']); } } } } //REDIRECTS if (is_array($reverse_redir)) { foreach ($reverse_redir as $rdr) { if($rdr['enable'] == "on" && $rdr['name'] != "" && $rdr['pathregex'] != "" && $rdr['redirurl'] != "") { $conf_rdr = "# Redirect: {$rdr['description']}\n"; if (is_array($rdr['row'])) { foreach ($rdr['row'] as $uri) { $conf_rdr .= "acl rdr_dst_{$rdr['name']} dstdomain {$uri['uri']}\n"; } } $conf_rdr .= "acl rdr_path_{$rdr['name']} urlpath_regex {$rdr['pathregex']}\n"; $conf_rdr .= "deny_info {$rdr['redirurl']} rdr_path_{$rdr['name']}\n"; foreach (explode(',', $rdr['protocol']) as $rdr_protocol) { if($rdr_protocol == "HTTP") { $conf_rdr .= "http_access deny HTTP rdr_dst_{$rdr['name']} rdr_path_{$rdr['name']}\n"; } if($rdr_protocol == "HTTPS") { $conf_rdr .= "http_access deny HTTPS rdr_dst_{$rdr['name']} rdr_path_{$rdr['name']}\n"; } } $conf_rdr .= "\n"; } $conf .= $conf_rdr; } } //ACLS and MAPPINGS //create an empty owa_dirs to populate based on user selected options $owa_dirs=array(); if (($settings['reverse_owa'] == 'on') && $settings['reverse_https'] =="on"){ if(!empty($settings['reverse_owa_ip'])){ array_push($owa_dirs,'owa','exchange','public','exchweb','ecp','OAB'); if($settings['reverse_owa_activesync']) array_push($owa_dirs,'Microsoft-Server-ActiveSync'); if($settings['reverse_owa_rpchttp']) array_push($owa_dirs,'rpc/rpcproxy.dll','rpcwithcert/rpcproxy.dll'); if($settings['reverse_owa_webservice']){ array_push($owa_dirs,'EWS'); //$conf .= "ignore_expect_100 on\n"; Obsolete on 3.3 } } if (is_array($owa_dirs)) foreach ($owa_dirs as $owa_dir) $conf .= "acl OWA_URI_pfs url_regex -i ^https://{$settings['reverse_external_fqdn']}/$owa_dir.*$\n"; if (($settings['reverse_owa'] == 'on') && (!empty($settings['reverse_owa_ip'])) && ($settings['reverse_owa_autodiscover'] == 'on')) { $reverse_external_domain = strstr($settings['reverse_external_fqdn'], '.'); $conf .= "acl OWA_URI_pfs url_regex -i ^https://autodiscover{$reverse_external_domain}/AutoDiscover/AutoDiscover.xml\n"; } } //$conf .= "ssl_unclean_shutdown on"; if (is_array($reverse_maps)) foreach ($reverse_maps as $rm){ if ($rm['enable'] == "on" && $rm['name']!="" && $rm['peers']!=""){ if (is_array($rm['row'])) foreach ($rm['row'] as $uri){ $url_regex=($uri['uri'] == '' ? $settings['reverse_external_fqdn'] : $uri['uri'] ); //$conf .= "acl rvm_{$rm['name']} url_regex -i {$uri['uri']}{$url_regex}.*$\n"; $conf .= "acl rvm_{$rm['name']} url_regex -i {$url_regex}\n"; if($rm['name'] != $last_rm_name){ $cache_peer_never_direct_conf .= "never_direct allow rvm_{$rm['name']}\n"; $http_access_conf .= "http_access allow rvm_{$rm['name']}\n"; foreach (explode(',',$rm['peers']) as $map_peer) if (in_array($map_peer,$active_peers)){ $cache_peer_allow_conf .= "cache_peer_access rvp_{$map_peer} allow rvm_{$rm['name']}\n"; $cache_peer_deny_conf .= "cache_peer_access rvp_{$map_peer} deny allsrc\n"; } $last_rm_name=$rm['name']; } } } } //ACCESS if ($settings['reverse_owa'] == 'on' && !empty($settings['reverse_owa_ip']) && $settings['reverse_https'] =="on") { $conf .= "cache_peer_access OWA_HOST_pfs allow OWA_URI_pfs\n"; $conf .= "cache_peer_access OWA_HOST_pfs deny allsrc\n"; $conf .= "never_direct allow OWA_URI_pfs\n"; $conf .= "http_access allow OWA_URI_pfs\n"; } $conf .= $cache_peer_allow_conf.$cache_peer_deny_conf.$cache_peer_never_direct_conf.$http_access_conf."\n"; if (!empty($settings['deny_info_tcp_reset'])) $conf .= "deny_info TCP_RESET allsrc\n"; return $conf; } ?>