Copyright (C) 2008-2023 All Rights Reserved. Contributor(s): Mark J Crane Luis Daniel Lucio Quiroz */ //includes files require_once dirname(__DIR__, 2) . "/resources/require.php"; require_once "resources/functions/device_by.php"; //logging openlog("FusionPBX", LOG_PID | LOG_PERROR, LOG_LOCAL0); //set default variables $dir_count = 0; $file_count = 0; $row_count = 0; $device_template = ''; $database = database::new(); //use an existing connection if possible //define PHP variables from the HTTP values if (isset($_REQUEST['address'])) { $device_address = $_REQUEST['address']; } if (isset($_REQUEST['mac'])) { $device_address = $_REQUEST['mac']; } $file = $_REQUEST['file'] ?? ''; $ext = $_REQUEST['ext'] ?? ''; //if (!empty($_REQUEST['template'])) { // $device_template = $_REQUEST['template']; //} //get the device address for Cisco 79xx in the URL as &name=SEP000000000000 if (empty($device_address)) { $name = $_REQUEST['name']; if (substr($name, 0, 3) == "SEP") { $device_address = strtolower(substr($name, 3, 12)); unset($name); } } // Escence make request based on UserID for Memory keys // The file name is fixed to `Account1_Extern.xml`. // (Account1 is the first account you register) if (empty($device_address) && !empty($ext)) { $domain_array = explode(":", $_SERVER["HTTP_HOST"]); $domain_name = $domain_array[0]; $device = device_by_ext($ext, $domain_name); if ($device !== false && ($device['device_vendor'] == 'escene' || $device['device_vendor'] == 'grandstream')) { $device_address = $device['device_address']; } } //send http error function http_error($error) { //$error_int_val = intval($error); $http_errors = [ 400 => "Bad Request", 401 => "Unauthorized", 402 => "Payment Required", 403 => "Forbidden", 404 => "Not Found", 405 => "Method Not Allowed", 406 => "Not Acceptable", ]; $error_message = $http_errors[$error] ?? ''; if (!empty($error_message)) { header("HTTP/1.1 $error $error_message"); echo "\n"; echo "$error $error_message\n"; echo "\n"; echo "

$error $error_message

\n"; echo "

nginx/1.12.1\n"; echo "\n"; echo "\n"; } exit; } //check alternate device address source if (empty($device_address)) { //set the http user agent //$_SERVER['HTTP_USER_AGENT'] = "Yealink SIP-T38G 38.70.0.125 00:15:65:00:00:00"; //$_SERVER['HTTP_USER_AGENT'] = "Yealink SIP-T56A 58.80.0.25 001565f429a4"; //Aastra: $_SERVER['HTTP_USER_AGENT'] = "Aastra6731i MAC:00-08-5D-29-4C-6B V:3.3.1.4365-SIP" if (substr($_SERVER['HTTP_USER_AGENT'],0,6) == "Aastra") { preg_match("/MAC:([A-F0-9-]{17})/", $_SERVER['HTTP_USER_AGENT'], $matches); $device_address = $matches[1]; $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } //Audiocodes: $_SERVER['HTTP_USER_AGENT'] = "AUDC-IPPhone/2.2.8.61 (440HDG-Rev0; 00908F602AAC)" if (substr($_SERVER['HTTP_USER_AGENT'],0,12) == "AUDC-IPPhone") { $device_address = substr($_SERVER['HTTP_USER_AGENT'],-13); $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } //Fanvil: $_SERVER['HTTP_USER_AGENT'] = "Fanvil X5U-V2 2.12.1 0c3800000000)" if (substr($_SERVER['HTTP_USER_AGENT'],0,6) == "Fanvil") { $device_address = substr($_SERVER['HTTP_USER_AGENT'],-13); $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); //syslog(LOG_WARNING, 'Fanvil Device Address is: '.$device_address); } //Flyingvoice: $_SERVER['HTTP_USER_AGENT'] = "Flyingvoice FIP13G V0.6.24 00:21:F2:22:AE:F1" if (strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,11)) == "flyingvoice") { $device_address = substr($_SERVER['HTTP_USER_AGENT'],-17); $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } //Grandstream: $_SERVER['HTTP_USER_AGENT'] = "Grandstream Model HW GXP2135 SW 1.0.7.97 DevId 000b828aa872" if (substr($_SERVER['HTTP_USER_AGENT'],0,11) == "Grandstream") { $device_address = substr($_SERVER['HTTP_USER_AGENT'],-12); $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } //HTek: $_SERVER['HTTP_USER_AGENT'] = "Htek UC926 2.0.4.2 00:1f:c1:00:00:00" if (substr($_SERVER['HTTP_USER_AGENT'],0,4) == "Htek") { $device_address = substr($_SERVER['HTTP_USER_AGENT'],-17); $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } //Panasonic: $_SERVER['HTTP_USER_AGENT'] = "Panasonic_KX-UT670/01.022 (0080f000000)" if (substr($_SERVER['HTTP_USER_AGENT'],0,9) == "Panasonic") { $device_address = substr($_SERVER['HTTP_USER_AGENT'],-14); $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } //Snom: $userAgent = "Mozilla/4.0 (compatible; snomD785-SIP 10.1.169.16 2010.12-00001-gd311851f1 (Feb 25 2019 - 14:19:43) 00041396D9B4 SXM:0 UXM:0 UXMC:0)" if (substr($_SERVER['HTTP_USER_AGENT'],25,4) == "snom") { $snom_ua = explode(" ", $_SERVER['HTTP_USER_AGENT']); $device_address = $snom_ua[10]; $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } //Yealink: 17 digit mac appended to the user agent, so check for a space exactly 17 digits before the end. if (strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,7)) == "yealink" || strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,5)) == "vp530") { if (strstr(substr($_SERVER['HTTP_USER_AGENT'],-4), ':')) { //remove colons if they exist $device_address = substr($_SERVER['HTTP_USER_AGENT'],-17); $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); } else { //take mac as is - fixes T5X series $device_address = substr($_SERVER['HTTP_USER_AGENT'],-12); } } } //prepare the device address if (isset($device_address)) { //normalize the device address to lower case $device_address = strtolower($device_address); //replace all non hexadecimal values and validate the device address $device_address = preg_replace("#[^a-fA-F0-9./]#", "", $device_address); //if (strlen($device_address) != 12) { // echo "invalid mac address"; // exit; //} } //get http_domain_filter from global settings only (can't be used per domain) $domain_filter = (new settings(['database' => $database]))->get('provision', 'http_domain_filter', 'true') == 'true' ? true : false; //get the domain_uuid, domain_name, device_name and device_vendor $sql = "select d.device_uuid, d.domain_uuid, d.device_vendor, n.domain_name "; $sql .= "from v_devices as d, v_domains as n "; $sql .= "where device_address = :device_address "; $sql .= "and d.domain_uuid = n.domain_uuid "; $parameters['device_address'] = $device_address; if ($domain_filter) { $sql .= "and n.domain_name = :domain_name"; $parameters['domain_name'] = $_SERVER['HTTP_HOST']; } $row = $database->select($sql, $parameters, 'row'); if (is_array($row)) { $device_uuid = $row['device_uuid']; $domain_uuid = $row['domain_uuid']; $domain_name = $row['domain_name']; $device_vendor = $row['device_vendor']; } else { $result = 'false'; } unset($sql, $parameters); //get the domain_name and domain_uuid if (empty($domain_uuid)) { //get the domain_name $domain_array = explode(":", $_SERVER["HTTP_HOST"]); $domain_name = $domain_array[0]; //get the domain_uuid $sql = "select domain_uuid from v_domains "; $sql .= "where domain_name = :domain_name "; $parameters['domain_name'] = $domain_name; $domain_uuid = $database->select($sql, $parameters, 'column'); unset($sql, $parameters); } //send a request to a remote server to validate the MAC address and secret if (!empty($_SERVER['auth_server'])) { $result = send_http_request($_SERVER['auth_server'], 'mac='.url_encode($_REQUEST['mac']).'&secret='.url_encode($_REQUEST['secret'])); if ($result == "false") { syslog(LOG_WARNING, '['.$_SERVER['REMOTE_ADDR']."] provision attempt but the remote auth server said no for ".escape($_REQUEST['mac'])); http_error('404'); } } //use the device address to get the vendor if (empty($device_vendor)) { $device_vendor = device::get_vendor($device_address); } //use settings object instead of session $settings = new settings(['database' => $database, 'domain_uuid' => $domain_uuid]); //check if provisioning has been enabled if ($settings->get('provision', 'enabled', 'false') !== "true") { syslog(LOG_WARNING, '['.$_SERVER['REMOTE_ADDR']."] provision attempt but provisioning is not enabled for ".escape($_REQUEST['mac'])); http_error('404'); } //get all provision settings $provision = $settings->get('provision', null, []); //check for a valid match if (empty($device_uuid) && $settings->get('provision', 'auto_insert_enabled', 'false') !== 'true') { http_error(403); } //check the cidr range if (!empty($provision['cidr'])) { $found = false; foreach($provision['cidr'] as $cidr) { if (check_cidr($cidr, $_SERVER['REMOTE_ADDR'])) { $found = true; break; } } if (!$found) { syslog(LOG_WARNING, '['.$_SERVER['REMOTE_ADDR']."] provision attempt but failed CIDR check for ".escape($_REQUEST['mac'])); http_error('404'); } } //http authentication - digest if (!empty($provision["http_auth_username"]) && empty($provision["http_auth_type"])) { $provision["http_auth_type"] = "digest"; } if (!empty($provision["http_auth_username"]) && $provision["http_auth_type"] === "digest" && !empty($provision["http_auth_enabled"]) && $provision["http_auth_enabled"] === "true") { //function to parse the http auth header function http_digest_parse($txt) { //protect against missing data $needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1); $data = array(); $keys = implode('|', array_keys($needed_parts)); preg_match_all('@('.$keys.')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@', $txt, $matches, PREG_SET_ORDER); foreach ($matches as $m) { $data[$m[1]] = $m[3] ? $m[3] : $m[4]; unset($needed_parts[$m[1]]); } return $needed_parts ? false : $data; } //function to request digest authentication function http_digest_request($realm) { header('HTTP/1.1 401 Authorization Required'); header('WWW-Authenticate: Digest realm="'.$realm.'", qop="auth", nonce="'.uniqid().'", opaque="'.md5($realm).'"'); header("Content-Type: text/html"); $content = 'Authorization Cancelled'; header("Content-Length: ".strval(strlen($content))); echo $content; die(); } //set the realm $realm = $domain_name; //request authentication if (empty($_SERVER['PHP_AUTH_DIGEST'])) { http_digest_request($realm); } //check for valid digest authentication details if (isset($provision["http_auth_username"]) && strlen($provision["http_auth_username"]) > 0) { if (!($data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST'])) || ($data['username'] != $provision["http_auth_username"])) { header('HTTP/1.1 401 Unauthorized'); header("Content-Type: text/html"); $content = 'Unauthorized '.$__line__; header("Content-Length: ".strval(strlen($content))); echo $content; exit; } } //generate the valid response $authorized = false; $auth_passwords = $settings->get('provision', 'http_auth_password', []); if (!$authorized && is_array($auth_passwords)) { foreach ($auth_passwords as $password) { $A1 = md5($provision["http_auth_username"].':'.$realm.':'.$password); $A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']); $valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2); if ($data['response'] == $valid_response) { $authorized = true; break; } } unset($password); } if (!$authorized) { header('HTTP/1.0 401 Unauthorized'); header("Content-Type: text/html"); $content = 'Unauthorized '.$__line__; header("Content-Length: ".strval(strlen($content))); echo $content; exit; } } //http authentication - basic if (!empty($provision["http_auth_username"]) && $provision["http_auth_type"] === "basic" && $provision["http_auth_enabled"] === "true") { if (!isset($_SERVER['PHP_AUTH_USER'])) { header('WWW-Authenticate: Basic realm="'.$domain_name.'"'); header('HTTP/1.0 401 Authorization Required'); header("Content-Type: text/html"); $content = 'Authorization Required'; header("Content-Length: ".strval(strlen($content))); echo $content; exit; } else { $authorized = false; $auth_passwords = $settings->get('provision', 'http_auth_password', []); foreach ($auth_passwords as $password) { if ($_SERVER['PHP_AUTH_PW'] == $password) { $authorized = true; break; } } unset($password, $auth_passwords); if (!$authorized) { //access denied syslog(LOG_WARNING, '['.$_SERVER['REMOTE_ADDR']."] provision attempt but failed http basic authentication for ".check_str($_REQUEST['mac'])); header('HTTP/1.0 401 Unauthorized'); header('WWW-Authenticate: Basic realm="'.$domain_name.'"'); unset($_SERVER['PHP_AUTH_USER'],$_SERVER['PHP_AUTH_PW']); $content = 'Unauthorized'; header("Content-Length: ".strval(strlen($content))); echo $content; exit; } } } //if the password was defined in the settings then require the password. if (!empty($provision['password'])) { //deny access if the password doesn't match if ($provision['password'] != check_str($_REQUEST['password'])) { //log the failed auth attempt to the system, to be available for fail2ban. openlog('FusionPBX', LOG_NDELAY, LOG_AUTH); syslog(LOG_WARNING, '['.$_SERVER['REMOTE_ADDR']."] provision attempt bad password for ".check_str($_REQUEST['mac'])); closelog(); echo "access denied"; return; } } //start the buffer ob_start(); //output template to string for header processing $prov = new provision(['settings'=>$settings]); $prov->domain_uuid = $domain_uuid; $prov->device_address = $device_address; $prov->file = $file; $file_contents = $prov->render(); //clean the output buffer ob_clean(); //deliver the customized config over HTTP/HTTPS //need to make sure content-type is correct if (!empty($_REQUEST['content_type']) && $_REQUEST['content_type'] == 'application/octet-stream') { //format the device address and $device_address_formatted = $prov->format_address($device_address, $device_vendor); //replace the variable name with the value $file_name = str_replace("{\$address}", $device_address, $file); $file_name = str_replace("{\$mac}", $device_address, $file_name); //set the headers header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); header('Content-Disposition: attachment; filename="'.basename($file_name).'"'); header('Content-Transfer-Encoding: binary'); header('Expires: 0'); header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); header('Pragma: public'); header('Content-Length: '.strlen($file_contents)); } else { $cfg_ext = ".cfg"; if ($device_vendor === "aastra" && strrpos($file, $cfg_ext, 0) === strlen($file) - strlen($cfg_ext)) { header("Content-Type: text/plain"); } else if ($device_vendor === "yealink" || $device_vendor === "flyingvoice") { header("Content-Type: text/plain"); } else if ($device_vendor === "snom" && $device_template === "snom/m3") { $file_contents = utf8_decode($file_contents); header("Content-Type: text/plain; charset=iso-8859-1"); } elseif (!empty($file_contents) && is_xml($file_contents)) { header("Content-Type: text/xml; charset=utf-8"); } else { header("Content-Type: text/plain"); } } //send the content $file_size = strlen($file_contents); if (isset($_SERVER['HTTP_RANGE'])) { $ranges = $_SERVER['HTTP_RANGE']; list($unit, $range) = explode('=', $ranges, 2); list($start, $end) = explode('-', $range, 2); $start = empty($start) ? 0 : (int)$start; $end = empty($end) ? $file_size - 1 : min((int)$end, $file_size - 1); $length = $end - $start + 1; //add additional headers header('HTTP/1.1 206 Partial Content'); header("Content-Length: $length"); header("Content-Range: bytes $start-$end/$file_size"); //output the requested range from the content variable echo substr($file_contents, $start, $length); } else { //add additional headers header('HTTP/1.1 200 OK'); header("Content-Length: $file_size"); header('Accept-Ranges: bytes'); //send the entire content echo $file_contents; } //close the closelog(); //device logs if (file_exists($_SERVER["PROJECT_ROOT"]."/app/device_logs/app_config.php")){ require_once "app/device_logs/resources/device_logs.php"; } ?>