<?php /* $Id$ */ /* openbgpd.inc Copyright (C) 2007 Scott Ullrich (sullrich@gmail.com) part of pfSense 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. */ require_once("config.inc"); require_once("functions.inc"); require_once("service-utils.inc"); define('PKG_BGPD_CONFIG_BASE', '/var/etc/openbgpd'); $pf_version=substr(trim(file_get_contents("/etc/version")),0,3); if ($pf_version > 2.0) define('PKG_BGPD_BIN', '/usr/pbi/openbgpd-' . php_uname("m") . '/sbin'); else define('PKG_BGPD_BIN','/usr/local/sbin'); define('PKG_BGPD_LOGIN', "_bgpd"); define('PKG_BGPD_UID', "130"); define('PKG_BGPD_GROUP', "_bgpd"); define('PKG_BGPD_GID', "130"); define('PKG_BGPD_GECOS', "BGP Daemon"); define('PKG_BGPD_HOMEDIR', "/var/empty"); define('PKG_BGPD_SHELL', "/usr/sbin/nologin"); function openbgpd_install_conf() { global $config, $g; $pkg_login = PKG_BGPD_LOGIN; $pkg_uid = PKG_BGPD_UID; $pkg_group = PKG_BGPD_GROUP; $pkg_gid = PKG_BGPD_GID; $pkg_gecos = PKG_BGPD_GECOS; $pkg_homedir = PKG_BGPD_HOMEDIR; $pkg_shell = PKG_BGPD_SHELL; $pkg_bin = PKG_BGPD_BIN; conf_mount_rw(); // Since we need to embed this in a string, copy to a var. Can't embed constnats. $bgpd_config_base = PKG_BGPD_CONFIG_BASE; if ($config['installedpackages']['openbgpd']['rawconfig'] && $config['installedpackages']['openbgpd']['rawconfig']['item']) { // if there is a raw config specified in the config.xml use that instead of the assisted config $conffile = implode("\n",$config['installedpackages']['openbgpd']['rawconfig']['item']); //$conffile = $config['installedpackages']['openbgpd']['rawconfig']; } else { // generate bgpd.conf based on the assistant if($config['installedpackages']['openbgpd']['config']) $openbgpd_conf = &$config['installedpackages']['openbgpd']['config'][0]; if($config['installedpackages']['openbgpd']['config'][0]['row']) $openbgpd_rows = &$config['installedpackages']['openbgpd']['config'][0]['row']; if($config['installedpackages']['openbgpdgroups']['config']) $openbgpd_groups = &$config['installedpackages']['openbgpdgroups']['config']; if($config['installedpackages']['openbgpdneighbors']['config']) $openbgpd_neighbors = &$config['installedpackages']['openbgpdneighbors']['config']; $conffile = "# This file was created by the package manager. Do not edit!\n\n"; // Setup AS # if($openbgpd_conf['asnum']) $conffile .= "AS {$openbgpd_conf['asnum']}\n"; if($openbgpd_conf['fibupdate']) $conffile .= "fib-update {$openbgpd_conf['fibupdate']}\n"; // Setup holdtime if defined. Default is 90. if($openbgpd_conf['holdtime']) $conffile .= "holdtime {$openbgpd_conf['holdtime']}\n"; // Specify listen ip if($openbgpd_conf['listenip']) $conffile .= "listen on {$openbgpd_conf['listenip']}\n"; // Specify router id if($openbgpd_conf['routerid']) $conffile .= "router-id {$openbgpd_conf['routerid']}\n"; // Handle advertised networks if($config['installedpackages']['openbgpd']['config'][0]['row']) if(is_array($openbgpd_rows)) foreach($openbgpd_rows as $row) $conffile .= "network {$row['networks']}\n"; // Attach neighbors to their respective group owner if(is_array($openbgpd_groups)) { foreach($openbgpd_groups as $group) { $conffile .= "group \"{$group['name']}\" {\n"; $conffile .= " remote-as {$group['remoteas']}\n"; if(is_array($openbgpd_neighbors)) { foreach($openbgpd_neighbors as $neighbor) { if($neighbor['groupname'] == $group['name']) { $conffile .= "\tneighbor {$neighbor['neighbor']} {\n"; $conffile .= "\t\tdescr \"{$neighbor['descr']}\"\n"; if($neighbor['md5sigpass']) { $conffile .= "\t\ttcp md5sig password {$neighbor['md5sigpass']}\n"; } if($neighbor['md5sigkey']) { $conffile .= "\t\ttcp md5sig key {$neighbor['md5sigkey']}\n"; } $setlocaladdr = true; if (is_array($neighbor['row'])) { foreach($neighbor['row'] as $row) { if ($row['parameters'] == "local-address") $setlocaladdr = false; $conffile .= "\t\t{$row['parameters']} {$row['parmvalue']} \n"; } } if ($setlocaladdr == true) $conffile .= "\t\tlocal-address {$openbgpd_conf['listenip']}\n"; $conffile .= "}\n"; } } } $conffile .= "}\n"; } } // Handle neighbors that do not have a group assigned to them if(is_array($openbgpd_neighbors)) { foreach($openbgpd_neighbors as $neighbor) { if($neighbor['groupname'] == "") { $conffile .= "neighbor {$neighbor['neighbor']} {\n"; $conffile .= "\tdescr \"{$neighbor['descr']}\"\n"; if ($neighbor['md5sigpass']) { $conffile .= "\ttcp md5sig password {$neighbor['md5sigpass']}\n"; } if ($neighbor['md5sigkey']) { $conffile .= "\ttcp md5sig key {$neighbor['md5sigkey']}\n"; } $setlocaladdr = true; if (is_array($neighbor['row'])) { foreach($neighbor['row'] as $row) { if ($row['parameters'] == "local-address") $setlocaladdr = false; $conffile .= "\t{$row['parameters']} {$row['parmvalue']} \n"; } } if ($setlocaladdr == true) $conffile .= "\tlocal-address {$openbgpd_conf['listenip']}\n"; $conffile .= "}\n"; } } } // OpenBGPD filters $conffile .= "deny from any\n"; $conffile .= "deny to any\n"; if(is_array($openbgpd_neighbors)) { foreach($openbgpd_neighbors as $neighbor) { $conffile .= "allow from {$neighbor['neighbor']}\n"; $conffile .= "allow to {$neighbor['neighbor']}\n"; } } } safe_mkdir($bgpd_config_base); // Write out the configuration file @file_put_contents("{$bgpd_config_base}/bgpd.conf", $conffile); @chmod("{$bgpd_config_base}/bgpd.conf", 0600); // Create rc.d file $rc_file_stop = <<<EOF killall -TERM bgpd EOF; $rc_file_start = <<<EOF if [ `pw groupshow {$pkg_group} 2>&1 | grep -c "pw: unknown group"` -gt 0 ]; then /usr/sbin/pw groupadd {$pkg_group} -g {$pkg_gid} fi if [ `pw usershow {$pkg_login} 2>&1 | grep -c "pw: no such user"` -gt 0 ]; then /usr/sbin/pw useradd {$pkg_login} -u {$pkg_uid} -g {$pkg_gid} -c "{$pkg_gecos}" -d {$pkg_homedir} -s {$pkg_shell} fi /bin/mkdir -p {$bgpd_config_base} /usr/sbin/chown -R root:wheel {$bgpd_config_base} /bin/chmod 0600 {$bgpd_config_base}/bgpd.conf NUMBGPD=`ps auxw | grep -c '[b]gpd.*parent'` if [ \${NUMBGPD} -lt 1 ] ; then {$pkg_bin}/bgpd -f {$bgpd_config_base}/bgpd.conf else {$pkg_bin}/bgpctl reload fi EOF; write_rcfile(array( "file" => "bgpd.sh", "start" => $rc_file_start, "stop" => $rc_file_stop ) ); // bgpd process running? if so reload, else start. if(is_openbgpd_running() == true) { exec("{$pkg_bin}/bgpctl reload"); } else { exec("{$pkg_bin}/bgpd -f {$bgpd_config_base}/bgpd.conf"); } conf_mount_ro(); } // get the raw openbgpd confi file for manual inspection/editing function openbgpd_get_raw_config() { $conf = PKG_BGPD_CONFIG_BASE . "/bgpd.conf"; if (file_exists($conf)) return file_get_contents($conf); else return ""; } // serialize the raw openbgpd config file to config.xml function openbgpd_put_raw_config($conffile) { global $config; if ($conffile == "") unset($config['installedpackages']['openbgpd']['rawconfig']); else { $config['installedpackages']['openbgpd']['rawconfig'] = array(); $config['installedpackages']['openbgpd']['rawconfig']['item'] = explode("\n",$_POST['openbgpd_raw']); //$config['installedpackages']['openbgpd']['rawconfig'] = $conffile; } } function deinstall_openbgpd() { global $config, $g; exec("rm /usr/local/etc/rc.d/bgpd.sh"); exec("rm /usr/local/www/openbgpd_status.php"); exec("killall bgpd"); } function check_group_usage($groupname) { global $config, $g; if($config['installedpackages']['openbgpd']['config']) $openbgpd_conf = &$config['installedpackages']['openbgpd']['config'][0]; if($config['installedpackages']['openbgpd']['config'][0]['row']) $openbgpd_rows = &$config['installedpackages']['openbgpd']['config'][0]['row']; if($config['installedpackages']['openbgpdgroups']['config']) $openbgpd_groups = &$config['installedpackages']['openbgpdgroups']['config']; if($config['installedpackages']['openbgpdneighbors']['config']) $openbgpd_neighbors = &$config['installedpackages']['openbgpdneighbors']['config']; if(is_array($openbgpd_groups)) { foreach($openbgpd_groups as $group) { foreach($openbgpd_neighbors as $neighbor) { if($neighbor['groupname'] == $group['name']) return $neighbor['groupname']; } } } return ""; } function bgpd_validate_input() { global $config, $g, $input_errors; if (!empty($_POST['asnum']) && !is_numeric($_POST['asnum'])) $input_errors[] = "AS must be entered as a number only."; if (!empty($_POST['routerid']) && !is_ipaddr($_POST['routerid'])) $input_errors[] = "Router ID must be an IP address."; if (!empty($_POST['holdtime']) && !is_numeric($_POST['holdtime'])) $input_errors[] = "Holdtime must be entered as a number."; if (!empty($_POST['listenip']) && !is_ipaddr($_POST['listenip'])) $input_errors[] = "Listen IP must be an IP address or blank to bind to all IPs."; } function bgpd_validate_group() { global $config, $g, $id, $input_errors; if (!is_numeric($_POST['remoteas'])) $input_errors[] = "Remote AS must be entered as a number only."; if ($_POST['name'] == "") $input_errors[] = "You must enter a name."; $_POST['name'] = remove_bad_chars($_POST['name']); } function remove_bad_chars($string) { return preg_replace('/[^a-z|_|0-9]/i','',$string); } function grey_out_value_boxes() { echo <<<EOF <script language="javascript"> function grey_out_value_boxes() { var x = 0; for(x=0; x<99; x++) { if( \$('parameters' + x) ) { var fieldvalue = $('parameters' + x).options[$('parameters' + x).selectedIndex].text; var length = fieldvalue.length; length = length -2; var last_two = fieldvalue.substring(length); var without_last_two = fieldvalue.substring(0,length); if( \$('parmvalue' + x) ) { if(last_two != ' X') { \$('parmvalue' + x).value = ''; \$('parmvalue' + x).disabled = true; } else { \$('parmvalue' + x).disabled = false; } } } } var timerID = setTimeout("grey_out_value_boxes()", 1200); } grey_out_value_boxes(); </script> EOF; } function is_openbgpd_running() { $status = `ps auxw | grep -c '[b]gpd.*parent'`; if(intval($status) > 0) return true; else return false; } ?>