<?php /* quagga_ospfd.inc Copyright (C) 2010 Ermal Lu�i Copyright (C) 2012 Jim Pingle 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_QUAGGA_CONFIG_BASE', '/var/etc/quagga'); $pkg_login = "quagga"; $pkg_uid = "101"; $pkg_group = "quagga"; $pkg_gid = "101"; $pkg_gecos = "Quagga route daemon pseudo user"; $pkg_homedir = "/var/etc/quagga"; $pkg_shell = "/usr/sbin/nologin"; function quagga_ospfd_get_interfaces() { global $config; $interfaces = get_configured_interface_with_descr(); $ospf_ifs = array(); foreach ($interfaces as $iface => $ifacename) { $tmp["name"] = $ifacename; $tmp["value"] = $iface; $ospf_ifs[] = $tmp; } foreach (array('server', 'client') as $mode) { if (is_array($config['openvpn']["openvpn-{$mode}"])) { foreach ($config['openvpn']["openvpn-{$mode}"] as $id => $setting) { if (!isset($setting['disable'])) { $tmp["name"] = gettext("OpenVPN") . " ".$mode.": ".htmlspecialchars($setting['description']); $tmp["value"] = 'ovpn' . substr($mode, 0, 1) . $setting['vpnid']; $ospf_ifs[] = $tmp; } } } } return $ospf_ifs; } function quagga_ospfd_install_conf() { global $config, $g, $input_errors, $pkg_login, $pkg_uid, $pkg_group, $pkg_gid, $pkg_gecos, $pkg_homedir, $pkg_shell; conf_mount_rw(); // Since we need to embed this in a string, copy to a var. Can't embed constnats. $quagga_config_base = PKG_QUAGGA_CONFIG_BASE; $noaccept = ""; // generate ospfd.conf based on the assistant if(is_array($config['installedpackages']['quaggaospfd']['config'])) $ospfd_conf = &$config['installedpackages']['quaggaospfd']['config'][0]; else { log_error("Quagga OSPFd: No config data found."); return; } if (isset($config['installedpackages']['quaggaospfdraw']['config'][0]['ospfd']) && !empty($config['installedpackages']['quaggaospfdraw']['config'][0]['ospfd'])) { // if there is a raw config specifyed in tthe config.xml use that instead of the assisted config $conffile = str_replace("\r","",base64_decode($config['installedpackages']['quaggaospfdraw']['config'][0]['ospfd'])); } else { $conffile = "# This file was created by the pfSense package manager. Do not edit!\n\n"; if($ospfd_conf['password']) $conffile .= "password {$ospfd_conf['password']}\n"; if ($ospfd_conf['logging']) $conffile .= "log syslog\n"; /* Interface Settings */ $passive_interfaces = array(); $interface_networks = array(); if (is_array($config['installedpackages']['quaggaospfdinterfaces']['config'])) { foreach ($config['installedpackages']['quaggaospfdinterfaces']['config'] as $conf) { $realif = get_real_interface($conf['interface']); $conffile .= "interface {$realif}\n" ; if (!empty($conf['metric'])) { $conffile .= " ip ospf cost {$conf['metric']}\n"; } if (!empty($conf['hellointervalinseconds'])) { $conffile .= " ip ospf hello-interval {$conf['hellointervalinseconds']}\n"; } if ($conf['md5password'] && !empty($conf['password'])) { $conffile .= " ip ospf authentication message-digest\n"; $conffile .= " ip ospf message-digest-key 1 md5 " . substr($conf['password'], 0, 15) . "\n"; } else if (!empty($conf['password'])) { $conffile .= " ip ospf authentication-key " . substr($conf['password'], 0, 8) . "\n"; } if (!empty($conf['routerpriorityelections'])) { $conffile .= " ip ospf priority {$conf['routerpriorityelections']}\n"; } if (!empty($conf['retransmitinterval'])) { $conffile .= " ip ospf retransmit-interval {$conf['retransmitinterval']}\n"; } if (!empty($conf['deadtimer'])) { $conffile .= " ip ospf dead-interval {$conf['deadtimer']}\n"; } if (!empty($conf['passive'])) { $passive_interfaces[] = $realif; } $interface_ip = find_interface_ip($realif); $interface_subnet = find_interface_subnet($realif); /* Cheap hack since point-to-points won't attach if /32 is used. */ if ($interface_subnet == 32) $interface_subnet = 30; $subnet = gen_subnet($interface_ip, $interface_subnet); if (!empty($conf['acceptfilter'])) { $noaccept .= "ip prefix-list ACCEPTFILTER deny {$subnet}/{$interface_subnet}\n"; } if (!empty($conf['interfacearea'])) { $interface_networks[] = array( "subnet" => "{$subnet}/{$interface_subnet}", "area" => $conf['interfacearea']); } else { $interface_networks[] = array( "subnet" => "{$subnet}/{$interface_subnet}", "area" => $ospfd_conf['area']); } } } $redist = ""; $noredist = ""; if (is_array($ospfd_conf['row'])) { foreach ($ospfd_conf['row'] as $redistr) { if (empty($redistr['routevalue'])) continue; if (isset($redistr['acceptfilter'])) { $noaccept .= "ip prefix-list ACCEPTFILTER deny {$redistr['routevalue']}\n"; } if (isset($redistr['redistribute'])) { $noredist .= " access-list dnr-list deny {$redistr['routevalue']}\n"; } else { $area = ($redistr['routearea'] == "") ? $ospfd_conf['area'] : $redistr['routearea']; $redist .= " network {$redistr['routevalue']} area {$area}\n"; } } } /* OSPF Settings */ $conffile .= "\n\nrouter ospf\n"; // Specify router id if($ospfd_conf['routerid']) $conffile .= " ospf router-id {$ospfd_conf['routerid']}\n"; if ($ospfd_conf['updatefib']) $conffile .= " area {$ospfd_conf['area']} stub\n"; if ($ospfd_conf['logging'] && $ospfd_conf['adjacencylog']) $conffile .= " log-adjacency-changes detail\n"; if ($ospfd_conf['redistributeconnectedsubnets']) $conffile .= " redistribute connected\n"; if ($ospfd_conf['redistributestatic']) $conffile .= " redistribute static\n"; if ($ospfd_conf['redistributekernel']) $conffile .= " redistribute kernel\n"; if ($ospfd_conf['redistributedefaultroute']) $conffile .= " default-information originate\n"; if ($ospfd_conf['spfholdtime'] || $ospfd_conf['spfdelay']) { $spf_minhold = ($ospfd_conf['spfholdtime']) ? $ospfd_conf['spfholdtime'] : 1000; $spf_maxhold = $spf_minhold * 10; $spf_delay = ($ospfd_conf['spfdelay']) ? $ospfd_conf['spfdelay'] : 200; $conffile .= " timers throttle spf {$spf_delay} {$spf_minhold} {$spf_maxhold}\n"; } if ($ospfd_conf['rfc1583']) $conffile .= " ospf rfc1583compatibility\n"; if (is_array($passive_interfaces)) { foreach ($passive_interfaces as $pint) $conffile .= " passive-interface {$pint}\n"; } if (is_array($interface_networks)) { foreach ($interface_networks as $ifn) { if (is_subnet($ifn['subnet'])) { $conffile .= " network {$ifn['subnet']} area {$ifn['area']}\n"; } } } if (!empty($redist)) $conffile .= $redist; if (!empty($noredist)) { $conffile .= " distribute-list dnr-list out connected\n"; $conffile .= " distribute-list dnr-list out kernel\n"; $conffile .= " distribute-list dnr-list out static\n"; //$conffile .= " distribute-list dnr-list out ospf\n"; $conffile .= $noredist; $conffile .= " access-list dnr-list permit any\n"; } } safe_mkdir($quagga_config_base); $fd = fopen("{$quagga_config_base}/ospfd.conf", "w"); // Write out the configuration file fwrite($fd, $conffile); // Close file handle fclose($fd); /* Make zebra config */ if (isset($config['installedpackages']['quaggaospfdraw']['config'][0]['zebra']) && !empty($config['installedpackages']['quaggaospfdraw']['config'][0]['zebra'])) { // if there is a raw config specifyed in tthe config.xml use that instead of the assisted config $zebraconffile = str_replace("\r","",base64_decode($config['installedpackages']['quaggaospfdraw']['config'][0]['zebra'])); } else { $zebraconffile = "# This file was created by the pfSense package manager. Do not edit!\n\n"; if($ospfd_conf['password']) $zebraconffile .= "password {$ospfd_conf['password']}\n"; if ($ospfd_conf['logging']) $zebraconffile .= "log syslog\n"; if (!empty($noaccept)) { $zebraconffile .= $noaccept; $zebraconffile .= "ip prefix-list ACCEPTFILTER permit any\n"; $zebraconffile .= "route-map ACCEPTFILTER permit 10\n"; $zebraconffile .= "match ip address prefix-list ACCEPTFILTER\n"; $zebraconffile .= "ip protocol ospf route-map ACCEPTFILTER\n"; } } $fd = fopen("{$quagga_config_base}/zebra.conf", "w"); fwrite($fd, $zebraconffile); fclose($fd); $carp_ip_status_check = ""; if (is_ipaddr($ospfd_conf['carpstatusip'])) { $carpcheckinterface = trim(find_carp_interface($ospfd_conf['carpstatusip'])); $carp_ip_status_check = <<<EOF CARP_STATUS=`/sbin/ifconfig {$carpcheckinterface} | /usr/bin/grep carp: | /usr/bin/awk '{print \$2;}'` if [ \${CARP_STATUS} != "MASTER" ]; then exit; fi EOF; } // Create rc.d file $rc_file_stop = <<<EOF if [ -e /var/run/quagga/zebra.pid ]; then kill -9 `cat /var/run/quagga/zebra.pid` rm -f /var/run/quagga/zebra.pid fi if [ -e /var/run/quagga/ospfd.pid ]; then kill -9 `cat /var/run/quagga/ospfd.pid` rm -f /var/run/quagga/ospfd.pid fi EOF; $rc_file_start = <<<EOF /bin/mkdir -p /var/run/quagga /bin/mkdir -p /var/log/quagga rm -f /var/run/quagga/zebra.pid rm -f /var/run/quagga/ospfd.pid if [ `pw groupshow {$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 {$pkg_shell} fi /usr/sbin/chown -R quagga:quagga {$quagga_config_base} /usr/sbin/chown -R quagga:quagga /var/run/quagga /usr/sbin/chown -R quagga:quagga /var/log/quagga # Ensure no other copies of the daemons are running or it breaks. killall -9 zebra 2>/dev/null killall -9 ospfd 2>/dev/null sleep 1 {$carp_ip_status_check} /usr/local/sbin/zebra -d -f {$quagga_config_base}/zebra.conf /usr/local/sbin/ospfd -d -f {$quagga_config_base}/ospfd.conf EOF; write_rcfile(array( "file" => "quagga.sh", "start" => $rc_file_start, "stop" => $rc_file_stop ) ); // Ensure files have correct permissions exec("chmod a+rx /usr/local/etc/rc.d/quagga.sh"); exec("chmod u+rw,go-rw {$quagga_config_base}/ospfd.conf"); exec("chmod u+rw,go-rw {$quagga_config_base}/zebra.conf"); // Kick off newly created rc.d script if (is_ipaddr($ospfd_conf['carpstatusip'])) { $status = quagga_get_carp_status_by_ip($ospfd_conf['carpstatusip']); switch (strtoupper($status)) { // Stop the service if the VIP is in BACKUP or INIT state. case "BACKUP": case "INIT": exec("/usr/local/etc/rc.d/quagga.sh stop"); break; // Start the service if the VIP is MASTER state. case "MASTER": // Assume it's up if the status can't be determined. default: exec("/usr/local/etc/rc.d/quagga.sh restart"); break; } } else { exec("/usr/local/etc/rc.d/quagga.sh restart"); } // Back to RO mount for NanoBSD and friends conf_mount_ro(); } function quagga_ospfd_validate_interface() { global $config, $g, $id, $input_errors; if ($config['installedpackages']['quaggaospfdinterfaces']['config']) { foreach ($config['installedpackages']['quaggaospfdinterfaces']['config'] as $index => $conf) { if ($index == 0) continue; if ($id != $index && $conf['interface'] == $_POST['interface']) $input_errors[] = "Interface {$_POST['interface']} is already configured."; } } if ($_POST['md5password'] && empty($_POST['password'])) $input_errors[] = "Please input a password."; } function quagga_ospfd_validate_input() { global $config, $g, $input_errors; if ($_POST['password'] <> "" && (strpos($_POST['password'], "'") !== false)) $input_errors[] = "Password cannot contain a single quote (')"; if (!empty($_POST['routerid']) && !is_ipaddr($_POST['routerid'])) $input_errors[] = "Router ID must be an address."; if (!is_ipaddr($_POST['area'])) $input_errors[] = "Area needs to be a valid ip_address."; if ($_POST['spfholdtime'] <> "" && ($_POST['spfholdtime'] < 1 || $_POST['spfholdtime'] > 5)) $input_errors[] = "SPF holdtime needs to be between 1 and 5."; if ($_POST['spfdelay'] <> "" && ($_POST['spfdelay'] < 1 || $_POST['spfdelay'] > 10)) $input_errors[] = "SPF delay needs to be between 1 and 10."; if (!$config['installedpackages']['quaggaospfdinterfaces']['config']) $input_errors[] = "Please select an interface to use for Quagga OSPFd."; } function quagga_get_carp_status_by_ip($ipaddr) { $iface = trim(find_carp_interface($ipaddr)); if ($iface) { $status = get_carp_interface_status($iface); // If there is no status for that interface, return null. if (!$status) $status = null; } else { // If there is no VIP by that IP, return null. $status = null; } return $status; } ?>