. 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. */ if($g['booting']) echo "."; /* do not load this file twice. */ if($config_inc_loaded == true) return; else $config_inc_loaded = true; /* include globals/utility/XML parser files */ require_once("globals.inc"); if($g['booting']) echo "."; require_once("util.inc"); if($g['booting']) echo "."; require_once("pfsense-utils.inc"); if($g['booting']) echo "."; require_once("xmlparse.inc"); if($g['booting']) echo "."; require_once("services.inc"); /* read platform */ if($g['booting']) echo "."; if (file_exists("{$g['etc_path']}/platform")) { $g['platform'] = chop(file_get_contents("{$g['etc_path']}/platform")); } else { $g['platform'] = "unknown"; } /* if /debugging exists, lets set $debugging so we can output more information */ if(file_exists("/debugging")) { $debugging = true; $g['debug'] = true; } if($g['booting']) echo "."; if(file_exists("/cf/conf/config.xml")) { $config_contents = file_get_contents("/cf/conf/config.xml"); if(stristr($config_contents, "") == true) { if($g['booting']) echo "."; /* user has just upgraded to m0n0wall, replace root xml tags */ log_error("Upgrading m0n0wall configuration to pfSense... "); $config_contents = str_replace("m0n0wall","pfsense", $config_contents); if (!config_validate("{$g['conf_path']}/config.xml")) log_error("ERROR! Could not convert m0n0wall -> pfsense in config.xml"); conf_mount_rw(); $fd = fopen("/cf/conf/config.xml", "w"); fwrite($fd, $config_contents); fclose($fd); conf_mount_ro(); } } /* if our config file exists bail out, we're already set. */ if ($g['booting'] and !file_exists($g['cf_conf_path'] . "/config.xml") ) { if($g['booting']) echo "."; /* find the device where config.xml resides and write out an fstab */ unset($cfgdevice); if($g['booting']) echo "."; /* check if there's already an fstab (NFS booting?) */ if (!file_exists("{$g['etc_path']}/fstab")) { if($g['booting']) echo "."; if (strstr($g['platform'], "cdrom")) { /* config is on floppy disk for CD-ROM version */ $cfgdevice = $cfgpartition = "fd0"; $dmesg = `dmesg -a`; if(ereg("da0", $dmesg) == true) { $cfgdevice = $cfgpartition = "da0" ; if (mwexec("/sbin/mount -r /dev/{$cfgdevice} /cf")) { /* could not mount, fallback to floppy */ $cfgdevice = $cfgpartition = "fd0"; } } $cfgfstype = "msdos"; echo "CDROM build\n"; echo " CFG: {$cfgpartition}\n"; echo " TYPE: {$cfgfstype}\n"; } else { if($g['booting']) echo "."; /* probe kernel known disks until we find one with config.xml */ $disks = explode(" ", trim(preg_replace("/kern.disks: /", "", exec("/sbin/sysctl kern.disks")))); foreach ($disks as $mountdisk) { /* skip mfs mounted filesystems */ if (strstr($mountdisk, "md")) continue; if (mwexec("/sbin/mount -r /dev/{$mountdisk}a {$g['cf_path']}") == 0) { if (file_exists("{$g['cf_conf_path']}/config.xml")) { /* found it */ $cfgdevice = $mountdisk; $cfgpartition = $cfgdevice . "a"; $cfgfstype = "ufs"; echo "Found configuration on $cfgdevice.\n"; } mwexec("/sbin/umount -f {$g['cf_path']}"); if ($cfgdevice) break; } if (mwexec("/sbin/mount -r /dev/{$mountdisk}d {$g['cf_path']}") == 0) { if($g['booting']) echo "."; if (file_exists("{$g['cf_conf_path']}/config.xml")) { /* found it */ $cfgdevice = $mountdisk; $cfgpartition = $cfgdevice . "d"; $cfgfstype = "ufs"; echo "Found configuration on $cfgdevice.\n"; } mwexec("/sbin/umount -f {$g['cf_path']}"); if ($cfgdevice) break; } } } if($g['booting']) echo "."; if (!$cfgdevice) { $last_backup = discover_last_backup(); if($last_backup) { log_error("No config.xml found, attempting last known config restore."); file_notice("config.xml", "No config.xml found, attempting last known config restore.", "pfSenseConfigurator", ""); restore_backup("/cf/conf/backup/{$last_backup}"); } else { /* no device found, print an error and die */ echo << (float)$g['latest_config']) { echo << 0) { if($g['booting']) echo "Disk is dirty. Running fsck -y\n"; mwexec("/sbin/fsck -y {$g['cf_path']}"); $status = mwexec("/sbin/mount -u -w {$g['cf_path']}"); } /* if the platform is soekris or wrap or pfSense, lets mount the * compact flash cards root. */ if($g['platform'] == "wrap" or $g['platform'] == "net45xx" or $g['platform'] == "embedded") { $status = mwexec("/sbin/mount -u -w /"); /* we could not mount this correctly. kick off fsck */ if($status <> 0) { log_error("File system is dirty. Launching FSCK for /"); mwexec("/sbin/fsck -y /"); $status = mwexec("/sbin/mount -u -w /"); } } } /****f* config/conf_mount_ro * NAME * conf_mount_ro - Mount filesystems readonly. * RESULT * null ******/ function conf_mount_ro() { global $g; if($g['booting'] == true) return; /* firmare upgrade in progress */ if(file_exists($g['varrun_path'] . "/fwup.enabled")) return; /* do not umount if generating ssh keys */ if(file_exists("/tmp/keys_generating")) return; /* do not umount on cdrom or pfSense platforms */ if($g['platform'] == "cdrom" or $g['platform'] == "pfSense") return; /* sync data, then force a remount of /cf */ mwexec("/bin/sync"); mwexec("/sbin/mount -u -r -f {$g['cf_path']}"); mwexec("/sbin/mount -u -r -f /"); } /****f* config/convert_config * NAME * convert_config - Attempt to update config.xml. * DESCRIPTION * convert_config() reads the current global configuration * and attempts to convert it to conform to the latest * config.xml version. This allows major formatting changes * to be made with a minimum of breakage. * RESULT * null ******/ /* convert configuration, if necessary */ function convert_config() { global $config, $g; /* special case upgrades */ /* fix every minute crontab bogons entry */ $cron_item_count = count($config['cron']['item']); for($x=0; $x<$cron_item_count; $x++) { if(stristr($config['cron']['item'][$x]['command'], "rc.update_bogons.sh")) { if($config['cron']['item'][$x]['hour'] == "*" ) { $config['cron']['item'][$x]['hour'] = "3"; write_config("Updated bogon update frequency to 3am"); log_error("Updated bogon update frequency to 3am"); } } } if ($config['version'] == $g['latest_config']) return; /* already at latest version */ // Save off config version $prev_version = $config['version']; /* convert 1.0 -> 1.1 */ if ($config['version'] <= 1.0) { $opti = 1; $ifmap = array('lan' => 'lan', 'wan' => 'wan', 'pptp' => 'pptp'); /* convert DMZ to optional, if necessary */ if (isset($config['interfaces']['dmz'])) { $dmzcfg = &$config['interfaces']['dmz']; if ($dmzcfg['if']) { $config['interfaces']['opt' . $opti] = array(); $optcfg = &$config['interfaces']['opt' . $opti]; $optcfg['enable'] = $dmzcfg['enable']; $optcfg['descr'] = "DMZ"; $optcfg['if'] = $dmzcfg['if']; $optcfg['ipaddr'] = $dmzcfg['ipaddr']; $optcfg['subnet'] = $dmzcfg['subnet']; $ifmap['dmz'] = "opt" . $opti; $opti++; } unset($config['interfaces']['dmz']); } /* convert WLAN1/2 to optional, if necessary */ for ($i = 1; isset($config['interfaces']['wlan' . $i]); $i++) { if (!$config['interfaces']['wlan' . $i]['if']) { unset($config['interfaces']['wlan' . $i]); continue; } $wlancfg = &$config['interfaces']['wlan' . $i]; $config['interfaces']['opt' . $opti] = array(); $optcfg = &$config['interfaces']['opt' . $opti]; $optcfg['enable'] = $wlancfg['enable']; $optcfg['descr'] = "WLAN" . $i; $optcfg['if'] = $wlancfg['if']; $optcfg['ipaddr'] = $wlancfg['ipaddr']; $optcfg['subnet'] = $wlancfg['subnet']; $optcfg['bridge'] = $wlancfg['bridge']; $optcfg['wireless'] = array(); $optcfg['wireless']['mode'] = $wlancfg['mode']; $optcfg['wireless']['ssid'] = $wlancfg['ssid']; $optcfg['wireless']['channel'] = $wlancfg['channel']; $optcfg['wireless']['wep'] = $wlancfg['wep']; $ifmap['wlan' . $i] = "opt" . $opti; unset($config['interfaces']['wlan' . $i]); $opti++; } /* convert filter rules */ $n = count($config['filter']['rule']); for ($i = 0; $i < $n; $i++) { $fr = &$config['filter']['rule'][$i]; /* remap interface */ if (array_key_exists($fr['interface'], $ifmap)) $fr['interface'] = $ifmap[$fr['interface']]; else { /* remove the rule */ echo "\nWarning: filter rule removed " . "(interface '{$fr['interface']}' does not exist anymore)."; unset($config['filter']['rule'][$i]); continue; } /* remap source network */ if (isset($fr['source']['network'])) { if (array_key_exists($fr['source']['network'], $ifmap)) $fr['source']['network'] = $ifmap[$fr['source']['network']]; else { /* remove the rule */ echo "\nWarning: filter rule removed " . "(source network '{$fr['source']['network']}' does not exist anymore)."; unset($config['filter']['rule'][$i]); continue; } } /* remap destination network */ if (isset($fr['destination']['network'])) { if (array_key_exists($fr['destination']['network'], $ifmap)) $fr['destination']['network'] = $ifmap[$fr['destination']['network']]; else { /* remove the rule */ echo "\nWarning: filter rule removed " . "(destination network '{$fr['destination']['network']}' does not exist anymore)."; unset($config['filter']['rule'][$i]); continue; } } } /* convert shaper rules */ $n = count($config['pfqueueing']['rule']); if (is_array($config['pfqueueing']['rule'])) for ($i = 0; $i < $n; $i++) { $fr = &$config['pfqueueing']['rule'][$i]; /* remap interface */ if (array_key_exists($fr['interface'], $ifmap)) $fr['interface'] = $ifmap[$fr['interface']]; else { /* remove the rule */ echo "\nWarning: traffic shaper rule removed " . "(interface '{$fr['interface']}' does not exist anymore)."; unset($config['pfqueueing']['rule'][$i]); continue; } /* remap source network */ if (isset($fr['source']['network'])) { if (array_key_exists($fr['source']['network'], $ifmap)) $fr['source']['network'] = $ifmap[$fr['source']['network']]; else { /* remove the rule */ echo "\nWarning: traffic shaper rule removed " . "(source network '{$fr['source']['network']}' does not exist anymore)."; unset($config['pfqueueing']['rule'][$i]); continue; } } /* remap destination network */ if (isset($fr['destination']['network'])) { if (array_key_exists($fr['destination']['network'], $ifmap)) $fr['destination']['network'] = $ifmap[$fr['destination']['network']]; else { /* remove the rule */ echo "\nWarning: traffic shaper rule removed " . "(destination network '{$fr['destination']['network']}' does not exist anymore)."; unset($config['pfqueueing']['rule'][$i]); continue; } } } $config['version'] = "1.1"; } /* convert 1.1 -> 1.2 */ if ($config['version'] <= 1.1) { /* move LAN DHCP server config */ $tmp = $config['dhcpd']; $config['dhcpd'] = array(); $config['dhcpd']['lan'] = $tmp; /* encrypt password */ $config['system']['password'] = crypt($config['system']['password']); $config['version'] = "1.2"; } /* convert 1.2 -> 1.3 */ if ($config['version'] <= 1.2) { /* convert advanced outbound NAT config */ for ($i = 0; isset($config['nat']['advancedoutbound']['rule'][$i]); $i++) { $curent = &$config['nat']['advancedoutbound']['rule'][$i]; $src = $curent['source']; $curent['source'] = array(); $curent['source']['network'] = $src; $curent['destination'] = array(); $curent['destination']['any'] = true; } /* add an explicit type="pass" to all filter rules to make things consistent */ for ($i = 0; isset($config['filter']['rule'][$i]); $i++) { $config['filter']['rule'][$i]['type'] = "pass"; } $config['version'] = "1.3"; } /* convert 1.3 -> 1.4 */ if ($config['version'] <= 1.3) { /* convert shaper rules (make pipes) */ if (is_array($config['pfqueueing']['rule'])) { $config['pfqueueing']['pipe'] = array(); for ($i = 0; isset($config['pfqueueing']['rule'][$i]); $i++) { $curent = &$config['pfqueueing']['rule'][$i]; /* make new pipe and associate with this rule */ $newpipe = array(); $newpipe['descr'] = $curent['descr']; $newpipe['bandwidth'] = $curent['bandwidth']; $newpipe['delay'] = $curent['delay']; $newpipe['mask'] = $curent['mask']; $config['pfqueueing']['pipe'][$i] = $newpipe; $curent['targetpipe'] = $i; unset($curent['bandwidth']); unset($curent['delay']); unset($curent['mask']); } } $config['version'] = "1.4"; } /* Convert 1.4 -> 1.5 */ if ($config['version'] <= 1.4) { /* Default route moved */ if (isset($config['interfaces']['wan']['gateway'])) if ($config['interfaces']['wan']['gateway'] <> "") $config['interfaces']['wan']['gateway'] = $config['interfaces']['wan']['gateway']; unset($config['interfaces']['wan']['gateway']); /* Queues are no longer interface specific */ if (isset($config['interfaces']['lan']['schedulertype'])) unset($config['interfaces']['lan']['schedulertype']); if (isset($config['interfaces']['wan']['schedulertype'])) unset($config['interfaces']['wan']['schedulertype']); for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) { if(isset($config['interfaces']['opt' . $i]['schedulertype'])) unset($config['interfaces']['opt' . $i]['schedulertype']); } $config['version'] = "1.5"; } /* Convert 1.5 -> 1.6 */ if ($config['version'] <= 1.5) { /* Alternate firmware URL moved */ if (isset($config['system']['firmwareurl']) && isset($config['system']['firmwarename'])) { // Only convert if *both* are defined. $config['system']['alt_firmware_url'] = array(); $config['system']['alt_firmware_url']['enabled'] = ""; $config['system']['alt_firmware_url']['firmware_base_url'] = $config['system']['firmwareurl']; $config['system']['alt_firmware_url']['firmware_filename'] = $config['system']['firmwarename']; unset($config['system']['firmwareurl'], $config['system']['firmwarename']); } else { unset($config['system']['firmwareurl'], $config['system']['firmwarename']); } $config['version'] = "1.6"; } /* Convert 1.6 -> 1.7 */ if ($config['version'] <= 1.6) { /* wipe previous shaper configuration */ unset($config['shaper']['queue']); unset($config['shaper']['rule']); unset($config['interfaces']['wan']['bandwidth']); unset($config['interfaces']['wan']['bandwidthtype']); unset($config['interfaces']['lan']['bandwidth']); unset($config['interfaces']['lan']['bandwidthtype']); $config['shaper']['enable'] = FALSE; $config['version'] = "1.7"; } /* Convert 1.7 -> 1.8 */ if ($config['version'] <= 1.7) { if(isset($config['proxyarp']) && is_array($config['proxyarp']['proxyarpnet'])) { $proxyarp = &$config['proxyarp']['proxyarpnet']; foreach($proxyarp as $arpent){ $vip = array(); $vip['mode'] = "proxyarp"; $vip['interface'] = $arpent['interface']; $vip['descr'] = $arpent['descr']; if (isset($arpent['range'])) { $vip['range'] = $arpent['range']; $vip['type'] = "range"; } else { $subnet = explode('/', $arpent['network']); $vip['subnet'] = $subnet[0]; if (isset($subnet[1])) { $vip['subnet_bits'] = $subnet[1]; $vip['type'] = "network"; } else { $vip['subnet_bits'] = "32"; $vip['type'] = "single"; } } $config['virtualip']['vip'][] = $vip; } unset($config['proxyarp']); } if(isset($config['installedpackages']) && isset($config['installedpackages']['carp']) && is_array($config['installedpackages']['carp']['config'])) { $carp = &$config['installedpackages']['carp']['config']; foreach($carp as $carpent){ $vip = array(); $vip['mode'] = "carp"; $vip['interface'] = "AUTO"; $vip['descr'] = "CARP vhid {$carpent['vhid']}"; $vip['type'] = "single"; $vip['vhid'] = $carpent['vhid']; $vip['advskew'] = $carpent['advskew']; $vip['password'] = $carpent['password']; $vip['subnet'] = $carpent['ipaddress']; $vip['subnet_bits'] = $carpent['netmask']; $config['virtualip']['vip'][] = $vip; } unset($config['installedpackages']['carp']); } /* Server NAT is no longer needed */ unset($config['nat']['servernat']); /* enable SSH */ if ($config['version'] == "1.8") { $config['system']['sshenabled'] = true; } $config['version'] = "1.9"; } /* Convert 1.8 -> 1.9 */ if ($config['version'] <= 1.8) { $config['theme']="metallic"; $config['version'] = "1.9"; } /* Convert 1.9 -> 2.0 */ if ($config['version'] <= 1.9) { if(is_array($config['ipsec']['tunnel'])) { reset($config['ipsec']['tunnel']); while (list($index, $tunnel) = each($config['ipsec']['tunnel'])) { /* Sanity check on required variables */ /* This fixes bogus entries - remnant of bug #393 */ if (!isset($tunnel['local-subnet']) && !isset($tunnel['remote-subnet'])) { unset($config['ipsec']['tunnel'][$tunnel]); } } } $config['version'] = "2.0"; } /* Convert 2.0 -> 2.1 */ if ($config['version'] <= 2.0) { /* shaper scheduler moved */ if(isset($config['system']['schedulertype'])) { $config['shaper']['schedulertype'] = $config['system']['schedulertype']; unset($config['system']['schedulertype']); } $config['version'] = "2.1"; } /* Convert 2.1 -> 2.2 */ if ($config['version'] <= 2.1) { /* move gateway to wan interface */ $config['interfaces']['wan']['gateway'] = $config['system']['gateway']; $config['version'] = "2.2"; } /* Convert 2.2 -> 2.3 */ if ($config['version'] <= 2.2) { if(isset($config['shaper'])) { /* wipe previous shaper configuration */ unset($config['shaper']); } $config['version'] = "2.3"; } /* Convert 2.4 -> 2.5 */ if ($config['version'] <= 2.4) { $config['interfaces']['wan']['use_rrd_gateway'] = $config['system']['use_rrd_gateway']; unset($config['system']['use_rrd_gateway']); $config['version'] = "2.5"; } /* Convert 2.5 -> 2.6 */ if ($config['version'] <= 2.5) { $cron_item = array(); $cron_item['minute'] = "0"; $cron_item['hour'] = "*"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/bin/nice -n20 newsyslog"; $config['cron']['item'][] = $cron_item; $cron_item = array(); $cron_item['minute'] = "1,31"; $cron_item['hour'] = "0-5"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/bin/nice -n20 adjkerntz -a"; $config['cron']['item'][] = $cron_item; $cron_item = array(); $cron_item['minute'] = "1"; $cron_item['hour'] = "*"; $cron_item['mday'] = "1"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/bin/nice -n20 /etc/rc.update_bogons.sh"; $config['cron']['item'][] = $cron_item; $cron_item = array(); $cron_item['minute'] = "*/60"; $cron_item['hour'] = "*"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/bin/nice -n20 /usr/local/sbin/expiretable -v -t 3600 sshlockout"; $config['cron']['item'][] = $cron_item; $cron_item = array(); $cron_item['minute'] = "1"; $cron_item['hour'] = "1"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/bin/nice -n20 /etc/rc.dyndns.update"; $config['cron']['item'][] = $cron_item; $cron_item = array(); $cron_item['minute'] = "*/60"; $cron_item['hour'] = "*"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/bin/nice -n20 /usr/local/sbin/expiretable -v -t 3600 virusprot"; $config['cron']['item'][] = $cron_item; $cron_item = array(); $cron_item['minute'] = "*/60"; $cron_item['hour'] = "*"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/bin/nice -n20 /usr/local/sbin/expiretable -t 1800 snort2c"; $config['cron']['item'][] = $cron_item; $cron_item = array(); $cron_item['minute'] = "*/5"; $cron_item['hour'] = "*"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/local/bin/checkreload.sh"; $config['cron']['item'][] = $cron_item; /* write crontab entries to file */ configure_cron(); $config['version'] = "2.6"; } /* Convert 2.6 -> 2.7 */ if ($config['version'] <= 2.6) { $config['interfaces']['wan']['use_rrd_gateway'] = $config['system']['use_rrd_gateway']; unset($config['system']['use_rrd_gateway']); $config['version'] = "2.7"; } /* Convert 2.7 -> 2.8 */ if ($config['version'] <= 2.7) { $founditem = false; foreach($config['cron']['item'] as $cronitem) { if($cronitem['command'] == "/usr/local/bin/checkreload.sh") $founditem = true; } if($founditem == false) { $cron_item = array(); $cron_item['minute'] = "*/5"; $cron_item['hour'] = "*"; $cron_item['mday'] = "*"; $cron_item['month'] = "*"; $cron_item['wday'] = "*"; $cron_item['who'] = "root"; $cron_item['command'] = "/usr/local/bin/checkreload.sh"; $config['cron']['item'][] = $cron_item; } $config['version'] = "2.8"; } /* Convert 2.8 -> 2.9 */ if ($config['version'] <= 2.8) { $rule_item = array(); $a_filter = &$config['filter']['rule']; $rule_item['interface'] = "enc0"; $rule_item['type'] = "pass"; $rule_item['source']['any'] = true; $rule_item['destination']['any'] = true; $rule_item['descr'] = "Permit IPsec traffic."; $rule_item['statetype'] = "keep state"; $a_filter[] = $rule_item; $config['version'] = "2.9"; } /* Convert 2.9 -> 3.0 */ if ($config['version'] <= 2.9) { /* enable the rrd config setting by default */ $config['rrd']['enable'] = true; $config['version'] = "3.0"; } /* Convert 3.0 -> 4.0 */ if ($config['version'] <= 3.9) { $config['system']['webgui']['auth_method'] = "session"; $config['system']['webgui']['backing_method'] = "htpasswd"; if (isset ($config['system']['username'])) { $config['system']['group'] = array(); $config['system']['group'][0]['name'] = "admins"; $config['system']['group'][0]['description'] = "System Administrators"; $config['system']['group'][0]['scope'] = "system"; $config['system']['group'][0]['pages'] = "ANY"; $config['system']['group'][0]['home'] = "index.php"; $config['system']['group'][0]['gid'] = "110"; $config['system']['user'] = array(); $config['system']['user'][0]['name'] = "{$config['system']['username']}"; $config['system']['user'][0]['fullname'] = "System Administrator"; $config['system']['user'][0]['scope'] = "system"; $config['system']['user'][0]['groupname'] = "admins"; $config['system']['user'][0]['password'] = "{$config['system']['password']}"; $config['system']['user'][0]['uid'] = "0"; $config['system']['user'][0]['priv'] = array(); $config['system']['user'][0]['priv'][0]['id'] = "lockwc"; $config['system']['user'][0]['priv'][0]['name'] = "Lock webConfigurator"; $config['system']['user'][0]['priv'][0]['descr'] = "Indicates whether this user will lock access to the webConfigurator for other users."; $config['system']['user'][0]['priv'][1]['id'] = "lock-ipages"; $config['system']['user'][0]['priv'][1]['name'] = "Lock individual pages"; $config['system']['user'][0]['priv'][1]['descr'] = "Indicates whether this user will lock individual HTML pages after having accessed a particular page (the lock will be freed if the user leaves or saves the page form)."; $config['system']['user'][0]['priv'][2]['id'] = "hasshell"; $config['system']['user'][0]['priv'][2]['name'] = "Has shell access"; $config['system']['user'][0]['priv'][2]['descr'] = "Indicates whether this user is able to login for example via SSH."; $config['system']['user'][0]['priv'][3]['id'] = "copyfiles"; $config['system']['user'][0]['priv'][3]['name'] = "Is allowed to copy files"; $config['system']['user'][0]['priv'][3]['descr'] = "Indicates whether this user is allowed to copy files onto the {$g['product_name']} appliance via SCP/SFTP. If you are going to use this privilege, you must install scponly on the appliance (Hint: pkg_add -r scponly)."; $config['system']['user'][0]['priv'][4]['id'] = "isroot"; $config['system']['user'][0]['priv'][4]['name'] = "Is root user"; $config['system']['user'][0]['priv'][4]['descr'] = "This user is associated with the UNIX root user (you should associate this privilege only with one single user)."; $config['system']['nextuid'] = "111"; $config['system']['nextgid'] = "111"; /* wipe previous auth configuration */ unset ($config['system']['username']); unset ($config['system']['password']); $config['version'] = "4.0"; } } /* Convert 4.0 -> 4.1 */ if ($config['version'] <= 4.0) { if(!$config['sysctl']) { $config['sysctl']['item'] = array(); $config['sysctl']['item'][0]['tunable'] = "net.inet.tcp.blackhole"; $config['sysctl']['item'][0]['desc'] = "Drop packets to closed TCP ports without returning a RST"; $config['sysctl']['item'][0]['value'] = "2"; $config['sysctl']['item'][1]['tunable'] = "net.inet.udp.blackhole"; $config['sysctl']['item'][1]['desc'] = "Do not send ICMP port unreachable messages for closed UDP ports"; $config['sysctl']['item'][1]['value'] = "1"; $config['sysctl']['item'][2]['tunable'] = "net.inet.ip.random_id"; $config['sysctl']['item'][2]['desc'] = "Randomize the ID field in IP packets (default is 0: sequential IP IDs)"; $config['sysctl']['item'][2]['value'] = "1"; $config['sysctl']['item'][3]['tunable'] = "net.inet.tcp.drop_synfin"; $config['sysctl']['item'][3]['desc'] = "Drop SYN-FIN packets (breaks RFC1379, but nobody uses it anyway)"; $config['sysctl']['item'][3]['value'] = "1"; $config['sysctl']['item'][4]['tunable'] = "net.inet.ip.redirect"; $config['sysctl']['item'][4]['desc'] = "Disable sending IPv4 redirects"; $config['sysctl']['item'][4]['value'] = "0"; $config['sysctl']['item'][5]['tunable'] = "net.inet6.ip6.redirect"; $config['sysctl']['item'][5]['desc'] = "Disable sending IPv6 redirects"; $config['sysctl']['item'][5]['value'] = "0"; $config['sysctl']['item'][6]['tunable'] = "net.inet.tcp.syncookies"; $config['sysctl']['item'][6]['desc'] = "Generate SYN cookies for outbound SYN-ACK packets"; $config['sysctl']['item'][6]['value'] = "1"; $config['sysctl']['item'][7]['tunable'] = "net.inet.tcp.recvspace"; $config['sysctl']['item'][7]['desc'] = "Maximum incoming TCP datagram size"; $config['sysctl']['item'][7]['value'] = "65228"; $config['sysctl']['item'][8]['tunable'] = "net.inet.tcp.sendspace"; $config['sysctl']['item'][8]['desc'] = "Maximum outgoing TCP datagram size"; $config['sysctl']['item'][8]['value'] = "65228"; $config['sysctl']['item'][9]['tunable'] = "net.inet.ip.fastforwarding"; $config['sysctl']['item'][9]['desc'] = "Fastforwarding (see http://lists.freebsd.org/pipermail/freebsd-net/2004-January/002534.html)"; $config['sysctl']['item'][9]['value'] = "1"; $config['sysctl']['item'][10]['tunable'] = "net.inet.tcp.delayed_ack"; $config['sysctl']['item'][10]['desc'] = "Do not delay ACK to try and piggyback it onto a data packet"; $config['sysctl']['item'][10]['value'] = "0"; $config['sysctl']['item'][11]['tunable'] = "net.inet.udp.maxdgram"; $config['sysctl']['item'][11]['desc'] = "Maximum outgoing UDP datagram size"; $config['sysctl']['item'][11]['value'] = "57344"; $config['sysctl']['item'][12]['tunable'] = "net.link.bridge.pfil_onlyip"; $config['sysctl']['item'][12]['desc'] = "Handling of non-IP packets which are not passed to pfil (see if_bridge(4))"; $config['sysctl']['item'][12]['value'] = "0"; $config['sysctl']['item'][13]['tunable'] = "net.link.tap.user_open"; $config['sysctl']['item'][13]['desc'] = "Allow unprivileged access to tap(4) device nodes"; $config['sysctl']['item'][13]['value'] = "1"; $config['sysctl']['item'][14]['tunable'] = "kern.rndtest.verbose"; $config['sysctl']['item'][14]['desc'] = "Verbosity of the rndtest driver (0: do not display results on console)"; $config['sysctl']['item'][14]['value'] = "0"; $config['sysctl']['item'][15]['tunable'] = "kern.randompid"; $config['sysctl']['item'][15]['desc'] = "Randomize PID's (see src/sys/kern/kern_fork.c: sysctl_kern_randompid())"; $config['sysctl']['item'][15]['value'] = "347"; $config['sysctl']['item'][16]['tunable'] = "net.inet.tcp.inflight.enable"; $config['sysctl']['item'][16]['desc'] = "The system will attempt to calculate the bandwidth delay product for each connection and limit the amount of data queued to the network to just the amount required to maintain optimum throughput. "; $config['sysctl']['item'][16]['value'] = "3"; $config['version'] = "4.1"; } } /* Convert 4.1 -> 4.2 */ if ($config['version'] <= 4.0) { if (isset($config['shaper'])) unset($config['shaper']); if (isset($config['ezshaper'])) unset($config['ezshaper']); $config['version'] = "4.2"; } if ($prev_version != $config['version']) write_config("Upgraded config version level from {$prev_version} to {$config['version']}"); } /****f* config/write_config * NAME * write_config - Backup and write the firewall configuration. * DESCRIPTION * write_config() handles backing up the current configuration, * applying changes, and regenerating the configuration cache. * INPUTS * $desc - string containing the a description of configuration changes * $backup - boolean: do not back up current configuration if false. * RESULT * null ******/ /* save the system configuration */ function write_config($desc="Unknown", $backup = true) { global $config, $g; if($g['bootup']) log_error("WARNING! Configuration written on bootup. This can cause stray openvpn and load balancing items in config.xml"); if($backup) backup_config(); if (time() > mktime(0, 0, 0, 9, 1, 2004)) /* make sure the clock settings are plausible */ $changetime = time(); /* Log the running script so it's not entirely unlogged what changed */ if ($desc == "Unknown") $desc = "{$_SERVER['SCRIPT_NAME']} made unknown change"; $config['revision']['description'] = $desc; $config['revision']['time'] = $changetime; config_lock(); /* generate configuration XML */ $xmlconfig = dump_xml_config($config, $g['xml_rootobj']); conf_mount_rw(); /* write new configuration */ $fd = fopen("{$g['cf_conf_path']}/config.xml", "w"); if (!$fd) die("Unable to open {$g['cf_conf_path']}/config.xml for writing in write_config()\n"); fwrite($fd, $xmlconfig); fclose($fd); if($g['platform'] == "embedded") { cleanup_backupcache(5); } else { cleanup_backupcache(30); } if($g['booting'] <> true) { conf_mount_ro(); } /* re-read configuration */ $config = parse_xml_config("{$g['conf_path']}/config.xml", $g['xml_rootobj']); /* write config cache */ $fd = @fopen("{$g['tmp_path']}/config.cache", "wb"); if ($fd) { fwrite($fd, serialize($config)); fclose($fd); } /* tell kernel to sync fs data */ mwexec("/bin/sync"); config_unlock(); return $config; } /****f* config/reset_factory_defaults * NAME * reset_factory_defaults - Reset the system to its default configuration. * RESULT * integer - indicates completion ******/ function reset_factory_defaults() { global $g; config_lock(); conf_mount_rw(); /* create conf directory, if necessary */ safe_mkdir("{$g['cf_conf_path']}"); /* clear out /conf */ $dh = opendir($g['conf_path']); while ($filename = readdir($dh)) { if (($filename != ".") && ($filename != "..")) { unlink_if_exists($g['conf_path'] . "/" . $filename); } } closedir($dh); /* copy default configuration */ copy("{$g['conf_default_path']}/config.xml", "{$g['conf_path']}/config.xml"); /* call the wizard */ touch("/conf/trigger_initial_wizard"); conf_mount_ro(); config_unlock(); return 0; } function config_restore($conffile) { global $config, $g; if (!file_exists($conffile)) return 1; config_lock(); conf_mount_rw(); backup_config(); copy($conffile, "{$g['cf_conf_path']}/config.xml"); $config = parse_config(true); write_config("Reverted to " . array_pop(explode("/", $conffile)) . ".", false); conf_mount_ro(); config_unlock(); return 0; } function config_install($conffile) { global $config, $g; if (!file_exists($conffile)) return 1; if (!config_validate("{$g['conf_path']}/config.xml")) return 1; if($g['booting'] == true) echo "Installing configuration...\n"; config_lock(); conf_mount_rw(); copy($conffile, "{$g['conf_path']}/config.xml"); /* unlink cache file if it exists */ if(file_exists("{$g['tmp_path']}/config.cache")) unlink("{$g['tmp_path']}/config.cache"); conf_mount_ro(); config_unlock(); return 0; } function config_validate($conffile) { global $g, $xmlerr; $xml_parser = xml_parser_create(); if (!($fp = fopen($conffile, "r"))) { $xmlerr = "XML error: unable to open file"; return false; } while ($data = fread($fp, 4096)) { if (!xml_parse($xml_parser, $data, feof($fp))) { $xmlerr = sprintf("%s at line %d", xml_error_string(xml_get_error_code($xml_parser)), xml_get_current_line_number($xml_parser)); return false; } } xml_parser_free($xml_parser); fclose($fp); return true; } /* lock configuration file, decide that the lock file * is stale after 10 seconds */ function config_lock() { global $g, $process_lock; /* No need to continue if we're the ones holding the lock */ if ($process_lock) return; $lockfile = "{$g['varrun_path']}/config.lock"; $n = 0; while ($n < 10) { /* open the lock file in append mode to avoid race condition */ if ($fd = @fopen($lockfile, "x")) { /* succeeded */ $process_lock = true; fclose($fd); return; } else { /* file locked, wait and try again */ $process_lock = false; sleep(1); $n++; } } } /* unlock configuration file */ function config_unlock() { global $g, $process_lock; $lockfile = "{$g['varrun_path']}/config.lock"; $process_lock = false; unlink_if_exists($lockfile); } function set_networking_interfaces_ports() { global $noreboot; global $config; global $g; global $fp; $fp = fopen('php://stdin', 'r'); $memory = get_memory(); $avail = $memory[0]; if($avail < 115) { echo "\n\n\n"; echo "DANGER! WARNING!\n\n"; echo "{$g['product_name']} requires *AT LEAST* 128 megs of ram to function correctly.\n"; echo "Only ($avail) megs of ram has been detected.\n"; echo "\nPress ENTER to continue."; fgets($fp); echo "\n"; } $iflist = get_interface_list(); echo << $ifa) { echo sprintf("% -8s%s%s\n", $iface, $ifa['mac'], $ifa['up'] ? " (up)" : ""); } } echo << {$lanif} WAN -> {$wanif} EOD; for ($i = 0; $i < count($optif); $i++) { echo "OPT" . ($i+1) . " -> " . $optif[$i] . "\n"; } echo << $ifa) { if (!$ifa['up'] && $iflist[$ifn]['up']) { echo "Detected link-up on interface {$ifn}.\n"; return $ifn; } } echo "No link-up detected.\n"; return null; } function vlan_setup() { global $iflist, $config, $g, $fp; $iflist = get_interface_list(); if (is_array($config['vlans']['vlan']) && count($config['vlans']['vlan'])) { echo << $ifa) { if (is_jumbo_capable($iface)) { echo sprintf("% -8s%s%s\n", $iface, $ifa['mac'], $ifa['up'] ? " (up)" : ""); $vlan_capable++; } } } if($vlan_capable == 0) { echo "No VLAN capable interfaces detected.\n"; return; } echo "\nEnter the parent interface name for the new VLAN (or nothing if finished): "; $vlan['if'] = chop(fgets($fp)); if ($vlan['if']) { if (!array_key_exists($vlan['if'], $iflist) or !is_jumbo_capable($vlan['if'])) { echo "\nInvalid interface name '{$vlan['if']}'\n"; continue; } } else { break; } echo "Enter the VLAN tag (1-4094): "; $vlan['tag'] = chop(fgets($fp)); if (!is_numericint($vlan['tag']) || ($vlan['tag'] < 1) || ($vlan['tag'] > 4094)) { echo "\nInvalid VLAN tag '{$vlan['tag']}'\n"; continue; } $config['vlans']['vlan'][] = $vlan; } } function system_start_ftp_helpers() { require_once("interfaces.inc"); global $config, $g; mwexec("/usr/bin/killall ftpsesame"); /* build an array of interfaces to work with */ $iflist = array("lan" => "lan"); for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) $iflist['opt' . $i] = "opt{$i}"; /* loop through all interfaces and handle ftp-proxy */ $interface_counter = 0; foreach ($iflist as $ifent => $ifname) { /* if the ftp proxy is disabled for this interface then kill ftp-proxy * instance and continue. note that the helpers for port forwards are * launched in a different sequence so we are filtering them out * here by not including -c {$port} -g 8021 first. */ /* only install a ftp helper for enabled interfaces. wan and lan are always enabled. */ if(stristr($ifname, "opt") <> false) if(!isset($config['interfaces'][strtolower($ifname)]['enable'])) continue; /* Get the ftp queue for this interface */ if (isset($config['shaper'][$ifname]['ftpqueue'])) $shaper_queue = $config['interfaces'][$ifname]['ftpqueue']; $port = 8021 + $interface_counter; if(isset($config['interfaces'][$ifname]['disableftpproxy'])) { /* item is disabled. lets ++ the interface counter and * keep processing interfaces. kill ftp-proxy if already * running for this instance. */ $helpers = exec("/bin/ps awux | grep \"/usr/local/sbin/ftp-proxy {$shaper_queue} -p {$port}\" | grep -v grep | sed \"s/ */ /g\" | cut -f2 -d\" \""); if($helpers) mwexec("/bin/kill {$helpers}"); $interface_counter++; } else { /* grab the current interface IP address */ $int = convert_friendly_interface_to_real_interface_name($ifname); $ip = find_interface_ip($int); /* are we in routed mode? no source nat rules and not a outside interface? */ /* If we have advanced outbound nat we skip the FTP proxy, we use ftpsesame */ if((isset($config['nat']['advancedoutbound']['enable'])) && (! interface_has_gateway($ifname))) { $sourcenat = 0; /* we are using advanced outbound nat, are we in routing mode? */ /* if the interface address lies within a outbound NAT source network we should skip */ if(! empty($config['nat']['advancedoutbound']['rule'])) { foreach($config['nat']['advancedoutbound']['rule'] as $natnetwork) { if(ip_in_subnet($ip, $natnetwork['source']['network'])) { /* if the interface address is matched in the AON Rule we need the ftp proxy */ if(is_ipaddr($natnetwork['target']) && ($natnetwork['interface'] == "wan")) { $pftpxsourceaddr = "-a {$natnetwork['target']}"; if($g['debug']) log_error("Config: AON: using the external ip source {$pftpxsourceaddr} for the ftp proxy"); } $sourcenat++; } } } if($sourcenat == 0) { if($g['debug']) log_error("Config: No AON rule matched for interface {$ifname} - not using FTP proxy"); mwexec("/usr/local/sbin/ftpsesame -i $int"); $interface_counter++; continue; } else { if($g['debug']) log_error("Config: AON rule matched for interface {$ifname} - using FTP proxy"); } } /* if ftp-proxy is already running then do not launch it again */ $helpers = exec("/bin/ps awux | grep \"/usr/local/sbin/ftp-proxy {$shaper_queue} -p {$port}\" | grep -v grep | sed \"s/ */ /g\""); if(!$helpers && $ip) mwexec("/usr/local/sbin/ftp-proxy {$shaper_queue} -p {$port} {$pftpxsourceaddr} {$ip}"); if(!$ip) mwexec("/usr/local/sbin/ftpsesame {$shaper_queue} -i $int"); $interface_counter++; } } /* support bridged interfaces. even they need ftp mojo */ $num_bridges = find_number_of_created_bridges(); $num_bridges++; for($x=0; $x<$num_bridges; $x++) { mwexec("/usr/local/sbin/ftpsesame {$shaper_queue}-i bridge{$x}"); } } function cleanup_backupcache($revisions = 30) { global $g; $i = false; config_lock(); if(file_exists($g['cf_conf_path'] . '/backup/backup.cache')) { conf_mount_rw(); $backups = get_backups(); $newbaks = array(); $bakfiles = glob($g['cf_conf_path'] . "/backup/config-*"); $baktimes = $backups['versions']; $tocache = array(); unset($backups['versions']); foreach($bakfiles as $backup) { // Check for backups in the directory not represented in the cache. if(filesize($backup) == 0) { unlink($backup); continue; } $tocheck = array_shift(explode('.', array_pop(explode('-', $backup)))); if(!in_array($tocheck, $baktimes)) { $i = true; if($g['booting']) print " " . $tocheck . "a"; $newxml = parse_xml_config($backup, $g['xml_rootobj']); if($newxml == "-1") { log_error("The backup cache file $backup is corrupted. Unlinking."); unlink($backup); log_error("The backup cache file $backup is corrupted. Unlinking."); continue; } if($newxml['revision']['description'] == "") $newxml['revision']['description'] = "Unknown"; $tocache[$tocheck] = array('description' => $newxml['revision']['description']); } } foreach($backups as $checkbak) { if(count(preg_grep('/' . $checkbak['time'] . '/i', $bakfiles)) != 0) { $newbaks[] = $checkbak; } else { $i = true; if($g['booting']) print " " . $tocheck . "r"; } } foreach($newbaks as $todo) $tocache[$todo['time']] = array('description' => $todo['description']); if(is_int($revisions) and (count($tocache) > $revisions)) { $toslice = array_slice(array_keys($tocache), 0, $revisions); foreach($toslice as $sliced) $newcache[$sliced] = $tocache[$sliced]; foreach($tocache as $version => $versioninfo) { if(!in_array($version, array_keys($newcache))) { unlink_if_exists($g['conf_path'] . '/backup/config-' . $version . '.xml'); if($g['booting']) print " " . $tocheck . "d"; } } $tocache = $newcache; } $bakout = fopen($g['cf_conf_path'] . '/backup/backup.cache', "w"); fwrite($bakout, serialize($tocache)); fclose($bakout); conf_mount_ro(); } if($g['booting']) { if($i) { print "done.\n"; } } config_unlock(); } function get_backups() { global $g; if(file_exists("{$g['cf_conf_path']}/backup/backup.cache")) { $confvers = unserialize(file_get_contents("{$g['cf_conf_path']}/backup/backup.cache")); $bakvers = array_keys($confvers); $toreturn = array(); sort($bakvers); // $bakvers = array_reverse($bakvers); foreach(array_reverse($bakvers) as $bakver) $toreturn[] = array('time' => $bakver, 'description' => $confvers[$bakver]['description']); } else { return false; } $toreturn['versions'] = $bakvers; return $toreturn; } function backup_config() { global $config, $g; if($g['platform'] == "cdrom") return; conf_mount_rw(); /* Create backup directory if needed */ safe_mkdir("{$g['cf_conf_path']}/backup"); if($config['revision']['time'] == "") { $baktime = 0; } else { $baktime = $config['revision']['time']; } if($config['revision']['description'] == "") { $bakdesc = "Unknown"; } else { $bakdesc = $config['revision']['description']; } copy($g['cf_conf_path'] . '/config.xml', $g['cf_conf_path'] . '/backup/config-' . $baktime . '.xml'); if(file_exists($g['cf_conf_path'] . '/backup/backup.cache')) { $backupcache = unserialize(file_get_contents($g['cf_conf_path'] . '/backup/backup.cache')); } else { $backupcache = array(); } $backupcache[$baktime] = array('description' => $bakdesc); $bakout = fopen($g['cf_conf_path'] . '/backup/backup.cache', "w"); fwrite($bakout, serialize($backupcache)); fclose($bakout); conf_mount_ro(); return true; } function mute_kernel_msgs() { exec("/sbin/conscontrol mute on"); } function unmute_kernel_msgs() { exec("/sbin/conscontrol mute off"); } function start_devd() { exec("/sbin/devd"); sleep(1); if(file_exists("/tmp/rc.linkup")) unlink("/tmp/rc.linkup"); } function is_interface_mismatch() { global $config, $g; $lan_if = $config['interfaces']['lan']['if']; $wan_if = get_real_wan_interface(); $do_assign = 0; /* we need to ignore the vlan interface checks) */ if (stristr($lan_if, "vlan") == false and stristr($wan_if, "vlan") == false) { if (does_interface_exist($lan_if) == false) $do_assign = 1; if ($config['interfaces']['wan']['ipaddr'] <> "pppoe" && $config['interfaces']['wan']['ipaddr'] <> "pptp" && $do_assign == 0) if (does_interface_exist($wan_if) == false) $do_assign = 1; } /* XXX: enumerate OPT interfaces looking for mismatches */ if (file_exists("{$g['tmp_path']}/assign_complete")) return false; if ($do_assign == 1) return true; else return false; } function set_device_perms() { $devices = array( 'pf' => array( 'user' => 'proxy', 'group' => 'proxy', 'mode' => 0660), ); foreach ($devices as $name => $attr) { $path = "/dev/$name"; if (file_exists($path)) { chown($path, $attr['user']); chgrp($path, $attr['group']); chmod($path, $attr['mode']); } } } if($g['booting']) echo "."; $config = parse_config(); ?>