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<?php
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/****h* pfSense/config
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* NAME
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* config.lib.inc - Functions to manipulate config.xml
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* DESCRIPTION
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* This include contains various config.xml specific functions.
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* HISTORY
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* $Id$
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******
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config.lib.inc
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Ported from config.inc by Erik Kristensen
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Copyright (C) 2004-2010 Scott Ullrich
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All rights reserved.
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originally part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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pfSense_BUILDER_BINARIES: /sbin/mount /sbin/sysctl /sbin/umount /sbin/halt /sbin/fsck
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pfSense_MODULE: config
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*/
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/****f* config/encrypted_configxml
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* NAME
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* encrypted_configxml - Checks to see if config.xml is encrypted and if so, prompts to unlock.
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* INPUTS
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* None
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* RESULT
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* $config - rewrites config.xml without encryption
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******/
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function encrypted_configxml() {
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global $g, $config;
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if (!file_exists($g['conf_path'] . "/config.xml"))
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return;
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if (!$g['booting'])
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return;
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$configtxt = file_get_contents($g['conf_path'] . "/config.xml");
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if(tagfile_deformat($configtxt, $configtxt, "config.xml")) {
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$fp = fopen('php://stdin', 'r');
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$data = "";
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echo "\n\n*** Encrypted config.xml detected ***\n";
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while($data == "") {
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echo "\nEnter the password to decrypt config.xml: ";
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$decrypt_password = chop(fgets($fp));
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$data = decrypt_data($configtxt, $decrypt_password);
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if(!strstr($data, "<pfsense>"))
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$data = "";
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if($data) {
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$fd = fopen($g['conf_path'] . "/config.xml.tmp", "w");
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fwrite($fd, $data);
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fclose($fd);
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exec("/bin/mv {$g['conf_path']}/config.xml.tmp {$g['conf_path']}/config.xml");
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echo "\nConfig.xml unlocked.\n";
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fclose($fp);
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} else {
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echo "\nInvalid password entered. Please try again.\n";
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}
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}
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}
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}
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/****f* config/parse_config
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* NAME
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* parse_config - Read in config.cache or config.xml if needed and return $config array
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* INPUTS
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* $parse - boolean to force parse_config() to read config.xml and generate config.cache
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* RESULT
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* $config - array containing all configuration variables
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******/
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function parse_config($parse = false) {
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global $g, $config_parsed, $config_extra;
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$lockkey = lock('config');
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$config_parsed = false;
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if (!file_exists("{$g['conf_path']}/config.xml") || filesize("{$g['conf_path']}/config.xml") == 0) {
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$last_backup = discover_last_backup();
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if($last_backup) {
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log_error("No config.xml found, attempting last known config restore.");
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file_notice("config.xml", "No config.xml found, attempting last known config restore.", "pfSenseConfigurator", "");
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restore_backup("{$g['conf_path']}/backup/{$last_backup}");
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} else {
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unlock($lockkey);
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die("Config.xml is corrupted and is 0 bytes. Could not restore a previous backup.");
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}
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}
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if($g['booting'])
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echo ".";
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// Check for encrypted config.xml
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encrypted_configxml();
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if(!$parse) {
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if (file_exists($g['tmp_path'] . '/config.cache')) {
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$config = unserialize(file_get_contents($g['tmp_path'] . '/config.cache'));
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if (is_null($config))
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$parse = true;
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} else
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$parse = true;
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}
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if ($parse == true) {
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if(!file_exists($g['conf_path'] . "/config.xml")) {
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if($g['booting'])
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echo ".";
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log_error("No config.xml found, attempting last known config restore.");
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file_notice("config.xml", "No config.xml found, attempting last known config restore.", "pfSenseConfigurator", "");
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$last_backup = discover_last_backup();
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if ($last_backup)
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restore_backup("/cf/conf/backup/{$last_backup}");
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else {
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log_error("Could not restore config.xml.");
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unlock($lockkey);
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die("Config.xml is corrupted and is 0 bytes. Could not restore a previous backup.");
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}
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}
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$config = parse_xml_config($g['conf_path'] . '/config.xml', array($g['xml_rootobj'], 'pfsense'));
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if($config == -1) {
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$last_backup = discover_last_backup();
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if ($last_backup)
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restore_backup("/cf/conf/backup/{$last_backup}");
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else {
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log_error(gettext("Could not restore config.xml."));
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unlock($lockkey);
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die("Config.xml is corrupted and is 0 bytes. Could not restore a previous backup.");
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}
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}
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generate_config_cache($config);
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}
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if($g['booting'])
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echo ".";
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$config_parsed = true;
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unlock($lockkey);
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alias_make_table($config);
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return $config;
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}
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/****f* config/generate_config_cache
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* NAME
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* generate_config_cache - Write serialized configuration to cache.
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* INPUTS
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* $config - array containing current firewall configuration
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* RESULT
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* boolean - true on completion
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******/
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function generate_config_cache($config) {
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global $g, $config_extra;
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$configcache = fopen($g['tmp_path'] . '/config.cache', "w");
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fwrite($configcache, serialize($config));
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fclose($configcache);
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unset($configcache);
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/* Used for config.extra.xml */
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if(file_exists($g['tmp_path'] . '/config.extra.cache') && $config_extra) {
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$configcacheextra = fopen($g['tmp_path'] . '/config.extra.cache', "w");
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fwrite($configcacheextra, serialize($config_extra));
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fclose($configcacheextra);
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unset($configcacheextra);
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}
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}
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function discover_last_backup() {
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$backups = split("\n", `cd /cf/conf/backup && ls -ltr *.xml | awk '{print \$9}'`);
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$last_backup = "";
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foreach($backups as $backup)
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if($backup)
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$last_backup = $backup;
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return $last_backup;
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}
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function restore_backup($file) {
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global $g;
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if (file_exists($file)) {
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conf_mount_rw();
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unlink_if_exists("{$g['tmp_path']}/config.cache");
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copy("$file","/cf/conf/config.xml");
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disable_security_checks();
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log_error("{$g['product_name']} is restoring the configuration $file");
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file_notice("config.xml", "{$g['product_name']} is restoring the configuration $file", "{$g['product_name']}Configurator", "");
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conf_mount_ro();
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}
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}
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/****f* config/parse_config_bootup
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* NAME
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* parse_config_bootup - Bootup-specific configuration checks.
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* RESULT
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* null
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******/
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function parse_config_bootup() {
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global $config, $g;
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if($g['booting'])
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echo ".";
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$lockkey = lock('config');
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if (!file_exists("{$g['conf_path']}/config.xml")) {
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if ($g['booting']) {
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if (strstr($g['platform'], "cdrom")) {
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/* try copying the default config. to the floppy */
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echo "Resetting factory defaults...\n";
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reset_factory_defaults(true);
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if (!file_exists("{$g['conf_path']}/config.xml")) {
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echo "No XML configuration file found - using factory defaults.\n";
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echo "Make sure that the configuration floppy disk with the conf/config.xml\n";
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echo "file is inserted. If it isn't, your configuration changes will be lost\n";
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echo "on reboot.\n";
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}
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} else {
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$last_backup = discover_last_backup();
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if($last_backup) {
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log_error("No config.xml found, attempting last known config restore.");
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file_notice("config.xml", "No config.xml found, attempting last known config restore.", "pfSenseConfigurator", "");
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restore_backup("/cf/conf/backup/{$last_backup}");
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}
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if(!file_exists("{$g['conf_path']}/config.xml")) {
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echo "XML configuration file not found. {$g['product_name']} cannot continue booting.\n";
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unlock($lockkey);
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mwexec("/sbin/halt");
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exit;
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}
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log_error("Last known config found and restored. Please double check your configuration file for accuracy.");
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file_notice("config.xml", "Last known config found and restored. Please double check your configuration file for accuracy.", "pfSenseConfigurator", "");
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}
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} else {
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unlock($lockkey);
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exit(0);
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}
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}
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if (filesize("{$g['conf_path']}/config.xml") == 0) {
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$last_backup = discover_last_backup();
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if($last_backup) {
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log_error("No config.xml found, attempting last known config restore.");
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file_notice("config.xml", "No config.xml found, attempting last known config restore.", "pfSenseConfigurator", "");
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restore_backup("{$g['conf_path']}/backup/{$last_backup}");
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} else {
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unlock($lockkey);
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die("Config.xml is corrupted and is 0 bytes. Could not restore a previous backup.");
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}
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}
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unlock($lockkey);
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parse_config(true);
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if ((float)$config['version'] > (float)$g['latest_config']) {
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echo <<<EOD
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*******************************************************************************
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* WARNING! *
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* The current configuration has been created with a newer version of {$g['product_name']} *
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* than this one! This can lead to serious misbehavior and even security *
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* holes! You are urged to either upgrade to a newer version of {$g['product_name']} or *
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* revert to the default configuration immediately! *
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*******************************************************************************
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EOD;
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}
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/* make alias table (for faster lookups) */
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alias_make_table($config);
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}
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/****f* config/conf_mount_rw
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* NAME
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* conf_mount_rw - Mount filesystems read/write.
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* RESULT
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* null
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******/
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/* mount flash card read/write */
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function conf_mount_rw() {
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global $g;
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/* do not mount on cdrom platform */
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if($g['platform'] == "cdrom" or $g['platform'] == "pfSense")
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return;
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310
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if (refcount_reference(1000) > 1)
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return;
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$status = mwexec("/sbin/mount -u -w {$g['cf_path']}");
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if($status <> 0) {
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if($g['booting'])
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echo "Disk is dirty. Running fsck -y\n";
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mwexec("/sbin/fsck -y {$g['cf_path']}");
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$status = mwexec("/sbin/mount -u -w {$g['cf_path']}");
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}
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321
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/* if the platform is soekris or wrap or pfSense, lets mount the
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* compact flash cards root.
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*/
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$status = mwexec("/sbin/mount -u -w /");
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/* we could not mount this correctly. kick off fsck */
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if($status <> 0) {
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log_error("File system is dirty. Launching FSCK for /");
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mwexec("/sbin/fsck -y /");
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$status = mwexec("/sbin/mount -u -w /");
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}
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333
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mark_subsystem_dirty('mount');
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}
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335
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/****f* config/conf_mount_ro
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* NAME
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338
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* conf_mount_ro - Mount filesystems readonly.
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339
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* RESULT
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340
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* null
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******/
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342
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function conf_mount_ro() {
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global $g;
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344
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345
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/* do not umount on cdrom or pfSense platforms */
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if($g['platform'] == "cdrom" or $g['platform'] == "pfSense")
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return;
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348
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349
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if($g['booting'])
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350
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return;
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351
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352
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if (refcount_unreference(1000) > 0)
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return;
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354
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355
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clear_subsystem_dirty('mount');
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356
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/* sync data, then force a remount of /cf */
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357
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pfSense_sync();
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mwexec("/sbin/mount -u -r -f {$g['cf_path']}");
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359
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mwexec("/sbin/mount -u -r -f /");
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360
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}
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361
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362
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/****f* config/convert_config
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363
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* NAME
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364
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* convert_config - Attempt to update config.xml.
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365
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* DESCRIPTION
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366
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* convert_config() reads the current global configuration
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367
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* and attempts to convert it to conform to the latest
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368
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* config.xml version. This allows major formatting changes
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369
|
* to be made with a minimum of breakage.
|
|
370
|
* RESULT
|
|
371
|
* null
|
|
372
|
******/
|
|
373
|
/* convert configuration, if necessary */
|
|
374
|
function convert_config() {
|
|
375
|
global $config, $g;
|
|
376
|
$now = date("H:i:s");
|
|
377
|
log_error("Start Configuration upgrade at $now, set execution timeout to 15 minutes");
|
|
378
|
//ini_set("max_execution_time", "900");
|
|
379
|
|
|
380
|
/* special case upgrades */
|
|
381
|
/* fix every minute crontab bogons entry */
|
|
382
|
$cron_item_count = count($config['cron']['item']);
|
|
383
|
for($x=0; $x<$cron_item_count; $x++) {
|
|
384
|
if(stristr($config['cron']['item'][$x]['command'], "rc.update_bogons.sh")) {
|
|
385
|
if($config['cron']['item'][$x]['hour'] == "*" ) {
|
|
386
|
$config['cron']['item'][$x]['hour'] = "3";
|
|
387
|
write_config("Updated bogon update frequency to 3am");
|
|
388
|
log_error("Updated bogon update frequency to 3am");
|
|
389
|
}
|
|
390
|
}
|
|
391
|
}
|
|
392
|
if ($config['version'] == $g['latest_config'])
|
|
393
|
return; /* already at latest version */
|
|
394
|
|
|
395
|
// Save off config version
|
|
396
|
$prev_version = $config['version'];
|
|
397
|
|
|
398
|
include_once('auth.inc');
|
|
399
|
include_once('upgrade_config.inc');
|
|
400
|
/* Loop and run upgrade_VER_to_VER() until we're at current version */
|
|
401
|
while ($config['version'] < $g['latest_config']) {
|
|
402
|
$cur = $config['version'] * 10;
|
|
403
|
$next = $cur + 1;
|
|
404
|
$migration_function = sprintf('upgrade_%03d_to_%03d', $cur, $next);
|
|
405
|
$migration_function();
|
|
406
|
$config['version'] = sprintf('%.1f', $next / 10);
|
|
407
|
if($g['booting'])
|
|
408
|
echo ".";
|
|
409
|
}
|
|
410
|
|
|
411
|
$now = date("H:i:s");
|
|
412
|
log_error("Ended Configuration upgrade at $now");
|
|
413
|
|
|
414
|
if ($prev_version != $config['version'])
|
|
415
|
write_config("Upgraded config version level from {$prev_version} to {$config['version']}");
|
|
416
|
}
|
|
417
|
|
|
418
|
/****f* config/safe_write_file
|
|
419
|
* NAME
|
|
420
|
* safe_write_file - Write a file out atomically
|
|
421
|
* DESCRIPTION
|
|
422
|
* safe_write_file() Writes a file out atomically by first writing to a
|
|
423
|
* temporary file of the same name but ending with the pid of the current
|
|
424
|
* process, them renaming the temporary file over the original.
|
|
425
|
* INPUTS
|
|
426
|
* $filename - string containing the filename of the file to write
|
|
427
|
* $content - string containing the file content to write to file
|
|
428
|
* $force_binary - boolean denoting whether we should force binary
|
|
429
|
* mode writing.
|
|
430
|
* RESULT
|
|
431
|
* boolean - true if successful, false if not
|
|
432
|
******/
|
|
433
|
function safe_write_file($file, $content, $force_binary) {
|
|
434
|
$tmp_file = $file . "." . getmypid();
|
|
435
|
$write_mode = $force_binary ? "wb" : "w";
|
|
436
|
|
|
437
|
$fd = fopen($tmp_file, $write_mode);
|
|
438
|
if (!$fd) {
|
|
439
|
// Unable to open temporary file for writing
|
|
440
|
return false;
|
|
441
|
}
|
|
442
|
if (!fwrite($fd, $content)) {
|
|
443
|
// Unable to write to temporary file
|
|
444
|
fclose($fd);
|
|
445
|
return false;
|
|
446
|
}
|
|
447
|
fflush($fd);
|
|
448
|
fclose($fd);
|
|
449
|
|
|
450
|
if (!rename($tmp_file, $file)) {
|
|
451
|
// Unable to move temporary file to original
|
|
452
|
@unlink($tmp_file);
|
|
453
|
return false;
|
|
454
|
}
|
|
455
|
|
|
456
|
// Sync file before returning
|
|
457
|
pfSense_sync();
|
|
458
|
|
|
459
|
return true;
|
|
460
|
}
|
|
461
|
|
|
462
|
/****f* config/write_config
|
|
463
|
* NAME
|
|
464
|
* write_config - Backup and write the firewall configuration.
|
|
465
|
* DESCRIPTION
|
|
466
|
* write_config() handles backing up the current configuration,
|
|
467
|
* applying changes, and regenerating the configuration cache.
|
|
468
|
* INPUTS
|
|
469
|
* $desc - string containing the a description of configuration changes
|
|
470
|
* $backup - boolean: do not back up current configuration if false.
|
|
471
|
* RESULT
|
|
472
|
* null
|
|
473
|
******/
|
|
474
|
/* save the system configuration */
|
|
475
|
function write_config($desc="Unknown", $backup = true) {
|
|
476
|
global $config, $g;
|
|
477
|
|
|
478
|
/* TODO: Not sure what this was added for; commenting out
|
|
479
|
* for now, since it was preventing config saving. */
|
|
480
|
// $config = parse_config(true, false, false);
|
|
481
|
|
|
482
|
if($g['booting'])
|
|
483
|
log_error("WARNING! Configuration written on bootup. This can cause stray openvpn and load balancing items in config.xml");
|
|
484
|
|
|
485
|
$username = empty($_SESSION["Username"]) ? "(system)" : $_SESSION['Username'];
|
|
486
|
|
|
487
|
if($backup)
|
|
488
|
backup_config();
|
|
489
|
|
|
490
|
if (!is_array($config['revision']))
|
|
491
|
$config['revision'] = array();
|
|
492
|
|
|
493
|
if (time() > mktime(0, 0, 0, 9, 1, 2004)) /* make sure the clock settings are plausible */
|
|
494
|
$config['revision']['time'] = time();
|
|
495
|
|
|
496
|
/* Log the running script so it's not entirely unlogged what changed */
|
|
497
|
if ($desc == "Unknown")
|
|
498
|
$desc = "{$_SERVER['SCRIPT_NAME']} made unknown change";
|
|
499
|
|
|
500
|
$config['revision']['description'] = "{$username}: " . $desc;
|
|
501
|
$config['revision']['username'] = $username;
|
|
502
|
|
|
503
|
conf_mount_rw();
|
|
504
|
$lockkey = lock('config', LOCK_EX);
|
|
505
|
|
|
506
|
/* generate configuration XML */
|
|
507
|
$xmlconfig = dump_xml_config($config, $g['xml_rootobj']);
|
|
508
|
|
|
509
|
/* write new configuration */
|
|
510
|
if (!safe_write_file("{$g['cf_conf_path']}/config.xml", $xmlconfig, false)) {
|
|
511
|
log_error("WARNING: Config contents could not be save. Could not open file!");
|
|
512
|
unlock($lockkey);
|
|
513
|
file_notice("config.xml", "Unable to open {$g['cf_conf_path']}/config.xml for writing in write_config()\n");
|
|
514
|
return -1;
|
|
515
|
}
|
|
516
|
|
|
517
|
if($g['platform'] == "embedded" or $g['platform'] == "nanobsd") {
|
|
518
|
cleanup_backupcache(5, true);
|
|
519
|
} else {
|
|
520
|
cleanup_backupcache(30, true);
|
|
521
|
}
|
|
522
|
|
|
523
|
/* re-read configuration */
|
|
524
|
/* NOTE: We assume that the file can be parsed since we wrote it. */
|
|
525
|
$config = parse_xml_config("{$g['conf_path']}/config.xml", $g['xml_rootobj']);
|
|
526
|
if ($config == -1) {
|
|
527
|
$last_backup = discover_last_backup();
|
|
528
|
if ($last_backup)
|
|
529
|
restore_backup("/cf/conf/backup/{$last_backup}");
|
|
530
|
else
|
|
531
|
log_error(gettext("Could not restore config.xml."));
|
|
532
|
} else
|
|
533
|
generate_config_cache($config);
|
|
534
|
|
|
535
|
unlock($lockkey);
|
|
536
|
|
|
537
|
unlink_if_exists("/usr/local/pkg/pf/carp_sync_client.php");
|
|
538
|
|
|
539
|
/* tell kernel to sync fs data */
|
|
540
|
conf_mount_ro();
|
|
541
|
|
|
542
|
/* sync carp entries to other firewalls */
|
|
543
|
carp_sync_client();
|
|
544
|
|
|
545
|
if(is_dir("/usr/local/pkg/write_config")) {
|
|
546
|
/* process packager manager custom rules */
|
|
547
|
run_plugins("/usr/local/pkg/write_config/");
|
|
548
|
}
|
|
549
|
|
|
550
|
return $config;
|
|
551
|
}
|
|
552
|
|
|
553
|
/****f* config/reset_factory_defaults
|
|
554
|
* NAME
|
|
555
|
* reset_factory_defaults - Reset the system to its default configuration.
|
|
556
|
* RESULT
|
|
557
|
* integer - indicates completion
|
|
558
|
******/
|
|
559
|
function reset_factory_defaults($lock = false) {
|
|
560
|
global $g;
|
|
561
|
|
|
562
|
conf_mount_rw();
|
|
563
|
if (!$lock)
|
|
564
|
$lockkey = lock('config', LOCK_EX);
|
|
565
|
|
|
566
|
/* create conf directory, if necessary */
|
|
567
|
safe_mkdir("{$g['cf_conf_path']}");
|
|
568
|
|
|
569
|
/* clear out /conf */
|
|
570
|
$dh = opendir($g['conf_path']);
|
|
571
|
while ($filename = readdir($dh)) {
|
|
572
|
if (($filename != ".") && ($filename != "..")) {
|
|
573
|
unlink_if_exists($g['conf_path'] . "/" . $filename);
|
|
574
|
}
|
|
575
|
}
|
|
576
|
closedir($dh);
|
|
577
|
|
|
578
|
/* copy default configuration */
|
|
579
|
copy("{$g['conf_default_path']}/config.xml", "{$g['conf_path']}/config.xml");
|
|
580
|
|
|
581
|
disable_security_checks();
|
|
582
|
|
|
583
|
/* call the wizard */
|
|
584
|
touch("/conf/trigger_initial_wizard");
|
|
585
|
if (!$lock)
|
|
586
|
unlock($lockkey);
|
|
587
|
conf_mount_ro();
|
|
588
|
|
|
589
|
return 0;
|
|
590
|
}
|
|
591
|
|
|
592
|
function config_restore($conffile) {
|
|
593
|
global $config, $g;
|
|
594
|
|
|
595
|
if (!file_exists($conffile))
|
|
596
|
return 1;
|
|
597
|
|
|
598
|
backup_config();
|
|
599
|
|
|
600
|
conf_mount_rw();
|
|
601
|
|
|
602
|
$lockkey = lock('config', LOCK_EX);
|
|
603
|
|
|
604
|
unlink_if_exists("{$g['tmp_path']}/config.cache");
|
|
605
|
copy($conffile, "{$g['cf_conf_path']}/config.xml");
|
|
606
|
|
|
607
|
disable_security_checks();
|
|
608
|
|
|
609
|
unlock($lockkey);
|
|
610
|
|
|
611
|
$config = parse_config(true);
|
|
612
|
|
|
613
|
conf_mount_ro();
|
|
614
|
|
|
615
|
write_config("Reverted to " . array_pop(explode("/", $conffile)) . ".", false);
|
|
616
|
|
|
617
|
return 0;
|
|
618
|
}
|
|
619
|
|
|
620
|
function config_install($conffile) {
|
|
621
|
global $config, $g;
|
|
622
|
|
|
623
|
if (!file_exists($conffile))
|
|
624
|
return 1;
|
|
625
|
|
|
626
|
if (!config_validate("{$conffile}"))
|
|
627
|
return 1;
|
|
628
|
|
|
629
|
if($g['booting'] == true)
|
|
630
|
echo "Installing configuration...\n";
|
|
631
|
else
|
|
632
|
log_error("Installing configuration ....");
|
|
633
|
|
|
634
|
conf_mount_rw();
|
|
635
|
$lockkey = lock('config', LOCK_EX);
|
|
636
|
|
|
637
|
copy($conffile, "{$g['conf_path']}/config.xml");
|
|
638
|
|
|
639
|
disable_security_checks();
|
|
640
|
|
|
641
|
/* unlink cache file if it exists */
|
|
642
|
if(file_exists("{$g['tmp_path']}/config.cache"))
|
|
643
|
unlink("{$g['tmp_path']}/config.cache");
|
|
644
|
|
|
645
|
unlock($lockkey);
|
|
646
|
conf_mount_ro();
|
|
647
|
|
|
648
|
return 0;
|
|
649
|
}
|
|
650
|
|
|
651
|
/*
|
|
652
|
* Disable security checks for DNS rebind and HTTP referrer until next time
|
|
653
|
* they pass (or reboot), to aid in preventing accidental lockout when
|
|
654
|
* restoring settings like hostname, domain, IP addresses, and settings
|
|
655
|
* related to the DNS rebind and HTTP referrer checks.
|
|
656
|
* Intended for use when restoring a configuration or directly
|
|
657
|
* modifying config.xml without an unconditional reboot.
|
|
658
|
*/
|
|
659
|
function disable_security_checks() {
|
|
660
|
global $g;
|
|
661
|
touch("{$g['tmp_path']}/disable_security_checks");
|
|
662
|
}
|
|
663
|
|
|
664
|
/* Restores security checks. Should be called after all succeed. */
|
|
665
|
function restore_security_checks() {
|
|
666
|
global $g;
|
|
667
|
unlink_if_exists("{$g['tmp_path']}/disable_security_checks");
|
|
668
|
}
|
|
669
|
|
|
670
|
/* Returns status of security check temporary disable. */
|
|
671
|
function security_checks_disabled() {
|
|
672
|
global $g;
|
|
673
|
return file_exists("{$g['tmp_path']}/disable_security_checks");
|
|
674
|
}
|
|
675
|
|
|
676
|
function config_validate($conffile) {
|
|
677
|
|
|
678
|
global $g, $xmlerr;
|
|
679
|
|
|
680
|
$xml_parser = xml_parser_create();
|
|
681
|
|
|
682
|
if (!($fp = fopen($conffile, "r"))) {
|
|
683
|
$xmlerr = "XML error: unable to open file";
|
|
684
|
return false;
|
|
685
|
}
|
|
686
|
|
|
687
|
while ($data = fread($fp, 4096)) {
|
|
688
|
if (!xml_parse($xml_parser, $data, feof($fp))) {
|
|
689
|
$xmlerr = sprintf("%s at line %d",
|
|
690
|
xml_error_string(xml_get_error_code($xml_parser)),
|
|
691
|
xml_get_current_line_number($xml_parser));
|
|
692
|
return false;
|
|
693
|
}
|
|
694
|
}
|
|
695
|
xml_parser_free($xml_parser);
|
|
696
|
|
|
697
|
fclose($fp);
|
|
698
|
|
|
699
|
return true;
|
|
700
|
}
|
|
701
|
|
|
702
|
function cleanup_backupcache($revisions = 30, $lock = false) {
|
|
703
|
global $g;
|
|
704
|
$i = false;
|
|
705
|
|
|
706
|
if (!$lock)
|
|
707
|
$lockkey = lock('config');
|
|
708
|
|
|
709
|
conf_mount_rw();
|
|
710
|
|
|
711
|
$backups = get_backups();
|
|
712
|
if ($backups) {
|
|
713
|
$baktimes = $backups['versions'];
|
|
714
|
unset($backups['versions']);
|
|
715
|
} else {
|
|
716
|
$backups = array();
|
|
717
|
$baktimes = array();
|
|
718
|
}
|
|
719
|
$newbaks = array();
|
|
720
|
$bakfiles = glob($g['cf_conf_path'] . "/backup/config-*");
|
|
721
|
$tocache = array();
|
|
722
|
|
|
723
|
foreach($bakfiles as $backup) { // Check for backups in the directory not represented in the cache.
|
|
724
|
if(filesize($backup) == 0) {
|
|
725
|
unlink($backup);
|
|
726
|
continue;
|
|
727
|
}
|
|
728
|
$tocheck = array_shift(explode('.', array_pop(explode('-', $backup))));
|
|
729
|
if(!in_array($tocheck, $baktimes)) {
|
|
730
|
$i = true;
|
|
731
|
if($g['booting'])
|
|
732
|
echo ".";
|
|
733
|
$newxml = parse_xml_config($backup, array($g['xml_rootobj'], 'pfsense'));
|
|
734
|
if($newxml == "-1") {
|
|
735
|
log_error("The backup cache file $backup is corrupted. Unlinking.");
|
|
736
|
unlink($backup);
|
|
737
|
log_error("The backup cache file $backup is corrupted. Unlinking.");
|
|
738
|
continue;
|
|
739
|
}
|
|
740
|
if($newxml['revision']['description'] == "")
|
|
741
|
$newxml['revision']['description'] = "Unknown";
|
|
742
|
$tocache[$tocheck] = array('description' => $newxml['revision']['description']);
|
|
743
|
}
|
|
744
|
}
|
|
745
|
foreach($backups as $checkbak) {
|
|
746
|
if(count(preg_grep('/' . $checkbak['time'] . '/i', $bakfiles)) != 0) {
|
|
747
|
$newbaks[] = $checkbak;
|
|
748
|
} else {
|
|
749
|
$i = true;
|
|
750
|
if($g['booting']) print " " . $tocheck . "r";
|
|
751
|
}
|
|
752
|
}
|
|
753
|
foreach($newbaks as $todo) $tocache[$todo['time']] = array('description' => $todo['description']);
|
|
754
|
if(is_int($revisions) and (count($tocache) > $revisions)) {
|
|
755
|
$toslice = array_slice(array_keys($tocache), 0, $revisions);
|
|
756
|
foreach($toslice as $sliced)
|
|
757
|
$newcache[$sliced] = $tocache[$sliced];
|
|
758
|
foreach($tocache as $version => $versioninfo) {
|
|
759
|
if(!in_array($version, array_keys($newcache))) {
|
|
760
|
unlink_if_exists($g['conf_path'] . '/backup/config-' . $version . '.xml');
|
|
761
|
//if($g['booting']) print " " . $tocheck . "d";
|
|
762
|
}
|
|
763
|
}
|
|
764
|
$tocache = $newcache;
|
|
765
|
}
|
|
766
|
$bakout = fopen($g['cf_conf_path'] . '/backup/backup.cache', "w");
|
|
767
|
fwrite($bakout, serialize($tocache));
|
|
768
|
fclose($bakout);
|
|
769
|
conf_mount_ro();
|
|
770
|
|
|
771
|
if (!$lock)
|
|
772
|
unlock($lockkey);
|
|
773
|
}
|
|
774
|
|
|
775
|
function get_backups() {
|
|
776
|
global $g;
|
|
777
|
if(file_exists("{$g['cf_conf_path']}/backup/backup.cache")) {
|
|
778
|
$confvers = unserialize(file_get_contents("{$g['cf_conf_path']}/backup/backup.cache"));
|
|
779
|
$bakvers = array_keys($confvers);
|
|
780
|
$toreturn = array();
|
|
781
|
sort($bakvers);
|
|
782
|
// $bakvers = array_reverse($bakvers);
|
|
783
|
foreach(array_reverse($bakvers) as $bakver)
|
|
784
|
$toreturn[] = array('time' => $bakver, 'description' => $confvers[$bakver]['description']);
|
|
785
|
} else {
|
|
786
|
return false;
|
|
787
|
}
|
|
788
|
$toreturn['versions'] = $bakvers;
|
|
789
|
return $toreturn;
|
|
790
|
}
|
|
791
|
|
|
792
|
function backup_config() {
|
|
793
|
global $config, $g;
|
|
794
|
|
|
795
|
if($g['platform'] == "cdrom")
|
|
796
|
return;
|
|
797
|
|
|
798
|
conf_mount_rw();
|
|
799
|
|
|
800
|
/* Create backup directory if needed */
|
|
801
|
safe_mkdir("{$g['cf_conf_path']}/backup");
|
|
802
|
|
|
803
|
if($config['revision']['time'] == "") {
|
|
804
|
$baktime = 0;
|
|
805
|
} else {
|
|
806
|
$baktime = $config['revision']['time'];
|
|
807
|
}
|
|
808
|
if($config['revision']['description'] == "") {
|
|
809
|
$bakdesc = "Unknown";
|
|
810
|
} else {
|
|
811
|
$bakdesc = $config['revision']['description'];
|
|
812
|
}
|
|
813
|
copy($g['cf_conf_path'] . '/config.xml', $g['cf_conf_path'] . '/backup/config-' . $baktime . '.xml');
|
|
814
|
if(file_exists($g['cf_conf_path'] . '/backup/backup.cache')) {
|
|
815
|
$backupcache = unserialize(file_get_contents($g['cf_conf_path'] . '/backup/backup.cache'));
|
|
816
|
} else {
|
|
817
|
$backupcache = array();
|
|
818
|
}
|
|
819
|
$backupcache[$baktime] = array('description' => $bakdesc);
|
|
820
|
$bakout = fopen($g['cf_conf_path'] . '/backup/backup.cache', "w");
|
|
821
|
fwrite($bakout, serialize($backupcache));
|
|
822
|
fclose($bakout);
|
|
823
|
|
|
824
|
conf_mount_ro();
|
|
825
|
|
|
826
|
return true;
|
|
827
|
}
|
|
828
|
|
|
829
|
function set_device_perms() {
|
|
830
|
$devices = array(
|
|
831
|
'pf' => array( 'user' => 'root',
|
|
832
|
'group' => 'proxy',
|
|
833
|
'mode' => 0660),
|
|
834
|
);
|
|
835
|
|
|
836
|
foreach ($devices as $name => $attr) {
|
|
837
|
$path = "/dev/$name";
|
|
838
|
if (file_exists($path)) {
|
|
839
|
chown($path, $attr['user']);
|
|
840
|
chgrp($path, $attr['group']);
|
|
841
|
chmod($path, $attr['mode']);
|
|
842
|
}
|
|
843
|
}
|
|
844
|
}
|
|
845
|
|
|
846
|
?>
|