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<?php
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/*
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util.inc
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part of the pfSense project (https://www.pfsense.org)
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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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*/
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/*
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pfSense_BUILDER_BINARIES: /bin/ps /bin/kill /usr/bin/killall /sbin/ifconfig /usr/bin/netstat
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pfSense_BUILDER_BINARIES: /usr/bin/awk /sbin/dmesg /sbin/ping /usr/local/sbin/gzsig /usr/sbin/arp
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pfSense_BUILDER_BINARIES: /sbin/conscontrol /sbin/devd /bin/ps
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pfSense_MODULE: utils
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*/
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/* kill a process by pid file */
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function killbypid($pidfile) {
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return sigkillbypid($pidfile, "TERM");
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}
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function isvalidpid($pidfile) {
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$output = "";
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if (file_exists($pidfile)) {
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exec("/bin/pgrep -nF {$pidfile}", $output, $retval);
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return (intval($retval) == 0);
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}
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return false;
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}
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function is_process_running($process) {
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$output = "";
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exec("/bin/pgrep -anx " . escapeshellarg($process), $output, $retval);
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return (intval($retval) == 0);
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}
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function isvalidproc($proc) {
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return is_process_running($proc);
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}
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/* sigkill a process by pid file */
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/* return 1 for success and 0 for a failure */
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function sigkillbypid($pidfile, $sig) {
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if (file_exists($pidfile))
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return mwexec("/bin/pkill " . escapeshellarg("-{$sig}") . " -F {$pidfile}", true);
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return 0;
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}
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/* kill a process by name */
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function sigkillbyname($procname, $sig) {
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if(isvalidproc($procname))
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return mwexec("/usr/bin/killall " . escapeshellarg("-{$sig}") . " " . escapeshellarg($procname), true);
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}
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/* kill a process by name */
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function killbyname($procname) {
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if(isvalidproc($procname))
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mwexec("/usr/bin/killall " . escapeshellarg($procname));
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}
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function is_subsystem_dirty($subsystem = "") {
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global $g;
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if ($subsystem == "")
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return false;
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if (file_exists("{$g['varrun_path']}/{$subsystem}.dirty"))
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return true;
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return false;
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}
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function mark_subsystem_dirty($subsystem = "") {
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global $g;
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if (!file_put_contents("{$g['varrun_path']}/{$subsystem}.dirty", "DIRTY"))
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log_error(sprintf(gettext("WARNING: Could not mark subsystem: %s dirty"), $subsystem));
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}
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function clear_subsystem_dirty($subsystem = "") {
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global $g;
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@unlink("{$g['varrun_path']}/{$subsystem}.dirty");
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}
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function config_lock() {
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return;
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}
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function config_unlock() {
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return;
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}
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/* lock configuration file */
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function lock($lock, $op = LOCK_SH) {
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global $g, $cfglckkeyconsumers;
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if (!$lock)
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die(gettext("WARNING: You must give a name as parameter to lock() function."));
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if (!file_exists("{$g['tmp_path']}/{$lock}.lock")) {
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@touch("{$g['tmp_path']}/{$lock}.lock");
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@chmod("{$g['tmp_path']}/{$lock}.lock", 0666);
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}
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$cfglckkeyconsumers++;
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if ($fp = fopen("{$g['tmp_path']}/{$lock}.lock", "w")) {
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if (flock($fp, $op))
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return $fp;
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else
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fclose($fp);
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}
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}
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function try_lock($lock, $timeout = 5) {
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global $g, $cfglckkeyconsumers;
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if (!$lock)
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die(gettext("WARNING: You must give a name as parameter to try_lock() function."));
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if (!file_exists("{$g['tmp_path']}/{$lock}.lock")) {
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@touch("{$g['tmp_path']}/{$lock}.lock");
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@chmod("{$g['tmp_path']}/{$lock}.lock", 0666);
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}
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$cfglckkeyconsumers++;
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if ($fp = fopen("{$g['tmp_path']}/{$lock}.lock", "w")) {
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$trycounter = 0;
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while(!flock($fp, LOCK_EX | LOCK_NB)) {
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if ($trycounter >= $timeout) {
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fclose($fp);
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return NULL;
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}
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sleep(1);
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$trycounter++;
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}
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return $fp;
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}
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return NULL;
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}
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/* unlock configuration file */
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function unlock($cfglckkey = 0) {
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global $g, $cfglckkeyconsumers;
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flock($cfglckkey, LOCK_UN);
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fclose($cfglckkey);
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return;
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}
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/* unlock forcefully configuration file */
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function unlock_force($lock) {
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global $g;
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@unlink("{$g['tmp_path']}/{$lock}.lock");
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}
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function send_event($cmd) {
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global $g;
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if(!isset($g['event_address']))
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$g['event_address'] = "unix:///var/run/check_reload_status";
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$try = 0;
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while ($try < 3) {
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$fd = @fsockopen($g['event_address']);
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if ($fd) {
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fwrite($fd, $cmd);
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$resp = fread($fd, 4096);
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if ($resp != "OK\n")
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log_error("send_event: sent {$cmd} got {$resp}");
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fclose($fd);
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$try = 3;
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} else if (!is_process_running("check_reload_status"))
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mwexec_bg("/usr/bin/nice -n20 /usr/local/sbin/check_reload_status");
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$try++;
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}
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}
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function send_multiple_events($cmds) {
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global $g;
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if(!isset($g['event_address']))
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$g['event_address'] = "unix:///var/run/check_reload_status";
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if (!is_array($cmds))
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return;
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while ($try < 3) {
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$fd = @fsockopen($g['event_address']);
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if ($fd) {
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foreach ($cmds as $cmd) {
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fwrite($fd, $cmd);
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$resp = fread($fd, 4096);
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if ($resp != "OK\n")
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log_error("send_event: sent {$cmd} got {$resp}");
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}
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fclose($fd);
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$try = 3;
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} else if (!is_process_running("check_reload_status"))
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mwexec_bg("/usr/bin/nice -n20 /usr/local/sbin/check_reload_status");
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$try++;
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}
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}
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function refcount_init($reference) {
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$shmid = @shmop_open($reference, "c", 0644, 10);
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@shmop_write($shmid, str_pad("0", 10, "\x0", STR_PAD_RIGHT), 0);
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@shmop_close($shmid);
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}
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function refcount_reference($reference) {
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/* Take out a lock across the shared memory read, increment, write sequence to make it atomic. */
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$shm_lck = lock("shm{$reference}", LOCK_EX);
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try {
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/* NOTE: A warning is generated when shared memory does not exist */
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$shmid = @shmop_open($reference, "w", 0, 0);
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if (!$shmid) {
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refcount_init($reference);
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$shmid = @shmop_open($reference, "w", 0, 0);
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if (!$shmid) {
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log_error(gettext("Could not open shared memory {$reference}"));
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unlock($shm_lck);
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return;
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}
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}
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$shm_data = @shmop_read($shmid, 0, 10);
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$shm_data = intval($shm_data) + 1;
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@shmop_write($shmid, str_pad($shm_data, 10, "\x0", STR_PAD_RIGHT), 0);
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@shmop_close($shmid);
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unlock($shm_lck);
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} catch (Exception $e) {
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log_error($e->getMessage());
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unlock($shm_lck);
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}
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return $shm_data;
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}
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function refcount_unreference($reference) {
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/* Take out a lock across the shared memory read, decrement, write sequence to make it atomic. */
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$shm_lck = lock("shm{$reference}", LOCK_EX);
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try {
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$shmid = @shmop_open($reference, "w", 0, 0);
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if (!$shmid) {
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refcount_init($reference);
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log_error(gettext("Could not open shared memory {$reference}"));
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unlock($shm_lck);
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return;
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}
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$shm_data = @shmop_read($shmid, 0, 10);
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$shm_data = intval($shm_data) - 1;
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if ($shm_data < 0) {
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//debug_backtrace();
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log_error(sprintf(gettext("Reference %s is going negative, not doing unreference."), $reference));
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} else
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@shmop_write($shmid, str_pad($shm_data, 10, "\x0", STR_PAD_RIGHT), 0);
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@shmop_close($shmid);
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unlock($shm_lck);
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} catch (Exception $e) {
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log_error($e->getMessage());
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unlock($shm_lck);
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}
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282
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283
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return $shm_data;
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}
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285
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286
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function refcount_read($reference) {
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/* This function just reads the current value of the refcount for information. */
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/* There is no need for locking. */
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$shmid = @shmop_open($reference, "a", 0, 0);
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if (!$shmid) {
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log_error(gettext("Could not open shared memory for read {$reference}"));
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292
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return -1;
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293
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}
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294
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$shm_data = @shmop_read($shmid, 0, 10);
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@shmop_close($shmid);
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296
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return $shm_data;
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297
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}
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298
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299
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function is_module_loaded($module_name) {
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300
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$module_name = str_replace(".ko", "", $module_name);
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301
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$running = 0;
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302
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$_gb = exec("/sbin/kldstat -qn {$module_name} 2>&1", $_gb, $running);
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303
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if (intval($running) == 0)
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304
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return true;
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305
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else
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306
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return false;
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307
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}
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308
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309
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/* validate non-negative numeric string, or equivalent numeric variable */
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310
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function is_numericint($arg) {
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311
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return (((is_int($arg) && $arg >= 0) || (is_string($arg) && strlen($arg) > 0 && ctype_digit($arg))) ? true : false);
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312
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}
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313
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314
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/* return the subnet address given a host address and a subnet bit count */
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315
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function gen_subnet($ipaddr, $bits) {
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316
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if (!is_ipaddr($ipaddr) || !is_numeric($bits))
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317
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return "";
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318
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return long2ip(ip2long($ipaddr) & gen_subnet_mask_long($bits));
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319
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}
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320
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321
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/* return the subnet address given a host address and a subnet bit count */
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322
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function gen_subnetv6($ipaddr, $bits) {
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323
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if (!is_ipaddrv6($ipaddr) || !is_numeric($bits))
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324
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return "";
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325
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326
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$address = Net_IPv6::getNetmask($ipaddr, $bits);
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327
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$address = Net_IPv6::compress($address);
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328
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return $address;
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329
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}
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330
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|
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331
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/* return the highest (broadcast) address in the subnet given a host address and a subnet bit count */
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332
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function gen_subnet_max($ipaddr, $bits) {
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333
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if (!is_ipaddr($ipaddr) || !is_numeric($bits))
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334
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return "";
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335
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336
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return long2ip32(ip2long($ipaddr) | ~gen_subnet_mask_long($bits));
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337
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}
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338
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339
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/* Generate end number for a given ipv6 subnet mask */
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340
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function gen_subnetv6_max($ipaddr, $bits) {
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341
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if(!is_ipaddrv6($ipaddr))
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342
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return false;
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343
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344
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$mask = Net_IPv6::getNetmask('FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF',$bits);
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345
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346
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$inet_ip = (binary)inet_pton($ipaddr);
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347
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$inet_mask = (binary)inet_pton($mask);
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348
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349
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$inet_end = $inet_ip | ~$inet_mask;
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350
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351
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return (inet_ntop($inet_end));
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352
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}
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353
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354
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/* returns a subnet mask (long given a bit count) */
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355
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function gen_subnet_mask_long($bits) {
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356
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$sm = 0;
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357
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for ($i = 0; $i < $bits; $i++) {
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358
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$sm >>= 1;
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359
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$sm |= 0x80000000;
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360
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}
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361
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return $sm;
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362
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}
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|
363
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364
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/* same as above but returns a string */
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|
365
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function gen_subnet_mask($bits) {
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366
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return long2ip(gen_subnet_mask_long($bits));
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|
367
|
}
|
|
368
|
|
|
369
|
/* Convert long int to IP address, truncating to 32-bits. */
|
|
370
|
function long2ip32($ip) {
|
|
371
|
return long2ip($ip & 0xFFFFFFFF);
|
|
372
|
}
|
|
373
|
|
|
374
|
/* Convert IP address to long int, truncated to 32-bits to avoid sign extension on 64-bit platforms. */
|
|
375
|
function ip2long32($ip) {
|
|
376
|
return ( ip2long($ip) & 0xFFFFFFFF );
|
|
377
|
}
|
|
378
|
|
|
379
|
/* Convert IP address to unsigned long int. */
|
|
380
|
function ip2ulong($ip) {
|
|
381
|
return sprintf("%u", ip2long32($ip));
|
|
382
|
}
|
|
383
|
|
|
384
|
/* Find out how many IPs are contained within a given IP range
|
|
385
|
* e.g. 192.168.0.0 to 192.168.0.255 returns 256
|
|
386
|
*/
|
|
387
|
function ip_range_size($startip, $endip) {
|
|
388
|
if (is_ipaddr($startip) && is_ipaddr($endip)) {
|
|
389
|
// Operate as unsigned long because otherwise it wouldn't work
|
|
390
|
// when crossing over from 127.255.255.255 / 128.0.0.0 barrier
|
|
391
|
return abs(ip2ulong($startip) - ip2ulong($endip)) + 1;
|
|
392
|
}
|
|
393
|
return -1;
|
|
394
|
}
|
|
395
|
|
|
396
|
/* Find the smallest possible subnet mask which can contain a given number of IPs
|
|
397
|
* e.g. 512 IPs can fit in a /23, but 513 IPs need a /22
|
|
398
|
*/
|
|
399
|
function find_smallest_cidr($number) {
|
|
400
|
$smallest = 1;
|
|
401
|
for ($b=32; $b > 0; $b--) {
|
|
402
|
$smallest = ($number <= pow(2,$b)) ? $b : $smallest;
|
|
403
|
}
|
|
404
|
return (32-$smallest);
|
|
405
|
}
|
|
406
|
|
|
407
|
/* Return the previous IP address before the given address */
|
|
408
|
function ip_before($ip) {
|
|
409
|
return long2ip32(ip2long($ip)-1);
|
|
410
|
}
|
|
411
|
|
|
412
|
/* Return the next IP address after the given address */
|
|
413
|
function ip_after($ip) {
|
|
414
|
return long2ip32(ip2long($ip)+1);
|
|
415
|
}
|
|
416
|
|
|
417
|
/* Return true if the first IP is 'before' the second */
|
|
418
|
function ip_less_than($ip1, $ip2) {
|
|
419
|
// Compare as unsigned long because otherwise it wouldn't work when
|
|
420
|
// crossing over from 127.255.255.255 / 128.0.0.0 barrier
|
|
421
|
return ip2ulong($ip1) < ip2ulong($ip2);
|
|
422
|
}
|
|
423
|
|
|
424
|
/* Return true if the first IP is 'after' the second */
|
|
425
|
function ip_greater_than($ip1, $ip2) {
|
|
426
|
// Compare as unsigned long because otherwise it wouldn't work
|
|
427
|
// when crossing over from 127.255.255.255 / 128.0.0.0 barrier
|
|
428
|
return ip2ulong($ip1) > ip2ulong($ip2);
|
|
429
|
}
|
|
430
|
|
|
431
|
/* Convert a range of IPs to an array of subnets which can contain the range. */
|
|
432
|
function ip_range_to_subnet_array($startip, $endip) {
|
|
433
|
if (!is_ipaddr($startip) || !is_ipaddr($endip)) {
|
|
434
|
return array();
|
|
435
|
}
|
|
436
|
|
|
437
|
// Container for subnets within this range.
|
|
438
|
$rangesubnets = array();
|
|
439
|
|
|
440
|
// Figure out what the smallest subnet is that holds the number of IPs in the given range.
|
|
441
|
$cidr = find_smallest_cidr(ip_range_size($startip, $endip));
|
|
442
|
|
|
443
|
// Loop here to reduce subnet size and retest as needed. We need to make sure
|
|
444
|
// that the target subnet is wholly contained between $startip and $endip.
|
|
445
|
for ($cidr; $cidr <= 32; $cidr++) {
|
|
446
|
// Find the network and broadcast addresses for the subnet being tested.
|
|
447
|
$targetsub_min = gen_subnet($startip, $cidr);
|
|
448
|
$targetsub_max = gen_subnet_max($startip, $cidr);
|
|
449
|
|
|
450
|
// Check best case where the range is exactly one subnet.
|
|
451
|
if (($targetsub_min == $startip) && ($targetsub_max == $endip)) {
|
|
452
|
// Hooray, the range is exactly this subnet!
|
|
453
|
return array("{$startip}/{$cidr}");
|
|
454
|
}
|
|
455
|
|
|
456
|
// These remaining scenarios will find a subnet that uses the largest
|
|
457
|
// chunk possible of the range being tested, and leave the rest to be
|
|
458
|
// tested recursively after the loop.
|
|
459
|
|
|
460
|
// Check if the subnet begins with $startip and ends before $endip
|
|
461
|
if (($targetsub_min == $startip) && ip_less_than($targetsub_max, $endip)) {
|
|
462
|
break;
|
|
463
|
}
|
|
464
|
|
|
465
|
// Check if the subnet ends at $endip and starts after $startip
|
|
466
|
if (ip_greater_than($targetsub_min, $startip) && ($targetsub_max == $endip)) {
|
|
467
|
break;
|
|
468
|
}
|
|
469
|
|
|
470
|
// Check if the subnet is between $startip and $endip
|
|
471
|
if (ip_greater_than($targetsub_min, $startip) && ip_less_than($targetsub_max, $endip)) {
|
|
472
|
break;
|
|
473
|
}
|
|
474
|
}
|
|
475
|
|
|
476
|
// Some logic that will recursivly search from $startip to the first IP before the start of the subnet we just found.
|
|
477
|
// NOTE: This may never be hit, the way the above algo turned out, but is left for completeness.
|
|
478
|
if ($startip != $targetsub_min) {
|
|
479
|
$rangesubnets = array_merge($rangesubnets, ip_range_to_subnet_array($startip, ip_before($targetsub_min)));
|
|
480
|
}
|
|
481
|
|
|
482
|
// Add in the subnet we found before, to preserve ordering
|
|
483
|
$rangesubnets[] = "{$targetsub_min}/{$cidr}";
|
|
484
|
|
|
485
|
// And some more logic that will search after the subnet we found to fill in to the end of the range.
|
|
486
|
if ($endip != $targetsub_max) {
|
|
487
|
$rangesubnets = array_merge($rangesubnets, ip_range_to_subnet_array(ip_after($targetsub_max), $endip));
|
|
488
|
}
|
|
489
|
return $rangesubnets;
|
|
490
|
}
|
|
491
|
|
|
492
|
function is_iprange($range) {
|
|
493
|
if (substr_count($range, '-') != 1) {
|
|
494
|
return false;
|
|
495
|
}
|
|
496
|
list($ip1, $ip2) = explode ('-', $range);
|
|
497
|
return (is_ipaddr($ip1) && is_ipaddr($ip2));
|
|
498
|
}
|
|
499
|
|
|
500
|
/* returns true if $ipaddr is a valid dotted IPv4 address or a IPv6 */
|
|
501
|
function is_ipaddr($ipaddr) {
|
|
502
|
if(is_ipaddrv4($ipaddr)) {
|
|
503
|
return true;
|
|
504
|
}
|
|
505
|
if(is_ipaddrv6($ipaddr)) {
|
|
506
|
return true;
|
|
507
|
}
|
|
508
|
return false;
|
|
509
|
}
|
|
510
|
|
|
511
|
/* returns true if $ipaddr is a valid IPv6 address */
|
|
512
|
function is_ipaddrv6($ipaddr) {
|
|
513
|
if (!is_string($ipaddr) || empty($ipaddr))
|
|
514
|
return false;
|
|
515
|
if (strstr($ipaddr, "%") && is_linklocal($ipaddr)) {
|
|
516
|
$tmpip = explode("%", $ipaddr);
|
|
517
|
$ipaddr = $tmpip[0];
|
|
518
|
}
|
|
519
|
return Net_IPv6::checkIPv6($ipaddr);
|
|
520
|
}
|
|
521
|
|
|
522
|
/* returns true if $ipaddr is a valid dotted IPv4 address */
|
|
523
|
function is_ipaddrv4($ipaddr) {
|
|
524
|
if (!is_string($ipaddr) || empty($ipaddr))
|
|
525
|
return false;
|
|
526
|
|
|
527
|
$ip_long = ip2long($ipaddr);
|
|
528
|
$ip_reverse = long2ip32($ip_long);
|
|
529
|
|
|
530
|
if ($ipaddr == $ip_reverse)
|
|
531
|
return true;
|
|
532
|
else
|
|
533
|
return false;
|
|
534
|
}
|
|
535
|
|
|
536
|
/* returns true if $ipaddr is a valid linklocal address */
|
|
537
|
function is_linklocal($ipaddr) {
|
|
538
|
return (strtolower(substr($ipaddr, 0, 5)) == "fe80:");
|
|
539
|
}
|
|
540
|
|
|
541
|
/* returns scope of a linklocal address */
|
|
542
|
function get_ll_scope($addr) {
|
|
543
|
if (!is_linklocal($addr) || !strstr($addr, "%"))
|
|
544
|
return "";
|
|
545
|
list ($ll, $scope) = explode("%", $addr);
|
|
546
|
return $scope;
|
|
547
|
}
|
|
548
|
|
|
549
|
/* returns true if $ipaddr is a valid literal IPv6 address */
|
|
550
|
function is_literalipaddrv6($ipaddr) {
|
|
551
|
if(preg_match("/\[([0-9a-f:]+)\]/i", $ipaddr, $match))
|
|
552
|
$ipaddr = $match[1];
|
|
553
|
else
|
|
554
|
return false;
|
|
555
|
|
|
556
|
return is_ipaddrv6($ipaddr);
|
|
557
|
}
|
|
558
|
|
|
559
|
function is_ipaddrwithport($ipport) {
|
|
560
|
$parts = explode(":", $ipport);
|
|
561
|
$port = array_pop($parts);
|
|
562
|
if (count($parts) == 1) {
|
|
563
|
return is_ipaddrv4($parts[0]) && is_port($port);
|
|
564
|
} elseif (count($parts) > 1) {
|
|
565
|
return is_literalipaddrv6(implode(":", $parts)) && is_port($port);
|
|
566
|
} else {
|
|
567
|
return false;
|
|
568
|
}
|
|
569
|
}
|
|
570
|
|
|
571
|
function is_hostnamewithport($hostport) {
|
|
572
|
$parts = explode(":", $hostport);
|
|
573
|
$port = array_pop($parts);
|
|
574
|
if (count($parts) == 1) {
|
|
575
|
return is_hostname($parts[0]) && is_port($port);
|
|
576
|
} else {
|
|
577
|
return false;
|
|
578
|
}
|
|
579
|
}
|
|
580
|
|
|
581
|
/* returns true if $ipaddr is a valid dotted IPv4 address or an alias thereof */
|
|
582
|
function is_ipaddroralias($ipaddr) {
|
|
583
|
global $config;
|
|
584
|
|
|
585
|
if (is_alias($ipaddr)) {
|
|
586
|
if (is_array($config['aliases']['alias'])) {
|
|
587
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
588
|
if ($alias['name'] == $ipaddr && !preg_match("/port/i", $alias['type']))
|
|
589
|
return true;
|
|
590
|
}
|
|
591
|
}
|
|
592
|
return false;
|
|
593
|
} else
|
|
594
|
return is_ipaddr($ipaddr);
|
|
595
|
|
|
596
|
}
|
|
597
|
|
|
598
|
/* returns true if $subnet is a valid IPv4 or IPv6 subnet in CIDR format
|
|
599
|
false - if not a valid subnet
|
|
600
|
true (numeric 4 or 6) - if valid, gives type of subnet */
|
|
601
|
function is_subnet($subnet) {
|
|
602
|
if (is_string($subnet) && preg_match('/^(?:([0-9.]{7,15})|([0-9a-f:]{2,39}))\/(\d{1,3})$/i', $subnet, $parts)) {
|
|
603
|
if (is_ipaddrv4($parts[1]) && $parts[3] <= 32)
|
|
604
|
return 4;
|
|
605
|
if (is_ipaddrv6($parts[2]) && $parts[3] <= 128)
|
|
606
|
return 6;
|
|
607
|
}
|
|
608
|
return false;
|
|
609
|
}
|
|
610
|
|
|
611
|
/* same as is_subnet() but accepts IPv4 only */
|
|
612
|
function is_subnetv4($subnet) {
|
|
613
|
return (is_subnet($subnet) == 4);
|
|
614
|
}
|
|
615
|
|
|
616
|
/* same as is_subnet() but accepts IPv6 only */
|
|
617
|
function is_subnetv6($subnet) {
|
|
618
|
return (is_subnet($subnet) == 6);
|
|
619
|
}
|
|
620
|
|
|
621
|
/* returns true if $subnet is a valid subnet in CIDR format or an alias thereof */
|
|
622
|
function is_subnetoralias($subnet) {
|
|
623
|
global $aliastable;
|
|
624
|
|
|
625
|
if (isset($aliastable[$subnet]) && is_subnet($aliastable[$subnet]))
|
|
626
|
return true;
|
|
627
|
else
|
|
628
|
return is_subnet($subnet);
|
|
629
|
}
|
|
630
|
|
|
631
|
/* returns true if $hostname is a valid hostname */
|
|
632
|
function is_hostname($hostname) {
|
|
633
|
if (!is_string($hostname))
|
|
634
|
return false;
|
|
635
|
|
|
636
|
if (preg_match('/^(?:(?:[a-z0-9_]|[a-z0-9_][a-z0-9_\-]*[a-z0-9_])\.)*(?:[a-z0-9_]|[a-z0-9_][a-z0-9_\-]*[a-z0-9_])$/i', $hostname))
|
|
637
|
return true;
|
|
638
|
else
|
|
639
|
return false;
|
|
640
|
}
|
|
641
|
|
|
642
|
/* returns true if $domain is a valid domain name */
|
|
643
|
function is_domain($domain) {
|
|
644
|
if (!is_string($domain))
|
|
645
|
return false;
|
|
646
|
|
|
647
|
if (preg_match('/^(?:(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])\.)*(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])$/i', $domain))
|
|
648
|
return true;
|
|
649
|
else
|
|
650
|
return false;
|
|
651
|
}
|
|
652
|
|
|
653
|
/* returns true if $macaddr is a valid MAC address */
|
|
654
|
function is_macaddr($macaddr, $partial=false) {
|
|
655
|
$repeat = ($partial) ? '1,5' : '5';
|
|
656
|
return preg_match('/^[0-9A-F]{2}(?:[:][0-9A-F]{2}){'.$repeat.'}$/i', $macaddr) == 1 ? true : false;
|
|
657
|
}
|
|
658
|
|
|
659
|
/* returns true if $name is a valid name for an alias
|
|
660
|
returns NULL if a reserved word is used
|
|
661
|
returns FALSE for bad chars in the name - this allows calling code to determine what the problem was.
|
|
662
|
aliases cannot be:
|
|
663
|
bad chars: anything except a-z 0-9 and underscore
|
|
664
|
bad names: empty string, pure numeric, pure underscore
|
|
665
|
reserved words: pre-defined service/protocol/port names which should not be ambiguous, and the words "port" and "pass" */
|
|
666
|
|
|
667
|
function is_validaliasname($name) {
|
|
668
|
/* Array of reserved words */
|
|
669
|
$reserved = array("port", "pass");
|
|
670
|
|
|
671
|
if (!is_string($name) || strlen($name) >= 32 || preg_match('/(^_*$|^\d*$|[^a-z0-9_])/i', $name))
|
|
672
|
return false;
|
|
673
|
if (in_array($name, $reserved, true) || getservbyname($name, "tcp") || getservbyname($name, "udp") || getprotobyname($name))
|
|
674
|
return; /* return NULL */
|
|
675
|
return true;
|
|
676
|
}
|
|
677
|
|
|
678
|
/* returns true if $port is a valid TCP/UDP port */
|
|
679
|
function is_port($port) {
|
|
680
|
if (getservbyname($port, "tcp") || getservbyname($port, "udp"))
|
|
681
|
return true;
|
|
682
|
if (!ctype_digit($port))
|
|
683
|
return false;
|
|
684
|
else if ((intval($port) < 1) || (intval($port) > 65535))
|
|
685
|
return false;
|
|
686
|
return true;
|
|
687
|
}
|
|
688
|
|
|
689
|
/* returns true if $portrange is a valid TCP/UDP portrange ("<port>:<port>") */
|
|
690
|
function is_portrange($portrange) {
|
|
691
|
$ports = explode(":", $portrange);
|
|
692
|
|
|
693
|
return (count($ports) == 2 && is_port($ports[0]) && is_port($ports[1]));
|
|
694
|
}
|
|
695
|
|
|
696
|
/* returns true if $port is a valid port number or an alias thereof */
|
|
697
|
function is_portoralias($port) {
|
|
698
|
global $config;
|
|
699
|
|
|
700
|
if (is_alias($port)) {
|
|
701
|
if (is_array($config['aliases']['alias'])) {
|
|
702
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
703
|
if ($alias['name'] == $port && preg_match("/port/i", $alias['type']))
|
|
704
|
return true;
|
|
705
|
}
|
|
706
|
}
|
|
707
|
return false;
|
|
708
|
} else
|
|
709
|
return is_port($port);
|
|
710
|
}
|
|
711
|
|
|
712
|
/* create ranges of sequential port numbers (200:215) and remove duplicates */
|
|
713
|
function group_ports($ports) {
|
|
714
|
if (!is_array($ports) || empty($ports))
|
|
715
|
return;
|
|
716
|
|
|
717
|
$uniq = array();
|
|
718
|
foreach ($ports as $port) {
|
|
719
|
if (is_portrange($port)) {
|
|
720
|
list($begin, $end) = explode(":", $port);
|
|
721
|
if ($begin > $end) {
|
|
722
|
$aux = $begin;
|
|
723
|
$begin = $end;
|
|
724
|
$end = $aux;
|
|
725
|
}
|
|
726
|
for ($i = $begin; $i <= $end; $i++)
|
|
727
|
if (!in_array($i, $uniq))
|
|
728
|
$uniq[] = $i;
|
|
729
|
} else if (is_port($port)) {
|
|
730
|
if (!in_array($port, $uniq))
|
|
731
|
$uniq[] = $port;
|
|
732
|
}
|
|
733
|
}
|
|
734
|
sort($uniq, SORT_NUMERIC);
|
|
735
|
|
|
736
|
$result = array();
|
|
737
|
foreach ($uniq as $idx => $port) {
|
|
738
|
if ($idx == 0) {
|
|
739
|
$result[] = $port;
|
|
740
|
continue;
|
|
741
|
}
|
|
742
|
|
|
743
|
$last = end($result);
|
|
744
|
if (is_portrange($last))
|
|
745
|
list($begin, $end) = explode(":", $last);
|
|
746
|
else
|
|
747
|
$begin = $end = $last;
|
|
748
|
|
|
749
|
if ($port == ($end+1)) {
|
|
750
|
$end++;
|
|
751
|
$result[count($result)-1] = "{$begin}:{$end}";
|
|
752
|
} else {
|
|
753
|
$result[] = $port;
|
|
754
|
}
|
|
755
|
}
|
|
756
|
|
|
757
|
return $result;
|
|
758
|
}
|
|
759
|
|
|
760
|
/* returns true if $val is a valid shaper bandwidth value */
|
|
761
|
function is_valid_shaperbw($val) {
|
|
762
|
return (preg_match("/^(\d+(?:\.\d+)?)([MKG]?b|%)$/", $val));
|
|
763
|
}
|
|
764
|
|
|
765
|
/* returns true if $test is in the range between $start and $end */
|
|
766
|
function is_inrange_v4($test, $start, $end) {
|
|
767
|
if ( (ip2ulong($test) <= ip2ulong($end)) && (ip2ulong($test) >= ip2ulong($start)) )
|
|
768
|
return true;
|
|
769
|
else
|
|
770
|
return false;
|
|
771
|
}
|
|
772
|
|
|
773
|
/* returns true if $test is in the range between $start and $end */
|
|
774
|
function is_inrange_v6($test, $start, $end) {
|
|
775
|
if ( (inet_pton($test) <= inet_pton($end)) && (inet_pton($test) >= inet_pton($start)) )
|
|
776
|
return true;
|
|
777
|
else
|
|
778
|
return false;
|
|
779
|
}
|
|
780
|
|
|
781
|
/* returns true if $test is in the range between $start and $end */
|
|
782
|
function is_inrange($test, $start, $end) {
|
|
783
|
return is_ipaddrv6($test) ? is_inrange_v6($test, $start, $end) : is_inrange_v4($test, $start, $end);
|
|
784
|
}
|
|
785
|
|
|
786
|
/* XXX: return the configured carp interface list */
|
|
787
|
function get_configured_carp_interface_list($carpinterface = "", $family = "inet") {
|
|
788
|
global $config;
|
|
789
|
|
|
790
|
$iflist = array();
|
|
791
|
|
|
792
|
if(is_array($config['virtualip']['vip'])) {
|
|
793
|
$viparr = &$config['virtualip']['vip'];
|
|
794
|
foreach ($viparr as $vip) {
|
|
795
|
switch ($vip['mode']) {
|
|
796
|
case "carp":
|
|
797
|
if (!empty($carpinterface)) {
|
|
798
|
if ($carpinterface == "{$vip['interface']}_vip{$vip['vhid']}") {
|
|
799
|
if ($family == "inet" && is_ipaddrv4($vip['subnet']))
|
|
800
|
return $vip['subnet'];
|
|
801
|
else if ($family == "inet6" && is_ipaddrv6($vip['subnet']))
|
|
802
|
return $vip['subnet'];
|
|
803
|
}
|
|
804
|
} else {
|
|
805
|
$iflist["{$vip['interface']}_vip{$vip['vhid']}"] = $vip['subnet'];
|
|
806
|
}
|
|
807
|
break;
|
|
808
|
}
|
|
809
|
}
|
|
810
|
}
|
|
811
|
|
|
812
|
return $iflist;
|
|
813
|
}
|
|
814
|
|
|
815
|
/* return the configured IP aliases list */
|
|
816
|
function get_configured_ip_aliases_list($returnfullentry = false) {
|
|
817
|
global $config;
|
|
818
|
|
|
819
|
$alias_list=array();
|
|
820
|
|
|
821
|
if(is_array($config['virtualip']['vip'])) {
|
|
822
|
$viparr = &$config['virtualip']['vip'];
|
|
823
|
foreach ($viparr as $vip) {
|
|
824
|
if ($vip['mode']=="ipalias") {
|
|
825
|
if ($returnfullentry)
|
|
826
|
$alias_list[$vip['subnet']] = $vip;
|
|
827
|
else
|
|
828
|
$alias_list[$vip['subnet']] = $vip['interface'];
|
|
829
|
}
|
|
830
|
}
|
|
831
|
}
|
|
832
|
|
|
833
|
return $alias_list;
|
|
834
|
}
|
|
835
|
|
|
836
|
/* return all configured aliases list (IP, carp, proxyarp and other) */
|
|
837
|
function get_configured_vips_list() {
|
|
838
|
global $config;
|
|
839
|
|
|
840
|
$alias_list=array();
|
|
841
|
|
|
842
|
if(is_array($config['virtualip']['vip'])) {
|
|
843
|
$viparr = &$config['virtualip']['vip'];
|
|
844
|
foreach ($viparr as $vip) {
|
|
845
|
if ($vip['mode'] == "carp")
|
|
846
|
$alias_list[] = array("ipaddr" => $vip['subnet'], "if" => "{$vip['interface']}_vip{$vip['vhid']}");
|
|
847
|
else
|
|
848
|
$alias_list[] = array("ipaddr" => $vip['subnet'], "if" => $vip['interface']);
|
|
849
|
}
|
|
850
|
}
|
|
851
|
|
|
852
|
return $alias_list;
|
|
853
|
}
|
|
854
|
|
|
855
|
/* comparison function for sorting by the order in which interfaces are normally created */
|
|
856
|
function compare_interface_friendly_names($a, $b) {
|
|
857
|
if ($a == $b)
|
|
858
|
return 0;
|
|
859
|
else if ($a == 'wan')
|
|
860
|
return -1;
|
|
861
|
else if ($b == 'wan')
|
|
862
|
return 1;
|
|
863
|
else if ($a == 'lan')
|
|
864
|
return -1;
|
|
865
|
else if ($b == 'lan')
|
|
866
|
return 1;
|
|
867
|
|
|
868
|
return strnatcmp($a, $b);
|
|
869
|
}
|
|
870
|
|
|
871
|
/* return the configured interfaces list. */
|
|
872
|
function get_configured_interface_list($only_opt = false, $withdisabled = false) {
|
|
873
|
global $config;
|
|
874
|
|
|
875
|
$iflist = array();
|
|
876
|
|
|
877
|
/* if list */
|
|
878
|
foreach($config['interfaces'] as $if => $ifdetail) {
|
|
879
|
if ($only_opt && ($if == "wan" || $if == "lan"))
|
|
880
|
continue;
|
|
881
|
if (isset($ifdetail['enable']) || $withdisabled == true)
|
|
882
|
$iflist[$if] = $if;
|
|
883
|
}
|
|
884
|
|
|
885
|
return $iflist;
|
|
886
|
}
|
|
887
|
|
|
888
|
/* return the configured interfaces list. */
|
|
889
|
function get_configured_interface_list_by_realif($only_opt = false, $withdisabled = false) {
|
|
890
|
global $config;
|
|
891
|
|
|
892
|
$iflist = array();
|
|
893
|
|
|
894
|
/* if list */
|
|
895
|
foreach($config['interfaces'] as $if => $ifdetail) {
|
|
896
|
if ($only_opt && ($if == "wan" || $if == "lan"))
|
|
897
|
continue;
|
|
898
|
if (isset($ifdetail['enable']) || $withdisabled == true) {
|
|
899
|
$tmpif = get_real_interface($if);
|
|
900
|
if (!empty($tmpif))
|
|
901
|
$iflist[$tmpif] = $if;
|
|
902
|
}
|
|
903
|
}
|
|
904
|
|
|
905
|
return $iflist;
|
|
906
|
}
|
|
907
|
|
|
908
|
/* return the configured interfaces list with their description. */
|
|
909
|
function get_configured_interface_with_descr($only_opt = false, $withdisabled = false) {
|
|
910
|
global $config;
|
|
911
|
|
|
912
|
$iflist = array();
|
|
913
|
|
|
914
|
/* if list */
|
|
915
|
foreach($config['interfaces'] as $if => $ifdetail) {
|
|
916
|
if ($only_opt && ($if == "wan" || $if == "lan"))
|
|
917
|
continue;
|
|
918
|
if (isset($ifdetail['enable']) || $withdisabled == true) {
|
|
919
|
if(empty($ifdetail['descr']))
|
|
920
|
$iflist[$if] = strtoupper($if);
|
|
921
|
else
|
|
922
|
$iflist[$if] = strtoupper($ifdetail['descr']);
|
|
923
|
}
|
|
924
|
}
|
|
925
|
|
|
926
|
return $iflist;
|
|
927
|
}
|
|
928
|
|
|
929
|
/*
|
|
930
|
* get_configured_ip_addresses() - Return a list of all configured
|
|
931
|
* interfaces IP Addresses
|
|
932
|
*
|
|
933
|
*/
|
|
934
|
function get_configured_ip_addresses() {
|
|
935
|
global $config;
|
|
936
|
|
|
937
|
if (!function_exists('get_interface_ip'))
|
|
938
|
require_once("interfaces.inc");
|
|
939
|
$ip_array = array();
|
|
940
|
$interfaces = get_configured_interface_list();
|
|
941
|
if (is_array($interfaces)) {
|
|
942
|
foreach($interfaces as $int) {
|
|
943
|
$ipaddr = get_interface_ip($int);
|
|
944
|
$ip_array[$int] = $ipaddr;
|
|
945
|
}
|
|
946
|
}
|
|
947
|
$interfaces = get_configured_carp_interface_list();
|
|
948
|
if (is_array($interfaces))
|
|
949
|
foreach($interfaces as $int => $ipaddr)
|
|
950
|
$ip_array[$int] = $ipaddr;
|
|
951
|
|
|
952
|
/* pppoe server */
|
|
953
|
if (is_array($config['pppoes']) && is_array($config['pppoes']['pppoe'])) {
|
|
954
|
foreach($config['pppoes']['pppoe'] as $pppoe) {
|
|
955
|
if ($pppoe['mode'] == "server") {
|
|
956
|
if(is_ipaddr($pppoe['localip'])) {
|
|
957
|
$int = "pppoes". $pppoe['pppoeid'];
|
|
958
|
$ip_array[$int] = $pppoe['localip'];
|
|
959
|
}
|
|
960
|
}
|
|
961
|
}
|
|
962
|
}
|
|
963
|
|
|
964
|
return $ip_array;
|
|
965
|
}
|
|
966
|
|
|
967
|
/*
|
|
968
|
* get_configured_ipv6_addresses() - Return a list of all configured
|
|
969
|
* interfaces IPv6 Addresses
|
|
970
|
*
|
|
971
|
*/
|
|
972
|
function get_configured_ipv6_addresses() {
|
|
973
|
require_once("interfaces.inc");
|
|
974
|
$ipv6_array = array();
|
|
975
|
$interfaces = get_configured_interface_list();
|
|
976
|
if(is_array($interfaces)) {
|
|
977
|
foreach($interfaces as $int) {
|
|
978
|
$ipaddrv6 = get_interface_ipv6($int);
|
|
979
|
$ipv6_array[$int] = $ipaddrv6;
|
|
980
|
}
|
|
981
|
}
|
|
982
|
$interfaces = get_configured_carp_interface_list();
|
|
983
|
if(is_array($interfaces))
|
|
984
|
foreach($interfaces as $int => $ipaddrv6)
|
|
985
|
$ipv6_array[$int] = $ipaddrv6;
|
|
986
|
return $ipv6_array;
|
|
987
|
}
|
|
988
|
|
|
989
|
/*
|
|
990
|
* get_interface_list() - Return a list of all physical interfaces
|
|
991
|
* along with MAC and status.
|
|
992
|
*
|
|
993
|
* $mode = "active" - use ifconfig -lu
|
|
994
|
* "media" - use ifconfig to check physical connection
|
|
995
|
* status (much slower)
|
|
996
|
*/
|
|
997
|
function get_interface_list($mode = "active", $keyby = "physical", $vfaces = "") {
|
|
998
|
global $config;
|
|
999
|
$upints = array();
|
|
1000
|
/* get a list of virtual interface types */
|
|
1001
|
if(!$vfaces) {
|
|
1002
|
$vfaces = array (
|
|
1003
|
'bridge',
|
|
1004
|
'ppp',
|
|
1005
|
'pppoe',
|
|
1006
|
'pptp',
|
|
1007
|
'l2tp',
|
|
1008
|
'sl',
|
|
1009
|
'gif',
|
|
1010
|
'gre',
|
|
1011
|
'faith',
|
|
1012
|
'lo',
|
|
1013
|
'ng',
|
|
1014
|
'_vlan',
|
|
1015
|
'_wlan',
|
|
1016
|
'pflog',
|
|
1017
|
'plip',
|
|
1018
|
'pfsync',
|
|
1019
|
'enc',
|
|
1020
|
'tun',
|
|
1021
|
'carp',
|
|
1022
|
'lagg',
|
|
1023
|
'vip',
|
|
1024
|
'ipfw'
|
|
1025
|
);
|
|
1026
|
}
|
|
1027
|
switch($mode) {
|
|
1028
|
case "active":
|
|
1029
|
$upints = pfSense_interface_listget(IFF_UP);
|
|
1030
|
break;
|
|
1031
|
case "media":
|
|
1032
|
$intlist = pfSense_interface_listget();
|
|
1033
|
$ifconfig = "";
|
|
1034
|
exec("/sbin/ifconfig -a", $ifconfig);
|
|
1035
|
$regexp = '/(' . implode('|', $intlist) . '):\s/';
|
|
1036
|
$ifstatus = preg_grep('/status:/', $ifconfig);
|
|
1037
|
foreach($ifstatus as $status) {
|
|
1038
|
$int = array_shift($intlist);
|
|
1039
|
if(stristr($status, "active")) $upints[] = $int;
|
|
1040
|
}
|
|
1041
|
break;
|
|
1042
|
default:
|
|
1043
|
$upints = pfSense_interface_listget();
|
|
1044
|
break;
|
|
1045
|
}
|
|
1046
|
/* build interface list with netstat */
|
|
1047
|
$linkinfo = "";
|
|
1048
|
exec("/usr/bin/netstat -inW -f link | awk '{ print $1, $4 }'", $linkinfo);
|
|
1049
|
array_shift($linkinfo);
|
|
1050
|
/* build ip address list with netstat */
|
|
1051
|
$ipinfo = "";
|
|
1052
|
exec("/usr/bin/netstat -inW -f inet | awk '{ print $1, $4 }'", $ipinfo);
|
|
1053
|
array_shift($ipinfo);
|
|
1054
|
foreach($linkinfo as $link) {
|
|
1055
|
$friendly = "";
|
|
1056
|
$alink = explode(" ", $link);
|
|
1057
|
$ifname = rtrim(trim($alink[0]), '*');
|
|
1058
|
/* trim out all numbers before checking for vfaces */
|
|
1059
|
if (!in_array(array_shift(preg_split('/\d/', $ifname)), $vfaces) &&
|
|
1060
|
!stristr($ifname, "_vlan") && !stristr($ifname, "_wlan")) {
|
|
1061
|
$toput = array(
|
|
1062
|
"mac" => trim($alink[1]),
|
|
1063
|
"up" => in_array($ifname, $upints)
|
|
1064
|
);
|
|
1065
|
foreach($ipinfo as $ip) {
|
|
1066
|
$aip = explode(" ", $ip);
|
|
1067
|
if($aip[0] == $ifname) {
|
|
1068
|
$toput['ipaddr'] = $aip[1];
|
|
1069
|
}
|
|
1070
|
}
|
|
1071
|
if (is_array($config['interfaces'])) {
|
|
1072
|
foreach($config['interfaces'] as $name => $int)
|
|
1073
|
if($int['if'] == $ifname) $friendly = $name;
|
|
1074
|
}
|
|
1075
|
switch($keyby) {
|
|
1076
|
case "physical":
|
|
1077
|
if($friendly != "") {
|
|
1078
|
$toput['friendly'] = $friendly;
|
|
1079
|
}
|
|
1080
|
$dmesg_arr = array();
|
|
1081
|
exec("/sbin/dmesg |grep $ifname | head -n1", $dmesg_arr);
|
|
1082
|
preg_match_all("/<(.*?)>/i", $dmesg_arr[0], $dmesg);
|
|
1083
|
$toput['dmesg'] = $dmesg[1][0];
|
|
1084
|
$iflist[$ifname] = $toput;
|
|
1085
|
break;
|
|
1086
|
case "ppp":
|
|
1087
|
|
|
1088
|
case "friendly":
|
|
1089
|
if($friendly != "") {
|
|
1090
|
$toput['if'] = $ifname;
|
|
1091
|
$iflist[$friendly] = $toput;
|
|
1092
|
}
|
|
1093
|
break;
|
|
1094
|
}
|
|
1095
|
}
|
|
1096
|
}
|
|
1097
|
return $iflist;
|
|
1098
|
}
|
|
1099
|
|
|
1100
|
/****f* util/log_error
|
|
1101
|
* NAME
|
|
1102
|
* log_error - Sends a string to syslog.
|
|
1103
|
* INPUTS
|
|
1104
|
* $error - string containing the syslog message.
|
|
1105
|
* RESULT
|
|
1106
|
* null
|
|
1107
|
******/
|
|
1108
|
function log_error($error) {
|
|
1109
|
global $g;
|
|
1110
|
$page = $_SERVER['SCRIPT_NAME'];
|
|
1111
|
if (empty($page)) {
|
|
1112
|
$files = get_included_files();
|
|
1113
|
$page = basename($files[0]);
|
|
1114
|
}
|
|
1115
|
syslog(LOG_ERR, "$page: $error");
|
|
1116
|
if ($g['debug'])
|
|
1117
|
syslog(LOG_WARNING, var_dump(debug_backtrace()));
|
|
1118
|
return;
|
|
1119
|
}
|
|
1120
|
|
|
1121
|
/****f* util/log_auth
|
|
1122
|
* NAME
|
|
1123
|
* log_auth - Sends a string to syslog as LOG_AUTH facility
|
|
1124
|
* INPUTS
|
|
1125
|
* $error - string containing the syslog message.
|
|
1126
|
* RESULT
|
|
1127
|
* null
|
|
1128
|
******/
|
|
1129
|
function log_auth($error) {
|
|
1130
|
global $g;
|
|
1131
|
$page = $_SERVER['SCRIPT_NAME'];
|
|
1132
|
syslog(LOG_AUTH, "$page: $error");
|
|
1133
|
if ($g['debug'])
|
|
1134
|
syslog(LOG_WARNING, var_dump(debug_backtrace()));
|
|
1135
|
return;
|
|
1136
|
}
|
|
1137
|
|
|
1138
|
/****f* util/exec_command
|
|
1139
|
* NAME
|
|
1140
|
* exec_command - Execute a command and return a string of the result.
|
|
1141
|
* INPUTS
|
|
1142
|
* $command - String of the command to be executed.
|
|
1143
|
* RESULT
|
|
1144
|
* String containing the command's result.
|
|
1145
|
* NOTES
|
|
1146
|
* This function returns the command's stdout and stderr.
|
|
1147
|
******/
|
|
1148
|
function exec_command($command) {
|
|
1149
|
$output = array();
|
|
1150
|
exec($command . ' 2>&1', $output);
|
|
1151
|
return(implode("\n", $output));
|
|
1152
|
}
|
|
1153
|
|
|
1154
|
/* wrapper for exec() */
|
|
1155
|
function mwexec($command, $mute = false, $clearsigmask = false) {
|
|
1156
|
global $g;
|
|
1157
|
|
|
1158
|
if ($g['debug']) {
|
|
1159
|
if (!$_SERVER['REMOTE_ADDR'])
|
|
1160
|
echo "mwexec(): $command\n";
|
|
1161
|
}
|
|
1162
|
$oarr = array();
|
|
1163
|
$retval = 0;
|
|
1164
|
|
|
1165
|
if ($clearsigmask) {
|
|
1166
|
$oldset = array();
|
|
1167
|
pcntl_sigprocmask(SIG_SETMASK, array(), $oldset);
|
|
1168
|
}
|
|
1169
|
$garbage = exec("$command 2>&1", $oarr, $retval);
|
|
1170
|
if ($clearsigmask) {
|
|
1171
|
pcntl_sigprocmask(SIG_SETMASK, $oldset);
|
|
1172
|
}
|
|
1173
|
|
|
1174
|
if(isset($config['system']['developerspew']))
|
|
1175
|
$mute = false;
|
|
1176
|
if(($retval <> 0) && ($mute === false)) {
|
|
1177
|
$output = implode(" ", $oarr);
|
|
1178
|
log_error(sprintf(gettext("The command '%1\$s' returned exit code '%2\$d', the output was '%3\$s' "), $command, $retval, $output));
|
|
1179
|
unset($output);
|
|
1180
|
}
|
|
1181
|
unset($oarr);
|
|
1182
|
return $retval;
|
|
1183
|
}
|
|
1184
|
|
|
1185
|
/* wrapper for exec() in background */
|
|
1186
|
function mwexec_bg($command, $clearsigmask = false) {
|
|
1187
|
global $g;
|
|
1188
|
|
|
1189
|
if ($g['debug']) {
|
|
1190
|
if (!$_SERVER['REMOTE_ADDR'])
|
|
1191
|
echo "mwexec(): $command\n";
|
|
1192
|
}
|
|
1193
|
|
|
1194
|
if ($clearsigmask) {
|
|
1195
|
$oldset = array();
|
|
1196
|
pcntl_sigprocmask(SIG_SETMASK, array(), $oldset);
|
|
1197
|
}
|
|
1198
|
$_gb = exec("/usr/bin/nohup $command > /dev/null 2>&1 &");
|
|
1199
|
if ($clearsigmask) {
|
|
1200
|
pcntl_sigprocmask(SIG_SETMASK, $oldset);
|
|
1201
|
}
|
|
1202
|
unset($_gb);
|
|
1203
|
}
|
|
1204
|
|
|
1205
|
/* unlink a file, if it exists */
|
|
1206
|
function unlink_if_exists($fn) {
|
|
1207
|
$to_do = glob($fn);
|
|
1208
|
if(is_array($to_do)) {
|
|
1209
|
foreach($to_do as $filename)
|
|
1210
|
@unlink($filename);
|
|
1211
|
} else {
|
|
1212
|
@unlink($fn);
|
|
1213
|
}
|
|
1214
|
}
|
|
1215
|
/* make a global alias table (for faster lookups) */
|
|
1216
|
function alias_make_table($config) {
|
|
1217
|
global $aliastable;
|
|
1218
|
|
|
1219
|
$aliastable = array();
|
|
1220
|
|
|
1221
|
if (is_array($config['aliases']['alias'])) {
|
|
1222
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
1223
|
if ($alias['name'])
|
|
1224
|
$aliastable[$alias['name']] = $alias['address'];
|
|
1225
|
}
|
|
1226
|
}
|
|
1227
|
}
|
|
1228
|
|
|
1229
|
/* check if an alias exists */
|
|
1230
|
function is_alias($name) {
|
|
1231
|
global $aliastable;
|
|
1232
|
|
|
1233
|
return isset($aliastable[$name]);
|
|
1234
|
}
|
|
1235
|
|
|
1236
|
function alias_get_type($name) {
|
|
1237
|
global $config;
|
|
1238
|
|
|
1239
|
if (is_array($config['aliases']['alias'])) {
|
|
1240
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
1241
|
if ($name == $alias['name'])
|
|
1242
|
return $alias['type'];
|
|
1243
|
}
|
|
1244
|
}
|
|
1245
|
|
|
1246
|
return "";
|
|
1247
|
}
|
|
1248
|
|
|
1249
|
/* expand a host or network alias, if necessary */
|
|
1250
|
function alias_expand($name) {
|
|
1251
|
global $aliastable;
|
|
1252
|
|
|
1253
|
if (isset($aliastable[$name]))
|
|
1254
|
return "\${$name}";
|
|
1255
|
else if (is_ipaddr($name) || is_subnet($name) || is_port($name) || is_portrange($name))
|
|
1256
|
return "{$name}";
|
|
1257
|
else
|
|
1258
|
return null;
|
|
1259
|
}
|
|
1260
|
|
|
1261
|
function alias_expand_urltable($name) {
|
|
1262
|
global $config;
|
|
1263
|
$urltable_prefix = "/var/db/aliastables/";
|
|
1264
|
$urltable_filename = $urltable_prefix . $name . ".txt";
|
|
1265
|
|
|
1266
|
if (is_array($config['aliases']['alias'])) {
|
|
1267
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
1268
|
if (preg_match("/urltable/i", $alias['type']) && ($alias['name'] == $name)) {
|
|
1269
|
if (is_URL($alias["url"]) && file_exists($urltable_filename) && filesize($urltable_filename))
|
|
1270
|
return $urltable_filename;
|
|
1271
|
else if (process_alias_urltable($name, $alias["url"], 0, true))
|
|
1272
|
return $urltable_filename;
|
|
1273
|
}
|
|
1274
|
}
|
|
1275
|
}
|
|
1276
|
return null;
|
|
1277
|
}
|
|
1278
|
|
|
1279
|
function subnet_size($subnet) {
|
|
1280
|
if (is_subnetv4($subnet)) {
|
|
1281
|
list ($ip, $bits) = explode("/", $subnet);
|
|
1282
|
return round(exp(log(2) * (32 - $bits)));
|
|
1283
|
}
|
|
1284
|
else if (is_subnetv6($subnet)) {
|
|
1285
|
list ($ip, $bits) = explode("/", $subnet);
|
|
1286
|
return round(exp(log(2) * (128 - $bits)));
|
|
1287
|
}
|
|
1288
|
else {
|
|
1289
|
return 0;
|
|
1290
|
}
|
|
1291
|
}
|
|
1292
|
|
|
1293
|
function subnet_expand($subnet) {
|
|
1294
|
if (is_subnetv4($subnet)) {
|
|
1295
|
return subnetv4_expand($subnet);
|
|
1296
|
} else if (is_subnetv6($subnet)) {
|
|
1297
|
return subnetv6_expand($subnet);
|
|
1298
|
} else {
|
|
1299
|
return $subnet;
|
|
1300
|
}
|
|
1301
|
}
|
|
1302
|
|
|
1303
|
function subnetv4_expand($subnet) {
|
|
1304
|
$result = array();
|
|
1305
|
list ($ip, $bits) = explode("/", $subnet);
|
|
1306
|
$net = ip2long($ip);
|
|
1307
|
$mask = (0xffffffff << (32 - $bits));
|
|
1308
|
$net &= $mask;
|
|
1309
|
$size = round(exp(log(2) * (32 - $bits)));
|
|
1310
|
for ($i = 0; $i < $size; $i += 1) {
|
|
1311
|
$result[] = long2ip($net | $i);
|
|
1312
|
}
|
|
1313
|
return $result;
|
|
1314
|
}
|
|
1315
|
|
|
1316
|
/* find out whether two subnets overlap */
|
|
1317
|
function check_subnets_overlap($subnet1, $bits1, $subnet2, $bits2) {
|
|
1318
|
|
|
1319
|
if (!is_numeric($bits1))
|
|
1320
|
$bits1 = 32;
|
|
1321
|
if (!is_numeric($bits2))
|
|
1322
|
$bits2 = 32;
|
|
1323
|
|
|
1324
|
if ($bits1 < $bits2)
|
|
1325
|
$relbits = $bits1;
|
|
1326
|
else
|
|
1327
|
$relbits = $bits2;
|
|
1328
|
|
|
1329
|
$sn1 = gen_subnet_mask_long($relbits) & ip2long($subnet1);
|
|
1330
|
$sn2 = gen_subnet_mask_long($relbits) & ip2long($subnet2);
|
|
1331
|
|
|
1332
|
return ($sn1 == $sn2);
|
|
1333
|
}
|
|
1334
|
|
|
1335
|
/* find out whether two IPv6 subnets overlap */
|
|
1336
|
function check_subnetsv6_overlap($subnet1, $bits1, $subnet2, $bits2) {
|
|
1337
|
$sub1_min = gen_subnetv6($subnet1, $bits1);
|
|
1338
|
$sub1_max = gen_subnetv6_max($subnet1, $bits1);
|
|
1339
|
$sub2_min = gen_subnetv6($subnet2, $bits2);
|
|
1340
|
$sub2_max = gen_subnetv6_max($subnet2, $bits2);
|
|
1341
|
|
|
1342
|
return (is_inrange_v6($sub1_min, $sub2_min, $sub2_max) || is_inrange_v6($sub1_max, $sub2_min, $sub2_max) || is_inrange_v6($sub2_min, $sub1_min, $sub1_max));
|
|
1343
|
}
|
|
1344
|
|
|
1345
|
/* compare two IP addresses */
|
|
1346
|
function ipcmp($a, $b) {
|
|
1347
|
if (ip_less_than($a, $b))
|
|
1348
|
return -1;
|
|
1349
|
else if (ip_greater_than($a, $b))
|
|
1350
|
return 1;
|
|
1351
|
else
|
|
1352
|
return 0;
|
|
1353
|
}
|
|
1354
|
|
|
1355
|
/* return true if $addr is in $subnet, false if not */
|
|
1356
|
function ip_in_subnet($addr,$subnet) {
|
|
1357
|
if(is_ipaddrv6($addr)) {
|
|
1358
|
return (Net_IPv6::isInNetmask($addr, $subnet));
|
|
1359
|
} else { /* XXX: Maybe check for IPv4 */
|
|
1360
|
list($ip, $mask) = explode('/', $subnet);
|
|
1361
|
$mask = (0xffffffff << (32 - $mask)) & 0xffffffff;
|
|
1362
|
return ((ip2long($addr) & $mask) == (ip2long($ip) & $mask));
|
|
1363
|
}
|
|
1364
|
}
|
|
1365
|
|
|
1366
|
/* verify (and remove) the digital signature on a file - returns 0 if OK */
|
|
1367
|
function verify_digital_signature($fname) {
|
|
1368
|
global $g;
|
|
1369
|
|
|
1370
|
if(!file_exists("/usr/local/sbin/gzsig"))
|
|
1371
|
return 4;
|
|
1372
|
|
|
1373
|
return mwexec("/usr/local/sbin/gzsig verify {$g['etc_path']}/pubkey.pem < " . escapeshellarg($fname));
|
|
1374
|
}
|
|
1375
|
|
|
1376
|
/* obtain MAC address given an IP address by looking at the ARP table */
|
|
1377
|
function arp_get_mac_by_ip($ip) {
|
|
1378
|
mwexec("/sbin/ping -c 1 -t 1 " . escapeshellarg($ip), true);
|
|
1379
|
$arpoutput = "";
|
|
1380
|
exec("/usr/sbin/arp -n " . escapeshellarg($ip), $arpoutput);
|
|
1381
|
|
|
1382
|
if ($arpoutput[0]) {
|
|
1383
|
$arpi = explode(" ", $arpoutput[0]);
|
|
1384
|
$macaddr = $arpi[3];
|
|
1385
|
if (is_macaddr($macaddr))
|
|
1386
|
return $macaddr;
|
|
1387
|
else
|
|
1388
|
return false;
|
|
1389
|
}
|
|
1390
|
|
|
1391
|
return false;
|
|
1392
|
}
|
|
1393
|
|
|
1394
|
/* return a fieldname that is safe for xml usage */
|
|
1395
|
function xml_safe_fieldname($fieldname) {
|
|
1396
|
$replace = array('/', '-', ' ', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')',
|
|
1397
|
'_', '+', '=', '{', '}', '[', ']', '|', '/', '<', '>', '?',
|
|
1398
|
':', ',', '.', '\'', '\\'
|
|
1399
|
);
|
|
1400
|
return strtolower(str_replace($replace, "", $fieldname));
|
|
1401
|
}
|
|
1402
|
|
|
1403
|
function mac_format($clientmac) {
|
|
1404
|
global $config, $cpzone;
|
|
1405
|
|
|
1406
|
$mac = explode(":", $clientmac);
|
|
1407
|
$mac_format = $cpzone ? $config['captiveportal'][$cpzone]['radmac_format'] : false;
|
|
1408
|
|
|
1409
|
switch($mac_format) {
|
|
1410
|
case 'singledash':
|
|
1411
|
return "$mac[0]$mac[1]$mac[2]-$mac[3]$mac[4]$mac[5]";
|
|
1412
|
|
|
1413
|
case 'ietf':
|
|
1414
|
return "$mac[0]-$mac[1]-$mac[2]-$mac[3]-$mac[4]-$mac[5]";
|
|
1415
|
|
|
1416
|
case 'cisco':
|
|
1417
|
return "$mac[0]$mac[1].$mac[2]$mac[3].$mac[4]$mac[5]";
|
|
1418
|
|
|
1419
|
case 'unformatted':
|
|
1420
|
return "$mac[0]$mac[1]$mac[2]$mac[3]$mac[4]$mac[5]";
|
|
1421
|
|
|
1422
|
default:
|
|
1423
|
return $clientmac;
|
|
1424
|
}
|
|
1425
|
}
|
|
1426
|
|
|
1427
|
function resolve_retry($hostname, $retries = 5) {
|
|
1428
|
|
|
1429
|
if (is_ipaddr($hostname))
|
|
1430
|
return $hostname;
|
|
1431
|
|
|
1432
|
for ($i = 0; $i < $retries; $i++) {
|
|
1433
|
// FIXME: gethostbyname does not work for AAAA hostnames, boo, hiss
|
|
1434
|
$ip = gethostbyname($hostname);
|
|
1435
|
|
|
1436
|
if ($ip && $ip != $hostname) {
|
|
1437
|
/* success */
|
|
1438
|
return $ip;
|
|
1439
|
}
|
|
1440
|
|
|
1441
|
sleep(1);
|
|
1442
|
}
|
|
1443
|
|
|
1444
|
return false;
|
|
1445
|
}
|
|
1446
|
|
|
1447
|
function format_bytes($bytes) {
|
|
1448
|
if ($bytes >= 1073741824) {
|
|
1449
|
return sprintf("%.2f GB", $bytes/1073741824);
|
|
1450
|
} else if ($bytes >= 1048576) {
|
|
1451
|
return sprintf("%.2f MB", $bytes/1048576);
|
|
1452
|
} else if ($bytes >= 1024) {
|
|
1453
|
return sprintf("%.0f KB", $bytes/1024);
|
|
1454
|
} else {
|
|
1455
|
return sprintf("%d bytes", $bytes);
|
|
1456
|
}
|
|
1457
|
}
|
|
1458
|
|
|
1459
|
function update_filter_reload_status($text) {
|
|
1460
|
global $g;
|
|
1461
|
|
|
1462
|
file_put_contents("{$g['varrun_path']}/filter_reload_status", $text);
|
|
1463
|
}
|
|
1464
|
|
|
1465
|
/****** util/return_dir_as_array
|
|
1466
|
* NAME
|
|
1467
|
* return_dir_as_array - Return a directory's contents as an array.
|
|
1468
|
* INPUTS
|
|
1469
|
* $dir - string containing the path to the desired directory.
|
|
1470
|
* $filter_regex - string containing a regular expression to filter file names. Default empty.
|
|
1471
|
* RESULT
|
|
1472
|
* $dir_array - array containing the directory's contents. This array will be empty if the path specified is invalid.
|
|
1473
|
******/
|
|
1474
|
function return_dir_as_array($dir, $filter_regex = '') {
|
|
1475
|
$dir_array = array();
|
|
1476
|
if (is_dir($dir)) {
|
|
1477
|
if ($dh = opendir($dir)) {
|
|
1478
|
while (($file = readdir($dh)) !== false) {
|
|
1479
|
if (($file == ".") || ($file == ".."))
|
|
1480
|
continue;
|
|
1481
|
|
|
1482
|
if (empty($filter_regex) || preg_match($filter_regex, $file))
|
|
1483
|
array_push($dir_array, $file);
|
|
1484
|
}
|
|
1485
|
closedir($dh);
|
|
1486
|
}
|
|
1487
|
}
|
|
1488
|
return $dir_array;
|
|
1489
|
}
|
|
1490
|
|
|
1491
|
function run_plugins($directory) {
|
|
1492
|
global $config, $g;
|
|
1493
|
|
|
1494
|
/* process packager manager custom rules */
|
|
1495
|
$files = return_dir_as_array($directory);
|
|
1496
|
if (is_array($files)) {
|
|
1497
|
foreach ($files as $file) {
|
|
1498
|
if (stristr($file, ".sh") == true)
|
|
1499
|
mwexec($directory . $file . " start");
|
|
1500
|
else if (!is_dir($directory . "/" . $file) && stristr($file,".inc"))
|
|
1501
|
require_once($directory . "/" . $file);
|
|
1502
|
}
|
|
1503
|
}
|
|
1504
|
}
|
|
1505
|
|
|
1506
|
/*
|
|
1507
|
* safe_mkdir($path, $mode = 0755)
|
|
1508
|
* create directory if it doesn't already exist and isn't a file!
|
|
1509
|
*/
|
|
1510
|
function safe_mkdir($path, $mode=0755) {
|
|
1511
|
global $g;
|
|
1512
|
|
|
1513
|
if (!is_file($path) && !is_dir($path)) {
|
|
1514
|
return @mkdir($path, $mode, true);
|
|
1515
|
} else {
|
|
1516
|
return false;
|
|
1517
|
}
|
|
1518
|
}
|
|
1519
|
|
|
1520
|
/*
|
|
1521
|
* make_dirs($path, $mode = 0755)
|
|
1522
|
* create directory tree recursively (mkdir -p)
|
|
1523
|
*/
|
|
1524
|
function make_dirs($path, $mode = 0755) {
|
|
1525
|
$base = '';
|
|
1526
|
foreach (explode('/', $path) as $dir) {
|
|
1527
|
$base .= "/$dir";
|
|
1528
|
if (!is_dir($base)) {
|
|
1529
|
if (!@mkdir($base, $mode))
|
|
1530
|
return false;
|
|
1531
|
}
|
|
1532
|
}
|
|
1533
|
return true;
|
|
1534
|
}
|
|
1535
|
|
|
1536
|
/*
|
|
1537
|
* get_sysctl($names)
|
|
1538
|
* Get values of sysctl OID's listed in $names (accepts an array or a single
|
|
1539
|
* name) and return an array of key/value pairs set for those that exist
|
|
1540
|
*/
|
|
1541
|
function get_sysctl($names) {
|
|
1542
|
if (empty($names))
|
|
1543
|
return array();
|
|
1544
|
|
|
1545
|
if (is_array($names)) {
|
|
1546
|
$name_list = array();
|
|
1547
|
foreach ($names as $name) {
|
|
1548
|
$name_list[] = escapeshellarg($name);
|
|
1549
|
}
|
|
1550
|
} else
|
|
1551
|
$name_list = array(escapeshellarg($names));
|
|
1552
|
|
|
1553
|
exec("/sbin/sysctl -i " . implode(" ", $name_list), $output);
|
|
1554
|
$values = array();
|
|
1555
|
foreach ($output as $line) {
|
|
1556
|
$line = explode(": ", $line, 2);
|
|
1557
|
if (count($line) == 2)
|
|
1558
|
$values[$line[0]] = $line[1];
|
|
1559
|
}
|
|
1560
|
|
|
1561
|
return $values;
|
|
1562
|
}
|
|
1563
|
|
|
1564
|
/*
|
|
1565
|
* get_single_sysctl($name)
|
|
1566
|
* Wrapper for get_sysctl() to simplify read of a single sysctl value
|
|
1567
|
* return the value for sysctl $name or empty string if it doesn't exist
|
|
1568
|
*/
|
|
1569
|
function get_single_sysctl($name) {
|
|
1570
|
if (empty($name))
|
|
1571
|
return "";
|
|
1572
|
|
|
1573
|
$value = get_sysctl($name);
|
|
1574
|
if (empty($value) || !isset($value[$name]))
|
|
1575
|
return "";
|
|
1576
|
|
|
1577
|
return $value[$name];
|
|
1578
|
}
|
|
1579
|
|
|
1580
|
/*
|
|
1581
|
* set_sysctl($value_list)
|
|
1582
|
* Set sysctl OID's listed as key/value pairs and return
|
|
1583
|
* an array with keys set for those that succeeded
|
|
1584
|
*/
|
|
1585
|
function set_sysctl($values) {
|
|
1586
|
if (empty($values))
|
|
1587
|
return array();
|
|
1588
|
|
|
1589
|
$value_list = array();
|
|
1590
|
foreach ($values as $key => $value) {
|
|
1591
|
$value_list[] = escapeshellarg($key) . "=" . escapeshellarg($value);
|
|
1592
|
}
|
|
1593
|
|
|
1594
|
exec("/sbin/sysctl -i " . implode(" ", $value_list), $output, $success);
|
|
1595
|
|
|
1596
|
/* Retry individually if failed (one or more read-only) */
|
|
1597
|
if ($success <> 0 && count($value_list) > 1) {
|
|
1598
|
foreach ($value_list as $value) {
|
|
1599
|
exec("/sbin/sysctl -i " . $value, $output);
|
|
1600
|
}
|
|
1601
|
}
|
|
1602
|
|
|
1603
|
$ret = array();
|
|
1604
|
foreach ($output as $line) {
|
|
1605
|
$line = explode(": ", $line, 2);
|
|
1606
|
if (count($line) == 2)
|
|
1607
|
$ret[$line[0]] = true;
|
|
1608
|
}
|
|
1609
|
|
|
1610
|
return $ret;
|
|
1611
|
}
|
|
1612
|
|
|
1613
|
/*
|
|
1614
|
* set_single_sysctl($name, $value)
|
|
1615
|
* Wrapper to set_sysctl() to make it simple to set only one sysctl
|
|
1616
|
* returns boolean meaning if it suceed
|
|
1617
|
*/
|
|
1618
|
function set_single_sysctl($name, $value) {
|
|
1619
|
if (empty($name))
|
|
1620
|
return false;
|
|
1621
|
|
|
1622
|
$result = set_sysctl(array($name => $value));
|
|
1623
|
|
|
1624
|
if (!isset($result[$name]) || $result[$name] != $value)
|
|
1625
|
return false;
|
|
1626
|
|
|
1627
|
return true;
|
|
1628
|
}
|
|
1629
|
|
|
1630
|
/*
|
|
1631
|
* get_memory()
|
|
1632
|
* returns an array listing the amount of
|
|
1633
|
* memory installed in the hardware
|
|
1634
|
* [0] net memory available for the OS (FreeBSD) after some is taken by BIOS, video or whatever - e.g. 235 MBytes
|
|
1635
|
* [1] real (actual) memory of the system, should be the size of the RAM card/s - e.g. 256 MBytes
|
|
1636
|
*/
|
|
1637
|
function get_memory() {
|
|
1638
|
$physmem = get_single_sysctl("hw.physmem");
|
|
1639
|
$realmem = get_single_sysctl("hw.realmem");
|
|
1640
|
/* convert from bytes to megabytes */
|
|
1641
|
return array(($physmem/1048576),($realmem/1048576));
|
|
1642
|
}
|
|
1643
|
|
|
1644
|
function mute_kernel_msgs() {
|
|
1645
|
global $config;
|
|
1646
|
// Do not mute serial console. The kernel gets very very cranky
|
|
1647
|
// and will start dishing you cannot control tty errors.
|
|
1648
|
switch (trim(file_get_contents("/etc/platform"))) {
|
|
1649
|
case "nanobsd":
|
|
1650
|
case "jail":
|
|
1651
|
return;
|
|
1652
|
}
|
|
1653
|
if($config['system']['enableserial'])
|
|
1654
|
return;
|
|
1655
|
exec("/sbin/conscontrol mute on");
|
|
1656
|
}
|
|
1657
|
|
|
1658
|
function unmute_kernel_msgs() {
|
|
1659
|
global $config;
|
|
1660
|
// Do not mute serial console. The kernel gets very very cranky
|
|
1661
|
// and will start dishing you cannot control tty errors.
|
|
1662
|
switch (trim(file_get_contents("/etc/platform"))) {
|
|
1663
|
case "nanobsd":
|
|
1664
|
case "jail":
|
|
1665
|
return;
|
|
1666
|
}
|
|
1667
|
exec("/sbin/conscontrol mute off");
|
|
1668
|
}
|
|
1669
|
|
|
1670
|
function start_devd() {
|
|
1671
|
global $g;
|
|
1672
|
|
|
1673
|
if ($g['platform'] == 'jail')
|
|
1674
|
return;
|
|
1675
|
exec("/sbin/devd");
|
|
1676
|
sleep(1);
|
|
1677
|
}
|
|
1678
|
|
|
1679
|
function is_interface_vlan_mismatch() {
|
|
1680
|
global $config, $g;
|
|
1681
|
|
|
1682
|
if (is_array($config['vlans']['vlan'])) {
|
|
1683
|
foreach ($config['vlans']['vlan'] as $vlan) {
|
|
1684
|
if (does_interface_exist($vlan['if']) == false)
|
|
1685
|
return true;
|
|
1686
|
}
|
|
1687
|
}
|
|
1688
|
|
|
1689
|
return false;
|
|
1690
|
}
|
|
1691
|
|
|
1692
|
function is_interface_mismatch() {
|
|
1693
|
global $config, $g;
|
|
1694
|
|
|
1695
|
$do_assign = false;
|
|
1696
|
$i = 0;
|
|
1697
|
$missing_interfaces = array();
|
|
1698
|
if (is_array($config['interfaces'])) {
|
|
1699
|
foreach ($config['interfaces'] as $ifname => $ifcfg) {
|
|
1700
|
if (preg_match("/^enc|^cua|^tun|^tap|^l2tp|^pptp|^ppp|^ovpn|^gif|^gre|^lagg|^bridge|vlan|_wlan/i", $ifcfg['if'])) {
|
|
1701
|
// Do not check these interfaces.
|
|
1702
|
$i++;
|
|
1703
|
continue;
|
|
1704
|
}
|
|
1705
|
else if (does_interface_exist($ifcfg['if']) == false) {
|
|
1706
|
$missing_interfaces[] = $ifcfg['if'];
|
|
1707
|
$do_assign = true;
|
|
1708
|
} else
|
|
1709
|
$i++;
|
|
1710
|
}
|
|
1711
|
}
|
|
1712
|
|
|
1713
|
if ($g['minimum_nic_count'] > $i) {
|
|
1714
|
$do_assign = true;
|
|
1715
|
} else if (file_exists("{$g['tmp_path']}/assign_complete"))
|
|
1716
|
$do_assign = false;
|
|
1717
|
|
|
1718
|
if (!empty($missing_interfaces) && $do_assign)
|
|
1719
|
file_put_contents("{$g['tmp_path']}/missing_interfaces", implode(' ', $missing_interfaces));
|
|
1720
|
else
|
|
1721
|
@unlink("{$g['tmp_path']}/missing_interfaces");
|
|
1722
|
|
|
1723
|
return $do_assign;
|
|
1724
|
}
|
|
1725
|
|
|
1726
|
/* sync carp entries to other firewalls */
|
|
1727
|
function carp_sync_client() {
|
|
1728
|
global $g;
|
|
1729
|
send_event("filter sync");
|
|
1730
|
}
|
|
1731
|
|
|
1732
|
/****f* util/isAjax
|
|
1733
|
* NAME
|
|
1734
|
* isAjax - reports if the request is driven from prototype
|
|
1735
|
* INPUTS
|
|
1736
|
* none
|
|
1737
|
* RESULT
|
|
1738
|
* true/false
|
|
1739
|
******/
|
|
1740
|
function isAjax() {
|
|
1741
|
return isset ($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest';
|
|
1742
|
}
|
|
1743
|
|
|
1744
|
/****f* util/timeout
|
|
1745
|
* NAME
|
|
1746
|
* timeout - console input with timeout countdown. Note: erases 2 char of screen for timer. Leave space.
|
|
1747
|
* INPUTS
|
|
1748
|
* optional, seconds to wait before timeout. Default 9 seconds.
|
|
1749
|
* RESULT
|
|
1750
|
* returns 1 char of user input or null if no input.
|
|
1751
|
******/
|
|
1752
|
function timeout($timer = 9) {
|
|
1753
|
while(!isset($key)) {
|
|
1754
|
if ($timer >= 9) { echo chr(8) . chr(8) . ($timer==9 ? chr(32) : null) . "{$timer}"; }
|
|
1755
|
else { echo chr(8). "{$timer}"; }
|
|
1756
|
`/bin/stty -icanon min 0 time 25`;
|
|
1757
|
$key = trim(`KEY=\`dd count=1 2>/dev/null\`; echo \$KEY`);
|
|
1758
|
`/bin/stty icanon`;
|
|
1759
|
if ($key == '')
|
|
1760
|
unset($key);
|
|
1761
|
$timer--;
|
|
1762
|
if ($timer == 0)
|
|
1763
|
break;
|
|
1764
|
}
|
|
1765
|
return $key;
|
|
1766
|
}
|
|
1767
|
|
|
1768
|
/****f* util/msort
|
|
1769
|
* NAME
|
|
1770
|
* msort - sort array
|
|
1771
|
* INPUTS
|
|
1772
|
* $array to be sorted, field to sort by, direction of sort
|
|
1773
|
* RESULT
|
|
1774
|
* returns newly sorted array
|
|
1775
|
******/
|
|
1776
|
function msort($array, $id="id", $sort_ascending=true) {
|
|
1777
|
$temp_array = array();
|
|
1778
|
while(count($array)>0) {
|
|
1779
|
$lowest_id = 0;
|
|
1780
|
$index=0;
|
|
1781
|
foreach ($array as $item) {
|
|
1782
|
if (isset($item[$id])) {
|
|
1783
|
if ($array[$lowest_id][$id]) {
|
|
1784
|
if (strtolower($item[$id]) < strtolower($array[$lowest_id][$id])) {
|
|
1785
|
$lowest_id = $index;
|
|
1786
|
}
|
|
1787
|
}
|
|
1788
|
}
|
|
1789
|
$index++;
|
|
1790
|
}
|
|
1791
|
$temp_array[] = $array[$lowest_id];
|
|
1792
|
$array = array_merge(array_slice($array, 0,$lowest_id), array_slice($array, $lowest_id+1));
|
|
1793
|
}
|
|
1794
|
if ($sort_ascending) {
|
|
1795
|
return $temp_array;
|
|
1796
|
} else {
|
|
1797
|
return array_reverse($temp_array);
|
|
1798
|
}
|
|
1799
|
}
|
|
1800
|
|
|
1801
|
/****f* util/is_URL
|
|
1802
|
* NAME
|
|
1803
|
* is_URL
|
|
1804
|
* INPUTS
|
|
1805
|
* string to check
|
|
1806
|
* RESULT
|
|
1807
|
* Returns true if item is a URL
|
|
1808
|
******/
|
|
1809
|
function is_URL($url) {
|
|
1810
|
$match = preg_match("'\b(([\w-]+://?|www[.])[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/)))'", $url);
|
|
1811
|
if($match)
|
|
1812
|
return true;
|
|
1813
|
return false;
|
|
1814
|
}
|
|
1815
|
|
|
1816
|
function is_file_included($file = "") {
|
|
1817
|
$files = get_included_files();
|
|
1818
|
if (in_array($file, $files))
|
|
1819
|
return true;
|
|
1820
|
|
|
1821
|
return false;
|
|
1822
|
}
|
|
1823
|
|
|
1824
|
/*
|
|
1825
|
* Replace a value on a deep associative array using regex
|
|
1826
|
*/
|
|
1827
|
function array_replace_values_recursive($data, $match, $replace) {
|
|
1828
|
if (empty($data))
|
|
1829
|
return $data;
|
|
1830
|
|
|
1831
|
if (is_string($data))
|
|
1832
|
$data = preg_replace("/{$match}/", $replace, $data);
|
|
1833
|
else if (is_array($data))
|
|
1834
|
foreach ($data as $k => $v)
|
|
1835
|
$data[$k] = array_replace_values_recursive($v, $match, $replace);
|
|
1836
|
|
|
1837
|
return $data;
|
|
1838
|
}
|
|
1839
|
|
|
1840
|
/*
|
|
1841
|
This function was borrowed from a comment on PHP.net at the following URL:
|
|
1842
|
http://www.php.net/manual/en/function.array-merge-recursive.php#73843
|
|
1843
|
*/
|
|
1844
|
function array_merge_recursive_unique($array0, $array1) {
|
|
1845
|
|
|
1846
|
$arrays = func_get_args();
|
|
1847
|
$remains = $arrays;
|
|
1848
|
|
|
1849
|
// We walk through each arrays and put value in the results (without
|
|
1850
|
// considering previous value).
|
|
1851
|
$result = array();
|
|
1852
|
|
|
1853
|
// loop available array
|
|
1854
|
foreach($arrays as $array) {
|
|
1855
|
|
|
1856
|
// The first remaining array is $array. We are processing it. So
|
|
1857
|
// we remove it from remaing arrays.
|
|
1858
|
array_shift($remains);
|
|
1859
|
|
|
1860
|
// We don't care non array param, like array_merge since PHP 5.0.
|
|
1861
|
if(is_array($array)) {
|
|
1862
|
// Loop values
|
|
1863
|
foreach($array as $key => $value) {
|
|
1864
|
if(is_array($value)) {
|
|
1865
|
// we gather all remaining arrays that have such key available
|
|
1866
|
$args = array();
|
|
1867
|
foreach($remains as $remain) {
|
|
1868
|
if(array_key_exists($key, $remain)) {
|
|
1869
|
array_push($args, $remain[$key]);
|
|
1870
|
}
|
|
1871
|
}
|
|
1872
|
|
|
1873
|
if(count($args) > 2) {
|
|
1874
|
// put the recursion
|
|
1875
|
$result[$key] = call_user_func_array(__FUNCTION__, $args);
|
|
1876
|
} else {
|
|
1877
|
foreach($value as $vkey => $vval) {
|
|
1878
|
$result[$key][$vkey] = $vval;
|
|
1879
|
}
|
|
1880
|
}
|
|
1881
|
} else {
|
|
1882
|
// simply put the value
|
|
1883
|
$result[$key] = $value;
|
|
1884
|
}
|
|
1885
|
}
|
|
1886
|
}
|
|
1887
|
}
|
|
1888
|
return $result;
|
|
1889
|
}
|
|
1890
|
|
|
1891
|
|
|
1892
|
/*
|
|
1893
|
* converts a string like "a,b,c,d"
|
|
1894
|
* into an array like array("a" => "b", "c" => "d")
|
|
1895
|
*/
|
|
1896
|
function explode_assoc($delimiter, $string) {
|
|
1897
|
$array = explode($delimiter, $string);
|
|
1898
|
$result = array();
|
|
1899
|
$numkeys = floor(count($array) / 2);
|
|
1900
|
for ($i = 0; $i < $numkeys; $i += 1) {
|
|
1901
|
$result[$array[$i * 2]] = $array[$i * 2 + 1];
|
|
1902
|
}
|
|
1903
|
return $result;
|
|
1904
|
}
|
|
1905
|
|
|
1906
|
function get_staticroutes($returnsubnetsonly = false, $returnhostnames = false) {
|
|
1907
|
global $config, $aliastable;
|
|
1908
|
|
|
1909
|
/* Bail if there are no routes, but return an array always so callers don't have to check. */
|
|
1910
|
if (!is_array($config['staticroutes']['route']))
|
|
1911
|
return array();
|
|
1912
|
|
|
1913
|
$allstaticroutes = array();
|
|
1914
|
$allsubnets = array();
|
|
1915
|
/* Loop through routes and expand aliases as we find them. */
|
|
1916
|
foreach ($config['staticroutes']['route'] as $route) {
|
|
1917
|
if (is_alias($route['network'])) {
|
|
1918
|
if (!isset($aliastable[$route['network']]))
|
|
1919
|
continue;
|
|
1920
|
|
|
1921
|
$subnets = preg_split('/\s+/', $aliastable[$route['network']]);
|
|
1922
|
foreach ($subnets as $net) {
|
|
1923
|
if (!is_subnet($net)) {
|
|
1924
|
if (is_ipaddrv4($net))
|
|
1925
|
$net .= "/32";
|
|
1926
|
else if (is_ipaddrv6($net))
|
|
1927
|
$net .= "/128";
|
|
1928
|
else if ($returnhostnames === false || !is_fqdn($net))
|
|
1929
|
continue;
|
|
1930
|
}
|
|
1931
|
$temproute = $route;
|
|
1932
|
$temproute['network'] = $net;
|
|
1933
|
$allstaticroutes[] = $temproute;
|
|
1934
|
$allsubnets[] = $net;
|
|
1935
|
}
|
|
1936
|
} elseif (is_subnet($route['network'])) {
|
|
1937
|
$allstaticroutes[] = $route;
|
|
1938
|
$allsubnets[] = $route['network'];
|
|
1939
|
}
|
|
1940
|
}
|
|
1941
|
if ($returnsubnetsonly)
|
|
1942
|
return $allsubnets;
|
|
1943
|
else
|
|
1944
|
return $allstaticroutes;
|
|
1945
|
}
|
|
1946
|
|
|
1947
|
/****f* util/get_alias_list
|
|
1948
|
* NAME
|
|
1949
|
* get_alias_list - Provide a list of aliases.
|
|
1950
|
* INPUTS
|
|
1951
|
* $type - Optional, can be a string or array specifying what type(s) of aliases you need.
|
|
1952
|
* RESULT
|
|
1953
|
* Array containing list of aliases.
|
|
1954
|
* If $type is unspecified, all aliases are returned.
|
|
1955
|
* If $type is a string, all aliases of the type specified in $type are returned.
|
|
1956
|
* If $type is an array, all aliases of any type specified in any element of $type are returned.
|
|
1957
|
*/
|
|
1958
|
function get_alias_list($type = null) {
|
|
1959
|
global $config;
|
|
1960
|
$result = array();
|
|
1961
|
if ($config['aliases']['alias'] <> "" && is_array($config['aliases']['alias'])) {
|
|
1962
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
1963
|
if ($type === null) {
|
|
1964
|
$result[] = $alias['name'];
|
|
1965
|
}
|
|
1966
|
else if (is_array($type)) {
|
|
1967
|
if (in_array($alias['type'], $type)) {
|
|
1968
|
$result[] = $alias['name'];
|
|
1969
|
}
|
|
1970
|
}
|
|
1971
|
else if ($type === $alias['type']) {
|
|
1972
|
$result[] = $alias['name'];
|
|
1973
|
}
|
|
1974
|
}
|
|
1975
|
}
|
|
1976
|
return $result;
|
|
1977
|
}
|
|
1978
|
|
|
1979
|
/* returns an array consisting of every element of $haystack that is not equal to $needle. */
|
|
1980
|
function array_exclude($needle, $haystack) {
|
|
1981
|
$result = array();
|
|
1982
|
if (is_array($haystack)) {
|
|
1983
|
foreach ($haystack as $thing) {
|
|
1984
|
if ($needle !== $thing) {
|
|
1985
|
$result[] = $thing;
|
|
1986
|
}
|
|
1987
|
}
|
|
1988
|
}
|
|
1989
|
return $result;
|
|
1990
|
}
|
|
1991
|
|
|
1992
|
function get_current_theme() {
|
|
1993
|
global $config, $g;
|
|
1994
|
/*
|
|
1995
|
* if user has selected a custom template, use it.
|
|
1996
|
* otherwise default to pfsense tempalte
|
|
1997
|
*/
|
|
1998
|
if (($g["disablethemeselection"] === true) && !empty($g["default_theme"]) && (is_dir($g["www_path"].'/themes/'.$g["default_theme"])))
|
|
1999
|
$theme = $g["default_theme"];
|
|
2000
|
elseif($config['theme'] <> "" && (is_dir($g["www_path"].'/themes/'.$config['theme'])))
|
|
2001
|
$theme = $config['theme'];
|
|
2002
|
else
|
|
2003
|
$theme = "pfsense";
|
|
2004
|
/*
|
|
2005
|
* If this device is an apple ipod/iphone
|
|
2006
|
* switch the theme to one that works with it.
|
|
2007
|
*/
|
|
2008
|
$lowres_ua = array("iPhone", "iPod", "iPad", "Android", "BlackBerry", "Opera Mini", "Opera Mobi", "PlayBook", "IEMobile");
|
|
2009
|
foreach($lowres_ua as $useragent)
|
|
2010
|
if(strstr($_SERVER['HTTP_USER_AGENT'], $useragent))
|
|
2011
|
$theme = (empty($g['theme_lowres']) && (is_dir($g["www_path"].'/themes/'.$g['theme_lowres']))) ? "pfsense" : $g['theme_lowres'];
|
|
2012
|
return $theme;
|
|
2013
|
}
|
|
2014
|
|
|
2015
|
/* Define what is preferred, IPv4 or IPv6 */
|
|
2016
|
function prefer_ipv4_or_ipv6() {
|
|
2017
|
global $config;
|
|
2018
|
|
|
2019
|
if (isset($config['system']['prefer_ipv4']))
|
|
2020
|
mwexec("/etc/rc.d/ip6addrctl prefer_ipv4");
|
|
2021
|
else
|
|
2022
|
mwexec("/etc/rc.d/ip6addrctl prefer_ipv6");
|
|
2023
|
}
|
|
2024
|
|
|
2025
|
?>
|