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727453c076
Make "src" the implicit "/usr/local" so that nobody can sneak in weird files in the base file system or potentially overwrite them. This is the last time, I swear... :)
111 lines
3.1 KiB
PHP
111 lines
3.1 KiB
PHP
#!/usr/local/bin/php -q
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<?php
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/* $Id$ */
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/*
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captiveportal_gather_stats.php
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Copyright (C) 2011 Warren Baker
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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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require_once("functions.inc");
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require_once("captiveportal.inc");
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require_once("util.inc");
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global $cpzone;
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$cpzone = $argv[1];
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$type = $argv[2];
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/* read in captive portal db */
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$cpdb = captiveportal_read_db();
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/* determine number of logged in users */
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$no_users = count($cpdb);
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$concurrent_users = $no_users;
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/* set initial user count to zero */
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$current_user_count = 0;
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/* tmp file to use to store old data (per interface)*/
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$tmpfile = "{$g['vardb_path']}/captiveportal_online_users";
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if(empty($type))
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exit;
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/* echo the rrd required syntax */
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echo "N:";
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$result = "NaN";
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if ($type == "loggedin") {
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/* Find out the previous user timestamp
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* so we can determine the difference between the current
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* and previous user count. If the file is empty return a 0.
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*/
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$fd = @fopen($tmpfile, "r");
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if ($fd) {
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while (!feof($fd)) {
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$line = trim(fgets($fd));
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if($line)
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$previous_user_timestamp = $line;
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else
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$previous_user_timestamp = 0;
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}
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} else {
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$previous_user_timestamp = 0;
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}
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@fclose($fd);
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foreach($cpdb as $user) {
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$user_ip = $user[2];
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// Record the timestamp
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$timestamp = $user[0];
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if ($timestamp > $previous_user_timestamp)
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$current_user_count = $current_user_count + 1;
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}
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// Write out the latest timestamp but not if it is empty
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if (!empty($timestamp)) {
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$fd = @fopen($tmpfile, "w");
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if ($fd) {
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fwrite($fd, $timestamp);
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}
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@fclose($fd);
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}
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/* If $timestamp is less than or equal to previous_user_timestamp return 0,
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* as we only want the 'X' number of users logged in since last RRD poll.
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*/
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if($timestamp <= $previous_user_timestamp)
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$result = 0;
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else {
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$result = $current_user_count;
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}
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} elseif ($type == "concurrent")
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$result = $no_users;
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echo "$result";
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?>
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