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<?php
/*
* Analysis Console for Incident Databases (ACID)
*
* Author: Roman Danyliw <rdd@cert.org>, <roman@danyliw.com>
*
* Copyright (C) 2000 Carnegie Mellon University
* (see the file 'acid_main.php' for license details)
*
* Purpose:
*
*/
function createDBIndex($db, $table, $field, $index_name)
{
$sql = 'CREATE INDEX '.$index_name.' ON '.$table.' ('.$field.')';
$db->acidExecute($sql, -1, -1, false);
if ( $db->acidErrorMessage() != "" )
ErrorMessage("Unable to CREATE INDEX for '".$field."' : ".$db->acidErrorMessage());
else
ErrorMessage("Successfully created INDEX for '".$field."'");
}
function verify_db($db, $alert_dbname, $alert_host)
{
$msg = '<B>The underlying database '.$alert_dbname.'@'.$alert_host.' appears to be incomplete/invalid</B>';
$sql = "SELECT ip_src FROM iphdr";
$result = $db->acidExecute($sql, 0, 1, false);
if ( $db->acidErrorMessage() != "" )
return $msg.'<BR>'.$db->acidErrorMessage().'
<P>It might be an older version. Only alert databases created by Snort 1.7-beta0
or later are supported';
$acid_table = array ("acid_ag",
"acid_ag_alert",
"acid_ip_cache",
"acid_event");
for ( $i = 0; $i < count($acid_table); $i++)
{
if ( !$db->acidTableExists($acid_table[$i]) )
return $msg.'. <P>The database version is valid, but the ACID DB structure
(table: '.$acid_table[$i].')
is not present. Use the <A HREF="acid_db_setup.php">Setup page</A> to configure
and optimize the DB.';
}
return "";
}
function verify_php_build($DBtype)
/* Checks whether the necessary libraries is built into PHP */
{
/* Check PHP version >= 4.0.4 */
$current_php_version = phpversion();
$version = explode(".", $current_php_version);
/* account for x.x.xXX subversions possibly having text like 4.0.4pl1 */
if ( is_numeric(substr($version[2], 1, 1)) )
$version[2] = substr($version[2], 0, 2);
else
$version[2] = substr($version[2], 0, 1);
/* only version PHP 4.0.4+ or 4.1+.* are valid */
if ( !( ($version[0] >= 4) && ( ( ($version[1] == 0) && ($version[2] >= 4) ) ||
($version[1] > 0) ) ) )
{
return "<FONT COLOR=\"#FF0000\">PHP ERROR</FONT>: ".
"<B>Incompatible version</B>: <FONT>Version ".$current_php_version.
" of PHP is too old. Please upgrade to version 4.0.4 or later</FONT>";
}
if ( ($DBtype == "mysql") || ($DBtype == "mysqlt") )
{
if ( !(function_exists("mysql_connect")) )
{
return "<FONT COLOR=\"#FF0000\">PHP ERROR</FONT>: ".
"<B>PHP build incomplete</B>: <FONT>the prerequisite MySQL support required to ".
"read the alert database was not built into PHP. ".
"Please recompile PHP with the necessary library (<CODE>--with-mysql</CODE>)</FONT>";
}
}
else if ( $DBtype == "postgres" )
{
if ( !(function_exists("pg_connect")) )
{
return "<FONT COLOR=\"#FF0000\">PHP ERROR</FONT>: ".
"<B>PHP build incomplete</B>: <FONT>the prerequisite PostgreSQL support required to ".
"read the alert database was not built into PHP. ".
"Please recompile PHP with the necessary library (<CODE>--with-pgsql</CODE>)</FONT>";
}
}
else if ( $DBtype == "mssql" )
{
if ( !(function_exists("mssql_connect")) )
{
return "<FONT COLOR=\"#FF0000\">PHP ERROR</FONT>: ".
"<B>PHP build incomplete</B>: <FONT>the prerequisite MS SQL Server support required to ".
"read the alert database was not built into PHP. ".
"Please recompile PHP with the necessary library (<CODE>--enable-mssql</CODE>)</FONT>";
}
}
else
return "<B>Unknown Database type specified</B>: a <CODE>DBtype</CODE> of ".
" '$DBtype' was specified";
return "";
}
/* ******************* DB Query Routines ************************************ */
function EventsByAddr($db, $i, $ip)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT signature FROM acid_event (ip_src=$ip32) OR (ip_dst=$ip32)");
while ( $myrow = $result->acidFetchRow() )
$sig[] = $myrow[0];
$result->acidFreeRows();
return $sig[$i];
}
function EventCntByAddr($db, $ip)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT count(ip_src) FROM acid_event WHERE ".
"(ip_src=$ip32) OR (ip_dst=$ip32)");
$myrow = $result->acidFetchRow();
$event_cnt = $myrow[0];
$result->acidFreeRows();
return $event_cnt;
}
function UniqueEventsByAddr($db, $i, $ip)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT DISTINCT signature FROM acid_event WHERE ".
"(ip_src=$ip32) OR (ip_dst=$ip32)");
while ($myrow = $result->acidFetchRow())
$sig[] = $myrow[0];
$result->acidFreeRow();
return $sig[$i];
}
function UniqueEventCntByAddr($db, $ip)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT DISTINCT signature FROM acid_event WHERE ".
"(ip_src=$ip32) OR (ip_dst=$ip32)");
while ($myrow = $result->acidFetchRow())
$sig[] = $myrow[0];
$result->acidFreeRows();
return $sig;
}
function UniqueEventTotalsByAddr($db, $ip, $current_event)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT count(signature) FROM acid_event WHERE ".
"( (ip_src=$ip32 OR ip_dst=$ip32) AND signature='$current_event')");
$myrow = $result->acidFetchRow();
$tmp = $myrow[0];
$result->acidFreeRows();
return $tmp;
}
function UniqueSensorCntByAddr($db, $ip, $current_event)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT DISTINCT sid FROM acid_event WHERE ".
"( (ip_src=$ip32 OR ip_dst=$ip32) AND signature='$current_event')");
while ($myrow = $result->acidFetchRow())
$sid[] = $myrow[0];
$count = count($sid);
$result->acidFreeRows();
return $count;
}
function StartTimeForUniqueEventByAddr($db, $ip, $current_event)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT min(timestamp) FROM acid_event WHERE ".
"((ip_src=$ip32 OR ip_dst=$ip32) AND signature = '$current_event');");
$myrow = $result->acidFetchRow();
$start_time = $myrow[0];
$result->acidFreeRows();
return $start_time;
}
function StopTimeForUniqueEventByAddr($db, $ip, $current_event)
{
$ip32 = acidIP2long($ip);
$result = $db->acidExecute("SELECT max(timestamp) FROM acid_event WHERE ".
"((ip_src=$ip32 OR ip_dst=$ip32) AND signature = '$current_event');");
$myrow = $result->acidFetchRow();
$stop_time = $myrow[0];
$result->acidFreeRows();
return $stop_time;
}
?>
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