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<?php
/***************************************************************************
* Copyright (C) 2006 by phpSysInfo - A PHP System Information Script *
* http://phpsysinfo.sourceforge.net/ *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
// $Id: common_functions.php,v 1.55 2007/02/20 19:20:20 bigmichi1 Exp $
// usefull during development
if( isset($showerrors) && $showerrors ) {
error_reporting( E_ALL | E_NOTICE );
} else {
error_reporting( E_ERROR | E_WARNING | E_PARSE );
}
// HTML/XML Comment
function created_by () {
global $VERSION;
return "<!--\n\tCreated By: phpSysInfo - " . $VERSION . "\n\thttp://phpsysinfo.sourceforge.net/\n-->\n";
}
// print out the bar graph
// $value as full percentages
// $maximim as current maximum
// $b as scale factor
// $type as filesystem type
function create_bargraph ($value, $maximum, $b, $type = "") {
global $webpath;
$textdir = direction();
$imgpath = $webpath . 'templates/' . TEMPLATE_SET . '/images/';
$maximum == 0 ? $barwidth = 0 : $barwidth = round((100 / $maximum) * $value) * $b;
$red = 90 * $b;
$yellow = 75 * $b;
if (!file_exists(APP_ROOT . "/templates/" . TEMPLATE_SET . "/images/nobar_left.gif")) {
if ($barwidth == 0) {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_middle.gif" width="1">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_' . $textdir['right'] . '.gif">';
} elseif ( file_exists( APP_ROOT . "/templates/" . TEMPLATE_SET . "/images/yellowbar_left.gif") && ( $barwidth > $yellow ) && ( $barwidth < $red ) ) {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'yellowbar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'yellowbar_middle.gif" width="' . $barwidth . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'yellowbar_' . $textdir['right'] . '.gif">';
} elseif ( ( $barwidth < $red ) || ( $type == "iso9660" ) || ( $type == "CDFS" ) ) {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_middle.gif" width="' . $barwidth . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_' . $textdir['right'] . '.gif">';
} else {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_middle.gif" width="' . $barwidth . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_' . $textdir['right'] . '.gif">';
}
} else {
if ($barwidth == 0) {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_middle.gif" width="' . ( 100 * $b ) . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_' . $textdir['right'] . '.gif">';
} elseif ( file_exists( APP_ROOT . "/templates/" . TEMPLATE_SET . "/images/yellowbar_left.gif" ) && ( $barwidth > $yellow ) && ( $barwidth < $red ) ) {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'yellowbar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'yellowbar_middle.gif" width="' . $barwidth . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_middle.gif" width="' . ( ( 100 * $b ) - $barwidth ) . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_' . $textdir['right'] . '.gif">';
} elseif ( ( $barwidth < $red ) || ( $type == "iso9660" ) || ( $type == "CDFS" ) ) {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'bar_middle.gif" width="' . $barwidth . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_middle.gif" width="' . ( ( 100 * $b ) - $barwidth ) . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_' . $textdir['right'] . '.gif">';
} elseif ( $barwidth == ( 100 * $b ) ) {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_middle.gif" width="' . ( 100 * $b ) . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_' . $textdir['right'] . '.gif">';
} else {
return '<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_' . $textdir['left'] . '.gif">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'redbar_middle.gif" width="' . $barwidth . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_middle.gif" width="' . ( ( 100 * $b ) - $barwidth ) . '">'
.'<img height="' . BAR_HEIGHT . '" alt="" src="' . $imgpath . 'nobar_' . $textdir['right'] . '.gif">';
}
}
}
function create_bargraph_grad( $value, $maximum, $b, $type = "" ) {
global $webpath;
$maximum == 0 ? $barwidth = 0 : $barwidth = round( ( 100 / $maximum ) * $value );
$startColor = '0ef424'; // green
$endColor = 'ee200a'; // red
if ( $barwidth > 100 ) {
$barwidth = 0;
}
return '<img height="' . BAR_HEIGHT . '" width="300" src="' . $webpath . 'includes/indicator.php?height=' . BAR_HEIGHT . '&percent=' . $barwidth . '&color1=' . $startColor . '&color2=' . $endColor . '" alt="">';
}
function direction() {
global $text_dir;
if( ! isset( $text_dir ) || ( $text_dir == "ltr" ) ) {
$arrResult['direction'] = "ltr";
$arrResult['left'] = "left";
$arrResult['right'] = "right";
} else {
$arrResult['direction'] = "rtl";
$arrResult['left'] = "right";
$arrResult['right'] = "left";
}
return $arrResult;
}
// Find a system program. Do path checking
function find_program ($strProgram) {
global $addpaths;
$arrPath = array( '/bin', '/sbin', '/usr/bin', '/usr/sbin', '/usr/local/bin' );
if( isset( $addpaths ) && is_array( $addpaths ) ) {
$arrPath = array_merge( $arrPath, $addpaths );
}
if ( function_exists( "is_executable" ) ) {
foreach ( $arrPath as $strPath ) {
$strProgrammpath = $strPath . "/" . $strProgram;
if( is_executable( $strProgrammpath ) ) {
return $strProgrammpath;
}
}
} else {
return strpos( $strProgram, '.exe' );
}
}
// Execute a system program. return a trim()'d result.
// does very crude pipe checking. you need ' | ' for it to work
// ie $program = execute_program('netstat', '-anp | grep LIST');
// NOT $program = execute_program('netstat', '-anp|grep LIST');
function execute_program ($strProgramname, $strArgs = '', $booErrorRep = true ) {
global $error;
$strBuffer = '';
$strError = '';
$strProgram = find_program($strProgramname);
if ( ! $strProgram ) {
if( $booErrorRep ) {
$error->addError( 'find_program(' . $strProgramname . ')', 'program not found on the machine', __LINE__, __FILE__);
}
return "ERROR";
}
// see if we've gotten a |, if we have we need to do patch checking on the cmd
if( $strArgs ) {
$arrArgs = explode( ' ', $strArgs );
for( $i = 0; $i < count( $arrArgs ); $i++ ) {
if ( $arrArgs[$i] == '|' ) {
$strCmd = $arrArgs[$i + 1];
$strNewcmd = find_program( $strCmd );
$strArgs = ereg_replace( "\| " . $strCmd, "| " . $strNewcmd, $strArgs );
}
}
}
// no proc_open() below php 4.3
if( function_exists( 'proc_open' ) ) {
$descriptorspec = array(
0 => array("pipe", "r"), // stdin is a pipe that the child will read from
1 => array("pipe", "w"), // stdout is a pipe that the child will write to
2 => array("pipe", "w") // stderr is a pipe that the child will write to
);
$process = proc_open( $strProgram . " " . $strArgs, $descriptorspec, $pipes );
if( is_resource( $process ) ) {
while( !feof( $pipes[1] ) ) {
$strBuffer .= fgets( $pipes[1], 1024 );
}
fclose( $pipes[1] );
while( !feof( $pipes[2] ) ) {
$strError .= fgets( $pipes[2], 1024 );
}
fclose( $pipes[2] );
}
$return_value = proc_close( $process );
} else {
if( $fp = popen( "(" . $strProgram . " " . $strArgs . " > /dev/null) 3>&1 1>&2 2>&3", 'r' ) ) {
while( ! feof( $fp ) ) {
$strError .= fgets( $fp, 4096 );
}
pclose( $fp );
}
$strError = trim( $strError );
if( $fp = popen( $strProgram . " " . $strArgs, 'r' ) ) {
while( ! feof( $fp ) ) {
$strBuffer .= fgets( $fp, 4096 );
}
$return_value = pclose( $fp );
}
}
$strError = trim( $strError );
$strBuffer = trim( $strBuffer );
if( ! empty( $strError ) || $return_value <> 0 ) {
if( $booErrorRep ) {
$error->addError( $strProgram, $strError . "\nReturn value: " . $return_value, __LINE__, __FILE__);
}
}
return $strBuffer;
}
// A helper function, when passed a number representing KB,
// and optionally the number of decimal places required,
// it returns a formated number string, with unit identifier.
function format_bytesize ($intKbytes, $intDecplaces = 2) {
global $text;
$strSpacer = ' ';
if( $intKbytes > 1048576 ) {
$strResult = sprintf( '%.' . $intDecplaces . 'f', $intKbytes / 1048576 );
$strResult .= $strSpacer . $text['gb'];
} elseif( $intKbytes > 1024 ) {
$strResult = sprintf( '%.' . $intDecplaces . 'f', $intKbytes / 1024);
$strResult .= $strSpacer . $text['mb'];
} else {
$strResult = sprintf( '%.' . $intDecplaces . 'f', $intKbytes );
$strResult .= $strSpacer . $text['kb'];
}
return $strResult;
}
function format_speed( $intHz ) {
$strResult = "";
if( $intHz < 1000 ) {
$strResult = $intHz . " Mhz";
} else {
$strResult = round( $intHz / 1000, 2 ) . " GHz";
}
return $strResult;
}
function get_gif_image_height( $image ) {
// gives the height of the given GIF image, by reading it's LSD (Logical Screen Discriptor)
// by Edwin Meester aka MillenniumV3
// Header:
//3bytes Discription
// 3bytes Version
// LSD:
//2bytes Logical Screen Width
// 2bytes Logical Screen Height
// 1bit Global Color Table Flag
// 3bits Color Resolution
// 1bit Sort Flag
// 3bits Size of Global Color Table
// 1byte Background Color Index
// 1byte Pixel Aspect Ratio
// Open Image
$fp = fopen( $image, 'rb' );
// read Header + LSD
$strHeaderandlsd = fread( $fp, 13 );
fclose( $fp );
// calc Height from Logical Screen Height bytes
$intResult = ord( $strHeaderandlsd{8} ) + ord( $strHeaderandlsd{9} ) * 255;
return $intResult;
}
// Check if a string exist in the global $hide_mounts.
// Return true if this is the case.
function hide_mount( $strMount ) {
global $hide_mounts;
if( isset( $hide_mounts ) && is_array( $hide_mounts ) && in_array( $strMount, $hide_mounts ) ) {
return true;
} else {
return false;
}
}
// Check if a string exist in the global $hide_fstypes.
// Return true if this is the case.
function hide_fstype( $strFSType ) {
global $hide_fstypes;
if( isset( $hide_fstypes ) && is_array( $hide_fstypes ) && in_array( $strFSType, $hide_fstypes ) ) {
return true;
} else {
return false;
}
}
function uptime( $intTimestamp ) {
global $text;
$strUptime = '';
$intMin = $intTimestamp / 60;
$intHours = $intMin / 60;
$intDays = floor( $intHours / 24 );
$intHours = floor( $intHours - ( $intDays * 24 ) );
$intMin = floor( $intMin - ( $intDays * 60 * 24 ) - ( $intHours * 60 ) );
if( $intDays != 0 ) {
$strUptime .= $intDays. " " . $text['days'] . " ";
}
if( $intHours != 0 ) {
$strUptime .= $intHours . " " . $text['hours'] . " ";
}
$strUptime .= $intMin . " " . $text['minutes'];
return $strUptime;
}
//Replace some chars which are not valid in xml with iso-8859-1 encoding
function replace_specialchars( &$strXml ) {
$arrSearch = array( chr(174), chr(169), chr(228), chr(246), chr(252), chr(214), chr(220), chr(196) );
$arrReplace = array( "(R)", "(C)", "ae", "oe", "ue", "Oe", "Ue", "Ae" );
$strXml = str_replace( $arrSearch, $arrReplace, $strXml );
}
// find duplicate entrys and count them, show this value befor the duplicated name
function finddups( $arrInput ) {
$arrResult = array();
if( is_array( $arrInput ) ) {
$arrBuffer = array_count_values( $arrInput );
foreach( $arrBuffer as $strKey => $intValue) {
if( $intValue > 1 ) {
$arrResult[] = "(" . $intValue . "x) " . $strKey;
} else {
$arrResult[] = $strKey;
}
}
}
return $arrResult;
}
function rfts( $strFileName, $intLines = 0, $intBytes = 4096, $booErrorRep = true ) {
global $error;
$strFile = "";
$intCurLine = 1;
if( file_exists( $strFileName ) ) {
if( $fd = fopen( $strFileName, 'r' ) ) {
while( !feof( $fd ) ) {
$strFile .= fgets( $fd, $intBytes );
if( $intLines <= $intCurLine && $intLines != 0 ) {
break;
} else {
$intCurLine++;
}
}
fclose( $fd );
} else {
if( $booErrorRep ) {
$error->addError( 'fopen(' . $strFileName . ')', 'file can not read by phpsysinfo', __LINE__, __FILE__ );
}
return "ERROR";
}
} else {
if( $booErrorRep ) {
$error->addError( 'file_exists(' . $strFileName . ')', 'the file does not exist on your machine', __LINE__, __FILE__ );
}
return "ERROR";
}
return $strFile;
}
function gdc( $strPath, $booErrorRep = true ) {
global $error;
$arrDirectoryContent = array();
if( is_dir( $strPath ) ) {
if( $handle = opendir( $strPath ) ) {
while( ( $strFile = readdir( $handle ) ) !== false ) {
if( $strFile != "." && $strFile != ".." && $strFile != "CVS" ) {
$arrDirectoryContent[] = $strFile;
}
}
closedir( $handle );
} else {
if( $booErrorRep ) {
$error->addError( 'opendir(' . $strPath . ')', 'directory can not be read by phpsysinfo', __LINE__, __FILE__ );
}
}
} else {
if( $booErrorRep ) {
$error->addError( 'is_dir(' . $strPath . ')', 'directory does not exist on your machine', __LINE__, __FILE__ );
}
}
return $arrDirectoryContent;
}
function temperature( $floatTempC ) {
global $temperatureformat, $text, $error;
$strResult = " ";
switch( strtoupper( $temperatureformat ) ) {
case "F":
$floatFahrenheit = $floatTempC * 1.8 + 32;
$strResult .= round( $floatFahrenheit ) . $text['degreeF'];
break;
case "C":
$strResult .= round( $floatTempC ) . $text['degreeC'];
break;
case "F-C":
$floatFahrenheit = $floatTempC * 1.8 + 32;
$strResult .= round( $floatFahrenheit ) . $text['degreeF'];
$strResult .= " (";
$strResult .= round( $floatTempC ) . $text['degreeC'];
$strResult .= ")";
break;
case "C-F":
$floatFahrenheit = $floatTempC * 1.8 + 32;
$strResult .= round( $floatTempC ) . $text['degreeC'];
$strResult .= " (";
$strResult .= round( $floatFahrenheit ) . $text['degreeF'];
$strResult .= ")";
break;
default:
$error->addError( 'temperature(' . $floatTempC . ')', 'wrong or unspecified temperature format', __LINE__, __FILE__ );
break;
}
return $strResult;
}
?>