PHP/Anzeige von Systeminformationen

<?php

## Name         systeminformation.php
## Date         19 October 2008
## Description  Outputs some information about hardware and installed software
##              of the host the script is running on.
## Hints        The following line needs to be inserted into file "/etc/sudoers":
##              www-data ALL=NOPASSWD: /usr/sbin/dmidecode

##### CONFIGURATION #####

$DMIDECODE = "/usr/sbin/dmidecode";
$HWINFO    = "/usr/sbin/hwinfo";

$output_exists_dmidecode = shell_exec("[ -x /usr/sbin/dmidecode ] && echo -n $?");
$output_exists_hwinfo    = shell_exec("[ -x /usr/sbin/hwinfo    ] && echo -n $?");

##### FUNCTIONS #####

function tr_head($title)
{
  echo "<tr>\n<th align=\"left\" bgcolor=\"#C0C0C0\" colspan=\"2\">" . $title . "</th>\n</tr>\n";
}

function tr($title, $content)
{
  echo "<tr>\n<td bgcolor=\"#DCDCDC\"><b>" . $title . "</b></td>\n<td>" . $content . "</td>\n</tr>\n";
}

##### MAIN PROGRAM #####

## Prüfung auf Vorhandensein von "dmidecode" und "hwinfo".
if ("$output_exists_dmidecode" != "0" or "$output_exists_hwinfo" != "0")
{
  if ("$output_exists_dmidecode" != "0")
  {
    #echo "DMIDECODE: <pre>X" . $output_exists_dmidecode . "X</pre><br />\n";
    echo "\"dmidecode\" fehlt!<br />\n";
  }
  if ("$output_exists_hwinfo" != "0")
  {
    #echo "HWINFO: <pre>X" . $output_exists_hwinfo . "X</pre><br />\n";
    echo "\"hwinfo\" fehlt!<br />\n";
  }
  exit();
}

echo "<h1>Systeminformationen</h1>\n";

$output_date = shell_exec("date \"+%d. %B %Y\"");
echo "<p>Datum: "                       . $output_date . "</p>\n";

echo "<table border=1>\n";
tr_head("Allgemeine Informationen");

## Rechnername
$output_rechnername = shell_exec("uname -n");
tr("Rechnername", $output_rechnername);

## Betriebssystem
$output_betriebssystem = shell_exec("cat /etc/issue.net");
tr("Betriebssystem", $output_betriebssystem);

## Kernel
$output_kernel = shell_exec("uname -sr");
tr("Kernel", $output_kernel);

## "root"-Passwort

## IP-Adresse
$output_ipadresse = shell_exec("ip address show | grep \"inet \" | awk '{ print $2 }'");
tr("IP-Adresse", $output_ipadresse);

## Nameserver
$output_nameserver = shell_exec("cat /etc/resolv.conf | grep \"nameserver \" | awk '{ print $2 }'");
tr("Nameserver", $output_nameserver);

## Hardware
tr_head("Hardware");

## Netzteil
tr ("Netzteil", "&nbsp;");

## Motherboard
$output_motherboard = shell_exec("sudo $DMIDECODE -s system-manufacturer && sudo $DMIDECODE -s system-product-name");
tr("Motherboard", $output_motherboard);

## BIOS
$output_bios = shell_exec("sudo $DMIDECODE -s bios-vendor && sudo dmidecode -s bios-version && sudo $DMIDECODE -s bios-release-date");
tr("BIOS", $output_bios);

## Prozessor
$output_prozessor       = shell_exec("$HWINFO --cpu | grep '^  Model:'    | tr '\042' '%' | awk -F% '{ print $2 }'");
$output_prozessor_cache = shell_exec("$HWINFO --cpu | grep '^  Cache:'                    | awk -F: '{ print $2 }'");
tr("Prozessor", $output_prozessor . " / " . $output_prozessor_cache . " Cache");

## Arbeitsspeicher
$output_arbeitsspeicher = shell_exec("$HWINFO --memory | grep '^  Memory Size:' | awk -F: '{ print $2 }'");
tr("Arbeitsspeicher", $output_arbeitsspeicher);

## Festplatte
$output_festplatte = shell_exec("$HWINFO --disk | grep '^  Model:'    | tr '\042' '%' | awk -F% '{ print $2 }'");
tr("Festplatte", $output_festplatte);

$output_belegung     = disk_free_space("/");
tr("Festplattenbelegung", number_format($output_belegung, 0, '.', '\'') . " Byte freier Platz auf \"/\"");

## Tastatur
$output_tastatur = shell_exec("$HWINFO --keyboard | grep '^  Model:' | tr '\042' '%' | awk -F% '{ print $2 }'");
tr("Tastatur", $output_tastatur);

## Bildschirm
tr("Bildschirm", "&nbsp;");

## Grafikkarte
$output_grafikkarte = shell_exec("$HWINFO --gfxcard | grep '^  Model:'    | tr '\042' '%' | awk -F% '{ print $2 }'");
tr("Grafikkarte", $output_grafikkarte);

## Soundkarte
$output_soundkarte = shell_exec("$HWINFO --sound | grep '^  Model:'    | tr '\042' '%' | awk -F% '{ print $2 }'");
tr("Soundkarte", $output_soundkarte);

## Netzwerkkarte
$output_netzwerkkarte_vendor = shell_exec("$HWINFO --netcard | grep '^  Vendor:'    | tr '\042' '%' | awk -F% '{ print $2 }'");
$output_netzwerkkarte_device = shell_exec("$HWINFO --netcard | grep '^  Device:'    | tr '\042' '%' | awk -F% '{ print $2 }'");
tr("Netzwerkkarte", $output_netzwerkkarte_vendor . $output_netzwerkkarte_device);

## CD-ROM-Laufwerk
$output_cdrom          = shell_exec("$HWINFO --cdrom | grep '^  Model:'    | tr '\042' '%' | awk -F% '{ print $2 }'");
$output_cdrom_features = shell_exec("$HWINFO --cdrom | grep '^  Features:'                 | awk -F: '{ print $2 }'");
tr("CD-ROM-Laufwerk", $output_cdrom . " (" . trim($output_cdrom_features) . ")");

##### Software #####

echo "</table>\n";

echo "<h2>Installierte Pakete</h2>\n";
$output_software = shell_exec("COLUMNS=200 dpkg -l | grep ^ii");
echo "<pre>$output_software</pre>";

?>