Netzwerk-Informationen von der Kommandozeile

 #! /bin/bash
QUERY0=”$(ipconfig getpacket en0)”;
QUERY1=”$(ipconfig getpacket en1)”;
MAC0=”$(ifconfig en0 | grep ether | awk ”{print $2}”)”;
MAC1=”$(ifconfig en1 | grep ether | awk ”{print $2}”)”;
echo $QUERY0 | grep ”BOOTREPLY” > /dev/null;
ET=$?;
echo $QUERY1 | grep ”BOOTREPLY” > /dev/null;
WI=$?;
echo ” ”;
if [ $ET -eq 0 ] || [ $WI -eq 0 ]
 then
  PUBLIC=”$(curl -s [url]http://checkip.dyndns.org[/url] | awk ”{print $6}” | awk ”BEGIN {FS = ”<”} {print $1}”)”;
  echo ”   Public IP: $PUBLIC”;
fi;
echo ”   Hostname: $HOSTNAME”;
echo ” ”;
echo ”Wired Ethernet (en0)”;
echo ”-----------------------”;
if [ $ET -eq 0 ]
 then
  echo $QUERY0 | grep ”yiaddr = 0.0.0.0” > /dev/null;
  AT=$?;
  if [ $AT -eq 0 ]
   then
    IP=”$(echo $QUERY0 | sed ”s/.*ciaddr = ([[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}).*/1 (Static)/”)”;
   else
    IP=”$(echo $QUERY0 | sed ”s/.*yiaddr = ([[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}).*/1 (DHCP)/”)”;
  fi;
  SUBNET=”$(echo $QUERY0 | sed ”s/.*subnet_mask (ip): ([[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}).*/1/”)”;
  ROUTER=”$(echo $QUERY0 | sed ”s/.*router (ip_mult): {([^}]*)}.*/1/”)”;
  DNS=”$(echo $QUERY0 | sed ”s/.*domain_name_server (ip_mult): {([^}]*)}.*/1/”)”;
  SEARCH=”$(echo $QUERY0 | sed ”s/.*domain_name (string): (.*) [[:alpha:]].*/1/”)”;
  SPEED=”$(ifconfig en0 | grep media: | sed ”s/.*(//” | sed ”s/ .*//” | sed ”s/baseT/ MBit/s/”)”;
  echo ”  IP Address: $IP”;
  echo ”  Subnet Mask: $SUBNET”;
  echo ”    Router: $ROUTER”;
  echo ”  DNS Server: $DNS”;
  echo ”Search Domains: $SEARCH”;
  echo ”  MAC Address: $MAC0”;
  echo ”     Speed: $SPEED”;
elif ! [ $ET -eq 0 ]
 then
  echo ”  IP Address: inactive”;
  echo ”  MAC Address: $MAC0”;
fi;
echo ” ”;
echo ”Wireless Ethernet (en1)”;
echo ”-----------------------”;
if [ $WI -eq 0 ]
 then
  echo $QUERY1 | grep ”yiaddr = 0.0.0.0” > /dev/null;
  AT=$?;
  if [ $AT -eq 0 ]
   then
    IP=”$(echo $QUERY1 | sed ”s/.*ciaddr = ([[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}).*/1 (Static)/”)”;
   else
    IP=”$(echo $QUERY1 | sed ”s/.*yiaddr = ([[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}).*/1 (DHCP)/”)”;
  fi;
  SUBNET=”$(echo $QUERY1 | sed ”s/.*subnet_mask (ip): ([[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}).*/1/”)”;
  ROUTER=”$(echo $QUERY1 | sed ”s/.*router (ip_mult): {([^}]*)}.*/1/”)”;
  DNS=”$(echo $QUERY1 | sed ”s/.*domain_name_server (ip_mult): {([^}]*)}.*/1/”)”;
  SEARCH=”$(echo $QUERY1 | sed ”s/.*domain_name (string): (.*) [[:alpha:]].*/1/”)”;
  SPEED=”$(/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | grep lastTxRate: | sed ”s/.*: //” | sed ”s/$/ MBit/s/”)”;
  echo ”  IP Address: $IP”;
  echo ”  Subnet Mask: $SUBNET”;
  echo ”    Router: $ROUTER”;
  echo ”  DNS Server: $DNS”;
  echo ”Search Domains: $SEARCH”;
  echo ”  MAC Address: $MAC1”;
  echo ”     Speed: $SPEED”
elif ! [ $WI -eq 0 ]
 then
  echo ”  IP Address: inactive”;
  echo ”  MAC Address: $MAC1”;
fi;
echo ” ”;