vmdump.sh

#!/bin/bash

if echo ${1} | grep -q '^vmnet[0-9]$'; then
     ERRCOUNT='0'

     PIDSNIFF='0'
     PIDTDUMP='0'
     
     CAPINTF="${1}"
     CAPFILE="$(mktemp -t capture)"

     trap "rm -rf \"${CAPFILE}\"" EXIT TERM INT
     
     shift
     
     if rm -f "${CAPFILE}"; then
          if mkfifo "${CAPFILE}"; then
               /Applications/VMware\ Fusion.app/Contents/Library/vmnet-sniffer \
                    -w "${CAPFILE}" "${CAPINTF}" >/dev/null || let ERRCOUNT++ &

               tcpdump -r "${CAPFILE}" ${*} || let ERRCOUNT++ &
               
               wait
          else
               let ERRCOUNT++
          fi
     else
          let ERRCOUNT++
     fi
else
     let ERRCOUNT++
     echo "usage: sudo $(basename ${0}) <vmnet interface> [tcpdump options]"
fi

exit "${ERRCOUNT}"