misc/archive/killport.sh

   1 #!/bin/sh
   2 #
   3 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   4 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   5 #
   6 # T2 SDE: misc/archive/killport.sh
   7 # Copyright (C) 2004 - 2005 The T2 SDE Project
   8 # Copyright (C) 1998 - 2003 ROCK Linux Project
   9 #
  10 # More information can be found in the files COPYING and README.
  11 #
  12 # This program is free software; you can redistribute it and/or modify
  13 # it under the terms of the GNU General Public License as published by
  14 # the Free Software Foundation; version 2 of the License. A copy of the
  15 # GNU General Public License can be found in the file COPYING.
  16 # --- T2-COPYRIGHT-NOTE-END ---
  17
  18 signal=15
  19 returncode=0
  20
  21 for port ; do
  22         xport="`printf '%04X' $port 2> /dev/null || echo ERROR`"
  23         if [ "$xport" = "ERROR" ] ; then
  24                 echo "Not a valid port number: $port" >&2
  25                 returncode=$(($returncode + 1))
  26         else
  27             echo "Sending signal $signal to all processes connected" \
  28                  "to port $port:"
  29
  30             for proto in tcp udp ; do
  31                 echo -n "  Inodes for `echo $proto | tr a-z A-Z`/$xport: "
  32                 inodes=`egrep "^ *[0-9]+: +[0-9A-F]+:$xport " /proc/net/$proto |
  33                        tr -s ' ' | cut -f11 -d' ' | tr '\n' ' '`
  34                 if [ "$inodes" ] ; then
  35                     echo "$inodes (getting pids)"
  36                     for inode in $inodes ; do
  37                         echo -n "    PIDs for inode $inode: "
  38                         pids="`ls -l /proc/[0-9]*/fd/* 2> /dev/null | \
  39                                grep 'socket:\['$inode'\]' | tr -s ' ' |
  40                                cut -f9 -d' ' | cut -f3 -d/ | tr '\n' ' '`"
  41                         if [ "$pids" ] ; then
  42                                 echo "$pids (sending signal)"
  43                                 kill -$signal $pids
  44                         else
  45                                 echo "None found."
  46                         fi
  47                     done
  48                 else
  49                         echo "None found."
  50                 fi
  51             done
  52         fi
  53 done
  54
  55 exit $returncode