diff options
Diffstat (limited to 'usr.bin/lsock/lsock.pl')
-rw-r--r-- | usr.bin/lsock/lsock.pl | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/usr.bin/lsock/lsock.pl b/usr.bin/lsock/lsock.pl new file mode 100644 index 0000000..06218c6 --- /dev/null +++ b/usr.bin/lsock/lsock.pl @@ -0,0 +1,63 @@ +#!/usr/bin/perl5 +#- +# Copyright (c) 1999 Dag-Erling Coïdan Smørgrav +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer +# in this position and unchanged. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# $Id$ +# + +my (%myaddr, %hisaddr); +my ($user, $cmd, $pid, $fd, $inet, $type, $proto, $sock, $laddr, $faddr); + +format STDOUT_TOP = +USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS +. +format STDOUT = +@<<<<<<< @<<<<<<<<< @>>>> @>>> @<< @<<<<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<<<< +$user, $cmd, $pid, $fd, $proto,$laddr, $faddr +. + +open NETSTAT, "netstat -Aan |" or die "'netstat -Aan' failed: $!"; + +while (<NETSTAT>) { + my ($sock, $proto, $recvq, $sendq, $laddr, $faddr, $state) = split; + next unless ($proto =~ m/tcp|udp/); + ($myaddr{$sock}, $hisaddr{$sock}) = ($laddr, $faddr); +} + +close NETSTAT; + +open FSTAT, "fstat |" or die "'fstat' failed: $!\n"; + +while (<FSTAT>) { + ($user, $cmd, $pid, $fd, $inet, $type, $proto, $sock) = split; + chop $fd; + next unless ($inet eq "internet"); + ($laddr, $faddr) = ($myaddr{$sock}, $hisaddr{$sock}); + write STDOUT; +} + +close FSTAT; |