diff options
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv6remote.pl')
-rwxr-xr-x | cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv6remote.pl | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv6remote.pl b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv6remote.pl new file mode 100755 index 000000000000..fbfcdfdab35f --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv6remote.pl @@ -0,0 +1,97 @@ +#!/usr/bin/env perl +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License (the "License"). +# You may not use this file except in compliance with the License. +# +# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# When distributing Covered Code, include this CDDL HEADER in each +# file and include the License file at usr/src/OPENSOLARIS.LICENSE. +# If applicable, add the following below this CDDL HEADER, with the +# fields enclosed by brackets "[]" replaced with your own identifying +# information: Portions Copyright [yyyy] [name of copyright owner] +# +# CDDL HEADER END +# + +# +# Copyright 2008 Sun Microsystems, Inc. All rights reserved. +# Use is subject to license terms. +# +#pragma ident "%Z%%M% %I% %E% SMI" + +# +# get.ipv6remote.pl +# +# Find an IPv6 reachable remote host using both ifconfig(1M) and ping(1M). +# Print the local address and the remote address, or print nothing if either +# no IPv6 interfaces or remote hosts were found. (Remote IPv6 testing is +# considered optional, and so not finding another IPv6 host is not an error +# state we need to log.) Exit status is 0 if a host was found. +# + +use strict; +use IO::Socket; + +my $MAXHOSTS = 32; # max hosts to scan +my $TIMEOUT = 3; # connection timeout +my $MULTICAST = "FF02::1"; # IPv6 multicast address + +# +# Determine local IP address +# +my $local = ""; +my $remote = ""; +my $interf = ""; +my %Local; +my %Addr; +my $up; +open IFCONFIG, '/sbin/ifconfig -a inet6 |' + or die "Couldn't run ifconfig: $!\n"; +while (<IFCONFIG>) { + next if /^lo/; + + # "UP" is always printed first (see print_flags() in ifconfig.c): + $up = 1 if /^[a-z].*<UP,/; + $up = 0 if /^[a-z].*<,/; + + if (m:(\S+\d+)\: :) { + $interf = $1; + } + + # assume output is "inet6 ...": + if (m:inet6 (\S+) :) { + my $addr = $1; + $Local{$addr} = 1; + $Addr{$interf} = $addr; + $up = 0; + $interf = ""; + } +} +close IFCONFIG; + +# +# Find the first remote host that responds to an icmp echo, +# which isn't a local address. Try each IPv6-enabled interface. +# +foreach $interf (split(' ', `ifconfig -l -u inet6`)) { + next if $interf =~ /lo[0-9]+/; + open PING, "/sbin/ping6 -n -s 56 -c $MAXHOSTS $MULTICAST\%$interf |" or next; + while (<PING>) { + if (/bytes from (.*), / and not defined $Local{$1}) { + $remote = $1; + $local = $Addr{$interf}; + last; + } + } +} +close PING; +exit 2 if $remote eq ""; + +print "$local $remote\n"; |