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#!/usr/bin/perl
# $OpenBSD: relay.pl,v 1.4 2011/07/23 23:56:08 bluhm Exp $
# Copyright (c) 2010 Alexander Bluhm <bluhm@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
use Socket;
use Socket6;
use Client;
use Relay;
use Server;
require 'funcs.pl';
sub usage {
die "usage: relay.pl copy|splice [test-args.pl]\n";
}
my $test;
our %args;
if (@ARGV and -f $ARGV[-1]) {
$test = pop;
do $test
or die "Do test file $test failed: ", $@ || $!;
}
@ARGV == 1 or usage();
my $s = Server->new(
func => \&read_char,
listendomain => AF_INET,
listenaddr => "127.0.0.1",
oobinline => 1,
%{$args{server}},
);
my $r = Relay->new(
forward => $ARGV[0],
func => \&relay,
listendomain => AF_INET,
listenaddr => "127.0.0.1",
connectdomain => AF_INET,
connectaddr => "127.0.0.1",
connectport => $s->{listenport},
%{$args{relay}},
);
my $c = Client->new(
func => \&write_char,
connectdomain => AF_INET,
connectaddr => "127.0.0.1",
connectport => $r->{listenport},
oobinline => 1,
%{$args{client}},
);
$s->run;
$r->run;
$c->run->up;
$r->up;
$s->up;
$c->down;
$r->down;
$s->down;
exit if $args{nocheck};
$r->loggrep(qr/^Timeout$/) or die "no relay timeout"
if $args{relay}{idle};
$r->loggrep(qr/^Max$/) or die "no relay max"
if $args{relay}{max} && $args{len};
my $clen = $c->loggrep(qr/^LEN: /) // die "no client len"
unless $args{client}{nocheck};
my $rlen = $r->loggrep(qr/^LEN: /) // die "no relay len"
unless $args{relay}{nocheck};
my $slen = $s->loggrep(qr/^LEN: /) // die "no server len"
unless $args{server}{nocheck};
!$clen || !$rlen || $clen eq $rlen
or die "client: $clen", "relay: $rlen", "len mismatch";
!$rlen || !$slen || $rlen eq $slen
or die "relay: $rlen", "server: $slen", "len mismatch";
!$clen || !$slen || $clen eq $slen
or die "client: $clen", "server: $slen", "len mismatch";
!defined($args{len}) || !$clen || $clen eq "LEN: $args{len}\n"
or die "client: $clen", "len $args{len} expected";
!defined($args{len}) || !$rlen || $rlen eq "LEN: $args{len}\n"
or die "relay: $rlen", "len $args{len} expected";
!defined($args{len}) || !$slen || $slen eq "LEN: $args{len}\n"
or die "server: $slen", "len $args{len} expected";
my $cmd5 = $c->loggrep(qr/^MD5: /) unless $args{client}{nocheck};
my $smd5 = $s->loggrep(qr/^MD5: /) unless $args{server}{nocheck};
!$cmd5 || !$smd5 || ref($args{md5}) eq 'ARRAY' || $cmd5 eq $smd5
or die "client: $cmd5", "server: $smd5", "md5 mismatch";
my $md5 = ref($args{md5}) eq 'ARRAY' ? join('|', @{$args{md5}}) : $args{md5};
!$md5 || !$cmd5 || $cmd5 =~ /^MD5: ($md5)$/
or die "client: $cmd5", "md5 $md5 expected";
!$md5 || !$smd5 || $smd5 =~ /^MD5: ($md5)$/
or die "server: $smd5", "md5 $md5 expected";
$args{relay}{errorin} //= 0 unless $args{relay}{nocheck};
$args{relay}{errorout} //= 0 unless $args{relay}{nocheck};
my %name2proc = (client => $c, relay => $r, server => $s);
foreach my $name (qw(client relay server)) {
$args{$name}{errorin} //= $args{$name}{error};
if (defined($args{$name}{errorin})) {
my $ein = $name2proc{$name}->loggrep(qr/^ERROR IN: /);
defined($ein) && $ein eq "ERROR IN: $args{$name}{errorin}\n"
or die "$name: $ein",
"error in $args{$name}{errorin} expected";
}
if (defined($args{$name}{errorout})) {
my $eout = $name2proc{$name}->loggrep(qr/^ERROR OUT: /);
defined($eout) && $eout eq "ERROR OUT: $args{$name}{errorout}\n"
or die "$name: $eout",
"error out $args{$name}{errorout} expected";
}
}
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