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#!/usr/bin/perl
# $OpenBSD: echo.pl,v 1.1 2011/01/07 22:06:08 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 Child;
use Client;
use Server;
require 'funcs.pl';
sub usage {
die "usage: echo.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();
exit 0 if $args{noecho};
my $r = Server->new(
forward => $ARGV[0],
func => \&relay,
logfile => "relay.log",
listendomain => AF_INET,
listenaddr => "127.0.0.1",
%{$args{relay}},
);
my $s = Child->new(
logfile => "server.log",
oobinline => 1,
%{$args{server}},
func => sub {
($args{server}{func} || \&read_char)->(@_);
eval { shutout(@_) };
},
);
my $c = Client->new(
connectdomain => AF_INET,
connectaddr => "127.0.0.1",
connectport => $r->{listenport},
oobinline => 1,
%{$args{client}},
func => sub {
$s->run->up;
($args{client}{func} || \&write_char)->(@_);
eval { shutout(@_) };
$s->down;
},
);
$r->run;
$c->run->up;
$r->up;
$c->down;
$r->down;
$s->{pid} = -1; # XXX hack
exit if $args{nocheck};
my $clen = $c->loggrep(qr/^LEN: /) unless $args{client}{nocheck};
my $rlen = $r->loggrep(qr/^LEN: /) unless $args{relay}{nocheck};
my $slen = $s->loggrep(qr/^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 || $cmd5 eq $smd5
or die "client: $cmd5", "server: $smd5", "md5 mismatch";
!defined($args{md5}) || !$cmd5 || $cmd5 eq "MD5: $args{md5}\n"
or die "client: $cmd5", "md5 $args{md5} expected";
!defined($args{md5}) || !$smd5 || $smd5 eq "MD5: $args{md5}\n"
or die "server: $smd5", "md5 $args{md5} expected";
$args{relay}{errorin} = 0 unless $args{relay}{nocheck};
$args{relay}{errorout} = 0 unless $args{relay}{nocheck};
$args{relay}{errorin} //= $args{relay}{error};
if (defined($args{relay}{errorin})) {
my $ein = $r->loggrep(qr/^ERROR IN: /);
defined($ein) && $ein eq "ERROR IN: $args{relay}{errorin}\n"
or die "relay: $ein",
"error in $args{relay}{errorin} expected";
}
if (defined($args{relay}{errorout})) {
my $eout = $r->loggrep(qr/^ERROR OUT: /);
defined($eout) && $eout eq "ERROR OUT: $args{relay}{errorout}\n"
or die "relay: $eout",
"error out $args{relay}{errorout} expected";
}
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