1#	$OpenBSD: Client.pm,v 1.2 2018/05/19 13:57:43 jsing Exp $
2
3# Copyright (c) 2010-2015 Alexander Bluhm <bluhm@openbsd.org>
4# Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org>
5#
6# Permission to use, copy, modify, and distribute this software for any
7# purpose with or without fee is hereby granted, provided that the above
8# copyright notice and this permission notice appear in all copies.
9#
10# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18use strict;
19use warnings;
20
21package Client;
22use parent 'Proc';
23use Carp;
24use Socket;
25use Socket6;
26use IO::Socket;
27use IO::Socket::INET6;
28use IO::Socket::SSL;
29
30sub new {
31	my $class = shift;
32	my %args = @_;
33	$args{chroot} ||= ".";
34	$args{logfile} ||= $args{chroot}."/client.log";
35	$args{up} ||= "Connected";
36	$args{timefile} //= "time.log";
37	my $self = Proc::new($class, %args);
38	$self->{connectdomain}
39	    or croak "$class connect domain not given";
40	$self->{connectaddr}
41	    or croak "$class connect addr not given";
42	$self->{connectport}
43	    or croak "$class connect port not given";
44	return $self;
45}
46
47sub child {
48	my $self = shift;
49
50	# in case we redo the connect, shutdown the old one
51	shutdown(\*STDOUT, SHUT_WR);
52	delete $self->{cs};
53
54	$SSL_ERROR = "";
55	my $iosocket = $self->{tls} ? "IO::Socket::SSL" : "IO::Socket::INET6";
56	my $cs = $iosocket->new(
57	    Proto		=> "tcp",
58	    Domain		=> $self->{connectdomain},
59	    PeerAddr		=> $self->{connectaddr},
60	    PeerPort		=> $self->{connectport},
61	    SSL_verify_mode	=> SSL_VERIFY_NONE,
62	    SSL_use_cert	=> $self->{offertlscert} ? 1 : 0,
63	    SSL_cert_file	=> $self->{offertlscert} ?
64					$self->{chroot}."/client.crt" : "",
65	    SSL_key_file	=> $self->{offertlscert} ?
66					$self->{chroot}."/client.key" : "",
67	) or die ref($self), " $iosocket socket connect failed: $!,$SSL_ERROR";
68	print STDERR "connect sock: ",$cs->sockhost()," ",$cs->sockport(),"\n";
69	print STDERR "connect peer: ",$cs->peerhost()," ",$cs->peerport(),"\n";
70	if ($self->{tls}) {
71		print STDERR "tls version: ",$cs->get_sslversion(),"\n";
72		print STDERR "tls cipher: ",$cs->get_cipher(),"\n";
73		print STDERR "tls peer certificate:\n",
74		    $cs->dump_peer_certificate();
75	}
76
77	*STDIN = *STDOUT = $self->{cs} = $cs;
78}
79
801;
81