1# $OpenBSD: Client.pm,v 1.3 2021/12/22 15:54:01 bluhm Exp $ 2 3# Copyright (c) 2010-2021 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::SSL; 28 29sub new { 30 my $class = shift; 31 my %args = @_; 32 $args{chroot} ||= "."; 33 $args{logfile} ||= $args{chroot}."/client.log"; 34 $args{up} ||= "Connected"; 35 $args{timefile} //= "time.log"; 36 my $self = Proc::new($class, %args); 37 $self->{connectdomain} 38 or croak "$class connect domain not given"; 39 $self->{connectaddr} 40 or croak "$class connect addr not given"; 41 $self->{connectport} 42 or croak "$class connect port not given"; 43 return $self; 44} 45 46sub child { 47 my $self = shift; 48 49 # in case we redo the connect, shutdown the old one 50 shutdown(\*STDOUT, SHUT_WR); 51 delete $self->{cs}; 52 53 $SSL_ERROR = ""; 54 my $iosocket = $self->{tls} ? "IO::Socket::SSL" : "IO::Socket::IP"; 55 my $cs = $iosocket->new( 56 Proto => "tcp", 57 Domain => $self->{connectdomain}, 58 PeerAddr => $self->{connectaddr}, 59 PeerPort => $self->{connectport}, 60 SSL_verify_mode => SSL_VERIFY_NONE, 61 SSL_use_cert => $self->{offertlscert} ? 1 : 0, 62 SSL_cert_file => $self->{offertlscert} ? 63 $self->{chroot}."/client.crt" : "", 64 SSL_key_file => $self->{offertlscert} ? 65 $self->{chroot}."/client.key" : "", 66 ) or die ref($self), " $iosocket socket connect failed: $!,$SSL_ERROR"; 67 print STDERR "connect sock: ",$cs->sockhost()," ",$cs->sockport(),"\n"; 68 print STDERR "connect peer: ",$cs->peerhost()," ",$cs->peerport(),"\n"; 69 if ($self->{tls}) { 70 print STDERR "tls version: ",$cs->get_sslversion(),"\n"; 71 print STDERR "tls cipher: ",$cs->get_cipher(),"\n"; 72 print STDERR "tls peer certificate:\n", 73 $cs->dump_peer_certificate(); 74 } 75 76 *STDIN = *STDOUT = $self->{cs} = $cs; 77} 78 791; 80