1# $OpenBSD: Server.pm,v 1.10 2016/08/25 22:56:13 bluhm Exp $ 2 3# Copyright (c) 2010-2015 Alexander Bluhm <bluhm@openbsd.org> 4# 5# Permission to use, copy, modify, and distribute this software for any 6# purpose with or without fee is hereby granted, provided that the above 7# copyright notice and this permission notice appear in all copies. 8# 9# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 17use strict; 18use warnings; 19 20package Server; 21use parent 'Proc'; 22use Carp; 23use Config; 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{logfile} ||= "server.log"; 34 $args{up} ||= "Accepted"; 35 my $self = Proc::new($class, %args); 36 $self->{listendomain} 37 or croak "$class listen domain not given"; 38 $SSL_ERROR = ""; 39 my $iosocket = $self->{ssl} ? "IO::Socket::SSL" : "IO::Socket::INET6"; 40 my $ls = $iosocket->new( 41 Proto => "tcp", 42 ReuseAddr => 1, 43 Domain => $self->{listendomain}, 44 Listen => 1, 45 $self->{listenaddr} ? (LocalAddr => $self->{listenaddr}) : (), 46 $self->{listenport} ? (LocalPort => $self->{listenport}) : (), 47 SSL_key_file => "server.key", 48 SSL_cert_file => "server.crt", 49 SSL_verify_mode => SSL_VERIFY_NONE, 50 ) or die ref($self), " $iosocket socket listen failed: $!,$SSL_ERROR"; 51 if ($self->{sndbuf}) { 52 setsockopt($ls, SOL_SOCKET, SO_SNDBUF, 53 pack('i', $self->{sndbuf})) 54 or die ref($self), " set sndbuf SO_SNDBUF failed: $!"; 55 } 56 if ($self->{rcvbuf}) { 57 setsockopt($ls, SOL_SOCKET, SO_RCVBUF, 58 pack('i', $self->{rcvbuf})) 59 or die ref($self), " set rcvbuf SO_RCVBUF failed: $!"; 60 } 61 my $packstr = $Config{longsize} == 8 ? 'ql!' : 62 $Config{byteorder} == 1234 ? 'lxxxxl!' : 'xxxxll!'; 63 if ($self->{sndtimeo}) { 64 setsockopt($ls, SOL_SOCKET, SO_SNDTIMEO, 65 pack($packstr, $self->{sndtimeo}, 0)) 66 or die ref($self), " set SO_SNDTIMEO failed failed: $!"; 67 } 68 if ($self->{rcvtimeo}) { 69 setsockopt($ls, SOL_SOCKET, SO_RCVTIMEO, 70 pack($packstr, $self->{rcvtimeo}, 0)) 71 or die ref($self), " set SO_RCVTIMEO failed failed: $!"; 72 } 73 my $log = $self->{log}; 74 print $log "listen sock: ",$ls->sockhost()," ",$ls->sockport(),"\n"; 75 $self->{listenaddr} = $ls->sockhost() unless $self->{listenaddr}; 76 $self->{listenport} = $ls->sockport() unless $self->{listenport}; 77 $self->{ls} = $ls; 78 return $self; 79} 80 81sub child { 82 my $self = shift; 83 84 # in case we redo the accept, shutdown the old one 85 shutdown(\*STDOUT, SHUT_WR); 86 delete $self->{as}; 87 88 my $as = $self->{ls}->accept() 89 or die ref($self)," ",ref($self->{ls}), 90 " socket accept failed: $!,$SSL_ERROR"; 91 print STDERR "accept sock: ",$as->sockhost()," ",$as->sockport(),"\n"; 92 print STDERR "accept peer: ",$as->peerhost()," ",$as->peerport(),"\n"; 93 if ($self->{ssl}) { 94 print STDERR "ssl version: ",$as->get_sslversion(),"\n"; 95 print STDERR "ssl cipher: ",$as->get_cipher(),"\n"; 96 print STDERR "ssl peer certificate:\n", 97 $as->dump_peer_certificate(); 98 } 99 100 *STDIN = *STDOUT = $self->{as} = $as; 101} 102 1031; 104