1# $OpenBSD: Server.pm,v 1.10 2016/09/23 14:35:15 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 Socket; 24use Socket6; 25use IO::Socket; 26use IO::Socket::INET6; 27use IO::Socket::SSL; 28 29sub new { 30 my $class = shift; 31 my %args = @_; 32 $args{ktracefile} ||= "server.ktrace"; 33 $args{logfile} ||= "server.log"; 34 $args{up} ||= "Accepted"; 35 my $self = Proc::new($class, %args); 36 $self->{listenproto} ||= "udp"; 37 defined($self->{listendomain}) 38 or croak "$class listen domain not given"; 39 return $self->listen(); 40} 41 42sub listen { 43 my $self = shift; 44 $SSL_ERROR = ""; 45 my $iosocket = $self->{listenproto} eq "tls" ? 46 "IO::Socket::SSL" : "IO::Socket::INET6"; 47 my $proto = $self->{listenproto}; 48 $proto = "tcp" if $proto eq "tls"; 49 my $ls = $iosocket->new( 50 Proto => $proto, 51 ReuseAddr => 1, 52 Domain => $self->{listendomain}, 53 $self->{listenaddr} ? (LocalAddr => $self->{listenaddr}) : (), 54 $self->{listenport} ? (LocalPort => $self->{listenport}) : (), 55 SSL_key_file => "server.key", 56 SSL_cert_file => "server.crt", 57 SSL_ca_file => ($self->{sslca} || "ca.crt"), 58 SSL_verify_mode => ($self->{sslca} ? 59 SSL_VERIFY_PEER : SSL_VERIFY_NONE), 60 $self->{sslca} ? (SSL_verifycn_scheme => "none") : (), 61 $self->{sslversion} ? (SSL_version => $self->{sslversion}) : (), 62 $self->{sslciphers} ? (SSL_cipher_list => $self->{sslciphers}) : (), 63 ) or die ref($self), " $iosocket socket failed: $!,$SSL_ERROR"; 64 if ($self->{sndbuf}) { 65 setsockopt($ls, SOL_SOCKET, SO_SNDBUF, 66 pack('i', $self->{sndbuf})) 67 or die ref($self), " set SO_SNDBUF failed: $!"; 68 } 69 if ($self->{rcvbuf}) { 70 setsockopt($ls, SOL_SOCKET, SO_RCVBUF, 71 pack('i', $self->{rcvbuf})) 72 or die ref($self), " set SO_RCVBUF failed: $!"; 73 } 74 if ($self->{listenproto} ne "udp") { 75 listen($ls, 1) 76 or die ref($self), " socket listen failed: $!"; 77 } 78 my $log = $self->{log}; 79 print $log "listen sock: ",$ls->sockhost()," ",$ls->sockport(),"\n"; 80 $self->{listenaddr} = $ls->sockhost() unless $self->{listenaddr}; 81 $self->{listenport} = $ls->sockport() unless $self->{listenport}; 82 $self->{ls} = $ls; 83 return $self; 84} 85 86sub close { 87 my $self = shift; 88 $self->{ls}->close() 89 or die ref($self)," ",ref($self->{ls}), 90 " socket close failed: $!,$SSL_ERROR"; 91 delete $self->{ls}; 92 return $self; 93} 94 95sub run { 96 my $self = shift; 97 Proc::run($self, @_); 98 return $self->close(); 99} 100 101sub child { 102 my $self = shift; 103 104 my $as = $self->{ls}; 105 if ($self->{listenproto} ne "udp") { 106 $as = $self->{ls}->accept() 107 or die ref($self)," ",ref($self->{ls}), 108 " socket accept failed: $!,$SSL_ERROR"; 109 print STDERR "accept sock: ",$as->sockhost()," ", 110 $as->sockport(),"\n"; 111 print STDERR "accept peer: ",$as->peerhost()," ", 112 $as->peerport(),"\n"; 113 } 114 if ($self->{listenproto} eq "tls") { 115 print STDERR "ssl version: ",$as->get_sslversion(),"\n"; 116 print STDERR "ssl cipher: ",$as->get_cipher(),"\n"; 117 print STDERR "ssl subject: ", $as->peer_certificate("subject") 118 ,"\n" if $self->{sslca}; 119 } 120 121 *STDIN = *STDOUT = $self->{as} = $as; 122} 123 1241; 125