1# $OpenBSD: Server.pm,v 1.11 2017/01/31 18:02:54 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 => $self->{listenport}) : (), 55 SSL_server => 1, 56 SSL_key_file => "server.key", 57 SSL_cert_file => "server.crt", 58 SSL_ca_file => ($self->{sslca} || "ca.crt"), 59 SSL_verify_mode => ($self->{sslca} ? 60 SSL_VERIFY_PEER : SSL_VERIFY_NONE), 61 $self->{sslca} ? (SSL_verifycn_scheme => "none") : (), 62 $self->{sslversion} ? (SSL_version => $self->{sslversion}) : (), 63 $self->{sslciphers} ? (SSL_cipher_list => $self->{sslciphers}) : (), 64 ) or die ref($self), " $iosocket socket failed: $!,$SSL_ERROR"; 65 if ($self->{sndbuf}) { 66 setsockopt($ls, SOL_SOCKET, SO_SNDBUF, 67 pack('i', $self->{sndbuf})) 68 or die ref($self), " set SO_SNDBUF failed: $!"; 69 } 70 if ($self->{rcvbuf}) { 71 setsockopt($ls, SOL_SOCKET, SO_RCVBUF, 72 pack('i', $self->{rcvbuf})) 73 or die ref($self), " set SO_RCVBUF failed: $!"; 74 } 75 if ($self->{listenproto} ne "udp") { 76 listen($ls, 1) 77 or die ref($self), " socket listen failed: $!"; 78 } 79 my $log = $self->{log}; 80 print $log "listen sock: ",$ls->sockhost()," ",$ls->sockport(),"\n"; 81 $self->{listenaddr} = $ls->sockhost() unless $self->{listenaddr}; 82 $self->{listenport} = $ls->sockport() unless $self->{listenport}; 83 $self->{ls} = $ls; 84 return $self; 85} 86 87sub close { 88 my $self = shift; 89 $self->{ls}->close() 90 or die ref($self)," ",ref($self->{ls}), 91 " socket close failed: $!,$SSL_ERROR"; 92 delete $self->{ls}; 93 return $self; 94} 95 96sub run { 97 my $self = shift; 98 Proc::run($self, @_); 99 return $self->close(); 100} 101 102sub child { 103 my $self = shift; 104 105 my $as = $self->{ls}; 106 if ($self->{listenproto} ne "udp") { 107 $as = $self->{ls}->accept() 108 or die ref($self)," ",ref($self->{ls}), 109 " socket accept failed: $!,$SSL_ERROR"; 110 print STDERR "accept sock: ",$as->sockhost()," ", 111 $as->sockport(),"\n"; 112 print STDERR "accept peer: ",$as->peerhost()," ", 113 $as->peerport(),"\n"; 114 } 115 if ($self->{listenproto} eq "tls") { 116 print STDERR "ssl version: ",$as->get_sslversion(),"\n"; 117 print STDERR "ssl cipher: ",$as->get_cipher(),"\n"; 118 print STDERR "ssl subject: ", $as->peer_certificate("subject") 119 ,"\n" if $self->{sslca}; 120 } 121 122 *STDIN = *STDOUT = $self->{as} = $as; 123} 124 1251; 126