1# $OpenBSD: Client.pm,v 1.11 2017/09/13 00:35:53 bluhm Exp $ 2 3# Copyright (c) 2010-2014 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 Client; 21use parent 'Proc'; 22use Carp; 23use Socket; 24use Socket6; 25use IO::Socket; 26use IO::Socket::INET6; 27use IO::Socket::SSL; 28use Sys::Syslog qw(:standard :extended :macros); 29 30sub new { 31 my $class = shift; 32 my %args = @_; 33 $args{ktracefile} ||= "client.ktrace"; 34 $args{logfile} ||= "client.log"; 35 $args{up} ||= "Openlog"; 36 my $self = Proc::new($class, %args); 37 if (defined($self->{connectdomain})) { 38 $self->{connectproto} ||= "udp"; 39 } 40 return $self; 41} 42 43sub child { 44 my $self = shift; 45 46 if (defined($self->{connectdomain}) && 47 $self->{connectdomain} ne "sendsyslog") { 48 my $cs; 49 if ($self->{connectdomain} == AF_UNIX) { 50 $cs = IO::Socket::UNIX->new( 51 Type => SOCK_DGRAM, 52 Peer => $self->{connectpath} || "/dev/log", 53 ) or die ref($self), " socket unix failed: $!"; 54 $cs->setsockopt(SOL_SOCKET, SO_SNDBUF, 10000) 55 or die ref($self), " setsockopt failed: $!"; 56 } else { 57 $SSL_ERROR = ""; 58 my $iosocket = $self->{connectproto} eq "tls" ? 59 "IO::Socket::SSL" : "IO::Socket::INET6"; 60 my $proto = $self->{connectproto}; 61 $proto = "tcp" if $proto eq "tls"; 62 $cs = $iosocket->new( 63 Proto => $proto, 64 Domain => $self->{connectdomain}, 65 PeerAddr => $self->{connectaddr}, 66 PeerPort => $self->{connectport}, 67 $self->{sslcert} ? 68 (SSL_cert_file => $self->{sslcert}) : (), 69 $self->{sslkey} ? 70 (SSL_key_file => $self->{sslkey}) : (), 71 $self->{sslca} ? 72 (SSL_ca_file => $self->{sslca}) : (), 73 SSL_verify_mode => ($self->{sslca} ? 74 SSL_VERIFY_PEER : SSL_VERIFY_NONE), 75 $self->{sslversion} ? 76 (SSL_version => $self->{sslversion}) : (), 77 $self->{sslciphers} ? 78 (SSL_cipher_list => $self->{sslciphers}) : (), 79 ) or die ref($self), " $iosocket socket connect ". 80 "failed: $!,$SSL_ERROR"; 81 if ($self->{sndbuf}) { 82 setsockopt($cs, SOL_SOCKET, SO_SNDBUF, 83 pack('i', $self->{sndbuf})) or die 84 ref($self), " set SO_SNDBUF failed: $!"; 85 } 86 if ($self->{rcvbuf}) { 87 setsockopt($cs, SOL_SOCKET, SO_RCVBUF, 88 pack('i', $self->{rcvbuf})) or die 89 ref($self), " set SO_RCVBUF failed: $!"; 90 } 91 print STDERR "connect sock: ",$cs->sockhost()," ", 92 $cs->sockport(),"\n"; 93 print STDERR "connect peer: ",$cs->peerhost()," ", 94 $cs->peerport(),"\n"; 95 if ($self->{connectproto} eq "tls") { 96 print STDERR "ssl version: ", 97 $cs->get_sslversion(),"\n"; 98 print STDERR "ssl cipher: ", 99 $cs->get_cipher(),"\n"; 100 print STDERR "ssl issuer: ", 101 $cs->peer_certificate('issuer'),"\n"; 102 print STDERR "ssl subject: ", 103 $cs->peer_certificate('subject'),"\n"; 104 print STDERR "ssl cn: ", 105 $cs->peer_certificate('cn'),"\n"; 106 } 107 } 108 109 IO::Handle::flush(\*STDOUT); 110 *STDIN = *STDOUT = $self->{cs} = $cs; 111 select(STDOUT); 112 } 113 114 if ($self->{logsock}) { 115 setlogsock($self->{logsock}) 116 or die ref($self), " setlogsock failed: $!"; 117 } 118 # we take LOG_UUCP as it is not used nowadays 119 openlog("syslogd-regress", "perror,pid", LOG_UUCP); 120} 121 1221; 123