summaryrefslogtreecommitdiff
path: root/cpan/libnet/t/pop3_ssl.t
blob: 12d31ecc58b04f87b320ca3ce88ab79147381ead (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#!perl

use 5.008001;

use strict;
use warnings;

use Test::More;

BEGIN {
    if (!eval { require Socket }) {
        plan skip_all => "no Socket";
    }
    elsif (ord('A') == 193 && !eval { require Convert::EBCDIC }) {
        plan skip_all => "EBCDIC but no Convert::EBCDIC";
    }
}

use Config;
use File::Temp 'tempfile';
use Net::POP3;

my $debug = 0; # Net::POP3 Debug => ..

my $parent = 0;

plan skip_all => "no SSL support found in Net::POP3" if ! Net::POP3->can_ssl;

plan skip_all => "fork not supported on this platform"
  unless $Config::Config{d_fork} || $Config::Config{d_pseudofork} ||
    (($^O eq 'MSWin32' || $^O eq 'NetWare') and
     $Config::Config{useithreads} and
     $Config::Config{ccflags} =~ /-DPERL_IMPLICIT_SYS/);

my $srv = IO::Socket::INET->new(
  LocalAddr => '127.0.0.1',
  Listen => 10
);
plan skip_all => "cannot create listener on localhost: $!" if ! $srv;
my $saddr = $srv->sockhost.':'.$srv->sockport;

plan tests => 2;

require IO::Socket::SSL::Utils;
my ($ca,$key) = IO::Socket::SSL::Utils::CERT_create( CA => 1 );
my ($fh,$cafile) = tempfile();
print $fh IO::Socket::SSL::Utils::PEM_cert2string($ca);
close($fh);

$parent = $$;
END { unlink($cafile) if $$ == $parent }

my ($cert) = IO::Socket::SSL::Utils::CERT_create(
  subject => { CN => 'pop3.example.com' },
  issuer_cert => $ca, issuer_key => $key,
  key => $key
);

test(1); # direct ssl
test(0); # starttls


sub test {
  my $ssl = shift;
  defined( my $pid = fork()) or die "fork failed: $!";
  exit(pop3_server($ssl)) if ! $pid;
  pop3_client($ssl);
  wait;
}


sub pop3_client {
  my $ssl = shift;
  my %sslopt = (
    SSL_verifycn_name => 'pop3.example.com',
    SSL_ca_file => $cafile
  );
  $sslopt{SSL} = 1 if $ssl;
  my $cl = Net::POP3->new($saddr, %sslopt, Debug => $debug);
  note("created Net::POP3 object");
  if (!$cl) {
    fail( ($ssl ? "SSL ":"" )."POP3 connect failed");
  } elsif ($ssl) {
    $cl->quit;
    pass("SSL POP3 connect success");
  } elsif ( ! $cl->starttls ) {
    no warnings 'once';
    fail("starttls failed: $IO::Socket::SSL::SSL_ERROR");
  } else {
    $cl->quit;
    pass("starttls success");
  }
}

sub pop3_server {
  my $ssl = shift;
  my $cl = $srv->accept or die "accept failed: $!";
  my %sslargs = (
    SSL_server => 1,
    SSL_cert => $cert,
    SSL_key => $key,
  );
  if ( $ssl ) {
    if ( ! IO::Socket::SSL->start_SSL($cl, %sslargs)) {
      diag("initial ssl handshake with client failed");
      return;
    }
  }

  print $cl "+OK localhost ready\r\n";
  while (<$cl>) {
    my ($cmd,$arg) = m{^(\S+)(?: +(.*))?\r\n} or die $_;
    $cmd = uc($cmd);
    if ($cmd eq 'QUIT' ) {
      print $cl "+OK bye\r\n";
      last;
    } elsif ( $cmd eq 'CAPA' ) {
      print $cl "+OK\r\n".
        ( $ssl ? "" : "STLS\r\n" ).
        ".\r\n";
    } elsif ( ! $ssl and $cmd eq 'STLS' ) {
      print $cl "+OK starting ssl\r\n";
      if ( ! IO::Socket::SSL->start_SSL($cl, %sslargs)) {
        diag("initial ssl handshake with client failed");
        return;
      }
      $ssl = 1;
    } else {
      diag("received unknown command: $cmd");
      print "-ERR unknown cmd\r\n";
    }
  }

  note("POP3 dialog done");
}