IPv6 and SSL support for Net::NNTP

2 files changed, 189 insertions, 0 deletions

diff --git a/t/nntp_ipv6.t b/t/nntp_ipv6.t
new file mode 100644
index 0000000..62167b9
--- /dev/null
+++ b/t/nntp_ipv6.t
@@ -0,0 +1,62 @@
+#!perl
+
+use 5.008001;
+
+use strict;
+use warnings;
+
+use File::Temp 'tempfile';
+use Net::NNTP;
+use Test::More;
+
+my $debug = 0; # Net::NNTP->new( Debug => .. )
+
+my $inet6class = Net::NNTP->can_inet6;
+plan skip_all => "no IPv6 support found in Net::NNTP" if ! $inet6class;
+
+plan skip_all => "fork not supported on this platform"
+  if grep { $^O =~m{$_} } qw(MacOS VOS vmesa riscos amigaos);
+
+my $srv = $inet6class->new(
+  LocalAddr => '::1',
+  Listen => 10
+);
+plan skip_all => "cannot create listener on ::1: $!" if ! $srv;
+my $host = $srv->sockhost;
+my $port = $srv->sockport;
+diag("server on $host port $port");
+
+plan tests => 1;
+
+defined( my $pid = fork()) or die "fork failed: $!";
+exit(nntp_server()) if ! $pid;
+
+my $cl = Net::NNTP->new(Host => $host, Port => $port,, Debug => $debug);
+diag("created Net::NNTP object");
+if (!$cl) {
+  fail("IPv6 NNTP connect failed");
+} else {
+  $cl->quit;
+  pass("IPv6 success");
+}
+wait;
+
+sub nntp_server {
+  my $ssl = shift;
+  my $cl = $srv->accept or die "accept failed: $!";
+  print $cl "200 nntp.example.com\r\n";
+  while (<$cl>) {
+    my ($cmd,$arg) = m{^(\S+)(?: +(.*))?\r\n} or die $_;
+    $cmd = uc($cmd);
+    if ($cmd eq 'QUIT' ) {
+      print $cl "205 bye\r\n";
+      last;
+    } elsif ( $cmd eq 'MODE' ) {
+      print $cl "201 Posting denied\r\n";
+    } else {
+      diag("received unknown command: $cmd");
+      print "500 unknown cmd\r\n";
+    }
+  }
+  diag("NNTP dialog done");
+}
diff --git a/t/nntp_ssl.t b/t/nntp_ssl.t
new file mode 100644
index 0000000..e4b4bcb
--- /dev/null
+++ b/t/nntp_ssl.t
@@ -0,0 +1,127 @@
+#!perl
+
+use 5.008001;
+
+use strict;
+use warnings;
+
+use File::Temp 'tempfile';
+use Net::NNTP;
+use Test::More;
+
+my $debug = 0; # Net::NNTP Debug => ..
+
+my $parent = 0;
+
+plan skip_all => "no SSL support found in Net::NNTP" if ! Net::NNTP->can_ssl;
+
+plan skip_all => "fork not supported on this platform"
+  if grep { $^O =~m{$_} } qw(MacOS VOS vmesa riscos amigaos);
+
+plan skip_all => "incomplete or version of IO::Socket::SSL"
+  if ! eval { require IO::Socket::SSL::Utils };
+
+my $srv = IO::Socket::INET->new(
+  LocalAddr => '127.0.0.1',
+  Listen => 10
+);
+plan skip_all => "cannot create listener on localhost: $!" if ! $srv;
+my $host = $srv->sockhost;
+my $port = $srv->sockport;
+
+plan tests => 2;
+
+my ($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 => 'nntp.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: $!";
+  exit(nntp_server($ssl)) if ! $pid;
+  nntp_client($ssl);
+  wait;
+}
+
+
+sub nntp_client {
+  my $ssl = shift;
+  my %sslopt = (
+    SSL_verifycn_name => 'nntp.example.com',
+    SSL_ca_file => $cafile
+  );
+  $sslopt{SSL} = 1 if $ssl;
+  my $cl = Net::NNTP->new(
+    Host => $host,
+    Port => $port,
+    Debug => $debug,
+    %sslopt,
+  );
+  diag("created Net::NNTP object");
+  if (!$cl) {
+    fail( ($ssl ? "SSL ":"" )."NNTP connect failed");
+  } elsif ($ssl) {
+    $cl->quit;
+    pass("SSL NNTP connect success");
+  } elsif ( ! $cl->starttls ) {
+    no warnings 'once';
+    fail("starttls failed: $IO::Socket::SSL::SSL_ERROR");
+  } else {
+    $cl->quit;
+    pass("starttls success");
+  }
+}
+
+sub nntp_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 $cl "200 nntp.example.com\r\n";
+  while (<$cl>) {
+    my ($cmd,$arg) = m{^(\S+)(?: +(.*))?\r\n} or die $_;
+    $cmd = uc($cmd);
+    if ($cmd eq 'QUIT' ) {
+      print $cl "205 bye\r\n";
+      last;
+    } elsif ( $cmd eq 'MODE' ) {
+      print $cl "201 Posting denied\r\n";
+    } elsif ( ! $ssl and $cmd eq 'STARTTLS' ) {
+      print $cl "382 Continue with TLS negotiation\r\n";
+      if ( ! IO::Socket::SSL->start_SSL($cl, %sslargs)) {
+        diag("initial ssl handshake with client failed");
+        return;
+      }
+      $ssl = 1;
+    } else {
+      diag("received unknown command: $cmd");
+      print "500 unknown cmd\r\n";
+    }
+  }
+
+  diag("NNTP dialog done");
+}