File: redis.pm

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proftpd-mod-proxy 0.9.5-1
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package ProFTPD::Tests::Modules::mod_proxy::tls::redis;

use lib qw(t/lib);
use base qw(ProFTPD::TestSuite::Child);
use strict;

use Carp;
use File::Copy;
use File::Path qw(mkpath);
use File::Spec;
use IO::Handle;
use IO::Socket::INET;
use Time::HiRes qw(gettimeofday tv_interval usleep);

use ProFTPD::TestSuite::FTP;
use ProFTPD::TestSuite::Utils qw(:auth :config :running :test :testsuite);

$| = 1;

my $order = 0;

my $TESTS = {
  proxy_reverse_backend_tls_login_redis_cached_session => {
    order => ++$order,
    test_class => [qw(forking mod_redis mod_tls mod_tls_shmcache reverse)],
  },

  proxy_reverse_backend_tls_login_redis_cached_ticket => {
    order => ++$order,
    test_class => [qw(forking mod_redis mod_tls reverse)],
  },

};

sub new {
  return shift()->SUPER::new(@_);
}

sub list_tests {
  return testsuite_get_runnable_tests($TESTS);
}

sub get_reverse_proxy_config {
  my $tmpdir = shift;
  my $log_file = shift;
  my $vhost_port = shift;

  my $table_dir = File::Spec->rel2abs("$tmpdir/var/proxy");

  my $config = {
    ProxyEngine => 'on',
    ProxyLog => $log_file,
    ProxyReverseServers => "ftp://127.0.0.1:$vhost_port",
    ProxyRole => 'reverse',
    ProxyTables => $table_dir,
  };

  return $config;
}

# TODO: Note that this test is used for manually reviewing the generated logs;
# it does NOT currently fail if session caching fails (although it should).
sub proxy_reverse_backend_tls_login_redis_cached_session {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};

  my $config_file = "$tmpdir/proxy.conf";
  my $pid_file = File::Spec->rel2abs("$tmpdir/proxy.pid");
  my $scoreboard_file = File::Spec->rel2abs("$tmpdir/proxy.scoreboard");

  my $log_file = test_get_logfile();

  my $auth_user_file = File::Spec->rel2abs("$tmpdir/proxy.passwd");
  my $auth_group_file = File::Spec->rel2abs("$tmpdir/proxy.group");

  my $user = 'proftpd';
  my $passwd = 'test';
  my $group = 'ftpd';
  my $home_dir = File::Spec->rel2abs($tmpdir);
  my $uid = 500;
  my $gid = 500;

  # Make sure that, if we're running as root, that the home directory has
  # permissions/privs set for the account we create
  if ($< == 0) {
    unless (chmod(0755, $home_dir)) {
      die("Can't set perms on $home_dir to 0755: $!");
    }

    unless (chown($uid, $gid, $home_dir)) {
      die("Can't set owner of $home_dir to $uid/$gid: $!");
    }
  }

  auth_user_write($auth_user_file, $user, $passwd, $uid, $gid, $home_dir,
    '/bin/bash');
  auth_group_write($auth_group_file, $group, $gid, $user);

  my $cert_file = File::Spec->rel2abs("$ENV{PROFTPD_TEST_DIR}/t/etc/modules/mod_tls/server-cert.pem");
  my $ca_file = File::Spec->rel2abs("$ENV{PROFTPD_TEST_DIR}/t/etc/modules/mod_tls/ca-cert.pem");
  my $cache_file = File::Spec->rel2abs("$tmpdir/tls-shmcache.dat");

  my $vhost_port = ProFTPD::TestSuite::Utils::get_high_numbered_port();
  $vhost_port += 12;

  my $proxy_config = get_reverse_proxy_config($tmpdir, $log_file, $vhost_port);
  $proxy_config->{ProxyDatastore} = 'Redis mod_proxy.testsuite.';
  $proxy_config->{ProxyTLSEngine} = 'auto';
  $proxy_config->{ProxyTLSCACertificateFile} = $ca_file;

  if ($ENV{TEST_VERBOSE}) {
    $proxy_config->{ProxyTLSOptions} = 'EnableDiags';
  }

  my $redis_server = '127.0.0.1';
  if (defined($ENV{REDIS_HOST})) {
    $redis_server = $ENV{REDIS_HOST};
  }

  my $config = {
    PidFile => $pid_file,
    ScoreboardFile => $scoreboard_file,
    SystemLog => $log_file,
    TraceLog => $log_file,
    Trace => 'DEFAULT:10 event:0 lock:0 scoreboard:0 signal:0 redis:20 proxy:20 proxy.db:20 proxy.netio:20 proxy.tls:20 proxy.tls.redis:20 proxy.ftp.conn:20 proxy.ftp.ctrl:20 proxy.ftp.data:20 proxy.ftp.msg:20 proxy.ftp.sess:20',

    AuthUserFile => $auth_user_file,
    AuthGroupFile => $auth_group_file,
    SocketBindTight => 'on',

    IfModules => {
      'mod_proxy.c' => $proxy_config,

      'mod_delay.c' => {
        DelayEngine => 'off',
      },

      'mod_redis.c' => {
        RedisEngine => 'on',
        RedisServer => "$redis_server:6379",
        RedisTimeouts => '2000 500',
        RedisLog => $log_file,
      },

      'mod_tls_shmcache.c' => {
        TLSSessionCache => "shm:/file=$cache_file",
      },
    },

    Limit => {
      LOGIN => {
        DenyUser => $user,
      },
    },
  };

  my ($port, $config_user, $config_group) = config_write($config_file, $config);

  if (open(my $fh, ">> $config_file")) {
    print $fh <<EOC;
<VirtualHost 127.0.0.1>
  Port $vhost_port
  ServerName "Real Server"

  AuthUserFile $auth_user_file
  AuthGroupFile $auth_group_file
  AuthOrder mod_auth_file.c

  AllowOverride off
  WtmpLog off
  TransferLog none

  <IfModule mod_tls.c>
    TLSEngine on
    TLSLog $log_file
    TLSRequired on
    TLSRSACertificateFile $cert_file
    TLSCACertificateFile $ca_file
  </IfModule>
</VirtualHost>
EOC
    unless (close($fh)) {
      die("Can't write $config_file: $!");
    }

  } else {
    die("Can't open $config_file: $!");
  }

  # Open pipes, for use between the parent and child processes.  Specifically,
  # the child will indicate when it's done with its test by writing a message
  # to the parent.
  my ($rfh, $wfh);
  unless (pipe($rfh, $wfh)) {
    die("Can't open pipe: $!");
  }

  my $ex;

  # Fork child
  $self->handle_sigchld();
  defined(my $pid = fork()) or die("Can't fork: $!");
  if ($pid) {
    eval {
      # Give the server a chance to start up
      sleep(2);

      for (my $i = 0; $i < 3; $i++) {
        my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port);
        $client->login($user, $passwd);
        $client->quit();
      }
    };

    if ($@) {
      $ex = $@;
    }

    $wfh->print("done\n");
    $wfh->flush();

  } else {
    eval { server_wait($config_file, $rfh) };
    if ($@) {
      warn($@);
      exit 1;
    }

    exit 0;
  }

  # Stop server
  server_stop($pid_file);

  $self->assert_child_ok($pid);

  if ($ex) {
    test_append_logfile($log_file, $ex);
    unlink($log_file);

    die($ex);
  }

  unlink($log_file);
}

# TODO: Note that this test is used for manually reviewing the generated logs;
# it does NOT currently fail if ticket caching fails (although it should).
sub proxy_reverse_backend_tls_login_redis_cached_ticket {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};

  my $config_file = "$tmpdir/proxy.conf";
  my $pid_file = File::Spec->rel2abs("$tmpdir/proxy.pid");
  my $scoreboard_file = File::Spec->rel2abs("$tmpdir/proxy.scoreboard");

  my $log_file = test_get_logfile();

  my $auth_user_file = File::Spec->rel2abs("$tmpdir/proxy.passwd");
  my $auth_group_file = File::Spec->rel2abs("$tmpdir/proxy.group");

  my $user = 'proftpd';
  my $passwd = 'test';
  my $group = 'ftpd';
  my $home_dir = File::Spec->rel2abs($tmpdir);
  my $uid = 500;
  my $gid = 500;

  # Make sure that, if we're running as root, that the home directory has
  # permissions/privs set for the account we create
  if ($< == 0) {
    unless (chmod(0755, $home_dir)) {
      die("Can't set perms on $home_dir to 0755: $!");
    }

    unless (chown($uid, $gid, $home_dir)) {
      die("Can't set owner of $home_dir to $uid/$gid: $!");
    }
  }

  auth_user_write($auth_user_file, $user, $passwd, $uid, $gid, $home_dir,
    '/bin/bash');
  auth_group_write($auth_group_file, $group, $gid, $user);

  my $cert_file = File::Spec->rel2abs("$ENV{PROFTPD_TEST_DIR}/t/etc/modules/mod_tls/server-cert.pem");
  my $ca_file = File::Spec->rel2abs("$ENV{PROFTPD_TEST_DIR}/t/etc/modules/mod_tls/ca-cert.pem");
  my $cache_file = File::Spec->rel2abs("$tmpdir/tls-shmcache.dat");

  my $vhost_port = ProFTPD::TestSuite::Utils::get_high_numbered_port();
  $vhost_port += 12;

  my $proxy_config = get_reverse_proxy_config($tmpdir, $log_file, $vhost_port);
  $proxy_config->{ProxyDatastore} = 'Redis mod_proxy.testsuite.';
  $proxy_config->{ProxyTLSEngine} = 'auto';
  $proxy_config->{ProxyTLSCACertificateFile} = $ca_file;

  if ($ENV{TEST_VERBOSE}) {
    $proxy_config->{ProxyTLSOptions} = 'EnableDiags NoSessionCache';
  }

  my $redis_server = '127.0.0.1';
  if (defined($ENV{REDIS_HOST})) {
    $redis_server = $ENV{REDIS_HOST};
  }

  my $config = {
    PidFile => $pid_file,
    ScoreboardFile => $scoreboard_file,
    SystemLog => $log_file,
    TraceLog => $log_file,
    Trace => 'DEFAULT:10 event:0 lock:0 scoreboard:0 signal:0 redis:20 proxy:20 proxy.db:20 proxy.netio:20 proxy.tls:20 proxy.tls.redis:20 proxy.ftp.conn:20 proxy.ftp.ctrl:20 proxy.ftp.data:20 proxy.ftp.msg:20 proxy.ftp.sess:20 tls:20',

    AuthUserFile => $auth_user_file,
    AuthGroupFile => $auth_group_file,
    SocketBindTight => 'on',

    IfModules => {
      'mod_proxy.c' => $proxy_config,

      'mod_delay.c' => {
        DelayEngine => 'off',
      },

      'mod_redis.c' => {
        RedisEngine => 'on',
        RedisServer => "$redis_server:6379",
        RedisTimeouts => '2000 500',
        RedisLog => $log_file,
      },
    },

    Limit => {
      LOGIN => {
        DenyUser => $user,
      },
    },
  };

  my ($port, $config_user, $config_group) = config_write($config_file, $config);

  if (open(my $fh, ">> $config_file")) {
    print $fh <<EOC;
<IfModule mod_tls.c>
  # Recommended practice is to diable server-side session caching entirely,
  # if you are going to use client-side session tickets.  Why?  It
  # reduces the number of places where a session's master secret are held
  # in memory for "long" periods of time.
  TLSSessionCache off
</IfModule>

<VirtualHost 127.0.0.1>
  Port $vhost_port
  ServerName "Real Server"

  AuthUserFile $auth_user_file
  AuthGroupFile $auth_group_file
  AuthOrder mod_auth_file.c

  AllowOverride off
  WtmpLog off
  TransferLog none

  <IfModule mod_tls.c>
    TLSEngine on
    TLSLog $log_file
    TLSRequired on
    TLSRSACertificateFile $cert_file
    TLSCACertificateFile $ca_file
    TLSSessionTickets on
    TLSStapling on
    TLSOptions EnableDiags
  </IfModule>
</VirtualHost>
EOC
    unless (close($fh)) {
      die("Can't write $config_file: $!");
    }

  } else {
    die("Can't open $config_file: $!");
  }

  # Open pipes, for use between the parent and child processes.  Specifically,
  # the child will indicate when it's done with its test by writing a message
  # to the parent.
  my ($rfh, $wfh);
  unless (pipe($rfh, $wfh)) {
    die("Can't open pipe: $!");
  }

  my $ex;

  # Fork child
  $self->handle_sigchld();
  defined(my $pid = fork()) or die("Can't fork: $!");
  if ($pid) {
    eval {
      # Give the server a chance to start up
      sleep(2);

      for (my $i = 0; $i < 3; $i++) {
        my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port, undef, 1);
        $client->login($user, $passwd);
        $client->list();
        $client->quit();
      }
    };

    if ($@) {
      $ex = $@;
    }

    $wfh->print("done\n");
    $wfh->flush();

  } else {
    eval { server_wait($config_file, $rfh) };
    if ($@) {
      warn($@);
      exit 1;
    }

    exit 0;
  }

  # Stop server
  server_stop($pid_file);

  $self->assert_child_ok($pid);

  if ($ex) {
    test_append_logfile($log_file, $ex);
    unlink($log_file);

    die($ex);
  }

  unlink($log_file);
}

1;