package ProFTPD::Tests::Modules::mod_sql_passwd::FIPS;

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

use File::Spec;
use IO::Handle;

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

$| = 1;

my $order = 0;

my $TESTS = {
  sql_passwd_fips_md5_base64 => {
    order => ++$order,
    test_class => [qw(forking)],
  },

  sql_passwd_fips_sha1_base64 => {
    order => ++$order,
    test_class => [qw(forking)],
  },

};

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

sub list_tests {
  return testsuite_get_runnable_tests($TESTS);
}

sub sql_passwd_fips_md5_base64 {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};

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

  my $log_file = test_get_logfile();

  my $user = 'proftpd';

  # I used:
  #
  #  `/bin/echo -n "test" | openssl dgst -binary -md5 | openssl enc -base64`
  #
  # to generate this password.
  my $passwd = 'CY9rzUYh03PK3k6DJie09g==';

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

  my $db_file = File::Spec->rel2abs("$tmpdir/proftpd.db");

  # Build up sqlite3 command to create users, groups tables and populate them
  my $db_script = File::Spec->rel2abs("$tmpdir/proftpd.sql");

  if (open(my $fh, "> $db_script")) {
    print $fh <<EOS;
CREATE TABLE users (
  userid TEXT,
  passwd TEXT,
  uid INTEGER,
  gid INTEGER,
  homedir TEXT,
  shell TEXT
);
INSERT INTO users (userid, passwd, uid, gid, homedir, shell) VALUES ('$user', '$passwd', 500, 500, '$home_dir', '/bin/bash');

CREATE TABLE groups (
  groupname TEXT,
  gid INTEGER,
  members TEXT
);
INSERT INTO groups (groupname, gid, members) VALUES ('$group', 500, '$user');
EOS

    unless (close($fh)) {
      die("Can't write $db_script: $!");
    }

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

  my $cmd = "sqlite3 $db_file < $db_script";

  if ($ENV{TEST_VERBOSE}) {
    print STDERR "Executing sqlite3: $cmd\n";
  }

  my @output = `$cmd`;
  if (scalar(@output) &&
      $ENV{TEST_VERBOSE}) {
    print STDERR "Output: ", join('', @output), "\n";
  }

  my $config = {
    PidFile => $pid_file,
    ScoreboardFile => $scoreboard_file,
    SystemLog => $log_file,

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

      'mod_sql.c' => {
        SQLAuthTypes => 'md5',
        SQLBackend => 'sqlite3',
        SQLConnectInfo => $db_file,
        SQLLogFile => $log_file,
      },

      'mod_sql_passwd.c' => {
        SQLPasswordEngine => 'on',
        SQLPasswordEncoding => 'base64',
      },
    },
  };

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

  # 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 {
      my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port);
      eval { $client->login($user, "test") };
      unless ($@) {
        die("Login succeeded unexpectedly");
      }

      my $resp_code = $client->response_code();
      my $resp_msg = $client->response_msg();

      my $expected;

      $expected = 530;
      $self->assert($expected == $resp_code,
        test_msg("Expected response code $expected, got $resp_code"));

      $expected = "Login incorrect.";
      $self->assert($expected eq $resp_msg,
        test_msg("Expected response message '$expected', got '$resp_msg'"));
    };

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

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

  } else {
    eval { server_wait($config_file, $rfh, { env => { OPENSSL_FIPS => 1 } }) };
    if ($@) {
      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);
}

sub sql_passwd_fips_sha1_base64 {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};

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

  my $log_file = test_get_logfile();

  my $user = 'proftpd';

  # I used:
  #
  #  `/bin/echo -n "test" | openssl dgst -binary -sha1 | openssl enc -base64`
  #
  # to generate this password.
  my $passwd = 'qUqP5cyxm6YcTAhz05Hph5gvu9M=';

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

  my $db_file = File::Spec->rel2abs("$tmpdir/proftpd.db");

  # Build up sqlite3 command to create users, groups tables and populate them
  my $db_script = File::Spec->rel2abs("$tmpdir/proftpd.sql");

  if (open(my $fh, "> $db_script")) {
    print $fh <<EOS;
CREATE TABLE users (
  userid TEXT,
  passwd TEXT,
  uid INTEGER,
  gid INTEGER,
  homedir TEXT,
  shell TEXT
);
INSERT INTO users (userid, passwd, uid, gid, homedir, shell) VALUES ('$user', '$passwd', 500, 500, '$home_dir', '/bin/bash');

CREATE TABLE groups (
  groupname TEXT,
  gid INTEGER,
  members TEXT
);
INSERT INTO groups (groupname, gid, members) VALUES ('$group', 500, '$user');
EOS

    unless (close($fh)) {
      die("Can't write $db_script: $!");
    }

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

  my $cmd = "sqlite3 $db_file < $db_script";

  if ($ENV{TEST_VERBOSE}) {
    print STDERR "Executing sqlite3: $cmd\n";
  }

  my @output = `$cmd`;
  if (scalar(@output) &&
      $ENV{TEST_VERBOSE}) {
    print STDERR "Output: ", join('', @output), "\n";
  }

  my $config = {
    PidFile => $pid_file,
    ScoreboardFile => $scoreboard_file,
    SystemLog => $log_file,

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

      'mod_sql.c' => {
        SQLAuthTypes => 'sha1',
        SQLBackend => 'sqlite3',
        SQLConnectInfo => $db_file,
        SQLLogFile => $log_file,
      },

      'mod_sql_passwd.c' => {
        SQLPasswordEngine => 'on',
        SQLPasswordEncoding => 'base64',
      },
    },
  };

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

  # 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 {
      my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port);
      $client->login($user, "test");

      my $resp_msgs = $client->response_msgs();
      my $nmsgs = scalar(@$resp_msgs);

      my $expected;

      $expected = 1;
      $self->assert($expected == $nmsgs,
        test_msg("Expected $expected, got $nmsgs"));

      $expected = "User proftpd logged in";
      $self->assert($expected eq $resp_msgs->[0],
        test_msg("Expected '$expected', got '$resp_msgs->[0]'"));

    };

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

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

  } else {
    eval { server_wait($config_file, $rfh, { env => { OPENSSL_FIPS => 1 } }) };
    if ($@) {
      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;
