X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/b3200ced2a89fa536907e70e67f80860d1df20b6..a79d883474c84fa2a286b7797a7664b599912fcd:/test/runtest

diff --git a/test/runtest b/test/runtest
index b8e97024d..46c9871d0 100755
--- a/test/runtest
+++ b/test/runtest
@@ -16,9 +16,9 @@
 ###############################################################################
 
 #use strict;
-use 5.010;
-use feature 'state';	# included in 5.010
+use v5.10.1;
 use warnings;
+use if $^V >= v5.19.11, experimental => 'smartmatch';
 
 use Errno;
 use FileHandle;
@@ -26,12 +26,19 @@ use Socket;
 use Time::Local;
 use Cwd;
 use File::Basename;
+use Pod::Usage;
+use Getopt::Long;
 use FindBin qw'$RealBin';
 
 use lib "$RealBin/lib";
 use Exim::Runtest;
+use Exim::Utils qw(uniq numerically);
 
-use if $ENV{DEBUG} && $ENV{DEBUG} =~ /\bruntest\b/ => ('Smart::Comments' => '####');
+use if $ENV{DEBUG} && scalar($ENV{DEBUG} =~ /\bruntest\b/) => 'Smart::Comments' => '####';
+use if $ENV{DEBUG} && scalar($ENV{DEBUG} =~ /\bruntest\b/) => 'Data::Dumper';
+
+use constant TEST_TOP => 8999;
+use constant TEST_SPECIAL_TOP => 9999;
 
 
 # Start by initializing some global variables
@@ -50,27 +57,25 @@ my $cf = 'bin/cf -exact';
 my $cr = "\r";
 my $debug = 0;
 my $flavour = do {
-  my $f = Exim::Runtest::flavour();
+  my $f = Exim::Runtest::flavour() // '';
   (grep { $f eq $_ } Exim::Runtest::flavours()) ? $f : 'FOO';
 };
 my $force_continue = 0;
 my $force_update = 0;
 my $log_failed_filename = 'failed-summary.log';
+my $log_summary_filename = 'run-summary.log';
 my $more = 'less -XF';
 my $optargs = '';
 my $save_output = 0;
 my $server_opts = '';
+my $slow = 0;
 my $valgrind = 0;
 
 my $have_ipv4 = 1;
 my $have_ipv6 = 1;
 my $have_largefiles = 0;
 
-my $test_start = 1;
-my $test_end = $test_top = 8999;
-my $test_special_top = 9999;
 my @test_list = ();
-my @test_dirs = ();
 
 
 # Networks to use for DNS tests. We need to choose some networks that will
@@ -357,6 +362,7 @@ open(IN, "$file") || tests_exit(-1, "Failed to open $file: $!");
 my($is_log) = $file =~ /log/;
 my($is_stdout) = $file =~ /stdout/;
 my($is_stderr) = $file =~ /stderr/;
+my($is_mail) = $file =~ /mail/;
 
 # Date pattern
 
@@ -419,12 +425,6 @@ RESET_AFTER_EXTRA_LINE_READ:
   s?prvs=([^/]+)/[\da-f]{10}@?prvs=$1/xxxxxxxxxx@?g;    # Old form
   s?prvs=[\da-f]{10}=([^@]+)@?prvs=xxxxxxxxxx=$1@?g;    # New form
 
-  # Error lines on stdout from SSL contain process id values and file names.
-  # They also contain a source file name and line number, which may vary from
-  # release to release.
-  s/^\d+:error:/pppp:error:/;
-  s/:(?:\/[^\s:]+\/)?([^\/\s]+\.c):\d+:/:$1:dddd:/;
-
   # There are differences in error messages between OpenSSL versions
   s/SSL_CTX_set_cipher_list/SSL_connect/;
 
@@ -487,9 +487,13 @@ RESET_AFTER_EXTRA_LINE_READ:
     /Tue, 2 Mar 1999 09:44:33 +0000/gx;
 
   # Date/time in logs and in one instance of a filter test
-  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d(\s[+-]\d\d\d\d)?/1999-03-02 09:44:33/gx;
+  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d(\s[+-]\d\d\d\d)?\s/1999-03-02 09:44:33 /gx;
+  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\.\d{3}(\s[+-]\d\d\d\d)?\s/2017-07-30 18:51:05.712 /gx;
   s/^Logwrite\s"\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Logwrite "1999-03-02 09:44:33/gx;
 
+  s/((D|[QD]T)=)\d+s/$1qqs/g;
+  s/((D|[QD]T)=)\d\.\d{3}s/$1q.qqqs/g;
+
   # Date/time in message separators
   s/(?:[A-Z][a-z]{2}\s){2}\d\d\s\d\d:\d\d:\d\d\s\d\d\d\d
     /Tue Mar 02 09:44:33 1999/gx;
@@ -517,9 +521,6 @@ RESET_AFTER_EXTRA_LINE_READ:
   # Date/time in exim -bV output
   s/\d\d-[A-Z][a-z]{2}-\d{4}\s\d\d:\d\d:\d\d/07-Mar-2000 12:21:52/g;
 
-  # Time on queue tolerance
-  s/(QT|D)=1s/$1=0s/;
-
   # Eximstats heading
   s/Exim\sstatistics\sfrom\s\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\sto\s
     \d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Exim statistics from <time> to <time>/x;
@@ -571,8 +572,8 @@ RESET_AFTER_EXTRA_LINE_READ:
   #   DHE-RSA-AES256-SHA
   # picking latter as canonical simply because regex easier that way.
   s/\bDHE_RSA_AES_128_CBC_SHA1:128/RSA_AES_256_CBC_SHA1:256/g;
-  s/TLS1.[012]:((EC)?DHE_)?RSA_AES_(256|128)_(CBC|GCM)_SHA(1|256|384):(256|128)/TLS1.x:xxxxRSA_AES_256_CBC_SHAnnn:256/g;
-  s/\b(ECDHE-RSA-AES256-SHA|DHE-RSA-AES256-SHA256)\b/AES256-SHA/g;
+  s/TLS1.[012]:((EC)?DHE_)?(RSA|ECDSA)_AES_(256|128)_(CBC|GCM)_SHA(1|256|384):(256|128)/TLS1.x:ke_$3_AES_256_CBC_SHAnnn:256/g;
+  s/\b(ECDHE-(RSA|ECDSA)-AES256-SHA|DHE-RSA-AES256-SHA256)\b/ke-$2-AES256-SHAxx/g;
 
   # GnuTLS library error message changes
   s/No certificate was found/The peer did not send any certificate/g;
@@ -804,7 +805,10 @@ RESET_AFTER_EXTRA_LINE_READ:
   # numbers, or handle specific bad conditions in different ways, leading to
   # different wording in the error messages, so we cannot compare them.
 
-  s/(TLS error on connection (?:from .* )?\(SSL_\w+\): error:)(.*)/$1 <<detail omitted>>/;
+#XXX This loses any trailing "deliving unencypted to" which is unfortunate
+#    but I can't work out how to deal with that.
+  s/(TLS session: \(SSL_\w+\): error:)(.*)(?!: delivering)/$1 <<detail omitted>>/;
+  s/(TLS error on connection from .* \(SSL_\w+\): error:)(.*)/$1 <<detail omitted>>/;
   next if /SSL verify error: depth=0 error=certificate not trusted/;
 
   # ======== Maildir things ========
@@ -888,15 +892,29 @@ RESET_AFTER_EXTRA_LINE_READ:
         }
       }
 
+    # remote IPv6 addrs vary
+    s/^(Connection request from) \[.*:.*:.*\]$/$1 \[ipv6\]/;
+
     # openssl version variances
-    next if /^SSL info: unknown state/;
-    next if /^SSL info: SSLv2\/v3 write client hello A/;
-    next if /^SSL info: SSLv3 read server key exchange A/;
+  # Error lines on stdout from SSL contain process id values and file names.
+  # They also contain a source file name and line number, which may vary from
+  # release to release.
+
+    next if /^SSL info:/;
     next if /SSL verify error: depth=0 error=certificate not trusted/;
     s/SSL3_READ_BYTES/ssl3_read_bytes/i;
+    s/CONNECT_CR_FINISHED/ssl3_read_bytes/i;
+    s/^\d+:error:\d+(?:E\d+)?(:SSL routines:ssl3_read_bytes:[^:]+:).*(:SSL alert number \d\d)$/pppp:error:dddddddd$1\[...\]$2/;
 
     # gnutls version variances
     next if /^Error in the pull function./;
+
+    # optional IDN2 variant conversions.  Accept either IDN1 or IDN2
+    s/conversion  strasse.de/conversion  xn--strae-oqa.de/;
+    s/conversion: german.xn--strae-oqa.de/conversion: german.straße.de/;
+
+    # subsecond timstamp info in reported header-files
+    s/^(-received_time_usec \.)\d{6}$/$1uuuuuu/;
     }
 
   # ======== stderr ========
@@ -907,15 +925,19 @@ RESET_AFTER_EXTRA_LINE_READ:
 
     s/^Exim version .*/Exim version x.yz ..../;
 
-    # Debugging lines for Exim terminations
+    # Debugging lines for Exim terminations and process-generation
 
     s/(?<=^>>>>>>>>>>>>>>>> Exim pid=)\d+(?= terminating)/pppp/;
+    s/^(proxy-proc \w{5}-pid) \d+$/$1 pppp/;
 
     # IP address lookups use gethostbyname() when IPv6 is not supported,
     # and gethostbyname2() or getipnodebyname() when it is.
 
     s/\b(gethostbyname2?|\bgetipnodebyname)(\(af=inet\))?/get[host|ipnode]byname[2]/;
 
+    # we don't care what TZ enviroment the testhost was running
+    next if /^Reset TZ to/;
+
     # drop gnutls version strings
     next if /GnuTLS compile-time version: \d+[\.\d]+$/;
     next if /GnuTLS runtime version: \d+[\.\d]+$/;
@@ -962,7 +984,7 @@ RESET_AFTER_EXTRA_LINE_READ:
     }
     next if /^tls_validate_require_cipher child \d+ ended: status=0x0/;
 
-    # We invoke Exim with -D, so we hit this new messag as of Exim 4.73:
+    # We invoke Exim with -D, so we hit this new message as of Exim 4.73:
     next if /^macros_trusted overridden to true by whitelisting/;
 
     # We have to omit the localhost ::1 address so that all is well in
@@ -1064,9 +1086,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     if (s/(with \$received_protocol)\}\} \$\{if def:tls_cipher \{\(\$tls_cipher\)\n$/$1/)
       {
       $_ .= <IN>;
-      s/\s+\}\}(?=\(Exim )/\}\} /;
+      s/[\s╎]+\}\}(?=\(Exim )/\}\} /;
       }
-    if (/^  condition: def:tls_cipher$/)
+    if (/^ ├──condition: def:tls_cipher$/)
       {
       <IN>; <IN>; <IN>; <IN>; <IN>; <IN>;
       <IN>; <IN>; <IN>; <IN>; <IN>; next;
@@ -1075,16 +1097,28 @@ RESET_AFTER_EXTRA_LINE_READ:
     # Not all platforms build with DKIM enabled
     next if /^PDKIM >> Body data for hash, canonicalized/;
 
+    # Not all platforms have sendfile support
+    next if /^cannot use sendfile for body: no support$/;
+
+    #  Parts of DKIM-specific debug output depend on the time/date
+    next if /^date:\w+,\{SP\}/;
+    next if /^PDKIM \[[^[]+\] (Header hash|b) computed:/;
+
     # Not all platforms support TCP Fast Open, and the compile omits the check
     if (s/\S+ in hosts_try_fastopen\? no \(option unset\)\n$//)
       {
       $_ .= <IN>;
       s/ \.\.\. >>> / ... /;
+      s/Address family not supported by protocol family/Network Error/;
       s/Network is unreachable/Network Error/;
       }
 
     next if /^(ppppp )?setsockopt FASTOPEN: Protocol not available$/;
 
+    # Specific pointer values reported for DB operations change from run to run
+    s/^(returned from EXIM_DBOPEN: )(0x)?[0-9a-f]+/${1}0xAAAAAAAA/;
+    s/^(EXIM_DBCLOSE.)(0x)?[0-9a-f]+/${1}0xAAAAAAAA/;
+
     # When Exim is checking the size of directories for maildir, it uses
     # the check_dir_size() function to scan directories. Of course, the order
     # of the files that are obtained using readdir() varies from system to
@@ -1136,6 +1170,12 @@ RESET_AFTER_EXTRA_LINE_READ:
     {
     # Berkeley DB version differences
     next if / Berkeley DB error: /;
+
+    # CHUNKING: exact sizes depend on hostnames in headers
+    s/(=>.* K C="250- \d)\d+ (byte chunk, total \d)\d+/$1nn $2nn/;
+
+    # openssl version variances
+    s/(TLS error on connection [^:]*: error:)[0-9A-F]{8}(:system library):(?:fopen|func\(4095\)):(No such file or directory)$/$1xxxxxxxx$2:fopen:$3/;
     }
 
   # ======== All files other than stderr ========
@@ -1203,6 +1243,15 @@ sub log_failure {
         . "failed\n";
 }
 
+# Computer-readable summary results logfile
+
+sub log_test {
+  my ($logfile, $testno, $resultchar) = @_;
+
+  open(my $fh, '>>', $logfile) or return;
+  print $fh "$testno $resultchar\n";
+}
+
 
 
 ##################################################
@@ -1220,8 +1269,9 @@ sub log_failure {
 #             [4] TRUE if this is a log file whose deliveries must be sorted
 #             [5] optionally, a custom munge command
 #
-# Returns:    0 comparison succeeded or differences to be ignored
-#             1 comparison failed; files may have been updated (=> re-compare)
+# Returns:    0 comparison succeeded
+#             1 comparison failed; differences to be ignored
+#             2 comparison failed; files may have been updated (=> re-compare)
 #
 # Does not return if the user replies "Q" to a prompt.
 
@@ -1249,9 +1299,12 @@ if (! -e $sf_current)
     {
     $_ = interact('Continue, Show, or Quit? [Q] ', undef, $force_continue);
     tests_exit(1) if /^q?$/;
-    log_failure($log_failed_filename, $testno, $rf) if (/^c$/ && $force_continue);
-    return 0 if /^c$/i;
-    last if (/^s$/);
+    if (/^c$/ && $force_continue) {
+      log_failure($log_failed_filename, $testno, $rf);
+      log_test($log_summary_filename, $testno, 'F') if ($force_continue);
+    }
+    return 1 if /^c$/i && $rf !~ /paniclog/ && $rsf !~ /paniclog/;
+    last if (/^[sc]$/);
     }
 
   foreach $f ($rf, $rsf)
@@ -1270,8 +1323,11 @@ if (! -e $sf_current)
     {
     $_ = interact('Continue, Update & retry, Quit? [Q] ', $force_update, $force_continue);
     tests_exit(1) if /^q?$/;
-    log_failure($log_failed_filename, $testno, $rsf) if (/^c$/ && $force_continue);
-    return 0 if /^c$/i;
+    if (/^c$/ && $force_continue) {
+      log_failure($log_failed_filename, $testno, $rf);
+      log_test($log_summary_filename, $testno, 'F')
+    }
+    return 1 if /^c$/i;
     last if (/^u$/i);
     }
   }
@@ -1394,9 +1450,12 @@ if (-e $sf_current)
 	. ($sf_current ne $sf_flavour  ? "/Save for flavour '$flavour'" : '')
 	. ' & retry, Quit? [Q] ', $force_update, $force_continue);
     tests_exit(1) if /^q?$/;
-    log_failure($log_failed_filename, $testno, $sf_current) if (/^c$/i && $force_continue);
-    return 0 if /^c$/i;
-    return 1 if /^r$/i;
+    if (/^c$/ && $force_continue) {
+      log_failure($log_failed_filename, $testno, $sf_current);
+      log_test($log_summary_filename, $testno, 'F')
+    }
+    return 1 if /^c$/i;
+    return 2 if /^r$/i;
     last if (/^[us]$/i);
     }
   }
@@ -1405,23 +1464,23 @@ if (-e $sf_current)
 
 if (-s $mf)
   {
-	my $sf = /^u/i ? $sf_current : $sf_flavour;
-		tests_exit(-1, "Failed to cp $mf $sf") if system("cp '$mf' '$sf'") != 0;
+    my $sf = /^u/i ? $sf_current : $sf_flavour;
+    tests_exit(-1, "Failed to cp $mf $sf") if system("cp '$mf' '$sf'") != 0;
   }
 else
   {
-	# if we deal with a flavour file, we can't delete it, because next time the generic
-	# file would be used again
-	if ($sf_current eq $sf_flavour) {
-		open(FOO, ">$sf_current");
-		close(FOO);
-	}
-	else {
-		tests_exit(-1, "Failed to unlink $sf_current") if !unlink($sf_current);
-	}
+    # if we deal with a flavour file, we can't delete it, because next time the generic
+    # file would be used again
+    if ($sf_current eq $sf_flavour) {
+      open(FOO, ">$sf_current");
+      close(FOO);
+    }
+    else {
+      tests_exit(-1, "Failed to unlink $sf_current") if !unlink($sf_current);
+    }
   }
 
-return 1;
+return 2;
 }
 
 
@@ -1476,16 +1535,17 @@ $munges =
 
     'optional_config' =>
     { 'stdout' => '/^(
-                  dkim_(canon|domain|private_key|selector|sign_headers|strict)
+                  dkim_(canon|domain|private_key|selector|sign_headers|strict|hash|identity)
                   |gnutls_require_(kx|mac|protocols)
                   |hosts_(requ(est|ire)|try)_(dane|ocsp)
-                  |hosts_(avoid|nopass|require|verify_avoid)_tls
+                  |hosts_(avoid|nopass|noproxy|require|verify_avoid)_tls
                   |socks_proxy
                   |tls_[^ ]*
-                  )($|[ ]=)/x' },
+                  )($|[ ]=)/x'
+    },
 
     'sys_bindir' =>
-    { 'mainlog' => 's%/(usr/)?bin/%SYSBINDIR/%' },
+    { 'mainlog' => 's%/(usr/(local/)?)?bin/%SYSBINDIR/%' },
 
     'sync_check_data' =>
     { 'mainlog'   => 's/^(.* SMTP protocol synchronization error .* next input=.{8}).*$/$1<suppressed>/',
@@ -1498,9 +1558,21 @@ $munges =
 
     'timeout_errno' =>		# actual errno differs Solaris vs. Linux
     { 'mainlog' => 's/(host deferral .* errno) <\d+> /$1 <EEE> /' },
+
+    'peer_terminated_conn' =>	# actual error differs FreedBSD vs. Linux
+    { 'stderr' => 's/^(  SMTP\()Connection reset by peer(\)<<)$/$1closed$2/' },
+
+    'perl_variants' =>		# result of hash-in-scalar-context changed from bucket-fill to keycount
+    { 'stdout' => 's%^> X/X$%> X%' },
   };
 
 
+sub max {
+  my ($a, $b) = @_;
+  return $a if ($a > $b);
+  return $b;
+}
+
 ##################################################
 #    Subroutine to check the output of a test    #
 ##################################################
@@ -1517,47 +1589,48 @@ $munges =
 #
 # Arguments: Optionally, name of a single custom munge to run.
 # Returns:   0 if the output compared equal
-#            1 if re-run needed (files may have been updated)
+#            1 if comparison failed; differences to be ignored
+#            2 if re-run needed (files may have been updated)
 
 sub check_output{
 my($mungename) = $_[0];
 my($yield) = 0;
 my($munge) = $munges->{$mungename} if defined $mungename;
 
-$yield = 1 if check_file("spool/log/paniclog",
+$yield = max($yield,  check_file("spool/log/paniclog",
                        "spool/log/serverpaniclog",
                        "test-paniclog-munged",
                        "paniclog/$testno", 0,
-		       $munge->{paniclog});
+		       $munge->{paniclog}));
 
-$yield = 1 if check_file("spool/log/rejectlog",
+$yield = max($yield,  check_file("spool/log/rejectlog",
                        "spool/log/serverrejectlog",
                        "test-rejectlog-munged",
                        "rejectlog/$testno", 0,
-		       $munge->{rejectlog});
+		       $munge->{rejectlog}));
 
-$yield = 1 if check_file("spool/log/mainlog",
+$yield = max($yield,  check_file("spool/log/mainlog",
                        "spool/log/servermainlog",
                        "test-mainlog-munged",
                        "log/$testno", $sortlog,
-		       $munge->{mainlog});
+		       $munge->{mainlog}));
 
 if (!$stdout_skip)
   {
-  $yield = 1 if check_file("test-stdout",
+  $yield = max($yield,  check_file("test-stdout",
                        "test-stdout-server",
                        "test-stdout-munged",
                        "stdout/$testno", 0,
-		       $munge->{stdout});
+		       $munge->{stdout}));
   }
 
 if (!$stderr_skip)
   {
-  $yield = 1 if check_file("test-stderr",
+  $yield = max($yield,  check_file("test-stderr",
                        "test-stderr-server",
                        "test-stderr-munged",
                        "stderr/$testno", 0,
-		       $munge->{stderr});
+		       $munge->{stderr}));
   }
 
 # Compare any delivered messages, unless this test is skipped.
@@ -1595,9 +1668,9 @@ if (! $message_skip)
       }
 
     print ">> COMPARE $mail mail/$testno.$saved_mail\n" if $debug;
-    $yield = 1 if check_file($mail, undef, "test-mail-munged",
+    $yield = max($yield,  check_file($mail, undef, "test-mail-munged",
       "mail/$testno.$saved_mail", 0,
-      $munge->{mail});
+      $munge->{mail}));
     delete $expected_mails{"mail/$testno.$saved_mail"};
     }
 
@@ -1612,7 +1685,10 @@ if (! $message_skip)
       {
       $_ = interact('Continue, Update & retry, or Quit? [Q] ', $force_update, $force_continue);
       tests_exit(1) if /^q?$/;
-      log_failure($log_failed_filename, $testno, "missing email") if (/^c$/ && $force_continue);
+      if (/^c$/ && $force_continue) {
+	log_failure($log_failed_filename, $testno, "missing email");
+	log_test($log_summary_filename, $testno, 'F')
+      }
       last if /^c$/;
 
       # For update, we not only have to unlink the file, but we must also
@@ -1667,9 +1743,9 @@ if (! $msglog_skip)
       ($munged_msglog = $msglog) =~
         s/((?:[^\W_]{6}-){2}[^\W_]{2})
           /new_value($1, "10Hm%s-0005vi-00", \$next_msgid)/egx;
-      $yield = 1 if check_file("spool/msglog/$msglog", undef,
+      $yield = max($yield,  check_file("spool/msglog/$msglog", undef,
         "test-msglog-munged", "msglog/$testno.$munged_msglog", 0,
-        $munge->{msglog});
+        $munge->{msglog}));
       delete $expected_msglogs{"$testno.$munged_msglog"};
       }
     }
@@ -1696,7 +1772,10 @@ if (! $msglog_skip)
       {
       $_ = interact('Continue, Update, or Quit? [Q] ', $force_update, $force_continue);
       tests_exit(1) if /^q?$/;
-      log_failure($log_failed_filename, $testno, "missing msglog") if (/^c$/ && $force_continue);
+      if (/^c$/ && $force_continue) {
+	log_failure($log_failed_filename, $testno, "missing msglog");
+	log_test($log_summary_filename, $testno, 'F')
+      }
       last if /^c$/;
       if (/^u$/)
         {
@@ -1746,7 +1825,7 @@ system("$cmd");
 # The <SCRIPT> file is open for us to read an optional return code line,
 # followed by the command line and any following data lines for stdin. The
 # command line can be continued by the use of \. Data lines are not continued
-# in this way. In all lines, the following substutions are made:
+# in this way. In all lines, the following substitutions are made:
 #
 # DIR    => the current directory
 # CALLER => the caller of this script
@@ -1755,14 +1834,14 @@ system("$cmd");
 #            reference to the subtest number, holding previous value
 #            reference to the expected return code value
 #            reference to where to put the command name (for messages)
-#            auxilliary information returned from a previous run
+#            auxiliary information returned from a previous run
 #
-# Returns:   0 the commmand was executed inline, no subprocess was run
+# Returns:   0 the command was executed inline, no subprocess was run
 #            1 a non-exim command was run and waited for
 #            2 an exim command was run and waited for
 #            3 a command was run and not waited for (daemon, server, exim_lock)
 #            4 EOF was encountered after an initial return code line
-# Optionally alse a second parameter, a hash-ref, with auxilliary information:
+# Optionally also a second parameter, a hash-ref, with auxiliary information:
 #            exim_pid: pid of a run process
 #            munge: name of a post-script results munger
 
@@ -2223,14 +2302,20 @@ elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+
 
   if ($args =~ /\$msg/)
     {
-    my($listcmd) = "$parm_cwd/eximdir/exim -bp " .
-                   "-DEXIM_PATH=$parm_cwd/eximdir/exim " .
-                   "-C $parm_cwd/test-config |";
-    print ">> Getting queue list from:\n>>    $listcmd\n" if ($debug);
-    open (QLIST, $listcmd) || tests_exit(-1, "Couldn't run \"exim -bp\": $!\n");
-    my(@msglist) = ();
-    while (<QLIST>) { push (@msglist, $1) if /^\s*\d+[smhdw]\s+\S+\s+(\S+)/; }
-    close(QLIST);
+    my @listcmd  = ("$parm_cwd/eximdir/exim", '-bp',
+                   "-DEXIM_PATH=$parm_cwd/eximdir/exim",
+                   -C => "$parm_cwd/test-config");
+    print ">> Getting queue list from:\n>>    @listcmd\n" if $debug;
+    # We need the message ids sorted in ascending order.
+    # Message id is: <timestamp>-<pid>-<fractional-time>. On some systems (*BSD) the
+    # PIDs are randomized, so sorting just the whole PID doesn't work.
+    # We do the Schartz' transformation here (sort on
+    # <timestamp><fractional-time>). Thanks to Kirill Miazine
+    my @msglist =
+      map { $_->[1] }                                   # extract the values
+      sort { $a->[0] cmp $b->[0] }                      # sort by key
+      map { [join('.' => (split /-/, $_)[0,2]) => $_] } # key (timestamp.fractional-time) => value(message_id)
+      map { /^\s*\d+[smhdw]\s+\S+\s+(\S+)/ } `@listcmd` or tests_exit(-1, "No output from `exim -bp` (@listcmd)\n");
 
     # Done backwards just in case there are more than 9
 
@@ -2267,7 +2352,6 @@ elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+
 
   if ($cmd =~ /\s-DSERVER=server\s/ && $cmd !~ /\s-DNOTDAEMON\s/)
     {
-    $pidfile = "$parm_cwd/spool/exim-daemon.pid";
     if ($debug) { printf ">> daemon: $cmd\n"; }
     run_system("sudo mkdir spool/log 2>/dev/null");
     run_system("sudo chown $parm_eximuser:$parm_eximgroup spool/log");
@@ -2294,7 +2378,8 @@ elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+
     while (<SCRIPT>) { $lineno++; last if /^\*{4}\s*$/; }   # Ignore any input
 
     # Interlock with daemon startup
-    while (! stat("$pidfile") ) { select(undef, undef, undef, 0.3); }
+    for (my $count = 0; ! stat("$pidfile") && $count < 30; $count++ )
+      { select(undef, undef, undef, 0.3); }
     return 3;                                     # Don't wait
     }
   elsif ($cmd =~ /\s-DSERVER=wait:(\d+)\s/)
@@ -2447,22 +2532,6 @@ $more = 'more' if system('which less >/dev/null 2>&1') != 0;
 
 
 
-##################################################
-#        Check for sudo access to root           #
-##################################################
-
-print "You need to have sudo access to root to run these tests. Checking ...\n";
-if (system('sudo true >/dev/null') != 0)
-  {
-  die "** Test for sudo failed: testing abandoned.\n";
-  }
-else
-  {
-  print "Test for sudo OK\n";
-  }
-
-
-
 ##################################################
 #      See if an Exim binary has been given      #
 ##################################################
@@ -2471,10 +2540,6 @@ else
 # as the path to the binary. If the first argument does not start with a
 # '/' but exists in the file system, it's assumed to be the Exim binary.
 
-($parm_exim, @ARGV) = Exim::Runtest::exim_binary(@ARGV);
-print "Exim binary is $parm_exim\n" if $parm_exim ne '';
-
-
 
 ##################################################
 # Sort out options and which tests are to be run #
@@ -2484,38 +2549,60 @@ print "Exim binary is $parm_exim\n" if $parm_exim ne '';
 # options are passed on to Exim calls within the tests. Typically, this is used
 # to turn on Exim debugging while setting up a test.
 
-while (@ARGV > 0 && $ARGV[0] =~ /^-/)
-  {
-  my($arg) = shift @ARGV;
-  if ($optargs eq '')
-    {
-    if ($arg eq "-DEBUG")  { $debug = 1; $cr = "\n"; next; }
-    if ($arg eq "-DIFF")   { $cf = "diff -u"; next; }
-    if ($arg eq "-CONTINUE"){$force_continue = 1;
-                             $more = "cat";
-                             next; }
-    if ($arg eq "-UPDATE") { $force_update = 1; next; }
-    if ($arg eq "-NOIPV4") { $have_ipv4 = 0; next; }
-    if ($arg eq "-NOIPV6") { $have_ipv6 = 0; next; }
-    if ($arg eq "-KEEP")   { $save_output = 1; next; }
-    if ($arg eq "-VALGRIND")   { $valgrind = 1; next; }
-    if ($arg =~ /^-FLAVOU?R$/) { $flavour = shift; next; }
-    }
-  $optargs .= " $arg";
-  }
+Getopt::Long::Configure qw(no_getopt_compat);
+GetOptions(
+    'debug'    => sub { $debug          = 1; $cr   = "\n" },
+    'diff'     => sub { $cf             = 'diff -u' },
+    'continue' => sub { $force_continue = 1; $more = 'cat' },
+    'update'   => \$force_update,
+    'ipv4!'    => \$have_ipv4,
+    'ipv6!'    => \$have_ipv6,
+    'keep'     => \$save_output,
+    'slow'     => \$slow,
+    'valgrind' => \$valgrind,
+    'range=s{2}'       => \my @range_wanted,
+    'test=i@'          => \my @tests_wanted,
+    'flavor|flavour=s' => $flavour,
+    'help'             => sub { pod2usage(-exit => 0) },
+    'man'              => sub {
+        pod2usage(
+            -exit      => 0,
+            -verbose   => 2,
+            -noperldoc => system('perldoc -V 2>/dev/null 1>&2')
+        );
+    },
+) or pod2usage;
+
+($parm_exim, @ARGV) = Exim::Runtest::exim_binary(@ARGV);
+print "Exim binary is `$parm_exim'\n" if defined $parm_exim;
 
-# Any subsequent arguments are a range of test numbers.
 
-if (@ARGV > 0)
+my @wanted = sort numerically uniq
+  @tests_wanted ? @tests_wanted : (),
+  @range_wanted ? $range_wanted[0] .. $range_wanted[1] : (),
+  @ARGV ? @ARGV == 1 ? $ARGV[0] :
+          $ARGV[1] eq '+' ? $ARGV[0]..($ARGV[0] >= 9000 ? TEST_SPECIAL_TOP : TEST_TOP) :
+          0+$ARGV[0]..0+$ARGV[1]    # add 0 to cope with test numbers starting with zero
+        : ();
+@wanted = 1..TEST_TOP if not @wanted;
+
+##################################################
+#        Check for sudo access to root           #
+##################################################
+
+print "You need to have sudo access to root to run these tests. Checking ...\n";
+if (system('sudo true >/dev/null') != 0)
+  {
+  die "** Test for sudo failed: testing abandoned.\n";
+  }
+else
   {
-  $test_end = $test_start = $ARGV[0];
-  $test_end = $ARGV[1] if (@ARGV > 1);
-  $test_end = ($test_start >= 9000)? $test_special_top : $test_top
-    if $test_end eq "+";
-  die "** Test numbers out of order\n" if ($test_end < $test_start);
+  print "Test for sudo OK\n";
   }
 
 
+
+
 ##################################################
 #      Make the command's directory current      #
 ##################################################
@@ -2540,7 +2627,7 @@ $parm_cwd = Cwd::getcwd();
 
 # If $parm_exim is still empty, ask the caller
 
-if ($parm_exim eq '')
+if (not $parm_exim)
   {
   print "** Did not find an Exim binary to test\n";
   for ($i = 0; $i < 5; $i++)
@@ -2578,10 +2665,13 @@ close(IN);
 close(OUT);
 
 print("Probing with config file: $parm_cwd/test-config\n");
-open(EXIMINFO, "$parm_exim -d -C $parm_cwd/test-config -DDIR=$parm_cwd " .
-               "-bP exim_user exim_group 2>&1|") ||
-  die "** Cannot run $parm_exim: $!\n";
-while(<EXIMINFO>)
+
+my $eximinfo = "$parm_exim -d -C $parm_cwd/test-config -DDIR=$parm_cwd -bP exim_user exim_group";
+chomp(my @eximinfo = `$eximinfo 2>&1`);
+die "$0: Can't run $eximinfo\n" if $? == -1;
+
+warn 'Got ' . $?>>8 . " from $eximinfo\n" if $?;
+foreach (@eximinfo)
   {
   if (my ($version) = /^Exim version (\S+)/) {
     my $git = `git describe --dirty=-XX --match 'exim-4*'`;
@@ -2607,21 +2697,21 @@ ___
 	if /^Configure owner:\s*(\d+):(\d+)/;
   print if /wrong owner/;
   }
-close(EXIMINFO);
 
-if (defined $parm_eximuser)
-  {
-  if ($parm_eximuser =~ /^\d+$/) { $parm_exim_uid = $parm_eximuser; }
-    else { $parm_exim_uid = getpwnam($parm_eximuser); }
-  }
-else
-  {
-  print "Unable to extract exim_user from binary.\n";
-  print "Check if Exim refused to run; if so, consider:\n";
-  print "  TRUSTED_CONFIG_LIST ALT_CONFIG_PREFIX WHITELIST_D_MACROS\n";
-  print "If debug permission denied, are you in the exim group?\n";
-  die "Failing to get information from binary.\n";
-  }
+if (not defined $parm_eximuser) {
+  die <<XXX, map { "|$_\n" } @eximinfo;
+Unable to extract exim_user from binary.
+Check if Exim refused to run; if so, consider:
+  TRUSTED_CONFIG_LIST ALT_CONFIG_PREFIX WHITELIST_D_MACROS
+If debug permission denied, are you in the exim group?
+Failing to get information from binary.
+Output from $eximinfo:
+XXX
+
+}
+
+if ($parm_eximuser =~ /^\d+$/) { $parm_exim_uid = $parm_eximuser; }
+else { $parm_exim_uid = getpwnam($parm_eximuser); }
 
 if (defined $parm_eximgroup)
   {
@@ -2650,7 +2740,7 @@ if (defined $parm_trusted_config_list)
   open(TCL, $parm_trusted_config_list) or die "Can't open $parm_trusted_config_list: $!\n";
   my $test_config = getcwd() . '/test-config';
   die "Can't find '$test_config' in TRUSTED_CONFIG_LIST $parm_trusted_config_list."
-  if not grep { /^$test_config$/ } <TCL>;
+  if not grep { /^\Q$test_config\E$/ } <TCL>;
   }
 else
   {
@@ -2762,7 +2852,7 @@ if (defined $parm_support{Content_Scanning})
     # This test for an active SpamAssassin is courtesy of John Jetmore.
     # The tests are hard coded to localhost:783, so no point in making
     # this test flexible like the clamav test until the test scripts are
-    # changed.  spamd doesn't have the nice PING/PONG protoccol that
+    # changed.  spamd doesn't have the nice PING/PONG protocol that
     # clamd does, but it does respond to errors in an informative manner,
     # so use that.
 
@@ -3230,7 +3320,6 @@ system("sudo cp eximdir/exim eximdir/exim_exim;" .
        "sudo chgrp $parm_eximgroup eximdir/exim_exim;" .
        "sudo chmod 06755 eximdir/exim_exim");
 
-
 ##################################################
 #     Make copies of utilities we might need     #
 ##################################################
@@ -3273,6 +3362,15 @@ if (system("cp $parm_exim_dir/eximstats eximdir") != 0)
   tests_exit(-1, "Failed to make a copy of eximstats: $!");
   }
 
+# Collect some version information
+print '-' x 78, "\n";
+print "Perl version for runtest: $]\n";
+foreach (map { "./eximdir/$_" } qw(exigrep exinext eximstats)) {
+  # fold (or unfold?) multiline output into a one-liner
+  print join(', ', map { chomp; $_ } `$_ --version`), "\n";
+}
+print '-' x 78, "\n";
+
 
 ##################################################
 #    Check that the Exim user can access stuff   #
@@ -3315,6 +3413,8 @@ else
   print " OK\n";
   }
 
+tests_exit(-1, "Failed to unlink $log_summary_filename: $!")
+  if not unlink($log_summary_filename) and -e $log_summary_filename;
 
 ##################################################
 #        Create a list of available tests        #
@@ -3328,31 +3428,21 @@ else
 # because the current binary does not support the right facilities, and also
 # those that are outside the numerical range selected.
 
-print "\nTest range is $test_start to $test_end (flavour $flavour)\n";
+printf "\nWill run %d tests between %d and %d for flavour %s\n",
+  scalar(@wanted), $wanted[0], $wanted[-1], $flavour;
+
 print "Omitting \${dlfunc expansion tests (loadable module not present)\n"
   if $dlfunc_deleted;
 print "Omitting dbm tests (unable to copy exim_dbmbuild)\n"
   if $dbm_build_deleted;
 
-opendir(DIR, "scripts") || tests_exit(-1, "Failed to opendir(\"scripts\"): $!");
-@test_dirs = sort readdir(DIR);
-closedir(DIR);
-
-# Remove . and .. and CVS from the list.
 
-for ($i = 0; $i < @test_dirs; $i++)
-  {
-  my($d) = $test_dirs[$i];
-  if ($d eq "." || $d eq ".." || $d eq "CVS")
-    {
-    splice @test_dirs, $i, 1;
-    $i--;
-    }
-  }
+my @test_dirs = grep { not /^CVS$/ } map { basename $_ } glob 'scripts/*'
+  or die tests_exit(-1, "Failed to find test scripts in 'scripts/*`: $!");
 
 # Scan for relevant tests
-
-for ($i = 0; $i < @test_dirs; $i++)
+# HS12: Needs to be reworked.
+DIR: for (my $i = 0; $i < @test_dirs; $i++)
   {
   my($testdir) = $test_dirs[$i];
   my($wantthis) = 1;
@@ -3362,19 +3452,19 @@ for ($i = 0; $i < @test_dirs; $i++)
   # Skip this directory if the first test is equal or greater than the first
   # test in the next directory.
 
-  next if ($i < @test_dirs - 1) &&
-          ($test_start >= substr($test_dirs[$i+1], 0, 4));
+  next DIR if ($i < @test_dirs - 1) &&
+          ($wanted[0] >= substr($test_dirs[$i+1], 0, 4));
 
   # No need to carry on if the end test is less than the first test in this
   # subdirectory.
 
-  last if $test_end < substr($testdir, 0, 4);
+  last DIR if $wanted[-1] < substr($testdir, 0, 4);
 
   # Check requirements, if any.
 
-  if (open(REQUIRES, "scripts/$testdir/REQUIRES"))
+  if (open(my $requires, "scripts/$testdir/REQUIRES"))
     {
-    while (<REQUIRES>)
+    while (<$requires>)
       {
       next if /^\s*$/;
       s/\s+$//;
@@ -3407,7 +3497,6 @@ for ($i = 0; $i < @test_dirs; $i++)
         tests_exit(-1, "Unknown line in \"scripts/$testdir/REQUIRES\": \"$_\"");
         }
       }
-    close(REQUIRES);
     }
   else
     {
@@ -3421,26 +3510,29 @@ for ($i = 0; $i < @test_dirs; $i++)
     {
     chomp;
     print "Omitting tests in $testdir (missing $_)\n";
-    next;
     }
 
   # We want the tests from this subdirectory, provided they are in the
   # range that was selected.
 
-  opendir(SUBDIR, "scripts/$testdir") ||
-    tests_exit(-1, "Failed to opendir(\"scripts/$testdir\"): $!");
-  @testlist = sort readdir(SUBDIR);
-  close(SUBDIR);
+  @testlist = grep { $_ ~~ @wanted } grep { /^\d+(?:\.\d+)?$/ } map { basename $_ } glob "scripts/$testdir/*";
+  tests_exit(-1, "Failed to read test scripts from `scripts/$testdir/*': $!")
+    if not @testlist;
 
   foreach $test (@testlist)
     {
-    next if $test !~ /^\d{4}(?:\.\d+)?$/;
-    next if $test < $test_start || $test > $test_end;
-    push @test_list, "$testdir/$test";
+    if (!$wantthis)
+      {
+      log_test($log_summary_filename, $test, '.');
+      }
+    else
+      {
+      push @test_list, "$testdir/$test";
+      }
     }
   }
 
-print ">>Test List: @test_list\n", if $debug;
+print ">>Test List:\n", join "\n", @test_list, '' if $debug;
 
 
 ##################################################
@@ -3610,27 +3702,31 @@ closedir(DIR);
 if (not $force_continue) {
   # runtest needs to interact if we're not in continue
   # mode. It does so by communicate to /dev/tty
-  open(T, "/dev/tty") or tests_exit(-1, "Failed to open /dev/tty: $!");
+  open(T, '<', '/dev/tty') or tests_exit(-1, "Failed to open /dev/tty: $!");
+  print "\nPress RETURN to run the tests: ";
+  <T>;
 }
 
 
-print "\nPress RETURN to run the tests: ";
-$_ = $force_continue ? "c" : <T>;
-print "\n";
-
-$lasttestdir = '';
-
 foreach $test (@test_list)
   {
-  local($lineno) = 0;
-  local($commandno) = 0;
-  local($subtestno) = 0;
+  state $lasttestdir = '';
+
+  local $lineno     = 0;
+  local $commandno  = 0;
+  local $subtestno  = 0;
+  local $sortlog    = 0;
+
   (local $testno = $test) =~ s|.*/||;
-  local($sortlog) = 0;
 
-  my($gnutls) = 0;
-  my($docheck) = 1;
-  my($thistestdir) = substr($test, 0, -5);
+  # Leaving traces in the process table and in the environment
+  # gives us a chance to identify hanging processes (exim daemons)
+  local $0 = "[runtest $testno]";
+  local $ENV{EXIM_TEST_NUMBER} = $testno;
+
+  my $gnutls   = 0;
+  my $docheck  = 1;
+  my $thistestdir  = substr($test, 0, -5);
 
   $dynamic_socket->close() if $dynamic_socket;
 
@@ -3639,20 +3735,19 @@ foreach $test (@test_list)
     $gnutls = 0;
     if (-s "scripts/$thistestdir/REQUIRES")
       {
-      my($indent) = '';
+      my $indent = '';
       print "\n>>> The following tests require: ";
-      open(IN, "scripts/$thistestdir/REQUIRES") ||
-        tests_exit(-1, "Failed to open scripts/$thistestdir/REQUIRES: $1");
-      while (<IN>)
+      open(my $requires, '<', "scripts/$thistestdir/REQUIRES") ||
+        tests_exit(-1, "Failed to open scripts/$thistestdir/REQUIRES: $!");
+      while (<$requires>)
         {
         $gnutls = 1 if /^support GnuTLS/;
         print $indent, $_;
         $indent = ">>>                              ";
         }
-      close(IN);
       }
+      $lasttestdir = $thistestdir;
     }
-  $lasttestdir = $thistestdir;
 
   # Remove any debris in the spool directory and the test-mail directory
   # and also the files for collecting stdout and stderr. Then put back
@@ -3794,8 +3889,6 @@ foreach $test (@test_list)
     my($rc, $run_extra) = run_command($testno, \$subtestno, \$expectrc, \$commandname, $TEST_STATE);
     my($cmdrc) = $?;
 
-    $0 = "[runtest $testno]";
-
     if ($debug) {
       print ">> rc=$rc cmdrc=$cmdrc\n";
       if (defined $run_extra) {
@@ -3848,11 +3941,18 @@ foreach $test (@test_list)
         print "\nshow stdErr, show stdOut, Retry, Continue (without file comparison), or Quit? [Q] ";
         $_ = $force_continue ? "c" : <T>;
         tests_exit(1) if /^q?$/i;
-        log_failure($log_failed_filename, $testno, "exit code unexpected") if (/^c$/i && $force_continue);
+	if (/^c$/ && $force_continue) {
+	  log_failure($log_failed_filename, $testno, "exit code unexpected");
+	  log_test($log_summary_filename, $testno, 'F')
+	}
         if ($force_continue)
           {
-          print "\nstderr tail:\n";
+          print "\nstdout tail:\n";
+          print "==================>\n";
+          system("tail -20 test-stdout");
           print "===================\n";
+          print "stderr tail:\n";
+          print "==================>\n";
           system("tail -20 test-stderr");
           print "===================\n";
           print "... continue forced\n";
@@ -3884,7 +3984,8 @@ foreach $test (@test_list)
       if ($? != 0)
         {
         if (($? & 0xff) == 0)
-          { printf("Server return code %d", $?/256); }
+          { printf("Server return code %d for test %d starting line %d", $?/256,
+	       	$testno, $subtest_startline); }
         elsif (($? & 0xff00) == 0)
           { printf("Server killed by signal %d", $? & 255); }
         else
@@ -3895,7 +3996,10 @@ foreach $test (@test_list)
           print "\nShow server stdout, Retry, Continue, or Quit? [Q] ";
           $_ = $force_continue ? "c" : <T>;
           tests_exit(1) if /^q?$/i;
-          log_failure($log_failed_filename, $testno, "exit code unexpected") if (/^c$/i && $force_continue);
+	  if (/^c$/ && $force_continue) {
+	    log_failure($log_failed_filename, $testno, "exit code unexpected");
+	    log_test($log_summary_filename, $testno, 'F')
+	  }
           print "... continue forced\n" if $force_continue;
           last if /^[rc]$/i;
 
@@ -3915,8 +4019,9 @@ foreach $test (@test_list)
   close SCRIPT;
 
   # The script has finished. Check the all the output that was generated. The
-  # function returns 0 if all is well, 1 if we should rerun the test (the files
-  # have been updated). It does not return if the user responds Q to a prompt.
+  # function returns 0 for a perfect pass, 1 if imperfect but ok, 2 if we should
+  # rerun the test (the files # have been updated).
+  # It does not return if the user responds Q to a prompt.
 
   if ($retry)
     {
@@ -3927,14 +4032,17 @@ foreach $test (@test_list)
 
   if ($docheck)
     {
-    if (check_output($TEST_STATE->{munge}) != 0)
+    sleep 1 if $slow;
+    my $rc = check_output($TEST_STATE->{munge});
+    log_test($log_summary_filename, $testno, 'P') if ($rc == 0);
+    if ($rc < 2)
       {
-      print (("#" x 79) . "\n");
-      redo;
+      print ("  Script completed\n");
       }
     else
       {
-      print ("  Script completed\n");
+      print (("#" x 79) . "\n");
+      redo;
       }
     }
   }
@@ -3944,7 +4052,84 @@ foreach $test (@test_list)
 #         Exit from the test script              #
 ##################################################
 
-tests_exit(-1, "No runnable tests selected") if @test_list == 0;
+tests_exit(-1, "No runnable tests selected") if not @test_list;
 tests_exit(0);
 
+__END__
+
+=head1 NAME
+
+ runtest - run the exim testsuite
+
+=head1 SYNOPSIS
+
+ runtest [exim-path] [options] [test0 [test1]]
+
+=head1 DESCRIPTION
+
+B<runtest> runs the Exim testsuite.
+
+=head1 OPTIONS
+
+For legacy reasons the options are not case sensitive.
+
+=over
+
+=item B<--continue>
+
+Do not stop for user interaction or on errors. (default: off)
+
+=item B<--debug>
+
+This option enables the output of debug information when running the
+various test commands. (default: off)
+
+=item B<--diff>
+
+Use C<diff -u> for comparing the expected output with the produced
+output. (default: use a built-in routine)
+
+=item B<--flavor>|B<--flavour> I<flavour>
+
+Override the expected results for results for a specific (OS) flavour.
+(default: unused)
+
+=item B<--[no]ipv4>
+
+Skip IPv4 related setup and tests (default: use ipv4)
+
+=item B<--[no]ipv6>
+
+Skip IPv6 related setup and tests (default: use ipv6)
+
+=item B<--keep>
+
+Keep the various output files produced during a test run. (default: don't keep)
+
+=item B<--range> I<n0> I<n1>
+
+Run tests between (including) I<n0> and I<n1>. A "+" may be used to specify the "last
+test available".
+
+=item B<--slow>
+
+Insert some delays to compensate for a slow host system. (default: off)
+
+=item B<--test> I<n>
+
+Run the specified test. This option may used multiple times.
+
+=item B<--update>
+
+Automatically update the recorded (expected) data on mismatch. (default: off)
+
+=item B<--valgrind>
+
+Start Exim wrapped by I<valgrind>. (default: don't use valgrind)
+
+=back
+
+=cut
+
+
 # End of runtest script