Merge from master into 4.next

Done with git merge --squash -x theirs master

1 files changed, 468 insertions, 321 deletions

diff --git a/test/runtest b/test/runtest
index 2b19f52e3..fbe30e910 100755
--- a/test/runtest
+++ b/test/runtest
@@ -1,4 +1,6 @@
-#! /usr/bin/perl -w
+#! /usr/bin/env perl
+# We use env, because in some environments of our build farm
+# the Perl 5.010 interpreter is only reachable via $PATH
 
 ###############################################################################
 # This is the controlling script for the "new" test suite for Exim. It should #
@@ -14,18 +16,27 @@
 ###############################################################################
 
 #use strict;
+use 5.010;
+use feature 'state';	# included in 5.010
+use warnings;
+
 use Errno;
 use FileHandle;
 use Socket;
 use Time::Local;
 use Cwd;
 use File::Basename;
+use FindBin qw'$RealBin';
+
+use lib "$RealBin/lib";
+use Exim::Runtest;
+
 use if $ENV{DEBUG} && $ENV{DEBUG} =~ /\bruntest\b/ => ('Smart::Comments' => '####');
 
 
 # Start by initializing some global variables
 
-$testversion = "4.80 (08-May-12)";
+chomp(my $testversion = `git describe --always --dirty 2>&1` || '<unknown>');
 
 # This gets embedded in the D-H params filename, and the value comes
 # from asking GnuTLS for "normal", but there appears to be no way to
@@ -33,29 +44,34 @@ $testversion = "4.80 (08-May-12)";
 # We also clamp it because of NSS interop, see addition of tls_dh_max_bits.
 # This value is correct as of GnuTLS 2.12.18 as clamped by tls_dh_max_bits.
 # normal = 2432   tls_dh_max_bits = 2236
-$gnutls_dh_bits_normal = 2236;
-
-$cf = "bin/cf -exact";
-$cr = "\r";
-$debug = 0;
-$force_continue = 0;
-$force_update = 0;
-$log_failed_filename = "failed-summary.log";
-$more = "less -XF";
-$optargs = "";
-$save_output = 0;
-$server_opts = "";
-$flavour = 'FOO';
-
-$have_ipv4 = 1;
-$have_ipv6 = 1;
-$have_largefiles = 0;
-
-$test_start = 1;
-$test_end = $test_top = 8999;
-$test_special_top = 9999;
-@test_list = ();
-@test_dirs = ();
+my $gnutls_dh_bits_normal = 2236;
+
+my $cf = 'bin/cf -exact';
+my $cr = "\r";
+my $debug = 0;
+my $flavour = do {
+  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 $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
@@ -68,26 +84,32 @@ $test_special_top = 9999;
 # are defined, so it is trivially possible to change them should that ever
 # become necessary.
 
-$parm_ipv4_test_net = "224";
-$parm_ipv6_test_net = "ff00";
+my $parm_ipv4_test_net = 224;
+my $parm_ipv6_test_net = 'ff00';
 
 # Port numbers are currently hard-wired
 
-$parm_port_n = 1223;         # Nothing listening on this port
-$parm_port_s = 1224;         # Used for the "server" command
-$parm_port_d = 1225;         # Used for the Exim daemon
-$parm_port_d2 = 1226;        # Additional for daemon
-$parm_port_d3 = 1227;        # Additional for daemon
-$parm_port_d4 = 1228;        # Additional for daemon
+my $parm_port_n = 1223;         # Nothing listening on this port
+my $parm_port_s = 1224;         # Used for the "server" command
+my $parm_port_d = 1225;         # Used for the Exim daemon
+my $parm_port_d2 = 1226;        # Additional for daemon
+my $parm_port_d3 = 1227;        # Additional for daemon
+my $parm_port_d4 = 1228;        # Additional for daemon
+my $dynamic_socket;          # allocated later for PORT_DYNAMIC
+
+# Find a suiteable group name for test (currently only 0001
+# uses a group name. A numeric group id would do
+my $parm_mailgroup = Exim::Runtest::mailgroup('mail');
 
 # Manually set locale
-$ENV{'LC_ALL'} = 'C';
+$ENV{LC_ALL} = 'C';
 
-# In some environments USER does not exists, but we
-# need it for some test(s)
-$ENV{USER} = getpwuid($>)
-  if not exists $ENV{USER};
+# In some environments USER does not exist, but we need it for some test(s)
+$ENV{USER} = getpwuid($>) if not exists $ENV{USER};
 
+my ($parm_configure_owner, $parm_configure_group);
+my ($parm_ipv4, $parm_ipv6);
+my $parm_hostname;
 
 ###############################################################################
 ###############################################################################
@@ -137,6 +159,8 @@ s?\bPORT_S\b?$parm_port_s?g;
 s?\bTESTNUM\b?$_[0]?g;
 s?(\b|_)V4NET([\._])?$1$parm_ipv4_test_net$2?g;
 s?\bV6NET:?$parm_ipv6_test_net:?g;
+s?\bPORT_DYNAMIC\b?$dynamic_socket->sockport()?eg;
+s?\bMAILGROUP\b?$parm_mailgroup?g;
 }
 
 
@@ -348,7 +372,7 @@ $spid = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
 # that are specific to certain file types, though there are also some of those
 # inline too.
 
-while(<IN>)
+LINE: while(<IN>)
   {
 RESET_AFTER_EXTRA_LINE_READ:
   # Custom munges
@@ -426,7 +450,7 @@ RESET_AFTER_EXTRA_LINE_READ:
 
   # File descriptor numbers may vary
   s/^writing data block fd=\d+/writing data block fd=dddd/;
-  s/running as transport filter: write=\d+ read=\d+/running as transport filter: write=dddd read=dddd/;
+  s/(running as transport filter:) fd_write=\d+ fd_read=\d+/$1 fd_write=dddd fd_read=dddd/;
 
 
   # ======== Dumpdb output ========
@@ -436,7 +460,7 @@ RESET_AFTER_EXTRA_LINE_READ:
   if (/^($date)\s+($date)\s+($date)(\s+\*)?\s*$/)
     {
     my($date1,$date2,$date3,$expired) = ($1,$2,$3,$4);
-    $expired = "" if !defined $expired;
+    $expired = '' if !defined $expired;
     my($increment) = date_seconds($date3) - date_seconds($date2);
 
     # We used to use globally unique replacement values, but timing
@@ -528,6 +552,10 @@ RESET_AFTER_EXTRA_LINE_READ:
   s/\bAES256-GCM-SHA384\b/AES256-SHA/g;
   s/\bDHE-RSA-AES256-SHA\b/AES256-SHA/g;
 
+  # LibreSSL
+  # TLSv1:ECDHE-RSA-CHACHA20-POLY1305:256
+  s/\bECDHE-RSA-CHACHA20-POLY1305\b/AES256-SHA/g;
+
   # GnuTLS have seen:
   #   TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256
   #   TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128
@@ -652,6 +680,9 @@ RESET_AFTER_EXTRA_LINE_READ:
   s/waiting for children of \d+/waiting for children of pppp/;
   s/waiting for (\S+) \(\d+\)/waiting for $1 (pppp)/;
 
+  # The spool header file name varies with PID
+  s%^(Writing spool header file: .*/hdr).[0-9]{1,5}%$1.pppp%;
+
   # ======== Port numbers ========
   # Incoming port numbers may vary, but not in daemon startup line.
 
@@ -668,6 +699,10 @@ RESET_AFTER_EXTRA_LINE_READ:
   # Port in host address in spool file output from -Mvh
   s/^-host_address (.*)\.\d+/-host_address $1.9999/;
 
+  if ($dynamic_socket and $dynamic_socket->opened and my $port = $dynamic_socket->sockport) {
+    s/^Connecting to 127\.0\.0\.1 port \K$port/<dynamic port>/;
+  }
+
 
   # ======== Local IP addresses ========
   # The amount of space between "host" and the address in verification output
@@ -859,7 +894,7 @@ RESET_AFTER_EXTRA_LINE_READ:
     next if /^SSL info: SSLv2\/v3 write client hello A/;
     next if /^SSL info: SSLv3 read server key exchange A/;
     next if /SSL verify error: depth=0 error=certificate not trusted/;
-    s/SSL3_READ_BYTES/ssl3_read_bytes/;
+    s/SSL3_READ_BYTES/ssl3_read_bytes/i;
 
     # gnutls version variances
     next if /^Error in the pull function./;
@@ -1003,6 +1038,55 @@ RESET_AFTER_EXTRA_LINE_READ:
       while (<IN>) { last if !/^\s/; }
       }
 
+    # remote port numbers vary
+    s/(Connection request from 127.0.0.1 port) \d{1,5}/$1 sssss/;
+
+    # Skip hosts_require_dane checks when the options
+    # are unset, because dane ain't always there.
+
+    next if /in\shosts_require_dane\?\sno\s\(option\sunset\)/x;
+
+    # SUPPORT_PROXY
+    next if /host in hosts_proxy\?/;
+
+    # Experimental_International
+    next if / in smtputf8_advertise_hosts\? no \(option unset\)/;
+
+    # Environment cleaning
+    next if /\w+ in keep_environment\? (yes|no)/;
+
+    # Sizes vary with test hostname
+    s/^cmd buf flush \d+ bytes$/cmd buf flush ddd bytes/;
+
+    # Spool filesystem free space changes on different systems.
+    s/^((?:spool|log) directory space =) -?\d+K (inodes =)\s*-?\d+/$1 nnnnnK $2 nnnnn/;
+
+    # Non-TLS builds have different expansions for received_header_text
+    if (s/(with \$received_protocol)\}\} \$\{if def:tls_cipher \{\(\$tls_cipher\)\n$/$1/)
+      {
+      $_ .= <IN>;
+      s/\s+\}\}(?=\(Exim )/\}\} /;
+      }
+    if (/^  condition: def:tls_cipher$/)
+      {
+      <IN>; <IN>; <IN>; <IN>; <IN>; <IN>;
+      <IN>; <IN>; <IN>; <IN>; <IN>; next;
+      }
+
+    # Not all platforms build with DKIM enabled
+    next if /^PDKIM >> Body data for hash, canonicalized/;
+
+    # Not all platforms support TCP Fast Open, and the compile omits the check
+    if (s/\S+ in hosts_try_fastopen\? no \(option unset\)\n$//)
+      {
+      $_ .= <IN>;
+      s/ \.\.\. >>> / ... /;
+      s/Address family not supported by protocol family/Network Error/;
+      s/Network is unreachable/Network Error/;
+      }
+
+    next if /^(ppppp )?setsockopt FASTOPEN: Protocol not available$/;
+
     # 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
@@ -1024,20 +1108,6 @@ RESET_AFTER_EXTRA_LINE_READ:
         @saved = ();
         }
 
-    # remote port numbers vary
-    s/(Connection request from 127.0.0.1 port) \d{1,5}/$1 sssss/;
-
-    # Skip hosts_require_dane checks when the options
-    # are unset, because dane ain't always there.
-
-    next if /in\shosts_require_dane\?\sno\s\(option\sunset\)/x;
-
-    # SUPPORT_PROXY
-    next if /host in hosts_proxy\?/;
-
-    # Experimental_International
-    next if / in smtputf8_advertise_hosts\? no \(option unset\)/;
-
       # Skip some lines that Exim puts out at the start of debugging output
       # because they will be different in different binaries.
 
@@ -1052,6 +1122,7 @@ RESET_AFTER_EXTRA_LINE_READ:
                 /^log selectors =/ ||
                 /^cwd=/ ||
                 /^Fixed never_users:/ ||
+		/^Configure owner:/ ||
                 /^Size of off_t:/
                 );
 
@@ -1090,11 +1161,22 @@ return $yield;
 #            [2] if there is a C in the prompt and $force_continue is true
 # Returns:   returns the answer
 
-sub interact{
-print $_[0];
-if ($_[1]) { $_ = "u"; print "... update forced\n"; }
-  elsif ($_[2]) { $_ = "c"; print "... continue forced\n"; }
-  else { $_ = <T>; }
+sub interact {
+  my ($prompt, $have_u, $have_c) = @_;
+
+  print $prompt;
+
+  if ($have_u) {
+    print "... update forced\n";
+    return 'u';
+  }
+
+  if ($have_c) {
+    print "... continue forced\n";
+    return 'c';
+  }
+
+  return lc <T>;
 }
 
 
@@ -1114,13 +1196,22 @@ if ($_[1]) { $_ = "u"; print "... update forced\n"; }
 
 
 sub log_failure {
-  my $logfile = shift();
-  my $testno  = shift();
-  my $detail  = shift() || '';
-  if ( open(my $fh, ">>", $logfile) ) {
-    print $fh "Test $testno $detail failed\n";
-    close $fh;
-  }
+  my ($logfile, $testno, $detail) = @_;
+
+  open(my $fh, '>>', $logfile) or return;
+
+  print $fh "Test $testno "
+        . (defined $detail ? "$detail " : '')
+        . "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";
 }
 
 
@@ -1140,8 +1231,9 @@ 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.
 
@@ -1167,11 +1259,13 @@ if (! -e $sf_current)
 
   for (;;)
     {
-    print "Continue, Show, or Quit? [Q] ";
-    $_ = $force_continue ? "c" : <T>;
-    tests_exit(1) if /^q?$/i;
-    log_failure($log_failed_filename, $testno, $rf) if (/^c$/i && $force_continue);
-    return 0 if /^c$/i;
+    $_ = interact('Continue, Show, or Quit? [Q] ', undef, $force_continue);
+    tests_exit(1) if /^q?$/;
+    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$/i;
     last if (/^s$/);
     }
 
@@ -1189,10 +1283,13 @@ if (! -e $sf_current)
   print "\n";
   for (;;)
     {
-    interact("Continue, Update & retry, Quit? [Q] ", $force_update, $force_continue);
-    tests_exit(1) if /^q?$/i;
-    log_failure($log_failed_filename, $testno, $rsf) if (/^c$/i && $force_continue);
-    return 0 if /^c$/i;
+    $_ = interact('Continue, Update & retry, Quit? [Q] ', $force_update, $force_continue);
+    tests_exit(1) if /^q?$/;
+    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);
     }
   }
@@ -1203,8 +1300,10 @@ if (! -e $sf_current)
 # was a request to create a saved file. First, create the munged file from any
 # data that does exist.
 
-open(MUNGED, ">$mf") || tests_exit(-1, "Failed to open $mf: $!");
+open(MUNGED, '>', $mf) || tests_exit(-1, "Failed to open $mf: $!");
 my($truncated) = munge($rf, $extra) if -e $rf;
+
+# Append the raw server log, if it is non-empty
 if (defined $rsf && -e $rsf)
   {
   print MUNGED "\n******** SERVER ********\n";
@@ -1234,7 +1333,7 @@ if (-e $sf_current)
     {
     my(@munged, @saved, $i, $j, $k);
 
-    open(MUNGED, "$mf") || tests_exit(-1, "Failed to open $mf: $!");
+    open(MUNGED, $mf) || tests_exit(-1, "Failed to open $mf: $!");
     @munged = <MUNGED>;
     close(MUNGED);
     open(SAVED, $sf_current) || tests_exit(-1, "Failed to open $sf_current: $!");
@@ -1259,7 +1358,7 @@ if (-e $sf_current)
         }
       }
 
-    open(MUNGED, ">$mf") || tests_exit(-1, "Failed to open $mf: $!");
+    open(MUNGED, '>', $mf) || tests_exit(-1, "Failed to open $mf: $!");
     for ($i = 0; $i < @munged; $i++)
       { print MUNGED $munged[$i]; }
     close(MUNGED);
@@ -1271,7 +1370,7 @@ if (-e $sf_current)
     {
     my(@munged, $i, $j);
 
-    open(MUNGED, "$mf") || tests_exit(-1, "Failed to open $mf: $!");
+    open(MUNGED, $mf) || tests_exit(-1, "Failed to open $mf: $!");
     @munged = <MUNGED>;
     close(MUNGED);
 
@@ -1309,13 +1408,16 @@ if (-e $sf_current)
   print "\n";
   for (;;)
     {
-    interact("Continue, Retry, Update current"
-	. ($sf_current ne $sf_flavour  ? "/Save for flavour '$flavour'" : "")
-	. " & retry, Quit? [Q] ", $force_update, $force_continue);
-    tests_exit(1) if /^q?$/i;
-    log_failure($log_failed_filename, $testno, $sf_current) if (/^c$/i && $force_continue);
-    return 0 if /^c$/i;
-    return 1 if /^r$/i;
+    $_ = interact('Continue, Retry, Update current'
+	. ($sf_current ne $sf_flavour  ? "/Save for flavour '$flavour'" : '')
+	. ' & retry, Quit? [Q] ', $force_update, $force_continue);
+    tests_exit(1) if /^q?$/;
+    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);
     }
   }
@@ -1324,23 +1426,23 @@ 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;
 }
 
 
@@ -1393,21 +1495,39 @@ $munges =
     { 'mail' => '/^(X-(Remote-MTA-(smtp-greeting|helo-response)|Exim-Diagnostic|(body|message)-linecount):|Remote-MTA: X-ip;)/'
     },
 
-    'optional_nossl' =>
+    'optional_config' =>
     { 'stdout' => '/^(
                   dkim_(canon|domain|private_key|selector|sign_headers|strict)
                   |gnutls_require_(kx|mac|protocols)
                   |hosts_(requ(est|ire)|try)_(dane|ocsp)
                   |hosts_(avoid|nopass|require|verify_avoid)_tls
+                  |socks_proxy
                   |tls_[^ ]*
                   )($|[ ]=)/x' },
 
     'sys_bindir' =>
     { 'mainlog' => 's%/(usr/)?bin/%SYSBINDIR/%' },
 
+    'sync_check_data' =>
+    { 'mainlog'   => 's/^(.* SMTP protocol synchronization error .* next input=.{8}).*$/$1<suppressed>/',
+      'rejectlog' => 's/^(.* SMTP protocol synchronization error .* next input=.{8}).*$/$1<suppressed>/'},
+
+    'debuglog_stdout' =>
+    { 'stdout' => 's/^\d\d:\d\d:\d\d\s+\d+ //;
+                  s/Process \d+ is ready for new message/Process pppp is ready for new message/'
+    },
+
+    'timeout_errno' =>		# actual errno differs Solaris vs. Linux
+    { 'mainlog' => 's/(host deferral .* errno) <\d+> /$1 <EEE> /' },
   };
 
 
+sub max {
+  my ($a, $b) = @_;
+  return $a if ($a > $b);
+  return $b;
+}
+
 ##################################################
 #    Subroutine to check the output of a test    #
 ##################################################
@@ -1424,47 +1544,48 @@ $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.
@@ -1502,9 +1623,9 @@ 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"};
     }
 
@@ -1517,16 +1638,19 @@ if (! $message_skip)
 
     for (;;)
       {
-      interact("Continue, Update & retry, or Quit? [Q] ", $force_update, $force_continue);
-      tests_exit(1) if /^q?$/i;
-      log_failure($log_failed_filename, $testno, "missing email") if (/^c$/i && $force_continue);
-      last if /^c$/i;
+      $_ = interact('Continue, Update & retry, or Quit? [Q] ', $force_update, $force_continue);
+      tests_exit(1) if /^q?$/;
+      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
       # remove it from the @oldmails vector, as otherwise it will still be
       # checked for when we re-run the test.
 
-      if (/^u$/i)
+      if (/^u$/)
         {
         foreach $key (keys %expected_mails)
           {
@@ -1574,9 +1698,9 @@ 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"};
       }
     }
@@ -1601,11 +1725,14 @@ if (! $msglog_skip)
 
     for (;;)
       {
-      interact("Continue, Update, or Quit? [Q] ", $force_update, $force_continue);
-      tests_exit(1) if /^q?$/i;
-      log_failure($log_failed_filename, $testno, "missing msglog") if (/^c$/i && $force_continue);
-      last if /^c$/i;
-      if (/^u$/i)
+      $_ = interact('Continue, Update, or Quit? [Q] ', $force_update, $force_continue);
+      tests_exit(1) if /^q?$/;
+      if (/^c$/ && $force_continue) {
+	log_failure($log_failed_filename, $testno, "missing msglog");
+	log_test($log_summary_filename, $testno, 'F')
+      }
+      last if /^c$/;
+      if (/^u$/)
         {
         foreach $key (keys %expected_msglogs)
           {
@@ -1680,6 +1807,8 @@ my($commandnameref) = $_[3];
 my($aux_info) = $_[4];
 my($yield) = 1;
 
+our %ENV = map { $_ => $ENV{$_} } grep { /^(?:USER|SHELL|PATH|TERM|EXIM_TEST_.*)$/ } keys %ENV;
+
 if (/^(\d+)\s*$/)                # Handle unusual return code
   {
   my($r) = $_[2];
@@ -1790,8 +1919,16 @@ if (/^dump\s+(\S+)/)
   }
 
 
-# The "echo" command is a way of writing comments to the screen.
+# verbose comments start with ###
+if (/^###\s/) {
+  for my $file (qw(test-stdout test-stderr test-stderr-server test-stdout-server)) {
+    open my $fh, '>>', $file or die "Can't open >>$file: $!\n";
+    say {$fh} $_;
+  }
+  return 0;
+}
 
+# The "echo" command is a way of writing comments to the screen.
 if (/^echo\s+(.*)$/)
   {
   print "$1\n";
@@ -1945,7 +2082,7 @@ if (/^sleep\s+(.*)$/)
 # Various Unix management commands are recognized
 
 if (/^(ln|ls|du|mkdir|mkfifo|touch|cp|cat)\s/ ||
-    /^sudo (rmdir|rm|chown|chmod)\s/)
+    /^sudo\s(rmdir|rm|mv|chown|chmod)\s/)
   {
   run_system("$_ >>test-stdout 2>>test-stderr");
   return 1;
@@ -1966,6 +2103,7 @@ if (/^(ln|ls|du|mkdir|mkfifo|touch|cp|cat)\s/ ||
 # command, triggered by $server_pid being non-zero. The server sends its output
 # to a different file. The variable $server_opts, if not empty, contains
 # options to disable IPv4 or IPv6 if necessary.
+# This works because "server" swallows its stdin before waiting for a connection.
 
 if (/^server\s+(.*)$/)
   {
@@ -2027,7 +2165,7 @@ if (/^(cat)?write\s+(\S+)(?:\s+(.*))?\s*$/)
     while (scalar @sizes > 0)
       {
       ($count,$len,$leadin) = (shift @sizes) =~ /(\d+)x(\d+)(?:=(.*))?/;
-      $leadin = "" if !defined $leadin;
+      $leadin = '' if !defined $leadin;
       $leadin =~ s/_/ /g;
       $len -= length($leadin) + 1;
       while ($count-- > 0)
@@ -2083,12 +2221,12 @@ if (/^client/ || /^(sudo\s+)?perl\b/)
 # not drop privilege when -C and -D options are present. To run the exim
 # command as root, we use sudo.
 
-elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+)?\s+(.*)$/)
+elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+)?\s+(.*)$/)
   {
   $args = $6;
-  my($envset) = (defined $1)? $1      : "";
-  my($sudo)   = (defined $3)? "sudo " . (defined $4 ? "-u $4 ":"")  : "";
-  my($special)= (defined $5)? $5      : "";
+  my($envset) = (defined $1)? $1      : '';
+  my($sudo)   = (defined $3)? "sudo " . (defined $4 ? "-u $4 ":'')  : '';
+  my($special)= (defined $5)? $5      : '';
   $wait_time  = (defined $2)? $2      : 0;
 
   # Return 2 rather than 1 afterwards
@@ -2130,8 +2268,7 @@ elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+)?\s+(.*
 
     # Done backwards just in case there are more than 9
 
-    my($i);
-    for ($i = @msglist; $i > 0; $i--) { $args =~ s/\$msg$i/$msglist[$i-1]/g; }
+    for (my $i = @msglist; $i > 0; $i--) { $args =~ s/\$msg$i/$msglist[$i-1]/g; }
     if ( $args =~ /\$msg\d/ )
       {
       tests_exit(-1, "Not enough messages in spool, for test $testno line $lineno\n")
@@ -2144,7 +2281,10 @@ elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+)?\s+(.*
 
   $args =~ s/(?:^|\s)-d\S*// if $optargs =~ /(?:^|\s)-d/;
 
-  $cmd = "$envset$sudo$parm_cwd/eximdir/exim$special$optargs " .
+  my $opt_valgrind = $valgrind ? "valgrind --leak-check=yes --suppressions=$parm_cwd/aux-fixed/valgrind.supp " : '';
+
+  $cmd = "$envset$sudo$opt_valgrind" .
+         "$parm_cwd/eximdir/exim$special$optargs " .
          "-DEXIM_PATH=$parm_cwd/eximdir/exim$special " .
          "-C $parm_cwd/test-config $args " .
          ">>test-stdout 2>>test-stderr";
@@ -2193,31 +2333,24 @@ elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+)?\s+(.*
     }
   elsif ($cmd =~ /\s-DSERVER=wait:(\d+)\s/)
     {
+
+    # The port and the $dynamic_socket was already allocated while parsing the
+    # script file, where -DSERVER=wait:PORT_DYNAMIC was encountered.
+
     my $listen_port = $1;
-    my $waitmode_sock = new FileHandle;
     if ($debug) { printf ">> wait-mode daemon: $cmd\n"; }
     run_system("sudo mkdir spool/log 2>/dev/null");
     run_system("sudo chown $parm_eximuser:$parm_eximgroup spool/log");
 
-    my ($s_ip,$s_port) = ('127.0.0.1', $listen_port);
-    my $sin = sockaddr_in($s_port, inet_aton($s_ip))
-        or die "** Failed packing $s_ip:$s_port\n";
-    socket($waitmode_sock, PF_INET, SOCK_STREAM, getprotobyname('tcp'))
-        or die "** Unable to open socket $s_ip:$s_port: $!\n";
-    setsockopt($waitmode_sock, SOL_SOCKET, SO_REUSEADDR, 1)
-        or die "** Unable to setsockopt(SO_REUSEADDR): $!\n";
-    bind($waitmode_sock, $sin)
-        or die "** Unable to bind socket ($s_port): $!\n";
-    listen($waitmode_sock, 5);
     my $pid = fork();
     if (not defined $pid) { die "** fork failed: $!\n" }
     if (not $pid) {
       close(STDIN);
-      open(STDIN, "<&", $waitmode_sock) or die "** dup sock to stdin failed: $!\n";
-      close($waitmode_sock);
+      open(STDIN, '<&', $dynamic_socket) or die "** dup sock to stdin failed: $!\n";
+      close($dynamic_socket);
       print "[$$]>> ${cmd}-server\n" if ($debug);
       exec "exec ${cmd}-server";
-      exit(1);
+      die "Can't exec ${cmd}-server: $!\n";
     }
     while (<SCRIPT>) { $lineno++; last if /^\*{4}\s*$/; }   # Ignore any input
     select(undef, undef, undef, 0.3);             # Let the daemon get going
@@ -2276,7 +2409,7 @@ else { tests_exit(-1, "Command unrecognized in line $lineno: $_"); }
 # -DSERVER=server add "-server" to the command, where it will adjoin the name
 # for the stderr file. See comment above about the use of -DSERVER.
 
-$stderrsuffix = ($cmd =~ /\s-DSERVER=server\s/)? "-server" : "";
+$stderrsuffix = ($cmd =~ /\s-DSERVER=server\s/)? "-server" : '';
 print ">> |${cmd}${stderrsuffix}\n" if ($debug);
 open CMD, "|${cmd}${stderrsuffix}" || tests_exit(1, "Failed to run $cmd");
 
@@ -2314,7 +2447,7 @@ return $yield;            # Ran command and waited
 ###############################################################################
 ###############################################################################
 
-# Here beginneth the Main Program ...
+# Here begins the Main Program ...
 
 ###############################################################################
 ###############################################################################
@@ -2327,9 +2460,9 @@ print "Exim tester $testversion\n";
 # we map all (.../bin) to (.../sbin:.../bin)
 $ENV{PATH} = do {
   my %seen = map { $_, 1 } split /:/, $ENV{PATH};
-  join ':' => map { m{(.*)/bin$} 
-                ? ( $seen{"$1/sbin"} ? () : ("$1/sbin"), $_) 
-                : ($_) } 
+  join ':' => map { m{(.*)/bin$}
+                ? ( $seen{"$1/sbin"} ? () : ("$1/sbin"), $_)
+                : ($_) }
       split /:/, $ENV{PATH};
 };
 
@@ -2344,7 +2477,7 @@ umask 022;
 #       Check for the "less" command             #
 ##################################################
 
-$more = "more" if system("which less >/dev/null 2>&1") != 0;
+$more = 'more' if system('which less >/dev/null 2>&1') != 0;
 
 
 
@@ -2353,7 +2486,7 @@ $more = "more" if system("which less >/dev/null 2>&1") != 0;
 ##################################################
 
 print "You need to have sudo access to root to run these tests. Checking ...\n";
-if (system("sudo date >/dev/null") != 0)
+if (system('sudo true >/dev/null') != 0)
   {
   die "** Test for sudo failed: testing abandoned.\n";
   }
@@ -2372,8 +2505,8 @@ 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 > 0 && (-x $ARGV[0] or $ARGV[0] =~ m?^/?))? Cwd::abs_path(shift @ARGV) : "";
-print "Exim binary is $parm_exim\n" if $parm_exim ne "";
+($parm_exim, @ARGV) = Exim::Runtest::exim_binary(@ARGV);
+print "Exim binary is $parm_exim\n" if $parm_exim ne '';
 
 
 
@@ -2388,7 +2521,7 @@ print "Exim binary is $parm_exim\n" if $parm_exim ne "";
 while (@ARGV > 0 && $ARGV[0] =~ /^-/)
   {
   my($arg) = shift @ARGV;
-  if ($optargs eq "")
+  if ($optargs eq '')
     {
     if ($arg eq "-DEBUG")  { $debug = 1; $cr = "\n"; next; }
     if ($arg eq "-DIFF")   { $cf = "diff -u"; next; }
@@ -2399,6 +2532,7 @@ while (@ARGV > 0 && $ARGV[0] =~ /^-/)
     if ($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";
@@ -2438,58 +2572,9 @@ $parm_cwd = Cwd::getcwd();
 # takes precedence; otherwise exim-snapshot takes precedence over any numbered
 # releases.
 
-if ($parm_exim eq "")
-  {
-  my($use_srcdir) = "";
-
-  opendir DIR, ".." || die "** Failed to opendir \"..\": $!\n";
-  while ($f = readdir(DIR))
-    {
-    my($srcdir);
-
-    # Try this directory if it is "exim4" or if it is exim-snapshot or exim-n.m
-    # possibly followed by -RCx where n.m is greater than any previously tried
-    # directory. Thus, we should choose the highest version of Exim that has
-    # been compiled.
-
-    if ($f eq "exim4" || $f eq "exim-snapshot" || $f eq 'src')
-      { $srcdir = $f; }
-    else
-      { $srcdir = $f
-        if ($f =~ /^exim-\d+\.\d+(-RC\d+)?$/ && $f gt $use_srcdir); }
-
-    # Look for a build directory with a binary in it. If we find a binary,
-    # accept this source directory.
-
-    if ($srcdir)
-      {
-      opendir SRCDIR, "../$srcdir" ||
-        die "** Failed to opendir \"$cwd/../$srcdir\": $!\n";
-      while ($f = readdir(SRCDIR))
-        {
-        if ($f =~ /^build-/ && -e "../$srcdir/$f/exim")
-          {
-          $use_srcdir = $srcdir;
-          $parm_exim = "$cwd/../$srcdir/$f/exim";
-          $parm_exim =~ s'/[^/]+/\.\./'/';
-          last;
-          }
-        }
-      closedir(SRCDIR);
-      }
-
-    # If we have found "exim4" or "exim-snapshot", that takes precedence.
-    # Otherwise, continue to see if there's a later version.
-
-    last if $use_srcdir eq "exim4" || $use_srcdir eq "exim-snapshot";
-    }
-  closedir(DIR);
-  print "Exim binary found in $parm_exim\n" if $parm_exim ne "";
-  }
-
 # If $parm_exim is still empty, ask the caller
 
-if ($parm_exim eq "")
+if ($parm_exim eq '')
   {
   print "** Did not find an Exim binary to test\n";
   for ($i = 0; $i < 5; $i++)
@@ -2507,7 +2592,7 @@ if ($parm_exim eq "")
       print "** $trybin does not exist\n";
       }
     }
-  die "** Too many tries\n" if $parm_exim eq "";
+  die "** Too many tries\n" if $parm_exim eq '';
   }
 
 
@@ -2527,30 +2612,53 @@ 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*'`;
+    if (defined $git and $? == 0) {
+      chomp $git;
+      $version =~ s/^\d+\K\./_/;
+      $git =~ s/^exim-//i;
+      $git =~ s/.*-\Kg([[:xdigit:]]+(?:-XX)?)/$1/;
+      print <<___
+
+*** Version mismatch
+*** Exim binary: $version
+*** Git        : $git
+
+___
+        if not $version eq $git;
+    }
+  }
   $parm_eximuser = $1 if /^exim_user = (.*)$/;
   $parm_eximgroup = $1 if /^exim_group = (.*)$/;
   $parm_trusted_config_list = $1 if /^TRUSTED_CONFIG_LIST:.*?"(.*?)"$/;
-  print "$_" if /wrong owner/;
+  ($parm_configure_owner, $parm_configure_group) = ($1, $2)
+	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";
-  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)
   {
@@ -2586,7 +2694,15 @@ else
   die "Unable to check the TRUSTED_CONFIG_LIST, seems to be empty?\n";
   }
 
-open(EXIMINFO, "$parm_exim -bV -C $parm_cwd/test-config -DDIR=$parm_cwd |") ||
+die "CONFIGURE_OWNER ($parm_configure_owner) does not match the user invoking $0 ($>)\n"
+	if $parm_configure_owner != $>;
+
+die "CONFIGURE_GROUP ($parm_configure_group) does not match the group invoking $0 ($))\n"
+	if 0020 & (stat "$parm_cwd/test-config")[2]
+	and $parm_configure_group != $);
+
+
+open(EXIMINFO, "$parm_exim -d-all+transport -bV -C $parm_cwd/test-config -DDIR=$parm_cwd |") ||
   die "** Cannot run $parm_exim: $!\n";
 
 print "-" x 78, "\n";
@@ -2595,7 +2711,7 @@ while (<EXIMINFO>)
   {
   my(@temp);
 
-  if (/^Exim version/) { print; }
+  if (/^(Exim|Library) version/) { print; }
 
   elsif (/^Size of off_t: (\d+)/)
     {
@@ -2653,7 +2769,7 @@ while (<EXIMINFO>)
       if ($k =~ "/")
         {
         @temp = split /\//, $k;
-        $parm_transports{"$temp[0]"} = " ";
+        $parm_transports{$temp[0]} = " ";
         for ($i = 1; $i < @temp; $i++)
           { $parm_transports{"$temp[0]/$temp[$i]"} = " "; }
         }
@@ -2672,7 +2788,7 @@ unlink("$parm_cwd/test-config");
 # These are crude tests. If they aren't good enough, we'll have to improve
 # them, for example by actually passing a message through spamc or clamscan.
 
-if (defined $parm_support{'Content_Scanning'})
+if (defined $parm_support{Content_Scanning})
   {
   my $sock = new FileHandle;
 
@@ -2723,7 +2839,7 @@ if (defined $parm_support{'Content_Scanning'})
       }
     else
       {
-      $parm_running{'SpamAssassin'} = ' ';
+      $parm_running{SpamAssassin} = ' ';
       print "  SpamAssassin (spamd) seems to be running\n";
       }
     }
@@ -2742,11 +2858,11 @@ if (defined $parm_support{'Content_Scanning'})
     print "The clamscan command works";
 
     $test_prefix = $ENV{EXIM_TEST_PREFIX};
-    $test_prefix = "" if !defined $test_prefix;
+    $test_prefix = '' if !defined $test_prefix;
 
     foreach $f ("$test_prefix/etc/clamd.conf",
                 "$test_prefix/usr/local/etc/clamd.conf",
-                "$test_prefix/etc/clamav/clamd.conf", "")
+                "$test_prefix/etc/clamav/clamd.conf", '')
       {
       if (-e $f)
         {
@@ -2757,7 +2873,7 @@ if (defined $parm_support{'Content_Scanning'})
 
     # Read the ClamAV configuration file and find the socket interface.
 
-    if ($clamconf ne "")
+    if ($clamconf ne '')
       {
       my $socket_domain;
       open(IN, "$clamconf") || die "\n** Unable to open $clamconf: $!\n";
@@ -2844,7 +2960,7 @@ if (defined $parm_support{'Content_Scanning'})
           }
         else
           {
-          $parm_running{'ClamAV'} = ' ';
+          $parm_running{ClamAV} = ' ';
           print "  ClamAV seems to be running\n";
           }
         }
@@ -2867,12 +2983,12 @@ if (defined $parm_support{'Content_Scanning'})
 ##################################################
 #       Check for redis                          #
 ##################################################
-if (defined $parm_lookups{'redis'})
+if (defined $parm_lookups{redis})
   {
   if (system("redis-server -v 2>/dev/null >/dev/null") == 0)
     {
     print "The redis-server command works\n";
-    $parm_running{'redis'} = ' ';
+    $parm_running{redis} = ' ';
     }
   else
     {
@@ -2887,21 +3003,21 @@ if (defined $parm_lookups{'redis'})
 # This test suite assumes that Exim has been built with at least the "usual"
 # set of routers, transports, and lookups. Ensure that this is so.
 
-$missing = "";
+$missing = '';
 
-$missing .= "     Lookup: lsearch\n" if (!defined $parm_lookups{'lsearch'});
+$missing .= "     Lookup: lsearch\n" if (!defined $parm_lookups{lsearch});
 
-$missing .= "     Router: accept\n" if (!defined $parm_routers{'accept'});
-$missing .= "     Router: dnslookup\n" if (!defined $parm_routers{'dnslookup'});
-$missing .= "     Router: manualroute\n" if (!defined $parm_routers{'manualroute'});
-$missing .= "     Router: redirect\n" if (!defined $parm_routers{'redirect'});
+$missing .= "     Router: accept\n" if (!defined $parm_routers{accept});
+$missing .= "     Router: dnslookup\n" if (!defined $parm_routers{dnslookup});
+$missing .= "     Router: manualroute\n" if (!defined $parm_routers{manualroute});
+$missing .= "     Router: redirect\n" if (!defined $parm_routers{redirect});
 
-$missing .= "     Transport: appendfile\n" if (!defined $parm_transports{'appendfile'});
-$missing .= "     Transport: autoreply\n" if (!defined $parm_transports{'autoreply'});
-$missing .= "     Transport: pipe\n" if (!defined $parm_transports{'pipe'});
-$missing .= "     Transport: smtp\n" if (!defined $parm_transports{'smtp'});
+$missing .= "     Transport: appendfile\n" if (!defined $parm_transports{appendfile});
+$missing .= "     Transport: autoreply\n" if (!defined $parm_transports{autoreply});
+$missing .= "     Transport: pipe\n" if (!defined $parm_transports{pipe});
+$missing .= "     Transport: smtp\n" if (!defined $parm_transports{smtp});
 
-if ($missing ne "")
+if ($missing ne '')
   {
   print "\n";
   print "** Many features can be included or excluded from Exim binaries.\n";
@@ -2923,8 +3039,8 @@ if ($missing ne "")
 for $prog ("cf", "checkaccess", "client", "client-ssl", "client-gnutls",
            "fakens", "iefbr14", "server")
   {
-  next if ($prog eq "client-ssl" && !defined $parm_support{'OpenSSL'});
-  next if ($prog eq "client-gnutls" && !defined $parm_support{'GnuTLS'});
+  next if ($prog eq "client-ssl" && !defined $parm_support{OpenSSL});
+  next if ($prog eq "client-gnutls" && !defined $parm_support{GnuTLS});
   if (!-e "bin/$prog")
     {
     print "\n";
@@ -2938,9 +3054,9 @@ for $prog ("cf", "checkaccess", "client", "client-ssl", "client-gnutls",
 # have that functionality compiled, we needn't bother.
 
 $dlfunc_deleted = 0;
-if (defined $parm_support{'Expand_dlfunc'} && !-e "bin/loaded")
+if (defined $parm_support{Expand_dlfunc} && !-e 'bin/loaded')
   {
-  delete $parm_support{'Expand_dlfunc'};
+  delete $parm_support{Expand_dlfunc};
   $dlfunc_deleted = 1;
   }
 
@@ -2984,39 +3100,26 @@ else
 # Find this host's IP addresses - there may be many, of course, but we keep
 # one of each type (IPv4 and IPv6).
 
-$parm_ipv4 = "";
-$parm_ipv6 = "";
-
-$local_ipv4 = "";
-$local_ipv6 = "";
-
-open(IFCONFIG, "ifconfig -a|") || die "** Cannot run \"ifconfig\": $!\n";
-while (($parm_ipv4 eq "" || $parm_ipv6 eq "") && ($_ = <IFCONFIG>))
+open(IFCONFIG, '-|', (grep { -x "$_/ip" } split /:/, $ENV{PATH}) ? 'ip address' : 'ifconfig -a')
+  or die "** Cannot run 'ip address' or 'ifconfig -a'\n";
+while (not ($parm_ipv4 and $parm_ipv6) and defined($_ = <IFCONFIG>))
   {
-  my($ip);
-  if ($parm_ipv4 eq "" &&
-      $_ =~ /^\s*inet(?:\saddr)?:?\s?(\d+\.\d+\.\d+\.\d+)\s/i)
+  if (not $parm_ipv4 and /^\s*inet(?:\saddr)?:?\s?(\d+\.\d+\.\d+\.\d+)(?:\/\d+)?\s/i)
     {
-    $ip = $1;
-    next if ($ip =~ /^127\./ || $ip =~ /^10\./);
-    $parm_ipv4 = $ip;
+    next if $1 =~ /^(?:127|10)\./;
+    $parm_ipv4 = $1;
     }
 
-  if ($parm_ipv6 eq "" &&
-      $_ =~ /^\s*inet6(?:\saddr)?:?\s?([abcdef\d:]+)/i)
+  if (not $parm_ipv6 and /^\s*inet6(?:\saddr)?:?\s?([abcdef\d:]+)(?:\/\d+)/i)
     {
-    $ip = $1;
-    next if ($ip eq "::1" || $ip =~ /^fe80/i);
-    $parm_ipv6 = $ip;
+    next if $1 eq '::1' or $1 =~ /^fe80/i;
+    $parm_ipv6 = $1;
     }
   }
 close(IFCONFIG);
 
 # Use private IP addresses if there are no public ones.
 
-$parm_ipv4 = $local_ipv4 if ($parm_ipv4 eq "");
-$parm_ipv6 = $local_ipv6 if ($parm_ipv6 eq "");
-
 # If either type of IP address is missing, we need to set the value to
 # something other than empty, because that wrecks the substitutions. The value
 # is reflected, so use a meaningful string. Set appropriate options for the
@@ -3025,7 +3128,7 @@ $parm_ipv6 = $local_ipv6 if ($parm_ipv6 eq "");
 # of IPV4 or IPv6 can be simulated by command options, which force $have_ipv4
 # and $have_ipv6 false.
 
-if ($parm_ipv4 eq "")
+if (not $parm_ipv4)
   {
   $have_ipv4 = 0;
   $parm_ipv4 = "<no IPv4 address found>";
@@ -3038,23 +3141,23 @@ elsif ($have_ipv4 == 0)
   }
 else
   {
-  $parm_running{"IPv4"} = " ";
+  $parm_running{IPv4} = " ";
   }
 
-if ($parm_ipv6 eq "")
+if (not $parm_ipv6)
   {
   $have_ipv6 = 0;
   $parm_ipv6 = "<no IPv6 address found>";
   $server_opts .= " -noipv6";
-  delete($parm_support{"IPv6"});
+  delete($parm_support{IPv6});
   }
 elsif ($have_ipv6 == 0)
   {
   $parm_ipv6 = "<IPv6 testing disabled>";
   $server_opts .= " -noipv6";
-  delete($parm_support{"IPv6"});
+  delete($parm_support{IPv6});
   }
-elsif (!defined $parm_support{'IPv6'})
+elsif (!defined $parm_support{IPv6})
   {
   $have_ipv6 = 0;
   $parm_ipv6 = "<no IPv6 support in Exim binary>";
@@ -3062,7 +3165,7 @@ elsif (!defined $parm_support{'IPv6'})
   }
 else
   {
-  $parm_running{"IPv6"} = " ";
+  $parm_running{IPv6} = " ";
   }
 
 print "IPv4 address is $parm_ipv4\n";
@@ -3070,7 +3173,7 @@ print "IPv6 address is $parm_ipv6\n";
 
 # For munging test output, we need the reversed IP addresses.
 
-$parm_ipv4r = ($parm_ipv4 !~ /^\d/)? "" :
+$parm_ipv4r = ($parm_ipv4 !~ /^\d/)? '' :
   join(".", reverse(split /\./, $parm_ipv4));
 
 $parm_ipv6r = $parm_ipv6;             # Appropriate if not in use
@@ -3089,8 +3192,16 @@ if ($parm_ipv6 =~ /^[\da-f]/)
 # Find the host name, fully qualified.
 
 chomp($temp = `hostname`);
-$parm_hostname = (gethostbyname($temp))[0];
-$parm_hostname = "no.host.name.found" if $parm_hostname eq "";
+die "'hostname' didn't return anything\n" unless defined $temp and length $temp;
+if ($temp =~ /\./)
+  {
+  $parm_hostname = $temp;
+  }
+else
+  {
+  $parm_hostname = (gethostbyname($temp))[0];
+  $parm_hostname = "no.host.name.found" unless defined $parm_hostname and length $parm_hostname;
+  }
 print "Hostname is $parm_hostname\n";
 
 if ($parm_hostname !~ /\./)
@@ -3145,8 +3256,8 @@ die "** Unable to make patched exim: $!\n"
 # tests_exit(), so that suitable cleaning up can be done when required.
 # Arrange to catch interrupting signals, to assist with this.
 
-$SIG{'INT'} = \&inthandler;
-$SIG{'PIPE'} = \&pipehandler;
+$SIG{INT} = \&inthandler;
+$SIG{PIPE} = \&pipehandler;
 
 # For some tests, we need another copy of the binary that is setuid exim rather
 # than root.
@@ -3167,10 +3278,10 @@ system("sudo cp eximdir/exim eximdir/exim_exim;" .
 ($parm_exim_dir) = $parm_exim =~ m?^(.*)/exim?;
 
 $dbm_build_deleted = 0;
-if (defined $parm_lookups{'dbm'} &&
+if (defined $parm_lookups{dbm} &&
     system("cp $parm_exim_dir/exim_dbmbuild eximdir") != 0)
   {
-  delete $parm_lookups{'dbm'};
+  delete $parm_lookups{dbm};
   $dbm_build_deleted = 1;
   }
 
@@ -3214,6 +3325,11 @@ if ($parm_caller_uid eq $parm_exim_uid) {
   tests_exit(-1, "Exim user ($parm_eximuser,$parm_exim_uid) cannot be "
                 ."the same as caller ($parm_caller,$parm_caller_uid)");
 }
+if ($parm_caller_gid eq $parm_exim_gid) {
+  tests_exit(-1, "Exim group ($parm_eximgroup,$parm_exim_gid) cannot be "
+                ."the same as caller's ($parm_caller) group as it confuses "
+                ."results analysis");
+}
 
 print "The Exim user needs access to the test suite directory. Checking ...";
 
@@ -3273,6 +3389,8 @@ for ($i = 0; $i < @test_dirs; $i++)
 
 # Scan for relevant tests
 
+tests_exit(-1, "Failed to unlink $log_summary_filename")
+  if (-e $log_summary_filename && !unlink($log_summary_filename));
 for ($i = 0; $i < @test_dirs; $i++)
   {
   my($testdir) = $test_dirs[$i];
@@ -3342,7 +3460,6 @@ 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
@@ -3355,9 +3472,15 @@ for ($i = 0; $i < @test_dirs; $i++)
 
   foreach $test (@testlist)
     {
-    next if $test !~ /^\d{4}(?:\.\d+)?$/;
-    next if $test < $test_start || $test > $test_end;
-    push @test_list, "$testdir/$test";
+    next if ($test !~ /^\d{4}(?:\.\d+)?$/);
+    if (!$wantthis || $test < $test_start || $test > $test_end)
+      {
+      log_test($log_summary_filename, $test, '.');
+      }
+    else
+      {
+      push @test_list, "$testdir/$test";
+      }
     }
   }
 
@@ -3425,8 +3548,8 @@ foreach $basedir ("aux-var", "dnszones")
 
 # Set a user's shell, distinguishable from /bin/sh
 
-symlink("/bin/sh","aux-var/sh");
-$ENV{'SHELL'} = $parm_shell = $parm_cwd . "/aux-var/sh";
+symlink('/bin/sh' => 'aux-var/sh');
+$ENV{SHELL} = $parm_shell = "$parm_cwd/aux-var/sh";
 
 ##################################################
 #     Create fake DNS zones for this host        #
@@ -3479,7 +3602,7 @@ if ($have_ipv6 && $parm_ipv6 ne "::1")
   }
   my(@components) = split /:/, $exp_v6;
   my(@nibbles) = reverse (split /\s*/, shift @components);
-  my($sep) =  "";
+  my($sep) =  '';
 
   $" = ".";
   open(OUT, ">$parm_cwd/dnszones/db.ip6.@nibbles") ||
@@ -3528,13 +3651,18 @@ closedir(DIR);
 # contains ****. We open input from the terminal so that we can read responses
 # to prompts.
 
-open(T, "/dev/tty") || tests_exit(-1, "Failed to open /dev/tty: $!");
+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: $!");
+}
+
 
 print "\nPress RETURN to run the tests: ";
 $_ = $force_continue ? "c" : <T>;
 print "\n";
 
-$lasttestdir = "";
+$lasttestdir = '';
 
 foreach $test (@test_list)
   {
@@ -3548,12 +3676,14 @@ foreach $test (@test_list)
   my($docheck) = 1;
   my($thistestdir) = substr($test, 0, -5);
 
+  $dynamic_socket->close() if $dynamic_socket;
+
   if ($lasttestdir ne $thistestdir)
     {
     $gnutls = 0;
     if (-s "scripts/$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");
@@ -3597,7 +3727,7 @@ foreach $test (@test_list)
   $stdout_skip = 0;
   $rmfiltertest = 0;
   $is_ipv6test = 0;
-  $TEST_STATE->{munge} = "";
+  $TEST_STATE->{munge} = '';
 
   # Remove the associative arrays used to hold checked mail files and msglogs
 
@@ -3616,6 +3746,7 @@ foreach $test (@test_list)
     if (/^no_stdout_check/)  { $stdout_skip = 1; next; }
     if (/^rmfiltertest/)     { $rmfiltertest = 1; next; }
     if (/^sortlog/)          { $sortlog = 1; next; }
+    if (/\bPORT_DYNAMIC\b/)  { $dynamic_socket = Exim::Runtest::dynamic_socket(); next; }
     }
   # Reset to beginning of file for per test interpreting/processing
   seek(SCRIPT, 0, 0);
@@ -3683,7 +3814,7 @@ foreach $test (@test_list)
 
       if (/^need_move_frozen_messages/)
         {
-        next if defined $parm_support{"move_frozen_messages"};
+        next if defined $parm_support{move_frozen_messages};
         print ">>> move frozen message support is needed for test $testno, " .
           "but is not\n>>> available: skipping\n";
         $docheck = 0;      # don't check output
@@ -3691,22 +3822,23 @@ foreach $test (@test_list)
         last;
         }
 
-      last unless /^(#|\s*$)/;
+      last unless /^(?:#(?!##\s)|\s*$)/;
       }
     last if !defined $_;  # Hit EOF
 
     my($subtest_startline) = $lineno;
 
-    # Now run the command. The function returns 0 if exim was run and waited
-    # for, 1 if any other command was run and waited for, and 2 if a command
+    # Now run the command. The function returns 0 for an inline command,
+    # 1 if a non-exim command was run and waited for, 2 if an exim
+    # command was run and waited for, and 3 if a command
     # was run and not waited for (usually a daemon or server startup).
 
-    my($commandname) = "";
+    my($commandname) = '';
     my($expectrc) = 0;
     my($rc, $run_extra) = run_command($testno, \$subtestno, \$expectrc, \$commandname, $TEST_STATE);
     my($cmdrc) = $?;
 
-$0 = "[runtest $testno]";
+    $0 = "[runtest $testno]";
 
     if ($debug) {
       print ">> rc=$rc cmdrc=$cmdrc\n";
@@ -3760,8 +3892,19 @@ $0 = "[runtest $testno]";
         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);
-        print "... continue forced\n" if $force_continue;
+	if (/^c$/ && $force_continue) {
+	  log_failure($log_failed_filename, $testno, "exit code unexpected");
+	  log_test($log_summary_filename, $testno, 'F')
+	}
+        if ($force_continue)
+          {
+          print "\nstderr tail:\n";
+          print "===================\n";
+          system("tail -20 test-stderr");
+          print "===================\n";
+          print "... continue forced\n";
+          }
+
         last if /^[rc]$/i;
         if (/^e$/i)
           {
@@ -3799,7 +3942,10 @@ $0 = "[runtest $testno]";
           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;
 
@@ -3819,9 +3965,9 @@ $0 = "[runtest $testno]";
   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
-  # 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)
     {
@@ -3832,14 +3978,16 @@ $0 = "[runtest $testno]";
 
   if ($docheck)
     {
-    if (check_output($TEST_STATE->{munge}) != 0)
+    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;
       }
     }
   }
@@ -3853,4 +4001,3 @@ tests_exit(-1, "No runnable tests selected") if @test_list == 0;
 tests_exit(0);
 
 # End of runtest script
-# vim: set sw=2 et :