X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/c816d12454be94abb341da9658ca60a8e25fab7c..5f921f97ea35dc788cebd28adbf95877a25a5b1a:/test/runtest

diff --git a/test/runtest b/test/runtest
index 9d84232ff..d060fda92 100755
--- a/test/runtest
+++ b/test/runtest
@@ -1,7 +1,5 @@
 #! /usr/bin/perl -w
 
-# $Cambridge: exim/test/runtest,v 1.11 2006/07/03 15:39:06 ph10 Exp $
-
 ###############################################################################
 # This is the controlling script for the "new" test suite for Exim. It should #
 # be possible to export this suite for running on a wide variety of hosts, in #
@@ -15,24 +13,39 @@
 # Placed in the Exim CVS: 06 February 2006                                    #
 ###############################################################################
 
-require Cwd;
+#use strict;
 use Errno;
 use FileHandle;
 use Socket;
+use Time::Local;
+use Cwd;
+use File::Basename;
+use if $ENV{DEBUG} && $ENV{DEBUG} =~ /\bruntest\b/ => ('Smart::Comments' => '####');
 
 
 # Start by initializing some global variables
 
-$testversion = "4.62 (20-Apr-06)";
+$testversion = "4.80 (08-May-12)";
+
+# 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
+# use certtool/... to ask what that value currently is.  *sigh*
+# 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;
 
-$cf = "bin/cf";
+$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;
@@ -67,6 +80,13 @@ $parm_port_d2 = 1226;        # Additional for daemon
 $parm_port_d3 = 1227;        # Additional for daemon
 $parm_port_d4 = 1228;        # Additional for daemon
 
+# Manually set locale
+$ENV{'LC_ALL'} = 'C';
+
+# In some environments USER does not exists, but we
+# need it for some test(s)
+$ENV{USER} = getpwuid($>)
+  if not exists $ENV{USER};
 
 
 ###############################################################################
@@ -98,6 +118,7 @@ sub inthandler { print "\n"; tests_exit(-1, "Caught SIGINT"); }
 
 sub do_substitute{
 s?\bCALLER\b?$parm_caller?g;
+s?\bCALLERGROUP\b?$parm_caller_group?g;
 s?\bCALLER_UID\b?$parm_caller_uid?g;
 s?\bCALLER_GID\b?$parm_caller_gid?g;
 s?\bCLAMSOCKET\b?$parm_clamsocket?g;
@@ -119,6 +140,12 @@ s?\bV6NET:?$parm_ipv6_test_net:?g;
 }
 
 
+##################################################
+#     Any state to be preserved across tests     #
+##################################################
+
+my $TEST_STATE = {};
+
 
 ##################################################
 #        Subroutine to tidy up and exit          #
@@ -141,6 +168,13 @@ my($spool);
 # than SIGTERM to stop it outputting "Terminated" to the terminal when not in
 # the background.
 
+if (exists $TEST_STATE->{exim_pid})
+  {
+  $pid = $TEST_STATE->{exim_pid};
+  print "Tidyup: killing wait-mode daemon pid=$pid\n";
+  system("sudo kill -INT $pid");
+  }
+
 if (opendir(DIR, "spool"))
   {
   my(@spools) = sort readdir(DIR);
@@ -152,7 +186,7 @@ if (opendir(DIR, "spool"))
     chomp($pid = <PID>);
     close(PID);
     print "Tidyup: killing daemon pid=$pid\n";
-    system("sudo rm -f spool/$spool; sudo kill -SIGINT $pid");
+    system("sudo rm -f spool/$spool; sudo kill -INT $pid");
     }
   }
 else
@@ -166,7 +200,10 @@ close(T);
 system("sudo /bin/rm -rf ./spool test-* ./dnszones/*")
   if ($rc == 0 && !$save_output);
 
-system("sudo /bin/rm -rf ./eximdir/*");
+system("sudo /bin/rm -rf ./eximdir/*")
+  if (!$save_output);
+
+print "\nYou were in test $test at the end there.\n\n" if defined $test;
 exit $rc if ($rc >= 0);
 die "** runtest error: $_[1]\n";
 }
@@ -197,14 +234,26 @@ return $newid;
 }
 
 
-# This is used while munging the output from exim_dumpdb. We cheat by assuming
-# that the  date always the same, and just return the number of seconds since
-# midnight.
+# This is used while munging the output from exim_dumpdb.
+# May go wrong across DST changes.
 
 sub date_seconds {
 my($day,$month,$year,$hour,$min,$sec) =
   $_[0] =~ /^(\d\d)-(\w\w\w)-(\d{4})\s(\d\d):(\d\d):(\d\d)/;
-return $hour * 60 * 60 + $min * 60 + $sec;
+my($mon);
+if   ($month =~ /Jan/) {$mon = 0;}
+elsif($month =~ /Feb/) {$mon = 1;}
+elsif($month =~ /Mar/) {$mon = 2;}
+elsif($month =~ /Apr/) {$mon = 3;}
+elsif($month =~ /May/) {$mon = 4;}
+elsif($month =~ /Jun/) {$mon = 5;}
+elsif($month =~ /Jul/) {$mon = 6;}
+elsif($month =~ /Aug/) {$mon = 7;}
+elsif($month =~ /Sep/) {$mon = 8;}
+elsif($month =~ /Oct/) {$mon = 9;}
+elsif($month =~ /Nov/) {$mon = 10;}
+elsif($month =~ /Dec/) {$mon = 11;}
+return timelocal($sec,$min,$hour,$day,$mon,$year);
 }
 
 
@@ -274,9 +323,12 @@ return @yield;
 
 sub munge {
 my($file) = $_[0];
+my($extra) = $_[1];
 my($yield) = 0;
 my(@saved) = ();
 
+local $_;
+
 open(IN, "$file") || tests_exit(-1, "Failed to open $file: $!");
 
 my($is_log) = $file =~ /log/;
@@ -298,6 +350,14 @@ $spid = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
 
 while(<IN>)
   {
+RESET_AFTER_EXTRA_LINE_READ:
+  # Custom munges
+  if ($extra)
+    {
+    next if $extra =~ m%^/%  &&  eval $extra;
+    eval $extra if $extra =~ m/^s/;
+    }
+
   # Check for "*** truncated ***"
   $yield = 1 if /\*\*\* truncated \*\*\*/;
 
@@ -307,11 +367,15 @@ while(<IN>)
   # But convert "name=the.local.host address=127.0.0.1" to use "localhost"
   s/name=the\.local\.host address=127\.0\.0\.1/name=localhost address=127.0.0.1/g;
 
+  # The name of the shell may vary
+  s/\s\Q$parm_shell\E\b/ ENV_SHELL/;
+
   # Replace the path to the testsuite directory
   s?\Q$parm_cwd\E?TESTSUITE?g;
 
   # Replace the Exim version number (may appear in various places)
-  s/Exim \d+\.\d+[\w-]*/Exim x.yz/i;
+  # patchexim should have fixed this for us
+  #s/(Exim) \d+\.\d+[\w_-]*/$1 x.yz/i;
 
   # Replace Exim message ids by a unique series
   s/((?:[^\W_]{6}-){2}[^\W_]{2})
@@ -329,7 +393,8 @@ while(<IN>)
   s/TlRMTVNTUAACAAAAAAAAAAAoAAABgg[\w+\/]+/TlRMTVNTUAACAAAAAAAAAAAoAAABggAAAEbBRwqFwwIAAAAAAAAAAAAt1sgAAAAA/;
 
   # PRVS values
-  s?prvs=([^/]+)/[\da-f]{10}@?prvs=$1/xxxxxxxxxx@?g;
+  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
@@ -337,6 +402,9 @@ while(<IN>)
   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/;
+
   # One error test in expansions mentions base 62 or 36
   s/is not a base (36|62) number/is not a base 36\/62 number/;
 
@@ -349,14 +417,16 @@ while(<IN>)
   # The message for a non-listening FIFO varies
   s/:[^:]+: while opening named pipe/: Error: while opening named pipe/;
 
-  # The name of the shell may vary
-  s/\s\Q$parm_shell\E\b/ SHELL/;
-
   # Debugging output of lists of hosts may have different sort keys
   s/sort=\S+/sort=xx/ if /^\S+ (?:\d+\.){3}\d+ mx=\S+ sort=\S+/;
 
   # Random local part in callout cache testing
   s/myhost.test.ex-\d+-testing/myhost.test.ex-dddddddd-testing/;
+  s/the.local.host.name-\d+-testing/the.local.host.name-dddddddd-testing/;
+
+  # 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/;
 
 
   # ======== Dumpdb output ========
@@ -414,7 +484,7 @@ while(<IN>)
     $_ = "  first failed=dddd last try=dddd next try=+$next $4\n";
     }
   s/^(\s*)now=\d+ first_failed=\d+ next_try=\d+ expired=(\d)/$1now=tttt first_failed=tttt next_try=tttt expired=$2/;
-  s/^(\s*)received_time=\d+ diff=\d+ timeout=(\d+)/$1now=tttt received_time=tttt diff=tttt timeout=$2/;
+  s/^(\s*)received_time=\d+ diff=\d+ timeout=(\d+)/$1received_time=tttt diff=tttt timeout=$2/;
 
   # Time to retry may vary
   s/time to retry = \S+/time to retry = tttt/;
@@ -424,8 +494,77 @@ while(<IN>)
   # 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;
 
-
-  # ======== Caller's login, uid, gid, home ========
+  # Time on queue tolerance
+  s/(QT|D)=1s/$1=0s/;
+
+  # Eximstats heading
+  s/Exim\sstatistics\sfrom\s\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\sto\s
+    \d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Exim statistics from <time> to <time>/x;
+
+  # Treat ECONNRESET the same as ECONNREFUSED.  At least some systems give
+  # us the former on a new connection.
+  s/(could not connect to .*: Connection) reset by peer$/$1 refused/;
+
+  # ======== TLS certificate algorithms ========
+  # Test machines might have various different TLS library versions supporting
+  # different protocols; can't rely upon TLS 1.2's AES256-GCM-SHA384, so we
+  # treat the standard algorithms the same.
+  # So far, have seen:
+  #   TLSv1:AES128-GCM-SHA256:128
+  #   TLSv1:AES256-SHA:256
+  #   TLSv1.1:AES256-SHA:256
+  #   TLSv1.2:AES256-GCM-SHA384:256
+  #   TLSv1.2:DHE-RSA-AES256-SHA:256
+  #   TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128
+  # We also need to handle the ciphersuite without the TLS part present, for
+  # client-ssl's output.  We also see some older forced ciphersuites, but
+  # negotiating TLS 1.2 instead of 1.0.
+  # Mail headers (...), log-lines X=..., client-ssl output ...
+  # (and \b doesn't match between ' ' and '(' )
+
+  s/( (?: (?:\b|\s) [\(=] ) | \s )TLSv1\.[12]:/$1TLSv1:/xg;
+  s/\bAES128-GCM-SHA256:128\b/AES256-SHA:256/g;
+  s/\bAES128-GCM-SHA256\b/AES256-SHA/g;
+  s/\bAES256-GCM-SHA384\b/AES256-SHA/g;
+  s/\bDHE-RSA-AES256-SHA\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
+  #   TLS1.2:RSA_AES_256_CBC_SHA1:256 (canonical)
+  #   TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128
+  #
+  #   X=TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256
+  #   X=TLS1.2:RSA_AES_256_CBC_SHA1:256
+  #   X=TLS1.1:RSA_AES_256_CBC_SHA1:256
+  #   X=TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256
+  # and as stand-alone cipher:
+  #   ECDHE-RSA-AES256-SHA
+  #   DHE-RSA-AES256-SHA256
+  #   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;
+
+  # GnuTLS library error message changes
+  s/No certificate was found/The peer did not send any certificate/g;
+#(dodgy test?)  s/\(certificate verification failed\): invalid/\(gnutls_handshake\): The peer did not send any certificate./g;
+  s/\(gnutls_priority_set\): No or insufficient priorities were set/\(gnutls_handshake\): Could not negotiate a supported cipher suite/g;
+
+  # (this new one is a generic channel-read error, but the testsuite
+  # only hits it in one place)
+  s/TLS error on connection \(gnutls_handshake\): Error in the pull function\./a TLS session is required but an attempt to start TLS failed/g;
+
+  # (replace old with new, hoping that old only happens in one situation)
+  s/TLS error on connection to \d{1,3}(.\d{1,3}){3} \[\d{1,3}(.\d{1,3}){3}\] \(gnutls_handshake\): A TLS packet with unexpected length was received./a TLS session is required for ip4.ip4.ip4.ip4 [ip4.ip4.ip4.ip4], but an attempt to start TLS failed/g;
+  s/TLS error on connection from \[127.0.0.1\] \(recv\): A TLS packet with unexpected length was received./TLS error on connection from [127.0.0.1] (recv): The TLS connection was non-properly terminated./g;
+
+  # signature algorithm names
+  s/RSA-SHA1/RSA-SHA/;
+
+
+  # ======== Caller's login, uid, gid, home, gecos ========
 
   s/\Q$parm_caller_home\E/CALLER_HOME/g;   # NOTE: these must be done
   s/\b\Q$parm_caller\E\b/CALLER/g;         #       in this order!
@@ -437,6 +576,8 @@ while(<IN>)
   s/\buid=$parm_caller_uid\b/uid=CALLER_UID/g;
   s/\bgid=$parm_caller_gid\b/gid=CALLER_GID/g;
 
+  s/\bname="?$parm_caller_gecos"?/name=CALLER_GECOS/g;
+
   # When looking at spool files with -Mvh, we will find not only the caller
   # login, but also the uid and gid. It seems that $) in some Perls gives all
   # the auxiliary gids as well, so don't bother checking for that.
@@ -451,9 +592,10 @@ while(<IN>)
 
 
   # ======== Exim's login ========
-  # For bounce messages, this will appear on the U= lines in logs and also
-  # after Received: and in addresses. In one pipe test it appears after
-  # "Running as:". It also appears in addresses, and in the names of lock
+  # For messages received by the daemon, this is in the -H file, which some
+  # tests inspect. For bounce messages, this will appear on the U= lines in
+  # logs and also after Received: and in addresses. In one pipe test it appears
+  # after "Running as:". It also appears in addresses, and in the names of lock
   # files.
 
   s/U=$parm_eximuser/U=EXIMUSER/;
@@ -470,10 +612,18 @@ while(<IN>)
   s/\buid=$parm_exim_uid\b/uid=EXIM_UID/g;
   s/\bgid=$parm_exim_gid\b/gid=EXIM_GID/g;
 
+  s/^$parm_eximuser $parm_exim_uid $parm_exim_gid/EXIMUSER EXIM_UID EXIM_GID/;
+
 
   # ======== General uids, gids, and pids ========
   # Note: this must come after munges for caller's and exim's uid/gid
 
+  # These are for systems where long int is 64
+  s/\buid=4294967295/uid=-1/;
+  s/\beuid=4294967295/euid=-1/;
+  s/\bgid=4294967295/gid=-1/;
+  s/\begid=4294967295/egid=-1/;
+
   s/\bgid=\d+/gid=gggg/;
   s/\begid=\d+/egid=gggg/;
   s/\bpid=\d+/pid=pppp/;
@@ -489,6 +639,10 @@ while(<IN>)
   # Pid in temp file in appendfile transport
   s"test-mail/temp\.\d+\."test-mail/temp.pppp.";
 
+  # Optional pid in log lines
+  s/^(\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d)(\s[+-]\d\d\d\d|)(\s\[\d+\])/
+    "$1$2 [" . new_value($3, "%s", \$next_pid) . "]"/gxe;
+
   # Detect a daemon stderr line with a pid and save the pid for subsequent
   # removal from following lines.
   $spid = $1 if /^(\s*\d+) (?:listening|LOG: MAIN|(?:daemon_smtp_port|local_interfaces) overridden by)/;
@@ -505,8 +659,8 @@ while(<IN>)
   s/\(port=(\d+)/"(port=" . new_value($1, "%s", \$next_port)/e;
 
   # This handles "connection from" and the like, when the port is given
-  if (!/listening for SMTP on/ && !/Connecting to/ && !/=>/ && !/\*>/ &&
-      !/Connection refused/)
+  if (!/listening for SMTP on/ && !/Connecting to/ && !/=>/ && !/->/
+      && !/\*>/ && !/Connection refused/)
     {
     s/\[([a-z\d:]+|\d+(?:\.\d+){3})\]:(\d+)/"[".$1."]:".new_value($2,"%s",\$next_port)/ie;
     }
@@ -519,6 +673,9 @@ while(<IN>)
   # The amount of space between "host" and the address in verification output
   # depends on the length of the host name. We therefore reduce it to one space
   # for all of them.
+  # Also, the length of space at the end of the host line is dependent
+  # on the length of the longest line, so strip it also on otherwise
+  # un-rewritten lines like localhost
 
   s/^\s+host\s(\S+)\s+(\S+)/  host $1 $2/;
   s/^\s+(host\s\S+\s\S+)\s+(port=.*)/  host $1 $2/;
@@ -526,9 +683,10 @@ while(<IN>)
   s/host\s\Q$parm_ipv4\E\s\[\Q$parm_ipv4\E\]/host ipv4.ipv4.ipv4.ipv4 [ipv4.ipv4.ipv4.ipv4]/;
   s/host\s\Q$parm_ipv6\E\s\[\Q$parm_ipv6\E\]/host ip6:ip6:ip6:ip6:ip6:ip6:ip6:ip6 [ip6:ip6:ip6:ip6:ip6:ip6:ip6:ip6]/;
   s/\b\Q$parm_ipv4\E\b/ip4.ip4.ip4.ip4/g;
-  s/\b\Q$parm_ipv6\E\b/ip6:ip6:ip6:ip6:ip6:ip6:ip6:ip6/g;
+  s/(^|\W)\K\Q$parm_ipv6\E/ip6:ip6:ip6:ip6:ip6:ip6:ip6:ip6/g;
   s/\b\Q$parm_ipv4r\E\b/ip4-reverse/g;
-  s/\b\Q$parm_ipv6r\E\b/ip6-reverse/g;
+  s/(^|\W)\K\Q$parm_ipv6r\E/ip6-reverse/g;
+  s/^(\s+host\s\S+\s+\[\S+\]) +$/$1 /;
 
 
   # ======== Test network IP addresses ========
@@ -555,10 +713,20 @@ while(<IN>)
   # ======== Other error numbers ========
   s/errno=\d+/errno=dd/g;
 
+  # ======== System Error Messages ======
+  # depending on the underlaying file system the error message seems to differ
+  s/(?: is not a regular file)|(?: has too many links \(\d+\))/ not a regular file or too many links/;
 
   # ======== Output from ls ========
   # Different operating systems use different spacing on long output
-  s/ +/ /g if /^[-rwd]{10} /;
+  #s/ +/ /g if /^[-rwd]{10} /;
+  # (Bug 1226) SUSv3 allows a trailing printable char for modified access method control.
+  # Handle only the Gnu and MacOS space, dot, plus and at-sign.  A full [[:graph:]]
+  # unfortunately matches a non-ls linefull of dashes.
+  # Allow the case where we've already picked out the file protection bits.
+  if (s/^([-d](?:[-r][-w][-SsTtx]){3})[.+@]?( +|$)/$1$2/) {
+    s/ +/ /g;
+  }
 
 
   # ======== Message sizes =========
@@ -569,23 +737,25 @@ while(<IN>)
   s/([\s,])S=\d+\b/$1S=sss/;
   s/:S\d+\b/:Ssss/;
   s/^(\s*\d+m\s+)\d+(\s+[a-z0-9-]{16} <)/$1sss$2/i if $is_stdout;
-  s/\sSIZE=\d+\b/ SIZE=ssss/ if $is_stderr || $is_stdout;
+  s/\sSIZE=\d+\b/ SIZE=ssss/;
   s/\ssize=\d+\b/ size=sss/ if $is_stderr;
   s/old size = \d+\b/old size = sssss/;
   s/message size = \d+\b/message size = sss/;
   s/this message = \d+\b/this message = sss/;
   s/Size of headers = \d+/Size of headers = sss/;
   s/sum=(?!0)\d+/sum=dddd/;
-  s/(?<=sum=dddd )count=(?!0)\d+\b/count=dd/;
-  s/(?<=sum=0 )count=(?!0)\d+\b/count=dd/;
+  s/(?<=sum=dddd )count=\d+\b/count=dd/;
+  s/(?<=sum=0 )count=\d+\b/count=dd/;
   s/,S is \d+\b/,S is ddddd/;
   s/\+0100,\d+;/+0100,ddd;/;
   s/\(\d+ bytes written\)/(ddd bytes written)/;
   s/added '\d+ 1'/added 'ddd 1'/;
+  s/Received\s+\d+/Received               nnn/;
+  s/Delivered\s+\d+/Delivered              nnn/;
 
 
   # ======== Values in spool space failure message ========
-  s/space=\d+ inodes=\d+/space=xxxxx inodes=xxxxx/;
+  s/space=\d+ inodes=[+-]?\d+/space=xxxxx inodes=xxxxx/;
 
 
   # ======== Filter sizes ========
@@ -600,8 +770,8 @@ while(<IN>)
   # 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|to) .*? \(SSL_\w+\): error:)(.*)/$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 ========
   # timestamp output in maildir processing
@@ -645,6 +815,16 @@ while(<IN>)
   s/^\d\d\d(?=[PFS*])/ddd/;
 
 
+  # ========= Exim lookups ==================
+  # Lookups have a char which depends on the number of lookup types compiled in,
+  # in stderr output.  Replace with a "0".  Recognising this while avoiding
+  # other output is fragile; perhaps the debug output should be revised instead.
+  s%(?<!sqlite)(?<!lsearch\*@)(?<!lsearch\*)(?<!lsearch)[0-?]TESTSUITE/aux-fixed/%0TESTSUITE/aux-fixed/%g;
+
+  # ==========================================================
+  # MIME boundaries in RFC3461 DSN messages
+  s/\d{8,10}-eximdsn-\d+/NNNNNNNNNN-eximdsn-MMMMMMMMMM/;
+
   # ==========================================================
   # Some munging is specific to the specific file types
 
@@ -673,6 +853,16 @@ while(<IN>)
         next;
         }
       }
+
+    # 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/;
+    next if /SSL verify error: depth=0 error=certificate not trusted/;
+    s/SSL3_READ_BYTES/ssl3_read_bytes/;
+
+    # gnutls version variances
+    next if /^Error in the pull function./;
     }
 
   # ======== stderr ========
@@ -690,7 +880,56 @@ while(<IN>)
     # IP address lookups use gethostbyname() when IPv6 is not supported,
     # and gethostbyname2() or getipnodebyname() when it is.
 
-    s/\bgethostbyname2?|\bgetipnodebyname/get[host|ipnode]byname[2]/;
+    s/\b(gethostbyname2?|\bgetipnodebyname)(\(af=inet\))?/get[host|ipnode]byname[2]/;
+
+    # drop gnutls version strings
+    next if /GnuTLS compile-time version: \d+[\.\d]+$/;
+    next if /GnuTLS runtime version: \d+[\.\d]+$/;
+
+    # drop openssl version strings
+    next if /OpenSSL compile-time version: OpenSSL \d+[\.\da-z]+/;
+    next if /OpenSSL runtime version: OpenSSL \d+[\.\da-z]+/;
+
+    # drop lookups
+    next if /^Lookups \(built-in\):/;
+    next if /^Loading lookup modules from/;
+    next if /^Loaded \d+ lookup modules/;
+    next if /^Total \d+ lookups/;
+
+    # drop compiler information
+    next if /^Compiler:/;
+
+    # and the ugly bit
+    # different libraries will have different numbers (possibly 0) of follow-up
+    # lines, indenting with more data
+    if (/^Library version:/) {
+      while (1) {
+	$_ = <IN>;
+	next if /^\s/;
+	goto RESET_AFTER_EXTRA_LINE_READ;
+      }
+    }
+
+    # drop other build-time controls emitted for debugging
+    next if /^WHITELIST_D_MACROS:/;
+    next if /^TRUSTED_CONFIG_LIST:/;
+
+    # As of Exim 4.74, we log when a setgid fails; because we invoke Exim
+    # with -be, privileges will have been dropped, so this will always
+    # be the case
+    next if /^changing group to \d+ failed: (Operation not permitted|Not owner)/;
+
+    # We might not keep this check; rather than change all the tests, just
+    # ignore it as long as it succeeds; then we only need to change the
+    # TLS tests where tls_require_ciphers has been set.
+    if (m{^changed uid/gid: calling tls_validate_require_cipher}) {
+      my $discard = <IN>;
+      next;
+    }
+    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:
+    next if /^macros_trusted overridden to true by whitelisting/;
 
     # We have to omit the localhost ::1 address so that all is well in
     # the IPv4-only case.
@@ -699,6 +938,9 @@ while(<IN>)
       if (/looked up these IP addresses/);
     next if /name=localhost address=::1/;
 
+    # drop pdkim debugging header
+    next if /^PDKIM <<<<<<<<<<<<<<<<<<<<<<<<<<<<<+$/;
+
     # Various other IPv6 lines must be omitted too
 
     next if /using host_fake_gethostbyname for \S+ \(IPv6\)/;
@@ -716,7 +958,7 @@ while(<IN>)
     # are unset, because tls ain't always there.
 
     next if /in\s(?:tls_advertise_hosts\?|hosts_require_tls\?)
-                \sno\s\(option\sunset\)/x;
+                \sno\s\((option\sunset|end\sof\slist)\)/x;
 
     # Skip auxiliary group lists because they will vary.
 
@@ -782,6 +1024,20 @@ while(<IN>)
         @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.
 
@@ -798,11 +1054,21 @@ while(<IN>)
                 /^Fixed never_users:/ ||
                 /^Size of off_t:/
                 );
+
+
       }
 
     next;
     }
 
+  # ======== log ========
+
+  elsif ($is_log)
+    {
+    # Berkeley DB version differences
+    next if / Berkeley DB error: /;
+    }
+
   # ======== All files other than stderr ========
 
   print MUNGED;
@@ -821,16 +1087,43 @@ return $yield;
 
 # Arguments: [0] the prompt string
 #            [1] if there is a U in the prompt and $force_update is true
-# Returns:   nothing (it sets $_)
+#            [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>; }
 }
 
 
 
+##################################################
+#    Subroutine to log in force_continue mode    #
+##################################################
+
+# In force_continue mode, we just want a terse output to a statically
+# named logfile.  If multiple files in same batch (stdout, stderr, etc)
+# all have mismatches, it will log multiple times.
+#
+# Arguments: [0] the logfile to append to
+#            [1] the testno that failed
+# Returns:   nothing
+
+
+
+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;
+  }
+}
+
+
 
 ##################################################
 #    Subroutine to compare one output file       #
@@ -845,21 +1138,28 @@ if ($_[1]) { $_ = "u"; print "... update forced\n"; }
 #             [2] where to put the munged copy
 #             [3] the name of the saved file
 #             [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 were updated (=> re-compare)
+#             1 comparison failed; files may have been updated (=> re-compare)
 #
 # Does not return if the user replies "Q" to a prompt.
 
 sub check_file{
-my($rf,$rsf,$mf,$sf,$sortfile) = @_;
+my($rf,$rsf,$mf,$sf,$sortfile,$extra) = @_;
 
 # If there is no saved file, the raw files must either not exist, or be
 # empty. The test ! -s is TRUE if the file does not exist or is empty.
 
-if (! -e $sf)
+# we check if there is a flavour specific file, but we remember
+# the original file name as "generic"
+$sf_generic = $sf;
+$sf_flavour = "$sf_generic.$flavour";
+$sf_current = -e $sf_flavour ? $sf_flavour : $sf_generic;
+
+if (! -e $sf_current)
   {
-  return 0 if (! -s $rf && ! -s $rsf);
+  return 0 if (! -s $rf && (! defined $rsf || ! -s $rsf));
 
   print "\n";
   print "** $rf is not empty\n" if (-s $rf);
@@ -868,8 +1168,9 @@ if (! -e $sf)
   for (;;)
     {
     print "Continue, Show, or Quit? [Q] ";
-    $_ = <T>;
+    $_ = $force_continue ? "c" : <T>;
     tests_exit(1) if /^q?$/i;
+    log_failure($log_failed_filename, $testno, $rf) if (/^c$/i && $force_continue);
     return 0 if /^c$/i;
     last if (/^s$/);
     }
@@ -881,30 +1182,33 @@ if (! -e $sf)
       print "\n";
       print "------------ $f -----------\n"
         if (defined $rf && -s $rf && defined $rsf && -s $rsf);
-      system("$more $f");
+      system("$more '$f'");
       }
     }
 
   print "\n";
   for (;;)
     {
-    interact("Continue, Update & retry, Quit? [Q] ", $force_update);
+    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;
     last if (/^u$/i);
     }
   }
 
+#### $_
+
 # Control reaches here if either (a) there is a saved file ($sf), or (b) there
 # 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: $!");
-my($truncated) = munge($rf) if -e $rf;
+my($truncated) = munge($rf, $extra) if -e $rf;
 if (defined $rsf && -e $rsf)
   {
   print MUNGED "\n******** SERVER ********\n";
-  $truncated |= munge($rsf);
+  $truncated |= munge($rsf, $extra);
   }
 close(MUNGED);
 
@@ -922,7 +1226,7 @@ close(MUNGED);
 # a result of parallel deliveries. We load the munged file and sort sequences
 # of delivery lines.
 
-if (-e $sf)
+if (-e $sf_current)
   {
   # Deal with truncated text items
 
@@ -933,7 +1237,7 @@ if (-e $sf)
     open(MUNGED, "$mf") || tests_exit(-1, "Failed to open $mf: $!");
     @munged = <MUNGED>;
     close(MUNGED);
-    open(SAVED, "$sf") || tests_exit(-1, "Failed to open $sf: $!");
+    open(SAVED, $sf_current) || tests_exit(-1, "Failed to open $sf_current: $!");
     @saved = <SAVED>;
     close(SAVED);
 
@@ -995,76 +1299,154 @@ if (-e $sf)
 
   # Do the comparison
 
-  return 0 if (system("$cf $mf $sf >test-cf") == 0);
+  return 0 if (system("$cf '$mf' '$sf_current' >test-cf") == 0);
 
   # Handle comparison failure
 
-  print "** Comparison of $mf with $sf failed";
+  print "** Comparison of $mf with $sf_current failed";
   system("$more test-cf");
 
   print "\n";
   for (;;)
     {
-    interact("Continue, Update & retry, Quit? [Q] ", $force_update);
+    interact("Continue, Retry, Update current"
+	. ($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;
-    last if (/^u$/i);
+    return 1 if /^r$/i;
+    last if (/^[us]$/i);
     }
   }
 
 # Update or delete the saved file, and give the appropriate return code.
 
 if (-s $mf)
-  { 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
-  { tests_exit(-1, "Failed to unlink $sf") if !unlink($sf); }
+  {
+	# 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;
 }
 
 
 
+##################################################
+# Custom munges
+# keyed by name of munge; value is a ref to a hash
+# which is keyed by file, value a string to look for.
+# Usable files are:
+#  paniclog, rejectlog, mainlog, stdout, stderr, msglog, mail
+# Search strings starting with 's' do substitutions;
+# with '/' do line-skips.
+# Triggered by a scriptfile line "munge <name>"
+##################################################
+$munges =
+  { 'dnssec' =>
+    { 'stderr' => '/^Reverse DNS security status: unverified\n/' },
+
+    'gnutls_unexpected' =>
+    { 'mainlog' => '/\(recv\): A TLS packet with unexpected length was received./' },
+
+    'gnutls_handshake' =>
+    { 'mainlog' => 's/\(gnutls_handshake\): Error in the push function/\(gnutls_handshake\): A TLS packet with unexpected length was received/' },
+
+    'optional_events' =>
+    { 'stdout' => '/event_action =/' },
+
+    'optional_ocsp' =>
+    { 'stderr' => '/127.0.0.1 in hosts_requ(ire|est)_ocsp/' },
+
+    'optional_cert_hostnames' =>
+    { 'stderr' => '/in tls_verify_cert_hostnames\? no/' },
+
+    'loopback' =>
+    { 'stdout' => 's/[[](127\.0\.0\.1|::1)]/[IP_LOOPBACK_ADDR]/' },
+
+    'scanfile_size' =>
+    { 'stdout' => 's/(Content-length:) \d\d\d/$1 ddd/' },
+
+    'delay_1500' =>
+    { 'stderr' => 's/(1[5-9]|23\d)\d\d msec/ssss msec/' },
+
+    'tls_anycipher' =>
+    { 'mainlog' => 's/ X=TLS\S+ / X=TLS_proto_and_cipher /' },
+
+    'debug_pid' =>
+    { 'stderr' => 's/(^\s{0,4}|(?<=Process )|(?<=child ))\d{1,5}/ppppp/g' },
+
+    'optional_dsn_info' =>
+    { 'mail' => '/^(X-(Remote-MTA-(smtp-greeting|helo-response)|Exim-Diagnostic|(body|message)-linecount):|Remote-MTA: X-ip;)/'
+    },
+
+    'sys_bindir' =>
+    { 'mainlog' => 's%/(usr/)?bin/%SYSBINDIR/%' },
+
+  };
+
+
 ##################################################
 #    Subroutine to check the output of a test    #
 ##################################################
 
 # This function is called when the series of subtests is complete. It makes
-# use of check() file, whose arguments are:
+# use of check_file(), whose arguments are:
 #
 #  [0] the name of the main raw output file
 #  [1] the name of the server raw output file or undef
 #  [2] where to put the munged copy
 #  [3] the name of the saved file
 #  [4] TRUE if this is a log file whose deliveries must be sorted
+#  [5] an optional custom munge command
 #
-# Arguments: none
+# Arguments: Optionally, name of a single custom munge to run.
 # Returns:   0 if the output compared equal
-#            1 if files were updated and the test must be re-run
+#            1 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;
 
 $yield = 1 if check_file("spool/log/paniclog",
                        "spool/log/serverpaniclog",
                        "test-paniclog-munged",
-                       "paniclog/$testno", 0);
+                       "paniclog/$testno", 0,
+		       $munge->{'paniclog'});
 
 $yield = 1 if check_file("spool/log/rejectlog",
                        "spool/log/serverrejectlog",
                        "test-rejectlog-munged",
-                       "rejectlog/$testno", 0);
+                       "rejectlog/$testno", 0,
+		       $munge->{'rejectlog'});
 
 $yield = 1 if check_file("spool/log/mainlog",
                        "spool/log/servermainlog",
                        "test-mainlog-munged",
-                       "log/$testno", $sortlog);
+                       "log/$testno", $sortlog,
+		       $munge->{'mainlog'});
 
 if (!$stdout_skip)
   {
   $yield = 1 if check_file("test-stdout",
                        "test-stdout-server",
                        "test-stdout-munged",
-                       "stdout/$testno", 0);
+                       "stdout/$testno", 0,
+		       $munge->{'stdout'});
   }
 
 if (!$stderr_skip)
@@ -1072,7 +1454,8 @@ if (!$stderr_skip)
   $yield = 1 if check_file("test-stderr",
                        "test-stderr-server",
                        "test-stderr-munged",
-                       "stderr/$testno", 0);
+                       "stderr/$testno", 0,
+		       $munge->{'stderr'});
   }
 
 # Compare any delivered messages, unless this test is skipped.
@@ -1111,7 +1494,8 @@ if (! $message_skip)
 
     print ">> COMPARE $mail mail/$testno.$saved_mail\n" if $debug;
     $yield = 1 if check_file($mail, undef, "test-mail-munged",
-      "mail/$testno.$saved_mail", 0);
+      "mail/$testno.$saved_mail", 0,
+      $munge->{'mail'});
     delete $expected_mails{"mail/$testno.$saved_mail"};
     }
 
@@ -1124,8 +1508,9 @@ if (! $message_skip)
 
     for (;;)
       {
-      interact("Continue, Update & retry, or Quit? [Q] ", $force_update);
+      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;
 
       # For update, we not only have to unlink the file, but we must also
@@ -1181,7 +1566,8 @@ if (! $msglog_skip)
         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,
-        "test-msglog-munged", "msglog/$testno.$munged_msglog", 0);
+        "test-msglog-munged", "msglog/$testno.$munged_msglog", 0,
+        $munge->{'msglog'});
       delete $expected_msglogs{"$testno.$munged_msglog"};
       }
     }
@@ -1206,8 +1592,9 @@ if (! $msglog_skip)
 
     for (;;)
       {
-      interact("Continue, Update, or Quit? [Q] ", $force_update);
+      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$/i)
         {
@@ -1266,17 +1653,22 @@ system("$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
 #
 # Returns:   0 the commmand 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:
+#            exim_pid: pid of a run process
+#            munge: name of a post-script results munger
 
 sub run_command{
 my($testno) = $_[0];
 my($subtestref) = $_[1];
 my($commandnameref) = $_[3];
+my($aux_info) = $_[4];
 my($yield) = 1;
 
 if (/^(\d+)\s*$/)                # Handle unusual return code
@@ -1348,19 +1740,42 @@ if (/^dump\s+(\S+)/)
   my(@temp);
   print ">> ./eximdir/exim_dumpdb $parm_cwd/spool $which\n" if $debug;
   open(IN, "./eximdir/exim_dumpdb $parm_cwd/spool $which |");
-  @temp = <IN>;
-  close(IN);
-  if ($which eq "callout")
+  open(OUT, ">>test-stdout");
+  print OUT "+++++++++++++++++++++++++++\n";
+
+  if ($which eq "retry")
     {
+    $/ = "\n  ";
+    @temp = <IN>;
+    $/ = "\n";
+
     @temp = sort {
-                 my($aa) = substr $a, 21;
-                 my($bb) = substr $b, 21;
-                 return $aa cmp $bb;
+                   my($aa) = split(' ', $a);
+                   my($bb) = split(' ', $b);
+                   return $aa cmp $bb;
                  } @temp;
+
+    foreach $item (@temp)
+      {
+      $item =~ s/^\s*(.*)\n(.*)\n?\s*$/$1\n$2/m;
+      print OUT "  $item\n";
+      }
     }
-  open(OUT, ">>test-stdout");
-  print OUT "+++++++++++++++++++++++++++\n";
-  print OUT @temp;
+  else
+    {
+    @temp = <IN>;
+    if ($which eq "callout")
+      {
+      @temp = sort {
+                   my($aa) = substr $a, 21;
+                   my($bb) = substr $b, 21;
+                   return $aa cmp $bb;
+                   } @temp;
+      }
+    print OUT @temp;
+    }
+
+  close(IN);
   close(OUT);
   return 1;
   }
@@ -1387,7 +1802,7 @@ if (/^exim_lock\s+(.*)$/)
   # This gives the process time to get started; otherwise the next
   # process may not find it there when it expects it.
 
-  select(undef, undef, undef, 0.01);
+  select(undef, undef, undef, 0.1);
   return 3;
   }
 
@@ -1405,14 +1820,39 @@ if (/^exinext\s+(.*)/)
   }
 
 
+# The "exigrep" command runs exigrep on the current mainlog
+
+if (/^exigrep\s+(.*)/)
+  {
+  run_system("(./eximdir/exigrep " .
+    "$1 $parm_cwd/spool/log/mainlog;" .
+    "echo exigrep exit code = \$?)" .
+    ">>test-stdout");
+  return 1;
+  }
+
+
+# The "eximstats" command runs eximstats on the current mainlog
+
+if (/^eximstats\s+(.*)/)
+  {
+  run_system("(./eximdir/eximstats " .
+    "$1 $parm_cwd/spool/log/mainlog;" .
+    "echo eximstats exit code = \$?)" .
+    ">>test-stdout");
+  return 1;
+  }
+
+
 # The "gnutls" command makes a copy of saved GnuTLS parameter data in the
 # spool directory, to save Exim from re-creating it each time.
 
 if (/^gnutls/)
   {
-  run_system "sudo cp -p aux-fixed/gnutls-params spool/gnutls-params;" .
-         "sudo chown $parm_eximuser:$parm_eximgroup spool/gnutls-params;" .
-         "sudo chmod 0400 spool/gnutls-params";
+  my $gen_fn = "spool/gnutls-params-$gnutls_dh_bits_normal";
+  run_system "sudo cp -p aux-fixed/gnutls-params $gen_fn;" .
+         "sudo chown $parm_eximuser:$parm_eximgroup $gen_fn;" .
+         "sudo chmod 0400 $gen_fn";
   return 1;
   }
 
@@ -1423,11 +1863,27 @@ if (/^gnutls/)
 
 if (/^killdaemon/)
   {
-  $pid = `cat $parm_cwd/spool/exim-daemon.*`;
-  run_system("sudo /bin/kill -SIGINT $pid");
-  close DAEMONCMD;                                   # Waits for process
-  run_system("sudo /bin/rm -f spool/exim-daemon.*");
-  return 1;
+  my $return_extra = {};
+  if (exists $aux_info->{exim_pid})
+    {
+    $pid = $aux_info->{exim_pid};
+    $return_extra->{exim_pid} = undef;
+    print ">> killdaemon: recovered pid $pid\n" if $debug;
+    if ($pid)
+      {
+      run_system("sudo /bin/kill -INT $pid");
+      wait;
+      }
+    } else {
+    $pid = `cat $parm_cwd/spool/exim-daemon.*`;
+    if ($pid)
+      {
+      run_system("sudo /bin/kill -INT $pid");
+      close DAEMONCMD;                                   # Waits for process
+      }
+    }
+    run_system("sudo /bin/rm -f spool/exim-daemon.*");
+  return (1, $return_extra);
   }
 
 
@@ -1442,6 +1898,18 @@ elsif (/^millisleep\s+(.*)$/)
   }
 
 
+# The "munge" command selects one of a hardwired set of test-result modifications
+# to be made before result compares are run agains the golden set.  This lets
+# us account for test-system dependent things which only affect a few, but known,
+# test-cases.
+# Currently only the last munge takes effect.
+
+if (/^munge\s+(.*)$/)
+  {
+  return (0, { munge => $1 });
+  }
+
+
 # The "sleep" command does just that. For sleeps longer than 1 second we
 # tell the user what's going on.
 
@@ -1492,7 +1960,8 @@ if (/^(ln|ls|du|mkdir|mkfifo|touch|cp|cat)\s/ ||
 
 if (/^server\s+(.*)$/)
   {
-  $cmd = "./bin/server $server_opts $1 >>test-stdout-server";
+  $pidfile = "$parm_cwd/aux-var/server-daemon.pid";
+  $cmd = "./bin/server $server_opts -oP $pidfile $1 >>test-stdout-server";
   print ">> $cmd\n" if ($debug);
   $server_pid = open SERVERCMD, "|$cmd" || tests_exit(-1, "Failed to run $cmd");
   SERVERCMD->autoflush(1);
@@ -1506,10 +1975,9 @@ if (/^server\s+(.*)$/)
   print SERVERCMD "++++\n"; # Send end to server; can't send EOF yet
                             # because close() waits for the process.
 
-  # This gives the server time to get started; otherwise the next
+  # Interlock the server startup; otherwise the next
   # process may not find it there when it expects it.
-
-  select(undef, undef, undef, 0.01);
+  while (! stat("$pidfile") ) { select(undef, undef, undef, 0.3); }
   return 3;
   }
 
@@ -1589,12 +2057,12 @@ if (/^(cat)?write\s+(\S+)(?:\s+(.*))?\s*$/)
 # command in the variable $cmd. Shared code to run this command and handle its
 # input and output follows.
 
-# The "client" and "client-ssl" commands run a script-driven program that plays
-# the part of an email client. We also have the availability of running Perl
-# for doing one-off special things. Note that all these commands expect stdin
-# data to be supplied.
+# The "client", "client-gnutls", and "client-ssl" commands run a script-driven
+# program that plays the part of an email client. We also have the availability
+# of running Perl for doing one-off special things. Note that all these
+# commands expect stdin data to be supplied.
 
-if (/^client/ || /^client-ssl/ || /^(sudo\s+)?perl\b/)
+if (/^client/ || /^(sudo\s+)?perl\b/)
   {
   s"client"./bin/client";
   $cmd = "$_ >>test-stdout 2>>test-stderr";
@@ -1606,12 +2074,12 @@ if (/^client/ || /^client-ssl/ || /^(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+)?exim(_\S+)?\s+(.*)$/)
+elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+)?\s+(.*)$/)
   {
-  $args = $5;
+  $args = $6;
   my($envset) = (defined $1)? $1      : "";
-  my($sudo)   = (defined $3)? "sudo " : "";
-  my($special)= (defined $4)? $4      : "";
+  my($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
@@ -1655,6 +2123,11 @@ elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo\s+)?exim(_\S+)?\s+(.*)$/)
 
     my($i);
     for ($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")
+        unless $force_continue;
+      }
     }
 
   # If -d is specified in $optargs, remove it from $args; i.e. let
@@ -1666,7 +2139,6 @@ elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo\s+)?exim(_\S+)?\s+(.*)$/)
          "-DEXIM_PATH=$parm_cwd/eximdir/exim$special " .
          "-C $parm_cwd/test-config $args " .
          ">>test-stdout 2>>test-stderr";
-
   # If the command is starting an Exim daemon, we run it in the same
   # way as the "server" command above, that is, we don't want to wait
   # for the process to finish. That happens when "killdaemon" is obeyed later
@@ -1680,24 +2152,109 @@ elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo\s+)?exim(_\S+)?\s+(.*)$/)
 
   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");
 
     # Before running the command, convert the -bd option into -bdf so that an
     # Exim daemon doesn't double fork. This means that when we wait close
-    # DAEMONCMD, it waits for the correct process.
+    # DAEMONCMD, it waits for the correct process. Also, ensure that the pid
+    # file is written to the spool directory, in case the Exim binary was
+    # built with PID_FILE_PATH pointing somewhere else.
 
-    $cmd =~ s/\s-bd\s/ -bdf /;
+    if ($cmd =~ /\s-oP\s/)
+      {
+      ($pidfile = $cmd) =~ s/^.*-oP ([^ ]+).*$/$1/;
+      $cmd =~ s!\s-bd\s! -bdf !;
+      }
+    else
+      {
+      $pidfile = "$parm_cwd/spool/exim-daemon.pid";
+      $cmd =~ s!\s-bd\s! -bdf -oP $pidfile !;
+      }
     print ">> |${cmd}-server\n" if ($debug);
     open DAEMONCMD, "|${cmd}-server" || tests_exit(-1, "Failed to run $cmd");
     DAEMONCMD->autoflush(1);
     while (<SCRIPT>) { $lineno++; last if /^\*{4}\s*$/; }   # Ignore any input
-    select(undef, undef, undef, 0.3);             # Let the daemon get going
+
+    # Interlock with daemon startup
+    while (! stat("$pidfile") ) { select(undef, undef, undef, 0.3); }
     return 3;                                     # Don't wait
     }
+  elsif ($cmd =~ /\s-DSERVER=wait:(\d+)\s/)
+    {
+    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);
+      print "[$$]>> ${cmd}-server\n" if ($debug);
+      exec "exec ${cmd}-server";
+      exit(1);
+    }
+    while (<SCRIPT>) { $lineno++; last if /^\*{4}\s*$/; }   # Ignore any input
+    select(undef, undef, undef, 0.3);             # Let the daemon get going
+    return (3, { exim_pid => $pid });             # Don't wait
+    }
+  }
+
+# The "background" command is run but not waited-for, like exim -DSERVER=server.
+# One script line is read and fork-exec'd.  The PID is stored for a later
+# killdaemon.
+
+elsif (/^background$/)
+  {
+  my $line;
+#  $pidfile = "$parm_cwd/aux-var/server-daemon.pid";
+
+  $_ = <SCRIPT>; $lineno++;
+  chomp;
+  $line = $_;
+  if ($debug) { printf ">> daemon: $line >>test-stdout 2>>test-stderr\n"; }
+
+  my $pid = fork();
+  if (not defined $pid) { die "** fork failed: $!\n" }
+  if (not $pid) {
+    print "[$$]>> ${line}\n" if ($debug);
+    close(STDIN);
+    open(STDIN, "<", "test-stdout");
+    close(STDOUT);
+    open(STDOUT, ">>", "test-stdout");
+    close(STDERR);
+    open(STDERR, ">>", "test-stderr-server");
+    exec "exec ${line}";
+    exit(1);
   }
 
+#  open(my $fh, ">", $pidfile) ||
+#      tests_exit(-1, "Failed to open $pidfile: $!");
+#  printf($fh, "%d\n", $pid);
+#  close($fh);
+
+  while (<SCRIPT>) { $lineno++; last if /^\*{4}\s*$/; }   # Ignore any input
+  select(undef, undef, undef, 0.3);             # Let the daemon get going
+  return (3, { exim_pid => $pid });             # Don't wait
+  }
+
+
 
 # Unknown command
 
@@ -1757,6 +2314,22 @@ return $yield;            # Ran command and waited
 autoflush STDOUT 1;
 print "Exim tester $testversion\n";
 
+# extend the PATH with .../sbin
+# 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"), $_) 
+                : ($_) } 
+      split /:/, $ENV{PATH};
+};
+
+##################################################
+#      Some tests check created file modes       #
+##################################################
+
+umask 022;
+
 
 ##################################################
 #       Check for the "less" command             #
@@ -1787,9 +2360,10 @@ else
 ##################################################
 
 # If the first character of the first argument is '/', the argument is taken
-# as the path to the binary.
+# 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 && $ARGV[0] =~ ?^/?)? shift @ARGV : "";
+$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 "";
 
 
@@ -1809,10 +2383,14 @@ while (@ARGV > 0 && $ARGV[0] =~ /^-/)
     {
     if ($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 =~ /^-FLAVOU?R$/) { $flavour = shift; next; }
     }
   $optargs .= " $arg";
   }
@@ -1865,7 +2443,7 @@ if ($parm_exim eq "")
     # directory. Thus, we should choose the highest version of Exim that has
     # been compiled.
 
-    if ($f eq "exim4" || $f eq "exim-snapshot")
+    if ($f eq "exim4" || $f eq "exim-snapshot" || $f eq 'src')
       { $srcdir = $f; }
     else
       { $srcdir = $f
@@ -1929,13 +2507,26 @@ if ($parm_exim eq "")
 #          Find what is in the binary            #
 ##################################################
 
-open(EXIMINFO, "$parm_exim -C confs/0000 -DDIR=$parm_cwd " .
-               "-bP exim_user exim_group|") ||
+# deal with TRUSTED_CONFIG_LIST restrictions
+unlink("$parm_cwd/test-config") if -e "$parm_cwd/test-config";
+open (IN, "$parm_cwd/confs/0000") ||
+  tests_exit(-1, "Couldn't open $parm_cwd/confs/0000: $!\n");
+open (OUT, ">test-config") ||
+  tests_exit(-1, "Couldn't open test-config: $!\n");
+while (<IN>) { print OUT; }
+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>)
   {
   $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/;
   }
 close(EXIMINFO);
 
@@ -1944,6 +2535,13 @@ 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 (defined $parm_eximgroup)
   {
@@ -1951,7 +2549,35 @@ if (defined $parm_eximgroup)
     else { $parm_exim_gid = getgrnam($parm_eximgroup); }
   }
 
-open(EXIMINFO, "$parm_exim -bV -C confs/0000 -DDIR=$parm_cwd |") ||
+# check the permissions on the TRUSTED_CONFIG_LIST
+if (defined $parm_trusted_config_list)
+  {
+  die "TRUSTED_CONFIG_LIST: $parm_trusted_config_list: $!\n"
+    if not -f $parm_trusted_config_list;
+
+  die "TRUSTED_CONFIG_LIST $parm_trusted_config_list must not be world writable!\n"
+    if 02 & (stat _)[2];
+
+  die sprintf "TRUSTED_CONFIG_LIST: $parm_trusted_config_list %d is group writable, but not owned by group '%s' or '%s'.\n",
+  (stat _)[1],
+    scalar(getgrgid 0), scalar(getgrgid $>)
+    if (020 & (stat _)[2]) and not ((stat _)[5] == $> or (stat _)[5] == 0);
+
+  die sprintf "TRUSTED_CONFIG_LIST: $parm_trusted_config_list is not owned by user '%s' or '%s'.\n",
+  scalar(getpwuid 0), scalar(getpwuid $>)
+     if (not (-o _ or (stat _)[4] == 0));
+
+  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$/ } <TCL>;
+  }
+else
+  {
+  die "Unable to check the TRUSTED_CONFIG_LIST, seems to be empty?\n";
+  }
+
+open(EXIMINFO, "$parm_exim -bV -C $parm_cwd/test-config -DDIR=$parm_cwd |") ||
   die "** Cannot run $parm_exim: $!\n";
 
 print "-" x 78, "\n";
@@ -1964,7 +2590,10 @@ while (<EXIMINFO>)
 
   elsif (/^Size of off_t: (\d+)/)
     {
+    print;
     $have_largefiles = 1 if $1 > 4;
+    die "** Size of off_t > 32 which seems improbable, not running tests\n"
+        if ($1 > 32);
     }
 
   elsif (/^Support for: (.*)/)
@@ -1975,7 +2604,7 @@ while (<EXIMINFO>)
     %parm_support = @temp;
     }
 
-  elsif (/^Lookups: (.*)/)
+  elsif (/^Lookups \(built-in\): (.*)/)
     {
     print;
     @temp = split /(\s+)/, $1;
@@ -2025,6 +2654,7 @@ while (<EXIMINFO>)
 close(EXIMINFO);
 print "-" x 78, "\n";
 
+unlink("$parm_cwd/test-config");
 
 ##################################################
 #    Check for SpamAssassin and ClamAV           #
@@ -2035,9 +2665,10 @@ print "-" x 78, "\n";
 
 if (defined $parm_support{'Content_Scanning'})
   {
+  my $sock = new FileHandle;
+
   if (system("spamc -h 2>/dev/null >/dev/null") == 0)
     {
-    $parm_running{'SpamAssassin'} = ' ';
     print "The spamc command works:\n";
 
     # This test for an active SpamAssassin is courtesy of John Jetmore.
@@ -2052,23 +2683,23 @@ if (defined $parm_support{'Content_Scanning'})
       {
       my $sin = sockaddr_in($sport, inet_aton($sint))
           or die "** Failed packing $sint:$sport\n";
-      socket(SOCK, PF_INET, SOCK_STREAM, getprotobyname('tcp'))
+      socket($sock, PF_INET, SOCK_STREAM, getprotobyname('tcp'))
           or die "** Unable to open socket $sint:$sport\n";
 
       local $SIG{ALRM} =
           sub { die "** Timeout while connecting to socket $sint:$sport\n"; };
       alarm(5);
-      connect(SOCK, $sin)
+      connect($sock, $sin)
           or die "** Unable to connect to socket $sint:$sport\n";
       alarm(0);
 
-      select((select(SOCK), $| = 1)[0]);
-      print SOCK "bad command\r\n";
+      select((select($sock), $| = 1)[0]);
+      print $sock "bad command\r\n";
 
       $SIG{ALRM} =
           sub { die "** Timeout while reading from socket $sint:$sport\n"; };
       alarm(10);
-      my $res = <SOCK>;
+      my $res = <$sock>;
       alarm(0);
 
       $res =~ m|^SPAMD/|
@@ -2179,18 +2810,18 @@ if (defined $parm_support{'Content_Scanning'})
             {
             die "** Unknown socket domain '$socket_domain' (should not happen)\n";
             }
-          socket(SOCK, $socket_domain, SOCK_STREAM, 0) or die "** Unable to open socket '$parm_clamsocket'\n";
+          socket($sock, $socket_domain, SOCK_STREAM, 0) or die "** Unable to open socket '$parm_clamsocket'\n";
           local $SIG{ALRM} = sub { die "** Timeout while connecting to socket '$parm_clamsocket'\n"; };
           alarm(5);
-          connect(SOCK, $socket) or die "** Unable to connect to socket '$parm_clamsocket'\n";
+          connect($sock, $socket) or die "** Unable to connect to socket '$parm_clamsocket'\n";
           alarm(0);
 
-          my $ofh = select SOCK; $| = 1; select $ofh;
-          print SOCK "PING\n";
+          my $ofh = select $sock; $| = 1; select $ofh;
+          print $sock "PING\n";
 
           $SIG{ALRM} = sub { die "** Timeout while reading from socket '$parm_clamsocket'\n"; };
           alarm(10);
-          my $res = <SOCK>;
+          my $res = <$sock>;
           alarm(0);
 
           $res =~ /PONG/ or die "** Did not get PONG from socket '$parm_clamsocket'. It said: $res\n";
@@ -2199,7 +2830,7 @@ if (defined $parm_support{'Content_Scanning'})
 
         if($@)
           {
-          warn $@;
+          print "  $@";
           print "  Assume ClamAV is not running\n";
           }
         else
@@ -2224,6 +2855,22 @@ if (defined $parm_support{'Content_Scanning'})
   }
 
 
+##################################################
+#       Check for 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'} = ' ';
+    }
+  else
+    {
+    print "The redis-server command failed: assume Redis not installed\n";
+    }
+  }
+
 ##################################################
 #         Test for the basic requirements        #
 ##################################################
@@ -2296,18 +2943,23 @@ if (defined $parm_support{'Expand_dlfunc'} && !-e "bin/loaded")
 # Find the caller of this program.
 
 ($parm_caller,$pwpw,$parm_caller_uid,$parm_caller_gid,$pwquota,$pwcomm,
- $pwgecos, $parm_caller_home) = getpwuid($>);
+ $parm_caller_gecos, $parm_caller_home) = getpwuid($>);
 
 $pwpw = $pwpw;       # Kill Perl warnings
 $pwquota = $pwquota;
 $pwcomm = $pwcomm;
-$pwgecos = $pwgecos;
 
 $parm_caller_group = getgrgid($parm_caller_gid);
 
-print "Program caller is $parm_caller, whose group is $parm_caller_group\n";
+print "Program caller is $parm_caller ($parm_caller_uid), whose group is $parm_caller_group ($parm_caller_gid)\n";
 print "Home directory is $parm_caller_home\n";
 
+unless (defined $parm_eximgroup)
+  {
+  print "Unable to derive \$parm_eximgroup.\n";
+  die "** ABANDONING.\n";
+  }
+
 print "You need to be in the Exim group to run these tests. Checking ...";
 
 if (`groups` =~ /\b\Q$parm_eximgroup\E\b/)
@@ -2337,7 +2989,7 @@ while (($parm_ipv4 eq "" || $parm_ipv6 eq "") && ($_ = <IFCONFIG>))
       $_ =~ /^\s*inet(?:\saddr)?:?\s?(\d+\.\d+\.\d+\.\d+)\s/i)
     {
     $ip = $1;
-    next if ($ip eq "127.0.0.1");
+    next if ($ip =~ /^127\./ || $ip =~ /^10\./);
     $parm_ipv4 = $ip;
     }
 
@@ -2412,7 +3064,7 @@ print "IPv6 address is $parm_ipv6\n";
 $parm_ipv4r = ($parm_ipv4 !~ /^\d/)? "" :
   join(".", reverse(split /\./, $parm_ipv4));
 
-$parm_ipv6r = "";
+$parm_ipv6r = $parm_ipv6;             # Appropriate if not in use
 if ($parm_ipv6 =~ /^[\da-f]/)
   {
   my(@comps) = split /:/, $parm_ipv6;
@@ -2437,9 +3089,11 @@ if ($parm_hostname !~ /\./)
   print "\n*** Host name is not fully qualified: this may cause problems ***\n\n";
   }
 
-# Find the user's shell
+if ($parm_hostname =~ /[[:upper:]]/)
+  {
+  print "\n*** Host name has upper case characters: this may cause problems ***\n\n";
+  }
 
-$parm_shell = $ENV{'SHELL'};
 
 
 ##################################################
@@ -2501,7 +3155,7 @@ system("sudo cp eximdir/exim eximdir/exim_exim;" .
 # Certain of the tests make use of some of Exim's utilities. We do not need
 # to be root to copy these.
 
-($parm_exim_dir) = $parm_exim =~ ?^(.*)/exim?;
+($parm_exim_dir) = $parm_exim =~ m?^(.*)/exim?;
 
 $dbm_build_deleted = 0;
 if (defined $parm_lookups{'dbm'} &&
@@ -2526,6 +3180,16 @@ if (system("cp $parm_exim_dir/exinext eximdir") != 0)
   tests_exit(-1, "Failed to make a copy of exinext: $!");
   }
 
+if (system("cp $parm_exim_dir/exigrep eximdir") != 0)
+  {
+  tests_exit(-1, "Failed to make a copy of exigrep: $!");
+  }
+
+if (system("cp $parm_exim_dir/eximstats eximdir") != 0)
+  {
+  tests_exit(-1, "Failed to make a copy of eximstats: $!");
+  }
+
 
 ##################################################
 #    Check that the Exim user can access stuff   #
@@ -2536,6 +3200,12 @@ if (system("cp $parm_exim_dir/exinext eximdir") != 0)
 
 print "Exim user is $parm_eximuser ($parm_exim_uid)\n";
 print "Exim group is $parm_eximgroup ($parm_exim_gid)\n";
+
+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)");
+}
+
 print "The Exim user needs access to the test suite directory. Checking ...";
 
 if (($rc = system("sudo bin/checkaccess $parm_cwd/eximdir/exim $parm_eximuser $parm_eximgroup")) != 0)
@@ -2570,7 +3240,7 @@ 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\n";
+print "\nTest range is $test_start to $test_end (flavour $flavour)\n";
 print "Omitting \${dlfunc expansion tests (loadable module not present)\n"
   if $dlfunc_deleted;
 print "Omitting dbm tests (unable to copy exim_dbmbuild)\n"
@@ -2676,7 +3346,7 @@ for ($i = 0; $i < @test_dirs; $i++)
 
   foreach $test (@testlist)
     {
-    next if $test !~ /^\d{4}$/;
+    next if $test !~ /^\d{4}(?:\.\d+)?$/;
     next if $test < $test_start || $test > $test_end;
     push @test_list, "$testdir/$test";
     }
@@ -2744,6 +3414,10 @@ 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";
 
 ##################################################
 #     Create fake DNS zones for this host        #
@@ -2783,7 +3457,18 @@ if ($have_ipv4 && $parm_ipv4 ne "127.0.0.1")
 
 if ($have_ipv6 && $parm_ipv6 ne "::1")
   {
-  my(@components) = split /:/, $parm_ipv6;
+  my($exp_v6) = $parm_ipv6;
+  $exp_v6 =~ s/[^:]//g;
+  if ( $parm_ipv6 =~ /^([^:].+)::$/ ) {
+    $exp_v6 = $1 . ':0' x (9-length($exp_v6));
+  } elsif ( $parm_ipv6 =~ /^(.+)::(.+)$/ ) {
+    $exp_v6 = $1 . ':0' x (8-length($exp_v6)) . ':' . $2;
+  } elsif ( $parm_ipv6 =~ /^::(.+[^:])$/ ) {
+    $exp_v6 = '0:' x (9-length($exp_v6)) . $1;
+  } else {
+    $exp_v6 = $parm_ipv6;
+  }
+  my(@components) = split /:/, $exp_v6;
   my(@nibbles) = reverse (split /\s*/, shift @components);
   my($sep) =  "";
 
@@ -2837,7 +3522,7 @@ closedir(DIR);
 open(T, "/dev/tty") || tests_exit(-1, "Failed to open /dev/tty: $!");
 
 print "\nPress RETURN to run the tests: ";
-$_ = <T>;
+$_ = $force_continue ? "c" : <T>;
 print "\n";
 
 $lasttestdir = "";
@@ -2847,7 +3532,7 @@ foreach $test (@test_list)
   local($lineno) = 0;
   local($commandno) = 0;
   local($subtestno) = 0;
-  local($testno) = substr($test, -4);
+  (local $testno = $test) =~ s|.*/||;
   local($sortlog) = 0;
 
   my($gnutls) = 0;
@@ -2895,6 +3580,7 @@ foreach $test (@test_list)
 
   undef %cache;
   $next_msgid = "aX";
+  $next_pid = 1234;
   $next_port = 1111;
   $message_skip = 0;
   $msglog_skip = 0;
@@ -2902,6 +3588,7 @@ foreach $test (@test_list)
   $stdout_skip = 0;
   $rmfiltertest = 0;
   $is_ipv6test = 0;
+  $TEST_STATE->{munge} = "";
 
   # Remove the associative arrays used to hold checked mail files and msglogs
 
@@ -2909,9 +3596,20 @@ foreach $test (@test_list)
   undef %expected_msglogs;
 
   # Open the test's script
-
   open(SCRIPT, "scripts/$test") ||
     tests_exit(-1, "Failed to open \"scripts/$test\": $!");
+  # Run through the script once to set variables which should be global
+  while (<SCRIPT>)
+    {
+    if (/^no_message_check/) { $message_skip = 1; next; }
+    if (/^no_msglog_check/)  { $msglog_skip = 1; next; }
+    if (/^no_stderr_check/)  { $stderr_skip = 1; next; }
+    if (/^no_stdout_check/)  { $stdout_skip = 1; next; }
+    if (/^rmfiltertest/)     { $rmfiltertest = 1; next; }
+    if (/^sortlog/)          { $sortlog = 1; next; }
+    }
+  # Reset to beginning of file for per test interpreting/processing
+  seek(SCRIPT, 0, 0);
 
   # The first line in the script must be a comment that is used to identify
   # the set of tests as a whole.
@@ -2934,6 +3632,8 @@ foreach $test (@test_list)
     while (<SCRIPT>)
       {
       $lineno++;
+      # Could remove these variable settings because they are already
+      # set above, but doesn't hurt to leave them here.
       if (/^no_message_check/) { $message_skip = 1; next; }
       if (/^no_msglog_check/)  { $msglog_skip = 1; next; }
       if (/^no_stderr_check/)  { $stderr_skip = 1; next; }
@@ -2994,10 +3694,32 @@ foreach $test (@test_list)
 
     my($commandname) = "";
     my($expectrc) = 0;
-    my($rc) = run_command($testno, \$subtestno, \$expectrc, \$commandname);
+    my($rc, $run_extra) = run_command($testno, \$subtestno, \$expectrc, \$commandname, $TEST_STATE);
     my($cmdrc) = $?;
 
-    print ">> rc=$rc cmdrc=$cmdrc\n" if $debug;
+$0 = "[runtest $testno]";
+
+    if ($debug) {
+      print ">> rc=$rc cmdrc=$cmdrc\n";
+      if (defined $run_extra) {
+        foreach my $k (keys %$run_extra) {
+          my $v = defined $run_extra->{$k} ? qq!"$run_extra->{$k}"! : '<undef>';
+          print ">>   $k -> $v\n";
+        }
+      }
+    }
+    $run_extra = {} unless defined $run_extra;
+    foreach my $k (keys %$run_extra) {
+      if (exists $TEST_STATE->{$k}) {
+        my $nv = defined $run_extra->{$k} ? qq!"$run_extra->{$k}"! : 'removed';
+        print ">> override of $k; was $TEST_STATE->{$k}, now $nv\n" if $debug;
+      }
+      if (defined $run_extra->{$k}) {
+        $TEST_STATE->{$k} = $run_extra->{$k};
+      } elsif (exists $TEST_STATE->{$k}) {
+        delete $TEST_STATE->{$k};
+      }
+    }
 
     # Hit EOF after an initial return code number
 
@@ -3026,10 +3748,12 @@ foreach $test (@test_list)
 
       for (;;)
         {
-        print "\nshow stdErr, show stdOut, Continue (without file comparison), or Quit? [Q] ";
-        $_ = <T>;
+        print "\nshow stdErr, show stdOut, Retry, Continue (without file comparison), or Quit? [Q] ";
+        $_ = $force_continue ? "c" : <T>;
         tests_exit(1) if /^q?$/i;
-        last if /^c$/i;
+        log_failure($log_failed_filename, $testno, "exit code unexpected") if (/^c$/i && $force_continue);
+        print "... continue forced\n" if $force_continue;
+        last if /^[rc]$/i;
         if (/^e$/i)
           {
           system("$more test-stderr");
@@ -3040,6 +3764,7 @@ foreach $test (@test_list)
           }
         }
 
+      $retry = 1 if /^r$/i;
       $docheck = 0;
       }
 
@@ -3062,10 +3787,12 @@ foreach $test (@test_list)
 
         for (;;)
           {
-          print "\nShow server stdout, Continue, or Quit? [Q] ";
-          $_ = <T>;
+          print "\nShow server stdout, Retry, Continue, or Quit? [Q] ";
+          $_ = $force_continue ? "c" : <T>;
           tests_exit(1) if /^q?$/i;
-          last if /^c$/i;
+          log_failure($log_failed_filename, $testno, "exit code unexpected") if (/^c$/i && $force_continue);
+          print "... continue forced\n" if $force_continue;
+          last if /^[rc]$/i;
 
           if (/^s$/i)
             {
@@ -3075,6 +3802,7 @@ foreach $test (@test_list)
             close(S);
             }
           }
+        $retry = 1 if /^r$/i;
         }
       }
     }
@@ -3083,11 +3811,19 @@ foreach $test (@test_list)
 
   # 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.
 
+  if ($retry)
+    {
+    $retry = '0';
+    print (("#" x 79) . "\n");
+    redo;
+    }
+
   if ($docheck)
     {
-    if (check_output() != 0)
+    if (check_output($TEST_STATE->{munge}) != 0)
       {
       print (("#" x 79) . "\n");
       redo;
@@ -3108,4 +3844,4 @@ tests_exit(-1, "No runnable tests selected") if @test_list == 0;
 tests_exit(0);
 
 # End of runtest script
-
+# vim: set sw=2 et :