X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/43236f357ba2001d59b5937d14a50a56478bb8e0..exim-4_80_RC4:/test/runtest

diff --git a/test/runtest b/test/runtest
index feca75e2e..3e961ca98 100755
--- a/test/runtest
+++ b/test/runtest
@@ -1,7 +1,5 @@
 #! /usr/bin/perl -w
 
-# $Cambridge: exim/test/runtest,v 1.37 2010/06/14 20:30:12 jetmore 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 #
@@ -15,15 +13,25 @@
 # Placed in the Exim CVS: 06 February 2006                                    #
 ###############################################################################
 
+#use strict;
 require Cwd;
 use Errno;
 use FileHandle;
 use Socket;
+use Time::Local;
 
 
 # Start by initializing some global variables
 
-$testversion = "4.72 (02-Jun-10)";
+$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 -exact";
 $cr = "\r";
@@ -120,6 +128,12 @@ s?\bV6NET:?$parm_ipv6_test_net:?g;
 }
 
 
+##################################################
+#     Any state to be preserved across tests     #
+##################################################
+
+my $TEST_STATE = {};
+
 
 ##################################################
 #        Subroutine to tidy up and exit          #
@@ -142,6 +156,13 @@ 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 -SIGINT $pid");
+  }
+
 if (opendir(DIR, "spool"))
   {
   my(@spools) = sort readdir(DIR);
@@ -168,6 +189,8 @@ system("sudo /bin/rm -rf ./spool test-* ./dnszones/*")
   if ($rc == 0 && !$save_output);
 
 system("sudo /bin/rm -rf ./eximdir/*");
+
+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";
 }
@@ -198,14 +221,26 @@ 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);
 }
 
 
@@ -313,7 +348,8 @@ RESET_AFTER_EXTRA_LINE_READ:
   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})
@@ -442,6 +478,40 @@ RESET_AFTER_EXTRA_LINE_READ:
     \d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Exim statistics from <time> to <time>/x;
 
 
+  # ======== 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:AES256-SHA:256
+  #   TLSv1.2:AES256-GCM-SHA384:256
+  #   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\.2:/$1TLSv1:/xg;
+  s/\bAES256-GCM-SHA384\b/AES256-SHA/g;
+
+  # GnuTLS have seen:
+  #   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:
+  #   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]:(DHE_)?RSA_AES_256_CBC_SHA(1|256):256/TLS1.x:xxxxRSA_AES_256_CBC_SHAnnn:256/g;
+  s/\bDHE-RSA-AES256-SHA256\b/DHE-RSA-AES256-SHA/g;
+
+
   # ======== Caller's login, uid, gid, home, gecos ========
 
   s/\Q$parm_caller_home\E/CALLER_HOME/g;   # NOTE: these must be done
@@ -561,9 +631,9 @@ RESET_AFTER_EXTRA_LINE_READ:
   s/host\s\Q$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 /;
 
 
@@ -594,7 +664,14 @@ RESET_AFTER_EXTRA_LINE_READ:
 
   # ======== 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 =========
@@ -640,7 +717,6 @@ RESET_AFTER_EXTRA_LINE_READ:
 
   s/(TLS error on connection (?:from|to) .*? \(SSL_\w+\): error:)(.*)/$1 <<detail omitted>>/;
 
-
   # ======== Maildir things ========
   # timestamp output in maildir processing
   s/(timestamp=|\(timestamp_only\): )\d+/$1ddddddd/g;
@@ -683,6 +759,12 @@ RESET_AFTER_EXTRA_LINE_READ:
   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;
+
   # ==========================================================
   # Some munging is specific to the specific file types
 
@@ -740,8 +822,13 @@ RESET_AFTER_EXTRA_LINE_READ:
 
     # 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
@@ -762,6 +849,15 @@ RESET_AFTER_EXTRA_LINE_READ:
     # be the case
     next if /^changing group to \d+ failed: Operation not permitted/;
 
+    # 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/;
 
@@ -923,7 +1019,7 @@ if ($_[1]) { $_ = "u"; print "... update forced\n"; }
 #             [4] TRUE if this is a log file whose deliveries must be sorted
 #
 # 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.
 
@@ -1081,9 +1177,10 @@ if (-e $sf)
   print "\n";
   for (;;)
     {
-    interact("Continue, Update & retry, Quit? [Q] ", $force_update);
+    interact("Continue, Retry, Update & retry, Quit? [Q] ", $force_update);
     tests_exit(1) if /^q?$/i;
     return 0 if /^c$/i;
+    return 1 if /^r$/i;
     last if (/^u$/i);
     }
   }
@@ -1115,7 +1212,7 @@ return 1;
 #
 # Arguments: none
 # 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($yield) = 0;
@@ -1342,17 +1439,21 @@ system("$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
 
 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
@@ -1510,9 +1611,10 @@ if (/^eximstats\s+(.*)/)
 
 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;
   }
 
@@ -1523,11 +1625,27 @@ 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 -SIGINT $pid");
+      wait;
+      }
+    } else {
+    $pid = `cat $parm_cwd/spool/exim-daemon.*`;
+    if ($pid)
+      {
+      run_system("sudo /bin/kill -SIGINT $pid");
+      close DAEMONCMD;                                   # Waits for process
+      }
+    }
+    run_system("sudo /bin/rm -f spool/exim-daemon.*");
+  return (1, $return_extra);
   }
 
 
@@ -1755,6 +1873,10 @@ 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");
+      }
     }
 
   # If -d is specified in $optargs, remove it from $args; i.e. let
@@ -1798,6 +1920,38 @@ elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo\s+)?exim(_\S+)?\s+(.*)$/)
     select(undef, undef, undef, 0.3);             # Let the daemon get going
     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
+    }
   }
 
 
@@ -1860,6 +2014,13 @@ autoflush STDOUT 1;
 print "Exim tester $testversion\n";
 
 
+##################################################
+#      Some tests check created file modes       #
+##################################################
+
+umask 022;
+
+
 ##################################################
 #       Check for the "less" command             #
 ##################################################
@@ -1891,7 +2052,7 @@ else
 # If the first character of the first argument is '/', the argument is taken
 # as the path to the binary.
 
-$parm_exim = (@ARGV > 0 && $ARGV[0] =~ ?^/?)? shift @ARGV : "";
+$parm_exim = (@ARGV > 0 && $ARGV[0] =~ m?^/?)? shift @ARGV : "";
 print "Exim binary is $parm_exim\n" if $parm_exim ne "";
 
 
@@ -2031,7 +2192,13 @@ if ($parm_exim eq "")
 #          Find what is in the binary            #
 ##################################################
 
-open(EXIMINFO, "$parm_exim -C $parm_cwd/confs/0000 -DDIR=$parm_cwd " .
+# deal with TRUSTED_CONFIG_LIST restrictions
+unlink("$parm_cwd/test-config") if -e "$parm_cwd/test-config";
+symlink("$parm_cwd/confs/0000", "$parm_cwd/test-config")
+  or die "Unable to link initial config into place: $!\n";
+
+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|") ||
   die "** Cannot run $parm_exim: $!\n";
 while(<EXIMINFO>)
@@ -2046,6 +2213,13 @@ 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)
   {
@@ -2053,7 +2227,7 @@ if (defined $parm_eximgroup)
     else { $parm_exim_gid = getgrnam($parm_eximgroup); }
   }
 
-open(EXIMINFO, "$parm_exim -bV -C $parm_cwd/confs/0000 -DDIR=$parm_cwd |") ||
+open(EXIMINFO, "$parm_exim -bV -C $parm_cwd/test-config -DDIR=$parm_cwd |") ||
   die "** Cannot run $parm_exim: $!\n";
 
 print "-" x 78, "\n";
@@ -2130,6 +2304,7 @@ while (<EXIMINFO>)
 close(EXIMINFO);
 print "-" x 78, "\n";
 
+unlink("$parm_cwd/test-config");
 
 ##################################################
 #    Check for SpamAssassin and ClamAV           #
@@ -2140,6 +2315,8 @@ print "-" x 78, "\n";
 
 if (defined $parm_support{'Content_Scanning'})
   {
+  my $sock = new FileHandle;
+
   if (system("spamc -h 2>/dev/null >/dev/null") == 0)
     {
     print "The spamc command works:\n";
@@ -2156,23 +2333,23 @@ 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/|
@@ -2283,18 +2460,18 @@ 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";
@@ -2411,6 +2588,12 @@ $parm_caller_group = getgrgid($parm_caller_gid);
 print "Program caller is $parm_caller, whose group is $parm_caller_group\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$parm_eximgroup\E\b/)
@@ -2540,6 +2723,11 @@ if ($parm_hostname !~ /\./)
   print "\n*** Host name is not fully qualified: this may cause problems ***\n\n";
   }
 
+if ($parm_hostname =~ /[[:upper:]]/)
+  {
+  print "\n*** Host name has upper case characters: this may cause problems ***\n\n";
+  }
+
 # Find the user's shell
 
 $parm_shell = $ENV{'SHELL'};
@@ -2604,7 +2792,7 @@ 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 $parm_lookups{'dbm'} &&
@@ -2902,7 +3090,16 @@ if ($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;
+  }
+  my(@components) = split /:/, $exp_v6;
   my(@nibbles) = reverse (split /\s*/, shift @components);
   my($sep) =  "";
 
@@ -3114,10 +3311,30 @@ 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 $debug;
+    if ($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
 
@@ -3146,10 +3363,10 @@ foreach $test (@test_list)
 
       for (;;)
         {
-        print "\nshow stdErr, show stdOut, Continue (without file comparison), or Quit? [Q] ";
+        print "\nshow stdErr, show stdOut, Retry, Continue (without file comparison), or Quit? [Q] ";
         $_ = <T>;
         tests_exit(1) if /^q?$/i;
-        last if /^c$/i;
+        last if /^[rc]$/i;
         if (/^e$/i)
           {
           system("$more test-stderr");
@@ -3160,6 +3377,7 @@ foreach $test (@test_list)
           }
         }
 
+      $retry = 1 if /^r$/i;
       $docheck = 0;
       }
 
@@ -3182,10 +3400,10 @@ foreach $test (@test_list)
 
         for (;;)
           {
-          print "\nShow server stdout, Continue, or Quit? [Q] ";
+          print "\nShow server stdout, Retry, Continue, or Quit? [Q] ";
           $_ = <T>;
           tests_exit(1) if /^q?$/i;
-          last if /^c$/i;
+          last if /^[rc]$/i;
 
           if (/^s$/i)
             {
@@ -3195,6 +3413,7 @@ foreach $test (@test_list)
             close(S);
             }
           }
+        $retry = 1 if /^r$/i;
         }
       }
     }
@@ -3205,6 +3424,13 @@ foreach $test (@test_list)
   # 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)
@@ -3228,4 +3454,4 @@ tests_exit(-1, "No runnable tests selected") if @test_list == 0;
 tests_exit(0);
 
 # End of runtest script
-
+# vim: set sw=2 et :