X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/b402f29499e9790419ff4dc8bb3462552e98e827..fe12ec888ef7b81ee0f5874ca6201ba11b0e9b19:/test/runtest?ds=inline

diff --git a/test/runtest b/test/runtest
index ac840379c..729f88a66 100755
--- a/test/runtest
+++ b/test/runtest
@@ -16,9 +16,9 @@
 ###############################################################################
 
 #use strict;
-use 5.010;
-use feature 'state';	# included in 5.010
+use v5.10.1;
 use warnings;
+use if $^V >= v5.19.11, experimental => 'smartmatch';
 
 use Errno;
 use FileHandle;
@@ -26,12 +26,19 @@ use Socket;
 use Time::Local;
 use Cwd;
 use File::Basename;
+use Pod::Usage;
+use Getopt::Long;
 use FindBin qw'$RealBin';
 
 use lib "$RealBin/lib";
 use Exim::Runtest;
+use Exim::Utils qw(uniq numerically);
 
-use if $ENV{DEBUG} && $ENV{DEBUG} =~ /\bruntest\b/ => ('Smart::Comments' => '####');
+use if $ENV{DEBUG} && scalar($ENV{DEBUG} =~ /\bruntest\b/) => 'Smart::Comments' => '####';
+use if $ENV{DEBUG} && scalar($ENV{DEBUG} =~ /\bruntest\b/) => 'Data::Dumper';
+
+use constant TEST_TOP => 8999;
+use constant TEST_SPECIAL_TOP => 9999;
 
 
 # Start by initializing some global variables
@@ -61,17 +68,14 @@ my $more = 'less -XF';
 my $optargs = '';
 my $save_output = 0;
 my $server_opts = '';
+my $slow = 0;
 my $valgrind = 0;
 
 my $have_ipv4 = 1;
 my $have_ipv6 = 1;
 my $have_largefiles = 0;
 
-my $test_start = 1;
-my $test_end = $test_top = 8999;
-my $test_special_top = 9999;
 my @test_list = ();
-my @test_dirs = ();
 
 
 # Networks to use for DNS tests. We need to choose some networks that will
@@ -456,7 +460,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     {
     my($date1,$date2,$date3,$expired) = ($1,$2,$3,$4);
     $expired = '' if !defined $expired;
-    my($increment) = date_seconds($date3) - date_seconds($date2);
+
+    # Round the time-difference up to nearest even value
+    my($increment) = ((date_seconds($date3) - date_seconds($date2) + 1) >> 1) << 1;
 
     # We used to use globally unique replacement values, but timing
     # differences make this impossible. Just show the increment on the
@@ -470,6 +476,13 @@ RESET_AFTER_EXTRA_LINE_READ:
   # more_errno values in exim_dumpdb output which are times
   s/T:(\S+)\s-22\s(\S+)\s/T:$1 -22 xxxx /;
 
+  # port numbers in dumpdb output
+  s/T:([a-z.]+(:[0-9.]+)?):$parm_port_n /T:$1:PORT_N /;
+
+  # port numbers in stderr
+  s/^set_process_info: .*\]:\K$parm_port_d /PORT_D /;
+  s/^set_process_info: .*\]:\K$parm_port_s /PORT_S /;
+
 
   # ======== Dates and times ========
 
@@ -483,8 +496,17 @@ RESET_AFTER_EXTRA_LINE_READ:
     /Tue, 2 Mar 1999 09:44:33 +0000/gx;
 
   # Date/time in logs and in one instance of a filter test
-  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d(\s[+-]\d\d\d\d)?/1999-03-02 09:44:33/gx;
+  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d(\s[+-]\d\d\d\d)?\s/1999-03-02 09:44:33 /gx;
+  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\.\d{3}(\s[+-]\d\d\d\d)?\s/2017-07-30 18:51:05.712 /gx;
   s/^Logwrite\s"\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Logwrite "1999-03-02 09:44:33/gx;
+  # Date/time in syslog test
+  s/^SYSLOG:\s\'\K\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\s/2017-07-30 18:51:05 /gx;
+  s/^SYSLOG:\s\'\K\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\.\d{3}\s/2017-07-30 18:51:05.712 /gx;
+  s/^SYSLOG:\s\'\K\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\s[+-]\d\d\d\d\s/2017-07-30 18:51:05 +9999 /gx;
+  s/^SYSLOG:\s\'\K\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\.\d{3}\s[+-]\d\d\d\d\s/2017-07-30 18:51:05.712 +9999 /gx;
+
+  s/((D|[RQD]T)=)\d+s/$1qqs/g;
+  s/((D|[RQD]T)=)\d\.\d{3}s/$1q.qqqs/g;
 
   # Date/time in message separators
   s/(?:[A-Z][a-z]{2}\s){2}\d\d\s\d\d:\d\d:\d\d\s\d\d\d\d
@@ -502,7 +524,7 @@ RESET_AFTER_EXTRA_LINE_READ:
     my($next) = $3 - $2;
     $_ = "  first failed=dddd last try=dddd next try=+$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*)now=\d+ first_failed=\d+ next_try=\d+ expired=(\w)/$1now=tttt first_failed=tttt next_try=tttt expired=$2/;
   s/^(\s*)received_time=\d+ diff=\d+ timeout=(\d+)/$1received_time=tttt diff=tttt timeout=$2/;
 
   # Time to retry may vary
@@ -513,9 +535,6 @@ RESET_AFTER_EXTRA_LINE_READ:
   # Date/time in exim -bV output
   s/\d\d-[A-Z][a-z]{2}-\d{4}\s\d\d:\d\d:\d\d/07-Mar-2000 12:21:52/g;
 
-  # Time on queue tolerance
-  s/(QT|D)=1s/$1=0s/;
-
   # Eximstats heading
   s/Exim\sstatistics\sfrom\s\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\sto\s
     \d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Exim statistics from <time> to <time>/x;
@@ -525,33 +544,64 @@ RESET_AFTER_EXTRA_LINE_READ:
   s/(could not connect to .*: Connection) reset by peer$/$1 refused/;
 
   # ======== TLS certificate algorithms ========
+  #
+  # In Received: headers, convert RFC 8314 style ciphersuite to
+  # the older (comment) style, keeping only the Auth element
+  # (discarding kex, cipher, mac).  For TLS 1.3 there is no kex
+  # element (and no _WITH); insert a spurious "RSA".
+
+  s/^\s+by .+ with .+ \K tls TLS_.*?([^_]+)_WITH.+$/(TLS1.x:ke-\1-AES256-SHAnnn:xxx)/;
+  s/^\s+by .+ with .+ \K tls TLS_.+$/(TLS1.x:ke-RSA-AES256-SHAnnn:xxx)/;
+
   # 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.
+  #
+  # TLSversion : KeyExchange? - Authentication/Signature - C_iph_er - MAC : ???
+  #
   # 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
+  #   TLSv1.3:TLS_AES_256_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 '(' )
+  #
+  # Retain the authentication algorith field as we want to test that.
+
+  s/( (?: (?:\b|\s) [\(=] ) | \s )TLSv1(\.[123])?:/$1TLS1.x:/xg;
+  s/(?<!ke-)((EC)?DHE-)?(RSA|ECDSA)-AES(128|256)-(GCM-SHA(256|384)|SHA)(?!:)/ke-$3-AES256-SHAnnn/g;
+  s/(?<!ke-)((EC)?DHE-)?(RSA|ECDSA)-AES(128|256)-(GCM-SHA(256|384)|SHA):(128|256)/ke-$3-AES256-SHAnnn:xxx/g;
 
-  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;
+  # OpenSSL TLSv1.3 - unsure what to do about the authentication-variant testcases now,
+  # as it seems the protocol no longer supports a user choice.  Replace the "TLS" field with "RSA".
+  # Also insert a key-exchange field for back-compat, even though 1.3 doesn't do that.
+  #
+  # TLSversion : "TLS" - C_iph_er - MAC : ???
+  #
+  s/TLS_AES(_256)?_GCM_SHA384(?!:)/ke-RSA-AES256-SHAnnn/g;
+  s/:TLS_AES(_256)?_GCM_SHA384:256/:ke-RSA-AES256-SHAnnn:xxx/g;
 
   # LibreSSL
+  # TLSv1:AES256-GCM-SHA384:256
   # TLSv1:ECDHE-RSA-CHACHA20-POLY1305:256
-  s/\bECDHE-RSA-CHACHA20-POLY1305\b/AES256-SHA/g;
+  #
+  # ECDHE-RSA-CHACHA20-POLY1305
+  # AES256-GCM-SHA384
+
+  s/(?<!-)(AES256-GCM-SHA384)/RSA-$1/;
+  s/(?<!ke-)((EC)?DHE-)?(RSA|ECDSA)-(AES256|CHACHA20)-(GCM-SHA384|POLY1305)(?!:)/ke-$3-AES256-SHAnnn/g;
+  s/(?<!ke-)((EC)?DHE-)?(RSA|ECDSA)-(AES256|CHACHA20)-(GCM-SHA384|POLY1305):256/ke-$3-AES256-SHAnnn:xxx/g;
 
   # GnuTLS have seen:
+  #   TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256
+  #
   #   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)
@@ -566,14 +616,15 @@ RESET_AFTER_EXTRA_LINE_READ:
   #   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;
+  s/\bDHE_RSA_AES_128_CBC_SHA1:128/RSA-AES256-SHA1:256/g;
+  s/TLS1.[0123]:((EC)?DHE_)?(RSA|ECDSA)_AES_(256|128)_(CBC|GCM)_SHA(1|256|384):(256|128)/TLS1.x:ke-$3-AES256-SHAnnn:xxx/g;
+  s/\b(ECDHE-(RSA|ECDSA)-AES256-SHA|DHE-RSA-AES256-SHA256)\b/ke-$2-AES256-SHAnnn/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;
+  s/\(gnutls_handshake\): \KNo supported cipher suites have been found.$/Could not negotiate a supported cipher suite./;
 
   # (this new one is a generic channel-read error, but the testsuite
   # only hits it in one place)
@@ -649,7 +700,7 @@ RESET_AFTER_EXTRA_LINE_READ:
 
   s/\bgid=\d+/gid=gggg/;
   s/\begid=\d+/egid=gggg/;
-  s/\bpid=\d+/pid=pppp/;
+  s/\b(pid=|PID: )\d+/$1pppp/;
   s/\buid=\d+/uid=uuuu/;
   s/\beuid=\d+/euid=uuuu/;
   s/set_process_info:\s+\d+/set_process_info: pppp/;
@@ -663,8 +714,12 @@ RESET_AFTER_EXTRA_LINE_READ:
   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;
+  s/^(\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d)(\.\d{3}|)(\s[+-]\d{4}|)(\s\[\d+\])/
+    "$1$2$3 [" . new_value($4, "%s", \$next_pid) . "]"/gxe;
+
+  # Optional pid in syslog test lines
+  s/^(SYSLOG:\s\'([-0-9]{10}\s[:.0-9]{8,12}\s([-+]\d{4}\s)?|))(\[\d+\] )/
+    "$1\[" . new_value($4, "%s", \$next_pid) . "]"/gxe;
 
   # Detect a daemon stderr line with a pid and save the pid for subsequent
   # removal from following lines.
@@ -800,7 +855,10 @@ RESET_AFTER_EXTRA_LINE_READ:
   # numbers, or handle specific bad conditions in different ways, leading to
   # different wording in the error messages, so we cannot compare them.
 
-  s/(TLS error on connection (?:from .* )?\(SSL_\w+\): error:)(.*)/$1 <<detail omitted>>/;
+#XXX This loses any trailing "deliving unencypted to" which is unfortunate
+#    but I can't work out how to deal with that.
+  s/(TLS session: \(SSL_\w+\): error:)(.*)(?!: delivering)/$1 <<detail omitted>>/;
+  s/(TLS error on connection from .* \(SSL_\w+\): error:)(.*)/$1 <<detail omitted>>/;
   next if /SSL verify error: depth=0 error=certificate not trusted/;
 
   # ======== Maildir things ========
@@ -895,7 +953,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     next if /^SSL info:/;
     next if /SSL verify error: depth=0 error=certificate not trusted/;
     s/SSL3_READ_BYTES/ssl3_read_bytes/i;
-    s/^\d+:error:\d+(:SSL routines:ssl3_read_bytes:[^:]+:).*(:SSL alert number \d\d)$/pppp:error:dddddddd$1\[...\]$2/;
+    s/CONNECT_CR_FINISHED/ssl3_read_bytes/i;
+    s/^\d+:error:\d+(?:E\d+)?(:SSL routines:ssl3_read_bytes:[^:]+:).*(:SSL alert number \d\d)$/pppp:error:dddddddd$1\[...\]$2/;
+    s/^error:[^:]*:(SSL routines:ssl3_read_bytes:(tls|ssl)v\d+ alert)/error:dddddddd:$1/;
 
     # gnutls version variances
     next if /^Error in the pull function./;
@@ -903,6 +963,16 @@ RESET_AFTER_EXTRA_LINE_READ:
     # optional IDN2 variant conversions.  Accept either IDN1 or IDN2
     s/conversion  strasse.de/conversion  xn--strae-oqa.de/;
     s/conversion: german.xn--strae-oqa.de/conversion: german.straße.de/;
+
+    # subsecond timstamp info in reported header-files
+    s/^(-received_time_usec \.)\d{6}$/$1uuuuuu/;
+
+    # Postgres server takes varible time to shut down; lives in various places
+    s/^waiting for server to shut down\.+ done$/waiting for server to shut down.... done/;
+    s/^\/.*postgres /POSTGRES /;
+
+    # ARC is not always supported by the build
+    next if /^arc_sign =/;
     }
 
   # ======== stderr ========
@@ -913,15 +983,19 @@ RESET_AFTER_EXTRA_LINE_READ:
 
     s/^Exim version .*/Exim version x.yz ..../;
 
-    # Debugging lines for Exim terminations
+    # Debugging lines for Exim terminations and process-generation
 
     s/(?<=^>>>>>>>>>>>>>>>> Exim pid=)\d+(?= terminating)/pppp/;
+    s/^(proxy-proc \w{5}-pid) \d+$/$1 pppp/;
 
     # IP address lookups use gethostbyname() when IPv6 is not supported,
     # and gethostbyname2() or getipnodebyname() when it is.
 
     s/\b(gethostbyname2?|\bgetipnodebyname)(\(af=inet\))?/get[host|ipnode]byname[2]/;
 
+    # we don't care what TZ enviroment the testhost was running
+    next if /^Reset TZ to/;
+
     # drop gnutls version strings
     next if /GnuTLS compile-time version: \d+[\.\d]+$/;
     next if /GnuTLS runtime version: \d+[\.\d]+$/;
@@ -979,7 +1053,7 @@ RESET_AFTER_EXTRA_LINE_READ:
     next if /name=localhost address=::1/;
 
     # drop pdkim debugging header
-    next if /^PDKIM <<<<<<<<<<<<<<<<<<<<<<<<<<<<<+$/;
+    next if /^PDKIM( <<<<<<<<<<<<<<<<<<<<<<<<<<<<<+|: no signatures)$/;
 
     # Various other IPv6 lines must be omitted too
 
@@ -1022,12 +1096,14 @@ RESET_AFTER_EXTRA_LINE_READ:
     # Some DBM libraries seem to make DBM files on opening with O_RDWR without
     # O_CREAT; other's don't. In the latter case there is some debugging output
     # which is not present in the former. Skip the relevant lines (there are
-    # two of them).
+    # three of them).
 
-    if (/TESTSUITE\/spool\/db\/\S+ appears not to exist: trying to create/)
+    if (/returned from EXIM_DBOPEN: \(nil\)/)
       {
-      $_ = <IN>;
-      next;
+      $_ .= <IN>;
+      s?\Q$parm_cwd\E?TESTSUITE?g;
+      if (/TESTSUITE\/spool\/db\/\S+ appears not to exist: trying to create/)
+	{ $_ = <IN>; next; }
       }
 
     # Some tests turn on +expand debugging to check on expansions.
@@ -1048,15 +1124,26 @@ RESET_AFTER_EXTRA_LINE_READ:
 
     # 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;
 
+    # DISABLE_OCSP 
+    next if /in hosts_requ(est|ire)_ocsp\? (no|yes)/;
+
     # SUPPORT_PROXY
     next if /host in hosts_proxy\?/;
 
     # Experimental_International
     next if / in smtputf8_advertise_hosts\? no \(option unset\)/;
 
+    # Experimental_REQUIRETLS
+    next if / in tls_advertise_requiretls?\? no \(end of list\)/;
+
+    # TCP Fast Open
+    next if /^(ppppp )?setsockopt FASTOPEN: Network Error/;
+
+    # Experimental_PIPE_CONNECT
+    next if / in (pipelining_connect_advertise_hosts|hosts_pipe_connect)?\? no /;
+
     # Environment cleaning
     next if /\w+ in keep_environment\? (yes|no)/;
 
@@ -1070,9 +1157,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     if (s/(with \$received_protocol)\}\} \$\{if def:tls_cipher \{\(\$tls_cipher\)\n$/$1/)
       {
       $_ .= <IN>;
-      s/\s+\}\}(?=\(Exim )/\}\} /;
+      s/[\s╎]+\}\}(?=\(Exim )/\}\} /;
       }
-    if (/^  condition: def:tls_cipher$/)
+    if (/^ ├──condition: def:tls_cipher$/)
       {
       <IN>; <IN>; <IN>; <IN>; <IN>; <IN>;
       <IN>; <IN>; <IN>; <IN>; <IN>; next;
@@ -1081,6 +1168,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     # Not all platforms build with DKIM enabled
     next if /^PDKIM >> Body data for hash, canonicalized/;
 
+    # Not all platforms have sendfile support
+    next if /^cannot use sendfile for body: no support$/;
+
     #  Parts of DKIM-specific debug output depend on the time/date
     next if /^date:\w+,\{SP\}/;
     next if /^PDKIM \[[^[]+\] (Header hash|b) computed:/;
@@ -1093,8 +1183,20 @@ RESET_AFTER_EXTRA_LINE_READ:
       s/Address family not supported by protocol family/Network Error/;
       s/Network is unreachable/Network Error/;
       }
-
     next if /^(ppppp )?setsockopt FASTOPEN: Protocol not available$/;
+    s/^(Connecting to .* \.\.\. sending) \d+ (nonTFO early-data)$/$1 dd $2/;
+
+    # Specific pointer values reported for DB operations change from run to run
+    s/^(\s*returned from EXIM_DBOPEN: )(0x)?[0-9a-f]+/${1}0xAAAAAAAA/;
+    s/^(\s*EXIM_DBCLOSE.)(0x)?[0-9a-f]+/${1}0xAAAAAAAA/;
+
+    # Platform-dependent output during MySQL startup
+    next if /PerconaFT file system space/;
+    next if /^Waiting for MySQL server to answer/;
+    next if /mysqladmin: CREATE DATABASE failed; .* database exists/;
+
+    # Not all builds include DMARC
+    next if /^DMARC: no (dmarc_tld_file|sender_host_address)$/ ;
 
     # When Exim is checking the size of directories for maildir, it uses
     # the check_dir_size() function to scan directories. Of course, the order
@@ -1128,6 +1230,7 @@ RESET_AFTER_EXTRA_LINE_READ:
                 /^Support for:/ ||
                 /^Routers:/ ||
                 /^Transports:/ ||
+                /^Malware:/ ||
                 /^log selectors =/ ||
                 /^cwd=/ ||
                 /^Fixed never_users:/ ||
@@ -1147,6 +1250,35 @@ RESET_AFTER_EXTRA_LINE_READ:
     {
     # Berkeley DB version differences
     next if / Berkeley DB error: /;
+
+    # CHUNKING: exact sizes depend on hostnames in headers
+    s/(=>.* K C="250- \d)\d+ (byte chunk, total \d)\d+/$1nn $2nn/;
+
+    # openssl version variances
+    s/(TLS error on connection [^:]*: error:)[0-9A-F]{8}(:system library):(?:fopen|func\(4095\)):(No such file or directory)$/$1xxxxxxxx$2:fopen:$3/;
+    s/(DANE attempt failed.*error:)[0-9A-F]{8}(:SSL routines:)(ssl3_get_server_certificate|tls_process_server_certificate|CONNECT_CR_CERT)(?=:certificate verify failed$)/$1xxxxxxxx$2ssl3_get_server_certificate/;
+    s/(DKIM: validation error: )error:[0-9A-F]{8}:rsa routines:(?:(?i)int_rsa_verify|CRYPTO_internal):(?:bad signature|algorithm mismatch)$/$1Public key signature verification has failed./;
+
+    # DKIM timestamps
+    if ( /(DKIM: d=.*) t=([0-9]*) x=([0-9]*) / )
+      {
+      my ($prefix, $t_diff) = ($1, $3 - $2);
+      s/DKIM: d=.* t=[0-9]* x=[0-9]* /${prefix} t=T x=T+${t_diff} /;
+      }
+    }
+
+  # ======== mail ========
+
+  elsif ($is_mail)
+    {
+    # DKIM timestamps, and signatures depending thereon
+    if ( /^(\s+)t=([0-9]*); x=([0-9]*); b=[A-Za-z0-9+\/]+$/ )
+      {
+      my ($indent, $t_diff) = ($1, $3 - $2);
+      s/.*/${indent}t=T; x=T+${t_diff}; b=bbbb;/;
+      <IN>;
+      <IN>;
+      }
     }
 
   # ======== All files other than stderr ========
@@ -1274,8 +1406,8 @@ if (! -e $sf_current)
       log_failure($log_failed_filename, $testno, $rf);
       log_test($log_summary_filename, $testno, 'F') if ($force_continue);
     }
-    return 1 if /^c$/i;
-    last if (/^s$/);
+    return 1 if /^c$/i && $rf !~ /paniclog/ && $rsf !~ /paniclog/;
+    last if (/^[sc]$/);
     }
 
   foreach $f ($rf, $rsf)
@@ -1476,6 +1608,11 @@ $munges =
     'gnutls_handshake' =>
     { 'mainlog' => 's/\(gnutls_handshake\): Error in the push function/\(gnutls_handshake\): A TLS packet with unexpected length was received/' },
 
+    'gnutls_bad_clientcert' =>
+    { 'mainlog' => 's/\(certificate verification failed\): certificate invalid/\(gnutls_handshake\): The peer did not send any certificate./',
+      'stdout'  => 's/Succeeded in starting TLS/A TLS fatal alert has been received.\nFailed to start TLS'
+    },
+
     'optional_events' =>
     { 'stdout' => '/event_action =/' },
 
@@ -1495,7 +1632,17 @@ $munges =
     { 'stderr' => 's/(1[5-9]|23\d)\d\d msec/ssss msec/' },
 
     'tls_anycipher' =>
-    { 'mainlog' => 's/ X=TLS\S+ / X=TLS_proto_and_cipher /' },
+    { 'mainlog'   => 's! X=TLS\S+ ! X=TLS_proto_and_cipher !;
+		      s! DN="C=! DN="/C=!;
+		      s! DN="[^,"]*\K,!/!;
+		      s! DN="[^,"]*\K,!/!;
+		      s! DN="[^,"]*\K,!/!;
+		     ',
+      'rejectlog' => 's/ X=TLS\S+ / X=TLS_proto_and_cipher /',
+      'mail'      => 's/^\s+by .+ with .+ \K tls TLS_.+$/(TLS_proto_and_cipher)/;
+		      s/ \(TLS[^)]*\)/ (TLS_proto_and_cipher)/;
+		     ',
+    },
 
     'debug_pid' =>
     { 'stderr' => 's/(^\s{0,4}|(?<=Process )|(?<=child ))\d{1,5}/ppppp/g' },
@@ -1506,13 +1653,18 @@ $munges =
 
     'optional_config' =>
     { 'stdout' => '/^(
-                  dkim_(canon|domain|private_key|selector|sign_headers|strict)
+                  dkim_(canon|domain|private_key|selector|sign_headers|strict|hash|identity|timestamps)
                   |gnutls_require_(kx|mac|protocols)
+		  |hosts_pipe_connect
                   |hosts_(requ(est|ire)|try)_(dane|ocsp)
-                  |hosts_(avoid|nopass|require|verify_avoid)_tls
+		  |dane_require_tls_ciphers
+                  |hosts_(avoid|nopass|noproxy|require|verify_avoid)_tls
+                  |pipelining_connect_advertise_hosts
                   |socks_proxy
                   |tls_[^ ]*
-                  )($|[ ]=)/x' },
+		  |utf8_downconvert
+                  )($|[ ]=)/x'
+    },
 
     'sys_bindir' =>
     { 'mainlog' => 's%/(usr/(local/)?)?bin/%SYSBINDIR/%' },
@@ -1528,6 +1680,12 @@ $munges =
 
     'timeout_errno' =>		# actual errno differs Solaris vs. Linux
     { 'mainlog' => 's/(host deferral .* errno) <\d+> /$1 <EEE> /' },
+
+    'peer_terminated_conn' =>	# actual error differs FreedBSD vs. Linux
+    { 'stderr' => 's/^(  SMTP\()Connection reset by peer(\)<<)$/$1closed$2/' },
+
+    'perl_variants' =>		# result of hash-in-scalar-context changed from bucket-fill to keycount
+    { 'stdout' => 's%^> X/X$%> X%' },
   };
 
 
@@ -2054,7 +2212,7 @@ 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
+# to be made before result compares are run against 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.
@@ -2266,22 +2424,20 @@ elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+
 
   if ($args =~ /\$msg/)
     {
-    my($listcmd) = "$parm_cwd/eximdir/exim -bp " .
-                   "-DEXIM_PATH=$parm_cwd/eximdir/exim " .
-                   "-C $parm_cwd/test-config |";
-    print ">> Getting queue list from:\n>>    $listcmd\n" if ($debug);
-    open (QLIST, $listcmd) || tests_exit(-1, "Couldn't run \"exim -bp\": $!\n");
-    my(@msglist) = ();
-    while (<QLIST>) { push (@msglist, $1) if /^\s*\d+[smhdw]\s+\S+\s+(\S+)/; }
-    close(QLIST);
+    my @listcmd  = ("$parm_cwd/eximdir/exim", '-bp',
+                   "-DEXIM_PATH=$parm_cwd/eximdir/exim",
+                   -C => "$parm_cwd/test-config");
+    print ">> Getting queue list from:\n>>    @listcmd\n" if $debug;
     # We need the message ids sorted in ascending order.
     # Message id is: <timestamp>-<pid>-<fractional-time>. On some systems (*BSD) the
     # PIDs are randomized, so sorting just the whole PID doesn't work.
     # We do the Schartz' transformation here (sort on
     # <timestamp><fractional-time>). Thanks to Kirill Miazine
-    @msglist = map { $_->[0] }
-               sort { $a->[1] cmp $b->[1] }
-               map { [$_, join '', (split '-', $_)[0,2]] } @msglist;
+    my @msglist =
+      map { $_->[1] }                                   # extract the values
+      sort { $a->[0] cmp $b->[0] }                      # sort by key
+      map { [join('.' => (split /-/, $_)[0,2]) => $_] } # key (timestamp.fractional-time) => value(message_id)
+      map { /^\s*\d+[smhdw]\s+\S+\s+(\S+)/ } `@listcmd` or tests_exit(-1, "No output from `exim -bp` (@listcmd)\n");
 
     # Done backwards just in case there are more than 9
 
@@ -2318,7 +2474,6 @@ elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+
 
   if ($cmd =~ /\s-DSERVER=server\s/ && $cmd !~ /\s-DNOTDAEMON\s/)
     {
-    $pidfile = "$parm_cwd/spool/exim-daemon.pid";
     if ($debug) { printf ">> daemon: $cmd\n"; }
     run_system("sudo mkdir spool/log 2>/dev/null");
     run_system("sudo chown $parm_eximuser:$parm_eximgroup spool/log");
@@ -2345,7 +2500,8 @@ elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+
     while (<SCRIPT>) { $lineno++; last if /^\*{4}\s*$/; }   # Ignore any input
 
     # Interlock with daemon startup
-    while (! stat("$pidfile") ) { select(undef, undef, undef, 0.3); }
+    for (my $count = 0; ! stat("$pidfile") && $count < 30; $count++ )
+      { select(undef, undef, undef, 0.3); }
     return 3;                                     # Don't wait
     }
   elsif ($cmd =~ /\s-DSERVER=wait:(\d+)\s/)
@@ -2386,6 +2542,7 @@ elsif (/^background$/)
 
   $_ = <SCRIPT>; $lineno++;
   chomp;
+  do_substitute($testno);
   $line = $_;
   if ($debug) { printf ">> daemon: $line >>test-stdout 2>>test-stderr\n"; }
 
@@ -2498,22 +2655,6 @@ $more = 'more' if system('which less >/dev/null 2>&1') != 0;
 
 
 
-##################################################
-#        Check for sudo access to root           #
-##################################################
-
-print "You need to have sudo access to root to run these tests. Checking ...\n";
-if (system('sudo true >/dev/null') != 0)
-  {
-  die "** Test for sudo failed: testing abandoned.\n";
-  }
-else
-  {
-  print "Test for sudo OK\n";
-  }
-
-
-
 ##################################################
 #      See if an Exim binary has been given      #
 ##################################################
@@ -2522,10 +2663,6 @@ else
 # as the path to the binary. If the first argument does not start with a
 # '/' but exists in the file system, it's assumed to be the Exim binary.
 
-($parm_exim, @ARGV) = Exim::Runtest::exim_binary(@ARGV);
-print "Exim binary is $parm_exim\n" if $parm_exim ne '';
-
-
 
 ##################################################
 # Sort out options and which tests are to be run #
@@ -2535,36 +2672,58 @@ print "Exim binary is $parm_exim\n" if $parm_exim ne '';
 # options are passed on to Exim calls within the tests. Typically, this is used
 # to turn on Exim debugging while setting up a test.
 
-while (@ARGV > 0 && $ARGV[0] =~ /^-/)
-  {
-  my($arg) = shift @ARGV;
-  if ($optargs eq '')
-    {
-    if ($arg eq "-DEBUG")  { $debug = 1; $cr = "\n"; next; }
-    if ($arg eq "-DIFF")   { $cf = "diff -u"; next; }
-    if ($arg eq "-CONTINUE"){$force_continue = 1;
-                             $more = "cat";
-                             next; }
-    if ($arg eq "-UPDATE") { $force_update = 1; next; }
-    if ($arg eq "-NOIPV4") { $have_ipv4 = 0; next; }
-    if ($arg eq "-NOIPV6") { $have_ipv6 = 0; next; }
-    if ($arg eq "-KEEP")   { $save_output = 1; next; }
-    if ($arg eq "-VALGRIND")   { $valgrind = 1; next; }
-    if ($arg =~ /^-FLAVOU?R$/) { $flavour = shift; next; }
-    }
-  $optargs .= " $arg";
-  }
+Getopt::Long::Configure qw(no_getopt_compat);
+GetOptions(
+    'debug'    => sub { $debug          = 1; $cr   = "\n" },
+    'diff'     => sub { $cf             = 'diff -u' },
+    'continue' => sub { $force_continue = 1; $more = 'cat' },
+    'update'   => \$force_update,
+    'ipv4!'    => \$have_ipv4,
+    'ipv6!'    => \$have_ipv6,
+    'keep'     => \$save_output,
+    'slow'     => \$slow,
+    'valgrind' => \$valgrind,
+    'range=s{2}'       => \my @range_wanted,
+    'test=i@'          => \my @tests_wanted,
+    'flavor|flavour=s' => \$flavour,
+    'help'             => sub { pod2usage(-exit => 0) },
+    'man'              => sub {
+        pod2usage(
+            -exit      => 0,
+            -verbose   => 2,
+            -noperldoc => system('perldoc -V 2>/dev/null 1>&2')
+        );
+    },
+) or pod2usage;
+
+($parm_exim, @ARGV) = Exim::Runtest::exim_binary(@ARGV);
+print "Exim binary is `$parm_exim'\n" if defined $parm_exim;
 
-# Any subsequent arguments are a range of test numbers.
 
-if (@ARGV > 0)
+my @wanted = sort numerically uniq
+  @tests_wanted ? @tests_wanted : (),
+  @range_wanted ? $range_wanted[0] .. $range_wanted[1] : (),
+  @ARGV ? @ARGV == 1 ? $ARGV[0] :
+          $ARGV[1] eq '+' ? $ARGV[0]..($ARGV[0] >= 9000 ? TEST_SPECIAL_TOP : TEST_TOP) :
+          0+$ARGV[0]..0+$ARGV[1]    # add 0 to cope with test numbers starting with zero
+        : ();
+@wanted = 1..TEST_TOP if not @wanted;
+
+##################################################
+#        Check for sudo access to root           #
+##################################################
+
+print "You need to have sudo access to root to run these tests. Checking ...\n";
+if (system('sudo true >/dev/null') != 0)
   {
-  $test_end = $test_start = $ARGV[0];
-  $test_end = $ARGV[1] if (@ARGV > 1);
-  $test_end = ($test_start >= 9000)? $test_special_top : $test_top
-    if $test_end eq "+";
-  die "** Test numbers out of order\n" if ($test_end < $test_start);
+  die "** Test for sudo failed: testing abandoned.\n";
   }
+else
+  {
+  print "Test for sudo OK\n";
+  }
+
+
 
 
 ##################################################
@@ -2591,7 +2750,7 @@ $parm_cwd = Cwd::getcwd();
 
 # If $parm_exim is still empty, ask the caller
 
-if ($parm_exim eq '')
+if (not $parm_exim)
   {
   print "** Did not find an Exim binary to test\n";
   for ($i = 0; $i < 5; $i++)
@@ -2704,7 +2863,7 @@ if (defined $parm_trusted_config_list)
   open(TCL, $parm_trusted_config_list) or die "Can't open $parm_trusted_config_list: $!\n";
   my $test_config = getcwd() . '/test-config';
   die "Can't find '$test_config' in TRUSTED_CONFIG_LIST $parm_trusted_config_list."
-  if not grep { /^$test_config$/ } <TCL>;
+  if not grep { /^\Q$test_config\E$/ } <TCL>;
   }
 else
   {
@@ -2718,6 +2877,9 @@ die "CONFIGURE_GROUP ($parm_configure_group) does not match the group invoking $
 	if 0020 & (stat "$parm_cwd/test-config")[2]
 	and $parm_configure_group != $);
 
+die "aux-fixed file is world-writeable; best to strip them all, recursively\n"
+	if 0020 & (stat "aux-fixed/0037.f-1")[2];
+
 
 open(EXIMINFO, "$parm_exim -d-all+transport -bV -C $parm_cwd/test-config -DDIR=$parm_cwd |") ||
   die "** Cannot run $parm_exim: $!\n";
@@ -2729,6 +2891,7 @@ while (<EXIMINFO>)
   my(@temp);
 
   if (/^(Exim|Library) version/) { print; }
+  if (/Runtime: /) {print; }
 
   elsif (/^Size of off_t: (\d+)/)
     {
@@ -2792,6 +2955,15 @@ while (<EXIMINFO>)
         }
       }
     }
+
+  elsif (/^Malware: (.*)/)
+    {
+    print;
+    @temp = split /(\s+)/, $1;
+    push(@temp, ' ');
+    %parm_malware = @temp;
+    }
+
   }
 close(EXIMINFO);
 print "-" x 78, "\n";
@@ -3102,6 +3274,12 @@ unless (defined $parm_eximgroup)
   die "** ABANDONING.\n";
   }
 
+if ($parm_caller_home eq $parm_cwd)
+  {
+  print "will confuse working dir with homedir; change homedir\n";
+  die "** ABANDONING.\n";
+  }
+
 print "You need to be in the Exim group to run these tests. Checking ...";
 
 if (`groups` =~ /\b\Q$parm_eximgroup\E\b/)
@@ -3231,6 +3409,12 @@ if ($parm_hostname =~ /[[:upper:]]/)
   print "\n*** Host name has upper case characters: this may cause problems ***\n\n";
   }
 
+if ($parm_hostname =~ /\.example\.com$/)
+  {
+  die "\n*** Host name ends in .example.com; this conflicts with the testsuite use of that domain.\n"
+	. "    Please change the host's name (or comment out this check, and fail several testcases)\n";
+  }
+
 
 
 ##################################################
@@ -3284,7 +3468,6 @@ system("sudo cp eximdir/exim eximdir/exim_exim;" .
        "sudo chgrp $parm_eximgroup eximdir/exim_exim;" .
        "sudo chmod 06755 eximdir/exim_exim");
 
-
 ##################################################
 #     Make copies of utilities we might need     #
 ##################################################
@@ -3327,6 +3510,15 @@ if (system("cp $parm_exim_dir/eximstats eximdir") != 0)
   tests_exit(-1, "Failed to make a copy of eximstats: $!");
   }
 
+# Collect some version information
+print '-' x 78, "\n";
+print "Perl version for runtest: $]\n";
+foreach (map { "./eximdir/$_" } qw(exigrep exinext eximstats)) {
+  # fold (or unfold?) multiline output into a one-liner
+  print join(', ', map { chomp; $_ } `$_ --version`), "\n";
+}
+print '-' x 78, "\n";
+
 
 ##################################################
 #    Check that the Exim user can access stuff   #
@@ -3369,6 +3561,8 @@ else
   print " OK\n";
   }
 
+tests_exit(-1, "Failed to unlink $log_summary_filename: $!")
+  if not unlink($log_summary_filename) and -e $log_summary_filename;
 
 ##################################################
 #        Create a list of available tests        #
@@ -3382,33 +3576,21 @@ else
 # because the current binary does not support the right facilities, and also
 # those that are outside the numerical range selected.
 
-print "\nTest range is $test_start to $test_end (flavour $flavour)\n";
+printf "\nWill run %d tests between %d and %d for flavour %s\n",
+  scalar(@wanted), $wanted[0], $wanted[-1], $flavour;
+
 print "Omitting \${dlfunc expansion tests (loadable module not present)\n"
   if $dlfunc_deleted;
 print "Omitting dbm tests (unable to copy exim_dbmbuild)\n"
   if $dbm_build_deleted;
 
-opendir(DIR, "scripts") || tests_exit(-1, "Failed to opendir(\"scripts\"): $!");
-@test_dirs = sort readdir(DIR);
-closedir(DIR);
 
-# Remove . and .. and CVS from the list.
-
-for ($i = 0; $i < @test_dirs; $i++)
-  {
-  my($d) = $test_dirs[$i];
-  if ($d eq "." || $d eq ".." || $d eq "CVS")
-    {
-    splice @test_dirs, $i, 1;
-    $i--;
-    }
-  }
+my @test_dirs = grep { not /^CVS$/ } map { basename $_ } glob 'scripts/*'
+  or die tests_exit(-1, "Failed to find test scripts in 'scripts/*`: $!");
 
 # Scan for relevant tests
-
-tests_exit(-1, "Failed to unlink $log_summary_filename")
-  if (-e $log_summary_filename && !unlink($log_summary_filename));
-for ($i = 0; $i < @test_dirs; $i++)
+# HS12: Needs to be reworked.
+DIR: for (my $i = 0; $i < @test_dirs; $i++)
   {
   my($testdir) = $test_dirs[$i];
   my($wantthis) = 1;
@@ -3418,19 +3600,19 @@ for ($i = 0; $i < @test_dirs; $i++)
   # Skip this directory if the first test is equal or greater than the first
   # test in the next directory.
 
-  next if ($i < @test_dirs - 1) &&
-          ($test_start >= substr($test_dirs[$i+1], 0, 4));
+  next DIR if ($i < @test_dirs - 1) &&
+          ($wanted[0] >= substr($test_dirs[$i+1], 0, 4));
 
   # No need to carry on if the end test is less than the first test in this
   # subdirectory.
 
-  last if $test_end < substr($testdir, 0, 4);
+  last DIR if $wanted[-1] < substr($testdir, 0, 4);
 
   # Check requirements, if any.
 
-  if (open(REQUIRES, "scripts/$testdir/REQUIRES"))
+  if (open(my $requires, "scripts/$testdir/REQUIRES"))
     {
-    while (<REQUIRES>)
+    while (<$requires>)
       {
       next if /^\s*$/;
       s/\s+$//;
@@ -3458,12 +3640,41 @@ for ($i = 0; $i < @test_dirs; $i++)
         {
         if (!defined $parm_transports{$1}) { $wantthis = 0; last; }
         }
+      elsif (/^malware (.*)$/)
+        {
+        if (!defined $parm_malware{$1}) { $wantthis = 0; last; }
+        }
+      elsif (/^feature (.*)$/)
+        {
+	# move to a subroutine?
+	my $eximinfo = "$parm_exim -C $parm_cwd/test-config -DDIR=$parm_cwd -bP macro $1";
+
+	open (IN, "$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: $!\n");
+	while (<IN>)
+	  {
+	  do_substitute($testno);
+	  print OUT;
+	  }
+	close(IN);
+	close(OUT);
+
+	system($eximinfo . " >/dev/null 2>&1");
+	if ($? != 0) {
+	  unlink("$parm_cwd/test-config");
+	  $wantthis = 0;
+	  $_ = "feature $1";
+	  last;
+	}
+	unlink("$parm_cwd/test-config");
+        }
       else
         {
         tests_exit(-1, "Unknown line in \"scripts/$testdir/REQUIRES\": \"$_\"");
         }
       }
-    close(REQUIRES);
     }
   else
     {
@@ -3482,15 +3693,13 @@ for ($i = 0; $i < @test_dirs; $i++)
   # We want the tests from this subdirectory, provided they are in the
   # range that was selected.
 
-  opendir(SUBDIR, "scripts/$testdir") ||
-    tests_exit(-1, "Failed to opendir(\"scripts/$testdir\"): $!");
-  @testlist = sort readdir(SUBDIR);
-  close(SUBDIR);
+  @testlist = grep { $_ ~~ @wanted } grep { /^\d+(?:\.\d+)?$/ } map { basename $_ } glob "scripts/$testdir/*";
+  tests_exit(-1, "Failed to read test scripts from `scripts/$testdir/*': $!")
+    if not @testlist;
 
   foreach $test (@testlist)
     {
-    next if ($test !~ /^\d{4}(?:\.\d+)?$/);
-    if (!$wantthis || $test < $test_start || $test > $test_end)
+    if (!$wantthis)
       {
       log_test($log_summary_filename, $test, '.');
       }
@@ -3501,7 +3710,7 @@ for ($i = 0; $i < @test_dirs; $i++)
     }
   }
 
-print ">>Test List: @test_list\n", if $debug;
+print ">>Test List:\n", join "\n", @test_list, '' if $debug;
 
 
 ##################################################
@@ -3671,27 +3880,31 @@ closedir(DIR);
 if (not $force_continue) {
   # runtest needs to interact if we're not in continue
   # mode. It does so by communicate to /dev/tty
-  open(T, "/dev/tty") or tests_exit(-1, "Failed to open /dev/tty: $!");
+  open(T, '<', '/dev/tty') or tests_exit(-1, "Failed to open /dev/tty: $!");
+  print "\nPress RETURN to run the tests: ";
+  <T>;
 }
 
 
-print "\nPress RETURN to run the tests: ";
-$_ = $force_continue ? "c" : <T>;
-print "\n";
-
-$lasttestdir = '';
-
 foreach $test (@test_list)
   {
-  local($lineno) = 0;
-  local($commandno) = 0;
-  local($subtestno) = 0;
+  state $lasttestdir = '';
+
+  local $lineno     = 0;
+  local $commandno  = 0;
+  local $subtestno  = 0;
+  local $sortlog    = 0;
+
   (local $testno = $test) =~ s|.*/||;
-  local($sortlog) = 0;
 
-  my($gnutls) = 0;
-  my($docheck) = 1;
-  my($thistestdir) = substr($test, 0, -5);
+  # Leaving traces in the process table and in the environment
+  # gives us a chance to identify hanging processes (exim daemons)
+  local $0 = "[runtest $testno]";
+  local $ENV{EXIM_TEST_NUMBER} = $testno;
+
+  my $gnutls   = 0;
+  my $docheck  = 1;
+  my $thistestdir  = substr($test, 0, -5);
 
   $dynamic_socket->close() if $dynamic_socket;
 
@@ -3700,20 +3913,19 @@ foreach $test (@test_list)
     $gnutls = 0;
     if (-s "scripts/$thistestdir/REQUIRES")
       {
-      my($indent) = '';
+      my $indent = '';
       print "\n>>> The following tests require: ";
-      open(IN, "scripts/$thistestdir/REQUIRES") ||
-        tests_exit(-1, "Failed to open scripts/$thistestdir/REQUIRES: $1");
-      while (<IN>)
+      open(my $requires, '<', "scripts/$thistestdir/REQUIRES") ||
+        tests_exit(-1, "Failed to open scripts/$thistestdir/REQUIRES: $!");
+      while (<$requires>)
         {
         $gnutls = 1 if /^support GnuTLS/;
         print $indent, $_;
         $indent = ">>>                              ";
         }
-      close(IN);
       }
+      $lasttestdir = $thistestdir;
     }
-  $lasttestdir = $thistestdir;
 
   # Remove any debris in the spool directory and the test-mail directory
   # and also the files for collecting stdout and stderr. Then put back
@@ -3855,8 +4067,6 @@ foreach $test (@test_list)
     my($rc, $run_extra) = run_command($testno, \$subtestno, \$expectrc, \$commandname, $TEST_STATE);
     my($cmdrc) = $?;
 
-    $0 = "[runtest $testno]";
-
     if ($debug) {
       print ">> rc=$rc cmdrc=$cmdrc\n";
       if (defined $run_extra) {
@@ -3915,8 +4125,12 @@ foreach $test (@test_list)
 	}
         if ($force_continue)
           {
-          print "\nstderr tail:\n";
+          print "\nstdout tail:\n";
+          print "==================>\n";
+          system("tail -20 test-stdout");
           print "===================\n";
+          print "stderr tail:\n";
+          print "==================>\n";
           system("tail -20 test-stderr");
           print "===================\n";
           print "... continue forced\n";
@@ -3996,6 +4210,7 @@ foreach $test (@test_list)
 
   if ($docheck)
     {
+    sleep 1 if $slow;
     my $rc = check_output($TEST_STATE->{munge});
     log_test($log_summary_filename, $testno, 'P') if ($rc == 0);
     if ($rc < 2)
@@ -4015,7 +4230,84 @@ foreach $test (@test_list)
 #         Exit from the test script              #
 ##################################################
 
-tests_exit(-1, "No runnable tests selected") if @test_list == 0;
+tests_exit(-1, "No runnable tests selected") if not @test_list;
 tests_exit(0);
 
+__END__
+
+=head1 NAME
+
+ runtest - run the exim testsuite
+
+=head1 SYNOPSIS
+
+ runtest [exim-path] [options] [test0 [test1]]
+
+=head1 DESCRIPTION
+
+B<runtest> runs the Exim testsuite.
+
+=head1 OPTIONS
+
+For legacy reasons the options are not case sensitive.
+
+=over
+
+=item B<--continue>
+
+Do not stop for user interaction or on errors. (default: off)
+
+=item B<--debug>
+
+This option enables the output of debug information when running the
+various test commands. (default: off)
+
+=item B<--diff>
+
+Use C<diff -u> for comparing the expected output with the produced
+output. (default: use a built-in routine)
+
+=item B<--flavor>|B<--flavour> I<flavour>
+
+Override the expected results for results for a specific (OS) flavour.
+(default: unused)
+
+=item B<--[no]ipv4>
+
+Skip IPv4 related setup and tests (default: use ipv4)
+
+=item B<--[no]ipv6>
+
+Skip IPv6 related setup and tests (default: use ipv6)
+
+=item B<--keep>
+
+Keep the various output files produced during a test run. (default: don't keep)
+
+=item B<--range> I<n0> I<n1>
+
+Run tests between (including) I<n0> and I<n1>. A "+" may be used to specify the "last
+test available".
+
+=item B<--slow>
+
+Insert some delays to compensate for a slow host system. (default: off)
+
+=item B<--test> I<n>
+
+Run the specified test. This option may used multiple times.
+
+=item B<--update>
+
+Automatically update the recorded (expected) data on mismatch. (default: off)
+
+=item B<--valgrind>
+
+Start Exim wrapped by I<valgrind>. (default: don't use valgrind)
+
+=back
+
+=cut
+
+
 # End of runtest script