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#! /usr/local/cpanel/3rdparty/perl/536/bin/perl

# Mail Queue Summary
# Christoph Lameter, 21 May 1997
#
# Copyright (c) The Exim Maintainers 2023 - 2025
# SPDX-License-Identifier: GPL-2.0-or-later
# See the file NOTICE for conditions of use and distribution.

# Modified by Philip Hazel, June 1997
# Bug fix: June 1998 by Philip Hazel
#   Message sizes not listed by -bp with K or M
#   suffixes were getting divided by 10.
# Bug fix: October 1998 by Philip Hazel
#   Sorting wasn't working right with Perl 5.005
#   Fix provided by John Horne
# Bug fix: November 1998 by Philip Hazel
#   Failing to recognize domain literals in recipient addresses
#   Fix provided by Malcolm Ray
# Bug fix: July 2002 by Philip Hazel
#   Not handling time periods of more than 100 days
#   Fix provided by Randy Banks
# Added summary line: September 2002 by Philip Hazel
#   Code provided by Joachim Wieland
# June 2003 by Philip Hazel
#   Initialize $size, $age, $id to avoid warnings when bad
#   data is provided
# Bug fix: July 2003 by Philip Hazel
#   Incorrectly skipping the first lines of messages whose
#   message ID ends in 'D'! Before Exim 4.14 this didn't
#   matter because they never did. Looks like an original
#   typo. Fix provided by Chris Liddiard.
# November 2006 by Jori Hamalainen
#   Added feature to separate frozen and bounced messages from queue
#   Added feature to list queue per source - destination pair
#   Changed regexps to compile once to very minor speed optimization
#   Short circuit for empty lines
#
# Usage: mailq | exiqsumm [-a] [-b] [-c] [-f] [-s]
#   Default sorting is by domain name
#   -a sorts by age of oldest message
#   -b enables bounce message separation
#   -c sorts by count of message
#   -f enables frozen message separation
#   -s enables source destination separation

# Slightly modified sub from eximstats

use warnings;
BEGIN { pop @INC if $INC[-1] eq '.' };
use File::Basename;

# Insert MSGID_RE
# Start msgid.frag
# Copyright (c) The Exim Maintainers 2025
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Regex patterns for exim message-id

# Simple matching

my $b62 = "[[:alnum:]]";

my $msgid_sec_re = "${b62}{6}";
my $msgid_pid_new_re = "${b62}{11}";
my $msgid_pid_old_re = "${b62}{6}";
my $msgid_frc_new_re = "${b62}{4}";
my $msgid_frc_old_re = "${b62}{2}";

my $msgid_new_re = "$msgid_sec_re-$msgid_pid_new_re-$msgid_frc_new_re";
my $msgid_old_re = "$msgid_sec_re-$msgid_pid_old_re-$msgid_frc_old_re";
my $msgid_re =     "(?:$msgid_new_re|$msgid_old_re)";

# Match with content submatches
# - requires variables seconds, pid, fractions

my $msgid_sec_cap_re = "(?<seconds>$msgid_sec_re)";
my $msgid_pid_cap_re = "(?<pid>(?:$msgid_pid_new_re|$msgid_pid_old_re))";
my $msgid_frc_cap_re = "(?<fractions>(?:$msgid_frc_new_re|$msgid_frc_old_re))";

my $msgid_cap_re = "(?:$msgid_sec_cap_re-$msgid_pid_cap_re-$msgid_frc_cap_re)";

# End msgid.frag

if (@ARGV && ($ARGV[0] eq '--version' || ($ARGV[0] eq '-v'))) {
    print basename($0) . ": $0\n",
        "build: 4.99.1\n",
        "perl(runtime): $]\n";
        exit 0;
}

sub print_volume_rounded {
my($x) = pop @_;
if ($x < 10000)
  {
  return sprintf("%6d", $x);
  }
elsif ($x < 10000000)
  {
  return sprintf("%4dKB", ($x + 512)/1024);
  }
else
  {
  return sprintf("%4dMB", ($x + 512*1024)/(1024*1024));
  }
}

sub s_conv {
  my($x) = @_;
  my($v,$s) = $x =~ /([\d\.]+)([A-Z]|)/o;
  if ($s eq "K") { return $v * 1024 };
  if ($s eq "M") { return $v * 1024 * 1024 };
  return $v;
}

sub older {
  my($x1,$x2) = @_;
  my($v1,$s1) = $x1 =~ /(\d+)(\w)/o;
  my($v2,$s2) = $x2 =~ /(\d+)(\w)/o;
  return $v1 <=> $v2 if ($s1 eq $s2);
  return (($s2 eq "m") ||
          ($s2 eq "h" && $s1 eq "d") ||
          ($s2 eq "d" && $s1 eq "w"))? 1 : -1;
}

#
# Main Program
#

$sort_by_count = 0;
$sort_by_age = 0;

$size = "0";
$age = "0d";
$id = "";

while (@ARGV > 0 && substr($ARGV[0], 0, 1) eq "-")
  {
  if ($ARGV[0] eq "-a") { $sort_by_age = 1; }
  if ($ARGV[0] eq "-c") { $sort_by_count = 1; }
  if ($ARGV[0] eq "-f") { $enable_frozen = 1; }
  if ($ARGV[0] eq "-b") { $enable_bounces = 1; }
  if ($ARGV[0] eq "-s") { $enable_source = 1; }
  shift @ARGV;
  }

while (<>)
{
# Skip empty and already delivered lines

if (/^$/o || /^\s*D\s\S+/o) { next; }

# If it's the first line of a message, pick out the data. Note: it may
# have text after the final > (e.g. frozen) so don't insist that it ends >.

if (/^	   (?<age>[\d\s]{2,3}\w)
      \s+  (?<size>\S+)
      \s   (?<id>$msgid_re)
      \s\< (?<src>\S*) \>/ox)
  {
  ($age,$size,$id,$src)=($+{age},$+{size},$+{id},$+{src});
  $src =~ s/([^\@]*)\@(.*?)$/$2/o;
  if (/\*\*\*\sfrozen\s\*\*\*/o) { $frozen=1; } else { $frozen=0; }
  if ($src eq "") { $bounce=1; $src="<>"; } else { $bounce=0; }
  }

# Else check for a recipient line: to handle source-routed addresses, just
# pick off the first domain.

elsif (/^\s+[^@]*\@([\w\.\-]+|\[(\d+\.){3}\d+\])/o)
  {
  if ($enable_source) {
      $domain = "\L$src > $1";
  } else {
      $domain = "\L$1";
  }
  $domain .= " (b)" if ($bounce && $enable_bounces);
  $domain .= " (f)" if ($frozen && $enable_frozen);
  $queue{$domain}++;
  $q_oldest{$domain} = $age
    if (!defined $q_oldest{$domain} || &older($age,$q_oldest{$domain}) > 0);
  $q_recent{$domain} = $age
    if (!defined $q_recent{$domain} || &older($q_recent{$domain},$age) > 0);
  $q_size{$domain} = 0 if (!defined $q_size{$domain});
  $q_size{$domain} += &s_conv($size);
  }
}

print "\nCount  Volume  Oldest  Newest  Domain";
print "\n-----  ------  ------  ------  ------\n\n";

my ($count, $volume, $max_age, $min_age) = (0, 0, "0m", undef);

foreach $id (sort
            {
            $sort_by_age? &older($q_oldest{$b}, $q_oldest{$a}) :
            $sort_by_count? ($queue{$b} <=> $queue{$a}) :
            $a cmp $b
            }
            keys %queue)
  {
  printf("%5d  %.6s  %6s  %6s  %.80s\n",
    $queue{$id}, &print_volume_rounded($q_size{$id}), $q_oldest{$id},
    $q_recent{$id}, $id);
    $max_age = $q_oldest{$id} if &older($q_oldest{$id}, $max_age) > 0;
    $min_age = $q_recent{$id}
      if (!defined $min_age || &older($min_age, $q_recent{$id}) > 0);
    $volume += $q_size{$id};
    $count += $queue{$id};
  }
  $min_age ||= "0000d";
printf("---------------------------------------------------------------\n");
printf("%5d  %.6s  %6s  %6s  %.80s\n",
  $count, &print_volume_rounded($volume), $max_age, $min_age, "TOTAL");
print "\n";

# vim:ft=perl:
# End

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