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#!/usr/bin/perl
# Utility for searching and displaying queue information.
# Written by Matt Hubbard 15 August 2002
#
# Copyright (c) The Exim Maintainers 2021 - 2023
# SPDX-License-Identifier: GPL-2.0-or-later
# See the file NOTICE for conditions of use and distribution.
# Except when they appear in comments, the following placeholders in this
# source are replaced when it is turned into a runnable script:
#
# BIN_DIRECTORY
# PERL_COMMAND
# This file has been so processed.
# Routine for extracting the UTC timestamp from message ID
# lifted from eximstat utility
# Version 1.3
use strict;
BEGIN { pop @INC if $INC[-1] eq '.' };
use Getopt::Std;
use File::Basename;
# Have this variable point to your exim binary.
my $exim = '/usr/sbin/exim';
my $eargs = '-bpu';
my %id;
my %opt;
my $count = 0;
my $mcount = 0;
my @tab62 =
(0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, # 0-9
0,10,11,12,13,14,15,16,17,18,19,20, # A-K
21,22,23,24,25,26,27,28,29,30,31,32, # L-W
33,34,35, 0, 0, 0, 0, 0, # X-Z
0,36,37,38,39,40,41,42,43,44,45,46, # a-k
47,48,49,50,51,52,53,54,55,56,57,58, # l-w
59,60,61); # x-z
my $base;
if ($^O eq 'darwin') { # aka MacOS X
$base = 36;
} else {
$base = 62;
};
if ($ARGV[0] eq '--version' || $ARGV[0] eq '-v') {
print basename($0) . ": $0\n",
"build: 4.97.1\n",
"perl(runtime): $]\n";
exit 0;
}
if (!getopts('hf:r:y:o:s:C:zxlibRcaG:E:',\%opt)) { &help; exit; }
if ($opt{h}) { &help; exit; }
if ($ARGV[0] || !($opt{f} || $opt{r} || $opt{s} || $opt{y} || $opt{o} || $opt{z} || $opt{x} || $opt{c}))
{ &help; exit(1); }
if ($opt{a}) { $eargs = '-bp'; }
if ($opt{C} && -e $opt{C} && -f $opt{C} && -R $opt{C}) { $eargs .= ' -C '.$opt{C}; }
if ($opt{G}) { $eargs .= ' -qG'.$opt{G}; }
if ($opt{E}) { $exim = $opt{E}; }
# Read message queue output into hash
&collect();
# Identify which messages match selection criteria
&selection();
# Print matching data according to display option.
&display();
exit;
sub help() {
print <<'EOF'
Exim message queue display utility.
-h This help message.
-C Specify which exim.conf to use.
-E Specify exim binary to use.
Selection criteria:
-f <regexp> Match sender address sender (field is "< >" wrapped)
-r <regexp> Match recipient address
-s <regexp> Match against the size field from long output
-y <seconds> Message younger than
-o <seconds> Message older than
-z Frozen messages only (exclude non-frozen)
-x Non-frozen messages only (exclude frozen)
-G <queuename> Match in given queue only
[ NB: for regexps, provided string sits in /<string>/ ]
Display options:
-c Display match count
-l Long Format [Default]
-i Message IDs only
-b Brief Format
-R Reverse order
-a All recipients (including delivered)
EOF
}
sub collect() {
open(QUEUE,"$exim $eargs |") or die("Error opening pipe: $!\n");
while(<QUEUE>) {
chomp();
my $line = $_;
#Should be 1st line of record, if not error.
if ($line =~ /^\s*(?<age>\w+)
\s+(?<size>(?:\d+(?:\.\d+)?[A-Z]?)?)
\s*(?<msgid>(?:\w{6}-\w{6}-\w{2}|\w{6}-\w{11}-\w{4})) # old, 2023 msgid formats
\s+(?<from><.*?>)/x) {
my $msg = $+{msgid};
$id{$msg}{age} = $+{age};
$id{$msg}{size} = $+{size};
$id{$msg}{from} = $+{from};
$id{$msg}{birth} = &msg_utc($msg);
$id{$msg}{ages} = time - $id{$msg}{birth};
$id{$msg}{frozen} = ($line =~ /\*\*\* frozen \*\*\*$/) ? 1 : 0;
while(<QUEUE> =~ /\s+(.*?\@.*)$/) {
push(@{$id{$msg}{rcpt}},$1);
}
# Increment message counter.
$count++;
} else {
print STDERR "Line mismatch: $line\n"; exit 1;
}
}
close(QUEUE) or die("Error closing pipe: $!\n");
}
sub selection() {
foreach my $msg (keys(%id)) {
if ($opt{f}) {
# Match sender address
next unless ($id{$msg}{from} =~ /$opt{f}/i);
}
if ($opt{r}) {
# Match any recipient address
my $match = 0;
foreach my $rcpt (@{$id{$msg}{rcpt}}) {
$match++ if ($rcpt =~ /$opt{r}/i);
}
next unless ($match);
}
if ($opt{s}) {
# Match against the size string.
next unless ($id{$msg}{size} =~ /$opt{s}/);
}
if ($opt{y}) {
# Match younger than
next unless ($id{$msg}{ages} < $opt{y});
}
if ($opt{o}) {
# Match older than
next unless ($id{$msg}{ages} > $opt{o});
}
if ($opt{z}) {
# Exclude non frozen
next unless ($id{$msg}{frozen});
}
if ($opt{x}) {
# Exclude frozen
next if ($id{$msg}{frozen});
}
# Here's what we do to select the record.
# Should only get this far if the message passed all of
# the active tests.
$id{$msg}{d} = 1;
# Increment match counter.
$mcount++;
}
}
sub display() {
if ($opt{c}) {
printf("%d matches out of %d messages\n",$mcount,$count);
exit;
}
foreach my $msg (sort { $opt{R} ? $id{$b}{birth} <=> $id{$a}{birth} : $id{$a}{birth} <=> $id{$b}{birth} } keys(%id) ) {
if (exists($id{$msg}{d})) {
if ($opt{i}) {
# Just the msg ID
print $msg, "\n";
} elsif ($opt{b}) {
# Brief format
printf("%s From: %s To: %s\n",$msg,$id{$msg}{from},join(';',@{$id{$msg}{rcpt}}))
} else {
# Otherwise Long format attempted duplication of original format.
printf("%3s %5s %s %s%s\n",$id{$msg}{age},$id{$msg}{size},$msg,$id{$msg}{from},$id{$msg}{frozen} ? " *** frozen ***" : "");
foreach my $rcpt (@{$id{$msg}{rcpt}}) {
printf(" %s\n",$rcpt);
}
print "\n";
}
}
}
}
sub report() {
foreach my $msg (keys(%id)) {
print "$id{$msg}{birth} $msg\tAge: $id{$msg}{age}\tSize: $id{$msg}{size}\tFrom: $id{$msg}{from}\tTo: " . join(" ",@{$id{$msg}{rcpt}}). "\n";
}
}
sub msg_utc() {
my $id = substr((pop @_), 0, 6);
my $s = 0;
my @c = split(//, $id);
while($#c >= 0) { $s = $s * $base + $tab62[ord(shift @c) - ord('0')] }
return $s;
}