src/src/exiqgrep.src

   1 #!PERL_COMMAND
   2
   3 # Utility for searching and displaying queue information.
   4 # Written by Matt Hubbard 15 August 2002
   5
   6 # Except when they appear in comments, the following placeholders in this
   7 # source are replaced when it is turned into a runnable script:
   8 #
   9 # BIN_DIRECTORY
  10 # PERL_COMMAND
  11
  12 # PROCESSED_FLAG
  13
  14
  15 # Routine for extracting the UTC timestamp from message ID
  16 # lifted from eximstat utility
  17
  18 # Version 1.1
  19
  20 use strict;
  21 use Getopt::Std;
  22
  23 # Have this variable point to your exim binary.
  24 my $exim = 'BIN_DIRECTORY/exim';
  25 my $eargs = '-bpu';
  26 my %id;
  27 my %opt;
  28 my $count = 0;
  29 my $mcount = 0;
  30 my @tab62 =
  31   (0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0,     # 0-9
  32    0,10,11,12,13,14,15,16,17,18,19,20,  # A-K
  33   21,22,23,24,25,26,27,28,29,30,31,32,  # L-W
  34   33,34,35, 0, 0, 0, 0, 0,              # X-Z
  35    0,36,37,38,39,40,41,42,43,44,45,46,  # a-k
  36   47,48,49,50,51,52,53,54,55,56,57,58,  # l-w
  37   59,60,61);                            # x-z
  38
  39 my $base;
  40 if ($^O eq 'darwin') { # aka MacOS X
  41   $base = 36;
  42  } else {
  43   $base = 62;
  44 };
  45
  46 getopts('hf:r:y:o:s:zxlibRc',\%opt);
  47 if ($opt{h}) { &help; exit;}
  48
  49 # Read message queue output into hash
  50 &collect();
  51 # Identify which messages match selection criteria
  52 &selection();
  53 # Print matching data according to display option.
  54 &display();
  55 exit;
  56
  57
  58 sub help() {
  59         print <<'EOF'
  60 Exim message queue display utility.
  61
  62         -h              This help message.
  63
  64 Selection criteria:
  65         -f <regexp>     Match sender address sender (field is "< >" wrapped)
  66         -r <regexp>     Match recipient address
  67         -s <regexp>     Match against the size field from long output
  68         -y <seconds>    Message younger than
  69         -o <seconds>    Message older than
  70         -z              Frozen messages only (exclude non-frozen)
  71         -x              Non-frozen messages only (exclude frozen)
  72
  73 [ NB: for regexps, provided string sits in /<string>/ ]
  74
  75 Display options:
  76         -c              Display match count
  77         -l              Long Format [Default]
  78         -i              Message IDs only
  79         -b              Brief Format
  80         -R              Reverse order
  81 EOF
  82 }
  83
  84 sub collect() {
  85         open(QUEUE,"$exim $eargs |") or die("Error openning pipe: $!\n");
  86         while(<QUEUE>) {
  87                 chomp();
  88                 my $line = $_;
  89                 #Should be 1st line of record, if not error.
  90                 if ($line =~ /^\s*(\w+)\s+((?:\d+(?:\.\d+)?[A-Z]?)?)\s*(\w{6}-\w{6}-\w{2})\s+(<.*?>)/) {
  91                         my $msg = $3;
  92                         $id{$msg}{age} = $1;
  93                         $id{$msg}{size} = $2;
  94                         $id{$msg}{from} = $4;
  95                         $id{$msg}{birth} = &msg_utc($msg);
  96                         $id{$msg}{ages} = time - $id{$msg}{birth};
  97                         if ($line =~ /\*\*\* frozen \*\*\*$/) {
  98                                 $id{$msg}{frozen} = 1;
  99                         } else {
 100                                 $id{$msg}{frozen} = 0;
 101                         }
 102                         while(<QUEUE> =~ /\s+(.*?\@.*)$/) {
 103                                 push(@{$id{$msg}{rcpt}},$1);
 104                         }
 105                         # Increment message counter.
 106                         $count++;
 107                 } else {
 108                         print STDERR "Line mismatch: $line\n"; exit 1;
 109                 }
 110         }
 111         close(QUEUE) or die("Error closing pipe: $!\n");
 112 }
 113
 114 sub selection() {
 115         foreach my $msg (keys(%id)) {
 116                 if ($opt{f}) {
 117                         # Match sender address
 118                         next unless ($id{$msg}{from} =~ /$opt{f}/);
 119                 }
 120                 if ($opt{r}) {
 121                         # Match any recipient address
 122                         my $match = 0;
 123                         foreach my $rcpt (@{$id{$msg}{rcpt}}) {
 124                                 $match++ if ($rcpt =~ /$opt{r}/);
 125                         }
 126                         next unless ($match);
 127                 }
 128                 if ($opt{s}) {
 129                         # Match against the size string.
 130                         next unless ($id{$msg}{size} =~ /$opt{s}/);
 131                 }
 132                 if ($opt{y}) {
 133                         # Match younger than
 134                         next unless ($id{$msg}{ages} < $opt{y});
 135                 }
 136                 if ($opt{o}) {
 137                         # Match older than
 138                         next unless ($id{$msg}{ages} > $opt{o});
 139                 }
 140                 if ($opt{z}) {
 141                         # Exclude non frozen
 142                         next unless ($id{$msg}{frozen});
 143                 }
 144                 if ($opt{x}) {
 145                         # Exclude frozen
 146                         next if ($id{$msg}{frozen});
 147                 }
 148                 # Here's what we do to select the record.
 149                 # Should only get this far if the message passed all of
 150                 # the active tests.
 151                 $id{$msg}{d} = 1;
 152                 # Increment match counter.
 153                 $mcount++;
 154         }
 155 }
 156
 157 sub display() {
 158         if ($opt{c}) {
 159                 printf("%d matches out of %d messages\n",$mcount,$count);
 160                 exit;
 161         }
 162         foreach my $msg (sort { $opt{R} ? $id{$b}{birth} <=> $id{$a}{birth} : $id{$a}{birth} <=> $id{$b}{birth} } keys(%id) ) {
 163                 if (exists($id{$msg}{d})) {
 164                         if ($opt{i}) {
 165                                 # Just the msg ID
 166                                 print $msg, "\n";
 167                         } elsif ($opt{b}) {
 168                                 # Brief format
 169                                 printf("%s From: %s To: %s\n",$msg,$id{$msg}{from},join(';',@{$id{$msg}{rcpt}}))
 170                         } else {
 171                                 # Otherwise Long format attempted duplication of original format.
 172                                 printf("%3s %5s %s %s%s\n",$id{$msg}{age},$id{$msg}{size},$msg,$id{$msg}{from},$id{$msg}{frozen} ? " *** frozen ***" : "");
 173                                 foreach my $rcpt (@{$id{$msg}{rcpt}}) {
 174                                         printf("          %s\n",$rcpt);
 175                                 }
 176                                 print "\n";
 177                         }
 178                 }
 179         }
 180 }
 181
 182 sub report() {
 183         foreach my $msg (keys(%id)) {
 184                 print "$id{$msg}{birth} $msg\tAge: $id{$msg}{age}\tSize: $id{$msg}{size}\tFrom: $id{$msg}{from}\tTo: " . join(" ",@{$id{$msg}{rcpt}}). "\n";
 185         }
 186 }
 187
 188 sub msg_utc() {
 189         my $id = substr((pop @_), 0, 6);
 190         my $s = 0;
 191         my @c = split(//, $id);
 192         while($#c >= 0) { $s = $s * $base + $tab62[ord(shift @c) - ord('0')] }
 193         return $s;
 194 }