source: trunk/cgi-bin/IPDB.pm@ 256

Last change on this file since 256 was 256, checked in by Kris Deugau, 20 years ago

/trunk

Merge bugfixes from /branches/stable r248:252.
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File size: 20.3 KB
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1# ipdb/cgi-bin/IPDB.pm
2# Contains functions for IPDB - database access, subnet mangling, block allocation, etc
3###
4# SVN revision info
5# $Date: 2005-05-31 18:24:33 +0000 (Tue, 31 May 2005) $
6# SVN revision $Rev: 256 $
7# Last update by $Author: kdeugau $
8###
9# Copyright (C) 2004,2005 - Kris Deugau
10
11package IPDB;
12
13use strict;
14use warnings;
15use Exporter;
16use DBI;
17use Net::SMTP;
18use POSIX;
19use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
20
21$VERSION = 2.0;
22@ISA = qw(Exporter);
23@EXPORT_OK = qw(
24 %disp_alloctypes %list_alloctypes %def_custids @citylist @poplist @masterblocks
25 %allocated %free %routed %bigfree %IPDBacl
26 &initIPDBGlobals &connectDB &finish &checkDBSanity &allocateBlock &deleteBlock
27 &mailNotify
28 );
29
30@EXPORT = (); # Export nothing by default.
31%EXPORT_TAGS = ( ALL => [qw(
32 %disp_alloctypes %list_alloctypes %def_custids @citylist @poplist
33 @masterblocks %allocated %free %routed %bigfree %IPDBacl
34 &initIPDBGlobals &connectDB &finish &checkDBSanity &allocateBlock
35 &deleteBlock &mailNotify
36 )]
37 );
38
39##
40## Global variables
41##
42our %disp_alloctypes;
43our %list_alloctypes;
44our %def_custids;
45our @citylist;
46our @poplist;
47our @masterblocks;
48our %allocated;
49our %free;
50our %routed;
51our %bigfree;
52our %IPDBacl;
53
54# Let's initialize the globals.
55## IPDB::initIPDBGlobals()
56# Initialize all globals. Takes a database handle, returns a success or error code
57sub initIPDBGlobals {
58 my $dbh = $_[0];
59 my $sth;
60
61 # Initialize alloctypes hashes
62 $sth = $dbh->prepare("select type,listname,dispname,listorder,def_custid from alloctypes order by listorder");
63 $sth->execute;
64 while (my @data = $sth->fetchrow_array) {
65 $disp_alloctypes{$data[0]} = $data[2];
66 $def_custids{$data[0]} = $data[4];
67 if ($data[3] < 900) {
68 $list_alloctypes{$data[0]} = $data[1];
69 }
70 }
71
72 # City and POP listings
73 $sth = $dbh->prepare("select city,routing from cities order by city");
74 $sth->execute;
75 return (undef,$sth->errstr) if $sth->err;
76 while (my @data = $sth->fetchrow_array) {
77 push @citylist, $data[0];
78 if ($data[1] eq 'y') {
79 push @poplist, $data[0];
80 }
81 }
82
83 # Master block list
84 $sth = $dbh->prepare("select cidr from masterblocks order by cidr");
85 $sth->execute;
86 return (undef,$sth->errstr) if $sth->err;
87 for (my $i=0; my @data = $sth->fetchrow_array(); $i++) {
88 $masterblocks[$i] = new NetAddr::IP $data[0];
89 $allocated{"$masterblocks[$i]"} = 0;
90 $free{"$masterblocks[$i]"} = 0;
91 $bigfree{"$masterblocks[$i]"} = 128; # Larger number means smaller block.
92 # Set to 128 to prepare for IPv6
93 $routed{"$masterblocks[$i]"} = 0;
94 }
95
96 # Load ACL data. Specific username checks are done at a different level.
97 $sth = $dbh->prepare("select username,acl from users");
98 $sth->execute;
99 return (undef,$sth->errstr) if $sth->err;
100 while (my @data = $sth->fetchrow_array) {
101 $IPDBacl{$data[0]} = $data[1];
102 }
103
104 return (1,"OK");
105} # end initIPDBGlobals
106
107
108## IPDB::connectDB()
109# Creates connection to IPDB.
110# Requires the database name, username, and password.
111# Returns a handle to the db.
112# Set up for a PostgreSQL db; could be any transactional DBMS with the
113# right changes.
114# This definition should be sub connectDB($$$) to be technically correct,
115# but this breaks. GRR.
116sub connectDB {
117 my ($dbname,$user,$pass) = @_;
118 my $dbh;
119 my $DSN = "DBI:Pg:dbname=$dbname";
120# my $user = 'ipdb';
121# my $pw = 'ipdbpwd';
122
123# Note that we want to autocommit by default, and we will turn it off locally as necessary.
124# We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
125 $dbh = DBI->connect($DSN, $user, $pass, {
126 AutoCommit => 1,
127 PrintError => 0
128 })
129 or return (undef, $DBI::errstr) if(!$dbh);
130
131# Return here if we can't select. Note that this indicates a
132# problem executing the select.
133 my $sth = $dbh->prepare("select type from alloctypes");
134 $sth->execute();
135 return (undef,$DBI::errstr) if ($sth->err);
136
137# See if the select returned anything (or null data). This should
138# succeed if the select executed, but...
139 $sth->fetchrow();
140 return (undef,$DBI::errstr) if ($sth->err);
141
142# If we get here, we should be OK.
143 return ($dbh,"DB connection OK");
144} # end connectDB
145
146
147## IPDB::finish()
148# Cleans up after database handles and so on.
149# Requires a database handle
150sub finish {
151 my $dbh = $_[0];
152 $dbh->disconnect;
153} # end finish
154
155
156## IPDB::checkDBSanity()
157# Quick check to see if the db is responding. A full integrity
158# check will have to be a separate tool to walk the IP allocation trees.
159sub checkDBSanity {
160 my ($dbh) = $_[0];
161
162 if (!$dbh) {
163 print "No database handle, or connection has been closed.";
164 return -1;
165 } else {
166 # it connects, try a stmt.
167 my $sth = $dbh->prepare("select type from alloctypes");
168 my $err = $sth->execute();
169
170 if ($sth->fetchrow()) {
171 # all is well.
172 return 1;
173 } else {
174 print "Connected to the database, but could not execute test statement. ".$sth->errstr();
175 return -1;
176 }
177 }
178 # Clean up after ourselves.
179# $dbh->disconnect;
180} # end checkDBSanity
181
182
183## IPDB::allocateBlock()
184# Does all of the magic of actually allocating a netblock
185# Requires database handle, block to allocate, custid, type, city,
186# description, notes, circuit ID, block to allocate from,
187# Returns a success code and optional error message.
188sub allocateBlock {
189 my ($dbh,undef,undef,$custid,$type,$city,$desc,$notes,$circid) = @_;
190
191 my $cidr = new NetAddr::IP $_[1];
192 my $alloc_from = new NetAddr::IP $_[2];
193 my $sth;
194
195 # To contain the error message, if any.
196 my $msg = "Unknown error allocating $cidr as '$type'";
197
198 # Enable transactions and error handling
199 local $dbh->{AutoCommit} = 0; # These need to be local so we don't
200 local $dbh->{RaiseError} = 1; # step on our toes by accident.
201
202 if ($type =~ /^.i$/) {
203 $msg = "Unable to assign static IP $cidr to $custid";
204 eval {
205 # We have to do this in two parts because otherwise we lose
206 # the ability to return the IP assigned. Should that change,
207 # the commented SQL statement below may become usable.
208# update poolips set custid='$custid',city='$city',available='n',
209# description='$desc',notes='$notes',circuitid='$circid'
210# where ip=(select ip from poolips where pool='$alloc_from'
211# and available='y' order by ip limit 1);
212
213 $sth = $dbh->prepare("select ip from poolips where pool='$alloc_from'".
214 " and available='y' order by ip");
215 $sth->execute;
216
217 my @data = $sth->fetchrow_array;
218 $cidr = $data[0]; # $cidr is already declared when we get here!
219
220 $sth = $dbh->prepare("update poolips set custid='$custid',".
221 "city='$city',available='n',description='$desc',notes='$notes',".
222 "circuitid='$circid'".
223 " where ip='$cidr'");
224 $sth->execute;
225 $dbh->commit;
226 };
227 if ($@) {
228 $msg .= ": '".$sth->errstr."'";
229 eval { $dbh->rollback; };
230 return ('FAIL',$msg);
231 } else {
232 return ('OK',"$cidr");
233 }
234
235 } else { # end IP-from-pool allocation
236
237 if ($cidr == $alloc_from) {
238 # Easiest case- insert in one table, delete in the other, and go home. More or less.
239 # insert into allocations values (cidr,custid,type,city,desc) and
240 # delete from freeblocks where cidr='cidr'
241 # For data safety on non-transaction DBs, we delete first.
242
243 eval {
244 $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
245 if ($type eq 'rm') {
246 $sth = $dbh->prepare("update freeblocks set routed='y',city='$city'".
247 " where cidr='$cidr'");
248 $sth->execute;
249 $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
250 " values ('$cidr',".$cidr->masklen.",'$city')");
251 $sth->execute;
252 } else {
253 # common stuff for end-use, dialup, dynDSL, pools, etc, etc.
254
255 # special case - block is a container/"reserve" block
256 if ($type =~ /^(.)c$/) {
257 $sth = $dbh->prepare("update freeblocks set routed='$1' where cidr='$cidr'");
258 $sth->execute;
259 } else {
260 # "normal" case
261 $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
262 $sth->execute;
263 }
264 $sth = $dbh->prepare("insert into allocations".
265 " (cidr,custid,type,city,description,notes,maskbits,circuitid)".
266 " values ('$cidr','$custid','$type','$city','$desc','$notes',".
267 $cidr->masklen.",'$circid')");
268 $sth->execute;
269
270 # And initialize the pool, if necessary
271 # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
272 # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
273 if ($type =~ /^.p$/) {
274 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
275 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
276 die $rmsg if $code eq 'FAIL';
277 } elsif ($type =~ /^.d$/) {
278 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
279 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
280 die $rmsg if $code eq 'FAIL';
281 }
282
283 } # routing vs non-routing netblock
284
285 $dbh->commit;
286 }; # end of eval
287 if ($@) {
288 $msg .= ": ".$@;
289 eval { $dbh->rollback; };
290 return ('FAIL',$msg);
291 } else {
292 return ('OK',"OK");
293 }
294
295 } else { # cidr != alloc_from
296
297 # Hard case. Allocation is smaller than free block.
298 my $wantmaskbits = $cidr->masklen;
299 my $maskbits = $alloc_from->masklen;
300
301 my @newfreeblocks; # Holds free blocks generated from splitting the source freeblock.
302
303 # This determines which blocks will be left "free" after allocation. We take the
304 # block we're allocating from, and split it in half. We see which half the wanted
305 # block is in, and repeat until the wanted block is equal to one of the halves.
306 my $i=0;
307 my $tmp_from = $alloc_from; # So we don't munge $alloc_from
308 while ($maskbits++ < $wantmaskbits) {
309 my @subblocks = $tmp_from->split($maskbits);
310 $newfreeblocks[$i++] = (($cidr->within($subblocks[0])) ? $subblocks[1] : $subblocks[0]);
311 $tmp_from = ( ($cidr->within($subblocks[0])) ? $subblocks[0] : $subblocks[1] );
312 } # while
313
314 # Begin SQL transaction block
315 eval {
316 $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
317
318 # Delete old freeblocks entry
319 $sth = $dbh->prepare("delete from freeblocks where cidr='$alloc_from'");
320 $sth->execute();
321
322 # now we have to do some magic for routing blocks
323 if ($type eq 'rm') {
324
325 # Insert the new freeblocks entries
326 # Note that non-routed blocks are assigned to <NULL>
327 # and use the default value for the routed column ('n')
328 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
329 " values (?, ?, '<NULL>')");
330 foreach my $block (@newfreeblocks) {
331 $sth->execute("$block", $block->masklen);
332 }
333
334 # Insert the entry in the routed table
335 $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
336 " values ('$cidr',".$cidr->masklen.",'$city')");
337 $sth->execute;
338 # Insert the (almost) same entry in the freeblocks table
339 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
340 " values ('$cidr',".$cidr->masklen.",'$city','y')");
341 $sth->execute;
342
343 } else { # done with alloctype == rm
344
345 # Insert the new freeblocks entries
346 # Along with some more HairyPerl(TM) in case we're inserting a
347 # subblock (.r) allocation
348 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
349 " values (?, ?, (select city from routed where cidr >>= '$cidr'),'".
350 (($type =~ /^(.)r$/) ? "$1" : 'y')."')");
351 foreach my $block (@newfreeblocks) {
352 $sth->execute("$block", $block->masklen);
353 }
354 # Special-case for reserve/"container" blocks - generate
355 # the "extra" freeblocks entry for the container
356 if ($type =~ /^(.)c$/) {
357 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
358 " values ('$cidr',".$cidr->masklen.",'$city','$1')");
359 $sth->execute;
360 }
361 # Insert the allocations entry
362 $sth = $dbh->prepare("insert into allocations (cidr,custid,type,city,".
363 "description,notes,maskbits,circuitid)".
364 " values ('$cidr','$custid','$type','$city','$desc','$notes',".
365 $cidr->masklen.",'$circid')");
366 $sth->execute;
367
368 # And initialize the pool, if necessary
369 # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
370 # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
371 if ($type =~ /^.p$/) {
372 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
373 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
374 die $rmsg if $code eq 'FAIL';
375 } elsif ($type =~ /^.d$/) {
376 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
377 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
378 die $rmsg if $code eq 'FAIL';
379 }
380
381 } # done with netblock alloctype != rm
382
383 $dbh->commit;
384 }; # end eval
385 if ($@) {
386 $msg .= ": ".$@;
387 eval { $dbh->rollback; };
388 return ('FAIL',$msg);
389 } else {
390 return ('OK',"OK");
391 }
392
393 } # end fullcidr != alloc_from
394
395 } # end static-IP vs netblock allocation
396
397} # end allocateBlock()
398
399
400## IPDB::initPool()
401# Initializes a pool
402# Requires a database handle, the pool CIDR, type, city, and a parameter
403# indicating whether the pool should allow allocation of literally every
404# IP, or if it should reserve network/gateway/broadcast IPs
405# Note that this is NOT done in a transaction, that's why it's a private
406# function and should ONLY EVER get called from allocateBlock()
407sub initPool {
408 my ($dbh,undef,$type,$city,$class) = @_;
409 my $pool = new NetAddr::IP $_[1];
410
411##fixme Need to just replace 2nd char of type with i rather than capturing 1st char of type
412 $type =~ s/[pd]$/i/;
413 my $sth;
414 my $msg;
415
416 # Trap errors so we can pass them back to the caller. Even if the
417 # caller is only ever supposed to be local, and therefore already
418 # trapping errors. >:(
419 local $dbh->{AutoCommit} = 0; # These need to be local so we don't
420 local $dbh->{RaiseError} = 1; # step on our toes by accident.
421
422 eval {
423 # have to insert all pool IPs into poolips table as "unallocated".
424 $sth = $dbh->prepare("insert into poolips (pool,ip,custid,city,type)".
425 " values ('$pool', ?, '6750400', '$city', '$type')");
426 my @poolip_list = $pool->hostenum;
427 if ($class eq 'all') { # (DSL-ish block - *all* IPs available
428 if ($pool->addr !~ /\.0$/) { # .0 causes weirdness.
429 $sth->execute($pool->addr);
430 }
431 for (my $i=0; $i<=$#poolip_list; $i++) {
432 $sth->execute($poolip_list[$i]->addr);
433 }
434 $pool--;
435 if ($pool->addr !~ /\.255$/) { # .255 can cause weirdness.
436 $sth->execute($pool->addr);
437 }
438 } else { # (real netblock)
439 for (my $i=1; $i<=$#poolip_list; $i++) {
440 $sth->execute($poolip_list[$i]->addr);
441 }
442 }
443 };
444 if ($@) {
445 $msg = "'".$sth->errstr."'";
446 eval { $dbh->rollback; };
447 return ('FAIL',$msg);
448 } else {
449 return ('OK',"OK");
450 }
451} # end initPool()
452
453
454## IPDB::deleteBlock()
455# Removes an allocation from the database, including deleting IPs
456# from poolips and recombining entries in freeblocks if possible
457# Also handles "deleting" a static IP allocation, and removal of a master
458# Requires a database handle, the block to delete, and the type of block
459sub deleteBlock {
460 my ($dbh,undef,$type) = @_;
461 my $cidr = new NetAddr::IP $_[1];
462
463 my $sth;
464
465 # To contain the error message, if any.
466 my $msg = "Unknown error deallocating $type $cidr";
467 # Enable transactions and exception-on-errors... but only for this sub
468 local $dbh->{AutoCommit} = 0;
469 local $dbh->{RaiseError} = 1;
470
471 # First case. The "block" is a static IP
472 # Note that we still need some additional code in the odd case
473 # of a netblock-aligned contiguous group of static IPs
474 if ($type =~ /^.i$/) {
475
476 eval {
477 $msg = "Unable to deallocate $disp_alloctypes{$type} $cidr";
478 $sth = $dbh->prepare("update poolips set custid='6750400',available='y',".
479 "city=(select city from allocations where cidr >>= '$cidr'),".
480 "description='',notes='',circuitid='' where ip='$cidr'");
481 $sth->execute;
482 $dbh->commit;
483 };
484 if ($@) {
485 eval { $dbh->rollback; };
486 return ('FAIL',$msg);
487 } else {
488 return ('OK',"OK");
489 }
490
491 } elsif ($type eq 'mm') { # end alloctype =~ /.i/
492
493 $msg = "Unable to delete master block $cidr";
494 eval {
495 $sth = $dbh->prepare("delete from masterblocks where cidr='$cidr'");
496 $sth->execute;
497 $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
498 $sth->execute;
499 $dbh->commit;
500 };
501 if ($@) {
502 eval { $dbh->rollback; };
503 return ('FAIL', $msg);
504 } else {
505 return ('OK',"OK");
506 }
507
508 } else { # end alloctype master block case
509
510 ## This is a big block; but it HAS to be done in a chunk. Any removal
511 ## of a netblock allocation may result in a larger chunk of free
512 ## contiguous IP space - which may in turn be combined into a single
513 ## netblock rather than a number of smaller netblocks.
514
515 eval {
516
517 if ($type eq 'rm') {
518 $msg = "Unable to remove routing allocation $cidr";
519 $sth = $dbh->prepare("delete from routed where cidr='$cidr'");
520 $sth->execute;
521 # Make sure block getting deleted is properly accounted for.
522 $sth = $dbh->prepare("update freeblocks set routed='n',city='<NULL>'".
523 " where cidr='$cidr'");
524 $sth->execute;
525 # Set up query to start compacting free blocks.
526 $sth = $dbh->prepare("select cidr from freeblocks where ".
527 "maskbits<=".$cidr->masklen." and routed='n' order by maskbits desc");
528
529 } else { # end alloctype routing case
530
531 # Delete all allocations within the block being deleted. This is
532 # deliberate and correct, and removes the need to special-case
533 # removal of "container" blocks.
534 $sth = $dbh->prepare("delete from allocations where cidr <<='$cidr'");
535 $sth->execute;
536
537 # Special case - delete pool IPs
538 if ($type =~ /^.[pd]$/) {
539 # We have to delete the IPs from the pool listing.
540 $sth = $dbh->prepare("delete from poolips where pool='$cidr'");
541 $sth->execute;
542 }
543
544 # Set up query for compacting free blocks.
545 $sth = $dbh->prepare("select cidr from freeblocks where cidr <<= ".
546 "(select cidr from routed where cidr >>= '$cidr') ".
547 " and maskbits<=".$cidr->masklen.
548 " and routed='".(($type =~ /^(.)r$/) ? '$1' : 'y').
549 "' order by maskbits desc");
550
551 } # end alloctype general case
552
553 # Now we look for larger-or-equal-sized free blocks in the same master (routed)
554 # (super)block. If there aren't any, we can't combine blocks anyway. If there
555 # are, we check to see if we can combine blocks.
556 # Execute the statement prepared in the if-else above.
557
558 $sth->execute;
559
560# NetAddr::IP->compact() attempts to produce the smallest inclusive block
561# from the caller and the passed terms.
562# EG: if you call $cidr->compact($ip1,$ip2,$ip3) when $cidr, $ip1, $ip2,
563# and $ip3 are consecutive /27's starting on .0 (.0-.31, .32-.63,
564# .64-.95, and .96-.128), you will get an array containing a single
565# /25 as element 0 (.0-.127). Order is not important; you could have
566# $cidr=.32/27, $ip1=.96/27, $ip2=.0/27, and $ip3=.64/27.
567
568 my (@together, @combinelist);
569 my $i=0;
570 while (my @data = $sth->fetchrow_array) {
571 my $testIP = new NetAddr::IP $data[0];
572 @together = $testIP->compact($cidr);
573 my $num = @together;
574 if ($num == 1) {
575 $cidr = $together[0];
576 $combinelist[$i++] = $testIP;
577 }
578 }
579
580 # Clear old freeblocks entries - if any. They should all be within
581 # the $cidr determined above.
582 $sth = $dbh->prepare("delete from freeblocks where cidr <<='$cidr'");
583 $sth->execute;
584
585 # insert "new" freeblocks entry
586 if ($type eq 'rm') {
587 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
588 " values ('$cidr',".$cidr->masklen.",'<NULL>')");
589 } else {
590 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
591 " values ('$cidr',".$cidr->masklen.
592 ",(select city from routed where cidr >>= '$cidr'),'".
593 (($type =~ /^(.)r$/) ? "$1" : 'y')."')");
594 }
595 $sth->execute;
596
597 # If we got here, we've succeeded. Whew!
598 $dbh->commit;
599 }; # end eval
600 if ($@) {
601 eval { $dbh->rollback; };
602 return ('FAIL', $msg);
603 } else {
604 return ('OK',"OK");
605 }
606
607 } # end alloctype != netblock
608
609} # end deleteBlock()
610
611
612## IPDB::mailNotify()
613# Sends notification mail to recipients regarding an IPDB operation
614sub mailNotify ($$$) {
615 my ($recip,$subj,$message) = @_;
616 my $mailer = Net::SMTP->new("smtp.example.com", Hello => "ipdb.example.com");
617
618 $mailer->mail('ipdb@example.com');
619 $mailer->to($recip);
620 $mailer->data("From: \"IP Database\" <ipdb\@example.com>\n",
621 "To: $recip\n",
622 "Date: ".strftime("%a, %d %b %Y %H:%M:%S %z",localtime)."\n",
623 "Subject: {IPDB} $subj\n",
624 "X-Mailer: IPDB Notify v".sprintf("%.1d",$IPDB::VERSION)."\n",
625 "Organization: Example Corp\n",
626 "\n$message\n");
627 $mailer->quit;
628}
629
630# Indicates module loaded OK. Required by Perl.
6311;
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