source: branches/dns/cgi-bin/IPDB.pm@ 401

Last change on this file since 401 was 276, checked in by Kris Deugau, 19 years ago

/branches/dns

rDNS seeding added to one case of "real" netblock allocation
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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: 2005-08-10 21:48:18 +0000 (Wed, 10 Aug 2005) $
6# SVN revision $Rev: 276 $
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# rDNS for the block/IP
188# Returns a success code and optional error message.
189sub allocateBlock {
190 my ($dbh,undef,undef,$custid,$type,$city,$desc,$notes,$circid,$rdns) = @_;
191
192 my $cidr = new NetAddr::IP $_[1];
193 my $alloc_from = new NetAddr::IP $_[2];
194 my $sth;
195
196 # To contain the error message, if any.
197 my $msg = "Unknown error allocating $cidr as '$type'";
198
199 # Enable transactions and error handling
200 local $dbh->{AutoCommit} = 0; # These need to be local so we don't
201 local $dbh->{RaiseError} = 1; # step on our toes by accident.
202
203 if ($type =~ /^.i$/) {
204 $msg = "Unable to assign static IP $cidr to $custid";
205 eval {
206 # We have to do this in two parts because otherwise we lose
207 # the ability to return the IP assigned. Should that change,
208 # the commented SQL statement below may become usable.
209# update poolips set custid='$custid',city='$city',available='n',
210# description='$desc',notes='$notes',circuitid='$circid'
211# where ip=(select ip from poolips where pool='$alloc_from'
212# and available='y' order by ip limit 1);
213
214 $sth = $dbh->prepare("select ip from poolips where pool='$alloc_from'".
215 " and available='y' order by ip");
216 $sth->execute;
217
218 my @data = $sth->fetchrow_array;
219 $cidr = $data[0]; # $cidr is already declared when we get here!
220
221 $sth = $dbh->prepare("update poolips set custid='$custid',".
222 "city='$city',available='n',description='$desc',notes='$notes',".
223 "circuitid='$circid'".
224 " where ip='$cidr'");
225 $sth->execute;
226
227 # rDNS change is an update as the pool should have set "unassigned..."
228 # rDNS on all IPs already.
229 $msg = "Unable to update rDNS assigning $cidr to $custid";
230 $sth = $dbh->prepare("update dns set hostname='$rdns',auto='n' where ip='$cidr'");
231 $sth->execute;
232
233 $dbh->commit;
234 };
235 if ($@) {
236 $msg .= ": '".$sth->errstr."'";
237 eval { $dbh->rollback; };
238 return ('FAIL',$msg);
239 } else {
240 return ('OK',"$cidr");
241 }
242
243 } else { # end IP-from-pool allocation
244
245 if ($cidr == $alloc_from) {
246 # Easiest case- insert in one table, delete in the other, and go home. More or less.
247 # insert into allocations values (cidr,custid,type,city,desc) and
248 # delete from freeblocks where cidr='cidr'
249 # For data safety on non-transaction DBs, we delete first.
250
251 eval {
252 $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
253 if ($type eq 'rm') {
254 $sth = $dbh->prepare("update freeblocks set routed='y',city='$city'".
255 " where cidr='$cidr'");
256 $sth->execute;
257 $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
258 " values ('$cidr',".$cidr->masklen.",'$city')");
259 $sth->execute;
260 } else {
261 # common stuff for end-use, dialup, dynDSL, pools, etc, etc.
262
263 # special case - block is a container/"reserve" block
264 if ($type =~ /^(.)c$/) {
265 $sth = $dbh->prepare("update freeblocks set routed='$1' where cidr='$cidr'");
266 $sth->execute;
267 } else {
268 # "normal" case
269 $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
270 $sth->execute;
271 }
272 $sth = $dbh->prepare("insert into allocations".
273 " (cidr,custid,type,city,description,notes,maskbits,circuitid)".
274 " values ('$cidr','$custid','$type','$city','$desc','$notes',".
275 $cidr->masklen.",'$circid')");
276 $sth->execute;
277
278 # And initialize the pool, if necessary
279 # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
280 # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
281 if ($type =~ /^.p$/) {
282 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
283 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
284 die $rmsg if $code eq 'FAIL';
285 } elsif ($type =~ /^.d$/) {
286 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
287 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
288 die $rmsg if $code eq 'FAIL';
289 } else {
290 # This is an else case, rather than continuing, because we've already stuffed
291 # DNS entries in for pools inside initPool() called above. This section deals
292 # with non-pool blocks.
293 # Note that we should really NetAddr::IP::split() this block if it's /15 or
294 # larger so as to not break things by running out of memory. Or something.
295
296# Check initPool() for a better(?) way to do this - also somewhat more complete
297 $msg = "Failed to seed rDNS entries allocating $cidr to $custid";
298 my $sth2 = $dbh->prepare("insert into dns (ip,hostname) values (?, ?)");
299 my @iplist = $cidr->hostenum;
300 foreach my $ip (@iplist) {
301 $sth2->execute("$ip",$rdns);
302 }
303 }
304
305 } # routing vs non-routing netblock
306
307 $dbh->commit;
308 }; # end of eval
309 if ($@) {
310 $msg .= ": ".$@;
311 eval { $dbh->rollback; };
312 return ('FAIL',$msg);
313 } else {
314 return ('OK',"OK");
315 }
316
317 } else { # cidr != alloc_from
318
319 # Hard case. Allocation is smaller than free block.
320 my $wantmaskbits = $cidr->masklen;
321 my $maskbits = $alloc_from->masklen;
322
323 my @newfreeblocks; # Holds free blocks generated from splitting the source freeblock.
324
325 # This determines which blocks will be left "free" after allocation. We take the
326 # block we're allocating from, and split it in half. We see which half the wanted
327 # block is in, and repeat until the wanted block is equal to one of the halves.
328 my $i=0;
329 my $tmp_from = $alloc_from; # So we don't munge $alloc_from
330 while ($maskbits++ < $wantmaskbits) {
331 my @subblocks = $tmp_from->split($maskbits);
332 $newfreeblocks[$i++] = (($cidr->within($subblocks[0])) ? $subblocks[1] : $subblocks[0]);
333 $tmp_from = ( ($cidr->within($subblocks[0])) ? $subblocks[0] : $subblocks[1] );
334 } # while
335
336 # Begin SQL transaction block
337 eval {
338 $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
339
340 # Delete old freeblocks entry
341 $sth = $dbh->prepare("delete from freeblocks where cidr='$alloc_from'");
342 $sth->execute();
343
344 # now we have to do some magic for routing blocks
345 if ($type eq 'rm') {
346
347 # Insert the new freeblocks entries
348 # Note that non-routed blocks are assigned to <NULL>
349 # and use the default value for the routed column ('n')
350 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
351 " values (?, ?, '<NULL>')");
352 foreach my $block (@newfreeblocks) {
353 $sth->execute("$block", $block->masklen);
354 }
355
356 # Insert the entry in the routed table
357 $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
358 " values ('$cidr',".$cidr->masklen.",'$city')");
359 $sth->execute;
360 # Insert the (almost) same entry in the freeblocks table
361 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
362 " values ('$cidr',".$cidr->masklen.",'$city','y')");
363 $sth->execute;
364
365 } else { # done with alloctype == rm
366
367 # Insert the new freeblocks entries
368 # Along with some more HairyPerl(TM) in case we're inserting a
369 # subblock (.r) allocation
370 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
371 " values (?, ?, (select city from routed where cidr >>= '$cidr'),'".
372 (($type =~ /^(.)r$/) ? "$1" : 'y')."')");
373 foreach my $block (@newfreeblocks) {
374 $sth->execute("$block", $block->masklen);
375 }
376 # Special-case for reserve/"container" blocks - generate
377 # the "extra" freeblocks entry for the container
378 if ($type =~ /^(.)c$/) {
379 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
380 " values ('$cidr',".$cidr->masklen.",'$city','$1')");
381 $sth->execute;
382 }
383 # Insert the allocations entry
384 $sth = $dbh->prepare("insert into allocations (cidr,custid,type,city,".
385 "description,notes,maskbits,circuitid)".
386 " values ('$cidr','$custid','$type','$city','$desc','$notes',".
387 $cidr->masklen.",'$circid')");
388 $sth->execute;
389
390 # And initialize the pool, if necessary
391 # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
392 # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
393 if ($type =~ /^.p$/) {
394 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
395 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
396 die $rmsg if $code eq 'FAIL';
397 } elsif ($type =~ /^.d$/) {
398 $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
399 my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
400 die $rmsg if $code eq 'FAIL';
401 }
402
403 } # done with netblock alloctype != rm
404
405 $dbh->commit;
406 }; # end eval
407 if ($@) {
408 $msg .= ": ".$@;
409 eval { $dbh->rollback; };
410 return ('FAIL',$msg);
411 } else {
412 return ('OK',"OK");
413 }
414
415 } # end fullcidr != alloc_from
416
417 } # end static-IP vs netblock allocation
418
419} # end allocateBlock()
420
421
422## IPDB::initPool()
423# Initializes a pool
424# Requires a database handle, the pool CIDR, type, city, and a parameter
425# indicating whether the pool should allow allocation of literally every
426# IP, or if it should reserve network/gateway/broadcast IPs
427# Note that this is NOT done in a transaction, that's why it's a private
428# function and should ONLY EVER get called from allocateBlock()
429# We also do the rDNS for the pool here to save some sanity.
430sub initPool {
431 my ($dbh,undef,$type,$city,$class,$rdns) = @_;
432 my $pool = new NetAddr::IP $_[1];
433
434##fixme Need to just replace 2nd char of type with i rather than capturing 1st char of type
435 $type =~ s/[pd]$/i/;
436 my $sth;
437 my $msg;
438
439 # Trap errors so we can pass them back to the caller. Even if the
440 # caller is only ever supposed to be local, and therefore already
441 # trapping errors. >:(
442 local $dbh->{AutoCommit} = 0; # These need to be local so we don't
443 local $dbh->{RaiseError} = 1; # step on our toes by accident.
444
445 eval {
446 # have to insert all pool IPs into poolips table as "unallocated".
447 $sth = $dbh->prepare("insert into poolips (pool,ip,custid,city,type)".
448 " values ('$pool', ?, '6750400', '$city', '$type')");
449 my $sth2 = $dbh->prepare("insert into dns (ip,hostname) values (?, ?)");
450 my @poolip_list = $pool->hostenum;
451 if ($class eq 'all') { # (DSL-ish block - *all* IPs available
452 if ($pool->addr !~ /\.0$/) { # .0 causes weirdness.
453 $sth->execute($pool->addr);
454 # Insert rDNS entry
455 $sth2->execute($pool->addr,subst_rDNS($rdns,$pool->addr));
456 }
457 for (my $i=0; $i<=$#poolip_list; $i++) {
458 $sth->execute($poolip_list[$i]->addr);
459 # Insert rDNS entry
460 $sth2->execute($poolip_list[$i]->addr,subst_rDNS($rdns,$poolip_list[$i]->addr));
461 }
462 $pool--;
463 if ($pool->addr !~ /\.255$/) { # .255 can cause weirdness.
464 $sth->execute($pool->addr);
465 # Insert rDNS entry
466 $sth2->execute($pool->addr,subst_rDNS($rdns,$pool->addr));
467 }
468 } else { # (real netblock)
469 for (my $i=1; $i<=$#poolip_list; $i++) {
470 $sth->execute($poolip_list[$i]->addr);
471 # Insert rDNS entry
472 $sth2->execute($poolip_list[$i]->addr,
473 subst_rDNS($rdns,$poolip_list[$i]->addr));
474 }
475 }
476 };
477 if ($@) {
478 $msg = "'".$sth->errstr."'";
479 eval { $dbh->rollback; };
480 return ('FAIL',$msg);
481 } else {
482 return ('OK',"OK");
483 }
484} # end initPool()
485
486
487## IPDB::deleteBlock()
488# Removes an allocation from the database, including deleting IPs
489# from poolips and recombining entries in freeblocks if possible
490# Also handles "deleting" a static IP allocation, and removal of a master
491# Requires a database handle, the block to delete, and the type of block
492sub deleteBlock {
493 my ($dbh,undef,$type) = @_;
494 my $cidr = new NetAddr::IP $_[1];
495
496 my $sth;
497
498 # To contain the error message, if any.
499 my $msg = "Unknown error deallocating $type $cidr";
500 # Enable transactions and exception-on-errors... but only for this sub
501 local $dbh->{AutoCommit} = 0;
502 local $dbh->{RaiseError} = 1;
503
504 # First case. The "block" is a static IP
505 # Note that we still need some additional code in the odd case
506 # of a netblock-aligned contiguous group of static IPs
507 if ($type =~ /^.i$/) {
508
509 eval {
510 $msg = "Unable to deallocate $disp_alloctypes{$type} $cidr";
511 $sth = $dbh->prepare("update poolips set custid='6750400',available='y',".
512 "city=(select city from allocations where cidr >>= '$cidr'),".
513 "description='',notes='',circuitid='' where ip='$cidr'");
514 $sth->execute;
515 $dbh->commit;
516 };
517 if ($@) {
518 eval { $dbh->rollback; };
519 return ('FAIL',$msg);
520 } else {
521 return ('OK',"OK");
522 }
523
524 } elsif ($type eq 'mm') { # end alloctype =~ /.i/
525
526 $msg = "Unable to delete master block $cidr";
527 eval {
528 $sth = $dbh->prepare("delete from masterblocks where cidr='$cidr'");
529 $sth->execute;
530 $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
531 $sth->execute;
532 $dbh->commit;
533 };
534 if ($@) {
535 eval { $dbh->rollback; };
536 return ('FAIL', $msg);
537 } else {
538 return ('OK',"OK");
539 }
540
541 } else { # end alloctype master block case
542
543 ## This is a big block; but it HAS to be done in a chunk. Any removal
544 ## of a netblock allocation may result in a larger chunk of free
545 ## contiguous IP space - which may in turn be combined into a single
546 ## netblock rather than a number of smaller netblocks.
547
548 eval {
549
550 if ($type eq 'rm') {
551 $msg = "Unable to remove routing allocation $cidr";
552 $sth = $dbh->prepare("delete from routed where cidr='$cidr'");
553 $sth->execute;
554 # Make sure block getting deleted is properly accounted for.
555 $sth = $dbh->prepare("update freeblocks set routed='n',city='<NULL>'".
556 " where cidr='$cidr'");
557 $sth->execute;
558 # Set up query to start compacting free blocks.
559 $sth = $dbh->prepare("select cidr from freeblocks where ".
560 "maskbits<=".$cidr->masklen." and routed='n' order by maskbits desc");
561
562 } else { # end alloctype routing case
563
564 # Delete all allocations within the block being deleted. This is
565 # deliberate and correct, and removes the need to special-case
566 # removal of "container" blocks.
567 $sth = $dbh->prepare("delete from allocations where cidr <<='$cidr'");
568 $sth->execute;
569
570 # Special case - delete pool IPs
571 if ($type =~ /^.[pd]$/) {
572 # We have to delete the IPs from the pool listing.
573 $sth = $dbh->prepare("delete from poolips where pool='$cidr'");
574 $sth->execute;
575 }
576
577 # Set up query for compacting free blocks.
578 $sth = $dbh->prepare("select cidr from freeblocks where cidr <<= ".
579 "(select cidr from routed where cidr >>= '$cidr') ".
580 " and maskbits<=".$cidr->masklen.
581 " and routed='".(($type =~ /^(.)r$/) ? '$1' : 'y').
582 "' order by maskbits desc");
583
584 } # end alloctype general case
585
586 # Now we look for larger-or-equal-sized free blocks in the same master (routed)
587 # (super)block. If there aren't any, we can't combine blocks anyway. If there
588 # are, we check to see if we can combine blocks.
589 # Execute the statement prepared in the if-else above.
590
591 $sth->execute;
592
593# NetAddr::IP->compact() attempts to produce the smallest inclusive block
594# from the caller and the passed terms.
595# EG: if you call $cidr->compact($ip1,$ip2,$ip3) when $cidr, $ip1, $ip2,
596# and $ip3 are consecutive /27's starting on .0 (.0-.31, .32-.63,
597# .64-.95, and .96-.128), you will get an array containing a single
598# /25 as element 0 (.0-.127). Order is not important; you could have
599# $cidr=.32/27, $ip1=.96/27, $ip2=.0/27, and $ip3=.64/27.
600
601 my (@together, @combinelist);
602 my $i=0;
603 while (my @data = $sth->fetchrow_array) {
604 my $testIP = new NetAddr::IP $data[0];
605 @together = $testIP->compact($cidr);
606 my $num = @together;
607 if ($num == 1) {
608 $cidr = $together[0];
609 $combinelist[$i++] = $testIP;
610 }
611 }
612
613 # Clear old freeblocks entries - if any. They should all be within
614 # the $cidr determined above.
615 $sth = $dbh->prepare("delete from freeblocks where cidr <<='$cidr'");
616 $sth->execute;
617
618 # insert "new" freeblocks entry
619 if ($type eq 'rm') {
620 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
621 " values ('$cidr',".$cidr->masklen.",'<NULL>')");
622 } else {
623 $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
624 " values ('$cidr',".$cidr->masklen.
625 ",(select city from routed where cidr >>= '$cidr'),'".
626 (($type =~ /^(.)r$/) ? "$1" : 'y')."')");
627 }
628 $sth->execute;
629
630 # If we got here, we've succeeded. Whew!
631 $dbh->commit;
632 }; # end eval
633 if ($@) {
634 eval { $dbh->rollback; };
635 return ('FAIL', $msg);
636 } else {
637 return ('OK',"OK");
638 }
639
640 } # end alloctype != netblock
641
642} # end deleteBlock()
643
644
645## IPDB::mailNotify()
646# Sends notification mail to recipients regarding an IPDB operation
647sub mailNotify ($$$) {
648 my ($recip,$subj,$message) = @_;
649 my $mailer = Net::SMTP->new("smtp.example.com", Hello => "ipdb.example.com");
650
651 $mailer->mail('ipdb@example.com');
652 $mailer->to($recip);
653 $mailer->data("From: \"IP Database\" <ipdb\@example.com>\n",
654 "To: $recip\n",
655 "Date: ".strftime("%a, %d %b %Y %H:%M:%S %z",localtime)."\n",
656 "Subject: {IPDB} $subj\n",
657 "X-Mailer: IPDB Notify v".sprintf("%.1d",$IPDB::VERSION)."\n",
658 "Organization: Example Corp\n",
659 "\n$message\n");
660 $mailer->quit;
661}
662
663
664## IPDB::subst_rDNS()
665# Substitute tokens in a template string for rDNS entries
666sub subst_rDNS {
667 my ($template,$ip) = $@;
668
669 my ($o1,$o2,$o3,$o4) = ($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)/);
670 $template =~ s/\%o1\%/$o1/;
671 $template =~ s/\%o2\%/$o2/;
672 $template =~ s/\%o3\%/$o3/;
673 $template =~ s/\%o4\%/$o4/;
674 $template =~ s/\%d\%/$o1$-o2-$o3-$o4/;
675
676 return $template;
677} # end subst_rDNS()
678
679# Indicates module loaded OK. Required by Perl.
6801;
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