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source: trunk/cgi-bin/IPDB.pm@ 559

Last change on this file since 559 was 559, checked in by Kris Deugau, 12 years ago

/trunk

Work in progress, see #5:
Fix subtle ordering bug in deleteBlock() handling legacy netblocks
allocated from a static IP pool; the whole point of the special
handling is to NOT make the IPs in it available for general
allocation.

Property svn:keywords set to Date Rev Author

File size: 47.9 KB

Rev	Line
[8]	1	# ipdb/cgi-bin/IPDB.pm
[66]	2	# Contains functions for IPDB - database access, subnet mangling, block allocation, etc
[8]	3	###
	4	# SVN revision info
	5	# $Date: 2012-12-19 20:27:02 +0000 (Wed, 19 Dec 2012) $
	6	# SVN revision $Rev: 559 $
	7	# Last update by $Author: kdeugau $
	8	###
[417]	9	# Copyright (C) 2004-2010 - Kris Deugau
[8]	10
[4]	11	package IPDB;
	12
	13	use strict;
	14	use warnings;
	15	use Exporter;
[77]	16	use DBI;
[66]	17	use Net::SMTP;
[371]	18	use NetAddr::IP qw( Compact );
[68]	19	use POSIX;
[4]	20	use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
	21
[417]	22	$VERSION = 2; ##VERSION##
[4]	23	@ISA = qw(Exporter);
[106]	24	@EXPORT_OK = qw(
[541]	25	%disp_alloctypes %list_alloctypes %def_custids @citylist @poplist
	26	%IPDBacl %aclmsg
[523]	27	&initIPDBGlobals &connectDB &finish &checkDBSanity
[547]	28	&addMaster &touchMaster
[528]	29	&listSummary &listMaster &listRBlock &listFree &listPool
[541]	30	&getMasterList &getTypeList &getPoolSelect &findAllocateFrom
[536]	31	&ipParent &subParent &blockParent &getRoutedCity
[531]	32	&allocateBlock &updateBlock &deleteBlock &getBlockData
[530]	33	&getNodeList &getNodeName &getNodeInfo
[519]	34	&mailNotify
[106]	35	);
[4]	36
	37	@EXPORT = (); # Export nothing by default.
[106]	38	%EXPORT_TAGS = ( ALL => [qw(
[167]	39	%disp_alloctypes %list_alloctypes %def_custids @citylist @poplist
[541]	40	%IPDBacl %aclmsg
[523]	41	&initIPDBGlobals &connectDB &finish &checkDBSanity
[547]	42	&addMaster &touchMaster
[528]	43	&listSummary &listMaster &listRBlock &listFree &listPool
[541]	44	&getMasterList &getTypeList &getPoolSelect &findAllocateFrom
[536]	45	&ipParent &subParent &blockParent &getRoutedCity
[531]	46	&allocateBlock &updateBlock &deleteBlock &getBlockData
[530]	47	&getNodeList &getNodeName &getNodeInfo
[519]	48	&mailNotify
[106]	49	)]
	50	);
[4]	51
[77]	52	##
	53	## Global variables
	54	##
	55	our %disp_alloctypes;
	56	our %list_alloctypes;
[167]	57	our %def_custids;
[96]	58	our @citylist;
	59	our @poplist;
[233]	60	our %IPDBacl;
[66]	61
[517]	62	# mapping table for functional-area => error message
	63	our %aclmsg = (
	64	addmaster => 'add a master block',
	65	addblock => 'add an allocation',
	66	updateblock => 'update a block',
	67	delblock => 'delete an allocation',
	68	);
	69
[417]	70	our $org_name = 'Example Corp';
[416]	71	our $smtphost = 'smtp.example.com';
	72	our $domain = 'example.com';
[417]	73	our $defcustid = '5554242';
	74	# mostly for rwhois
	75	##fixme: leave these blank by default?
[420]	76	our $rwhoisDataPath = '/usr/local/rwhoisd/etc/rwhoisd'; # to match ./configure defaults from rwhoisd-1.5.9.6
[417]	77	our $org_street = '123 4th Street';
	78	our $org_city = 'Anytown';
	79	our $org_prov_state = 'ON';
	80	our $org_pocode = 'H0H 0H0';
	81	our $org_country = 'CA';
	82	our $org_phone = '000-555-1234';
	83	our $org_techhandle = 'ISP-ARIN-HANDLE';
[434]	84	our $org_email = 'noc@example.com';
[437]	85	our $hostmaster = 'dns@example.com';
[416]	86
[417]	87	our $syslog_facility = 'local2';
	88
[77]	89	# Let's initialize the globals.
	90	## IPDB::initIPDBGlobals()
	91	# Initialize all globals. Takes a database handle, returns a success or error code
	92	sub initIPDBGlobals {
	93	my $dbh = $_[0];
	94	my $sth;
	95
[106]	96	# Initialize alloctypes hashes
[167]	97	$sth = $dbh->prepare("select type,listname,dispname,listorder,def_custid from alloctypes order by listorder");
[77]	98	$sth->execute;
	99	while (my @data = $sth->fetchrow_array) {
[106]	100	$disp_alloctypes{$data[0]} = $data[2];
[167]	101	$def_custids{$data[0]} = $data[4];
[106]	102	if ($data[3] < 900) {
	103	$list_alloctypes{$data[0]} = $data[1];
	104	}
[77]	105	}
[96]	106
	107	# City and POP listings
[157]	108	$sth = $dbh->prepare("select city,routing from cities order by city");
[96]	109	$sth->execute;
	110	return (undef,$sth->errstr) if $sth->err;
	111	while (my @data = $sth->fetchrow_array) {
[106]	112	push @citylist, $data[0];
[96]	113	if ($data[1] eq 'y') {
[106]	114	push @poplist, $data[0];
[96]	115	}
	116	}
	117
[233]	118	# Load ACL data. Specific username checks are done at a different level.
	119	$sth = $dbh->prepare("select username,acl from users");
	120	$sth->execute;
[106]	121	return (undef,$sth->errstr) if $sth->err;
[233]	122	while (my @data = $sth->fetchrow_array) {
	123	$IPDBacl{$data[0]} = $data[1];
	124	}
[106]	125
[517]	126	##fixme: initialize HTML::Template env var for template path
	127	# something like $self->path().'/templates' ?
	128	# $ENV{HTML_TEMPLATE_ROOT} = 'foo/bar';
	129
[77]	130	return (1,"OK");
	131	} # end initIPDBGlobals
	132
	133
	134	## IPDB::connectDB()
[4]	135	# Creates connection to IPDB.
[77]	136	# Requires the database name, username, and password.
[4]	137	# Returns a handle to the db.
[77]	138	# Set up for a PostgreSQL db; could be any transactional DBMS with the
	139	# right changes.
[4]	140	sub connectDB {
[432]	141	my $dbname = shift;
	142	my $user = shift;
	143	my $pass = shift;
	144	my $dbhost = shift;
	145
[4]	146	my $dbh;
[432]	147	my $DSN = "DBI:Pg:".($dbhost ? "host=$dbhost;" : '')."dbname=$dbname";
[4]	148
	149	# Note that we want to autocommit by default, and we will turn it off locally as necessary.
[77]	150	# We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
	151	$dbh = DBI->connect($DSN, $user, $pass, {
	152	AutoCommit => 1,
	153	PrintError => 0
	154	})
	155	or return (undef, $DBI::errstr) if(!$dbh);
[4]	156
[77]	157	# Return here if we can't select. Note that this indicates a
	158	# problem executing the select.
[183]	159	my $sth = $dbh->prepare("select type from alloctypes");
[77]	160	$sth->execute();
	161	return (undef,$DBI::errstr) if ($sth->err);
	162
	163	# See if the select returned anything (or null data). This should
	164	# succeed if the select executed, but...
	165	$sth->fetchrow();
	166	return (undef,$DBI::errstr) if ($sth->err);
	167
	168	# If we get here, we should be OK.
	169	return ($dbh,"DB connection OK");
[4]	170	} # end connectDB
	171
[77]	172
	173	## IPDB::finish()
	174	# Cleans up after database handles and so on.
	175	# Requires a database handle
	176	sub finish {
	177	my $dbh = $_[0];
[517]	178	$dbh->disconnect if $dbh;
[77]	179	} # end finish
	180
	181
[106]	182	## IPDB::checkDBSanity()
[4]	183	# Quick check to see if the db is responding. A full integrity
	184	# check will have to be a separate tool to walk the IP allocation trees.
	185	sub checkDBSanity {
[106]	186	my ($dbh) = $_[0];
[4]	187
	188	if (!$dbh) {
[106]	189	print "No database handle, or connection has been closed.";
	190	return -1;
[4]	191	} else {
	192	# it connects, try a stmt.
[184]	193	my $sth = $dbh->prepare("select type from alloctypes");
[4]	194	my $err = $sth->execute();
	195
	196	if ($sth->fetchrow()) {
	197	# all is well.
	198	return 1;
	199	} else {
[16]	200	print "Connected to the database, but could not execute test statement. ".$sth->errstr();
[106]	201	return -1;
[4]	202	}
	203	}
	204	# Clean up after ourselves.
[106]	205	# $dbh->disconnect;
[4]	206	} # end checkDBSanity
	207
[66]	208
[371]	209	## IPDB::addMaster()
	210	# Does all the magic necessary to sucessfully add a master block
	211	# Requires database handle, block to add
	212	# Returns failure code and error message or success code and "message"
	213	sub addMaster {
	214	my $dbh = shift;
	215	my $cidr = new NetAddr::IP shift;
	216
	217	# Allow transactions, and raise an exception on errors so we can catch it later.
	218	# Use local to make sure these get "reset" properly on exiting this block
	219	local $dbh->{AutoCommit} = 0;
	220	local $dbh->{RaiseError} = 1;
	221
	222	# Wrap all the SQL in a transaction
	223	eval {
[518]	224	my ($mexist) = $dbh->selectrow_array("SELECT cidr FROM masterblocks WHERE cidr <<= ?", undef, ($cidr) );
[371]	225
[518]	226	if (!$mexist) {
[371]	227	# First case - master is brand-spanking-new.
	228	##fixme: rwhois should be globally-flagable somewhere, much like a number of other things
	229	## maybe a db table called "config"?
[518]	230	$dbh->do("INSERT INTO masterblocks (cidr,rwhois) VALUES (?,?)", undef, ($cidr,'y') );
[371]	231
	232	# Unrouted blocks aren't associated with a city (yet). We don't rely on this
	233	# elsewhere though; legacy data may have traps and pitfalls in it to break this.
	234	# Thus the "routed" flag.
[556]	235	$dbh->do("INSERT INTO freeblocks (cidr,maskbits,city,routed,parent,rdepth) VALUES (?,?,?,?,?,?)", undef,
	236	($cidr, $cidr->masklen, '<NULL>', 'm', $cidr, 1) );
[371]	237
	238	# If we get here, everything is happy. Commit changes.
	239	$dbh->commit;
	240
[518]	241	} # done new master does not contain existing master(s)
[371]	242	else {
	243
	244	# collect the master(s) we're going to absorb, and snag the longest netmask while we're at it.
	245	my $smallmask = $cidr->masklen;
[518]	246	my $sth = $dbh->prepare("SELECT cidr FROM masterblocks WHERE cidr <<= ?");
	247	$sth->execute($cidr);
[371]	248	my @cmasters;
	249	while (my @data = $sth->fetchrow_array) {
	250	my $master = new NetAddr::IP $data[0];
	251	push @cmasters, $master;
	252	$smallmask = $master->masklen if $master->masklen > $smallmask;
	253	}
	254
	255	# split the new master, and keep only those blocks not part of an existing master
	256	my @blocklist;
	257	foreach my $seg ($cidr->split($smallmask)) {
	258	my $contained = 0;
	259	foreach my $master (@cmasters) {
	260	$contained = 1 if $master->contains($seg);
	261	}
	262	push @blocklist, $seg if !$contained;
	263	}
	264
	265	# collect the unrouted free blocks within the new master
[556]	266	$sth = $dbh->prepare("SELECT cidr FROM freeblocks WHERE masklen(cidr) <= ? AND cidr <<= ? AND routed = 'm'");
[518]	267	$sth->execute($smallmask, $cidr);
[371]	268	while (my @data = $sth->fetchrow_array) {
	269	my $freeblock = new NetAddr::IP $data[0];
	270	push @blocklist, $freeblock;
	271	}
	272
	273	# combine the set of free blocks we should have now.
	274	@blocklist = Compact(@blocklist);
	275
	276	# and now insert the new data. Make sure to delete old masters too.
	277
	278	# freeblocks
[518]	279	$sth = $dbh->prepare("DELETE FROM freeblocks WHERE cidr <<= ?");
[556]	280	my $sth2 = $dbh->prepare("INSERT INTO freeblocks (cidr,maskbits,city,routed,parent,rdepth)".
	281	" VALUES (?,?,'<NULL>','m',?,1)");
[371]	282	foreach my $newblock (@blocklist) {
[518]	283	$sth->execute($newblock);
[556]	284	$sth2->execute($newblock, $newblock->masklen, $cidr);
[371]	285	}
	286
[556]	287	# update parent relations at rdepth=1
	288	$dbh->do("UPDATE allocations SET parent = ? WHERE parent << ? AND rdepth=1", undef, ($cidr, $cidr) );
	289	$dbh->do("UPDATE freeblocks SET parent = ? WHERE parent << ? AND rdepth=1", undef, ($cidr, $cidr) );
	290
[371]	291	# master
[518]	292	$dbh->do("DELETE FROM masterblocks WHERE cidr <<= ?", undef, ($cidr) );
	293	$dbh->do("INSERT INTO masterblocks (cidr,rwhois) VALUES (?,?)", undef, ($cidr, 'y') );
[371]	294
	295	# whew If we got here, we likely suceeded.
	296	$dbh->commit;
	297	} # new master contained existing master(s)
	298	}; # end eval
	299
	300	if ($@) {
	301	my $msg = $@;
	302	eval { $dbh->rollback; };
	303	return ('FAIL',$msg);
	304	} else {
	305	return ('OK','OK');
	306	}
	307	} # end addMaster
	308
	309
[547]	310	## IPDB::touchMaster()
	311	# Update last-changed timestamp on a master block.
	312	sub touchMaster {
	313	my $dbh = shift;
	314	my $master = shift;
	315
	316	local $dbh->{AutoCommit} = 0;
	317	local $dbh->{RaiseError} = 1;
	318
	319	eval {
	320	$dbh->do("UPDATE masterblocks SET mtime=now() WHERE cidr = ?", undef, ($master));
	321	$dbh->commit;
	322	};
	323
	324	if ($@) {
	325	my $msg = $@;
	326	eval { $dbh->rollback; };
	327	return ('FAIL',$msg);
	328	}
	329	return ('OK','OK');
	330	} # end touchMaster()
	331
	332
[523]	333	## IPDB::listSummary()
	334	# Get summary list of all master blocks
	335	# Returns an arrayref to a list of hashrefs containing the master block, routed count,
	336	# allocated count, free count, and largest free block masklength
	337	sub listSummary {
	338	my $dbh = shift;
	339
	340	my $mlist = $dbh->selectall_arrayref("SELECT cidr AS master FROM masterblocks ORDER BY cidr", { Slice => {} });
	341
	342	foreach (@{$mlist}) {
	343	my ($rcnt) = $dbh->selectrow_array("SELECT count(*) FROM routed WHERE cidr <<= ?", undef, ($$_{master}));
	344	$$_{routed} = $rcnt;
	345	my ($acnt) = $dbh->selectrow_array("SELECT count(*) FROM allocations WHERE cidr <<= ?", undef, ($$_{master}));
	346	$$_{allocated} = $acnt;
	347	my ($fcnt) = $dbh->selectrow_array("SELECT count(*) FROM freeblocks WHERE cidr <<= ?".
	348	" AND (routed='y' OR routed='n')", undef, ($$_{master}));
	349	$$_{free} = $fcnt;
	350	my ($bigfree) = $dbh->selectrow_array("SELECT maskbits FROM freeblocks WHERE cidr <<= ?".
	351	" AND (routed='y' OR routed='n') ORDER BY maskbits LIMIT 1", undef, ($$_{master}));
	352	##fixme: should find a way to do this without having to HTMLize the <>
	353	$bigfree = "/$bigfree" if $bigfree;
[525]	354	$bigfree = '<NONE>' if !$bigfree;
[523]	355	$$_{bigfree} = $bigfree;
	356	}
	357	return $mlist;
	358	} # end listSummary()
	359
	360
[524]	361	## IPDB::listMaster()
	362	# Get list of routed blocks in the requested master
	363	# Returns an arrayref to a list of hashrefs containing the routed block, POP/city the block is routed to,
	364	# allocated count, free count, and largest free block masklength
	365	sub listMaster {
	366	my $dbh = shift;
	367	my $master = shift;
[523]	368
[524]	369	my $rlist = $dbh->selectall_arrayref("SELECT cidr AS block,city FROM routed WHERE cidr <<= ? ORDER BY cidr",
	370	{ Slice => {} }, ($master) );
[523]	371
[524]	372	foreach (@{$rlist}) {
	373	my ($acnt) = $dbh->selectrow_array("SELECT count(*) FROM allocations WHERE cidr <<= ?", undef, ($$_{block}));
	374	$$_{nsubs} = $acnt;
	375	my ($fcnt) = $dbh->selectrow_array("SELECT count(*) FROM freeblocks WHERE cidr <<= ?".
	376	" AND (routed='y' OR routed='n')", undef, ($$_{block}));
	377	$$_{nfree} = $fcnt;
	378	my ($bigfree) = $dbh->selectrow_array("SELECT maskbits FROM freeblocks WHERE cidr <<= ?".
	379	" AND (routed='y' OR routed='n') ORDER BY maskbits LIMIT 1", undef, ($$_{block}));
	380	##fixme: should find a way to do this without having to HTMLize the <>
	381	$bigfree = "/$bigfree" if $bigfree;
[525]	382	$bigfree = '<NONE>' if !$bigfree;
[524]	383	$$_{lfree} = $bigfree;
	384	}
	385	return $rlist;
	386	} # end listMaster()
	387
	388
[527]	389	## IPDB::listRBlock()
	390	# Gets a list of free blocks in the requested parent/master in both CIDR and range notation
	391	# Takes a parent/master and an optional flag to look at routed or unrouted blocks, depending
	392	# on whether the master is a direct master or a routed block
	393	# Returns an arrayref to a list of hashrefs containing the CIDR and range-notation blocks
	394	sub listRBlock {
	395	my $dbh = shift;
	396	my $routed = shift;
[524]	397
[527]	398	# Snag the allocations for this block
	399	my $sth = $dbh->prepare("SELECT cidr,city,type,custid,swip,description".
	400	" FROM allocations WHERE cidr <<= ? ORDER BY cidr");
	401	$sth->execute($routed);
[524]	402
[527]	403	# hack hack hack
	404	# set up to flag swip=y records if they don't actually have supporting data in the customers table
	405	my $custsth = $dbh->prepare("SELECT count(*) FROM customers WHERE custid = ?");
	406
	407	my @blocklist;
	408	while (my ($cidr,$city,$type,$custid,$swip,$desc) = $sth->fetchrow_array()) {
	409	$custsth->execute($custid);
	410	my ($ncust) = $custsth->fetchrow_array();
	411	my %row = (
	412	block => $cidr,
	413	city => $city,
	414	type => $disp_alloctypes{$type},
	415	custid => $custid,
	416	swip => ($swip eq 'y' ? 'Yes' : 'No'),
	417	partswip => ($swip eq 'y' && $ncust == 0 ? 1 : 0),
	418	desc => $desc
	419	);
	420	$row{subblock} = ($type =~ /^.r$/); # hmf. wonder why these won't work in the hash declaration...
	421	$row{listpool} = ($type =~ /^.[pd]$/);
	422	push (@blocklist, \%row);
	423	}
	424	return \@blocklist;
	425	} # end listRBlock()
	426
	427
[524]	428	## IPDB::listFree()
	429	# Gets a list of free blocks in the requested parent/master in both CIDR and range notation
[527]	430	# Takes a parent/master and an optional "routed or unrouted" flag that defaults to unrouted.
[524]	431	# Returns an arrayref to a list of hashrefs containing the CIDR and range-notation blocks
[527]	432	# Returns some extra flags in the hashrefs for routed blocks, since those can have several subtypes
[524]	433	sub listFree {
	434	my $dbh = shift;
	435	my $master = shift;
[527]	436	my $routed = shift \|\| 'n';
[524]	437
	438	# do it this way so we can waste a little less time iterating
[527]	439	my $sth = $dbh->prepare("SELECT cidr,routed FROM freeblocks WHERE cidr <<= ? AND ".
	440	($routed eq 'n' ? '' : 'NOT')." routed = 'n' ORDER BY cidr");
	441	$sth->execute($master);
[524]	442	my @flist;
[527]	443	while (my ($cidr,$rtype) = $sth->fetchrow_array()) {
[524]	444	$cidr = new NetAddr::IP $cidr;
[527]	445	my %row = (
	446	fblock => "$cidr",
	447	frange => $cidr->range,
	448	);
	449	if ($routed eq 'y') {
	450	$row{subblock} = ($rtype ne 'y' && $rtype ne 'n');
	451	$row{fbtype} = $rtype;
	452	}
[524]	453	push @flist, \%row;
	454	}
	455	return \@flist;
[527]	456	} # end listFree()
[524]	457
	458
[528]	459	## IPDB::listPool()
	460	#
	461	sub listPool {
	462	my $dbh = shift;
	463	my $pool = shift;
	464
	465	my $sth = $dbh->prepare("SELECT ip,custid,available,description,type".
	466	" FROM poolips WHERE pool = ? ORDER BY ip");
	467	$sth->execute($pool);
	468	my @poolips;
	469	while (my ($ip,$custid,$available,$desc,$type) = $sth->fetchrow_array) {
	470	my %row = (
	471	ip => $ip,
	472	custid => $custid,
	473	available => $available,
	474	desc => $desc,
	475	delme => $available eq 'n'
	476	);
	477	push @poolips, \%row;
	478	}
	479	return \@poolips;
	480	} # end listPool()
	481
	482
[541]	483	## IPDB::getMasterList()
	484	# Get a list of master blocks, optionally including last-modified timestamps
	485	# Takes an optional flag to indicate whether to include timestamps;
	486	# 'm' includes ctime, all others (suggest 'c') do not.
	487	# Returns an arrayref to a list of hashrefs
	488	sub getMasterList {
	489	my $dbh = shift;
	490	my $stampme = shift \|\| 'm'; # optional but should be set by caller for clarity
	491
	492	my $mlist = $dbh->selectall_arrayref("SELECT cidr AS master".($stampme eq 'm' ? ',mtime' : '').
	493	" FROM masterblocks ORDER BY cidr", { Slice => {} });
	494	return $mlist;
	495	} # end getMasterList()
	496
	497
[529]	498	## IPDB::getTypeList()
	499	# Get an alloctype/description pair list suitable for dropdowns
	500	# Takes a flag to determine which general groups of types are returned
	501	# Returns an reference to an array of hashrefs
	502	sub getTypeList {
	503	my $dbh = shift;
	504	my $tgroup = shift \|\| 'a'; # technically optional, like this, but should
	505	# really be specified in the call for clarity
	506	my $tlist;
	507	if ($tgroup eq 'p') {
	508	# grouping 'p' - primary allocation types. These include static IP pools (_d and _p),
	509	# dynamic-allocation ranges (_e), containers (_c), and the "miscellaneous" cn, in, and en types.
	510	$tlist = $dbh->selectall_arrayref("SELECT type,listname FROM alloctypes WHERE listorder < 500 ".
	511	"AND type NOT LIKE '_i' AND type NOT LIKE '_r' ORDER BY listorder", { Slice => {} });
	512	} elsif ($tgroup eq 'c') {
	513	# grouping 'c' - contained types. These include all static IPs and all _r types.
	514	$tlist = $dbh->selectall_arrayref("SELECT type,listname FROM alloctypes WHERE listorder <= 500 ".
	515	" AND (type LIKE '_i' OR type LIKE '_r') ORDER BY listorder", { Slice => {} });
	516	} else {
	517	# grouping 'a' - all standard allocation types. This includes everything
	518	# but mm (present only as a formality). Make this the default.
	519	$tlist = $dbh->selectall_arrayref("SELECT type,listname FROM alloctypes WHERE listorder <= 500 ".
	520	" ORDER BY listorder", { Slice => {} });
	521	}
	522	return $tlist;
	523	}
	524
	525
[532]	526	## IPDB::getPoolSelect()
	527	# Get a list of pools matching the passed city and type that have 1 or more free IPs
[533]	528	# Returns an arrayref to a list of hashrefs
[532]	529	sub getPoolSelect {
	530	my $dbh = shift;
	531	my $iptype = shift;
	532	my $pcity = shift;
	533
	534	my ($ptype) = ($iptype =~ /^(.)i$/);
	535	return if !$ptype;
	536	$ptype .= '_';
	537
	538	my $plist = $dbh->selectall_arrayref(
	539	"SELECT (SELECT city FROM allocations WHERE cidr=poolips.pool) AS poolcit, ".
	540	"poolips.pool AS poolblock, COUNT(*) AS poolfree FROM poolips,allocations ".
	541	"WHERE poolips.available='y' AND poolips.pool=allocations.cidr ".
	542	"AND allocations.city = ? AND poolips.type LIKE ? ".
	543	"GROUP BY pool", { Slice => {} }, ($pcity, $ptype) );
	544	return $plist;
	545	} # end getPoolSelect()
	546
	547
[533]	548	## IPDB::findAllocateFrom()
	549	# Find free block to add a new allocation from. (CIDR block version of pool select above, more or less)
	550	# Takes
	551	# - mask length
	552	# - allocation type
	553	# - POP city "parent"
	554	# - optional master-block restriction
	555	# - optional flag to allow automatic pick-from-private-network-ranges
	556	# Returns a string with the first CIDR block matching the criteria, if any
	557	sub findAllocateFrom {
	558	my $dbh = shift;
	559	my $maskbits = shift;
	560	my $type = shift;
	561	my $city = shift;
	562	my $pop = shift;
	563	my %optargs = @_;
	564
	565	my $failmsg = "No suitable free block found\n";
	566
	567	## Set up the SQL to find out what freeblock we can (probably) use for an allocation.
	568	## Very large systems will require development of a reserve system (possibly an extension
	569	## of the reserve-for-expansion concept in https://secure.deepnet.cx/trac/ipdb/ticket/24?)
	570	## Also populate a value list for the DBI call.
	571
	572	my @vallist = ($maskbits, ($type eq 'rm' ? 'n' : ($type =~ /^(.)r$/ ? "$1" : 'y')) );
	573	my $sql = "SELECT cidr FROM freeblocks WHERE maskbits <= ? AND routed = ?";
	574
	575	# for PPP(oE) and container types, the POP city is the one attached to the pool.
	576	# individual allocations get listed with the customer city site.
	577	##fixme: chain cities to align roughly with a full layer-2 node graph
	578	$city = $pop if $type !~ /^.[pc]$/;
[544]	579	if ($type ne 'rm' && $city) {
[533]	580	$sql .= " AND city = ?";
	581	push @vallist, $city;
	582	}
[544]	583	# Allow specifying an arbitrary full block, instead of a master
	584	if ($optargs{gimme}) {
	585	$sql .= " AND cidr >>= ?";
	586	push @vallist, $optargs{gimme};
	587	}
[533]	588	# if a specific master was requested, allow the requestor to self->shoot(foot)
	589	if ($optargs{master} && $optargs{master} ne '-') {
	590	$sql .= " AND cidr <<= ?" if $optargs{master} ne '-';
	591	push @vallist, $optargs{master};
	592	} else {
	593	# if a specific master was NOT requested, filter out the RFC 1918 private networks
	594	if (!$optargs{allowpriv}) {
	595	$sql .= " AND NOT (cidr <<= '192.168.0.0/16' OR cidr <<= '10.0.0.0/8' OR cidr <<= '172.16.0.0/12')";
	596	}
	597	}
	598	# Sorting and limiting, since we don't (currently) care to provide a selection of
	599	# blocks to carve up. This preserves something resembling optimal usage of the IP
	600	# space by forcing contiguous allocations and free blocks as much as possible.
	601	$sql .= " ORDER BY maskbits DESC,cidr LIMIT 1";
	602
	603	my ($fbfound) = $dbh->selectrow_array($sql, undef, @vallist);
	604	return $fbfound;
	605	} # end findAllocateFrom()
	606
	607
[536]	608	## IPDB::ipParent()
	609	# Get an IP's parent pool's details
	610	# Takes a database handle and IP
	611	# Returns a hashref to the parent pool block, if any
	612	sub ipParent {
	613	my $dbh = shift;
	614	my $block = shift;
	615
	616	my $pinfo = $dbh->selectrow_hashref("SELECT cidr,custid,type,city,description FROM allocations".
	617	" WHERE cidr >>= ?", undef, ($block) );
	618	return $pinfo;
	619	} # end ipParent()
	620
	621
	622	## IPDB::subParent()
[529]	623	# Get a block's parent's details
	624	# Takes a database handle and CIDR block
[536]	625	# Returns a hashref to the parent container block, if any
	626	sub subParent {
[529]	627	my $dbh = shift;
	628	my $block = shift;
	629
	630	my $pinfo = $dbh->selectrow_hashref("SELECT cidr,custid,type,city,description FROM allocations".
	631	" WHERE cidr >>= ?", undef, ($block) );
	632	return $pinfo;
[536]	633	} # end subParent()
[529]	634
	635
[536]	636	## IPDB::blockParent()
	637	# Get a block's parent's details
	638	# Takes a database handle and CIDR block
	639	# Returns a hashref to the parent container block, if any
	640	sub blockParent {
	641	my $dbh = shift;
	642	my $block = shift;
	643
	644	my $pinfo = $dbh->selectrow_hashref("SELECT cidr,city FROM routed".
	645	" WHERE cidr >>= ?", undef, ($block) );
	646	return $pinfo;
	647	} # end blockParent()
	648
	649
[527]	650	## IPDB::getRoutedCity()
	651	# Get the city for a routed block.
	652	sub getRoutedCity {
	653	my $dbh = shift;
	654	my $block = shift;
	655
	656	my ($rcity) = $dbh->selectrow_array("SELECT city FROM routed WHERE cidr = ?", undef, ($block) );
	657	return $rcity;
	658	} # end getRoutedCity()
	659
	660
[77]	661	## IPDB::allocateBlock()
[66]	662	# Does all of the magic of actually allocating a netblock
[554]	663	# Requires a database handle, and a hash containing the block to allocate, routing depth, custid,
	664	# type, city, block to allocate from, and optionally a description, notes, circuit ID,
	665	# and private data
[77]	666	# Returns a success code and optional error message.
	667	sub allocateBlock {
[554]	668	my $dbh = shift;
[284]	669
[554]	670	my %args = @_;
	671
	672	$args{cidr} = new NetAddr::IP $args{cidr};
	673	$args{alloc_from} = new NetAddr::IP $args{alloc_from};
	674
	675	$args{desc} = '' if !$args{desc};
	676	$args{notes} = '' if !$args{notes};
	677	$args{circid} = '' if !$args{circid};
	678	$args{privdata} = '' if !$args{privdata};
	679	$args{vrf} = '' if !$args{vrf};
	680
[77]	681	my $sth;
[66]	682
[349]	683	# Snag the "type" of the freeblock (alloc_from) "just in case"
[554]	684	$sth = $dbh->prepare("select routed from freeblocks where cidr='$args{alloc_from}'");
[349]	685	$sth->execute;
	686	my ($alloc_from_type) = $sth->fetchrow_array;
	687
[79]	688	# To contain the error message, if any.
[554]	689	my $msg = "Unknown error allocating $args{cidr} as '$disp_alloctypes{$args{type}}'";
[79]	690
[77]	691	# Enable transactions and error handling
	692	local $dbh->{AutoCommit} = 0; # These need to be local so we don't
	693	local $dbh->{RaiseError} = 1; # step on our toes by accident.
[66]	694
[554]	695	if ($args{type} =~ /^.i$/) {
	696	$msg = "Unable to assign static IP $args{cidr} to $args{custid}";
[77]	697	eval {
[554]	698	if ($args{cidr}) { # IP specified
	699	my ($isavail) = $dbh->selectrow_array("SELECT available FROM poolips WHERE ip=?", undef, ($args{cidr}) );
	700	die "IP is not in an IP pool.\n"
	701	if !$isavail;
	702	die "IP already allocated. Deallocate and reallocate, or update the entry\n"
	703	if $isavail eq 'n';
	704	} else { # IP not specified, take first available
	705	($args{cidr}) = $dbh->selectrow_array("SELECT ip FROM poolips WHERE pool=? AND available='y' ORDER BY ip",
	706	undef, ($args{alloc_from}) );
[545]	707	}
[554]	708	$dbh->do("UPDATE poolips SET custid=?,city=?,available='n',description=?,notes=?,circuitid=?,privdata=?,vrf=? ".
	709	"WHERE ip=?", undef, ($args{custid}, $args{city}, $args{desc}, $args{notes}, $args{circid},
	710	$args{privdata}, $args{vrf}, $args{cidr}) );
[157]	711
[397]	712	# node hack
[554]	713	if ($args{nodeid} && $args{nodeid} ne '') {
	714	$dbh->do("INSERT INTO noderef (block,node_id) VALUES (?,?)", undef, ($args{cidr}, $args{nodeid}) );
[397]	715	}
	716	# end node hack
[545]	717
[79]	718	$dbh->commit;
[77]	719	};
	720	if ($@) {
[545]	721	$msg .= ": $@";
[78]	722	eval { $dbh->rollback; };
	723	return ('FAIL',$msg);
[77]	724	} else {
[554]	725	return ('OK',"$args{cidr}");
[77]	726	}
	727
	728	} else { # end IP-from-pool allocation
	729
[554]	730	if ($args{cidr} == $args{alloc_from}) {
[77]	731	# Easiest case- insert in one table, delete in the other, and go home. More or less.
	732	# insert into allocations values (cidr,custid,type,city,desc) and
	733	# delete from freeblocks where cidr='cidr'
	734	# For data safety on non-transaction DBs, we delete first.
	735
	736	eval {
[554]	737	$msg = "Unable to allocate $args{cidr} as '$disp_alloctypes{$args{type}}'";
	738
[555]	739	# Get old freeblocks parent/depth/routed for new entries... before we delete it.
	740	my ($fparent) = $dbh->selectrow_array("SELECT parent FROM freeblocks WHERE cidr=? AND rdepth=?",
	741	undef, ($args{alloc_from}, $args{rdepth}) );
	742
[554]	743	# Munge freeblocks
	744	if ($args{type} =~ /^(.)[mc]$/) {
	745	# special case - block is a routed or container/"reserve" block
	746	my $rtype = $1;
	747	$dbh->do("UPDATE freeblocks SET routed=?,rdepth=rdepth+1,city=?,parent=? WHERE cidr=? AND rdepth=?",
	748	undef, ($rtype, $args{city}, $args{cidr}, $args{cidr}, $args{rdepth}));
[77]	749	} else {
[554]	750	# "normal" case
	751	$dbh->do("DELETE FROM freeblocks WHERE cidr=? AND rdepth=?", undef, ($args{cidr}, $args{rdepth}));
	752	}
[77]	753
[554]	754	# Insert the allocations entry
	755	$dbh->do("INSERT INTO allocations ".
	756	"(cidr,parent,vrf,rdepth,custid,type,city,description,notes,circuitid,privdata)".
	757	" VALUES (?,?,?,?,?,?,?,?,?,?,?)", undef,
	758	($args{cidr}, $fparent, $args{vrf}, $args{rdepth}, $args{custid}, $args{type}, $args{city},
	759	$args{desc}, $args{notes}, $args{circid}, $args{privdata}) );
[79]	760
[554]	761	# And initialize the pool, if necessary
	762	# PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
	763	# "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
	764	if ($args{type} =~ /^.p$/) {
	765	$msg = "Could not initialize IPs in new $disp_alloctypes{$args{type}} $args{cidr}";
	766	my ($code,$rmsg) = initPool($dbh, $args{cidr}, $args{type}, $args{city}, "all");
	767	die $rmsg if $code eq 'FAIL';
	768	} elsif ($args{type} =~ /^.d$/) {
	769	$msg = "Could not initialize IPs in new $disp_alloctypes{$args{type}} $args{cidr}";
	770	my ($code,$rmsg) = initPool($dbh, $args{cidr}, $args{type}, $args{city}, "normal");
	771	die $rmsg if $code eq 'FAIL';
	772	}
[79]	773
[397]	774	# node hack
[554]	775	if ($args{nodeid} && $args{nodeid} ne '') {
	776	$dbh->do("INSERT INTO noderef (block,node_id) VALUES (?,?)", undef, ($args{cidr}, $args{nodeid}) );
[397]	777	}
	778	# end node hack
[77]	779	$dbh->commit;
[78]	780	}; # end of eval
[77]	781	if ($@) {
[157]	782	$msg .= ": ".$@;
[77]	783	eval { $dbh->rollback; };
[157]	784	return ('FAIL',$msg);
[77]	785	} else {
[78]	786	return ('OK',"OK");
	787	}
[77]	788
	789	} else { # cidr != alloc_from
	790
	791	# Hard case. Allocation is smaller than free block.
[554]	792	my $wantmaskbits = $args{cidr}->masklen;
	793	my $maskbits = $args{alloc_from}->masklen;
[77]	794
	795	my @newfreeblocks; # Holds free blocks generated from splitting the source freeblock.
	796
	797	# This determines which blocks will be left "free" after allocation. We take the
	798	# block we're allocating from, and split it in half. We see which half the wanted
	799	# block is in, and repeat until the wanted block is equal to one of the halves.
	800	my $i=0;
[554]	801	my $tmp_from = $args{alloc_from}; # So we don't munge $args{alloc_from}
[77]	802	while ($maskbits++ < $wantmaskbits) {
	803	my @subblocks = $tmp_from->split($maskbits);
[554]	804	$newfreeblocks[$i++] = (($args{cidr}->within($subblocks[0])) ? $subblocks[1] : $subblocks[0]);
	805	$tmp_from = ( ($args{cidr}->within($subblocks[0])) ? $subblocks[0] : $subblocks[1] );
[77]	806	} # while
	807
	808	# Begin SQL transaction block
	809	eval {
[554]	810	$msg = "Unable to allocate $args{cidr} as '$disp_alloctypes{$args{type}}'";
[79]	811
[554]	812	# Get old freeblocks parent/depth/routed for new entries
	813	my ($fparent,$fcity,$wasrouted) = $dbh->selectrow_array("SELECT parent,city,routed FROM freeblocks".
	814	" WHERE cidr=? AND rdepth=?", undef, ($args{alloc_from}, $args{rdepth}) );
	815
[77]	816	# Delete old freeblocks entry
[554]	817	$dbh->do("DELETE FROM freeblocks WHERE cidr=? AND rdepth=?", undef, ($args{alloc_from}, $args{rdepth}) );
[77]	818
[554]	819	# Insert new list of smaller free blocks left over
	820	$sth = $dbh->prepare("INSERT INTO freeblocks (cidr,city,routed,vrf,parent,rdepth) VALUES (?,?,?,?,?,?)");
	821	foreach my $block (@newfreeblocks) {
	822	$sth->execute($block, $fcity, $wasrouted, $args{vrf}, $fparent, $args{rdepth});
	823	}
[79]	824
[554]	825	# For routed/container types, add a freeblock within the allocated block so we can subdivide it further
	826	if ($args{type} =~ /(.)[mc]/) { # rm and .c types - containers
	827	my $rtype = $1;
	828	$sth->execute($args{cidr}, $args{city}, $rtype, $args{vrf}, $args{cidr}, $args{rdepth}+1);
	829	}
[79]	830
[554]	831	# Insert the allocations entry
	832	$dbh->do("INSERT INTO allocations ".
	833	"(cidr,parent,vrf,rdepth,custid,type,city,description,notes,circuitid,privdata)".
	834	" VALUES (?,?,?,?,?,?,?,?,?,?,?)", undef,
	835	($args{cidr}, $fparent, $args{vrf}, $args{rdepth}, $args{custid}, $args{type}, $args{city},
	836	$args{desc}, $args{notes}, $args{circid}, $args{privdata}) );
[77]	837
[554]	838	# And initialize the pool, if necessary
	839	# PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
	840	# "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
	841	if ($args{type} =~ /^.p$/) {
	842	$msg = "Could not initialize IPs in new $disp_alloctypes{$args{type}} $args{cidr}";
	843	my ($code,$rmsg) = initPool($dbh, $args{cidr}, $args{type}, $args{city}, "all");
	844	die $rmsg if $code eq 'FAIL';
	845	} elsif ($args{type} =~ /^.d$/) {
	846	$msg = "Could not initialize IPs in new $disp_alloctypes{$args{type}} $args{cidr}";
	847	my ($code,$rmsg) = initPool($dbh, $args{cidr}, $args{type}, $args{city}, "normal");
	848	die $rmsg if $code eq 'FAIL';
	849	}
[77]	850
[397]	851	# node hack
[554]	852	if ($args{nodeid} && $args{nodeid} ne '') {
	853	$dbh->do("INSERT INTO noderef (block,node_id) VALUES (?,?)", undef, ($args{cidr}, $args{nodeid}) );
[397]	854	}
	855	# end node hack
[554]	856
[77]	857	$dbh->commit;
	858	}; # end eval
	859	if ($@) {
[256]	860	$msg .= ": ".$@;
[77]	861	eval { $dbh->rollback; };
[78]	862	return ('FAIL',$msg);
[77]	863	} else {
[78]	864	return ('OK',"OK");
[77]	865	}
	866
	867	} # end fullcidr != alloc_from
	868
	869	} # end static-IP vs netblock allocation
	870
	871	} # end allocateBlock()
	872
	873
	874	## IPDB::initPool()
	875	# Initializes a pool
	876	# Requires a database handle, the pool CIDR, type, city, and a parameter
	877	# indicating whether the pool should allow allocation of literally every
	878	# IP, or if it should reserve network/gateway/broadcast IPs
[78]	879	# Note that this is NOT done in a transaction, that's why it's a private
	880	# function and should ONLY EVER get called from allocateBlock()
[77]	881	sub initPool {
	882	my ($dbh,undef,$type,$city,$class) = @_;
	883	my $pool = new NetAddr::IP $_[1];
	884
[157]	885	##fixme Need to just replace 2nd char of type with i rather than capturing 1st char of type
	886	$type =~ s/[pd]$/i/;
[77]	887	my $sth;
[157]	888	my $msg;
[77]	889
[157]	890	# Trap errors so we can pass them back to the caller. Even if the
	891	# caller is only ever supposed to be local, and therefore already
	892	# trapping errors. >:(
	893	local $dbh->{AutoCommit} = 0; # These need to be local so we don't
	894	local $dbh->{RaiseError} = 1; # step on our toes by accident.
	895
	896	eval {
	897	# have to insert all pool IPs into poolips table as "unallocated".
	898	$sth = $dbh->prepare("insert into poolips (pool,ip,custid,city,type)".
[485]	899	" values ('$pool', ?, '$defcustid', ?, '$type')");
[157]	900	my @poolip_list = $pool->hostenum;
	901	if ($class eq 'all') { # (DSL-ish block - all IPs available
[246]	902	if ($pool->addr !~ /\.0$/) { # .0 causes weirdness.
[485]	903	$sth->execute($pool->addr, $city);
[246]	904	}
[157]	905	for (my $i=0; $i<=$#poolip_list; $i++) {
[485]	906	$sth->execute($poolip_list[$i]->addr, $city);
[157]	907	}
	908	$pool--;
[246]	909	if ($pool->addr !~ /\.255$/) { # .255 can cause weirdness.
[485]	910	$sth->execute($pool->addr, $city);
[246]	911	}
[157]	912	} else { # (real netblock)
	913	for (my $i=1; $i<=$#poolip_list; $i++) {
[485]	914	$sth->execute($poolip_list[$i]->addr, $city);
[157]	915	}
[77]	916	}
[157]	917	};
	918	if ($@) {
[485]	919	$msg = $@." '".$sth->errstr."'";
[157]	920	eval { $dbh->rollback; };
	921	return ('FAIL',$msg);
	922	} else {
	923	return ('OK',"OK");
[77]	924	}
	925	} # end initPool()
	926
	927
[531]	928	## IPDB::updateBlock()
	929	# Update an allocation
	930	# Takes all allocation fields in a hash
	931	sub updateBlock {
	932	my $dbh = shift;
	933	my %args = @_;
	934
	935	return ('FAIL', 'Missing block to update') if !$args{block};
	936
	937	# do it all in a transaction
	938	local $dbh->{AutoCommit} = 0;
	939	local $dbh->{RaiseError} = 1;
	940
	941	my @fieldlist;
	942	my @vallist;
	943	foreach ('custid', 'city', 'description', 'notes', 'circuitid', 'privdata') {
	944	if ($args{$_}) {
	945	push @fieldlist, $_;
	946	push @vallist, $args{$_};
	947	}
	948	}
	949
	950	my $updtable = 'allocations';
	951	my $keyfield = 'cidr';
[535]	952	if ($args{type} =~ /^(.)i$/) {
[531]	953	$updtable = 'poolips';
	954	$keyfield = 'ip';
	955	} else {
	956	## fixme: there's got to be a better way...
	957	if ($args{swip}) {
	958	if ($args{swip} eq 'on' \|\| $args{swip} eq '1' \|\| $args{swip} eq 'y') {
	959	$args{swip} = 'y';
	960	} else {
	961	$args{swip} = 'n';
	962	}
	963	}
	964	foreach ('type', 'swip') {
	965	if ($args{$_}) {
	966	push @fieldlist, $_;
	967	push @vallist, $args{$_};
	968	}
	969	}
	970	}
	971
	972	return ('FAIL', 'No fields to update') if !@fieldlist;
	973
	974	push @vallist, $args{block};
	975	my $sql = "UPDATE $updtable SET ";
	976	$sql .= join " = ?, ", @fieldlist;
	977	$sql .= " = ? WHERE $keyfield = ?";
	978
	979	eval {
	980	# do the update
	981	$dbh->do($sql, undef, @vallist);
	982
	983	if ($args{node}) {
	984	# done with delete/insert so we don't have to worry about funkyness updating a node ref that isn't there
	985	$dbh->do("DELETE FROM noderef WHERE block = ?", undef, ($args{block}) );
	986	$dbh->do("INSERT INTO noderef (block,node_id) VALUES (?,?)", undef, ($args{block}, $args{node}) );
	987	}
	988
	989	$dbh->commit;
	990	};
	991	if ($@) {
	992	my $msg = $@;
	993	$dbh->rollback;
	994	return ('FAIL', $msg);
	995	}
	996	return 0;
	997	} # end updateBlock()
	998
	999
[93]	1000	## IPDB::deleteBlock()
	1001	# Removes an allocation from the database, including deleting IPs
	1002	# from poolips and recombining entries in freeblocks if possible
	1003	# Also handles "deleting" a static IP allocation, and removal of a master
[558]	1004	# Requires a database handle, the block to delete, the routing depth (if applicable),
	1005	# and the VRF ID
[93]	1006	sub deleteBlock {
[558]	1007	my ($dbh,undef,$rdepth,$vrf) = @_;
[93]	1008	my $cidr = new NetAddr::IP $_[1];
	1009
[558]	1010	# For possible auto-VRF-ignoring (since public IPs shouldn't usually be present in more than one VRF)
	1011	# is_rfc1918 requires NetAddr::IP >= 4.059
	1012	# rather than doing this over and over and over.....
	1013	my $tmpnum = $cidr->numeric;
	1014	# 192.168.0.0/16 -> 192.168.255.255 => 3232235520 -> 3232301055
	1015	# 172.16.0.0/12 -> 172.31.255.255 => 2886729728 -> 2887778303
	1016	# 10.0.0.0/8 -> 10.255.255.255 => 167772160 -> 184549375
	1017	my $isprivnet = (3232235520 <= $tmpnum && $tmpnum <= 3232301055) \|\|
	1018	(2886729728 <= $tmpnum && $tmpnum <= 2887778303) \|\|
	1019	(167772160 <= $tmpnum && $tmpnum <= 184549375);
	1020
[93]	1021	my $sth;
	1022
[349]	1023	# Magic variables used for odd allocation cases.
	1024	my $container;
	1025	my $con_type;
	1026
[558]	1027	# Collect info about the block we're going to delete
	1028	my $binfo = getBlockData($dbh, $cidr, $rdepth, $vrf);
	1029
	1030	# temporarily forced null, until a sane UI for VRF tracking can be found.
	1031	$vrf = '';# if !$vrf; # as with SQL, the null value is not equal to ''. sigh
	1032
[93]	1033	# To contain the error message, if any.
[558]	1034	my $msg = "Unknown error deallocating $binfo->{type} $cidr";
	1035	my $goback; # to put the parent in so we can link back where the deallocate started
	1036
[93]	1037	# Enable transactions and exception-on-errors... but only for this sub
	1038	local $dbh->{AutoCommit} = 0;
	1039	local $dbh->{RaiseError} = 1;
	1040
	1041	# First case. The "block" is a static IP
	1042	# Note that we still need some additional code in the odd case
	1043	# of a netblock-aligned contiguous group of static IPs
[558]	1044	if ($binfo->{type} =~ /^.i$/) {
[93]	1045
	1046	eval {
[558]	1047	$msg = "Unable to deallocate $disp_alloctypes{$binfo->{type}} $cidr";
	1048	my ($pool,$pcust,$pvrf) = $dbh->selectrow_array("SELECT pool,custid,vrf FROM poolips WHERE ip=?", undef, ($cidr) );
	1049	##fixme: VRF and rdepth
	1050	$dbh->do("UPDATE poolips SET custid=?,available='y',".
	1051	"city=(SELECT city FROM allocations WHERE cidr=?),".
	1052	"description='',notes='',circuitid='',vrf=? WHERE ip=?", undef, ($pcust, $pool, $pvrf, $cidr) );
	1053	$goback = $pool;
[93]	1054	$dbh->commit;
	1055	};
	1056	if ($@) {
[558]	1057	$msg .= ": $@";
[93]	1058	eval { $dbh->rollback; };
	1059	return ('FAIL',$msg);
	1060	} else {
	1061	return ('OK',"OK");
	1062	}
	1063
[558]	1064	} elsif ($binfo->{type} eq 'mm') { # end alloctype =~ /.i/
[93]	1065
[558]	1066	##fixme: VRF limit
[93]	1067	$msg = "Unable to delete master block $cidr";
	1068	eval {
[558]	1069	$dbh->do("DELETE FROM masterblocks WHERE cidr = ?", undef, ($cidr) );
	1070	$dbh->do("DELETE FROM allocations WHERE cidr <<= ?", undef, ($cidr) );
	1071	$dbh->do("DELETE FROM freeblocks WHERE cidr <<= ?", undef, ($cidr) );
[93]	1072	$dbh->commit;
	1073	};
	1074	if ($@) {
[558]	1075	$msg .= ": $@";
[93]	1076	eval { $dbh->rollback; };
	1077	return ('FAIL', $msg);
	1078	} else {
	1079	return ('OK',"OK");
	1080	}
	1081
	1082	} else { # end alloctype master block case
	1083
	1084	## This is a big block; but it HAS to be done in a chunk. Any removal
	1085	## of a netblock allocation may result in a larger chunk of free
	1086	## contiguous IP space - which may in turn be combined into a single
	1087	## netblock rather than a number of smaller netblocks.
	1088
[558]	1089	my $retcode = 'OK';
	1090
[93]	1091	eval {
	1092
[558]	1093	##fixme: add recursive flag to allow "YES DAMMIT DELETE ALL EVARYTHING!!1!!" without
	1094	# explicitly deleting any suballocations of the block to be deleted.
[93]	1095
[558]	1096	# find the current parent of the block we're deleting
	1097	my ($parent) = $dbh->selectrow_array("SELECT parent FROM allocations WHERE cidr=? AND rdepth=?",
	1098	undef, ($cidr, $rdepth) );
[93]	1099
[558]	1100	# Delete the block
	1101	$dbh->do("DELETE FROM allocations WHERE cidr=? AND rdepth=?", undef, ($cidr, $rdepth) );
[349]	1102
[558]	1103	##fixme: we could maybe eliminate a special case if we put masterblocks in the allocations table...?
	1104	my ($ptype,$pcity);
	1105	if ($rdepth == 1) {
	1106	# parent is a master block.
	1107	$ptype = 'mm';
	1108	$pcity = '<NULL>';
	1109	} else {
	1110	# get that parent's details
	1111	($ptype,$pcity) = $dbh->selectrow_array("SELECT type,city FROM allocations ".
	1112	"WHERE cidr=? AND rdepth=?", undef, ($parent, $rdepth-1) );
	1113	}
[186]	1114
[558]	1115	# munge the parent type a little
	1116	$ptype = (split //, $ptype)[0];
[93]	1117
[558]	1118	##fixme: you can't... CAN NOT.... assign the same public IP to multiple things.
	1119	# 'Net don't work like that, homey. Restrict VRF-uniqueness to private IPs?
	1120	# -> $isprivnet flag from start of sub
[93]	1121
[558]	1122	my $fbrdepth = $rdepth;
[404]	1123
[558]	1124	# check to see if any container allocations could be the "true" parent
	1125	my ($tparent,$trdepth,$trtype,$tcity) = $dbh->selectrow_array("SELECT cidr,rdepth,type,city FROM allocations ".
	1126	"WHERE (type='rm' OR type LIKE '_c') AND cidr >> ? ".
	1127	"ORDER BY masklen(cidr) DESC", undef, ($cidr) );
[404]	1128
[558]	1129	my $fparent;
	1130	if ($tparent && $tparent ne $parent) {
	1131	# found an alternate parent; reset some parent-info bits
	1132	$parent = $tparent;
	1133	$ptype = (split //, $trtype)[0];
	1134	$pcity = $tcity;
	1135	##fixme: hmm. collect $rdepth into $goback here before vanishing?
	1136	$retcode = 'WARN'; # may be redundant
	1137	$goback = $tparent;
	1138	# munge freeblock rdepth and parent to match true parent
	1139	$dbh->do("UPDATE freeblocks SET rdepth = ?, parent = ?, routed = ? WHERE cidr <<= ? AND rdepth = ?", undef,
	1140	($trdepth+1, $parent, $ptype, $cidr, $rdepth) );
	1141	$rdepth = $trdepth;
	1142	$fbrdepth = $trdepth+1;
	1143	}
	1144
	1145	$parent = new NetAddr::IP $parent;
	1146	$goback = "$parent,$fbrdepth"; # breadcrumb in case of live-parent-is-not-true-parent
	1147
	1148	# Special case - delete pool IPs
	1149	if ($binfo->{type} =~ /^.[pd]$/) {
	1150	# We have to delete the IPs from the pool listing.
	1151	##fixme: rdepth? vrf?
	1152	$dbh->do("DELETE FROM poolips WHERE pool = ?", undef, ($cidr) );
	1153	}
	1154
	1155	# Find out if the block we're deallocating is within a DSL pool (legacy goo)
	1156	my ($pool,$poolcity,$pooltype,$pooldepth) = $dbh->selectrow_array(
	1157	"SELECT cidr,city,type,rdepth FROM allocations WHERE type LIKE '_p' AND cidr >>= ?",
	1158	undef, ($cidr) );
	1159
	1160	# If so, return the block's IPs to the pool, instead of to freeblocks
	1161	## NB: not possible to currently cause this even via admin tools, only legacy data.
	1162	if ($pool) {
	1163	## Deallocate legacy blocks stashed in the middle of a static IP pool
	1164	## This may be expandable to an even more general case of contained netblock, or other pool types.
	1165	$retcode = 'WARNPOOL';
	1166	$goback = "$pool,$pooldepth";
[428]	1167	# We've already deleted the block, now we have to stuff its IPs into the pool.
	1168	$pooltype =~ s/p$/i/; # change type to static IP
[558]	1169	my $sth2 = $dbh->prepare("INSERT INTO poolips (pool,ip,city,type,custid) VALUES ".
[428]	1170	"('$pool',?,'$poolcity','$pooltype','$defcustid')");
[558]	1171	# don't insert .0
[429]	1172	##fixme: need to not insert net, gateway, and bcast on "real netblock" pools (DHCPish)
[428]	1173	$sth2->execute($cidr->addr) unless $cidr->addr =~ m\|\.0$\|;
	1174	foreach my $ip ($cidr->hostenum) {
[558]	1175	$sth2->execute($ip);
[428]	1176	}
	1177	$cidr--;
	1178	# don't insert .255
	1179	$sth2->execute($cidr->addr) unless $cidr->addr =~ m\|\.255$\|;
	1180	} else { # done returning IPs from a block to a static DSL pool
[93]	1181
[558]	1182	# If the block wasn't legacy goo embedded in a static pool, we check the
	1183	# freeblocks in the identified parent to see if we can combine any of them.
[93]	1184
[559]	1185	# if the block to be deleted is a container, move its freeblock(s) up a level, and reset their parenting info
	1186	if ($binfo->{type} =~ /^.[mc]/) {
	1187	# move the freeblocks into the parent
	1188	# we don't insert a new freeblock because there could be a live reparented sub.
	1189	$dbh->do("UPDATE freeblocks SET rdepth=rdepth-1,parent=?,routed=?,city=? ".
	1190	"WHERE parent=? AND rdepth=?", undef,
	1191	($parent, $ptype, $pcity, $cidr, $rdepth+1) );
	1192	} else {
	1193	# ... otherwise, add the freeblock
	1194	$dbh->do("INSERT INTO freeblocks (cidr, city, routed, parent, rdepth) VALUES (?,?,?,?,?)", undef,
	1195	($cidr, $pcity, $ptype, $parent, $rdepth) );
	1196	}
	1197
[558]	1198	##fixme: vrf
	1199	# set up the query to get the list of blocks to try to merge.
	1200	$sth = $dbh->prepare("SELECT cidr FROM freeblocks ".
	1201	"WHERE parent = ? AND routed = ? AND rdepth = ? ".
	1202	"ORDER BY masklen(cidr) DESC");
[428]	1203
[558]	1204	$sth->execute($parent, $ptype, $fbrdepth);
	1205
[93]	1206	# NetAddr::IP->compact() attempts to produce the smallest inclusive block
	1207	# from the caller and the passed terms.
	1208	# EG: if you call $cidr->compact($ip1,$ip2,$ip3) when $cidr, $ip1, $ip2,
	1209	# and $ip3 are consecutive /27's starting on .0 (.0-.31, .32-.63,
	1210	# .64-.95, and .96-.128), you will get an array containing a single
	1211	# /25 as element 0 (.0-.127). Order is not important; you could have
	1212	# $cidr=.32/27, $ip1=.96/27, $ip2=.0/27, and $ip3=.64/27.
	1213
[558]	1214	my (@rawfb, @combinelist);
[428]	1215	my $i=0;
[558]	1216	# for each free block under $parent, push a NetAddr::IP object into one list, and
	1217	# continuously use NetAddr::IP->compact to automagically merge netblocks as possible.
[428]	1218	while (my @data = $sth->fetchrow_array) {
	1219	my $testIP = new NetAddr::IP $data[0];
[558]	1220	push @rawfb, $testIP;
	1221	@combinelist = $testIP->compact(@combinelist);
[93]	1222	}
	1223
[558]	1224	# now that we have the full list of "compacted" freeblocks, go back over
	1225	# the list of raw freeblocks, and delete the ones that got merged.
	1226	$sth = $dbh->prepare("DELETE FROM freeblocks WHERE cidr=? AND parent=? AND rdepth=?");
	1227	foreach my $rawfree (@rawfb) {
	1228	next if grep { $rawfree == $_ } @combinelist; # skip if the raw block is in the compacted list
	1229	$sth->execute($rawfree, $parent, $fbrdepth);
	1230	}
[93]	1231
[558]	1232	# now we walk the new list of compacted blocks, and see which ones we need to insert
	1233	$sth = $dbh->prepare("INSERT INTO freeblocks (cidr,city,routed,parent,rdepth) VALUES (?,?,?,?,?)");
	1234	foreach my $cme (@combinelist) {
	1235	next if grep { $cme == $_ } @rawfb; # skip if the combined block was in the raw list
	1236	$sth->execute($cme, $pcity, $ptype, $parent, $fbrdepth);
[428]	1237	}
[93]	1238
[428]	1239	} # done returning IPs to the appropriate place
[404]	1240
[93]	1241	# If we got here, we've succeeded. Whew!
	1242	$dbh->commit;
	1243	}; # end eval
	1244	if ($@) {
[558]	1245	$msg .= ": $@";
[93]	1246	eval { $dbh->rollback; };
	1247	return ('FAIL', $msg);
	1248	} else {
[558]	1249	return ($retcode, $goback);
[93]	1250	}
	1251
	1252	} # end alloctype != netblock
	1253
	1254	} # end deleteBlock()
	1255
	1256
[370]	1257	## IPDB::getBlockData()
[557]	1258	# Get CIDR or IP, custid, type, city, circuit ID, description, notes, modification time,
	1259	# private/restricted data, for a CIDR block or pool IP
	1260	# Also returns SWIP status flag for CIDR blocks or pool netblock for IPs
	1261	# Takes the block/IP to look up, routing depth, and VRF identifier
	1262	# Returns a hashref to the block data
[370]	1263	sub getBlockData {
	1264	my $dbh = shift;
	1265	my $block = shift;
[557]	1266	my $rdepth = shift;
	1267	my $vrf = shift \|\| '';
[370]	1268
[534]	1269	my $cidr = new NetAddr::IP $block;
	1270
[557]	1271	# better way to find IP allocations vs /32 "netblocks"
	1272	my $btype = $dbh->selectrow_array("SELECT type FROM searchme WHERE cidr=?", undef, ($block) );
[534]	1273
[557]	1274	if (defined($rdepth) && $rdepth == 0) {
	1275	# Only master blocks exist at rdepth 0
	1276	my $binfo = $dbh->selectrow_hashref("SELECT cidr AS block, 'mm' AS type, 0 AS parent, cidr,".
	1277	" ctime, mtime, rwhois, vrf".
	1278	" FROM masterblocks WHERE cidr = ? AND vrf = ?", undef, ($block, $vrf) );
	1279	return $binfo;
	1280	} elsif ($btype =~ /^.i$/) {
	1281	my $binfo = $dbh->selectrow_hashref("SELECT ip AS block, custid, type, city, circuitid, description,".
	1282	" notes, modifystamp AS lastmod, privdata, vrf, pool, rdepth".
	1283	" FROM poolips WHERE ip = ? AND vrf = ?", undef, ($block, $vrf) );
	1284	return $binfo;
	1285	} else {
	1286	my $binfo = $dbh->selectrow_hashref("SELECT cidr AS block, parent, custid, type, city, circuitid, ".
	1287	"description, notes, modifystamp AS lastmod, privdata, vrf, swip, rdepth".
	1288	" FROM allocations WHERE cidr = ? AND rdepth = ?", undef, ($block, $rdepth) );
	1289	# " FROM allocations WHERE cidr = ? AND rdepth = ? AND vrf = ?", undef, ($block, $rdepth, $vrf) );
	1290	return $binfo;
[534]	1291	}
[370]	1292	} # end getBlockData()
	1293
	1294
[519]	1295	## IPDB::getNodeList()
	1296	# Gets a list of node ID+name pairs as an arrayref to a list of hashrefs
	1297	sub getNodeList {
	1298	my $dbh = shift;
	1299
	1300	my $ret = $dbh->selectall_arrayref("SELECT node_id, node_name FROM nodes ORDER BY node_type,node_id",
	1301	{ Slice => {} });
	1302	return $ret;
	1303	} # end getNodeList()
	1304
	1305
[530]	1306	## IPDB::getNodeName()
	1307	# Get node name from the ID
	1308	sub getNodeName {
	1309	my $dbh = shift;
	1310	my $nid = shift;
	1311
	1312	my ($nname) = $dbh->selectrow_array("SELECT node_name FROM nodes WHERE node_id = ?", undef, ($nid) );
	1313	return $nname;
	1314	} # end getNodeName()
	1315
	1316
	1317	## IPDB::getNodeInfo()
	1318	# Get node name and ID associated with a block
	1319	sub getNodeInfo {
	1320	my $dbh = shift;
	1321	my $block = shift;
	1322
	1323	my ($nid, $nname) = $dbh->selectrow_array("SELECT nodes.node_id,node_name FROM nodes INNER JOIN noderef".
	1324	" ON nodes.node_id=noderef.node_id WHERE noderef.block = ?", undef, ($block) );
	1325	return ($nid, $nname);
	1326	} # end getNodeInfo()
	1327
	1328
[77]	1329	## IPDB::mailNotify()
[66]	1330	# Sends notification mail to recipients regarding an IPDB operation
[416]	1331	sub mailNotify {
	1332	my $dbh = shift;
	1333	my ($action,$subj,$message) = @_;
[66]	1334
[462]	1335	return if $smtphost eq 'smtp.example.com'; # do nothing if still using default SMTP host.
	1336
[422]	1337	##fixme: need to redesign the breakdown/processing for $action for proper handling of all cases
	1338
[416]	1339	# split action into parts for fiddlement. nb: there are almost certainly better ways to do this.
[422]	1340	my @actionbits = split //, $action;
[416]	1341
	1342	# want to notify anyone who has specifically requested notify on this type ($action as passed),
	1343	# on "all static IP types" or "all pool types" (and other last-char-in-type groupings), on eg "all DSL types",
	1344	# and "all events with this action"
	1345	my @actionsets = ($action);
	1346	##fixme: ick, eww. really gotta find a better way to handle this...
	1347	push @actionsets, ($actionbits[0].'.'.$actionbits[2],
	1348	$actionbits[0].$actionbits[1].'.', $actionbits[0].'a') if $action =~ /^.{3}$/;
	1349
	1350	my $mailer = Net::SMTP->new($smtphost, Hello => "ipdb.$domain");
	1351
	1352	# get recip list from db
	1353	my $sth = $dbh->prepare("SELECT reciplist FROM notify WHERE action=?");
	1354
[443]	1355	my %reciplist;
[416]	1356	foreach (@actionsets) {
[426]	1357	$sth->execute($_);
[416]	1358	##fixme - need to handle db errors
	1359	my ($recipsub) = $sth->fetchrow_array;
	1360	next if !$recipsub;
	1361	foreach (split(/,/, $recipsub)) {
[443]	1362	$reciplist{$_}++;
[416]	1363	}
	1364	}
	1365
[443]	1366	return if !%reciplist;
[420]	1367
[443]	1368	foreach my $recip (keys %reciplist) {
[416]	1369	$mailer->mail("ipdb\@$domain");
	1370	$mailer->to($recip);
[422]	1371	$mailer->data("From: \"$org_name IP Database\" <ipdb\@$domain>\n",
[135]	1372	"To: $recip\n",
[69]	1373	"Date: ".strftime("%a, %d %b %Y %H:%M:%S %z",localtime)."\n",
	1374	"Subject: {IPDB} $subj\n",
	1375	"X-Mailer: IPDB Notify v".sprintf("%.1d",$IPDB::VERSION)."\n",
[417]	1376	"Organization: $org_name\n",
[69]	1377	"\n$message\n");
[416]	1378	}
[66]	1379	$mailer->quit;
	1380	}
	1381
[4]	1382	# Indicates module loaded OK. Required by Perl.
	1383	1;

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