| 1 | # ipdb/cgi-bin/IPDB.pm
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| 2 | # Contains functions for IPDB - database access, subnet mangling, block allocation, etc
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| 3 | ###
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| 4 | # SVN revision info
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| 5 | # $Date: 2012-10-24 20:34:36 +0000 (Wed, 24 Oct 2012) $
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| 6 | # SVN revision $Rev: 528 $
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| 7 | # Last update by $Author: kdeugau $
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| 8 | ###
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| 9 | # Copyright (C) 2004-2010 - Kris Deugau
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| 10 |
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| 11 | package IPDB;
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| 12 |
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| 13 | use strict;
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| 14 | use warnings;
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| 15 | use Exporter;
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| 16 | use DBI;
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| 17 | use Net::SMTP;
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| 18 | use NetAddr::IP qw( Compact );
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| 19 | use POSIX;
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| 20 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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| 21 |
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| 22 | $VERSION = 2; ##VERSION##
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| 23 | @ISA = qw(Exporter);
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| 24 | @EXPORT_OK = qw(
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| 25 | %disp_alloctypes %list_alloctypes %def_custids @citylist @poplist @masterblocks
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| 26 | %allocated %free %routed %bigfree %IPDBacl %aclmsg
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| 27 | &initIPDBGlobals &connectDB &finish &checkDBSanity
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| 28 | &addMaster
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| 29 | &listSummary &listMaster &listRBlock &listFree &listPool
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| 30 | &getRoutedCity
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| 31 | &allocateBlock &deleteBlock &getBlockData
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| 32 | &getNodeList
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| 33 | &mailNotify
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| 34 | );
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| 35 |
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| 36 | @EXPORT = (); # Export nothing by default.
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| 37 | %EXPORT_TAGS = ( ALL => [qw(
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| 38 | %disp_alloctypes %list_alloctypes %def_custids @citylist @poplist
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| 39 | @masterblocks %allocated %free %routed %bigfree %IPDBacl %aclmsg
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| 40 | &initIPDBGlobals &connectDB &finish &checkDBSanity
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| 41 | &addMaster
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| 42 | &listSummary &listMaster &listRBlock &listFree &listPool
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| 43 | &getRoutedCity
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| 44 | &allocateBlock &deleteBlock &getBlockData
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| 45 | &getNodeList
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| 46 | &mailNotify
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| 47 | )]
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| 48 | );
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| 49 |
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| 50 | ##
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| 51 | ## Global variables
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| 52 | ##
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| 53 | our %disp_alloctypes;
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| 54 | our %list_alloctypes;
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| 55 | our %def_custids;
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| 56 | our @citylist;
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| 57 | our @poplist;
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| 58 | our @masterblocks;
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| 59 | our %allocated;
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| 60 | our %free;
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| 61 | our %routed;
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| 62 | our %bigfree;
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| 63 | our %IPDBacl;
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| 64 |
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| 65 | # mapping table for functional-area => error message
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| 66 | our %aclmsg = (
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| 67 | addmaster => 'add a master block',
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| 68 | addblock => 'add an allocation',
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| 69 | updateblock => 'update a block',
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| 70 | delblock => 'delete an allocation',
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| 71 | );
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| 72 |
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| 73 | our $org_name = 'Example Corp';
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| 74 | our $smtphost = 'smtp.example.com';
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| 75 | our $domain = 'example.com';
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| 76 | our $defcustid = '5554242';
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| 77 | # mostly for rwhois
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| 78 | ##fixme: leave these blank by default?
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| 79 | our $rwhoisDataPath = '/usr/local/rwhoisd/etc/rwhoisd'; # to match ./configure defaults from rwhoisd-1.5.9.6
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| 80 | our $org_street = '123 4th Street';
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| 81 | our $org_city = 'Anytown';
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| 82 | our $org_prov_state = 'ON';
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| 83 | our $org_pocode = 'H0H 0H0';
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| 84 | our $org_country = 'CA';
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| 85 | our $org_phone = '000-555-1234';
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| 86 | our $org_techhandle = 'ISP-ARIN-HANDLE';
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| 87 | our $org_email = 'noc@example.com';
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| 88 | our $hostmaster = 'dns@example.com';
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| 89 |
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| 90 | our $syslog_facility = 'local2';
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| 91 |
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| 92 | # Let's initialize the globals.
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| 93 | ## IPDB::initIPDBGlobals()
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| 94 | # Initialize all globals. Takes a database handle, returns a success or error code
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| 95 | sub initIPDBGlobals {
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| 96 | my $dbh = $_[0];
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| 97 | my $sth;
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| 98 |
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| 99 | # Initialize alloctypes hashes
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| 100 | $sth = $dbh->prepare("select type,listname,dispname,listorder,def_custid from alloctypes order by listorder");
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| 101 | $sth->execute;
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| 102 | while (my @data = $sth->fetchrow_array) {
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| 103 | $disp_alloctypes{$data[0]} = $data[2];
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| 104 | $def_custids{$data[0]} = $data[4];
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| 105 | if ($data[3] < 900) {
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| 106 | $list_alloctypes{$data[0]} = $data[1];
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| 107 | }
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| 108 | }
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| 109 |
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| 110 | # City and POP listings
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| 111 | $sth = $dbh->prepare("select city,routing from cities order by city");
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| 112 | $sth->execute;
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| 113 | return (undef,$sth->errstr) if $sth->err;
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| 114 | while (my @data = $sth->fetchrow_array) {
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| 115 | push @citylist, $data[0];
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| 116 | if ($data[1] eq 'y') {
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| 117 | push @poplist, $data[0];
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| 118 | }
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| 119 | }
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| 120 |
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| 121 | # Master block list
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| 122 | $sth = $dbh->prepare("select cidr from masterblocks order by cidr");
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| 123 | $sth->execute;
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| 124 | return (undef,$sth->errstr) if $sth->err;
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| 125 | for (my $i=0; my @data = $sth->fetchrow_array(); $i++) {
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| 126 | $masterblocks[$i] = new NetAddr::IP $data[0];
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| 127 | $allocated{"$masterblocks[$i]"} = 0;
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| 128 | $free{"$masterblocks[$i]"} = 0;
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| 129 | $bigfree{"$masterblocks[$i]"} = 128; # Larger number means smaller block.
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| 130 | # Set to 128 to prepare for IPv6
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| 131 | $routed{"$masterblocks[$i]"} = 0;
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| 132 | }
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| 133 |
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| 134 | # Load ACL data. Specific username checks are done at a different level.
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| 135 | $sth = $dbh->prepare("select username,acl from users");
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| 136 | $sth->execute;
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| 137 | return (undef,$sth->errstr) if $sth->err;
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| 138 | while (my @data = $sth->fetchrow_array) {
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| 139 | $IPDBacl{$data[0]} = $data[1];
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| 140 | }
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| 141 |
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| 142 | ##fixme: initialize HTML::Template env var for template path
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| 143 | # something like $self->path().'/templates' ?
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| 144 | # $ENV{HTML_TEMPLATE_ROOT} = 'foo/bar';
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| 145 |
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| 146 | return (1,"OK");
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| 147 | } # end initIPDBGlobals
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| 148 |
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| 149 |
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| 150 | ## IPDB::connectDB()
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| 151 | # Creates connection to IPDB.
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| 152 | # Requires the database name, username, and password.
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| 153 | # Returns a handle to the db.
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| 154 | # Set up for a PostgreSQL db; could be any transactional DBMS with the
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| 155 | # right changes.
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| 156 | sub connectDB {
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| 157 | my $dbname = shift;
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| 158 | my $user = shift;
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| 159 | my $pass = shift;
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| 160 | my $dbhost = shift;
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| 161 |
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| 162 | my $dbh;
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| 163 | my $DSN = "DBI:Pg:".($dbhost ? "host=$dbhost;" : '')."dbname=$dbname";
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| 164 |
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| 165 | # Note that we want to autocommit by default, and we will turn it off locally as necessary.
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| 166 | # We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
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| 167 | $dbh = DBI->connect($DSN, $user, $pass, {
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| 168 | AutoCommit => 1,
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| 169 | PrintError => 0
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| 170 | })
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| 171 | or return (undef, $DBI::errstr) if(!$dbh);
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| 172 |
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| 173 | # Return here if we can't select. Note that this indicates a
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| 174 | # problem executing the select.
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| 175 | my $sth = $dbh->prepare("select type from alloctypes");
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| 176 | $sth->execute();
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| 177 | return (undef,$DBI::errstr) if ($sth->err);
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| 178 |
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| 179 | # See if the select returned anything (or null data). This should
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| 180 | # succeed if the select executed, but...
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| 181 | $sth->fetchrow();
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| 182 | return (undef,$DBI::errstr) if ($sth->err);
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| 183 |
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| 184 | # If we get here, we should be OK.
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| 185 | return ($dbh,"DB connection OK");
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| 186 | } # end connectDB
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| 187 |
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| 188 |
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| 189 | ## IPDB::finish()
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| 190 | # Cleans up after database handles and so on.
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| 191 | # Requires a database handle
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| 192 | sub finish {
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| 193 | my $dbh = $_[0];
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| 194 | $dbh->disconnect if $dbh;
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| 195 | } # end finish
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| 196 |
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| 197 |
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| 198 | ## IPDB::checkDBSanity()
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| 199 | # Quick check to see if the db is responding. A full integrity
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| 200 | # check will have to be a separate tool to walk the IP allocation trees.
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| 201 | sub checkDBSanity {
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| 202 | my ($dbh) = $_[0];
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| 203 |
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| 204 | if (!$dbh) {
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| 205 | print "No database handle, or connection has been closed.";
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| 206 | return -1;
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| 207 | } else {
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| 208 | # it connects, try a stmt.
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| 209 | my $sth = $dbh->prepare("select type from alloctypes");
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| 210 | my $err = $sth->execute();
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| 211 |
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| 212 | if ($sth->fetchrow()) {
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| 213 | # all is well.
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| 214 | return 1;
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| 215 | } else {
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| 216 | print "Connected to the database, but could not execute test statement. ".$sth->errstr();
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| 217 | return -1;
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| 218 | }
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| 219 | }
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| 220 | # Clean up after ourselves.
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| 221 | # $dbh->disconnect;
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| 222 | } # end checkDBSanity
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| 223 |
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| 224 |
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| 225 | ## IPDB::addMaster()
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| 226 | # Does all the magic necessary to sucessfully add a master block
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| 227 | # Requires database handle, block to add
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| 228 | # Returns failure code and error message or success code and "message"
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| 229 | sub addMaster {
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| 230 | my $dbh = shift;
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| 231 | my $cidr = new NetAddr::IP shift;
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| 232 |
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| 233 | # Allow transactions, and raise an exception on errors so we can catch it later.
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| 234 | # Use local to make sure these get "reset" properly on exiting this block
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| 235 | local $dbh->{AutoCommit} = 0;
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| 236 | local $dbh->{RaiseError} = 1;
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| 237 |
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| 238 | # Wrap all the SQL in a transaction
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| 239 | eval {
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| 240 | my ($mexist) = $dbh->selectrow_array("SELECT cidr FROM masterblocks WHERE cidr <<= ?", undef, ($cidr) );
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| 241 |
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| 242 | if (!$mexist) {
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| 243 | # First case - master is brand-spanking-new.
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| 244 | ##fixme: rwhois should be globally-flagable somewhere, much like a number of other things
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| 245 | ## maybe a db table called "config"?
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| 246 | $dbh->do("INSERT INTO masterblocks (cidr,rwhois) VALUES (?,?)", undef, ($cidr,'y') );
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| 247 |
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| 248 | # Unrouted blocks aren't associated with a city (yet). We don't rely on this
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| 249 | # elsewhere though; legacy data may have traps and pitfalls in it to break this.
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| 250 | # Thus the "routed" flag.
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| 251 | $dbh->do("INSERT INTO freeblocks (cidr,maskbits,city,routed) VALUES (?,?,?,?)", undef,
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| 252 | ($cidr, $cidr->masklen, '<NULL>', 'n') );
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| 253 |
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| 254 | # If we get here, everything is happy. Commit changes.
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| 255 | $dbh->commit;
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| 256 |
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| 257 | } # done new master does not contain existing master(s)
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| 258 | else {
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| 259 |
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| 260 | # collect the master(s) we're going to absorb, and snag the longest netmask while we're at it.
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| 261 | my $smallmask = $cidr->masklen;
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| 262 | my $sth = $dbh->prepare("SELECT cidr FROM masterblocks WHERE cidr <<= ?");
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| 263 | $sth->execute($cidr);
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| 264 | my @cmasters;
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| 265 | while (my @data = $sth->fetchrow_array) {
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| 266 | my $master = new NetAddr::IP $data[0];
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| 267 | push @cmasters, $master;
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| 268 | $smallmask = $master->masklen if $master->masklen > $smallmask;
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| 269 | }
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| 270 |
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| 271 | # split the new master, and keep only those blocks not part of an existing master
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| 272 | my @blocklist;
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| 273 | foreach my $seg ($cidr->split($smallmask)) {
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| 274 | my $contained = 0;
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| 275 | foreach my $master (@cmasters) {
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| 276 | $contained = 1 if $master->contains($seg);
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| 277 | }
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| 278 | push @blocklist, $seg if !$contained;
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| 279 | }
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| 280 |
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| 281 | # collect the unrouted free blocks within the new master
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| 282 | $sth = $dbh->prepare("SELECT cidr FROM freeblocks WHERE maskbits <= ? AND cidr <<= ? AND routed = 'n'");
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| 283 | $sth->execute($smallmask, $cidr);
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| 284 | while (my @data = $sth->fetchrow_array) {
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| 285 | my $freeblock = new NetAddr::IP $data[0];
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| 286 | push @blocklist, $freeblock;
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| 287 | }
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| 288 |
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| 289 | # combine the set of free blocks we should have now.
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| 290 | @blocklist = Compact(@blocklist);
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| 291 |
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| 292 | # and now insert the new data. Make sure to delete old masters too.
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| 293 |
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| 294 | # freeblocks
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| 295 | $sth = $dbh->prepare("DELETE FROM freeblocks WHERE cidr <<= ?");
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| 296 | my $sth2 = $dbh->prepare("INSERT INTO freeblocks (cidr,maskbits,city,routed) VALUES (?,?,'<NULL>','n')");
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| 297 | foreach my $newblock (@blocklist) {
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| 298 | $sth->execute($newblock);
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| 299 | $sth2->execute($newblock, $newblock->masklen);
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| 300 | }
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| 301 |
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| 302 | # master
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| 303 | $dbh->do("DELETE FROM masterblocks WHERE cidr <<= ?", undef, ($cidr) );
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| 304 | $dbh->do("INSERT INTO masterblocks (cidr,rwhois) VALUES (?,?)", undef, ($cidr, 'y') );
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| 305 |
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| 306 | # *whew* If we got here, we likely suceeded.
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| 307 | $dbh->commit;
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| 308 | } # new master contained existing master(s)
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| 309 | }; # end eval
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| 310 |
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| 311 | if ($@) {
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| 312 | my $msg = $@;
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| 313 | eval { $dbh->rollback; };
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| 314 | return ('FAIL',$msg);
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| 315 | } else {
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| 316 | return ('OK','OK');
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| 317 | }
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| 318 | } # end addMaster
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| 319 |
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| 320 |
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| 321 | ## IPDB::listSummary()
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| 322 | # Get summary list of all master blocks
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| 323 | # Returns an arrayref to a list of hashrefs containing the master block, routed count,
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| 324 | # allocated count, free count, and largest free block masklength
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| 325 | sub listSummary {
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| 326 | my $dbh = shift;
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| 327 |
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| 328 | my $mlist = $dbh->selectall_arrayref("SELECT cidr AS master FROM masterblocks ORDER BY cidr", { Slice => {} });
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| 329 |
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| 330 | foreach (@{$mlist}) {
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| 331 | my ($rcnt) = $dbh->selectrow_array("SELECT count(*) FROM routed WHERE cidr <<= ?", undef, ($$_{master}));
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| 332 | $$_{routed} = $rcnt;
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| 333 | my ($acnt) = $dbh->selectrow_array("SELECT count(*) FROM allocations WHERE cidr <<= ?", undef, ($$_{master}));
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| 334 | $$_{allocated} = $acnt;
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| 335 | my ($fcnt) = $dbh->selectrow_array("SELECT count(*) FROM freeblocks WHERE cidr <<= ?".
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| 336 | " AND (routed='y' OR routed='n')", undef, ($$_{master}));
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| 337 | $$_{free} = $fcnt;
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| 338 | my ($bigfree) = $dbh->selectrow_array("SELECT maskbits FROM freeblocks WHERE cidr <<= ?".
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| 339 | " AND (routed='y' OR routed='n') ORDER BY maskbits LIMIT 1", undef, ($$_{master}));
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| 340 | ##fixme: should find a way to do this without having to HTMLize the <>
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| 341 | $bigfree = "/$bigfree" if $bigfree;
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| 342 | $bigfree = '<NONE>' if !$bigfree;
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| 343 | $$_{bigfree} = $bigfree;
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| 344 | }
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| 345 | return $mlist;
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| 346 | } # end listSummary()
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| 347 |
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| 348 |
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| 349 | ## IPDB::listMaster()
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| 350 | # Get list of routed blocks in the requested master
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| 351 | # Returns an arrayref to a list of hashrefs containing the routed block, POP/city the block is routed to,
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| 352 | # allocated count, free count, and largest free block masklength
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| 353 | sub listMaster {
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| 354 | my $dbh = shift;
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| 355 | my $master = shift;
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| 356 |
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| 357 | my $rlist = $dbh->selectall_arrayref("SELECT cidr AS block,city FROM routed WHERE cidr <<= ? ORDER BY cidr",
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| 358 | { Slice => {} }, ($master) );
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| 359 |
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| 360 | foreach (@{$rlist}) {
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| 361 | my ($acnt) = $dbh->selectrow_array("SELECT count(*) FROM allocations WHERE cidr <<= ?", undef, ($$_{block}));
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| 362 | $$_{nsubs} = $acnt;
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| 363 | my ($fcnt) = $dbh->selectrow_array("SELECT count(*) FROM freeblocks WHERE cidr <<= ?".
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| 364 | " AND (routed='y' OR routed='n')", undef, ($$_{block}));
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| 365 | $$_{nfree} = $fcnt;
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| 366 | my ($bigfree) = $dbh->selectrow_array("SELECT maskbits FROM freeblocks WHERE cidr <<= ?".
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| 367 | " AND (routed='y' OR routed='n') ORDER BY maskbits LIMIT 1", undef, ($$_{block}));
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| 368 | ##fixme: should find a way to do this without having to HTMLize the <>
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| 369 | $bigfree = "/$bigfree" if $bigfree;
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| 370 | $bigfree = '<NONE>' if !$bigfree;
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| 371 | $$_{lfree} = $bigfree;
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| 372 | }
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| 373 | return $rlist;
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| 374 | } # end listMaster()
|
|---|
| 375 |
|
|---|
| 376 |
|
|---|
| 377 | ## IPDB::listRBlock()
|
|---|
| 378 | # Gets a list of free blocks in the requested parent/master in both CIDR and range notation
|
|---|
| 379 | # Takes a parent/master and an optional flag to look at routed or unrouted blocks, depending
|
|---|
| 380 | # on whether the master is a direct master or a routed block
|
|---|
| 381 | # Returns an arrayref to a list of hashrefs containing the CIDR and range-notation blocks
|
|---|
| 382 | sub listRBlock {
|
|---|
| 383 | my $dbh = shift;
|
|---|
| 384 | my $routed = shift;
|
|---|
| 385 |
|
|---|
| 386 | # Snag the allocations for this block
|
|---|
| 387 | my $sth = $dbh->prepare("SELECT cidr,city,type,custid,swip,description".
|
|---|
| 388 | " FROM allocations WHERE cidr <<= ? ORDER BY cidr");
|
|---|
| 389 | $sth->execute($routed);
|
|---|
| 390 |
|
|---|
| 391 | # hack hack hack
|
|---|
| 392 | # set up to flag swip=y records if they don't actually have supporting data in the customers table
|
|---|
| 393 | my $custsth = $dbh->prepare("SELECT count(*) FROM customers WHERE custid = ?");
|
|---|
| 394 |
|
|---|
| 395 | my @blocklist;
|
|---|
| 396 | while (my ($cidr,$city,$type,$custid,$swip,$desc) = $sth->fetchrow_array()) {
|
|---|
| 397 | $custsth->execute($custid);
|
|---|
| 398 | my ($ncust) = $custsth->fetchrow_array();
|
|---|
| 399 | my %row = (
|
|---|
| 400 | block => $cidr,
|
|---|
| 401 | city => $city,
|
|---|
| 402 | type => $disp_alloctypes{$type},
|
|---|
| 403 | custid => $custid,
|
|---|
| 404 | swip => ($swip eq 'y' ? 'Yes' : 'No'),
|
|---|
| 405 | partswip => ($swip eq 'y' && $ncust == 0 ? 1 : 0),
|
|---|
| 406 | desc => $desc
|
|---|
| 407 | );
|
|---|
| 408 | $row{subblock} = ($type =~ /^.r$/); # hmf. wonder why these won't work in the hash declaration...
|
|---|
| 409 | $row{listpool} = ($type =~ /^.[pd]$/);
|
|---|
| 410 | push (@blocklist, \%row);
|
|---|
| 411 | }
|
|---|
| 412 | return \@blocklist;
|
|---|
| 413 | } # end listRBlock()
|
|---|
| 414 |
|
|---|
| 415 |
|
|---|
| 416 | ## IPDB::listFree()
|
|---|
| 417 | # Gets a list of free blocks in the requested parent/master in both CIDR and range notation
|
|---|
| 418 | # Takes a parent/master and an optional "routed or unrouted" flag that defaults to unrouted.
|
|---|
| 419 | # Returns an arrayref to a list of hashrefs containing the CIDR and range-notation blocks
|
|---|
| 420 | # Returns some extra flags in the hashrefs for routed blocks, since those can have several subtypes
|
|---|
| 421 | sub listFree {
|
|---|
| 422 | my $dbh = shift;
|
|---|
| 423 | my $master = shift;
|
|---|
| 424 | my $routed = shift || 'n';
|
|---|
| 425 |
|
|---|
| 426 | # do it this way so we can waste a little less time iterating
|
|---|
| 427 | my $sth = $dbh->prepare("SELECT cidr,routed FROM freeblocks WHERE cidr <<= ? AND ".
|
|---|
| 428 | ($routed eq 'n' ? '' : 'NOT')." routed = 'n' ORDER BY cidr");
|
|---|
| 429 | $sth->execute($master);
|
|---|
| 430 | my @flist;
|
|---|
| 431 | while (my ($cidr,$rtype) = $sth->fetchrow_array()) {
|
|---|
| 432 | $cidr = new NetAddr::IP $cidr;
|
|---|
| 433 | my %row = (
|
|---|
| 434 | fblock => "$cidr",
|
|---|
| 435 | frange => $cidr->range,
|
|---|
| 436 | );
|
|---|
| 437 | if ($routed eq 'y') {
|
|---|
| 438 | $row{subblock} = ($rtype ne 'y' && $rtype ne 'n');
|
|---|
| 439 | $row{fbtype} = $rtype;
|
|---|
| 440 | }
|
|---|
| 441 | push @flist, \%row;
|
|---|
| 442 | }
|
|---|
| 443 | return \@flist;
|
|---|
| 444 | } # end listFree()
|
|---|
| 445 |
|
|---|
| 446 |
|
|---|
| 447 | ## IPDB::listPool()
|
|---|
| 448 | #
|
|---|
| 449 | sub listPool {
|
|---|
| 450 | my $dbh = shift;
|
|---|
| 451 | my $pool = shift;
|
|---|
| 452 |
|
|---|
| 453 | my $sth = $dbh->prepare("SELECT ip,custid,available,description,type".
|
|---|
| 454 | " FROM poolips WHERE pool = ? ORDER BY ip");
|
|---|
| 455 | $sth->execute($pool);
|
|---|
| 456 | my @poolips;
|
|---|
| 457 | while (my ($ip,$custid,$available,$desc,$type) = $sth->fetchrow_array) {
|
|---|
| 458 | my %row = (
|
|---|
| 459 | ip => $ip,
|
|---|
| 460 | custid => $custid,
|
|---|
| 461 | available => $available,
|
|---|
| 462 | desc => $desc,
|
|---|
| 463 | delme => $available eq 'n'
|
|---|
| 464 | );
|
|---|
| 465 | push @poolips, \%row;
|
|---|
| 466 | }
|
|---|
| 467 | return \@poolips;
|
|---|
| 468 | } # end listPool()
|
|---|
| 469 |
|
|---|
| 470 |
|
|---|
| 471 | ## IPDB::getRoutedCity()
|
|---|
| 472 | # Get the city for a routed block.
|
|---|
| 473 | sub getRoutedCity {
|
|---|
| 474 | my $dbh = shift;
|
|---|
| 475 | my $block = shift;
|
|---|
| 476 |
|
|---|
| 477 | my ($rcity) = $dbh->selectrow_array("SELECT city FROM routed WHERE cidr = ?", undef, ($block) );
|
|---|
| 478 | return $rcity;
|
|---|
| 479 | } # end getRoutedCity()
|
|---|
| 480 |
|
|---|
| 481 |
|
|---|
| 482 | ## IPDB::allocateBlock()
|
|---|
| 483 | # Does all of the magic of actually allocating a netblock
|
|---|
| 484 | # Requires database handle, block to allocate, custid, type, city,
|
|---|
| 485 | # description, notes, circuit ID, block to allocate from, private data
|
|---|
| 486 | # Returns a success code and optional error message.
|
|---|
| 487 | sub allocateBlock {
|
|---|
| 488 | my ($dbh,undef,undef,$custid,$type,$city,$desc,$notes,$circid,$privdata,$nodeid) = @_;
|
|---|
| 489 |
|
|---|
| 490 | my $cidr = new NetAddr::IP $_[1];
|
|---|
| 491 | my $alloc_from = new NetAddr::IP $_[2];
|
|---|
| 492 | my $sth;
|
|---|
| 493 |
|
|---|
| 494 | $desc = '' if !$desc;
|
|---|
| 495 | $notes = '' if !$notes;
|
|---|
| 496 | $circid = '' if !$circid;
|
|---|
| 497 | $privdata = '' if !$privdata;
|
|---|
| 498 |
|
|---|
| 499 | # Snag the "type" of the freeblock (alloc_from) "just in case"
|
|---|
| 500 | $sth = $dbh->prepare("select routed from freeblocks where cidr='$alloc_from'");
|
|---|
| 501 | $sth->execute;
|
|---|
| 502 | my ($alloc_from_type) = $sth->fetchrow_array;
|
|---|
| 503 |
|
|---|
| 504 | # To contain the error message, if any.
|
|---|
| 505 | my $msg = "Unknown error allocating $cidr as '$type'";
|
|---|
| 506 |
|
|---|
| 507 | # Enable transactions and error handling
|
|---|
| 508 | local $dbh->{AutoCommit} = 0; # These need to be local so we don't
|
|---|
| 509 | local $dbh->{RaiseError} = 1; # step on our toes by accident.
|
|---|
| 510 |
|
|---|
| 511 | if ($type =~ /^.i$/) {
|
|---|
| 512 | $msg = "Unable to assign static IP $cidr to $custid";
|
|---|
| 513 | eval {
|
|---|
| 514 | # We have to do this in two parts because otherwise we lose
|
|---|
| 515 | # the ability to return the IP assigned. Should that change,
|
|---|
| 516 | # the commented SQL statement below may become usable.
|
|---|
| 517 | # update poolips set custid='$custid',city='$city',available='n',
|
|---|
| 518 | # description='$desc',notes='$notes',circuitid='$circid'
|
|---|
| 519 | # where ip=(select ip from poolips where pool='$alloc_from'
|
|---|
| 520 | # and available='y' order by ip limit 1);
|
|---|
| 521 |
|
|---|
| 522 | $sth = $dbh->prepare("select ip from poolips where pool='$alloc_from'".
|
|---|
| 523 | " and available='y' order by ip");
|
|---|
| 524 | $sth->execute;
|
|---|
| 525 |
|
|---|
| 526 | my @data = $sth->fetchrow_array;
|
|---|
| 527 | $cidr = $data[0]; # $cidr is already declared when we get here!
|
|---|
| 528 |
|
|---|
| 529 | $sth = $dbh->prepare("update poolips set custid=?,city=?,".
|
|---|
| 530 | "available='n',description=?,notes=?,circuitid=?,privdata=?".
|
|---|
| 531 | " where ip=?");
|
|---|
| 532 | $sth->execute($custid, $city, $desc, $notes, $circid, $privdata, "$cidr");
|
|---|
| 533 | # node hack
|
|---|
| 534 | if ($nodeid && $nodeid ne '') {
|
|---|
| 535 | $sth = $dbh->prepare("INSERT INTO noderef (block,node_id) VALUES (?,?)");
|
|---|
| 536 | $sth->execute("$cidr",$nodeid);
|
|---|
| 537 | }
|
|---|
| 538 | # end node hack
|
|---|
| 539 | $dbh->commit;
|
|---|
| 540 | };
|
|---|
| 541 | if ($@) {
|
|---|
| 542 | $msg .= ": '".$sth->errstr."'";
|
|---|
| 543 | eval { $dbh->rollback; };
|
|---|
| 544 | return ('FAIL',$msg);
|
|---|
| 545 | } else {
|
|---|
| 546 | return ('OK',"$cidr");
|
|---|
| 547 | }
|
|---|
| 548 |
|
|---|
| 549 | } else { # end IP-from-pool allocation
|
|---|
| 550 |
|
|---|
| 551 | if ($cidr == $alloc_from) {
|
|---|
| 552 | # Easiest case- insert in one table, delete in the other, and go home. More or less.
|
|---|
| 553 | # insert into allocations values (cidr,custid,type,city,desc) and
|
|---|
| 554 | # delete from freeblocks where cidr='cidr'
|
|---|
| 555 | # For data safety on non-transaction DBs, we delete first.
|
|---|
| 556 |
|
|---|
| 557 | eval {
|
|---|
| 558 | $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
|
|---|
| 559 | if ($type eq 'rm') {
|
|---|
| 560 | $sth = $dbh->prepare("update freeblocks set routed='y',city='$city'".
|
|---|
| 561 | " where cidr='$cidr'");
|
|---|
| 562 | $sth->execute;
|
|---|
| 563 | $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
|
|---|
| 564 | " values ('$cidr',".$cidr->masklen.",'$city')");
|
|---|
| 565 | $sth->execute;
|
|---|
| 566 | } else {
|
|---|
| 567 | # common stuff for end-use, dialup, dynDSL, pools, etc, etc.
|
|---|
| 568 |
|
|---|
| 569 | # special case - block is a container/"reserve" block
|
|---|
| 570 | if ($type =~ /^(.)c$/) {
|
|---|
| 571 | $sth = $dbh->prepare("update freeblocks set routed='$1' where cidr='$cidr'");
|
|---|
| 572 | $sth->execute;
|
|---|
| 573 | } else {
|
|---|
| 574 | # "normal" case
|
|---|
| 575 | $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
|
|---|
| 576 | $sth->execute;
|
|---|
| 577 | }
|
|---|
| 578 | $sth = $dbh->prepare("insert into allocations".
|
|---|
| 579 | " (cidr,custid,type,city,description,notes,maskbits,circuitid,privdata)".
|
|---|
| 580 | " values (?,?,?,?,?,?,?,?,?)");
|
|---|
| 581 | $sth->execute("$cidr", $custid, $type, $city, $desc, $notes, $cidr->masklen, $circid, $privdata);
|
|---|
| 582 |
|
|---|
| 583 | # And initialize the pool, if necessary
|
|---|
| 584 | # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
|
|---|
| 585 | # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
|
|---|
| 586 | if ($type =~ /^.p$/) {
|
|---|
| 587 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 588 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
|
|---|
| 589 | die $rmsg if $code eq 'FAIL';
|
|---|
| 590 | } elsif ($type =~ /^.d$/) {
|
|---|
| 591 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 592 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
|
|---|
| 593 | die $rmsg if $code eq 'FAIL';
|
|---|
| 594 | }
|
|---|
| 595 |
|
|---|
| 596 | } # routing vs non-routing netblock
|
|---|
| 597 |
|
|---|
| 598 | # node hack
|
|---|
| 599 | if ($nodeid && $nodeid ne '') {
|
|---|
| 600 | $sth = $dbh->prepare("INSERT INTO noderef (block,node_id) VALUES (?,?)");
|
|---|
| 601 | $sth->execute("$cidr",$nodeid);
|
|---|
| 602 | }
|
|---|
| 603 | # end node hack
|
|---|
| 604 | $dbh->commit;
|
|---|
| 605 | }; # end of eval
|
|---|
| 606 | if ($@) {
|
|---|
| 607 | $msg .= ": ".$@;
|
|---|
| 608 | eval { $dbh->rollback; };
|
|---|
| 609 | return ('FAIL',$msg);
|
|---|
| 610 | } else {
|
|---|
| 611 | return ('OK',"OK");
|
|---|
| 612 | }
|
|---|
| 613 |
|
|---|
| 614 | } else { # cidr != alloc_from
|
|---|
| 615 |
|
|---|
| 616 | # Hard case. Allocation is smaller than free block.
|
|---|
| 617 | my $wantmaskbits = $cidr->masklen;
|
|---|
| 618 | my $maskbits = $alloc_from->masklen;
|
|---|
| 619 |
|
|---|
| 620 | my @newfreeblocks; # Holds free blocks generated from splitting the source freeblock.
|
|---|
| 621 |
|
|---|
| 622 | # This determines which blocks will be left "free" after allocation. We take the
|
|---|
| 623 | # block we're allocating from, and split it in half. We see which half the wanted
|
|---|
| 624 | # block is in, and repeat until the wanted block is equal to one of the halves.
|
|---|
| 625 | my $i=0;
|
|---|
| 626 | my $tmp_from = $alloc_from; # So we don't munge $alloc_from
|
|---|
| 627 | while ($maskbits++ < $wantmaskbits) {
|
|---|
| 628 | my @subblocks = $tmp_from->split($maskbits);
|
|---|
| 629 | $newfreeblocks[$i++] = (($cidr->within($subblocks[0])) ? $subblocks[1] : $subblocks[0]);
|
|---|
| 630 | $tmp_from = ( ($cidr->within($subblocks[0])) ? $subblocks[0] : $subblocks[1] );
|
|---|
| 631 | } # while
|
|---|
| 632 |
|
|---|
| 633 | # Begin SQL transaction block
|
|---|
| 634 | eval {
|
|---|
| 635 | $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
|
|---|
| 636 |
|
|---|
| 637 | # Delete old freeblocks entry
|
|---|
| 638 | $sth = $dbh->prepare("delete from freeblocks where cidr='$alloc_from'");
|
|---|
| 639 | $sth->execute();
|
|---|
| 640 |
|
|---|
| 641 | # now we have to do some magic for routing blocks
|
|---|
| 642 | if ($type eq 'rm') {
|
|---|
| 643 |
|
|---|
| 644 | # Insert the new freeblocks entries
|
|---|
| 645 | # Note that non-routed blocks are assigned to <NULL>
|
|---|
| 646 | # and use the default value for the routed column ('n')
|
|---|
| 647 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
|
|---|
| 648 | " values (?, ?, '<NULL>')");
|
|---|
| 649 | foreach my $block (@newfreeblocks) {
|
|---|
| 650 | $sth->execute("$block", $block->masklen);
|
|---|
| 651 | }
|
|---|
| 652 |
|
|---|
| 653 | # Insert the entry in the routed table
|
|---|
| 654 | $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
|
|---|
| 655 | " values ('$cidr',".$cidr->masklen.",'$city')");
|
|---|
| 656 | $sth->execute;
|
|---|
| 657 | # Insert the (almost) same entry in the freeblocks table
|
|---|
| 658 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| 659 | " values ('$cidr',".$cidr->masklen.",'$city','y')");
|
|---|
| 660 | $sth->execute;
|
|---|
| 661 |
|
|---|
| 662 | } else { # done with alloctype == rm
|
|---|
| 663 |
|
|---|
| 664 | # Insert the new freeblocks entries
|
|---|
| 665 | # Along with some more HairyPerl(TM):
|
|---|
| 666 | # if $alloc_type_from is p
|
|---|
| 667 | # OR
|
|---|
| 668 | # $type matches /^(.)r$/
|
|---|
| 669 | # inserted value for routed column should match.
|
|---|
| 670 | # This solves the case of inserting an arbitrary block into a
|
|---|
| 671 | # "Reserve-for-routed-DSL" block. Which you really shouldn't
|
|---|
| 672 | # do in the first place, but anyway...
|
|---|
| 673 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| 674 | " values (?, ?, (select city from routed where cidr >>= '$cidr'),'".
|
|---|
| 675 | ( ( ($alloc_from_type =~ /^(p)$/) || ($type =~ /^(.)r$/) ) ? "$1" : 'y')."')");
|
|---|
| 676 | foreach my $block (@newfreeblocks) {
|
|---|
| 677 | $sth->execute("$block", $block->masklen);
|
|---|
| 678 | }
|
|---|
| 679 | # Special-case for reserve/"container" blocks - generate
|
|---|
| 680 | # the "extra" freeblocks entry for the container
|
|---|
| 681 | if ($type =~ /^(.)c$/) {
|
|---|
| 682 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| 683 | " values ('$cidr',".$cidr->masklen.",'$city','$1')");
|
|---|
| 684 | $sth->execute;
|
|---|
| 685 | }
|
|---|
| 686 | # Insert the allocations entry
|
|---|
| 687 | $sth = $dbh->prepare("insert into allocations (cidr,custid,type,city,".
|
|---|
| 688 | "description,notes,maskbits,circuitid,privdata)".
|
|---|
| 689 | " values (?,?,?,?,?,?,?,?,?)");
|
|---|
| 690 | $sth->execute("$cidr", $custid, $type, $city, $desc, $notes, $cidr->masklen, $circid, $privdata);
|
|---|
| 691 |
|
|---|
| 692 | # And initialize the pool, if necessary
|
|---|
| 693 | # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
|
|---|
| 694 | # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
|
|---|
| 695 | if ($type =~ /^.p$/) {
|
|---|
| 696 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 697 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
|
|---|
| 698 | die $rmsg if $code eq 'FAIL';
|
|---|
| 699 | } elsif ($type =~ /^.d$/) {
|
|---|
| 700 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 701 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
|
|---|
| 702 | die $rmsg if $code eq 'FAIL';
|
|---|
| 703 | }
|
|---|
| 704 |
|
|---|
| 705 | } # done with netblock alloctype != rm
|
|---|
| 706 |
|
|---|
| 707 | # node hack
|
|---|
| 708 | if ($nodeid && $nodeid ne '') {
|
|---|
| 709 | $sth = $dbh->prepare("INSERT INTO noderef (block,node_id) VALUES (?,?)");
|
|---|
| 710 | $sth->execute("$cidr",$nodeid);
|
|---|
| 711 | }
|
|---|
| 712 | # end node hack
|
|---|
| 713 | $dbh->commit;
|
|---|
| 714 | }; # end eval
|
|---|
| 715 | if ($@) {
|
|---|
| 716 | $msg .= ": ".$@;
|
|---|
| 717 | eval { $dbh->rollback; };
|
|---|
| 718 | return ('FAIL',$msg);
|
|---|
| 719 | } else {
|
|---|
| 720 | return ('OK',"OK");
|
|---|
| 721 | }
|
|---|
| 722 |
|
|---|
| 723 | } # end fullcidr != alloc_from
|
|---|
| 724 |
|
|---|
| 725 | } # end static-IP vs netblock allocation
|
|---|
| 726 |
|
|---|
| 727 | } # end allocateBlock()
|
|---|
| 728 |
|
|---|
| 729 |
|
|---|
| 730 | ## IPDB::initPool()
|
|---|
| 731 | # Initializes a pool
|
|---|
| 732 | # Requires a database handle, the pool CIDR, type, city, and a parameter
|
|---|
| 733 | # indicating whether the pool should allow allocation of literally every
|
|---|
| 734 | # IP, or if it should reserve network/gateway/broadcast IPs
|
|---|
| 735 | # Note that this is NOT done in a transaction, that's why it's a private
|
|---|
| 736 | # function and should ONLY EVER get called from allocateBlock()
|
|---|
| 737 | sub initPool {
|
|---|
| 738 | my ($dbh,undef,$type,$city,$class) = @_;
|
|---|
| 739 | my $pool = new NetAddr::IP $_[1];
|
|---|
| 740 |
|
|---|
| 741 | ##fixme Need to just replace 2nd char of type with i rather than capturing 1st char of type
|
|---|
| 742 | $type =~ s/[pd]$/i/;
|
|---|
| 743 | my $sth;
|
|---|
| 744 | my $msg;
|
|---|
| 745 |
|
|---|
| 746 | # Trap errors so we can pass them back to the caller. Even if the
|
|---|
| 747 | # caller is only ever supposed to be local, and therefore already
|
|---|
| 748 | # trapping errors. >:(
|
|---|
| 749 | local $dbh->{AutoCommit} = 0; # These need to be local so we don't
|
|---|
| 750 | local $dbh->{RaiseError} = 1; # step on our toes by accident.
|
|---|
| 751 |
|
|---|
| 752 | eval {
|
|---|
| 753 | # have to insert all pool IPs into poolips table as "unallocated".
|
|---|
| 754 | $sth = $dbh->prepare("insert into poolips (pool,ip,custid,city,type)".
|
|---|
| 755 | " values ('$pool', ?, '$defcustid', ?, '$type')");
|
|---|
| 756 | my @poolip_list = $pool->hostenum;
|
|---|
| 757 | if ($class eq 'all') { # (DSL-ish block - *all* IPs available
|
|---|
| 758 | if ($pool->addr !~ /\.0$/) { # .0 causes weirdness.
|
|---|
| 759 | $sth->execute($pool->addr, $city);
|
|---|
| 760 | }
|
|---|
| 761 | for (my $i=0; $i<=$#poolip_list; $i++) {
|
|---|
| 762 | $sth->execute($poolip_list[$i]->addr, $city);
|
|---|
| 763 | }
|
|---|
| 764 | $pool--;
|
|---|
| 765 | if ($pool->addr !~ /\.255$/) { # .255 can cause weirdness.
|
|---|
| 766 | $sth->execute($pool->addr, $city);
|
|---|
| 767 | }
|
|---|
| 768 | } else { # (real netblock)
|
|---|
| 769 | for (my $i=1; $i<=$#poolip_list; $i++) {
|
|---|
| 770 | $sth->execute($poolip_list[$i]->addr, $city);
|
|---|
| 771 | }
|
|---|
| 772 | }
|
|---|
| 773 | };
|
|---|
| 774 | if ($@) {
|
|---|
| 775 | $msg = $@." '".$sth->errstr."'";
|
|---|
| 776 | eval { $dbh->rollback; };
|
|---|
| 777 | return ('FAIL',$msg);
|
|---|
| 778 | } else {
|
|---|
| 779 | return ('OK',"OK");
|
|---|
| 780 | }
|
|---|
| 781 | } # end initPool()
|
|---|
| 782 |
|
|---|
| 783 |
|
|---|
| 784 | ## IPDB::deleteBlock()
|
|---|
| 785 | # Removes an allocation from the database, including deleting IPs
|
|---|
| 786 | # from poolips and recombining entries in freeblocks if possible
|
|---|
| 787 | # Also handles "deleting" a static IP allocation, and removal of a master
|
|---|
| 788 | # Requires a database handle, the block to delete, and the type of block
|
|---|
| 789 | sub deleteBlock {
|
|---|
| 790 | my ($dbh,undef,$type) = @_;
|
|---|
| 791 | my $cidr = new NetAddr::IP $_[1];
|
|---|
| 792 |
|
|---|
| 793 | my $sth;
|
|---|
| 794 |
|
|---|
| 795 | # Magic variables used for odd allocation cases.
|
|---|
| 796 | my $container;
|
|---|
| 797 | my $con_type;
|
|---|
| 798 |
|
|---|
| 799 | # To contain the error message, if any.
|
|---|
| 800 | my $msg = "Unknown error deallocating $type $cidr";
|
|---|
| 801 | # Enable transactions and exception-on-errors... but only for this sub
|
|---|
| 802 | local $dbh->{AutoCommit} = 0;
|
|---|
| 803 | local $dbh->{RaiseError} = 1;
|
|---|
| 804 |
|
|---|
| 805 | # First case. The "block" is a static IP
|
|---|
| 806 | # Note that we still need some additional code in the odd case
|
|---|
| 807 | # of a netblock-aligned contiguous group of static IPs
|
|---|
| 808 | if ($type =~ /^.i$/) {
|
|---|
| 809 |
|
|---|
| 810 | eval {
|
|---|
| 811 | $msg = "Unable to deallocate $disp_alloctypes{$type} $cidr";
|
|---|
| 812 | $sth = $dbh->prepare("update poolips set custid=?,available='y',".
|
|---|
| 813 | "city=(select city from allocations where cidr >>= ?".
|
|---|
| 814 | " order by masklen(cidr) desc limit 1),".
|
|---|
| 815 | "description='',notes='',circuitid='' where ip=?");
|
|---|
| 816 | $sth->execute($defcustid, "$cidr", "$cidr");
|
|---|
| 817 | $dbh->commit;
|
|---|
| 818 | };
|
|---|
| 819 | if ($@) {
|
|---|
| 820 | eval { $dbh->rollback; };
|
|---|
| 821 | return ('FAIL',$msg);
|
|---|
| 822 | } else {
|
|---|
| 823 | return ('OK',"OK");
|
|---|
| 824 | }
|
|---|
| 825 |
|
|---|
| 826 | } elsif ($type eq 'mm') { # end alloctype =~ /.i/
|
|---|
| 827 |
|
|---|
| 828 | $msg = "Unable to delete master block $cidr";
|
|---|
| 829 | eval {
|
|---|
| 830 | $sth = $dbh->prepare("delete from masterblocks where cidr='$cidr'");
|
|---|
| 831 | $sth->execute;
|
|---|
| 832 | $sth = $dbh->prepare("delete from freeblocks where cidr <<= '$cidr'");
|
|---|
| 833 | $sth->execute;
|
|---|
| 834 | $dbh->commit;
|
|---|
| 835 | };
|
|---|
| 836 | if ($@) {
|
|---|
| 837 | eval { $dbh->rollback; };
|
|---|
| 838 | return ('FAIL', $msg);
|
|---|
| 839 | } else {
|
|---|
| 840 | return ('OK',"OK");
|
|---|
| 841 | }
|
|---|
| 842 |
|
|---|
| 843 | } else { # end alloctype master block case
|
|---|
| 844 |
|
|---|
| 845 | ## This is a big block; but it HAS to be done in a chunk. Any removal
|
|---|
| 846 | ## of a netblock allocation may result in a larger chunk of free
|
|---|
| 847 | ## contiguous IP space - which may in turn be combined into a single
|
|---|
| 848 | ## netblock rather than a number of smaller netblocks.
|
|---|
| 849 |
|
|---|
| 850 | eval {
|
|---|
| 851 |
|
|---|
| 852 | if ($type eq 'rm') {
|
|---|
| 853 | $msg = "Unable to remove routing allocation $cidr";
|
|---|
| 854 | $sth = $dbh->prepare("delete from routed where cidr='$cidr'");
|
|---|
| 855 | $sth->execute;
|
|---|
| 856 | # Make sure block getting deleted is properly accounted for.
|
|---|
| 857 | $sth = $dbh->prepare("update freeblocks set routed='n',city='<NULL>'".
|
|---|
| 858 | " where cidr='$cidr'");
|
|---|
| 859 | $sth->execute;
|
|---|
| 860 | # Set up query to start compacting free blocks.
|
|---|
| 861 | $sth = $dbh->prepare("select cidr from freeblocks where ".
|
|---|
| 862 | "maskbits<=".$cidr->masklen." and routed='n' order by maskbits desc");
|
|---|
| 863 |
|
|---|
| 864 | } else { # end alloctype routing case
|
|---|
| 865 |
|
|---|
| 866 | # Magic. We need to get information about the containing block (if any)
|
|---|
| 867 | # so as to make sure that the freeblocks we insert get the correct "type".
|
|---|
| 868 | $sth = $dbh->prepare("select cidr,type from allocations where cidr >> '$cidr'");
|
|---|
| 869 | $sth->execute;
|
|---|
| 870 | ($container, $con_type) = $sth->fetchrow_array;
|
|---|
| 871 |
|
|---|
| 872 | # Delete all allocations within the block being deleted. This is
|
|---|
| 873 | # deliberate and correct, and removes the need to special-case
|
|---|
| 874 | # removal of "container" blocks.
|
|---|
| 875 | $sth = $dbh->prepare("delete from allocations where cidr <<='$cidr'");
|
|---|
| 876 | $sth->execute;
|
|---|
| 877 |
|
|---|
| 878 | # Special case - delete pool IPs
|
|---|
| 879 | if ($type =~ /^.[pd]$/) {
|
|---|
| 880 | # We have to delete the IPs from the pool listing.
|
|---|
| 881 | $sth = $dbh->prepare("delete from poolips where pool='$cidr'");
|
|---|
| 882 | $sth->execute;
|
|---|
| 883 | }
|
|---|
| 884 |
|
|---|
| 885 | # Set up query for compacting free blocks.
|
|---|
| 886 | if ($con_type && $con_type eq 'pc') {
|
|---|
| 887 | # Clean up after "bad" allocations (blocks that are not formally
|
|---|
| 888 | # contained which have nevertheless been allocated from a container block)
|
|---|
| 889 | # We want to make certain that the freeblocks are properly "labelled"
|
|---|
| 890 | $sth = $dbh->prepare("select cidr from freeblocks where cidr <<= '$container' order by maskbits desc");
|
|---|
| 891 | } else {
|
|---|
| 892 | # Standard deallocation.
|
|---|
| 893 | $sth = $dbh->prepare("select cidr from freeblocks where cidr <<= ".
|
|---|
| 894 | "(select cidr from routed where cidr >>= '$cidr') ".
|
|---|
| 895 | " and maskbits<=".$cidr->masklen.
|
|---|
| 896 | " and routed='".(($type =~ /^(.)r$/) ? "$1" : 'y').
|
|---|
| 897 | "' order by maskbits desc");
|
|---|
| 898 | }
|
|---|
| 899 |
|
|---|
| 900 | } # end alloctype general case
|
|---|
| 901 |
|
|---|
| 902 | ## Deallocate legacy blocks stashed in the middle of a static IP pool
|
|---|
| 903 | ## This may be expandable to an even more general case of contained netblock, or other pool types.
|
|---|
| 904 |
|
|---|
| 905 | # Find out if the block we're deallocating is within a DSL pool
|
|---|
| 906 | my $sth2 = $dbh->prepare("SELECT cidr,city,type FROM allocations WHERE type LIKE '_p' AND cidr >>= ?");
|
|---|
| 907 | $sth2->execute("$cidr");
|
|---|
| 908 | my ($pool,$poolcity,$pooltype) = $sth2->fetchrow_array;
|
|---|
| 909 |
|
|---|
| 910 | if ($pool || $sth2->rows) {
|
|---|
| 911 | # We've already deleted the block, now we have to stuff its IPs into the pool.
|
|---|
| 912 | $pooltype =~ s/p$/i/; # change type to static IP
|
|---|
| 913 | $sth2 = $dbh->prepare("INSERT INTO poolips (pool,ip,city,type,custid) values ".
|
|---|
| 914 | "('$pool',?,'$poolcity','$pooltype','$defcustid')");
|
|---|
| 915 | ##fixme: need to not insert net, gateway, and bcast on "real netblock" pools (DHCPish)
|
|---|
| 916 | # don't insert .0
|
|---|
| 917 | $sth2->execute($cidr->addr) unless $cidr->addr =~ m|\.0$|;
|
|---|
| 918 | foreach my $ip ($cidr->hostenum) {
|
|---|
| 919 | $sth2->execute("$ip");
|
|---|
| 920 | }
|
|---|
| 921 | $cidr--;
|
|---|
| 922 | # don't insert .255
|
|---|
| 923 | $sth2->execute($cidr->addr) unless $cidr->addr =~ m|\.255$|;
|
|---|
| 924 | } else { # done returning IPs from a block to a static DSL pool
|
|---|
| 925 |
|
|---|
| 926 | # Now we look for larger-or-equal-sized free blocks in the same master (routed)
|
|---|
| 927 | # (super)block. If there aren't any, we can't combine blocks anyway. If there
|
|---|
| 928 | # are, we check to see if we can combine blocks.
|
|---|
| 929 | # Execute the statement prepared in the if-else above.
|
|---|
| 930 |
|
|---|
| 931 | $sth->execute;
|
|---|
| 932 |
|
|---|
| 933 | # NetAddr::IP->compact() attempts to produce the smallest inclusive block
|
|---|
| 934 | # from the caller and the passed terms.
|
|---|
| 935 | # EG: if you call $cidr->compact($ip1,$ip2,$ip3) when $cidr, $ip1, $ip2,
|
|---|
| 936 | # and $ip3 are consecutive /27's starting on .0 (.0-.31, .32-.63,
|
|---|
| 937 | # .64-.95, and .96-.128), you will get an array containing a single
|
|---|
| 938 | # /25 as element 0 (.0-.127). Order is not important; you could have
|
|---|
| 939 | # $cidr=.32/27, $ip1=.96/27, $ip2=.0/27, and $ip3=.64/27.
|
|---|
| 940 |
|
|---|
| 941 | my (@together, @combinelist);
|
|---|
| 942 | my $i=0;
|
|---|
| 943 | while (my @data = $sth->fetchrow_array) {
|
|---|
| 944 | my $testIP = new NetAddr::IP $data[0];
|
|---|
| 945 | @together = $testIP->compact($cidr);
|
|---|
| 946 | my $num = @together;
|
|---|
| 947 | if ($num == 1) {
|
|---|
| 948 | $cidr = $together[0];
|
|---|
| 949 | $combinelist[$i++] = $testIP;
|
|---|
| 950 | }
|
|---|
| 951 | }
|
|---|
| 952 |
|
|---|
| 953 | # Clear old freeblocks entries - if any. They should all be within
|
|---|
| 954 | # the $cidr determined above.
|
|---|
| 955 | $sth = $dbh->prepare("delete from freeblocks where cidr <<='$cidr'");
|
|---|
| 956 | $sth->execute;
|
|---|
| 957 |
|
|---|
| 958 | # insert "new" freeblocks entry
|
|---|
| 959 | if ($type eq 'rm') {
|
|---|
| 960 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
|
|---|
| 961 | " values ('$cidr',".$cidr->masklen.",'<NULL>')");
|
|---|
| 962 | } else {
|
|---|
| 963 | # Magic hackery to insert "correct" data for deallocation of
|
|---|
| 964 | # non-contained blocks allocated from within a container.
|
|---|
| 965 | $type = 'pr' if $con_type && $con_type eq 'pc';
|
|---|
| 966 |
|
|---|
| 967 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| 968 | " values ('$cidr',".$cidr->masklen.
|
|---|
| 969 | ",(select city from routed where cidr >>= '$cidr'),'".
|
|---|
| 970 | (($type =~ /^(.)r$/) ? "$1" : 'y')."')");
|
|---|
| 971 | }
|
|---|
| 972 | $sth->execute;
|
|---|
| 973 |
|
|---|
| 974 | } # done returning IPs to the appropriate place
|
|---|
| 975 |
|
|---|
| 976 | # If we got here, we've succeeded. Whew!
|
|---|
| 977 | $dbh->commit;
|
|---|
| 978 | }; # end eval
|
|---|
| 979 | if ($@) {
|
|---|
| 980 | $msg = $@;
|
|---|
| 981 | eval { $dbh->rollback; };
|
|---|
| 982 | return ('FAIL', $msg);
|
|---|
| 983 | } else {
|
|---|
| 984 | return ('OK',"OK");
|
|---|
| 985 | }
|
|---|
| 986 |
|
|---|
| 987 | } # end alloctype != netblock
|
|---|
| 988 |
|
|---|
| 989 | } # end deleteBlock()
|
|---|
| 990 |
|
|---|
| 991 |
|
|---|
| 992 | ## IPDB::getBlockData()
|
|---|
| 993 | # Return custid, type, city, and description for a block
|
|---|
| 994 | sub getBlockData {
|
|---|
| 995 | my $dbh = shift;
|
|---|
| 996 | my $block = shift;
|
|---|
| 997 |
|
|---|
| 998 | my $binfo = $dbh->selectrow_hashref("SELECT cidr,custid,type,city,description FROM searchme".
|
|---|
| 999 | " WHERE cidr = ?", undef, ($block) );
|
|---|
| 1000 | return $binfo;
|
|---|
| 1001 | } # end getBlockData()
|
|---|
| 1002 |
|
|---|
| 1003 |
|
|---|
| 1004 | ## IPDB::getNodeList()
|
|---|
| 1005 | # Gets a list of node ID+name pairs as an arrayref to a list of hashrefs
|
|---|
| 1006 | sub getNodeList {
|
|---|
| 1007 | my $dbh = shift;
|
|---|
| 1008 |
|
|---|
| 1009 | my $ret = $dbh->selectall_arrayref("SELECT node_id, node_name FROM nodes ORDER BY node_type,node_id",
|
|---|
| 1010 | { Slice => {} });
|
|---|
| 1011 | return $ret;
|
|---|
| 1012 | } # end getNodeList()
|
|---|
| 1013 |
|
|---|
| 1014 |
|
|---|
| 1015 | ## IPDB::mailNotify()
|
|---|
| 1016 | # Sends notification mail to recipients regarding an IPDB operation
|
|---|
| 1017 | sub mailNotify {
|
|---|
| 1018 | my $dbh = shift;
|
|---|
| 1019 | my ($action,$subj,$message) = @_;
|
|---|
| 1020 |
|
|---|
| 1021 | return if $smtphost eq 'smtp.example.com'; # do nothing if still using default SMTP host.
|
|---|
| 1022 |
|
|---|
| 1023 | ##fixme: need to redesign the breakdown/processing for $action for proper handling of all cases
|
|---|
| 1024 |
|
|---|
| 1025 | # split action into parts for fiddlement. nb: there are almost certainly better ways to do this.
|
|---|
| 1026 | my @actionbits = split //, $action;
|
|---|
| 1027 |
|
|---|
| 1028 | # want to notify anyone who has specifically requested notify on *this* type ($action as passed),
|
|---|
| 1029 | # on "all static IP types" or "all pool types" (and other last-char-in-type groupings), on eg "all DSL types",
|
|---|
| 1030 | # and "all events with this action"
|
|---|
| 1031 | my @actionsets = ($action);
|
|---|
| 1032 | ##fixme: ick, eww. really gotta find a better way to handle this...
|
|---|
| 1033 | push @actionsets, ($actionbits[0].'.'.$actionbits[2],
|
|---|
| 1034 | $actionbits[0].$actionbits[1].'.', $actionbits[0].'a') if $action =~ /^.{3}$/;
|
|---|
| 1035 |
|
|---|
| 1036 | my $mailer = Net::SMTP->new($smtphost, Hello => "ipdb.$domain");
|
|---|
| 1037 |
|
|---|
| 1038 | # get recip list from db
|
|---|
| 1039 | my $sth = $dbh->prepare("SELECT reciplist FROM notify WHERE action=?");
|
|---|
| 1040 |
|
|---|
| 1041 | my %reciplist;
|
|---|
| 1042 | foreach (@actionsets) {
|
|---|
| 1043 | $sth->execute($_);
|
|---|
| 1044 | ##fixme - need to handle db errors
|
|---|
| 1045 | my ($recipsub) = $sth->fetchrow_array;
|
|---|
| 1046 | next if !$recipsub;
|
|---|
| 1047 | foreach (split(/,/, $recipsub)) {
|
|---|
| 1048 | $reciplist{$_}++;
|
|---|
| 1049 | }
|
|---|
| 1050 | }
|
|---|
| 1051 |
|
|---|
| 1052 | return if !%reciplist;
|
|---|
| 1053 |
|
|---|
| 1054 | foreach my $recip (keys %reciplist) {
|
|---|
| 1055 | $mailer->mail("ipdb\@$domain");
|
|---|
| 1056 | $mailer->to($recip);
|
|---|
| 1057 | $mailer->data("From: \"$org_name IP Database\" <ipdb\@$domain>\n",
|
|---|
| 1058 | "To: $recip\n",
|
|---|
| 1059 | "Date: ".strftime("%a, %d %b %Y %H:%M:%S %z",localtime)."\n",
|
|---|
| 1060 | "Subject: {IPDB} $subj\n",
|
|---|
| 1061 | "X-Mailer: IPDB Notify v".sprintf("%.1d",$IPDB::VERSION)."\n",
|
|---|
| 1062 | "Organization: $org_name\n",
|
|---|
| 1063 | "\n$message\n");
|
|---|
| 1064 | }
|
|---|
| 1065 | $mailer->quit;
|
|---|
| 1066 | }
|
|---|
| 1067 |
|
|---|
| 1068 | # Indicates module loaded OK. Required by Perl.
|
|---|
| 1069 | 1;
|
|---|
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