| [8] | 1 | # ipdb/cgi-bin/IPDB.pm
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| [66] | 2 | # Contains functions for IPDB - database access, subnet mangling, block allocation, etc
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| [8] | 3 | ###
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| 4 | # SVN revision info
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| 5 | # $Date: 2005-02-04 21:32:25 +0000 (Fri, 04 Feb 2005) $
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| 6 | # SVN revision $Rev: 153 $
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| 7 | # Last update by $Author: kdeugau $
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| 8 | ###
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| [66] | 9 | # Copyright (C) 2004 - Kris Deugau
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| [8] | 10 |
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| [4] | 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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| [77] | 16 | use DBI;
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| [66] | 17 | use Net::SMTP;
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| [68] | 18 | use POSIX;
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| [4] | 19 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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| 20 |
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| [77] | 21 | $VERSION = 2.0;
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| [4] | 22 | @ISA = qw(Exporter);
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| [106] | 23 | @EXPORT_OK = qw(
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| 24 | %disp_alloctypes %list_alloctypes @citylist @poplist @masterblocks
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| [118] | 25 | %allocated %free %routed %bigfree
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| [106] | 26 | &initIPDBGlobals &connectDB &finish &checkDBSanity &allocateBlock &deleteBlock
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| 27 | &mailNotify
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| 28 | );
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| [4] | 29 |
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| 30 | @EXPORT = (); # Export nothing by default.
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| [106] | 31 | %EXPORT_TAGS = ( ALL => [qw(
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| 32 | %disp_alloctypes %list_alloctypes @citylist @poplist @masterblocks
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| [118] | 33 | %allocated %free %routed %bigfree
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| [106] | 34 | &initIPDBGlobals &connectDB &finish &checkDBSanity &allocateBlock
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| 35 | &deleteBlock &mailNotify
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| 36 | )]
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| 37 | );
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| [4] | 38 |
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| [77] | 39 | ##
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| 40 | ## Global variables
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| 41 | ##
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| 42 | our %disp_alloctypes;
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| 43 | our %list_alloctypes;
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| [96] | 44 | our @citylist;
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| 45 | our @poplist;
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| [106] | 46 | our @masterblocks;
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| [118] | 47 | our %allocated;
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| 48 | our %free;
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| 49 | our %routed;
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| 50 | our %bigfree;
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| [66] | 51 |
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| [77] | 52 | # Let's initialize the globals.
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| 53 | ## IPDB::initIPDBGlobals()
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| 54 | # Initialize all globals. Takes a database handle, returns a success or error code
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| 55 | sub initIPDBGlobals {
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| 56 | my $dbh = $_[0];
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| 57 | my $sth;
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| 58 |
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| [106] | 59 | # Initialize alloctypes hashes
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| [147] | 60 | $sth = $dbh->prepare("select type,listname,dispname,listorder from alloctypes order by listorder");
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| [77] | 61 | $sth->execute;
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| 62 | while (my @data = $sth->fetchrow_array) {
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| [106] | 63 | $disp_alloctypes{$data[0]} = $data[2];
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| 64 | if ($data[3] < 900) {
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| 65 | $list_alloctypes{$data[0]} = $data[1];
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| 66 | }
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| [77] | 67 | }
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| [96] | 68 |
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| 69 | # City and POP listings
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| [147] | 70 | $sth = $dbh->prepare("select city,routing from cities order by city");
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| [96] | 71 | $sth->execute;
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| 72 | return (undef,$sth->errstr) if $sth->err;
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| 73 | while (my @data = $sth->fetchrow_array) {
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| [106] | 74 | push @citylist, $data[0];
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| [96] | 75 | if ($data[1] eq 'y') {
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| [106] | 76 | push @poplist, $data[0];
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| [96] | 77 | }
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| 78 | }
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| 79 |
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| [106] | 80 | # Master block list
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| [147] | 81 | $sth = $dbh->prepare("select cidr from masterblocks order by cidr");
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| [106] | 82 | $sth->execute;
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| 83 | for (my $i=0; my @data = $sth->fetchrow_array(); $i++) {
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| 84 | $masterblocks[$i] = new NetAddr::IP $data[0];
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| [118] | 85 | $allocated{"$masterblocks[$i]"} = 0;
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| 86 | $free{"$masterblocks[$i]"} = 0;
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| 87 | $bigfree{"$masterblocks[$i]"} = 128; # Larger number means smaller block.
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| 88 | # Set to 128 to prepare for IPv6
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| 89 | $routed{"$masterblocks[$i]"} = 0;
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| [106] | 90 | }
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| 91 | return (undef,$sth->errstr) if $sth->err;
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| 92 |
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| [77] | 93 | return (1,"OK");
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| 94 | } # end initIPDBGlobals
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| 95 |
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| 96 |
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| 97 | ## IPDB::connectDB()
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| [4] | 98 | # Creates connection to IPDB.
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| [77] | 99 | # Requires the database name, username, and password.
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| [4] | 100 | # Returns a handle to the db.
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| [77] | 101 | # Set up for a PostgreSQL db; could be any transactional DBMS with the
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| 102 | # right changes.
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| 103 | # This definition should be sub connectDB($$$) to be technically correct,
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| 104 | # but this breaks. GRR.
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| [4] | 105 | sub connectDB {
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| [77] | 106 | my ($dbname,$user,$pass) = @_;
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| [4] | 107 | my $dbh;
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| [77] | 108 | my $DSN = "DBI:Pg:dbname=$dbname";
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| 109 | # my $user = 'ipdb';
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| 110 | # my $pw = 'ipdbpwd';
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| [4] | 111 |
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| 112 | # Note that we want to autocommit by default, and we will turn it off locally as necessary.
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| [77] | 113 | # We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
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| 114 | $dbh = DBI->connect($DSN, $user, $pass, {
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| 115 | AutoCommit => 1,
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| 116 | PrintError => 0
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| 117 | })
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| 118 | or return (undef, $DBI::errstr) if(!$dbh);
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| [4] | 119 |
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| [77] | 120 | # Return here if we can't select. Note that this indicates a
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| 121 | # problem executing the select.
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| [147] | 122 | my $sth = $dbh->prepare("select cidr from masterblocks");
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| [77] | 123 | $sth->execute();
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| 124 | return (undef,$DBI::errstr) if ($sth->err);
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| 125 |
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| 126 | # See if the select returned anything (or null data). This should
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| 127 | # succeed if the select executed, but...
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| 128 | $sth->fetchrow();
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| 129 | return (undef,$DBI::errstr) if ($sth->err);
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| 130 |
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| 131 | # If we get here, we should be OK.
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| 132 | return ($dbh,"DB connection OK");
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| [4] | 133 | } # end connectDB
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| 134 |
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| [77] | 135 |
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| 136 | ## IPDB::finish()
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| 137 | # Cleans up after database handles and so on.
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| 138 | # Requires a database handle
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| 139 | sub finish {
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| 140 | my $dbh = $_[0];
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| 141 | $dbh->disconnect;
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| 142 | } # end finish
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| 143 |
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| 144 |
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| [106] | 145 | ## IPDB::checkDBSanity()
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| [4] | 146 | # Quick check to see if the db is responding. A full integrity
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| 147 | # check will have to be a separate tool to walk the IP allocation trees.
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| 148 | sub checkDBSanity {
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| [106] | 149 | my ($dbh) = $_[0];
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| [4] | 150 |
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| 151 | if (!$dbh) {
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| [106] | 152 | print "No database handle, or connection has been closed.";
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| 153 | return -1;
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| [4] | 154 | } else {
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| 155 | # it connects, try a stmt.
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| [147] | 156 | my $sth = $dbh->prepare("select cidr from masterblocks");
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| [4] | 157 | my $err = $sth->execute();
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| 158 |
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| 159 | if ($sth->fetchrow()) {
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| 160 | # all is well.
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| 161 | return 1;
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| 162 | } else {
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| [16] | 163 | print "Connected to the database, but could not execute test statement. ".$sth->errstr();
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| [106] | 164 | return -1;
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| [4] | 165 | }
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| 166 | }
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| 167 | # Clean up after ourselves.
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| [106] | 168 | # $dbh->disconnect;
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| [4] | 169 | } # end checkDBSanity
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| 170 |
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| [66] | 171 |
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| [77] | 172 | ## IPDB::allocateBlock()
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| [66] | 173 | # Does all of the magic of actually allocating a netblock
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| [77] | 174 | # Requires database handle, block to allocate, custid, type, city,
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| 175 | # description, notes, circuit ID, block to allocate from,
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| 176 | # Returns a success code and optional error message.
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| 177 | sub allocateBlock {
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| 178 | my ($dbh,undef,undef,$custid,$type,$city,$desc,$notes,$circid) = @_;
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| 179 |
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| 180 | my $cidr = new NetAddr::IP $_[1];
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| 181 | my $alloc_from = new NetAddr::IP $_[2];
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| 182 | my $sth;
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| [66] | 183 |
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| [79] | 184 | # To contain the error message, if any.
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| 185 | my $msg = "Unknown error allocating $cidr as '$type'";
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| 186 |
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| [77] | 187 | # Enable transactions and error handling
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| 188 | local $dbh->{AutoCommit} = 0; # These need to be local so we don't
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| 189 | local $dbh->{RaiseError} = 1; # step on our toes by accident.
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| [66] | 190 |
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| [153] | 191 | if ($type =~ /^.i$/) {
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| [79] | 192 | $msg = "Unable to assign static IP $cidr to $custid";
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| [77] | 193 | eval {
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| [147] | 194 | # We have to do this in two parts because otherwise we lose
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| 195 | # the ability to return the IP assigned. Should that change,
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| 196 | # the commented SQL statement below may become usable.
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| [77] | 197 | # update poolips set custid='$custid',city='$city',available='n',
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| 198 | # description='$desc',notes='$notes',circuitid='$circid'
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| 199 | # where ip=(select ip from poolips where pool='$alloc_from'
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| 200 | # and available='y' order by ip limit 1);
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| [147] | 201 |
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| 202 | $sth = $dbh->prepare("select ip from poolips where pool='$alloc_from'".
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| 203 | " and available='y' order by ip");
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| 204 | $sth->execute;
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| 205 |
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| [77] | 206 | my @data = $sth->fetchrow_array;
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| [147] | 207 | $cidr = $data[0]; # $cidr is already declared when we get here!
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| [77] | 208 |
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| 209 | $sth = $dbh->prepare("update poolips set custid='$custid',".
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| [108] | 210 | "city='$city',available='n',description='$desc',notes='$notes',".
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| [77] | 211 | "circuitid='$circid'".
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| 212 | " where ip='$cidr'");
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| 213 | $sth->execute;
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| [79] | 214 | $dbh->commit;
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| [77] | 215 | };
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| 216 | if ($@) {
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| [107] | 217 | $msg .= ": '".$sth->errstr."'";
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| [78] | 218 | eval { $dbh->rollback; };
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| 219 | return ('FAIL',$msg);
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| [77] | 220 | } else {
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| [106] | 221 | return ('OK',"$cidr");
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| [77] | 222 | }
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| 223 |
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| 224 | } else { # end IP-from-pool allocation
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| 225 |
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| 226 | if ($cidr == $alloc_from) {
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| 227 | # Easiest case- insert in one table, delete in the other, and go home. More or less.
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| 228 | # insert into allocations values (cidr,custid,type,city,desc) and
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| 229 | # delete from freeblocks where cidr='cidr'
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| 230 | # For data safety on non-transaction DBs, we delete first.
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| 231 |
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| 232 | eval {
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| [79] | 233 | $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
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| [77] | 234 | if ($type eq 'rr') {
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| 235 | $sth = $dbh->prepare("update freeblocks set routed='y',city='$city'".
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| 236 | " where cidr='$cidr'");
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| 237 | $sth->execute;
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| [147] | 238 | $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
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| 239 | " values ('$cidr',".$cidr->masklen.",'$city')");
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| [77] | 240 | $sth->execute;
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| 241 | } else {
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| 242 | # common stuff for end-use, dialup, dynDSL, pools, etc, etc.
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| 243 | $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
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| 244 | $sth->execute;
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| 245 |
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| [147] | 246 | $sth = $dbh->prepare("insert into allocations".
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| 247 | " (cidr,custid,type,city,description,notes,maskbits,circuitid)".
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| 248 | " values ('$cidr','$custid','$type','$city','$desc','$notes',".
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| [77] | 249 | $cidr->masklen.",'$circid')");
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| 250 | $sth->execute;
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| [78] | 251 |
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| 252 | # And initialize the pool, if necessary
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| [149] | 253 | # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
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| 254 | # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
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| [78] | 255 | if ($type =~ /^.p$/) {
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| [149] | 256 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
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| 257 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
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| 258 | die $rmsg if $code eq 'FAIL';
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| 259 | } elsif ($type =~ /^.d$/) {
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| 260 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
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| 261 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
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| 262 | die $rmsg if $code eq 'FAIL';
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| [79] | 263 | }
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| 264 |
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| [77] | 265 | } # routing vs non-routing netblock
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| [79] | 266 |
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| [77] | 267 | $dbh->commit;
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| [78] | 268 | }; # end of eval
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| [77] | 269 | if ($@) {
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| [149] | 270 | $msg .= ": ".$@;
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| [77] | 271 | eval { $dbh->rollback; };
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| [149] | 272 | return ('FAIL',$msg);
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| [77] | 273 | } else {
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| [78] | 274 | return ('OK',"OK");
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| 275 | }
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| [77] | 276 |
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| 277 | } else { # cidr != alloc_from
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| 278 |
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| 279 | # Hard case. Allocation is smaller than free block.
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| 280 | my $wantmaskbits = $cidr->masklen;
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| 281 | my $maskbits = $alloc_from->masklen;
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| 282 |
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| 283 | my @newfreeblocks; # Holds free blocks generated from splitting the source freeblock.
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| 284 |
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| 285 | # This determines which blocks will be left "free" after allocation. We take the
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| 286 | # block we're allocating from, and split it in half. We see which half the wanted
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| 287 | # block is in, and repeat until the wanted block is equal to one of the halves.
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| 288 | my $i=0;
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| 289 | my $tmp_from = $alloc_from; # So we don't munge $alloc_from
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| 290 | while ($maskbits++ < $wantmaskbits) {
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| 291 | my @subblocks = $tmp_from->split($maskbits);
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| 292 | $newfreeblocks[$i++] = (($cidr->within($subblocks[0])) ? $subblocks[1] : $subblocks[0]);
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| 293 | $tmp_from = ( ($cidr->within($subblocks[0])) ? $subblocks[0] : $subblocks[1] );
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| 294 | } # while
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| 295 |
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| 296 | # Begin SQL transaction block
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| 297 | eval {
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| [79] | 298 | $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
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| 299 |
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| [77] | 300 | # Delete old freeblocks entry
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| 301 | $sth = $dbh->prepare("delete from freeblocks where cidr='$alloc_from'");
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| 302 | $sth->execute();
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| 303 |
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| 304 | # now we have to do some magic for routing blocks
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| 305 | if ($type eq 'rr') {
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| [79] | 306 |
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| [77] | 307 | # Insert the new freeblocks entries
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| 308 | # Note that non-routed blocks are assigned to <NULL>
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| [147] | 309 | # and use the default value for the routed column ('n')
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| 310 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
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| 311 | " values (?, ?, '<NULL>')");
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| [77] | 312 | foreach my $block (@newfreeblocks) {
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| 313 | $sth->execute("$block", $block->masklen);
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| 314 | }
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| [79] | 315 |
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| [77] | 316 | # Insert the entry in the routed table
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| [147] | 317 | $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
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| 318 | " values ('$cidr',".$cidr->masklen.",'$city')");
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| [77] | 319 | $sth->execute;
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| 320 | # Insert the (almost) same entry in the freeblocks table
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| [147] | 321 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
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| 322 | " values ('$cidr',".$cidr->masklen.",'$city','y')");
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| [77] | 323 | $sth->execute;
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| 324 |
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| 325 | } else { # done with alloctype == rr
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| 326 |
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| 327 | # Insert the new freeblocks entries
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| [147] | 328 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
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| 329 | " values (?, ?, (select city from routed where cidr >>= '$cidr'),'y')");
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| [77] | 330 | foreach my $block (@newfreeblocks) {
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| 331 | $sth->execute("$block", $block->masklen);
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| 332 | }
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| [79] | 333 |
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| [77] | 334 | # Insert the allocations entry
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| [147] | 335 | $sth = $dbh->prepare("insert into allocations (cidr,custid,type,city,".
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| 336 | "description,notes,maskbits,circuitid)".
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| 337 | " values ('$cidr','$custid','$type','$city','$desc','$notes',".
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| 338 | $cidr->masklen.",'$circid')");
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| [77] | 339 | $sth->execute;
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| [78] | 340 |
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| 341 | # And initialize the pool, if necessary
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| [150] | 342 | # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
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| 343 | # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
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| [78] | 344 | if ($type =~ /^.p$/) {
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| [79] | 345 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
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| [150] | 346 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
|
|---|
| 347 | die $rmsg if $code eq 'FAIL';
|
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| 348 | } elsif ($type =~ /^.d$/) {
|
|---|
| 349 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 350 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
|
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| 351 | die $rmsg if $code eq 'FAIL';
|
|---|
| [79] | 352 | }
|
|---|
| 353 |
|
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| [77] | 354 | } # done with netblock alloctype != rr
|
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| [79] | 355 |
|
|---|
| [77] | 356 | $dbh->commit;
|
|---|
| 357 | }; # end eval
|
|---|
| 358 | if ($@) {
|
|---|
| 359 | eval { $dbh->rollback; };
|
|---|
| [78] | 360 | return ('FAIL',$msg);
|
|---|
| [77] | 361 | } else {
|
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| [78] | 362 | return ('OK',"OK");
|
|---|
| [77] | 363 | }
|
|---|
| 364 |
|
|---|
| 365 | } # end fullcidr != alloc_from
|
|---|
| 366 |
|
|---|
| 367 | } # end static-IP vs netblock allocation
|
|---|
| 368 |
|
|---|
| 369 | } # end allocateBlock()
|
|---|
| 370 |
|
|---|
| 371 |
|
|---|
| 372 | ## IPDB::initPool()
|
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| 373 | # Initializes a pool
|
|---|
| 374 | # Requires a database handle, the pool CIDR, type, city, and a parameter
|
|---|
| 375 | # indicating whether the pool should allow allocation of literally every
|
|---|
| 376 | # IP, or if it should reserve network/gateway/broadcast IPs
|
|---|
| [78] | 377 | # Note that this is NOT done in a transaction, that's why it's a private
|
|---|
| 378 | # function and should ONLY EVER get called from allocateBlock()
|
|---|
| [77] | 379 | sub initPool {
|
|---|
| 380 | my ($dbh,undef,$type,$city,$class) = @_;
|
|---|
| 381 | my $pool = new NetAddr::IP $_[1];
|
|---|
| 382 |
|
|---|
| [149] | 383 | ##fixme Need to just replace 2nd char of type with i rather than capturing 1st char of type
|
|---|
| 384 | $type =~ s/[pd]$/i/;
|
|---|
| [77] | 385 | my $sth;
|
|---|
| [149] | 386 | my $msg;
|
|---|
| [77] | 387 |
|
|---|
| [149] | 388 | # Trap errors so we can pass them back to the caller. Even if the
|
|---|
| 389 | # caller is only ever supposed to be local, and therefore already
|
|---|
| 390 | # trapping errors. >:(
|
|---|
| 391 | local $dbh->{AutoCommit} = 0; # These need to be local so we don't
|
|---|
| 392 | local $dbh->{RaiseError} = 1; # step on our toes by accident.
|
|---|
| 393 |
|
|---|
| 394 | eval {
|
|---|
| 395 | # have to insert all pool IPs into poolips table as "unallocated".
|
|---|
| 396 | $sth = $dbh->prepare("insert into poolips (pool,ip,custid,city,type)".
|
|---|
| 397 | " values ('$pool', ?, '6750400', '$city', '$type')");
|
|---|
| 398 | my @poolip_list = $pool->hostenum;
|
|---|
| 399 | if ($class eq 'all') { # (DSL-ish block - *all* IPs available
|
|---|
| 400 | $sth->execute($pool->addr);
|
|---|
| 401 | for (my $i=0; $i<=$#poolip_list; $i++) {
|
|---|
| 402 | $sth->execute($poolip_list[$i]->addr);
|
|---|
| 403 | }
|
|---|
| 404 | $pool--;
|
|---|
| 405 | $sth->execute($pool->addr);
|
|---|
| 406 | } else { # (real netblock)
|
|---|
| 407 | for (my $i=1; $i<=$#poolip_list; $i++) {
|
|---|
| 408 | $sth->execute($poolip_list[$i]->addr);
|
|---|
| 409 | }
|
|---|
| [77] | 410 | }
|
|---|
| [149] | 411 | };
|
|---|
| 412 | if ($@) {
|
|---|
| 413 | $msg = "'".$sth->errstr."'";
|
|---|
| 414 | eval { $dbh->rollback; };
|
|---|
| 415 | return ('FAIL',$msg);
|
|---|
| 416 | } else {
|
|---|
| 417 | return ('OK',"OK");
|
|---|
| [77] | 418 | }
|
|---|
| 419 | } # end initPool()
|
|---|
| 420 |
|
|---|
| 421 |
|
|---|
| [93] | 422 | ## IPDB::deleteBlock()
|
|---|
| 423 | # Removes an allocation from the database, including deleting IPs
|
|---|
| 424 | # from poolips and recombining entries in freeblocks if possible
|
|---|
| 425 | # Also handles "deleting" a static IP allocation, and removal of a master
|
|---|
| 426 | # Requires a database handle, the block to delete, and the type of block
|
|---|
| 427 | sub deleteBlock {
|
|---|
| 428 | my ($dbh,undef,$type) = @_;
|
|---|
| 429 | my $cidr = new NetAddr::IP $_[1];
|
|---|
| 430 |
|
|---|
| 431 | my $sth;
|
|---|
| 432 |
|
|---|
| 433 | # To contain the error message, if any.
|
|---|
| 434 | my $msg = "Unknown error deallocating $type $cidr";
|
|---|
| 435 | # Enable transactions and exception-on-errors... but only for this sub
|
|---|
| 436 | local $dbh->{AutoCommit} = 0;
|
|---|
| 437 | local $dbh->{RaiseError} = 1;
|
|---|
| 438 |
|
|---|
| 439 | # First case. The "block" is a static IP
|
|---|
| 440 | # Note that we still need some additional code in the odd case
|
|---|
| 441 | # of a netblock-aligned contiguous group of static IPs
|
|---|
| 442 | if ($type =~ /^.i$/) {
|
|---|
| 443 |
|
|---|
| 444 | eval {
|
|---|
| [149] | 445 | $msg = "Unable to deallocate $disp_alloctypes{$type} $cidr";
|
|---|
| [93] | 446 | $sth = $dbh->prepare("update poolips set custid='6750400',available='y',".
|
|---|
| [120] | 447 | "city=(select city from allocations where cidr >>= '$cidr'),".
|
|---|
| [93] | 448 | "description='',notes='',circuitid='' where ip='$cidr'");
|
|---|
| 449 | $sth->execute;
|
|---|
| 450 | $dbh->commit;
|
|---|
| 451 | };
|
|---|
| 452 | if ($@) {
|
|---|
| 453 | eval { $dbh->rollback; };
|
|---|
| 454 | return ('FAIL',$msg);
|
|---|
| 455 | } else {
|
|---|
| 456 | return ('OK',"OK");
|
|---|
| 457 | }
|
|---|
| 458 |
|
|---|
| 459 | } elsif ($type eq 'mm') { # end alloctype =~ /.i/
|
|---|
| 460 |
|
|---|
| 461 | $msg = "Unable to delete master block $cidr";
|
|---|
| 462 | eval {
|
|---|
| 463 | $sth = $dbh->prepare("delete from masterblocks where cidr='$cidr'");
|
|---|
| 464 | $sth->execute;
|
|---|
| 465 | $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
|
|---|
| 466 | $sth->execute;
|
|---|
| 467 | $dbh->commit;
|
|---|
| 468 | };
|
|---|
| 469 | if ($@) {
|
|---|
| 470 | eval { $dbh->rollback; };
|
|---|
| 471 | return ('FAIL', $msg);
|
|---|
| 472 | } else {
|
|---|
| 473 | return ('OK',"OK");
|
|---|
| 474 | }
|
|---|
| 475 |
|
|---|
| 476 | } else { # end alloctype master block case
|
|---|
| 477 |
|
|---|
| 478 | ## This is a big block; but it HAS to be done in a chunk. Any removal
|
|---|
| 479 | ## of a netblock allocation may result in a larger chunk of free
|
|---|
| 480 | ## contiguous IP space - which may in turn be combined into a single
|
|---|
| 481 | ## netblock rather than a number of smaller netblocks.
|
|---|
| 482 |
|
|---|
| 483 | eval {
|
|---|
| 484 |
|
|---|
| 485 | if ($type eq 'rr') {
|
|---|
| 486 | $msg = "Unable to remove routing allocation $cidr";
|
|---|
| 487 | $sth = $dbh->prepare("delete from routed where cidr='$cidr'");
|
|---|
| 488 | $sth->execute;
|
|---|
| 489 | # Make sure block getting deleted is properly accounted for.
|
|---|
| 490 | $sth = $dbh->prepare("update freeblocks set routed='n',city='<NULL>'".
|
|---|
| 491 | " where cidr='$cidr'");
|
|---|
| 492 | $sth->execute;
|
|---|
| 493 | # Set up query to start compacting free blocks.
|
|---|
| [147] | 494 | $sth = $dbh->prepare("select cidr from freeblocks where ".
|
|---|
| [93] | 495 | "maskbits<=".$cidr->masklen." and routed='n' order by maskbits desc");
|
|---|
| 496 |
|
|---|
| 497 | } else { # end alloctype routing case
|
|---|
| 498 |
|
|---|
| 499 | $sth = $dbh->prepare("delete from allocations where cidr='$cidr'");
|
|---|
| 500 | $sth->execute;
|
|---|
| 501 | # Special case - delete pool IPs
|
|---|
| [149] | 502 | if ($type =~ /^.[pd]$/) {
|
|---|
| [93] | 503 | # We have to delete the IPs from the pool listing.
|
|---|
| 504 | $sth = $dbh->prepare("delete from poolips where pool='$cidr'");
|
|---|
| 505 | $sth->execute;
|
|---|
| 506 | }
|
|---|
| 507 |
|
|---|
| 508 | # Set up query for compacting free blocks.
|
|---|
| [147] | 509 | $sth = $dbh->prepare("select cidr from freeblocks where cidr <<= ".
|
|---|
| [120] | 510 | "(select cidr from routed where cidr >>= '$cidr') ".
|
|---|
| [93] | 511 | " and maskbits<=".$cidr->masklen." and routed='y' order by maskbits desc");
|
|---|
| 512 |
|
|---|
| 513 | } # end alloctype general case
|
|---|
| 514 |
|
|---|
| 515 | # Now we look for larger-or-equal-sized free blocks in the same master (routed)
|
|---|
| 516 | # (super)block. If there aren't any, we can't combine blocks anyway. If there
|
|---|
| 517 | # are, we check to see if we can combine blocks.
|
|---|
| 518 | # Execute the statement prepared in the if-else above.
|
|---|
| 519 |
|
|---|
| 520 | $sth->execute;
|
|---|
| 521 |
|
|---|
| 522 | # NetAddr::IP->compact() attempts to produce the smallest inclusive block
|
|---|
| 523 | # from the caller and the passed terms.
|
|---|
| 524 | # EG: if you call $cidr->compact($ip1,$ip2,$ip3) when $cidr, $ip1, $ip2,
|
|---|
| 525 | # and $ip3 are consecutive /27's starting on .0 (.0-.31, .32-.63,
|
|---|
| 526 | # .64-.95, and .96-.128), you will get an array containing a single
|
|---|
| 527 | # /25 as element 0 (.0-.127). Order is not important; you could have
|
|---|
| 528 | # $cidr=.32/27, $ip1=.96/27, $ip2=.0/27, and $ip3=.64/27.
|
|---|
| 529 |
|
|---|
| 530 | my (@together, @combinelist);
|
|---|
| 531 | my $i=0;
|
|---|
| 532 | while (my @data = $sth->fetchrow_array) {
|
|---|
| 533 | my $testIP = new NetAddr::IP $data[0];
|
|---|
| 534 | @together = $testIP->compact($cidr);
|
|---|
| 535 | my $num = @together;
|
|---|
| 536 | if ($num == 1) {
|
|---|
| 537 | $cidr = $together[0];
|
|---|
| 538 | $combinelist[$i++] = $testIP;
|
|---|
| 539 | }
|
|---|
| 540 | }
|
|---|
| 541 |
|
|---|
| 542 | # Clear old freeblocks entries - if any. $i==0 if not.
|
|---|
| 543 | if ($i>0) {
|
|---|
| 544 | $sth = $dbh->prepare("delete from freeblocks where cidr=?");
|
|---|
| 545 | foreach my $block (@combinelist) {
|
|---|
| 546 | $sth->execute("$block");
|
|---|
| 547 | }
|
|---|
| 548 | }
|
|---|
| 549 |
|
|---|
| 550 | # insert "new" freeblocks entry
|
|---|
| 551 | if ($type eq 'rr') {
|
|---|
| [147] | 552 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
|
|---|
| 553 | " values ('$cidr',".$cidr->masklen.",'<NULL>')");
|
|---|
| [93] | 554 | } else {
|
|---|
| [147] | 555 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| 556 | " values ('$cidr',".$cidr->masklen.
|
|---|
| [93] | 557 | ",(select city from routed where cidr >>= '$cidr'),'y')");
|
|---|
| 558 | }
|
|---|
| 559 | $sth->execute;
|
|---|
| 560 |
|
|---|
| 561 | # If we got here, we've succeeded. Whew!
|
|---|
| 562 | $dbh->commit;
|
|---|
| 563 | }; # end eval
|
|---|
| 564 | if ($@) {
|
|---|
| 565 | eval { $dbh->rollback; };
|
|---|
| 566 | return ('FAIL', $msg);
|
|---|
| 567 | } else {
|
|---|
| 568 | return ('OK',"OK");
|
|---|
| 569 | }
|
|---|
| 570 |
|
|---|
| 571 | } # end alloctype != netblock
|
|---|
| 572 |
|
|---|
| 573 | } # end deleteBlock()
|
|---|
| 574 |
|
|---|
| 575 |
|
|---|
| [77] | 576 | ## IPDB::mailNotify()
|
|---|
| [66] | 577 | # Sends notification mail to recipients regarding an IPDB operation
|
|---|
| 578 | sub mailNotify ($$$) {
|
|---|
| 579 | my ($recip,$subj,$message) = @_;
|
|---|
| [69] | 580 | my $mailer = Net::SMTP->new("smtp.example.com", Hello => "ipdb.example.com");
|
|---|
| [66] | 581 |
|
|---|
| 582 | $mailer->mail('ipdb@example.com');
|
|---|
| 583 | $mailer->to($recip);
|
|---|
| [69] | 584 | $mailer->data("From: \"IP Database\" <ipdb\@example.com>\n",
|
|---|
| [135] | 585 | "To: $recip\n",
|
|---|
| [69] | 586 | "Date: ".strftime("%a, %d %b %Y %H:%M:%S %z",localtime)."\n",
|
|---|
| 587 | "Subject: {IPDB} $subj\n",
|
|---|
| 588 | "X-Mailer: IPDB Notify v".sprintf("%.1d",$IPDB::VERSION)."\n",
|
|---|
| 589 | "Organization: Example Corp\n",
|
|---|
| 590 | "\n$message\n");
|
|---|
| [66] | 591 | $mailer->quit;
|
|---|
| 592 | }
|
|---|
| 593 |
|
|---|
| [4] | 594 | # Indicates module loaded OK. Required by Perl.
|
|---|
| 595 | 1;
|
|---|
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