| [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: 2010-05-11 22:05:54 +0000 (Tue, 11 May 2010) $
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| 6 | # SVN revision $Rev: 404 $
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| 7 | # Last update by $Author: kdeugau $
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| 8 | ###
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| [320] | 9 | # Copyright (C) 2004-2006 - 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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| [371] | 18 | use NetAddr::IP qw( Compact );
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| [68] | 19 | use POSIX;
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| [4] | 20 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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| 21 |
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| [77] | 22 | $VERSION = 2.0;
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| [4] | 23 | @ISA = qw(Exporter);
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| [106] | 24 | @EXPORT_OK = qw(
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| [167] | 25 | %disp_alloctypes %list_alloctypes %def_custids @citylist @poplist @masterblocks
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| [233] | 26 | %allocated %free %routed %bigfree %IPDBacl
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| [371] | 27 | &initIPDBGlobals &connectDB &finish &checkDBSanity &allocateBlock &addMaster
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| 28 | &deleteBlock &getBlockData &mailNotify
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| [106] | 29 | );
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| [4] | 30 |
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| 31 | @EXPORT = (); # Export nothing by default.
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| [106] | 32 | %EXPORT_TAGS = ( ALL => [qw(
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| [167] | 33 | %disp_alloctypes %list_alloctypes %def_custids @citylist @poplist
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| [233] | 34 | @masterblocks %allocated %free %routed %bigfree %IPDBacl
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| [106] | 35 | &initIPDBGlobals &connectDB &finish &checkDBSanity &allocateBlock
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| [371] | 36 | &addMaster &deleteBlock &getBlockData &mailNotify
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| [106] | 37 | )]
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| 38 | );
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| [4] | 39 |
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| [77] | 40 | ##
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| 41 | ## Global variables
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| 42 | ##
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| 43 | our %disp_alloctypes;
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| 44 | our %list_alloctypes;
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| [167] | 45 | our %def_custids;
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| [96] | 46 | our @citylist;
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| 47 | our @poplist;
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| [106] | 48 | our @masterblocks;
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| [118] | 49 | our %allocated;
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| 50 | our %free;
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| 51 | our %routed;
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| 52 | our %bigfree;
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| [233] | 53 | our %IPDBacl;
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| [66] | 54 |
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| [77] | 55 | # Let's initialize the globals.
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| 56 | ## IPDB::initIPDBGlobals()
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| 57 | # Initialize all globals. Takes a database handle, returns a success or error code
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| 58 | sub initIPDBGlobals {
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| 59 | my $dbh = $_[0];
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| 60 | my $sth;
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| 61 |
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| [106] | 62 | # Initialize alloctypes hashes
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| [167] | 63 | $sth = $dbh->prepare("select type,listname,dispname,listorder,def_custid from alloctypes order by listorder");
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| [77] | 64 | $sth->execute;
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| 65 | while (my @data = $sth->fetchrow_array) {
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| [106] | 66 | $disp_alloctypes{$data[0]} = $data[2];
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| [167] | 67 | $def_custids{$data[0]} = $data[4];
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| [106] | 68 | if ($data[3] < 900) {
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| 69 | $list_alloctypes{$data[0]} = $data[1];
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| 70 | }
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| [77] | 71 | }
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| [96] | 72 |
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| 73 | # City and POP listings
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| [157] | 74 | $sth = $dbh->prepare("select city,routing from cities order by city");
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| [96] | 75 | $sth->execute;
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| 76 | return (undef,$sth->errstr) if $sth->err;
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| 77 | while (my @data = $sth->fetchrow_array) {
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| [106] | 78 | push @citylist, $data[0];
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| [96] | 79 | if ($data[1] eq 'y') {
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| [106] | 80 | push @poplist, $data[0];
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| [96] | 81 | }
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| 82 | }
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| 83 |
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| [106] | 84 | # Master block list
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| [157] | 85 | $sth = $dbh->prepare("select cidr from masterblocks order by cidr");
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| [106] | 86 | $sth->execute;
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| [233] | 87 | return (undef,$sth->errstr) if $sth->err;
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| [106] | 88 | for (my $i=0; my @data = $sth->fetchrow_array(); $i++) {
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| 89 | $masterblocks[$i] = new NetAddr::IP $data[0];
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| [118] | 90 | $allocated{"$masterblocks[$i]"} = 0;
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| 91 | $free{"$masterblocks[$i]"} = 0;
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| 92 | $bigfree{"$masterblocks[$i]"} = 128; # Larger number means smaller block.
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| 93 | # Set to 128 to prepare for IPv6
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| 94 | $routed{"$masterblocks[$i]"} = 0;
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| [106] | 95 | }
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| [233] | 96 |
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| 97 | # Load ACL data. Specific username checks are done at a different level.
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| 98 | $sth = $dbh->prepare("select username,acl from users");
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| 99 | $sth->execute;
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| [106] | 100 | return (undef,$sth->errstr) if $sth->err;
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| [233] | 101 | while (my @data = $sth->fetchrow_array) {
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| 102 | $IPDBacl{$data[0]} = $data[1];
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| 103 | }
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| [106] | 104 |
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| [77] | 105 | return (1,"OK");
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| 106 | } # end initIPDBGlobals
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| 107 |
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| 108 |
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| 109 | ## IPDB::connectDB()
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| [4] | 110 | # Creates connection to IPDB.
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| [77] | 111 | # Requires the database name, username, and password.
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| [4] | 112 | # Returns a handle to the db.
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| [77] | 113 | # Set up for a PostgreSQL db; could be any transactional DBMS with the
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| 114 | # right changes.
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| 115 | # This definition should be sub connectDB($$$) to be technically correct,
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| 116 | # but this breaks. GRR.
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| [4] | 117 | sub connectDB {
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| [77] | 118 | my ($dbname,$user,$pass) = @_;
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| [4] | 119 | my $dbh;
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| [402] | 120 | my $DSN = "DBI:Pg:host=ipdb-db;dbname=$dbname";
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| [77] | 121 | # my $user = 'ipdb';
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| 122 | # my $pw = 'ipdbpwd';
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| [4] | 123 |
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| 124 | # Note that we want to autocommit by default, and we will turn it off locally as necessary.
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| [77] | 125 | # We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
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| 126 | $dbh = DBI->connect($DSN, $user, $pass, {
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| 127 | AutoCommit => 1,
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| 128 | PrintError => 0
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| 129 | })
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| 130 | or return (undef, $DBI::errstr) if(!$dbh);
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| [4] | 131 |
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| [77] | 132 | # Return here if we can't select. Note that this indicates a
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| 133 | # problem executing the select.
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| [183] | 134 | my $sth = $dbh->prepare("select type from alloctypes");
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| [77] | 135 | $sth->execute();
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| 136 | return (undef,$DBI::errstr) if ($sth->err);
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| 137 |
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| 138 | # See if the select returned anything (or null data). This should
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| 139 | # succeed if the select executed, but...
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| 140 | $sth->fetchrow();
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| 141 | return (undef,$DBI::errstr) if ($sth->err);
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| 142 |
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| 143 | # If we get here, we should be OK.
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| 144 | return ($dbh,"DB connection OK");
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| [4] | 145 | } # end connectDB
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| 146 |
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| [77] | 147 |
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| 148 | ## IPDB::finish()
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| 149 | # Cleans up after database handles and so on.
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| 150 | # Requires a database handle
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| 151 | sub finish {
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| 152 | my $dbh = $_[0];
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| 153 | $dbh->disconnect;
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| 154 | } # end finish
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| 155 |
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| 156 |
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| [106] | 157 | ## IPDB::checkDBSanity()
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| [4] | 158 | # Quick check to see if the db is responding. A full integrity
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| 159 | # check will have to be a separate tool to walk the IP allocation trees.
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| 160 | sub checkDBSanity {
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| [106] | 161 | my ($dbh) = $_[0];
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| [4] | 162 |
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| 163 | if (!$dbh) {
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| [106] | 164 | print "No database handle, or connection has been closed.";
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| 165 | return -1;
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| [4] | 166 | } else {
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| 167 | # it connects, try a stmt.
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| [184] | 168 | my $sth = $dbh->prepare("select type from alloctypes");
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| [4] | 169 | my $err = $sth->execute();
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| 170 |
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| 171 | if ($sth->fetchrow()) {
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| 172 | # all is well.
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| 173 | return 1;
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| 174 | } else {
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| [16] | 175 | print "Connected to the database, but could not execute test statement. ".$sth->errstr();
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| [106] | 176 | return -1;
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| [4] | 177 | }
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| 178 | }
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| 179 | # Clean up after ourselves.
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| [106] | 180 | # $dbh->disconnect;
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| [4] | 181 | } # end checkDBSanity
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| 182 |
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| [66] | 183 |
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| [371] | 184 | ## IPDB::addMaster()
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| 185 | # Does all the magic necessary to sucessfully add a master block
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| 186 | # Requires database handle, block to add
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| 187 | # Returns failure code and error message or success code and "message"
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| 188 | sub addMaster {
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| 189 | my $dbh = shift;
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| 190 | my $cidr = new NetAddr::IP shift;
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| 191 |
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| 192 | # Allow transactions, and raise an exception on errors so we can catch it later.
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| 193 | # Use local to make sure these get "reset" properly on exiting this block
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| 194 | local $dbh->{AutoCommit} = 0;
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| 195 | local $dbh->{RaiseError} = 1;
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| 196 |
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| 197 | # Wrap all the SQL in a transaction
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| 198 | eval {
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| 199 | my $sth = $dbh->prepare("select count(*) from masterblocks where cidr <<= '$cidr'");
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| 200 | $sth->execute;
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| 201 | my @data = $sth->fetchrow_array;
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| 202 |
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| 203 | if ($data[0] eq 0) {
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| 204 | # First case - master is brand-spanking-new.
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| 205 | ##fixme: rwhois should be globally-flagable somewhere, much like a number of other things
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| 206 | ## maybe a db table called "config"?
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| 207 | $sth = $dbh->prepare("insert into masterblocks (cidr,rwhois) values ('$cidr','y')");
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| 208 | $sth->execute;
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| 209 |
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| 210 | # Unrouted blocks aren't associated with a city (yet). We don't rely on this
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| 211 | # elsewhere though; legacy data may have traps and pitfalls in it to break this.
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| 212 | # Thus the "routed" flag.
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| 213 |
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| 214 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
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| 215 | " values ('$cidr',".$cidr->masklen.",'<NULL>','n')");
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| 216 | $sth->execute;
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| 217 |
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| 218 | # If we get here, everything is happy. Commit changes.
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| 219 | $dbh->commit;
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| 220 |
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| 221 | } # new master does not contain existing master(s)
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| 222 | else {
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| 223 |
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| 224 | # collect the master(s) we're going to absorb, and snag the longest netmask while we're at it.
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| 225 | my $smallmask = $cidr->masklen;
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| 226 | $sth = $dbh->prepare("select cidr as mask from masterblocks where cidr <<= '$cidr'");
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| 227 | $sth->execute;
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| 228 | my @cmasters;
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| 229 | while (my @data = $sth->fetchrow_array) {
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| 230 | my $master = new NetAddr::IP $data[0];
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| 231 | push @cmasters, $master;
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| 232 | $smallmask = $master->masklen if $master->masklen > $smallmask;
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| 233 | }
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| 234 |
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| 235 | # split the new master, and keep only those blocks not part of an existing master
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| 236 | my @blocklist;
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| 237 | foreach my $seg ($cidr->split($smallmask)) {
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| 238 | my $contained = 0;
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| 239 | foreach my $master (@cmasters) {
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| 240 | $contained = 1 if $master->contains($seg);
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| 241 | }
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| 242 | push @blocklist, $seg if !$contained;
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| 243 | }
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| 244 |
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| 245 | # collect the unrouted free blocks within the new master
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| 246 | $sth = $dbh->prepare("select cidr from freeblocks where ".
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| 247 | "maskbits>=$smallmask and cidr <<= '$cidr' and routed='n'");
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| 248 | $sth->execute;
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| 249 | while (my @data = $sth->fetchrow_array) {
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| 250 | my $freeblock = new NetAddr::IP $data[0];
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| 251 | push @blocklist, $freeblock;
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| 252 | }
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| 253 |
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| 254 | # combine the set of free blocks we should have now.
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| 255 | @blocklist = Compact(@blocklist);
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| 256 |
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| 257 | # and now insert the new data. Make sure to delete old masters too.
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| 258 |
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| 259 | # freeblocks
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| 260 | $sth = $dbh->prepare("delete from freeblocks where cidr <<= ?");
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| 261 | my $sth2 = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed) values (?,?,'<NULL>','n')");
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| 262 | foreach my $newblock (@blocklist) {
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| 263 | $sth->execute("$newblock");
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| 264 | $sth2->execute("$newblock", $newblock->masklen);
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| 265 | }
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| 266 |
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| 267 | # master
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| 268 | $sth = $dbh->prepare("delete from masterblocks where cidr <<= '$cidr'");
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| 269 | $sth->execute;
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| 270 | $sth = $dbh->prepare("insert into masterblocks (cidr,rwhois) values ('$cidr','y')");
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| 271 | $sth->execute;
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| 272 |
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| 273 | # *whew* If we got here, we likely suceeded.
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| 274 | $dbh->commit;
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| 275 | } # new master contained existing master(s)
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| 276 | }; # end eval
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| 277 |
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| 278 | if ($@) {
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| 279 | my $msg = $@;
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| 280 | eval { $dbh->rollback; };
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| 281 | return ('FAIL',$msg);
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| 282 | } else {
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| 283 | return ('OK','OK');
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| 284 | }
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| 285 | } # end addMaster
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| 286 |
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| 287 |
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| [77] | 288 | ## IPDB::allocateBlock()
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| [66] | 289 | # Does all of the magic of actually allocating a netblock
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| [77] | 290 | # Requires database handle, block to allocate, custid, type, city,
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| [284] | 291 | # description, notes, circuit ID, block to allocate from, private data
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| [77] | 292 | # Returns a success code and optional error message.
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| 293 | sub allocateBlock {
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| [397] | 294 | my ($dbh,undef,undef,$custid,$type,$city,$desc,$notes,$circid,$privdata,$nodeid) = @_;
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| [284] | 295 |
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| [77] | 296 | my $cidr = new NetAddr::IP $_[1];
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| 297 | my $alloc_from = new NetAddr::IP $_[2];
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| 298 | my $sth;
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| [66] | 299 |
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| [349] | 300 | # Snag the "type" of the freeblock (alloc_from) "just in case"
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| 301 | $sth = $dbh->prepare("select routed from freeblocks where cidr='$alloc_from'");
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| 302 | $sth->execute;
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| 303 | my ($alloc_from_type) = $sth->fetchrow_array;
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| 304 |
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| [79] | 305 | # To contain the error message, if any.
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| 306 | my $msg = "Unknown error allocating $cidr as '$type'";
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| 307 |
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| [77] | 308 | # Enable transactions and error handling
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| 309 | local $dbh->{AutoCommit} = 0; # These need to be local so we don't
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| 310 | local $dbh->{RaiseError} = 1; # step on our toes by accident.
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| [66] | 311 |
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| [157] | 312 | if ($type =~ /^.i$/) {
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| [79] | 313 | $msg = "Unable to assign static IP $cidr to $custid";
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| [77] | 314 | eval {
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| [157] | 315 | # We have to do this in two parts because otherwise we lose
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| 316 | # the ability to return the IP assigned. Should that change,
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| 317 | # the commented SQL statement below may become usable.
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| [77] | 318 | # update poolips set custid='$custid',city='$city',available='n',
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| 319 | # description='$desc',notes='$notes',circuitid='$circid'
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| 320 | # where ip=(select ip from poolips where pool='$alloc_from'
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| 321 | # and available='y' order by ip limit 1);
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| [157] | 322 |
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| 323 | $sth = $dbh->prepare("select ip from poolips where pool='$alloc_from'".
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| 324 | " and available='y' order by ip");
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| 325 | $sth->execute;
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| 326 |
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| [77] | 327 | my @data = $sth->fetchrow_array;
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| [157] | 328 | $cidr = $data[0]; # $cidr is already declared when we get here!
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| [77] | 329 |
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| 330 | $sth = $dbh->prepare("update poolips set custid='$custid',".
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| [108] | 331 | "city='$city',available='n',description='$desc',notes='$notes',".
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| [284] | 332 | "circuitid='$circid',privdata='$privdata'".
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| [77] | 333 | " where ip='$cidr'");
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| 334 | $sth->execute;
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| [397] | 335 | # node hack
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| 336 | if ($nodeid && $nodeid ne '') {
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| 337 | $sth = $dbh->prepare("INSERT INTO noderef (block,node_id) VALUES (?,?)");
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| 338 | $sth->execute("$cidr",$nodeid);
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| 339 | }
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| 340 | # end node hack
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| [79] | 341 | $dbh->commit;
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| [77] | 342 | };
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| 343 | if ($@) {
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| [107] | 344 | $msg .= ": '".$sth->errstr."'";
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| [78] | 345 | eval { $dbh->rollback; };
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| 346 | return ('FAIL',$msg);
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| [77] | 347 | } else {
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| [106] | 348 | return ('OK',"$cidr");
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| [77] | 349 | }
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| 350 |
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| 351 | } else { # end IP-from-pool allocation
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| 352 |
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| 353 | if ($cidr == $alloc_from) {
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| 354 | # Easiest case- insert in one table, delete in the other, and go home. More or less.
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| 355 | # insert into allocations values (cidr,custid,type,city,desc) and
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| 356 | # delete from freeblocks where cidr='cidr'
|
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| 357 | # For data safety on non-transaction DBs, we delete first.
|
|---|
| 358 |
|
|---|
| 359 | eval {
|
|---|
| [79] | 360 | $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
|
|---|
| [187] | 361 | if ($type eq 'rm') {
|
|---|
| [77] | 362 | $sth = $dbh->prepare("update freeblocks set routed='y',city='$city'".
|
|---|
| 363 | " where cidr='$cidr'");
|
|---|
| 364 | $sth->execute;
|
|---|
| [157] | 365 | $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
|
|---|
| 366 | " values ('$cidr',".$cidr->masklen.",'$city')");
|
|---|
| [77] | 367 | $sth->execute;
|
|---|
| 368 | } else {
|
|---|
| 369 | # common stuff for end-use, dialup, dynDSL, pools, etc, etc.
|
|---|
| 370 |
|
|---|
| [187] | 371 | # special case - block is a container/"reserve" block
|
|---|
| 372 | if ($type =~ /^(.)c$/) {
|
|---|
| 373 | $sth = $dbh->prepare("update freeblocks set routed='$1' where cidr='$cidr'");
|
|---|
| [186] | 374 | $sth->execute;
|
|---|
| 375 | } else {
|
|---|
| 376 | # "normal" case
|
|---|
| 377 | $sth = $dbh->prepare("delete from freeblocks where cidr='$cidr'");
|
|---|
| 378 | $sth->execute;
|
|---|
| 379 | }
|
|---|
| [157] | 380 | $sth = $dbh->prepare("insert into allocations".
|
|---|
| [284] | 381 | " (cidr,custid,type,city,description,notes,maskbits,circuitid,privdata)".
|
|---|
| [157] | 382 | " values ('$cidr','$custid','$type','$city','$desc','$notes',".
|
|---|
| [284] | 383 | $cidr->masklen.",'$circid','$privdata')");
|
|---|
| [77] | 384 | $sth->execute;
|
|---|
| [78] | 385 |
|
|---|
| 386 | # And initialize the pool, if necessary
|
|---|
| [157] | 387 | # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
|
|---|
| 388 | # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
|
|---|
| [78] | 389 | if ($type =~ /^.p$/) {
|
|---|
| [157] | 390 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 391 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
|
|---|
| 392 | die $rmsg if $code eq 'FAIL';
|
|---|
| 393 | } elsif ($type =~ /^.d$/) {
|
|---|
| 394 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 395 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
|
|---|
| 396 | die $rmsg if $code eq 'FAIL';
|
|---|
| [79] | 397 | }
|
|---|
| 398 |
|
|---|
| [77] | 399 | } # routing vs non-routing netblock
|
|---|
| [79] | 400 |
|
|---|
| [397] | 401 | # node hack
|
|---|
| 402 | if ($nodeid && $nodeid ne '') {
|
|---|
| 403 | $sth = $dbh->prepare("INSERT INTO noderef (block,node_id) VALUES (?,?)");
|
|---|
| 404 | $sth->execute("$cidr",$nodeid);
|
|---|
| 405 | }
|
|---|
| 406 | # end node hack
|
|---|
| [77] | 407 | $dbh->commit;
|
|---|
| [78] | 408 | }; # end of eval
|
|---|
| [77] | 409 | if ($@) {
|
|---|
| [157] | 410 | $msg .= ": ".$@;
|
|---|
| [77] | 411 | eval { $dbh->rollback; };
|
|---|
| [157] | 412 | return ('FAIL',$msg);
|
|---|
| [77] | 413 | } else {
|
|---|
| [78] | 414 | return ('OK',"OK");
|
|---|
| 415 | }
|
|---|
| [77] | 416 |
|
|---|
| 417 | } else { # cidr != alloc_from
|
|---|
| 418 |
|
|---|
| 419 | # Hard case. Allocation is smaller than free block.
|
|---|
| 420 | my $wantmaskbits = $cidr->masklen;
|
|---|
| 421 | my $maskbits = $alloc_from->masklen;
|
|---|
| 422 |
|
|---|
| 423 | my @newfreeblocks; # Holds free blocks generated from splitting the source freeblock.
|
|---|
| 424 |
|
|---|
| 425 | # This determines which blocks will be left "free" after allocation. We take the
|
|---|
| 426 | # block we're allocating from, and split it in half. We see which half the wanted
|
|---|
| 427 | # block is in, and repeat until the wanted block is equal to one of the halves.
|
|---|
| 428 | my $i=0;
|
|---|
| 429 | my $tmp_from = $alloc_from; # So we don't munge $alloc_from
|
|---|
| 430 | while ($maskbits++ < $wantmaskbits) {
|
|---|
| 431 | my @subblocks = $tmp_from->split($maskbits);
|
|---|
| 432 | $newfreeblocks[$i++] = (($cidr->within($subblocks[0])) ? $subblocks[1] : $subblocks[0]);
|
|---|
| 433 | $tmp_from = ( ($cidr->within($subblocks[0])) ? $subblocks[0] : $subblocks[1] );
|
|---|
| 434 | } # while
|
|---|
| 435 |
|
|---|
| 436 | # Begin SQL transaction block
|
|---|
| 437 | eval {
|
|---|
| [79] | 438 | $msg = "Unable to allocate $cidr as '$disp_alloctypes{$type}'";
|
|---|
| 439 |
|
|---|
| [77] | 440 | # Delete old freeblocks entry
|
|---|
| 441 | $sth = $dbh->prepare("delete from freeblocks where cidr='$alloc_from'");
|
|---|
| 442 | $sth->execute();
|
|---|
| 443 |
|
|---|
| 444 | # now we have to do some magic for routing blocks
|
|---|
| [187] | 445 | if ($type eq 'rm') {
|
|---|
| [79] | 446 |
|
|---|
| [77] | 447 | # Insert the new freeblocks entries
|
|---|
| 448 | # Note that non-routed blocks are assigned to <NULL>
|
|---|
| [157] | 449 | # and use the default value for the routed column ('n')
|
|---|
| 450 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
|
|---|
| 451 | " values (?, ?, '<NULL>')");
|
|---|
| [77] | 452 | foreach my $block (@newfreeblocks) {
|
|---|
| 453 | $sth->execute("$block", $block->masklen);
|
|---|
| 454 | }
|
|---|
| [79] | 455 |
|
|---|
| [77] | 456 | # Insert the entry in the routed table
|
|---|
| [157] | 457 | $sth = $dbh->prepare("insert into routed (cidr,maskbits,city)".
|
|---|
| 458 | " values ('$cidr',".$cidr->masklen.",'$city')");
|
|---|
| [77] | 459 | $sth->execute;
|
|---|
| 460 | # Insert the (almost) same entry in the freeblocks table
|
|---|
| [157] | 461 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| 462 | " values ('$cidr',".$cidr->masklen.",'$city','y')");
|
|---|
| [77] | 463 | $sth->execute;
|
|---|
| 464 |
|
|---|
| [189] | 465 | } else { # done with alloctype == rm
|
|---|
| [77] | 466 |
|
|---|
| 467 | # Insert the new freeblocks entries
|
|---|
| [349] | 468 | # Along with some more HairyPerl(TM):
|
|---|
| 469 | # if $alloc_type_from is p
|
|---|
| 470 | # OR
|
|---|
| 471 | # $type matches /^(.)r$/
|
|---|
| 472 | # inserted value for routed column should match.
|
|---|
| 473 | # This solves the case of inserting an arbitrary block into a
|
|---|
| 474 | # "Reserve-for-routed-DSL" block. Which you really shouldn't
|
|---|
| 475 | # do in the first place, but anyway...
|
|---|
| [157] | 476 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| [186] | 477 | " values (?, ?, (select city from routed where cidr >>= '$cidr'),'".
|
|---|
| [349] | 478 | ( ( ($alloc_from_type =~ /^(p)$/) || ($type =~ /^(.)r$/) ) ? "$1" : 'y')."')");
|
|---|
| [77] | 479 | foreach my $block (@newfreeblocks) {
|
|---|
| 480 | $sth->execute("$block", $block->masklen);
|
|---|
| 481 | }
|
|---|
| [187] | 482 | # Special-case for reserve/"container" blocks - generate
|
|---|
| 483 | # the "extra" freeblocks entry for the container
|
|---|
| 484 | if ($type =~ /^(.)c$/) {
|
|---|
| [186] | 485 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| [187] | 486 | " values ('$cidr',".$cidr->masklen.",'$city','$1')");
|
|---|
| [186] | 487 | $sth->execute;
|
|---|
| 488 | }
|
|---|
| [77] | 489 | # Insert the allocations entry
|
|---|
| [157] | 490 | $sth = $dbh->prepare("insert into allocations (cidr,custid,type,city,".
|
|---|
| [284] | 491 | "description,notes,maskbits,circuitid,privdata)".
|
|---|
| [157] | 492 | " values ('$cidr','$custid','$type','$city','$desc','$notes',".
|
|---|
| [284] | 493 | $cidr->masklen.",'$circid','$privdata')");
|
|---|
| [77] | 494 | $sth->execute;
|
|---|
| [78] | 495 |
|
|---|
| 496 | # And initialize the pool, if necessary
|
|---|
| [157] | 497 | # PPPoE pools (currently dialup, DSL, and WiFi) get all IPs made available
|
|---|
| 498 | # "DHCP" or "real-subnet" pools have the net, gw, and bcast IPs removed.
|
|---|
| [78] | 499 | if ($type =~ /^.p$/) {
|
|---|
| [79] | 500 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| [157] | 501 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"all");
|
|---|
| 502 | die $rmsg if $code eq 'FAIL';
|
|---|
| 503 | } elsif ($type =~ /^.d$/) {
|
|---|
| 504 | $msg = "Could not initialize IPs in new $disp_alloctypes{$type} $cidr";
|
|---|
| 505 | my ($code,$rmsg) = initPool($dbh,$cidr,$type,$city,"normal");
|
|---|
| 506 | die $rmsg if $code eq 'FAIL';
|
|---|
| [79] | 507 | }
|
|---|
| 508 |
|
|---|
| [189] | 509 | } # done with netblock alloctype != rm
|
|---|
| [79] | 510 |
|
|---|
| [397] | 511 | # node hack
|
|---|
| 512 | if ($nodeid && $nodeid ne '') {
|
|---|
| 513 | $sth = $dbh->prepare("INSERT INTO noderef (block,node_id) VALUES (?,?)");
|
|---|
| 514 | $sth->execute("$cidr",$nodeid);
|
|---|
| 515 | }
|
|---|
| 516 | # end node hack
|
|---|
| [77] | 517 | $dbh->commit;
|
|---|
| 518 | }; # end eval
|
|---|
| 519 | if ($@) {
|
|---|
| [256] | 520 | $msg .= ": ".$@;
|
|---|
| [77] | 521 | eval { $dbh->rollback; };
|
|---|
| [78] | 522 | return ('FAIL',$msg);
|
|---|
| [77] | 523 | } else {
|
|---|
| [78] | 524 | return ('OK',"OK");
|
|---|
| [77] | 525 | }
|
|---|
| 526 |
|
|---|
| 527 | } # end fullcidr != alloc_from
|
|---|
| 528 |
|
|---|
| 529 | } # end static-IP vs netblock allocation
|
|---|
| 530 |
|
|---|
| 531 | } # end allocateBlock()
|
|---|
| 532 |
|
|---|
| 533 |
|
|---|
| 534 | ## IPDB::initPool()
|
|---|
| 535 | # Initializes a pool
|
|---|
| 536 | # Requires a database handle, the pool CIDR, type, city, and a parameter
|
|---|
| 537 | # indicating whether the pool should allow allocation of literally every
|
|---|
| 538 | # IP, or if it should reserve network/gateway/broadcast IPs
|
|---|
| [78] | 539 | # Note that this is NOT done in a transaction, that's why it's a private
|
|---|
| 540 | # function and should ONLY EVER get called from allocateBlock()
|
|---|
| [77] | 541 | sub initPool {
|
|---|
| 542 | my ($dbh,undef,$type,$city,$class) = @_;
|
|---|
| 543 | my $pool = new NetAddr::IP $_[1];
|
|---|
| 544 |
|
|---|
| [157] | 545 | ##fixme Need to just replace 2nd char of type with i rather than capturing 1st char of type
|
|---|
| 546 | $type =~ s/[pd]$/i/;
|
|---|
| [77] | 547 | my $sth;
|
|---|
| [157] | 548 | my $msg;
|
|---|
| [77] | 549 |
|
|---|
| [157] | 550 | # Trap errors so we can pass them back to the caller. Even if the
|
|---|
| 551 | # caller is only ever supposed to be local, and therefore already
|
|---|
| 552 | # trapping errors. >:(
|
|---|
| 553 | local $dbh->{AutoCommit} = 0; # These need to be local so we don't
|
|---|
| 554 | local $dbh->{RaiseError} = 1; # step on our toes by accident.
|
|---|
| 555 |
|
|---|
| 556 | eval {
|
|---|
| 557 | # have to insert all pool IPs into poolips table as "unallocated".
|
|---|
| 558 | $sth = $dbh->prepare("insert into poolips (pool,ip,custid,city,type)".
|
|---|
| 559 | " values ('$pool', ?, '6750400', '$city', '$type')");
|
|---|
| 560 | my @poolip_list = $pool->hostenum;
|
|---|
| 561 | if ($class eq 'all') { # (DSL-ish block - *all* IPs available
|
|---|
| [246] | 562 | if ($pool->addr !~ /\.0$/) { # .0 causes weirdness.
|
|---|
| 563 | $sth->execute($pool->addr);
|
|---|
| 564 | }
|
|---|
| [157] | 565 | for (my $i=0; $i<=$#poolip_list; $i++) {
|
|---|
| 566 | $sth->execute($poolip_list[$i]->addr);
|
|---|
| 567 | }
|
|---|
| 568 | $pool--;
|
|---|
| [246] | 569 | if ($pool->addr !~ /\.255$/) { # .255 can cause weirdness.
|
|---|
| 570 | $sth->execute($pool->addr);
|
|---|
| 571 | }
|
|---|
| [157] | 572 | } else { # (real netblock)
|
|---|
| 573 | for (my $i=1; $i<=$#poolip_list; $i++) {
|
|---|
| 574 | $sth->execute($poolip_list[$i]->addr);
|
|---|
| 575 | }
|
|---|
| [77] | 576 | }
|
|---|
| [157] | 577 | };
|
|---|
| 578 | if ($@) {
|
|---|
| 579 | $msg = "'".$sth->errstr."'";
|
|---|
| 580 | eval { $dbh->rollback; };
|
|---|
| 581 | return ('FAIL',$msg);
|
|---|
| 582 | } else {
|
|---|
| 583 | return ('OK',"OK");
|
|---|
| [77] | 584 | }
|
|---|
| 585 | } # end initPool()
|
|---|
| 586 |
|
|---|
| 587 |
|
|---|
| [93] | 588 | ## IPDB::deleteBlock()
|
|---|
| 589 | # Removes an allocation from the database, including deleting IPs
|
|---|
| 590 | # from poolips and recombining entries in freeblocks if possible
|
|---|
| 591 | # Also handles "deleting" a static IP allocation, and removal of a master
|
|---|
| 592 | # Requires a database handle, the block to delete, and the type of block
|
|---|
| 593 | sub deleteBlock {
|
|---|
| 594 | my ($dbh,undef,$type) = @_;
|
|---|
| 595 | my $cidr = new NetAddr::IP $_[1];
|
|---|
| 596 |
|
|---|
| 597 | my $sth;
|
|---|
| 598 |
|
|---|
| [349] | 599 | # Magic variables used for odd allocation cases.
|
|---|
| 600 | my $container;
|
|---|
| 601 | my $con_type;
|
|---|
| 602 |
|
|---|
| [93] | 603 | # To contain the error message, if any.
|
|---|
| 604 | my $msg = "Unknown error deallocating $type $cidr";
|
|---|
| 605 | # Enable transactions and exception-on-errors... but only for this sub
|
|---|
| 606 | local $dbh->{AutoCommit} = 0;
|
|---|
| 607 | local $dbh->{RaiseError} = 1;
|
|---|
| 608 |
|
|---|
| 609 | # First case. The "block" is a static IP
|
|---|
| 610 | # Note that we still need some additional code in the odd case
|
|---|
| 611 | # of a netblock-aligned contiguous group of static IPs
|
|---|
| 612 | if ($type =~ /^.i$/) {
|
|---|
| 613 |
|
|---|
| 614 | eval {
|
|---|
| [157] | 615 | $msg = "Unable to deallocate $disp_alloctypes{$type} $cidr";
|
|---|
| [93] | 616 | $sth = $dbh->prepare("update poolips set custid='6750400',available='y',".
|
|---|
| [370] | 617 | "city=(select city from allocations where cidr >>= '$cidr'".
|
|---|
| 618 | " order by masklen(cidr) desc limit 1),".
|
|---|
| [93] | 619 | "description='',notes='',circuitid='' where ip='$cidr'");
|
|---|
| 620 | $sth->execute;
|
|---|
| 621 | $dbh->commit;
|
|---|
| 622 | };
|
|---|
| 623 | if ($@) {
|
|---|
| 624 | eval { $dbh->rollback; };
|
|---|
| 625 | return ('FAIL',$msg);
|
|---|
| 626 | } else {
|
|---|
| 627 | return ('OK',"OK");
|
|---|
| 628 | }
|
|---|
| 629 |
|
|---|
| 630 | } elsif ($type eq 'mm') { # end alloctype =~ /.i/
|
|---|
| 631 |
|
|---|
| 632 | $msg = "Unable to delete master block $cidr";
|
|---|
| 633 | eval {
|
|---|
| 634 | $sth = $dbh->prepare("delete from masterblocks where cidr='$cidr'");
|
|---|
| 635 | $sth->execute;
|
|---|
| [371] | 636 | $sth = $dbh->prepare("delete from freeblocks where cidr <<= '$cidr'");
|
|---|
| [93] | 637 | $sth->execute;
|
|---|
| 638 | $dbh->commit;
|
|---|
| 639 | };
|
|---|
| 640 | if ($@) {
|
|---|
| 641 | eval { $dbh->rollback; };
|
|---|
| 642 | return ('FAIL', $msg);
|
|---|
| 643 | } else {
|
|---|
| 644 | return ('OK',"OK");
|
|---|
| 645 | }
|
|---|
| 646 |
|
|---|
| 647 | } else { # end alloctype master block case
|
|---|
| 648 |
|
|---|
| 649 | ## This is a big block; but it HAS to be done in a chunk. Any removal
|
|---|
| 650 | ## of a netblock allocation may result in a larger chunk of free
|
|---|
| 651 | ## contiguous IP space - which may in turn be combined into a single
|
|---|
| 652 | ## netblock rather than a number of smaller netblocks.
|
|---|
| 653 |
|
|---|
| 654 | eval {
|
|---|
| 655 |
|
|---|
| [187] | 656 | if ($type eq 'rm') {
|
|---|
| [93] | 657 | $msg = "Unable to remove routing allocation $cidr";
|
|---|
| 658 | $sth = $dbh->prepare("delete from routed where cidr='$cidr'");
|
|---|
| 659 | $sth->execute;
|
|---|
| 660 | # Make sure block getting deleted is properly accounted for.
|
|---|
| 661 | $sth = $dbh->prepare("update freeblocks set routed='n',city='<NULL>'".
|
|---|
| 662 | " where cidr='$cidr'");
|
|---|
| 663 | $sth->execute;
|
|---|
| 664 | # Set up query to start compacting free blocks.
|
|---|
| [157] | 665 | $sth = $dbh->prepare("select cidr from freeblocks where ".
|
|---|
| [93] | 666 | "maskbits<=".$cidr->masklen." and routed='n' order by maskbits desc");
|
|---|
| 667 |
|
|---|
| 668 | } else { # end alloctype routing case
|
|---|
| 669 |
|
|---|
| [349] | 670 | # Magic. We need to get information about the containing block (if any)
|
|---|
| 671 | # so as to make sure that the freeblocks we insert get the correct "type".
|
|---|
| 672 | $sth = $dbh->prepare("select cidr,type from allocations where cidr >> '$cidr'");
|
|---|
| 673 | $sth->execute;
|
|---|
| 674 | ($container, $con_type) = $sth->fetchrow_array;
|
|---|
| 675 |
|
|---|
| [186] | 676 | # Delete all allocations within the block being deleted. This is
|
|---|
| 677 | # deliberate and correct, and removes the need to special-case
|
|---|
| 678 | # removal of "container" blocks.
|
|---|
| 679 | $sth = $dbh->prepare("delete from allocations where cidr <<='$cidr'");
|
|---|
| [93] | 680 | $sth->execute;
|
|---|
| [186] | 681 |
|
|---|
| [93] | 682 | # Special case - delete pool IPs
|
|---|
| [157] | 683 | if ($type =~ /^.[pd]$/) {
|
|---|
| [93] | 684 | # We have to delete the IPs from the pool listing.
|
|---|
| 685 | $sth = $dbh->prepare("delete from poolips where pool='$cidr'");
|
|---|
| 686 | $sth->execute;
|
|---|
| 687 | }
|
|---|
| 688 |
|
|---|
| 689 | # Set up query for compacting free blocks.
|
|---|
| [349] | 690 | if ($con_type && $con_type eq 'pc') {
|
|---|
| 691 | # Clean up after "bad" allocations (blocks that are not formally
|
|---|
| 692 | # contained which have nevertheless been allocated from a container block)
|
|---|
| 693 | # We want to make certain that the freeblocks are properly "labelled"
|
|---|
| [371] | 694 | $sth = $dbh->prepare("select cidr from freeblocks where cidr <<= '$container' order by maskbits desc");
|
|---|
| [349] | 695 | } else {
|
|---|
| 696 | # Standard deallocation.
|
|---|
| 697 | $sth = $dbh->prepare("select cidr from freeblocks where cidr <<= ".
|
|---|
| [120] | 698 | "(select cidr from routed where cidr >>= '$cidr') ".
|
|---|
| [186] | 699 | " and maskbits<=".$cidr->masklen.
|
|---|
| [350] | 700 | " and routed='".(($type =~ /^(.)r$/) ? "$1" : 'y').
|
|---|
| [186] | 701 | "' order by maskbits desc");
|
|---|
| [349] | 702 | }
|
|---|
| [93] | 703 |
|
|---|
| 704 | } # end alloctype general case
|
|---|
| 705 |
|
|---|
| [404] | 706 | ##TEMP
|
|---|
| 707 | ## Temporary wrapper to "properly" deallocate sIP PPPoE/DSL "netblocks" in 209.91.185.0/24
|
|---|
| 708 | ## Note that we should really general-case this.
|
|---|
| 709 | my $staticpool = new NetAddr::IP "209.91.185.0/24";
|
|---|
| 710 | ##TEMP
|
|---|
| 711 | if ($cidr->within($staticpool)) {
|
|---|
| 712 | ##TEMP
|
|---|
| 713 | # We've already deleted the block, now we have to stuff its IPs into the pool.
|
|---|
| 714 | my $sth2 = $dbh->prepare("insert into poolips values ('209.91.185.0/24',?,'6750400','Sudbury','di','y','','','')");
|
|---|
| 715 | $sth2->execute($cidr->addr);
|
|---|
| 716 | foreach my $ip ($cidr->hostenum) {
|
|---|
| 717 | $sth2->execute("$ip");
|
|---|
| 718 | }
|
|---|
| 719 | $cidr--;
|
|---|
| 720 | $sth2->execute($cidr->addr);
|
|---|
| 721 |
|
|---|
| 722 | ##TEMP
|
|---|
| 723 | } else {
|
|---|
| 724 | ##TEMP
|
|---|
| 725 |
|
|---|
| [93] | 726 | # Now we look for larger-or-equal-sized free blocks in the same master (routed)
|
|---|
| 727 | # (super)block. If there aren't any, we can't combine blocks anyway. If there
|
|---|
| 728 | # are, we check to see if we can combine blocks.
|
|---|
| 729 | # Execute the statement prepared in the if-else above.
|
|---|
| 730 |
|
|---|
| 731 | $sth->execute;
|
|---|
| 732 |
|
|---|
| 733 | # NetAddr::IP->compact() attempts to produce the smallest inclusive block
|
|---|
| 734 | # from the caller and the passed terms.
|
|---|
| 735 | # EG: if you call $cidr->compact($ip1,$ip2,$ip3) when $cidr, $ip1, $ip2,
|
|---|
| 736 | # and $ip3 are consecutive /27's starting on .0 (.0-.31, .32-.63,
|
|---|
| 737 | # .64-.95, and .96-.128), you will get an array containing a single
|
|---|
| 738 | # /25 as element 0 (.0-.127). Order is not important; you could have
|
|---|
| 739 | # $cidr=.32/27, $ip1=.96/27, $ip2=.0/27, and $ip3=.64/27.
|
|---|
| 740 |
|
|---|
| 741 | my (@together, @combinelist);
|
|---|
| 742 | my $i=0;
|
|---|
| 743 | while (my @data = $sth->fetchrow_array) {
|
|---|
| 744 | my $testIP = new NetAddr::IP $data[0];
|
|---|
| 745 | @together = $testIP->compact($cidr);
|
|---|
| 746 | my $num = @together;
|
|---|
| 747 | if ($num == 1) {
|
|---|
| 748 | $cidr = $together[0];
|
|---|
| 749 | $combinelist[$i++] = $testIP;
|
|---|
| 750 | }
|
|---|
| 751 | }
|
|---|
| 752 |
|
|---|
| [186] | 753 | # Clear old freeblocks entries - if any. They should all be within
|
|---|
| 754 | # the $cidr determined above.
|
|---|
| 755 | $sth = $dbh->prepare("delete from freeblocks where cidr <<='$cidr'");
|
|---|
| 756 | $sth->execute;
|
|---|
| [93] | 757 |
|
|---|
| 758 | # insert "new" freeblocks entry
|
|---|
| [187] | 759 | if ($type eq 'rm') {
|
|---|
| [157] | 760 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city)".
|
|---|
| 761 | " values ('$cidr',".$cidr->masklen.",'<NULL>')");
|
|---|
| [93] | 762 | } else {
|
|---|
| [349] | 763 | # Magic hackery to insert "correct" data for deallocation of
|
|---|
| 764 | # non-contained blocks allocated from within a container.
|
|---|
| 765 | $type = 'pr' if $con_type && $con_type eq 'pc';
|
|---|
| 766 |
|
|---|
| [157] | 767 | $sth = $dbh->prepare("insert into freeblocks (cidr,maskbits,city,routed)".
|
|---|
| 768 | " values ('$cidr',".$cidr->masklen.
|
|---|
| [186] | 769 | ",(select city from routed where cidr >>= '$cidr'),'".
|
|---|
| [189] | 770 | (($type =~ /^(.)r$/) ? "$1" : 'y')."')");
|
|---|
| [93] | 771 | }
|
|---|
| 772 | $sth->execute;
|
|---|
| 773 |
|
|---|
| [404] | 774 | ##TEMP
|
|---|
| 775 | }
|
|---|
| 776 | ##TEMP
|
|---|
| 777 |
|
|---|
| [93] | 778 | # If we got here, we've succeeded. Whew!
|
|---|
| 779 | $dbh->commit;
|
|---|
| 780 | }; # end eval
|
|---|
| 781 | if ($@) {
|
|---|
| 782 | eval { $dbh->rollback; };
|
|---|
| 783 | return ('FAIL', $msg);
|
|---|
| 784 | } else {
|
|---|
| 785 | return ('OK',"OK");
|
|---|
| 786 | }
|
|---|
| 787 |
|
|---|
| 788 | } # end alloctype != netblock
|
|---|
| 789 |
|
|---|
| 790 | } # end deleteBlock()
|
|---|
| 791 |
|
|---|
| 792 |
|
|---|
| [370] | 793 | ## IPDB::getBlockData()
|
|---|
| 794 | # Return custid, type, city, and description for a block
|
|---|
| 795 | sub getBlockData {
|
|---|
| 796 | my $dbh = shift;
|
|---|
| 797 | my $block = shift;
|
|---|
| 798 |
|
|---|
| 799 | my $sth = $dbh->prepare("select cidr,custid,type,city,description from searchme".
|
|---|
| 800 | " where cidr='$block'");
|
|---|
| 801 | $sth->execute();
|
|---|
| 802 | return $sth->fetchrow_array();
|
|---|
| 803 | } # end getBlockData()
|
|---|
| 804 |
|
|---|
| 805 |
|
|---|
| [77] | 806 | ## IPDB::mailNotify()
|
|---|
| [66] | 807 | # Sends notification mail to recipients regarding an IPDB operation
|
|---|
| 808 | sub mailNotify ($$$) {
|
|---|
| 809 | my ($recip,$subj,$message) = @_;
|
|---|
| [69] | 810 | my $mailer = Net::SMTP->new("smtp.example.com", Hello => "ipdb.example.com");
|
|---|
| [66] | 811 |
|
|---|
| 812 | $mailer->mail('ipdb@example.com');
|
|---|
| 813 | $mailer->to($recip);
|
|---|
| [69] | 814 | $mailer->data("From: \"IP Database\" <ipdb\@example.com>\n",
|
|---|
| [135] | 815 | "To: $recip\n",
|
|---|
| [69] | 816 | "Date: ".strftime("%a, %d %b %Y %H:%M:%S %z",localtime)."\n",
|
|---|
| 817 | "Subject: {IPDB} $subj\n",
|
|---|
| 818 | "X-Mailer: IPDB Notify v".sprintf("%.1d",$IPDB::VERSION)."\n",
|
|---|
| 819 | "Organization: Example Corp\n",
|
|---|
| 820 | "\n$message\n");
|
|---|
| [66] | 821 | $mailer->quit;
|
|---|
| 822 | }
|
|---|
| 823 |
|
|---|
| [4] | 824 | # Indicates module loaded OK. Required by Perl.
|
|---|
| 825 | 1;
|
|---|
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