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#!/usr/bin/perl
# Name: dbinfo -- identify berkeley DB version used to create
# a database file
#
# Author: Paul Marquess <Paul.Marquess@btinternet.com>
# Version: 1.07
# Date 2nd April 2011
#
# Copyright (c) 1998-2011 Paul Marquess. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
# Todo: Print more stats on a db file, e.g. no of records
# add log/txn/lock files
use strict ;
my %Data =
(
0x053162 => # DB_BTREEMAGIC
{
Type => "Btree",
Versions => # DB_BTREEVERSION
{
1 => [0, "Unknown (older than 1.71)"],
2 => [0, "Unknown (older than 1.71)"],
3 => [0, "1.71 -> 1.85, 1.86"],
4 => [0, "Unknown"],
5 => [0, "2.0.0 -> 2.3.0"],
6 => [0, "2.3.1 -> 2.7.7"],
7 => [0, "3.0.x"],
8 => [0, "3.1.x -> 4.0.x"],
9 => [1, "4.1.x or greater"],
}
},
0x061561 => # DB_HASHMAGIC
{
Type => "Hash",
Versions => # DB_HASHVERSION
{
1 => [0, "Unknown (older than 1.71)"],
2 => [0, "1.71 -> 1.85"],
3 => [0, "1.86"],
4 => [0, "2.0.0 -> 2.1.0"],
5 => [0, "2.2.6 -> 2.7.7"],
6 => [0, "3.0.x"],
7 => [0, "3.1.x -> 4.0.x"],
8 => [1, "4.1.x or greater"],
9 => [1, "4.6.x or greater"],
}
},
0x042253 => # DB_QAMMAGIC
{
Type => "Queue",
Versions => # DB_QAMVERSION
{
1 => [0, "3.0.x"],
2 => [0, "3.1.x"],
3 => [0, "3.2.x -> 4.0.x"],
4 => [1, "4.1.x or greater"],
}
},
0x074582 => # DB_HEAPMAGIC
{
Type => "Heap",
Versions => # DB_HEAPVERSION
{
1 => [1, "5.2.x"],
}
},
) ;
die "Usage: dbinfo file\n" unless @ARGV == 1 ;
print "testing file $ARGV[0]...\n\n" ;
open (F, "<$ARGV[0]") or die "Cannot open file $ARGV[0]: $!\n" ;
my $buff ;
read F, $buff, 30 ;
my (@info) = unpack("NNNNNNC", $buff) ;
my (@info1) = unpack("VVVVVVC", $buff) ;
my ($magic, $version, $endian, $encrypt) ;
if ($Data{$info[0]}) # first try DB 1.x format, big endian
{
$magic = $info[0] ;
$version = $info[1] ;
$endian = "Big Endian" ;
$encrypt = "Not Supported";
}
elsif ($Data{$info1[0]}) # first try DB 1.x format, little endian
{
$magic = $info1[0] ;
$version = $info1[1] ;
$endian = "Little Endian" ;
$encrypt = "Not Supported";
}
elsif ($Data{$info[3]}) # next DB 2.x big endian
{
$magic = $info[3] ;
$version = $info[4] ;
$endian = "Big Endian" ;
}
elsif ($Data{$info1[3]}) # next DB 2.x little endian
{
$magic = $info1[3] ;
$version = $info1[4] ;
$endian = "Little Endian" ;
}
else
{ die "not a Berkeley DB database file.\n" }
my $type = $Data{$magic} ;
$magic = sprintf "%06X", $magic ;
my $ver_string = "Unknown" ;
if ( defined $type->{Versions}{$version} )
{
$ver_string = $type->{Versions}{$version}[1];
if ($type->{Versions}{$version}[0] )
{ $encrypt = $info[6] ? "Enabled" : "Disabled" }
else
{ $encrypt = "Not Supported" }
}
print <<EOM ;
File Type: Berkeley DB $type->{Type} file.
File Version ID: $version
Built with Berkeley DB: $ver_string
Byte Order: $endian
Magic: $magic
Encryption: $encrypt
EOM
close F ;
exit ;
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