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Add XML support for keepass keyfile and improve performance by not using chdir()

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This commit is contained in:
Jens Steube 2022-08-25 20:33:10 +02:00
parent fd5700a607
commit e363bf787e
1 changed files with 56 additions and 9 deletions
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65
tools/recursivefiles2sha256sum.pl Normal file → Executable file
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@ -3,7 +3,7 @@
## ##
## This script was created to be used in conjunction with Hashcat mode 29700 (Keepass in keyfile only mode). ## This script was created to be used in conjunction with Hashcat mode 29700 (Keepass in keyfile only mode).
## This can be useful if you have a partition and forgot which of the files was used as the keyfile. ## This can be useful if you have a partition and forgot which of the files was used as the keyfile.
## ##
## Example use (if your target drive is mounted to /mnt/sda1 and (optionally) another one to /mnt/sda2): ## Example use (if your target drive is mounted to /mnt/sda1 and (optionally) another one to /mnt/sda2):
## ##
## $ perl recursivefiles2sha256sum /mnt/sda1 /mnt/sda2 > wordlist.dict ## $ perl recursivefiles2sha256sum /mnt/sda1 /mnt/sda2 > wordlist.dict
@ -16,30 +16,77 @@ use strict;
use warnings; use warnings;
use File::Find; use File::Find;
use Digest::SHA; use Digest::SHA;
use XML::Simple;
my $sha = Digest::SHA->new ("sha256"); my $sha = Digest::SHA->new ("sha256");
my @folders = @ARGV; my @folders = @ARGV;
if (scalar @folders == 0) if (scalar @folders == 0)
{ {
die ("use: $0 folder1 folder2...\n"); die ("use: $0 folder1 folder2...\n");
} }
find (\&handlefile, @folders); my $conf =
{
wanted => \&handlefile,
no_chdir => 1,
};
sub handlefile find ($conf, @folders);
sub handlefile
{ {
my $file = $_; my $file = $_;
return unless -f $file; return unless -f $file;
return unless -r $file; return unless -r $file;
my $sha_copy = $sha->clone;
$sha_copy->addfile ($file); open (my $fh, $file) or return;
my $digest = $sha_copy->hexdigest; binmode $fh;
print "$digest\n"; my $nread = read ($fh, my $data, 5);
close ($fh);
my $xmlhash;
if (($nread == 5) && ($data eq "<?xml"))
{
my $xml = eval { XMLin ($file) or die };
if ($@)
{
# not interesting
}
else
{
if (exists $xml->{"Key"} && exists $xml->{"Key"}->{"Data"})
{
chomp $xml->{"Key"}->{"Data"};
$xmlhash = $xml->{"Key"}->{"Data"};
}
else
{
# not interesting
}
}
}
if (defined $xmlhash)
{
print "$xmlhash\n";
}
else
{
my $sha_copy = $sha->clone;
$sha_copy->addfile ($file);
my $digest = $sha_copy->hexdigest;
print "$digest\n";
}
} }