1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
# This file is part of the Mageia project
# Copyright (C) 2011 Damien Lallement <dams@mageia.org>
# (C) 2011 Romain D'Alverny <rda@mageia.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this library; see the file COPYING.LIB. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
use Test::Most;
bail_on_fail;
my ($image_path) = @ARGV;
ok(is_hybrid($image_path, 0), "Is hybrid");
# Verification if the ISO is hybrid
sub is_hybrid {
my ($img, $full) = @_;
open(my $iso, $img);
my $hybrid = hybrid1($iso);
$hybrid &= hybrid2($iso);
$hybrid &= hybrid3($iso);
if ($full) {
# system "dd if=$img of=/dev/my-pendrive bs=8";
}
close($iso);
return $hybrid;
}
# Check the first 512 bytes of the iso
sub hybrid1 {
my ($iso) = @_;
my $buffer;
my $hybrid;
foreach (0 .. 512) {
read($iso, $buffer, 1);
if ($buffer ne '\x00') {
$hybrid = 1;
}
}
return $hybrid;
}
#Check the 0x1fe & 0x1ff bytes of the iso
sub hybrid2 {
my ($iso) = @_;
my $hybrid;
my $buffer;
my $byte = "\x55";
seek($iso, 0x1fe, 0);
read($iso, $buffer, 1);
if ($buffer eq $byte) {
read($iso, $buffer, 1);
$byte = "\xaa";
if ($buffer eq $byte) {
$hybrid = 1;
}
}
return $hybrid;
}
# check from the 0x200 to the 0x8000 bytes
sub hybrid3 {
my ($iso) = @_;
my $hybrid = 1;
my $buffer;
seek($iso, 0x200, 0);
foreach (0x200 .. 0x8000) {
read($iso, $buffer, 1);
if ($buffer eq '\x00') {
$hybrid = 0;
}
}
return $hybrid;
}
done_testing();
|
