aboutsummaryrefslogtreecommitdiffstats
path: root/scripts/flashing/adsl2mue_flash.pl
blob: c206c471fd8cf5d438039a03de320a7133bf1438 (plain)
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
#!/usr/bin/perl
#
#   Linksys ADSL2MUE Flash utility.
#
#   Copyright (C) 2008 Alexandre Lissy <alexandrelissy@free.fr>
#   based on D-Link DSL-G6x4T flash utility by Felix Fietkau <mailto@nbd.name>
#   based on fbox recovery util by Enrik Berkhan
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program 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 General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

use IO::Socket::INET;
use Socket;
use strict;
use warnings;

sub usage() {
	print STDERR "Usage: $0 <ip> [firmware.bin] [partition]\n\n";
	exit 0;
}

my $ip = shift @ARGV;
$ip and $ip =~ /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/ or usage();

my $probe = IO::Socket::INET->new(Proto => 'udp',
                                  Broadcast => 1,
                                  LocalPort => 5035) or die "socket: $!";
my $setip = unpack("N", inet_aton($ip));
$setip > 0 or usage();

my @packets;
foreach my $ver ([18, 1], [22, 2]) {
	push @packets, pack("vCCVNV", 0, @$ver, 1, $setip, 0);
}
print STDERR "Looking for device: ";
my $broadcast = sockaddr_in(5035, INADDR_BROADCAST);
my $scanning;
my $box;

$SIG{"ALRM"} = sub {
	return if --$scanning <= 0;
	foreach my $packet (@packets) {
		$probe->send($packet, 0, $broadcast);
	}
	print STDERR ".";
};

$scanning = 10;
foreach my $packet (@packets) {
	$probe->send($packet, 0, $broadcast);
}
print STDERR ".";

while($scanning) {
	my $reply;

	alarm(1);
	if (my $peer = $probe->recv($reply, 16)) {
		next if (length($reply) < 16);
		my ($port, $addr) = sockaddr_in($peer);
		my ($major, $minor1, $minor2, $code, $addr2) = unpack("vCCVN", $reply);
		$addr2 = pack("N", $addr2);
		if ($code == 1) {
			$scanning = 0;
			printf STDERR " found!\nADAM2 version $major.$minor1.$minor2 at %s (%s)\n", inet_ntoa($addr2), inet_ntoa($addr);
			$box = inet_ntoa($addr2);
		}
	}
}

$box or die " not found!\n";

{
	package ADAM2FTP;
	use base qw(Net::FTP);
	
	# ADAM2 requires upper case commands, some brain dead firewall doesn't ;-)
	sub _USER {
		shift->command("USER",@_)->response()
	}
	
	sub _GETENV {
		my $ftp = shift;
		my ($ok, $name, $value);
		
		$ftp->command("GETENV",@_);
			while(length($ok = $ftp->response()) < 1) {
			my $line = $ftp->getline();
			unless (defined($value)) {
				chomp($line);
				($name, $value) = split(/\s+/, $line, 2);
			}
		}
		$ftp->debug_print(0, "getenv: $value\n")
		if $ftp->debug();
		return $value;
	}
	
	sub getenv {
		my $ftp = shift;
		my $name = shift;
		return $ftp->_GETENV($name);
	}
	
	sub _REBOOT {
		shift->command("REBOOT")->response() == Net::FTP::CMD_OK
	}
	
	sub reboot {
		my $ftp = shift;
		$ftp->_REBOOT;
		$ftp->close;
	}
}

my $file = shift @ARGV;
my $part = shift @ARGV;
$file || exit 0;
$part || exit 0;

open FILE, "<$file" or die "can't open firmware file\n";
my $ftp = ADAM2FTP->new($box, Debug => 0, Timeout => 600) or die "can't open control connection\n";
$ftp->login("adam2", "adam2") or die "can't login\n";

# my $mtd0 = $ftp->getenv("mtd0");
# my $mtd1 = $ftp->getenv("mtd1");
my $mtd4 = $ftp->getenv($part);
# my ($ksize, $fssize);
my ($ossize, $mtd_start, $mtd_end);

# $mtd1 =~ /^(0x\w+),(0x\w+)$/ and $ksize = hex($2) - hex($1);
# $mtd0 =~ /^(0x\w+),(0x\w+)$/ and $fssize = hex($2) - hex($1);
$mtd4 =~ /^(0x\w+),(0x\w+)$/;
$ossize = hex($2) - hex($1);
$mtd_start = hex($1);
$mtd_end = hex($2);
$ossize and $mtd_start and $mtd_end or die 'cannot read partition offsets';
printf STDERR "Available flash space: 0x%08x ($part: 0x%08x to 0x%08x)\n", $ossize, $mtd_start, $mtd_end;

$ftp->command("MEDIA FLSH")->response();
$ftp->binary();

print STDERR "Writing to $part ...\n";
my $dc = $ftp->stor("data $part");
$dc or die "can't open data connection\n";
my $rbytes = 1;

while (($ossize > 0) and ($rbytes > 0)) {
	my $buffer;
	my $len = ($ossize > 1024 ? 1024 : $ossize);
	$rbytes = read FILE, $buffer, $len;
	printf STDERR ".";
	$rbytes and $ossize -= $dc->write($buffer, $rbytes, 600);
}

printf STDERR "\nDone.\n";

$dc->close();