--- /dev/null
+#!/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();