scripts/flashing/adsl2mue_flash.pl

   1 #!/usr/bin/perl
   2 #
   3 #   Linksys ADSL2MUE Flash utility.
   4 #
   5 #   Copyright (C) 2008 Alexandre Lissy <alexandrelissy@free.fr>
   6 #   based on D-Link DSL-G6x4T flash utility by Felix Fietkau <mailto@nbd.name>
   7 #   based on fbox recovery util by Enrik Berkhan
   8 #
   9 #   This program is free software; you can redistribute it and/or modify
  10 #   it under the terms of the GNU General Public License as published by
  11 #   the Free Software Foundation; either version 2 of the License, or
  12 #   (at your option) any later version.
  13 #
  14 #   This program is distributed in the hope that it will be useful,
  15 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 #   GNU General Public License for more details.
  18 #
  19 #   You should have received a copy of the GNU General Public License
  20 #   along with this program; if not, write to the Free Software
  21 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22 #
  23
  24 use IO::Socket::INET;
  25 use Socket;
  26 use strict;
  27 use warnings;
  28
  29 sub usage() {
  30         print STDERR "Usage: $0 <ip> [firmware.bin] [partition]\n\n";
  31         exit 0;
  32 }
  33
  34 my $ip = shift @ARGV;
  35 $ip and $ip =~ /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/ or usage();
  36
  37 my $probe = IO::Socket::INET->new(Proto => 'udp',
  38                                   Broadcast => 1,
  39                                   LocalPort => 5035) or die "socket: $!";
  40 my $setip = unpack("N", inet_aton($ip));
  41 $setip > 0 or usage();
  42
  43 my @packets;
  44 foreach my $ver ([18, 1], [22, 2]) {
  45         push @packets, pack("vCCVNV", 0, @$ver, 1, $setip, 0);
  46 }
  47 print STDERR "Looking for device: ";
  48 my $broadcast = sockaddr_in(5035, INADDR_BROADCAST);
  49 my $scanning;
  50 my $box;
  51
  52 $SIG{"ALRM"} = sub {
  53         return if --$scanning <= 0;
  54         foreach my $packet (@packets) {
  55                 $probe->send($packet, 0, $broadcast);
  56         }
  57         print STDERR ".";
  58 };
  59
  60 $scanning = 10;
  61 foreach my $packet (@packets) {
  62         $probe->send($packet, 0, $broadcast);
  63 }
  64 print STDERR ".";
  65
  66 while($scanning) {
  67         my $reply;
  68
  69         alarm(1);
  70         if (my $peer = $probe->recv($reply, 16)) {
  71                 next if (length($reply) < 16);
  72                 my ($port, $addr) = sockaddr_in($peer);
  73                 my ($major, $minor1, $minor2, $code, $addr2) = unpack("vCCVN", $reply);
  74                 $addr2 = pack("N", $addr2);
  75                 if ($code == 1) {
  76                         $scanning = 0;
  77                         printf STDERR " found!\nADAM2 version $major.$minor1.$minor2 at %s (%s)\n", inet_ntoa($addr2), inet_ntoa($addr);
  78                         $box = inet_ntoa($addr2);
  79                 }
  80         }
  81 }
  82
  83 $box or die " not found!\n";
  84
  85 {
  86         package ADAM2FTP;
  87         use base qw(Net::FTP);
  88
  89         # ADAM2 requires upper case commands, some brain dead firewall doesn't ;-)
  90         sub _USER {
  91                 shift->command("USER",@_)->response()
  92         }
  93
  94         sub _GETENV {
  95                 my $ftp = shift;
  96                 my ($ok, $name, $value);
  97
  98                 $ftp->command("GETENV",@_);
  99                         while(length($ok = $ftp->response()) < 1) {
 100                         my $line = $ftp->getline();
 101                         unless (defined($value)) {
 102                                 chomp($line);
 103                                 ($name, $value) = split(/\s+/, $line, 2);
 104                         }
 105                 }
 106                 $ftp->debug_print(0, "getenv: $value\n")
 107                 if $ftp->debug();
 108                 return $value;
 109         }
 110
 111         sub getenv {
 112                 my $ftp = shift;
 113                 my $name = shift;
 114                 return $ftp->_GETENV($name);
 115         }
 116
 117         sub _REBOOT {
 118                 shift->command("REBOOT")->response() == Net::FTP::CMD_OK
 119         }
 120
 121         sub reboot {
 122                 my $ftp = shift;
 123                 $ftp->_REBOOT;
 124                 $ftp->close;
 125         }
 126 }
 127
 128 my $file = shift @ARGV;
 129 my $part = shift @ARGV;
 130 $file || exit 0;
 131 $part || exit 0;
 132
 133 open FILE, "<$file" or die "can't open firmware file\n";
 134 my $ftp = ADAM2FTP->new($box, Debug => 0, Timeout => 600) or die "can't open control connection\n";
 135 $ftp->login("adam2", "adam2") or die "can't login\n";
 136
 137 # my $mtd0 = $ftp->getenv("mtd0");
 138 # my $mtd1 = $ftp->getenv("mtd1");
 139 my $mtd4 = $ftp->getenv($part);
 140 # my ($ksize, $fssize);
 141 my ($ossize, $mtd_start, $mtd_end);
 142
 143 # $mtd1 =~ /^(0x\w+),(0x\w+)$/ and $ksize = hex($2) - hex($1);
 144 # $mtd0 =~ /^(0x\w+),(0x\w+)$/ and $fssize = hex($2) - hex($1);
 145 $mtd4 =~ /^(0x\w+),(0x\w+)$/;
 146 $ossize = hex($2) - hex($1);
 147 $mtd_start = hex($1);
 148 $mtd_end = hex($2);
 149 $ossize and $mtd_start and $mtd_end or die 'cannot read partition offsets';
 150 printf STDERR "Available flash space: 0x%08x ($part: 0x%08x to 0x%08x)\n", $ossize, $mtd_start, $mtd_end;
 151
 152 $ftp->command("MEDIA FLSH")->response();
 153 $ftp->binary();
 154
 155 print STDERR "Writing to $part ...\n";
 156 my $dc = $ftp->stor("data $part");
 157 $dc or die "can't open data connection\n";
 158 my $rbytes = 1;
 159
 160 while (($ossize > 0) and ($rbytes > 0)) {
 161         my $buffer;
 162         my $len = ($ossize > 1024 ? 1024 : $ossize);
 163         $rbytes = read FILE, $buffer, $len;
 164         printf STDERR ".";
 165         $rbytes and $ossize -= $dc->write($buffer, $rbytes, 600);
 166 }
 167
 168 printf STDERR "\nDone.\n";
 169
 170 $dc->close();