scripts/dlink.pl

   1 #!/usr/bin/perl
   2 #
   3 #   D-Link DSL-G6x4T flash utility
   4 #
   5 #   Copyright (C) 2005 Felix Fietkau <mailto@nbd.name>
   6 #   based on fbox recovery util by Enrik Berkhan
   7 #
   8 #   This program is free software; you can redistribute it and/or modify
   9 #   it under the terms of the GNU General Public License as published by
  10 #   the Free Software Foundation; either version 2 of the License, or
  11 #   (at your option) any later version.
  12 #
  13 #   This program is distributed in the hope that it will be useful,
  14 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #   GNU General Public License for more details.
  17 #
  18 #   You should have received a copy of the GNU General Public License
  19 #   along with this program; if not, write to the Free Software
  20 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21 #
  22
  23 use IO::Socket::INET;
  24 use Socket;
  25 use strict;
  26 use warnings;
  27
  28 sub usage() {
  29         print STDERR "Usage: $0 <ip> [firmware.bin]\n\n";
  30         exit 0;
  31 }
  32
  33 my $ip = shift @ARGV;
  34 $ip and $ip =~ /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/ or usage();
  35
  36 my $probe = IO::Socket::INET->new(Proto => 'udp',
  37                                   Broadcast => 1,
  38                                   LocalPort => 5035) or die "socket: $!";
  39 my $setip = unpack("N", inet_aton($ip));
  40 $setip > 0 or usage();
  41
  42 print STDERR "Looking for device: ";
  43 my $packet = pack("vCCVNV", 0, 22, 2, 1, $setip, 0);
  44 my $broadcast = sockaddr_in(5035, INADDR_BROADCAST);
  45 my $scanning;
  46 my $box;
  47
  48 $SIG{"ALRM"} = sub {
  49         return if --$scanning <= 0;
  50         $probe->send($packet, 0, $broadcast);
  51         print STDERR ".";
  52 };
  53
  54 $scanning = 10;
  55 $probe->send($packet, 0, $broadcast);
  56 print STDERR ".";
  57
  58 while($scanning) {
  59         my $reply;
  60
  61         alarm(1);
  62         if (my $peer = $probe->recv($reply, 16)) {
  63                 next if (length($reply) < 16);
  64                 my ($port, $addr) = sockaddr_in($peer);
  65                 my ($major, $minor1, $minor2, $code, $addr2) = unpack("vCCVV", $reply);
  66                 $addr2 = pack("N", $addr2);
  67                 if ($code == 2) {
  68                         $scanning = 0;
  69                         printf STDERR " found!\nADAM2 version $major.$minor1.$minor2 at %s (%s)\n", inet_ntoa($addr), inet_ntoa($addr2);
  70                         $box = inet_ntoa($addr);
  71                 }
  72         }
  73 }
  74
  75 $box or die " not found!\n";
  76
  77 {
  78         package ADAM2FTP;
  79         use base qw(Net::FTP);
  80
  81         # ADAM2 requires upper case commands, some brain dead firewall doesn't ;-)
  82         sub _USER {
  83                 shift->command("USER",@_)->response()
  84         }
  85
  86         sub _GETENV {
  87                 my $ftp = shift;
  88                 my ($ok, $name, $value);
  89
  90                 $ftp->command("GETENV",@_);
  91                         while(length($ok = $ftp->response()) < 1) {
  92                         my $line = $ftp->getline();
  93                         unless (defined($value)) {
  94                                 chomp($line);
  95                                 ($name, $value) = split(/\s+/, $line, 2);
  96                         }
  97                 }
  98                 $ftp->debug_print(0, "getenv: $value\n")
  99                 if $ftp->debug();
 100                 return $value;
 101         }
 102
 103         sub getenv {
 104                 my $ftp = shift;
 105                 my $name = shift;
 106                 return $ftp->_GETENV($name);
 107         }
 108
 109         sub _REBOOT {
 110                 shift->command("REBOOT")->response() == Net::FTP::CMD_OK
 111         }
 112
 113         sub reboot {
 114                 my $ftp = shift;
 115                 $ftp->_REBOOT;
 116                 $ftp->close;
 117         }
 118 }
 119
 120 my $file = shift @ARGV;
 121 $file || exit 0;
 122
 123 open FILE, "<$file" or die "can't open firmware file\n";
 124 my $ftp = ADAM2FTP->new($box, Debug => 0, Timeout => 600) or die "can't open control connection\n";
 125 $ftp->login("adam2", "adam2") or die "can't login\n";
 126
 127 my $mtd0 = $ftp->getenv("mtd0");
 128 my $mtd1 = $ftp->getenv("mtd1");
 129 my ($ksize, $fssize);
 130
 131 $mtd1 =~ /^(0x\w+),(0x\w+)$/ and $ksize = hex($2) - hex($1);
 132 $mtd0 =~ /^(0x\w+),(0x\w+)$/ and $fssize = hex($2) - hex($1);
 133 $ksize and $fssize or die 'cannot read partition offsets';
 134 printf STDERR "Available flash space: 0x%08x (0x%08x + 0x%08x)\n", $ksize + $fssize, $ksize, $fssize;
 135
 136 $ftp->command("MEDIA FLSH")->response();
 137 $ftp->binary();
 138 print STDERR "Writing to mtd1...\n";
 139
 140 my $dc = $ftp->stor("fs mtd1");
 141 $dc or die "can't open data connection\n";
 142 my $rbytes = 1;
 143
 144 while (($ksize > 0) and ($rbytes > 0)) {
 145         my $buffer;
 146         my $len = ($ksize > 1024 ? 1024 : $ksize);
 147         $rbytes = read FILE, $buffer, $len;
 148         $rbytes and $ksize -= $dc->write($buffer, $rbytes, 600);
 149 }
 150
 151 $dc->close();
 152 $rbytes or die "no more data left to write\n";
 153
 154 print STDERR "Writing to mtd0...\n";
 155
 156 $dc = $ftp->stor("fs mtd0");
 157 $dc or die "can't open data connection\n";
 158
 159 while (($fssize > 0) and ($rbytes > 0)) {
 160         my $buffer;
 161         my $len = ($fssize > 1024 ? 1024 : $fssize);
 162         $rbytes = read FILE, $buffer, $len;
 163         $rbytes and $fssize -= $dc->write($buffer, $rbytes, 600);
 164 }
 165
 166 $dc->close();
 167 $ftp->reboot();