scripts/adam2flash.pl

   1 #!/usr/bin/env 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 my @packets;
  43 foreach my $ver ([18, 1], [22, 2]) {
  44         push @packets, pack("vCCVNV", 0, @$ver, 1, $setip, 0);
  45 }
  46 print STDERR "Looking for device: ";
  47 my $broadcast = sockaddr_in(5035, INADDR_BROADCAST);
  48 my $scanning;
  49 my $box;
  50
  51 $SIG{"ALRM"} = sub {
  52         return if --$scanning <= 0;
  53         foreach my $packet (@packets) {
  54                 $probe->send($packet, 0, $broadcast);
  55         }
  56         print STDERR ".";
  57 };
  58
  59 $scanning = 10;
  60 foreach my $packet (@packets) {
  61         $probe->send($packet, 0, $broadcast);
  62 }
  63 print STDERR ".";
  64
  65 while($scanning) {
  66         my $reply;
  67
  68         alarm(1);
  69         if (my $peer = $probe->recv($reply, 16)) {
  70                 next if (length($reply) < 16);
  71                 my ($port, $addr) = sockaddr_in($peer);
  72                 my ($major, $minor1, $minor2, $code, $addr2) = unpack("vCCVV", $reply);
  73                 $addr2 = pack("N", $addr2);
  74                 if ($code == 2) {
  75                         $scanning = 0;
  76                         printf STDERR " found!\nADAM2 version $major.$minor1.$minor2 at %s (%s)\n", inet_ntoa($addr), inet_ntoa($addr2);
  77                         $box = inet_ntoa($addr);
  78                 }
  79         }
  80 }
  81
  82 $box or die " not found!\n";
  83
  84 {
  85         package ADAM2FTP;
  86         use base qw(Net::FTP);
  87
  88         # ADAM2 requires upper case commands, some brain dead firewall doesn't ;-)
  89         sub _USER {
  90                 shift->command("USER",@_)->response()
  91         }
  92
  93         sub _GETENV {
  94                 my $ftp = shift;
  95                 my ($ok, $name, $value);
  96
  97                 $ftp->command("GETENV",@_);
  98                         while(length($ok = $ftp->response()) < 1) {
  99                         my $line = $ftp->getline();
 100                         unless (defined($value)) {
 101                                 chomp($line);
 102                                 ($name, $value) = split(/\s+/, $line, 2);
 103                         }
 104                 }
 105                 $ftp->debug_print(0, "getenv: $value\n")
 106                 if $ftp->debug();
 107                 return $value;
 108         }
 109
 110         sub getenv {
 111                 my $ftp = shift;
 112                 my $name = shift;
 113                 return $ftp->_GETENV($name);
 114         }
 115
 116         sub _REBOOT {
 117                 shift->command("REBOOT")->response() == Net::FTP::CMD_OK
 118         }
 119
 120         sub reboot {
 121                 my $ftp = shift;
 122                 $ftp->_REBOOT;
 123                 $ftp->close;
 124         }
 125 }
 126
 127 my $file = shift @ARGV;
 128 $file || exit 0;
 129
 130 open FILE, "<$file" or die "can't open firmware file\n";
 131 my $ftp = ADAM2FTP->new($box, Debug => 0, Timeout => 600) or die "can't open control connection\n";
 132 $ftp->login("adam2", "adam2") or die "can't login\n";
 133
 134 my $mtd0 = $ftp->getenv("mtd0");
 135 my $mtd1 = $ftp->getenv("mtd1");
 136 my ($ksize, $fssize);
 137
 138 $mtd1 =~ /^(0x\w+),(0x\w+)$/ and $ksize = hex($2) - hex($1);
 139 $mtd0 =~ /^(0x\w+),(0x\w+)$/ and $fssize = hex($2) - hex($1);
 140 $ksize and $fssize or die 'cannot read partition offsets';
 141 printf STDERR "Available flash space: 0x%08x (0x%08x + 0x%08x)\n", $ksize + $fssize, $ksize, $fssize;
 142
 143 $ftp->command("MEDIA FLSH")->response();
 144 $ftp->binary();
 145 print STDERR "Writing to mtd1...\n";
 146
 147 my $dc = $ftp->stor("fs mtd1");
 148 $dc or die "can't open data connection\n";
 149 my $rbytes = 1;
 150
 151 while (($ksize > 0) and ($rbytes > 0)) {
 152         my $buffer;
 153         my $len = ($ksize > 1024 ? 1024 : $ksize);
 154         $rbytes = read FILE, $buffer, $len;
 155         $rbytes and $ksize -= $dc->write($buffer, $rbytes, 600);
 156 }
 157
 158 $dc->close();
 159 $rbytes or die "no more data left to write\n";
 160
 161 print STDERR "Writing to mtd0...\n";
 162
 163 $dc = $ftp->stor("fs mtd0");
 164 $dc or die "can't open data connection\n";
 165
 166 while (($fssize > 0) and ($rbytes > 0)) {
 167         my $buffer;
 168         my $len = ($fssize > 1024 ? 1024 : $fssize);
 169         $rbytes = read FILE, $buffer, $len;
 170         $rbytes and $fssize -= $dc->write($buffer, $rbytes, 600);
 171 }
 172
 173 $dc->close();
 174 $ftp->reboot();