mirror of https://github.com/hak5/openwrt.git
Florian Fainelli
parent
9734211161
commit
36b3feca06
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#!/usr/bin/perl
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#
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# Linksys ADSL2MUE Flash utility.
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#
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# Copyright (C) 2008 Alexandre Lissy <alexandrelissy@free.fr>
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# based on D-Link DSL-G6x4T flash utility by Felix Fietkau <mailto@nbd.name>
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# based on fbox recovery util by Enrik Berkhan
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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use IO::Socket::INET;
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use Socket;
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use strict;
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use warnings;
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sub usage() {
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print STDERR "Usage: $0 <ip> [firmware.bin] [partition]\n\n";
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exit 0;
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}
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my $ip = shift @ARGV;
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$ip and $ip =~ /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/ or usage();
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my $probe = IO::Socket::INET->new(Proto => 'udp',
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Broadcast => 1,
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LocalPort => 5035) or die "socket: $!";
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my $setip = unpack("N", inet_aton($ip));
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$setip > 0 or usage();
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my @packets;
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foreach my $ver ([18, 1], [22, 2]) {
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push @packets, pack("vCCVNV", 0, @$ver, 1, $setip, 0);
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}
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print STDERR "Looking for device: ";
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my $broadcast = sockaddr_in(5035, INADDR_BROADCAST);
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my $scanning;
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my $box;
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$SIG{"ALRM"} = sub {
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return if --$scanning <= 0;
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foreach my $packet (@packets) {
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$probe->send($packet, 0, $broadcast);
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}
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print STDERR ".";
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};
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$scanning = 10;
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foreach my $packet (@packets) {
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$probe->send($packet, 0, $broadcast);
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}
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print STDERR ".";
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while($scanning) {
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my $reply;
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alarm(1);
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if (my $peer = $probe->recv($reply, 16)) {
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next if (length($reply) < 16);
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my ($port, $addr) = sockaddr_in($peer);
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my ($major, $minor1, $minor2, $code, $addr2) = unpack("vCCVN", $reply);
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$addr2 = pack("N", $addr2);
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if ($code == 1) {
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$scanning = 0;
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printf STDERR " found!\nADAM2 version $major.$minor1.$minor2 at %s (%s)\n", inet_ntoa($addr2), inet_ntoa($addr);
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$box = inet_ntoa($addr2);
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}
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}
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}
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$box or die " not found!\n";
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{
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package ADAM2FTP;
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use base qw(Net::FTP);
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# ADAM2 requires upper case commands, some brain dead firewall doesn't ;-)
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sub _USER {
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shift->command("USER",@_)->response()
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}
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sub _GETENV {
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my $ftp = shift;
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my ($ok, $name, $value);
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$ftp->command("GETENV",@_);
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while(length($ok = $ftp->response()) < 1) {
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my $line = $ftp->getline();
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unless (defined($value)) {
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chomp($line);
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($name, $value) = split(/\s+/, $line, 2);
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}
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}
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$ftp->debug_print(0, "getenv: $value\n")
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if $ftp->debug();
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return $value;
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}
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sub getenv {
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my $ftp = shift;
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my $name = shift;
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return $ftp->_GETENV($name);
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}
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sub _REBOOT {
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shift->command("REBOOT")->response() == Net::FTP::CMD_OK
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}
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sub reboot {
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my $ftp = shift;
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$ftp->_REBOOT;
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$ftp->close;
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}
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}
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my $file = shift @ARGV;
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my $part = shift @ARGV;
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$file || exit 0;
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$part || exit 0;
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open FILE, "<$file" or die "can't open firmware file\n";
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my $ftp = ADAM2FTP->new($box, Debug => 0, Timeout => 600) or die "can't open control connection\n";
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$ftp->login("adam2", "adam2") or die "can't login\n";
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# my $mtd0 = $ftp->getenv("mtd0");
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# my $mtd1 = $ftp->getenv("mtd1");
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my $mtd4 = $ftp->getenv($part);
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# my ($ksize, $fssize);
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my ($ossize, $mtd_start, $mtd_end);
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# $mtd1 =~ /^(0x\w+),(0x\w+)$/ and $ksize = hex($2) - hex($1);
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# $mtd0 =~ /^(0x\w+),(0x\w+)$/ and $fssize = hex($2) - hex($1);
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$mtd4 =~ /^(0x\w+),(0x\w+)$/;
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$ossize = hex($2) - hex($1);
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$mtd_start = hex($1);
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$mtd_end = hex($2);
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$ossize and $mtd_start and $mtd_end or die 'cannot read partition offsets';
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printf STDERR "Available flash space: 0x%08x ($part: 0x%08x to 0x%08x)\n", $ossize, $mtd_start, $mtd_end;
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$ftp->command("MEDIA FLSH")->response();
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$ftp->binary();
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print STDERR "Writing to $part ...\n";
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my $dc = $ftp->stor("data $part");
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$dc or die "can't open data connection\n";
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my $rbytes = 1;
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while (($ossize > 0) and ($rbytes > 0)) {
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my $buffer;
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my $len = ($ossize > 1024 ? 1024 : $ossize);
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$rbytes = read FILE, $buffer, $len;
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printf STDERR ".";
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$rbytes and $ossize -= $dc->write($buffer, $rbytes, 600);
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}
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printf STDERR "\nDone.\n";
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$dc->close();
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