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Diffstat (limited to 'scripts/adam2flash-502T.pl')
| -rw-r--r-- | scripts/adam2flash-502T.pl | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/scripts/adam2flash-502T.pl b/scripts/adam2flash-502T.pl deleted file mode 100644 index 0ed296d..0000000 --- a/scripts/adam2flash-502T.pl +++ /dev/null @@ -1,340 +0,0 @@ -#!/usr/bin/env perl -# -# D-Link DSL-502T flash utility -# -# Copyright (c) 2007 Oliver Jowett <oliver@opencloud.com> -# -# Based on adam2flash.pl for the D-Link DSL-G6x4T, which is: -# Copyright (C) 2005 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 -# - -# The default DSL-502T mtd map looks like this: -# -# mtd0 0x90091000,0x903f0000 # filesystem -# mtd1 0x90010090,0x90091000 # kernel -# mtd2 0x90000000,0x90010000 # bootloader - DO NOT MODIFY -# mtd3 0x903f0000,0x90400000 # config space - DO NOT MODIFY -# mtd4 0x90010000,0x903f0000 # firmware signature + kernel + filesystem, used to flash new firmware -# -# i.e. the flash layout is: -# -# 90000000-9000FFFF mtd2 bootloader -# 90010000-9001008F ---- firmware signature ) -# 90010090-90090FFF mtd1 kernel ) mtd4 spans these three regions -# 90091000-903EFFFF mtd0 filesystem ) -# 903F0000-903FFFFF mtd3 config space -# -# The ADAM2 bootloader uses the mtd1 settings to find the start of the image to boot. -# The image to load contains information about the loadable size of the image. If ADAM2 sees -# that the image appears to extend beyond the end of mtd1, it will refuse to load it. On -# the DSL-502T, this manifests as the USB light blinking rapidly on boot. -# -# The OpenWRT kernel does not follow quite the same layout: -# (a) it does not have a 0x90-byte firmware signature prefix -# (b) it is larger than the default mtd1 size -# -# (a) would be avoidable (build a custom image with a 0x90-byte prefix) but (b) is unavoidable. -# So we *have* to change mtd1. The simplest thing to do seems to make it span all of -# the flashable area, producing this layout: -# -# mtd0 0x90091000,0x903f0000 # filesystem -# mtd1 0x90010000,0x903f0000 # kernel (CHANGED) -# mtd2 0x90000000,0x90010000 # bootloader - DO NOT MODIFY -# mtd3 0x903f0000,0x90400000 # config space - DO NOT MODIFY -# mtd4 0x90010000,0x903f0000 # kernel + filesystem, used to flash new firmware -# -# *** NOTE NOTE NOTE NOTE *** -# -# /dev/mtd0 .. /dev/mtd4 when using OpenWRT do **NOT** correspond to the ADAM2 mtd0-4 settings! -# Instead, OpenWRT scans the MTD itself and determines its own boundaries which are arranged -# quite differently to ADAM2. It will look something like this, see dmsg on boot: -# -# (/dev/mtd0) 0x00000000-0x00010000 : "loader" # Bootloader, read-only -# (/dev/mtd1) 0x003f0000-0x00400000 : "config" # Config space -# (/dev/mtd2) 0x00010000-0x003f0000 : "linux" # Firmware area (kernel + root fs + JFFS area) -# (/dev/mtd3) 0x000d0d58-0x003f0000 : "rootfs" # Root FS, starts immediately after kernel -# (/dev/mtd4) 0x00280000-0x003f0000 : "rootfs_data" # If rootfs is squashfs, start of JFFS area. -# -# All of those boundaries are autodetected by examining the data in flash. -# -# *** NOTE NOTE NOTE NOTE *** - -use IO::Socket::INET; -use Socket; -use strict; -use warnings; - -sub usage() { - print STDERR "Usage: $0 <ip> [-setmtd1] [-noflash] [firmware.bin]\n\n"; - print STDERR "Acquires the ADAM2 bootloader of a D-Link DSL-504T at <ip>\n"; - print STDERR "Power off the device, start this script, then power it on.\n"; - print STDERR "<ip> may be any spare address on the local subnet.\n\n"; - print STDERR "If a firmware file is specified, MTD settings are verified and\n"; - print STDERR "then the firmware is written to the router's flash.\n"; - print STDERR "The firmware type (D-Link or OpenWRT) is automatically detected.\n\n"; - print STDERR " -setmtd1 update mtd1 if it is not the appropriate value for this firmware\n"; - print STDERR " -noflash does normal checks, updates mtd1 if requested, but does not actually write firmware\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 = 15; -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("vCCVV", $reply); - $addr2 = pack("N", $addr2); - if ($code == 2) { - $scanning = 0; - printf STDERR " found!\nADAM2 version $major.$minor1.$minor2 at %s (%s)\n", inet_ntoa($addr), inet_ntoa($addr2); - $box = inet_ntoa($addr); - } - } -} - -$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; -my $arg; -my $noflash = 0; -my $setmtd1 = 0; -while ($arg = shift @ARGV) { - if ($arg eq "-noflash") { $noflash = 1; } - elsif ($arg eq "-setmtd1") { $setmtd1 = 1; } - else { $file = $arg; } -} - -if (!$file) { - print STDERR "No firmware file specified, exiting.\n"; - exit 0; -} - -# -# Firmware checks -# - -open FILE, "<$file" or die "can't open firmware file\n"; - -# D-Link firmware starts with "MTD4" little-endian, then has an image header at 0x90 -# OpenWRT firmware just starts with an image header at 0x00 - -my $signature; -my $sbytes = read FILE, $signature, 4; -($sbytes == 4) or die "can't read firmware signature: $!"; - -my $expectedmtd4 = "0x90010000,0x903f0000"; -my $fwtype; -my $expectedmtd1; - -if ($signature eq "4DTM") { - seek FILE, 0x90, 0 or die "can't read firmware signature: $!"; - $sbytes = read FILE, $signature, 4; - ($sbytes == 4) or die "can't read firmware signature: $!"; - if ($signature eq "\x42\xfa\xed\xfe") { - $fwtype = "D-Link (little-endian)"; - $expectedmtd1 = "0x90010090,0x90091000"; - } elsif ($signature eq "\xde\xad\xbe\x42") { - $fwtype = "D-Link (big-endian)"; - $expectedmtd1 = "0x90010090,0x90091000"; - } -} elsif ($signature eq "\x42\xfa\xed\xfe") { - $fwtype = "OpenWRT (little-endian)"; - $expectedmtd1 = "0x90010000,0x903f0000"; -} elsif ($signature eq "\xde\xad\xbe\x42") { - $fwtype = "OpenWRT (big-endian)"; - $expectedmtd1 = "0x90010000,0x903f0000"; -} - -$fwtype or die "Unknown firmware signature (are you sure that's the right firmware?)"; -print STDERR "Firmware type: $fwtype\n"; - -# -# Bootloader login -# - -print STDERR "logging into ADAM2 bootloader.. "; -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"; -print STDERR "ok.\n"; - -# -# Hardware checks -# - -print STDERR "checking hardware.. "; -my $prd = $ftp->getenv("ProductID"); -my $usb = $ftp->getenv("usb_prod"); -print STDERR "$prd / $usb.\n"; -($prd eq "AR7RD" || $prd eq "AR7DB") or die "doesn't look like a DSL-502T?"; -($usb eq "DSL-502T") or die "doesn't look like a DSL-502T?"; - -# -# MTD checks and update -# - -print STDERR "checking MTD settings.. "; - -my $mtd4 = $ftp->getenv("mtd4"); -($mtd4 eq $expectedmtd4) or die "MTD4 was not as expected (should be '$expectedmtd4', was '$mtd4'). Cowardly refusing to do anything about it!"; - -# check MTD1 setting and update if needed -my $mtd1 = $ftp->getenv("mtd1"); -if ($mtd1 ne $expectedmtd1) { - die "MTD1 was not as expected (should be '$expectedmtd1', was '$mtd1'). Run with -setmtd1 to reset mtd1" unless ($setmtd1); - print STDERR "Setting mtd1.. "; - ($ftp->command("SETENV","mtd1,$expectedmtd1")->response() == Net::FTP::CMD_OK) or die "can't set mtd1"; - $file = shift @ARGV; -} - -print STDERR "ok.\n"; - -# -# Firmware size check -# - -my $fwsize = (stat(FILE))[7]; -printf STDERR "Firmware size: 0x%08x\n", $fwsize; -my $flashsize; -$mtd4 =~ /^(0x\w+),(0x\w+)$/ and $flashsize = hex($2) - hex($1); -printf STDERR "Available flash space: 0x%08x\n", $flashsize; -die "firmware is too large" if ($flashsize < $fwsize); - -# -# Flash it! -# - -if ($noflash) { - print STDERR "Not flashing firmware as -noflash was specified.\n"; - exit 0; -} - -seek FILE, 0, 0, or die "can't seek in firmware: $!"; - -print STDERR "Preparing to flash.. "; -($ftp->command("MEDIA FLSH")->response() == Net::FTP::CMD_OK) or die "can't set MEDIA FLSH"; -$ftp->binary() or die "can't set binary mode"; -print STDERR "ok.\n"; -print STDERR "Erasing flash and establishing data connection (this may take a while): "; - -my $dc = $ftp->stor("fs mtd4"); -$dc or die "can't open data connection: $!\n"; -print STDERR "ok.\n"; - -print STDERR "Writing firmware: "; -while ($fwsize > 0) { - my $buffer; - my $len = ($fwsize > 1024 ? 1024 : $fwsize); - - my $rbytes = read FILE, $buffer, $len; - ($rbytes < 0) and die "read error on firmware file: $!"; - ($rbytes == $len) or die "short read on firmware file ($rbytes < $len)"; - - my $wbytes = $dc->write($buffer, $len, 600); - ($wbytes < 0) and die "write error on FTP data connection: $!"; - ($rbytes == $wbytes) or die "short write on FTP data connection ($wbytes < $rbytes)"; - - $fwsize -= $len; - print STDERR "."; -} - -$dc->close(); -print STDERR " done.\n"; - -# -# Reboot -# - -print STDERR "Rebooting device.\n"; -$ftp->reboot(); |