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GUI firmware patcher for windows.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6351 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2005-04-25 21:08:36 +00:00
parent 7254b9cc15
commit 8e20f02da5
9 changed files with 1082 additions and 0 deletions
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tools/fwpatcher/checksums.h Normal file
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"627d5195b56ebca3b431cccb535c3bfa", /* 1.63 eu */
"5068bf62d68fdbfcb3d8a2eaf2f4fdfe", /* 1.63 us */
"1afe2172a4d10f69069084466f7a83ce", /* 1.63 k */
"5802da654706239f2782510f6ab73b26" /* 1.65 eu */

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tools/fwpatcher/iriver.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2004 by Dave Hooper
*
* This particular source code file is licensed under the X11 license. See the
* bottom of the COPYING file for details on this license.
*
* Original code from http://www.beermex.com/@spc/ihpfirm.src.zip
* Details at http://www.rockbox.org/twiki/bin/view/Main/IriverToolsGuide
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "iriver.h"
const unsigned char munge[] = {
0x7a, 0x36, 0xc4, 0x43, 0x49, 0x6b, 0x35, 0x4e, 0xa3, 0x46, 0x25, 0x84,
0x4d, 0x73, 0x74, 0x61
};
const unsigned char header_modify[] = "* IHPFIRM-DECODED ";
const char * const models[] = { "iHP-100", "iHP-120/iHP-140", "H300 series",
NULL };
/* aligns with models array; expected min firmware size */
const unsigned int firmware_minsize[] = { 0x100000, 0x100000, 0x200000 };
/* aligns with models array; expected max firmware size */
const unsigned int firmware_maxsize[] = { 0x200000, 0x200000, 0x400000 };
const unsigned char header[][16] = {
{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 },
{ 0x20, 0x03, 0x08, 0x27, 0x24, 0x00, 0x02, 0x30, 0x19, 0x17, 0x65, 0x73,
0x85, 0x32, 0x83, 0x22 },
{ 0x20, 0x04, 0x03, 0x27, 0x20, 0x50, 0x01, 0x70, 0x80, 0x30, 0x80, 0x06,
0x30, 0x19, 0x17, 0x65 }
};
static int testheader( const unsigned char * const data )
{
const unsigned char * const d = data+16;
const char * const * m = models;
int index = 0;
while( *m )
{
if( memcmp( header[ index ], d, 16 ) == 0 )
return index;
index++;
m++;
};
return -1;
};
static void modifyheader( unsigned char * data )
{
const unsigned char * h = header_modify;
int i;
for( i=0; i<512; i++ )
{
if( *h == '\0' )
h = header_modify;
*data++ ^= *h++;
};
};
static FILE * openinfile( const TCHAR * filename )
{
FILE * F = _tfopen( filename, TEXT("rb") );
if( F == NULL )
{
fprintf( stderr, "Couldn't open input file %s\n", filename );
perror( "Error was " );
};
return F;
};
static FILE * openoutfile( const TCHAR * filename )
{
FILE * F = _tfopen( filename, TEXT("wb") );
if( F == NULL )
{
fprintf( stderr, "Couldn't open output file %s\n", filename );
perror( "Error was " );
};
return F;
};
int iriver_decode(TCHAR *infile_name, TCHAR *outfile_name, unsigned int modify,
enum striptype stripmode )
{
FILE * infile = NULL;
FILE * outfile = NULL;
int i = -1;
unsigned char headerdata[512];
unsigned long dwLength1, dwLength2, dwLength3, fp = 0;
unsigned char blockdata[16+16];
unsigned char out[16];
unsigned char newmunge;
signed long lenread;
int s = 0;
unsigned char * pChecksums, * ppChecksums = 0;
unsigned char ck;
infile = openinfile(infile_name);
outfile = openoutfile(outfile_name);
if (!infile || !outfile) return -1;
lenread = fread( headerdata, 1, 512, infile );
if( lenread != 512 )
{
fprintf( stderr, "This doesn't look like a valid encrypted iHP "
"firmware - reason: header length\n" );
goto error;
};
i = testheader( headerdata );
if( i == -1 )
{
fprintf( stderr, "This firmware is for an unknown model, or is not"
" a valid encrypted iHP firmware\n" );
goto error;
};
fprintf( stderr, "Model %s\n", models[ i ] );
dwLength1 = headerdata[0] | (headerdata[1]<<8) |
(headerdata[2]<<16) | (headerdata[3]<<24);
dwLength2 = headerdata[4] | (headerdata[5]<<8) |
(headerdata[6]<<16) | (headerdata[7]<<24);
dwLength3 = headerdata[8] | (headerdata[9]<<8) |
(headerdata[10]<<16) | (headerdata[11]<<24);
if( dwLength1 < firmware_minsize[ i ] ||
dwLength1 > firmware_maxsize[ i ] ||
dwLength2 < firmware_minsize[ i ] ||
dwLength2 > dwLength1 ||
dwLength3 > dwLength1 ||
dwLength2>>9 != dwLength3 ||
dwLength2+dwLength3+512 != dwLength1 )
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: file 'length' data\n" );
goto error;
};
pChecksums = ppChecksums = (unsigned char *)( malloc( dwLength3 ) );
if( modify )
{
modifyheader( headerdata );
};
if( stripmode == STRIP_NONE )
fwrite( headerdata, 512, 1, outfile );
memset( blockdata, 0, 16 );
ck = 0;
while( ( fp < dwLength2 ) &&
( lenread = fread( blockdata+16, 1, 16, infile ) ) == 16 )
{
fp += 16;
for( i=0; i<16; ++i )
{
newmunge = blockdata[16+i] ^ munge[i];
out[i] = newmunge ^ blockdata[i];
blockdata[i] = newmunge;
ck += out[i];
}
if( fp > ESTF_SIZE || stripmode != STRIP_HEADER_CHECKSUM_ESTF )
{
fwrite( out+4, 1, 12, outfile );
fwrite( out, 1, 4, outfile );
}
else
{
if( ESTF_SIZE - fp < 16 )
{
memcpy( out+4, blockdata+16, 12 );
memcpy( out, blockdata+28, 4 );
fwrite( blockdata+16+ESTF_SIZE-fp, 1, ESTF_SIZE-fp, outfile );
}
}
if( s == 496 )
{
s = 0;
memset( blockdata, 0, 16 );
*ppChecksums++ = ck;
ck = 0;
}
else
s+=16;
};
if( fp != dwLength2 )
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: 'length2' mismatch\n" );
goto error;
};
fp = 0;
ppChecksums = pChecksums;
while( ( fp < dwLength3 ) &&
( lenread = fread( blockdata, 1, 32, infile ) ) > 0 )
{
fp += lenread;
if( stripmode == STRIP_NONE )
fwrite( blockdata, 1, lenread, outfile );
if( memcmp( ppChecksums, blockdata, lenread ) != 0 )
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: Checksum mismatch!" );
goto error;
};
ppChecksums += lenread;
};
if( fp != dwLength3 )
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: 'length3' mismatch\n" );
goto error;
};
fprintf( stderr, "File decoded correctly and all checksums matched!\n" );
switch( stripmode )
{
default:
case STRIP_NONE:
fprintf(stderr, "Output file contains all headers and "
"checksums\n");
break;
case STRIP_HEADER_CHECKSUM:
fprintf( stderr, "NB: output file contains only ESTFBINR header"
" and decoded firmware code\n" );
break;
case STRIP_HEADER_CHECKSUM_ESTF:
fprintf( stderr, "NB: output file contains only raw decoded "
"firmware code\n" );
break;
};
fclose(infile);
fclose(outfile);
return 0;
error:
fclose(infile);
fclose(outfile);
return -1;
};
int iriver_encode(TCHAR *infile_name, TCHAR *outfile_name, unsigned int modify )
{
FILE * infile = NULL;
FILE * outfile = NULL;
int i = -1;
unsigned char headerdata[512];
unsigned long dwLength1, dwLength2, dwLength3, fp = 0;
unsigned char blockdata[16+16];
unsigned char out[16];
unsigned char newmunge;
signed long lenread;
int s = 0;
unsigned char * pChecksums, * ppChecksums;
unsigned char ck;
enum striptype stripmode = STRIP_NONE;
infile = openinfile(infile_name);
outfile = openoutfile(outfile_name);
if (!infile || !outfile) return -1;
lenread = fread( headerdata, 1, 512, infile );
if( lenread != 512 )
{
fprintf( stderr, "This doesn't look like a valid decoded "
"iHP firmware - reason: header length\n" );
goto error;
};
if( modify )
{
modifyheader( headerdata ); /* reversible */
};
i = testheader( headerdata );
if( i == -1 )
{
fprintf( stderr, "This firmware is for an unknown model, or is not"
" a valid decoded iHP firmware\n" );
goto error;
};
fprintf( stderr, "Model %s\n", models[ i ] );
dwLength1 = headerdata[0] | (headerdata[1]<<8) |
(headerdata[2]<<16) | (headerdata[3]<<24);
dwLength2 = headerdata[4] | (headerdata[5]<<8) |
(headerdata[6]<<16) | (headerdata[7]<<24);
dwLength3 = headerdata[8] | (headerdata[9]<<8) |
(headerdata[10]<<16) | (headerdata[11]<<24);
if( dwLength1 < firmware_minsize[i] ||
dwLength1 > firmware_maxsize[i] ||
dwLength2 < firmware_minsize[i] ||
dwLength2 > dwLength1 ||
dwLength3 > dwLength1 ||
dwLength2+dwLength3+512 != dwLength1 )
{
fprintf( stderr, "This doesn't look like a valid decoded iHP"
" firmware - reason: file 'length' data\n" );
goto error;
};
pChecksums = ppChecksums = (unsigned char *)( malloc( dwLength3 ) );
fwrite( headerdata, 512, 1, outfile );
memset( blockdata, 0, 16 );
ck = 0;
while( ( fp < dwLength2 ) &&
( lenread = fread( blockdata+16, 1, 16, infile ) ) == 16 )
{
fp += 16;
for( i=0; i<16; ++i )
{
newmunge = blockdata[16+((12+i)&0xf)] ^ blockdata[i];
out[i] = newmunge ^ munge[i];
ck += blockdata[16+i];
blockdata[i] = newmunge;
};
fwrite( out, 1, 16, outfile );
if( s == 496 )
{
s = 0;
memset( blockdata, 0, 16 );
*ppChecksums++ = ck;
ck = 0;
}
else
s+=16;
};
if( fp != dwLength2 )
{
fprintf( stderr, "This doesn't look like a valid decoded "
"iHP firmware - reason: 'length1' mismatch\n" );
goto error;
};
/* write out remainder w/out applying descrambler */
fp = 0;
lenread = dwLength3;
ppChecksums = pChecksums;
while( ( fp < dwLength3) &&
( lenread = fwrite( ppChecksums, 1, lenread, outfile ) ) > 0 )
{
fp += lenread;
ppChecksums += lenread;
lenread = dwLength3 - fp;
};
if( fp != dwLength3 )
{
fprintf( stderr, "This doesn't look like a valid decoded "
"iHP firmware - reason: 'length2' mismatch\n" );
goto error;
};
fprintf( stderr, "File encoded successfully and checksum table built!\n" );
fclose(infile);
fclose(outfile);
return 0;
error:
fclose(infile);
fclose(outfile);
return -1;
};

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tools/fwpatcher/iriver.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <tchar.h>
#include <windows.h>
#define TRUE 1
#define FALSE 0
#define BOOL unsigned int
#define ESTF_SIZE 32
enum striptype
{
STRIP_NONE,
STRIP_HEADER_CHECKSUM,
STRIP_HEADER_CHECKSUM_ESTF
};
/* protos for iriver.c */
int iriver_decode(TCHAR *infile, TCHAR *outfile, BOOL modify,
enum striptype stripmode );
int iriver_encode(TCHAR *infile_name, TCHAR *outfile_name, BOOL modify );

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Thom Johansen
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/* TODO: integrate the iriver.c and mkboot stuff better, they're pretty much
* intended to be called from a command line tool, and i haven't changed that.
*/
#include <stdio.h>
#include <string.h>
#include <tchar.h>
#include <windows.h>
#include "iriver.h"
#include "md5.h"
#include "resource.h"
#define WINDOW_WIDTH 280
#define WINDOW_HEIGHT 130
#define IDM_RESTORE 1000
#define IDM_EXIT 1010
#define LABEL_FILENAME 0
#define EDIT_FILENAME 1
#define BUTTON_BROWSE 2
#define BUTTON_PATCH 3
#define CTL_NUM 4
/* include precalculated checksums */
static char *checksums[] = {
#include "checksums.h"
};
HICON rbicon;
HFONT deffont;
HWND controls[CTL_NUM];
/* begin mkboot.c excerpt */
char image[0x200000 + 0x220 + 0x200000/0x200];
int mkboot(TCHAR *infile, TCHAR *outfile, unsigned char *bldata, int bllen)
{
FILE *f;
int i;
int len;
int actual_length, total_length, binary_length, num_chksums;
memset(image, 0xff, sizeof(image));
/* First, read the iriver original firmware into the image */
f = _tfopen(infile, TEXT("rb"));
if(!f) {
perror(infile);
return 0;
}
i = fread(image, 1, 16, f);
if(i < 16) {
perror(infile);
return 0;
}
/* This is the length of the binary image without the scrambling
overhead (but including the ESTFBINR header) */
binary_length = image[4] + (image[5] << 8) +
(image[6] << 16) + (image[7] << 24);
/* Read the rest of the binary data, but not the checksum block */
len = binary_length+0x200-16;
i = fread(image+16, 1, len, f);
if(i < len) {
perror(infile);
return 0;
}
fclose(f);
memcpy(image + 0x220 + 0x1f0000, bldata, bllen);
f = _tfopen(outfile, TEXT("wb"));
if(!f) {
perror(outfile);
return 0;
}
/* Patch the reset vector to start the boot loader */
image[0x220 + 4] = image[0x1f0000 + 0x220 + 4];
image[0x220 + 5] = image[0x1f0000 + 0x220 + 5];
image[0x220 + 6] = image[0x1f0000 + 0x220 + 6];
image[0x220 + 7] = image[0x1f0000 + 0x220 + 7];
/* This is the actual length of the binary, excluding all headers */
actual_length = 0x1f0000 + bllen;
/* Patch the ESTFBINR header */
image[0x20c] = (actual_length >> 24) & 0xff;
image[0x20d] = (actual_length >> 16) & 0xff;
image[0x20e] = (actual_length >> 8) & 0xff;
image[0x20f] = actual_length & 0xff;
image[0x21c] = (actual_length >> 24) & 0xff;
image[0x21d] = (actual_length >> 16) & 0xff;
image[0x21e] = (actual_length >> 8) & 0xff;
image[0x21f] = actual_length & 0xff;
/* This is the length of the binary, including the ESTFBINR header and
rounded up to the nearest 0x200 boundary */
binary_length = (actual_length + 0x20 + 0x1ff) & 0xfffffe00;
/* The number of checksums, i.e number of 0x200 byte blocks */
num_chksums = binary_length / 0x200;
/* The total file length, including all headers and checksums */
total_length = binary_length + num_chksums + 0x200;
/* Patch the scrambler header with the new length info */
image[0] = total_length & 0xff;
image[1] = (total_length >> 8) & 0xff;
image[2] = (total_length >> 16) & 0xff;
image[3] = (total_length >> 24) & 0xff;
image[4] = binary_length & 0xff;
image[5] = (binary_length >> 8) & 0xff;
image[6] = (binary_length >> 16) & 0xff;
image[7] = (binary_length >> 24) & 0xff;
image[8] = num_chksums & 0xff;
image[9] = (num_chksums >> 8) & 0xff;
image[10] = (num_chksums >> 16) & 0xff;
image[11] = (num_chksums >> 24) & 0xff;
i = fwrite(image, 1, total_length, f);
if(i < total_length) {
perror(outfile);
return 0;
}
fclose(f);
return 1;
}
/* end mkboot.c excerpt */
int FileMD5(TCHAR *name, char *md5)
{
int i, read;
md5_context ctx;
unsigned char md5sum[16];
unsigned char block[32768];
FILE *file;
file = _tfopen(name, TEXT("rb"));
if (!file) {
MessageBox(NULL,
TEXT("Could not open patched firmware for checksum check"),
TEXT("Error"), MB_ICONERROR);
return 0;
}
md5_starts(&ctx);
while ((read = fread(block, 1, sizeof(block), file)) > 0) {
md5_update(&ctx, block, read);
}
fclose(file);
md5_finish(&ctx, md5sum);
for (i = 0; i < 16; ++i)
sprintf(md5 + 2*i, "%02x", md5sum[i]);
return 1;
}
int PatchFirmware()
{
TCHAR fn[MAX_PATH];
TCHAR name1[MAX_PATH], name2[MAX_PATH], name3[MAX_PATH];
HRSRC res;
HGLOBAL resload;
unsigned char *bootloader;
unsigned char md5sum_str[256];
DWORD blsize;
int i;
/* get pointer to bootloader.bin */
res = FindResource(NULL, MAKEINTRESOURCE(IDI_BOOTLOADER), TEXT("BIN"));
resload = LoadResource(NULL, res);
bootloader = (unsigned char *)LockResource(resload);
blsize = SizeofResource(NULL, res);
/* get filename from edit box */
GetWindowText(controls[EDIT_FILENAME], fn, MAX_PATH);
/* store temp files in temp directory */
GetTempPath(MAX_PATH, name1);
GetTempPath(MAX_PATH, name2);
GetTempPath(MAX_PATH, name3);
_tcscat(name1, TEXT("firmware.bin")); /* descrambled file */
_tcscat(name2, TEXT("new.bin")); /* patched file */
_tcscat(name3, TEXT("new.hex")); /* patched and scrambled file */
if (iriver_decode(fn, name1, FALSE, STRIP_NONE) == -1) {
MessageBox(NULL, TEXT("Error in descramble"),
TEXT("Error"), MB_ICONERROR);
goto error;
}
if (!mkboot(name1, name2, bootloader, blsize)) {
MessageBox(NULL, TEXT("Error in patching"),
TEXT("Error"), MB_ICONERROR);
goto error;
}
if (iriver_encode(name2, name3, FALSE) == -1) {
MessageBox(NULL, TEXT("Error in scramble"),
TEXT("Error"), MB_ICONERROR);
goto error;
}
/* now md5sum it */
if (!FileMD5(name3, md5sum_str)) goto error;
for (i = 0; i < sizeof(checksums)/sizeof(char *); ++i) {
if (strncmp(checksums[i], md5sum_str, 32) != 0) {
MessageBox(NULL,
TEXT("Checksum doesn't match known good patched firmware.\n")
TEXT("Download another firmware image, then try again."),
TEXT("Error"), MB_ICONERROR);
goto error;
}
}
/* all is fine, rename the patched file to original name of the firmware */
MoveFileEx(name3, fn, MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING);
/* delete temp files */
DeleteFile(name1);
DeleteFile(name2);
return 1;
error:
/* delete all temp files, don't care if some aren't created yet */
DeleteFile(name1);
DeleteFile(name2);
DeleteFile(name3);
return 0;
}
int FileDialog(TCHAR *fn)
{
OPENFILENAME ofn;
TCHAR filename[MAX_PATH];
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.lpstrFile = filename;
ofn.lpstrFile[0] = '\0'; // no default filename
ofn.nMaxFile = sizeof(filename);
ofn.lpstrFilter = TEXT("Firmware\0*.HEX\0");
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
if (GetOpenFileName(&ofn) == TRUE) {
_tcscpy(fn, filename);
return 1;
}
return 0;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
int i;
switch (msg) {
case WM_CREATE:
/* text label */
controls[LABEL_FILENAME] =
CreateWindowEx(0, TEXT("STATIC"), TEXT("Firmware file name:"),
WS_CHILD | WS_VISIBLE, 10, 14,
100, 32, hwnd, 0, 0, 0);
/* text field for inputing file name */
controls[EDIT_FILENAME] =
CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("EDIT"), TEXT(""),
WS_CHILD | WS_TABSTOP | WS_VISIBLE | ES_AUTOHSCROLL,
10, 35, 180, 20, hwnd, 0, 0, 0);
/* browse button */
controls[BUTTON_BROWSE] =
CreateWindowEx(0, TEXT("BUTTON"), TEXT("Browse"),
WS_CHILD | WS_TABSTOP | WS_VISIBLE, 200, 32, 70, 25,
hwnd, 0, 0, 0);
/* patch button */
controls[BUTTON_PATCH] =
CreateWindowEx(0, TEXT("BUTTON"), TEXT("Patch"),
WS_CHILD | WS_TABSTOP | WS_VISIBLE, 90, 70, 90, 25,
hwnd, 0, 0, 0);
/* set default font on all controls, will be ugly if we don't do this */
deffont = GetStockObject(DEFAULT_GUI_FONT);
for (i = 0; i < CTL_NUM; ++i)
SendMessage(controls[i], WM_SETFONT, (WPARAM)deffont,
MAKELPARAM(FALSE, 0));
break;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_SIZE:
break;
case WM_COMMAND:
/* user pressed browse button */
if (((HWND)lParam == controls[BUTTON_BROWSE])) {
TCHAR buf[MAX_PATH];
if (FileDialog(buf))
SetWindowText(controls[EDIT_FILENAME], buf);
}
/* user pressed patch button */
if (((HWND)lParam == controls[BUTTON_PATCH])) {
if (PatchFirmware())
MessageBox(NULL, TEXT("Firmware patched successfully"),
TEXT("Success"), MB_OK);
}
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE instance, HINSTANCE prev_instance,
LPSTR command_line, int command_show)
{
HWND window;
WNDCLASSEX wc;
MSG msg;
rbicon = LoadIcon(instance, MAKEINTRESOURCE(IDI_RBICON));
ZeroMemory(&wc, sizeof(wc));
wc.cbSize = sizeof(wc);
wc.lpfnWndProc = WndProc;
wc.hInstance = instance;
wc.hIcon = rbicon;
wc.hCursor = LoadCursor(0, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
wc.lpszClassName = TEXT("patcher");
RegisterClassEx(&wc);
window = CreateWindowEx(0, TEXT("patcher"), TEXT("Rockbox firmware patcher"),
WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU |
WS_MINIMIZEBOX, CW_USEDEFAULT, CW_USEDEFAULT,
WINDOW_WIDTH, WINDOW_HEIGHT, 0, 0, instance, NULL);
if (!window) return 0;
ShowWindow(window, command_show);
while (GetMessage(&msg, 0, 0, 0) > 0) {
if (!IsDialogMessage(window, &msg)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return 0;
}

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/*
* RFC 1321 compliant MD5 implementation
*
* Copyright (C) 2001-2003 Christophe Devine
*
* 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
*/
#include <string.h>
#include "md5.h"
#define GET_UINT32(n,b,i) \
{ \
(n) = ( (uint32) (b)[(i) ] ) \
| ( (uint32) (b)[(i) + 1] << 8 ) \
| ( (uint32) (b)[(i) + 2] << 16 ) \
| ( (uint32) (b)[(i) + 3] << 24 ); \
}
#define PUT_UINT32(n,b,i) \
{ \
(b)[(i) ] = (uint8) ( (n) ); \
(b)[(i) + 1] = (uint8) ( (n) >> 8 ); \
(b)[(i) + 2] = (uint8) ( (n) >> 16 ); \
(b)[(i) + 3] = (uint8) ( (n) >> 24 ); \
}
void md5_starts( md5_context *ctx )
{
ctx->total[0] = 0;
ctx->total[1] = 0;
ctx->state[0] = 0x67452301;
ctx->state[1] = 0xEFCDAB89;
ctx->state[2] = 0x98BADCFE;
ctx->state[3] = 0x10325476;
}
void md5_process( md5_context *ctx, uint8 data[64] )
{
uint32 X[16], A, B, C, D;
GET_UINT32( X[0], data, 0 );
GET_UINT32( X[1], data, 4 );
GET_UINT32( X[2], data, 8 );
GET_UINT32( X[3], data, 12 );
GET_UINT32( X[4], data, 16 );
GET_UINT32( X[5], data, 20 );
GET_UINT32( X[6], data, 24 );
GET_UINT32( X[7], data, 28 );
GET_UINT32( X[8], data, 32 );
GET_UINT32( X[9], data, 36 );
GET_UINT32( X[10], data, 40 );
GET_UINT32( X[11], data, 44 );
GET_UINT32( X[12], data, 48 );
GET_UINT32( X[13], data, 52 );
GET_UINT32( X[14], data, 56 );
GET_UINT32( X[15], data, 60 );
#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
#define P(a,b,c,d,k,s,t) \
{ \
a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \
}
A = ctx->state[0];
B = ctx->state[1];
C = ctx->state[2];
D = ctx->state[3];
#define F(x,y,z) (z ^ (x & (y ^ z)))
P( A, B, C, D, 0, 7, 0xD76AA478 );
P( D, A, B, C, 1, 12, 0xE8C7B756 );
P( C, D, A, B, 2, 17, 0x242070DB );
P( B, C, D, A, 3, 22, 0xC1BDCEEE );
P( A, B, C, D, 4, 7, 0xF57C0FAF );
P( D, A, B, C, 5, 12, 0x4787C62A );
P( C, D, A, B, 6, 17, 0xA8304613 );
P( B, C, D, A, 7, 22, 0xFD469501 );
P( A, B, C, D, 8, 7, 0x698098D8 );
P( D, A, B, C, 9, 12, 0x8B44F7AF );
P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
P( B, C, D, A, 11, 22, 0x895CD7BE );
P( A, B, C, D, 12, 7, 0x6B901122 );
P( D, A, B, C, 13, 12, 0xFD987193 );
P( C, D, A, B, 14, 17, 0xA679438E );
P( B, C, D, A, 15, 22, 0x49B40821 );
#undef F
#define F(x,y,z) (y ^ (z & (x ^ y)))
P( A, B, C, D, 1, 5, 0xF61E2562 );
P( D, A, B, C, 6, 9, 0xC040B340 );
P( C, D, A, B, 11, 14, 0x265E5A51 );
P( B, C, D, A, 0, 20, 0xE9B6C7AA );
P( A, B, C, D, 5, 5, 0xD62F105D );
P( D, A, B, C, 10, 9, 0x02441453 );
P( C, D, A, B, 15, 14, 0xD8A1E681 );
P( B, C, D, A, 4, 20, 0xE7D3FBC8 );
P( A, B, C, D, 9, 5, 0x21E1CDE6 );
P( D, A, B, C, 14, 9, 0xC33707D6 );
P( C, D, A, B, 3, 14, 0xF4D50D87 );
P( B, C, D, A, 8, 20, 0x455A14ED );
P( A, B, C, D, 13, 5, 0xA9E3E905 );
P( D, A, B, C, 2, 9, 0xFCEFA3F8 );
P( C, D, A, B, 7, 14, 0x676F02D9 );
P( B, C, D, A, 12, 20, 0x8D2A4C8A );
#undef F
#define F(x,y,z) (x ^ y ^ z)
P( A, B, C, D, 5, 4, 0xFFFA3942 );
P( D, A, B, C, 8, 11, 0x8771F681 );
P( C, D, A, B, 11, 16, 0x6D9D6122 );
P( B, C, D, A, 14, 23, 0xFDE5380C );
P( A, B, C, D, 1, 4, 0xA4BEEA44 );
P( D, A, B, C, 4, 11, 0x4BDECFA9 );
P( C, D, A, B, 7, 16, 0xF6BB4B60 );
P( B, C, D, A, 10, 23, 0xBEBFBC70 );
P( A, B, C, D, 13, 4, 0x289B7EC6 );
P( D, A, B, C, 0, 11, 0xEAA127FA );
P( C, D, A, B, 3, 16, 0xD4EF3085 );
P( B, C, D, A, 6, 23, 0x04881D05 );
P( A, B, C, D, 9, 4, 0xD9D4D039 );
P( D, A, B, C, 12, 11, 0xE6DB99E5 );
P( C, D, A, B, 15, 16, 0x1FA27CF8 );
P( B, C, D, A, 2, 23, 0xC4AC5665 );
#undef F
#define F(x,y,z) (y ^ (x | ~z))
P( A, B, C, D, 0, 6, 0xF4292244 );
P( D, A, B, C, 7, 10, 0x432AFF97 );
P( C, D, A, B, 14, 15, 0xAB9423A7 );
P( B, C, D, A, 5, 21, 0xFC93A039 );
P( A, B, C, D, 12, 6, 0x655B59C3 );
P( D, A, B, C, 3, 10, 0x8F0CCC92 );
P( C, D, A, B, 10, 15, 0xFFEFF47D );
P( B, C, D, A, 1, 21, 0x85845DD1 );
P( A, B, C, D, 8, 6, 0x6FA87E4F );
P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
P( C, D, A, B, 6, 15, 0xA3014314 );
P( B, C, D, A, 13, 21, 0x4E0811A1 );
P( A, B, C, D, 4, 6, 0xF7537E82 );
P( D, A, B, C, 11, 10, 0xBD3AF235 );
P( C, D, A, B, 2, 15, 0x2AD7D2BB );
P( B, C, D, A, 9, 21, 0xEB86D391 );
#undef F
ctx->state[0] += A;
ctx->state[1] += B;
ctx->state[2] += C;
ctx->state[3] += D;
}
void md5_update( md5_context *ctx, uint8 *input, uint32 length )
{
uint32 left, fill;
if( ! length ) return;
left = ctx->total[0] & 0x3F;
fill = 64 - left;
ctx->total[0] += length;
ctx->total[0] &= 0xFFFFFFFF;
if( ctx->total[0] < length )
ctx->total[1]++;
if( left && length >= fill )
{
memcpy( (void *) (ctx->buffer + left),
(void *) input, fill );
md5_process( ctx, ctx->buffer );
length -= fill;
input += fill;
left = 0;
}
while( length >= 64 )
{
md5_process( ctx, input );
length -= 64;
input += 64;
}
if( length )
{
memcpy( (void *) (ctx->buffer + left),
(void *) input, length );
}
}
static uint8 md5_padding[64] =
{
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
void md5_finish( md5_context *ctx, uint8 digest[16] )
{
uint32 last, padn;
uint32 high, low;
uint8 msglen[8];
high = ( ctx->total[0] >> 29 )
| ( ctx->total[1] << 3 );
low = ( ctx->total[0] << 3 );
PUT_UINT32( low, msglen, 0 );
PUT_UINT32( high, msglen, 4 );
last = ctx->total[0] & 0x3F;
padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
md5_update( ctx, md5_padding, padn );
md5_update( ctx, msglen, 8 );
PUT_UINT32( ctx->state[0], digest, 0 );
PUT_UINT32( ctx->state[1], digest, 4 );
PUT_UINT32( ctx->state[2], digest, 8 );
PUT_UINT32( ctx->state[3], digest, 12 );
}

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#ifndef _MD5_H
#define _MD5_H
#ifndef uint8
#define uint8 unsigned char
#endif
#ifndef uint32
#define uint32 unsigned long int
#endif
typedef struct
{
uint32 total[2];
uint32 state[4];
uint8 buffer[64];
}
md5_context;
void md5_starts( md5_context *ctx );
void md5_update( md5_context *ctx, uint8 *input, uint32 length );
void md5_finish( md5_context *ctx, uint8 digest[16] );
#endif /* md5.h */

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tools/fwpatcher/resource.h Normal file
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#define IDI_RBICON 101
#define IDI_BOOTLOADER 102

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tools/fwpatcher/resource.rc Normal file
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#include "resource.h"
IDI_RBICON ICON "favicon.ico"
IDI_BOOTLOADER BIN "bootloader.bin"