590501cfe4
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14805 a1c6a512-1295-4272-9138-f99709370657
692 lines
20 KiB
C
692 lines
20 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 - 2007 by Björn Stenberg
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include "iriver.h"
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#include "gigabeat.h"
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#include "gigabeats.h"
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#include "mi4.h"
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int iaudio_encode(char *iname, char *oname, char *idstring);
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int ipod_encode(char *iname, char *oname, int fw_ver, bool fake_rsrc);
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enum
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{
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ARCHOS_PLAYER, /* and V1 recorder */
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ARCHOS_V2RECORDER,
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ARCHOS_FMRECORDER,
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ARCHOS_ONDIO_SP,
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ARCHOS_ONDIO_FM
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};
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int size_limit[] =
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{
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0x32000, /* ARCHOS_PLAYER */
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0x64000, /* ARCHOS_V2RECORDER */
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0x64000, /* ARCHOS_FMRECORDER */
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0x64000, /* ARCHOS_ONDIO_SP */
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0x64000 /* ARCHOS_ONDIO_FM */
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};
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void short2le(unsigned short val, unsigned char* addr)
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{
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addr[0] = val & 0xFF;
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addr[1] = (val >> 8) & 0xff;
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}
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unsigned int le2int(unsigned char* buf)
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{
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unsigned int res = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
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return res;
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}
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void int2le(unsigned int val, unsigned char* addr)
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{
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addr[0] = val & 0xFF;
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addr[1] = (val >> 8) & 0xff;
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addr[2] = (val >> 16) & 0xff;
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addr[3] = (val >> 24) & 0xff;
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}
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void int2be(unsigned int val, unsigned char* addr)
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{
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addr[0] = (val >> 24) & 0xff;
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addr[1] = (val >> 16) & 0xff;
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addr[2] = (val >> 8) & 0xff;
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addr[3] = val & 0xFF;
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}
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void usage(void)
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{
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printf("usage: scramble [options] <input file> <output file> [xor string]\n");
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printf("options:\n"
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"\t-fm Archos FM recorder format\n"
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"\t-v2 Archos V2 recorder format\n"
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"\t-ofm Archos Ondio FM recorder format\n"
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"\t-osp Archos Ondio SP format\n"
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"\t-neo SSI Neo format\n"
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"\t-mm=X Archos Multimedia format (X values: A=JBMM, B=AV1xx, C=AV3xx)\n"
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"\t-iriver iRiver format\n"
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"\t-iaudiox5 iAudio X5 format\n"
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"\t-iaudiox5v iAudio X5V format\n"
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"\t-iaudiom5 iAudio M5 format\n"
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"\t-ipod3g ipod firmware partition format (3rd Gen)\n"
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"\t-ipod4g ipod firmware partition format (4th Gen, Mini, Nano, Photo/Color)\n"
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"\t-ipod5g ipod firmware partition format (5th Gen - aka Video)\n"
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"\t-gigabeat Toshiba Gigabeat F/X format\n"
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"\t-gigabeats Toshiba Gigabeat S format\n"
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"\t-mi4v2 PortalPlayer .mi4 format (revision 010201)\n"
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"\t-mi4v3 PortalPlayer .mi4 format (revision 010301)\n"
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"\t-mi4r Sandisk Rhapsody .mi4 format\n"
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"\t All mi4 options take two optional arguments:\n"
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"\t -model=XXXX where XXXX is the model id string\n"
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"\t -type=XXXX where XXXX is a string indicating the \n"
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"\t type of binary, eg. RBOS, RBBL\n"
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"\t-add=X Rockbox generic \"add-up\" checksum format\n"
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"\t (X values: h100, h120, h140, h300, ipco, nano, ipvd, mn2g\n"
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"\t ip3g, ip4g, mini, iax5, h10, h10_5gb, tpj2,\n"
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"\t c200, e200)\n"
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"\nNo option results in Archos standard player/recorder format.\n");
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exit(1);
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}
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int main (int argc, char** argv)
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{
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unsigned long length,i,slen;
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unsigned char *inbuf,*outbuf;
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unsigned short crc=0;
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unsigned long chksum=0; /* 32 bit checksum */
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unsigned char header[24];
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char *iname = argv[1];
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char *oname = argv[2];
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char *xorstring;
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int headerlen = 6;
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FILE* file;
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int version;
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unsigned long modelnum;
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char modelname[5];
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int model_id;
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enum { none, scramble, xor, add } method = scramble;
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model_id = ARCHOS_PLAYER;
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if (argc < 3) {
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usage();
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}
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if(!strcmp(argv[1], "-fm")) {
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headerlen = 24;
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iname = argv[2];
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oname = argv[3];
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version = 4;
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model_id = ARCHOS_FMRECORDER;
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}
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else if(!strcmp(argv[1], "-v2")) {
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headerlen = 24;
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iname = argv[2];
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oname = argv[3];
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version = 2;
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model_id = ARCHOS_V2RECORDER;
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}
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else if(!strcmp(argv[1], "-ofm")) {
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headerlen = 24;
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iname = argv[2];
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oname = argv[3];
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version = 8;
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model_id = ARCHOS_ONDIO_FM;
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}
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else if(!strcmp(argv[1], "-osp")) {
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headerlen = 24;
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iname = argv[2];
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oname = argv[3];
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version = 16;
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model_id = ARCHOS_ONDIO_SP;
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}
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else if(!strcmp(argv[1], "-neo")) {
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headerlen = 17;
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iname = argv[2];
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oname = argv[3];
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method = none;
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}
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else if(!strncmp(argv[1], "-mm=", 4)) {
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headerlen = 16;
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iname = argv[2];
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oname = argv[3];
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method = xor;
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version = argv[1][4];
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if (argc > 4)
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xorstring = argv[4];
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else {
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printf("Multimedia needs an xor string\n");
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return -1;
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}
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}
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else if(!strncmp(argv[1], "-add=", 5)) {
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iname = argv[2];
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oname = argv[3];
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method = add;
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if(!strcmp(&argv[1][5], "h120"))
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modelnum = 0;
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else if(!strcmp(&argv[1][5], "h140"))
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modelnum = 0; /* the same as the h120 */
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else if(!strcmp(&argv[1][5], "h100"))
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modelnum = 1;
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else if(!strcmp(&argv[1][5], "h300"))
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modelnum = 2;
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else if(!strcmp(&argv[1][5], "ipco"))
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modelnum = 3;
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else if(!strcmp(&argv[1][5], "nano"))
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modelnum = 4;
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else if(!strcmp(&argv[1][5], "ipvd"))
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modelnum = 5;
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else if(!strcmp(&argv[1][5], "fp7x"))
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modelnum = 6;
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else if(!strcmp(&argv[1][5], "ip3g"))
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modelnum = 7;
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else if(!strcmp(&argv[1][5], "ip4g"))
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modelnum = 8;
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else if(!strcmp(&argv[1][5], "mini"))
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modelnum = 9;
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else if(!strcmp(&argv[1][5], "iax5"))
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modelnum = 10;
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else if(!strcmp(&argv[1][5], "mn2g"))
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modelnum = 11;
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else if(!strcmp(&argv[1][5], "h10"))
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modelnum = 13;
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else if(!strcmp(&argv[1][5], "h10_5gb"))
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modelnum = 14;
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else if(!strcmp(&argv[1][5], "tpj2"))
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modelnum = 15;
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else if(!strcmp(&argv[1][5], "e200"))
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modelnum = 16;
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else if(!strcmp(&argv[1][5], "iam5"))
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modelnum = 17;
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else if(!strcmp(&argv[1][5], "giga"))
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modelnum = 18;
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else if(!strcmp(&argv[1][5], "1g2g"))
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modelnum = 19;
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else if(!strcmp(&argv[1][5], "c200"))
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modelnum = 20;
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else if(!strcmp(&argv[1][5], "gigs"))
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modelnum = 21;
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else {
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fprintf(stderr, "unsupported model: %s\n", &argv[1][5]);
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return 2;
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}
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/* we store a 4-letter model name too, for humans */
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strcpy(modelname, &argv[1][5]);
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chksum = modelnum; /* start checksum calcs with this */
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}
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else if(!strcmp(argv[1], "-iriver")) {
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/* iRiver code dealt with in the iriver.c code */
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iname = argv[2];
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oname = argv[3];
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iriver_encode(iname, oname, FALSE);
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return 0;
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}
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else if(!strcmp(argv[1], "-gigabeat")) {
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/* iRiver code dealt with in the iriver.c code */
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iname = argv[2];
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oname = argv[3];
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gigabeat_code(iname, oname);
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return 0;
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}
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else if(!strcmp(argv[1], "-gigabeats")) {
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iname = argv[2];
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oname = argv[3];
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gigabeat_s_code(iname, oname);
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return 0;
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}
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else if(!strcmp(argv[1], "-iaudiox5")) {
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iname = argv[2];
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oname = argv[3];
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return iaudio_encode(iname, oname, "COWON_X5_FW");
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}
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else if(!strcmp(argv[1], "-iaudiox5v")) {
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iname = argv[2];
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oname = argv[3];
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return iaudio_encode(iname, oname, "COWON_X5V_FW");
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}
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else if(!strcmp(argv[1], "-iaudiom5")) {
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iname = argv[2];
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oname = argv[3];
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return iaudio_encode(iname, oname, "COWON_M5_FW");
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}
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else if(!strcmp(argv[1], "-ipod3g")) {
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iname = argv[2];
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oname = argv[3];
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return ipod_encode(iname, oname, 2, false); /* Firmware image v2 */
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}
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else if(!strcmp(argv[1], "-ipod4g")) {
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iname = argv[2];
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oname = argv[3];
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return ipod_encode(iname, oname, 3, false); /* Firmware image v3 */
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}
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else if(!strcmp(argv[1], "-ipod5g")) {
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iname = argv[2];
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oname = argv[3];
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return ipod_encode(iname, oname, 3, true); /* Firmware image v3 */
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}
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else if(!strncmp(argv[1], "-mi4", 4)) {
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int mi4magic;
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int version;
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char model[4] = "";
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char type[4] = "";
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if(!strcmp(&argv[1][4], "v2")) {
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mi4magic = MI4_MAGIC_DEFAULT;
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version = 0x00010201;
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}
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else if(!strcmp(&argv[1][4], "v3")) {
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mi4magic = MI4_MAGIC_DEFAULT;
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version = 0x00010301;
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}
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else if(!strcmp(&argv[1][4], "r")) {
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mi4magic = MI4_MAGIC_R;
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version = 0x00010301;
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}
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else {
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printf( "Invalid mi4 version: %s\n", &argv[1][4]);
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return -1;
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}
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iname = argv[2];
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oname = argv[3];
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if(!strncmp(argv[2], "-model=", 7)) {
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iname = argv[3];
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oname = argv[4];
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strncpy(model, &argv[2][7], 4);
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if(!strncmp(argv[3], "-type=", 6)) {
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iname = argv[4];
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oname = argv[5];
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strncpy(type, &argv[3][6], 4);
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}
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}
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return mi4_encode(iname, oname, version, mi4magic, model, type);
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}
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/* open file */
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file = fopen(iname,"rb");
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if (!file) {
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perror(iname);
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return -1;
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}
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fseek(file,0,SEEK_END);
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length = ftell(file);
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length = (length + 3) & ~3; /* Round up to nearest 4 byte boundary */
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if ((method == scramble) &&
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((length + headerlen) >= size_limit[model_id])) {
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printf("error: firmware image is %d bytes while max size is %d!\n",
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length + headerlen,
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size_limit[model_id]);
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fclose(file);
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return -1;
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}
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fseek(file,0,SEEK_SET);
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inbuf = malloc(length);
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if (method == xor)
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outbuf = malloc(length*2);
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else if(method == add)
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outbuf = malloc(length + 8);
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else
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outbuf = malloc(length);
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if ( !inbuf || !outbuf ) {
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printf("out of memory!\n");
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return -1;
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}
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if(length> 4) {
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/* zero-fill the last 4 bytes to make sure there's no rubbish there
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when we write the size-aligned file later */
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memset(outbuf+length-4, 0, 4);
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}
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/* read file */
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i=fread(inbuf,1,length,file);
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if ( !i ) {
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perror(iname);
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return -1;
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}
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fclose(file);
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switch (method)
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{
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case add:
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for (i = 0; i < length; i++) {
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/* add 8 unsigned bits but keep a 32 bit sum */
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chksum += inbuf[i];
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}
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break;
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case scramble:
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slen = length/4;
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for (i = 0; i < length; i++) {
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unsigned long addr = (i >> 2) + ((i % 4) * slen);
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unsigned char data = inbuf[i];
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data = ~((data << 1) | ((data >> 7) & 1)); /* poor man's ROL */
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outbuf[addr] = data;
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}
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break;
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case xor:
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/* "compress" */
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slen = 0;
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for (i=0; i<length; i++) {
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if (!(i&7))
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outbuf[slen++] = 0xff; /* all data is uncompressed */
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outbuf[slen++] = inbuf[i];
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}
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break;
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}
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if(method != add) {
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/* calculate checksum */
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for (i=0;i<length;i++)
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crc += inbuf[i];
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}
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memset(header, 0, sizeof header);
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switch (method)
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{
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case add:
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{
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int2be(chksum, header); /* checksum, big-endian */
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memcpy(&header[4], modelname, 4); /* 4 bytes model name */
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memcpy(outbuf, inbuf, length); /* the input buffer to output*/
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headerlen = 8;
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}
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break;
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case scramble:
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if (headerlen == 6) {
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int2be(length, header);
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header[4] = (crc >> 8) & 0xff;
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header[5] = crc & 0xff;
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}
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else {
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header[0] =
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header[1] =
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header[2] =
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header[3] = 0xff; /* ??? */
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header[6] = (crc >> 8) & 0xff;
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header[7] = crc & 0xff;
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header[11] = version;
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header[15] = headerlen; /* really? */
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int2be(length, &header[20]);
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}
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break;
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case xor:
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{
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int xorlen = strlen(xorstring);
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/* xor data */
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for (i=0; i<slen; i++)
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outbuf[i] ^= xorstring[i & (xorlen-1)];
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/* calculate checksum */
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for (i=0; i<slen; i++)
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crc += outbuf[i];
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header[0] = header[2] = 'Z';
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header[1] = header[3] = version;
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int2le(length, &header[4]);
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int2le(slen, &header[8]);
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int2le(crc, &header[12]);
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length = slen;
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break;
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}
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#define MY_FIRMWARE_TYPE "Rockbox"
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#define MY_HEADER_VERSION 1
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default:
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strncpy((char *)header, MY_FIRMWARE_TYPE,9);
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header[9]='\0'; /*shouldn't have to, but to be SURE */
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header[10]=MY_HEADER_VERSION&0xFF;
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header[11]=(crc>>8)&0xFF;
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header[12]=crc&0xFF;
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int2be(sizeof(header), &header[12]);
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break;
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}
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/* write file */
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file = fopen(oname,"wb");
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if ( !file ) {
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perror(oname);
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return -1;
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}
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if ( !fwrite(header,headerlen,1,file) ) {
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perror(oname);
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return -1;
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}
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if ( !fwrite(outbuf,length,1,file) ) {
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perror(oname);
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return -1;
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}
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fclose(file);
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free(inbuf);
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|
free(outbuf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int iaudio_encode(char *iname, char *oname, char *idstring)
|
|
{
|
|
size_t len;
|
|
int length;
|
|
FILE *file;
|
|
unsigned char *outbuf;
|
|
int i;
|
|
unsigned char sum = 0;
|
|
|
|
file = fopen(iname, "rb");
|
|
if (!file) {
|
|
perror(iname);
|
|
return -1;
|
|
}
|
|
fseek(file,0,SEEK_END);
|
|
length = ftell(file);
|
|
|
|
fseek(file,0,SEEK_SET);
|
|
outbuf = malloc(length+0x1030);
|
|
|
|
if ( !outbuf ) {
|
|
printf("out of memory!\n");
|
|
return -1;
|
|
}
|
|
|
|
len = fread(outbuf+0x1030, 1, length, file);
|
|
if(len < length) {
|
|
perror(iname);
|
|
return -2;
|
|
}
|
|
|
|
memset(outbuf, 0, 0x1030);
|
|
strcpy((char *)outbuf, idstring);
|
|
|
|
for(i = 0; i < length;i++)
|
|
sum += outbuf[0x1030 + i];
|
|
|
|
int2be(length, &outbuf[0x1024]);
|
|
outbuf[0x102b] = sum;
|
|
|
|
fclose(file);
|
|
|
|
file = fopen(oname, "wb");
|
|
if (!file) {
|
|
perror(oname);
|
|
return -3;
|
|
}
|
|
|
|
len = fwrite(outbuf, 1, length+0x1030, file);
|
|
if(len < length) {
|
|
perror(oname);
|
|
return -4;
|
|
}
|
|
|
|
fclose(file);
|
|
}
|
|
|
|
|
|
/* Create an ipod firmware partition image
|
|
|
|
fw_ver = 2 for 3rd Gen ipods, 3 for all later ipods including 5g.
|
|
|
|
This function doesn't yet handle the Broadcom resource image for the 5g,
|
|
so the resulting images won't be usable.
|
|
|
|
This has also only been tested on an ipod Photo
|
|
*/
|
|
|
|
int ipod_encode(char *iname, char *oname, int fw_ver, bool fake_rsrc)
|
|
{
|
|
static const char *apple_stop_sign = "{{~~ /-----\\ "\
|
|
"{{~~ / \\ "\
|
|
"{{~~| | "\
|
|
"{{~~| S T O P | "\
|
|
"{{~~| | "\
|
|
"{{~~ \\ / "\
|
|
"{{~~ \\-----/ "\
|
|
"Copyright(C) 200"\
|
|
"1 Apple Computer"\
|
|
", Inc.----------"\
|
|
"----------------"\
|
|
"----------------"\
|
|
"----------------"\
|
|
"----------------"\
|
|
"----------------"\
|
|
"---------------";
|
|
size_t len;
|
|
int length;
|
|
int rsrclength;
|
|
int rsrcoffset;
|
|
FILE *file;
|
|
unsigned int sum = 0;
|
|
unsigned int rsrcsum = 0;
|
|
unsigned char *outbuf;
|
|
int bufsize;
|
|
int i;
|
|
|
|
file = fopen(iname, "rb");
|
|
if (!file) {
|
|
perror(iname);
|
|
return -1;
|
|
}
|
|
fseek(file,0,SEEK_END);
|
|
length = ftell(file);
|
|
|
|
fseek(file,0,SEEK_SET);
|
|
|
|
bufsize=(length+0x4600);
|
|
if (fake_rsrc) {
|
|
bufsize = (bufsize + 0x400) & ~0x200;
|
|
}
|
|
|
|
outbuf = malloc(bufsize);
|
|
|
|
if ( !outbuf ) {
|
|
printf("out of memory!\n");
|
|
return -1;
|
|
}
|
|
|
|
len = fread(outbuf+0x4600, 1, length, file);
|
|
if(len < length) {
|
|
perror(iname);
|
|
return -2;
|
|
}
|
|
fclose(file);
|
|
|
|
/* Calculate checksum for later use in header */
|
|
for(i = 0x4600; i < 0x4600+length;i++)
|
|
sum += outbuf[i];
|
|
|
|
/* Clear the header area to zero */
|
|
memset(outbuf, 0, 0x4600);
|
|
|
|
/* APPLE STOP SIGN */
|
|
strcpy((char *)outbuf, apple_stop_sign);
|
|
|
|
/* VOLUME HEADER */
|
|
memcpy(&outbuf[0x100],"]ih[",4); /* Magic */
|
|
int2le(0x4000, &outbuf[0x104]); /* Firmware offset relative to 0x200 */
|
|
short2le(0x10c, &outbuf[0x108]); /* Location of extended header */
|
|
short2le(fw_ver, &outbuf[0x10a]);
|
|
|
|
/* Firmware Directory - "osos" entry */
|
|
memcpy(&outbuf[0x4200],"!ATAsoso",8); /* dev and type */
|
|
int2le(0, &outbuf[0x4208]); /* id */
|
|
int2le(0x4400, &outbuf[0x420c]); /* devOffset */
|
|
int2le(length, &outbuf[0x4210]); /* Length of firmware */
|
|
int2le(0x10000000, &outbuf[0x4214]); /* Addr */
|
|
int2le(0, &outbuf[0x4218]); /* Entry Offset */
|
|
int2le(sum, &outbuf[0x421c]); /* Checksum */
|
|
int2le(0x00006012, &outbuf[0x4220]); /* vers - 0x6012 is a guess */
|
|
int2le(0xffffffff, &outbuf[0x4224]); /* LoadAddr - for flash images */
|
|
|
|
/* "rsrc" entry (if applicable) */
|
|
if (fake_rsrc) {
|
|
rsrcoffset=(length+0x4600+0x200) & ~0x200;
|
|
rsrclength=0x200;
|
|
rsrcsum=0;
|
|
|
|
memcpy(&outbuf[0x4228],"!ATAcrsr",8); /* dev and type */
|
|
int2le(0, &outbuf[0x4230]); /* id */
|
|
int2le(rsrcoffset, &outbuf[0x4234]); /* devOffset */
|
|
int2le(rsrclength, &outbuf[0x4238]); /* Length of firmware */
|
|
int2le(0x10000000, &outbuf[0x423c]); /* Addr */
|
|
int2le(0, &outbuf[0x4240]); /* Entry Offset */
|
|
int2le(rsrcsum, &outbuf[0x4244]); /* Checksum */
|
|
int2le(0x0000b000, &outbuf[0x4248]); /* vers */
|
|
int2le(0xffffffff, &outbuf[0x424c]); /* LoadAddr - for flash images */
|
|
}
|
|
|
|
file = fopen(oname, "wb");
|
|
if (!file) {
|
|
perror(oname);
|
|
return -3;
|
|
}
|
|
|
|
len = fwrite(outbuf, 1, length+0x4600, file);
|
|
if(len < length) {
|
|
perror(oname);
|
|
return -4;
|
|
}
|
|
|
|
fclose(file);
|
|
|
|
return 0;
|
|
}
|