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Update STREAMFILE code a bit

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This commit is contained in:
bnnm 2018-01-27 11:08:51 +01:00
parent d84929b499
commit d161050fca
3 changed files with 135 additions and 90 deletions
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46
src/meta/fsb.c
View File

@ -104,8 +104,8 @@ VGMSTREAM * init_vgmstream_fsb(STREAMFILE *streamFile) {
fsb_header fsb = {0};
/* check extensions (.wii: fsb4_wav? .bnk = Hard Corps Uprising PS3) */
if ( !check_extensions(streamFile, "fsb,wii,bnk") )
/* check extensions (.bnk = Hard Corps Uprising PS3) */
if ( !check_extensions(streamFile, "fsb,bnk") )
goto fail;
/* check header */
@ -363,13 +363,15 @@ fail:
}
static STREAMFILE* setup_fsb4_wav_streamfile(STREAMFILE *streamfile, off_t subfile_offset, size_t subfile_size);
/* FSB4 with "\0WAV" Header, found in Deadly Creatures (Wii).
* Has a 0x10 BE header that holds the filesize (unsure if this is from a proper rip). */
VGMSTREAM * init_vgmstream_fsb4_wav(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE *custom_streamFile = NULL;
off_t custom_start = 0x10;
size_t custom_size = get_streamfile_size(streamFile) - 0x10 - 0x10; //todo
STREAMFILE *test_streamFile = NULL;
off_t subfile_start = 0x10;
size_t subfile_size = get_streamfile_size(streamFile) - 0x10 - 0x10; //todo
/* check extensions */
if ( !check_extensions(streamFile, "fsb,wii") )
@ -379,17 +381,41 @@ VGMSTREAM * init_vgmstream_fsb4_wav(STREAMFILE *streamFile) {
goto fail;
/* parse FSB subfile */
custom_streamFile = open_clamp_streamfile(open_wrap_streamfile(streamFile), custom_start,custom_size);
if (!custom_streamFile) goto fail;
test_streamFile = setup_fsb4_wav_streamfile(streamFile, subfile_start,subfile_size);
if (!test_streamFile) goto fail;
vgmstream = init_vgmstream_fsb(custom_streamFile);
vgmstream = init_vgmstream_fsb(test_streamFile);
if (!vgmstream) goto fail;
close_streamfile(custom_streamFile);
/* init the VGMSTREAM */
close_streamfile(test_streamFile);
return vgmstream;
fail:
close_streamfile(custom_streamFile);
close_streamfile(test_streamFile);
close_vgmstream(vgmstream);
return NULL;
}
static STREAMFILE* setup_fsb4_wav_streamfile(STREAMFILE *streamFile, off_t subfile_offset, size_t subfile_size) {
STREAMFILE *temp_streamFile = NULL, *new_streamFile = NULL;
/* setup subfile */
new_streamFile = open_wrap_streamfile(streamFile);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
new_streamFile = open_clamp_streamfile(temp_streamFile, subfile_offset,subfile_size);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
new_streamFile = open_fakename_streamfile(temp_streamFile, NULL,"fsb");
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
return temp_streamFile;
fail:
close_streamfile(temp_streamFile);
return NULL;
}

177
src/meta/fsb_encrypted.c
View File

@ -3,58 +3,12 @@
#define FSB_KEY_MAX 128 /* probably 32 */
typedef struct {
uint8_t fsbkey[FSB_KEY_MAX];
size_t fsbkey_size;
int is_alt;
} fsb_decryption_data;
static size_t fsb_decryption_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, fsb_decryption_data* data) {
static const unsigned char reverse_bits_table[] = { /* LUT to simplify, could use some bitswap function */
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
};
size_t bytes_read;
int i;
bytes_read = streamfile->read(streamfile, dest, offset, length);
/* decrypt data (inverted bits and xor) */
for (i = 0; i < bytes_read; i++) {
uint8_t xor = data->fsbkey[(offset + i) % data->fsbkey_size];
uint8_t val = dest[i];
if (data->is_alt) {
dest[i] = reverse_bits_table[val ^ xor];
}
else {
dest[i] = reverse_bits_table[val] ^ xor;
}
}
return bytes_read;
}
static STREAMFILE* setup_fsb_streamfile(STREAMFILE *streamFile, const uint8_t * key, size_t key_size, int is_alt);
/* fully encrypted FSBs */
VGMSTREAM * init_vgmstream_fsb_encrypted(STREAMFILE * streamFile) {
VGMSTREAM * vgmstream = NULL;
fsb_decryption_data io_data = {0};
size_t io_data_size = sizeof(fsb_decryption_data);
/* check extensions */
if ( !check_extensions(streamFile, "fsb") )
@ -67,35 +21,29 @@ VGMSTREAM * init_vgmstream_fsb_encrypted(STREAMFILE * streamFile) {
/* try fsbkey + all combinations of FSB4/5 and decryption algorithms */
{
io_data.fsbkey_size = read_key_file(io_data.fsbkey, FSB_KEY_MAX, streamFile);
if (io_data.fsbkey_size) {
STREAMFILE *temp_streamFile = NULL;
uint8_t key[FSB_KEY_MAX];
size_t key_size = read_key_file(key, FSB_KEY_MAX, streamFile);
if (key_size) {
{
STREAMFILE *custom_streamFile = NULL;
temp_streamFile = setup_fsb_streamfile(streamFile, key,key_size, 0);
if (!temp_streamFile) goto fail;
io_data.is_alt = 0;
custom_streamFile = open_io_streamfile(open_wrap_streamfile(streamFile), &io_data,io_data_size, fsb_decryption_read);
if (!custom_streamFile) goto fail;
if (!vgmstream) vgmstream = init_vgmstream_fsb(temp_streamFile);
if (!vgmstream) vgmstream = init_vgmstream_fsb5(temp_streamFile);
if (!vgmstream) vgmstream = init_vgmstream_fsb(custom_streamFile);
if (!vgmstream) vgmstream = init_vgmstream_fsb5(custom_streamFile);
close_streamfile(custom_streamFile);
close_streamfile(temp_streamFile);
}
if (!vgmstream) {
STREAMFILE *custom_streamFile = NULL;
temp_streamFile = setup_fsb_streamfile(streamFile, key,key_size, 1);
if (!temp_streamFile) goto fail;
io_data.is_alt = 1;
custom_streamFile = open_io_streamfile(open_wrap_streamfile(streamFile), &io_data,io_data_size, fsb_decryption_read);
if (!custom_streamFile) goto fail;
if (!vgmstream) vgmstream = init_vgmstream_fsb(temp_streamFile);
if (!vgmstream) vgmstream = init_vgmstream_fsb5(temp_streamFile);
vgmstream = init_vgmstream_fsb(custom_streamFile);
if (!vgmstream)
vgmstream = init_vgmstream_fsb5(custom_streamFile);
close_streamfile(custom_streamFile);
close_streamfile(temp_streamFile);
}
}
}
@ -104,26 +52,22 @@ VGMSTREAM * init_vgmstream_fsb_encrypted(STREAMFILE * streamFile) {
/* try all keys until one works */
if (!vgmstream) {
int i;
STREAMFILE *custom_streamFile = NULL;
STREAMFILE *temp_streamFile = NULL;
for (i = 0; i < fsbkey_list_count; i++) {
if (!fsbkey_list[i].fsbkey_size || fsbkey_list[i].fsbkey_size > FSB_KEY_MAX) goto fail;
fsbkey_info entry = fsbkey_list[i];
;VGM_LOG("fsbkey: size=%i, is_fsb5=%i, is_alt=%i\n", entry.fsbkey_size,entry.is_fsb5, entry.is_alt);
memcpy(io_data.fsbkey, fsbkey_list[i].fsbkey, fsbkey_list[i].fsbkey_size);
io_data.fsbkey_size = fsbkey_list[i].fsbkey_size;
io_data.is_alt = fsbkey_list[i].is_alt;
//;VGM_LOG("fsbkey: size=%i, is_fsb5=%i, is_alt=%i\n", fsbkey_list[i].fsbkey_size,fsbkey_list[i].is_fsb5, fsbkey_list[i].is_alt);
custom_streamFile = open_io_streamfile(open_wrap_streamfile(streamFile), &io_data,io_data_size, fsb_decryption_read);
if (!custom_streamFile) goto fail;
temp_streamFile = setup_fsb_streamfile(streamFile, entry.fsbkey, entry.fsbkey_size, entry.is_alt);
if (!temp_streamFile) goto fail;
if (fsbkey_list[i].is_fsb5) {
vgmstream = init_vgmstream_fsb5(custom_streamFile);
vgmstream = init_vgmstream_fsb5(temp_streamFile);
} else {
vgmstream = init_vgmstream_fsb(custom_streamFile);
vgmstream = init_vgmstream_fsb(temp_streamFile);
}
close_streamfile(custom_streamFile);
close_streamfile(temp_streamFile);
if (vgmstream) break;
}
}
@ -137,3 +81,78 @@ fail:
close_vgmstream(vgmstream);
return NULL;
}
typedef struct {
uint8_t key[FSB_KEY_MAX];
size_t key_size;
int is_alt;
} fsb_decryption_data;
/* Encrypted FSB info from guessfsb and fsbext */
static size_t fsb_decryption_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, fsb_decryption_data* data) {
static const unsigned char reverse_bits_table[] = { /* LUT to simplify, could use some bitswap function */
0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF
};
size_t bytes_read;
int i;
bytes_read = streamfile->read(streamfile, dest, offset, length);
/* decrypt data (inverted bits and xor) */
for (i = 0; i < bytes_read; i++) {
uint8_t xor = data->key[(offset + i) % data->key_size];
uint8_t val = dest[i];
if (data->is_alt) {
dest[i] = reverse_bits_table[val ^ xor];
}
else {
dest[i] = reverse_bits_table[val] ^ xor;
}
}
return bytes_read;
}
static STREAMFILE* setup_fsb_streamfile(STREAMFILE *streamFile, const uint8_t * key, size_t key_size, int is_alt) {
STREAMFILE *temp_streamFile = NULL, *new_streamFile = NULL;
fsb_decryption_data io_data = {0};
size_t io_data_size = sizeof(fsb_decryption_data);
/* setup decryption with key (external) */
if (!key_size || key_size > FSB_KEY_MAX) goto fail;
memcpy(io_data.key, key, key_size);
io_data.key_size = key_size;
io_data.is_alt = is_alt;
/* setup subfile */
new_streamFile = open_wrap_streamfile(streamFile);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
new_streamFile = open_io_streamfile(temp_streamFile, &io_data,io_data_size, fsb_decryption_read);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
return temp_streamFile;
fail:
close_streamfile(temp_streamFile);
return NULL;
}

2
src/meta/fsb_keys.h
View File

@ -30,7 +30,7 @@ static const uint8_t key_gfs[] = { 0x25,0x6C,0x41,0x6E,0x32,0x7B,0x50,0x69,0x2A,
/* RevHeadz Engine Sounds (Mobile) */ //"1^7%82#&5$~/8sz"
static const uint8_t key_rev[] = { 0x31,0x5E,0x37,0x25,0x38,0x32,0x23,0x26,0x35,0x24,0x7E,0x2F,0x38,0x73,0x7A };
/* Dark Souls 3 (PC) */ //"FDPrVuT4fAFvdHJYAgyMzRF4EcBAnKg" //todo ps4?
/* Dark Souls 3 (PC) */ //"FDPrVuT4fAFvdHJYAgyMzRF4EcBAnKg"
static const uint8_t key_ds3[] = { 0x46,0x44,0x50,0x72,0x56,0x75,0x54,0x34,0x66,0x41,0x46,0x76,0x64,0x48,0x4A,0x59,0x41,0x67,0x79,0x4D,0x7A,0x52,0x46,0x34,0x45,0x63,0x42,0x41,0x6E,0x4B,0x67 };
/* Mortal Kombat X */