mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-17 23:41:53 +01:00
322 lines
7.0 KiB
C
322 lines
7.0 KiB
C
#include <ogcsys.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include "ntfs.h"
|
|
#include "ntfsfile_frag.h"
|
|
|
|
#include "libwbfs/libwbfs.h"
|
|
#include "wbfs.h"
|
|
#include "wbfs_ext.h"
|
|
#include "usbstorage.h"
|
|
#include "frag.h"
|
|
#include "utils.h"
|
|
#include "sys.h"
|
|
#include "wdvd.h"
|
|
#include "gecko.h"
|
|
#include "ext2_frag.h"
|
|
#include "fatfile_frag.h"
|
|
|
|
FragList *frag_list = NULL;
|
|
|
|
void frag_init(FragList *ff, int maxnum)
|
|
{
|
|
memset(ff, 0, sizeof(Fragment) * (maxnum+1));
|
|
ff->maxnum = maxnum;
|
|
}
|
|
|
|
void frag_dump(FragList *ff)
|
|
{
|
|
u32 i;
|
|
gprintf("frag list: %d %d 0x%x\n", ff->num, ff->size, ff->size);
|
|
for (i = 0; i < ff->num; i++)
|
|
{
|
|
if (i > 10)
|
|
{
|
|
gprintf("...\n");
|
|
break;
|
|
}
|
|
gprintf(" %d : %8x %8x %8x\n", i, ff->frag[i].offset, ff->frag[i].count, ff->frag[i].sector);
|
|
}
|
|
}
|
|
|
|
int frag_append(FragList *ff, u32 offset, u32 sector, u32 count)
|
|
{
|
|
int n;
|
|
if (count)
|
|
{
|
|
n = ff->num - 1;
|
|
if (ff->num > 0 && ff->frag[n].offset + ff->frag[n].count == offset && ff->frag[n].sector + ff->frag[n].count == sector)
|
|
ff->frag[n].count += count;
|
|
else
|
|
{
|
|
if (ff->num >= ff->maxnum) return -500; // too many fragments
|
|
|
|
n = ff->num;
|
|
ff->frag[n].offset = offset;
|
|
ff->frag[n].sector = sector;
|
|
ff->frag[n].count = count;
|
|
ff->num++;
|
|
}
|
|
}
|
|
ff->size = offset + count;
|
|
return 0;
|
|
}
|
|
|
|
int _frag_append(void *ff, u32 offset, u32 sector, u32 count)
|
|
{
|
|
return frag_append(ff, offset, sector, count);
|
|
}
|
|
|
|
int frag_concat(FragList *ff, FragList *src)
|
|
{
|
|
int ret;
|
|
u32 i;
|
|
u32 size = ff->size;
|
|
|
|
for (i=0; i<src->num; i++)
|
|
{
|
|
ret = frag_append(ff, size + src->frag[i].offset,
|
|
src->frag[i].sector, src->frag[i].count);
|
|
if (ret) return ret;
|
|
}
|
|
ff->size = size + src->size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
// in case a sparse block is requested,
|
|
// the returned poffset might not be equal to requested offset
|
|
// the difference should be filled with 0
|
|
int frag_get(FragList *ff, u32 offset, u32 count, u32 *poffset, u32 *psector, u32 *pcount)
|
|
{
|
|
u32 i;
|
|
u32 delta;
|
|
for (i=0; i<ff->num; i++)
|
|
{
|
|
if (ff->frag[i].offset <= offset && ff->frag[i].offset + ff->frag[i].count > offset)
|
|
{
|
|
delta = offset - ff->frag[i].offset;
|
|
*poffset = offset;
|
|
*psector = ff->frag[i].sector + delta;
|
|
*pcount = ff->frag[i].count - delta;
|
|
if (*pcount > count) *pcount = count;
|
|
goto out;
|
|
}
|
|
if (ff->frag[i].offset > offset && ff->frag[i].offset < offset + count)
|
|
{
|
|
delta = ff->frag[i].offset - offset;
|
|
*poffset = ff->frag[i].offset;
|
|
*psector = ff->frag[i].sector;
|
|
*pcount = ff->frag[i].count;
|
|
count -= delta;
|
|
if (*pcount > count) *pcount = count;
|
|
goto out;
|
|
}
|
|
}
|
|
// not found
|
|
if (offset + count > ff->size) return -1; // error: out of range!
|
|
|
|
// if inside range, then it must be just sparse, zero filled
|
|
// return empty block at the end of requested
|
|
*poffset = offset + count;
|
|
*psector = 0;
|
|
*pcount = 0;
|
|
out:
|
|
|
|
return 0;
|
|
}
|
|
|
|
int frag_remap(FragList *ff, FragList *log, FragList *phy)
|
|
{
|
|
u32 i;
|
|
u32 offset;
|
|
u32 sector;
|
|
for (i=0; i<log->num; i++)
|
|
{
|
|
u32 delta = 0;
|
|
u32 count = 0;
|
|
do
|
|
{
|
|
int ret = frag_get(phy, log->frag[i].sector + delta + count,
|
|
log->frag[i].count - delta - count, &offset, §or, &count);
|
|
if (ret) return ret; // error
|
|
|
|
delta = offset - log->frag[i].sector;
|
|
ret = frag_append(ff, log->frag[i].offset + delta, sector, count);
|
|
if (ret) return ret; // error
|
|
|
|
}
|
|
while (count + delta < log->frag[i].count);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int get_frag_list(u8 *id, char *path, const u32 hdd_sector_size)
|
|
{
|
|
char fname[1024];
|
|
bzero(fname, 1024);
|
|
u32 length = strlen(path);
|
|
strcpy(fname, path);
|
|
|
|
int ret, ret_val = -1;
|
|
u32 i, j;
|
|
|
|
if(fname[length-1] > '0' && fname[length-1] < '9')
|
|
return 0;
|
|
bool isWBFS = wbfs_part_fs != PART_FS_WBFS && strcasestr(strrchr(fname,'.'), ".wbfs") != 0;
|
|
|
|
struct stat st;
|
|
FragList *fs = MEM2_alloc(sizeof(FragList));
|
|
FragList *fa = MEM2_alloc(sizeof(FragList));
|
|
FragList *fw = MEM2_alloc(sizeof(FragList));
|
|
if(fs == NULL || fa == NULL || fw == NULL)
|
|
goto out;
|
|
|
|
frag_init(fa, MAX_FRAG);
|
|
|
|
for (i = 0; i < 10; i++) // .wbfs1 - .wbfsA, 10 possible splits? lol overkill?
|
|
{
|
|
frag_init(fs, MAX_FRAG);
|
|
if (i > 0)
|
|
{
|
|
fname[length-1] = '0' + i;
|
|
if (stat(fname, &st) == -1) break;
|
|
}
|
|
if (wbfs_part_fs == PART_FS_FAT)
|
|
{
|
|
ret = _FAT_get_fragments(fname, &_frag_append, fs);
|
|
if (ret)
|
|
{
|
|
ret_val = 0;
|
|
goto out;
|
|
}
|
|
}
|
|
else if (wbfs_part_fs == PART_FS_NTFS)
|
|
{
|
|
ret = _NTFS_get_fragments(fname, &_frag_append, fs);
|
|
if (ret)
|
|
{
|
|
ret_val = ret;
|
|
goto out;
|
|
}
|
|
}
|
|
else if (wbfs_part_fs == PART_FS_EXT)
|
|
{
|
|
ret = _EXT2_get_fragments(fname, &_frag_append, fs);
|
|
if (ret)
|
|
{
|
|
ret_val = ret;
|
|
goto out;
|
|
}
|
|
}
|
|
else if (wbfs_part_fs == PART_FS_WBFS)
|
|
{
|
|
// if wbfs file format, remap.
|
|
wbfs_disc_t *d = WBFS_OpenDisc(id, path);
|
|
if (!d)
|
|
{
|
|
ret_val = -4;
|
|
WBFS_CloseDisc(d);
|
|
goto out;
|
|
}
|
|
ret = wbfs_get_fragments(d, &_frag_append, fs, hdd_sector_size);
|
|
WBFS_CloseDisc(d);
|
|
if (ret)
|
|
{
|
|
ret_val = -5;
|
|
goto out;
|
|
}
|
|
}
|
|
if (wbfs_part_fs == PART_FS_NTFS || wbfs_part_fs == PART_FS_EXT)
|
|
{
|
|
gprintf("Shifting all frags by sector: %d\n", wbfs_part_lba);
|
|
// offset to start of partition
|
|
for (j = 0; j < fs->num; j++)
|
|
fs->frag[j].sector += wbfs_part_lba;
|
|
}
|
|
|
|
frag_concat(fa, fs);
|
|
}
|
|
|
|
frag_list = MEM1_memalign(32, sizeof(FragList));
|
|
if(frag_list == NULL)
|
|
goto out;
|
|
|
|
frag_init(frag_list, MAX_FRAG);
|
|
if (isWBFS) // If this is a .wbfs file format, remap.
|
|
{
|
|
wbfs_disc_t *disc = WBFS_OpenDisc(id, path);
|
|
if (!disc)
|
|
{
|
|
ret_val = -4;
|
|
goto out;
|
|
}
|
|
frag_init(fw, MAX_FRAG);
|
|
ret = wbfs_get_fragments(disc, &_frag_append, fw, hdd_sector_size);
|
|
if (ret)
|
|
{
|
|
ret_val = -5;
|
|
goto out;
|
|
}
|
|
WBFS_CloseDisc(disc); // Close before jumping on fail.
|
|
if(frag_remap(frag_list, fw, fa))
|
|
{
|
|
ret_val = -6;
|
|
goto out;
|
|
}
|
|
}
|
|
else
|
|
memcpy(frag_list, fa, sizeof(FragList)); // .iso files do not need a remap, just copy
|
|
|
|
ret_val = 0;
|
|
|
|
out:
|
|
if(fs != NULL)
|
|
{
|
|
MEM2_free(fs);
|
|
fs = NULL;
|
|
}
|
|
if(fa != NULL)
|
|
{
|
|
MEM2_free(fa);
|
|
fa = NULL;
|
|
}
|
|
if(fw != NULL)
|
|
{
|
|
MEM2_free(fw);
|
|
fw = NULL;
|
|
}
|
|
return ret_val;
|
|
}
|
|
|
|
int set_frag_list(u8 *id)
|
|
{
|
|
if (frag_list == NULL)
|
|
return -2;
|
|
|
|
// (+1 for header which is same size as fragment)
|
|
int size = sizeof(Fragment) * (frag_list->num + 1);
|
|
DCFlushRange(frag_list, size);
|
|
|
|
gprintf("Calling WDVD_SetFragList, frag list size %d\n", size);
|
|
|
|
int ret = WDVD_SetFragList(wbfsDev, frag_list, size);
|
|
|
|
MEM1_free(frag_list);
|
|
frag_list = NULL;
|
|
|
|
if(ret)
|
|
return ret;
|
|
|
|
// verify id matches
|
|
char discid[32] ATTRIBUTE_ALIGN(32);
|
|
memset(discid, 0, sizeof(discid));
|
|
|
|
ret = WDVD_UnencryptedRead(discid, 32, 0);
|
|
gprintf("Reading ID after setting fraglist: %s (expected: %s)\n", discid, id);
|
|
return (strncasecmp((char *) id, discid, 6) != 0) ? -3 : 0;
|
|
}
|