u8* U8Archive::GetFileAllocated( u32 fstIdx, u32 *size ) const
{
u32 len;
const u8 *stuff = GetFile( fstIdx, &len );
if( !stuff )
{
return NULL;
}
return DecompressCopy( stuff, len, size );
}
u8* U8Archive::GetFileAllocated( const char *path, u32 *size ) const
{
u32 len;
const u8 *stuff = GetFile( path, &len );
if( !stuff )
{
return NULL;
}
return DecompressCopy( stuff, len, size );
}
CprsErr TextCompressor::Decompress(char* dest, int dlen, char* src, int slen, char** index, const ushort* lens,
int nrec)
{
MEASURE_FET("TextCompressor::Decompress(...)");
if((!dest) || (!src) || (!index) || (slen <= 0) || (nrec <= 0)) return CPRS_ERR_PAR;
if(slen < 2) return CPRS_ERR_BUF;
// old versions
if(src[0]) return DecompressVer2(dest, dlen, src, slen, index, lens, nrec);
int spos = 1;
// copy compress
char ver = src[spos++];
if(ver == 0) return DecompressCopy(dest, dlen, src+spos, slen-spos, index, lens, nrec);
// Version 3
if(slen <= spos) return CPRS_ERR_BUF;
char lev = src[spos++];
if((ver != 3) || (lev < 1) || (lev > 9)) return CPRS_ERR_VER;
// check if 'dlen' is large enough
//int sumlen = 0;
//for(int i = 0; i < nrec; i++)
// sumlen += lens[i];
//if(sumlen > dlen) return CPRS_ERR_BUF;
// decompress with IncWGraph
try {
RangeCoder coder;
coder.InitDecompress(src, slen, spos);
graph->Decode(&coder, index, lens, nrec, dest, dlen);
} catch(CprsErr& e) {
return e;
}
return CPRS_SUCCESS;
}
bool NandSave::CheckSave()
{
/* 10 million variables */
u32 u8_bin_size = 0;
u8 *u8_bin = NULL;
u32 certSize = 0;
signed_blob *certBuffer = NULL;
u32 tmd_bin_size = 0;
const signed_blob *tmd_bin = NULL;
u32 tik_bin_size = 0;
const signed_blob *tik_bin = NULL;
u32 banner_bin_size = 0;
const u8 *banner_bin = NULL;
u32 entries = 0;
/* May our banner already exist */
memset(&ISFS_Path, 0, ISFS_MAXPATH);
strcpy(ISFS_Path, BANNER_PATH);
fd = ISFS_Open(ISFS_Path, ISFS_OPEN_READ);
if(fd >= 0)
{
ISFS_Close(fd);
gprintf("Found WiiFlow Save\n");
goto done;
}
/* extract our archive */
u8_bin = DecompressCopy(save_bin, save_bin_size, &u8_bin_size);
if(u8_bin == NULL || u8_bin_size == 0)
goto error;
/* grab cert.sys */
memset(&ISFS_Path, 0, ISFS_MAXPATH);
strcpy(ISFS_Path, "/sys/cert.sys");
certBuffer = (signed_blob*)ISFS_GetFile(ISFS_Path, &certSize, -1);
if(certBuffer == NULL || certSize == 0)
goto error;
/* Install tik and tmd */
tik_bin = (const signed_blob*)u8_get_file(u8_bin, "tik.bin", &tik_bin_size);
if(tik_bin == NULL || tik_bin_size == 0)
goto error;
ret = ES_AddTicket(tik_bin, tik_bin_size, certBuffer, certSize, NULL, 0);
if(ret < 0)
goto error;
tmd_bin = (const signed_blob*)u8_get_file(u8_bin, "tmd.bin", &tmd_bin_size);
if(tmd_bin == NULL || tmd_bin_size == 0)
goto error;
ret = ES_AddTitleStart(tmd_bin, tmd_bin_size, certBuffer, certSize, NULL, 0);
if(ret < 0)
goto error;
ret = ES_AddTitleFinish();
if(ret < 0)
goto error;
/* WARNING dirty, delete tik again */
memset(&ISFS_Path, 0, ISFS_MAXPATH);
strcpy(ISFS_Path, "/ticket/00010000/57465346.tik");
ret = ISFS_Delete(ISFS_Path);
if(ret < 0)
goto error;
/* Delete the unused ticket folder */
memset(&ISFS_Path, 0, ISFS_MAXPATH);
strcpy(ISFS_Path, "/ticket/00010000");
ret = ISFS_ReadDir(ISFS_Path, NULL, &entries);
if(ret < 0)
goto error;
if(entries == 0)
{
ret = ISFS_Delete(ISFS_Path);
if(ret < 0)
goto error;
}
banner_bin = u8_get_file(u8_bin, "banner.bin", &banner_bin_size);
if(banner_bin == NULL || banner_bin_size == 0)
goto error;
memset(&ISFS_Path, 0, ISFS_MAXPATH);
strcpy(ISFS_Path, BANNER_PATH);
/* Write our banner */
ISFS_CreateFile(ISFS_Path, 0, 3, 3, 3);
fd = ISFS_Open(ISFS_Path, ISFS_OPEN_WRITE);
if(fd < 0)
goto error;
ret = ISFS_Write(fd, banner_bin, banner_bin_size);
ISFS_Close(fd);
if(ret < 0)
{
ISFS_Delete(ISFS_Path);
goto error;
}
free(certBuffer);
if(u8_bin != save_bin)
free(u8_bin);
gprintf("Created WiiFlow Save\n");
done:
loaded = true;
return loaded;
error:
gprintf("Error while creating WiiFlow Save\n");
loaded = false;
ES_AddTitleCancel();
if(certBuffer != NULL)
free(certBuffer);
certBuffer = NULL;
if(u8_bin != NULL)
free(u8_bin);
u8_bin = NULL;
tik_bin = NULL;
tmd_bin = NULL;
banner_bin = NULL;
return loaded;
}