コード例 #1
0
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 );
}
コード例 #2
0
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 );
}
コード例 #3
0
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;
}
コード例 #4
0
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;
}