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allow viewing and dumping(single files) of all partitions on a wii disc

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2642 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Shawn Hoffman
2009-03-10 17:19:30 +00:00
parent b43cb723b9
commit 33fd57ed99
4 changed files with 74 additions and 22 deletions
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21
Source/Core/DiscIO/Src/VolumeCreator.cpp
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@ -65,10 +65,10 @@ private:
const unsigned char g_MasterKey[16] = {0xeb,0xe4,0x2a,0x22,0x5e,0x85,0x93,0xe4,0x48,0xd9,0xc5,0x45,0x73,0x81,0xaa,0xf7};
const unsigned char g_MasterKeyK[16] = {0x63,0xb8,0x2b,0xb4,0xf4,0x61,0x4e,0x2e,0x13,0xf2,0xfe,0xfb,0xba,0x4c,0x9b,0x7e};
IVolume* CreateVolumeFromCryptedWiiImage(IBlobReader& _rReader, u32 _VolumeType, bool Korean);
IVolume* CreateVolumeFromCryptedWiiImage(IBlobReader& _rReader, u32 _VolumeType, u32 _VolumeNum, bool Korean);
EDiscType GetDiscType(IBlobReader& _rReader);
IVolume* CreateVolumeFromFilename(const std::string& _rFilename)
IVolume* CreateVolumeFromFilename(const std::string& _rFilename, u32 _VolumeNum)
{
IBlobReader* pReader = CreateBlobReader(_rFilename.c_str());
if (pReader == NULL)
@ -85,7 +85,7 @@ IVolume* CreateVolumeFromFilename(const std::string& _rFilename)
u8 region;
pReader->Read(0x3,1,&region);
IVolume* pVolume = CreateVolumeFromCryptedWiiImage(*pReader, 0, region == 'K');
IVolume* pVolume = CreateVolumeFromCryptedWiiImage(*pReader, 0, _VolumeNum, region == 'K');
if (pVolume == NULL)
{
@ -122,11 +122,14 @@ bool IsVolumeWiiDisc(const IVolume *_rVolume)
return (Common::swap32(MagicWord) == 0x5D1C9EA3);
}
IVolume* CreateVolumeFromCryptedWiiImage(IBlobReader& _rReader, u32 _VolumeType, bool Korean)
IVolume* CreateVolumeFromCryptedWiiImage(IBlobReader& _rReader, u32 _VolumeType, u32 _VolumeNum, bool Korean)
{
CBlobBigEndianReader Reader(_rReader);
u32 numPartitions = Reader.Read32(0x40000);
// Check if we're looking for a valid partition
if (_VolumeNum != -1 && _VolumeNum > numPartitions)
return NULL;
u64 PartitionsOffset = (u64)Reader.Read32(0x40004) << 2;
#ifdef _WIN32
struct SPartition
@ -146,12 +149,14 @@ IVolume* CreateVolumeFromCryptedWiiImage(IBlobReader& _rReader, u32 _VolumeType,
PartitionsVec.push_back(Partition);
}
// find the partition with the game... type == 1 is prolly the firmware update partition
// return the partition type specified or number
// types: 0 = game, 1 = firmware update, 2 = channel installer
// some partitions on ssbb use the ascii title id of the demo VC game they hold...
for (size_t i = 0; i < PartitionsVec.size(); i++)
{
const SPartition& rPartition = PartitionsVec[i];
if (rPartition.Type == _VolumeType)
if (rPartition.Type == _VolumeType || i == _VolumeNum)
{
u8 SubKey[16];
_rReader.Read(rPartition.Offset + 0x1bf, 16, SubKey);
@ -166,7 +171,9 @@ IVolume* CreateVolumeFromCryptedWiiImage(IBlobReader& _rReader, u32 _VolumeType,
u8 VolumeKey[16];
AES_cbc_encrypt(SubKey, VolumeKey, 16, &AES_KEY, IV, AES_DECRYPT);
return new CVolumeWiiCrypted(&_rReader, rPartition.Offset + 0x20000, VolumeKey);
// -1 means the caller just wanted the partition with matching type
if (_VolumeNum == -1 || i == _VolumeNum)
return new CVolumeWiiCrypted(&_rReader, rPartition.Offset + 0x20000, VolumeKey);
}
}