private long MapNro(ServiceCtx Context, NroInfo Info, out long NroMappedAddress)
{
NroMappedAddress = 0;
long TargetAddress = Context.Process.MemoryManager.AddrSpaceStart;
long HeapRegionStart = Context.Process.MemoryManager.HeapRegionStart;
long HeapRegionEnd = Context.Process.MemoryManager.HeapRegionEnd;
long MapRegionStart = Context.Process.MemoryManager.MapRegionStart;
long MapRegionEnd = Context.Process.MemoryManager.MapRegionEnd;
while (true)
{
if (TargetAddress + Info.TotalSize >= Context.Process.MemoryManager.AddrSpaceEnd)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
bool IsValidAddress = !(HeapRegionStart > 0 && HeapRegionStart <= TargetAddress + Info.TotalSize - 1 &&
TargetAddress <= HeapRegionEnd - 1) &&
!(MapRegionStart > 0 &&
MapRegionStart <= TargetAddress + Info.TotalSize - 1 &&
TargetAddress <= MapRegionEnd - 1);
if (IsValidAddress && Context.Process.MemoryManager.HleIsUnmapped(TargetAddress, Info.TotalSize))
{
break;
}
TargetAddress += 0x1000;
}
Context.Process.LoadProgram(Info.Executable, TargetAddress);
Info.NroMappedAddress = TargetAddress;
NroMappedAddress = TargetAddress;
return(0);
}
private long MapNro(ServiceCtx context, NroInfo info, out ulong nroMappedAddress)
{
nroMappedAddress = 0;
KMemoryManager memMgr = context.Process.MemoryManager;
ulong targetAddress = memMgr.GetAddrSpaceBaseAddr();
while (true)
{
if (targetAddress + info.TotalSize >= memMgr.AddrSpaceEnd)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
KMemoryInfo memInfo = memMgr.QueryMemory(targetAddress);
if (memInfo.State == MemoryState.Unmapped && memInfo.Size >= info.TotalSize)
{
if (!memMgr.InsideHeapRegion(targetAddress, info.TotalSize) &&
!memMgr.InsideAliasRegion(targetAddress, info.TotalSize))
{
break;
}
}
targetAddress += memInfo.Size;
}
KernelResult result = memMgr.MapProcessCodeMemory(targetAddress, info.NroAddress, info.NroSize);
if (result != KernelResult.Success)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
ulong bssTargetAddress = targetAddress + info.NroSize;
if (info.BssSize != 0)
{
result = memMgr.MapProcessCodeMemory(bssTargetAddress, info.BssAddress, info.BssSize);
if (result != KernelResult.Success)
{
memMgr.UnmapProcessCodeMemory(targetAddress, info.NroAddress, info.NroSize);
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
}
result = LoadNroIntoMemory(context.Process, info.Executable, targetAddress);
if (result != KernelResult.Success)
{
memMgr.UnmapProcessCodeMemory(targetAddress, info.NroAddress, info.NroSize);
if (info.BssSize != 0)
{
memMgr.UnmapProcessCodeMemory(bssTargetAddress, info.BssAddress, info.BssSize);
}
return(0);
}
info.NroMappedAddress = targetAddress;
nroMappedAddress = targetAddress;
return(0);
}
public long ParseNro(out NroInfo res, ServiceCtx context, ulong nroAddress, ulong nroSize, ulong bssAddress, ulong bssSize)
{
res = null;
if (_nroInfos.Count >= MaxNro)
{
return(MakeError(ErrorModule.Loader, LoaderErr.MaxNro));
}
else if (nroSize == 0 || nroAddress + nroSize <= nroAddress || (nroSize & 0xFFF) != 0)
{
return(MakeError(ErrorModule.Loader, LoaderErr.BadSize));
}
else if (bssSize != 0 && bssAddress + bssSize <= bssAddress)
{
return(MakeError(ErrorModule.Loader, LoaderErr.BadSize));
}
else if ((nroAddress & 0xFFF) != 0)
{
return(MakeError(ErrorModule.Loader, LoaderErr.UnalignedAddress));
}
uint magic = context.Memory.ReadUInt32((long)nroAddress + 0x10);
uint nroFileSize = context.Memory.ReadUInt32((long)nroAddress + 0x18);
if (magic != NroMagic || nroSize != nroFileSize)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
byte[] nroData = context.Memory.ReadBytes((long)nroAddress, (long)nroSize);
byte[] nroHash = null;
MemoryStream stream = new MemoryStream(nroData);
using (SHA256 hasher = SHA256.Create())
{
nroHash = hasher.ComputeHash(stream);
}
if (!IsNroHashPresent(nroHash))
{
return(MakeError(ErrorModule.Loader, LoaderErr.NroHashNotPresent));
}
if (IsNroLoaded(nroHash))
{
return(MakeError(ErrorModule.Loader, LoaderErr.NroAlreadyLoaded));
}
stream.Position = 0;
NxRelocatableObject executable = new NxRelocatableObject(stream, nroAddress, bssAddress);
// check if everything is page align.
if ((executable.Text.Length & 0xFFF) != 0 || (executable.Ro.Length & 0xFFF) != 0 ||
(executable.Data.Length & 0xFFF) != 0 || (executable.BssSize & 0xFFF) != 0)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
// check if everything is contiguous.
if (executable.RoOffset != executable.TextOffset + executable.Text.Length ||
executable.DataOffset != executable.RoOffset + executable.Ro.Length ||
nroFileSize != executable.DataOffset + executable.Data.Length)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
// finally check the bss size match.
if ((ulong)executable.BssSize != bssSize)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
int totalSize = executable.Text.Length + executable.Ro.Length + executable.Data.Length + executable.BssSize;
res = new NroInfo(
executable,
nroHash,
nroAddress,
nroSize,
bssAddress,
bssSize,
(ulong)totalSize);
return(0);
}
private long MapNro(ServiceCtx Context, NroInfo Info, out ulong NroMappedAddress)
{
NroMappedAddress = 0;
KMemoryManager MemMgr = Context.Process.MemoryManager;
ulong TargetAddress = MemMgr.GetAddrSpaceBaseAddr();
while (true)
{
if (TargetAddress + Info.TotalSize >= MemMgr.AddrSpaceEnd)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
KMemoryInfo MemInfo = MemMgr.QueryMemory(TargetAddress);
if (MemInfo.State == MemoryState.Unmapped && MemInfo.Size >= Info.TotalSize)
{
if (!MemMgr.InsideHeapRegion(TargetAddress, Info.TotalSize) &&
!MemMgr.InsideAliasRegion(TargetAddress, Info.TotalSize))
{
break;
}
}
TargetAddress += MemInfo.Size;
}
KernelResult Result = MemMgr.MapProcessCodeMemory(TargetAddress, Info.NroAddress, Info.NroSize);
if (Result != KernelResult.Success)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
ulong BssTargetAddress = TargetAddress + Info.NroSize;
if (Info.BssSize != 0)
{
Result = MemMgr.MapProcessCodeMemory(BssTargetAddress, Info.BssAddress, Info.BssSize);
if (Result != KernelResult.Success)
{
MemMgr.UnmapProcessCodeMemory(TargetAddress, Info.NroAddress, Info.NroSize);
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
}
Result = LoadNroIntoMemory(Context.Process, Info.Executable, TargetAddress);
if (Result != KernelResult.Success)
{
MemMgr.UnmapProcessCodeMemory(TargetAddress, Info.NroAddress, Info.NroSize);
if (Info.BssSize != 0)
{
MemMgr.UnmapProcessCodeMemory(BssTargetAddress, Info.BssAddress, Info.BssSize);
}
return(0);
}
Info.NroMappedAddress = TargetAddress;
NroMappedAddress = TargetAddress;
return(0);
}
public long ParseNro(out NroInfo Res, ServiceCtx Context, ulong NroAddress, ulong NroSize, ulong BssAddress, ulong BssSize)
{
Res = null;
if (NroInfos.Count >= MaxNro)
{
return(MakeError(ErrorModule.Loader, LoaderErr.MaxNro));
}
else if (NroSize == 0 || NroAddress + NroSize <= NroAddress || (NroSize & 0xFFF) != 0)
{
return(MakeError(ErrorModule.Loader, LoaderErr.BadSize));
}
else if (BssSize != 0 && BssAddress + BssSize <= BssAddress)
{
return(MakeError(ErrorModule.Loader, LoaderErr.BadSize));
}
else if ((NroAddress & 0xFFF) != 0)
{
return(MakeError(ErrorModule.Loader, LoaderErr.UnalignedAddress));
}
uint Magic = Context.Memory.ReadUInt32((long)NroAddress + 0x10);
uint NroFileSize = Context.Memory.ReadUInt32((long)NroAddress + 0x18);
if (Magic != NroMagic || NroSize != NroFileSize)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
byte[] NroData = Context.Memory.ReadBytes((long)NroAddress, (long)NroSize);
byte[] NroHash = null;
MemoryStream Stream = new MemoryStream(NroData);
using (SHA256 Hasher = SHA256.Create())
{
NroHash = Hasher.ComputeHash(Stream);
}
if (!IsNroHashPresent(NroHash))
{
return(MakeError(ErrorModule.Loader, LoaderErr.NroHashNotPresent));
}
if (IsNroLoaded(NroHash))
{
return(MakeError(ErrorModule.Loader, LoaderErr.NroAlreadyLoaded));
}
Stream.Position = 0;
NxRelocatableObject Executable = new NxRelocatableObject(Stream, NroAddress, BssAddress);
// check if everything is page align.
if ((Executable.Text.Length & 0xFFF) != 0 || (Executable.RO.Length & 0xFFF) != 0 ||
(Executable.Data.Length & 0xFFF) != 0 || (Executable.BssSize & 0xFFF) != 0)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
// check if everything is contiguous.
if (Executable.ROOffset != Executable.TextOffset + Executable.Text.Length ||
Executable.DataOffset != Executable.ROOffset + Executable.RO.Length ||
NroFileSize != Executable.DataOffset + Executable.Data.Length)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
// finally check the bss size match.
if ((ulong)Executable.BssSize != BssSize)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidNro));
}
int TotalSize = Executable.Text.Length + Executable.RO.Length + Executable.Data.Length + Executable.BssSize;
Res = new NroInfo(
Executable,
NroHash,
NroAddress,
NroSize,
BssAddress,
BssSize,
(ulong)TotalSize);
return(0);
}
