public Boolean IsHumanReadableInteger(int v)
{
//check if the value is a human usable value (between 0 and 10000 or dividable by at least 100)
//Human readable if:
//The value is in the range of -10000 and 10000
//The value is dividable by 100
var result = AMathUtils.InRange(v, -10000, 10000) | (v % 100 == 0);
return(result);
}
public AVariableType FindTypeOfData(UIntPtr address, UBytePtr buf, int size, AFindTypeOption findOption = AFindTypeOption.None)
{
var v = 0UL;
//check if it matches a string
var result = AVariableType.DWord;
try
{
var floatHasSeparator = false;
int i;
if (!UEnumUtils.HasFlag(findOption, AFindTypeOption.NoString))
{
var isString = true;
var couldBeStringCounter = true;
i = 0;
while (i < 4)
{
//check if the first 4 characters match with a standard ascii values (32 to 127)
if (i < size)
{
if (buf[i] < 32 || buf[i] > 127)
{
isString = false;
if (i > 0)
{
couldBeStringCounter = false;
}
if (!couldBeStringCounter)
{
break;
}
}
}
else
{
isString = false;
couldBeStringCounter = false;
}
i += 1;
}
if (isString)
{
result = AVariableType.String;
return(result);
}
if (couldBeStringCounter && size > 4 && (buf[4] >= 32 || buf[4] <= 127)) //check if the 4th byte of the 'string' is a char or not
{
//this is a string counter
result = AVariableType.Byte;
return(result);
}
//check if unicode
isString = true;
i = 0;
if (size >= 8)
{
while (i < 8)
{
//check if the first 4 characters match with a standard ascii values (32 to 127)
if (buf[i] < 32 || buf[i] > 127)
{
isString = false;
break;
}
i += 1;
if (buf[i] != 0)
{
isString = false;
break;
}
i += 1;
}
}
else
{
isString = false;
}
if (isString)
{
result = AVariableType.UnicodeString;
return(result);
}
}
i = (int)(address.ToUInt64() % 4);
if (size == 4 || size == 8)
{
i = 0; //skip this test, it's a known size data block
}
switch (i)
{
case 1: //1 byte
result = AVariableType.Byte;
return(result);
case 2:
case 3: //2 byte
if (buf.ReadUInt16() < 255 || buf.ReadUInt16() % 10 > 0) //less than 2 byte or not dividable by 10
{
result = AVariableType.Byte;
}
else
{
result = AVariableType.Word;
}
return(result);
}
if (size >= Proc.PointerSize)
{
//named addresses
int n;
if (Proc.IsX64)
{
if ((int)(address.ToUInt64() % 8) == 0)
{
AStringUtils.Val("0x" + SymbolHandler.GetNameFromAddress((UIntPtr)buf.ReadUInt64(), true, true, false, null, out _, 8, false), out v, out n);
}
else
{
n = 0;
}
}
else
{
AStringUtils.Val("0x" + SymbolHandler.GetNameFromAddress((UIntPtr)buf.ReadUInt32(), true, true, false, null, out _, 8, false), out v, out n);
}
if (n > 0) //named
{
result = AVariableType.Pointer;
return(result);
}
}
String x;
if (size >= 2 && size < 4)
{
result = AVariableType.Word;
return(result);
}
else if (size == 1)
{
result = AVariableType.Byte;
return(result);
}
else if (Math.Abs(buf.ReadFloat()) > Single.Epsilon) // todo this seems unreliable since anything can be a single..
{
x = buf.ReadFloat().ToString(CultureInfo.InvariantCulture);
if (AStringUtils.Pos("E", x) == -1) //no exponent
{
//check if the value isn't bigger or smaller than 100000 or smaller than -100000
if (AMathUtils.InRange(buf.ReadFloat(), -100000.0, 100000.0))
{
if (AStringUtils.Pos(AConstants.DecimalSeparator, x) != -1)
{
floatHasSeparator = true;
}
result = AVariableType.Single;
if (x.Length <= 4 || !floatHasSeparator)
{
return(result); //it's a full floating point value or small enough to fit in 3 digits and a separator (1.01, 1.1 ....)
}
}
}
}
if (!UEnumUtils.HasFlag(findOption, AFindTypeOption.NoDouble))
{
if (size >= 8) //check if a double can be used
{
if (Math.Abs(buf.ReadDouble()) > Double.Epsilon) // todo this seems unreliable since anything can be a double..
{
x = buf.ReadDouble().ToString(CultureInfo.InvariantCulture);
if (AStringUtils.Pos("E", x) == -1) //no exponent
{
//check if the value isn't bigger or smaller than 100000 or smaller than -100000
if (buf.ReadDouble() < 100000 && buf.ReadDouble() > -100000)
{
if (result == AVariableType.Single)
{
if (buf.ReadDouble() > buf.ReadFloat())
{
return(result); //float has a smaller value
}
}
result = AVariableType.Double;
if (buf.ReadUInt32() != 0)
{
x = buf.ReadFloat().ToString(CultureInfo.InvariantCulture);
if (AStringUtils.Pos("E", x) == -1) //no exponent
{
//if 4 bytes after this address is a float then override this double to a single type
if (FindTypeOfData(address + 4, buf.Shift(4), size - 4) == AVariableType.Single)
{
result = AVariableType.Single;
}
}
}
return(result);
}
}
}
}
}
//check if it's a pointer
if (Proc.IsX64)
{
if (((int)(address.ToUInt64() % 8) == 0) & AMemoryHelper.IsReadable(Proc.Handle, ((UIntPtr)buf.ReadUInt64()).ToIntPtr()))
{
result = AVariableType.Pointer;
return(result);
}
}
else
{
if (AMemoryHelper.IsReadable(Proc.Handle, ((UIntPtr)buf.ReadUInt32()).ToIntPtr()))
{
result = AVariableType.Pointer;
// if inrange(pdword(@buf[0])^, $3d000000, $44800000)=false then //if it's not in this range, assume it's a pointer. Otherwise, could be a float
return(result);
}
}
// todo implement custom type
//if customtype is not nil check if the dword is humanreadable or not
// if ((customtype != nil) && (result == vtdword) && (ishumanreadableinteger(pdword(&buf[0])) == false))
// {
// //not human readable, see if there is a custom type that IS human readable
// for (i = 0; i <= customtypes.count - 1; i++)
// {
// if (tcustomtype(customtypes[i]).scriptusesfloat)
// {
// //float check
// f = tcustomtype(customtypes[i]).convertdatatofloat(&buf[0], address);
// x = floattostr(f);
//
// if ((pos("E", x) == 0) && (f != 0) & inrange(f, -100000.0, 100000.0))
// {
// result = vtcustom;
// customtype = customtypes[i];
//
// if (pos(defaultformatsettings.decimalseparator, x) == 0)
// flush(); //found one that has no decimal seperator
//
// }
// }
// else
// {
// //dword check
// if (ishumanreadableinteger(tcustomtype(customtypes[i]).convertdatatointeger(&buf[0], address)))
// {
// result = vtcustom;
// customtype = customtypes[i];
// flush();
// }
// }
// }
// }
}
finally
{
// todo implement custom types
// if (assigned(onautoguessroutine))
// result = onautoguessroutine(address, result);
}
return(result);
}
