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DllCall windivert.dll, "unable to use the DLL file"


AzKay
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Hi, trying to call WinDivert.dll

#RequireAdmin

#cs
   handle = DivertOpen(argv[1], 0, priority, DIVERT_FLAG_SNIFF);

   HANDLE DivertOpen(
        __in const char *filter,
        __in DIVERT_LAYER layer,
        __in INT16 priority,
        __in UINT64 flags
    );
#ce

$dllWinDivert = DllOpen("WinDivert.dll")
$hWinDivert = DllCall($dllWinDivert, "handle", "DivertOpen", "char*", "true", "struct", 0, "uint16", 0, "uint64", 0)
If @error Then MsgBox(0, "", @error)
DllClose($dllWinDivert)

I'm getting an "1 unable to use the DLL file" error at the DllCall().

If I play around with the types, I'll get "bad parameter" errors, so I'm assuming the ones I've used are at least "close", else would it not give a bad param error?

Any ideas? Thanks.

Edited by AzKay
# MY LOVE FOR YOU... IS LIKE A TRUCK- #
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Use 'str' instead of char*.

Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the Universe
trying to produce bigger and better idiots.
So far, the Universe is winning.

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Your DLLCall should be using the return from your DLLOpen, not the variable you're assigning the result of the call to.

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Use 'str' instead of char*.

 

That gives me a @error 5, bad parameter error

 

Your DLLCall should be using the return from your DLLOpen, not the variable you're assigning the result of the call to.

Do you mean the $hWinDivert? That was a typo, meant $dllWinDivert

Edited by AzKay
# MY LOVE FOR YOU... IS LIKE A TRUCK- #
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Global $hDLLWinDivert = DllOpen("WinDivert.dll")

Global $aWinDivert = DllCall($hDLLWinDivert, "handle:cdecl", "DivertOpen", "str", "true", "ptr", 0, "short", 0, "UINT64", 0)
If @error Then
    MsgBox(0, "Error", @error)
    DllClose($hDLLWinDivert)
    Exit
EndIf

MsgBox(0,"Result", $aWinDivert[0])

Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the Universe
trying to produce bigger and better idiots.
So far, the Universe is winning.

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Doesn't seem to get past the DllCall with that, exits right after(?) it, if I MsgBox() after it it just exits without calling it

# MY LOVE FOR YOU... IS LIKE A TRUCK- #
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For me it works, both x86 und x64. Be sure to use the right version of dllwith the right compiled script (x86, x64).

Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the Universe
trying to produce bigger and better idiots.
So far, the Universe is winning.

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Hm, DllCall with x86 gave you an error with the x64 dll??? Of course!!

Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the Universe
trying to produce bigger and better idiots.
So far, the Universe is winning.

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