/// <summary>
/// Injects a packet into the network stack. The injected packet may be one received from
/// <seealso cref="WinDivertRecv(IntPtr, WinDivertBuffer, ref WinDivertAddress, ref uint)" />,
/// or a modified version, or a completely new packet. Injected packets can be captured and
/// diverted again by other WinDivert handles with lower priorities.
/// </summary>
/// <param name="handle">
/// A valid WinDivert handle created by <seealso cref="WinDivertOpen(string, WinDivertLayer, short, WinDivertOpenFlags)" />.
/// </param>
/// <param name="packet">
/// A buffer containing the packet to be injected.
/// </param>
/// <param name="packetLength">
/// A buffer containing the packet to be injected.
/// </param>
/// <param name="flags">
/// Reserved, set to zero.
/// </param>
/// <param name="address">
/// The <seealso cref="WinDivertAddress" /> for the injected packet.
/// </param>
/// <returns>
/// TRUE if a packet was successfully injected, or FALSE otherwise. Use
/// <seealso cref="Marshal.GetLastWin32Error" /> to get the reason. The error code
/// ERROR_IO_PENDING indicates that the overlapped operation has been successfully initiated
/// and that completion will be indicated at a later time. All other codes indicate an error.
/// </returns>
public static bool WinDivertSendEx(IntPtr handle, WinDivertBuffer packet, uint packetLength, ulong flags, ref WinDivertAddress address)
{
fixed (WinDivertAddress* pAddress = &address)
{
var result = WinDivertNative.WinDivertSendEx(handle, packet.BufferPointer, packetLength, flags, ref address, IntPtr.Zero, IntPtr.Zero);
return result;
}
}
/// <summary>
/// Injects a packet into the network stack. The injected packet may be one received from
/// <seealso cref="WinDivertRecv(IntPtr, WinDivertBuffer, ref WinDivertAddress, ref uint)" />,
/// or a modified version, or a completely new packet. Injected packets can be captured and
/// diverted again by other WinDivert handles with lower priorities.
/// </summary>
/// <param name="handle">
/// A valid WinDivert handle created by <seealso cref="WinDivertOpen(string, WinDivertLayer, short, WinDivertOpenFlags)" />.
/// </param>
/// <param name="packet">
/// A buffer containing the packet to be injected.
/// </param>
/// <param name="packetLength">
/// A buffer containing the packet to be injected.
/// </param>
/// <param name="flags">
/// Reserved, set to zero.
/// </param>
/// <param name="address">
/// The <seealso cref="WinDivertAddress" /> for the injected packet.
/// </param>
/// <param name="sendLen">
/// The total number of bytes injected.
/// </param>
/// <param name="lpOverlapped">
/// An optional <seealso cref="NativeOverlapped" /> instance.
/// </param>
/// <returns>
/// TRUE if a packet was successfully injected, or FALSE otherwise. Use
/// <seealso cref="Marshal.GetLastWin32Error" /> to get the reason. The error code
/// ERROR_IO_PENDING indicates that the overlapped operation has been successfully initiated
/// and that completion will be indicated at a later time. All other codes indicate an error.
/// </returns>
public static bool WinDivertSendEx(IntPtr handle, WinDivertBuffer packet, uint packetLength, ulong flags, ref WinDivertAddress address, ref uint sendLen, ref NativeOverlapped lpOverlapped)
{
fixed (WinDivertAddress* pAddress = &address)
{
fixed (uint* pWriteLen = &sendLen)
{
var result = WinDivertNative.WinDivertSendEx(handle, packet.BufferPointer, (uint)packetLength, flags, ref address, ref sendLen, ref lpOverlapped);
return result;
}
}
}
