protected static int IPSecEnumNFAData(IntPtr hStore, Guid PolicyIdentifer, out IPSEC_NFA_DATA ipsecNfaData, out int numNfaObjects)
{
ipsecNfaData = new();
numNfaObjects = -1;
IntPtr pppIpsecNFAdata = Marshal.AllocHGlobal(IntPtr.Size);
IntPtr pNumNFAObjects = Marshal.AllocHGlobal(Marshal.SizeOf(new int()));
int hr = IPSecEnumNFAData(hStore, PolicyIdentifer, pppIpsecNFAdata, pNumNFAObjects);
if (hr != 0)
{
return(hr);
}
IntPtr ppIpsecNFAdata = Marshal.ReadIntPtr(pppIpsecNFAdata);
IntPtr pIpsecNFAdata = Marshal.ReadIntPtr(ppIpsecNFAdata);
ipsecNfaData = (IPSEC_NFA_DATA)Marshal.PtrToStructure(pIpsecNFAdata, typeof(IPSEC_NFA_DATA));
numNfaObjects = Marshal.ReadInt32(pNumNFAObjects);
Marshal.FreeHGlobal(pppIpsecNFAdata);
Marshal.FreeHGlobal(pNumNFAObjects);
return(hr);
}
protected static int IPSecCreateNFAData(IntPtr hStore, Guid PolicyIdentifer, IPSEC_NFA_DATA ipsecNFAData)
{
IntPtr pIpsecNFAData = Marshal.AllocHGlobal(Marshal.SizeOf(new IPSEC_NFA_DATA()) + 0x50);
Marshal.StructureToPtr(ipsecNFAData, pIpsecNFAData, false);
int hr = IPSecCreateNFAData(hStore, PolicyIdentifer, pIpsecNFAData);
Marshal.FreeHGlobal(pIpsecNFAData);
return(hr);
}
/// <summary> /// /// </summary> /// <param name="policyGuid"></param> /// <param name="ipsecNfaData"></param> /// <param name="numNfaObjects"></param> /// <returns></returns> private int GetPolicyNFAData(Guid policyGuid, out IPSEC_NFA_DATA ipsecNfaData, out int numNfaObjects) => IPSecEnumNFAData(hStore, policyGuid, out ipsecNfaData, out numNfaObjects);
/// <summary> /// /// </summary> /// <param name="policyIdentifier"></param> /// <param name="ipsecNFAData"></param> /// <returns></returns> private int CreateRule(Guid policyIdentifier, IPSEC_NFA_DATA ipsecNFAData) => IPSecCreateNFAData(hStore, policyIdentifier, ipsecNFAData);