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#region Disclaimer / License
// Copyright (C) 2011, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
namespace Duplicati.Library.Backend
{
internal class Win32
{
[DllImport("mpr.dll")]
private static extern int WNetAddConnection2(ref NETRESOURCE netResource,
string password, string username, int flags);
[DllImport("mpr.dll")]
public static extern int WNetCancelConnection2(string sharename, int dwFlags, int fForce);
private struct NETRESOURCE
{
public ResourceScope dwScope;
public ResourceType dwType;
public ResourceDisplayType dwDisplayType;
public ResourceUsage dwUsage;
public string LocalName;
public string RemoteName;
public string Comment;
public string Provider;
}
private enum ResourceScope : int
{
RESOURCE_CONNECTED = 1,
RESOURCE_GLOBALNET,
RESOURCE_REMEMBERED,
RESOURCE_RECENT,
RESOURCE_CONTEXT
};
private enum ResourceType : int
{
RESOURCETYPE_ANY,
RESOURCETYPE_DISK,
RESOURCETYPE_PRINT,
RESOURCETYPE_RESERVED
};
private enum ResourceDisplayType : int
{
RESOURCEDISPLAYTYPE_GENERIC,
RESOURCEDISPLAYTYPE_DOMAIN,
RESOURCEDISPLAYTYPE_SERVER,
RESOURCEDISPLAYTYPE_SHARE,
RESOURCEDISPLAYTYPE_FILE,
RESOURCEDISPLAYTYPE_GROUP,
RESOURCEDISPLAYTYPE_NETWORK,
RESOURCEDISPLAYTYPE_ROOT,
RESOURCEDISPLAYTYPE_SHAREADMIN,
RESOURCEDISPLAYTYPE_DIRECTORY,
RESOURCEDISPLAYTYPE_TREE,
RESOURCEDISPLAYTYPE_NDSCONTAINER
};
private enum ResourceUsage : int
{
RESOURCEUSAGE_CONNECTABLE = 0x00000001,
RESOURCEUSAGE_CONTAINER = 0x00000002,
RESOURCEUSAGE_NOLOCALDEVICE = 0x00000004,
RESOURCEUSAGE_SIBLING = 0x00000008,
RESOURCEUSAGE_ATTACHED = 0x00000010,
RESOURCEUSAGE_ALL = (RESOURCEUSAGE_CONNECTABLE | RESOURCEUSAGE_CONTAINER | RESOURCEUSAGE_ATTACHED),
};
private const int CONNECT_UPDATE_PROFILE = 0x1;
internal static bool PreAuthenticate(string path, string username, string password, bool forceReauth)
{
//Strip it down from \\server\share\folder1\folder2\filename.extension to
// \\server\share
string minpath = path;
if (!minpath.StartsWith("\\\\"))
return false;
int first = minpath.IndexOf("\\", 2);
if (first <= 0)
return false;
int next = minpath.IndexOf("\\", first + 1);
if (next >= 0)
minpath = minpath.Substring(0, next);
//This only works on Windows, and probably not on Win95
try
{
NETRESOURCE rsc = new NETRESOURCE();
rsc.dwScope = ResourceScope.RESOURCE_GLOBALNET;
rsc.dwType = ResourceType.RESOURCETYPE_DISK;
rsc.dwDisplayType = ResourceDisplayType.RESOURCEDISPLAYTYPE_SHARE;
rsc.dwUsage = ResourceUsage.RESOURCEUSAGE_CONNECTABLE;
rsc.LocalName = null;
rsc.RemoteName = minpath;
// Forces close an existing network connection
if (forceReauth)
WNetCancelConnection2(minpath, CONNECT_UPDATE_PROFILE, 1);
int retCode = WNetAddConnection2(ref rsc, password, username, CONNECT_UPDATE_PROFILE);
return retCode == 0;
}
catch
{
return false;
}
}
}
}
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