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