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86 lines
4.3 KiB
86 lines
4.3 KiB
/* Copyright (C) 2008-2016 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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using Alphaleonis.Win32.Filesystem;
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using System;
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using System.Collections.Generic;
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using System.Net.NetworkInformation;
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using System.Security;
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namespace Alphaleonis.Win32.Network
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{
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partial class Host
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{
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/// <summary>Enumerates drives from the local host.</summary>
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/// <returns><see cref="IEnumerable{String}"/> drives from the local host.</returns>
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/// <exception cref="NetworkInformationException"/>
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[SecurityCritical]
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public static IEnumerable<string> EnumerateDrives()
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{
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return EnumerateDrivesCore(null, false);
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}
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/// <summary>Enumerates local drives from the specified host.</summary>
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/// <returns><see cref="IEnumerable{String}"/> drives from the specified host.</returns>
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/// <exception cref="NetworkInformationException"/>
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/// <param name="host">The DNS or NetBIOS name of the remote server. <see langword="null"/> refers to the local host.</param>
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/// <param name="continueOnException">
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/// <para><see langword="true"/> suppress any Exception that might be thrown as a result from a failure,</para>
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/// <para>such as unavailable resources.</para>
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/// </param>
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[SecurityCritical]
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public static IEnumerable<string> EnumerateDrives(string host, bool continueOnException)
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{
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return EnumerateDrivesCore(host, continueOnException);
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}
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/// <summary>Enumerates local drives from the specified host.</summary>
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/// <returns><see cref="IEnumerable{String}"/> drives from the specified host.</returns>
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/// <exception cref="ArgumentNullException"/>
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/// <exception cref="NetworkInformationException"/>
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/// <param name="host">The DNS or NetBIOS name of the remote server. <see langword="null"/> refers to the local host.</param>
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/// <param name="continueOnException">
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/// <para><see langword="true"/> suppress any Exception that might be thrown as a result from a failure,</para>
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/// <para>such as unavailable resources.</para>
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/// </param>
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[SecurityCritical]
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private static IEnumerable<string> EnumerateDrivesCore(string host, bool continueOnException)
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{
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return EnumerateNetworkObjectCore(new FunctionData { EnumType = 1 }, (string structure, SafeGlobalMemoryBufferHandle buffer) =>
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structure,
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(FunctionData functionData, out SafeGlobalMemoryBufferHandle buffer, int prefMaxLen, out uint entriesRead, out uint totalEntries, out uint resume) =>
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{
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// When host == null, the local computer is used.
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// However, the resulting Host property will be empty.
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// So, explicitly state Environment.MachineName to prevent this.
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// Furthermore, the UNC prefix: \\ is not required and always removed.
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string stripUnc = Utils.IsNullOrWhiteSpace(host) ? Environment.MachineName : Path.GetRegularPathCore(host, GetFullPathOptions.CheckInvalidPathChars, false).Replace(Path.UncPrefix, string.Empty);
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return NativeMethods.NetServerDiskEnum(stripUnc, 0, out buffer, NativeMethods.MaxPreferredLength, out entriesRead, out totalEntries, out resume);
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}, continueOnException);
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}
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}
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}
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