ViewCode/*
* 实现文件系统管理功能封装。提供共享文件和文件系统访问权限控制能力。
* 来源：思海网络（http://www.thinksea.com/）
*/
namespace Thinksea.Windows.FileSystem
{
/// <summary>
/// 共享资源类型。
/// </summary>
public enum ShareResourceType : uint
{
/// <summary>
/// 磁盘驱动器
/// </summary>
DiskDrive = 0x0,
PrintQueue = 0x1,
Device = 0x2,
IPC = 0x3,
/// <summary>
/// 为管理目的设置的磁盘驱动器共享。
/// </summary>
DiskDriveAdmin = 0x80000000,
PrintQueueAdmin = 0x80000001,
DeviceAdmin = 0x80000002,
IPCAdmin = 0x80000003
}
/// <summary>
/// 共享配置节。
/// </summary>
public class Share
{
/// <summary>
/// 共享的目录路径。
/// </summary>
public string Path
{
get;
set;
}
/// <summary>
/// 共享名。
/// </summary>
public string Name
{
get;
set;
}
private string _Description = null;
/// <summary>
/// 注释。
/// </summary>
public string Description
{
get
{
return this._Description;
}
set
{
this._Description = value;
}
}
private ShareResourceType _Type = ShareResourceType.DiskDrive;
/// <summary>
/// 共享类型。
/// </summary>
public ShareResourceType Type
{
get
{
return this._Type;
}
set
{
this._Type = value;
}
}
private int _MaximumAllowed = 0;
/// <summary>
/// 允许连接的最大用户数量。取值为 0 表示允许最多用户连接；否则设置为正整数表示允许连接的用户数量限制。
/// </summary>
public int MaximumAllowed
{
get
{
return this._MaximumAllowed;
}
set
{
this._MaximumAllowed = value;
}
}
/// <summary>
/// 一个构造方法。
/// </summary>
/// <param name="Path">共享的目录路径。</param>
/// <param name="Name">共享名。</param>
public Share(string Path, string Name)
{
this.Path = Path;
this.Name = Name;
}
/// <summary>
/// 一个构造方法。
/// </summary>
/// <param name="Path">共享的目录路径。</param>
public Share(string Path)
{
this.Path = Path;
this.Name = Path;
}
}
/// <summary>
/// 文件系统共享管理类。
/// </summary>
/// <example>
/// <code>
/// //获取指定目录的安全性设置
///string path = @"c:\testabc";
///AccessManagement fspm = new AccessManagement();
///AccessCollection dacl = fspm.GetPermission(path);
///foreach (var tmp in dacl)
///{
/// System.Console.WriteLine("[" + tmp.Domain + "]." + tmp.Name + ":" + tmp.SIDString);
/// System.Console.WriteLine(" " + tmp.AccessMask.ToString());
/// System.Console.WriteLine(" " + tmp.AceFlags.ToString());
/// System.Console.WriteLine(" " + tmp.AceType.ToString());
///}
/// //允许用户 Everyone 持“完全访问权限”访问此目录。
///dacl.Clear();
///Access ace = new Access();
///ace.Name = "Everyone";
///ace.AccessMask = AccessPrivileges.AllAccess;
///ace.AceType = AccessType.AccessAllowed;
///dacl.Add(ace);
///fspm.SetPermission(path, dacl);
/// </code>
/// </example>
public class ShareManagement
{
/// <summary>
/// 获取指定名称的共享。
/// </summary>
/// <param name="ShareName">共享名称。</param>
/// <returns>共享信息。找不到返回 null。</returns>
public Share GetShare(string ShareName)
{
ShareName = ShareName.ToLower();
System.Management.ManagementObjectSearcher searcher = new System.Management.ManagementObjectSearcher("SELECT * FROM Win32_share");
foreach (System.Management.ManagementObject share in searcher.Get())
{
if (((string)share.GetPropertyValue("Name")).ToLower() == ShareName)
{
Share s = new Share((string)share.GetPropertyValue("Path"), (string)share.GetPropertyValue("Name"));
s.Description = (string)share.GetPropertyValue("Description");
s.Type = (ShareResourceType)share.GetPropertyValue("Type");
if ((bool)share.GetPropertyValue("AllowMaximum"))
{
s.MaximumAllowed = 0;
}
else
{
s.MaximumAllowed = System.Convert.ToInt32(share.GetPropertyValue("MaximumAllowed"));
}
return s;
}
}
return null;
}
/// <summary>
/// 获取全部的共享信息。
/// </summary>
/// <returns>共享信息集合。</returns>
public Share[] GetShares()
{
System.Collections.Generic.List<Share> l = new System.Collections.Generic.List<Share>();
System.Management.ManagementObjectSearcher searcher = new System.Management.ManagementObjectSearcher("SELECT * FROM Win32_share");
foreach (System.Management.ManagementObject share in searcher.Get())
{
Share s = new Share((string)share.GetPropertyValue("Path"), (string)share.GetPropertyValue("Name"));
s.Description = (string)share.GetPropertyValue("Description");
s.Type = (ShareResourceType)share.GetPropertyValue("Type");
if ((bool)share.GetPropertyValue("AllowMaximum"))
{
s.MaximumAllowed = 0;
}
else
{
s.MaximumAllowed = System.Convert.ToInt32(share.GetPropertyValue("MaximumAllowed"));
}
l.Add(s);
//l.Add(share.GetText(System.Management.TextFormat.Mof));
}
return l.ToArray();
}
/// <summary>
/// 判断指定的共享是否存在。
/// </summary>
/// <param name="ShareName">共享名称。</param>
/// <returns>存在返回 true；否则返回 false。</returns>
public bool IsExistsShare(string ShareName)
{
ShareName = ShareName.ToLower();
System.Management.ManagementObjectSearcher searcher = new System.Management.ManagementObjectSearcher("SELECT * FROM Win32_share");
foreach (System.Management.ManagementObject share in searcher.Get())
{
if (((string)share.GetPropertyValue("Name")).ToLower() == ShareName)
{
return true;
}
}
return false;
}
/// <summary>
/// 为指定的目录开启共享设置。
/// </summary>
/// <param name="sre">共享配置节</param>
public void CreateShare(Share sre)
{
System.Management.ManagementClass mc = new System.Management.ManagementClass("win32_share");
System.Management.ManagementBaseObject inParams = mc.GetMethodParameters("Create");
inParams["Path"] = sre.Path;
inParams["Name"] = sre.Name;
inParams["Type"] = sre.Type;
if (sre.MaximumAllowed == 0)
{
inParams["MaximumAllowed"] = null; //null = 用户数连接无限制,否则指定一个正整数
}
else
{
inParams["MaximumAllowed"] = sre.MaximumAllowed; //null = 用户数连接无限制,否则指定一个正整数
}
inParams["Description"] = sre.Description;
inParams["Password"] = null;
inParams["Access"] = null; //null = 使Everyone拥有完全控制权限
System.Management.ManagementBaseObject outParams = mc.InvokeMethod("Create", inParams, null);
switch ((uint)outParams.Properties["ReturnValue"].Value)
{
case 0: //Success
break;
case 2: //Access denied
throw new System.Exception("无权访问");
case 8: //Unknown failure
throw new System.Exception("未知失败");
case 9: //Invalid name
throw new System.Exception("非法的共享名");
case 10: //Invalid level
throw new System.Exception("非法的层次");
case 21: //Invalid parameter
throw new System.Exception("非法的参数");
case 22: //Duplicate share
throw new System.Exception("重复共享");
case 23: //Redirected path
throw new System.Exception("重定向路径");
case 24: //Unknown device or directory
throw new System.Exception("未知的目录");
case 25: //Net name not found
throw new System.Exception("网络名不存在");
default:
throw new System.Exception("未知异常信息");
}
}
/// <summary>
/// 取消共享指定目录。
/// </summary>
/// <param name="ShareName">共享名称。</param>
public void DeleteShare(string ShareName)
{
System.Management.ManagementObject classInstance = new System.Management.ManagementObject(@"root\CIMV2", "Win32_Share.Name='" + ShareName + @"'", null);
System.Management.ManagementBaseObject outParams = classInstance.InvokeMethod("Delete", null, null);
switch ((uint)outParams.Properties["ReturnValue"].Value)
{
case 0: //Success
break;
case 2: //Access denied
throw new System.Exception("无权访问");
case 8: //Unknown failure
throw new System.Exception("未知失败");
case 9: //Invalid name
throw new System.Exception("非法的共享名");
case 10: //Invalid level
throw new System.Exception("非法的层次");
case 21: //Invalid parameter
throw new System.Exception("非法的参数");
case 22: //Duplicate share
throw new System.Exception("重复共享");
case 23: //Redirected path
throw new System.Exception("重定向路径");
case 24: //Unknown device or directory
throw new System.Exception("未知的目录");
case 25: //Net name not found
throw new System.Exception("网络名不存在");
default:
throw new System.Exception("未知异常信息");
}
}
}
/// <summary>
/// 访问权限描述。
/// </summary>
[System.Flags]
public enum AccessPrivileges : uint
{
/// <summary>
/// 列出文件夹/读取数据
/// </summary>
FileReadData = 0x00000001,
/// <summary>
/// 创建文件/写入数据
/// </summary>
FileWriteData = 0x00000002,
/// <summary>
/// 创建文件夹/附加数据
/// </summary>
FileAppendData = 0x00000004,
/// <summary>
/// 读取扩展属性
/// </summary>
FileReadEA = 0x00000008,
/// <summary>
/// 写入扩展属性
/// </summary>
FileWriteEA = 0x00000010,
/// <summary>
/// 遍历文件夹/运行文件
/// </summary>
FileExecute = 0x00000020,
/// <summary>
/// 删除子文件夹及文件。
/// </summary>
FileDeleteChild = 0x00000040,
/// <summary>
/// 读取属性
/// </summary>
FileReadAttributes = 0x00000080,
/// <summary>
/// 写入属性
/// </summary>
FileWriteAttributes = 0x00000100,
/// <summary>
/// 删除
/// </summary>
Delete = 0x00010000,
/// <summary>
/// 读取权限
/// </summary>
ReadControl = 0x00020000,
/// <summary>
/// 更改权限
/// </summary>
WriteDac = 0x00040000,
/// <summary>
/// 取得所有权
/// </summary>
WriteOwner = 0x00080000,
/// <summary>
/// 完全控制
/// </summary>
AllAccess = FileReadData | FileWriteData | FileAppendData | FileReadEA | FileWriteEA | FileExecute | FileDeleteChild | FileReadAttributes | FileWriteAttributes | Delete | ReadControl | WriteDac | WriteOwner | Synchronize,
/// <summary>
/// 同步
/// </summary>
Synchronize = 0x00100000,
/// <summary>
/// 未知属性（此值保留备用）。
/// </summary>
Unknown = 0x10000000,
}
/// <summary>
/// 指示访问权限应用范围。
/// </summary>
[System.Flags]
public enum AccessFlags : uint
{
/// <summary>
/// 无。
/// </summary>
NonInheritAce = 0,
/// <summary>
/// 该文件夹及文件
/// </summary>
ObjectInheritAce = 1,
/// <summary>
/// 该文件夹及子文件夹
/// </summary>
ContainerInheritAce = 2,
/// <summary>
/// 将这些权限只应用到这个容器中的对象和/容器上
/// </summary>
/// <remarks>
/// 其实这也是继承访问权限的，如果设置此项，则向文件和子文件夹传播刚才设置的特殊访问权限；如果清除选择，则阻止权限的继承。
/// </remarks>
NoPropagateInheritAce = 4,
InheritOnlyAce = 8,
InheritedAce = 16
}
/// <summary>
/// 权限作用类型。
/// </summary>
[System.Flags]
public enum AccessType : uint
{
/// <summary>
/// 允许
/// </summary>
AccessAllowed = 0,
/// <summary>
/// 否认
/// </summary>
AccessDenied = 1,
/// <summary>
/// 审核
/// </summary>
Audit = 2
}
/// <summary>
/// 访问权限设置配置节。
/// </summary>
public class Access
{
internal string _SIDString = "";
/// <summary>
/// ID
/// </summary>
public string SIDString
{
get
{
return this._SIDString;
}
}
/// <summary>
/// 用户/组名称。
/// </summary>
public string Name
{
get;
set;
}
private string _Domain = null;
/// <summary>
/// 域。
/// </summary>
public string Domain
{
get
{
return this._Domain;
}
set
{
this._Domain = value;
}
}
/// <summary>
/// 访问权限
/// </summary>
public AccessPrivileges AccessMask
{
get;
set;
}
private AccessFlags _AceFlags = AccessFlags.ObjectInheritAce | AccessFlags.ContainerInheritAce;
/// <summary>
/// 访问权限应用范围。
/// </summary>
public AccessFlags AceFlags
{
get
{
return this._AceFlags;
}
set
{
this._AceFlags = value;
}
}
private AccessType _AceType = AccessType.AccessAllowed;
/// <summary>
/// 权限作用类型。
/// </summary>
public AccessType AceType
{
get
{
return this._AceType;
}
set
{
this._AceType = value;
}
}
}
/// <summary>
/// 访问权限设置集合。
/// </summary>
public class AccessCollection : System.Collections.Generic.ICollection<Access>
{
/// <summary>
/// 权限集合。
/// </summary>
private System.Collections.Generic.List<Access> DaclCollection = new System.Collections.Generic.List<Access>();
/// <summary>
/// 为此集合对象提供索引访问。
/// </summary>
/// <param name="index"></param>
/// <returns></returns>
public Access this[int index]
{
get
{
return this.DaclCollection[index];
}
}
#region ICollection<Access> 成员
/// <summary>
/// 将对象添加到集合的结尾处。
/// </summary>
/// <param name="item"></param>
public void Add(Access item)
{
this.DaclCollection.Add(item);
}
/// <summary>
/// 从集合中移除所有元素。
/// </summary>
public void Clear()
{
this.DaclCollection.Clear();
}
/// <summary>
/// 确定指定的元素是否在集合中。
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool Contains(Access item)
{
return this.DaclCollection.Contains(item);
}
/// <summary>
/// 将整个集合复制到兼容的一维数组中，从目标数组的指定索引位置开始放置。
/// </summary>
/// <param name="array"></param>
/// <param name="arrayIndex"></param>
public void CopyTo(Access[] array, int arrayIndex)
{
this.DaclCollection.CopyTo(array, arrayIndex);
}
/// <summary>
/// 获取集合中实际包含的元素数。
/// </summary>
public int Count
{
get { return this.DaclCollection.Count; }
}
/// <summary>
/// 获取一个值，判断集合是否为只读。
/// </summary>
public bool IsReadOnly
{
get { return false; }
}
/// <summary>
/// 从集合中移除特定对象的第一个匹配项。
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool Remove(Access item)
{
return this.DaclCollection.Remove(item);
}
#endregion
#region IEnumerable<Access> 成员
/// <summary>
/// 返回循环访问集合的枚举数。
/// </summary>
/// <returns></returns>
public System.Collections.Generic.IEnumerator<Access> GetEnumerator()
{
return this.DaclCollection.GetEnumerator();
}
#endregion
#region IEnumerable 成员
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return this.DaclCollection.GetEnumerator();
}
#endregion
}
/// <summary>
/// 文件系统权限管理类。
/// </summary>
/// <example>
/// <code>
///string path = @"c:\testabc";
///ShareManagement fss = new ShareManagement();
/// //如果存在指定共享则删除
///if (fss.IsExistsShare(path))
///{
/// fss.DeleteShare(path);
///}
///
/// //创建共享
///Share sre = new Share(path);
///sre.MaximumAllowed = 0;
///fss.CreateShare(sre);
///
/// //获取全部的共享
///foreach (Share tmp in fss.GetShares())
///{
/// System.Console.WriteLine(tmp.Name + ":" + tmp.Type.ToString());
///}
/// </code>
/// </example>
public class AccessManagement
{
/// <summary>
/// 一个构造方法。
/// </summary>
public AccessManagement()
{
}
/// <summary>
/// 获取一个 WMI 操作对象。
/// </summary>
/// <param name="FilePath">文件/目录路径。</param>
/// <returns></returns>
private System.Management.ManagementObject GetManagementObject(string FilePath)
{
//ManagementPath path = new ManagementPath();
//path.Server = "."; // 机器名, .表示本机
//path.NamespacePath = @"root\CIMV2";
//path.RelativePath = string.Format("Win32_LogicalFileSecuritySetting.Path='{0}'", FilePath);
//ManagementObject mo = new ManagementObject(path);
return new System.Management.ManagementObject(string.Format("Win32_LogicalFileSecuritySetting.Path='{0}'", FilePath));
}
/// <summary>
/// 获取指定文件或目录的访问权限设置。
/// </summary>
/// <param name="FilePath">文件/目录路径。</param>
/// <returns></returns>
/// <exception cref="System.Exception">无权访问；未知失败；缺少权限；非法的参数</exception>
public AccessCollection GetPermission(string FilePath)
{
if (!System.IO.File.Exists(FilePath) && !System.IO.Directory.Exists(FilePath))
{
throw new System.IO.FileNotFoundException("指定的文件或目录不存在。", FilePath);
}
AccessCollection dacl = new AccessCollection();
System.Management.ManagementObject mo = this.GetManagementObject(FilePath);
System.Management.ManagementBaseObject outParams = mo.InvokeMethod("GetSecurityDescriptor", null, null);
//if ((uint)outParams.Properties["ReturnValue"].Value != 0)
//{
// return null;
//}
switch ((uint)outParams.Properties["ReturnValue"].Value)
{
case 0: //Success
break;
case 2: //Access denied
throw new System.Exception("无权访问");
case 8: //Unknown failure
throw new System.Exception("未知失败");
case 9: //Privilege missing
throw new System.Exception("缺少权限");
case 21: //Invalid parameter
throw new System.Exception("非法的参数");
default:
throw new System.Exception("未知异常信息");
}
System.Management.ManagementBaseObject Descriptor = (System.Management.ManagementBaseObject)outParams.Properties["Descriptor"].Value;
foreach (System.Management.ManagementBaseObject mbo in (System.Management.ManagementBaseObject[])Descriptor.Properties["Dacl"].Value)
{
Access ace = new Access();
ace.AccessMask = (AccessPrivileges)mbo["AccessMask"];
ace.AceFlags = (AccessFlags)mbo["AceFlags"];
ace.AceType = (AccessType)mbo["AceType"];
System.Management.ManagementBaseObject Trustee = ((System.Management.ManagementBaseObject)(mbo["Trustee"]));
ace.Name = (string)Trustee.Properties["Name"].Value;
ace.Domain = (string)Trustee.Properties["Domain"].Value;
ace._SIDString = (string)Trustee.Properties["SIDString"].Value;
dacl.Add(ace);
}
return dacl;
}
/// <summary>
/// 设置指定文件或目录的访问权限设置。
/// </summary>
/// <param name="FilePath">文件/目录路径。</param>
/// <param name="dacl">权限组。</param>
public void SetPermission(string FilePath, AccessCollection dacl)
{
if (!System.IO.File.Exists(FilePath) && !System.IO.Directory.Exists(FilePath))
{
throw new System.IO.FileNotFoundException("指定的文件或目录不存在。", FilePath);
}
System.Management.ManagementObject mo = this.GetManagementObject(FilePath);
System.Management.ManagementBaseObject outParams = mo.InvokeMethod("GetSecurityDescriptor", null, null);
switch ((uint)outParams.Properties["ReturnValue"].Value)
{
case 0: //Success
break;
case 2: //Access denied
throw new System.Exception("无权访问");
case 8: //Unknown failure
throw new System.Exception("未知失败");
case 9: //Privilege missing
throw new System.Exception("缺少权限");
case 21: //Invalid parameter
throw new System.Exception("非法的参数");
default:
throw new System.Exception("未知异常信息");
}
System.Collections.Generic.List<System.Management.ManagementBaseObject> newDacl = new System.Collections.Generic.List<System.Management.ManagementBaseObject>();
foreach (var tmp in dacl)
{
//增加用户
System.Management.ManagementClass trustee = new System.Management.ManagementClass("win32_trustee");
trustee.Properties["Name"].Value = tmp.Name;
trustee.Properties["Domain"].Value = tmp.Domain;
//设置权限
System.Management.ManagementClass ace = new System.Management.ManagementClass("win32_ace");
ace.Properties["AccessMask"].Value = tmp.AccessMask;
ace.Properties["AceFlags"].Value = tmp.AceFlags;
ace.Properties["AceType"].Value = tmp.AceType;
ace.Properties["Trustee"].Value = trustee;
newDacl.Add(ace);
}
System.Management.ManagementBaseObject Descriptor = (System.Management.ManagementBaseObject)outParams.Properties["Descriptor"].Value;
Descriptor.Properties["Dacl"].Value = newDacl.ToArray();
//Descriptor.Properties["Group"].Value = null;
//Descriptor.Properties["Owner"].Value = null;
System.Management.ManagementBaseObject inParams = mo.GetMethodParameters("SetSecurityDescriptor");
inParams["Descriptor"] = Descriptor;
System.Management.ManagementBaseObject ret = mo.InvokeMethod("SetSecurityDescriptor", inParams, null);
switch ((uint)ret.Properties["ReturnValue"].Value)
{
case 0: //Success
break;
case 2: //Access denied
throw new System.Exception("无权访问");
case 8: //Unknown failure
throw new System.Exception("未知失败");
case 9: //Privilege missing
throw new System.Exception("缺少权限");
case 21: //Invalid parameter
throw new System.Exception("非法的参数");
default:
throw new System.Exception("未知异常信息");
}
}
}
}
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