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C# 获取当前Windows 10用户的SID|CMD命令行获WIN取操作系统的SID| 获取自己开发系统的的SID

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1、获取windows 10操作系统的 SID,已经测试过,是有些的

1.简单点的:
System.Security.Principal.WindowsIdentity currentUser = System.Security.Principal.WindowsIdentity.GetCurrent();
string sid = currentUser.User.ToString();

 2、cmd 命令行获取SID

 

 

3、获取自定义的SID,可以用在自己的写系统中(未经测试)

2.复杂点的:
private string GetSid(string strLogin)
{
    string str = "";
    // Parse the string to check if domain name is present.
    int idx = strLogin.IndexOf('\\');
    if (idx == -1)
    {
        idx = strLogin.IndexOf('@');
    }

    string strDomain;
    string strName;

    if (idx != -1)
    {
        strDomain = strLogin.Substring(0, idx);
        strName = strLogin.Substring(idx + 1);
    }
    else
    {
        strDomain = Environment.MachineName;
        strName = strLogin;
    }


    DirectoryEntry obDirEntry = null;
    try
    {
        Int64 iBigVal = 5;
        Byte[] bigArr = BitConverter.GetBytes(iBigVal);
        obDirEntry = new DirectoryEntry("WinNT://" +
                                strDomain + "/" + strName);
        System.DirectoryServices.PropertyCollection
                            coll = obDirEntry.Properties;
        object obVal = coll["objectSid"].Value;
        if (null != obVal)
        {
            str = this.ConvertByteToStringSid((Byte[])obVal);
        }

    }
    catch (Exception ex)
    {
        str = "";
        System.Diagnostics.Trace.Write(ex.Message);
    }
    return str;
}

private string ConvertByteToStringSid(Byte[] sidBytes)
{
    StringBuilder strSid = new StringBuilder();
    strSid.Append("S-");
    try
    {
        // Add SID revision.
        strSid.Append(sidBytes[0].ToString());
        // Next six bytes are SID authority value.
        if (sidBytes[6] != 0 || sidBytes[5] != 0)
        {
            string strAuth = String.Format
                ("0x{0:2x}{1:2x}{2:2x}{3:2x}{4:2x}{5:2x}",
                (Int16)sidBytes[1],
                (Int16)sidBytes[2],
                (Int16)sidBytes[3],
                (Int16)sidBytes[4],
                (Int16)sidBytes[5],
                (Int16)sidBytes[6]);
            strSid.Append("-");
            strSid.Append(strAuth);
        }
        else
        {
            Int64 iVal = (Int32)(sidBytes[1]) +
                (Int32)(sidBytes[2] << 8) +
                (Int32)(sidBytes[3] << 16) +
                (Int32)(sidBytes[4] << 24);
            strSid.Append("-");
            strSid.Append(iVal.ToString());
        }

        // Get sub authority count...
        int iSubCount = Convert.ToInt32(sidBytes[7]);
        int idxAuth = 0;
        for (int i = 0; i < iSubCount; i++)
        {
            idxAuth = 8 + i * 4;
            UInt32 iSubAuth = BitConverter.ToUInt32(sidBytes, idxAuth);
            strSid.Append("-");
            strSid.Append(iSubAuth.ToString());
        }
    }
    catch (Exception ex)
    {
        System.Diagnostics.Trace.Write(ex.Message);
        return "";
    }
    return strSid.ToString();
}

 

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