启用禁用USB接口

一个小工具，功能有启用禁用外网、USB接口，可由服务端socket长链接进行操控客户端从而达到实现前边的这些功能，这里贴上核心代码，先给上启用禁用USB接口吧，这个方法可随时启用禁用，之前用过一个改usb接口状态那个方法不大行，对于已经插进去的没啥作用了，这个是后来改过的

启用USB

        public bool EnableUSB()

        {

            if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices"))

            {

                CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows", "RemovableStorageDevices", "");

            }

            if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))

            {

                CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");

            }

            SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");

            SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");

            bool blDevices = SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");

            if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR"))

            {

                CreateRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\", "USBSTOR", "");

            }

            bool blUsbStor = SetRegistValue("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR", "Start", "", "REG_DWORD");

            if (GetSystemIs64() == "")

            {

                if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices"))

                {

                    CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\", "RemovableStorageDevices", "");

                }

                if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))

                {

                    CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");

                }

                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");

                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");

                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");

            }

            return blDevices && blUsbStor;

        }

禁用USB

        public bool DisableUSB()

        {

            if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices"))

            {

                CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows", "RemovableStorageDevices", "");

            }

            if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))

            {

                CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");

            }

            SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");

            SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");

            bool blDevices = SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");

            if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR"))

            {

                CreateRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\", "USBSTOR", "");

            }

            bool blUsbStor = SetRegistValue("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR", "Start", "", "REG_DWORD");

            if (GetSystemIs64() == "")

            {

                if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices"))

                {

                    CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\", "RemovableStorageDevices", "");

                }

                if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))

                {

                    CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");

                }

                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");

                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");

                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");

            }

            return blDevices && blUsbStor;

        }

判断获取操作系统位数

        private string GetSystemIs64()

        {

            try

            {

                string systemtype = "";

                ObjectQuery oq = new ObjectQuery("select AddressWidth from Win32_Processor");

                ManagementObjectSearcher query1 = new ManagementObjectSearcher(oq);

                ManagementObjectCollection moc = query1.Get();

                foreach (ManagementObject mo in moc)

                {

                    try

                    {

                        systemtype = mo["addressWidth"].ToString();

                    }

                    catch

                    {

                        systemtype += "null";

                        continue;

                    }

                }

                moc = null;

                oq = null;

                query1 = null;

                return systemtype;

            }

            catch (Exception ex)

            {

                ErrorCollectHelper.ErrorLog("获取操作系统位数错误", ex.ToString());

                return "";

            }

        }

操作注册表

        private bool IsExistRegistKey(string rootKey, string subKey)

        {

            bool isExistKey = false;

            try

            {

                RegistryKey hkml = GetRegistryKey(rootKey);

                if (hkml != null)

                {

                    RegistryKey subkey = hkml.OpenSubKey(subKey, true);

                    if (subkey != null)

                        isExistKey = true;

                }

            }

            catch (Exception ex)

            {

                ErrorCollectHelper.ErrorLog("打开注册表错误", ex.ToString());

            }

            return isExistKey;

        }

        private void CreateRegistKey(string rootKey, string subKey, string keyName, string keyValue)

        {

            try

            {

                RegistryKey hkml = GetRegistryKey(rootKey);

                if (hkml != null)

                {

                    RegistryKey subkey = hkml.CreateSubKey(subKey);

                    if (subkey != null && keyName != "")

                        subkey.SetValue(keyName, keyValue, RegistryValueKind.String);

                }

            }

            catch (Exception ex)

            {

                ErrorCollectHelper.ErrorLog("创建注册表错误", ex.ToString());

            }

        }

        private bool SetRegistValue(string rootKey, string subKey, string key, string value, string type)

        {

            try

            {

                RegistryKey hkml = GetRegistryKey(rootKey);

                if (hkml != null)

                {

                    RegistryKey secKey = hkml.OpenSubKey(subKey, true);

                    if (secKey != null)

                        secKey.SetValue(key, value, GetValueKind(type));

                    else

                    {

                        secKey = hkml.CreateSubKey(subKey);

                        if (secKey != null)

                            secKey.SetValue(key, value, GetValueKind(type));

                    }

                }

                return true;

            }

            catch (Exception ex)

            {

                ErrorCollectHelper.ErrorLog("修改注册表错误", ex.ToString());

                return false;

            }

        }

        private bool DeleteRegistValue(string rootKey, string subKey, string key)

        {

            try

            {

                RegistryKey hkml = GetRegistryKey(rootKey);

                if (hkml != null)

                {

                    RegistryKey secKey = hkml.OpenSubKey(subKey, true);

                    if (secKey != null)

                    {

                        if (secKey.GetValue(key) != null)

                            secKey.DeleteValue(key);

                    }

                }

                return true;

            }

            catch (System.Exception ex)

            {

                ErrorCollectHelper.ErrorLog("删除注册表错误", ex.ToString());

                return false;

            }

        }

        private RegistryValueKind GetValueKind(string typeInfo)

        {

            switch (typeInfo)

            {

                case "REG_DWORD":

                    return RegistryValueKind.DWord;

                case "REG_SZ":

                    return RegistryValueKind.String;

                default:

                    return RegistryValueKind.None;

            }

        }

        private RegistryKey GetRegistryKey(string rootkey)

        {

            if (string.IsNullOrEmpty(rootkey))

                return null;

            switch (rootkey)

            {

                case "HKEY_CURRENT_USER":

                    return Registry.CurrentUser;

                case "HKEY_LOCAL_MACHINE":

                    return Registry.LocalMachine;

                case "HKEY_CLASSES_ROOT":

                    return Registry.ClassesRoot;

                case "HKEY_USERS":

                    return Registry.Users;

                case "HKEY_CURRENT_CONFIG":

                    return Registry.CurrentConfig;

                default:

                    return null;

            }

        }

以上内容都是比较固定死的，没什么技术含量，这些内容可以直接拿着作为helper用了

（下一个是启用禁用外网）

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