启用禁用USB接口

最新推荐文章于 2023-07-04 13:30:55 发布

转载最新推荐文章于 2023-07-04 13:30:55 发布 · 736 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/sixthrhapsody/p/5773230.html

本文提供了一段用于控制USB接口的代码，包括启用和禁用功能。通过修改注册表设置来控制USB读写权限及设备接入状态，适用于不同操作系统位数。

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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", "0", "REG_DWORD");
            SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "0", "REG_DWORD");
            bool blDevices = SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "0", "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", "3", "REG_DWORD");

            if (GetSystemIs64() == "64")
            {

                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", "0", "REG_DWORD");
                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "0", "REG_DWORD");
                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "0", "REG_DWORD");
            }
            return blDevices && blUsbStor;
        }

View Code

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", "1", "REG_DWORD");
            SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "1", "REG_DWORD");
            bool blDevices = SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "1", "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", "4", "REG_DWORD");


            if (GetSystemIs64() == "64")
            {

                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", "1", "REG_DWORD");
                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "1", "REG_DWORD");
                SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "1", "REG_DWORD");
            }
            return blDevices && blUsbStor;
        }

View Code

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 "";
            }
        }

View Code

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;
            }
        }

View Code

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）

转载于:https://www.cnblogs.com/sixthrhapsody/p/5773230.html