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副标题[/!--empirenews.page--]
https://blog.csdn.net/bbdxf/article/details/7548443
Windows下程序修改IP的三种方法
????以下讨论的平台依据是Window?XP?+?SP1,?不考虑Windows其它版本的兼容性问题,?但对NT系列的系统,?理论上是通用的.?
方法一:?网卡重启?
????更改Windows网卡属性选项中IP地址,?通过对比前后注册表,?可以发现以下几处发生变化?
[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParametersInterfaces{97EFDAD8-EB2D-4F40-9B07-0FCD706FCB6D}]?
"IPAddress"?
"SubnetMask"?
"DefaultGateway"?
"NameServer"?
[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServices{97EFDAD8-EB2D-4F40-9B07-0FCD706FCB6D}ParametersTcpip]?
"IPAddress"?
"SubnetMask"?
"DefaultGateway"?
[HKEY_LOCAL_MACHINESYSTEMControlSet001ServicesTcpipParametersInterfaces{97EFDAD8-EB2D-4F40-9B07-0FCD706FCB6D}]?
"IPAddress"?
"SubnetMask"?
"DefaultGateway"?
"NameServer"?
[HKEY_LOCAL_MACHINESYSTEMControlSet001Services{97EFDAD8-EB2D-4F40-9B07-0FCD706FCB6D}ParametersTcpip]?
"IPAddress"?
"SubnetMask"?
"DefaultGateway"?
????其中{97EFDAD8-EB2D-4F40-9B07-0FCD706FCB6D}是网卡名称(AdapterName),?不同的网卡,?不同的接入位置,?不同的接入的时间,?对应的值都不一样,?它的值是第一次接入系统时,?由系统生成的GUID值.?
????此处CurrentControlSet实际是ControlSet001的别名.?????
[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParametersInterfaces{97EFDAD8-EB2D-4F40-9B07-0FCD706FCB6D}]?
"IPAddress"?
"SubnetMask"?
"DefaultGateway"?
"NameServer"?
????是主要的设置处.?
[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServices{97EFDAD8-EB2D-4F40-9B07-0FCD706FCB6D}ParametersTcpip]?
"IPAddress"?
"SubnetMask"?
"DefaultGateway"?
????对一些服务有影响,?如不设置,?用netstat可以看到原来的IP地址仍处于监听状态(?).?
????但为了使设置生效,?还有很重要的一步,?即重启网卡.?
????更改网卡的配置,?一般而言需要重启网卡,?如?
????Linux系统,?只需运行?
????????#ifconfig?eth0?down?
????????#ifconfig?eht0?up?
????就可以实现网卡的重启.?
????Windows环境下的步骤与之类似:?先禁用本地连接(网卡),?再启用本地连接(网卡).?但没有相应的命令或者直接的API.?所幸的是DDK提供一套设备安装函数,?用于控制系统设备,?包括控制设备的状态改变.?
/****************************************************************************************?
?Purpose:????change?state?of?the?selected?device?
?Input????:????hDevInfo????device?info?set?????
????????????pDeviceInfoData????????selected?device?info?
????????????NewState????one?of?enable/disable?
?Output????:????TRUE?for?success,?FALSE?for?failed?
?****************************************************************************************/?
BOOL?ChangeDeviceState(HDEVINFO?hDevInfo,?PSP_DEVINFO_DATA?pDeviceInfoData,?DWORD?NewState)?
{?
????SP_PROPCHANGE_PARAMS?PropChangeParams?=?{sizeof(SP_CLASSINSTALL_HEADER)};?
????SP_DEVINSTALL_PARAMS?devParams;?
????if?(!pDeviceInfoData)?{?
????????return?FALSE;?
????}?
????PropChangeParams.ClassInstallHeader.cbSize?=?sizeof(SP_CLASSINSTALL_HEADER);?
????PropChangeParams.ClassInstallHeader.InstallFunction?=?DIF_PROPERTYCHANGE;?
????PropChangeParams.Scope?=?DICS_FLAG_CONFIGSPECIFIC;?
????PropChangeParams.StateChange?=?NewState;??
????PropChangeParams.HwProfile?=?0;?
????if?(!SetupDiSetClassInstallParams(hDevInfo,pDeviceInfoData,?
??????(SP_CLASSINSTALL_HEADER?*)&PropChangeParams,sizeof(PropChangeParams))?
??????||?!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,hDevInfo,pDeviceInfoData))????{?
????????return?FALSE;?
????}?
????reutrn?TRUE;?
}?
/*?hDevInfo如何得到***********************************************************/?
????m_hDevInfo?=?SetupDiGetClassDevs(?
??????(LPGUID)?&GUID_DEVCLASS_NET,????/*?GUID_DEVCLASS_NET表示仅列出网络设备?*/?
??????NULL,??
??????this->m_hWnd,??
??????DIGCF_PRESENT);?
????if?(INVALID_HANDLE_VALUE?==?m_hDevInfo)?{?
????????return?FALSE;?
????}?
/*?pDeviceInfoData如何得到**************************************************/?
????k?=?0;?
????while?(SetupDiEnumDeviceInfo(m_hDevInfo,?k?,&DeviceInfoData))????{?
????????k++;?
????????if?(CR_SUCCESS?!=?CM_Get_DevNode_Status(&Status,?&Problem,??
??????????DeviceInfoData.DevInst,0))?{?
????????????continue;?
????????}?
????????if?((Status?&?DN_NO_SHOW_IN_DM))?{?
????????????continue;?
????????}?
????????if?(GetRegistryProperty(m_hDevInfo,?
??????????&DeviceInfoData,?
??????????SPDRP_FRIENDLYNAME,?
??????????&pBuffer,?
??????????&Length))?{?
????????????m_Adapter[adapter_num].index?=?k?-?1;????????/*?当前网卡在设备信息集中的索引?*/?
????????????_tcscpy(m_Adapter[adapter_num].desc,?pBuffer);????/*?当前网卡?*/?
????????????GetRegistryProperty(m_hDevInfo,?
??????????????&DeviceInfoData,?
??????????????SPDRP_DRIVER,?
??????????????&pBuffer,?
??????????????&Length);?
????????????_tcscpy(m_Adapter[adapter_num].driver,?pBuffer);?
????????????adapter_num++;?
????????}?
????}?
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