文章目录

什么是WLAN呢？
命令行操作WLAN
- WLAN列表
- 连接WLAN
- 断开WLAN
使用 Win api
- 获取所有WLAN列表
- 连接WLAN
- - 设置密码
- 断开连接
Java代码操作

Hello, I’m Shendi.

在编写的时候文章莫名其妙乱了，以至于修改了一遍，可能有些地方代码中使用的字符是中文字符，稍作修改即可

什么是WLAN呢？

 WLAN是无线局域网的简称。指应用无线通信技术将计算机设备互联起来，构成可以互相通信和实现资源共享的网络体系

命令行操作WLAN

WLAN列表

netsh wlan show networks

连接WLAN

在连接WLAN时需要使用到配置文件
首先通过命令查询已有配置文件列表

netsh wlan show profile

先导出一个已有的配置文件看一下内容
使用命令

netsh wlan export profile key=clear
key=clear为明文方式显示密码
导出单个配置文件为
netsh wlan export profile 配置文件 key=clear

默认保存在当前cmd目录下

内容如下

<?xml version="1.0"?>
<WLANProfile xmlns="http://www.microsoft.com/networking/WLAN/profile/v1"><name>配置文件名</name><SSIDConfig><SSID><hex>(此项可无)</hex><name>WLAN名称</name></SSID><nonBroadcast>false</nonBroadcast></SSIDConfig><connectionType>ESS</connectionType><connectionMode>manual</connectionMode><autoSwitch>false</autoSwitch><MSM><security><authEncryption><authentication>WPA2PSK</authentication><encryption>AES</encryption><useOneX>false</useOneX></authEncryption><sharedKey><keyType>passPhrase</keyType><protected>false</protected><keyMaterial>WLAN密码</keyMaterial></sharedKey></security></MSM>
</WLANProfile>

可以通过修改配置文件来指定连接的WLAN和对应密码
更改此配置文件，保存，使用以下命令将配置导入

netsh wlan add profile filename="配置文件名.xml"

最后，使用connect命令进行连接操作

netsh wlan connect name="Shendi"
这里的name为配置文件名

执行后可以看到已经连上指定WLAN了

断开WLAN

使用命令

netsh wlan disconnect

在知道流程后，也可以通过使用代码的方式模拟执行以上操作，比较繁琐，这里就不举例了

使用 Win api

可以直接使用代码的方式来操作当然是首选了，我使用的Windows操作系统，于是使用Native Wifi
可以直接看API文档

获取所有WLAN列表

使用到 wlanapi.h 中的 WlanGetAvailableNetworkList
可以参考文档，文档最下方有一个举例，这里直接copy过来(C++)

#ifndef UNICODE
#define UNICODE
#endif#include <windows.h>
#include <wlanapi.h>
#include <objbase.h>
#include <wtypes.h>#include <stdio.h>
#include <stdlib.h>// Need to link with Wlanapi.lib and Ole32.lib
#pragma comment(lib, "wlanapi.lib")
#pragma comment(lib, "ole32.lib")int wmain()
{// Declare and initialize variables.HANDLE hClient = NULL;DWORD dwMaxClient = 2;      //    DWORD dwCurVersion = 0;DWORD dwResult = 0;DWORD dwRetVal = 0;int iRet = 0;WCHAR GuidString[39] = {0};unsigned int i, j, k;/* variables used for WlanEnumInterfaces  */PWLAN_INTERFACE_INFO_LIST pIfList = NULL;PWLAN_INTERFACE_INFO pIfInfo = NULL;PWLAN_AVAILABLE_NETWORK_LIST pBssList = NULL;PWLAN_AVAILABLE_NETWORK pBssEntry = NULL;int iRSSI = 0;dwResult = WlanOpenHandle(dwMaxClient, NULL, &dwCurVersion, &hClient);if (dwResult != ERROR_SUCCESS) {wprintf(L"WlanOpenHandle failed with error: %u\n", dwResult);return 1;// You can use FormatMessage here to find out why the function failed}dwResult = WlanEnumInterfaces(hClient, NULL, &pIfList);if (dwResult != ERROR_SUCCESS) {wprintf(L"WlanEnumInterfaces failed with error: %u\n", dwResult);return 1;// You can use FormatMessage here to find out why the function failed} else {wprintf(L"Num Entries: %lu\n", pIfList->dwNumberOfItems);wprintf(L"Current Index: %lu\n", pIfList->dwIndex);for (i = 0; i < (int) pIfList->dwNumberOfItems; i++) {pIfInfo = (WLAN_INTERFACE_INFO *) &pIfList->InterfaceInfo[i];wprintf(L"  Interface Index[%u]:\t %lu\n", i, i);iRet = StringFromGUID2(pIfInfo->InterfaceGuid, (LPOLESTR) &GuidString, sizeof(GuidString)/sizeof(*GuidString)); // For c rather than C++ source code, the above line needs to be// iRet = StringFromGUID2(&pIfInfo->InterfaceGuid, (LPOLESTR) &GuidString, //     sizeof(GuidString)/sizeof(*GuidString)); if (iRet == 0)wprintf(L"StringFromGUID2 failed\n");else {wprintf(L"  InterfaceGUID[%d]: %ws\n",i, GuidString);}    wprintf(L"  Interface Description[%d]: %ws", i, pIfInfo->strInterfaceDescription);wprintf(L"\n");wprintf(L"  Interface State[%d]:\t ", i);switch (pIfInfo->isState) {case wlan_interface_state_not_ready:wprintf(L"Not ready\n");break;case wlan_interface_state_connected:wprintf(L"Connected\n");break;case wlan_interface_state_ad_hoc_network_formed:wprintf(L"First node in a ad hoc network\n");break;case wlan_interface_state_disconnecting:wprintf(L"Disconnecting\n");break;case wlan_interface_state_disconnected:wprintf(L"Not connected\n");break;case wlan_interface_state_associating:wprintf(L"Attempting to associate with a network\n");break;case wlan_interface_state_discovering:wprintf(L"Auto configuration is discovering settings for the network\n");break;case wlan_interface_state_authenticating:wprintf(L"In process of authenticating\n");break;default:wprintf(L"Unknown state %ld\n", pIfInfo->isState);break;}wprintf(L"\n");dwResult = WlanGetAvailableNetworkList(hClient,&pIfInfo->InterfaceGuid,0, NULL, &pBssList);if (dwResult != ERROR_SUCCESS) {wprintf(L"WlanGetAvailableNetworkList failed with error: %u\n",dwResult);dwRetVal = 1;// You can use FormatMessage to find out why the function failed} else {wprintf(L"WLAN_AVAILABLE_NETWORK_LIST for this interface\n");wprintf(L"  Num Entries: %lu\n\n", pBssList->dwNumberOfItems);for (j = 0; j < pBssList->dwNumberOfItems; j++) {pBssEntry =(WLAN_AVAILABLE_NETWORK *) & pBssList->Network[j];wprintf(L"  Profile Name[%u]:  %ws\n", j, pBssEntry->strProfileName);wprintf(L"  SSID[%u]:\t\t ", j);if (pBssEntry->dot11Ssid.uSSIDLength == 0)wprintf(L"\n");else {   for (k = 0; k < pBssEntry->dot11Ssid.uSSIDLength; k++) {wprintf(L"%c", (int) pBssEntry->dot11Ssid.ucSSID[k]);}wprintf(L"\n");}wprintf(L"  BSS Network type[%u]:\t ", j);switch (pBssEntry->dot11BssType) {case dot11_BSS_type_infrastructure   :wprintf(L"Infrastructure (%u)\n", pBssEntry->dot11BssType);break;case dot11_BSS_type_independent:wprintf(L"Infrastructure (%u)\n", pBssEntry->dot11BssType);break;default:wprintf(L"Other (%lu)\n", pBssEntry->dot11BssType);break;}wprintf(L"  Number of BSSIDs[%u]:\t %u\n", j, pBssEntry->uNumberOfBssids);wprintf(L"  Connectable[%u]:\t ", j);if (pBssEntry->bNetworkConnectable)wprintf(L"Yes\n");else {wprintf(L"No\n");wprintf(L"  Not connectable WLAN_REASON_CODE value[%u]:\t %u\n", j, pBssEntry->wlanNotConnectableReason);}        wprintf(L"  Number of PHY types supported[%u]:\t %u\n", j, pBssEntry->uNumberOfPhyTypes);if (pBssEntry->wlanSignalQuality == 0)iRSSI = -100;else if (pBssEntry->wlanSignalQuality == 100)   iRSSI = -50;elseiRSSI = -100 + (pBssEntry->wlanSignalQuality/2);    wprintf(L"  Signal Quality[%u]:\t %u (RSSI: %i dBm)\n", j, pBssEntry->wlanSignalQuality, iRSSI);wprintf(L"  Security Enabled[%u]:\t ", j);if (pBssEntry->bSecurityEnabled)wprintf(L"Yes\n");elsewprintf(L"No\n");wprintf(L"  Default AuthAlgorithm[%u]: ", j);switch (pBssEntry->dot11DefaultAuthAlgorithm) {case DOT11_AUTH_ALGO_80211_OPEN:wprintf(L"802.11 Open (%u)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;case DOT11_AUTH_ALGO_80211_SHARED_KEY:wprintf(L"802.11 Shared (%u)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;case DOT11_AUTH_ALGO_WPA:wprintf(L"WPA (%u)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;case DOT11_AUTH_ALGO_WPA_PSK:wprintf(L"WPA-PSK (%u)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;case DOT11_AUTH_ALGO_WPA_NONE:wprintf(L"WPA-None (%u)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;case DOT11_AUTH_ALGO_RSNA:wprintf(L"RSNA (%u)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;case DOT11_AUTH_ALGO_RSNA_PSK:wprintf(L"RSNA with PSK(%u)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;default:wprintf(L"Other (%lu)\n", pBssEntry->dot11DefaultAuthAlgorithm);break;}wprintf(L"  Default CipherAlgorithm[%u]: ", j);switch (pBssEntry->dot11DefaultCipherAlgorithm) {case DOT11_CIPHER_ALGO_NONE:wprintf(L"None (0x%x)\n", pBssEntry->dot11DefaultCipherAlgorithm);break;case DOT11_CIPHER_ALGO_WEP40:wprintf(L"WEP-40 (0x%x)\n", pBssEntry->dot11DefaultCipherAlgorithm);break;case DOT11_CIPHER_ALGO_TKIP:wprintf(L"TKIP (0x%x)\n", pBssEntry->dot11DefaultCipherAlgorithm);break;case DOT11_CIPHER_ALGO_CCMP:wprintf(L"CCMP (0x%x)\n", pBssEntry->dot11DefaultCipherAlgorithm);break;case DOT11_CIPHER_ALGO_WEP104:wprintf(L"WEP-104 (0x%x)\n", pBssEntry->dot11DefaultCipherAlgorithm);break;case DOT11_CIPHER_ALGO_WEP:wprintf(L"WEP (0x%x)\n", pBssEntry->dot11DefaultCipherAlgorithm);break;default:wprintf(L"Other (0x%x)\n", pBssEntry->dot11DefaultCipherAlgorithm);break;}wprintf(L"  Flags[%u]:\t 0x%x", j, pBssEntry->dwFlags);if (pBssEntry->dwFlags) {if (pBssEntry->dwFlags & WLAN_AVAILABLE_NETWORK_CONNECTED)wprintf(L" - Currently connected");if (pBssEntry->dwFlags & WLAN_AVAILABLE_NETWORK_HAS_PROFILE)wprintf(L" - Has profile");}   wprintf(L"\n");wprintf(L"\n");}}}}if (pBssList != NULL) {WlanFreeMemory(pBssList);pBssList = NULL;}if (pIfList != NULL) {WlanFreeMemory(pIfList);pIfList = NULL;}return dwRetVal;
}

运行后会看到控制台打印了现在范围内的一些WLAN列表的一些信息了

虽然上面代码很多，但是只用到了四个函数，解释一下上面的代码
引入文件

#include <windows.h>
#include <wlanapi.h>
#include <objbase.h>
#include <wtypes.h>#include <stdio.h>
#include <stdlib.h>// Need to link with Wlanapi.lib and Ole32.lib
#pragma comment(lib, "wlanapi.lib")
#pragma comment(lib, "ole32.lib")

首先使用到WlanOpenHnadle打开一个句柄
文档

然后使用WlanEnumInterfaces获取无线网卡列表
文档，最下方有例子

获取到的为结构体PWLAN_INTERFACE_INFO_LIST
文档
其中使用 InterfaceInfo 的形式来取出 PWLAN_INTERFACE_INFO

最后使用 WlanGetAvailableNetworkList 函数获取无线LAN接口上有效网络信息
文档
WLAN_AVAILABLE_NETWORK_LIST文档
WLAN_AVAILABLE_NETWORK文档
最后使用WlanFreeMemory释放List

代码如下

#include <windows.h>
#include <wlanapi.h>
#include <objbase.h>
#include <wtypes.h>#include <stdio.h>
#include <stdlib.h>// Need to link with Wlanapi.lib and Ole32.lib
#pragma comment(lib, "wlanapi.lib")
#pragma comment(lib, "ole32.lib")int main() {/*WlanOpenHandle 函数该WlanOpenHandle功能打开到服务器的连接。四个参数 分别为_In_ DWORD dwClientVersion,客户端支持的最高版本WLAN API,1(Win xp或者Win xp sp2)/2(一般用这个Win vista或Win server 2008)_Reserved_ PVOID pReserved,保留参数,填NULL就行_Out_ PDWORD pdwNegotiatedVersion,在此会话中使用的WLAN API版本,通常是客户端和服务器都支持的最高版本,官方demo填的是0,此参数为指针_Out_ PHANDLE phClientHandle客户端在此会话中使用的句柄,整个会话中,其他功能都使用此句柄,此参数为指针返回码ERROR_SUCCESS 函数执行成功ERROR_INVALID_PARAMETER pdwNegotiatedVersion是NULL，phClientHandle为NULL，或保留不空。ERROR_NOT_ENOUGH_MEMORY 无法分配内存来创建客户端上下文。RPC_STATUS 各种错误代码。ERROR_REMOTE_SESSION_LIMIT_EXCEEDED 服务器已发出过多的句柄。*/// 这里两个参数是必须的,传递方式也是如此,否则会出ERROR_INVALID_PARAMETER,可能与函数重载有关// 打开的句柄HANDLE ch = NULL;DWORD useVersion = 0;DWORD dwResult = WlanOpenHandle(2, NULL, &useVersion, &ch);if (dwResult != ERROR_SUCCESS) {const char* error = NULL;switch (dwResult) {case ERROR_INVALID_PARAMETER:error = "ERROR_INVALID_PARAMETER";break;case ERROR_NOT_ENOUGH_MEMORY:error = "ERROR_NOT_ENOUGH_MEMORY";break;case ERROR_REMOTE_SESSION_LIMIT_EXCEEDED:error = "ERROR_REMOTE_SESSION_LIMIT_EXCEEDED";break;}printf("WlanOpenHandle函数执行失败,错误码为: %s", error);return 0;}/*WlanEnumInterfaces函数枚举所有的本地计算机上当前启用的无限LAN接口三个参数 分别为HANDLE                    hClientHandle,客户端会话句柄,由先前对WlanOpenHandle函数调用获得PVOID                     pReserved,保留参数,必须填NULLPWLAN_INTERFACE_INFO_LIST *ppInterfaceList该指针用以WLAN_INTERFACE_INFO_LIST结构接收返回的无限LAN的列表如果调用成功则由WLANEnumInterface函数分配返回的WLAN_INTERFACE_INFO_LIST缓冲区返回码ERROR_SUCCESS 函数执行成功ERROR_INVALID_PARAMETER如果hClientHandle或ppInterfaceList参数为NULL,如果pReserved不为NULL如果hClientHandle参数无效ERROR_INVALID_HANDLE 在句柄表中找不到 句柄hClientHandle。ERROR_NOT_ENOUGH_MEMORY 没有足够的内存来处理此请求并为查询结果分配内存*//*list中有三个参数dwIndex 索引dwNumberOfItems 集合内元素数interfaceInfo 具体元素数组*/PWLAN_INTERFACE_INFO_LIST list = NULL;dwResult = WlanEnumInterfaces(ch, NULL, &list);if (dwResult != ERROR_SUCCESS) {const char* error = NULL;switch (dwResult) {case ERROR_INVALID_PARAMETER:error = "ERROR_INVALID_PARAMETER";break;case ERROR_INVALID_HANDLE:error = "ERROR_INVALID_HANDLE";break;case ERROR_NOT_ENOUGH_MEMORY:error = "ERROR_NOT_ENOUGH_MEMORY";break;}printf("WlanEnumInterfaces函数执行失败,错误码为: %s", error);return 0;}// WLANGetAvailabelNetworkList函数调用时候的列表,与上一个List相同,但第三个参数变成了NetworkPWLAN_AVAILABLE_NETWORK_LIST lanList = NULL;// 遍历网卡接口集合,我电脑只有一个无线网卡int len = list->dwNumberOfItems;//=1PWLAN_INTERFACE_INFO lanInfo = NULL;for (int i = 0; i < len; i++) {// 取出lanInfo = &list->InterfaceInfo[i];// 网卡状态获取const char* lanState = NULL;switch (lanInfo->isState) {case wlan_interface_state_not_ready:lanState = "Not ready";break;case wlan_interface_state_connected:lanState = "Connected";break;case wlan_interface_state_ad_hoc_network_formed:lanState = "First node in a ad hoc network";break;case wlan_interface_state_disconnecting:lanState = "Disconnecting";break;case wlan_interface_state_disconnected:lanState = "Not connected";break;case wlan_interface_state_associating:lanState = "Attempting to associate with a network";break;case wlan_interface_state_discovering:lanState = "Auto configuration is discovering settings for the network";break;case wlan_interface_state_authenticating:lanState = "In process of authenticating";break;default:lanState = "Unknown state " + lanInfo->isState;break;}// GUIDWCHAR lanGUID[39];StringFromGUID2(lanInfo->InterfaceGuid, (LPOLESTR)&lanGUID, sizeof(lanGUID) / sizeof(*lanGUID));printf("网卡 %ws 信息\n状态: %s\nGUID: %ws\n------------------", lanInfo->strInterfaceDescription, lanState, lanGUID);/*WLANGetAvailabelNetworkList函数 获取无线LAN接口上的可用网络列表HANDLE                       hClientHandle,会话句柄,由先前WlanOpenHandle函数调用获得const GUID                   *pInterfaceGuid,指向要查询的无线LAN接口的GUID的指针,可以通过WLANEnumInterfaces函数确定无线LAN接口的GUIDDWORD                        dwFlags,一组标志,用于控制列表中返回的网络类型,此参数可以是这些可能值的组合WLAN_AVAILABLE_NETWORK_INCLUDE_ALL_ADHOC_PROFILES 0x0在可用网络列表中包括所有临时网络配置文件,包括不可见的配置文件WLAN_AVAILABLE_NETWORK_INCLUDE_ALL_MANUAL_HIDDEN_PROFILES 0x2在可用网络列表中包括所有隐藏的网络配置文件,包括不可见的配置文件注:如果在带有SP3的Windows XP和带有SP2的Windows XP的无线局域网API中指定了此标志,则将其视为无效参数PVOID                        pReserved,保留参数,必须为NULLPWLAN_AVAILABLE_NETWORK_LIST *ppAvailableNetworkList指向存储的指针,用于接收WLAN_AVAILABEL_NETWORK_LIST结构中返回的可见网络列表返回码ERROR_SUCCESS 函数执行成功ERROR_INVALID_PARAMETER如果hClientHandle,pInterfaceGuid或ppAvailableNetworkList参数为NULL如果pReserved不为NULL如果dwFlags参数值设置为无效值或hClientHandle参数无效ERROR_INVALID_HANDLE 在句柄表中找不到 句柄hClientHandle。ERROR_NDIS_DOT11_POWER_STATE_INVALID与接口关联的无线电已关闭,无线电关闭时,没有可用的网络RPC_STATUS 各种错误代码ERROR_NOT_ENOUGH_MEMORY 没有足够的内存来处理此请求并为查询结果分配内存*/dwResult = WlanGetAvailableNetworkList(ch, &lanInfo->InterfaceGuid, 0, NULL, &lanList);if (dwResult != ERROR_SUCCESS) {const char* error = NULL;switch (dwResult) {case ERROR_INVALID_PARAMETER:error = "ERROR_INVALID_PARAMETER";break;case ERROR_INVALID_HANDLE:error = "ERROR_INVALID_HANDLE";break;case ERROR_NDIS_DOT11_POWER_STATE_INVALID:error = "ERROR_NDIS_DOT11_POWER_STATE_INVALID";break;case ERROR_NOT_ENOUGH_MEMORY:error = "ERROR_NOT_ENOUGH_MEMORY";break;}printf("WlanGetAvailableNetworkList函数执行失败,错误码为: %s", error);continue;}// 遍历无线网集合int len = lanList->dwNumberOfItems;PWLAN_AVAILABLE_NETWORK network = NULL;for (int j = 0; j < len; j++) {// 获取具体元素network = &lanList->Network[j];// WLAN名称int size = network->dot11Ssid.uSSIDLength;if (size == 0) {continue;}char* name = (char*) malloc((size + 1) * sizeof(char));// C语言字符串以\0结尾,在这个地方踩坑了...name[size] = '\0';for (int k = 0; k < size; k++) {name[k] = network->dot11Ssid.ucSSID[k];}printf("---------------\n");printf("[%d]\n关联的配置文件名称(无则空): %ws\nWLAN名称 : %s\n", j, network->strProfileName, name);free(name);name = NULL;}}// 释放指针指向的内存,并释放指针if (lanList != NULL) {WlanFreeMemory(lanList);lanList = NULL;}if (list != NULL) {WlanFreeMemory(list);list = NULL;}return 0;
}

连接WLAN

使用WlanConnect函数文档

直接上代码

#include <windows.h>
#include <wlanapi.h>
#include <objbase.h>
#include <wtypes.h>#include <stdio.h>
#include <stdlib.h>// Need to link with Wlanapi.lib and Ole32.lib
#pragma comment(lib, "wlanapi.lib")
#pragma comment(lib, "ole32.lib")int main() {// 打开连接HANDLE handle = NULL;DWORD useVersion = 0;DWORD result = WlanOpenHandle(2, NULL, &useVersion, &handle);if (result != ERROR_SUCCESS) {printf("WlanOpenHandle失败: %d", result);return 0;}// 获取无线LAN接口,我这电脑只有一个无线LAN接口PWLAN_INTERFACE_INFO_LIST list = NULL;result = WlanEnumInterfaces(handle, NULL, &list);if (result != ERROR_SUCCESS) {printf("WlanEnumInterfaces失败: %d", result);return 0;}PWLAN_INTERFACE_INFO info = &list->InterfaceInfo[0];/*WlanConnect函数 尝试连接到特定网络参数HANDLE                            hClientHandle,客户端句柄,由WlanOpenHandle获取const GUID                        *pInterfaceGuid,接口GUID(之前WlanEnumInterfaces获取...)const PWLAN_CONNECTION_PARAMETERS pConnectionParameters,指向WLAN_CONNECTION_PARAMETERS结构的指针该结构指定连接类型,模式,网络配置文件,标识网络的SSID以及其他参数PVOID                             pReserved保留参数,NULL返回值ERROR_SUCCESS 函数执行成功ERROR_INVALID_PARAMETER 太多情况可触发,看文档ERROR_INVALID_HANDLE 在句柄表中找不到 句柄hClientHandleRPC_STATUS 各种错误代码。ERROR_ACCESS_DENIED 呼叫者没有足够的权限*/WLAN_CONNECTION_PARAMETERS connParam;// 连接模式connParam.wlanConnectionMode = wlan_connection_mode_profile;// 指定用于连接的配置文件connParam.strProfile = L"401";// 指示网络的BSS类型.如果提供了配置文件,则此BSS类型必须与配置文件中的类型相同connParam.dot11BssType = dot11_BSS_type_infrastructure;connParam.pDot11Ssid = NULL;connParam.pDesiredBssidList = NULL;// 用于指定连接参数的标志connParam.dwFlags = WLAN_CONNECTION_HIDDEN_NETWORK;result = WlanConnect(handle, &info->InterfaceGuid, &connParam, NULL);if (result != ERROR_SUCCESS) {printf("连接失败: %d", result);} else {printf("连接成功");}if (list != NULL) { WlanFreeMemory(list); }return 0;
}

需要注意的是传递的连接参数 WLAN_CONNECTION_PARAMETERS
上面所设置值少一项就出错，且我连接的是已有配置文件的WLAN

设置密码

对于设置密码，主要是操作配置文件

获取配置文件比较简单，这里直接放上文档，不做解释
WlanGetProfile文档
WlanGetProfileList文档

设置配置文件使用WlanSetProfile
WlanSetProfile文档
对于配置文件内容，参考
WLANProfile元素文档

直接上代码

#include <windows.h>
#include <wlanapi.h>
#include <objbase.h>
#include <wtypes.h>#include <stdio.h>
#include <stdlib.h>// Need to link with Wlanapi.lib and Ole32.lib
#pragma comment(lib, "wlanapi.lib")
#pragma comment(lib, "ole32.lib")// 设置并连接WLAN
int main() {// 打开连接DWORD useVersion = 0;HANDLE handle = NULL;PWLAN_INTERFACE_INFO_LIST list = NULL;PWLAN_INTERFACE_INFO info;// 配置文件内容LPCWSTR xmlContent = L"<?xml version=\"1.0\"?><WLANProfile xmlns = \"http://www.microsoft.com/networking/WLAN/profile/v1\">"\"<name>Shendi</name>""<SSIDConfig>""<SSID>""<name>Shendi</name>""</SSID>""<nonBroadcast>false</nonBroadcast>""</SSIDConfig>""<connectionType>ESS</connectionType>""<connectionMode>manual</connectionMode>""<autoSwitch>false</autoSwitch>""<MSM>""<security>""<authEncryption>""<authentication>WPA2PSK</authentication>""<encryption>AES</encryption>""<useOneX>false</useOneX>""</authEncryption>""<sharedKey>""<keyType>passPhrase</keyType>""<protected>false</protected>""<keyMaterial>12345678</keyMaterial>""</sharedKey>""</security>""</MSM>""</WLANProfile>";DWORD result = WlanOpenHandle(2, NULL, &useVersion, &handle);if (result != ERROR_SUCCESS) {printf("WlanOpenHandle执行失败: %d", result);goto exit;}// 获取无线LAN接口,我这电脑只有一个无线LAN接口result = WlanEnumInterfaces(handle, NULL, &list);if (result != ERROR_SUCCESS) {printf("WlanEnumInterfaces失败: %d", result);goto exit;}info = &list->InterfaceInfo[0];/*WlanSetProfile 设置特定的配置文件的内容参数HANDLE     hClientHandle,              句柄const GUID *pInterfaceGuid,               接口GUIDDWORD      dwFlags, 标志0 所有用户的配置文件WLAN_PROFILE_GROUP_POLICY(0x1) 组策略配置WLAN_PROFILE_USER(0x2) 每个用户的配置文件LPCWSTR    strProfileXml,                包含配置文件的XML表示形式LPCWSTR    strAllUserProfileSecurity, 在所有用户配置文件上设置安全描述符字符串,如果dwFlags设置为WLAN_PROFILE_USER,则忽略此参数BOOL       bOverwrite,                 指定此配置文件是否覆盖现有的配置文件PVOID      pReserved,                 NULLDWORD      *pdwReasonCode               一个WLAN_REASON_CODE值,指示配置文件为什么是无效的返回值ERROR_SUCCESS 函数执行成功ERROR_ACCESS_DENIED 没有权限ERROR_ALREADY_EXISTS 配置已经存在,当bOverwrite为FALSE时使用此返回值ERROR_BAD_PROFILE 指定配置无效ERROR_INVALID_PARAMETER 参数有问题ERROR_NO_MATCH 不支持配置文件中的一项或多项RPC_STATUS 各种错误代码。*/DWORD reasonCode;result = WlanSetProfile(handle, &info->InterfaceGuid, 0, xmlContent, NULL, true, NULL, &reasonCode);if (result != ERROR_SUCCESS) {printf("WlanSetProfile失败: %d", result);goto exit;}// 连接网络WLAN_CONNECTION_PARAMETERS connParam;// 连接模式connParam.wlanConnectionMode = wlan_connection_mode_profile;// 指定用于连接的配置文件connParam.strProfile = L"Shendi";// 指示网络的BSS类型.如果提供了配置文件,则此BSS类型必须与配置文件中的类型相同connParam.dot11BssType = dot11_BSS_type_infrastructure;connParam.pDot11Ssid = NULL;connParam.pDesiredBssidList = NULL;// 用于指定连接参数的标志connParam.dwFlags = WLAN_CONNECTION_HIDDEN_NETWORK;result = WlanConnect(handle, &info->InterfaceGuid, &connParam, NULL);if (result != ERROR_SUCCESS) {printf("连接失败: %d", result);} else {// 这里的连接成功为函数执行成功,如果没有对应WLAN则无法连接,需要使用其他函数进行检测printf("连接成功");}
exit:// 关闭句柄,释放资源if (list != NULL) WlanFreeMemory(list);if (handle != NULL) WlanCloseHandle(handle, NULL);return 0;
}

上面的我用自己手机开了个热点进行连接，没有任何问题

断开连接

使用WlanDisconnect函数
代码如下

#include <windows.h>
#include <wlanapi.h>
#include <objbase.h>
#include <wtypes.h>#include <stdio.h>
#include <stdlib.h>// Need to link with Wlanapi.lib and Ole32.lib
#pragma comment(lib, "wlanapi.lib")
#pragma comment(lib, "ole32.lib")// 关闭WLAN连接
int main() {// 打开连接DWORD useVersion = 0;HANDLE handle = NULL;PWLAN_INTERFACE_INFO_LIST list = NULL;PWLAN_INTERFACE_INFO info;DWORD result = WlanOpenHandle(2, NULL, &useVersion, &handle);if (result != ERROR_SUCCESS) {printf("WlanOpenHandle执行失败: %d", result);goto exit;}// 获取无线LAN接口,我这电脑只有一个无线LAN接口result = WlanEnumInterfaces(handle, NULL, &list);if (result != ERROR_SUCCESS) {printf("WlanEnumInterfaces失败: %d", result);goto exit;}info = &list->InterfaceInfo[0];/*WlanDisconnect 断开从其当前网络的接口参数HANDLE     hClientHandle,  句柄const GUID *pInterfaceGuid, 接口PVOID      pReserved        NULL返回值ERROR_INVALID_PARAMETER hClientHandle为NULL或无效,pInterfaceGuid为NULL,或pReserved不为NULL。ERROR_INVALID_HANDLE 在句柄表中找不到 句柄hClientHandleRPC_STATUS 各种错误代码ERROR_NOT_ENOUGH_MEMORY 无法为查询结果分配内存ERROR_ACCESS_DENIED 呼叫者没有足够的权限*/result = WlanDisconnect(handle, &info->InterfaceGuid, NULL);if (result != ERROR_SUCCESS) {printf("断开失败: %d", result);} else {printf("断开成功");}
exit:// 关闭句柄,释放资源if (list != NULL) WlanFreeMemory(list);if (handle != NULL) WlanCloseHandle(handle, NULL);return 0;
}

Java代码操作

因为我主要是做Java的，所以使用Java更顺手，所以我将上面的操作封装成dll供JNI调用
提供了五个函数
有了以上的基础，就可以暴力套WLAN密码了

最后，我将写好的JNI以及案例代码放到了github
案例源码地址
https://github.com/1711680493/Application/tree/master/TestWlan

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使用代码操作WLAN

文章目录

什么是WLAN呢？

命令行操作WLAN

WLAN列表

连接WLAN

断开WLAN

使用 Win api

获取所有WLAN列表

连接WLAN

设置密码

断开连接

Java代码操作

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