Windows下无线局域网设备SSID和BSSID获取方法（C语言）

原文地址::https://blog.csdn.net/qq_37711989/article/details/80878052

1、C++程序中使用Windows系统Native Wifi API的基本教程----https://www.jb51.net/article/81199.htm

2、wlanapi关于wlanconnect? ----https://bbs.csdn.net/topics/380213834

3、VC++玩转Native Wifi API----https://blog.csdn.net/lincyang/article/details/34430939/

4、native wifi api使用方法----https://blog.csdn.net/thanklife/article/details/83751653

5、Native wifi API使用----https://blog.csdn.net/guoxiang3538/article/details/79266610

Windows下无线局域网设备SSID和BSSID获取方法
SSID可以简单的理解为无线局域网络的名称
BSSID可以简单理解为无线局域网络放射设备的MAC地址

SSID获取方法
一、获取步骤
1、打开WLAN服务 WlanOpenHandle
2、获取无线网卡接口信息 WlanEnumInterfaces
3、搜索无线网卡接口上的可用无线网络 WlanGetAvailableNetworkList
4、提取SSID信息

实例代码如下：

#include <stdio.h>
#include <Windows.h>
#include <wlanapi.h>

int main(int ar,char*aru[])
{
int id=0;
char *lang = setlocale(LC_CTYPE,NULL);

HANDLE ClientHandle;
DWORD nv,i,c;
PWLAN_INTERFACE_INFO_LIST ilist;
PWLAN_AVAILABLE_NETWORK_LIST nlist;
static char ssid[36];

if(WlanOpenHandle(1,0,&nv,&ClientHandle)==0)
{
if(WlanEnumInterfaces(ClientHandle,0,&ilist)==0)
{
for (i = 0; i< ilist->dwNumberOfItems; i++)
{
wprintf(L"\n\n %s%s\n\n",L"网卡:",ilist->InterfaceInfo[i].strInterfaceDescription);
if(WlanGetAvailableNetworkList(ClientHandle,&ilist->InterfaceInfo[i].InterfaceGuid,0,0,&nlist)==0)
{
for(c=0;c<nlist->dwNumberOfItems;c++)
{
memcpy(ssid,nlist->Network[c].dot11Ssid.ucSSID,nlist->Network[c].dot11Ssid.uSSIDLength);
ssid[nlist->Network[c].dot11Ssid.uSSIDLength]=0;
printf(" %3d. SSID: %-25s 信号强度¨¨: %5d\n",id++,ssid,nlist->Network[c].wlanSignalQuality);
//可继续获取BSSID
}
WlanFreeMemory(nlist);
}
}
WlanFreeMemory(ilist);
}
system("pause>nul");
WlanCloseHandle(ClientHandle,0);
}
system("pause");
return true;
}

二、获BSSID方法
获取到SSID之后可以继续获取BSSID

PWLAN_BSS_LIST ppWlanBssList; //BSS网络列表
dwResult = WlanGetNetworkBssList(
ClientHandle,
&pIfList->InterfaceInfo[i].InterfaceGuid,
&pBssList->Network[j].dot11Ssid,pBssList->Network[j].dot11BssType,
pBssList->Network[j].bSecurityEnabled,
NULL,&ppWlanBssList);

if(ERROR_SUCCESS == dwResult )
{
for(k=0;k<ppWlanBssList->dwNumberOfItems;k++)
{
printf(" %3 MAC:");
printf("%02X:%02X:%02X:%02X:%02X:%02X",
ppWlanBssList->wlanBssEntries[k].dot11Bssid[0],
ppWlanBssList->wlanBssEntries[k].dot11Bssid[1],
ppWlanBssList->wlanBssEntries[k].dot11Bssid[2],
ppWlanBssList->wlanBssEntries[k].dot11Bssid[3],
ppWlanBssList->wlanBssEntries[k].dot11Bssid[4],
ppWlanBssList->wlanBssEntries[k].dot11Bssid[5]
);
printf("\n");
}
}

三、相关数据结构和API介绍

//详细参考https://blog.csdn.net/softwave/article/details/41389907
Data Struture
（1）网卡接口信息的阵列
typedef struct _WLAN_INTERFACE_INFO_LIST {
DWORDdwNumberOfItems;
DWORD dwIndex;
WLAN_INTERFACE_INFOInterfaceInfo[];
} WLAN_INTERFACE_INFO_LIST,
*PWLAN_INTERFACE_INFO_LIST;

（2）可用网络（network）的信息的列表
typedef struct_WLAN_AVAILABLE_NETWORK_LIST {
　　　DWORD dwNumberOfItems;
　　　DWORD dwIndex;
　　　 WLAN_AVAILABLE_NETWORK Network[1];
} 　WLAN_AVAILABLE_NETWORK_LIST,
*PWLAN_AVAILABLE_NETWORK_LIST;

//详细参考https://blog.csdn.net/softwave/article/details/41389907，还可参考WINDOWSAPI开发手册
API
（1）打开一个与服务器的连接
DWORD WINAPI WlanOpenHandle( __in DWORD dwClientVersion, PVOID pReserved, __out PDWORD pdwNegotiatedVersion, __out PHANDLE phClientHandle );

（2）枚举处当前系统安装的所有无线网卡的接口信息
DWORD WINAPI WlanEnumInterfaces( __in HANDLE hClientHandle, __in PVOID pReserved, __out PWLAN_INTERFACE_INFO_LIST* ppInterfaceList );

（3）检索接口上可用的网络
DWORD WINAPI WlanGetAvailableNetworkList(
__in HANDLE hClientHandle,
__in const GUID* pInterfaceGuid,
__in DWORD dwFlags,
PVOID pReserved,
__out PWLAN_AVAILABLE_NETWORK_LIST* ppAvailableNetworkList
);

（4）关闭一个与服务器间的连接
DWORD WINAPI WlanCloseHandle(__in HANDLE hClientHandle, PVOID pReserved )

（5）释放内存。任何由WLAN API 返回的内存都需要进行释放
VOID WINAPI WlanFreeMemory( __in PVOID pMemory);

Windows下无线局域网设备SSID和BSSID获取方法（C语言）

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