Windows Embedded Compact 7获取WIFI热点
来源：互联网 发布：ubuntu的dash 编辑：程序博客网 时间：2024/05/03 09:22
程序运行的环境为Windows embedded compact 7，VS2008
之前一直想采用WZC一类的函数来获得WINCE 7.0中的WIFI相关信息及热点，但一直都无果，后来在查看MSDN才知道Wlan一类的函数在WINCE7.0上可用来实现这些功能。目前暂时用来获取WIFI的相关信息及热点。
具体操作如下：
WlanOpenHandle:打开服务的连接；
WlanEnumInterfaces:枚举当前所有的有效无线网卡；
WlanGetAvailableNetworkList:获取当前可用的网络接口；
WlanFreeMemory:释放进行WlanEnumInterface和WlanGetAvailableNetworkList时分配的空间。
具体代码如下：
- int CwlanwifiDlg::GetWifiAccessPoint()
- {
- // 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) {
- RETAILMSG(OUTPUT_LOGMSG,(L"WlanOpenHandle failed with error: %u\r\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)
- {
- RETAILMSG(OUTPUT_LOGMSG,(L"WlanEnumInterfaces failed with error: %u\r\n", dwResult));
- return 1;
- // You can use FormatMessage here to find out why the function failed
- }
- else
- {
- RETAILMSG(OUTPUT_LOGMSG,(L"Num Entries: %d\r\n", pIfList->dwNumberOfItems));
- RETAILMSG(OUTPUT_LOGMSG,(L"Current Index: %d\r\n", pIfList->dwIndex));
- for (i = 0; i < (int)pIfList->dwNumberOfItems; i++)
- {
- pIfInfo = (WLAN_INTERFACE_INFO *) &pIfList->InterfaceInfo[i];
- RETAILMSG(OUTPUT_LOGMSG,(L" Interface Index[%u]:\t %lu\r\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)
- RETAILMSG(OUTPUT_LOGMSG,(L"StringFromGUID2 failed\r\n"));
- else
- RETAILMSG(OUTPUT_LOGMSG,(L" InterfaceGUID[%d]: %ws\r\n",i, GuidString));
- RETAILMSG(OUTPUT_LOGMSG,(L" Interface Description[%d]: %s\r\n", i,
- &pIfInfo->strInterfaceDescription));
- RETAILMSG(OUTPUT_LOGMSG,(L" Interface State[%d]:\t ", i));
- switch (pIfInfo->isState) {
- case wlan_interface_state_not_ready:
- RETAILMSG(OUTPUT_LOGMSG,(L"Not ready\r\n"));
- break;
- case wlan_interface_state_connected:
- RETAILMSG(OUTPUT_LOGMSG,(L"Connected\r\n"));
- break;
- case wlan_interface_state_ad_hoc_network_formed:
- RETAILMSG(OUTPUT_LOGMSG,(L"First node in a ad hoc network\r\n"));
- break;
- case wlan_interface_state_disconnecting:
- RETAILMSG(OUTPUT_LOGMSG,(L"Disconnecting\r\n"));
- break;
- case wlan_interface_state_disconnected:
- RETAILMSG(OUTPUT_LOGMSG,(L"Not connected\r\n"));
- break;
- case wlan_interface_state_associating:
- RETAILMSG(OUTPUT_LOGMSG,(L"Attempting to associate with a network\r\n"));
- break;
- case wlan_interface_state_discovering:
- RETAILMSG(OUTPUT_LOGMSG,(L"Auto configuration is discovering settings for the network\r\n"));
- break;
- case wlan_interface_state_authenticating:
- RETAILMSG(OUTPUT_LOGMSG,(L"In process of authenticating\r\n"));
- break;
- default:
- RETAILMSG(OUTPUT_LOGMSG,(L"Unknown state %ld\r\n", pIfInfo->isState));
- break;
- }
- RETAILMSG(OUTPUT_LOGMSG,(L"\r\n"));
- //获得可用的无线网列表
- dwResult = WlanGetAvailableNetworkList(hClient,
- &pIfInfo->InterfaceGuid,
- 0,
- NULL,
- &pBssList);
- if (dwResult != ERROR_SUCCESS)
- {
- RETAILMSG(OUTPUT_LOGMSG,(L"WlanGetAvailableNetworkList failed with error: %u\r\n",
- dwResult));
- dwRetVal = 1;
- // You can use FormatMessage to find out why the function failed
- }
- else
- {
- RETAILMSG(OUTPUT_LOGMSG, (L"WLAN_AVAILABLE_NETWORK_LIST for this interface\r\n"));
- RETAILMSG(OUTPUT_LOGMSG,(L"Num Entries: %d\r\n", pBssList->dwNumberOfItems));
- for (j = 0; j < pBssList->dwNumberOfItems; j++)
- {
- pBssEntry = (WLAN_AVAILABLE_NETWORK *)&pBssList->Network[j];
- RETAILMSG(OUTPUT_LOGMSG,(L" Profile Name[%u]: %s\r\n", j, &pBssEntry->strProfileName));
- RETAILMSG(OUTPUT_LOGMSG,(L" SSID[%u]:\t\t ", j));
- if (pBssEntry->dot11Ssid.uSSIDLength == 0)
- RETAILMSG(OUTPUT_LOGMSG,(L"\r\n"));
- else
- {
- CString str = _T("");
- str = pBssEntry->dot11Ssid.ucSSID;
- RETAILMSG(OUTPUT_LOGMSG,(L"%s\r\n", str));
- RETAILMSG(OUTPUT_LOGMSG,(L"%s\r\n", &pBssEntry->dot11Ssid.ucSSID));
- }
- RETAILMSG(OUTPUT_LOGMSG,(L"BSS Network type[%u]:\t ", j));
- switch (pBssEntry->dot11BssType)
- {
- case dot11_BSS_type_infrastructure :
- RETAILMSG(OUTPUT_LOGMSG,(L"Infrastructure (%u)\r\n", pBssEntry->dot11BssType));
- break;
- case dot11_BSS_type_independent:
- RETAILMSG(OUTPUT_LOGMSG,(L"Infrastructure (%u)\r\n", pBssEntry->dot11BssType));
- break;
- default:
- RETAILMSG(OUTPUT_LOGMSG,(L"Other (%lu)\r\n", pBssEntry->dot11BssType));
- break;
- }
- RETAILMSG(OUTPUT_LOGMSG,(L" Number of BSSIDs[%u]:\t %u\r\n", j, pBssEntry->uNumberOfBssids));
- RETAILMSG(OUTPUT_LOGMSG,(L" Connectable[%u]:\t ", j));
- if (pBssEntry->bNetworkConnectable)
- RETAILMSG(OUTPUT_LOGMSG,(L"Yes\r\n"));
- else
- {
- RETAILMSG(OUTPUT_LOGMSG,(L"No\r\n"));
- RETAILMSG(OUTPUT_LOGMSG,(L" Not connectable WLAN_REASON_CODE value[%u]:\t %u\r\n", j,
- pBssEntry->wlanNotConnectableReason));
- }
- RETAILMSG(OUTPUT_LOGMSG,(L"Number of PHY types supported[%u]:\t %u\r\n", j, pBssEntry->uNumberOfPhyTypes));
- if (pBssEntry->wlanSignalQuality == 0)
- iRSSI = -100;
- else if (pBssEntry->wlanSignalQuality == 100)
- iRSSI = -50;
- else
- iRSSI = -100 + (pBssEntry->wlanSignalQuality/2);
- RETAILMSG(OUTPUT_LOGMSG,(L" Signal Quality[%u]:\t %u (RSSI: %i dBm)\r\n", j,
- pBssEntry->wlanSignalQuality, iRSSI));
- RETAILMSG(OUTPUT_LOGMSG,(L" Security Enabled[%u]:\t ", j));
- if (pBssEntry->bSecurityEnabled)
- RETAILMSG(OUTPUT_LOGMSG,(L"Yes\r\n"));
- else
- RETAILMSG(OUTPUT_LOGMSG,(L"No\r\n"));
- //身份验证类型
- RETAILMSG(OUTPUT_LOGMSG,(L" Default AuthAlgorithm[%u]: ", j));
- switch (pBssEntry->dot11DefaultAuthAlgorithm)
- {
- case DOT11_AUTH_ALGO_80211_OPEN:
- RETAILMSG(OUTPUT_LOGMSG,(L"802.11 Open (%u)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- case DOT11_AUTH_ALGO_80211_SHARED_KEY:
- RETAILMSG(OUTPUT_LOGMSG,(L"802.11 Shared (%u)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- case DOT11_AUTH_ALGO_WPA:
- RETAILMSG(OUTPUT_LOGMSG,(L"WPA (%u)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- case DOT11_AUTH_ALGO_WPA_PSK:
- RETAILMSG(OUTPUT_LOGMSG,(L"WPA-PSK (%u)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- case DOT11_AUTH_ALGO_WPA_NONE:
- RETAILMSG(OUTPUT_LOGMSG,(L"WPA-None (%u)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- case DOT11_AUTH_ALGO_RSNA:
- RETAILMSG(OUTPUT_LOGMSG,(L"RSNA (%u)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- case DOT11_AUTH_ALGO_RSNA_PSK:
- RETAILMSG(OUTPUT_LOGMSG,(L"RSNA with PSK(%u)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- default:
- RETAILMSG(OUTPUT_LOGMSG,(L"Other (%lu)\r\n", pBssEntry->dot11DefaultAuthAlgorithm));
- break;
- }
- //加密类型
- RETAILMSG(OUTPUT_LOGMSG,(L" Default CipherAlgorithm[%u]: ", j));
- switch (pBssEntry->dot11DefaultCipherAlgorithm)
- {
- case DOT11_CIPHER_ALGO_NONE:
- RETAILMSG(OUTPUT_LOGMSG,(L"None (0x%x)\r\n", pBssEntry->dot11DefaultCipherAlgorithm));
- break;
- case DOT11_CIPHER_ALGO_WEP40:
- RETAILMSG(OUTPUT_LOGMSG,(L"WEP-40 (0x%x)\r\n", pBssEntry->dot11DefaultCipherAlgorithm));
- break;
- case DOT11_CIPHER_ALGO_TKIP:
- RETAILMSG(OUTPUT_LOGMSG,(L"TKIP (0x%x)\r\n", pBssEntry->dot11DefaultCipherAlgorithm));
- break;
- case DOT11_CIPHER_ALGO_CCMP:
- RETAILMSG(OUTPUT_LOGMSG,(L"CCMP (0x%x)\r\n", pBssEntry->dot11DefaultCipherAlgorithm));
- break;
- case DOT11_CIPHER_ALGO_WEP104:
- RETAILMSG(OUTPUT_LOGMSG,(L"WEP-104 (0x%x)\r\n", pBssEntry->dot11DefaultCipherAlgorithm));
- break;
- case DOT11_CIPHER_ALGO_WEP:
- RETAILMSG(OUTPUT_LOGMSG,(L"WEP (0x%x)\r\n", pBssEntry->dot11DefaultCipherAlgorithm));
- break;
- default:
- RETAILMSG(OUTPUT_LOGMSG,(L"Other (0x%x)\r\n", pBssEntry->dot11DefaultCipherAlgorithm));
- break;
- }
- RETAILMSG(OUTPUT_LOGMSG,(L" Flags[%u]:\t 0x%x", j, pBssEntry->dwFlags));
- if (pBssEntry->dwFlags)
- {
- if (pBssEntry->dwFlags & WLAN_AVAILABLE_NETWORK_CONNECTED)
- RETAILMSG(OUTPUT_LOGMSG,(L" - Currently connected"));
- if (pBssEntry->dwFlags & WLAN_AVAILABLE_NETWORK_CONNECTED)
- RETAILMSG(OUTPUT_LOGMSG,(L" - Has profile"));
- }
- RETAILMSG(OUTPUT_LOGMSG,(L"\r\n"));
- RETAILMSG(OUTPUT_LOGMSG,(L"\r\n"));
- }//for (j = 0; j < pBssList->dwNumberOfItems; j++)
- }//else 无线网个数
- }//for (i = 0; i < (int)pIfList->dwNumberOfItems; i++)
- }//else 无线适配器
- // 释放空间
- if (pBssList != NULL)
- {
- WlanFreeMemory(pBssList);
- pBssList = NULL;
- }
- if (pIfList != NULL)
- {
- WlanFreeMemory(pIfList);
- pIfList = NULL;
- }
- return dwRetVal;
- }
需要附加头文件：
#include <wlanapi.h>
#pragma comment(lib, "wlanapi.lib")
定义的宏
//定义输入LOG信息宏
#define OUTPUT_LOGMSG 1
编译时可能会出错，但我把其中出错的地方注释掉，就可以编译了，而且能够得到相应的结果。
修改文件 ntddndis.h 修改如下：
#define NDIS_IF_MAX_STRING_SIZE IF_MAX_STRING_SIZE
line 3958 //typedef IF_COUNTED_STRING NDIS_IF_COUNTED_STRING, *PNDIS_IF_COUNTED_STRING;
#define NDIS_MAX_PHYS_ADDRESS_LENGTH IF_MAX_PHYS_ADDRESS_LENGTH
line 3960 //typedef IF_PHYSICAL_ADDRESS NDIS_IF_PHYSICAL_ADDRESS, *PNDIS_IF_PHYSICAL_ADDRESS;
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