原文msdn链接地址:https://docs.microsoft.com/zh-cn/windows/desktop/api/wlanapi/nf-wlanapi-wlangetavailablenetworklist
1 #ifndef UNICODE 2 #define UNICODE 3 #endif 4 5 #include <windows.h> 6 #include <wlanapi.h> 7 #include <objbase.h> 8 #include <wtypes.h> 9 10 #include <stdio.h> 11 #include <stdlib.h> 12 13 // Need to link with Wlanapi.lib and Ole32.lib 14 #pragma comment(lib, "wlanapi.lib") 15 #pragma comment(lib, "ole32.lib") 16 17 18 int wmain() 19 { 20 21 // Declare and initialize variables. 22 23 HANDLE hClient = NULL; 24 DWORD dwMaxClient = 2; // 25 DWORD dwCurVersion = 0; 26 DWORD dwResult = 0; 27 DWORD dwRetVal = 0; 28 int iRet = 0; 29 30 WCHAR GuidString[39] = {0}; 31 32 unsigned int i, j, k; 33 34 /* variables used for WlanEnumInterfaces */ 35 36 PWLAN_INTERFACE_INFO_LIST pIfList = NULL; 37 PWLAN_INTERFACE_INFO pIfInfo = NULL; 38 39 PWLAN_AVAILABLE_NETWORK_LIST pBssList = NULL; 40 PWLAN_AVAILABLE_NETWORK pBssEntry = NULL; 41 42 int iRSSI = 0; 43 44 dwResult = WlanOpenHandle(dwMaxClient, NULL, &dwCurVersion, &hClient); 45 if (dwResult != ERROR_SUCCESS) { 46 wprintf(L"WlanOpenHandle failed with error: %u ", dwResult); 47 return 1; 48 // You can use FormatMessage here to find out why the function failed 49 } 50 51 dwResult = WlanEnumInterfaces(hClient, NULL, &pIfList); 52 if (dwResult != ERROR_SUCCESS) { 53 wprintf(L"WlanEnumInterfaces failed with error: %u ", dwResult); 54 return 1; 55 // You can use FormatMessage here to find out why the function failed 56 } else { 57 wprintf(L"Num Entries: %lu ", pIfList->dwNumberOfItems); 58 wprintf(L"Current Index: %lu ", pIfList->dwIndex); 59 for (i = 0; i < (int) pIfList->dwNumberOfItems; i++) { 60 pIfInfo = (WLAN_INTERFACE_INFO *) &pIfList->InterfaceInfo[i]; 61 wprintf(L" Interface Index[%u]: %lu ", i, i); 62 iRet = StringFromGUID2(pIfInfo->InterfaceGuid, (LPOLESTR) &GuidString, 63 sizeof(GuidString)/sizeof(*GuidString)); 64 // For c rather than C++ source code, the above line needs to be 65 // iRet = StringFromGUID2(&pIfInfo->InterfaceGuid, (LPOLESTR) &GuidString, 66 // sizeof(GuidString)/sizeof(*GuidString)); 67 if (iRet == 0) 68 wprintf(L"StringFromGUID2 failed "); 69 else { 70 wprintf(L" InterfaceGUID[%d]: %ws ",i, GuidString); 71 } 72 wprintf(L" Interface Description[%d]: %ws", i, 73 pIfInfo->strInterfaceDescription); 74 wprintf(L" "); 75 wprintf(L" Interface State[%d]: ", i); 76 switch (pIfInfo->isState) { 77 case wlan_interface_state_not_ready: 78 wprintf(L"Not ready "); 79 break; 80 case wlan_interface_state_connected: 81 wprintf(L"Connected "); 82 break; 83 case wlan_interface_state_ad_hoc_network_formed: 84 wprintf(L"First node in a ad hoc network "); 85 break; 86 case wlan_interface_state_disconnecting: 87 wprintf(L"Disconnecting "); 88 break; 89 case wlan_interface_state_disconnected: 90 wprintf(L"Not connected "); 91 break; 92 case wlan_interface_state_associating: 93 wprintf(L"Attempting to associate with a network "); 94 break; 95 case wlan_interface_state_discovering: 96 wprintf(L"Auto configuration is discovering settings for the network "); 97 break; 98 case wlan_interface_state_authenticating: 99 wprintf(L"In process of authenticating "); 100 break; 101 default: 102 wprintf(L"Unknown state %ld ", pIfInfo->isState); 103 break; 104 } 105 wprintf(L" "); 106 107 dwResult = WlanGetAvailableNetworkList(hClient, 108 &pIfInfo->InterfaceGuid, 109 0, 110 NULL, 111 &pBssList); 112 113 if (dwResult != ERROR_SUCCESS) { 114 wprintf(L"WlanGetAvailableNetworkList failed with error: %u ", 115 dwResult); 116 dwRetVal = 1; 117 // You can use FormatMessage to find out why the function failed 118 } else { 119 wprintf(L"WLAN_AVAILABLE_NETWORK_LIST for this interface "); 120 121 wprintf(L" Num Entries: %lu ", pBssList->dwNumberOfItems); 122 123 for (j = 0; j < pBssList->dwNumberOfItems; j++) { 124 pBssEntry = 125 (WLAN_AVAILABLE_NETWORK *) & pBssList->Network[j]; 126 127 wprintf(L" Profile Name[%u]: %ws ", j, pBssEntry->strProfileName); 128 129 wprintf(L" SSID[%u]: ", j); 130 if (pBssEntry->dot11Ssid.uSSIDLength == 0) 131 wprintf(L" "); 132 else { 133 for (k = 0; k < pBssEntry->dot11Ssid.uSSIDLength; k++) { 134 wprintf(L"%c", (int) pBssEntry->dot11Ssid.ucSSID[k]); 135 } 136 wprintf(L" "); 137 } 138 139 wprintf(L" BSS Network type[%u]: ", j); 140 switch (pBssEntry->dot11BssType) { 141 case dot11_BSS_type_infrastructure : 142 wprintf(L"Infrastructure (%u) ", pBssEntry->dot11BssType); 143 break; 144 case dot11_BSS_type_independent: 145 wprintf(L"Infrastructure (%u) ", pBssEntry->dot11BssType); 146 break; 147 default: 148 wprintf(L"Other (%lu) ", pBssEntry->dot11BssType); 149 break; 150 } 151 152 wprintf(L" Number of BSSIDs[%u]: %u ", j, pBssEntry->uNumberOfBssids); 153 154 wprintf(L" Connectable[%u]: ", j); 155 if (pBssEntry->bNetworkConnectable) 156 wprintf(L"Yes "); 157 else { 158 wprintf(L"No "); 159 wprintf(L" Not connectable WLAN_REASON_CODE value[%u]: %u ", j, 160 pBssEntry->wlanNotConnectableReason); 161 } 162 163 wprintf(L" Number of PHY types supported[%u]: %u ", j, pBssEntry->uNumberOfPhyTypes); 164 165 if (pBssEntry->wlanSignalQuality == 0) 166 iRSSI = -100; 167 else if (pBssEntry->wlanSignalQuality == 100) 168 iRSSI = -50; 169 else 170 iRSSI = -100 + (pBssEntry->wlanSignalQuality/2); 171 172 wprintf(L" Signal Quality[%u]: %u (RSSI: %i dBm) ", j, 173 pBssEntry->wlanSignalQuality, iRSSI); 174 175 wprintf(L" Security Enabled[%u]: ", j); 176 if (pBssEntry->bSecurityEnabled) 177 wprintf(L"Yes "); 178 else 179 wprintf(L"No "); 180 181 wprintf(L" Default AuthAlgorithm[%u]: ", j); 182 switch (pBssEntry->dot11DefaultAuthAlgorithm) { 183 case DOT11_AUTH_ALGO_80211_OPEN: 184 wprintf(L"802.11 Open (%u) ", pBssEntry->dot11DefaultAuthAlgorithm); 185 break; 186 case DOT11_AUTH_ALGO_80211_SHARED_KEY: 187 wprintf(L"802.11 Shared (%u) ", pBssEntry->dot11DefaultAuthAlgorithm); 188 break; 189 case DOT11_AUTH_ALGO_WPA: 190 wprintf(L"WPA (%u) ", pBssEntry->dot11DefaultAuthAlgorithm); 191 break; 192 case DOT11_AUTH_ALGO_WPA_PSK: 193 wprintf(L"WPA-PSK (%u) ", pBssEntry->dot11DefaultAuthAlgorithm); 194 break; 195 case DOT11_AUTH_ALGO_WPA_NONE: 196 wprintf(L"WPA-None (%u) ", pBssEntry->dot11DefaultAuthAlgorithm); 197 break; 198 case DOT11_AUTH_ALGO_RSNA: 199 wprintf(L"RSNA (%u) ", pBssEntry->dot11DefaultAuthAlgorithm); 200 break; 201 case DOT11_AUTH_ALGO_RSNA_PSK: 202 wprintf(L"RSNA with PSK(%u) ", pBssEntry->dot11DefaultAuthAlgorithm); 203 break; 204 default: 205 wprintf(L"Other (%lu) ", pBssEntry->dot11DefaultAuthAlgorithm); 206 break; 207 } 208 209 wprintf(L" Default CipherAlgorithm[%u]: ", j); 210 switch (pBssEntry->dot11DefaultCipherAlgorithm) { 211 case DOT11_CIPHER_ALGO_NONE: 212 wprintf(L"None (0x%x) ", pBssEntry->dot11DefaultCipherAlgorithm); 213 break; 214 case DOT11_CIPHER_ALGO_WEP40: 215 wprintf(L"WEP-40 (0x%x) ", pBssEntry->dot11DefaultCipherAlgorithm); 216 break; 217 case DOT11_CIPHER_ALGO_TKIP: 218 wprintf(L"TKIP (0x%x) ", pBssEntry->dot11DefaultCipherAlgorithm); 219 break; 220 case DOT11_CIPHER_ALGO_CCMP: 221 wprintf(L"CCMP (0x%x) ", pBssEntry->dot11DefaultCipherAlgorithm); 222 break; 223 case DOT11_CIPHER_ALGO_WEP104: 224 wprintf(L"WEP-104 (0x%x) ", pBssEntry->dot11DefaultCipherAlgorithm); 225 break; 226 case DOT11_CIPHER_ALGO_WEP: 227 wprintf(L"WEP (0x%x) ", pBssEntry->dot11DefaultCipherAlgorithm); 228 break; 229 default: 230 wprintf(L"Other (0x%x) ", pBssEntry->dot11DefaultCipherAlgorithm); 231 break; 232 } 233 234 wprintf(L" Flags[%u]: 0x%x", j, pBssEntry->dwFlags); 235 if (pBssEntry->dwFlags) { 236 if (pBssEntry->dwFlags & WLAN_AVAILABLE_NETWORK_CONNECTED) 237 wprintf(L" - Currently connected"); 238 if (pBssEntry->dwFlags & WLAN_AVAILABLE_NETWORK_CONNECTED) 239 wprintf(L" - Has profile"); 240 } 241 wprintf(L" "); 242 243 wprintf(L" "); 244 } 245 } 246 } 247 248 } 249 if (pBssList != NULL) { 250 WlanFreeMemory(pBssList); 251 pBssList = NULL; 252 } 253 254 if (pIfList != NULL) { 255 WlanFreeMemory(pIfList); 256 pIfList = NULL; 257 } 258 259 return dwRetVal; 260 }