📄 wlsample.cpp
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dwError = ERROR_INVALID_PARAMETER;
__leave;
}
// open handle
if ((dwError = OpenHandleAndCheckVersion(
&hClient
)) != ERROR_SUCCESS)
{
__leave;
}
if (( dwError = WlanGetInterfaceCapability(
hClient,
&guidIntf,
NULL, // reserved
&pCapability
)) != ERROR_SUCCESS)
{
__leave;
}
// print interface capability information
if (pCapability->interfaceType == wlan_interface_type_emulated_802_11)
{
wcout << L"Emulated 802.11 NIC." << endl;
}
else if (pCapability->interfaceType == wlan_interface_type_native_802_11)
{
wcout << L"Native 802.11 NIC." << endl;
}
else
{
wcout << L"Unknown NIC." << endl;
}
// print supported PHY type
wcout << L"Supports " << pCapability->dwNumberOfSupportedPhys << L" PHY types:" << endl;
for (i = 0; i < pCapability->dwNumberOfSupportedPhys; i++)
{
wcout << L"\t" << GetPhyTypeString(pCapability->dot11PhyTypes[i]) << endl;
}
// query supported auth/cipher for infrastructure
if ((dwError = WlanQueryInterface(
hClient,
&guidIntf,
wlan_intf_opcode_supported_infrastructure_auth_cipher_pairs,
NULL, // reserved
&dwDataSize,
(PVOID *)&(pSupportedAuthCipherList),
NULL // not interesed in the type of the opcode value
)) != ERROR_SUCCESS)
{
__leave;
}
// print auth/cipher algorithms
wcout << L"Supported auth cipher pairs (infrastructure):" << endl;
for (i = 0; i < pSupportedAuthCipherList->dwNumberOfItems; i++)
{
wcout << L"\t";
wcout << GetAuthAlgoString(pSupportedAuthCipherList->pAuthCipherPairList[i].AuthAlgoId);
wcout << L" and ";
wcout << GetCipherAlgoString(pSupportedAuthCipherList->pAuthCipherPairList[i].CipherAlgoId) << endl;
}
WlanFreeMemory(pSupportedAuthCipherList);
pSupportedAuthCipherList = NULL;
// query supported auth/cipher for ad hoc
if ((dwError = WlanQueryInterface(
hClient,
&guidIntf,
wlan_intf_opcode_supported_adhoc_auth_cipher_pairs,
NULL, // reserved
&dwDataSize,
(PVOID *)&(pSupportedAuthCipherList),
NULL // not interesed in the type of the opcode value
)) != ERROR_SUCCESS)
{
__leave;
}
// print auth/cipher algorithms
wcout << L"Supported auth cipher pairs (ad hoc):" << endl;
for (i = 0; i < pSupportedAuthCipherList->dwNumberOfItems; i++)
{
wcout << L"\t";
wcout << GetAuthAlgoString(pSupportedAuthCipherList->pAuthCipherPairList[i].AuthAlgoId);
wcout << L" and ";
wcout << GetCipherAlgoString(pSupportedAuthCipherList->pAuthCipherPairList[i].CipherAlgoId) << endl;
}
WlanFreeMemory(pSupportedAuthCipherList);
pSupportedAuthCipherList = NULL;
}
__finally
{
// clean up
if (hClient != NULL)
{
WlanCloseHandle(
hClient,
NULL // reserved
);
}
}
PrintErrorMsg(argv[0], dwError);
}
// set the radio state
VOID
SetRadioState(
__in int argc,
__in_ecount(argc) LPWSTR argv[]
)
{
DWORD dwError = ERROR_SUCCESS;
HANDLE hClient = NULL;
GUID guidIntf;
PWLAN_INTERFACE_CAPABILITY pInterfaceCapability = NULL;
DWORD i;
WLAN_PHY_RADIO_STATE wlanPhyRadioState;
__try
{
if (argc != 3)
{
dwError = ERROR_INVALID_PARAMETER;
__leave;
}
if (_wcsicmp(argv[2], L"on") == 0)
{
wlanPhyRadioState.dot11SoftwareRadioState = dot11_radio_state_on;
}
else if (_wcsicmp(argv[2], L"off") == 0)
{
wlanPhyRadioState.dot11SoftwareRadioState = dot11_radio_state_off;
}
else
{
dwError = ERROR_INVALID_PARAMETER;
__leave;
}
// get the interface GUID
if (UuidFromString((RPC_WSTR)argv[1], &guidIntf) != RPC_S_OK)
{
wcerr << L"Invalid GUID " << argv[1] << endl;
dwError = ERROR_INVALID_PARAMETER;
__leave;
}
// open handle
if ((dwError = OpenHandleAndCheckVersion(
&hClient
)) != ERROR_SUCCESS)
{
__leave;
}
// get interface capability, which includes the supported PHYs
if ((dwError = WlanGetInterfaceCapability(
hClient,
&guidIntf,
NULL, // reserved
&pInterfaceCapability
)) != ERROR_SUCCESS)
{
__leave;
}
// set radio state on every PHY
for (i = 0; i < pInterfaceCapability->dwNumberOfSupportedPhys; i++)
{
// set radio state on every PHY
wlanPhyRadioState.dwPhyIndex = i;
if ((dwError = WlanSetInterface(
hClient,
&guidIntf,
wlan_intf_opcode_radio_state,
sizeof(wlanPhyRadioState),
(PBYTE)&wlanPhyRadioState,
NULL // reserved
)) != ERROR_SUCCESS)
{
// rollback is nice to have, but not required
__leave;
}
}
}
__finally
{
// clean up
if (hClient != NULL)
{
WlanCloseHandle(
hClient,
NULL // reserved
);
}
if (pInterfaceCapability != NULL)
{
WlanFreeMemory(pInterfaceCapability);
}
}
PrintErrorMsg(argv[0], dwError);
}
// query basic interface information
VOID
QueryInterface(
__in int argc,
__in_ecount(argc) LPWSTR argv[]
)
{
DWORD dwError = ERROR_SUCCESS;
HANDLE hClient = NULL;
GUID guidIntf;
WLAN_INTERFACE_STATE isState;
PWLAN_CONNECTION_ATTRIBUTES pCurrentNetwork = NULL;
WCHAR strSsid[DOT11_SSID_MAX_LENGTH+1];
WLAN_RADIO_STATE wlanRadioState;
PVOID pData = NULL;
DWORD dwDataSize = 0;
UINT i;
__try
{
if (argc != 2)
{
dwError = ERROR_INVALID_PARAMETER;
__leave;
}
// get the interface GUID
if (UuidFromString((RPC_WSTR)argv[1], &guidIntf) != RPC_S_OK)
{
wcerr << L"Invalid GUID " << argv[1] << endl;
dwError = ERROR_INVALID_PARAMETER;
__leave;
}
// open handle
if ((dwError = OpenHandleAndCheckVersion(
&hClient
)) != ERROR_SUCCESS)
{
__leave;
}
// query radio state information
// this opcode is not supported in XP
if ((dwError = WlanQueryInterface(
hClient,
&guidIntf,
wlan_intf_opcode_radio_state,
NULL, // reserved
&dwDataSize,
&pData,
NULL // not interesed in the type of the opcode value
)) != ERROR_SUCCESS &&
dwError != ERROR_NOT_SUPPORTED)
{
__leave;
}
if (dwError == ERROR_SUCCESS)
{
if (dwDataSize != sizeof(WLAN_RADIO_STATE))
{
dwError = ERROR_INVALID_DATA;
__leave;
}
wlanRadioState = *((PWLAN_RADIO_STATE)pData);
// print radio state
for (i = 0; i < wlanRadioState.dwNumberOfPhys; i++)
{
wcout << L"PHY " << wlanRadioState.PhyRadioState[i].dwPhyIndex << L": " << endl;
wcout << L"\tSoftware radio state is " << GetRadioStateString(wlanRadioState.PhyRadioState[i].dot11SoftwareRadioState) << L"." << endl;
wcout << L"\tHardware radio state is " << GetRadioStateString(wlanRadioState.PhyRadioState[i].dot11HardwareRadioState) << L"." << endl;
}
WlanFreeMemory(pData);
pData = NULL;
}
else
{
// not supported in XP
// print message
wcout << L"Querying radio state is not supported." << endl;
}
// query interface state
if ((dwError = WlanQueryInterface(
hClient,
&guidIntf,
wlan_intf_opcode_interface_state,
NULL, // reserved
&dwDataSize,
&pData,
NULL // not interesed in the type of the opcode value
)) != ERROR_SUCCESS)
{
__leave;
}
if (dwDataSize != sizeof(WLAN_INTERFACE_STATE))
{
dwError = ERROR_INVALID_DATA;
__leave;
}
isState = *((PWLAN_INTERFACE_STATE)pData);
// print interface state
wcout << L"Interface state: " << GetInterfaceStateString(isState) << L"." << endl;
WlanFreeMemory(pData);
pData = NULL;
// query the current connection
if ((dwError = WlanQueryInterface(
hClient,
&guidIntf,
wlan_intf_opcode_current_connection,
NULL, // reserved
&dwDataSize,
&pData,
NULL // not interesed in the type of the opcode value
)) == ERROR_SUCCESS &&
dwDataSize == sizeof(WLAN_CONNECTION_ATTRIBUTES)
)
{
pCurrentNetwork = (PWLAN_CONNECTION_ATTRIBUTES)pData;
}
// we don't treat ERROR_INVALID_STATE as an error for querying the interface
if (dwError == ERROR_INVALID_STATE)
{
dwError = ERROR_SUCCESS;
}
if (pCurrentNetwork == NULL)
{
// no connection information
__leave;
}
// print current connection information
if (pCurrentNetwork->isState == wlan_interface_state_connected)
wcout << L"Currently connected to ";
else if (pCurrentNetwork->isState == wlan_interface_state_ad_hoc_network_formed)
wcout << L"Currently formed ";
else if (pCurrentNetwork->isState == wlan_interface_state_associating ||
pCurrentNetwork->isState == wlan_interface_state_discovering ||
pCurrentNetwork->isState == wlan_interface_state_authenticating
)
wcout << L"Currently connecting to ";
wcout << SsidToStringW(strSsid, sizeof(strSsid)/sizeof(WCHAR), &pCurrentNetwork->wlanAssociationAttributes.dot11Ssid);
wcout << L" using profile " << pCurrentNetwork->strProfileName;
wcout << L", connection mode is " << GetConnectionModeString(pCurrentNetwork->wlanConnectionMode);
wcout << L", BSS type is " << GetBssTypeString(pCurrentNetwork->wlanAssociationAttributes.dot11BssType) << L"." << endl;
wcout << L"Current PHY type: ";
wcout << GetPhyTypeString(pCurrentNetwork->wlanAssociationAttributes.dot11PhyType) << endl;
}
__finally
{
if (pData != NULL)
{
WlanFreeMemory(pData);
}
// clean up
if (hClient != NULL)
{
WlanCloseHandle(
hClient,
NULL // reserved
);
}
}
PrintErrorMsg(argv[0], dwError);
}
// scan
VOID
Scan(
__in int argc,
__in_ecount(argc) LPWSTR argv[]
)
{
DWORD dwError = ERROR_SUCCESS;
HANDLE hClient = NULL;
GUID guidIntf;
__try
{
if (argc != 2)
{
dwError = ERROR_INVALID_PARAMETER;
__leave;
}
// get the interface GUID
if (UuidFromString((RPC_WSTR)argv[1], &guidIntf) != RPC_S_OK)
{
wcerr << L"Invalid GUID " << argv[1] << endl;
dwError = ERROR_INVALID_PARAMETER;
__leave;
}
// open handle
if ((dwError = OpenHandleAndCheckVersion(
&hClient
)) != ERROR_SUCCESS)
{
__leave;
}
// scan
dwError = WlanScan(
hClient,
&guidIntf,
NULL, // don't perform additional probe for a specific SSID
NULL, // no IE data for the additional probe
NULL // reserved
);
}
__finally
{
// clean up
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