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nfqws2: load wlanapi.dll dynamically only if required

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bol-van
2026-02-06 15:42:36 +03:00
parent 392e1cc1ef
commit 5d0af6b058
3 changed files with 82 additions and 9 deletions
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86
nfq2/darkmagic.c
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@@ -1152,6 +1152,42 @@ static bool AdapterID2Name(const GUID *guid,char *name,DWORD name_len)
return bRet;
}
typedef DWORD (WINAPI *t_WlanOpenHandle)(
DWORD dwClientVersion,
PVOID pReserved,
PDWORD pdwNegotiatedVersion,
PHANDLE phClientHandle
);
typedef DWORD (WINAPI *t_WlanCloseHandle)(
HANDLE hClientHandle,
PVOID pReserved
);
typedef DWORD (WINAPI *t_WlanEnumInterfaces)(
HANDLE hClientHandle,
PVOID pReserved,
PWLAN_INTERFACE_INFO_LIST *ppInterfaceList
);
typedef DWORD (WINAPI *t_WlanQueryInterface)(
HANDLE hClientHandle,
const GUID *pInterfaceGuid,
WLAN_INTF_OPCODE OpCode,
PVOID pReserved,
PDWORD pdwDataSize,
PVOID *ppData,
PWLAN_OPCODE_VALUE_TYPE pWlanOpcodeValueType
);
typedef DWORD (WINAPI *t_WlanFreeMemory)(
PVOID pMemory
);
t_WlanOpenHandle f_WlanOpenHandle = NULL;
t_WlanCloseHandle f_WlanCloseHandle = NULL;
t_WlanEnumInterfaces f_WlanEnumInterfaces = NULL;
t_WlanQueryInterface f_WlanQueryInterface = NULL;
t_WlanFreeMemory f_WlanFreeMemory = NULL;
HMODULE hdll_wlanapi = NULL;
bool win_dark_init(const struct str_list_head *ssid_filter, const struct str_list_head *nlm_filter)
{
win_dark_deinit();
@@ -1165,12 +1201,38 @@ bool win_dark_init(const struct str_list_head *ssid_filter, const struct str_lis
if (FAILED(w_win32_error = CoCreateInstance(&CLSID_NetworkListManager, NULL, CLSCTX_ALL, &IID_INetworkListManager, (LPVOID*)&pNetworkListManager)))
{
CoUninitialize();
DLOG_ERR("could not create CLSID_NetworkListManager. win32 error %u\n", w_win32_error);
return false;
}
}
else
return false;
}
if (ssid_filter)
{
// dont load any crap from current dir
hdll_wlanapi = LoadLibraryExW(L"wlanapi.dll",NULL,LOAD_LIBRARY_SEARCH_SYSTEM32);
if (!hdll_wlanapi)
{
w_win32_error = GetLastError();
DLOG_ERR("could not load wlanapi.dll. win32 error %u\n", w_win32_error);
win_dark_deinit();
return false;
}
f_WlanOpenHandle = (t_WlanOpenHandle)GetProcAddress(hdll_wlanapi,"WlanOpenHandle");
f_WlanCloseHandle = (t_WlanCloseHandle)GetProcAddress(hdll_wlanapi,"WlanCloseHandle");
f_WlanEnumInterfaces = (t_WlanEnumInterfaces)GetProcAddress(hdll_wlanapi,"WlanEnumInterfaces");
f_WlanQueryInterface = (t_WlanQueryInterface)GetProcAddress(hdll_wlanapi,"WlanQueryInterface");
f_WlanFreeMemory = (t_WlanFreeMemory)GetProcAddress(hdll_wlanapi,"WlanFreeMemory");
if (!f_WlanOpenHandle || !f_WlanCloseHandle || !f_WlanEnumInterfaces || !f_WlanQueryInterface || !f_WlanFreeMemory)
{
w_win32_error = GetLastError();
DLOG_ERR("could not import required functions from wlanapi.dll\n");
win_dark_deinit();
return false;
}
}
nlm_filter_net = nlm_filter;
wlan_filter_ssid = ssid_filter;
return true;
@@ -1184,6 +1246,16 @@ void win_dark_deinit(void)
}
if (nlm_filter_net) CoUninitialize();
wlan_filter_ssid = nlm_filter_net = NULL;
if (hdll_wlanapi)
{
FreeLibrary(hdll_wlanapi);
hdll_wlanapi = NULL;
f_WlanOpenHandle = NULL;
f_WlanCloseHandle = NULL;
f_WlanEnumInterfaces = NULL;
f_WlanQueryInterface = NULL;
f_WlanFreeMemory = NULL;
}
}
@@ -1365,16 +1437,16 @@ static bool wlan_filter_match(const struct str_list_head *ssid_list)
return true;
}
w_win32_error = WlanOpenHandle(2, NULL, &dwCurVersion, &hClient);
w_win32_error = f_WlanOpenHandle(2, NULL, &dwCurVersion, &hClient);
if (w_win32_error != ERROR_SUCCESS) goto fail;
w_win32_error = WlanEnumInterfaces(hClient, NULL, &pIfList);
w_win32_error = f_WlanEnumInterfaces(hClient, NULL, &pIfList);
if (w_win32_error != ERROR_SUCCESS) goto fail;
for (k = 0; k < pIfList->dwNumberOfItems; k++)
{
pIfInfo = pIfList->InterfaceInfo + k;
if (pIfInfo->isState == wlan_interface_state_connected)
{
w_win32_error = WlanQueryInterface(hClient,
w_win32_error = f_WlanQueryInterface(hClient,
&pIfInfo->InterfaceGuid,
wlan_intf_opcode_current_connection,
NULL,
@@ -1390,20 +1462,20 @@ static bool wlan_filter_match(const struct str_list_head *ssid_list)
len = strlen(ssid->str);
if (len==pConnectInfo->wlanAssociationAttributes.dot11Ssid.uSSIDLength && !memcmp(ssid->str,pConnectInfo->wlanAssociationAttributes.dot11Ssid.ucSSID,len))
{
WlanFreeMemory(pConnectInfo);
f_WlanFreeMemory(pConnectInfo);
goto found;
}
}
WlanFreeMemory(pConnectInfo);
f_WlanFreeMemory(pConnectInfo);
}
}
w_win32_error = 0;
fail:
bRes = false;
ex:
if (pIfList) WlanFreeMemory(pIfList);
if (hClient) WlanCloseHandle(hClient, 0);
if (pIfList) f_WlanFreeMemory(pIfList);
if (hClient) f_WlanCloseHandle(hClient, 0);
return bRes;
found:
w_win32_error = 0;