Hesham/wintun
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api: move InititalizeWintun to top to be easier to find

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It's the primary function we want people copy and pasting.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2020-11-05 12:43:00 +01:00
parent 8861fdc316
commit b7f5ee9a4e
1 changed files with 32 additions and 33 deletions
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65
example/example.c
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@ -32,8 +32,35 @@ static WINTUN_RECEIVE_RELEASE_FUNC WintunReceiveRelease;
static WINTUN_ALLOCATE_SEND_PACKET_FUNC WintunAllocateSendPacket;
static WINTUN_SEND_PACKET_FUNC WintunSendPacket;
static HANDLE QuitEvent;
static volatile BOOL HaveQuit;
static HMODULE
InitializeWintun(void)
{
HMODULE Wintun =
LoadLibraryExW(L"wintun.dll", NULL, LOAD_LIBRARY_SEARCH_APPLICATION_DIR | LOAD_LIBRARY_SEARCH_SYSTEM32);
if (!Wintun)
return NULL;
#define X(Name, Type) ((Name = (Type)GetProcAddress(Wintun, #Name)) == NULL)
if (X(WintunCreateAdapter, WINTUN_CREATE_ADAPTER_FUNC) || X(WintunDeleteAdapter, WINTUN_DELETE_ADAPTER_FUNC) ||
X(WintunDeletePoolDriver, WINTUN_DELETE_POOL_DRIVER_FUNC) || X(WintunEnumAdapters, WINTUN_ENUM_ADAPTERS_FUNC) ||
X(WintunFreeAdapter, WINTUN_FREE_ADAPTER_FUNC) || X(WintunGetAdapter, WINTUN_GET_ADAPTER_FUNC) ||
X(WintunOpenAdapterDeviceObject, WINTUN_OPEN_ADAPTER_DEVICE_OBJECT_FUNC) ||
X(WintunGetAdapterLUID, WINTUN_GET_ADAPTER_LUID_FUNC) ||
X(WintunGetAdapterName, WINTUN_GET_ADAPTER_NAME_FUNC) ||
X(WintunSetAdapterName, WINTUN_SET_ADAPTER_NAME_FUNC) ||
X(WintunGetRunningDriverVersion, WINTUN_GET_RUNNING_DRIVER_VERSION_FUNC) ||
X(WintunSetLogger, WINTUN_SET_LOGGER_FUNC) || X(WintunStartSession, WINTUN_START_SESSION_FUNC) ||
X(WintunEndSession, WINTUN_END_SESSION_FUNC) || X(WintunGetReadWaitEvent, WINTUN_GET_READ_WAIT_EVENT_FUNC) ||
X(WintunReceivePacket, WINTUN_RECEIVE_PACKET_FUNC) || X(WintunReceiveRelease, WINTUN_RECEIVE_RELEASE_FUNC) ||
X(WintunAllocateSendPacket, WINTUN_ALLOCATE_SEND_PACKET_FUNC) || X(WintunSendPacket, WINTUN_SEND_PACKET_FUNC))
#undef X
{
DWORD LastError = GetLastError();
FreeLibrary(Wintun);
SetLastError(LastError);
return NULL;
}
return Wintun;
}
static BOOL CALLBACK
ConsoleLogger(_In_ WINTUN_LOGGER_LEVEL Level, _In_z_ const WCHAR *LogLine)
@ -120,6 +147,9 @@ Log(_In_ WINTUN_LOGGER_LEVEL Level, _In_z_ const WCHAR *Format, ...)
ConsoleLogger(Level, LogLine);
}
static HANDLE QuitEvent;
static volatile BOOL HaveQuit;
static BOOL WINAPI
CtrlHandler(_In_ DWORD CtrlType)
{
@ -265,37 +295,6 @@ SendPackets(_Inout_ DWORD_PTR SessionPtr)
return ERROR_SUCCESS;
}
static HMODULE
InitializeWintun(void)
{
HMODULE Wintun =
LoadLibraryExW(L"wintun.dll", NULL, LOAD_LIBRARY_SEARCH_APPLICATION_DIR | LOAD_LIBRARY_SEARCH_SYSTEM32);
if (!Wintun)
return NULL;
#define X(Name, Type) ((Name = (Type)GetProcAddress(Wintun, #Name)) == NULL)
if (X(WintunCreateAdapter, WINTUN_CREATE_ADAPTER_FUNC) || X(WintunDeleteAdapter, WINTUN_DELETE_ADAPTER_FUNC) ||
X(WintunDeletePoolDriver, WINTUN_DELETE_POOL_DRIVER_FUNC) || X(WintunEnumAdapters, WINTUN_ENUM_ADAPTERS_FUNC) ||
X(WintunFreeAdapter, WINTUN_FREE_ADAPTER_FUNC) || X(WintunGetAdapter, WINTUN_GET_ADAPTER_FUNC) ||
X(WintunOpenAdapterDeviceObject, WINTUN_OPEN_ADAPTER_DEVICE_OBJECT_FUNC) ||
X(WintunGetAdapterLUID, WINTUN_GET_ADAPTER_LUID_FUNC) ||
X(WintunGetAdapterName, WINTUN_GET_ADAPTER_NAME_FUNC) ||
X(WintunSetAdapterName, WINTUN_SET_ADAPTER_NAME_FUNC) ||
X(WintunGetRunningDriverVersion, WINTUN_GET_RUNNING_DRIVER_VERSION_FUNC) ||
X(WintunSetLogger, WINTUN_SET_LOGGER_FUNC) || X(WintunStartSession, WINTUN_START_SESSION_FUNC) ||
X(WintunEndSession, WINTUN_END_SESSION_FUNC) || X(WintunGetReadWaitEvent, WINTUN_GET_READ_WAIT_EVENT_FUNC) ||
X(WintunReceivePacket, WINTUN_RECEIVE_PACKET_FUNC) || X(WintunReceiveRelease, WINTUN_RECEIVE_RELEASE_FUNC) ||
X(WintunAllocateSendPacket, WINTUN_ALLOCATE_SEND_PACKET_FUNC) || X(WintunSendPacket, WINTUN_SEND_PACKET_FUNC))
#undef X
{
DWORD LastError = GetLastError();
FreeLibrary(Wintun);
SetLastError(LastError);
return NULL;
}
SetLastError(ERROR_SUCCESS);
return Wintun;
}
int
main(void)
{