libwinpr-wtsapi: add VC API

winpr/include/winpr/wtsapi.h

@@ -27,6 +27,194 @@
 
 #ifndef _WIN32
 
+/**
+ * Virtual Channel Protocol (Common)
+ */
+
+#define CHANNEL_CHUNK_LENGTH				1600
+
+#define CHANNEL_PDU_LENGTH				(CHANNEL_CHUNK_LENGTH + sizeof(CHANNEL_PDU_HEADER))
+
+#define CHANNEL_FLAG_FIRST				0x01
+#define CHANNEL_FLAG_LAST				0x02
+#define CHANNEL_FLAG_ONLY				(CHANNEL_FLAG_FIRST | CHANNEL_FLAG_LAST)
+#define CHANNEL_FLAG_MIDDLE				0
+#define CHANNEL_FLAG_FAIL				0x100
+
+#define CHANNEL_FLAG_SHOW_PROTOCOL			0x10
+#define CHANNEL_FLAG_SUSPEND				0x20
+#define CHANNEL_FLAG_RESUME				0x40
+#define CHANNEL_FLAG_SHADOW_PERSISTENT			0x80
+
+#define CHANNEL_OPTION_INITIALIZED			0x80000000
+
+#define CHANNEL_OPTION_ENCRYPT_RDP			0x40000000
+#define CHANNEL_OPTION_ENCRYPT_SC			0x20000000
+#define CHANNEL_OPTION_ENCRYPT_CS			0x10000000
+#define CHANNEL_OPTION_PRI_HIGH				0x08000000
+#define CHANNEL_OPTION_PRI_MED				0x04000000
+#define CHANNEL_OPTION_PRI_LOW				0x02000000
+#define CHANNEL_OPTION_COMPRESS_RDP			0x00800000
+#define CHANNEL_OPTION_COMPRESS				0x00400000
+#define CHANNEL_OPTION_SHOW_PROTOCOL			0x00200000
+#define CHANNEL_OPTION_REMOTE_CONTROL_PERSISTENT	0x00100000
+
+#define CHANNEL_MAX_COUNT				30
+#define CHANNEL_NAME_LEN				7
+
+typedef struct tagCHANNEL_DEF
+{
+	char name[CHANNEL_NAME_LEN + 1];
+	ULONG options;
+} CHANNEL_DEF;
+typedef CHANNEL_DEF *PCHANNEL_DEF;
+typedef PCHANNEL_DEF *PPCHANNEL_DEF;
+
+typedef struct tagCHANNEL_PDU_HEADER
+{
+	UINT32 length;
+	UINT32 flags;
+} CHANNEL_PDU_HEADER, *PCHANNEL_PDU_HEADER;
+
+/**
+ * Virtual Channel Client API
+ */
+
+#ifdef _WIN32
+#define VCAPITYPE __stdcall
+#define VCEXPORT
+#else
+#define VCAPITYPE CALLBACK
+#define VCEXPORT  __export
+#endif
+
+typedef VOID VCAPITYPE CHANNEL_INIT_EVENT_FN(LPVOID pInitHandle,
+		UINT event, LPVOID pData, UINT dataLength);
+
+typedef CHANNEL_INIT_EVENT_FN *PCHANNEL_INIT_EVENT_FN;
+
+typedef VOID VCAPITYPE CHANNEL_INIT_EVENT_EX_FN(LPVOID lpUserParam,
+		LPVOID pInitHandle, UINT event, LPVOID pData, UINT dataLength);
+
+typedef CHANNEL_INIT_EVENT_EX_FN *PCHANNEL_INIT_EVENT_EX_FN;
+
+#define CHANNEL_EVENT_INITIALIZED			0
+#define CHANNEL_EVENT_CONNECTED				1
+#define CHANNEL_EVENT_V1_CONNECTED			2
+#define CHANNEL_EVENT_DISCONNECTED			3
+#define CHANNEL_EVENT_TERMINATED			4
+#define CHANNEL_EVENT_REMOTE_CONTROL_START		5
+#define CHANNEL_EVENT_REMOTE_CONTROL_STOP		6
+#define CHANNEL_EVENT_DATA_RECEIVED			10
+#define CHANNEL_EVENT_WRITE_COMPLETE			11
+#define CHANNEL_EVENT_WRITE_CANCELLED			12
+
+typedef VOID VCAPITYPE CHANNEL_OPEN_EVENT_FN(DWORD openHandle, UINT event,
+		LPVOID pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags);
+
+typedef CHANNEL_OPEN_EVENT_FN *PCHANNEL_OPEN_EVENT_FN;
+
+typedef VOID VCAPITYPE CHANNEL_OPEN_EVENT_EX_FN(LPVOID lpUserParam, DWORD openHandle, UINT event,
+		LPVOID pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags);
+
+typedef CHANNEL_OPEN_EVENT_EX_FN *PCHANNEL_OPEN_EVENT_EX_FN;
+
+#define CHANNEL_RC_OK					0
+#define CHANNEL_RC_ALREADY_INITIALIZED			1
+#define CHANNEL_RC_NOT_INITIALIZED			2
+#define CHANNEL_RC_ALREADY_CONNECTED			3
+#define CHANNEL_RC_NOT_CONNECTED			4
+#define CHANNEL_RC_TOO_MANY_CHANNELS			5
+#define CHANNEL_RC_BAD_CHANNEL				6
+#define CHANNEL_RC_BAD_CHANNEL_HANDLE			7
+#define CHANNEL_RC_NO_BUFFER				8
+#define CHANNEL_RC_BAD_INIT_HANDLE			9
+#define CHANNEL_RC_NOT_OPEN				10
+#define CHANNEL_RC_BAD_PROC				11
+#define CHANNEL_RC_NO_MEMORY				12
+#define CHANNEL_RC_UNKNOWN_CHANNEL_NAME			13
+#define CHANNEL_RC_ALREADY_OPEN				14
+#define CHANNEL_RC_NOT_IN_VIRTUALCHANNELENTRY		15
+#define CHANNEL_RC_NULL_DATA				16
+#define CHANNEL_RC_ZERO_LENGTH				17
+#define CHANNEL_RC_INVALID_INSTANCE			18
+#define CHANNEL_RC_UNSUPPORTED_VERSION			19
+#define CHANNEL_RC_INITIALIZATION_ERROR			20
+
+#define VIRTUAL_CHANNEL_VERSION_WIN2000			1
+
+typedef UINT VCAPITYPE VIRTUALCHANNELINIT(LPVOID* ppInitHandle, PCHANNEL_DEF pChannel,
+		INT channelCount, ULONG versionRequested, PCHANNEL_INIT_EVENT_FN pChannelInitEventProc);
+
+typedef VIRTUALCHANNELINIT *PVIRTUALCHANNELINIT;
+
+typedef UINT VCAPITYPE VIRTUALCHANNELINITEX(LPVOID lpUserParam, LPVOID pInitHandle, PCHANNEL_DEF pChannel,
+		INT channelCount, ULONG versionRequested, PCHANNEL_INIT_EVENT_EX_FN pChannelInitEventProcEx);
+
+typedef VIRTUALCHANNELINITEX *PVIRTUALCHANNELINITEX;
+
+typedef UINT VCAPITYPE VIRTUALCHANNELOPEN(LPVOID pInitHandle, LPDWORD pOpenHandle,
+		PCHAR pChannelName, PCHANNEL_OPEN_EVENT_FN pChannelOpenEventProc);
+
+typedef VIRTUALCHANNELOPEN *PVIRTUALCHANNELOPEN;
+
+typedef UINT VCAPITYPE VIRTUALCHANNELOPENEX(LPVOID pInitHandle, LPDWORD pOpenHandle,
+		PCHAR pChannelName, PCHANNEL_OPEN_EVENT_EX_FN pChannelOpenEventProcEx);
+
+typedef VIRTUALCHANNELOPENEX *PVIRTUALCHANNELOPENEX;
+
+typedef UINT VCAPITYPE VIRTUALCHANNELCLOSE(DWORD openHandle);
+
+typedef VIRTUALCHANNELCLOSE *PVIRTUALCHANNELCLOSE;
+
+typedef UINT VCAPITYPE VIRTUALCHANNELCLOSEEX(LPVOID pInitHandle, DWORD openHandle);
+
+typedef VIRTUALCHANNELCLOSEEX *PVIRTUALCHANNELCLOSEEX;
+
+typedef UINT VCAPITYPE VIRTUALCHANNELWRITE(DWORD openHandle,
+		LPVOID pData, ULONG dataLength, LPVOID pUserData);
+
+typedef VIRTUALCHANNELWRITE *PVIRTUALCHANNELWRITE;
+
+typedef UINT VCAPITYPE VIRTUALCHANNELWRITEEX(LPVOID pInitHandle, DWORD openHandle,
+		LPVOID pData, ULONG dataLength, LPVOID pUserData);
+
+typedef VIRTUALCHANNELWRITEEX *PVIRTUALCHANNELWRITEEX;
+
+typedef struct tagCHANNEL_ENTRY_POINTS
+{
+	DWORD cbSize;
+	DWORD protocolVersion;
+	PVIRTUALCHANNELINIT pVirtualChannelInit;
+	PVIRTUALCHANNELOPEN pVirtualChannelOpen;
+	PVIRTUALCHANNELCLOSE pVirtualChannelClose;
+	PVIRTUALCHANNELWRITE pVirtualChannelWrite;
+} CHANNEL_ENTRY_POINTS, *PCHANNEL_ENTRY_POINTS;
+
+typedef struct tagCHANNEL_ENTRY_POINTS_EX
+{
+	DWORD cbSize;
+	DWORD protocolVersion;
+	PVIRTUALCHANNELINITEX pVirtualChannelInitEx;
+	PVIRTUALCHANNELOPENEX pVirtualChannelOpenEx;
+	PVIRTUALCHANNELCLOSEEX pVirtualChannelCloseEx;
+	PVIRTUALCHANNELWRITEEX pVirtualChannelWriteEx;
+} CHANNEL_ENTRY_POINTS_EX, *PCHANNEL_ENTRY_POINTS_EX;
+
+typedef BOOL VCAPITYPE VIRTUALCHANNELENTRY(PCHANNEL_ENTRY_POINTS pEntryPoints);
+
+typedef VIRTUALCHANNELENTRY *PVIRTUALCHANNELENTRY;
+
+typedef BOOL VCAPITYPE VIRTUALCHANNELENTRYEX(PCHANNEL_ENTRY_POINTS_EX pEntryPointsEx, PVOID pInitHandle);
+
+typedef VIRTUALCHANNELENTRYEX *PVIRTUALCHANNELENTRYEX;
+
+typedef HRESULT (VCAPITYPE *PFNVCAPIGETINSTANCE)(REFIID refiid, PULONG pNumObjs, PVOID* ppObjArray);
+
+/**
+ * Windows Terminal Services API (WtsApi)
+ */
+
 #define WTS_CURRENT_SERVER			((HANDLE)NULL)
 #define WTS_CURRENT_SERVER_HANDLE		((HANDLE)NULL)
 #define WTS_CURRENT_SERVER_NAME			(NULL)

winpr/include/winpr/wtypes.h

@@ -160,6 +160,9 @@ typedef struct _LUID
 	LONG  HighPart;
 } LUID, *PLUID;
 
+typedef GUID IID;
+typedef IID* REFIID;
+
 #ifdef UNICODE
 #define _T(x)	L ## x
 #else

winpr/libwinpr/wtsapi/wtsapi.c

@@ -25,6 +25,11 @@
 
 #include <winpr/wtsapi.h>
 
+/**
+ * Remote Desktop Services API Functions:
+ * http://msdn.microsoft.com/en-us/library/windows/desktop/aa383464/
+ */
+
 #ifndef _WIN32
 
 BOOL WTSStopRemoteControlSession(ULONG LogonId)