mirror of https://github.com/neutrinolabs/xrdp
415 lines
10 KiB
C
415 lines
10 KiB
C
/*
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Copyright 2005-2008 Jay Sorg
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include "X11/X.h"
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#define NEED_EVENTS
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#include "X11/Xproto.h"
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#include "X11/Xos.h"
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#include "scrnintstr.h"
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#include "servermd.h"
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#define PSZ 8
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#include "cfb.h"
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#include "mibstore.h"
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#include "colormapst.h"
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#include "gcstruct.h"
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#include "input.h"
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#include "mipointer.h"
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#include "dixstruct.h"
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#include "propertyst.h"
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#include <Xatom.h>
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#include <errno.h>
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#include <sys/param.h>
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#include "dix.h"
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#include <X11/keysym.h>
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#include "dixfontstr.h"
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#include "osdep.h"
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#include "fontstruct.h"
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#include <cursorstr.h>
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#include "picturestr.h"
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#include <netinet/tcp.h>
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/* test to see if this is xorg source or xfree86 */
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#ifdef XORGSERVER
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# define RDP_IS_XORG
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#else
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# include <xf86Version.h>
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# if (XF86_VERSION_MAJOR == 4 && XF86_VERSION_MINOR > 3)
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# define RDP_IS_XFREE86
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# elif (XF86_VERSION_MAJOR > 4)
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# define RDP_IS_XFREE86
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# else
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# define RDP_IS_XORG
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# endif
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#endif
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/* Per-screen (framebuffer) structure. There is only one of these, since we
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don't allow the X server to have multiple screens. */
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typedef struct
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{
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int width;
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int paddedWidthInBytes;
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int height;
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int depth;
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int bitsPerPixel;
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int sizeInBytes;
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char* pfbMemory;
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Pixel blackPixel;
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Pixel whitePixel;
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/* wrapped screen functions */
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/* Random screen procedures */
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CloseScreenProcPtr CloseScreen;
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/* GC procedures */
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CreateGCProcPtr CreateGC;
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/* Window Procedures */
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PaintWindowBackgroundProcPtr PaintWindowBackground;
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PaintWindowBorderProcPtr PaintWindowBorder;
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CopyWindowProcPtr CopyWindow;
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ClearToBackgroundProcPtr ClearToBackground;
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ScreenWakeupHandlerProcPtr WakeupHandler;
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CompositeProcPtr Composite;
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/* Backing store procedures */
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RestoreAreasProcPtr RestoreAreas;
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/*InstallColormapProcPtr InstallColormap;*/
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} rdpScreenInfo;
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typedef rdpScreenInfo* rdpScreenInfoPtr;
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typedef struct
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{
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GCFuncs* funcs;
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GCOps* ops;
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} rdpGCRec;
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typedef rdpGCRec* rdpGCPtr;
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/* rdpmisc.c */
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void
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rdpLog(char *format, ...);
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int
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rdpBitsPerPixel(int depth);
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void
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rdpClientStateChange(CallbackListPtr* cbl, pointer myData, pointer clt);
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int
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g_tcp_recv(int sck, void* ptr, int len, int flags);
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void
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g_tcp_close(int sck);
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int
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g_tcp_last_error_would_block(int sck);
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void
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g_sleep(int msecs);
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int
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g_tcp_send(int sck, void* ptr, int len, int flags);
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void*
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g_malloc(int size, int zero);
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void
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g_free(void* ptr);
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void
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g_sprintf(char* dest, char* format, ...);
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int
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g_tcp_socket(void);
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void
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g_memcpy(void* d_ptr, const void* s_ptr, int size);
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int
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g_tcp_set_no_delay(int sck);
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int
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g_tcp_set_non_blocking(int sck);
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int
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g_tcp_accept(int sck);
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int
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g_tcp_select(int sck1, int sck2);
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int
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g_tcp_bind(int sck, char* port);
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int
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g_tcp_listen(int sck);
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/* rdpdraw.c */
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Bool
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rdpCloseScreen(int i, ScreenPtr pScreen);
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Bool
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rdpCreateGC(GCPtr pGC);
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void
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rdpPaintWindowBackground(WindowPtr pWin, RegionPtr pRegion, int what);
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void
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rdpPaintWindowBorder(WindowPtr pWin, RegionPtr pRegion, int what);
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void
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rdpCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr pOldRegion);
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void
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rdpClearToBackground(WindowPtr pWin, int x, int y, int w, int h,
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Bool generateExposures);
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RegionPtr
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rdpRestoreAreas(WindowPtr pWin, RegionPtr prgnExposed);
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void
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rdpInstallColormap(ColormapPtr pmap);
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void
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rdpUninstallColormap(ColormapPtr pmap);
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int
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rdpListInstalledColormaps(ScreenPtr pScreen, Colormap* pmaps);
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void
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rdpStoreColors(ColormapPtr pmap, int ndef, xColorItem* pdefs);
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Bool
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rdpSaveScreen(ScreenPtr pScreen, int on);
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Bool
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rdpRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
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Bool
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rdpUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
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void
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rdpCursorLimits(ScreenPtr pScreen, CursorPtr pCursor,
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BoxPtr pHotBox, BoxPtr pTopLeftBox);
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void
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rdpConstrainCursor(ScreenPtr pScreen, BoxPtr pBox);
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Bool
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rdpSetCursorPosition(ScreenPtr pScreen, int x, int y, Bool generateEvent);
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Bool
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rdpDisplayCursor(ScreenPtr pScreen, CursorPtr pCursor);
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void
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rdpRecolorCursor(ScreenPtr pScreen, CursorPtr pCursor,
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Bool displayed);
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void
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rdpComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
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INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask, INT16 xDst,
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INT16 yDst, CARD16 width, CARD16 height);
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/* rdpkbdptr.c */
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int
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rdpKeybdProc(DeviceIntPtr pDevice, int onoff);
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int
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rdpMouseProc(DeviceIntPtr pDevice, int onoff);
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Bool
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rdpCursorOffScreen(ScreenPtr* ppScreen, int* x, int* y);
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void
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rdpCrossScreen(ScreenPtr pScreen, Bool entering);
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Bool
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rdpSpriteRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
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Bool
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rdpSpriteUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
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void
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rdpSpriteSetCursor(ScreenPtr pScreen, CursorPtr pCursor, int x, int y);
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void
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rdpSpriteMoveCursor(ScreenPtr pScreen, int x, int y);
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void
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PtrAddEvent(int buttonMask, int x, int y);
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void
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KbdAddEvent(int down, int param1, int param2, int param3, int param4);
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/* rdpup.c */
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int
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rdpup_init(void);
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int
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rdpup_check(void);
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int
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rdpup_begin_update(void);
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int
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rdpup_end_update(void);
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int
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rdpup_fill_rect(short x, short y, int cx, int cy);
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int
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rdpup_screen_blt(short x, short y, int cx, int cy, short srcx, short srcy);
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int
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rdpup_set_clip(short x, short y, int cx, int cy);
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int
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rdpup_reset_clip(void);
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int
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rdpup_set_fgcolor(int fgcolor);
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int
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rdpup_set_bgcolor(int bgcolor);
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int
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rdpup_set_opcode(int opcode);
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int
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rdpup_paint_rect(short x, short y, int cx, int cy,
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char* bmpdata, int width, int height,
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short srcx, short srcy);
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int
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rdpup_set_pen(int style, int width);
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int
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rdpup_draw_line(short x1, short y1, short x2, short y2);
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void
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rdpup_send_area(int x, int y, int w, int h);
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#if defined(__sparc__) || defined(__PPC__)
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#define B_ENDIAN
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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#define L_ENDIAN
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#elif __BYTE_ORDER == __BIG_ENDIAN
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#define B_ENDIAN
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#endif
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/* check if we need to align data */
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#if defined(__sparc__) || defined(__alpha__) || defined(__hppa__) || \
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defined(__AIX__) || defined(__PPC__) || defined(__mips__) || \
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defined(__ia64__)
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#define NEED_ALIGN
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#endif
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/* parser state */
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struct stream
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{
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char* p;
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char* end;
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char* data;
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int size;
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/* offsets of various headers */
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char* iso_hdr;
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char* mcs_hdr;
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char* sec_hdr;
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char* rdp_hdr;
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char* channel_hdr;
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char* next_packet;
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};
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/******************************************************************************/
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#define s_push_layer(s, h, n) \
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{ \
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(s)->h = (s)->p; \
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(s)->p += (n); \
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}
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/******************************************************************************/
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#define s_pop_layer(s, h) \
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{ \
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(s)->p = (s)->h; \
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}
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/******************************************************************************/
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#if defined(B_ENDIAN) || defined(NEED_ALIGN)
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#define out_uint16_le(s, v) \
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{ \
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*((s)->p) = (unsigned char)((v) >> 0); \
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(s)->p++; \
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*((s)->p) = (unsigned char)((v) >> 8); \
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(s)->p++; \
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}
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#else
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#define out_uint16_le(s, v) \
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{ \
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*((unsigned short*)((s)->p)) = (unsigned short)(v); \
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(s)->p += 2; \
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}
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#endif
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/******************************************************************************/
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#define init_stream(s, v) \
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{ \
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if ((v) > (s)->size) \
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{ \
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g_free((s)->data); \
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(s)->data = (char*)g_malloc((v), 0); \
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(s)->size = (v); \
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} \
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(s)->p = (s)->data; \
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(s)->end = (s)->data; \
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(s)->next_packet = 0; \
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}
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/******************************************************************************/
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#define out_uint8p(s, v, n) \
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{ \
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g_memcpy((s)->p, (v), (n)); \
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(s)->p += (n); \
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}
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/******************************************************************************/
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#define out_uint8a(s, v, n) \
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{ \
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out_uint8p((s), (v), (n)); \
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}
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/******************************************************************************/
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#if defined(B_ENDIAN) || defined(NEED_ALIGN)
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#define out_uint32_le(s, v) \
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{ \
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*((s)->p) = (unsigned char)((v) >> 0); \
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(s)->p++; \
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*((s)->p) = (unsigned char)((v) >> 8); \
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(s)->p++; \
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*((s)->p) = (unsigned char)((v) >> 16); \
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(s)->p++; \
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*((s)->p) = (unsigned char)((v) >> 24); \
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(s)->p++; \
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}
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#else
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#define out_uint32_le(s, v) \
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{ \
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*((unsigned int*)((s)->p)) = (v); \
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(s)->p += 4; \
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}
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#endif
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/******************************************************************************/
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#if defined(B_ENDIAN) || defined(NEED_ALIGN)
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#define in_uint32_le(s, v) \
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{ \
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(v) = (unsigned int) \
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( \
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(*((unsigned char*)((s)->p + 0)) << 0) | \
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(*((unsigned char*)((s)->p + 1)) << 8) | \
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(*((unsigned char*)((s)->p + 2)) << 16) | \
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(*((unsigned char*)((s)->p + 3)) << 24) \
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); \
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(s)->p += 4; \
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}
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#else
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#define in_uint32_le(s, v) \
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{ \
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(v) = *((unsigned int*)((s)->p)); \
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(s)->p += 4; \
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}
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#endif
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/******************************************************************************/
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#if defined(B_ENDIAN) || defined(NEED_ALIGN)
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#define in_uint16_le(s, v) \
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{ \
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(v) = (unsigned short) \
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( \
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(*((unsigned char*)((s)->p + 0)) << 0) | \
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(*((unsigned char*)((s)->p + 1)) << 8) \
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); \
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(s)->p += 2; \
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}
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#else
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#define in_uint16_le(s, v) \
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{ \
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(v) = *((unsigned short*)((s)->p)); \
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(s)->p += 2; \
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}
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#endif
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/******************************************************************************/
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#define s_mark_end(s) \
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{ \
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(s)->end = (s)->p; \
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}
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/******************************************************************************/
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#define make_stream(s) \
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{ \
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(s) = (struct stream*)g_malloc(sizeof(struct stream), 1); \
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}
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