134 lines
4.4 KiB
C
134 lines
4.4 KiB
C
/************************************************************
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Author: Eamon Walsh <ewalsh@tycho.nsa.gov>
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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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this permission notice appear in supporting documentation. This permission
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notice shall be included in all copies or substantial portions of the
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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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AUTHOR 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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#ifndef _XACE_H
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#define _XACE_H
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#ifdef XACE
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#define XACE_MAJOR_VERSION 2
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#define XACE_MINOR_VERSION 0
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#include "pixmap.h"
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#include "region.h"
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#include "window.h"
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#include "property.h"
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#include "selection.h"
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/* Default window background */
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#define XaceBackgroundNoneState(w) ((w)->forcedBG ? BackgroundPixel : None)
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/* security hooks */
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/* Constants used to identify the available security hooks
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*/
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#define XACE_CORE_DISPATCH 0
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#define XACE_EXT_DISPATCH 1
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#define XACE_RESOURCE_ACCESS 2
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#define XACE_DEVICE_ACCESS 3
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#define XACE_PROPERTY_ACCESS 4
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#define XACE_SEND_ACCESS 5
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#define XACE_RECEIVE_ACCESS 6
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#define XACE_CLIENT_ACCESS 7
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#define XACE_EXT_ACCESS 8
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#define XACE_SERVER_ACCESS 9
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#define XACE_SELECTION_ACCESS 10
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#define XACE_SCREEN_ACCESS 11
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#define XACE_SCREENSAVER_ACCESS 12
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#define XACE_AUTH_AVAIL 13
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#define XACE_KEY_AVAIL 14
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#define XACE_AUDIT_BEGIN 15
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#define XACE_AUDIT_END 16
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#define XACE_NUM_HOOKS 17
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extern _X_EXPORT CallbackListPtr XaceHooks[XACE_NUM_HOOKS];
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/* Entry point for hook functions. Called by Xserver.
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* Required by libdbe and libextmod
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*/
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extern _X_EXPORT int XaceHook(int /*hook */ ,
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... /*appropriate args for hook */
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);
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/* determine whether any callbacks are present for the XACE hook */
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extern _X_EXPORT int XaceHookIsSet(int hook);
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/* Special-cased hook functions
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*/
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extern _X_EXPORT int XaceHookDispatch(ClientPtr ptr, int major);
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extern _X_EXPORT int XaceHookPropertyAccess(ClientPtr ptr, WindowPtr pWin,
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PropertyPtr *ppProp,
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Mask access_mode);
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extern _X_EXPORT int XaceHookSelectionAccess(ClientPtr ptr, Selection ** ppSel,
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Mask access_mode);
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extern _X_EXPORT void XaceHookAuditEnd(ClientPtr ptr, int result);
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/* Register a callback for a given hook.
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*/
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#define XaceRegisterCallback(hook,callback,data) \
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AddCallback(XaceHooks+(hook), callback, data)
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/* Unregister an existing callback for a given hook.
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*/
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#define XaceDeleteCallback(hook,callback,data) \
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DeleteCallback(XaceHooks+(hook), callback, data)
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/* XTrans wrappers for use by security modules
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*/
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extern _X_EXPORT int XaceGetConnectionNumber(ClientPtr ptr);
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extern _X_EXPORT int XaceIsLocal(ClientPtr ptr);
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/* From the original Security extension...
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*/
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extern _X_EXPORT void XaceCensorImage(ClientPtr client,
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RegionPtr pVisibleRegion,
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long widthBytesLine,
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DrawablePtr pDraw,
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int x, int y, int w, int h,
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unsigned int format, char *pBuf);
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#else /* XACE */
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/* Default window background */
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#define XaceBackgroundNoneState(w) None
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/* Define calls away when XACE is not being built. */
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#ifdef __GNUC__
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#define XaceHook(args...) Success
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#define XaceHookIsSet(args...) 0
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#define XaceHookDispatch(args...) Success
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#define XaceHookPropertyAccess(args...) Success
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#define XaceHookSelectionAccess(args...) Success
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#define XaceHookAuditEnd(args...) { ; }
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#define XaceCensorImage(args...) { ; }
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#else
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#define XaceHook(...) Success
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#define XaceHookIsSet(...) 0
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#define XaceHookDispatch(...) Success
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#define XaceHookPropertyAccess(...) Success
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#define XaceHookSelectionAccess(...) Success
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#define XaceHookAuditEnd(...) { ; }
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#define XaceCensorImage(...) { ; }
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#endif
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#endif /* XACE */
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#endif /* _XACE_H */
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