| 1 | /************************************************************
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| 2 |
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| 3 | Author: Eamon Walsh <ewalsh@tycho.nsa.gov>
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| 4 |
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| 5 | Permission to use, copy, modify, distribute, and sell this software and its
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| 6 | documentation for any purpose is hereby granted without fee, provided that
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| 7 | this permission notice appear in supporting documentation. This permission
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| 8 | notice shall be included in all copies or substantial portions of the
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| 9 | Software.
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| 10 |
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| 11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 12 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 14 | AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 15 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 16 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 17 |
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| 18 | ********************************************************/
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| 19 |
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| 20 | #ifndef _XACE_H
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| 21 | #define _XACE_H
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| 22 |
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| 23 | #ifdef XACE
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| 24 |
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| 25 | #define XACE_MAJOR_VERSION 2
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| 26 | #define XACE_MINOR_VERSION 0
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| 27 |
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| 28 | #include "pixmap.h"
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| 29 | #include "region.h"
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| 30 | #include "window.h"
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| 31 | #include "property.h"
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| 32 | #include "selection.h"
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| 33 |
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| 34 | /* Default window background */
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| 35 | #define XaceBackgroundNoneState(w) ((w)->forcedBG ? BackgroundPixel : None)
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| 36 |
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| 37 | /* security hooks */
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| 38 | /* Constants used to identify the available security hooks
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| 39 | */
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| 40 | #define XACE_CORE_DISPATCH 0
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| 41 | #define XACE_EXT_DISPATCH 1
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| 42 | #define XACE_RESOURCE_ACCESS 2
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| 43 | #define XACE_DEVICE_ACCESS 3
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| 44 | #define XACE_PROPERTY_ACCESS 4
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| 45 | #define XACE_SEND_ACCESS 5
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| 46 | #define XACE_RECEIVE_ACCESS 6
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| 47 | #define XACE_CLIENT_ACCESS 7
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| 48 | #define XACE_EXT_ACCESS 8
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| 49 | #define XACE_SERVER_ACCESS 9
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| 50 | #define XACE_SELECTION_ACCESS 10
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| 51 | #define XACE_SCREEN_ACCESS 11
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| 52 | #define XACE_SCREENSAVER_ACCESS 12
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| 53 | #define XACE_AUTH_AVAIL 13
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| 54 | #define XACE_KEY_AVAIL 14
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| 55 | #define XACE_AUDIT_BEGIN 15
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| 56 | #define XACE_AUDIT_END 16
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| 57 | #define XACE_NUM_HOOKS 17
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| 58 |
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| 59 | extern _X_EXPORT CallbackListPtr XaceHooks[XACE_NUM_HOOKS];
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| 60 |
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| 61 | /* Entry point for hook functions. Called by Xserver.
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| 62 | * Required by libdbe and libextmod
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| 63 | */
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| 64 | extern _X_EXPORT int XaceHook(
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| 65 | int /*hook*/,
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| 66 | ... /*appropriate args for hook*/
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| 67 | );
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| 68 |
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| 69 | /* Special-cased hook functions
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| 70 | */
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| 71 | extern _X_EXPORT int XaceHookDispatch(ClientPtr ptr, int major);
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| 72 | extern _X_EXPORT int XaceHookPropertyAccess(ClientPtr ptr, WindowPtr pWin,
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| 73 | PropertyPtr *ppProp, Mask access_mode);
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| 74 | extern _X_EXPORT int XaceHookSelectionAccess(ClientPtr ptr,
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| 75 | Selection **ppSel, Mask access_mode);
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| 76 | extern _X_EXPORT void XaceHookAuditEnd(ClientPtr ptr, int result);
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| 77 |
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| 78 | /* Register a callback for a given hook.
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| 79 | */
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| 80 | #define XaceRegisterCallback(hook,callback,data) \
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| 81 | AddCallback(XaceHooks+(hook), callback, data)
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| 82 |
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| 83 | /* Unregister an existing callback for a given hook.
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| 84 | */
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| 85 | #define XaceDeleteCallback(hook,callback,data) \
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| 86 | DeleteCallback(XaceHooks+(hook), callback, data)
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| 87 |
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| 88 | /* XTrans wrappers for use by security modules
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| 89 | */
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| 90 | extern _X_EXPORT int XaceGetConnectionNumber(ClientPtr ptr);
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| 91 | extern _X_EXPORT int XaceIsLocal(ClientPtr ptr);
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| 92 |
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| 93 | /* From the original Security extension...
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| 94 | */
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| 95 |
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| 96 | extern _X_EXPORT void XaceCensorImage(
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| 97 | ClientPtr client,
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| 98 | RegionPtr pVisibleRegion,
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| 99 | long widthBytesLine,
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| 100 | DrawablePtr pDraw,
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| 101 | int x, int y, int w, int h,
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| 102 | unsigned int format,
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| 103 | char * pBuf
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| 104 | );
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| 105 |
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| 106 | #else /* XACE */
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| 107 |
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| 108 | /* Default window background */
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| 109 | #define XaceBackgroundNoneState(w) None
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| 110 |
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| 111 | /* Define calls away when XACE is not being built. */
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| 112 |
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| 113 | #ifdef __GNUC__
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| 114 | #define XaceHook(args...) Success
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| 115 | #define XaceHookDispatch(args...) Success
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| 116 | #define XaceHookPropertyAccess(args...) Success
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| 117 | #define XaceHookSelectionAccess(args...) Success
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| 118 | #define XaceHookAuditEnd(args...) { ; }
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| 119 | #define XaceCensorImage(args...) { ; }
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| 120 | #else
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| 121 | #define XaceHook(...) Success
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| 122 | #define XaceHookDispatch(...) Success
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| 123 | #define XaceHookPropertyAccess(...) Success
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| 124 | #define XaceHookSelectionAccess(...) Success
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| 125 | #define XaceHookAuditEnd(...) { ; }
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| 126 | #define XaceCensorImage(...) { ; }
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| 127 | #endif
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| 128 |
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| 129 | #endif /* XACE */
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| 130 |
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| 131 | #endif /* _XACE_H */
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