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