1 | /************************************************************
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2 |
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3 | Author: Eamon Walsh <[email protected]>
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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 | #define XACE_EXTENSION_NAME "XAccessControlExtension"
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24 | #define XACE_MAJOR_VERSION 1
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25 | #define XACE_MINOR_VERSION 0
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26 |
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27 | #include "pixmap.h" /* for DrawablePtr */
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28 | #include "regionstr.h" /* for RegionPtr */
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29 |
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30 | #define XaceNumberEvents 0
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31 | #define XaceNumberErrors 0
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32 |
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33 | /* security hooks */
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34 | /* Constants used to identify the available security hooks
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35 | */
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36 | #define XACE_CORE_DISPATCH 0
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37 | #define XACE_EXT_DISPATCH 1
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38 | #define XACE_RESOURCE_ACCESS 2
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39 | #define XACE_DEVICE_ACCESS 3
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40 | #define XACE_PROPERTY_ACCESS 4
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41 | #define XACE_DRAWABLE_ACCESS 5
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42 | #define XACE_MAP_ACCESS 6
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43 | #define XACE_BACKGRND_ACCESS 7
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44 | #define XACE_EXT_ACCESS 8
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45 | #define XACE_HOSTLIST_ACCESS 9
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46 | #define XACE_SITE_POLICY 10
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47 | #define XACE_DECLARE_EXT_SECURE 11
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48 | #define XACE_AUTH_AVAIL 12
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49 | #define XACE_KEY_AVAIL 13
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50 | #define XACE_WINDOW_INIT 14
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51 | #define XACE_AUDIT_BEGIN 15
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52 | #define XACE_AUDIT_END 16
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53 | #define XACE_NUM_HOOKS 17
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54 |
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55 | extern CallbackListPtr XaceHooks[XACE_NUM_HOOKS];
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56 |
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57 | /* Entry point for hook functions. Called by Xserver.
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58 | */
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59 | extern int XaceHook(
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60 | int /*hook*/,
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61 | ... /*appropriate args for hook*/
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62 | );
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63 |
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64 | /* Register a callback for a given hook.
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65 | */
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66 | #define XaceRegisterCallback(hook,callback,data) \
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67 | AddCallback(XaceHooks+(hook), callback, data)
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68 |
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69 | /* Unregister an existing callback for a given hook.
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70 | */
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71 | #define XaceDeleteCallback(hook,callback,data) \
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72 | DeleteCallback(XaceHooks+(hook), callback, data)
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73 |
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74 |
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75 | /* From the original Security extension...
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76 | */
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77 |
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78 | /* Hook return codes */
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79 | #define SecurityAllowOperation 0
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80 | #define SecurityIgnoreOperation 1
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81 | #define SecurityErrorOperation 2
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82 |
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83 | /* Proc vectors for untrusted clients, swapped and unswapped versions.
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84 | * These are the same as the normal proc vectors except that extensions
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85 | * that haven't declared themselves secure will have ProcBadRequest plugged
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86 | * in for their major opcode dispatcher. This prevents untrusted clients
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87 | * from guessing extension major opcodes and using the extension even though
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88 | * the extension can't be listed or queried.
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89 | */
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90 | extern int (*UntrustedProcVector[256])(ClientPtr client);
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91 | extern int (*SwappedUntrustedProcVector[256])(ClientPtr client);
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92 |
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93 | extern void XaceCensorImage(
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94 | ClientPtr client,
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95 | RegionPtr pVisibleRegion,
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96 | long widthBytesLine,
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97 | DrawablePtr pDraw,
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98 | int x, int y, int w, int h,
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99 | unsigned int format,
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100 | char * pBuf
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101 | );
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102 |
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103 | #endif /* _XACE_H */
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