clockwerk-opensim – Blame information for rev 1
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1 | vero | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.Reflection; |
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31 | using System.Text; |
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32 | using log4net; |
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33 | |||
34 | namespace OpenSim.Framework |
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35 | { |
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36 | public static class PermissionsUtil |
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37 | { |
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38 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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39 | |||
40 | /// <summary> |
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41 | /// Logs permissions flags. Useful when debugging permission problems. |
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42 | /// </summary> |
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43 | /// <param name="message"></param> |
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44 | public static void LogPermissions(String name, String message, uint basePerm, uint curPerm, uint nextPerm) |
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45 | { |
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46 | m_log.DebugFormat("Permissions of \"{0}\" at \"{1}\": Base {2} ({3:X4}), Current {4} ({5:X4}), NextOwner {6} ({7:X4})", |
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47 | name, message, |
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48 | PermissionsToString(basePerm), basePerm, PermissionsToString(curPerm), curPerm, PermissionsToString(nextPerm), nextPerm); |
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49 | } |
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50 | |||
51 | /// <summary> |
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52 | /// Converts a permissions bit-mask to a string (e.g., "MCT"). |
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53 | /// </summary> |
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54 | private static string PermissionsToString(uint perms) |
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55 | { |
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56 | string str = ""; |
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57 | if ((perms & (int)PermissionMask.Modify) != 0) |
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58 | str += "M"; |
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59 | if ((perms & (int)PermissionMask.Copy) != 0) |
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60 | str += "C"; |
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61 | if ((perms & (int)PermissionMask.Transfer) != 0) |
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62 | str += "T"; |
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63 | if (str == "") |
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64 | str = "."; |
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65 | return str; |
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66 | } |
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67 | |||
68 | /// <summary> |
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69 | /// Applies an object's folded permissions to its regular permissions. |
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70 | /// </summary> |
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71 | /// <param name="foldedPerms">The folded permissions. Only the lowest 7 bits are examined.</param> |
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72 | /// <param name="mainPerms">The permissions variable to modify.</param> |
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73 | public static void ApplyFoldedPermissions(uint foldedPerms, ref uint mainPerms) |
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74 | { |
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75 | if ((foldedPerms & 7) == 0) |
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76 | return; // assume that if the folded permissions are 0 then this means that they weren't actually recorded |
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77 | |||
78 | if ((foldedPerms & ((uint)PermissionMask.Copy >> 13)) == 0) |
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79 | mainPerms &= ~(uint)PermissionMask.Copy; |
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80 | if ((foldedPerms & ((uint)PermissionMask.Transfer >> 13)) == 0) |
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81 | mainPerms &= ~(uint)PermissionMask.Transfer; |
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82 | if ((foldedPerms & ((uint)PermissionMask.Modify >> 13)) == 0) |
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83 | mainPerms &= ~(uint)PermissionMask.Modify; |
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84 | } |
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85 | |||
86 | } |
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87 | } |