/* * Copyright (c) Contributors, http://opensimulator.org/ * See CONTRIBUTORS.TXT for a full list of copyright holders. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the OpenSim Project nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ using System; using System.Collections.Generic; using System.Data; using System.Security.Cryptography; using System.Text; using libsecondlife; using OpenSim.Framework; namespace OpenSim.Data.SQLite { /// <summary> /// A Grid Interface to the SQLite database /// </summary> public class SQLiteGridData : GridDataBase { /// <summary> /// A database manager /// </summary> private SQLiteManager database; /// <summary> /// Initialises the Grid Interface /// </summary> override public void Initialise(string connect) { database = new SQLiteManager(connect); } /// <summary> /// Shuts down the grid interface /// </summary> override public void Close() { database.Close(); } /// <summary> /// Returns the name of this grid interface /// </summary> /// <returns>A string containing the grid interface</returns> override public string getName() { return "SQLite OpenGridData"; } /// <summary> /// Returns the version of this grid interface /// </summary> /// <returns>A string containing the version</returns> override public string getVersion() { return "0.1"; } /// <summary> /// Returns a list of regions within the specified ranges /// </summary> /// <param name="a">minimum X coordinate</param> /// <param name="b">minimum Y coordinate</param> /// <param name="c">maximum X coordinate</param> /// <param name="d">maximum Y coordinate</param> /// <returns>An array of region profiles</returns> override public RegionProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d) { return null; } /// <summary> /// Returns a sim profile from it's location /// </summary> /// <param name="handle">Region location handle</param> /// <returns>Sim profile</returns> override public RegionProfileData GetProfileByHandle(ulong handle) { Dictionary<string, string> param = new Dictionary<string, string>(); param["handle"] = handle.ToString(); IDbCommand result = database.Query("SELECT * FROM regions WHERE handle = @handle", param); IDataReader reader = result.ExecuteReader(); RegionProfileData row = database.getRow(reader); reader.Close(); result.Dispose(); return row; } /// <summary> /// Returns a sim profile from it's Region name string /// </summary> /// <param name="regionName">The region name search query</param> /// <returns>The sim profile</returns> override public RegionProfileData GetProfileByString(string regionName) { if (regionName.Length > 2) { Dictionary<string, string> param = new Dictionary<string, string>(); // Add % because this is a like query. param["?regionName"] = regionName + "%"; // Only returns one record or no record. IDbCommand result = database.Query("SELECT * FROM regions WHERE regionName like ?regionName LIMIT 1", param); IDataReader reader = result.ExecuteReader(); RegionProfileData row = database.getRow(reader); reader.Close(); result.Dispose(); return row; } else { //m_log.Error("[DATABASE]: Searched for a Region Name shorter then 3 characters"); return null; } } /// <summary> /// Returns a sim profile from it's UUID /// </summary> /// <param name="uuid">The region UUID</param> /// <returns>The sim profile</returns> override public RegionProfileData GetProfileByLLUUID(LLUUID uuid) { Dictionary<string, string> param = new Dictionary<string, string>(); param["uuid"] = uuid.ToString(); IDbCommand result = database.Query("SELECT * FROM regions WHERE uuid = @uuid", param); IDataReader reader = result.ExecuteReader(); RegionProfileData row = database.getRow(reader); reader.Close(); result.Dispose(); return row; } /// <summary> /// // Returns a list of avatar and UUIDs that match the query /// </summary> public List<AvatarPickerAvatar> GeneratePickerResults(LLUUID queryID, string query) { //Do nothing yet List<AvatarPickerAvatar> returnlist = new List<AvatarPickerAvatar>(); return returnlist; } /// <summary> /// Adds a new specified region to the database /// </summary> /// <param name="profile">The profile to add</param> /// <returns>A dataresponse enum indicating success</returns> override public DataResponse AddProfile(RegionProfileData profile) { if (database.insertRow(profile)) { return DataResponse.RESPONSE_OK; } else { return DataResponse.RESPONSE_ERROR; } } override public DataResponse UpdateProfile(RegionProfileData profile) { return AddProfile(profile); } /// <summary> /// DEPRECATED. Attempts to authenticate a region by comparing a shared secret. /// </summary> /// <param name="uuid">The UUID of the challenger</param> /// <param name="handle">The attempted regionHandle of the challenger</param> /// <param name="authkey">The secret</param> /// <returns>Whether the secret and regionhandle match the database entry for UUID</returns> override public bool AuthenticateSim(LLUUID uuid, ulong handle, string authkey) { bool throwHissyFit = false; // Should be true by 1.0 if (throwHissyFit) throw new Exception("CRYPTOWEAK AUTHENTICATE: Refusing to authenticate due to replay potential."); RegionProfileData data = GetProfileByLLUUID(uuid); return (handle == data.regionHandle && authkey == data.regionSecret); } /// <summary> /// NOT YET FUNCTIONAL. Provides a cryptographic authentication of a region /// </summary> /// <remarks>This requires a security audit.</remarks> /// <param name="uuid"></param> /// <param name="handle"></param> /// <param name="authhash"></param> /// <param name="challenge"></param> /// <returns></returns> public bool AuthenticateSim(LLUUID uuid, ulong handle, string authhash, string challenge) { SHA512Managed HashProvider = new SHA512Managed(); Encoding TextProvider = new UTF8Encoding(); byte[] stream = TextProvider.GetBytes(uuid.ToString() + ":" + handle.ToString() + ":" + challenge); byte[] hash = HashProvider.ComputeHash(stream); return false; } override public ReservationData GetReservationAtPoint(uint x, uint y) { return null; } } }