1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* 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 OpenSimulator 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;
using System.Collections.Generic;
using System.Reflection;
using System.Net;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Server.Base;
using OpenSim.Services.Interfaces;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Server.Handlers.Base;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
using OpenMetaverse;
using log4net;
using Nwc.XmlRpc;
namespace OpenSim.Server.Handlers.Grid
{
public class HypergridServiceInConnector : ServiceConnector
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private List<GridRegion> m_RegionsOnSim = new List<GridRegion>();
private IHyperlinkService m_HyperlinkService;
public HypergridServiceInConnector(IConfigSource config, IHttpServer server, IHyperlinkService hyperService) :
base(config, server, String.Empty)
{
m_HyperlinkService = hyperService;
server.AddXmlRPCHandler("link_region", LinkRegionRequest, false);
server.AddXmlRPCHandler("expect_hg_user", ExpectHGUser, false);
}
public void AddRegion(GridRegion rinfo)
{
m_RegionsOnSim.Add(rinfo);
}
public void RemoveRegion(GridRegion rinfo)
{
if (m_RegionsOnSim.Contains(rinfo))
m_RegionsOnSim.Remove(rinfo);
}
/// <summary>
/// Someone wants to link to us
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public XmlRpcResponse LinkRegionRequest(XmlRpcRequest request, IPEndPoint remoteClient)
{
Hashtable requestData = (Hashtable)request.Params[0];
//string host = (string)requestData["host"];
//string portstr = (string)requestData["port"];
string name = (string)requestData["region_name"];
m_log.DebugFormat("[HGrid]: Hyperlink request");
GridRegion regInfo = null;
foreach (GridRegion r in m_RegionsOnSim)
{
if ((r.RegionName != null) && (name != null) && (r.RegionName.ToLower() == name.ToLower()))
{
regInfo = r;
break;
}
}
if (regInfo == null)
regInfo = m_RegionsOnSim[0]; // Send out the first region
Hashtable hash = new Hashtable();
hash["uuid"] = regInfo.RegionID.ToString();
m_log.Debug(">> Here " + regInfo.RegionID);
hash["handle"] = regInfo.RegionHandle.ToString();
hash["region_image"] = regInfo.TerrainImage.ToString();
hash["region_name"] = regInfo.RegionName;
hash["internal_port"] = regInfo.InternalEndPoint.Port.ToString();
//m_log.Debug(">> Here: " + regInfo.InternalEndPoint.Port);
XmlRpcResponse response = new XmlRpcResponse();
response.Value = hash;
return response;
}
/// <summary>
/// Received from other HGrid nodes when a user wants to teleport here. This call allows
/// the region to prepare for direct communication from the client. Sends back an empty
/// xmlrpc response on completion.
/// This is somewhat similar to OGS1's ExpectUser, but with the additional task of
/// registering the user in the local user cache.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public XmlRpcResponse ExpectHGUser(XmlRpcRequest request, IPEndPoint remoteClient)
{
Hashtable requestData = (Hashtable)request.Params[0];
ForeignUserProfileData userData = new ForeignUserProfileData();
userData.FirstName = (string)requestData["firstname"];
userData.SurName = (string)requestData["lastname"];
userData.ID = new UUID((string)requestData["agent_id"]);
UUID sessionID = new UUID((string)requestData["session_id"]);
userData.HomeLocation = new Vector3((float)Convert.ToDecimal((string)requestData["startpos_x"]),
(float)Convert.ToDecimal((string)requestData["startpos_y"]),
(float)Convert.ToDecimal((string)requestData["startpos_z"]));
userData.UserServerURI = (string)requestData["userserver_id"];
userData.UserAssetURI = (string)requestData["assetserver_id"];
userData.UserInventoryURI = (string)requestData["inventoryserver_id"];
m_log.DebugFormat("[HGrid]: Prepare for connection from {0} {1} (@{2}) UUID={3}",
userData.FirstName, userData.SurName, userData.UserServerURI, userData.ID);
ulong userRegionHandle = 0;
int userhomeinternalport = 0;
if (requestData.ContainsKey("region_uuid"))
{
UUID uuid = UUID.Zero;
UUID.TryParse((string)requestData["region_uuid"], out uuid);
userData.HomeRegionID = uuid;
userRegionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
userData.UserHomeAddress = (string)requestData["home_address"];
userData.UserHomePort = (string)requestData["home_port"];
userhomeinternalport = Convert.ToInt32((string)requestData["internal_port"]);
m_log.Debug("[HGrid]: home_address: " + userData.UserHomeAddress +
"; home_port: " + userData.UserHomePort);
}
else
m_log.WarnFormat("[HGrid]: User has no home region information");
XmlRpcResponse resp = new XmlRpcResponse();
// Let's check if someone is trying to get in with a stolen local identity.
// The need for this test is a consequence of not having truly global names :-/
bool comingHome = false;
if (m_HyperlinkService.CheckUserAtEntry(userData.ID, sessionID, out comingHome) == false)
{
m_log.WarnFormat("[HGrid]: Access denied to foreign user.");
Hashtable respdata = new Hashtable();
respdata["success"] = "FALSE";
respdata["reason"] = "Foreign user has the same ID as a local user, or logins disabled.";
resp.Value = respdata;
return resp;
}
// Finally, everything looks ok
//m_log.Debug("XXX---- EVERYTHING OK ---XXX");
if (!comingHome)
{
// We don't do this if the user is coming to the home grid
GridRegion home = new GridRegion();
home.RegionID = userData.HomeRegionID;
home.ExternalHostName = userData.UserHomeAddress;
home.HttpPort = Convert.ToUInt32(userData.UserHomePort);
uint x = 0, y = 0;
Utils.LongToUInts(userRegionHandle, out x, out y);
home.RegionLocX = (int)x;
home.RegionLocY = (int)y;
home.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)userhomeinternalport);
m_HyperlinkService.AcceptUser(userData, home);
}
// else the user is coming to a non-home region of the home grid
// We simply drop this user information altogether
Hashtable respdata2 = new Hashtable();
respdata2["success"] = "TRUE";
resp.Value = respdata2;
return resp;
}
}
}
|
