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thanks lulurun for a security patch that blocks unathorized access to the inventory server (see http://opensimulator.org/wiki/Security_vulnerability_brought_by_non-check_inventory_service)

0.6.0-stable
Johan Berntsson 2008-07-23 06:59:02 +00:00
parent f9e2f41d7c
commit 344c9caeb6
10 changed files with 156 additions and 28 deletions
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24
OpenSim/Framework/Communications/Cache/CachedUserInfo.cs
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@ -87,6 +87,9 @@ namespace OpenSim.Framework.Communications.Cache
private IDictionary<LLUUID, IList<InventoryFolderImpl>> pendingCategorizationFolders
= new Dictionary<LLUUID, IList<InventoryFolderImpl>>();
private LLUUID m_session_id = LLUUID.Zero;
public LLUUID SessionID { get { return m_session_id; } }
/// <summary>
/// Constructor
/// </summary>
@ -98,6 +101,13 @@ namespace OpenSim.Framework.Communications.Cache
m_userProfile = userProfile;
}
public CachedUserInfo(CommunicationsManager commsManager, UserProfileData userProfile, IClientAPI remoteClient)
{
m_commsManager = commsManager;
m_userProfile = userProfile;
m_session_id = remoteClient.SessionId;
}
/// <summary>
/// This allows a request to be added to be processed once we receive a user's inventory
/// from the inventory service. If we already have the inventory, the request
@ -325,7 +335,7 @@ namespace OpenSim.Framework.Communications.Cache
createdBaseFolder.Type = createdFolder.Type;
createdBaseFolder.Version = createdFolder.Version;
m_commsManager.InventoryService.AddFolder(createdBaseFolder);
m_commsManager.SecureInventoryService.AddFolder(createdBaseFolder, m_session_id);
return true;
}
@ -379,7 +389,7 @@ namespace OpenSim.Framework.Communications.Cache
baseFolder.Type = (short)type;
baseFolder.Version = RootFolder.Version;
m_commsManager.InventoryService.UpdateFolder(baseFolder);
m_commsManager.SecureInventoryService.UpdateFolder(baseFolder, m_session_id);
InventoryFolderImpl folder = RootFolder.FindFolder(folderID);
if (folder != null)
@ -421,7 +431,7 @@ namespace OpenSim.Framework.Communications.Cache
baseFolder.ID = folderID;
baseFolder.ParentID = parentID;
m_commsManager.InventoryService.MoveFolder(baseFolder);
m_commsManager.SecureInventoryService.MoveFolder(baseFolder, m_session_id);
InventoryFolderImpl folder = RootFolder.FindFolder(folderID);
if (folder != null)
@ -468,7 +478,7 @@ namespace OpenSim.Framework.Communications.Cache
purgedBaseFolder.Type = purgedFolder.Type;
purgedBaseFolder.Version = purgedFolder.Version;
m_commsManager.InventoryService.PurgeFolder(purgedBaseFolder);
m_commsManager.SecureInventoryService.PurgeFolder(purgedBaseFolder, m_session_id);
purgedFolder.Purge();
@ -505,7 +515,7 @@ namespace OpenSim.Framework.Communications.Cache
item.Folder = RootFolder.ID;
}
ItemReceive(item);
m_commsManager.InventoryService.AddItem(item);
m_commsManager.SecureInventoryService.AddItem(item, m_session_id);
}
else
{
@ -525,7 +535,7 @@ namespace OpenSim.Framework.Communications.Cache
{
if (HasInventory)
{
m_commsManager.InventoryService.UpdateItem(item);
m_commsManager.SecureInventoryService.UpdateItem(item, m_session_id);
}
else
{
@ -564,7 +574,7 @@ namespace OpenSim.Framework.Communications.Cache
if (RootFolder.DeleteItem(item.ID))
{
return m_commsManager.InventoryService.DeleteItem(item);
return m_commsManager.SecureInventoryService.DeleteItem(item, m_session_id);
}
}
else

29
OpenSim/Framework/Communications/Cache/UserProfileCacheService.cs
View File

@ -59,6 +59,33 @@ namespace OpenSim.Framework.Communications.Cache
m_commsManager = commsManager;
}
/// <summary>
/// A new user has moved into a region in this instance so retrieve their profile from the user service.
/// </summary>
/// <param name="userID"></param>
public void AddNewUser(IClientAPI remoteClient)
{
// Potential fix - Multithreading issue.
lock (m_userProfiles)
{
if (!m_userProfiles.ContainsKey(remoteClient.AgentId))
{
UserProfileData userProfile = m_commsManager.UserService.GetUserProfile(remoteClient.AgentId);
CachedUserInfo userInfo = new CachedUserInfo(m_commsManager, userProfile, remoteClient);
if (userInfo.UserProfile != null)
{
// The inventory for the user will be populated when they actually enter the scene
m_userProfiles.Add(remoteClient.AgentId, userInfo);
}
else
{
m_log.ErrorFormat("[USER CACHE]: User profile for user {0} not found.", remoteClient.AgentId);
}
}
}
}
/// <summary>
/// A new user has moved into a region in this instance so retrieve their profile from the user service.
/// </summary>
@ -119,7 +146,7 @@ namespace OpenSim.Framework.Communications.Cache
CachedUserInfo userInfo = GetUserDetails(userID);
if (userInfo != null)
{
m_commsManager.InventoryService.RequestInventoryForUser(userID, userInfo.InventoryReceive);
m_commsManager.SecureInventoryService.RequestInventoryForUser(userID, userInfo.SessionID, userInfo.InventoryReceive);
//IInventoryServices invService = userInfo.GetInventoryService();
//if (invService != null)
//{

6
OpenSim/Framework/Communications/CommunicationsManager.cs
View File

@ -112,6 +112,12 @@ namespace OpenSim.Framework.Communications
protected List<IInventoryServices> m_inventoryServices = new List<IInventoryServices>();
// protected IInventoryServices m_inventoryService;
protected ISecureInventoryService m_secureinventoryServices;
public ISecureInventoryService SecureInventoryService
{
get { return m_secureinventoryServices; }
}
public IInventoryServices InventoryService
{

41
OpenSim/Grid/InventoryServer/GridInventoryService.cs
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@ -26,12 +26,15 @@
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using System.Threading;
using System.Net;
using libsecondlife;
using log4net;
using Nwc.XmlRpc;
using OpenSim.Framework;
using OpenSim.Framework.Communications;
@ -46,6 +49,44 @@ namespace OpenSim.Grid.InventoryServer
private static readonly ILog m_log
= LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private string m_userserver_url;
public GridInventoryService(string userserver_url)
{
m_userserver_url = userserver_url;
}
public bool CheckTrustSource(IPEndPoint peer)
{
m_log.InfoFormat("[GRID AGENT INVENTORY]: checking trusted source {0}", peer.ToString());
UriBuilder ub = new UriBuilder(m_userserver_url);
if (ub.Host == peer.Address.ToString())
{
return true;
}
return false;
}
public bool CheckAuthSession(string session_id, string avatar_id)
{
m_log.InfoFormat("[GRID AGENT INVENTORY]: checking authed session {0} {1}", session_id, avatar_id);
Hashtable requestData = new Hashtable();
requestData["avatar_uuid"] = avatar_id;
requestData["session_id"] = session_id;
ArrayList SendParams = new ArrayList();
SendParams.Add(requestData);
XmlRpcRequest UserReq = new XmlRpcRequest("check_auth_session", SendParams);
XmlRpcResponse UserResp = UserReq.Send(m_userserver_url, 3000);
Hashtable responseData = (Hashtable)UserResp.Value;
if (responseData.ContainsKey("auth_session") && responseData["auth_session"].ToString() == "TRUE")
{
return true;
}
return false;
}
public override void RequestInventoryForUser(LLUUID userID, InventoryReceiptCallback callback)
{
}

39
OpenSim/Grid/InventoryServer/Main.cs
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@ -70,7 +70,8 @@ namespace OpenSim.Grid.InventoryServer
m_config = new InventoryConfig(LogName, (Path.Combine(Util.configDir(), "InventoryServer_Config.xml")));
m_inventoryService = new GridInventoryService();
//m_inventoryService = new GridInventoryService();
m_inventoryService = new GridInventoryService(m_config.UserServerURL);
m_inventoryService.AddPlugin(m_config.DatabaseProvider, m_config.DatabaseConnect);
m_log.Info("[" + LogName + "]: Starting HTTP server ...");
@ -85,36 +86,36 @@ namespace OpenSim.Grid.InventoryServer
protected void AddHttpHandlers()
{
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<Guid, InventoryCollection>(
"POST", "/GetInventory/", m_inventoryService.GetUserInventory));
new RestDeserialiseSecureHandler<Guid, InventoryCollection>(
"POST", "/GetInventory/", m_inventoryService.GetUserInventory, m_inventoryService.CheckAuthSession));
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<Guid, bool>(
"POST", "/CreateInventory/", m_inventoryService.CreateUsersInventory));
new RestDeserialiseTrustedHandler<Guid, bool>(
"POST", "/CreateInventory/", m_inventoryService.CreateUsersInventory, m_inventoryService.CheckTrustSource));
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<InventoryFolderBase, bool>(
"POST", "/NewFolder/", m_inventoryService.AddFolder));
new RestDeserialiseSecureHandler<InventoryFolderBase, bool>(
"POST", "/NewFolder/", m_inventoryService.AddFolder, m_inventoryService.CheckAuthSession));
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<InventoryFolderBase, bool>(
"POST", "/UpdateFolder/", m_inventoryService.UpdateFolder));
new RestDeserialiseSecureHandler<InventoryFolderBase, bool>(
"POST", "/UpdateFolder/", m_inventoryService.UpdateFolder, m_inventoryService.CheckAuthSession));
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<InventoryFolderBase, bool>(
"POST", "/MoveFolder/", m_inventoryService.MoveFolder));
new RestDeserialiseSecureHandler<InventoryFolderBase, bool>(
"POST", "/MoveFolder/", m_inventoryService.MoveFolder, m_inventoryService.CheckAuthSession));
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<InventoryFolderBase, bool>(
"POST", "/PurgeFolder/", m_inventoryService.PurgeFolder));
new RestDeserialiseSecureHandler<InventoryFolderBase, bool>(
"POST", "/PurgeFolder/", m_inventoryService.PurgeFolder, m_inventoryService.CheckAuthSession));
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<InventoryItemBase, bool>(
"POST", "/NewItem/", m_inventoryService.AddItem));
new RestDeserialiseSecureHandler<InventoryItemBase, bool>(
"POST", "/NewItem/", m_inventoryService.AddItem, m_inventoryService.CheckAuthSession));
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<InventoryItemBase, bool>(
"POST", "/DeleteItem/", m_inventoryService.DeleteItem));
new RestDeserialiseSecureHandler<InventoryItemBase, bool>(
"POST", "/DeleteItem/", m_inventoryService.DeleteItem, m_inventoryService.CheckAuthSession));
// WARNING: Root folders no longer just delivers the root and immediate child folders (e.g
// system folders such as Objects, Textures), but it now returns the entire inventory skeleton.
@ -122,8 +123,8 @@ namespace OpenSim.Grid.InventoryServer
// (e.g. any http request not found is automatically treated as an xmlrpc request) make it easier
// to do this for now.
m_httpServer.AddStreamHandler(
new RestDeserialiseHandler<Guid, List<InventoryFolderBase>>
("POST", "/RootFolders/", m_inventoryService.GetInventorySkeleton));
new RestDeserialiseTrustedHandler<Guid, List<InventoryFolderBase>>
("POST", "/RootFolders/", m_inventoryService.GetInventorySkeleton, m_inventoryService.CheckTrustSource));
}
private void Work()

1
OpenSim/Grid/UserServer/Main.cs
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@ -142,6 +142,7 @@ namespace OpenSim.Grid.UserServer
m_httpServer.AddXmlRPCHandler("update_user_current_region", m_userManager.XmlRPCAtRegion);
m_httpServer.AddXmlRPCHandler("logout_of_simulator", m_userManager.XmlRPCLogOffUserMethodUUID);
m_httpServer.AddXmlRPCHandler("get_agent_by_uuid", m_userManager.XmlRPCGetAgentMethodUUID);
m_httpServer.AddXmlRPCHandler("check_auth_session", m_userManager.XmlRPCCheckAuthSession);
// Message Server ---> User Server
m_httpServer.AddXmlRPCHandler("register_messageserver", m_messagesService.XmlRPCRegisterMessageServer);
m_httpServer.AddXmlRPCHandler("agent_change_region", m_messagesService.XmlRPCUserMovedtoRegion);

39
OpenSim/Grid/UserServer/UserManager.cs
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@ -457,6 +457,45 @@ namespace OpenSim.Grid.UserServer
return response;
}
public XmlRpcResponse XmlRPCCheckAuthSession(XmlRpcRequest request)
{
XmlRpcResponse response = new XmlRpcResponse();
Hashtable requestData = (Hashtable)request.Params[0];
UserProfileData userProfile;
string authed = "FALSE";
if (requestData.Contains("avatar_uuid") && requestData.Contains("session_id"))
{
LLUUID guess_aid = LLUUID.Zero;
LLUUID guess_sid = LLUUID.Zero;
Helpers.TryParse((string)requestData["avatar_uuid"], out guess_aid);
if (guess_aid == LLUUID.Zero)
{
return CreateUnknownUserErrorResponse();
}
Helpers.TryParse((string)requestData["session_id"], out guess_sid);
if (guess_sid == LLUUID.Zero)
{
return CreateUnknownUserErrorResponse();
}
userProfile = GetUserProfile(guess_aid);
if (userProfile != null && userProfile.CurrentAgent != null && userProfile.CurrentAgent.SessionID == guess_sid)
{
authed = "TRUE";
}
m_log.InfoFormat("[UserManager]: CheckAuthSession TRUE for user {0}", guess_aid);
}
else
{
m_log.InfoFormat("[UserManager]: CheckAuthSession FALSE");
return CreateUnknownUserErrorResponse();
}
Hashtable responseData = new Hashtable();
responseData["auth_session"] = authed;
response.Value = responseData;
return response;
}
public XmlRpcResponse XmlRpcResponseXmlRPCUpdateUserProfile(XmlRpcRequest request)
{

1
OpenSim/Region/Communications/OGS1/CommunicationsOGS1.cs
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@ -41,6 +41,7 @@ namespace OpenSim.Region.Communications.OGS1
m_gridService = gridInterComms;
m_interRegion = gridInterComms;
m_secureinventoryServices = new OGS1SecureInventoryService(serversInfo.InventoryURL);
OGS1InventoryService invService = new OGS1InventoryService(serversInfo.InventoryURL);
AddInventoryService(invService);
m_defaultInventoryHost = invService.Host;

3
OpenSim/Region/Environment/Scenes/Scene.cs
View File

@ -2019,7 +2019,8 @@ namespace OpenSim.Region.Environment.Scenes
{
m_log.Info("[REGION]: Add New Scene Presence");
CommsManager.UserProfileCacheService.AddNewUser(client.AgentId);
//CommsManager.UserProfileCacheService.AddNewUser(client.AgentId);
CommsManager.UserProfileCacheService.AddNewUser(client);
CreateAndAddScenePresence(client, child);
}

1
prebuild.xml
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@ -1772,6 +1772,7 @@
<Reference name="OpenSim.Framework.Servers"/>
<Reference name="libsecondlife.dll"/>
<Reference name="log4net.dll"/>
<Reference name="XMLRPC.dll"/>
<Files>
<Match pattern="*.cs" recurse="true"/>