Add the ability for gods to impersonate users. For this, bit 6 needs to be

set in the target's UserFlags and the impersonator must have UserLevel 200
or above. The user can then log in using the target's name and their own
password.

8 files changed, 96 insertions, 8 deletions

diff --git a/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs b/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs
index edc1097..5980f0c 100644
--- a/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs
+++ b/OpenSim/Services/AuthenticationService/AuthenticationServiceBase.cs
@@ -31,6 +31,8 @@ using log4net;
 using Nini.Config;
 using System.Reflection;
 using OpenSim.Services.Base;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
 using OpenSim.Data;
 using OpenSim.Framework;
 
@@ -49,6 +51,12 @@ namespace OpenSim.Services.AuthenticationService
                 MethodBase.GetCurrentMethod().DeclaringType);
  
         protected IAuthenticationData m_Database;
+        protected IUserAccountService m_UserAccountService = null;
+
+        public AuthenticationServiceBase(IConfigSource config, IUserAccountService acct) : this(config)
+        {
+            m_UserAccountService = acct;
+        }
 
         public AuthenticationServiceBase(IConfigSource config) : base(config)
         {
diff --git a/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs b/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs
index 17619ff..cf7496f 100644
--- a/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs
+++ b/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs
@@ -51,6 +51,12 @@ namespace OpenSim.Services.AuthenticationService
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
  
+        public PasswordAuthenticationService(IConfigSource config, IUserAccountService userService) :
+                base(config, userService)
+        {
+            m_log.Debug("[AUTH SERVICE]: Started with User Account access");
+        }
+
         public PasswordAuthenticationService(IConfigSource config) :
                 base(config)
         {
@@ -58,28 +64,70 @@ namespace OpenSim.Services.AuthenticationService
 
         public string Authenticate(UUID principalID, string password, int lifetime)
         {
+            m_log.DebugFormat("[AUTH SERVICE]: Authenticating for {0}, user account service present: {1}", principalID, m_UserAccountService != null);
             AuthenticationData data = m_Database.Get(principalID);
+            UserAccount user = null;
+            if (m_UserAccountService != null)
+                user = m_UserAccountService.GetUserAccount(UUID.Zero, principalID);
+
+            if (data == null || data.Data == null)
+            {
+                m_log.DebugFormat("[AUTH SERVICE]: PrincipalID {0} or its data not found", principalID);
+                return String.Empty;
+            }
+
+            if (!data.Data.ContainsKey("passwordHash") ||
+                !data.Data.ContainsKey("passwordSalt"))
+            {
+                return String.Empty;
+            }
+
+            string hashed = Util.Md5Hash(password + ":" +
+                    data.Data["passwordSalt"].ToString());
+
+            m_log.DebugFormat("[PASS AUTH]: got {0}; hashed = {1}; stored = {2}", password, hashed, data.Data["passwordHash"].ToString());
 
-            if (data != null && data.Data != null)
+            if (data.Data["passwordHash"].ToString() == hashed)
             {
-                if (!data.Data.ContainsKey("passwordHash") ||
+                return GetToken(principalID, lifetime);
+            }
+
+            if (user == null)
+            {
+                m_log.DebugFormat("[PASS AUTH]: No user record for {0}", principalID);
+                return String.Empty;
+            }
+
+            int impersonateFlag = 1 << 6;
+
+            if ((user.UserFlags & impersonateFlag) == 0)
+                return String.Empty;
+
+            List<UserAccount> accounts = m_UserAccountService.GetUserAccountsWhere(UUID.Zero, "UserLevel >= 200");
+            if (accounts == null || accounts.Count == 0)
+                return String.Empty;
+
+            foreach (UserAccount a in accounts)
+            {
+                data = m_Database.Get(a.PrincipalID);
+                if (data == null || data.Data == null ||
+                    !data.Data.ContainsKey("passwordHash") ||
                     !data.Data.ContainsKey("passwordSalt"))
                 {
-                    return String.Empty;
+                    continue;
                 }
 
-                string hashed = Util.Md5Hash(password + ":" +
+                hashed = Util.Md5Hash(password + ":" +
                         data.Data["passwordSalt"].ToString());
 
-                m_log.DebugFormat("[PASS AUTH]: got {0}; hashed = {1}; stored = {2}", password, hashed, data.Data["passwordHash"].ToString());
-
                 if (data.Data["passwordHash"].ToString() == hashed)
                 {
+                    m_log.DebugFormat("[PASS AUTH]: {0} {1} impersonating {2}, proceeding with login", a.FirstName, a.LastName, principalID);
                     return GetToken(principalID, lifetime);
                 }
             }
 
-            m_log.DebugFormat("[AUTH SERVICE]: PrincipalID {0} or its data not found", principalID);
+            m_log.DebugFormat("[PASS AUTH]: Impersonation of {0} failed", principalID);
             return String.Empty;
         }
     }
diff --git a/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs b/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs
index d1a5b0f..6d9aae3 100644
--- a/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs
+++ b/OpenSim/Services/AuthenticationService/WebkeyAuthenticationService.cs
@@ -47,6 +47,11 @@ namespace OpenSim.Services.AuthenticationService
 //                LogManager.GetLogger(
 //                MethodBase.GetCurrentMethod().DeclaringType);
  
+        public WebkeyAuthenticationService(IConfigSource config, IUserAccountService userService) :
+                base(config, userService)
+        {
+        }
+
         public WebkeyAuthenticationService(IConfigSource config) :
                 base(config)
         {
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs
index 9c150ee..394c2b7 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianUserAccountServiceConnector.cs
@@ -191,6 +191,11 @@ namespace OpenSim.Services.Connectors.SimianGrid
             return accounts;
         }
 
+        public List<UserAccount> GetUserAccountsWhere(UUID scopeID, string query)
+        {
+            return null;
+        }
+
         public bool StoreUserAccount(UserAccount data)
         {
             m_log.InfoFormat("[SIMIAN ACCOUNT CONNECTOR]: Storing user account for " + data.Name);
diff --git a/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs b/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs
index 2a5df83..205a4aa 100644
--- a/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs
+++ b/OpenSim/Services/Connectors/UserAccounts/UserAccountServiceConnector.cs
@@ -187,6 +187,11 @@ namespace OpenSim.Services.Connectors
             return accounts;
         }
 
+        public List<UserAccount> GetUserAccountsWhere(UUID scopeID, string where)
+        {
+            return null; // Not implemented for regions
+        }
+
         public virtual bool StoreUserAccount(UserAccount data)
         {
             Dictionary<string, object> sendData = new Dictionary<string, object>();
diff --git a/OpenSim/Services/Interfaces/IUserAccountService.cs b/OpenSim/Services/Interfaces/IUserAccountService.cs
index c580078..2c09a2e 100644
--- a/OpenSim/Services/Interfaces/IUserAccountService.cs
+++ b/OpenSim/Services/Interfaces/IUserAccountService.cs
@@ -150,6 +150,7 @@ namespace OpenSim.Services.Interfaces
         /// <param name="query"></param>
         /// <returns></returns>
         List<UserAccount> GetUserAccounts(UUID scopeID, string query);
+        List<UserAccount> GetUserAccountsWhere(UUID scopeID, string where);
 
         /// <summary>
         /// Store the data given, wich replaces the stored data, therefore must be complete.
diff --git a/OpenSim/Services/LLLoginService/LLLoginService.cs b/OpenSim/Services/LLLoginService/LLLoginService.cs
index 35adf0f..b26cd6e 100644
--- a/OpenSim/Services/LLLoginService/LLLoginService.cs
+++ b/OpenSim/Services/LLLoginService/LLLoginService.cs
@@ -113,7 +113,8 @@ namespace OpenSim.Services.LLLoginService
             Object[] args = new Object[] { config };
             m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(accountService, args);
             m_GridUserService = ServerUtils.LoadPlugin<IGridUserService>(gridUserService, args);
-            m_AuthenticationService = ServerUtils.LoadPlugin<IAuthenticationService>(authService, args);
+            Object[] authArgs = new Object[] { config, m_UserAccountService };
+            m_AuthenticationService = ServerUtils.LoadPlugin<IAuthenticationService>(authService, authArgs);
             m_InventoryService = ServerUtils.LoadPlugin<IInventoryService>(invService, args);
 
             if (gridService != string.Empty)
diff --git a/OpenSim/Services/UserAccountService/UserAccountService.cs b/OpenSim/Services/UserAccountService/UserAccountService.cs
index f376cf8..de6d32c 100644
--- a/OpenSim/Services/UserAccountService/UserAccountService.cs
+++ b/OpenSim/Services/UserAccountService/UserAccountService.cs
@@ -282,6 +282,21 @@ namespace OpenSim.Services.UserAccountService
             return ret;
         }
 
+        public List<UserAccount> GetUserAccountsWhere(UUID scopeID, string where)
+        {
+            UserAccountData[] d = m_Database.GetUsersWhere(scopeID, where);
+
+            if (d == null)
+                return new List<UserAccount>();
+
+            List<UserAccount> ret = new List<UserAccount>();
+
+            foreach (UserAccountData data in d)
+                ret.Add(MakeUserAccount(data));
+
+            return ret;
+        }
+
         #endregion
 
         #region Console commands