1 files changed, 53 insertions, 11 deletions

diff --git a/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs b/OpenSim/Services/AuthenticationService/PasswordAuthenticationService.cs
index 48eb3f8..0d7ced9 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)
         {
@@ -58,32 +64,65 @@ 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)
+            if (data == null || data.Data == null)
             {
-                m_log.DebugFormat("[AUTH SERVICE]: PrincipalID {0} not found", principalID);
+                m_log.DebugFormat("[AUTH SERVICE]: PrincipalID {0} or its data not found", principalID);
                 return String.Empty;
             }
-            else if (data.Data == null)
+
+            if (!data.Data.ContainsKey("passwordHash") ||
+                !data.Data.ContainsKey("passwordSalt"))
             {
-                m_log.DebugFormat("[AUTH SERVICE]: PrincipalID {0} data not found", principalID);
                 return String.Empty;
             }
-            else if (!data.Data.ContainsKey("passwordHash") || !data.Data.ContainsKey("passwordSalt"))
+
+            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.Data["passwordHash"].ToString() == hashed)
+            {
+                return GetToken(principalID, lifetime);
+            }
+
+            if (user == null)
             {
-                m_log.DebugFormat(
-                    "[AUTH SERVICE]: PrincipalID {0} data didn't contain either passwordHash or passwordSalt", principalID);
+                m_log.DebugFormat("[PASS AUTH]: No user record for {0}", principalID);
                 return String.Empty;
             }
-            else
+
+            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)
             {
-                string hashed = Util.Md5Hash(password + ":" + data.Data["passwordSalt"].ToString());
+                data = m_Database.Get(a.PrincipalID);
+                if (data == null || data.Data == null ||
+                    !data.Data.ContainsKey("passwordHash") ||
+                    !data.Data.ContainsKey("passwordSalt"))
+                {
+                    continue;
+                }
 
-                //m_log.DebugFormat("[PASS AUTH]: got {0}; hashed = {1}; stored = {2}", password, hashed, data.Data["passwordHash"].ToString());
+                hashed = Util.Md5Hash(password + ":" +
+                        data.Data["passwordSalt"].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);
                 }
                 else
@@ -94,6 +133,9 @@ namespace OpenSim.Services.AuthenticationService
                     return String.Empty;
                 }
             }
+
+            m_log.DebugFormat("[PASS AUTH]: Impersonation of {0} failed", principalID);
+            return String.Empty;
         }
     }
-}
\ No newline at end of file
+}