From c964aa2708ed2839ded3c35eed7338f3e81f568f Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Mon, 24 Aug 2009 04:47:54 +0200
Subject: =?UTF-8?q?Authentifikation:=20=C3=9Cbertrage=20Passw=C3=B6rter=20?=
 =?UTF-8?q?gehasht?=
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---
 src/modules/AuthBackendFile/AuthBackendFile.cpp | 20 ++++++++++++++------
 src/modules/AuthBackendFile/AuthBackendFile.h   | 20 +++++++++++++++-----
 2 files changed, 29 insertions(+), 11 deletions(-)

(limited to 'src/modules')

diff --git a/src/modules/AuthBackendFile/AuthBackendFile.cpp b/src/modules/AuthBackendFile/AuthBackendFile.cpp
index ac7a1db..b05b2db 100644
--- a/src/modules/AuthBackendFile/AuthBackendFile.cpp
+++ b/src/modules/AuthBackendFile/AuthBackendFile.cpp
@@ -74,11 +74,11 @@ bool AuthBackendFile::handleConfigEntry(const Core::ConfigEntry &entry, bool /*h
   return true;
 }
 
-boost::shared_ptr<Common::AuthContext> AuthBackendFile::authenticate(const std::string &method, const std::string &user,
-    const std::vector<boost::uint8_t> &data, std::vector<boost::uint8_t>& /*response*/,
+boost::shared_ptr<Common::AuthContext> AuthBackendFile::authenticate(const std::string &method, const std::string &subMethod,
+    const std::string &user, const std::vector<boost::uint8_t> &data, std::vector<boost::uint8_t>& /*response*/,
     boost::shared_ptr<Common::AuthContext> context) throw(Core::Exception) {
   if(method != "Password")
-    throw(Core::Exception(Core::Exception::INVALID_INPUT));
+    throw(Core::Exception(Core::Exception::NOT_IMPLEMENTED));
 
   if(context.get() != 0 && dynamic_cast<AuthContextFile*>(context.get()) == 0)
     throw(Core::Exception(Core::Exception::INVALID_INPUT));
@@ -86,12 +86,20 @@ boost::shared_ptr<Common::AuthContext> AuthBackendFile::authenticate(const std::
   if(context.get() == 0)
     context.reset(new AuthContextFile);
 
-  std::string password(data.begin(), data.end());
-
   std::map<std::string, std::string>::iterator userIt = userMap.find(user);
-  if(userIt == userMap.end() || password != userIt->second)
+  if(userIt == userMap.end())
     throw(Core::Exception(Core::Exception::AUTHENTICATION));
 
+  if(subMethod == "Clear") {
+    if(userIt->second != std::string(data.begin(), data.end()))
+      throw(Core::Exception(Core::Exception::AUTHENTICATION));
+  }
+  else {
+    if(!std::equal(data.begin(), data.end(), Common::Hash::hash(userIt->second, subMethod).begin()))
+      throw(Core::Exception(Core::Exception::AUTHENTICATION));
+  }
+
+
   return context;
 }
 
diff --git a/src/modules/AuthBackendFile/AuthBackendFile.h b/src/modules/AuthBackendFile/AuthBackendFile.h
index 90f572c..5f13b51 100644
--- a/src/modules/AuthBackendFile/AuthBackendFile.h
+++ b/src/modules/AuthBackendFile/AuthBackendFile.h
@@ -25,6 +25,7 @@
 #include <Common/AuthBackend.h>
 #include <Common/AuthContext.h>
 #include <Common/Application.h>
+#include <Common/Hash.h>
 
 #include <Core/Configurable.h>
 #include <Core/ConfigManager.h>
@@ -44,10 +45,11 @@ class MAD_MODULE_EXPORT AuthBackendFile : public Common::AuthBackend, private Co
 
     void readFile(const std::string &name);
 
-    std::vector<std::string> methods;
-
     Common::Application *application;
 
+    std::vector<std::string> methods;
+    std::vector<std::string> subMethods;
+
     std::map<std::string, std::string> userMap;
 
   protected:
@@ -57,13 +59,21 @@ class MAD_MODULE_EXPORT AuthBackendFile : public Common::AuthBackend, private Co
       return methods;
     }
 
-    virtual boost::shared_ptr<Common::AuthContext> authenticate(const std::string &method, const std::string &user,
-        const std::vector<boost::uint8_t> &data, std::vector<boost::uint8_t> &response,
+    virtual const std::vector<std::string>& getSubMethods(const std::string &method) const throw(Core::Exception) {
+      if(method != "Password")
+        throw(Core::Exception(Core::Exception::NOT_IMPLEMENTED));
+
+      return subMethods;
+    }
+
+    virtual boost::shared_ptr<Common::AuthContext> authenticate(const std::string &method, const std::string &subMethod,
+        const std::string &user, const std::vector<boost::uint8_t> &data, std::vector<boost::uint8_t> &response,
         boost::shared_ptr<Common::AuthContext> context) throw(Core::Exception);
 
   public:
-    AuthBackendFile(Common::Application *application0) : application(application0) {
+    AuthBackendFile(Common::Application *application0) : application(application0), subMethods(Common::Hash::getHashList()) {
       methods.push_back("Password");
+      subMethods.push_back("Clear");
 
       application->getConfigManager()->registerConfigurable(this);
     }
-- 
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