X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcore%2Fcoreauthhandler.cpp;h=34fc22276ebc5584e4a3c9e04301feb807956762;hp=75a292826d14a10d4fdcf51346f6c7cacd68829d;hb=e67887343c433cc35bc26ad6a9392588f427e746;hpb=1cb02004ee5973b89368bd84f234d4652794690d

diff --git a/src/core/coreauthhandler.cpp b/src/core/coreauthhandler.cpp
index 75a29282..34fc2227 100644
--- a/src/core/coreauthhandler.cpp
+++ b/src/core/coreauthhandler.cpp
@@ -81,7 +81,7 @@ void CoreAuthHandler::onReadyRead()
     }
 
     // read the list of protocols supported by the client
-    while (socket()->bytesAvailable() >= 4) {
+    while (socket()->bytesAvailable() >= 4 && _supportedProtos.size() < 16) { // sanity check
         quint32 data;
         socket()->read((char*)&data, 4);
         data = qFromBigEndian<quint32>(data);
@@ -98,6 +98,12 @@ void CoreAuthHandler::onReadyRead()
                 level = Compressor::NoCompression;
 
             RemotePeer *peer = PeerFactory::createPeer(_supportedProtos, this, socket(), level, this);
+            if (!peer) {
+                qWarning() << "Received invalid handshake data from client" << socket()->peerAddress().toString();
+                close();
+                return;
+            }
+
             if (peer->protocol() == Protocol::LegacyProtocol) {
                 _legacy = true;
                 connect(peer, SIGNAL(protocolVersionMismatch(int,int)), SLOT(onProtocolVersionMismatch(int,int)));
@@ -158,7 +164,8 @@ void CoreAuthHandler::handle(const RegisterClient &msg)
     else
         useSsl = _connectionFeatures & Protocol::Encryption;
 
-    if (Quassel::isOptionSet("require-ssl") && !useSsl) {
+    if (Quassel::isOptionSet("require-ssl") && !useSsl && !_peer->isLocal()) {
+        quInfo() << qPrintable(tr("SSL required but non-SSL connection attempt from %1").arg(socket()->peerAddress().toString()));
         _peer->dispatch(ClientDenied(tr("<b>SSL is required!</b><br>You need to use SSL in order to connect to this core.")));
         _peer->close();
         return;
@@ -209,6 +216,7 @@ void CoreAuthHandler::handle(const Login &msg)
 
     UserId uid = Core::validateUser(msg.user, msg.password);
     if (uid == 0) {
+        quInfo() << qPrintable(tr("Invalid login attempt from %1 as \"%2\"").arg(socket()->peerAddress().toString(), msg.user));
         _peer->dispatch(LoginFailed(tr("<b>Invalid username or password!</b><br>The username/password combination you supplied could not be found in the database.")));
         return;
     }