Merge pull request #391 from RUB-NDS/unmodifiableActions

Unmodifiable actions

Author: jurajsomorovsky

Attacks/pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.rub.nds.tlsattacker</groupId>
         <artifactId>TLS-Attacker</artifactId>
-        <version>2.1</version>
+        <version>2.2</version>
     </parent>
     <artifactId>Attacks</artifactId>
     <packaging>jar</packaging>

Attacks/src/main/java/de/rub/nds/tlsattacker/attacks/impl/BleichenbacherAttacker.java

@@ -87,9 +87,13 @@ private EqualityError isVulnerable(BleichenbacherWorkflowType bbWorkflowType, Li
         List<ResponseFingerprint> responseFingerprintList = new LinkedList<>();
         for (Pkcs1Vector pkcs1Vector : pkcs1Vectors) {
             State state = executeTlsFlow(bbWorkflowType, pkcs1Vector.getEncryptedValue());
-            ResponseFingerprint fingerprint = ResponseExtractor.getFingerprint(state);
+            if (state.getWorkflowTrace().allActionsExecuted()) {
+                ResponseFingerprint fingerprint = ResponseExtractor.getFingerprint(state);
+                responseFingerprintList.add(fingerprint);
+            } else {
+                LOGGER.warn("Could not execute Workflow. Something went wrong... Check the debug output for more information");
+            }
             clearConnections(state);
-            responseFingerprintList.add(fingerprint);
         }
         if (responseFingerprintList.isEmpty()) {
             LOGGER.warn("Could not extract Fingerprints");

Attacks/src/main/java/de/rub/nds/tlsattacker/attacks/impl/PaddingOracleAttacker.java

@@ -179,17 +179,21 @@ public Boolean isVulnerable() {
                 LOGGER.warn("TLS-Attacker failed execute a Handshake. Skipping to next record");
                 continue;
             }
-            ResponseFingerprint fingerprint = ResponseExtractor.getFingerprint(state);
-            clearConnections(state);
-            AbstractRecord lastRecord = state.getWorkflowTrace().getLastSendingAction().getSendRecords()
-                    .get(state.getWorkflowTrace().getLastSendingAction().getSendRecords().size() - 1);
-            int length = ((Record) lastRecord).getLength().getValue();
-            List<ResponseFingerprint> responseFingerprintList = responseMap.get(length);
-            if (responseFingerprintList == null) {
-                responseFingerprintList = new LinkedList<>();
-                responseMap.put(length, responseFingerprintList);
+            if (state.getWorkflowTrace().allActionsExecuted()) {
+                ResponseFingerprint fingerprint = ResponseExtractor.getFingerprint(state);
+                clearConnections(state);
+                AbstractRecord lastRecord = state.getWorkflowTrace().getLastSendingAction().getSendRecords()
+                        .get(state.getWorkflowTrace().getLastSendingAction().getSendRecords().size() - 1);
+                int length = ((Record) lastRecord).getLength().getValue();
+                List<ResponseFingerprint> responseFingerprintList = responseMap.get(length);
+                if (responseFingerprintList == null) {
+                    responseFingerprintList = new LinkedList<>();
+                    responseMap.put(length, responseFingerprintList);
+                }
+                responseFingerprintList.add(fingerprint);
+            } else {
+                LOGGER.warn("Could not execute Workflow. Something went wrong... Check the debug output for more information");
             }
-            responseFingerprintList.add(fingerprint);
 
         }
         LOGGER.log(LogLevel.CONSOLE_OUTPUT,

Attacks/src/main/java/de/rub/nds/tlsattacker/attacks/util/response/ResponseExtractor.java

@@ -61,27 +61,33 @@ private static SocketState extractSocketState(State state) {
 
     private static List<Class<AbstractRecord>> extractRecordClasses(ReceivingAction action) {
         List<Class<AbstractRecord>> classList = new LinkedList<>();
-        for (AbstractRecord record : action.getReceivedRecords()) {
-            classList.add((Class<AbstractRecord>) record.getClass());
+        if (action.getReceivedRecords() != null) {
+            for (AbstractRecord record : action.getReceivedRecords()) {
+                classList.add((Class<AbstractRecord>) record.getClass());
+            }
         }
         return classList;
     }
 
     private static List<Class<ProtocolMessage>> extractMessageClasses(ReceivingAction action) {
         List<Class<ProtocolMessage>> classList = new LinkedList<>();
-        for (ProtocolMessage message : action.getReceivedMessages()) {
-            classList.add((Class<ProtocolMessage>) message.getClass());
+        if (action.getReceivedMessages() != null) {
+            for (ProtocolMessage message : action.getReceivedMessages()) {
+                classList.add((Class<ProtocolMessage>) message.getClass());
+            }
         }
         return classList;
     }
 
     private static boolean didReceiveEncryptedAlert(ReceivingAction action) {
-        for (AbstractRecord abstractRecord : action.getReceivedRecords()) {
-            if (abstractRecord instanceof Record) {
-                Record record = (Record) abstractRecord;
-                if (record.getContentMessageType() == ProtocolMessageType.ALERT) {
-                    if (record.getLength().getValue() > 6) {
-                        return true;
+        if (action.getReceivedRecords() != null) {
+            for (AbstractRecord abstractRecord : action.getReceivedRecords()) {
+                if (abstractRecord instanceof Record) {
+                    Record record = (Record) abstractRecord;
+                    if (record.getContentMessageType() == ProtocolMessageType.ALERT) {
+                        if (record.getLength().getValue() > 6) {
+                            return true;
+                        }
                     }
                 }
             }

TLS-Client/pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.rub.nds.tlsattacker</groupId>
         <artifactId>TLS-Attacker</artifactId>
-        <version>2.1</version>
+        <version>2.2</version>
     </parent>
     <name>TLS-Client</name>
     <artifactId>TLS-Client</artifactId>

TLS-Core/pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.rub.nds.tlsattacker</groupId>
         <artifactId>TLS-Attacker</artifactId>
-        <version>2.1</version>
+        <version>2.2</version>
     </parent>
     <artifactId>TLS-Core</artifactId>
     <packaging>jar</packaging>