Examples with MaybeNullException com.google.security.zynamics.binnavi.Exceptions.MaybeNullException used on opensource projects

Example 21 with MaybeNullException

use of com.google.security.zynamics.binnavi.Exceptions.MaybeNullException in project binnavi by google.

the class BreakpointConditionParser method parse.

/**
 * Parses a breakpoint condition string.
 *
 * @param conditionString The condition string to parse.
 *
 * @return The parsed breakpoint condition tree.
 *
 * @throws RecognitionException Thrown if the condition string could not be parsed.
 * @throws MaybeNullException Thrown if an empty condition string is passed to the function.
 */
public static ConditionNode parse(final String conditionString) throws RecognitionException, MaybeNullException {
    if (conditionString.trim().isEmpty()) {
        throw new MaybeNullException();
    }
    final CharStream charStream = new ANTLRStringStream(conditionString);
    final ConditionLexer lexer = new ConditionLexer(charStream);
    final CommonTokenStream tokens = new CommonTokenStream();
    tokens.setTokenSource(lexer);
    final ConditionParser parser = new ConditionParser(tokens);
    parser.setTreeAdaptor(adaptor);
    try {
        final ConditionParser.prog_return parserResult = parser.prog();
        final CommonTree ast = (CommonTree) parserResult.getTree();
        if (parser.input.index() < parser.input.size()) {
            throw new RecognitionException();
        }
        return convert(ast);
    } catch (final IllegalArgumentException e) {
        throw new RecognitionException();
    }
}

Example 22 with MaybeNullException

use of com.google.security.zynamics.binnavi.Exceptions.MaybeNullException in project binnavi by google.

the class SuspendThreadSynchronizer method handleError.

@Override
protected void handleError(final SuspendThreadReply reply) {
    try {
        final TargetProcessThread thread = getDebugger().getProcessManager().getThread(reply.getThreadId());
        // TODO: In case we can not suspend the thread, we assume that it is really running.
        // This is not correct, however. What really needs to happen is that the debug client
        // sends the real state of the thread in the error message.
        thread.setState(ThreadState.RUNNING);
    } catch (final MaybeNullException exception) {
        // Note: This is not necessary an error situation. Imagine the following
        // 
        // 1. Send SuspendThread to the debug client
        // 2. While the command is sent, the thread is closed
        // 3. Debug client can not suspend the thread
        // 4. We land here
        NaviLogger.severe("Error: Tried to suspend unknown thread '%d'", reply.getThreadId());
    }
}

Example 23 with MaybeNullException

use of com.google.security.zynamics.binnavi.Exceptions.MaybeNullException in project binnavi by google.

the class CCodeNodeTest method testMiscFunctions.

@Test
public void testMiscFunctions() throws MaybeNullException, CouldntSaveDataException, CouldntLoadDataException {
    final MockSqlProvider provider = new MockSqlProvider();
    final CUserManager userManager = CUserManager.get(provider);
    final IUser currentUser = userManager.addUser("TEST USER 1");
    userManager.setCurrentActiveUser(currentUser);
    final CModule internalModule = new CModule(1, "", "", new Date(), new Date(), CommonTestObjects.MD5, CommonTestObjects.SHA1, 0, 0, new CAddress(0), new CAddress(0), null, null, Integer.MAX_VALUE, false, provider);
    final CFunction parentFunction = new CFunction(internalModule, new MockView(), new CAddress(0x123), "Mock Function", "Mock Function", "Mock Description", 0, 0, 0, 0, FunctionType.NORMAL, "", 0, null, null, null, provider);
    final CCodeNode node = new CCodeNode(1, 0, 0, 0, 0, Color.BLACK, Color.BLACK, false, true, Lists.<IComment>newArrayList(new CComment(null, CommonTestObjects.TEST_USER_1, null, "foobar")), parentFunction, new LinkedHashSet<CTag>(), provider);
    final MockInstruction i1 = new MockInstruction(new CAddress(0x123), "nop", new ArrayList<COperandTree>(), null);
    final MockInstruction i2 = new MockInstruction(new CAddress(0x124), "nop", new ArrayList<COperandTree>(), null);
    final MockInstruction i3 = new MockInstruction(new CAddress(0x125), "nop", new ArrayList<COperandTree>(), null);
    final MockInstruction i4 = new MockInstruction(new CAddress(0x126), "nop", new ArrayList<COperandTree>(), m_globalComment);
    final MockInstruction i5 = new MockInstruction(new CAddress(0x127), "nop", new ArrayList<COperandTree>(), null);
    node.addInstruction(i1, Lists.<IComment>newArrayList(new CComment(null, currentUser, null, "Foo\nBar")));
    node.addInstruction(i2, Lists.<IComment>newArrayList(new CComment(null, currentUser, null, "\n")));
    node.addInstruction(i3, null);
    node.addInstruction(i4, null);
    final INaviCodeNodeListener listener = new CNaviCodeNodeListenerAdapter();
    node.addListener(listener);
    node.addInstruction(i5, null);
    assertNotNull(node.cloneNode());
    assertFalse(CCodeNodeHelpers.containsAddress(node, new CAddress(0xFFFFFFFEL)));
    assertEquals(null, node.getComments().getGlobalCodeNodeComment());
    assertEquals(new CAddress(0x123L), node.getAddress());
    assertEquals(0, CCodeNodeHelpers.getInstruction(node, new CAddress(0x123L)));
    assertEquals(-1, CCodeNodeHelpers.getInstruction(node, new CAddress(0x129L)));
    assertEquals(i1, Iterables.getFirst(node.getInstructions(), null));
    assertEquals(5, Iterables.size(node.getInstructions()));
    assertEquals(5, node.instructionCount());
    assertNotNull(node.getParentFunction());
    node.removeInstruction(i5);
    assertEquals(4, node.instructionCount());
    try {
        node.removeInstruction(null);
        fail();
    } catch (final NullPointerException e) {
    }
    try {
        node.removeInstruction(i5);
        fail();
    } catch (final IllegalArgumentException e) {
    }
    final List<IComment> comments = node.getComments().appendGlobalCodeNodeComment("barfoos");
    assertEquals(comments, node.getComments().getGlobalCodeNodeComment());
    try {
        node.getComments().appendGlobalCodeNodeComment(null);
        fail();
    } catch (final Exception e) {
    }
    node.setInstructionColor(i4, 0, Color.YELLOW);
    try {
        node.setInstructionColor(null, 0, null);
        fail();
    } catch (final Exception e) {
    }
    try {
        node.setInstructionColor(i5, 0, null);
        fail();
    } catch (final Exception e) {
    }
    node.setBorderColor(Color.GRAY);
    assertEquals(Color.GRAY, node.getBorderColor());
    final List<IComment> comments2 = node.getComments().appendLocalCodeNodeComment("barfoos2");
    assertEquals(comments2, node.getComments().getLocalCodeNodeComment());
    final List<IComment> appendedComments = node.getComments().appendLocalInstructionComment(i4, "foo");
    assertEquals(appendedComments, node.getComments().getLocalInstructionComment(i4));
    try {
        node.getComments().appendLocalInstructionComment(i5, " INSTRUCTION i5 COMMENT ");
        fail();
    } catch (final IllegalArgumentException e) {
    }
    node.getComments().appendLocalCodeNodeComment("foo");
    node.toString();
    node.removeListener(listener);
    node.close();
}

Example 24 with MaybeNullException

use of com.google.security.zynamics.binnavi.Exceptions.MaybeNullException in project binnavi by google.

the class CDebuggerSynchronizerTest method testInfoString_Wellformed.

@Test
public void testInfoString_Wellformed() throws DebugExceptionWrapper, MaybeNullException {
    // Set breakpoints while the debugger is not connected
    breakpointManager.addBreakpoints(BreakpointType.REGULAR, CommonTestObjects.BP_ADDRESS_123_SET);
    breakpointManager.addBreakpoints(BreakpointType.REGULAR, CommonTestObjects.BP_ADDRESS_456_SET);
    breakpointManager.setBreakpointStatus(CommonTestObjects.BP_ADDRESS_456_SET, BreakpointType.REGULAR, BreakpointStatus.BREAKPOINT_DISABLED);
    assertEquals(BreakpointStatus.BREAKPOINT_INACTIVE, breakpointManager.getBreakpointStatus(BreakpointType.REGULAR, 0));
    mockDebugger.connect();
    debuggerSynchronizer.receivedEvent(DebuggerMessageBuilder.buildProcessStartReply(CommonTestObjects.MEMORY_MODULE));
    assertEquals(0, listener.exception);
    assertNotNull(mockDebugger.getProcessManager().getThread(CommonTestObjects.THREAD_ID));
    assertEquals(ThreadState.RUNNING, mockDebugger.getProcessManager().getThread(CommonTestObjects.THREAD_ID).getState());
    debuggerSynchronizer.receivedEvent(new ThreadClosedReply(0, 0, CommonTestObjects.THREAD_ID));
    try {
        mockDebugger.getProcessManager().getThread(CommonTestObjects.THREAD_ID);
        fail();
    } catch (final MaybeNullException exception) {
        CUtilityFunctions.logException(exception);
    }
    // On receiving an info string we request the memory map and the thread created reply triggers
    // read registers
    assertEquals("CONNECT;READREGS;SET_BREAKPOINTS/" + String.format("%08d", CommonTestObjects.THREAD_ID) + "/REGULAR;RESUME;", mockDebugger.requests);
    // Enabled breakpoints are activated
    assertEquals(BreakpointStatus.BREAKPOINT_ENABLED, breakpointManager.getBreakpointStatus(BreakpointType.REGULAR, 0));
    assertEquals(BreakpointStatus.BREAKPOINT_DISABLED, breakpointManager.getBreakpointStatus(BreakpointType.REGULAR, 1));
}

Example 25 with MaybeNullException

use of com.google.security.zynamics.binnavi.Exceptions.MaybeNullException in project binnavi by google.

the class NodeCache method addNodes.

public void addNodes(final List<INaviViewNode> nodes) {
    nodeByIdCache.putAll(Maps.uniqueIndex(nodes, new Function<INaviViewNode, Integer>() {

        @Override
        public Integer apply(final INaviViewNode node) {
            return node.getId();
        }
    }));
    for (final INaviViewNode node : nodes) {
        if (node instanceof INaviCodeNode) {
            final IAddress nodeAddress = ((INaviCodeNode) node).getAddress();
            Integer moduleId = null;
            try {
                moduleId = ((INaviCodeNode) node).getParentFunction().getModule().getConfiguration().getId();
            } catch (final MaybeNullException e) {
                continue;
            }
            if (moduleId != null) {
                UpdateAddressModuleIdCache(nodeAddress, moduleId, node);
            }
        }
    }
}