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Example 6 with PortMode

use of verdict.vdm.vdm_model.PortMode in project VERDICT by ge-high-assurance.

the class Instrumentor method remoteCodeInjection.

// Remote Code Injection:
// - Select components c in the model M such that:
// c.ComponentType = 'Software' v c.ComponentType = 'Hybrid'
// & \exists ch\in M. p\in InputPort(c). ch = p.channel & ch.Connectin-Type =
// Remote
@Override
public void remoteCodeInjection(HashSet<ComponentType> vdm_components) {
    try {
        HashSet<String> components = new HashSet<String>();
        HashSet<String> rciComponentTypeSet = new HashSet<String>(Arrays.asList("software", "swhwhybrid", "swhumanhybrid", "hybrid"));
        BlockImpl blockImpl = null;
        for (ComponentImpl componentImpl : vdm_model.getComponentImpl()) {
            blockImpl = componentImpl.getBlockImpl();
            // BlockImpl
            if (blockImpl != null) {
                ComponentType componentType = componentImpl.getType();
                for (ComponentInstance componentInstance : blockImpl.getSubcomponent()) {
                    componentType = componentInstance.getSpecification();
                    ComponentImpl subcomponentImpl = componentInstance.getImplementation();
                    // Option 1) Specification
                    if (componentType != null) {
                    } else // Option 2) Implementation
                    if (subcomponentImpl != null) {
                        componentType = subcomponentImpl.getType();
                    }
                    List<GenericAttribute> attributeList = componentInstance.getAttribute();
                    GenericAttribute componentKindAttribute = getAttributeByName(attributeList, "ComponentType", componentInstance.getName());
                    GenericAttribute staticCodeAnalysisAttribute = getAttributeByName(attributeList, "StaticCodeAnalysis", componentInstance.getName());
                    GenericAttribute inputValidationAttribute = getAttributeByName(attributeList, "InputValidation", componentInstance.getName());
                    GenericAttribute memoryProtectionAttribute = getAttributeByName(attributeList, "MemoryProtection", componentInstance.getName());
                    String componentKind = componentKindAttribute.getValue().toString().toLowerCase();
                    int staticCodeAnalysis = Integer.parseInt(staticCodeAnalysisAttribute.getValue().toString());
                    int inputValidation = Integer.parseInt(inputValidationAttribute.getValue().toString());
                    int memoryProtection = Integer.parseInt(memoryProtectionAttribute.getValue().toString());
                    if (rciComponentTypeSet.contains(componentKind.toLowerCase()) && (staticCodeAnalysis == 0 || inputValidation == 0 || memoryProtection == 0)) {
                        Boolean hasEligibleIncomingChannels = false;
                        for (Port port : componentType.getPort()) {
                            PortMode mode = port.getMode();
                            if (mode == PortMode.IN) {
                                for (Connection connection : blockImpl.getConnection()) {
                                    if (connection.getDestination().getSubcomponentPort() != null) {
                                        if (connection.getDestination().getSubcomponentPort().getPort() == port) {
                                            Boolean scInsideTrustedBoundary;
                                            String scComponentKind;
                                            String scPedigree;
                                            int scStrongCryptoAlgorithms;
                                            int scSupplyChainSecurity;
                                            int scTamperProtection;
                                            if (connection.getSource().getSubcomponentPort() != null) {
                                                ComponentInstance sourceComponent = connection.getSource().getSubcomponentPort().getSubcomponent();
                                                List<GenericAttribute> sourceComponentAttributeList = sourceComponent.getAttribute();
                                                GenericAttribute sourceComponentInsideTrustedBoundaryAttribute = getAttributeByName(sourceComponentAttributeList, "InsideTrustedBoundary", sourceComponent.getName());
                                                GenericAttribute sourceComponentComponentKindAttribute = getAttributeByName(sourceComponentAttributeList, "ComponentType", sourceComponent.getName());
                                                GenericAttribute sourceComponentPedigreeAttribute = getAttributeByName(sourceComponentAttributeList, "Pedigree", sourceComponent.getName());
                                                GenericAttribute sourceComponentStrongCryptoAlgorithmsAttribute = getAttributeByName(sourceComponentAttributeList, "StrongCryptoAlgorithms", sourceComponent.getName());
                                                GenericAttribute sourceComponentSupplyChainSecurityAttribute = getAttributeByName(sourceComponentAttributeList, "SupplyChainSecurity", sourceComponent.getName());
                                                GenericAttribute sourceComponentTamperProtectionAttribute = getAttributeByName(sourceComponentAttributeList, "TamperProtection", sourceComponent.getName());
                                                scInsideTrustedBoundary = Boolean.parseBoolean(sourceComponentInsideTrustedBoundaryAttribute.getValue().toString());
                                                scComponentKind = sourceComponentComponentKindAttribute.getValue().toString().toLowerCase();
                                                scPedigree = sourceComponentPedigreeAttribute.getValue().toString().toLowerCase();
                                                scStrongCryptoAlgorithms = Integer.parseInt(sourceComponentStrongCryptoAlgorithmsAttribute.getValue().toString());
                                                scSupplyChainSecurity = Integer.parseInt(sourceComponentSupplyChainSecurityAttribute.getValue().toString());
                                                scTamperProtection = Integer.parseInt(sourceComponentTamperProtectionAttribute.getValue().toString());
                                            } else {
                                                scInsideTrustedBoundary = true;
                                                scComponentKind = "";
                                                scPedigree = "";
                                                scStrongCryptoAlgorithms = -1;
                                                scSupplyChainSecurity = -1;
                                                scTamperProtection = -1;
                                            }
                                            List<GenericAttribute> connectionAttributeList = connection.getAttribute();
                                            GenericAttribute connectionTypeAttribute = getAttributeByName(connectionAttributeList, "ConnectionType", connection.getName());
                                            GenericAttribute deviceAuthenticationAttribute = getAttributeByName(connectionAttributeList, "DeviceAuthentication", connection.getName());
                                            GenericAttribute sessionAuthenticityAttribute = getAttributeByName(connectionAttributeList, "SessionAuthenticity", connection.getName());
                                            String connectionType = connectionTypeAttribute.getValue().toString().toLowerCase();
                                            int deviceAuthentication = Integer.parseInt(deviceAuthenticationAttribute.getValue().toString());
                                            int sessionAuthenticity = Integer.parseInt(sessionAuthenticityAttribute.getValue().toString());
                                            if ((!scInsideTrustedBoundary || connectionType.equalsIgnoreCase("untrusted")) && !scComponentKind.equalsIgnoreCase("hardware") && ((scPedigree.equalsIgnoreCase("cots") || (scPedigree.equalsIgnoreCase("sourced") && scSupplyChainSecurity == 0 && scTamperProtection == 0)) || ((deviceAuthentication == 0 && sessionAuthenticity == 0) || scStrongCryptoAlgorithms == 0))) {
                                                hasEligibleIncomingChannels = true;
                                            }
                                            break;
                                        }
                                    }
                                }
                            }
                            if (hasEligibleIncomingChannels) {
                                break;
                            }
                        }
                        if (hasEligibleIncomingChannels) {
                            vdm_components.add(componentType);
                            components.add(componentType.getId());
                        }
                    }
                }
            }
        }
        this.attack_cmp_link_map.put("RI", components);
    } catch (CRVException e) {
        System.out.println("CRV Error " + e.getCode() + e.getMessage());
    }
}
Also used : BlockImpl(verdict.vdm.vdm_model.BlockImpl) ComponentType(verdict.vdm.vdm_model.ComponentType) PortMode(verdict.vdm.vdm_model.PortMode) CompInstancePort(verdict.vdm.vdm_model.CompInstancePort) Port(verdict.vdm.vdm_model.Port) GenericAttribute(verdict.vdm.vdm_data.GenericAttribute) Connection(verdict.vdm.vdm_model.Connection) ComponentImpl(verdict.vdm.vdm_model.ComponentImpl) ComponentInstance(verdict.vdm.vdm_model.ComponentInstance) HashSet(java.util.HashSet)

Aggregations

PortMode (verdict.vdm.vdm_model.PortMode)6 CompInstancePort (verdict.vdm.vdm_model.CompInstancePort)5 Port (verdict.vdm.vdm_model.Port)5 HashSet (java.util.HashSet)3 ComponentImpl (verdict.vdm.vdm_model.ComponentImpl)3 ComponentInstance (verdict.vdm.vdm_model.ComponentInstance)3 ComponentType (verdict.vdm.vdm_model.ComponentType)3 Connection (verdict.vdm.vdm_model.Connection)3 Matcher (java.util.regex.Matcher)2 Pattern (java.util.regex.Pattern)2 DataType (verdict.vdm.vdm_data.DataType)2 GenericAttribute (verdict.vdm.vdm_data.GenericAttribute)2 Expression (verdict.vdm.vdm_lustre.Expression)2 NodeCall (verdict.vdm.vdm_lustre.NodeCall)2 NodeEquation (verdict.vdm.vdm_lustre.NodeEquation)2 NodeEquationLHS (verdict.vdm.vdm_lustre.NodeEquationLHS)2 VariableDeclaration (verdict.vdm.vdm_lustre.VariableDeclaration)2 BlockImpl (verdict.vdm.vdm_model.BlockImpl)2 IfThenElse (verdict.vdm.vdm_lustre.IfThenElse)1 NodeParameter (verdict.vdm.vdm_lustre.NodeParameter)1