Exemple #1
0
  /** Set up the warning for any fields in the object that aren't supported. */
  private void setUnsupportedFieldWarnings() {
    List<String> fieldNames = new ArrayList<String>();

    if (obj.getVLANName() != null) {
      fieldNames.add("VLAN_Name"); // NON-NLS
    }
    if (obj.getVLANName() != null) {
      fieldNames.add("VLAN_Num"); // NON-NLS
    }

    String warningStr = "";
    for (String name : fieldNames) {
      if (!warningStr.isEmpty()) {
        warningStr += ", ";
      }
      warningStr += name;
    }

    addWarning("Unsupported field(s): " + warningStr); // NON-NLS
  }
Exemple #2
0
  @Override
  public synchronized ObservableResult evaluate() {

    setWarnings("");

    if (obj.getAddressValue() == null) {
      return new ObservableResult(
          id,
          "AddressObject: No address value field found", // NON-NLS
          spacing,
          ObservableResult.ObservableState.INDETERMINATE,
          null);
    }

    String origAddressStr = obj.getAddressValue().getValue().toString();

    // For now, we don't support "NONE" because it honestly doesn't seem like it
    // would ever appear in practice.
    if (((obj.getAddressValue().getApplyCondition() != null)
        && (obj.getAddressValue().getApplyCondition() == ConditionApplicationEnum.NONE))) {
      return new ObservableResult(
          id,
          "AddressObject: Can not process apply condition "
              + obj.getAddressValue().getApplyCondition().toString() // NON-NLS
              + " on Address object",
          spacing,
          ObservableResult.ObservableState.INDETERMINATE,
          null); // NON-NLS
    }

    // Set warnings for any unsupported fields
    setUnsupportedFieldWarnings();

    Case case1 = Case.getCurrentCase();
    SleuthkitCase sleuthkitCase = case1.getSleuthkitCase();

    try {
      // Need to check that every part of the string had at least one match
      // in the AND case
      boolean everyPartMatched = true;
      List<BlackboardArtifact> combinedArts = new ArrayList<BlackboardArtifact>();
      String searchString = "";
      String[] parts = origAddressStr.split("##comma##"); // NON-NLS

      for (String addressStr : parts) {

        // Update the string to show in the results
        if (!searchString.isEmpty()) {

          if ((obj.getAddressValue().getApplyCondition() != null)
              && (obj.getAddressValue().getApplyCondition() == ConditionApplicationEnum.ALL)) {
            searchString += " AND "; // NON-NLS
          } else {
            searchString += " OR "; // NON-NLS
          }
        }
        searchString += addressStr;

        if ((obj.getAddressValue().getCondition() == null)
            || (obj.getAddressValue().getCondition() == ConditionTypeEnum.EQUALS)) {
          List<BlackboardArtifact> arts =
              sleuthkitCase.getBlackboardArtifacts(
                  BlackboardArtifact.ARTIFACT_TYPE.TSK_KEYWORD_HIT,
                  BlackboardAttribute.ATTRIBUTE_TYPE.TSK_KEYWORD,
                  addressStr);

          if (arts.isEmpty()) {
            everyPartMatched = false;
          } else {
            combinedArts.addAll(arts);
          }

        } else {
          // This is inefficient, but the easiest way to do it.

          List<BlackboardArtifact> finalHits = new ArrayList<BlackboardArtifact>();

          // Get all the URL artifacts
          List<BlackboardArtifact> artList =
              sleuthkitCase.getBlackboardArtifacts(
                  BlackboardArtifact.ARTIFACT_TYPE.TSK_KEYWORD_HIT);

          for (BlackboardArtifact art : artList) {

            for (BlackboardAttribute attr : art.getAttributes()) {
              if (attr.getAttributeTypeID()
                  == BlackboardAttribute.ATTRIBUTE_TYPE.TSK_KEYWORD.getTypeID()) {
                if (compareStringObject(
                    addressStr,
                    obj.getAddressValue().getCondition(),
                    obj.getAddressValue().getApplyCondition(),
                    attr.getValueString())) {
                  finalHits.add(art);
                }
              }
            }
          }

          if (finalHits.isEmpty()) {
            everyPartMatched = false;
          } else {
            combinedArts.addAll(finalHits);
          }
        }
      }

      // If we're in the ALL case, make sure every piece matched
      if ((obj.getAddressValue().getApplyCondition() != null)
          && (obj.getAddressValue().getApplyCondition() == ConditionApplicationEnum.ALL)
          && (!everyPartMatched)) {
        return new ObservableResult(
            id,
            "AddressObject: No matches for " + searchString, // NON-NLS
            spacing,
            ObservableResult.ObservableState.FALSE,
            null);
      }

      if (!combinedArts.isEmpty()) {
        List<StixArtifactData> artData = new ArrayList<StixArtifactData>();
        for (BlackboardArtifact a : combinedArts) {
          artData.add(new StixArtifactData(a.getObjectID(), id, "AddressObject")); // NON-NLS
        }
        return new ObservableResult(
            id,
            "AddressObject: Found a match for " + searchString, // NON-NLS
            spacing,
            ObservableResult.ObservableState.TRUE,
            artData);
      }

      return new ObservableResult(
          id,
          "AddressObject: Found no matches for " + searchString, // NON-NLS
          spacing,
          ObservableResult.ObservableState.FALSE,
          null);

    } catch (TskCoreException ex) {
      return new ObservableResult(
          id,
          "AddressObject: Exception during evaluation: " + ex.getLocalizedMessage(), // NON-NLS
          spacing,
          ObservableResult.ObservableState.INDETERMINATE,
          null);
    }
  }