Beispiel #1
0
  private ArrayList<AnnotationElem> handleAnnotationElement(
      AnnotationElement ae, List<? extends EncodedValue> evList) {
    ArrayList<AnnotationElem> aelemList = new ArrayList<AnnotationElem>();

    for (EncodedValue ev : evList) {
      int type = ev.getValueType();
      AnnotationElem elem = null;
      Debug.printDbg("encoded value type: ", type);
      switch (type) {
        case 0x00: // BYTE
          {
            ByteEncodedValue v = (ByteEncodedValue) ev;
            elem = new AnnotationIntElem(v.getValue(), 'B', ae.getName());
            break;
          }
        case 0x02: // SHORT
          {
            ShortEncodedValue v = (ShortEncodedValue) ev;
            elem = new AnnotationIntElem(v.getValue(), 'S', ae.getName());
            break;
          }
        case 0x03: // CHAR
          {
            CharEncodedValue v = (CharEncodedValue) ev;
            elem = new AnnotationIntElem(v.getValue(), 'C', ae.getName());
            break;
          }
        case 0x04: // INT
          {
            IntEncodedValue v = (IntEncodedValue) ev;
            elem = new AnnotationIntElem(v.getValue(), 'I', ae.getName());
            break;
          }
        case 0x06: // LONG
          {
            LongEncodedValue v = (LongEncodedValue) ev;
            elem = new AnnotationLongElem(v.getValue(), 'J', ae.getName());
            break;
          }
        case 0x10: // FLOAT
          {
            FloatEncodedValue v = (FloatEncodedValue) ev;
            elem = new AnnotationFloatElem(v.getValue(), 'F', ae.getName());
            break;
          }
        case 0x11: // DOUBLE
          {
            DoubleEncodedValue v = (DoubleEncodedValue) ev;
            elem = new AnnotationDoubleElem(v.getValue(), 'D', ae.getName());
            break;
          }
        case 0x17: // STRING
          {
            StringEncodedValue v = (StringEncodedValue) ev;
            elem = new AnnotationStringElem(v.getValue(), 's', ae.getName());
            Debug.printDbg("value for string: ", v.getValue());
            break;
          }
        case 0x18: // TYPE
          {
            TypeEncodedValue v = (TypeEncodedValue) ev;
            elem = new AnnotationClassElem(DexType.toSootAT(v.getValue()), 'c', ae.getName());
            break;
          }
        case 0x19: // FIELD (Dalvik specific?)
          {
            FieldEncodedValue v = (FieldEncodedValue) ev;
            FieldReference fr = v.getValue();
            String fieldSig = "";
            fieldSig += DexType.toSootAT(fr.getDefiningClass()) + ": ";
            fieldSig += DexType.toSootAT(fr.getType()) + " ";
            fieldSig += fr.getName();
            Debug.printDbg("FIELD: ", fieldSig);
            elem = new AnnotationStringElem(fieldSig, 'f', ae.getName());
            break;
          }
        case 0x1a: // METHOD (Dalvik specific?)
          {
            MethodEncodedValue v = (MethodEncodedValue) ev;
            MethodReference mr = v.getValue();

            String className = DexType.toSootICAT(mr.getDefiningClass());
            String returnType = DexType.toSootAT(mr.getReturnType());
            String methodName = mr.getName();
            String parameters = "";
            for (CharSequence p : mr.getParameterTypes()) {
              parameters += DexType.toSootAT(p.toString());
            }
            String mSig = className + " |" + methodName + " |" + parameters + " |" + returnType;
            elem = new AnnotationStringElem(mSig, 'M', ae.getName());
            break;
          }
        case 0x1b: // ENUM : Warning -> encoding Dalvik specific!
          {
            EnumEncodedValue v = (EnumEncodedValue) ev;
            FieldReference fr = v.getValue();
            elem =
                new AnnotationEnumElem(
                    DexType.toSootAT(fr.getType()).toString(), fr.getName(), 'e', ae.getName());
            break;
          }
        case 0x1c: // ARRAY
          {
            ArrayEncodedValue v = (ArrayEncodedValue) ev;
            ArrayList<AnnotationElem> l = handleAnnotationElement(ae, v.getValue());
            if (l != null) elem = new AnnotationArrayElem(l, '[', ae.getName());
            break;
          }
        case 0x1d: // ANNOTATION
          {
            AnnotationEncodedValue v = (AnnotationEncodedValue) ev;
            AnnotationTag t = new AnnotationTag(DexType.toSootAT(v.getType()).toString());
            for (AnnotationElement newElem : v.getElements()) {
              List<EncodedValue> l = new ArrayList<EncodedValue>();
              l.add(newElem.getValue());
              List<AnnotationElem> aList = handleAnnotationElement(newElem, l);
              if (aList != null) for (AnnotationElem e : aList) t.addElem(e);
            }
            elem = new AnnotationAnnotationElem(t, '@', ae.getName());
            break;
          }
        case 0x1e: // NULL (Dalvik specific?)
          {
            elem = new AnnotationStringElem(null, 'N', ae.getName());
            break;
          }
        case 0x1f: // BOOLEAN
          {
            BooleanEncodedValue v = (BooleanEncodedValue) ev;
            elem = new AnnotationBooleanElem(v.getValue(), 'Z', ae.getName());
            break;
          }
        default:
          {
            throw new RuntimeException("Unknown annotation element 0x" + Integer.toHexString(type));
          }
      } // switch (type)

      if (elem != null) aelemList.add(elem);
    } // for (EncodedValue)

    return aelemList;
  }
Beispiel #2
0
  /**
   * @param annotations
   * @return
   */
  private List<Tag> handleAnnotation(
      Set<? extends org.jf.dexlib2.iface.Annotation> annotations, String classType) {
    if (annotations == null || annotations.size() == 0) return null;

    List<Tag> tags = new ArrayList<Tag>();
    VisibilityAnnotationTag[] vatg =
        new VisibilityAnnotationTag[3]; // RUNTIME_VISIBLE, RUNTIME_INVISIBLE, SOURCE_VISIBLE, see
    // soot.tagkit.AnnotationConstants

    for (Annotation a : annotations) {
      int v = getVisibility(a.getVisibility());

      Tag t = null;
      Type atype = DexType.toSoot(a.getType());
      String atypes = atype.toString();
      int eSize = a.getElements().size();
      Debug.printDbg("annotation type: ", atypes, " elements: ", eSize);

      if (atypes.equals("dalvik.annotation.AnnotationDefault")) {
        if (eSize != 1)
          throw new RuntimeException(
              "error: expected 1 element for annotation Default. Got " + eSize + " instead.");
        // get element
        AnnotationElem e = getElements(a.getElements()).get(0);
        AnnotationTag adt = new AnnotationTag(a.getType());
        adt.addElem(e);
        if (vatg[v] == null) vatg[v] = new VisibilityAnnotationTag(v);
        vatg[v].addAnnotation(adt);

      } else if (atypes.equals("dalvik.annotation.EnclosingClass")) {
        if (eSize != 1)
          throw new RuntimeException(
              "error: expected 1 element for annotation EnclosingClass. Got "
                  + eSize
                  + " instead.");

        for (AnnotationElement elem : a.getElements()) {
          String outerClass = ((TypeEncodedValue) elem.getValue()).getValue();
          outerClass = Util.dottedClassName(outerClass);
          deps.typesToSignature.add(RefType.v(outerClass));
          clazz.setOuterClass(SootResolver.v().makeClassRef(outerClass));
          assert clazz.getOuterClass() != clazz;
        }

        // EnclosingClass comes in pair with InnerClass.
        // Those are generated from a single InnerClassTag,
        // that is re-constructed only for the InnerClass Dalvik
        // annotation.
        continue;

      } else if (atypes.equals("dalvik.annotation.EnclosingMethod")) {
        if (eSize != 1)
          throw new RuntimeException(
              "error: expected 1 element for annotation EnclosingMethod. Got "
                  + eSize
                  + " instead.");
        AnnotationStringElem e = (AnnotationStringElem) getElements(a.getElements()).get(0);
        String[] split1 = e.getValue().split("\\ \\|");
        String classString = split1[0];
        String methodString = split1[1];
        String parameters = split1[2];
        String returnType = split1[3];
        String methodSigString = "(" + parameters + ")" + returnType;
        t = new EnclosingMethodTag(classString, methodString, methodSigString);

        String outerClass = classString.replace("/", ".");
        deps.typesToSignature.add(RefType.v(outerClass));
        clazz.setOuterClass(SootResolver.v().makeClassRef(outerClass));
        assert clazz.getOuterClass() != clazz;

      } else if (atypes.equals("dalvik.annotation.InnerClass")) {
        int accessFlags = -1; // access flags of the inner class
        String name = null; // name of the inner class

        for (AnnotationElem ele : getElements(a.getElements())) {
          if (ele instanceof AnnotationIntElem && ele.getName().equals("accessFlags"))
            accessFlags = ((AnnotationIntElem) ele).getValue();
          else if (ele instanceof AnnotationStringElem && ele.getName().equals("name"))
            name = ((AnnotationStringElem) ele).getValue();
          else throw new RuntimeException("Unexpected inner class annotation element");
        }

        String outerClass; // outer class name
        if (name == null) outerClass = classType.replaceAll("\\$[0-9,a-z,A-Z]*;$", ";");
        else outerClass = classType.replaceFirst("\\$" + name + ";$", ";");

        // Make sure that no funny business is going on if the
        // annotation is broken and does not end in $nn.
        if (outerClass.equals(classType)) {
          outerClass = null;
        }

        Tag innerTag =
            new InnerClassTag(
                DexType.toSootICAT(classType),
                outerClass == null ? null : DexType.toSootICAT(outerClass),
                name,
                accessFlags);
        tags.add(innerTag);

        if (outerClass != null && !clazz.hasOuterClass()) {
          String sootOuterClass = Util.dottedClassName(outerClass);
          deps.typesToSignature.add(RefType.v(sootOuterClass));
          clazz.setOuterClass(SootResolver.v().makeClassRef(sootOuterClass));
          assert clazz.getOuterClass() != clazz;
        }

        continue;

      } else if (atypes.equals("dalvik.annotation.MemberClasses")) {
        AnnotationArrayElem e = (AnnotationArrayElem) getElements(a.getElements()).get(0);
        for (AnnotationElem ae : e.getValues()) {
          AnnotationClassElem c = (AnnotationClassElem) ae;
          String innerClass = c.getDesc();
          String outerClass = innerClass.replaceAll("\\$[^\\$]*$", "");
          String name = innerClass.replaceAll("^.*\\$", "").replaceAll(";$", "");
          if (name.replaceAll("[0-9].*", "").equals("")) { // anonymous or local inner classes
            name = null;
          }
          int accessFlags =
              0; // seems like this information is lost during the .class -- dx --> .dex process.
          Tag innerTag =
              new InnerClassTag(
                  DexType.toSootICAT(innerClass),
                  DexType.toSootICAT(outerClass),
                  name,
                  accessFlags);
          tags.add(innerTag);
        }
        continue;

      } else if (atypes.equals("dalvik.annotation.Signature")) {
        if (eSize != 1)
          throw new RuntimeException(
              "error: expected 1 element for annotation Signature. Got " + eSize + " instead.");
        AnnotationArrayElem e = (AnnotationArrayElem) getElements(a.getElements()).get(0);
        String sig = "";
        for (AnnotationElem ae : e.getValues()) {
          AnnotationStringElem s = (AnnotationStringElem) ae;
          sig += s.getValue();
        }
        t = new SignatureTag(sig);

      } else if (atypes.equals("dalvik.annotation.Throws")) {
        // this is handled in soot.dexpler.DexMethod
        continue;

      } else if (atypes.equals("java.lang.Deprecated")) {
        if (eSize != 0)
          throw new RuntimeException(
              "error: expected 1 element for annotation Deprecated. Got " + eSize + " instead.");

        t = new DeprecatedTag();

        AnnotationTag adt = new AnnotationTag("Ljava/lang/Deprecated;");
        if (vatg[v] == null) vatg[v] = new VisibilityAnnotationTag(v);
        vatg[v].addAnnotation(adt);

      } else {
        Debug.printDbg("read visibility tag: ", a.getType());

        if (vatg[v] == null) vatg[v] = new VisibilityAnnotationTag(v);

        AnnotationTag tag = new AnnotationTag(a.getType());
        for (AnnotationElem e : getElements(a.getElements())) tag.addElem(e);
        vatg[v].addAnnotation(tag);
      }

      tags.add(t);
    }

    for (VisibilityAnnotationTag vat : vatg) if (vat != null) tags.add(vat);

    return tags;
  }