Examples with DexFile org.jf.dexlib2.iface.DexFile used on opensource projects

Example 46 with DexFile

use of org.jf.dexlib2.iface.DexFile in project smali by JesusFreke.

the class FieldGapOrderTest method testOldOrder.

@Test
public void testOldOrder() {
    DexFile dexFile = getInputDexFile("FieldGapOrder", new BaksmaliOptions());
    Assert.assertEquals(3, dexFile.getClasses().size());
    ClassPath classPath = new ClassPath(Lists.newArrayList(new DexClassProvider(dexFile)), false, 66);
    ClassProto classProto = (ClassProto) classPath.getClass("LGapOrder;");
    Assert.assertEquals("r1", classProto.getFieldByOffset(12).getName());
    Assert.assertEquals("r2", classProto.getFieldByOffset(16).getName());
    Assert.assertEquals("d", classProto.getFieldByOffset(24).getName());
    Assert.assertEquals("s", classProto.getFieldByOffset(36).getName());
    Assert.assertEquals("i", classProto.getFieldByOffset(32).getName());
}

Example 47 with DexFile

use of org.jf.dexlib2.iface.DexFile in project smali by JesusFreke.

the class DexFileFactory method loadDexContainer.

/**
     * Loads a file containing 1 or more dex files
     *
     * If the given file is a dex or odex file, it will return a MultiDexContainer containing that single entry.
     * Otherwise, for an oat or zip file, it will return an OatFile or ZipDexContainer respectively.
     *
     * @param file The file to open
     * @param opcodes The set of opcodes to use
     * @return A MultiDexContainer
     * @throws DexFileNotFoundException If the given file does not exist
     * @throws UnsupportedFileTypeException If the given file is not a valid dex/zip/odex/oat file
     */
public static MultiDexContainer<? extends DexBackedDexFile> loadDexContainer(@Nonnull File file, @Nonnull final Opcodes opcodes) throws IOException {
    if (!file.exists()) {
        throw new DexFileNotFoundException("%s does not exist", file.getName());
    }
    ZipDexContainer zipDexContainer = new ZipDexContainer(file, opcodes);
    if (zipDexContainer.isZipFile()) {
        return zipDexContainer;
    }
    InputStream inputStream = new BufferedInputStream(new FileInputStream(file));
    try {
        try {
            DexBackedDexFile dexFile = DexBackedDexFile.fromInputStream(opcodes, inputStream);
            return new SingletonMultiDexContainer(file.getPath(), dexFile);
        } catch (DexBackedDexFile.NotADexFile ex) {
        // just eat it
        }
        try {
            DexBackedOdexFile odexFile = DexBackedOdexFile.fromInputStream(opcodes, inputStream);
            return new SingletonMultiDexContainer(file.getPath(), odexFile);
        } catch (DexBackedOdexFile.NotAnOdexFile ex) {
        // just eat it
        }
        // Note: DexBackedDexFile.fromInputStream and DexBackedOdexFile.fromInputStream will reset inputStream
        // back to the same position, if they fails
        OatFile oatFile = null;
        try {
            oatFile = OatFile.fromInputStream(inputStream);
        } catch (NotAnOatFileException ex) {
        // just eat it
        }
        if (oatFile != null) {
            // TODO: we should support loading earlier oat files, just not deodexing them
            if (oatFile.isSupportedVersion() == OatFile.UNSUPPORTED) {
                throw new UnsupportedOatVersionException(oatFile);
            }
            return oatFile;
        }
    } finally {
        inputStream.close();
    }
    throw new UnsupportedFileTypeException("%s is not an apk, dex, odex or oat file.", file.getPath());
}

Example 48 with DexFile

use of org.jf.dexlib2.iface.DexFile in project smali by JesusFreke.

the class DexBackedClassDef method getInstanceFields.

@Nonnull
public Iterable<? extends DexBackedField> getInstanceFields(final boolean skipDuplicates) {
    if (instanceFieldCount > 0) {
        DexReader reader = dexFile.readerAt(getInstanceFieldsOffset());
        final AnnotationsDirectory annotationsDirectory = getAnnotationsDirectory();
        final int fieldsStartOffset = reader.getOffset();
        return new Iterable<DexBackedField>() {

            @Nonnull
            @Override
            public Iterator<DexBackedField> iterator() {
                final AnnotationsDirectory.AnnotationIterator annotationIterator = annotationsDirectory.getFieldAnnotationIterator();
                return new VariableSizeLookaheadIterator<DexBackedField>(dexFile, fieldsStartOffset) {

                    private int count;

                    @Nullable
                    private FieldReference previousField;

                    private int previousIndex;

                    @Nullable
                    @Override
                    protected DexBackedField readNextItem(@Nonnull DexReader reader) {
                        while (true) {
                            if (++count > instanceFieldCount) {
                                directMethodsOffset = reader.getOffset();
                                return endOfData();
                            }
                            DexBackedField item = new DexBackedField(reader, DexBackedClassDef.this, previousIndex, annotationIterator);
                            FieldReference currentField = previousField;
                            FieldReference nextField = ImmutableFieldReference.of(item);
                            previousField = nextField;
                            previousIndex = item.fieldIndex;
                            if (skipDuplicates && currentField != null && currentField.equals(nextField)) {
                                continue;
                            }
                            return item;
                        }
                    }
                };
            }
        };
    } else {
        if (instanceFieldsOffset > 0) {
            directMethodsOffset = instanceFieldsOffset;
        }
        return ImmutableSet.of();
    }
}

Example 49 with DexFile

use of org.jf.dexlib2.iface.DexFile in project smali by JesusFreke.

the class DexBackedMethodImplementation method getInstructions.

@Nonnull
@Override
public Iterable<? extends Instruction> getInstructions() {
    // instructionsSize is the number of 16-bit code units in the instruction list, not the number of instructions
    int instructionsSize = dexFile.readSmallUint(codeOffset + CodeItem.INSTRUCTION_COUNT_OFFSET);
    final int instructionsStartOffset = codeOffset + CodeItem.INSTRUCTION_START_OFFSET;
    final int endOffset = instructionsStartOffset + (instructionsSize * 2);
    return new Iterable<Instruction>() {

        @Override
        public Iterator<Instruction> iterator() {
            return new VariableSizeLookaheadIterator<Instruction>(dexFile, instructionsStartOffset) {

                @Override
                protected Instruction readNextItem(@Nonnull DexReader reader) {
                    if (reader.getOffset() >= endOffset) {
                        return endOfData();
                    }
                    Instruction instruction = DexBackedInstruction.readFrom(reader);
                    // Does the instruction extend past the end of the method?
                    int offset = reader.getOffset();
                    if (offset > endOffset || offset < 0) {
                        throw new ExceptionWithContext("The last instruction in method %s is truncated", method);
                    }
                    return instruction;
                }
            };
        }
    };
}

Example 50 with DexFile

use of org.jf.dexlib2.iface.DexFile in project smali by JesusFreke.

the class ClassDataItem method makeAnnotator.

@Nonnull
public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) {
    return new SectionAnnotator(annotator, mapItem) {

        private SectionAnnotator codeItemAnnotator = null;

        @Override
        public void annotateSection(@Nonnull AnnotatedBytes out) {
            codeItemAnnotator = annotator.getAnnotator(ItemType.CODE_ITEM);
            super.annotateSection(out);
        }

        @Nonnull
        @Override
        public String getItemName() {
            return "class_data_item";
        }

        @Override
        protected void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) {
            DexReader reader = dexFile.readerAt(out.getCursor());
            int staticFieldsSize = reader.readSmallUleb128();
            out.annotateTo(reader.getOffset(), "static_fields_size = %d", staticFieldsSize);
            int instanceFieldsSize = reader.readSmallUleb128();
            out.annotateTo(reader.getOffset(), "instance_fields_size = %d", instanceFieldsSize);
            int directMethodsSize = reader.readSmallUleb128();
            out.annotateTo(reader.getOffset(), "direct_methods_size = %d", directMethodsSize);
            int virtualMethodsSize = reader.readSmallUleb128();
            out.annotateTo(reader.getOffset(), "virtual_methods_size = %d", virtualMethodsSize);
            int previousIndex = 0;
            if (staticFieldsSize > 0) {
                out.annotate(0, "static_fields:");
                out.indent();
                for (int i = 0; i < staticFieldsSize; i++) {
                    out.annotate(0, "static_field[%d]", i);
                    out.indent();
                    previousIndex = annotateEncodedField(out, dexFile, reader, previousIndex);
                    out.deindent();
                }
                out.deindent();
            }
            if (instanceFieldsSize > 0) {
                out.annotate(0, "instance_fields:");
                out.indent();
                previousIndex = 0;
                for (int i = 0; i < instanceFieldsSize; i++) {
                    out.annotate(0, "instance_field[%d]", i);
                    out.indent();
                    previousIndex = annotateEncodedField(out, dexFile, reader, previousIndex);
                    out.deindent();
                }
                out.deindent();
            }
            if (directMethodsSize > 0) {
                out.annotate(0, "direct_methods:");
                out.indent();
                previousIndex = 0;
                for (int i = 0; i < directMethodsSize; i++) {
                    out.annotate(0, "direct_method[%d]", i);
                    out.indent();
                    previousIndex = annotateEncodedMethod(out, dexFile, reader, previousIndex);
                    out.deindent();
                }
                out.deindent();
            }
            if (virtualMethodsSize > 0) {
                out.annotate(0, "virtual_methods:");
                out.indent();
                previousIndex = 0;
                for (int i = 0; i < virtualMethodsSize; i++) {
                    out.annotate(0, "virtual_method[%d]", i);
                    out.indent();
                    previousIndex = annotateEncodedMethod(out, dexFile, reader, previousIndex);
                    out.deindent();
                }
                out.deindent();
            }
        }

        private int annotateEncodedField(@Nonnull AnnotatedBytes out, @Nonnull RawDexFile dexFile, @Nonnull DexReader reader, int previousIndex) {
            // large values may be used for the index delta, which cause the cumulative index to overflow upon
            // addition, effectively allowing out of order entries.
            int indexDelta = reader.readLargeUleb128();
            int fieldIndex = previousIndex + indexDelta;
            out.annotateTo(reader.getOffset(), "field_idx_diff = %d: %s", indexDelta, FieldIdItem.getReferenceAnnotation(dexFile, fieldIndex));
            int accessFlags = reader.readSmallUleb128();
            out.annotateTo(reader.getOffset(), "access_flags = 0x%x: %s", accessFlags, Joiner.on('|').join(AccessFlags.getAccessFlagsForField(accessFlags)));
            return fieldIndex;
        }

        private int annotateEncodedMethod(@Nonnull AnnotatedBytes out, @Nonnull RawDexFile dexFile, @Nonnull DexReader reader, int previousIndex) {
            // large values may be used for the index delta, which cause the cumulative index to overflow upon
            // addition, effectively allowing out of order entries.
            int indexDelta = reader.readLargeUleb128();
            int methodIndex = previousIndex + indexDelta;
            out.annotateTo(reader.getOffset(), "method_idx_diff = %d: %s", indexDelta, MethodIdItem.getReferenceAnnotation(dexFile, methodIndex));
            int accessFlags = reader.readSmallUleb128();
            out.annotateTo(reader.getOffset(), "access_flags = 0x%x: %s", accessFlags, Joiner.on('|').join(AccessFlags.getAccessFlagsForMethod(accessFlags)));
            int codeOffset = reader.readSmallUleb128();
            if (codeOffset == 0) {
                out.annotateTo(reader.getOffset(), "code_off = code_item[NO_OFFSET]");
            } else {
                out.annotateTo(reader.getOffset(), "code_off = code_item[0x%x]", codeOffset);
                addCodeItemIdentity(codeOffset, MethodIdItem.asString(dexFile, methodIndex));
            }
            return methodIndex;
        }

        private void addCodeItemIdentity(int codeItemOffset, String methodString) {
            if (codeItemAnnotator != null) {
                codeItemAnnotator.setItemIdentity(codeItemOffset, methodString);
            }
        }
    };
}