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Fix dex parser

This commit is contained in:
LoveSy 2023-01-07 03:01:42 +08:00 committed by LoveSy
parent 39bd97adab
commit a92a9cfb6b
3 changed files with 28 additions and 20 deletions
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4
core/src/main/java/android/content/res/XResources.java
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@ -82,6 +82,10 @@ public class XResources extends XposedResources {
private static final SparseArray<HashMap<String, Object>> sReplacements = new SparseArray<>();
private static final SparseArray<HashMap<String, ResourceNames>> sResourceNames = new SparseArray<>();
// A resource ID is a 32 bit number of the form: PPTTNNNN. PP is the package the resource is for;
// TT is the type of the resource;
// NNNN is the name of the resource in that type.
// For applications resources, PP is always 0x7f.
private static final byte[] sSystemReplacementsCache = new byte[256]; // bitmask: 0x000700ff => 2048 bit => 256 bytes
private byte[] mReplacementsCache; // bitmask: 0x0007007f => 1024 bit => 128 bytes
private static final HashMap<String, byte[]> sReplacementsCacheMap = new HashMap<>();

26
core/src/main/java/org/lsposed/lspd/impl/utils/LSPosedDexParser.java
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@ -368,14 +368,12 @@ public class LSPosedDexParser implements DexParser {
@Nullable
final AnnotationElement[] elements;
LSPosedAnnotation(int visibility, int type, @NonNull Object[] elements) {
LSPosedAnnotation(int visibility, int type, @NonNull int[] elements, @NonNull ByteBuffer[] elementValues) {
this.visibility = visibility;
this.type = typeIds[type];
var a = (int[]) elements[0];
var b = (ByteBuffer[]) elements[1];
this.elements = new AnnotationElement[b.length];
for (int i = 0; i < b.length; ++i) {
this.elements[i] = new LSPosedAnnotationElement(a[i * 2], a[i * 2 + 1], b[i]);
this.elements = new AnnotationElement[elementValues.length];
for (int i = 0; i < elementValues.length; ++i) {
this.elements[i] = new LSPosedAnnotationElement(elements[i * 2], elements[i * 2 + 1], elementValues[i]);
}
}
@ -441,10 +439,10 @@ public class LSPosedDexParser implements DexParser {
LSPosedFieldAnnotation(int field, @NonNull Object[] annotations) {
this.field = fieldIds[field];
var a = (int[]) annotations[0];
var b = (Object[][]) annotations[1];
var b = (Object[]) annotations[1];
this.annotations = new Annotation[b.length];
for (int i = 0; i < b.length; ++i) {
this.annotations[i] = new LSPosedAnnotation(a[2 * i], a[2 * i + 1], b[i]);
this.annotations[i] = new LSPosedAnnotation(a[2 * i], a[2 * i + 1], (int[]) b[2 * i], (ByteBuffer[]) b[2 * i + 1]);
}
}
@ -470,10 +468,10 @@ public class LSPosedDexParser implements DexParser {
LSPosedMethodAnnotation(int method, @NonNull Object[] annotations) {
this.method = methodIds[method];
var a = (int[]) annotations[0];
var b = (Object[][]) annotations[1];
var b = (Object[]) annotations[1];
this.annotations = new Annotation[b.length];
for (int i = 0; i < b.length; ++i) {
this.annotations[i] = new LSPosedAnnotation(a[2 * i], a[2 * i + 1], b[i]);
this.annotations[i] = new LSPosedAnnotation(a[2 * i], a[2 * i + 1], (int[]) b[2 * i], (ByteBuffer[]) b[2 * i + 1]);
}
}
@ -501,10 +499,10 @@ public class LSPosedDexParser implements DexParser {
this.annotations = new Annotation[annotations.length][];
for (int i = 0; i < annotations.length; ++i) {
var a = (int[]) annotations[i][0];
var b = (Object[][]) annotations[i][1];
var b = (Object[]) annotations[i][1];
this.annotations[i] = new Annotation[b.length];
for (int j = 0; j < b.length; ++j) {
this.annotations[i][j] = new LSPosedAnnotation(a[2 * j], a[2 * j + 1], b[j]);
this.annotations[i][j] = new LSPosedAnnotation(a[2 * j], a[2 * j + 1], (int[]) b[2 * j], (ByteBuffer[]) b[2 * j + 1]);
}
}
}
@ -599,9 +597,9 @@ public class LSPosedDexParser implements DexParser {
this.classAnnotations = new LSPosedAnnotation[num_class_annotations];
if (num_class_annotations > 0) {
var a = (int[]) classAnnotations[0];
var b = (Object[][]) classAnnotations[1];
var b = (Object[]) classAnnotations[1];
for (int i = 0; i < num_class_annotations; ++i) {
this.classAnnotations[i] = new LSPosedAnnotation(a[2 * i], a[2 * i + 1], b[i]);
this.classAnnotations[i] = new LSPosedAnnotation(a[2 * i], a[2 * i + 1], (int[]) b[2 * i], (ByteBuffer[]) b[2 * i + 1]);
}
}

18
core/src/main/jni/src/jni/dex_parser.cpp
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@ -29,18 +29,22 @@ namespace {
}
auto a = env->NewIntArray(static_cast<jint>(2 * annotation->size));
auto *a_ptr = env->GetIntArrayElements(a, nullptr);
auto b = env->NewObjectArray(static_cast<jint>(annotation->size), object_class, nullptr);
auto b = env->NewObjectArray(static_cast<jint>(2 * annotation->size), object_class,
nullptr);
for (size_t i = 0; i < annotation->size; ++i) {
auto *item = dex.dataPtr<dex::AnnotationItem>(annotation->entries[i]);
a_ptr[2 * i] = item->visibility;
auto *annotation_data = item->annotation;
a_ptr[2 * i + 1] = static_cast<jint>(dex::ReadULeb128(&annotation_data));
auto size = dex::ReadULeb128(&annotation_data);
auto bi = env->NewObjectArray(static_cast<jint>(size), object_class, nullptr);
auto b2i0 = env->NewIntArray(static_cast<jint>(2 * size));
auto *b2i0_ptr = env->GetIntArrayElements(b2i0, nullptr);
auto b2i1 = env->NewObjectArray(static_cast<jint>(size), object_class, nullptr);
for (size_t j = 0; j < size; ++j) {
auto name = dex::ReadULeb128(&annotation_data);
b2i0_ptr[2 * j] = static_cast<jint>(dex::ReadULeb128(&annotation_data));
auto arg_and_type = *annotation_data++;
auto value_type = arg_and_type & 0x1f;
b2i0_ptr[2 * j + 1] = value_type;
auto value_arg = arg_and_type >> 5;
jobject value = nullptr;
switch (value_type) {
@ -74,11 +78,13 @@ namespace {
default:
break;
}
env->SetObjectArrayElement(bi, static_cast<jint>(j), value);
env->SetObjectArrayElement(b2i1, static_cast<jint>(j), value);
env->DeleteLocalRef(value);
}
env->SetObjectArrayElement(b, static_cast<jint>(i), bi);
env->DeleteLocalRef(bi);
env->SetObjectArrayElement(b, static_cast<jint>(2 * i), b2i0);
env->SetObjectArrayElement(b, static_cast<jint>(2 * i + 1), b2i1);
env->DeleteLocalRef(b2i0);
env->DeleteLocalRef(b2i1);
}
env->ReleaseIntArrayElements(a, a_ptr, 0);
auto res = env->NewObjectArray(2, object_class, nullptr);