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add option to disable dex obfuscation

This commit is contained in:
kotori0 2022-02-05 12:34:57 +08:00 committed by LoveSy
parent 67e3460d7a
commit 2582eb3654
10 changed files with 97 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
app/src/main/java/org/lsposed/manager/ConfigManager.java
View File

@ -340,4 +340,23 @@ public class ConfigManager {
Log.e(App.TAG, Log.getStackTraceString(e));
}
}
public static boolean isDexObfuscateEnabled() {
try {
return LSPManagerServiceHolder.getService().getDexObfuscate();
} catch (RemoteException e) {
Log.e(App.TAG, Log.getStackTraceString(e));
return false;
}
}
public static boolean setDexObfuscateEnabled(boolean enabled) {
try {
LSPManagerServiceHolder.getService().setDexObfuscate(enabled);
return true;
} catch (RemoteException e) {
Log.e(App.TAG, Log.getStackTraceString(e));
return false;
}
}
}

9
app/src/main/java/org/lsposed/manager/ui/fragment/SettingsFragment.java
View File

@ -152,6 +152,15 @@ public class SettingsFragment extends BaseFragment {
ConfigManager.setVerboseLogEnabled(!(boolean) newValue));
}
SwitchPreference prefDexObfuscate = findPreference("enable_dex_obfuscate");
if (prefDexObfuscate != null) {
prefDexObfuscate.setEnabled(installed);
prefDexObfuscate.setChecked(!installed || !ConfigManager.isDexObfuscateEnabled());
prefDexObfuscate.setOnPreferenceChangeListener((preference, newValue) ->
ConfigManager.setDexObfuscateEnabled((boolean) newValue));
// TODO: toast "apply on next boot"?
}
SwitchPreference prefEnableShortcut = findPreference("enable_auto_add_shortcut");
if (prefEnableShortcut != null) {
prefEnableShortcut.setEnabled(installed);

1
app/src/main/res/values/strings.xml
View File

@ -182,6 +182,7 @@
<string name="update_channel_stable">Stable</string>
<string name="update_channel_bate">Beta</string>
<string name="update_channel_nightly">Nightly build</string>
<string name="pref_title_enable_dex_obfuscate">Enable Dex Obfuscate</string>
<!-- Module Repo -->
<string name="module_readme">Readme</string>

6
app/src/main/res/xml/prefs.xml
View File

@ -90,6 +90,12 @@
android:persistent="false"
android:title="@string/pref_title_disable_verbose_log" />
<SwitchPreference
android:defaultValue="true"
android:key="enable_dex_obfuscate"
android:persistent="false"
android:title="@string/pref_title_enable_dex_obfuscate" />
<Preference
android:icon="@drawable/ic_outline_app_shortcut_24"
android:key="add_shortcut"

36
daemon/src/main/cpp/obfuscation.cpp
View File

@ -35,9 +35,16 @@
#include "slicer/writer.h"
#include "obfuscation.h"
bool obfuscate_enabled(JNIEnv* env, jclass obfuscation_manager) {
auto method_enabled = JNI_GetMethodID(env, obfuscation_manager, "enabled", "()Z");
auto result = JNI_CallStaticBooleanMethod(env, obfuscation_manager, method_enabled);
return result;
}
extern "C"
JNIEXPORT void JNICALL
Java_org_lsposed_lspd_service_ObfuscationManager_init(JNIEnv *env, jclass ) {
Java_org_lsposed_lspd_service_ObfuscationManager_init(JNIEnv *env, jclass obfuscation_manager) {
if (!obfuscate_enabled(env, obfuscation_manager)) return;
LOGD("ObfuscationManager.init");
if (auto file_descriptor = JNI_FindClass(env, "java/io/FileDescriptor")) {
class_file_descriptor = JNI_NewGlobalRef(env, file_descriptor);
@ -55,10 +62,9 @@ Java_org_lsposed_lspd_service_ObfuscationManager_init(JNIEnv *env, jclass ) {
extern "C"
JNIEXPORT jstring JNICALL
Java_org_lsposed_lspd_service_ObfuscationManager_getObfuscatedSignature(JNIEnv *env, jclass ) {
if (!obfuscated_signature.empty()) {
return env->NewStringUTF(obfuscated_signature.c_str());
}
Java_org_lsposed_lspd_service_ObfuscationManager_getObfuscatedSignature(JNIEnv *env, jclass obfuscation_manager) {
if (!obfuscate_enabled(env, obfuscation_manager)) return env->NewStringUTF(old_signature.c_str());
if (!obfuscated_signature.empty()) return env->NewStringUTF(obfuscated_signature.c_str());
auto regen = []() {
static auto& chrs = "abcdefghijklmnopqrstuvwxyz"
@ -131,7 +137,7 @@ int obfuscateDex(const void *dex, size_t size) {
extern "C"
JNIEXPORT jint JNICALL
Java_org_lsposed_lspd_service_ObfuscationManager_preloadDex(JNIEnv *, jclass ) {
Java_org_lsposed_lspd_service_ObfuscationManager_preloadDex(JNIEnv *env, jclass obfuscation_manager) {
using namespace std::string_literals;
std::lock_guard lg(dex_lock);
if (lspdDex != -1) return lspdDex;
@ -149,14 +155,20 @@ Java_org_lsposed_lspd_service_ObfuscationManager_preloadDex(JNIEnv *, jclass ) {
LOGD("Loaded %s with size %zu", dex_path.data(), size);
if (!obfuscate_enabled(env, obfuscation_manager)) {
lspdDex = fileno(f.get());
return lspdDex;
}
auto *addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fileno(f.get()), 0);
if (addr == MAP_FAILED) {
PLOGE("Read dex");
PLOGE("Map dex");
return -1;
}
auto new_dex = obfuscateDex(addr, size);
munmap(addr, size);
LOGD("LSPApplicationService::preloadDex: %d, size=%zu", new_dex, ASharedMemory_getSize(new_dex));
lspdDex = new_dex;
return new_dex;
@ -164,8 +176,13 @@ Java_org_lsposed_lspd_service_ObfuscationManager_preloadDex(JNIEnv *, jclass ) {
extern "C"
JNIEXPORT jlong JNICALL
Java_org_lsposed_lspd_service_ObfuscationManager_getPreloadedDexSize(JNIEnv *, jclass ) {
Java_org_lsposed_lspd_service_ObfuscationManager_getPreloadedDexSize(JNIEnv *env, jclass obfuscation_manager) {
if (lspdDex != -1) {
if (!obfuscate_enabled(env, obfuscation_manager)) {
auto size = lseek(lspdDex, 0, SEEK_END);
lseek(lspdDex, 0, SEEK_SET);
return size;
}
return ASharedMemory_getSize(lspdDex);
}
return 0;
@ -173,8 +190,9 @@ Java_org_lsposed_lspd_service_ObfuscationManager_getPreloadedDexSize(JNIEnv *, j
extern "C"
JNIEXPORT jobject
Java_org_lsposed_lspd_service_ObfuscationManager_obfuscateDex(JNIEnv *env, jclass /*clazz*/,
Java_org_lsposed_lspd_service_ObfuscationManager_obfuscateDex(JNIEnv *env, jclass obfuscation_manager,
jobject memory) {
if (!obfuscate_enabled(env, obfuscation_manager)) { return memory; }
int fd = ASharedMemory_dupFromJava(env, memory);
auto size = ASharedMemory_getSize(fd);
LOGD("fd=%d, size=%zu", fd, size);

2
daemon/src/main/java/org/lsposed/lspd/service/ConfigFileManager.java
View File

@ -316,7 +316,9 @@ public class ConfigFileManager {
Channels.newChannel(in).read(byteBuffer);
SharedMemory.unmap(byteBuffer);
var new_memory = ObfuscationManager.obfuscateDex(memory);
if (memory != new_memory) {
memory.close();
}
new_memory.setProtect(OsConstants.PROT_READ);
preLoadedDexes.add(new_memory);
} catch (IOException | ErrnoException e) {

18
daemon/src/main/java/org/lsposed/lspd/service/ConfigManager.java
View File

@ -87,6 +87,7 @@ public class ConfigManager {
SQLiteDatabase.openOrCreateDatabase(ConfigFileManager.dbPath, null);
private boolean verboseLog = true;
private boolean dexObfuscate = true;
private boolean autoAddShortcut = true;
private String miscPath = null;
@ -867,6 +868,19 @@ public class ConfigManager {
verboseLog = on;
}
public boolean verboseLog() {
return BuildConfig.DEBUG || verboseLog;
}
public void setDexObfuscate(boolean on) {
updateModulePrefs("lspd", 0, "config", "enable_dex_obfuscate", on);
dexObfuscate = on;
}
public boolean dexObfuscate() {
return dexObfuscate;
}
public boolean isAddShortcut() {
Log.d(TAG, "Auto add shortcut=" + autoAddShortcut);
return autoAddShortcut;
@ -877,10 +891,6 @@ public class ConfigManager {
this.autoAddShortcut = on;
}
public boolean verboseLog() {
return BuildConfig.DEBUG || verboseLog;
}
public ParcelFileDescriptor getManagerApk() {
try {
return ConfigFileManager.getManagerApk();

10
daemon/src/main/java/org/lsposed/lspd/service/LSPManagerService.java
View File

@ -769,4 +769,14 @@ public class LSPManagerService extends ILSPManagerService.Stub {
public boolean performDexOptMode(String packageName) throws RemoteException {
return PackageService.performDexOptMode(packageName);
}
@Override
public boolean getDexObfuscate() throws RemoteException {
return ConfigManager.getInstance().dexObfuscate();
}
@Override
public void setDexObfuscate(boolean enabled) throws RemoteException {
ConfigManager.getInstance().setDexObfuscate(enabled);
}
}

4
daemon/src/main/java/org/lsposed/lspd/service/ObfuscationManager.java
View File

@ -3,6 +3,10 @@ package org.lsposed.lspd.service;
import android.os.SharedMemory;
public class ObfuscationManager {
static boolean enabled() {
return ConfigManager.getInstance().dexObfuscate();
}
static native void init();
// For module dexes

4
manager-service/src/main/aidl/org/lsposed/lspd/ILSPManagerService.aidl
View File

@ -75,4 +75,8 @@ interface ILSPManagerService {
boolean performDexOptMode(String packageName) = 40;
List<String> getDenyListPackages() = 41;
boolean getDexObfuscate() = 42;
void setDexObfuscate(boolean enable) = 43;
}