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Add the exec-spawning toggle from GrapheneOS

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Tested working on 18.1/klte

TODO: backport to 16.0

Signed-off-by: Tad <tad@spotco.us>
This commit is contained in:
Tad 2022-03-28 15:11:22 -04:00
parent a3266de8df
commit 8a03e46c7e
23 changed files with 388 additions and 49 deletions
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167
Patches/LineageOS-17.1/android_packages_apps_Settings/0009-exec_spawning_toggle.patch Normal file
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@ -0,0 +1,167 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sat, 26 Mar 2022 20:35:37 -0400
Subject: [PATCH] add exec spawning toggle
---
res/values/strings.xml | 2 +
res/xml/security_dashboard_settings.xml | 6 +
.../ExecSpawnPreferenceController.java | 106 ++++++++++++++++++
.../settings/security/SecuritySettings.java | 1 +
4 files changed, 115 insertions(+)
create mode 100644 src/com/android/settings/security/ExecSpawnPreferenceController.java
diff --git a/res/values/strings.xml b/res/values/strings.xml
index fd3d1cde64..4b9b109d89 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -11316,6 +11316,8 @@
<!-- UI debug setting: Force enable "smart dark" UI rendering feature summary [CHAR LIMIT=NONE] -->
<string name="hwui_force_dark_summary">Overrides the force-dark feature to be always-on</string>
+ <string name="exec_spawn_title">Enable secure app spawning</string>
+ <string name="exec_spawn_summary">Launch apps in a more secure way than Android which takes slightly longer and increases memory usage by app processes.</string>
<string name="native_debug_title">Enable native code debugging</string>
<string name="native_debug_summary">Generate useful logs / bug reports from crashes and permit debugging native code.</string>
diff --git a/res/xml/security_dashboard_settings.xml b/res/xml/security_dashboard_settings.xml
index 2c7b006f8b..08328ad7b6 100644
--- a/res/xml/security_dashboard_settings.xml
+++ b/res/xml/security_dashboard_settings.xml
@@ -64,6 +64,12 @@
android:entries="@array/auto_reboot_entries"
android:entryValues="@array/auto_reboot_values" />
+ <SwitchPreference
+ android:key="exec_spawn"
+ android:title="@string/exec_spawn_title"
+ android:summary="@string/exec_spawn_summary"
+ android:persistent="false" />
+
<SwitchPreference
android:key="native_debug"
android:title="@string/native_debug_title"
diff --git a/src/com/android/settings/security/ExecSpawnPreferenceController.java b/src/com/android/settings/security/ExecSpawnPreferenceController.java
new file mode 100644
index 0000000000..78f021210a
--- /dev/null
+++ b/src/com/android/settings/security/ExecSpawnPreferenceController.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.settings.security;
+
+import android.content.Context;
+
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.os.SystemProperties;
+
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
+import androidx.preference.SwitchPreference;
+
+import com.android.internal.widget.LockPatternUtils;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+
+public class ExecSpawnPreferenceController extends AbstractPreferenceController
+ implements PreferenceControllerMixin, OnResume, Preference.OnPreferenceChangeListener {
+
+ private static final String SYS_KEY_EXEC_SPAWN = "persist.security.exec_spawn";
+ private static final String PREF_KEY_EXEC_SPAWN = "exec_spawn";
+ private static final String PREF_KEY_SECURITY_CATEGORY = "security_category";
+
+ private PreferenceCategory mSecurityCategory;
+ private SwitchPreference mExecSpawn;
+ private boolean mIsAdmin;
+ private UserManager mUm;
+
+ public ExecSpawnPreferenceController(Context context) {
+ super(context);
+ mUm = UserManager.get(context);
+ }
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ super.displayPreference(screen);
+ mSecurityCategory = screen.findPreference(PREF_KEY_SECURITY_CATEGORY);
+ updatePreferenceState();
+ }
+
+ @Override
+ public boolean isAvailable() {
+ mIsAdmin = mUm.isAdminUser();
+ return mIsAdmin;
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return PREF_KEY_EXEC_SPAWN;
+ }
+
+ // TODO: should we use onCreatePreferences() instead?
+ private void updatePreferenceState() {
+ if (mSecurityCategory == null) {
+ return;
+ }
+
+ if (mIsAdmin) {
+ mExecSpawn = (SwitchPreference) mSecurityCategory.findPreference(PREF_KEY_EXEC_SPAWN);
+ mExecSpawn.setChecked(SystemProperties.getBoolean(SYS_KEY_EXEC_SPAWN, true));
+ } else {
+ mSecurityCategory.removePreference(mSecurityCategory.findPreference(PREF_KEY_EXEC_SPAWN));
+ }
+ }
+
+ @Override
+ public void onResume() {
+ updatePreferenceState();
+ if (mExecSpawn != null) {
+ boolean mode = mExecSpawn.isChecked();
+ SystemProperties.set(SYS_KEY_EXEC_SPAWN, Boolean.toString(mode));
+ }
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object value) {
+ final String key = preference.getKey();
+ if (PREF_KEY_EXEC_SPAWN.equals(key)) {
+ final boolean mode = !mExecSpawn.isChecked();
+ SystemProperties.set(SYS_KEY_EXEC_SPAWN, Boolean.toString(mode));
+ }
+ return true;
+ }
+}
diff --git a/src/com/android/settings/security/SecuritySettings.java b/src/com/android/settings/security/SecuritySettings.java
index 7aa126b75c..a5e0add739 100644
--- a/src/com/android/settings/security/SecuritySettings.java
+++ b/src/com/android/settings/security/SecuritySettings.java
@@ -121,6 +121,7 @@ public class SecuritySettings extends DashboardFragment {
securityPreferenceControllers.add(new FingerprintStatusPreferenceController(context));
securityPreferenceControllers.add(new ChangeScreenLockPreferenceController(context, host));
securityPreferenceControllers.add(new AutoRebootPreferenceController(context));
+ securityPreferenceControllers.add(new ExecSpawnPreferenceController(context));
securityPreferenceControllers.add(new NativeDebugPreferenceController(context));
controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY)
.setChildren(securityPreferenceControllers));

6
Patches/LineageOS-18.1/android_build/0003-Exec_Based_Spawning.patch
View File

@ -1,4 +1,4 @@
From a2b51906dece2ea351b5aa4b66fa8cdefbf37ff6 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Thu, 17 Sep 2020 10:53:00 -0400
Subject: [PATCH] disable enforce RRO for mainline devices
@ -12,10 +12,10 @@ exec-based spawning in GrapheneOS.
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/product/mainline_system.mk b/target/product/mainline_system.mk
index 1f22163c32..db2af7d1d2 100644
index e9f9dde138..1199b78598 100644
--- a/target/product/mainline_system.mk
+++ b/target/product/mainline_system.mk
@@ -115,7 +115,7 @@ PRODUCT_COPY_FILES += \
@@ -118,7 +118,7 @@ PRODUCT_COPY_FILES += \
# Enable dynamic partition size
PRODUCT_USE_DYNAMIC_PARTITION_SIZE := true

8
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-1.patch
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@ -1,4 +1,4 @@
From 14c3c1d4cd2df5dde69274e76a91b42fa383e577 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sat, 14 Mar 2015 18:10:20 -0400
Subject: [PATCH] add exec-based spawning support
@ -135,7 +135,7 @@ diff --git a/core/java/com/android/internal/os/WrapperInit.java b/core/java/com/
index 790d7f7ab694..4f7fd039ccd7 100644
--- a/core/java/com/android/internal/os/WrapperInit.java
+++ b/core/java/com/android/internal/os/WrapperInit.java
@@ -185,7 +185,7 @@ private static Runnable wrapperInit(int targetSdkVersion, String[] argv) {
@@ -185,7 +185,7 @@ public class WrapperInit {
* This is acceptable here as failure will leave the wrapped app with strictly less
* capabilities, which may make it crash, but not exceed its allowances.
*/
@ -148,7 +148,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteConnection.java b/core/java
index e6a3029c5b2b..a702e84813fa 100644
--- a/core/java/com/android/internal/os/ZygoteConnection.java
+++ b/core/java/com/android/internal/os/ZygoteConnection.java
@@ -29,6 +29,7 @@
@@ -29,6 +29,7 @@ import android.net.Credentials;
import android.net.LocalSocket;
import android.os.Parcel;
import android.os.Process;
@ -156,7 +156,7 @@ index e6a3029c5b2b..a702e84813fa 100644
import android.os.Trace;
import android.system.ErrnoException;
import android.system.Os;
@@ -501,6 +502,13 @@ private Runnable handleChildProc(ZygoteArguments parsedArgs,
@@ -501,6 +502,13 @@ class ZygoteConnection {
throw new IllegalStateException("WrapperInit.execApplication unexpectedly returned");
} else {
if (!isZygote) {

4
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-10.patch
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@ -1,4 +1,4 @@
From d414dcaa351e7a890d31c1da949421fb435ff168 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 11 Sep 2019 06:57:24 -0400
Subject: [PATCH] disable preloading classloaders for exec spawning
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index ad3b95ec67fc..0877a1668930 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -135,9 +135,11 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -135,9 +135,11 @@ public class ZygoteInit {
preloadClasses();
bootTimingsTraceLog.traceEnd(); // PreloadClasses
}

4
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-11.patch
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@ -1,4 +1,4 @@
From b4cd877e3a0c2384b8939d5d1e2b6b734bbd13b2 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 11 Sep 2019 06:58:51 -0400
Subject: [PATCH] disable preloading HALs for exec spawning
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index 0877a1668930..d19868ebd9ca 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -145,9 +145,11 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -145,9 +145,11 @@ public class ZygoteInit {
preloadResources();
bootTimingsTraceLog.traceEnd(); // PreloadResources
}

12
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-12.patch
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@ -1,4 +1,4 @@
From 98634286bbdffe967a9a03442e5aa324ec26986a Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: anupritaisno1 <www.anuprita804@gmail.com>
Date: Fri, 30 Oct 2020 22:26:09 +0000
Subject: [PATCH] pass through runtime flags for exec spawning and implement
@ -16,7 +16,7 @@ diff --git a/core/java/com/android/internal/os/ExecInit.java b/core/java/com/and
index 830e5b562a91..749c67abf389 100644
--- a/core/java/com/android/internal/os/ExecInit.java
+++ b/core/java/com/android/internal/os/ExecInit.java
@@ -31,15 +31,20 @@ public static void main(String[] args) {
@@ -31,15 +31,20 @@ public class ExecInit {
// Parse our mandatory argument.
int targetSdkVersion = Integer.parseInt(args[0], 10);
@ -39,7 +39,7 @@ index 830e5b562a91..749c67abf389 100644
r.run();
}
@@ -52,9 +57,9 @@ public static void main(String[] args) {
@@ -52,9 +57,9 @@ public class ExecInit {
* @param args Arguments for {@link RuntimeInit#main}.
*/
public static void execApplication(String niceName, int targetSdkVersion,
@ -51,7 +51,7 @@ index 830e5b562a91..749c67abf389 100644
String[] argv = new String[baseArgs + args.length];
if (VMRuntime.is64BitInstructionSet(instructionSet)) {
argv[0] = "/system/bin/app_process64";
@@ -68,6 +73,7 @@ public static void execApplication(String niceName, int targetSdkVersion,
@@ -68,6 +73,7 @@ public class ExecInit {
}
argv[3 + niceArgs] = "com.android.internal.os.ExecInit";
argv[4 + niceArgs] = Integer.toString(targetSdkVersion);
@ -63,7 +63,7 @@ diff --git a/core/java/com/android/internal/os/Zygote.java b/core/java/com/andro
index a7d9827855a2..aa874ad98a78 100644
--- a/core/java/com/android/internal/os/Zygote.java
+++ b/core/java/com/android/internal/os/Zygote.java
@@ -1097,4 +1097,13 @@ static void appendQuotedShellArgs(StringBuilder command, String[] args) {
@@ -1097,4 +1097,13 @@ public final class Zygote {
* fully-feature Memory Tagging, rather than the static Tagged Pointers.
*/
public static native boolean nativeSupportsTaggedPointers();
@ -81,7 +81,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteConnection.java b/core/java
index 9b4664178530..4ae69677f1dd 100644
--- a/core/java/com/android/internal/os/ZygoteConnection.java
+++ b/core/java/com/android/internal/os/ZygoteConnection.java
@@ -505,7 +505,7 @@ private Runnable handleChildProc(ZygoteArguments parsedArgs,
@@ -505,7 +505,7 @@ class ZygoteConnection {
if (SystemProperties.getBoolean("sys.spawn.exec", true) &&
(parsedArgs.mRuntimeFlags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) {
ExecInit.execApplication(parsedArgs.mNiceName, parsedArgs.mTargetSdkVersion,

4
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-2.patch
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@ -1,4 +1,4 @@
From ac1943345ec96411ecbac3ce9b15cb371cc03551 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 21 May 2019 23:54:20 -0400
Subject: [PATCH] disable exec spawning when using debugging options
@ -13,7 +13,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteConnection.java b/core/java
index a702e84813fa..9b4664178530 100644
--- a/core/java/com/android/internal/os/ZygoteConnection.java
+++ b/core/java/com/android/internal/os/ZygoteConnection.java
@@ -502,7 +502,8 @@ private Runnable handleChildProc(ZygoteArguments parsedArgs,
@@ -502,7 +502,8 @@ class ZygoteConnection {
throw new IllegalStateException("WrapperInit.execApplication unexpectedly returned");
} else {
if (!isZygote) {

8
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-3.patch
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@ -1,4 +1,4 @@
From 1abb8050413dae6ac6c1a082a38fb555c88534b9 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 14 May 2019 14:24:21 -0400
Subject: [PATCH] add parameter for avoiding full preload with exec
@ -12,7 +12,7 @@ diff --git a/core/java/com/android/internal/os/ExecInit.java b/core/java/com/and
index 2adcab7fdbe6..830e5b562a91 100644
--- a/core/java/com/android/internal/os/ExecInit.java
+++ b/core/java/com/android/internal/os/ExecInit.java
@@ -33,7 +33,7 @@ public static void main(String[] args) {
@@ -33,7 +33,7 @@ public class ExecInit {
// Mimic system Zygote preloading.
ZygoteInit.preload(new TimingsTraceLog("ExecInitTiming",
@ -25,7 +25,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index 2e32730a6ecb..b9460f56d003 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -125,7 +125,7 @@
@@ -125,7 +125,7 @@ public class ZygoteInit {
private static boolean sPreloadComplete;
@ -34,7 +34,7 @@ index 2e32730a6ecb..b9460f56d003 100644
Log.d(TAG, "begin preload");
bootTimingsTraceLog.traceBegin("BeginPreload");
beginPreload();
@@ -157,6 +157,10 @@ static void preload(TimingsTraceLog bootTimingsTraceLog) {
@@ -157,6 +157,10 @@ public class ZygoteInit {
sPreloadComplete = true;
}

8
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-4.patch
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@ -1,4 +1,4 @@
From 2e07ab8c242551e6847bffef84546ed5eaf345cf Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 11 Sep 2019 06:43:55 -0400
Subject: [PATCH] pass through fullPreload to libcore
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index b9460f56d003..467183355515 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -128,7 +128,7 @@
@@ -128,7 +128,7 @@ public class ZygoteInit {
static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
Log.d(TAG, "begin preload");
bootTimingsTraceLog.traceBegin("BeginPreload");
@ -20,7 +20,7 @@ index b9460f56d003..467183355515 100644
bootTimingsTraceLog.traceEnd(); // BeginPreload
bootTimingsTraceLog.traceBegin("PreloadClasses");
preloadClasses();
@@ -150,7 +150,7 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -150,7 +150,7 @@ public class ZygoteInit {
// Ask the WebViewFactory to do any initialization that must run in the zygote process,
// for memory sharing purposes.
WebViewFactory.prepareWebViewInZygote();
@ -29,7 +29,7 @@ index b9460f56d003..467183355515 100644
warmUpJcaProviders();
Log.d(TAG, "end preload");
@@ -168,14 +168,14 @@ public static void lazyPreload() {
@@ -168,14 +168,14 @@ public class ZygoteInit {
preload(new TimingsTraceLog("ZygoteInitTiming_lazy", Trace.TRACE_TAG_DALVIK));
}

4
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-5.patch
View File

@ -1,4 +1,4 @@
From 0044836677b9be153e04a91dddddcb74d9585643 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 14 May 2019 14:28:27 -0400
Subject: [PATCH] disable OpenGL preloading for exec spawning
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index 467183355515..e93e70443ee6 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -142,9 +142,11 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -142,9 +142,11 @@ public class ZygoteInit {
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadAppProcessHALs");
nativePreloadAppProcessHALs();
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);

4
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-6.patch
View File

@ -1,4 +1,4 @@
From c561811fad950dce791ef9941753ef95076da4c0 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 14 May 2019 14:28:52 -0400
Subject: [PATCH] disable resource preloading for exec spawning
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index e93e70443ee6..2d1f301668a4 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -136,9 +136,11 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -136,9 +136,11 @@ public class ZygoteInit {
bootTimingsTraceLog.traceBegin("CacheNonBootClasspathClassLoaders");
cacheNonBootClasspathClassLoaders();
bootTimingsTraceLog.traceEnd(); // CacheNonBootClasspathClassLoaders

4
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-7.patch
View File

@ -1,4 +1,4 @@
From 7a848373efa0bd5b948af7ade19927a8706f9ea2 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 14 May 2019 14:30:59 -0400
Subject: [PATCH] disable class preloading for exec spawning
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index 2d1f301668a4..b7246d0ac5ce 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -130,9 +130,11 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -130,9 +130,11 @@ public class ZygoteInit {
bootTimingsTraceLog.traceBegin("BeginPreload");
beginPreload(fullPreload);
bootTimingsTraceLog.traceEnd(); // BeginPreload

4
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-8.patch
View File

@ -1,4 +1,4 @@
From 89646bdeb19463424158544c6942224320e9e180 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 14 May 2019 14:31:29 -0400
Subject: [PATCH] disable WebView reservation for exec spawning
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index b7246d0ac5ce..04a323254c72 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -153,9 +153,11 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -153,9 +153,11 @@ public class ZygoteInit {
}
preloadSharedLibraries();
preloadTextResources();

8
Patches/LineageOS-18.1/android_frameworks_base/0018-Exec_Based_Spawning-9.patch
View File

@ -1,4 +1,4 @@
From 2a70bbac4a8342175971498084494845b4f24546 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 14 May 2019 14:34:32 -0400
Subject: [PATCH] disable JCA provider warm up for exec spawning
@ -11,7 +11,7 @@ diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/a
index 04a323254c72..ad3b95ec67fc 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -159,7 +159,7 @@ static void preload(TimingsTraceLog bootTimingsTraceLog, boolean fullPreload) {
@@ -159,7 +159,7 @@ public class ZygoteInit {
WebViewFactory.prepareWebViewInZygote();
}
endPreload(fullPreload);
@ -20,7 +20,7 @@ index 04a323254c72..ad3b95ec67fc 100644
Log.d(TAG, "end preload");
sPreloadComplete = true;
@@ -229,7 +229,7 @@ private static void preloadTextResources() {
@@ -229,7 +229,7 @@ public class ZygoteInit {
* By doing it here we avoid that each app does it when requesting a service from the provider
* for the first time.
*/
@ -29,7 +29,7 @@ index 04a323254c72..ad3b95ec67fc 100644
long startTime = SystemClock.uptimeMillis();
Trace.traceBegin(
Trace.TRACE_TAG_DALVIK, "Starting installation of AndroidKeyStoreProvider");
@@ -241,15 +241,17 @@ private static void warmUpJcaProviders() {
@@ -241,15 +241,17 @@ public class ZygoteInit {
+ (SystemClock.uptimeMillis() - startTime) + "ms.");
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);

6
Patches/LineageOS-18.1/android_libcore/0003-Exec_Based_Spawning-1.patch
View File

@ -1,4 +1,4 @@
From 4c2635390c10512b0c79ee1f3658a25d6b671ca0 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 11 Sep 2019 06:46:38 -0400
Subject: [PATCH] add parameter for avoiding full preload with exec
@ -12,7 +12,7 @@ diff --git a/dalvik/src/main/java/dalvik/system/ZygoteHooks.java b/dalvik/src/ma
index 7e8fe3651e..de5a056143 100644
--- a/dalvik/src/main/java/dalvik/system/ZygoteHooks.java
+++ b/dalvik/src/main/java/dalvik/system/ZygoteHooks.java
@@ -48,7 +48,7 @@ private ZygoteHooks() {
@@ -48,7 +48,7 @@ public final class ZygoteHooks {
* Called when the zygote begins preloading classes and data.
*/
@libcore.api.CorePlatformApi
@ -21,7 +21,7 @@ index 7e8fe3651e..de5a056143 100644
// Pin ICU data in memory from this point that would normally be held by soft references.
// Without this, any references created immediately below or during class preloading
// would be collected when the Zygote GC runs in gcAndFinalize().
@@ -71,7 +71,7 @@ public static void onBeginPreload() {
@@ -71,7 +71,7 @@ public final class ZygoteHooks {
* Called when the zygote has completed preloading classes and data.
*/
@libcore.api.CorePlatformApi

6
Patches/LineageOS-18.1/android_libcore/0003-Exec_Based_Spawning-2.patch
View File

@ -1,4 +1,4 @@
From add34a4bc6aa69f21f012d62215b5af500bea551 Mon Sep 17 00:00:00 2001
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 11 Sep 2019 06:47:11 -0400
Subject: [PATCH] disable ICU cache pinning for exec spawning
@ -11,7 +11,7 @@ diff --git a/dalvik/src/main/java/dalvik/system/ZygoteHooks.java b/dalvik/src/ma
index de5a056143..e77cec2517 100644
--- a/dalvik/src/main/java/dalvik/system/ZygoteHooks.java
+++ b/dalvik/src/main/java/dalvik/system/ZygoteHooks.java
@@ -49,15 +49,17 @@ private ZygoteHooks() {
@@ -49,15 +49,17 @@ public final class ZygoteHooks {
*/
@libcore.api.CorePlatformApi
public static void onBeginPreload(boolean fullPreload) {
@ -38,7 +38,7 @@ index de5a056143..e77cec2517 100644
}
// Framework's LocalLog is used during app start-up. It indirectly uses the current ICU time
@@ -72,8 +74,10 @@ public static void onBeginPreload(boolean fullPreload) {
@@ -72,8 +74,10 @@ public final class ZygoteHooks {
*/
@libcore.api.CorePlatformApi
public static void onEndPreload(boolean fullPreload) {

2
Patches/LineageOS-18.1/android_packages_apps_Settings/0009-Install_Restrictions.patch
View File

@ -10,7 +10,7 @@ Subject: [PATCH] UserManager app installation restrictions
3 files changed, 44 insertions(+), 5 deletions(-)
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 87ef39ed10..66b27f3263 100644
index b33a94d4a6..1cd05427d1 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -7088,6 +7088,8 @@

167
Patches/LineageOS-18.1/android_packages_apps_Settings/0010-exec_spawning_toggle.patch Normal file
View File

@ -0,0 +1,167 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sat, 26 Mar 2022 20:35:37 -0400
Subject: [PATCH] add exec spawning toggle
---
res/values/strings.xml | 2 +
res/xml/security_dashboard_settings.xml | 6 +
.../ExecSpawnPreferenceController.java | 106 ++++++++++++++++++
.../settings/security/SecuritySettings.java | 1 +
4 files changed, 115 insertions(+)
create mode 100644 src/com/android/settings/security/ExecSpawnPreferenceController.java
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 87ef39ed10..b33a94d4a6 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -11957,6 +11957,8 @@
<!-- UI debug setting: Force enable "smart dark" UI rendering feature summary [CHAR LIMIT=NONE] -->
<string name="hwui_force_dark_summary">Overrides the force-dark feature to be always-on</string>
+ <string name="exec_spawn_title">Enable secure app spawning</string>
+ <string name="exec_spawn_summary">Launch apps in a more secure way than Android which takes slightly longer and increases memory usage by app processes.</string>
<string name="native_debug_title">Enable native code debugging</string>
<string name="native_debug_summary">Generate useful logs / bug reports from crashes and permit debugging native code.</string>
diff --git a/res/xml/security_dashboard_settings.xml b/res/xml/security_dashboard_settings.xml
index 06b3511ceb..75cc0b261d 100644
--- a/res/xml/security_dashboard_settings.xml
+++ b/res/xml/security_dashboard_settings.xml
@@ -64,6 +64,12 @@
android:entries="@array/auto_reboot_entries"
android:entryValues="@array/auto_reboot_values" />
+ <SwitchPreference
+ android:key="exec_spawn"
+ android:title="@string/exec_spawn_title"
+ android:summary="@string/exec_spawn_summary"
+ android:persistent="false" />
+
<SwitchPreference
android:key="native_debug"
android:title="@string/native_debug_title"
diff --git a/src/com/android/settings/security/ExecSpawnPreferenceController.java b/src/com/android/settings/security/ExecSpawnPreferenceController.java
new file mode 100644
index 0000000000..78f021210a
--- /dev/null
+++ b/src/com/android/settings/security/ExecSpawnPreferenceController.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.settings.security;
+
+import android.content.Context;
+
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.os.SystemProperties;
+
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
+import androidx.preference.SwitchPreference;
+
+import com.android.internal.widget.LockPatternUtils;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+
+public class ExecSpawnPreferenceController extends AbstractPreferenceController
+ implements PreferenceControllerMixin, OnResume, Preference.OnPreferenceChangeListener {
+
+ private static final String SYS_KEY_EXEC_SPAWN = "persist.security.exec_spawn";
+ private static final String PREF_KEY_EXEC_SPAWN = "exec_spawn";
+ private static final String PREF_KEY_SECURITY_CATEGORY = "security_category";
+
+ private PreferenceCategory mSecurityCategory;
+ private SwitchPreference mExecSpawn;
+ private boolean mIsAdmin;
+ private UserManager mUm;
+
+ public ExecSpawnPreferenceController(Context context) {
+ super(context);
+ mUm = UserManager.get(context);
+ }
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ super.displayPreference(screen);
+ mSecurityCategory = screen.findPreference(PREF_KEY_SECURITY_CATEGORY);
+ updatePreferenceState();
+ }
+
+ @Override
+ public boolean isAvailable() {
+ mIsAdmin = mUm.isAdminUser();
+ return mIsAdmin;
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return PREF_KEY_EXEC_SPAWN;
+ }
+
+ // TODO: should we use onCreatePreferences() instead?
+ private void updatePreferenceState() {
+ if (mSecurityCategory == null) {
+ return;
+ }
+
+ if (mIsAdmin) {
+ mExecSpawn = (SwitchPreference) mSecurityCategory.findPreference(PREF_KEY_EXEC_SPAWN);
+ mExecSpawn.setChecked(SystemProperties.getBoolean(SYS_KEY_EXEC_SPAWN, true));
+ } else {
+ mSecurityCategory.removePreference(mSecurityCategory.findPreference(PREF_KEY_EXEC_SPAWN));
+ }
+ }
+
+ @Override
+ public void onResume() {
+ updatePreferenceState();
+ if (mExecSpawn != null) {
+ boolean mode = mExecSpawn.isChecked();
+ SystemProperties.set(SYS_KEY_EXEC_SPAWN, Boolean.toString(mode));
+ }
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object value) {
+ final String key = preference.getKey();
+ if (PREF_KEY_EXEC_SPAWN.equals(key)) {
+ final boolean mode = !mExecSpawn.isChecked();
+ SystemProperties.set(SYS_KEY_EXEC_SPAWN, Boolean.toString(mode));
+ }
+ return true;
+ }
+}
diff --git a/src/com/android/settings/security/SecuritySettings.java b/src/com/android/settings/security/SecuritySettings.java
index 6f939d3165..387814c406 100644
--- a/src/com/android/settings/security/SecuritySettings.java
+++ b/src/com/android/settings/security/SecuritySettings.java
@@ -119,6 +119,7 @@ public class SecuritySettings extends DashboardFragment {
securityPreferenceControllers.add(new FingerprintStatusPreferenceController(context));
securityPreferenceControllers.add(new ChangeScreenLockPreferenceController(context, host));
securityPreferenceControllers.add(new AutoRebootPreferenceController(context));
+ securityPreferenceControllers.add(new ExecSpawnPreferenceController(context));
securityPreferenceControllers.add(new NativeDebugPreferenceController(context));
controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY)
.setChildren(securityPreferenceControllers));

2
Patches/Linux

@ -1 +1 @@
Subproject commit 9a960526a5d73ec6b619d4fca0d4073829916a82
Subproject commit 311413e58ad8e300a0ef858adc59c365dad5f6c7

1
Scripts/LineageOS-16.0/Patch.sh
View File

@ -154,6 +154,7 @@ applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-7.patc
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-8.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-9.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-10.patch";
sed -i 's/sys.spawn.exec/persist.security.exec_spawn/' core/java/com/android/internal/os/ZygoteConnection.java;
fi;
applyPatch "$DOS_PATCHES_COMMON/android_frameworks_base/0003-SUPL_No_IMSI.patch"; #Don't send IMSI to SUPL (MSe1969)
applyPatch "$DOS_PATCHES_COMMON/android_frameworks_base/0004-Fingerprint_Lockout.patch"; #Enable fingerprint lockout after three failed attempts (GrapheneOS)

2
Scripts/LineageOS-17.1/Patch.sh
View File

@ -147,6 +147,7 @@ applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-9.patc
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-10.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-11.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-12.patch";
sed -i 's/sys.spawn.exec/persist.security.exec_spawn/' core/java/com/android/internal/os/ZygoteConnection.java;
fi;
applyPatch "$DOS_PATCHES/android_frameworks_base/0003-SUPL_No_IMSI.patch"; #Don't send IMSI to SUPL (MSe1969)
applyPatch "$DOS_PATCHES/android_frameworks_base/0004-Fingerprint_Lockout.patch"; #Enable fingerprint lockout after three failed attempts (GrapheneOS)
@ -296,6 +297,7 @@ applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0006-Bluetooth_Timeout.p
applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0007-WiFi_Timeout.patch"; #Timeout for Wi-Fi (CalyxOS)
fi;
if [ "$DOS_GRAPHENE_PTRACE_SCOPE" = true ]; then applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0008-ptrace_scope.patch"; fi; #Add native debugging setting (GrapheneOS)
if [ "$DOS_GRAPHENE_EXEC" = true ]; then applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0009-exec_spawning_toggle.patch"; fi; #Add exec spawning toggle (GrapheneOS)
sed -i 's/private int mPasswordMaxLength = 16;/private int mPasswordMaxLength = 48;/' src/com/android/settings/password/ChooseLockPassword.java; #Increase max password length (GrapheneOS)
sed -i 's/if (isFullDiskEncrypted()) {/if (false) {/' src/com/android/settings/accessibility/*AccessibilityService*.java; #Never disable secure start-up when enabling an accessibility service
if [ "$DOS_MICROG_INCLUDED" = "FULL" ]; then sed -i 's/GSETTINGS_PROVIDER = "com.google.settings";/GSETTINGS_PROVIDER = "com.google.oQuae4av";/' src/com/android/settings/backup/PrivacySettingsUtils.java; fi; #microG doesn't support Backup, hide the options

2
Scripts/LineageOS-18.1/Functions.sh
View File

@ -122,7 +122,7 @@ buildAll() {
buildDevice coral avb;
buildDevice flame avb;
#buildDevice raphael avb; #unb + missing vendor
#buildDevice vayu avb; #broken vendor
buildDevice vayu avb; #needs init.qcom.sensors.sh
#SD765
buildDevice bramble avb;
buildDevice redfin avb;

4
Scripts/LineageOS-18.1/Patch.sh
View File

@ -89,7 +89,7 @@ if enterAndClear "build/make"; then
git revert --no-edit def3f14af17ae92192d2cc7d22349cabfa906fd6; #Re-enable the downgrade check
applyPatch "$DOS_PATCHES/android_build/0001-Enable_fwrapv.patch"; #Use -fwrapv at a minimum (GrapheneOS)
applyPatch "$DOS_PATCHES/android_build/0002-OTA_Keys.patch"; #Add correct keys to recovery for OTA verification
if [ "$DOS_GRAPHENE_EXEC" = true ]; then applyPatch "$DOS_PATCHES/android_build/0003-Exec_Based_Spawning.patch"; fi; #Add exec-based spawning support (GrapheneOS)
#if [ "$DOS_GRAPHENE_EXEC" = true ]; then applyPatch "$DOS_PATCHES/android_build/0003-Exec_Based_Spawning.patch"; fi; #Add exec-based spawning support (GrapheneOS) #XXX: many devices depend on RROs and most override this anyway
sed -i '75i$(my_res_package): PRIVATE_AAPT_FLAGS += --auto-add-overlay' core/aapt2.mk; #Enable auto-add-overlay for packages, this allows the vendor overlay to easily work across all branches.
if [ "$DOS_SILENCE_INCLUDED" = true ]; then sed -i 's/messaging/Silence/' target/product/aosp_base_telephony.mk target/product/aosp_product.mk; fi; #Replace the Messaging app with Silence
awk -i inplace '!/updatable_apex.mk/' target/product/mainline_system.mk; #Disable APEX
@ -160,6 +160,7 @@ applyPatch "$DOS_PATCHES/android_frameworks_base/0018-Exec_Based_Spawning-9.patc
applyPatch "$DOS_PATCHES/android_frameworks_base/0018-Exec_Based_Spawning-10.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0018-Exec_Based_Spawning-11.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0018-Exec_Based_Spawning-12.patch";
sed -i 's/sys.spawn.exec/persist.security.exec_spawn/' core/java/com/android/internal/os/ZygoteConnection.java;
fi;
applyPatch "$DOS_PATCHES_COMMON/android_frameworks_base/0006-Do-not-throw-in-setAppOnInterfaceLocked.patch"; #Fix random reboots on broken kernels when an app has data restricted XXX: ugly
if [ "$DOS_MICROG_INCLUDED" = "FULL" ]; then applyPatch "$DOS_PATCHES/android_frameworks_base/0002-Signature_Spoofing.patch"; fi; #Allow packages to spoof their signature (microG)
@ -301,6 +302,7 @@ applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0006-Bluetooth_Timeout.p
applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0007-WiFi_Timeout.patch"; #Timeout for Wi-Fi (CalyxOS)
fi;
if [ "$DOS_GRAPHENE_PTRACE_SCOPE" = true ]; then applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0008-ptrace_scope.patch"; fi; #Add native debugging setting (GrapheneOS)
if [ "$DOS_GRAPHENE_EXEC" = true ]; then applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0010-exec_spawning_toggle.patch"; fi; #Add exec spawning toggle (GrapheneOS)
applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0009-Install_Restrictions.patch"; #UserManager app installation restrictions (GrapheneOS)
sed -i 's/if (isFullDiskEncrypted()) {/if (false) {/' src/com/android/settings/accessibility/*AccessibilityService*.java; #Never disable secure start-up when enabling an accessibility service
if [ "$DOS_MICROG_INCLUDED" = "FULL" ]; then sed -i 's/GSETTINGS_PROVIDER = "com.google.settings";/GSETTINGS_PROVIDER = "com.google.oQuae4av";/' src/com/android/settings/backup/PrivacySettingsUtils.java; fi; #microG doesn't support Backup, hide the options