Android 14 Support (Partial) (#3206)

* fix: prevent over-reading config flags

* feat: add grammatical inflection

* fix: add natural requirement for U

* fix: UpsideDownCake is now 34

* test: test for grammatical inflection

* fix: add detection for compact resources

* fix: add detection for offset16 table types

* Revert "test: test for grammatical inflection"

This reverts commit fa08cef9fe6d436176f74152d85a652a771971ad.

* refactor: use enum instead of magic numbers

brut.apktool/apktool-lib/src/main/java/brut/androlib/apk/ApkInfo.java

@@ -191,6 +191,7 @@ public class ApkInfo implements YamlSerializable {
                 return ResConfigFlags.SDK_TIRAMISU;
             case "UPSIDEDOWNCAKE":
             case "UPSIDE_DOWN_CAKE":
+                return ResConfigFlags.SDK_UPSIDEDOWN_CAKE;
             case "VANILLAICECREAM":
             case "VANILLA_ICE_CREAM":
                 return ResConfigFlags.SDK_DEVELOPMENT;

brut.apktool/apktool-lib/src/main/java/brut/androlib/res/data/ResConfigFlags.java

@@ -32,6 +32,7 @@ public class ResConfigFlags {
     public final byte keyboard;
     public final byte navigation;
     public final byte inputFlags;
+    public final byte grammaticalInflection;
 
     public final short screenWidth;
     public final short screenHeight;
@@ -70,6 +71,7 @@ public class ResConfigFlags {
         keyboard = KEYBOARD_ANY;
         navigation = NAVIGATION_ANY;
         inputFlags = KEYSHIDDEN_ANY | NAVHIDDEN_ANY;
+        grammaticalInflection = GRAMMATICAL_GENDER_ANY;
         screenWidth = 0;
         screenHeight = 0;
         sdkVersion = 0;
@@ -91,7 +93,7 @@ public class ResConfigFlags {
     public ResConfigFlags(short mcc, short mnc, char[] language,
                           char[] region, byte orientation,
                           byte touchscreen, int density, byte keyboard, byte navigation,
-                          byte inputFlags, short screenWidth, short screenHeight,
+                          byte inputFlags, byte grammaticalInflection, short screenWidth, short screenHeight,
                           short sdkVersion, byte screenLayout, byte uiMode,
                           short smallestScreenWidthDp, short screenWidthDp,
                           short screenHeightDp, char[] localeScript, char[] localeVariant,
@@ -149,6 +151,7 @@ public class ResConfigFlags {
         this.keyboard = keyboard;
         this.navigation = navigation;
         this.inputFlags = inputFlags;
+        this.grammaticalInflection = grammaticalInflection;
         this.screenWidth = screenWidth;
         this.screenHeight = screenHeight;
         this.sdkVersion = sdkVersion;
@@ -198,6 +201,18 @@ public class ResConfigFlags {
         }
         ret.append(getLocaleString());
 
+        switch (grammaticalInflection) {
+            case GRAMMATICAL_GENDER_NEUTER:
+                ret.append("-neuter");
+                break;
+            case GRAMMATICAL_GENDER_FEMININE:
+                ret.append("-feminine");
+                break;
+            case GRAMMATICAL_GENDER_MASCULINE:
+                ret.append("-masculine");
+                break;
+        }
+
         switch (screenLayout & MASK_LAYOUTDIR) {
             case SCREENLAYOUT_LAYOUTDIR_RTL:
                 ret.append("-ldrtl");
@@ -421,6 +436,9 @@ public class ResConfigFlags {
     }
 
     private short getNaturalSdkVersionRequirement() {
+        if (grammaticalInflection != 0) {
+            return SDK_UPSIDEDOWN_CAKE;
+        }
         if ((uiMode & MASK_UI_MODE_TYPE) == UI_MODE_TYPE_VR_HEADSET || (colorMode & COLOR_WIDE_MASK) != 0 || ((colorMode & COLOR_HDR_MASK) != 0)) {
             return SDK_OREO;
         }
@@ -550,6 +568,7 @@ public class ResConfigFlags {
     public final static byte SDK_S = 31;
     public final static byte SDK_S_V2 = 32;
     public final static byte SDK_TIRAMISU = 33;
+    public final static byte SDK_UPSIDEDOWN_CAKE = 34;
 
     // AOSP has this as 10,000 for dev purposes.
     // platform_frameworks_base/commit/c7a1109a1fe0771d4c9b572dcf178e2779fc4f2d
@@ -590,6 +609,11 @@ public class ResConfigFlags {
     public final static short SCREENLAYOUT_ROUND_NO = 0x1;
     public final static short SCREENLAYOUT_ROUND_YES = 0x2;
 
+    public final static byte GRAMMATICAL_GENDER_ANY = 0;
+    public final static byte GRAMMATICAL_GENDER_NEUTER = 1;
+    public final static byte GRAMMATICAL_GENDER_FEMININE = 2;
+    public final static byte GRAMMATICAL_GENDER_MASCULINE = 3;
+
     public final static byte KEYBOARD_ANY = 0;
     public final static byte KEYBOARD_NOKEYS = 1;
     public final static byte KEYBOARD_QWERTY = 2;

brut.apktool/apktool-lib/src/main/java/brut/androlib/res/decoder/ARSCDecoder.java

@@ -282,13 +282,18 @@ public class ARSCDecoder {
 
         // Be sure we don't poison mResTable by marking the application as sparse
         // Only flag the ResTable as sparse if the main package is not loaded.
-        if ((typeFlags & 0x01) != 0 && !mResTable.isMainPkgLoaded()) {
+        if ((typeFlags & TABLE_TYPE_FLAG_SPARSE) != 0 && !mResTable.isMainPkgLoaded()) {
             mResTable.setSparseResources(true);
         }
 
+        if ((typeFlags & TABLE_TYPE_FLAG_OFFSET16) != 0) {
+            LOGGER.warning("Please report this application to Apktool for a fix: https://github.com/iBotPeaches/Apktool/issues/3367");
+            throw new AndrolibException("Unexpected TYPE_FLAG_OFFSET16");
+        }
+
         HashMap<Integer, Integer> entryOffsetMap = new LinkedHashMap<>();
         for (int i = 0; i < entryCount; i++) {
-            if ((typeFlags & 0x01) != 0) {
+            if ((typeFlags & TABLE_TYPE_FLAG_SPARSE) != 0) {
                 entryOffsetMap.put(mIn.readUnsignedShort(), mIn.readUnsignedShort());
             } else {
                 entryOffsetMap.put(i, mIn.readInt());
@@ -352,7 +357,15 @@ public class ARSCDecoder {
             return null;
         }
 
-        ResValue value = (flags & ENTRY_FLAG_COMPLEX) == 0 ? readValue() : readComplexEntry();
+        boolean isComplex = (flags & ENTRY_FLAG_COMPLEX) != 0;
+        boolean isCompact = (flags & ENTRY_FLAG_COMPACT) != 0;
+
+        if (isCompact) {
+            LOGGER.warning("Please report this application to Apktool for a fix: https://github.com/iBotPeaches/Apktool/issues/3366");
+            throw new AndrolibException("Unexpected entry type: compact");
+        }
+
+        ResValue value = isComplex ? readComplexEntry() : readValue();
         // #2824 - In some applications the res entries are duplicated with the 2nd being malformed.
         // AOSP skips this, so we will do the same.
         if (value == null) {
@@ -483,11 +496,12 @@ public class ARSCDecoder {
         byte keyboard = 0;
         byte navigation = 0;
         byte inputFlags = 0;
+        byte grammaticalInflection = 0;
         if (size >= 20) {
             keyboard = mIn.readByte();
             navigation = mIn.readByte();
             inputFlags = mIn.readByte();
-            mIn.skipBytes(1); // inputPad0
+            grammaticalInflection = mIn.readByte();
             read = 20;
         }
 
@@ -545,6 +559,7 @@ public class ARSCDecoder {
         }
 
         int exceedingKnownSize = size - KNOWN_CONFIG_BYTES;
+
         if (exceedingKnownSize > 0) {
             byte[] buf = new byte[exceedingKnownSize];
             read += exceedingKnownSize;
@@ -569,7 +584,7 @@ public class ARSCDecoder {
 
         return new ResConfigFlags(mcc, mnc, language, country,
                 orientation, touchscreen, density, keyboard, navigation,
-                inputFlags, screenWidth, screenHeight, sdkVersion,
+                inputFlags, grammaticalInflection, screenWidth, screenHeight, sdkVersion,
                 screenLayout, uiMode, smallestScreenWidthDp, screenWidthDp,
                 screenHeightDp, localeScript, localeVariant, screenLayout2,
                 colorMode, localeNumberingSystem, isInvalid, size);
@@ -663,6 +678,10 @@ public class ARSCDecoder {
     private final static short ENTRY_FLAG_COMPLEX = 0x0001;
     private final static short ENTRY_FLAG_PUBLIC = 0x0002;
     private final static short ENTRY_FLAG_WEAK = 0x0004;
+    private final static short ENTRY_FLAG_COMPACT = 0x0008;
+
+    private final static short TABLE_TYPE_FLAG_SPARSE = 0x01;
+    private final static short TABLE_TYPE_FLAG_OFFSET16 = 0x02;
 
     private static final int KNOWN_CONFIG_BYTES = 64;