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We are ignoring typeIdOffset

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- missing sample that experiences this
 - needs tests
 - samples requested: https://github.com/iBotPeaches/Apktool/issues/1728
 - refs: f90f2f8dc3
This commit is contained in:
Connor Tumbleson 2017-12-13 13:16:48 -05:00 committed by Connor Tumbleson
parent 9fc1ede991
commit b7b449eaaf
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2 changed files with 17 additions and 2 deletions
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17
brut.apktool/apktool-lib/src/main/java/brut/androlib/res/decoder/ARSCDecoder.java
View File

@ -77,6 +77,7 @@ public class ARSCDecoder {
nextChunk();
for (int i = 0; i < packageCount; i++) {
mTypeIdOffset = 0;
packages[i] = readTablePackage();
}
return packages;
@ -103,6 +104,17 @@ public class ARSCDecoder {
/* keyStrings */mIn.skipInt();
/* lastPublicKey */mIn.skipInt();
// TypeIdOffset was added platform_frameworks_base/@f90f2f8dc36e7243b85e0b6a7fd5a590893c827e
// which is only in split/new applications.
int splitHeaderSize = (2 + 2 + 4 + 4 + (2 * 128) + (4 * 5)); // short, short, int, int, char[128], int * 4
if (mHeader.headerSize == splitHeaderSize) {
mTypeIdOffset = mIn.readInt();
}
if (mTypeIdOffset > 0) {
LOGGER.warning("Please report this application to Apktool for a fix: https://github.com/iBotPeaches/Apktool/issues/1728");
}
mTypeNames = StringBlock.read(mIn);
mSpecNames = StringBlock.read(mIn);
@ -157,6 +169,7 @@ public class ARSCDecoder {
// skip "TYPE 8 chunks" and/or padding data at the end of this chunk
if (mCountIn.getCount() < mHeader.endPosition) {
LOGGER.warning("Unknown data detected. Skipping: " + (mHeader.endPosition - mCountIn.getCount()) + " byte(s)");
mCountIn.skip(mHeader.endPosition - mCountIn.getCount());
}
@ -186,7 +199,7 @@ public class ARSCDecoder {
private ResType readTableType() throws IOException, AndrolibException {
checkChunkType(Header.TYPE_TYPE);
int typeId = mIn.readUnsignedByte();
int typeId = mIn.readUnsignedByte() - mTypeIdOffset;
if (mResTypeSpecs.containsKey(typeId)) {
mResId = (0xff000000 & mResId) | mResTypeSpecs.get(typeId).getId() << 16;
mTypeSpec = mResTypeSpecs.get(typeId);
@ -205,6 +218,7 @@ public class ARSCDecoder {
// For some APKs there is a disconnect between the reported size of Configs
// If we find a mismatch skip those bytes.
if (position != mCountIn.getCount()) {
LOGGER.warning("Invalid data detected. Skipping: " + (position - mCountIn.getCount()) + " byte(s)");
mIn.skipBytes(position - mCountIn.getCount());
}
@ -544,6 +558,7 @@ public class ARSCDecoder {
private ResTypeSpec mTypeSpec;
private ResType mType;
private int mResId;
private int mTypeIdOffset = 0;
private boolean[] mMissingResSpecs;
private HashMap<Integer, ResTypeSpec> mResTypeSpecs = new HashMap<>();

2
brut.apktool/apktool-lib/src/main/java/brut/androlib/res/decoder/StringBlock.java
View File

@ -41,7 +41,7 @@ public class StringBlock {
* be at the chunk type.
*/
public static StringBlock read(ExtDataInput reader) throws IOException {
reader.skipCheckChunkTypeInt(CHUNK_STRINGPOOL_TYPE, CHUNK_NULL_TYPE);
reader.skipCheckInt(CHUNK_STRINGPOOL_TYPE);
int chunkSize = reader.readInt();
// ResStringPool_header