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[dexlib2] allow disassemble of apks with non classes.dex files

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This commit is contained in:
Connor Tumbleson 2014-08-16 08:37:00 -05:00
parent c476ce16be
commit 292e49de0a
1 changed files with 11 additions and 6 deletions
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17
brut.apktool.smali/dexlib2/src/main/java/org/jf/dexlib2/DexFileFactory.java
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@ -46,16 +46,21 @@ import java.util.zip.ZipFile;
public final class DexFileFactory { public final class DexFileFactory {
@Nonnull @Nonnull
public static DexBackedDexFile loadDexFile(String path, int api) throws IOException { public static DexBackedDexFile loadDexFile(String path, int api) throws IOException {
return loadDexFile(new File(path), new Opcodes(api)); return loadDexFile(new File(path), "classes.dex", new Opcodes(api));
} }
@Nonnull @Nonnull
public static DexBackedDexFile loadDexFile(File dexFile, int api) throws IOException { public static DexBackedDexFile loadDexFile(File dexFile, int api) throws IOException {
return loadDexFile(dexFile, new Opcodes(api)); return loadDexFile(dexFile, "classes.dex", new Opcodes(api));
} }
@Nonnull @Nonnull
public static DexBackedDexFile loadDexFile(File dexFile, @Nonnull Opcodes opcodes) throws IOException { public static DexBackedDexFile loadDexFile(File dexFile, String dexEntry, int api) throws IOException {
return loadDexFile(dexFile, dexEntry, new Opcodes(api));
}
@Nonnull
public static DexBackedDexFile loadDexFile(File dexFile, String filename, @Nonnull Opcodes opcodes) throws IOException {
ZipFile zipFile = null; ZipFile zipFile = null;
boolean isZipFile = false; boolean isZipFile = false;
try { try {
@ -63,16 +68,16 @@ public final class DexFileFactory {
// if we get here, it's safe to assume we have a zip file // if we get here, it's safe to assume we have a zip file
isZipFile = true; isZipFile = true;
ZipEntry zipEntry = zipFile.getEntry("classes.dex"); ZipEntry zipEntry = zipFile.getEntry(filename);
if (zipEntry == null) { if (zipEntry == null) {
throw new NoClassesDexException("zip file %s does not contain a classes.dex file", dexFile.getName()); throw new NoClassesDexException("zip file %s does not contain a classes.dex file", dexFile.getName());
} }
long fileLength = zipEntry.getSize(); long fileLength = zipEntry.getSize();
if (fileLength < 40) { if (fileLength < 40) {
throw new ExceptionWithContext( throw new ExceptionWithContext(
"The classes.dex file in %s is too small to be a valid dex file", dexFile.getName()); "The " + filename + " file in %s is too small to be a valid dex file", dexFile.getName());
} else if (fileLength > Integer.MAX_VALUE) { } else if (fileLength > Integer.MAX_VALUE) {
throw new ExceptionWithContext("The classes.dex file in %s is too large to read in", dexFile.getName()); throw new ExceptionWithContext("The " + filename + " file in %s is too large to read in", dexFile.getName());
} }
byte[] dexBytes = new byte[(int)fileLength]; byte[] dexBytes = new byte[(int)fileLength];
ByteStreams.readFully(zipFile.getInputStream(zipEntry), dexBytes); ByteStreams.readFully(zipFile.getInputStream(zipEntry), dexBytes);