Example 1 with InvalidSwitchPayload
use of org.jf.baksmali.Adaptors.MethodDefinition.InvalidSwitchPayload in project smali by JesusFreke.
the class InstructionMethodItem method writeTo.
@Override
public boolean writeTo(BaksmaliWriter writer) throws IOException {
Opcode opcode = instruction.getOpcode();
String verificationErrorName = null;
Writable referenceWritable = null;
Writable referenceWritable2 = null;
boolean commentOutInstruction = false;
if (instruction instanceof Instruction20bc) {
int verificationError = ((Instruction20bc) instruction).getVerificationError();
verificationErrorName = VerificationError.getVerificationErrorName(verificationError);
if (verificationErrorName == null) {
writer.write("#was invalid verification error type: ");
writer.writeSignedIntAsDec(verificationError);
writer.write("\n");
verificationErrorName = "generic-error";
}
}
if (instruction instanceof ReferenceInstruction) {
ReferenceInstruction referenceInstruction = (ReferenceInstruction) instruction;
Reference reference = referenceInstruction.getReference();
try {
reference.validateReference();
referenceWritable = () -> writer.writeReference(reference);
} catch (Reference.InvalidReferenceException ex) {
commentOutInstruction = true;
writer.write("#");
writer.write(ex.getMessage());
writer.write("\n");
referenceWritable = () -> writer.write(ex.getInvalidReferenceRepresentation());
}
if (instruction instanceof DualReferenceInstruction) {
DualReferenceInstruction dualReferenceInstruction = (DualReferenceInstruction) instruction;
try {
Reference reference2 = dualReferenceInstruction.getReference2();
reference2.validateReference();
referenceWritable2 = () -> writer.writeReference(reference2);
} catch (Reference.InvalidReferenceException ex) {
commentOutInstruction = true;
writer.write("#");
writer.write(ex.getMessage());
writer.write("\n");
referenceWritable = () -> writer.write(ex.getInvalidReferenceRepresentation());
}
}
}
if (instruction instanceof Instruction31t) {
boolean validPayload = true;
switch(instruction.getOpcode()) {
case PACKED_SWITCH:
int baseAddress = methodDef.getPackedSwitchBaseAddress(this.codeAddress + ((Instruction31t) instruction).getCodeOffset());
if (baseAddress == -1) {
validPayload = false;
}
break;
case SPARSE_SWITCH:
baseAddress = methodDef.getSparseSwitchBaseAddress(this.codeAddress + ((Instruction31t) instruction).getCodeOffset());
if (baseAddress == -1) {
validPayload = false;
}
break;
case FILL_ARRAY_DATA:
try {
methodDef.findPayloadOffset(this.codeAddress + ((Instruction31t) instruction).getCodeOffset(), Opcode.ARRAY_PAYLOAD);
} catch (InvalidSwitchPayload ex) {
validPayload = false;
}
break;
default:
throw new ExceptionWithContext("Invalid 31t opcode: %s", instruction.getOpcode());
}
if (!validPayload) {
writer.write("#invalid payload reference\n");
commentOutInstruction = true;
}
}
if (opcode.odexOnly()) {
if (!isAllowedOdex(opcode)) {
writer.write("#disallowed odex opcode\n");
commentOutInstruction = true;
}
}
if (commentOutInstruction) {
writer.write("#");
}
switch(instruction.getOpcode().format) {
case Format10t:
case Format20t:
case Format30t:
writeOpcode(writer);
writer.write(' ');
writeTargetLabel(writer);
break;
case Format10x:
if (instruction instanceof UnknownInstruction) {
writer.write("#unknown opcode: 0x");
writer.writeUnsignedLongAsHex(((UnknownInstruction) instruction).getOriginalOpcode());
writer.write('\n');
}
writeOpcode(writer);
break;
case Format11n:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeLiteral(writer);
break;
case Format11x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
break;
case Format12x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
break;
case Format20bc:
writeOpcode(writer);
writer.write(' ');
writer.write(verificationErrorName);
writer.write(", ");
assert referenceWritable != null;
referenceWritable.write();
break;
case Format21c:
case Format31c:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
referenceWritable.write();
break;
case Format21ih:
case Format21lh:
case Format21s:
case Format31i:
case Format51l:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeLiteral(writer);
if (instruction.getOpcode().setsWideRegister()) {
writeCommentIfLikelyDouble(writer);
} else {
boolean isResourceId = writeCommentIfResourceId(writer);
if (!isResourceId)
writeCommentIfLikelyFloat(writer);
}
break;
case Format21t:
case Format31t:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeTargetLabel(writer);
break;
case Format22b:
case Format22s:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeLiteral(writer);
break;
case Format22c:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
assert referenceWritable != null;
referenceWritable.write();
break;
case Format22cs:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeFieldOffset(writer);
break;
case Format22t:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeTargetLabel(writer);
break;
case Format22x:
case Format32x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
break;
case Format23x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeThirdRegister(writer);
break;
case Format35c:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
assert referenceWritable != null;
referenceWritable.write();
break;
case Format35mi:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
writeInlineIndex(writer);
break;
case Format35ms:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
writeVtableIndex(writer);
break;
case Format3rc:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
assert referenceWritable != null;
referenceWritable.write();
break;
case Format3rmi:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
writeInlineIndex(writer);
break;
case Format3rms:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
writeVtableIndex(writer);
break;
case Format45cc:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
assert referenceWritable != null;
referenceWritable.write();
writer.write(", ");
assert referenceWritable2 != null;
referenceWritable2.write();
break;
case Format4rcc:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
assert referenceWritable != null;
referenceWritable.write();
writer.write(", ");
assert referenceWritable2 != null;
referenceWritable2.write();
break;
default:
assert false;
return false;
}
if (commentOutInstruction) {
writer.write("\nnop");
}
return true;
}
Also used :
Reference(org.jf.dexlib2.iface.reference.Reference)
InvalidSwitchPayload(org.jf.baksmali.Adaptors.MethodDefinition.InvalidSwitchPayload)
Opcode(org.jf.dexlib2.Opcode)
UnknownInstruction(org.jf.dexlib2.iface.instruction.formats.UnknownInstruction)
Instruction20bc(org.jf.dexlib2.iface.instruction.formats.Instruction20bc)
ExceptionWithContext(org.jf.util.ExceptionWithContext)
Instruction31t(org.jf.dexlib2.iface.instruction.formats.Instruction31t)
Example 2 with InvalidSwitchPayload
use of org.jf.baksmali.Adaptors.MethodDefinition.InvalidSwitchPayload in project smali by JesusFreke.
the class InstructionMethodItem method writeTo.
@Override
public boolean writeTo(IndentingWriter writer) throws IOException {
Opcode opcode = instruction.getOpcode();
String verificationErrorName = null;
String referenceString = null;
String referenceString2 = null;
boolean commentOutInstruction = false;
if (instruction instanceof Instruction20bc) {
int verificationError = ((Instruction20bc) instruction).getVerificationError();
verificationErrorName = VerificationError.getVerificationErrorName(verificationError);
if (verificationErrorName == null) {
writer.write("#was invalid verification error type: ");
writer.printSignedIntAsDec(verificationError);
writer.write("\n");
verificationErrorName = "generic-error";
}
}
if (instruction instanceof ReferenceInstruction) {
ReferenceInstruction referenceInstruction = (ReferenceInstruction) instruction;
String classContext = null;
if (methodDef.classDef.options.implicitReferences) {
classContext = methodDef.method.getDefiningClass();
}
try {
Reference reference = referenceInstruction.getReference();
referenceString = ReferenceUtil.getReferenceString(reference, classContext);
assert referenceString != null;
} catch (InvalidItemIndex ex) {
commentOutInstruction = true;
referenceString = writeInvalidItemIndex(ex, referenceInstruction.getReferenceType(), writer);
} catch (ReferenceType.InvalidReferenceTypeException ex) {
writer.write("#invalid reference type: ");
writer.printSignedIntAsDec(ex.getReferenceType());
commentOutInstruction = true;
referenceString = "invalid_reference";
}
if (instruction instanceof DualReferenceInstruction) {
DualReferenceInstruction dualReferenceInstruction = (DualReferenceInstruction) instruction;
try {
Reference reference2 = dualReferenceInstruction.getReference2();
referenceString2 = ReferenceUtil.getReferenceString(reference2, classContext);
} catch (InvalidItemIndex ex) {
commentOutInstruction = true;
referenceString2 = writeInvalidItemIndex(ex, dualReferenceInstruction.getReferenceType2(), writer);
} catch (ReferenceType.InvalidReferenceTypeException ex) {
writer.write("#invalid reference type: ");
writer.printSignedIntAsDec(ex.getReferenceType());
commentOutInstruction = true;
referenceString2 = "invalid_reference";
}
}
}
if (instruction instanceof Instruction31t) {
boolean validPayload = true;
switch(instruction.getOpcode()) {
case PACKED_SWITCH:
int baseAddress = methodDef.getPackedSwitchBaseAddress(this.codeAddress + ((Instruction31t) instruction).getCodeOffset());
if (baseAddress == -1) {
validPayload = false;
}
break;
case SPARSE_SWITCH:
baseAddress = methodDef.getSparseSwitchBaseAddress(this.codeAddress + ((Instruction31t) instruction).getCodeOffset());
if (baseAddress == -1) {
validPayload = false;
}
break;
case FILL_ARRAY_DATA:
try {
methodDef.findPayloadOffset(this.codeAddress + ((Instruction31t) instruction).getCodeOffset(), Opcode.ARRAY_PAYLOAD);
} catch (InvalidSwitchPayload ex) {
validPayload = false;
}
break;
default:
throw new ExceptionWithContext("Invalid 31t opcode: %s", instruction.getOpcode());
}
if (!validPayload) {
writer.write("#invalid payload reference\n");
commentOutInstruction = true;
}
}
if (opcode.odexOnly()) {
if (!isAllowedOdex(opcode)) {
writer.write("#disallowed odex opcode\n");
commentOutInstruction = true;
}
}
if (commentOutInstruction) {
writer.write("#");
}
switch(instruction.getOpcode().format) {
case Format10t:
writeOpcode(writer);
writer.write(' ');
writeTargetLabel(writer);
break;
case Format10x:
if (instruction instanceof UnknownInstruction) {
writer.write("#unknown opcode: 0x");
writer.printUnsignedLongAsHex(((UnknownInstruction) instruction).getOriginalOpcode());
writer.write('\n');
}
writeOpcode(writer);
break;
case Format11n:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeLiteral(writer);
break;
case Format11x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
break;
case Format12x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
break;
case Format20bc:
writeOpcode(writer);
writer.write(' ');
writer.write(verificationErrorName);
writer.write(", ");
writer.write(referenceString);
break;
case Format20t:
case Format30t:
writeOpcode(writer);
writer.write(' ');
writeTargetLabel(writer);
break;
case Format21c:
case Format31c:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writer.write(referenceString);
break;
case Format21ih:
case Format21lh:
case Format21s:
case Format31i:
case Format51l:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeLiteral(writer);
if (instruction.getOpcode().setsWideRegister()) {
writeCommentIfLikelyDouble(writer);
} else {
boolean isResourceId = writeCommentIfResourceId(writer);
if (!isResourceId)
writeCommentIfLikelyFloat(writer);
}
break;
case Format21t:
case Format31t:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeTargetLabel(writer);
break;
case Format22b:
case Format22s:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeLiteral(writer);
break;
case Format22c:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writer.write(referenceString);
break;
case Format22cs:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeFieldOffset(writer);
break;
case Format22t:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeTargetLabel(writer);
break;
case Format22x:
case Format32x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
break;
case Format23x:
writeOpcode(writer);
writer.write(' ');
writeFirstRegister(writer);
writer.write(", ");
writeSecondRegister(writer);
writer.write(", ");
writeThirdRegister(writer);
break;
case Format35c:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
writer.write(referenceString);
break;
case Format35mi:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
writeInlineIndex(writer);
break;
case Format35ms:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
writeVtableIndex(writer);
break;
case Format3rc:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
writer.write(referenceString);
break;
case Format3rmi:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
writeInlineIndex(writer);
break;
case Format3rms:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
writeVtableIndex(writer);
break;
case Format45cc:
writeOpcode(writer);
writer.write(' ');
writeInvokeRegisters(writer);
writer.write(", ");
writer.write(referenceString);
writer.write(", ");
writer.write(referenceString2);
break;
case Format4rcc:
writeOpcode(writer);
writer.write(' ');
writeInvokeRangeRegisters(writer);
writer.write(", ");
writer.write(referenceString);
writer.write(", ");
writer.write(referenceString2);
break;
default:
assert false;
return false;
}
if (commentOutInstruction) {
writer.write("\nnop");
}
return true;
}
Also used :
InvalidItemIndex(org.jf.dexlib2.dexbacked.DexBackedDexFile.InvalidItemIndex)
Reference(org.jf.dexlib2.iface.reference.Reference)
InvalidSwitchPayload(org.jf.baksmali.Adaptors.MethodDefinition.InvalidSwitchPayload)
Opcode(org.jf.dexlib2.Opcode)
ReferenceType(org.jf.dexlib2.ReferenceType)
UnknownInstruction(org.jf.dexlib2.iface.instruction.formats.UnknownInstruction)
Instruction20bc(org.jf.dexlib2.iface.instruction.formats.Instruction20bc)
ExceptionWithContext(org.jf.util.ExceptionWithContext)
Instruction31t(org.jf.dexlib2.iface.instruction.formats.Instruction31t)
Aggregations
InvalidSwitchPayload (org.jf.baksmali.Adaptors.MethodDefinition.InvalidSwitchPayload)2
Opcode (org.jf.dexlib2.Opcode)2
Instruction20bc (org.jf.dexlib2.iface.instruction.formats.Instruction20bc)2
Instruction31t (org.jf.dexlib2.iface.instruction.formats.Instruction31t)2
UnknownInstruction (org.jf.dexlib2.iface.instruction.formats.UnknownInstruction)2
Reference (org.jf.dexlib2.iface.reference.Reference)2
ExceptionWithContext (org.jf.util.ExceptionWithContext)2
ReferenceType (org.jf.dexlib2.ReferenceType)1
InvalidItemIndex (org.jf.dexlib2.dexbacked.DexBackedDexFile.InvalidItemIndex)1
