wxhelper/script/ghidra_script/NamedScript.java

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Java
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2024-07-24 22:47:58 +08:00
import java.util.Iterator;
import ghidra.app.decompiler.DecompInterface;
import ghidra.app.decompiler.DecompileOptions;
import ghidra.app.decompiler.DecompileResults;
import ghidra.app.script.GhidraScript;
import ghidra.program.model.address.Address;
import ghidra.program.model.address.AddressFactory;
import ghidra.program.model.address.AddressSpace;
import ghidra.program.model.listing.CodeUnit;
import ghidra.program.model.listing.Data;
import ghidra.program.model.listing.Function;
import ghidra.program.model.listing.FunctionManager;
import ghidra.program.model.listing.Listing;
import ghidra.program.model.pcode.HighFunction;
import ghidra.program.model.pcode.PcodeOp;
import ghidra.program.model.pcode.PcodeOpAST;
import ghidra.program.model.pcode.Varnode;
import ghidra.program.model.symbol.Reference;
import ghidra.program.model.symbol.ReferenceIterator;
import ghidra.program.model.symbol.ReferenceManager;
import ghidra.program.model.symbol.SourceType;
import ghidra.util.exception.DuplicateNameException;
import ghidra.util.exception.InvalidInputException;
public class NamedScript extends GhidraScript {
@Override
protected void run() throws Exception {
Address selectAddress = askAddress("选择log地址", "wechat log地址");
Listing listing = currentProgram.getListing();
FunctionManager functionManager = currentProgram.getFunctionManager();
ReferenceManager referenceManager = currentProgram.getReferenceManager();
AddressFactory addressFactory = currentProgram.getAddressFactory();
AddressSpace space = addressFactory.getDefaultAddressSpace();
AddressSpace[] addressSpaces = addressFactory.getAddressSpaces();
DecompInterface decompiler = new DecompInterface();
DecompileOptions decompileOptions = new DecompileOptions();
decompiler.setOptions(decompileOptions);
decompiler.openProgram(currentProgram);
Address funcAddress = selectAddress;
Function logFunction = functionManager.getFunctionAt(funcAddress);
// for (AddressSpace sp : addressSpaces) {
// funcAddress = sp.getAddress(selectAddress.getOffset());
// logFunction = functionManager.getFunctionAt(funcAddress);
// space = sp;
// if (null != logFunction) {
// break;
// }
// }
ReferenceIterator referenceIterator = referenceManager.getReferencesTo(logFunction.getEntryPoint());
for (Reference ref : referenceIterator) {
Address fromAddress = ref.getFromAddress();
// if (fromAddress.getOffset() != 0x18284bb19L) {
// continue;
// }
handle(fromAddress, functionManager, decompiler, space, listing,selectAddress);
println("caller address: " + fromAddress);
}
}
private void handle(Address address, FunctionManager functionManager, DecompInterface decompiler,
AddressSpace space, Listing listing,Address selectAddress) {
Function functionContaining = functionManager.getFunctionContaining(address);
if (null == functionContaining) {
println("no found function: " + address);
return;
}
DecompileResults res = decompiler.decompileFunction(functionContaining, 20, null);
if (!res.decompileCompleted()) {
println("Symbol " + res.getErrorMessage());
return;
}
HighFunction highFunction = res.getHighFunction();
Iterator<PcodeOpAST> pcodeOps = highFunction.getPcodeOps();
while (pcodeOps.hasNext()) {
PcodeOpAST next = pcodeOps.next();
int opcode = next.getOpcode();
int numInputs = next.getNumInputs();
if (PcodeOp.CALL == opcode || PcodeOp.CALLIND == opcode || PcodeOp.CALLOTHER == opcode) {
Varnode input0 = next.getInput(0);
boolean contains = input0.contains(selectAddress);
if (contains) {
Varnode input4 = next.getInput(4);
if (input4 == null) {
continue;
}
PcodeOp def4 = input4.getDef();
if (null != def4) {
Address param4Address = null;
if (def4.getOpcode() == PcodeOp.COPY) {
Varnode vn0 = def4.getInput(0);
param4Address = space.getAddress(vn0.getAddress().getOffset());
Data dataAt = listing.getDataAt(param4Address);
if (dataAt.hasStringValue()) {
Object value = dataAt.getValue();
String funcStr = value.toString();
println("func:" + funcStr);
try {
functionContaining.setName(funcStr, SourceType.USER_DEFINED);
listing.setComment(functionContaining.getEntryPoint(), CodeUnit.EOL_COMMENT,
"auto define:" + funcStr);
} catch (DuplicateNameException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvalidInputException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
}
}
}
}