mirror of
https://github.com/sirjonasxx/G-Earth.git
synced 2024-11-23 00:40:51 +01:00
new & improved wasmcodepatcher
This commit is contained in:
sirjonasxx
parent
37adbdb600
commit
44bd70a6aa
7
G-Earth/src/main/java/gearth/services/Constants.java
Normal file
7
G-Earth/src/main/java/gearth/services/Constants.java
Normal file
@ -0,0 +1,7 @@
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package gearth.services;
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public class Constants {
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public static volatile boolean UNITY_PACKETS = false;
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}
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@ -1,27 +1,27 @@
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package gearth.services.unity_tools;
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import com.sun.org.apache.xpath.internal.operations.Mod;
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import gearth.services.unity_tools.codepatcher.IncomingPacketPatcher;
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import gearth.services.unity_tools.codepatcher.OutgoingPacketPatcher;
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import gearth.services.unity_tools.codepatcher.ReturnBytePatcher;
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import gearth.services.unity_tools.codepatcher.SetKeyPatcher;
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import wasm.disassembly.InvalidOpCodeException;
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import wasm.disassembly.instructions.Expression;
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import wasm.disassembly.instructions.Instr;
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import wasm.disassembly.instructions.InstrType;
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import wasm.disassembly.instructions.control.CallInstr;
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import wasm.disassembly.instructions.variable.LocalVariableInstr;
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import wasm.disassembly.modules.Module;
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import wasm.disassembly.modules.indices.FuncIdx;
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import wasm.disassembly.modules.indices.LocalIdx;
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import wasm.disassembly.modules.indices.TypeIdx;
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import wasm.disassembly.modules.sections.code.Func;
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import wasm.disassembly.modules.sections.export.Export;
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import wasm.disassembly.modules.sections.export.ExportDesc;
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import wasm.disassembly.modules.sections.code.Locals;
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import wasm.disassembly.modules.sections.imprt.Import;
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import wasm.disassembly.modules.sections.imprt.ImportDesc;
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import wasm.disassembly.types.FuncType;
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import wasm.disassembly.types.ResultType;
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import wasm.disassembly.types.ValType;
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import wasm.misc.Function;
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import wasm.misc.CodeCompare;
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import java.io.*;
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import java.util.*;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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public class WasmCodePatcher {
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@ -32,194 +32,12 @@ public class WasmCodePatcher {
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}
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public void patch() throws IOException, InvalidOpCodeException {
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Module module = new Module(file);
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FuncIdx returnByteId = findReturnByteFunc(module);
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FuncIdx setkey = findSetKeyFunc(module);
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FuncIdx outgoingIdx = findOutFunc(module);
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FuncIdx incomingIdx = findInFunc(module);
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hook(module, setkey, "g_chacha_setkey");
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copyEmptyHook(module, returnByteId, "_gearth_returnbyte_copy", "g_chacha_returnbyte");
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copyEmptyHook(module, outgoingIdx, "_gearth_outgoing_copy", "g_outgoing_packet");
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copyEmptyHook(module, incomingIdx, "_gearth_incoming_copy", "g_incoming_packet");
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Module module = new Module(file, Arrays.asList(
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new SetKeyPatcher(),
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new ReturnBytePatcher(),
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new OutgoingPacketPatcher(),
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new IncomingPacketPatcher()
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));
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module.assembleToFile(file);
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}
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private FuncIdx findOutFunc(Module module) {
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TypeIdx expectedTypeIdx = module.getTypeSection().getTypeIdxForFuncType(new FuncType(
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new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
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new ResultType(Collections.emptyList())
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));
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outerloop:
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for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
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FuncIdx currentIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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Func func = module.getCodeSection().getByIdx(currentIdx);
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if (func.getLocalss().size() != 0) continue;
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if (!module.getFunctionSection().getByIdx(currentIdx).equals(expectedTypeIdx)) continue;
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List<Instr> expression = func.getExpression().getInstructions();
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if (expression.size() != 6) continue;
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if (expression.get(0).getInstrType() != InstrType.LOCAL_GET) continue;
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if (expression.get(1).getInstrType() != InstrType.LOCAL_GET) continue;
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if (expression.get(2).getInstrType() != InstrType.LOCAL_GET) continue;
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if (expression.get(3).getInstrType() != InstrType.I32_LOAD) continue;
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if (expression.get(4).getInstrType() != InstrType.I32_CONST) continue;
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if (expression.get(5).getInstrType() != InstrType.CALL) continue;
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return currentIdx;
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}
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return null;
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}
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private FuncIdx findSetKeyFunc(Module module) {
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FuncType expectedType = new FuncType(
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new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
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new ResultType(Collections.emptyList())
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);
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List<InstrType> expectedExpr = Arrays.asList(InstrType.I32_CONST, InstrType.I32_LOAD8_S,
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InstrType.I32_EQZ, InstrType.IF, InstrType.BLOCK, InstrType.LOCAL_GET, InstrType.I32_CONST,
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InstrType.LOCAL_GET, InstrType.I32_LOAD, InstrType.I32_CONST, InstrType.I32_CONST, InstrType.I32_CONST,
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InstrType.CALL);
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outerloop:
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for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
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FuncIdx funcIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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Function function = new Function(module, funcIdx);
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if (!function.getFuncType().equals(expectedType)) continue;
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if (!(function.getLocalsFloored().size() == 1 && function.getLocalsFloored().get(0) == ValType.I32)) continue;
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if (function.getCode().getInstructions().size() != expectedExpr.size()) continue;
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for (int j = 0; j < function.getCode().getInstructions().size(); j++) {
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Instr instr = function.getCode().getInstructions().get(j);
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if (instr.getInstrType() != expectedExpr.get(j)) continue outerloop;
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}
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return funcIdx;
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}
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return null;
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}
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private FuncIdx findReturnByteFunc(Module module) {
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FuncType expectedType = new FuncType(
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new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
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new ResultType(Collections.singletonList(ValType.I32))
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);
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outerloop:
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for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
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FuncIdx funcIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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Function function = new Function(module, funcIdx);
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if (!function.getFuncType().equals(expectedType)) continue;
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if (function.getLocalsFloored().size() != 0) continue;
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if (function.getCode().getInstructions().size() != 30) continue;
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List<Instr> expr = function.getCode().getInstructions();
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if (expr.get(expr.size() - 1).getInstrType() != InstrType.I32_XOR) continue;
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return funcIdx;
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}
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return null;
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}
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private FuncIdx findInFunc(Module module) {
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FuncType expectedType = new FuncType(
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new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
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new ResultType(Collections.emptyList())
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);
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List<InstrType> expectedExpr = Arrays.asList(InstrType.I32_CONST, InstrType.I32_LOAD8_S,
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InstrType.I32_EQZ, InstrType.IF, InstrType.LOCAL_GET, InstrType.I32_LOAD, InstrType.LOCAL_TEE,
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InstrType.IF);
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outerloop:
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for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
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FuncIdx funcIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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Function function = new Function(module, funcIdx);
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if (!function.getFuncType().equals(expectedType)) continue;
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if (!(function.getLocalsFloored().size() == 1 && function.getLocalsFloored().get(0) == ValType.I32)) continue;
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if (function.getCode().getInstructions().size() != expectedExpr.size()) continue;
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for (int j = 0; j < function.getCode().getInstructions().size(); j++) {
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Instr instr = function.getCode().getInstructions().get(j);
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if (instr.getInstrType() != expectedExpr.get(j)) continue outerloop;
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}
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return funcIdx;
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}
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return null;
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}
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private void copyEmptyHook(Module module, FuncIdx orgFuncIdx, String exportName, String hookname) throws InvalidOpCodeException, IOException {
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// copies the method, empties the first one
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// export the copy
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// hooks to the emptied one
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Func func = module.getCodeSection().getByIdx(orgFuncIdx);
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FuncType funcType = module.getTypeSection().getByFuncIdx(orgFuncIdx);
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// copy the function
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Function copy = new Function(funcType, func.getLocalss(), func.getExpression());
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FuncIdx copyIdx = copy.addToModule(module);
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module.getExportSection().getExports().add(new Export(exportName, new ExportDesc(copyIdx)));
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// clear & hook original function, let it return whatever JS returns
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Import imp = new Import(
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"env",
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hookname,
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new ImportDesc(module.getTypeSection().getTypeIdxForFuncType(new FuncType(
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funcType.getParameterType(),
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funcType.getResultType()
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)))
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);
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FuncIdx hookIdx = module.getImportSection().importFunction(imp);
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CallInstr call = new CallInstr(hookIdx);
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List<Instr> newInstrs = new ArrayList<>();
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for (int i = 0; i < funcType.getParameterType().typeList().size(); i++) {
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newInstrs.add(new LocalVariableInstr(InstrType.LOCAL_GET, new LocalIdx(i)));
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}
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newInstrs.add(call);
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func.setExpression(new Expression(newInstrs));
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}
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private void hook(Module module, FuncIdx funcIdx, String jsFunctionName) throws InvalidOpCodeException, IOException {
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FuncType funcType = module.getTypeSection().getByFuncIdx(funcIdx);
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Import imp = new Import(
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"env",
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jsFunctionName,
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new ImportDesc(module.getTypeSection().getTypeIdxForFuncType(new FuncType(
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funcType.getParameterType(),
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new ResultType(Collections.emptyList())
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)))
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);
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FuncIdx hookIdx = module.getImportSection().importFunction(imp);
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CallInstr call = new CallInstr(hookIdx);
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Func root = module.getCodeSection().getByIdx(funcIdx);
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List<Instr> newInstrs = new ArrayList<>();
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for (int i = 0; i < funcType.getParameterType().typeList().size(); i++) {
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newInstrs.add(new LocalVariableInstr(InstrType.LOCAL_GET, new LocalIdx(i)));
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}
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newInstrs.add(call);
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newInstrs.addAll(root.getExpression().getInstructions());
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root.getExpression().setInstructions(newInstrs);
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}
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}
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@ -0,0 +1,225 @@
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//package gearth.services.unity_tools;
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//
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//import wasm.disassembly.InvalidOpCodeException;
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//import wasm.disassembly.instructions.Expression;
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//import wasm.disassembly.instructions.Instr;
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//import wasm.disassembly.instructions.InstrType;
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//import wasm.disassembly.instructions.control.CallInstr;
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//import wasm.disassembly.instructions.variable.LocalVariableInstr;
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//import wasm.disassembly.modules.Module;
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//import wasm.disassembly.modules.indices.FuncIdx;
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//import wasm.disassembly.modules.indices.LocalIdx;
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//import wasm.disassembly.modules.indices.TypeIdx;
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//import wasm.disassembly.modules.sections.code.Func;
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//import wasm.disassembly.modules.sections.export.Export;
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//import wasm.disassembly.modules.sections.export.ExportDesc;
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//import wasm.disassembly.modules.sections.imprt.Import;
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//import wasm.disassembly.modules.sections.imprt.ImportDesc;
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//import wasm.disassembly.types.FuncType;
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//import wasm.disassembly.types.ResultType;
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//import wasm.disassembly.types.ValType;
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//import wasm.misc.Function;
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//
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//import java.io.*;
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//import java.util.*;
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//
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//public class WasmCodePatcherOld {
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//
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// private String file;
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//
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// public WasmCodePatcherOld(String file) {
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// this.file = file;
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// }
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//
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// public void patch() throws IOException, InvalidOpCodeException {
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// Module module = new Module(file);
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//
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// FuncIdx returnByteId = findReturnByteFunc(module);
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// FuncIdx setkey = findSetKeyFunc(module);
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// FuncIdx outgoingIdx = findOutFunc(module);
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// FuncIdx incomingIdx = findInFunc(module);
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//
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// hook(module, setkey, "g_chacha_setkey");
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// copyEmptyHook(module, returnByteId, "_gearth_returnbyte_copy", "g_chacha_returnbyte");
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// copyEmptyHook(module, outgoingIdx, "_gearth_outgoing_copy", "g_outgoing_packet");
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// copyEmptyHook(module, incomingIdx, "_gearth_incoming_copy", "g_incoming_packet");
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//
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// module.assembleToFile(file);
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// }
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//
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//
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// private FuncIdx findOutFunc(Module module) {
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// TypeIdx expectedTypeIdx = module.getTypeSection().getTypeIdxForFuncType(new FuncType(
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// new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
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// new ResultType(Collections.emptyList())
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// ));
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//
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// outerloop:
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// for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
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// FuncIdx currentIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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//
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// Func func = module.getCodeSection().getByIdx(currentIdx);
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// if (func.getLocalss().size() != 0) continue;
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// if (!module.getFunctionSection().getByIdx(currentIdx).equals(expectedTypeIdx)) continue;
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//
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// List<Instr> expression = func.getExpression().getInstructions();
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//
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// if (expression.size() != 6) continue;
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//
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// if (expression.get(0).getInstrType() != InstrType.LOCAL_GET) continue;
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// if (expression.get(1).getInstrType() != InstrType.LOCAL_GET) continue;
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// if (expression.get(2).getInstrType() != InstrType.LOCAL_GET) continue;
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// if (expression.get(3).getInstrType() != InstrType.I32_LOAD) continue;
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// if (expression.get(4).getInstrType() != InstrType.I32_CONST) continue;
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// if (expression.get(5).getInstrType() != InstrType.CALL) continue;
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//
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// return currentIdx;
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// }
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//
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// return null;
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// }
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// private FuncIdx findSetKeyFunc(Module module) {
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// FuncType expectedType = new FuncType(
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// new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
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// new ResultType(Collections.emptyList())
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// );
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//
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// List<InstrType> expectedExpr = Arrays.asList(InstrType.I32_CONST, InstrType.I32_LOAD8_S,
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// InstrType.I32_EQZ, InstrType.IF, InstrType.BLOCK, InstrType.LOCAL_GET, InstrType.I32_CONST,
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// InstrType.LOCAL_GET, InstrType.I32_LOAD, InstrType.I32_CONST, InstrType.I32_CONST, InstrType.I32_CONST,
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// InstrType.CALL);
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//
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// outerloop:
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// for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
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// FuncIdx funcIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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//
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// Function function = new Function(module, funcIdx);
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// if (!function.getFuncType().equals(expectedType)) continue;
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// if (!(function.getLocalsFloored().size() == 1 && function.getLocalsFloored().get(0) == ValType.I32)) continue;
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// if (function.getCode().getInstructions().size() != expectedExpr.size()) continue;
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//
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// for (int j = 0; j < function.getCode().getInstructions().size(); j++) {
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// Instr instr = function.getCode().getInstructions().get(j);
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// if (instr.getInstrType() != expectedExpr.get(j)) continue outerloop;
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// }
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//
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// return funcIdx;
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// }
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//
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// return null;
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// }
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// private FuncIdx findReturnByteFunc(Module module) {
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// FuncType expectedType = new FuncType(
|
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// new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
|
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// new ResultType(Collections.singletonList(ValType.I32))
|
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// );
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//
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// outerloop:
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// for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
|
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// FuncIdx funcIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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//
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// Function function = new Function(module, funcIdx);
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// if (!function.getFuncType().equals(expectedType)) continue;
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// if (function.getLocalsFloored().size() != 0) continue;
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// if (function.getCode().getInstructions().size() != 30) continue;
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//
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// List<Instr> expr = function.getCode().getInstructions();
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// if (expr.get(expr.size() - 1).getInstrType() != InstrType.I32_XOR) continue;
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//
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// return funcIdx;
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// }
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//
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// return null;
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// }
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// private FuncIdx findInFunc(Module module) {
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// FuncType expectedType = new FuncType(
|
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// new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
|
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// new ResultType(Collections.emptyList())
|
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// );
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//
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// List<InstrType> expectedExpr = Arrays.asList(InstrType.I32_CONST, InstrType.I32_LOAD8_S,
|
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// InstrType.I32_EQZ, InstrType.IF, InstrType.LOCAL_GET, InstrType.I32_LOAD, InstrType.LOCAL_TEE,
|
||||
// InstrType.IF);
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//
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// outerloop:
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// for (int i = 0; i < module.getCodeSection().getCodesEntries().size(); i++) {
|
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// FuncIdx funcIdx = new FuncIdx(i + module.getImportSection().getTotalFuncImports(), module);
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//
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// Function function = new Function(module, funcIdx);
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// if (!function.getFuncType().equals(expectedType)) continue;
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// if (!(function.getLocalsFloored().size() == 1 && function.getLocalsFloored().get(0) == ValType.I32)) continue;
|
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// if (function.getCode().getInstructions().size() != expectedExpr.size()) continue;
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//
|
||||
// for (int j = 0; j < function.getCode().getInstructions().size(); j++) {
|
||||
// Instr instr = function.getCode().getInstructions().get(j);
|
||||
// if (instr.getInstrType() != expectedExpr.get(j)) continue outerloop;
|
||||
// }
|
||||
//
|
||||
// return funcIdx;
|
||||
// }
|
||||
//
|
||||
// return null;
|
||||
// }
|
||||
//
|
||||
// private void copyEmptyHook(Module module, FuncIdx orgFuncIdx, String exportName, String hookname) throws InvalidOpCodeException, IOException {
|
||||
// // copies the method, empties the first one
|
||||
// // export the copy
|
||||
// // hooks to the emptied one
|
||||
//
|
||||
// Func func = module.getCodeSection().getByIdx(orgFuncIdx);
|
||||
// FuncType funcType = module.getTypeSection().getByFuncIdx(orgFuncIdx);
|
||||
//
|
||||
// // copy the function
|
||||
// Function copy = new Function(funcType, func.getLocalss(), func.getExpression());
|
||||
// FuncIdx copyIdx = copy.addToModule(module);
|
||||
//
|
||||
// module.getExportSection().getExports().add(new Export(exportName, new ExportDesc(copyIdx)));
|
||||
//
|
||||
//
|
||||
// // clear & hook original function, let it return whatever JS returns
|
||||
// Import imp = new Import(
|
||||
// "env",
|
||||
// hookname,
|
||||
// new ImportDesc(module.getTypeSection().getTypeIdxForFuncType(new FuncType(
|
||||
// funcType.getParameterType(),
|
||||
// funcType.getResultType()
|
||||
// )))
|
||||
// );
|
||||
// FuncIdx hookIdx = module.getImportSection().importFunction(imp);
|
||||
//
|
||||
// CallInstr call = new CallInstr(hookIdx);
|
||||
// List<Instr> newInstrs = new ArrayList<>();
|
||||
// for (int i = 0; i < funcType.getParameterType().typeList().size(); i++) {
|
||||
// newInstrs.add(new LocalVariableInstr(InstrType.LOCAL_GET, new LocalIdx(i)));
|
||||
// }
|
||||
// newInstrs.add(call);
|
||||
// func.setExpression(new Expression(newInstrs));
|
||||
//
|
||||
// }
|
||||
//
|
||||
// private void hook(Module module, FuncIdx funcIdx, String jsFunctionName) throws InvalidOpCodeException, IOException {
|
||||
// FuncType funcType = module.getTypeSection().getByFuncIdx(funcIdx);
|
||||
//
|
||||
// Import imp = new Import(
|
||||
// "env",
|
||||
// jsFunctionName,
|
||||
// new ImportDesc(module.getTypeSection().getTypeIdxForFuncType(new FuncType(
|
||||
// funcType.getParameterType(),
|
||||
// new ResultType(Collections.emptyList())
|
||||
// )))
|
||||
// );
|
||||
// FuncIdx hookIdx = module.getImportSection().importFunction(imp);
|
||||
//
|
||||
// CallInstr call = new CallInstr(hookIdx);
|
||||
//
|
||||
// Func root = module.getCodeSection().getByIdx(funcIdx);
|
||||
// List<Instr> newInstrs = new ArrayList<>();
|
||||
// for (int i = 0; i < funcType.getParameterType().typeList().size(); i++) {
|
||||
// newInstrs.add(new LocalVariableInstr(InstrType.LOCAL_GET, new LocalIdx(i)));
|
||||
// }
|
||||
// newInstrs.add(call);
|
||||
// newInstrs.addAll(root.getExpression().getInstructions());
|
||||
// root.getExpression().setInstructions(newInstrs);
|
||||
// }
|
||||
//
|
||||
//}
|
||||
@ -0,0 +1,60 @@
|
||||
package gearth.services.unity_tools.codepatcher;
|
||||
|
||||
import wasm.disassembly.instructions.Instr;
|
||||
import wasm.disassembly.instructions.InstrType;
|
||||
import wasm.disassembly.modules.sections.code.Func;
|
||||
import wasm.disassembly.modules.sections.code.Locals;
|
||||
import wasm.disassembly.types.FuncType;
|
||||
import wasm.disassembly.types.ResultType;
|
||||
import wasm.disassembly.types.ValType;
|
||||
import wasm.misc.CodeCompare;
|
||||
import wasm.misc.StreamReplacement;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
public class IncomingPacketPatcher implements StreamReplacement {
|
||||
@Override
|
||||
public FuncType getFuncType() {
|
||||
return new FuncType(new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
|
||||
new ResultType(Collections.emptyList())
|
||||
);
|
||||
}
|
||||
|
||||
@Override
|
||||
public ReplacementType getReplacementType() {
|
||||
return ReplacementType.HOOKCOPYEXPORT;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getImportName() {
|
||||
return "g_incoming_packet";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getExportName() {
|
||||
return "_gearth_incoming_copy";
|
||||
}
|
||||
|
||||
@Override
|
||||
public CodeCompare getCodeCompare() {
|
||||
return code -> {
|
||||
if (!(code.getLocalss().equals(Collections.singletonList(new Locals(1, ValType.I32)))))
|
||||
return false;
|
||||
|
||||
List<InstrType> expectedExpr = Arrays.asList(InstrType.I32_CONST, InstrType.I32_LOAD8_S,
|
||||
InstrType.I32_EQZ, InstrType.IF, InstrType.LOCAL_GET, InstrType.I32_LOAD, InstrType.LOCAL_TEE,
|
||||
InstrType.IF);
|
||||
|
||||
if (code.getExpression().getInstructions().size() != expectedExpr.size()) return false;
|
||||
|
||||
for (int j = 0; j < code.getExpression().getInstructions().size(); j++) {
|
||||
Instr instr = code.getExpression().getInstructions().get(j);
|
||||
if (instr.getInstrType() != expectedExpr.get(j)) return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,53 @@
|
||||
package gearth.services.unity_tools.codepatcher;
|
||||
|
||||
import wasm.disassembly.instructions.Instr;
|
||||
import wasm.disassembly.instructions.InstrType;
|
||||
import wasm.disassembly.modules.sections.code.Func;
|
||||
import wasm.disassembly.types.FuncType;
|
||||
import wasm.disassembly.types.ResultType;
|
||||
import wasm.disassembly.types.ValType;
|
||||
import wasm.misc.CodeCompare;
|
||||
import wasm.misc.StreamReplacement;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
public class OutgoingPacketPatcher implements StreamReplacement {
|
||||
@Override
|
||||
public FuncType getFuncType() {
|
||||
return new FuncType(new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
|
||||
new ResultType(Collections.emptyList()));
|
||||
}
|
||||
|
||||
@Override
|
||||
public ReplacementType getReplacementType() {
|
||||
return ReplacementType.HOOKCOPYEXPORT;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getImportName() {
|
||||
return "g_outgoing_packet";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getExportName() {
|
||||
return "_gearth_outgoing_copy";
|
||||
}
|
||||
|
||||
@Override
|
||||
public CodeCompare getCodeCompare() {
|
||||
return code -> {
|
||||
if (code.getLocalss().size() != 0) return false;
|
||||
List<Instr> expression = code.getExpression().getInstructions();
|
||||
if (expression.get(0).getInstrType() != InstrType.LOCAL_GET) return false;
|
||||
if (expression.get(1).getInstrType() != InstrType.LOCAL_GET) return false;
|
||||
if (expression.get(2).getInstrType() != InstrType.LOCAL_GET) return false;
|
||||
if (expression.get(3).getInstrType() != InstrType.I32_LOAD) return false;
|
||||
if (expression.get(4).getInstrType() != InstrType.I32_CONST) return false;
|
||||
if (expression.get(5).getInstrType() != InstrType.CALL) return false;
|
||||
|
||||
return true;
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,48 @@
|
||||
package gearth.services.unity_tools.codepatcher;
|
||||
|
||||
import wasm.disassembly.instructions.Instr;
|
||||
import wasm.disassembly.instructions.InstrType;
|
||||
import wasm.disassembly.modules.sections.code.Func;
|
||||
import wasm.disassembly.types.FuncType;
|
||||
import wasm.disassembly.types.ResultType;
|
||||
import wasm.disassembly.types.ValType;
|
||||
import wasm.misc.CodeCompare;
|
||||
import wasm.misc.StreamReplacement;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
public class ReturnBytePatcher implements StreamReplacement {
|
||||
@Override
|
||||
public FuncType getFuncType() {
|
||||
return new FuncType(new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
|
||||
new ResultType(Collections.singletonList(ValType.I32)));
|
||||
}
|
||||
|
||||
@Override
|
||||
public ReplacementType getReplacementType() {
|
||||
return ReplacementType.HOOKCOPYEXPORT;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getImportName() {
|
||||
return "g_chacha_returnbyte";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getExportName() {
|
||||
return "_gearth_returnbyte_copy";
|
||||
}
|
||||
|
||||
@Override
|
||||
public CodeCompare getCodeCompare() {
|
||||
return code -> {
|
||||
if (code.getLocalss().size() != 0) return false;
|
||||
if (code.getExpression().getInstructions().size() != 30) return false;
|
||||
List<Instr> expr = code.getExpression().getInstructions();
|
||||
if (expr.get(expr.size() - 1).getInstrType() != InstrType.I32_XOR) return false;
|
||||
return true;
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,60 @@
|
||||
package gearth.services.unity_tools.codepatcher;
|
||||
|
||||
import wasm.disassembly.instructions.Instr;
|
||||
import wasm.disassembly.instructions.InstrType;
|
||||
import wasm.disassembly.modules.sections.code.Func;
|
||||
import wasm.disassembly.modules.sections.code.Locals;
|
||||
import wasm.disassembly.types.FuncType;
|
||||
import wasm.disassembly.types.ResultType;
|
||||
import wasm.disassembly.types.ValType;
|
||||
import wasm.misc.CodeCompare;
|
||||
import wasm.misc.StreamReplacement;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
public class SetKeyPatcher implements StreamReplacement {
|
||||
|
||||
@Override
|
||||
public FuncType getFuncType() {
|
||||
return new FuncType(new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
|
||||
new ResultType(Collections.emptyList()));
|
||||
}
|
||||
|
||||
@Override
|
||||
public ReplacementType getReplacementType() {
|
||||
return ReplacementType.HOOK;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getImportName() {
|
||||
return "g_chacha_setkey";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getExportName() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public CodeCompare getCodeCompare() {
|
||||
return code -> {
|
||||
if (!(code.getLocalss().equals(Collections.singletonList(new Locals(1, ValType.I32)))))
|
||||
return false;
|
||||
List<InstrType> expectedExpr = Arrays.asList(InstrType.I32_CONST, InstrType.I32_LOAD8_S,
|
||||
InstrType.I32_EQZ, InstrType.IF, InstrType.BLOCK, InstrType.LOCAL_GET, InstrType.I32_CONST,
|
||||
InstrType.LOCAL_GET, InstrType.I32_LOAD, InstrType.I32_CONST, InstrType.I32_CONST, InstrType.I32_CONST,
|
||||
InstrType.CALL);
|
||||
|
||||
if (code.getExpression().getInstructions().size() != expectedExpr.size()) return false;
|
||||
|
||||
for (int j = 0; j < code.getExpression().getInstructions().size(); j++) {
|
||||
Instr instr = code.getExpression().getInstructions().get(j);
|
||||
if (instr.getInstrType() != expectedExpr.get(j)) return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
};
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user