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potential fixes

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sirjonasxx 2020-12-29 00:25:12 +01:00
parent 065aebeb76
commit 15bbe349f8
4 changed files with 18 additions and 19 deletions
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3
G-Earth/src/main/java/gearth/services/unity_tools/UnityWebModifyer.java
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@ -96,8 +96,7 @@ public class UnityWebModifyer {
URL codeUrl = new URL(currentUrl + UNITY_CODE); URL codeUrl = new URL(currentUrl + UNITY_CODE);
downloadToFile(codeUrl, codeFile); downloadToFile(codeUrl, codeFile);
WasmCodePatcher patcher = new WasmCodePatcher(codeFile.getAbsolutePath()); new WasmCodePatcher(codeFile.getAbsolutePath()).patch();
patcher.patch();
} }

34
G-Earth/src/main/java/gearth/services/unity_tools/WasmCodePatcher.java
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@ -25,30 +25,30 @@ import java.util.*;
public class WasmCodePatcher { public class WasmCodePatcher {
private final Module module;
private String file; private String file;
public WasmCodePatcher(String file) throws IOException, InvalidOpCodeException { public WasmCodePatcher(String file) {
module = new Module(file);
this.file = file; this.file = file;
} }
public void patch() throws IOException, InvalidOpCodeException { public void patch() throws IOException, InvalidOpCodeException {
FuncIdx returnByteId = findReturnByteFunc(); Module module = new Module(file);
FuncIdx setkey = findSetKeyFunc();
FuncIdx outgoingIdx = findOutFunc();
FuncIdx incomingIdx = findInFunc();
hook(setkey, "g_chacha_setkey"); FuncIdx returnByteId = findReturnByteFunc(module);
copyEmptyHook(returnByteId, "_gearth_returnbyte_copy", "g_chacha_returnbyte"); FuncIdx setkey = findSetKeyFunc(module);
copyEmptyHook(outgoingIdx, "_gearth_outgoing_copy", "g_outgoing_packet"); FuncIdx outgoingIdx = findOutFunc(module);
copyEmptyHook(incomingIdx, "_gearth_incoming_copy", "g_incoming_packet"); FuncIdx incomingIdx = findInFunc(module);
hook(module, setkey, "g_chacha_setkey");
copyEmptyHook(module, returnByteId, "_gearth_returnbyte_copy", "g_chacha_returnbyte");
copyEmptyHook(module, outgoingIdx, "_gearth_outgoing_copy", "g_outgoing_packet");
copyEmptyHook(module, incomingIdx, "_gearth_incoming_copy", "g_incoming_packet");
module.assembleToFile(file); module.assembleToFile(file);
} }
private FuncIdx findOutFunc() { private FuncIdx findOutFunc(Module module) {
TypeIdx expectedTypeIdx = module.getTypeSection().getTypeIdxForFuncType(new FuncType( TypeIdx expectedTypeIdx = module.getTypeSection().getTypeIdxForFuncType(new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)), new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.emptyList()) new ResultType(Collections.emptyList())
@ -78,7 +78,7 @@ public class WasmCodePatcher {
return null; return null;
} }
private FuncIdx findSetKeyFunc() { private FuncIdx findSetKeyFunc(Module module) {
FuncType expectedType = new FuncType( FuncType expectedType = new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32)), new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.emptyList()) new ResultType(Collections.emptyList())
@ -108,7 +108,7 @@ public class WasmCodePatcher {
return null; return null;
} }
private FuncIdx findReturnByteFunc() { private FuncIdx findReturnByteFunc(Module module) {
FuncType expectedType = new FuncType( FuncType expectedType = new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)), new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.singletonList(ValType.I32)) new ResultType(Collections.singletonList(ValType.I32))
@ -131,7 +131,7 @@ public class WasmCodePatcher {
return null; return null;
} }
private FuncIdx findInFunc() { private FuncIdx findInFunc(Module module) {
FuncType expectedType = new FuncType( FuncType expectedType = new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32, ValType.I32)), new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.emptyList()) new ResultType(Collections.emptyList())
@ -161,7 +161,7 @@ public class WasmCodePatcher {
return null; return null;
} }
private void copyEmptyHook(FuncIdx orgFuncIdx, String exportName, String hookname) throws InvalidOpCodeException, IOException { private void copyEmptyHook(Module module, FuncIdx orgFuncIdx, String exportName, String hookname) throws InvalidOpCodeException, IOException {
// copies the method, empties the first one // copies the method, empties the first one
// export the copy // export the copy
// hooks to the emptied one // hooks to the emptied one
@ -197,7 +197,7 @@ public class WasmCodePatcher {
} }
private void hook(FuncIdx funcIdx, String jsFunctionName) throws InvalidOpCodeException, IOException { private void hook(Module module, FuncIdx funcIdx, String jsFunctionName) throws InvalidOpCodeException, IOException {
FuncType funcType = module.getTypeSection().getByFuncIdx(funcIdx); FuncType funcType = module.getTypeSection().getByFuncIdx(funcIdx);
Import imp = new Import( Import imp = new Import(

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G-Earth/src/main/resources/build/windows/32bit/G-Earth.exe
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G-Earth/src/main/resources/build/windows/64bit/G-Earth.exe
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