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potential fixes

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This commit is contained in:
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);
downloadToFile(codeUrl, codeFile);
WasmCodePatcher patcher = new WasmCodePatcher(codeFile.getAbsolutePath());
patcher.patch();
new WasmCodePatcher(codeFile.getAbsolutePath()).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 {
private final Module module;
private String file;
public WasmCodePatcher(String file) throws IOException, InvalidOpCodeException {
module = new Module(file);
public WasmCodePatcher(String file) {
this.file = file;
}
public void patch() throws IOException, InvalidOpCodeException {
FuncIdx returnByteId = findReturnByteFunc();
FuncIdx setkey = findSetKeyFunc();
FuncIdx outgoingIdx = findOutFunc();
FuncIdx incomingIdx = findInFunc();
Module module = new Module(file);
hook(setkey, "g_chacha_setkey");
copyEmptyHook(returnByteId, "_gearth_returnbyte_copy", "g_chacha_returnbyte");
copyEmptyHook(outgoingIdx, "_gearth_outgoing_copy", "g_outgoing_packet");
copyEmptyHook(incomingIdx, "_gearth_incoming_copy", "g_incoming_packet");
FuncIdx returnByteId = findReturnByteFunc(module);
FuncIdx setkey = findSetKeyFunc(module);
FuncIdx outgoingIdx = findOutFunc(module);
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);
}
private FuncIdx findOutFunc() {
private FuncIdx findOutFunc(Module module) {
TypeIdx expectedTypeIdx = module.getTypeSection().getTypeIdxForFuncType(new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.emptyList())
@ -78,7 +78,7 @@ public class WasmCodePatcher {
return null;
}
private FuncIdx findSetKeyFunc() {
private FuncIdx findSetKeyFunc(Module module) {
FuncType expectedType = new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.emptyList())
@ -108,7 +108,7 @@ public class WasmCodePatcher {
return null;
}
private FuncIdx findReturnByteFunc() {
private FuncIdx findReturnByteFunc(Module module) {
FuncType expectedType = new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.singletonList(ValType.I32))
@ -131,7 +131,7 @@ public class WasmCodePatcher {
return null;
}
private FuncIdx findInFunc() {
private FuncIdx findInFunc(Module module) {
FuncType expectedType = new FuncType(
new ResultType(Arrays.asList(ValType.I32, ValType.I32, ValType.I32, ValType.I32, ValType.I32)),
new ResultType(Collections.emptyList())
@ -161,7 +161,7 @@ public class WasmCodePatcher {
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
// export the copy
// 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);
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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