removed reliance on undocumented windows internals in vnrhook
This commit is contained in:
Akash Mozumdar
parent
3a001e66b2
commit
9bc95191ff
@ -4366,15 +4366,16 @@ void SpecialHookRUGP1(DWORD esp_base, HookParam *hp, BYTE, DWORD *data, DWORD *s
|
||||
// jichi 10/1/2013: Change return type to bool
|
||||
bool InsertRUGP1Hook()
|
||||
{
|
||||
DWORD low, high;
|
||||
if (!Util::CheckFile(L"rvmm.dll") || !SafeFillRange(L"rvmm.dll", &low, &high)) {
|
||||
DWORD low;
|
||||
if (!Util::CheckFile(L"rvmm.dll")) {
|
||||
ConsoleOutput("vnreng:rUGP: rvmm.dll does not exist");
|
||||
return false;
|
||||
}
|
||||
//WCHAR str[0x40];
|
||||
LPVOID ch = (LPVOID)0x8140;
|
||||
enum { range = 0x20000 };
|
||||
DWORD t = SearchPattern(low + range, high - low - range, &ch, 4) + range;
|
||||
low = (DWORD)GetModuleHandleW(L"rvmm.dll");
|
||||
DWORD t = SearchPattern(low + range, process_limit, &ch, 4) + range;
|
||||
BYTE *s = (BYTE *)(low + t);
|
||||
//if (t) {
|
||||
if (t != range) { // jichi 10/1/2013: Changed to compare with 0x20000
|
||||
@ -4510,7 +4511,7 @@ bool InsertRUGP1Hook()
|
||||
bool InsertRUGP2Hook()
|
||||
{
|
||||
DWORD low, high;
|
||||
if (!Util::CheckFile(L"vm60.dll") || !SafeFillRange(L"vm60.dll", &low, &high)) {
|
||||
if (!Util::CheckFile(L"vm60.dll") /*|| !SafeFillRange(L"vm60.dll", &low, &high)*/) {
|
||||
ConsoleOutput("vnreng:rUGP2: vm60.dll does not exist");
|
||||
return false;
|
||||
}
|
||||
@ -4524,7 +4525,7 @@ bool InsertRUGP2Hook()
|
||||
0x89,0x75, 0x0c // 1001e527 8975 0c mov dword ptr ss:[ebp+0xc],esi
|
||||
};
|
||||
enum { addr_offset = 0x1001e51d - 0x1001e515 };
|
||||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), low, high);
|
||||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), process_base, process_limit);
|
||||
//GROWL_DWORD(addr);
|
||||
if (!addr) {
|
||||
ConsoleOutput("vnreng:rUGP2: pattern not found");
|
||||
@ -4596,7 +4597,7 @@ System40 hook:
|
||||
data offset dynamically.
|
||||
********************************************************************************************/
|
||||
|
||||
static void InsertAliceHook1(DWORD addr, DWORD module, DWORD limit)
|
||||
static void InsertAliceHook1(DWORD addr)
|
||||
{
|
||||
if (!addr) {
|
||||
ConsoleOutput("vnreng:AliceHook1: failed");
|
||||
@ -4605,7 +4606,6 @@ static void InsertAliceHook1(DWORD addr, DWORD module, DWORD limit)
|
||||
for (DWORD i = addr, s = addr; i < s + 0x100; i++)
|
||||
if (*(BYTE *)i == 0xe8) { // Find the first relative call.
|
||||
DWORD j = i + 5 + *(DWORD *)(i + 1);
|
||||
if (j > module && j < limit) {
|
||||
while (true) { // Find the first register push onto stack.
|
||||
DWORD c = ::disasm((BYTE *)s);
|
||||
if (c == 1)
|
||||
@ -4624,7 +4624,6 @@ static void InsertAliceHook1(DWORD addr, DWORD module, DWORD limit)
|
||||
//RegisterEngineType(ENGINE_SYS40);
|
||||
return;
|
||||
}
|
||||
}
|
||||
ConsoleOutput("vnreng:AliceHook1: failed");
|
||||
}
|
||||
static void InsertAliceHook2(DWORD addr)
|
||||
@ -4649,12 +4648,20 @@ static void InsertAliceHook2(DWORD addr)
|
||||
// jichi 5/13/2015: Looking for function entries in StoatSpriteEngine.dll
|
||||
bool InsertAliceHook()
|
||||
{
|
||||
DWORD low, high, addr;
|
||||
if (GetFunctionAddr("SP_TextDraw", &addr, &low, &high, 0) && addr) {
|
||||
InsertAliceHook1(addr, low, low + high);
|
||||
DWORD addr;
|
||||
if (addr = (DWORD)GetProcAddress(GetModuleHandleW(L"SACT2.dll"), "SP_TextDraw")) {
|
||||
InsertAliceHook1(addr);
|
||||
return true;
|
||||
}
|
||||
if (GetFunctionAddr("SP_SetTextSprite", &addr, &low, &high, 0) && addr) {
|
||||
if (addr = (DWORD)GetProcAddress(GetModuleHandleW(L"SACTDX.dll"), "SP_TextDraw")) {
|
||||
InsertAliceHook1(addr);
|
||||
return true;
|
||||
}
|
||||
//if (GetFunctionAddr("SP_SetTextSprite", &addr, &low, &high, 0) && addr) {
|
||||
// InsertAliceHook2(addr);
|
||||
// return true;
|
||||
//}
|
||||
if (addr = (DWORD)GetProcAddress(GetModuleHandleW(L"StoatSpriteEngine.dll"), "SP_SetTextSprite")) { // Artikash 6/27/2018 not sure if this works
|
||||
InsertAliceHook2(addr);
|
||||
return true;
|
||||
}
|
||||
@ -8216,12 +8223,7 @@ void SpecialHookDebonosuScenario(DWORD esp_base, HookParam *hp, BYTE, DWORD *dat
|
||||
}
|
||||
bool InsertDebonosuScenarioHook()
|
||||
{
|
||||
DWORD fun;
|
||||
if (!GetFunctionAddr("lstrcatA", &fun, 0, 0, 0)) {
|
||||
ConsoleOutput("vnreng:Debonosu: failed to find lstrcatA");
|
||||
return false;
|
||||
}
|
||||
DWORD addr = Util::FindImportEntry(process_base, fun);
|
||||
DWORD addr = Util::FindImportEntry(process_base, (DWORD)lstrcatA);
|
||||
if (!addr) {
|
||||
ConsoleOutput("vnreng:Debonosu: lstrcatA is not called");
|
||||
return false;
|
||||
@ -8796,11 +8798,11 @@ bool InsertIGSDynamicHook(LPVOID addr, DWORD frame, DWORD stack)
|
||||
i = *(DWORD *)frame;
|
||||
i = *(DWORD *)(i+4);
|
||||
DWORD j, k;
|
||||
if (SafeFillRange(L"mscorlib.ni.dll", &j, &k)) {
|
||||
//if (SafeFillRange(L"mscorlib.ni.dll", &j, &k)) { // Artikash 6/30/2018: Dunno why addresses are needed
|
||||
while (*(BYTE *)i != 0xe8)
|
||||
i++;
|
||||
DWORD t = *(DWORD *)(i + 1) + i + 5;
|
||||
if (t>j && t<k) {
|
||||
//if (t>j && t<k) {
|
||||
HookParam hp = {};
|
||||
hp.address = t;
|
||||
hp.offset = -0x10;
|
||||
@ -8812,8 +8814,8 @@ bool InsertIGSDynamicHook(LPVOID addr, DWORD frame, DWORD stack)
|
||||
//ConsoleOutput("IGS - Please set text(ヂ<>ス<EFBFBD> display speed(表示速度) to fastest(瞬<>");
|
||||
//RegisterEngineType(ENGINE_IGS);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
//}
|
||||
//}
|
||||
ConsoleOutput("vnreng:IGS: failed");
|
||||
return true; // jichi 12/25/2013: return true
|
||||
}
|
||||
|
||||
@ -54,68 +54,6 @@ HMODULE currentModule;
|
||||
extern DWORD enter_count;
|
||||
//extern LPWSTR current_dir;
|
||||
extern DWORD engine_type;
|
||||
std::unordered_map<std::string, FunctionInfo> functionInfoByName;
|
||||
|
||||
namespace { // unnamed
|
||||
|
||||
void AddModule(DWORD hModule, DWORD size, LPWSTR name)
|
||||
{
|
||||
FunctionInfo info = {0, hModule, size, name};
|
||||
IMAGE_DOS_HEADER *DosHdr = (IMAGE_DOS_HEADER *)hModule;
|
||||
if (IMAGE_DOS_SIGNATURE == DosHdr->e_magic) {
|
||||
DWORD dwReadAddr = hModule + DosHdr->e_lfanew;
|
||||
IMAGE_NT_HEADERS *NtHdr = (IMAGE_NT_HEADERS *)dwReadAddr;
|
||||
if (IMAGE_NT_SIGNATURE == NtHdr->Signature) {
|
||||
DWORD dwExportAddr = NtHdr->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
|
||||
if (dwExportAddr == 0)
|
||||
return;
|
||||
dwExportAddr += hModule;
|
||||
IMAGE_EXPORT_DIRECTORY *ExtDir = (IMAGE_EXPORT_DIRECTORY*)dwExportAddr;
|
||||
dwExportAddr = hModule+ExtDir->AddressOfNames;
|
||||
for (UINT uj = 0; uj < ExtDir->NumberOfNames; uj++) {
|
||||
DWORD dwFuncName = *(DWORD *)dwExportAddr;
|
||||
char *pcBuffer = (char *)(hModule + dwFuncName);
|
||||
char *pcFuncPtr = (char *)(hModule + (DWORD)ExtDir->AddressOfNameOrdinals+(uj * sizeof(WORD)));
|
||||
WORD word = *(WORD *)pcFuncPtr;
|
||||
pcFuncPtr = (char *)(hModule + (DWORD)ExtDir->AddressOfFunctions+(word * sizeof(DWORD)));
|
||||
info.addr = hModule + *(DWORD *)pcFuncPtr;
|
||||
::functionInfoByName[std::string(pcBuffer)] = info;
|
||||
dwExportAddr += sizeof(DWORD);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void AddAllModules()
|
||||
{
|
||||
// jichi 9/26/2013: AVLTree is already zero
|
||||
PPEB ppeb;
|
||||
__asm {
|
||||
mov eax, fs:[0x30]
|
||||
mov ppeb, eax
|
||||
}
|
||||
DWORD temp = *(DWORD *)(&ppeb->Ldr->InLoadOrderModuleList);
|
||||
PLDR_DATA_TABLE_ENTRY it = (PLDR_DATA_TABLE_ENTRY)temp;
|
||||
while (it->SizeOfImage) {
|
||||
AddModule((DWORD)it->DllBase, it->SizeOfImage, it->BaseDllName.Buffer);
|
||||
it = (PLDR_DATA_TABLE_ENTRY)it->InLoadOrderModuleList.Flink;
|
||||
if (*(DWORD *)it == temp)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
} // unnamed namespace
|
||||
|
||||
DWORD GetFunctionAddr(const char *name, DWORD *addr, DWORD *base, DWORD *size, LPWSTR *base_name)
|
||||
{
|
||||
if (::functionInfoByName.find(std::string(name)) == ::functionInfoByName.end())
|
||||
return FALSE;
|
||||
FunctionInfo functionInfo = ::functionInfoByName[std::string(name)];
|
||||
if (addr) *addr = functionInfo.addr;
|
||||
if (base) *base = functionInfo.module;
|
||||
if (size) *size = functionInfo.size;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
BOOL WINAPI DllMain(HINSTANCE hModule, DWORD fdwReason, LPVOID unused)
|
||||
{
|
||||
@ -163,7 +101,6 @@ BOOL WINAPI DllMain(HINSTANCE hModule, DWORD fdwReason, LPVOID unused)
|
||||
|
||||
::running = true;
|
||||
::current_available = ::hookman;
|
||||
AddAllModules();
|
||||
::currentModule = hModule;
|
||||
|
||||
pipeThread = CreateThread(nullptr, 0, PipeManager, 0, 0, nullptr);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user