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implement FlsGetValue2 #1637

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implement FlsGetValue2 #1637

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9 changes: 9 additions & 0 deletions qiling/os/windows/dlls/kernel32/fibersapi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,15 @@ def hook_FlsFree(ql: Qiling, address: int, params):
def hook_FlsGetValue(ql: Qiling, address: int, params):
return ql.os.fiber_manager.get(params['dwFlsIndex'])

# LPVOID FlsGetValue2(
# DWORD dwFlsIndex
# );
@winsdkapi(cc=STDCALL, params={
'dwFlsIndex' : DWORD
})
def hook_FlsGetValue2(ql: Qiling, address: int, params):
return ql.os.fiber_manager.get_noerr(params['dwFlsIndex'])

# BOOL FlsSetValue(
# DWORD dwFlsIndex
# PVOID lpFlsData
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7 changes: 7 additions & 0 deletions qiling/os/windows/fiber.py
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Original file line number Diff line number Diff line change
Expand Up @@ -112,3 +112,10 @@ def get(self, idx: int) -> int:
return 0

return self.fibers[idx].data

# equivalent to get, but does not set errors; used for FlsGetValue2
def get_noerr(self, idx: int) -> int:
if idx not in self.fibers:
return 0

return self.fibers[idx].data