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Fix crash on Windows 7

This commit is contained in:
torusrxxx 2022-10-12 22:46:06 +08:00
parent 4033faf4ef
commit dd4d6c48db
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GPG Key ID: A795C73A0F1CFADD
1 changed files with 13 additions and 7 deletions
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20
src/bridge/bridgemain.cpp
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@ -347,19 +347,25 @@ BRIDGE_IMPEXP bool BridgeIsProcessElevated()
return !!IsAdminMember;
}
static DWORD BridgeGetNtBuildNumberWindows7()
{
auto p_RtlGetVersion = (NTSTATUS(WINAPI*)(PRTL_OSVERSIONINFOW))GetProcAddress(GetModuleHandleW(L"ntdll.dll"), "RtlGetVersion");
RTL_OSVERSIONINFOW info = { sizeof(info) };
if(p_RtlGetVersion && p_RtlGetVersion(&info) == 0)
return info.dwBuildNumber;
else
return 0;
}
BRIDGE_IMPEXP unsigned int BridgeGetNtBuildNumber()
{
// https://www.vergiliusproject.com/kernels/x64/Windows%2010%20%7C%202016/1507%20Threshold%201/_KUSER_SHARED_DATA
auto NtBuildNumber = *(unsigned int*)(0x7FFE0000 + 0x260);
auto NtBuildNumber = *(DWORD*)(0x7FFE0000 + 0x260);
if(NtBuildNumber == 0)
{
// Older versions of Windows
static auto p_RtlGetVersion = (NTSTATUS(*)(PRTL_OSVERSIONINFOW))GetProcAddress(GetModuleHandleW(L"ntdll.dll"), "RtlGetVersion");
RTL_OSVERSIONINFOW info = { sizeof(info) };
if(p_RtlGetVersion && p_RtlGetVersion(&info) == 0)
{
NtBuildNumber = info.dwBuildNumber;
}
static DWORD NtBuildNumber7 = BridgeGetNtBuildNumberWindows7();
NtBuildNumber = NtBuildNumber7;
}
return NtBuildNumber;
}