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Print OS info to log

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Credit to @maximilian578 for help
This commit is contained in:
msuih 2019-04-19 15:05:47 +03:00 • committed by Ivan
parent 243df38360
commit be6d9af1ab
3 changed files with 61 additions and 0 deletions
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48
Utilities/sysinfo.cpp
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@ -5,8 +5,13 @@
#ifdef _WIN32
#include "windows.h"
#include "sysinfoapi.h"
#include "subauth.h"
#include "stringapiset.h"
#else
#include <unistd.h>
#include <sys/utsname.h>
#include <errno.h>
#endif
bool utils::has_ssse3()
@ -153,3 +158,46 @@ std::string utils::get_firmware_version()
}
return "";
}
std::string utils::get_OS_version()
{
std::string output = "";
#ifdef _WIN32
// GetVersionEx is deprecated, RtlGetVersion is kernel-mode only and AnalyticsInfo is UWP only.
// So we're forced to read PEB instead to get Windows version info. It's ugly but works.
const DWORD peb_offset = 0x60;
const INT_PTR peb = __readgsqword(peb_offset);
const DWORD version_major = *reinterpret_cast<const DWORD*>(peb + 0x118);
const DWORD version_minor = *reinterpret_cast<const DWORD*>(peb + 0x11c);
const WORD build = *reinterpret_cast<const WORD*>(peb + 0x120);
const UNICODE_STRING service_pack = *reinterpret_cast<const UNICODE_STRING*>(peb + 0x02E8);
const u64 compatibility_mode = *reinterpret_cast<const u64*>(peb + 0x02C8); // Two DWORDs, major & minor version
const bool has_sp = service_pack.Length > 0;
std::vector<char> holder(service_pack.Length + 1, '\0');
if (has_sp)
{
WideCharToMultiByte(CP_UTF8, NULL, service_pack.Buffer, service_pack.Length,
(LPSTR) holder.data(), static_cast<int>(holder.size()), NULL, NULL);
}
fmt::append(output,
"Operating system: Windows, Major: %lu, Minor: %lu, Build: %u, Service Pack: %s, Compatibility mode: %llu",
version_major, version_minor, build, has_sp ? holder.data() : "none", compatibility_mode);
#else
struct utsname details = {};
if (!uname(&details))
{
fmt::append(output, "Operating system: POSIX, Name: %s, Release: %s, Version: %s",
details.sysname, details.release, details.version);
}
else
{
fmt::append(output, "Operating system: POSIX, Unknown version! (Error: %d)", errno);
}
#endif
return output;
}