Skip to content

Instantly share code, notes, and snippets.

@moteus moteus/get_win_ver.lua
Last active Dec 21, 2015

Embed
What would you like to do?
Detecting windows and service pack versions
local function exec(str)
local f, err = io.popen(str .. " 2>&1", "r")
if not f then return nil, err end
local str, err = f:read("*all")
f:close()
if str then return str end
return str, err
end
local WINVER = {
{"6.2", "Windows 8" },
{"6.1", "Windows 7" },
{"6.0", "Windows Vista" },
{"5.2", "Windows Server 2003" },
{"5.1", "Windows XP" },
{"5.0", "Windows 2000" },
}
local function win_ver(...)
local str, err = exec("ver")
if not str then return nil, err end
for _, t in ipairs(WINVER) do
if str:find(t[1], 1, true) then
return unpack(t)
end
end
return ...
end
local function win_sp(...)
local COMMANDS = {
{[[Reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v CSDversion]], "Service%s*Pack%s*(%d+)"},
{[[Reg query "HKLM\Software\Microsoft\Windows NT\CurrentVersion" /v ServicePack]],"Service%s*Pack%s*(%d+)"},
}
for _, cmd in ipairs(COMMANDS) do
local str, err = exec(cmd[1])
if not str then return nil, err end
local ver = str:match(cmd[2])
if ver then return tonumber(ver) end
end
return ...
end
local function get_win_val(arr)
local ver, err = win_ver('5.0')
if not ver then return nil, err end
local sp, err = win_sp(0)
if not sp then return nil, err end
for _, row in ipairs(arr) do
local key, val = row[1], row[2]
local kv, ks = key[1], key[2]
if kv == ver then
if not ks then return val end
if sp >= ks then return val end
end
end
end
-- http://msdn.microsoft.com/en-us/library/windows/desktop/aa383745%28v=vs.85%29.aspx
local _WINNT_VER = {
{{"6.2" }, "0x0602"}, -- Win8
{{"6.1" }, "0x0601"}, -- Win7
{{"6.0" }, "0x0600"}, -- Vista, Win2k8
{{"5.2", 1}, "0x0502"}, -- Win2k3 SP1
{{"5.1", 2}, "0x0502"}, -- WinXP SP2
{{"5.2" }, "0x0501"}, -- Win2k3
{{"5.1" }, "0x0501"}, -- WinXP
{{"5.0" }, "0x0500"}, -- Win2k
}
-- http://msdn.microsoft.com/en-us/library/windows/desktop/aa383745%28v=vs.85%29.aspx
local NTDDI_VERSION = {
{{"6.2", }, "0x06010000"}, -- Win8
{{"6.1", }, "0x06010000"}, -- Win7
{{"6.0", 1}, "0x06000100"}, -- Vista SP1, Win2k8 --???
{{"6.0", }, "0x06000000"}, -- Vista
{{"5.2", 2}, "0x05020200"}, -- Win2k3 SP2
{{"5.2", 1}, "0x05020100"}, -- Win2k3 SP1
{{"5.2", }, "0x05020000"}, -- Win2k3
{{"5.1", 3}, "0x05010300"}, -- WinXP SP3
{{"5.1", 2}, "0x05010200"}, -- WinXP SP2
{{"5.1", 1}, "0x05010100"}, -- WinXP SP1
{{"5.1", }, "0x05010000"}, -- WinXP
{{"5.0", }, "0x05000000"}, -- Win2k -- ???
}
print(get_win_val(_WINNT_VER))
print(get_win_val(NTDDI_VERSION))
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.