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mirror of https://github.com/koreader/koreader synced 2024-11-06 09:20:32 +00:00
koreader/plugins/timesync.koplugin/main.lua
NiLuJe 16e96969c5
TimeSync: Double-check that ntpd is busybox (#10992)
Kindle ships another implementation, with incompatible syntax...

Regression since #10935
Thanks to @yparitcher ;).
2023-10-11 20:17:15 +02:00

98 lines
2.8 KiB
Lua

local Device = require("device")
local lfs = require("libs/libkoreader-lfs")
local ffi = require("ffi")
local C = ffi.C
require("ffi/posix_h")
-- We need to be root to be able to set the time (CAP_SYS_TIME)
if C.getuid() ~= 0 then
return { disabled = true, }
end
local ntp_cmd
-- Check if we have access to ntpd or ntpdate
if os.execute("command -v ntpd >/dev/null") == 0 then
-- Make sure it's actually busybox's implementation, as the syntax may otherwise differ...
-- (Of particular note, Kobo ships busybox ntpd, but not ntpdate; and Kindle ships ntpdate and !busybox ntpd).
local path = os.getenv("PATH") or ""
for p in path:gmatch("([^:]+)") do
local sym = lfs.symlinkattributes(p .. "/ntpd")
if sym and sym.mode == "link" and string.sub(sym.target, -7) == "busybox" then
ntp_cmd = "ntpd -q -n -p pool.ntp.org"
break
end
end
end
if not ntp_cmd and os.execute("command -v ntpdate >/dev/null") == 0 then
ntp_cmd = "ntpdate pool.ntp.org"
end
if not ntp_cmd then
return { disabled = true, }
end
local InfoMessage = require("ui/widget/infomessage")
local UIManager = require("ui/uimanager")
local WidgetContainer = require("ui/widget/container/widgetcontainer")
local T = require("ffi/util").template
local _ = require("gettext")
local NetworkMgr = require("ui/network/manager")
local TimeSync = WidgetContainer:extend{
name = "timesync",
}
local function currentTime()
local std_out = io.popen("date")
if std_out then
local result = std_out:read("*line")
std_out:close()
if result ~= nil then
return T(_("New time is %1."), result)
end
end
return _("Time synchronized.")
end
local function syncNTP()
local info = InfoMessage:new{
text = _("Synchronizing time. This may take several seconds.")
}
UIManager:show(info)
UIManager:forceRePaint()
local txt
if os.execute(ntp_cmd) ~= 0 then
txt = _("Failed to retrieve time from server. Please check your network configuration.")
else
txt = currentTime()
os.execute("hwclock -u -w")
-- On Kindle, do it the native way, too, to make sure the native UI gets the memo...
if Device:isKindle() and lfs.attributes("/usr/sbin/setdate", "mode") == "file" then
os.execute(string.format("/usr/sbin/setdate '%d'", os.time()))
end
end
UIManager:close(info)
UIManager:show(InfoMessage:new{
text = txt,
timeout = 3,
})
end
local menuItem = {
text = _("Synchronize time"),
keep_menu_open = true,
callback = function()
NetworkMgr:runWhenOnline(function() syncNTP() end)
end
}
function TimeSync:init()
self.ui.menu:registerToMainMenu(self)
end
function TimeSync:addToMainMenu(menu_items)
menu_items.synchronize_time = menuItem
end
return TimeSync