gluon/package/gluon-web-admin/luasrc/lib/gluon/web/model/admin/remote.lua
2017-07-03 01:45:46 +02:00

110 lines
2.8 KiB
Lua

--[[
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2011 Jo-Philipp Wich <xm@subsignal.org>
Copyright 2013 Nils Schneider <nils@nilsschneider.net>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
]]--
local nixio = require "nixio"
local fs = require "nixio.fs"
local util = require "gluon.util"
local f_keys = Form(translate("SSH keys"), translate("You can provide your SSH keys here (one per line):"), 'keys')
local s = f_keys:section(Section)
local keys = s:option(TextValue, "keys")
keys.wrap = "off"
keys.rows = 5
keys.default = fs.readfile("/etc/dropbear/authorized_keys") or ""
function keys:write(value)
value = util.trim(value:gsub("\r", ""))
if value ~= "" then
fs.writefile("/etc/dropbear/authorized_keys", value .. "\n")
else
fs.remove("/etc/dropbear/authorized_keys")
end
end
local f_password = Form(translate("Password"),
translate(
"Alternatively, you can set a password to access your node. Please choose a secure password you don't use anywhere else.<br /><br />"
.. "If you set an empty password, login via password will be disabled. This is the default."
), 'password'
)
f_password.reset = false
local s = f_password:section(Section)
local pw1 = s:option(Value, "pw1", translate("Password"))
pw1.password = true
function pw1.cfgvalue()
return ''
end
local pw2 = s:option(Value, "pw2", translate("Confirmation"))
pw2.password = true
function pw2.cfgvalue()
return ''
end
local function set_password(password)
local inr, inw = nixio.pipe()
local pid = nixio.fork()
if pid < 0 then
return false
elseif pid == 0 then
inw:close()
local null = nixio.open('/dev/null', 'w')
nixio.dup(null, nixio.stderr)
nixio.dup(null, nixio.stdout)
if null:fileno() > 2 then
null:close()
end
nixio.dup(inr, nixio.stdin)
inr:close()
nixio.execp('passwd')
os.exit(127)
end
inr:close()
inw:write(string.format('%s\n%s\n', password, password))
inw:close()
local wpid, status, code = nixio.waitpid(pid)
return wpid and status == 'exited' and code == 0
end
function f_password:write()
if pw1.data ~= pw2.data then
f_password.errmessage = translate("The password and the confirmation differ.")
return
end
local pw = pw1.data
if #pw > 0 then
if set_password(pw) then
f_password.message = translate("Password changed.")
else
f_password.errmessage = translate("Unable to change the password.")
end
else
-- We don't check the return code here as the error 'password for root is already locked' is normal...
os.execute('passwd -l root >/dev/null')
f_password.message = translate("Password removed.")
end
end
return f_keys, f_password