luci/applications/luci-app-avalon/luasrc/model/cbi/passwdchange.lua

local fs = require "nixio.fs"

m = Map("system", translate("Router Password"),
	translate("Changes the administrator password for accessing the device"))

s = m:section(TypedSection, "_dummy", "")
s.addremove = false
s.anonymous = true

pw1 = s:option(Value, "pw1", translate("Password"))
pw1.password = true

pw2 = s:option(Value, "pw2", translate("Confirmation"))
pw2.password = true

function s.cfgsections()
	return { "_pass" }
end

function m.on_commit(map)
	local v1 = pw1:formvalue("_pass")
	local v2 = pw2:formvalue("_pass")

	if v1 and v2 and #v1 > 0 and #v2 > 0 then
		if v1 == v2 then
			if luci.sys.user.setpasswd("root", v1) == 0 then
				m.message = translate("Password successfully changed!")
			else
				m.message = translate("Unknown Error, password not changed!")
			end
		else
			m.message = translate("Given password confirmation did not match, password not changed!")
		end
	end
end

return m