+ local path = "%s/%s" %{ self.uci:get_confdir(), self.config }
+ if fs.stat(path, "type") ~= "reg" then
+ fs.writefile(path, "")
+ end
+
+ local ok, err = self.uci:load(self.config)
+ if not ok then
+ local url = dispatcher.build_url(unpack(dispatcher.context.request))
+ local source = self:formvalue("cbi.source")
+ if type(source) == "string" then
+ fs.writefile(path, source:gsub("\r\n", "\n"))
+ ok, err = self.uci:load(self.config)
+ if ok then
+ luci.http.redirect(url)
+ end
+ end
+ end
+
+ if not ok then
+ self.template = "cbi/error"
+ self.error = err
+ self.source = fs.readfile(path) or ""
+ self.pageaction = false