diff options
| -rw-r--r-- | modules/niu/luasrc/controller/niu/system.lua | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/modules/niu/luasrc/controller/niu/system.lua b/modules/niu/luasrc/controller/niu/system.lua index bb78edf08d..45f7cb6152 100644 --- a/modules/niu/luasrc/controller/niu/system.lua +++ b/modules/niu/luasrc/controller/niu/system.lua @@ -12,7 +12,7 @@ You may obtain a copy of the License at $Id$ ]]-- -local req = require +local require, pairs, unpack = require, pairs, unpack module "luci.controller.niu.system" function index() @@ -20,4 +20,48 @@ function index() entry({"niu", "system", "general"}, cbi("niu/system/general", {on_success_to={"niu"}}), "General", 10) + + entry({"niu", "system", "backup"}, call("backup"), "Backup Settings", 20) end + +function backup() + local os = require "os" + local uci = require "luci.model.uci".cursor() + local nixio, nutl = require "nixio", require "nixio.util" + local fs = require "nixio.fs" + local http = require "luci.http" + + + local call = {"/bin/tar", "-cz"} + for k, v in pairs(uci:get_all("luci", "flash_keep")) do + if k:byte() ~= 46 then -- k[1] ~= "." + nutl.consume(fs.glob(v), call) + end + end + + + http.header( + 'Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % { + nixio.uname().nodename, os.date("%Y-%m-%d") + } + ) + http.prepare_content("application/x-targz") + + + local fdin, fdout = nixio.pipe() + local devnull = nixio.open("/dev/null", "r+") + local proc = nixio.fork() + + if proc == 0 then + fdin:close() + nixio.dup(devnull, nixio.stdin) + nixio.dup(devnull, nixio.stderr) + nixio.dup(fdout, nixio.stdout) + nixio.exec(unpack(call)) + os.exit(1) + end + + fdout:close() + http.splice(fdin) + http.close() +end
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