+ entry({"mini", "system"}, alias("mini", "system", "index"), i18n("system"), 40)
+ entry({"mini", "system", "index"}, cbi("mini/system"), i18n("general"), 1)
+ entry({"mini", "system", "passwd"}, form("mini/passwd"), i18n("a_s_changepw"), 10)
+ entry({"mini", "system", "backup"}, call("action_backup"), i18n("a_s_backup"), 80)
+ entry({"mini", "system", "upgrade"}, call("action_upgrade"), i18n("a_s_flash"), 90)
+ entry({"mini", "system", "reboot"}, call("action_reboot"), i18n("reboot"), 100)
+end
+
+function action_backup()
+ local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
+ local restore_cmd = "gunzip | tar -xC/ >/dev/null 2>&1"
+ local backup_cmd = "tar -c %s | gzip 2>/dev/null"
+
+ local restore_fpi
+ luci.http.setfilehandler(
+ function(meta, chunk, eof)
+ if not restore_fpi then
+ restore_fpi = io.popen(restore_cmd, "w")
+ end
+ if chunk then
+ restore_fpi:write(chunk)
+ end
+ if eof then
+ restore_fpi:close()
+ end
+ end
+ )
+
+ local upload = luci.http.formvalue("archive")
+ local backup = luci.http.formvalue("backup")
+ local reset = reset_avail and luci.http.formvalue("reset")
+
+ if upload and #upload > 0 then
+ luci.template.render("mini/applyreboot")
+ luci.sys.reboot()
+ elseif backup then
+ luci.util.perror(backup_cmd:format(_keep_pattern()))
+ local backup_fpi = io.popen(backup_cmd:format(_keep_pattern()), "r")
+ luci.http.header('Content-Disposition', 'attachment; filename="backup.tar.gz"')
+ luci.http.prepare_content("application/x-targz")
+ luci.ltn12.pump.all(luci.ltn12.source.file(backup_fpi), luci.http.write)
+ elseif reset then
+ luci.template.render("mini/applyreboot")
+ luci.util.exec("mtd -r erase rootfs_data")
+ else
+ luci.template.render("mini/backup", {reset_avail = reset_avail})
+ end