FTP Server

道德經:	名與身孰親？身與貨孰多？得與亡孰病？是故甚愛必大費；多藏必厚亡。知足不辱，知止不殆，可以長久。

Use open source  vsftpd-3.0.2.tar.gz2 to provide  FTP server functionality.

Program: vsftpd

URL: https://security.appspot.com/downloads/vsftpd-3.0.2.tar.gz

Design Principle:

1.      Parse and Restore run-time uci variables from USB storage internal hidden file for web UI, and successive steps deployment

2.      Conv. Run-time uci accounts and share folders Rules to USB storage internal hidden conf file (.ftp_MODEL_idVENDOR_idPROD_SN” )

3.      Parse user account and create run-time user account to ftp local base and more, user home folders dynamically

4.      Parse share folder rules(per-user authority, per-user local root,single folder, multiple sub-folders) and deploy run-time share folder settings(allowable execution access, disallowable execution access, mount share folder to per-user local root) to share section of samba conf dynamically.