Shell Script Build FTP server (VSFTPD) _linux shell

Various points of knowledge are written in the notes.

Only need sudo $PATH/ftpsetup.sh, default to test/test for user name password login, after the root directory read-only, subdirectory writable writable.

Test OK on Ubuntu 13 and Linux Mint 15.

Copy Code code as follows:

#!/bin/bash
# by Liuhx 2013-nov-04.
# Script to set up FTP environment. The FTP root directory is read-only, and the writable directory under it is writable

# The following four items can be customized
# FTP User Name
Username= "Test"
# FTP Password
password= "Test"
# FTP root directory, do not add at the end
Ftp_dir= "$HOME/ftp"
# Directory Name of writable directory
Writable= "Writable"

# If no sudo is added, prompt for error and exit
if ["x$ (id-u)"!= x0]; Then
echo "Error:please run this script with ' sudo '."
Exit 1
Fi

# Core Tools, VSFTPD. -Y is answer yes to all prompts
sudo apt-get-y install vsftpd
# Db-util is the tool used to generate the user list database
sudo apt-get-y install Db-util

# The following steps refer to HTTPS://HELP.UBUNTU.COM/COMMUNITY/VSFTPD
# Create a user name and password database, in singular behavior username, double action password record
Cd/tmp
printf "$userName \n$password\n" > Vusers.txt
Db_load-t-T hash-f vusers.txt vsftpd-virtual-user.db
sudo cp-f vsftpd-virtual-user.db/etc/
Cd/etc
chmod vsftpd-virtual-user.db
if [!-e Vsftpd.conf.old]; Then
sudo cp-f vsftpd.conf vsftpd.conf.old
Fi

# Create Pam file. Bash the here-document, directly output these content overwrite the original file
(sudo cat <<eof
Auth Required pam_userdb.so Db=/etc/vsftpd-virtual-user
Account Required Pam_userdb.so Db=/etc/vsftpd-virtual-user
Session Required Pam_loginuid.so
Eof
) > Pam.d/vsftpd.virtual

# get current username, can't use whoami or $logname, otherwise get root
Owner= ' Who am i| awk ' {print '} '

# Create a vsftpd configuration file.
(sudo cat <<eof
Listen=yes
Anonymous_enable=no
Local_enable=yes
Virtual_use_local_privs=yes
Write_enable=yes
local_umask=000
Dirmessage_enable=yes
Use_localtime=yes
Xferlog_enable=yes
Connect_from_port_20=yes
Chroot_local_user=yes
Hide_ids=yes
Secure_chroot_dir=/var/run/vsftpd/empty
Pam_service_name=vsftpd.virtual
Guest_enable=yes
user_sub_token= $USER
Rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
Rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
Eof
) > Vsftpd.conf
sudo echo "local_root= $ftp _dir" >> vsftpd.conf
# Virtual users need to map to the local user, set to themselves, avoid permissions issues, but also make their own FTP root directory is not writable
sudo echo "guest_username= $owner" >> vsftpd.conf

# set up each virtual user can browse only its root and subdirectory (otherwise access to the disk root directory),
# This will be required the root directory is not writable, so create a writable subdirectory
mkdir "$ftp _dir"
mkdir "$ftp _dir/$writable"
sudo chmod a-w "$ftp _dir"
sudo chown-r $owner: $owner $ftp _dir

SUDO/ETC/INIT.D/VSFTPD restart