#!/bin/bash

######################################## File Description ########################################
# Creation time:2020-05-30
# Project:07
# Task: 02
# Execute example:bash record-shell-x-x.sh
# Detailed description:
# About:http://linux.book.51xueweb.cn
##################################################################################################

# reback start
yum remove -y vsftpd pam pam-*
# reback end

#***************reader shell start***************

# Install vsftpd、PAM
yum install -y vsftpd pam pam-*

# Add vsftpd
useradd -g ftp -d /home/vsftpd -s /sbin/nologin vsftpd

# Creat and Configure vuser_passwd.conf
cat > /etc/vsftpd/vuser_passwd.conf << EOF 
admin01
admin01@pwd
admin02
admin02@pwd
market01
market01@pwd
market02
market02@pwd
market03
market03@pwd
design01
design01@pwd
design02
design02@pwd
develop01
develop01@pwd
develop02
develop02@pwd
develop03
develop03@pwd
EOF

# Compile vuser_passwd.conf
db_load -T -t hash -f /etc/vsftpd/vuser_passwd.conf /etc/vsftpd/vuser_passwd.db

# Configure PAM
sed -ir 's/^/#/g' /etc/pam.d/vsftpd
echo -n '
auth required pam_userdb.so db=/etc/vsftpd/vuser_passwd
account required pam_userdb.so db=/etc/vsftpd/vuser_passwd
' >> /etc/pam.d/vsftpd

# Creat folder
mkdir -p /srv/ftp/admin
mkdir -p /srv/ftp/market
mkdir -p /srv/ftp/design
mkdir -p /srv/ftp/develop

# Give folder permission
chmod -R 777 /srv/ftp/admin
chmod -R 777 /srv/ftp/market
chmod -R 777 /srv/ftp/design
chmod -R 777 /srv/ftp/develop

# Give ftp user permission
chown -R ftp:ftp /srv/ftp

# Look information of '/srv/ftp'
ls -l /srv/ftp

# Backup configuration file
cp /etc/vsftpd/vsftpd.conf /etc/vsftpd/vsftpd.conf.bak1

# Configure vsftpd Global
cat > /etc/vsftpd/vsftpd.conf << EOF 
ftpd_banner=Welcome to FTP Service.
anonymous_enable=NO
local_enable=YES
write_enable=YES
local_umask=022
anon_upload_enable=NO
anon_mkdir_write_enable=NO
dirmessage_enable=YES
xferlog_enable=YES
connect_from_port_20=YES
chown_uploads=YES
xferlog_file=/var/log/xferlog
xferlog_std_format=YES
#nopriv_user=vsftpd
async_abor_enable=YES
ascii_upload_enable=YES
ascii_download_enable=YES
chroot_local_user=YES
chroot_list_enable=YES
chroot_list_file=/etc/vsftpd/chroot_list
chroot_list_enable=YES
listen=YES
pam_service_name=vsftpd
userlist_enable=YES
guest_enable=YES
guest_username=vsftpd
virtual_use_local_privs=YES
allow_writeable_chroot=YES
user_config_dir=/etc/vsftpd/vsftpd_user_conf
EOF

# Empty file of '/etc/vsftpd/chroot_list'
> /etc/vsftpd/chroot_list

# Configure file of '/etc/vsftpd/chroot_list'
echo vsftpd > /etc/vsftpd/chroot_list

# Creat folder of '/etc/vsftpd/vsftpd_user_conf'
mkdir -p /etc/vsftpd/vsftpd_user_conf

# Configure Market
touch /etc/vsftpd/vsftpd_user_conf/admin01

cat > /etc/vsftpd/vsftpd_user_conf/admin01 << EOF
ftpd_banner=Welcome to Market.
local_root=/srv/ftp/admin
write_enable=YES
anon_umask=022
anon_world_readable_only=NO
anon_upload_enable=YES
anon_mkdir_write_enable=YES
anon_other_write_enable=YES
EOF

cp /etc/vsftpd/vsftpd_user_conf/admin01 /etc/vsftpd/vsftpd_user_conf/admin02


# Configure Market
touch /etc/vsftpd/vsftpd_user_conf/market01

cat > /etc/vsftpd/vsftpd_user_conf/market01 << EOF
ftpd_banner=Welcome to Market.
local_root=/srv/ftp/market
write_enable=YES
anon_umask=022
anon_world_readable_only=NO
anon_upload_enable=YES
anon_mkdir_write_enable=YES
anon_other_write_enable=YES
EOF

cp /etc/vsftpd/vsftpd_user_conf/market01 /etc/vsftpd/vsftpd_user_conf/market02

cp /etc/vsftpd/vsftpd_user_conf/market01 /etc/vsftpd/vsftpd_user_conf/market03

# Configure Design
touch /etc/vsftpd/vsftpd_user_conf/design01

cat > /etc/vsftpd/vsftpd_user_conf/design01 << EOF
ftpd_banner=Welcome to Design.
local_root=/srv/ftp/design
write_enable=YES
anon_umask=022
anon_world_readable_only=NO
anon_upload_enable=YES
anon_mkdir_write_enable=YES
anon_other_write_enable=YES
EOF

cp /etc/vsftpd/vsftpd_user_conf/design01 /etc/vsftpd/vsftpd_user_conf/design02


# Configure Develop
touch /etc/vsftpd/vsftpd_user_conf/develop01

cat > /etc/vsftpd/vsftpd_user_conf/develop01 << EOF
ftpd_banner=Welcome to Develop.
local_root=/srv/ftp/develop
write_enable=YES
anon_umask=022
anon_world_readable_only=NO
anon_upload_enable=YES
anon_mkdir_write_enable=YES
anon_other_write_enable=YES

EOF

cp /etc/vsftpd/vsftpd_user_conf/develop01 /etc/vsftpd/vsftpd_user_conf/develop02

cp /etc/vsftpd/vsftpd_user_conf/develop01 /etc/vsftpd/vsftpd_user_conf/develop03

# Restart vsftpd
systemctl restart vsftpd

#***************reader shell end***************