#!/bin/bash
# info: add user sftp jail
# options: USER
#
# The script enables sftp jailed environment


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Argument definition
user=$1

# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '1' "$#" 'USER'
is_format_valid 'user'
if [ -z "$SFTPJAIL_KEY" ]; then
    exit
fi
user_str=$(grep "^$user:" /etc/passwd |egrep "rssh|nologin")
if [ -z "$user_str" ]; then
    exit
fi

#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Defining user homedir
home="$(echo $user_str |cut -f 6 -d :)"

# Adding chroot directory
if [ ! -d "/chroot/$user/$home" ]; then
    mkdir -p /chroot/$user/$home
    chmod 750 /chroot/$user
    chmod 775 /chroot/$user/$home
    chown root:sftp-only /chroot/$user
    chown $user:sftp-only /chroot/$user/$home
fi

# Adding user to sftp group
usermod -a -G sftp-only $user

# Mouting home directory
if [ -z "$(mount |grep /chroot/$user/$home)" ]; then
    mount -o bind $home /chroot/$user/$home/
fi


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Logging
log_event "$OK" "$ARGUMENTS"

exit