#!/bin/sh

#set -e
#set -x

[ $# -ne 1 ] && { echo "$0 user"; exit 1; }

P_FILE="/etc/passwd"
G_FILE="/etc/group"
USER="$1"
#GROUP="$2"
#GROUP="pureftp"

echo "Add user \"$USER\""
echo -n "Check if user or usergroup already exsist ..."
 grep -q -e "^$USER:" $G_FILE && echo "UserGroup already exsists!" && exit 1
 grep -q -e "^$USER:" $P_FILE && echo "User already exists!" && exit 1
echo "OK"

# look for next free UID ...
for UID in $(seq 500 1000)
  do
    grep -q -e "$UID" $P_FILE || break
  done
[ $GID -eq 1000 ] && exit 1
echo "New GID for user \"$USER\" is: \"$GID\""

echo "$USER:x:$GID:xxxxxxxxx,xxxxxx" >> $G_FILE
echo "$USER:!:$UID:$GID:$USER:/home/$USER:/bin/ash" >> $P_FILE

echo -n "add new user \"$USER\" to pure-ftp user group ... "
  TMP=`grep -i "pureftp" $G_FILE`
  LINE="$TMP,$USER"
  echo "Line: $LINE"
  sed '/pureftp/d' $G_FILE > tmp.txt
  echo "$LINE" >> tmp.txt
  mv tmp.txt $G_FILE
echo "done"

echo -n "create \"$USER\" home directory ..."
 mkdir -p "/home/$USER"
 chown $USER:$USER "/home/$USER"
 chmod 755 "/home/$USER"
echo "done"

echo -n "create \"$USER\" ftp directory ..."
 mkdir -p /ftp/$USER
 chown $USER:$USER "/ftp/$USER"
 chmod 770 "/ftp/$USER"
echo "done"

#echo "Give system user password for user: \"$USER\"..." 
#passwd $USER

echo "Give pure-ftp password for user \"$USER\" to pure-ftpd db"
pure-pw useradd $USER -u $USER -D /ftp 
echo "make db..."
pure-pw mkdb