#!/bin/bash

# Add users (user:pass[:e][:[uid][:gid]][,...])
IFS=',' read -a users <<< "$SFTP_USERS"
for userData in "${users[@]}"; do
    IFS=':' read -a data <<< "$userData"
    user="${data[0]}"
    pass="${data[1]}"

    if [ "${data[2]}" == "e" ]; then
        chpasswdParams="-e"
        uid="${data[3]}"
        gid="${data[4]}"
    else
        uid="${data[2]}"
        gid="${data[3]}"
    fi

    useraddParams="-m -N"

    if [ -n "$uid" ]; then
        useraddParams="$useraddParams -o -u $uid"
    fi

    if [ -n "$gid" ]; then
        useraddParams="$useraddParams -g $gid"
    fi

    useradd $useraddParams "$user"
    echo "$user:$pass" | chpasswd $chpasswdParams
    chown root:root /home/$user
    chmod 755 /home/$user
done

# Run SSH
/usr/sbin/sshd -D