addsftpuser.sh

#!/bin/sh

set -e

G="sftpusers"
U=$1
P=$2

if [ -z "$1" ]
  then
    echo "no username given"
    exit 1
fi

if [ -z "$2" ]
  then
    echo "no pubkey given"
    exit 1
fi

echo "Adding $U to $G"
useradd -g $G -d /incoming -s /sbin/nologin $U
echo "Creating sftp dir"
mkdir -p /sftp/$U/incoming
chown $U:$G /sftp/$U/incoming
echo "setting pubkey access"
mkdir -p /home/$U/.ssh
echo "$P" > /home/$U/.ssh/authorized_keys
chmod 600 /home/$U/.ssh/authorized_keys
chmod 700 /home/$U/.ssh/
chown -R $U:$G /home/$U
echo "Done"