# Create symlink to current ssh socket, if a symlink to an active socket
# does not exist
if [ ! -S ~/.ssh/ssh_auth_sock ] && [ -S "$SSH_AUTH_SOCK" ]; then
    ln -sf $SSH_AUTH_SOCK ~/.ssh/ssh_auth_sock
fi

# Taken from the sshd(8) manpage.
if read proto cookie && [ -n "$DISPLAY" ]; then
    if [ `echo $DISPLAY | cut -c1-10` = 'localhost:' ]; then
        # X11UseLocalhost=yes
        echo add unix:`echo $DISPLAY | cut -c11-` $proto $cookie
    else
        # X11UseLocalhost=no
        echo add $DISPLAY $proto $cookie
    fi | xauth -q -
fi
