nethic

example:
    ~# useradd -d /home/sn00p/./ sn00p
    ~# cat /etc/passwd | grep sn00p
    sn00p:x:10000:10000::/home/sn00p/./:/bin/bash


download & unpack the source:
    ~# cd /usr/src
    ~# wget http://anga.funkfeuer.at/ftp/pub/OpenBSD/OpenSSH/portable/openssh-5.3p1.tar.gz
    ~# tar zxf openssh-5.3p1.tar.gz

download patch & apply to source:
    ~# cd /usr/src/openssh-5.3p1
    ~# wget http://www.cybnet.ch/misc/opensource/openssh-5.3p1-chroot.patch
    ~# patch -p0 < openssh-5.3p1-chroot.patch

configure (options for GNU/Debian) & compile:
    ~# ./configure --prefix=/usr --sysconfdir=/etc/ssh --with-pam
    ~# make

after all this i get
ssh nethic@kaboomclothing.com -p 9999
Debian 5.0 Lenny
nethic@kaboomclothing.com's password:
PTY allocation request failed on channel 0
Could not chdir to home directory /home/users/./home/nethic: No such file or directory
login: No such file or directory
Connection to kaboomclothing.com closed.

root@0x7a69:/home/users# cat /etc/passwd|grep nethic
nethic:x:5003:100::/home/users/home/nethic/./:/bin/bash