Samba4/OSX

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A brief howto on installing Samba 4 alpha18 on OS X Lion (non-server). **Incomplete**

Dependencies

Install MacPorts using the instructions on macports.org.

Bind 9 with Dynamic Updates

Edit the Portfile in MacPorts to build Bind 9.9.0 for Samba 4 dynamic updates. The file is located at /opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports/net/bind9/Portfile

configure.args          --mandir=${prefix}/share/man \
                                --with-openssl=${prefix} \
                                --with-libxml2=${prefix} \
                                --enable-threads \
                                --enable-ipv6 \
                                --with-dlopen=yes

Then install bind9 and other dependencies

# port install bind9 gnutls readline talloc popt

Compiling, Installing and Provisioning

You can use Git as in general guide, or you may prefer to use releases:

$ curl http://ftp.samba.org/pub/samba/samba4/samba-4.0.0alpha18.tar.gz -o samba-4.0.0alpha18.tar.gz
$ tar -xvjf samba-4.0.0alpha18.tar.gz && cd samba-4.0.0alpha18

Since MacPorts installs Bind 9.9.0, we have to make a small change in source4/dns_server/dlz_minimal.h

#define DLZ_DLOPEN_VERSION 2

And we can go ahead with compiling Samba 4.

$ ./configure.developer --prefix=/opt/local/samba
$ make
# make install
# ./setup/provision --realm=samdom.example.com --domain=SAMDOM --adminpass=SOMEPASSWORD --server-role='domain controller'

Setting up Samba 4

export PATH="/opt/local/samba/sbin:/opt/local/samba/bin:$PATH"

Kerberos

In order to use Samba 4's included Kerberos and NetBios servers we need to first disable the ones that ships with Lion. Execute the following commands

# launchctl unload /System/Library/LaunchDaemons/com.apple.Kerberos.kdc.plist
# launchctl unload /System/Library/LaunchDaemons/com.apple.netbiosd.plist
# ln -s /opt/local/samba/private/krb5.conf /etc/krb5.conf

Configure DNS

For some reason bind looks for a so extension instead of a dylib. We can patch this up with a quick link.

# ln -s /opt/local/samba/lib/bind9/dlz_bind9.dylib /opt/local/samba/lib/bind9/dlz_bind9.so

There are some other things to tweak before bind9 will start properly.

# cp /opt/local/var/named/db.cache.dist /opt/local/var/named/db.cache
# cp /opt/local/var/named/db.127.0.0.dist /opt/local/var/named/db.127.0.0
# cp /opt/local/var/named/db.localhost.dist /opt/local/var/named/db.localhost
# cp /opt/local/etc/named.conf.dist /opt/local/etc/named.conf

Now you can add the following lines to include Samba's dynamic updates (in file /opt/local/etc/named.conf)

include "/opt/local/samba/private/named.conf";

and add these two lines in the "options" section

allow-query {any;};
tkey-gssapi-keytab "/opt/local/samba/private/dns.keytab";

Management with Launchd

Building a PortFile

Notes