From bf3f3af92677bce8f03b0dd2be552d6c8c730ca1 Mon Sep 17 00:00:00 2001 From: Andrew Kroeger Date: Wed, 21 May 2008 18:12:36 -0500 Subject: provision: Generate krb5.conf template separate from named.conf template. (This used to be commit ebf130e9e57b640129cf0d05dbd7d210b71ea371) --- source4/scripting/python/samba/provision.py | 74 ++++++++++++++++++++--------- source4/setup/krb5.conf | 17 +++++++ source4/setup/named.conf | 14 ------ 3 files changed, 69 insertions(+), 36 deletions(-) create mode 100644 source4/setup/krb5.conf (limited to 'source4') diff --git a/source4/scripting/python/samba/provision.py b/source4/scripting/python/samba/provision.py index 4818a79f00..69c7e8846d 100644 --- a/source4/scripting/python/samba/provision.py +++ b/source4/scripting/python/samba/provision.py @@ -237,6 +237,7 @@ def provision_paths_from_lp(lp, dnsdomain): paths.templates = os.path.join(paths.private_dir, "templates.ldb") paths.dns = os.path.join(paths.private_dir, dnsdomain + ".zone") paths.namedconf = os.path.join(paths.private_dir, "named.conf") + paths.krb5conf = os.path.join(paths.private_dir, "krb5.conf") paths.winsdb = os.path.join(paths.private_dir, "wins.ldb") paths.s4_ldapi_path = os.path.join(paths.private_dir, "ldapi") paths.phpldapadminconfig = os.path.join(paths.private_dir, @@ -1059,16 +1060,23 @@ def provision(setup_dir, message, session_info, expression="(&(objectClass=computer)(cn=%s))" % names.hostname, scope=SCOPE_SUBTREE) assert isinstance(hostguid, str) - - create_zone_file(paths.dns, paths.namedconf, setup_path, samdb, - hostname=names.hostname, hostip=hostip, - hostip6=hostip6, dnsdomain=names.dnsdomain, - domaindn=names.domaindn, dnspass=dnspass, realm=names.realm, - domainguid=domainguid, hostguid=hostguid, - private_dir=paths.private_dir, keytab_name=paths.dns_keytab) + + create_zone_file(paths.dns, setup_path, dnsdomain=names.dnsdomain, + domaindn=names.domaindn, hostip=hostip, + hostip6=hostip6, hostname=names.hostname, + dnspass=dnspass, realm=names.realm, + domainguid=domainguid, hostguid=hostguid) message("Please install the zone located in %s into your DNS server" % paths.dns) - message("See %s if you want to use secure GSS-TSIG updates" % paths.namedconf) - + + create_named_conf(paths.namedconf, setup_path, realm=names.realm, + dnsdomain=names.dnsdomain, private_dir=paths.private_dir, + keytab_name=paths.dns_keytab) + message("See %s for example configuration statements for secure GSS-TSIG updates" % paths.namedconf) + + create_krb5_conf(paths.krb5conf, setup_path, dnsdomain=names.dnsdomain, + hostname=names.hostname, realm=names.realm) + message("A Kerberos configuration suitable for Samba 4 has been generated at %s" % paths.krb5conf) + create_phpldapadmin_config(paths.phpldapadminconfig, setup_path, ldapi_url) @@ -1284,19 +1292,12 @@ def create_phpldapadmin_config(path, setup_path, ldapi_uri): {"S4_LDAPI_URI": ldapi_uri}) -def create_zone_file(path_zone, path_conf, setup_path, samdb, dnsdomain, domaindn, - hostip, hostip6, hostname, dnspass, realm, domainguid, hostguid, - private_dir, keytab_name): +def create_zone_file(path, setup_path, dnsdomain, domaindn, + hostip, hostip6, hostname, dnspass, realm, domainguid, hostguid): """Write out a DNS zone file, from the info in the current database. - Also writes a file with stubs appropriate for a DNS configuration file - (including GSS-TSIG configuration), and details as to some of the other - configuration changes that may be necessary. - - :param path_zone: Path of the new zone file. - :param path_conf: Path of the config stubs file. + :param path: Path of the new zone file. :param setup_path: Setup path function. - :param samdb: SamDB object :param dnsdomain: DNS Domain name :param domaindn: DN of the Domain :param hostip: Local IPv4 IP @@ -1316,7 +1317,7 @@ def create_zone_file(path_zone, path_conf, setup_path, samdb, dnsdomain, domaind hostip6_base_line = " IN AAAA " + hostip6 hostip6_host_line = hostname + " IN AAAA " + hostip6 - setup_file(setup_path("provision.zone"), path_zone, { + setup_file(setup_path("provision.zone"), path, { "DNSPASS_B64": b64encode(dnspass), "HOSTNAME": hostname, "DNSDOMAIN": dnsdomain, @@ -1330,15 +1331,44 @@ def create_zone_file(path_zone, path_conf, setup_path, samdb, dnsdomain, domaind "HOSTIP6_HOST_LINE": hostip6_host_line, }) - setup_file(setup_path("named.conf"), path_conf, { +def create_named_conf(path, setup_path, realm, dnsdomain, + private_dir, keytab_name): + """Write out a file containing zone statements suitable for inclusion in a + named.conf file (including GSS-TSIG configuration). + + :param path: Path of the new named.conf file. + :param setup_path: Setup path function. + :param realm: Realm name + :param dnsdomain: DNS Domain name + :param private_dir: Path to private directory + :param keytab_name: File name of DNS keytab file + """ + + setup_file(setup_path("named.conf"), path, { "DNSDOMAIN": dnsdomain, "REALM": realm, "REALM_WC": "*." + ".".join(realm.split(".")[1:]), - "HOSTNAME": hostname, "DNS_KEYTAB": keytab_name, "DNS_KEYTAB_ABS": os.path.join(private_dir, keytab_name), }) +def create_krb5_conf(path, setup_path, dnsdomain, hostname, realm): + """Write out a file containing zone statements suitable for inclusion in a + named.conf file (including GSS-TSIG configuration). + + :param path: Path of the new named.conf file. + :param setup_path: Setup path function. + :param dnsdomain: DNS Domain name + :param hostname: Local hostname + :param realm: Realm name + """ + + setup_file(setup_path("krb5.conf"), path, { + "DNSDOMAIN": dnsdomain, + "HOSTNAME": hostname, + "REALM": realm, + }) + def load_schema(setup_path, samdb, schemadn, netbiosname, configdn, sitename): """Load schema for the SamDB. diff --git a/source4/setup/krb5.conf b/source4/setup/krb5.conf new file mode 100644 index 0000000000..7dad63de73 --- /dev/null +++ b/source4/setup/krb5.conf @@ -0,0 +1,17 @@ +[libdefaults] + default_realm = ${REALM} + dns_lookup_realm = false + dns_lookup_kdc = false + ticket_lifetime = 24h + forwardable = yes + +[realms] + ${REALM} = { + kdc = ${HOSTNAME}.${DNSDOMAIN}:88 + admin_server = ${HOSTNAME}.${DNSDOMAIN}:749 + default_domain = ${DNSDOMAIN} + } + +[domain_realm] + .${DNSDOMAIN} = ${REALM} + ${DNSDOMAIN} = ${REALM} diff --git a/source4/setup/named.conf b/source4/setup/named.conf index 9cf0b48a7c..4f98bbd914 100644 --- a/source4/setup/named.conf +++ b/source4/setup/named.conf @@ -66,20 +66,6 @@ zone "123.168.192.in-addr.arpa" in { tkey-gssapi-credential "DNS/${DNSDOMAIN}"; tkey-domain "${REALM}"; -# - Add settings for the ${REALM} realm to the Kerberos configuration on the DNS -# server. The easiest way is to add the following blocks to the appropriate -# sections in /etc/krb5.conf: -[realms] - ${REALM} = { - kdc = ${HOSTNAME}.${DNSDOMAIN}:88 - admin_server = ${HOSTNAME}.${DNSDOMAIN}:749 - default_domain = ${DNSDOMAIN} - } - -[domain_realm] - .${DNSDOMAIN} = ${REALM} - ${DNSDOMAIN} = ${REALM} - # - Modify BIND init scripts to pass the location of the generated keytab file. # Fedora 8 & later provide a variable named KEYTAB_FILE in /etc/sysconfig/named # for this purpose: -- cgit