Ensure Postfix's LDAP searchBase exists when doing a lookup.

Postfix interprets Error Code 32 (No Such Object) as lookup failures,
but that's ugly...

Also, make Postfix simple bind against
cn=postfix,ou=services,dc=fripost,dc=org.

2 files changed, 21 insertions, 12 deletions

diff --git a/roles/common-LDAP/templates/etc/default/slapd.j2 b/roles/common-LDAP/templates/etc/default/slapd.j2
index f652f9a..80c1be1 100644
--- a/roles/common-LDAP/templates/etc/default/slapd.j2
+++ b/roles/common-LDAP/templates/etc/default/slapd.j2
@@ -3,41 +3,41 @@
 # /etc/ldap/slapd.conf).
 SLAPD_CONF=
 
 # System account to run the slapd server under. If empty the server
 # will run as root.
 SLAPD_USER="openldap"
 
 # System group to run the slapd server under. If empty the server will
 # run in the primary group of its user.
 SLAPD_GROUP="openldap"
 
 # Path to the pid file of the slapd server. If not set the init.d script
 # will try to figure it out from $SLAPD_CONF (/etc/ldap/slapd.conf by
 # default)
 SLAPD_PIDFILE=
 
 # slapd normally serves ldap only on all TCP-ports 389. slapd can also
 # service requests on TCP-port 636 (ldaps) and requests via unix
 # sockets.
 SLAPD_SERVICES="ldapi:///"
-{% for i in ['IMAP','MX','lists'] | intersect(group_names) | sort %}
+{% for i in group_names | intersect(['MX','lists']) | sort %}
 SLAPD_SERVICES="$SLAPD_SERVICES ldapi://%2Fvar%2Fspool%2Fpostfix-{{ postfix_instance[i].name }}%2Fprivate%2Fldapi/"
 {% endfor %}
 {% if 'LDAP-provider' in group_names %}
 SLAPD_SERVICES="$SLAPD_SERVICES ldaps:///"
 {% endif %}
 
 # If SLAPD_NO_START is set, the init script will not start or restart
 # slapd (but stop will still work).  Uncomment this if you are
 # starting slapd via some other means or if you don't want slapd normally
 # started at boot.
 #SLAPD_NO_START=1
 
 # If SLAPD_SENTINEL_FILE is set to path to a file and that file exists,
 # the init script will not start or restart slapd (but stop will still
 # work).  Use this for temporarily disabling startup of slapd (when doing
 # maintenance, for example, or through a configuration management system)
 # when you don't want to edit a configuration file.
 SLAPD_SENTINEL_FILE=/etc/ldap/noslapd
 
 # For Kerberos authentication (via SASL), slapd by default uses the system
diff --git a/roles/common-LDAP/templates/etc/ldap/database.ldif.j2 b/roles/common-LDAP/templates/etc/ldap/database.ldif.j2
index d3915df..4c45219 100644
--- a/roles/common-LDAP/templates/etc/ldap/database.ldif.j2
+++ b/roles/common-LDAP/templates/etc/ldap/database.ldif.j2
@@ -247,50 +247,56 @@ olcAccess: to dn.subtree="dc=fripost,dc=org"
 # Base
 #
 # * Only SyncRepl replicates may access operational attributes in the
 #   subtree, when using a TLS-protected connection.
 {% if 'LDAP-provider' in group_names -%}
 olcAccess: to dn.subtree="ou=virtual,dc=fripost,dc=org"
         attrs=entryDN,entryCSN,entryUUID,structuralObjectClass,hasSubordinates,subschemaSubentry
     by dn.onelevel="ou=syncRepl,dc=fripost,dc=org" tls_ssf=128 =rsd
     by *                                                       =0
 #
 # * They may also read entries (ie, the attributes they have access to
 #   as per the ACL below) in that subtree, when using a TLS-protected
 #   connection.  Listing entries (their DN) is required to replicate
 #   deletions properly.
 olcAccess: to dn.subtree="ou=virtual,dc=fripost,dc=org"
         attrs=entry,objectClass
     by dn.onelevel="ou=syncRepl,dc=fripost,dc=org" tls_ssf=128 =rsd
     by users                                                   =0   break
 {% endif -%}
 #
-# * Dovecot may use the base as a searchBase on the MDA (for the iterate
-#   filter), when SASL-binding using the EXTERNAL mechanism and
-#   connecting to a local ldapi:// socket.
-{% if 'MDA' in group_names -%}
+# * Postfix may use the base as a searchBase on the MX:es, when
+#   connecting a local ldapi:// socket from the 'private' directory in
+#   one of the non-default instance's chroot.
+# * So may Dovecot on the MDA (needed for the iterate filter), when
+#   SASL-binding using the EXTERNAL mechanism and connecting to a local
+#   ldapi:// socket.
 olcAccess: to dn.exact="ou=virtual,dc=fripost,dc=org"
         attrs=entry,objectClass
         filter=(objectClass=FripostVirtual)
-    by dn.exact="username=dovecot,cn=peercred,cn=external,cn=auth" sockurl.regex="^ldapi://" =sd
-    by users                                                                                 =0 break
-{% endif -%}
+    {% if 'MDA' in group_names -%}
+    by dn.exact="username=dovecot,cn=peercred,cn=external,cn=auth" sockurl.regex="^ldapi://"                                            =sd
+    {% endif -%}
+    {% if 'MX' in group_names -%}
+    by dn.exact="cn=postfix,ou=services,dc=fripost,dc=org" sockurl.regex="^ldapi://%2Fvar%2Fspool%2Fpostfix-[-[:alnum:]]+%2Fprivate%2F" =sd
+    {% endif -%}
+    by users                                                                                                                            =0 break
 #
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 # Domain entries
 #
 # * The SyncRepl replicates have read access to the entry itself, when
 #   using a TLS-protected connection.
 # * So has Postfix, when connecting a local ldapi:// socket from the
 #   'private' directory in one of the non-default instance's chroot.
 # * So has Dovecot on the MDA (for the iterate filter), when
 #   SASL-binding using the EXTERNAL mechanism and connecting to a local
 #   ldapi:// socket.
 # * Amavis may use the entry as searchBase (required to look for the
 #   per-user preferences) but doesn't have read access to the entry.
 # * The 'nobody' UNIX user has read access on the MX:es, when using
 #   SASL-binding using the EXTERNAL mechanism and connecting to a local
 #   ldapi:// socket.  This is required for the 'reserved-alias.pl'
 #   script.
 olcAccess: to dn.regex="^fvd=[^,]+,ou=virtual,dc=fripost,dc=org$"
         attrs=entry,objectClass,fvd
         filter=(&(objectClass=FripostVirtualDomain)(!(objectClass=FripostPendingEntry)))
@@ -318,47 +324,50 @@ olcAccess: to dn.regex="^fvd=[^,]+,ou=virtual,dc=fripost,dc=org$"
 # * So can Postfix on the MX:es, when connecting a local ldapi:// socket
 #   from the 'private' directory in one of the non-default instance's
 #   chroot.
 {% if 'MX' in group_names or ('LDAP-provider' in group_names and groups.MX | difference([inventory_hostname])) %}
 olcAccess: to dn.regex="^fvd=[^,]+,ou=virtual,dc=fripost,dc=org$"
         attrs=fripostIsStatusActive,fripostOptionalMaildrop
         filter=(&(objectClass=FripostVirtualDomain)(!(objectClass=FripostPendingEntry)))
     {% if 'LDAP-provider' in group_names and groups.MX | difference([inventory_hostname]) -%}
     by dn.exact="cn=mX,ou=syncRepl,dc=fripost,dc=org"      tls_ssf=128                                                                  =rsd
     {% endif -%}
     {% if 'MX' in group_names -%}
     by dn.exact="cn=postfix,ou=services,dc=fripost,dc=org" sockurl.regex="^ldapi://%2Fvar%2Fspool%2Fpostfix-[-[:alnum:]]+%2Fprivate%2F" =rsd
     {% endif -%}
     by users                                                                                                                            =0 break
 {% endif %}
 #
 # * The 'nobody' UNIX user can list the domain owners and postmasters on
 #   the MX:es, when SASL-binding using the EXTERNAL mechanism and
 #   connecting to a local ldapi:// socket.  This is required for the
 #   'reserved-alias.pl' script.
-{% if 'MX' in group_names %}
 olcAccess: to dn.regex="^fvd=[^,]+,ou=virtual,dc=fripost,dc=org$"
         attrs=fripostOwner,fripostPostmaster
         filter=(&(objectClass=FripostVirtualDomain)(!(objectClass=FripostPendingEntry)))
-    by dn.exact="username=nobody,cn=peercred,cn=external,cn=auth" sockurl.regex="^ldapi://" =rsd
-    by users                                                                                =0 break
-{% endif %}
+    {% if 'LDAP-provider' in group_names and groups.MX | difference([inventory_hostname]) -%}
+    by dn.exact="cn=mX,ou=syncRepl,dc=fripost,dc=org"                                       tls_ssf=128   =rsd
+    {% endif -%}
+    {% if 'MX' in group_names %}
+    by dn.exact="username=nobody,cn=peercred,cn=external,cn=auth" sockurl.regex="^ldapi://"               =rsd
+    {% endif -%}
+    by users                                                                                              =0 break
 #
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 # Alias domain entries
 #
 # * The SyncRepl MX replicates have read access to the entry itself and
 #   the destination domain it aliases to, when using a TLS-protected
 #   connection.
 # * So has Postfix on the MX:es, when connecting a local ldapi:// socket
 #   from the 'private' directory in one of the non-default instance's
 #   chroot.
 {% if 'MX' in group_names or ('LDAP-provider' in group_names and groups.MX | difference([inventory_hostname])) %}
 olcAccess: to dn.regex="^fvd=[^,]+,ou=virtual,dc=fripost,dc=org$"
         attrs=entry,fripostMaildrop
         filter=(&(objectClass=FripostVirtualAliasDomain)(!(objectClass=FripostPendingEntry)))
     {% if 'LDAP-provider' in group_names and groups.MX | difference([inventory_hostname]) -%}
     by dn.exact="cn=mX,ou=syncRepl,dc=fripost,dc=org"      tls_ssf=128                                                                  =rsd
     {% endif -%}
     {% if 'MX' in group_names -%}
     by dn.exact="cn=postfix,ou=services,dc=fripost,dc=org" sockurl.regex="^ldapi://%2Fvar%2Fspool%2Fpostfix-[-[:alnum:]]+%2Fprivate%2F" =rsd
     {% endif -%}