Сабж. Я второй раз в жизни завёл оверлей smbk5pwd:
# date
Mon Aug 16 03:57:18 YEKST 2010
# ldapsearch -Y external -b cn=config "(olcOverlay=smbk5pwd)"
SASL/EXTERNAL authentication started
SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
SASL SSF: 0
# extended LDIF
#
# LDAPv3
# base <cn=config> with scope subtree
# filter: (olcOverlay=smbk5pwd)
# requesting: ALL
#
# {0}smbk5pwd, {1}hdb, config
dn: olcOverlay={0}smbk5pwd,olcDatabase={1}hdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcSmbK5PwdConfig
olcOverlay: {0}smbk5pwd
olcSmbK5PwdEnable: krb5
olcSmbK5PwdEnable: samba
olcSmbK5PwdMustChange: 0
# search result
search: 2
result: 0 Success
# numResponses: 2
# numEntries: 1