3 # backend code for upgrading from Samba3
4 # Copyright Jelmer Vernooij 2005-2007
5 # Released under the GNU GPL v3 or later
8 """Support code for upgrading from Samba 3 to Samba 4."""
10 __docformat__ = "restructuredText"
12 from provision import findnss, provision, FILL_DRS
20 from samba.samdb import SamDB
22 def import_sam_policy(samldb, samba3_policy, domaindn):
23 """Import a Samba 3 policy database."""
24 samldb.modify_ldif("""
33 samba3ResetCountMinutes: %d
34 samba3UserMustLogonToChangePassword: %d
35 samba3BadLockoutMinutes: %d
36 samba3DisconnectTime: %d
38 """ % (dn, policy.min_password_length,
39 policy.password_history, policy.minimum_password_age,
40 policy.maximum_password_age, policy.lockout_duration,
41 policy.reset_count_minutes, policy.user_must_logon_to_change_password,
42 policy.bad_lockout_minutes, policy.disconnect_time))
45 def import_sam_account(samldb,acc,domaindn,domainsid):
46 """Import a Samba 3 SAM account.
48 :param samldb: Samba 4 SAM Database handle
49 :param acc: Samba 3 account
50 :param domaindn: Domain DN
51 :param domainsid: Domain SID."""
52 if acc.nt_username is None or acc.nt_username == "":
53 acc.nt_username = acc.username
55 if acc.fullname is None:
57 acc.fullname = pwd.getpwnam(acc.username)[4].split(",")[0]
61 if acc.fullname is None:
62 acc.fullname = acc.username
64 assert acc.fullname is not None
65 assert acc.nt_username is not None
68 "dn": "cn=%s,%s" % (acc.fullname, domaindn),
69 "objectClass": ["top", "user"],
70 "lastLogon": str(acc.logon_time),
71 "lastLogoff": str(acc.logoff_time),
72 "unixName": acc.username,
73 "sAMAccountName": acc.nt_username,
74 "cn": acc.nt_username,
75 "description": acc.acct_desc,
76 "primaryGroupID": str(acc.group_rid),
77 "badPwdcount": str(acc.bad_password_count),
78 "logonCount": str(acc.logon_count),
79 "samba3Domain": acc.domain,
80 "samba3DirDrive": acc.dir_drive,
81 "samba3MungedDial": acc.munged_dial,
82 "samba3Homedir": acc.homedir,
83 "samba3LogonScript": acc.logon_script,
84 "samba3ProfilePath": acc.profile_path,
85 "samba3Workstations": acc.workstations,
86 "samba3KickOffTime": str(acc.kickoff_time),
87 "samba3BadPwdTime": str(acc.bad_password_time),
88 "samba3PassLastSetTime": str(acc.pass_last_set_time),
89 "samba3PassCanChangeTime": str(acc.pass_can_change_time),
90 "samba3PassMustChangeTime": str(acc.pass_must_change_time),
91 "objectSid": "%s-%d" % (domainsid, acc.user_rid),
92 "lmPwdHash:": acc.lm_password,
93 "ntPwdHash:": acc.nt_password,
97 def import_sam_group(samldb, sid, gid, sid_name_use, nt_name, comment, domaindn):
98 """Upgrade a SAM group.
100 :param samldb: SAM database.
101 :param gid: Group GID
102 :param sid_name_use: SID name use
103 :param nt_name: NT Group Name
104 :param comment: NT Group Comment
105 :param domaindn: Domain DN
108 if sid_name_use == 5: # Well-known group
111 if nt_name in ("Domain Guests", "Domain Users", "Domain Admins"):
115 gr = grp.getgrnam(nt_name)
117 gr = grp.getgrgid(gid)
122 unixname = gr.gr_name
124 assert unixname is not None
127 "dn": "cn=%s,%s" % (nt_name, domaindn),
128 "objectClass": ["top", "group"],
129 "description": comment,
132 "unixName": unixname,
133 "samba3SidNameUse": str(sid_name_use)
137 def import_idmap(samdb,samba3_idmap,domaindn):
138 """Import idmap data.
140 :param samdb: SamDB handle.
141 :param samba3_idmap: Samba 3 IDMAP database to import from
142 :param domaindn: Domain DN.
146 "userHwm": str(samba3_idmap.get_user_hwm()),
147 "groupHwm": str(samba3_idmap.get_group_hwm())})
149 for uid in samba3_idmap.uids():
150 samdb.add({"dn": "SID=%s,%s" % (samba3_idmap.get_user_sid(uid), domaindn),
151 "SID": samba3_idmap.get_user_sid(uid),
155 for gid in samba3_idmap.uids():
156 samdb.add({"dn": "SID=%s,%s" % (samba3_idmap.get_group_sid(gid), domaindn),
157 "SID": samba3_idmap.get_group_sid(gid),
162 def import_wins(samba4_winsdb, samba3_winsdb):
163 """Import settings from a Samba3 WINS database.
165 :param samba4_winsdb: WINS database to import to
166 :param samba3_winsdb: WINS database to import from
170 for (name, (ttl, ips, nb_flags)) in samba3_winsdb.items():
173 type = int(name.split("#", 1)[1], 16)
188 if ttl > time.time():
189 rState = 0x0 # active
191 rState = 0x1 # released
193 nType = ((nb_flags & 0x60)>>5)
195 samba4_winsdb.add({"dn": "name=%s,type=0x%s" % tuple(name.split("#")),
196 "type": name.split("#")[1],
197 "name": name.split("#")[0],
198 "objectClass": "winsRecord",
199 "recordType": str(rType),
200 "recordState": str(rState),
201 "nodeType": str(nType),
202 "expireTime": ldb.timestring(ttl),
204 "versionID": str(version_id),
207 samba4_winsdb.add({"dn": "cn=VERSION",
209 "objectClass": "winsMaxVersion",
210 "maxVersion": str(version_id)})
212 def upgrade_provision(samba3, setup_dir, message, credentials, session_info, smbconf, targetdir):
213 oldconf = samba3.get_conf()
215 if oldconf.get("domain logons") == "True":
216 serverrole = "domain controller"
218 if oldconf.get("security") == "user":
219 serverrole = "standalone"
221 serverrole = "member server"
223 domainname = oldconf.get("workgroup")
225 domainname = str(domainname)
226 realm = oldconf.get("realm")
227 netbiosname = oldconf.get("netbios name")
229 secrets_db = samba3.get_secrets_db()
231 if domainname is None:
232 domainname = secrets_db.domains()[0]
233 message("No domain specified in smb.conf file, assuming '%s'" % domainname)
236 realm = domainname.lower()
237 message("No realm specified in smb.conf file, assuming '%s'\n" % realm)
239 domainguid = secrets_db.get_domain_guid(domainname)
240 domainsid = secrets_db.get_sid(domainname)
241 if domainsid is None:
242 message("Can't find domain secrets for '%s'; using random SID\n" % domainname)
244 if netbiosname is not None:
245 machinepass = secrets_db.get_machine_password(netbiosname)
249 result = provision(setup_dir=setup_dir, message=message,
250 samdb_fill=FILL_DRS, smbconf=smbconf, session_info=session_info,
251 credentials=credentials, realm=realm,
252 domain=domainname, domainsid=domainsid, domainguid=domainguid,
253 machinepass=machinepass, serverrole=serverrole, targetdir=targetdir)
255 import_wins(Ldb(result.paths.winsdb), samba3.get_wins_db())
257 # FIXME: import_registry(registry.Registry(), samba3.get_registry())
259 # FIXME: import_idmap(samdb,samba3.get_idmap_db(),domaindn)
261 groupdb = samba3.get_groupmapping_db()
262 for sid in groupdb.groupsids():
263 (gid, sid_name_use, nt_name, comment) = groupdb.get_group(sid)
264 # FIXME: import_sam_group(samdb, sid, gid, sid_name_use, nt_name, comment, domaindn)
268 passdb = samba3.get_sam_db()
271 #FIXME: import_sam_account(result.samdb, user, domaindn, domainsid)
273 if hasattr(passdb, 'ldap_url'):
274 message("Enabling Samba3 LDAP mappings for SAM database")
276 enable_samba3sam(result.samdb, passdb.ldap_url)
279 def enable_samba3sam(samdb, ldapurl):
280 """Enable Samba 3 LDAP URL database.
282 :param samdb: SAM Database.
283 :param ldapurl: Samba 3 LDAP URL
285 samdb.modify_ldif("""
289 @LIST: samldb,operational,objectguid,rdn_name,samba3sam
292 samdb.add({"dn": "@MAP=samba3sam", "@MAP_URL": ldapurl})
309 "bind interfaces only",
314 "obey pam restrictions",
322 "client NTLMv2 auth",
323 "client lanman auth",
324 "client plaintext auth",
344 "name resolve order",
353 "paranoid server security",
389 def upgrade_smbconf(oldconf,mark):
390 """Remove configuration variables not present in Samba4
392 :param oldconf: Old configuration structure
393 :param mark: Whether removed configuration variables should be
394 kept in the new configuration as "samba3:<name>"
396 data = oldconf.data()
397 newconf = param_init()
402 for k in smbconf_keep:
403 if smbconf_keep[k] == p:
408 newconf.set(s, p, oldconf.get(s, p))
410 newconf.set(s, "samba3:"+p, oldconf.get(s,p))
414 SAMBA3_PREDEF_NAMES = {
415 'HKLM': registry.HKEY_LOCAL_MACHINE,
418 def import_registry(samba4_registry, samba3_regdb):
419 """Import a Samba 3 registry database into the Samba 4 registry.
421 :param samba4_registry: Samba 4 registry handle.
422 :param samba3_regdb: Samba 3 registry database handle.
424 def ensure_key_exists(keypath):
425 (predef_name, keypath) = keypath.split("/", 1)
426 predef_id = SAMBA3_PREDEF_NAMES[predef_name]
427 keypath = keypath.replace("/", "\\")
428 return samba4_registry.create_key(predef_id, keypath)
430 for key in samba3_regdb.keys():
431 key_handle = ensure_key_exists(key)
432 for subkey in samba3_regdb.subkeys(key):
433 ensure_key_exists(subkey)
434 for (value_name, (value_type, value_data)) in samba3_regdb.values(key).items():
435 key_handle.set_value(value_name, value_type, value_data)