"""Support code for upgrading from Samba 3 to Samba 4."""
-from provision import findnss
-import provision
+from provision import findnss, provision
import grp
import pwd
-from uuid import uuid4
-from param import default_configuration
-
-def regkey_to_dn(name):
- """Convert a registry key to a DN."""
- dn = "hive=NONE"
-
- for el in name.split("/")[1:]:
- dn = "key=%s," % el + dn
-
- return dn
+import uuid
+import registry
# Where prefix is any of:
# - HKLM
# HKPT
#
-def upgrade_registry(regdb,prefix,ldb):
- """Migrate registry contents."""
- assert regdb is not None:
- prefix_up = prefix.upper()
- ldif = []
-
- for rk in regdb.keys:
- pts = rk.name.split("/")
-
- # Only handle selected hive
- if pts[0].upper() != prefix_up:
- continue
-
- keydn = regkey_to_dn(rk.name)
-
- pts = rk.name.split("/")
-
- # Convert key name to dn
- ldif[rk.name] = """
-dn: %s
-name: %s
-
-""" % (keydn, pts[0])
-
- for rv in rk.values:
- ldif[rk.name + " (" + rv.name + ")"] = """
-dn: %s,value=%s
-value: %s
-type: %d
-data:: %s""" % (keydn, rv.name, rv.name, rv.type, ldb.encode(rv.data))
-
- return ldif
-
-def upgrade_sam_policy(samba3,dn):
- ldif = """
+def upgrade_sam_policy(policy,dn):
+ ldif = """
dn: %s
changetype: modify
replace: minPwdLength
samba3BadLockoutMinutes: %d
samba3DisconnectTime: %d
-""" % (dn, samba3.policy.min_password_length,
- samba3.policy.password_history, samba3.policy.minimum_password_age,
- samba3.policy.maximum_password_age, samba3.policy.lockout_duration,
- samba3.policy.reset_count_minutes, samba3.policy.user_must_logon_to_change_password,
- samba3.policy.bad_lockout_minutes, samba3.policy.disconnect_time)
-
- return ldif
+""" % (dn, policy.min_password_length,
+ policy.password_history, policy.minimum_password_age,
+ policy.maximum_password_age, policy.lockout_duration,
+ policy.reset_count_minutes, policy.user_must_logon_to_change_password,
+ policy.bad_lockout_minutes, policy.disconnect_time)
+
+ return ldif
def upgrade_sam_account(ldb,acc,domaindn,domainsid):
"""Upgrade a SAM account."""
if acc.nt_username is None or acc.nt_username == "":
- acc.nt_username = acc.username
+ acc.nt_username = acc.username
if acc.fullname is None:
- acc.fullname = pwd.getpwnam(acc.fullname)[4]
+ acc.fullname = pwd.getpwnam(acc.fullname)[4]
- acc.fullname = acc.fullname.split(",")[0]
+ acc.fullname = acc.fullname.split(",")[0]
if acc.fullname is None:
- acc.fullname = acc.username
-
- assert acc.fullname is not None
- assert acc.nt_username is not None
+ acc.fullname = acc.username
+
+ assert acc.fullname is not None
+ assert acc.nt_username is not None
- ldif = """dn: cn=%s,%s
+ ldif = """dn: cn=%s,%s
objectClass: top
objectClass: user
lastLogon: %d
acc.domain, acc.dir_drive, acc.munged_dial, acc.homedir, acc.logon_script,
acc.profile_path, acc.workstations, acc.kickoff_time, acc.bad_password_time,
acc.pass_last_set_time, acc.pass_can_change_time, acc.pass_must_change_time, domainsid, acc.user_rid,
- ldb.encode(acc.lm_pw), ldb.encode(acc.nt_pw))
+ ldb.encode(acc.lm_pw), ldb.encode(acc.nt_pw))
- return ldif
+ return ldif
def upgrade_sam_group(group,domaindn):
"""Upgrade a SAM group."""
- if group.sid_name_use == 5: # Well-known group
- return None
+ if group.sid_name_use == 5: # Well-known group
+ return None
if group.nt_name in ("Domain Guests", "Domain Users", "Domain Admins"):
- return None
-
+ return None
+
if group.gid == -1:
- gr = grp.getgrnam(grp.nt_name)
+ gr = grp.getgrnam(grp.nt_name)
else:
- gr = grp.getgrgid(grp.gid)
+ gr = grp.getgrgid(grp.gid)
if gr is None:
- group.unixname = "UNKNOWN"
+ group.unixname = "UNKNOWN"
else:
- group.unixname = gr.gr_name
+ group.unixname = gr.gr_name
- assert group.unixname is not None
-
- ldif = """dn: cn=%s,%s
+ assert group.unixname is not None
+
+ ldif = """dn: cn=%s,%s
objectClass: top
objectClass: group
description: %s
""" % (group.nt_name, domaindn,
group.comment, group.nt_name, group.sid, group.unixname, group.sid_name_use)
- return ldif
+ return ldif
-def upgrade_winbind(samba3,domaindn):
- ldif = """
-
-dn: dc=none
-userHwm: %d
-groupHwm: %d
+def import_idmap(samba4_idmap,samba3_idmap,domaindn):
+ samba4_idmap.add({
+ "dn": domaindn,
+ "userHwm": str(samba3_idmap.get_user_hwm()),
+ "groupHwm": str(samba3_idmap.get_group_hwm())})
-""" % (samba3.idmap.user_hwm, samba3.idmap.group_hwm)
+ for uid in samba3_idmap.uids():
+ samba4_idmap.add({"dn": "SID=%s,%s" % (samba3_idmap.get_user_sid(uid), domaindn),
+ "SID": samba3_idmap.get_user_sid(uid),
+ "type": "user",
+ "unixID": str(uid)})
- for m in samba3.idmap.mappings:
- ldif += """
-dn: SID=%s,%s
-SID: %s
-type: %d
-unixID: %d""" % (m.sid, domaindn, m.sid, m.type, m.unix_id)
-
- return ldif
+ for gid in samba3_idmap.uids():
+ samba4_idmap.add({"dn": "SID=%s,%s" % (samba3_idmap.get_group_sid(gid), domaindn),
+ "SID": samba3_idmap.get_group_sid(gid),
+ "type": "group",
+ "unixID": str(gid)})
-def upgrade_wins(samba3):
- """Upgrade the WINS database."""
- ldif = ""
- version_id = 0
- for e in samba3.winsentries:
- now = sys.nttime()
- ttl = sys.unix2nttime(e.ttl)
+def import_wins(samba4_winsdb, samba3_winsdb):
+ """Import settings from a Samba3 WINS database."""
+ version_id = 0
+ import time
- version_id+=1
+ for (name, (ttl, ips, nb_flags)) in samba3_winsdb.items():
+ version_id+=1
numIPs = len(e.ips)
- if e.type == 0x1C:
- rType = 0x2
- elif e.type & 0x80:
- if numIPs > 1:
- rType = 0x2
+ type = int(name.split("#", 1)[1], 16)
+
+ if type == 0x1C:
+ rType = 0x2
+ elif type & 0x80:
+ if len(ips) > 1:
+ rType = 0x2
else:
- rType = 0x1
+ rType = 0x1
else:
- if numIPs > 1:
- rType = 0x3
+ if len(ips) > 1:
+ rType = 0x3
else:
- rType = 0x0
+ rType = 0x0
- if ttl > now:
- rState = 0x0 # active
+ if ttl > time.time():
+ rState = 0x0 # active
else:
- rState = 0x1 # released
-
- nType = ((e.nb_flags & 0x60)>>5)
-
- ldif += """
-dn: name=%s,type=0x%02X
-type: 0x%02X
-name: %s
-objectClass: winsRecord
-recordType: %u
-recordState: %u
-nodeType: %u
-isStatic: 0
-expireTime: %s
-versionID: %llu
-""" % (e.name, e.type, e.type, e.name,
- rType, rState, nType,
- ldaptime(ttl), version_id)
-
- for ip in e.ips:
- ldif += "address: %s\n" % ip
-
- ldif += """
-dn: CN=VERSION
-objectClass: winsMaxVersion
-maxVersion: %llu
-""" % version_id
-
- return ldif
-
-def upgrade_provision(lp, samba3):
- subobj = Object()
-
- domainname = samba3.configuration.get("workgroup")
-
- if domainname is None:
- domainname = samba3.secrets.domains[0].name
- print "No domain specified in smb.conf file, assuming '%s'\n" % domainname
-
- domsec = samba3.find_domainsecrets(domainname)
- hostsec = samba3.find_domainsecrets(hostname())
- realm = samba3.configuration.get("realm")
+ rState = 0x1 # released
- if realm is None:
- realm = domainname
- print "No realm specified in smb.conf file, assuming '%s'\n" % realm
- random_init(local)
-
- subobj.realm = realm
- subobj.domain = domainname
- subobj.hostname = hostname()
-
- assert subobj.realm is not None
- assert subobj.domain is not None
- assert subobj.hostname is not None
-
- subobj.HOSTIP = hostip()
- if domsec is not None:
- subobj.DOMAINGUID = domsec.guid
- subobj.DOMAINSID = domsec.sid
+ nType = ((nb_flags & 0x60)>>5)
+
+ samba4_winsdb.add({"dn": "name=%s,type=0x%s" % name.split("#"),
+ "type": name.split("#")[1],
+ "name": name.split("#")[0],
+ "objectClass": "winsRecord",
+ "recordType": str(rType),
+ "recordState": str(rState),
+ "nodeType": str(nType),
+ "expireTime": ldb.ldaptime(ttl),
+ "isStatic": "0",
+ "versionID": str(version_id),
+ "address": ips})
+
+ samba4_winsdb.add({"dn": "CN=VERSION",
+ "objectClass": "winsMaxVersion",
+ "maxVersion": str(version_id)})
+
+def upgrade_provision(samba3, setup_dir, message, credentials, session_info, lp, paths):
+ oldconf = samba3.get_conf()
+
+ if oldconf.get("domain logons") == "True":
+ serverrole = "domain controller"
else:
- print "Can't find domain secrets for '%s'; using random SID and GUID\n" % domainname
- subobj.DOMAINGUID = uuid4()
- subobj.DOMAINSID = randsid()
-
- if hostsec:
- subobj.HOSTGUID = hostsec.guid
+ if oldconf.get("security") == "user":
+ serverrole = "standalone"
+ else:
+ serverrole = "member server"
+
+ lp.set("server role", serverrole)
+ domainname = oldconf.get("workgroup")
+ if domainname:
+ domainname = str(domainname)
+ lp.set("workgroup", domainname)
+ realm = oldconf.get("realm")
+ netbiosname = oldconf.get("netbios name")
+
+ secrets_db = samba3.get_secrets_db()
+
+ if domainname is None:
+ domainname = secrets_db.domains()[0]
+ message("No domain specified in smb.conf file, assuming '%s'" % domainname)
+
+ if realm is None:
+ realm = domainname.lower()
+ message("No realm specified in smb.conf file, assuming '%s'\n" % realm)
+ lp.set("realm", realm)
+
+ domainguid = secrets_db.get_domain_guid(domainname)
+ domainsid = secrets_db.get_sid(domainname)
+ if domainsid is None:
+ message("Can't find domain secrets for '%s'; using random SID\n" % domainname)
+
+ if netbiosname is not None:
+ machinepass = secrets_db.get_machine_password(netbiosname)
else:
- subobj.HOSTGUID = uuid4()
- subobj.invocationid = uuid4()
- subobj.krbtgtpass = randpass(12)
- subobj.machinepass = randpass(12)
- subobj.adminpass = randpass(12)
- subobj.datestring = datestring()
- subobj.root = findnss(pwd.getpwnam, "root")[4]
- subobj.nobody = findnss(pwd.getpwnam, "nobody")[4]
- subobj.nogroup = findnss(grp.getgrnam, "nogroup", "nobody")[2]
- subobj.wheel = findnss(grp.getgrnam, "wheel", "root")[2]
- subobj.users = findnss(grp.getgrnam, "users", "guest", "other")[2]
- subobj.dnsdomain = subobj.realm.lower()
- subobj.dnsname = "%s.%s" % (subobj.hostname.lower(), subobj.dnsdomain)
- subobj.basedn = "DC=" + ",DC=".join(subobj.realm.split("."))
- rdn_list = subobj.dnsdomain.split(".")
- subobj.domaindn = "DC=" + ",DC=".join(rdn_list)
- subobj.domaindn_ldb = "users.ldb"
- subobj.rootdn = subobj.domaindn
-
- modules_list = ["rootdse",
- "kludge_acl",
- "paged_results",
- "server_sort",
- "extended_dn",
- "asq",
- "samldb",
- "password_hash",
- "operational",
- "objectclass",
- "rdn_name",
- "show_deleted",
- "partition"]
- subobj.modules_list = ",".join(modules_list)
-
- return subobj
+ machinepass = None
+
+ provision(lp=lp, setup_dir=setup_dir, message=message, blank=True, ldapbackend=None, paths=paths, session_info=session_info,
+ credentials=credentials, realm=realm, domain=domainname,
+ domainsid=domainsid, domainguid=domainguid, machinepass=machinepass, serverrole=serverrole)
smbconf_keep = [
- "dos charset",
- "unix charset",
- "display charset",
- "comment",
- "path",
- "directory",
- "workgroup",
- "realm",
- "netbios name",
- "netbios aliases",
- "netbios scope",
- "server string",
- "interfaces",
- "bind interfaces only",
- "security",
- "auth methods",
- "encrypt passwords",
- "null passwords",
- "obey pam restrictions",
- "password server",
- "smb passwd file",
- "private dir",
- "passwd chat",
- "password level",
- "lanman auth",
- "ntlm auth",
- "client NTLMv2 auth",
- "client lanman auth",
- "client plaintext auth",
- "read only",
- "hosts allow",
- "hosts deny",
- "log level",
- "debuglevel",
- "log file",
- "smb ports",
- "large readwrite",
- "max protocol",
- "min protocol",
- "unicode",
- "read raw",
- "write raw",
- "disable netbios",
- "nt status support",
- "announce version",
- "announce as",
- "max mux",
- "max xmit",
- "name resolve order",
- "max wins ttl",
- "min wins ttl",
- "time server",
- "unix extensions",
- "use spnego",
- "server signing",
- "client signing",
- "max connections",
- "paranoid server security",
- "socket options",
- "strict sync",
- "max print jobs",
- "printable",
- "print ok",
- "printer name",
- "printer",
- "map system",
- "map hidden",
- "map archive",
- "preferred master",
- "prefered master",
- "local master",
- "browseable",
- "browsable",
- "wins server",
- "wins support",
- "csc policy",
- "strict locking",
- "preload",
- "auto services",
- "lock dir",
- "lock directory",
- "pid directory",
- "socket address",
- "copy",
- "include",
- "available",
- "volume",
- "fstype",
- "panic action",
- "msdfs root",
- "host msdfs",
- "winbind separator"]
+ "dos charset",
+ "unix charset",
+ "display charset",
+ "comment",
+ "path",
+ "directory",
+ "workgroup",
+ "realm",
+ "netbios name",
+ "netbios aliases",
+ "netbios scope",
+ "server string",
+ "interfaces",
+ "bind interfaces only",
+ "security",
+ "auth methods",
+ "encrypt passwords",
+ "null passwords",
+ "obey pam restrictions",
+ "password server",
+ "smb passwd file",
+ "private dir",
+ "passwd chat",
+ "password level",
+ "lanman auth",
+ "ntlm auth",
+ "client NTLMv2 auth",
+ "client lanman auth",
+ "client plaintext auth",
+ "read only",
+ "hosts allow",
+ "hosts deny",
+ "log level",
+ "debuglevel",
+ "log file",
+ "smb ports",
+ "large readwrite",
+ "max protocol",
+ "min protocol",
+ "unicode",
+ "read raw",
+ "write raw",
+ "disable netbios",
+ "nt status support",
+ "announce version",
+ "announce as",
+ "max mux",
+ "max xmit",
+ "name resolve order",
+ "max wins ttl",
+ "min wins ttl",
+ "time server",
+ "unix extensions",
+ "use spnego",
+ "server signing",
+ "client signing",
+ "max connections",
+ "paranoid server security",
+ "socket options",
+ "strict sync",
+ "max print jobs",
+ "printable",
+ "print ok",
+ "printer name",
+ "printer",
+ "map system",
+ "map hidden",
+ "map archive",
+ "preferred master",
+ "prefered master",
+ "local master",
+ "browseable",
+ "browsable",
+ "wins server",
+ "wins support",
+ "csc policy",
+ "strict locking",
+ "preload",
+ "auto services",
+ "lock dir",
+ "lock directory",
+ "pid directory",
+ "socket address",
+ "copy",
+ "include",
+ "available",
+ "volume",
+ "fstype",
+ "panic action",
+ "msdfs root",
+ "host msdfs",
+ "winbind separator"]
-#
-# Remove configuration variables not present in Samba4
-# oldconf: Old configuration structure
-# mark: Whether removed configuration variables should be
-# kept in the new configuration as "samba3:<name>"
def upgrade_smbconf(oldconf,mark):
- data = oldconf.data()
- newconf = param_init()
-
- for (s in data) {
- for (p in data[s]) {
- keep = False
- for (k in smbconf_keep) {
+ """Remove configuration variables not present in Samba4
+
+ :param oldconf: Old configuration structure
+ :param mark: Whether removed configuration variables should be
+ kept in the new configuration as "samba3:<name>"
+ """
+ data = oldconf.data()
+ newconf = param_init()
+
+ for s in data:
+ for p in data[s]:
+ keep = False
+ for k in smbconf_keep:
if smbconf_keep[k] == p:
- keep = True
- break
- }
+ keep = True
+ break
if keep:
- newconf.set(s, p, oldconf.get(s, p))
+ newconf.set(s, p, oldconf.get(s, p))
elif mark:
- newconf.set(s, "samba3:"+p, oldconf.get(s,p))
- }
- }
+ newconf.set(s, "samba3:"+p, oldconf.get(s,p))
- if oldconf.get("domain logons") == "True":
- newconf.set("server role", "domain controller")
- else:
- if oldconf.get("security") == "user":
- newconf.set("server role", "standalone")
- else:
- newconf.set("server role", "member server")
+ return newconf
+
+SAMBA3_PREDEF_NAMES = {
+ 'HKLM': registry.HKEY_LOCAL_MACHINE,
+}
+
+def import_registry(samba4_registry, samba3_regdb):
+ """Import a Samba 3 registry database into the Samba 4 registry.
+
+ :param samba4_registry: Samba 4 registry handle.
+ :param samba3_regdb: Samba 3 registry database handle.
+ """
+ def ensure_key_exists(keypath):
+ (predef_name, keypath) = keypath.split("/", 1)
+ predef_id = SAMBA3_PREDEF_NAMES[predef_name]
+ keypath = keypath.replace("/", "\\")
+ return samba4_registry.create_key(predef_id, keypath)
+
+ for key in samba3_regdb.keys():
+ key_handle = ensure_key_exists(key)
+ for subkey in samba3_regdb.subkeys(key):
+ ensure_key_exists(subkey)
+ for (value_name, (value_type, value_data)) in samba3_regdb.values(key).items():
+ key_handle.set_value(value_name, value_type, value_data)
- return newconf
def upgrade(subobj, samba3, message, paths, session_info, credentials):
- ret = 0
- lp = loadparm_init()
- samdb = Ldb(paths.samdb, session_info=session_info, credentials=credentials)
+ ret = 0
+ samdb = Ldb(paths.samdb, session_info=session_info, credentials=credentials)
- message("Writing configuration")
- newconf = upgrade_smbconf(samba3.configuration,True)
- newconf.save(paths.smbconf)
+ message("Writing configuration")
+ newconf = upgrade_smbconf(samba3.configuration,True)
+ newconf.save(paths.smbconf)
- message("Importing account policies")
- ldif = upgrade_sam_policy(samba3,subobj.BASEDN)
- samdb.modify(ldif)
- regdb = Ldb(paths.hklm)
+ message("Importing account policies")
+ samdb.modify_ldif(upgrade_sam_policy(samba3,subobj.BASEDN))
+ regdb = Ldb(paths.hklm)
- regdb.modify("
+ regdb.modify("""
dn: value=RefusePasswordChange,key=Parameters,key=Netlogon,key=Services,key=CurrentControlSet,key=System,HIVE=NONE
replace: type
type: 4
replace: data
data: %d
-" % samba3.policy.refuse_machine_password_change)
+""" % policy.refuse_machine_password_change)
- message("Importing users")
+ message("Importing users")
for account in samba3.samaccounts:
- msg = "... " + account.username
- ldif = upgrade_sam_account(samdb, accounts,subobj.BASEDN,subobj.DOMAINSID)
+ msg = "... " + account.username
+ ldif = upgrade_sam_account(samdb, accounts,subobj.BASEDN,subobj.DOMAINSID)
try:
samdb.add(ldif)
except LdbError, e:
# FIXME: Ignore 'Record exists' errors
- msg += "... error: " + str(e)
- ret += 1;
- message(msg)
+ msg += "... error: " + str(e)
+ ret += 1;
+ message(msg)
- message("Importing groups")
+ message("Importing groups")
for mapping in samba3.groupmappings:
- msg = "... " + mapping.nt_name
- ldif = upgrade_sam_group(mapping, subobj.BASEDN)
+ msg = "... " + mapping.nt_name
+ ldif = upgrade_sam_group(mapping, subobj.BASEDN)
if ldif is not None:
try:
- samdb.add(ldif)
+ samdb.add(ldif)
except LdbError, e:
# FIXME: Ignore 'Record exists' errors
- msg += "... error: " + str(e)
- ret += 1
- message(msg)
-
- message("Importing registry data")
- for hive in ["hkcr","hkcu","hklm","hkpd","hku","hkpt"]:
- message("... " + hive)
- regdb = Ldb(paths[hive])
- ldif = upgrade_registry(samba3.registry, hive, regdb)
- for (var j in ldif) {
- var msg = "... ... " + j
- try:
- regdb.add(ldif[j])
- except LdbError, e:
- # FIXME: Ignore 'Record exists' errors
- msg += "... error: " + str(e)
- ret += 1
- message(msg)
+ msg += "... error: " + str(e)
+ ret += 1
+ message(msg)
- message("Importing WINS data")
- winsdb = Ldb(paths.winsdb)
- ldb_erase(winsdb)
+ message("Importing WINS data")
+ winsdb = Ldb(paths.winsdb)
+ ldb_erase(winsdb)
- ldif = upgrade_wins(samba3)
- winsdb.add(ldif)
+ ldif = upgrade_wins(samba3)
+ winsdb.add(ldif)
- # figure out ldapurl, if applicable
- ldapurl = None
- pdb = samba3.configuration.get_list("passdb backend")
+ # figure out ldapurl, if applicable
+ ldapurl = None
+ pdb = samba3.configuration.get_list("passdb backend")
if pdb is not None:
for backend in pdb:
if len(backend) >= 7 and backend[0:7] == "ldapsam":
ldapurl = backend[7:]
- # URL was not specified in passdb backend but ldap /is/ used
+ # URL was not specified in passdb backend but ldap /is/ used
if ldapurl == "":
- ldapurl = "ldap://%s" % samba3.configuration.get("ldap server")
+ ldapurl = "ldap://%s" % samba3.configuration.get("ldap server")
- # Enable samba3sam module if original passdb backend was ldap
+ # Enable samba3sam module if original passdb backend was ldap
if ldapurl is not None:
- message("Enabling Samba3 LDAP mappings for SAM database")
+ message("Enabling Samba3 LDAP mappings for SAM database")
+
+ enable_samba3sam(samdb)
+
+ return ret
+
- samdb.modify("""
+def enable_samba3sam(samdb):
+ samdb.modify("""
dn: @MODULES
changetype: modify
replace: @LIST
@LIST: samldb,operational,objectguid,rdn_name,samba3sam
""")
- samdb.add("""
-dn: @MAP=samba3sam
-@MAP_URL: %s""", ldapurl))
-
- return ret
-
-def upgrade_verify(subobj, samba3, paths, message):
- message("Verifying account policies")
-
- samldb = Ldb(paths.samdb)
-
- for account in samba3.samaccounts:
- msg = samldb.search("(&(sAMAccountName=" + account.nt_username + ")(objectclass=user))")
- assert(len(msg) >= 1)
-
- # FIXME
+ samdb.add({"dn": "@MAP=samba3sam", "@MAP_URL": ldapurl})