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provision: Set up id mappings in the idmap db, only map Administrator.
(This used to be commit 206b7d387c)
This commit is contained in:
Kai Blin
73
source4/scripting/python/samba/idmap.py
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73
source4/scripting/python/samba/idmap.py
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@ -0,0 +1,73 @@
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#!/usr/bin/python
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# Unix SMB/CIFS implementation.
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# Copyright (C) 2008 Kai Blin <kai@samba.org>
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""Convenience functions for using the idmap database."""
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import samba
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import ldb
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class IDmapDB(samba.Ldb):
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"""The IDmap database."""
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# Mappings for ID_TYPE_UID, ID_TYPE_GID and ID_TYPE_BOTH
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TYPE_UID = 1
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TYPE_GID = 2
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TYPE_BOTH = 3
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def __init__(self, url=None, session_info=None, credentials=None,
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modules_dir=None, lp=None):
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"""Open the IDmap Database.
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:param url: URL of the database.
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"""
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super(IDmapDB, self).__init__(session_info=session_info, credentials=credentials,
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modules_dir=modules_dir, lp=lp)
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if url:
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self.connect(url)
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def setup_name_mapping(self, sid, type, unixid):
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"""Setup a mapping between a sam name and a unix name.
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:param sid: SID of the NT-side of the mapping.
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:param unixname: Unix name to map to.
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"""
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type_string = ""
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if type == self.TYPE_UID:
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type_string = "ID_TYPE_UID"
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elif type == self.TYPE_GID:
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type_string = "ID_TYPE_GID"
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elif type == self.TYPE_BOTH:
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type_string = "ID_TYPE_BOTH"
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else:
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return
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mod = """
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dn: CN=%s
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xidNumber: %s
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objectSid: %s
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objectClass: sidMap
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type: %s
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cn: %s
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""" % (sid, unixid, sid, type_string, sid)
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self.add(self.parse_ldif(mod).next()[1])
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@ -35,6 +35,7 @@ import samba
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from auth import system_session
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from samba import Ldb, substitute_var, valid_netbios_name, check_all_substituted
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from samba.samdb import SamDB
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from samba.idmap import IDmapDB
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import security
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import urllib
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from ldb import SCOPE_SUBTREE, SCOPE_ONELEVEL, SCOPE_BASE, LdbError, \
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@ -397,45 +398,32 @@ def load_or_make_smbconf(smbconf, setup_path, hostname, domain, realm, serverrol
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return lp
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def setup_name_mappings(ldb, sid, domaindn, root, nobody, nogroup, users,
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wheel, backup):
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def setup_name_mappings(samdb, idmap, sid, domaindn, root_uid, nobody_uid,
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users_gid, wheel_gid, backup_gid):
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"""setup reasonable name mappings for sam names to unix names.
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:param ldb: SamDB object.
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:param samdb: SamDB object.
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:param idmap: IDmap db object.
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:param sid: The domain sid.
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:param domaindn: The domain DN.
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:param root: Name of the UNIX root user.
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:param nobody: Name of the UNIX nobody user.
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:param nogroup: Name of the unix nobody group.
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:param users: Name of the unix users group.
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:param wheel: Name of the wheel group (users that can become root).
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:param backup: Name of the backup group."""
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:param root_uid: uid of the UNIX root user.
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:param nobody_uid: uid of the UNIX nobody user.
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:param users_gid: gid of the UNIX users group.
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:param wheel_gid: gid of the UNIX wheel group.
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:param backup_gid: gid of the UNIX backup group."""
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# add some foreign sids if they are not present already
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ldb.add_foreign(domaindn, "S-1-5-7", "Anonymous")
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ldb.add_foreign(domaindn, "S-1-1-0", "World")
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ldb.add_foreign(domaindn, "S-1-5-2", "Network")
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ldb.add_foreign(domaindn, "S-1-5-18", "System")
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ldb.add_foreign(domaindn, "S-1-5-11", "Authenticated Users")
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samdb.add_foreign(domaindn, "S-1-5-7", "Anonymous")
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samdb.add_foreign(domaindn, "S-1-1-0", "World")
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samdb.add_foreign(domaindn, "S-1-5-2", "Network")
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samdb.add_foreign(domaindn, "S-1-5-18", "System")
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samdb.add_foreign(domaindn, "S-1-5-11", "Authenticated Users")
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# some well known sids
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ldb.setup_name_mapping(domaindn, "S-1-5-7", nobody)
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ldb.setup_name_mapping(domaindn, "S-1-1-0", nogroup)
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ldb.setup_name_mapping(domaindn, "S-1-5-2", nogroup)
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ldb.setup_name_mapping(domaindn, "S-1-5-18", root)
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ldb.setup_name_mapping(domaindn, "S-1-5-11", users)
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ldb.setup_name_mapping(domaindn, "S-1-5-32-544", wheel)
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ldb.setup_name_mapping(domaindn, "S-1-5-32-545", users)
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ldb.setup_name_mapping(domaindn, "S-1-5-32-546", nogroup)
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ldb.setup_name_mapping(domaindn, "S-1-5-32-551", backup)
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# and some well known domain rids
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ldb.setup_name_mapping(domaindn, sid + "-500", root)
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ldb.setup_name_mapping(domaindn, sid + "-518", wheel)
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ldb.setup_name_mapping(domaindn, sid + "-519", wheel)
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ldb.setup_name_mapping(domaindn, sid + "-512", wheel)
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ldb.setup_name_mapping(domaindn, sid + "-513", users)
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ldb.setup_name_mapping(domaindn, sid + "-520", wheel)
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idmap.setup_name_mapping("S-1-5-7", idmap.TYPE_UID, nobody_uid)
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idmap.setup_name_mapping("S-1-5-32-544", idmap.TYPE_GID, wheel_gid)
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idmap.setup_name_mapping("S-1-5-32-551", idmap.TYPE_GID, backup_gid)
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idmap.setup_name_mapping(sid + "-500", idmap.TYPE_UID, root_uid)
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idmap.setup_name_mapping(sid + "-513", idmap.TYPE_GID, users_gid)
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def setup_samdb_partitions(samdb_path, setup_path, message, lp, session_info,
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credentials, names,
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@ -663,8 +651,8 @@ def setup_idmapdb(path, setup_path, session_info, credentials, lp):
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if os.path.exists(path):
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os.unlink(path)
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idmap_ldb = Ldb(path, session_info=session_info, credentials=credentials,
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lp=lp)
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idmap_ldb = IDmapDB(path, session_info=session_info,
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credentials=credentials, lp=lp)
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idmap_ldb.erase()
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idmap_ldb.load_ldif_file_add(setup_path("idmap_init.ldif"))
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@ -924,18 +912,25 @@ def provision(setup_dir, message, session_info,
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if dnspass is None:
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dnspass = misc.random_password(12)
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if root is None:
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root = findnss(pwd.getpwnam, ["root"])[0]
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root_uid = findnss(pwd.getpwnam, ["root"])[2]
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else:
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root_uid = findnss(pwd.getpwnam, [root])[2]
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if nobody is None:
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nobody = findnss(pwd.getpwnam, ["nobody"])[0]
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if nogroup is None:
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nogroup = findnss(grp.getgrnam, ["nogroup", "nobody"])[0]
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nobody_uid = findnss(pwd.getpwnam, ["nobody"])[2]
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else:
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nobody_uid = findnss(pwd.getpwnam, [nobody])[2]
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if users is None:
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users = findnss(grp.getgrnam, ["users", "guest", "other", "unknown",
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"usr"])[0]
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users_gid = findnss(grp.getgrnam, ["users"])[2]
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else:
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users_gid = findnss(grp.getgrnam, [users])[2]
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if wheel is None:
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wheel = findnss(grp.getgrnam, ["wheel", "root", "staff", "adm"])[0]
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wheel_gid = findnss(grp.getgrnam, ["wheel", "adm"])[2]
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else:
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wheel_gid = findnss(grp.getgrnam, [wheel])[2]
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if backup is None:
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backup = findnss(grp.getgrnam, ["backup", "wheel", "root", "staff"])[0]
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backup_gid = findnss(grp.getgrnam, ["backup", "staff"])[2]
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else:
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backup_gid = findnss(grp.getgrnam, [backup])[2]
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if aci is None:
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aci = "# no aci for local ldb"
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@ -994,8 +989,8 @@ def provision(setup_dir, message, session_info,
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credentials=credentials, lp=lp)
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message("Setting up idmap db")
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setup_idmapdb(paths.idmapdb, setup_path, session_info=session_info,
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credentials=credentials, lp=lp)
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idmap = setup_idmapdb(paths.idmapdb, setup_path, session_info=session_info,
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credentials=credentials, lp=lp)
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samdb = setup_samdb(paths.samdb, setup_path, session_info=session_info,
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credentials=credentials, lp=lp, names=names,
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@ -1026,11 +1021,12 @@ def provision(setup_dir, message, session_info,
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machinepass=machinepass, dnsdomain=names.dnsdomain)
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if samdb_fill == FILL_FULL:
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setup_name_mappings(samdb, str(domainsid), names.domaindn, root=root,
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nobody=nobody, nogroup=nogroup, wheel=wheel,
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users=users, backup=backup)
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message("Compleating sam.ldb setup by marking as synchronized")
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setup_name_mappings(samdb, idmap, str(domainsid), names.domaindn,
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root_uid=root_uid, nobody_uid=nobody_uid,
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users_gid=users_gid, wheel_gid=wheel_gid,
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backup_gid=backup_gid)
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message("Setting up sam.ldb rootDSE marking as synchronized")
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setup_modify_ldif(samdb, setup_path("provision_rootdse_modify.ldif"))
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# Only make a zone file on the first DC, it should be replicated with DNS replication
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@ -53,25 +53,6 @@ description: %s
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for msg in self.parse_ldif(add):
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self.add(msg[1])
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def setup_name_mapping(self, domaindn, sid, unixname):
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"""Setup a mapping between a sam name and a unix name.
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:param domaindn: DN of the domain.
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:param sid: SID of the NT-side of the mapping.
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:param unixname: Unix name to map to.
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"""
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res = self.search(domaindn, ldb.SCOPE_SUBTREE,
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"objectSid=%s" % sid, ["dn"])
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assert len(res) == 1, "Failed to find record for objectSid %s" % sid
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mod = """
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dn: %s
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changetype: modify
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replace: unixName
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unixName: %s
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""" % (res[0].dn, unixname)
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self.modify(self.parse_ldif(mod).next()[1])
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def enable_account(self, user_dn):
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"""Enable an account.
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