s4-python: Remove more unused imports, fix use of sets in upgradehelpers.
[kai/samba-autobuild/.git] / source4 / scripting / bin / get-descriptors
1 #!/usr/bin/env python
2 #
3 # Unix SMB/CIFS implementation.
4 # A script to compare differences of security descriotors between
5 # a remote host and the local Ldb
6 # Needs the local domain, the remote domain, IP of the remote host
7 # Username and password for the remote domain, must be at least
8 # Domain Administrator
9 #
10 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
11 # Copyright (C) Nadezhda Ivanova <nadezhda.ivanova@postpath.com> 2009
12 #
13 # Based on the original in EJS:
14 # Copyright (C) Andrew Tridgell <tridge@samba.org> 2005
15 #
16 # This program is free software; you can redistribute it and/or modify
17 # it under the terms of the GNU General Public License as published by
18 # the Free Software Foundation; either version 3 of the License, or
19 # (at your option) any later version.
20 #
21 # This program is distributed in the hope that it will be useful,
22 # but WITHOUT ANY WARRANTY; without even the implied warranty of
23 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24 # GNU General Public License for more details.
25 #
26 # You should have received a copy of the GNU General Public License
27 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
28 #
29
30 import optparse
31 import sys
32 import base64
33
34 sys.path.insert(0, "bin/python")
35
36 import samba
37 from samba.auth import system_session
38 import samba.getopt as options
39 from samba.ndr import ndr_pack, ndr_unpack
40 from samba.dcerpc import security
41 from samba import Ldb
42 from samba.samdb import SamDB
43 from ldb import SCOPE_SUBTREE, SCOPE_BASE
44
45 parser = optparse.OptionParser("get-descriptor [options]")
46 sambaopts = options.SambaOptions(parser)
47 credopts = options.CredentialsOptions(parser)
48 parser.add_option_group(credopts)
49
50 parser.add_option("--local-domain", type="string", metavar="LOCALDOMAIN",
51                   help="set local domain")
52 parser.add_option("--remote-domain", type="string", metavar="REMOTEDOMAIN",
53                   help="set remote domain")
54 parser.add_option("--host", type="string", metavar="HOST",
55                   help="Ip of the remote host used for comparison")
56 parser.add_option("--as-ldif", help="Output in LDIF format", action="store_true")
57
58 lp = sambaopts.get_loadparm()
59 creds = credopts.get_credentials(lp)
60
61 opts = parser.parse_args()[0]
62
63 class DescrGetter:
64
65     def __init__(self, localdomain, remotedomain):
66         self.samdb = SamDB(session_info=system_session(), lp=lp, options=["modules:paged_searches"])
67         self.remote_ldb= Ldb("ldap://" + opts.host + ":389", credentials=creds, lp=lp,
68                              options=["modules:paged_searches"])
69         self.local_domain = localdomain.replace(".", ",DC=")
70         self.local_domain = "DC=" + self.local_domain
71         self.remote_domain = remotedomain.replace(".", ",DC=")
72         self.remote_domain = "DC=" + self.remote_domain
73         self.local_map = {}
74         self.remote_map = {}
75
76     def get_domain_local_sid(self):
77         res = self.samdb.search(base=self.local_domain,expression="(objectClass=*)", scope=SCOPE_BASE)
78         self.local_sid = ndr_unpack( security.dom_sid,res[0]["objectSid"][0])
79
80     def get_domain_remote_sid(self):
81         res = self.remote_ldb.search(base=self.remote_domain, expression="(objectClass=*)", scope=SCOPE_BASE)
82         self.remote_sid = ndr_unpack( security.dom_sid,res[0]["objectSid"][0])
83
84     def add_to_ldif(self, dn, descr):
85         ldif_entry = ["dn: " + dn,
86                       "changetype: modify",
87                       "replace: nTSecurityDescriptor",
88                       "nTSecurityDescriptor::  " + base64.b64encode(ndr_pack(descr))]
89
90         for line in ldif_entry:
91             length = 79
92             if len(line) <= length + 1:
93                 print line
94             else:
95                 for i in range(len(line) / length + 1):
96                     if i == 0:
97                         l = line[i * length:((i + 1) * length)]
98                     else:
99                         l = " " + line[(i * length):((i + 1) * length)]
100                     print l
101         print "\n"
102
103     def write_as_sddl(self, dn, descr):
104         print dn
105         print descr + "\n"
106
107     def read_descr_by_base(self, search_base):
108         res = self.samdb.search(base=search_base + self.local_domain, expression="(objectClass=*)", scope=SCOPE_SUBTREE, attrs=["nTSecurityDescriptor"])
109         for entry in res:
110             dn = entry["dn"].__str__().replace(self.local_domain, "")
111
112             if "nTSecurityDescriptor" in entry:
113                 desc_obj = ndr_unpack(security.descriptor, entry["nTSecurityDescriptor"][0])
114                 self.local_map[dn] = desc_obj
115
116         res = self.remote_ldb.search(base=search_base + self.remote_domain, expression="(objectClass=*)", scope=SCOPE_SUBTREE, attrs=["nTSecurityDescriptor"])
117         for entry in res:
118             dn = entry["dn"].__str__().replace(self.remote_domain, "")
119
120             if "nTSecurityDescriptor" in entry:
121                 desc_obj = ndr_unpack(security.descriptor, entry["nTSecurityDescriptor"][0])
122                 self.remote_map[dn] = desc_obj
123
124     def read_desc(self):
125         self.read_descr_by_base("CN=Schema,CN=Configuration,")
126         self.read_descr_by_base("CN=Configuration,")
127         self.read_descr_by_base("")
128
129     def write_desc_to_ldif(self):
130         key_list_local = self.local_map.keys()
131         key_list_remote = self.remote_map.keys()
132         for key in key_list_remote:
133             if key in key_list_local:
134                 sddl = self.remote_map[key].as_sddl(self.remote_sid)
135                 sddl_local = self.local_map[key].as_sddl(self.local_sid)
136                 if sddl != sddl_local:
137                     descr = security.descriptor.from_sddl(sddl, self.local_sid)
138                 if opts.as_ldif:
139                     self.add_to_ldif(key + self.local_domain, descr)
140                 else:
141                     self.write_as_sddl(key, descr.as_sddl(self.local_sid))
142
143     def run(self):
144         self.get_domain_local_sid()
145         self.get_domain_remote_sid()
146         self.read_desc()
147         self.write_desc_to_ldif()
148
149 desc = DescrGetter(opts.local_domain, opts.remote_domain)
150 desc.run()