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-rwxr-xr-xsource4/scripting/devel/ldapcmp286
1 files changed, 252 insertions, 34 deletions
diff --git a/source4/scripting/devel/ldapcmp b/source4/scripting/devel/ldapcmp
index 74a22bf33b..58b187a039 100755
--- a/source4/scripting/devel/ldapcmp
+++ b/source4/scripting/devel/ldapcmp
@@ -59,12 +59,17 @@ class LDAPBase(object):
options=ldb_options)
self.two_domains = cmd_opts.two
self.quiet = cmd_opts.quiet
+ self.descriptor = cmd_opts.descriptor
+ self.view = cmd_opts.view
+ self.verbose = cmd_opts.verbose
self.host = host
self.base_dn = self.find_basedn()
self.domain_netbios = self.find_netbios()
self.server_names = self.find_servers()
self.domain_name = re.sub("[Dd][Cc]=", "", self.base_dn).replace(",", ".")
- self.domain_sid_bin = self.get_object_sid(self.base_dn)
+ self.domain_sid = self.find_domain_sid()
+ self.get_guid_map()
+ self.get_sid_map()
#
# Log some domain controller specific place-holers that are being used
# when compare content of two DCs. Uncomment for DEBUG purposes.
@@ -72,9 +77,13 @@ class LDAPBase(object):
print "\n* Place-holders for %s:" % self.host
print 4*" " + "${DOMAIN_DN} => %s" % self.base_dn
print 4*" " + "${DOMAIN_NETBIOS} => %s" % self.domain_netbios
- print 4*" " + "${SERVERNAME} => %s" % self.server_names
+ print 4*" " + "${SERVER_NAME} => %s" % self.server_names
print 4*" " + "${DOMAIN_NAME} => %s" % self.domain_name
+ def find_domain_sid(self):
+ res = self.ldb.search(base=self.base_dn, expression="(objectClass=*)", scope=SCOPE_BASE)
+ return ndr_unpack(security.dom_sid,res[0]["objectSid"][0])
+
def find_servers(self):
"""
"""
@@ -134,22 +143,210 @@ class LDAPBase(object):
res[key] = list(res[key])
return res
- def get_descriptor(self, object_dn):
+ def get_descriptor_sddl(self, object_dn):
res = self.ldb.search(base=object_dn, scope=SCOPE_BASE, attrs=["nTSecurityDescriptor"])
- return res[0]["nTSecurityDescriptor"][0]
+ desc = res[0]["nTSecurityDescriptor"][0]
+ desc = ndr_unpack(security.descriptor, desc)
+ return desc.as_sddl(self.domain_sid)
+
+ def guid_as_string(self, guid_blob):
+ """ Translate binary representation of schemaIDGUID to standard string representation.
+ @gid_blob: binary schemaIDGUID
+ """
+ blob = "%s" % guid_blob
+ stops = [4, 2, 2, 2, 6]
+ index = 0
+ res = ""
+ x = 0
+ while x < len(stops):
+ tmp = ""
+ y = 0
+ while y < stops[x]:
+ c = hex(ord(blob[index])).replace("0x", "")
+ c = [None, "0" + c, c][len(c)]
+ if 2 * index < len(blob):
+ tmp = c + tmp
+ else:
+ tmp += c
+ index += 1
+ y += 1
+ res += tmp + " "
+ x += 1
+ assert index == len(blob)
+ return res.strip().replace(" ", "-")
+
+ def get_guid_map(self):
+ """ Build dictionary that maps GUID to 'name' attribute found in Schema or Extended-Rights.
+ """
+ self.guid_map = {}
+ res = self.ldb.search(base="cn=schema,cn=configuration,%s" % self.base_dn, \
+ expression="(schemaIdGuid=*)", scope=SCOPE_SUBTREE, attrs=["schemaIdGuid", "name"])
+ for item in res:
+ self.guid_map[self.guid_as_string(item["schemaIdGuid"]).lower()] = item["name"][0]
+ #
+ res = self.ldb.search(base="cn=extended-rights,cn=configuration,%s" % self.base_dn, \
+ expression="(rightsGuid=*)", scope=SCOPE_SUBTREE, attrs=["rightsGuid", "name"])
+ for item in res:
+ self.guid_map[str(item["rightsGuid"]).lower()] = item["name"][0]
+
+ def get_sid_map(self):
+ """ Build dictionary that maps GUID to 'name' attribute found in Schema or Extended-Rights.
+ """
+ self.sid_map = {}
+ res = self.ldb.search(base="%s" % self.base_dn, \
+ expression="(objectSid=*)", scope=SCOPE_SUBTREE, attrs=["objectSid", "sAMAccountName"])
+ for item in res:
+ try:
+ self.sid_map["%s" % ndr_unpack(security.dom_sid, item["objectSid"][0])] = item["sAMAccountName"][0]
+ except KeyError:
+ pass
+
+class Descriptor(object):
+ def __init__(self, connection, dn):
+ self.con = connection
+ self.dn = dn
+ self.sddl = self.con.get_descriptor_sddl(self.dn)
+ self.dacl_list = self.extract_dacl()
+
+ def extract_dacl(self):
+ """ Extracts the DACL as a list of ACE string (with the brakets).
+ """
+ try:
+ res = re.search("D:(.*?)(\(.*?\))S:", self.sddl).group(2)
+ except AttributeError:
+ return []
+ return re.findall("(\(.*?\))", res)
+
+ def fix_guid(self, ace):
+ res = "%s" % ace
+ guids = re.findall("[a-z0-9]+?-[a-z0-9]+-[a-z0-9]+-[a-z0-9]+-[a-z0-9]+", res)
+ # If there are not GUIDs to replace return the same ACE
+ if len(guids) == 0:
+ return res
+ for guid in guids:
+ try:
+ name = self.con.guid_map[guid.lower()]
+ res = res.replace(guid, name)
+ except KeyError:
+ # Do not bother if the GUID is not found in
+ # cn=Schema or cn=Extended-Rights
+ pass
+ return res
+
+ def fix_sid(self, ace):
+ res = "%s" % ace
+ sids = re.findall("S-[-0-9]+", res)
+ # If there are not SIDs to replace return the same ACE
+ if len(sids) == 0:
+ return res
+ for sid in sids:
+ try:
+ name = self.con.sid_map[sid]
+ res = res.replace(sid, name)
+ except KeyError:
+ # Do not bother if the SID is not found in baseDN
+ pass
+ return res
+
+ def fixit(self, ace):
+ """ Combine all replacement methods in one
+ """
+ res = "%s" % ace
+ res = self.fix_guid(res)
+ res = self.fix_sid(res)
+ return res
+ def diff_1(self, other):
+ res = ""
+ if len(self.dacl_list) != len(other.dacl_list):
+ res += 4*" " + "Difference in ACE count:\n"
+ res += 8*" " + "=> %s\n" % len(self.dacl_list)
+ res += 8*" " + "=> %s\n" % len(other.dacl_list)
+ #
+ i = 0
+ flag = True
+ while True:
+ self_ace = None
+ other_ace = None
+ try:
+ self_ace = "%s" % self.dacl_list[i]
+ except IndexError:
+ self_ace = ""
+ #
+ try:
+ other_ace = "%s" % other.dacl_list[i]
+ except IndexError:
+ other_ace = ""
+ if len(self_ace) + len(other_ace) == 0:
+ break
+ self_ace_fixed = "%s" % self.fixit(self_ace)
+ other_ace_fixed = "%s" % other.fixit(other_ace)
+ if self_ace_fixed != other_ace_fixed:
+ res += "%60s * %s\n" % ( self_ace_fixed, other_ace_fixed )
+ flag = False
+ else:
+ res += "%60s | %s\n" % ( self_ace_fixed, other_ace_fixed )
+ i += 1
+ return (flag, res)
+
+ def diff_2(self, other):
+ res = ""
+ if len(self.dacl_list) != len(other.dacl_list):
+ res += 4*" " + "Difference in ACE count:\n"
+ res += 8*" " + "=> %s\n" % len(self.dacl_list)
+ res += 8*" " + "=> %s\n" % len(other.dacl_list)
+ #
+ common_aces = []
+ self_aces = []
+ other_aces = []
+ self_dacl_list_fixed = []
+ other_dacl_list_fixed = []
+ [self_dacl_list_fixed.append( self.fixit(ace) ) for ace in self.dacl_list]
+ [other_dacl_list_fixed.append( other.fixit(ace) ) for ace in other.dacl_list]
+ for ace in self_dacl_list_fixed:
+ try:
+ other_dacl_list_fixed.index(ace)
+ except ValueError:
+ self_aces.append(ace)
+ else:
+ common_aces.append(ace)
+ self_aces = sorted(self_aces)
+ if len(self_aces) > 0:
+ res += 4*" " + "ACEs found only in %s:\n" % self.con.host
+ for ace in self_aces:
+ res += 8*" " + ace + "\n"
+ #
+ for ace in other_dacl_list_fixed:
+ try:
+ self_dacl_list_fixed.index(ace)
+ except ValueError:
+ other_aces.append(ace)
+ else:
+ common_aces.append(ace)
+ other_aces = sorted(other_aces)
+ if len(other_aces) > 0:
+ res += 4*" " + "ACEs found only in %s:\n" % other.con.host
+ for ace in other_aces:
+ res += 8*" " + ace + "\n"
+ #
+ common_aces = sorted(list(set(common_aces)))
+ if self.con.verbose:
+ res += 4*" " + "ACEs found in both:\n"
+ for ace in common_aces:
+ res += 8*" " + ace + "\n"
+ return (self_aces == [] and other_aces == [], res)
class LDAPObject(object):
- def __init__(self, connection, dn, summary, cmd_opts):
+ def __init__(self, connection, dn, summary):
self.con = connection
- self.two_domains = cmd_opts.two
- self.quiet = cmd_opts.quiet
- self.verbose = cmd_opts.verbose
+ self.two_domains = self.con.two_domains
+ self.quiet = self.con.quiet
+ self.verbose = self.con.verbose
self.summary = summary
self.dn = dn.replace("${DOMAIN_DN}", self.con.base_dn)
self.dn = self.dn.replace("CN=${DOMAIN_NETBIOS}", "CN=%s" % self.con.domain_netbios)
for x in self.con.server_names:
- self.dn = self.dn.replace("CN=${SERVERNAME}", "CN=%s" % x)
+ self.dn = self.dn.replace("CN=${SERVER_NAME}", "CN=%s" % x)
self.attributes = self.con.get_attributes(self.dn)
# Attributes that are considered always to be different e.g based on timestamp etc.
#
@@ -199,7 +396,7 @@ class LDAPObject(object):
"dnsHostName", "networkAddress", "dnsRoot", "servicePrincipalName",]
self.domain_attributes = [x.upper() for x in self.domain_attributes]
#
- # May contain DOMAIN_NETBIOS and SERVERNAME
+ # May contain DOMAIN_NETBIOS and SERVER_NAME
self.servername_attributes = [ "distinguishedName", "name", "CN", "sAMAccountName", "dNSHostName",
"servicePrincipalName", "rIDSetReferences", "serverReference", "serverReferenceBL",
"msDS-IsDomainFor", "interSiteTopologyGenerator",]
@@ -249,10 +446,30 @@ class LDAPObject(object):
if not self.two_domains or len(self.con.server_names) > 1:
return res
for x in self.con.server_names:
- res = res.upper().replace(x, "${SERVERNAME}")
+ res = res.upper().replace(x, "${SERVER_NAME}")
return res
def __eq__(self, other):
+ if self.con.descriptor:
+ return self.cmp_desc(other)
+ return self.cmp_attrs(other)
+
+ def cmp_desc(self, other):
+ d1 = Descriptor(self.con, self.dn)
+ d2 = Descriptor(other.con, other.dn)
+ if self.con.view == "section":
+ res = d1.diff_2(d2)
+ elif self.con.view == "collision":
+ res = d1.diff_1(d2)
+ else:
+ raise Exception("Unknown --view option value.")
+ #
+ self.screen_output = res[1][:-1]
+ other.screen_output = res[1][:-1]
+ #
+ return res[0]
+
+ def cmp_attrs(self, other):
res = ""
self.unique_attrs = []
self.df_value_attrs = []
@@ -324,7 +541,7 @@ class LDAPObject(object):
continue
#
if x.upper() in self.servername_attributes:
- # Attributes with SERVERNAME
+ # Attributes with SERVER_NAME
m = p
n = q
if not p and not q:
@@ -370,12 +587,11 @@ class LDAPObject(object):
class LDAPBundel(object):
- def __init__(self, connection, context, cmd_opts, dn_list=None):
+ def __init__(self, connection, context, dn_list=None):
self.con = connection
- self.cmd_opts = cmd_opts
- self.two_domains = cmd_opts.two
- self.quiet = cmd_opts.quiet
- self.verbose = cmd_opts.verbose
+ self.two_domains = self.con.two_domains
+ self.quiet = self.con.quiet
+ self.verbose = self.con.verbose
self.summary = {}
self.summary["unique_attrs"] = []
self.summary["df_value_attrs"] = []
@@ -396,7 +612,7 @@ class LDAPBundel(object):
tmp = tmp.replace("CN=%s" % self.con.domain_netbios, "CN=${DOMAIN_NETBIOS}")
if len(self.con.server_names) == 1:
for x in self.con.server_names:
- tmp = tmp.replace("CN=%s" % x, "CN=${SERVERNAME}")
+ tmp = tmp.replace("CN=%s" % x, "CN=${SERVER_NAME}")
self.dn_list[counter] = tmp
counter += 1
self.dn_list = list(set(self.dn_list))
@@ -454,16 +670,14 @@ class LDAPBundel(object):
try:
object1 = LDAPObject(connection=self.con,
dn=self.dn_list[index],
- summary=self.summary,
- cmd_opts = self.cmd_opts)
+ summary=self.summary)
except LdbError, (ERR_NO_SUCH_OBJECT, _):
self.log( "\n!!! Object not found: %s" % self.dn_list[index] )
skip = True
try:
object2 = LDAPObject(connection=other.con,
dn=other.dn_list[index],
- summary=other.summary,
- cmd_opts = self.cmd_opts)
+ summary=other.summary)
except LdbError, (ERR_NO_SUCH_OBJECT, _):
self.log( "\n!!! Object not found: %s" % other.dn_list[index] )
skip = True
@@ -471,7 +685,7 @@ class LDAPBundel(object):
index += 1
continue
if object1 == object2:
- if self.verbose:
+ if self.con.verbose:
self.log( "\nComparing:" )
self.log( "'%s' [%s]" % (object1.dn, object1.con.host) )
self.log( "'%s' [%s]" % (object2.dn, object2.con.host) )
@@ -542,6 +756,10 @@ if __name__ == "__main__":
help="Do not print anything but relay on just exit code",)
parser.add_option("-v", "--verbose", dest="verbose", action="store_true", default=False,
help="Print all DN pairs that have been compared",)
+ parser.add_option("", "--sd", dest="descriptor", action="store_true", default=False,
+ help="Compare nTSecurityDescriptor attibutes only",)
+ parser.add_option("", "--view", dest="view", default="section",
+ help="Display mode for nTSecurityDescriptor results. Possible values: section or collision.",)
(opts, args) = parser.parse_args()
lp = sambaopts.get_loadparm()
@@ -566,6 +784,8 @@ if __name__ == "__main__":
if opts.verbose and opts.quiet:
parser.error("You cannot set --verbose and --quiet together")
+ if opts.descriptor and opts.view.upper() not in ["SECTION", "COLLISION"]:
+ parser.error("Unknown --view option value. Choose from: section or collision.")
con1 = LDAPBase(opts.host, opts, creds, lp)
assert len(con1.base_dn) > 0
@@ -578,8 +798,8 @@ if __name__ == "__main__":
if not opts.quiet:
print "\n* Comparing [%s] context..." % context
- b1 = LDAPBundel(con1, context=context, cmd_opts=opts)
- b2 = LDAPBundel(con2, context=context, cmd_opts=opts)
+ b1 = LDAPBundel(con1, context=context)
+ b2 = LDAPBundel(con2, context=context)
if b1 == b2:
if not opts.quiet:
@@ -587,16 +807,14 @@ if __name__ == "__main__":
else:
if not opts.quiet:
print "\n* Result for [%s]: FAILURE" % context
- print "\nSUMMARY"
- print "---------"
+ if not opts.descriptor:
+ assert len(b1.summary["df_value_attrs"]) == len(b2.summary["df_value_attrs"])
+ b2.summary["df_value_attrs"] = []
+ print "\nSUMMARY"
+ print "---------"
+ b1.print_summary()
+ b2.print_summary()
# mark exit status as FAILURE if a least one comparison failed
status = -1
- assert len(b1.summary["df_value_attrs"]) == len(b2.summary["df_value_attrs"])
- b2.summary["df_value_attrs"] = []
-
- if not opts.quiet:
- b1.print_summary()
- b2.print_summary()
-
sys.exit(status)