[PATCH] Script to (re)build extended DN

[Matthieu Patou]

---
 source4/scripting/bin/rebuildextendeddn |  182 +++++++++++++++++++++++++++++++
 1 files changed, 182 insertions(+), 0 deletions(-)
 create mode 100755 source4/scripting/bin/rebuildextendeddn

diff --git a/source4/scripting/bin/rebuildextendeddn b/source4/scripting/bin/rebuildextendeddn
new file mode 100755
index 0000000..1a6da70
--- /dev/null
+++ b/source4/scripting/bin/rebuildextendeddn
@@ -0,0 +1,182 @@
+#!/usr/bin/python
+#
+# Unix SMB/CIFS implementation.
+# Extended attributes (re)building
+# Copyright (C) Matthieu Patou <mat at matws.net> 2009
+#
+# Based on provision a Samba4 server by
+# Copyright (C) Jelmer Vernooij <jelmer at samba.org> 2007-2008
+# Copyright (C) Andrew Bartlett <abartlet at samba.org> 2008
+#
+#   
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#   
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#   
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import getopt
+import optparse
+import os
+import sys
+# Find right directory when running from source tree
+sys.path.insert(0, "bin/python")
+
+import samba
+from samba.credentials import DONT_USE_KERBEROS
+from samba.auth import system_session
+from samba import Ldb, substitute_var, valid_netbios_name, check_all_substituted
+from ldb import SCOPE_SUBTREE, SCOPE_ONELEVEL, SCOPE_BASE, LdbError, \
+		        timestring, CHANGETYPE_MODIFY, CHANGETYPE_NONE
+import ldb
+import samba.getopt as options
+from samba.samdb import SamDB
+from samba import param
+from samba.provision import ProvisionPaths, ProvisionNames,provision_paths_from_lp,get_dnsyntax_attributes,get_linked_attributes,get_partitions
+
+
+
+parser = optparse.OptionParser("provision [options]")
+sambaopts = options.SambaOptions(parser)
+parser.add_option_group(sambaopts)
+parser.add_option_group(options.VersionOptions(parser))
+credopts = options.CredentialsOptions(parser)
+parser.add_option_group(credopts)
+parser.add_option("--modifymodules", help="Modify @MODULES if needed", action="store_true")
+parser.add_option("--targetdir", type="string", metavar="DIR", 
+		          help="Set target directory")
+
+opts = parser.parse_args()[0]
+
+def message(text):
+	"""print a message if quiet is not set."""
+	if not opts.quiet:
+		print text
+
+if len(sys.argv) == 1:
+	opts.interactive = True
+
+lp = sambaopts.get_loadparm()
+smbconf = lp.configfile
+
+creds = credopts.get_credentials(lp)
+
+creds.set_kerberos_state(DONT_USE_KERBEROS)
+
+session = system_session()
+
+
+def get_paths(targetdir=None,smbconf=None):
+	if targetdir is not None:
+		if (not os.path.exists(os.path.join(targetdir, "etc"))):
+			os.makedirs(os.path.join(targetdir, "etc"))
+		smbconf = os.path.join(targetdir, "etc", "smb.conf")
+	if smbconf is None:
+			smbconf = param.default_path()
+
+	if not os.path.exists(smbconf):
+		print >>sys.stderr, "Unable to find smb.conf .. "+smbconf
+		parser.print_usage()
+		sys.exit(1)
+
+	lp = param.LoadParm()
+	lp.load(smbconf)
+	paths = provision_paths_from_lp(lp,"foo")
+	return paths
+
+
+def modify_modules(credentials,session_info,paths):
+	sam_ldb = Ldb(paths.samdb, session_info=session_info, credentials=credentials,lp=lp)
+	res = sam_ldb.search(expression="(dn=@MODULES)",base="", scope=SCOPE_SUBTREE, attrs=["@LIST"])
+	if(len(res) > 0):
+		sam_ldb.transaction_start()
+		strmodulesbefore = str(res[0]["@LIST"])
+		modules = strmodulesbefore .split(",")
+		prevmod = ""
+		for i in range (0,len(modules)):
+			if(prevmod == "asq" and modules[i] != "extended_dn_store"):
+				modules.insert(i,"extended_dn_store,extended_dn_in");
+			if(prevmod == "linked_attributes" and modules[i] != "extended_dn_out_ldb"):
+				modules.insert(i,"extended_dn_out_ldb");
+			prevmod = modules[i]
+
+		strmodules=","
+		strmodules = strmodules.join(modules)	
+		if( strmodulesbefore != strmodules):
+				print >>sys.stderr, "Modifying @MODULES to add extended modules"
+				m = ldb.Message()
+				m.dn = ldb.Dn(sam_ldb, "@MODULES")
+				m["@LIST"] = ldb.MessageElement([], ldb.CHANGETYPE_DELETE, "@LIST")
+				sam_ldb.modify(m)
+				m["@LIST"] = ldb.MessageElement([strmodules], ldb.CHANGETYPE_ADD, "@LIST")
+				sam_ldb.modify(m)
+				sam_ldb.transaction_commit()
+		else:
+			sam_ldb.transaction_cancel()
+
+	
+
+def rebuild_en_dn(credentials,session_info,paths):
+	lp = param.LoadParm()
+	lp.load(paths.smbconf)
+	names = ProvisionNames()
+	names.domain = lp.get("workgroup")
+	names.realm = lp.get("realm")
+	names.rootdn = "DC=" + names.realm.replace(".",",DC=")
+	
+	attrs = ["dn","dMDLocation", "hasMasterNCs",  "msDS-hasMasterNCs",  "nCName", "serverReference",
+             "member",  "objectCategory", "defaultObjectCategory" ]
+	dn = ""
+
+
+	partitions = get_partitions(credentials,session_info,paths,lp)
+
+	sam_ldb = Ldb(paths.samdb, session_info=session_info, credentials=credentials,lp=lp)
+	sam_ldb.transaction_start()
+	attrs.extend(get_linked_attributes(partitions[2],sam_ldb))
+	attrs.extend(get_dnsyntax_attributes(partitions[2],sam_ldb))
+
+	for partition in partitions:
+		print >>sys.stderr, partition
+		res = sam_ldb.search(expression="(objectClass=*)",base=partition, scope=SCOPE_SUBTREE, attrs=attrs)
+		mod = ""
+		for i in range (0,len(res)):
+			dn = res[i]["dn"]
+			for att in res[i]:
+				if (att != "dn" and not (res[i][att] is None) ):
+					mod = """
+dn: %s
+changetype: modify
+replace: %s
+""" % (dn,att)
+					saveatt = []
+					for j in range (0,len( res[i][att])):
+						mod = mod +att +": "+str(res[i][att][j])+"\n"
+						saveatt.append(str(res[i][att][j]))
+					sam_ldb.modify_ldif(mod)
+					res3 = sam_ldb.search(expression="(&(dn=%s)(%s=*))"%(dn,att),base=partition, scope=SCOPE_SUBTREE, attrs=["dn",att])
+					if( len(res3) == 0):
+						print >>sys.stderr, str(dn) + " has no attr " +att
+						for satt in saveatt:
+							print >>sys.stderr,"	"+satt
+						sam_ldb.transaction_cancel()
+	sam_ldb.transaction_commit()
+
+
+
+		
+paths = get_paths(targetdir=opts.targetdir,smbconf=smbconf)
+
+if(opts.modifymodules):
+	modify_modules(creds,session,paths)
+
+rebuild_en_dn(creds,session,paths)
+
-- 
1.6.0.4


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