Attachment 8372 Details for Bug 32086 – Patch to fix LDAP filters in mapping.py

[patch] Patch to fix LDAP filters in mapping.py

0001-Bug-32086-s4-connector-escape-ignore_filters-in-mapp.patch (text/plain), 9.10 KB, created by Lukas Oyen on 2017-01-24 15:42:00 CET

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Creator: Lukas Oyen

Created: 2017-01-24 15:42:00 CET

Size: 9.10 KB

patch

obsolete

>From 273787f2cf48fab8e01b466853b36ce9937ad515 Mon Sep 17 00:00:00 2001
>From: Lukas Oyen <oyen@univention.de>
>Date: Tue, 24 Jan 2017 12:55:54 +0100
>Subject: [PATCH] Bug #32086: s4-connector: escape ignore_filters in mapping.py
>
>---
> .../etc/univention/s4connector/s4/mapping.py       | 72 +++++++++-------------
> .../modules/univention/s4connector/s4/mapping.py   | 37 +++++++++++
> 2 files changed, 66 insertions(+), 43 deletions(-)
>
>diff --git a/services/univention-s4-connector/conffiles/etc/univention/s4connector/s4/mapping.py b/services/univention-s4-connector/conffiles/etc/univention/s4connector/s4/mapping.py
>index ff74ffd..8932cfb 100644
>--- a/services/univention-s4-connector/conffiles/etc/univention/s4connector/s4/mapping.py
>+++ b/services/univention-s4-connector/conffiles/etc/univention/s4connector/s4/mapping.py
>@@ -40,6 +40,7 @@ import univention.s4connector.s4.dc
> import univention.s4connector.s4.computer
> 
> @!@
>+
> global_ignore_subtree=['cn=univention,@%@ldap/base@%@','cn=policies,@%@ldap/base@%@',
> 			'cn=shares,@%@ldap/base@%@','cn=printers,@%@ldap/base@%@',
> 			'cn=networks,@%@ldap/base@%@', 'cn=kerberos,@%@ldap/base@%@',
>@@ -102,12 +103,10 @@ else:
> 			con_search_filter='(&(objectClass=user)(!(objectClass=computer))(userAccountControl:1.2.840.113556.1.4.803:=512))',
> 			match_filter='(&(|(&(objectClass=posixAccount)(objectClass=krb5Principal))(objectClass=user))(!(objectClass=univentionHost)))',
> @!@
>-ignore_filter = ''
>-for user in configRegistry.get('connector/s4/mapping/user/ignorelist', '').split(','):
>-	if user:
>-		ignore_filter += '(uid=%s)(CN=%s)' % (user, user)
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_tmpl
>+ignore_filter = ignore_filter_parts_from_tmpl('(uid={0!e})(CN={0!e})', 'connector/s4/mapping/user/ignorelist')
> if ignore_filter:
>-	print "			ignore_filter='(|%s)'," % ignore_filter
>+	print "			ignore_filter='%s'," % ignore_filter
> @!@
> 			ignore_subtree = global_ignore_subtree,
> 			
>@@ -313,13 +312,12 @@ else:
> 			scope='sub',
> 
> @!@
>-ignore_filter = ''
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
>+ignore_filter = ignore_filter_parts_from_attr('cn', 'connector/s4/mapping/group/ignorelist')
> if configRegistry.is_false('connector/s4/mapping/group/grouptype', False):
>-	ignore_filter += '(sambaGroupType=5)(groupType=5)'
>-for group in configRegistry.get('connector/s4/mapping/group/ignorelist', '').split(','):
>-	if group:
>-		ignore_filter += '(cn=%s)' % (group)
>-print "			ignore_filter='(|%s)'," % ignore_filter
>+	ignore_filter = '(|{}{})'.format('(sambaGroupType=5)(groupType=5)', ignore_filter)
>+if ignore_filter:
>+	print "			ignore_filter='%s'," % ignore_filter
> @!@
> 
> 			ignore_subtree = global_ignore_subtree,
>@@ -431,12 +429,10 @@ if group_map:
> 			# and this subobject would avoid a deletion of this DC in S4
> 			con_subtree_delete_objects = [ 'cn=rid set' ],
> @!@
>-ignore_filter = ''
>-for dc in configRegistry.get('connector/s4/mapping/dc/ignorelist', '').split(','):
>-	if dc:
>-		ignore_filter += '(cn=%s)' % (dc)
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
>+ignore_filter = ignore_filter_parts_from_attr('cn', 'connector/s4/mapping/dc/ignorelist')
> if ignore_filter:
>-	print "			ignore_filter='(|%s)'," % ignore_filter
>+	print "			ignore_filter='%s'," % ignore_filter
> @!@
> 	
> 			@!@
>@@ -533,12 +529,10 @@ else:
> 
> 			ignore_subtree = global_ignore_subtree,
> @!@
>-ignore_filter = ''
>-for computer in configRegistry.get('connector/s4/mapping/windowscomputer/ignorelist', '').split(','):
>-	if computer:
>-		ignore_filter += '(cn=%s)' % (computer)
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
>+ignore_filter = ignore_filter_parts_from_attr('cn', 'connector/s4/mapping/windowscomputer/ignorelist')
> if ignore_filter:
>-	print "			ignore_filter='(|%s)'," % ignore_filter
>+	print "			ignore_filter='%s'," % ignore_filter
> @!@
> 
> 			con_create_objectclass=['top', 'computer' ],
>@@ -653,12 +647,10 @@ if ignore_filter:
> 
> print dns_section
> 
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
> 
> if configRegistry.is_true('connector/s4/mapping/gpo', True):
>-	ignore_filter = ''
>-	for gpo in configRegistry.get('connector/s4/mapping/gpo/ignorelist', '').split(','):
>-		if gpo:
>-			ignore_filter += '(cn=%s)' % (gpo)
>+	ignore_filter = ignore_filter_parts_from_attr('cn', 'connector/s4/mapping/gpo/ignorelist')
> 	if configRegistry.get('connector/s4/mapping/ou/syncmode'):
> 		sync_mode_ou=configRegistry.get('connector/s4/mapping/ou/syncmode')
> 	else:
>@@ -772,11 +764,10 @@ if configRegistry.is_true('connector/s4/mapping/gpo', True):
> '''
> 	print section
> 
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
>+
> if configRegistry.is_true('connector/s4/mapping/wmifilter', False):
>-	ignore_filter = ''
>-	for wmifilter in configRegistry.get('connector/s4/mapping/wmifilter/ignorelist', '').split(','):
>-		if wmifilter:
>-			ignore_filter += '(cn=%s)' % (wmifilter)
>+	ignore_filter = ignore_filter_parts_from_attr('cn', 'connector/s4/mapping/wmifilter/ignorelist')
> 	if configRegistry.get('connector/s4/mapping/ou/syncmode'):
> 		sync_mode_ou=configRegistry.get('connector/s4/mapping/ou/syncmode')
> 	else:
>@@ -901,11 +892,10 @@ if configRegistry.is_true('connector/s4/mapping/wmifilter', False):
> 		),
> ''' % {'ignore_filter': ignore_filter, 'sync_mode_ou': sync_mode_ou}
> 
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
>+
> if configRegistry.is_true('connector/s4/mapping/msprintconnectionpolicy', False):
>-	ignore_filter = ''
>-	for cfilter in configRegistry.get('connector/s4/mapping/msprintconnectionpolicy/ignorelist', '').split(','):
>-		if cfilter:
>-			ignore_filter += '(cn=%s)' % (cfilter)
>+	ignore_filter = ignore_filter_parts_from_attr('cn', 'connector/s4/mapping/msprintconnectionpolicy/ignorelist')
> 	if configRegistry.get('connector/s4/mapping/ou/syncmode'):
> 		sync_mode_ou=configRegistry.get('connector/s4/mapping/ou/syncmode')
> 	else:
>@@ -984,12 +974,10 @@ else:
> 			con_search_filter='(&(|(objectClass=container)(objectClass=builtinDomain))(!(objectClass=groupPolicyContainer)))', # builtinDomain is cn=builtin (with group cn=Administrators)
> 
> @!@
>-ignore_filter = ''
>-for cn in configRegistry.get('connector/s4/mapping/container/ignorelist', 'mail,kerberos,MicrosoftDNS').split(','):
>-	if cn:
>-		ignore_filter += '(cn=%s)' % (cn)
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
>+ignore_filter = ignore_filter_parts_from_attr('cn', 'connector/s4/mapping/container/ignorelist', 'mail,kerberos,MicrosoftDNS')
> if ignore_filter:
>-	print "			ignore_filter='(|%s)'," % ignore_filter
>+	print "			ignore_filter='%s'," % ignore_filter
> @!@
> 
> 			ignore_subtree = global_ignore_subtree,
>@@ -1041,12 +1029,10 @@ else:
> 			con_search_filter='objectClass=organizationalUnit',
> 
> @!@
>-ignore_filter = ''
>-for ou in configRegistry.get('connector/s4/mapping/ou/ignorelist', '').split(','):
>-	if ou:
>-		ignore_filter += '(ou=%s)' % (ou)
>+from univention.s4connector.s4.mapping import ignore_filter_parts_from_attr
>+ignore_filter = ignore_filter_parts_from_attr('ou', 'connector/s4/mapping/ou/ignorelist')
> if ignore_filter:
>-	print "			ignore_filter='(|%s)'," % ignore_filter
>+	print "			ignore_filter='%s'," % ignore_filter
> @!@
> 
> 			ignore_subtree = global_ignore_subtree,
>diff --git a/services/univention-s4-connector/modules/univention/s4connector/s4/mapping.py b/services/univention-s4-connector/modules/univention/s4connector/s4/mapping.py
>index 437db91..307a101 100644
>--- a/services/univention-s4-connector/modules/univention/s4connector/s4/mapping.py
>+++ b/services/univention-s4-connector/modules/univention/s4connector/s4/mapping.py
>@@ -36,10 +36,47 @@ import univention.config_registry as ucr
> import univention.debug2 as ud
> import univention.s4connector.s4
> 
>+from univention.s4connector.s4 import format_escaped
>+
> configRegistry = ucr.ConfigRegistry()
> configRegistry.load()
> 
> 
>+def ignore_filter_parts_from_tmpl(template, ucr_key, default=''):
>+	"""
>+	Construct an `ignore_filter` from a `ucr_key`
>+	(`connector/s4/mapping/*/ignorelist`, a comma delimited list of values), as
>+	specified by `template` while correctly escaping the filter-expression.
>+
>+	`template` must be formatted as required by `format_escaped`.
>+
>+	>>> ignore_filter_parts_from_tmpl('(cn={0!e})',
>+	... 'connector/s4/mapping/nonexistend/ignorelist',
>+	... 'one,two,three')
>+	'(|(cn=one)(cn=two)(cn=three))'
>+	"""
>+	variables = [v for v in configRegistry.get(ucr_key, default).split(',') if v]
>+	filter_parts = [format_escaped(template, v) for v in variables]
>+	if filter_parts:
>+		return '(|{})'.format(''.join(filter_parts))
>+	return ''
>+
>+
>+def ignore_filter_parts_from_attr(attribute, ucr_key, default=''):
>+	"""
>+	Convenience-wrapper arround `ignore_filter_from_tmpl()`.
>+
>+	This expects a single `attribute` instead of a `template` argument.
>+
>+	>>> ignore_filter_parts_from_attr('cn',
>+	... 'connector/s4/mapping/nonexistend/ignorelist',
>+	... 'one,two,three')
>+	'(|(cn=one)(cn=two)(cn=three))'
>+	"""
>+	template = '({}={{0!e}})'.format(attribute)
>+	return ignore_filter_parts_from_tmpl(template, ucr_key, default)
>+
>+
> def ucs2s4_sid(s4connector, key, object):
> 	_d = ud.function('mapping.ucs2s4_sid -- not implemented')
> 
>-- 
>2.7.4
>

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