Patch for "posixGroup" support in `Products.LDAPUserFolder` 2.26 based on http://davidjb.com/blog/2010/06/plonezope-using-ldapuserfolder-with-posixgroups/

buildout.cfg

[buildout]
...
parts =
    ...
    patches

...

[patches]
recipe = collective.recipe.patch
egg = Products.LDAPUserFolder
patches = ldap-posixGroup-support.patch

ldap-posixGroup-support.patch

diff --git a/Products/LDAPUserFolder/LDAPUserFolder.py b/Products/LDAPUserFolder/LDAPUserFolder.py
index c570679..19daae2 100644
--- Products/LDAPUserFolder/LDAPUserFolder.py
+++ Products/LDAPUserFolder/LDAPUserFolder.py
@@ -963,6 +963,8 @@ class LDAPUserFolder(BasicUserFolder):
 
         for dn in all_dns.keys():
             try:
+                if 'uid=' not in dn:
+                    dn = 'uid=%s,%s' % (dn, self.users_base)
                 user = self.getUserByDN(to_utf8(dn))
             except:
                 user = None
@@ -1228,6 +1230,8 @@ class LDAPUserFolder(BasicUserFolder):
                 f_template = '(&(objectClass=%s)(%s=%s))'
                 group_filter = '(|'
 
+                dn = dn.replace('uid=', '').replace(',' + self.users_base, '')
+
                 for g_name, m_name in GROUP_MEMBER_MAP.items():
                     fltr = filter_format(f_template, (g_name, m_name, dn))
                     group_filter += fltr
diff --git a/Products/LDAPUserFolder/utils.py b/Products/LDAPUserFolder/utils.py
index 83d6f95..f6de93f 100644
--- Products/LDAPUserFolder/utils.py
+++ Products/LDAPUserFolder/utils.py
@@ -47,6 +47,7 @@ GROUP_MEMBER_MAP = { 'groupOfUniqueNames' : 'uniqueMember'
                    , 'accessGroup' : 'member'
                    , 'group' : 'member'
                    , 'univentionGroup' : 'uniqueMember'
+                   , 'posixGroup' : 'memberUid'
                    }
 
 GROUP_MEMBER_ATTRIBUTES = Set(list(GROUP_MEMBER_MAP.values()))