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# Authors: Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2007 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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; version 2 only
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import sys
sys.path.insert(0, ".")
sys.path.insert(0, "..")
import ldap
from ipa_server.context import context
import ipautil
# temporary
import krbV
krbctx = krbV.default_context()
realm = krbctx.default_realm
basedn = ipautil.realm_to_suffix(realm)
def convert_entry(ent):
entry = dict(ent.data)
entry['dn'] = ent.dn
# For now convert single entry lists to a string for the ui.
# TODO: we need to deal with multi-values better
for key,value in entry.iteritems():
if isinstance(value,list) or isinstance(value,tuple):
if len(value) == 0:
entry[key] = ''
elif len(value) == 1:
entry[key] = value[0]
return entry
def convert_scalar_values(orig_dict):
"""LDAP update dicts expect all values to be a list (except for dn).
This method converts single entries to a list."""
new_dict={}
for (k,v) in orig_dict.iteritems():
if not isinstance(v, list) and k != 'dn':
v = [v]
new_dict[k] = v
return new_dict
# TODO: rethink the get_entry vs get_list API calls.
# they currently restrict the data coming back without
# restricting scope. For now adding a get_base/sub_entry()
# calls, but the API isn't great.
def get_entry (base, scope, searchfilter, sattrs=None):
"""Get a specific entry (with a parametized scope).
Return as a dict of values.
Multi-valued fields are represented as lists.
"""
ent=""
ent = context.conn.getConn().getEntry(base, scope, searchfilter, sattrs)
return convert_entry(ent)
def get_base_entry (base, searchfilter, sattrs=None):
"""Get a specific entry (with a scope of BASE).
Return as a dict of values.
Multi-valued fields are represented as lists.
"""
return get_entry(base, ldap.SCOPE_BASE, searchfilter, sattrs)
def get_sub_entry (base, searchfilter, sattrs=None):
"""Get a specific entry (with a scope of SUB).
Return as a dict of values.
Multi-valued fields are represented as lists.
"""
return get_entry(base, ldap.SCOPE_SUBTREE, searchfilter, sattrs)
def get_list (base, searchfilter, sattrs=None):
"""Gets a list of entries. Each is converted to a dict of values.
Multi-valued fields are represented as lists.
"""
entries = []
entries = context.conn.getConn().getList(base, ldap.SCOPE_SUBTREE, searchfilter, sattrs)
return map(convert_entry, entries)
def update_entry (oldentry, newentry):
"""Update an LDAP entry
oldentry is a dict
newentry is a dict
"""
oldentry = convert_scalar_values(oldentry)
newentry = convert_scalar_values(newentry)
# Should be able to get this from either the old or new entry
# but just in case someone has decided to try changing it, use the
# original
try:
moddn = oldentry['dn']
except KeyError, e:
# FIXME: return a missing DN error message
raise e
res = context.conn.getConn().updateEntry(moddn, oldentry, newentry)
return res
def uniq_list(x):
"""Return a unique list, preserving order and ignoring case"""
myset = {}
return [set.setdefault(e.lower(),e) for e in x if e.lower() not in myset]
def get_schema():
"""Retrieves the current LDAP schema from the LDAP server."""
schema_entry = get_base_entry("", "objectclass=*", ['dn','subschemasubentry'])
schema_cn = schema_entry.get('subschemasubentry')
schema = get_base_entry(schema_cn, "objectclass=*", ['*'])
return schema
def get_objectclasses():
"""Returns a list of available objectclasses that the LDAP
server supports. This parses out the syntax, attributes, etc
and JUST returns a lower-case list of the names."""
schema = get_schema()
objectclasses = schema.get('objectclasses')
# Convert this list into something more readable
result = []
for i in range(len(objectclasses)):
oc = objectclasses[i].lower().split(" ")
result.append(oc[3].replace("'",""))
return result
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