1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
# passwd.py - lookup functions for user account information
#
# Copyright (C) 2010, 2011 Arthur de Jong
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA
import ldap
import ldap.filter
import constants
import common
attmap = common.Attributes(uid='uid',
userPassword='"*"',
uidNumber='uidNumber',
gidNumber='gidNumber',
gecos='"${gecos:-$cn}"',
homeDirectory='homeDirectory',
loginShell='loginShell',
objectClass='objectClass')
filter = '(objectClass=posixAccount)'
bases = ( 'ou=people,dc=test,dc=tld', )
class PasswdRequest(common.Request):
def write(self, dn, attributes, parameters):
# get uid attribute and check against requested user name
names = attributes['uid']
if 'uid' in parameters:
if parameters['uid'] not in names:
return
names = ( parameters['uid'], )
# get user password entry
if 'shadowAccount' in attributes['objectClass']:
passwd = 'x'
else:
passwd = attributes['userPassword'][0]
# get numeric user and group ids
uids = ( parameters['uidNumber'], ) if 'uidNumber' in parameters else attributes['uidNumber']
uids = [ int(x) for x in uids ]
# get other passwd properties
gid = int(attributes['gidNumber'][0])
gecos = attributes['gecos'][0]
home = attributes['homeDirectory'][0]
shell = attributes['loginShell'][0]
# write results
for name in names:
if not common.isvalidname(name):
print 'Warning: passwd entry %s contains invalid user name: "%s"' % ( dn, name )
else:
for uid in uids:
self.fp.write_int32(constants.NSLCD_RESULT_BEGIN)
self.fp.write_string(name)
self.fp.write_string(passwd)
self.fp.write_uid_t(uid)
self.fp.write_gid_t(gid)
self.fp.write_string(gecos)
self.fp.write_string(home)
self.fp.write_string(shell)
class PasswdByNameRequest(PasswdRequest):
action = constants.NSLCD_ACTION_PASSWD_BYNAME
def read_parameters(self, fp):
name = fp.read_string()
common.validate_name(name)
return dict(uid=name)
class PasswdByUidRequest(PasswdRequest):
action = constants.NSLCD_ACTION_PASSWD_BYUID
def read_parameters(self, fp):
return dict(uidNumber=fp.read_uid_t())
class PasswdAllRequest(PasswdRequest):
action = constants.NSLCD_ACTION_PASSWD_ALL
# FIXME: have something in common that does this
def do_search(conn, flt=None, base=None):
mybases = ( base, ) if base else bases
flt = flt or filter
import cfg
# perform a search for each search base
for base in mybases:
# do the LDAP search
try:
scope = locals().get('scope', cfg.scope)
res = conn.search_s(base, scope, flt, [attmap['uid']])
for entry in res:
if entry[0]:
yield entry
except ldap.NO_SUCH_OBJECT:
# FIXME: log message
pass
def uid2entry(conn, uid):
"""Look up the user by uid and return the LDAP entry or None if the user
was not found."""
myfilter = '(&%s(%s=%s))' % ( filter,
attmap['uid'], ldap.filter.escape_filter_chars(uid) )
for dn, attributes in do_search(conn, myfilter):
if uid in attributes[attmap['uid']]:
return dn, attributes
def uid2dn(conn, uid):
"""Look up the user by uid and return the DN or None if the user was
not found."""
x = uid2entry(conn, uid)
if x is not None:
return x[0]
# FIXME: use cache of dn2uid and try to use DN to get uid attribute
def dn2uid(conn, dn):
"""Look up the user by dn and return a uid or None if the user was
not found."""
try:
for dn, attributes in do_search(conn, base=dn):
return attributes[attmap['uid']][0]
except ldap.NO_SUCH_OBJECT:
return None
|