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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
# kpov_util should be imported by add_assignment.py
# Poveži se na strežnik LDAP prek spletnega vmesnika. Ustvari uporabnika z danim imenom in geslom.
# Napiši skripto, ki izpiše podatke o tem uporabniku z ldapsearch.
# TODO: finish this!
instructions = {
'si':"""
Ustvari dva navidezna računalnika - SimpleArbiter z diskom simpleArbiterDhcp
ter LDAPServer.
Na LDAPServer namesti strežnik LDAP. Strežnik naj skrbi za domeno
DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
V imeniku ustvari uporabnika
CN={LDAP_USERNAME},ou=users,DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
z geslom {LDAP_PASSWORD} in uporabnika
CN={BIND_USERNAME},ou=users,DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
z geslom {BIND_PASSWORD}
Poskrbi, da se bo lahko klient s simpleArbiterDhcp povezal na LDAP strežnik na LDAPServer.
V primeru, da se klient poveže kot {BIND_USERNAME} z geslom {BIND_PASSWORD},
naj strežnik omogoči spreminjanje podatkov za objekt
CN={LDAP_USERNAME},ou=users,DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
ter ustvarjanje novih objektov v DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
CN = Common Name
O = Organization
OU = Organizational Unit
DC = Domain Component
""",
'en': """
Create two virtual machines - SimpleArbiter using the disk simpleArbiterDhcp
and LDAPServer.
Set up an LDAP server on LDAPServer. Make it responsible for
DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
Create a user
CN={LDAP_USERNAME},ou=users,DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
with the password {LDAP_PASSWORD} and a user
CN={BIND_USERNAME},ou=users,DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
with the password {LDAP_PASSWORD} .
Make sure that a client from simpleArbiterDhcp can connect to the LDAP server on
LDAPServer. If the client identifies themself as {BIND_USERNAME} with the password
{BIND_PASSWORD}, allow it to change data for the object
CN={LDAP_USERNAME},ou=users,DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
and to create objects in DC={DOMAIN},DC=kpov,DC=lusy,DC=fri,DC=uni-lj,DC=si
CN = Common Name
O = Organization
OU = Organizational Unit
DC = Domain Component
"""
}
computers = {
'LDAPServer': {
'disks': [
{ 'name': 'student-LDAPServer',
},
#{ 'name': 'CDROM',
# 'options':{'readonly': True},
# 'parts': [],# no parts, no mounting.
#}
],
'network_interfaces': [{'network': 'net1'}],
'flavor': 'm1.tiny',
'config_drive': False
},
'SimpleArbiter': {
'disks': [
{ 'name': 'simpleArbiterDhcpGWLDAP',
# attempt automount
},
#{ 'name': 'CDROM',
# 'options': {'readonly': True},
# 'parts': [{'dev': 'b1', 'path': '/cdrom'}],
#},
],
'network_interfaces': [{'network': 'net1'}, {'network': 'test-net'}],
'flavor': 'm1.tiny',
'config_drive': False
}
}
networks = { 'net1': {'public': False}, 'test-net': {'public': True} }
params_meta = {
'LDAP_IP': {'descriptions': {'si': 'IP strežnika', 'en': 'Server IP'}, 'w': True, 'public':True, 'type': 'IP', 'generated': False},
'DOMAIN': {'descriptions': {'si': 'Domena (poddomena kpov.lusy.fri.uni-lj.si)', 'en': 'Domain (subdomain of kpov.lusy.fri.uni-lj.si)'}, 'w': False, 'public':True, 'type': 'username', 'generated': True},
'LDAP_USERNAME': {'descriptions': {'si': 'Uporabniško ime v LDAP', 'en': 'Username in LDAP'}, 'w': False, 'public':True, 'type': 'username', 'generated': True},
'LDAP_PASSWORD': {'descriptions': {'si': 'Geslo v LDAP', 'en': 'LDAP password'}, 'w': False, 'public':True, 'type': 'password', 'generated': True},
'BIND_USERNAME': {'descriptions': {'si': 'Uporabniško ime za dostop do LDAP (bind)', 'en': 'Bind username in LDAP'}, 'w': False, 'public':True, 'type': 'username', 'generated': True},
'BIND_PASSWORD': {'descriptions': {'si': 'Geslo za dostop do LDAP (bind)', 'en': 'Bind password in LDAP'}, 'w': False, 'public':True, 'type': 'password', 'generated': True},
}
def task(LDAP_IP, DOMAIN, LDAP_USERNAME, LDAP_PASSWORD, BIND_USERNAME, BIND_PASSWORD):
from pexpect import pxssh
import pexpect
results = dict()
FULLDOMAIN = "dc={DOMAIN},dc=kpov,dc=lusy,dc=fri,dc=uni-lj,dc=si".format(
**locals())
BIND_DN = "cn={BIND_USERNAME},ou=Users,{FULLDOMAIN}".format(**locals())
s = "ldapsearch -D {BIND_DN} -b {FULLDOMAIN} -w {BIND_PASSWORD}\
-h {LDAP_IP}".format(
**locals())
results['ldapsearch_before'] = pexpect.run(s)
s = "ldapmodify -D {BIND_DN} -w {BIND_PASSWORD} -h {LDAP_IP}".format(
**locals())
modify = pexpect.spawn(s)
FORTUNE = kpov_util.hostname_gen(random.Random(str(LDAP_USERNAME)))
results['fortune'] = FORTUNE
s1 = """
dn: cn={LDAP_USERNAME},ou=Users,{FULLDOMAIN}
changetype: modify
replace: description
description: {FORTUNE}
""".format(**locals())
modify.write(s1)
modify.sendeof()
modify.expect(pexpect.EOF)
results['modify'] = modify.before
s = "ldapsearch -D {BIND_DN} -b {FULLDOMAIN} -w {BIND_PASSWORD}\
-h {LDAP_IP}".format(**locals())
results['ldapsearch_after'] = pexpect.run(s)
return results
def gen_params(user_id, params_meta):
params = dict()
r = random.Random(user_id)
params['DOMAIN'] = kpov_util.hostname_gen(r)
params['LDAP_USERNAME'] = kpov_util.username_gen(r)
params['LDAP_PASSWORD'] = kpov_util.alnum_gen(r, 6)
params['BIND_USERNAME'] = kpov_util.username_gen(r)
params['BIND_PASSWORD'] = kpov_util.alnum_gen(r, 6)
return params
def task_check(results, params):
import re
score = 0
hints = []
s = """.*dn: dc={DOMAIN},dc=kpov,dc=lusy,dc=fri,dc=uni-lj,dc=si\r[^#]*
objectClass: top\r
objectClass: dcObject\r
objectClass: organization\r
.*""".format(**params)
#dc: {DOMAIN}\r
if re.match(s, results['ldapsearch_before'], re.DOTALL):
score += 2
else:
hints += ["domain missing in ldapsearch result"]
s = ".*cn: {}.*".format(re.escape(params['LDAP_USERNAME']))
if re.search(s, results['ldapsearch_before']):
score += 2
else:
hints += ["LDAP_USERNAME missing in: " + s + str(results['ldapsearch_before'])]
fortune = kpov_util.hostname_gen(random.Random(str(params['LDAP_USERNAME'])))
s = ".*cn: {0}.*description: {1}.*".format(
re.escape(params['LDAP_USERNAME']), re.escape(fortune))
if re.match(s, results['ldapsearch_after'], re.DOTALL):
score += 2
else:
hints += ["description missing after update:" + fortune + "\n" + s + str(results['modify']) + str(results['ldapsearch_after'])]
if results['ldapsearch_before'][:100] == results['ldapsearch_after'][:100]:
score += 2
else:
hints += ["ldapsearch before equals after. This should not happen."]
s = '.*\r\nmodifying entry "cn={LDAP_USERNAME},ou=Users,dc={DOMAIN},dc=kpov,dc=lusy,dc=fri,dc=uni-lj,dc=si".*'.format(
**params)
if re.match(s, results['modify'], re.DOTALL):
score += 2
else:
hints += ['Modify error' + s + str(results['modify'])]
return score, hints
def prepare_disks(templates, task_params, global_params):
write_default_config(templates['simpleArbiterDhcpGWLDAP'], global_params)
|
