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# kpov_util should be imported by add_assignment.py
instructions = {
'si':"""
Postavi 4 navidezne računalnike - SimpleArbiter z diska simpleArbiterDhcp, A, B ter C.
Na računalnikih A, B in C ustvari uporabnika test z geslom test.
Poskrbi, da bodo vsi štirje na istem navideznem fizičnem omrežju. Naslov omrežja (NET_PHYS) ter naslove
(IP_A, IP_B, IP_C) preberi na SimpleArbiter. S pomočjo OpenVPN postavi navidezno omrežje med A in B na naslovih NET_VPN1.
Nato s pomočjo OpenVPN postavi še navidezno omrežje med B in C na naslovih NET_VPN2.
Poskrbi, da bo promet z A prek VPN prišel do C in obratno. Za avtentikacijo uporabi skupne skrivnosti, ki
jih prebereš na SimpleArbiter - med A in B SECRET_AB ter med B in C SECRET_BC.
"""
}
computers = {
'SimpleArbiter': {
'disks': [
{
'name': 'simpleArbiterDhcp',
}
],
'network_interfaces': [
{
'network': 'nat'
},
{
'network': 'net1'
}
],
'flavor': 'm1.tiny',
'config_drive': False
},
'VPNClient1': {
'disks': [
{
'name': 'student-VPNClient1',
}
],
'network_interfaces': [
{
'network': 'net1'
},
{
'network': 'vpnAB'
}
],
'flavor': 'm1.tiny',
'config_drive': False
},
'VPNClient2': {
'disks': [
{
'name': 'student-VPNClient2',
}
],
'network_interfaces': [
{
'network': 'net1'
},
{
'network': 'vpnAB'
},
{
'network': 'vpnBC'
}
],
'flavor': 'm1.tiny',
'config_drive': False
},
'VPNClient3': {
'disks': [
{
'name': 'student-VPNClient3',
}
],
'network_interfaces': [
{
'network': 'net1'
},
{
'network': 'vpnBC'
}
],
'flavor': 'm1.tiny',
'config_drive': False
}
}
networks = {
'nat': {
'public': True
},
'net1': {
'public': True
},
# Used for VPN
'vpnAB': {
'public': False
},
'vpnBC': {
'public': False
}
}
#Tukaj sem generiral osem parametrov, prosil bi če se upoštevali pri Tasku.
params_meta = {
'IP_VPNClient1': {'descriptions':{'si':'IP klienta A na VPN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': True},
'IP_LANClient1': {'descriptions':{'si':'IP klienta A na LAN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': False},
'IP1_VPNClient2': {'descriptions':{'si':'1. IP klienta B na VPN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': True},
'IP2_VPNClient2': {'descriptions':{'si':'2. IP klienta B na VPN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': True},
'IP_LANClient2': {'descriptions':{'si':'IP klienta B na LAN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': False},
'IP_VPNClient3': {'descriptions':{'si':'IP klienta C na VPN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': True},
'IP_LANClient3': {'descriptions':{'si':'IP klienta C na LAN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': False},
'IP_SimpleArbiterLAN': {'descriptions':{'si':'IP za SimpleArbiter na LAN'}, 'w': True, 'public': True, 'type': 'IP', 'generated': False}
}
def task(IP_SimpleArbiterLAN, IP_VPNClient1, IP_LANClient1, IP1_VPNClient2, IP2_VPNClient2, IP_LANClient2, IP_VPNClient3, IP_LANClient3):
tests = {
('VPNClient1', IP_LANClient1): [
('VPNClient1_ping_C2', 'ping -c 3 {}'.format(IP1_VPNClient2)),
('VPNClient1_ping_C3', 'ping -c 3 {}'.format(IP_VPNClient3)),
('VPNClient1_traceroute_C3', 'traceroute {}'.format(IP_VPNClient3)),
],
('VPNClient2', IP_LANClient2): [
('VPNClient2_ping_C1', 'ping -c 3 {}'.format(IP_VPNClient1)),
('VPNClient2_ping_C3', 'ping -c 3 {}'.format(IP_VPNClient3)),
],
('VPNClient3', IP_LANClient3): [
('VPNClient3_ping_C1', 'ping -c 3 {}'.format(IP_VPNClient1)),
('VPNClient3_ping_C2', 'ping -c 3 {}'.format(IP2_VPNClient2)),
('VPNClient3_traceroute_C1', 'traceroute {}'.format(IP_VPNClient1)),
],
}
for (name, host), host_tests in tests.items():
host_tests += [
(name+'_ifconfig', '/sbin/ifconfig -a'),
(name+'_route', '/sbin/route -n'),
]
results = collections.defaultdict(str)
for (name, host), host_tests in tests.items():
results.update(kpov_util.ssh_test(host, 'test', 'test', host_tests))
return results
def gen_params(user_id, params_meta):
params = dict()
import random
r = random.Random(user_id)
net = kpov_util.IPv4_subnet_gen(r, '10.70.0.0/16', 24)
params['IP_VPNClient1'], params['IP1_VPNClient2'] = kpov_util.IPv4_addr_gen(r, net, 2)
net = kpov_util.IPv4_subnet_gen(r, '10.50.0.0/16', 24)
params['IP_VPNClient3'], params['IP2_VPNClient2'] = kpov_util.IPv4_addr_gen(r, net, 2)
return params
def task_check(results, params):
import re
score = 0
hints = []
IP_C1 = params['IP_VPNClient1'].replace('.', '\.')
IP1_C2 = params['IP1_VPNClient2'].replace('.', '\.')
IP2_C2 = params['IP2_VPNClient2'].replace('.', '\.')
IP_C3 = params['IP_VPNClient3'].replace('.', '\.')
# testi za ifconfig
# C1
rs = r"tun0.*\n.*inet.*{}".format(IP_C1)
if re.search(rs,
results['VPNClient1_ifconfig']):
score += 1
else:
hints.append("ifconfig on VPNClient1 is not OK")
pass
# C2
rs = r"tun.*\n.*inet.*{}".format(IP1_C2)
if re.search(rs, results['VPNClient2_ifconfig']):
rs = r"tun.*\n.*inet.*{}".format(IP2_C2)
if re.search(rs, results['VPNClient2_ifconfig']):
score += 1
else:
hints.append("ifconfig on VPNClient2 is not OK")
pass
else:
hints.append("ifconfig on VPNClient2 is not OK")
pass
# C3
rs = r"tun0.*\n.*inet.*{}".format(IP_C3)
if re.search(rs, results['VPNClient3_ifconfig']):
score += 1
else:
hints.append("ifconfig on VPNClient3 is not OK")
pass
# testi za route
# C1
rs = r"{}.*tun0".format(IP1_C2)
if IP_C3[:-1].endswith('.'):
ASD = IP_C3[:-1]+"0"
elif IP_C3[:-2].endswith('.'):
ASD = IP_C3[:-2]+"0"
else:
ASD = IP_C3[:-3]+"0"
if re.search(rs, results['VPNClient1_route']):
rs = r"{} {}.*tun0".format(ASD, IP1_C2)
if re.search(rs, results['VPNClient1_route']):
score += 1
else:
hints.append("route on VPNClient1 is not OK")
else:
hints.append("route on VPNClient1 is not OK")
pass
# C2
rs = r"{}.*tun".format(IP_C1)
if re.search(rs, results['VPNClient2_route']):
rs = r"{}.*tun".format(IP_C3)
if re.search(rs, results['VPNClient2_route']):
score += 1
else:
hints.append("route on VPNClient2 is not OK")
else:
hints.append("route on VPNClient2 is not OK")
pass
# C3
rs = r"{}.*tun0".format(IP2_C2)
if IP_C1[:-1].endswith('.'):
ASD = IP_C1[:-1]+"0"
elif IP_C1[:-2].endswith('.'):
ASD = IP_C1[:-2]+"0"
else:
ASD = IP_C1[:-3]+"0"
if re.search(rs, results['VPNClient3_route']):
rs = r"{} {}.*tun0".format(ASD, IP2_C2)
if re.search(rs, results['VPNClient3_route']):
score += 1
else:
hints.append("route on VPNClient3 is not OK")
else:
hints.append("route on VPNClient3 is not OK")
pass
# testi za ping
# C1
rs = r"64 bytes from {}: icmp_seq=[0-9]+ ttl=[0-9]+ time=\d+\.\d+ ms".format(IP1_C2)
if re.search(rs, results['VPNClient1_ping_C2']):
score += 0.5
else:
hints.append("ping from VPNClient1 to VPNClient2 is not OK")
pass
rs = r"64 bytes from {}: icmp_seq=[0-9]+ ttl=[0-9]+ time=\d+\.\d+ ms".format(IP_C3)
if re.search(rs, results['VPNClient1_ping_C3']):
score += 0.5
else:
hints.append("ping from VPNClient1 to VPNClient3 is not OK")
pass
# C2
rs = r"64 bytes from {}: icmp_seq=[0-9]+ ttl=[0-9]+ time=\d+\.\d+ ms".format(IP_C1)
if re.search(rs, results['VPNClient2_ping_C1']):
score += 0.5
else:
hints.append("ping from VPNClient2 to VPNClient1 is not OK")
pass
rs = r"64 bytes from {}: icmp_seq=[0-9]+ ttl=[0-9]+ time=\d+\.\d+ ms".format(IP_C3)
if re.search(rs, results['VPNClient2_ping_C3']):
score += 0.5
else:
hints.append("ping from VPNClient2 to VPNClient3 is not OK")
pass
# C3
rs = r"64 bytes from {}: icmp_seq=[0-9]+ ttl=[0-9]+ time=\d+\.\d+ ms".format(IP_C1)
if re.search(rs, results['VPNClient3_ping_C1']):
score += 0.5
else:
hints.append("ping from VPNClient3 to VPNClient1 is not OK")
pass
rs = r"64 bytes from {}: icmp_seq=1 ttl=[0-9]+ time=\d+\.\d+ ms".format(IP2_C2)
if re.search(rs, results['VPNClient3_ping_C2']):
score += 0.5
else:
hints.append("ping from VPNClient3 to VPNClient2 is not OK")
pass
#score = int(score)
# testi za tracetoute
# C1
rs = r"1 {}".format(IP1_C2)
if re.search(rs, results['VPNClient1_traceroute_C3']):
rs = r"2 {}".format(IP_C3)
if re.search(rs, results['VPNClient1_traceroute_C3']):
score += 1
else:
hints.append("traceroute from VPNClient1 to VPNClient3 is not OK")
pass
else:
hints.append("traceroute from VPNClient1 to VPNClient3 is not OK")
pass
# C3
rs = r"1 {}".format(IP2_C2)
if re.search(rs, results['VPNClient3_traceroute_C1']):
rs = r"2 {}".format(IP_C1)
if re.search(rs, results['VPNClient3_traceroute_C1']):
score += 1
else:
hints.append("traceroute from VPNClient1 to VPNClient3 is not OK")
pass
else:
hints.append("traceroute from VPNClient1 to VPNClient3 is not OK")
pass
if score > 10 :
score -= 1
score = int(score)
return score, hints
def prepare_disks(templates, task_params, global_params):
write_default_config(templates['simpleArbiterDhcp'], global_params)
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