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Diffstat (limited to 'tasks/openvpn_multiple_hops/task.py')
| -rw-r--r-- | tasks/openvpn_multiple_hops/task.py | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/tasks/openvpn_multiple_hops/task.py b/tasks/openvpn_multiple_hops/task.py new file mode 100644 index 0000000..44ad8c4 --- /dev/null +++ b/tasks/openvpn_multiple_hops/task.py @@ -0,0 +1,317 @@ +# kpov_util should be imported by add_assignment.py + +instructions = { + 'si':""" +<pre>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.</pre> +""" +} + +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) |