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
|
# implements https://github.com/scionproto/scion/blob/27983125bccac6b84d1f96f406853aab0e460405/doc/tutorials/deploy.rst
import ../../make-test-python.nix ({ pkgs, ... }:
let
trust-root-configuration-keys = pkgs.runCommand "generate-trc-keys.sh" {
buildInputs = [
pkgs.scion
];
} ''
set -euo pipefail
mkdir /tmp/tutorial-scion-certs && cd /tmp/tutorial-scion-certs
mkdir AS{1..5}
# Create voting and root keys and (self-signed) certificates for core ASes
pushd AS1
scion-pki certificate create --not-after=3650d --profile=sensitive-voting <(echo '{"isd_as": "42-ffaa:1:1", "common_name": "42-ffaa:1:1 sensitive voting cert"}') sensitive-voting.pem sensitive-voting.key
scion-pki certificate create --not-after=3650d --profile=regular-voting <(echo '{"isd_as": "42-ffaa:1:1", "common_name": "42-ffaa:1:1 regular voting cert"}') regular-voting.pem regular-voting.key
scion-pki certificate create --not-after=3650d --profile=cp-root <(echo '{"isd_as": "42-ffaa:1:1", "common_name": "42-ffaa:1:1 cp root cert"}') cp-root.pem cp-root.key
popd
pushd AS2
scion-pki certificate create --not-after=3650d --profile=cp-root <(echo '{"isd_as": "42-ffaa:1:2", "common_name": "42-ffaa:1:2 cp root cert"}') cp-root.pem cp-root.key
popd
pushd AS3
scion-pki certificate create --not-after=3650d --profile=sensitive-voting <(echo '{"isd_as": "42-ffaa:1:3", "common_name": "42-ffaa:1:3 sensitive voting cert"}') sensitive-voting.pem sensitive-voting.key
scion-pki certificate create --not-after=3650d --profile=regular-voting <(echo '{"isd_as": "42-ffaa:1:3", "common_name": "42-ffaa:1:3 regular voting cert"}') regular-voting.pem regular-voting.key
popd
# Create the TRC (Trust Root Configuration)
mkdir tmp
echo '
isd = 42
description = "Demo ISD 42"
serial_version = 1
base_version = 1
voting_quorum = 2
core_ases = ["ffaa:1:1", "ffaa:1:2", "ffaa:1:3"]
authoritative_ases = ["ffaa:1:1", "ffaa:1:2", "ffaa:1:3"]
cert_files = ["AS1/sensitive-voting.pem", "AS1/regular-voting.pem", "AS1/cp-root.pem", "AS2/cp-root.pem", "AS3/sensitive-voting.pem", "AS3/regular-voting.pem"]
[validity]
not_before = '$(date +%s)'
validity = "365d"' \
> trc-B1-S1-pld.tmpl
scion-pki trc payload --out=tmp/ISD42-B1-S1.pld.der --template trc-B1-S1-pld.tmpl
rm trc-B1-S1-pld.tmpl
# Sign and bundle the TRC
scion-pki trc sign tmp/ISD42-B1-S1.pld.der AS1/sensitive-voting.{pem,key} --out tmp/ISD42-B1-S1.AS1-sensitive.trc
scion-pki trc sign tmp/ISD42-B1-S1.pld.der AS1/regular-voting.{pem,key} --out tmp/ISD42-B1-S1.AS1-regular.trc
scion-pki trc sign tmp/ISD42-B1-S1.pld.der AS3/sensitive-voting.{pem,key} --out tmp/ISD42-B1-S1.AS3-sensitive.trc
scion-pki trc sign tmp/ISD42-B1-S1.pld.der AS3/regular-voting.{pem,key} --out tmp/ISD42-B1-S1.AS3-regular.trc
scion-pki trc combine tmp/ISD42-B1-S1.AS{1,3}-{sensitive,regular}.trc --payload tmp/ISD42-B1-S1.pld.der --out ISD42-B1-S1.trc
rm tmp -r
# Create CA key and certificate for issuing ASes
pushd AS1
scion-pki certificate create --profile=cp-ca <(echo '{"isd_as": "42-ffaa:1:1", "common_name": "42-ffaa:1:1 CA cert"}') cp-ca.pem cp-ca.key --ca cp-root.pem --ca-key cp-root.key
popd
pushd AS2
scion-pki certificate create --profile=cp-ca <(echo '{"isd_as": "42-ffaa:1:2", "common_name": "42-ffaa:1:2 CA cert"}') cp-ca.pem cp-ca.key --ca cp-root.pem --ca-key cp-root.key
popd
# Create AS key and certificate chains
scion-pki certificate create --profile=cp-as <(echo '{"isd_as": "42-ffaa:1:1", "common_name": "42-ffaa:1:1 AS cert"}') AS1/cp-as.pem AS1/cp-as.key --ca AS1/cp-ca.pem --ca-key AS1/cp-ca.key --bundle
scion-pki certificate create --profile=cp-as <(echo '{"isd_as": "42-ffaa:1:2", "common_name": "42-ffaa:1:2 AS cert"}') AS2/cp-as.pem AS2/cp-as.key --ca AS2/cp-ca.pem --ca-key AS2/cp-ca.key --bundle
scion-pki certificate create --profile=cp-as <(echo '{"isd_as": "42-ffaa:1:3", "common_name": "42-ffaa:1:3 AS cert"}') AS3/cp-as.pem AS3/cp-as.key --ca AS1/cp-ca.pem --ca-key AS1/cp-ca.key --bundle
scion-pki certificate create --profile=cp-as <(echo '{"isd_as": "42-ffaa:1:4", "common_name": "42-ffaa:1:4 AS cert"}') AS4/cp-as.pem AS4/cp-as.key --ca AS1/cp-ca.pem --ca-key AS1/cp-ca.key --bundle
scion-pki certificate create --profile=cp-as <(echo '{"isd_as": "42-ffaa:1:5", "common_name": "42-ffaa:1:5 AS cert"}') AS5/cp-as.pem AS5/cp-as.key --ca AS2/cp-ca.pem --ca-key AS2/cp-ca.key --bundle
for i in {1..5}
do
mkdir -p $out/AS$i
cp AS$i/cp-as.{key,pem} $out/AS$i
done
mv *.trc $out
'';
imports = hostId: [
({
services.scion = {
enable = true;
bypassBootstrapWarning = true;
};
networking = {
useNetworkd = true;
useDHCP = false;
};
systemd.network.networks."01-eth1" = {
name = "eth1";
networkConfig.Address = "192.168.1.${toString hostId}/24";
};
environment.etc = {
"scion/topology.json".source = ./topology${toString hostId}.json;
"scion/crypto/as".source = trust-root-configuration-keys + "/AS${toString hostId}";
"scion/certs/ISD42-B1-S1.trc".source = trust-root-configuration-keys + "/ISD42-B1-S1.trc";
"scion/keys/master0.key".text = "U${toString hostId}v4k23ZXjGDwDofg/Eevw==";
"scion/keys/master1.key".text = "dBMko${toString hostId}qMS8DfrN/zP2OUdA==";
};
environment.systemPackages = [
pkgs.scion
];
})
];
in
{
name = "scion-test";
nodes = {
scion01 = { ... }: {
imports = (imports 1);
};
scion02 = { ... }: {
imports = (imports 2);
};
scion03 = { ... }: {
imports = (imports 3);
};
scion04 = { ... }: {
imports = (imports 4);
};
scion05 = { ... }: {
imports = (imports 5);
};
};
testScript = let
pingAll = pkgs.writeShellScript "ping-all-scion.sh" ''
addresses="42-ffaa:1:1 42-ffaa:1:2 42-ffaa:1:3 42-ffaa:1:4 42-ffaa:1:5"
timeout=100
wait_for_all() {
for as in "$@"
do
scion showpaths $as --no-probe > /dev/null
return 1
done
return 0
}
ping_all() {
for as in "$@"
do
scion ping "$as,127.0.0.1" -c 3
done
return 0
}
for i in $(seq 0 $timeout); do
wait_for_all $addresses && exit 0
ping_all $addresses && exit 0
sleep 1
done
'';
in
''
# List of AS instances
machines = [scion01, scion02, scion03, scion04, scion05]
# Wait for scion-control.service on all instances
for i in machines:
i.wait_for_unit("scion-control.service")
# Execute pingAll command on all instances
for i in machines:
i.succeed("${pingAll} >&2")
# Restart scion-dispatcher and ping again to test robustness
for i in machines:
i.succeed("systemctl restart scion-dispatcher >&2")
i.succeed("${pingAll} >&2")
'';
})
|