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9260b9d1 TD |
1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be> | |
54461153 | 3 | ;;; Copyright © 2017, 2020 Marius Bakke <marius@gnu.org> |
b0f951e4 | 4 | ;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com> |
9926b8f8 | 5 | ;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net> |
9260b9d1 TD |
6 | ;;; |
7 | ;;; This file is part of GNU Guix. | |
8 | ;;; | |
9 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
10 | ;;; under the terms of the GNU General Public License as published by | |
11 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
12 | ;;; your option) any later version. | |
13 | ;;; | |
14 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
15 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;;; GNU General Public License for more details. | |
18 | ;;; | |
19 | ;;; You should have received a copy of the GNU General Public License | |
20 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
21 | ||
22 | (define-module (gnu tests networking) | |
23 | #:use-module (gnu tests) | |
24 | #:use-module (gnu system) | |
9260b9d1 TD |
25 | #:use-module (gnu system vm) |
26 | #:use-module (gnu services) | |
d94e81db | 27 | #:use-module (gnu services base) |
9260b9d1 TD |
28 | #:use-module (gnu services networking) |
29 | #:use-module (guix gexp) | |
30 | #:use-module (guix store) | |
31 | #:use-module (guix monads) | |
32 | #:use-module (gnu packages bash) | |
9926b8f8 | 33 | #:use-module (gnu packages linux) |
671dbdb9 MB |
34 | #:use-module (gnu packages networking) |
35 | #:use-module (gnu services shepherd) | |
9926b8f8 AI |
36 | #:use-module (ice-9 match) |
37 | #:export (%test-inetd %test-openvswitch %test-dhcpd %test-tor %test-iptables)) | |
9260b9d1 TD |
38 | |
39 | (define %inetd-os | |
40 | ;; Operating system with 2 inetd services. | |
892d9089 | 41 | (simple-operating-system |
39d7fdce | 42 | (service dhcp-client-service-type) |
892d9089 LC |
43 | (service inetd-service-type |
44 | (inetd-configuration | |
45 | (entries (list | |
46 | (inetd-entry | |
47 | (name "echo") | |
48 | (socket-type 'stream) | |
49 | (protocol "tcp") | |
50 | (wait? #f) | |
51 | (user "root")) | |
52 | (inetd-entry | |
53 | (name "dict") | |
54 | (socket-type 'stream) | |
55 | (protocol "tcp") | |
56 | (wait? #f) | |
57 | (user "root") | |
58 | (program (file-append bash | |
59 | "/bin/bash")) | |
60 | (arguments | |
61 | (list "bash" (plain-file "my-dict.sh" "\ | |
9260b9d1 TD |
62 | while read line |
63 | do | |
64 | if [[ $line =~ ^DEFINE\\ (.*)$ ]] | |
65 | then | |
66 | case ${BASH_REMATCH[1]} in | |
67 | Guix) | |
68 | echo GNU Guix is a package management tool for the GNU system. | |
69 | ;; | |
70 | G-expression) | |
71 | echo Like an S-expression but with a G. | |
72 | ;; | |
73 | *) | |
74 | echo NO DEFINITION FOUND | |
75 | ;; | |
76 | esac | |
77 | else | |
78 | echo ERROR | |
79 | fi | |
892d9089 | 80 | done" )))))))))) |
9260b9d1 TD |
81 | |
82 | (define* (run-inetd-test) | |
83 | "Run tests in %INETD-OS, where the inetd service provides an echo service on | |
84 | port 7, and a dict service on port 2628." | |
8b113790 LC |
85 | (define os |
86 | (marionette-operating-system %inetd-os)) | |
9260b9d1 | 87 | |
8b113790 LC |
88 | (define vm |
89 | (virtual-machine | |
90 | (operating-system os) | |
91 | (port-forwardings `((8007 . 7) | |
92 | (8628 . 2628))))) | |
9260b9d1 | 93 | |
8b113790 LC |
94 | (define test |
95 | (with-imported-modules '((gnu build marionette)) | |
96 | #~(begin | |
97 | (use-modules (ice-9 rdelim) | |
98 | (srfi srfi-64) | |
99 | (gnu build marionette)) | |
100 | (define marionette | |
101 | (make-marionette (list #$vm))) | |
9260b9d1 | 102 | |
8b113790 LC |
103 | (mkdir #$output) |
104 | (chdir #$output) | |
9260b9d1 | 105 | |
8b113790 | 106 | (test-begin "inetd") |
9260b9d1 | 107 | |
8b113790 LC |
108 | ;; Make sure the PID file is created. |
109 | (test-assert "PID file" | |
110 | (marionette-eval | |
111 | '(file-exists? "/var/run/inetd.pid") | |
112 | marionette)) | |
9260b9d1 | 113 | |
8b113790 LC |
114 | ;; Test the echo service. |
115 | (test-equal "echo response" | |
116 | "Hello, Guix!" | |
117 | (let ((echo (socket PF_INET SOCK_STREAM 0)) | |
118 | (addr (make-socket-address AF_INET INADDR_LOOPBACK 8007))) | |
119 | (connect echo addr) | |
120 | (display "Hello, Guix!\n" echo) | |
121 | (let ((response (read-line echo))) | |
122 | (close echo) | |
123 | response))) | |
9260b9d1 | 124 | |
8b113790 LC |
125 | ;; Test the dict service |
126 | (test-equal "dict response" | |
127 | "GNU Guix is a package management tool for the GNU system." | |
128 | (let ((dict (socket PF_INET SOCK_STREAM 0)) | |
129 | (addr (make-socket-address AF_INET INADDR_LOOPBACK 8628))) | |
130 | (connect dict addr) | |
131 | (display "DEFINE Guix\n" dict) | |
132 | (let ((response (read-line dict))) | |
133 | (close dict) | |
134 | response))) | |
135 | ||
136 | (test-end) | |
137 | (exit (= (test-runner-fail-count (test-runner-current)) 0))))) | |
138 | ||
139 | (gexp->derivation "inetd-test" test)) | |
9260b9d1 TD |
140 | |
141 | (define %test-inetd | |
142 | (system-test | |
143 | (name "inetd") | |
144 | (description "Connect to a host with an INETD server.") | |
145 | (value (run-inetd-test)))) | |
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146 | |
147 | \f | |
148 | ;;; | |
149 | ;;; Open vSwitch | |
150 | ;;; | |
151 | ||
152 | (define setup-openvswitch | |
153 | #~(let ((ovs-vsctl (lambda (str) | |
154 | (zero? (apply system* | |
155 | #$(file-append openvswitch "/bin/ovs-vsctl") | |
156 | (string-tokenize str))))) | |
157 | (add-native-port (lambda (if) | |
158 | (string-append "--may-exist add-port br0 " if | |
159 | " vlan_mode=native-untagged" | |
160 | " -- set Interface " if | |
161 | " type=internal")))) | |
162 | (and (ovs-vsctl "--may-exist add-br br0") | |
163 | ;; Connect eth0 as an "untagged" port (no VLANs). | |
164 | (ovs-vsctl "--may-exist add-port br0 eth0 vlan_mode=native-untagged") | |
165 | (ovs-vsctl (add-native-port "ovs0"))))) | |
166 | ||
167 | (define openvswitch-configuration-service | |
168 | (simple-service 'openvswitch-configuration shepherd-root-service-type | |
169 | (list (shepherd-service | |
170 | (provision '(openvswitch-configuration)) | |
171 | (requirement '(vswitchd)) | |
172 | (start #~(lambda () | |
173 | #$setup-openvswitch)) | |
174 | (respawn? #f))))) | |
175 | ||
176 | (define %openvswitch-os | |
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177 | (operating-system |
178 | (inherit (simple-operating-system | |
179 | (static-networking-service "ovs0" "10.1.1.1" | |
180 | #:netmask "255.255.255.252" | |
181 | #:requirement '(openvswitch-configuration)) | |
182 | (service openvswitch-service-type) | |
183 | openvswitch-configuration-service)) | |
184 | ;; Ensure the interface name does not change depending on the driver. | |
185 | (kernel-arguments (cons "net.ifnames=0" %default-kernel-arguments)))) | |
671dbdb9 MB |
186 | |
187 | (define (run-openvswitch-test) | |
188 | (define os | |
189 | (marionette-operating-system %openvswitch-os | |
190 | #:imported-modules '((gnu services herd)))) | |
191 | ||
192 | (define test | |
193 | (with-imported-modules '((gnu build marionette)) | |
194 | #~(begin | |
195 | (use-modules (gnu build marionette) | |
196 | (ice-9 popen) | |
197 | (ice-9 rdelim) | |
198 | (srfi srfi-64)) | |
199 | ||
200 | (define marionette | |
201 | (make-marionette (list #$(virtual-machine os)))) | |
202 | ||
203 | (mkdir #$output) | |
204 | (chdir #$output) | |
205 | ||
206 | (test-begin "openvswitch") | |
207 | ||
208 | ;; Make sure the bridge is created. | |
209 | (test-assert "br0 exists" | |
210 | (marionette-eval | |
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211 | '(zero? (system* #$(file-append openvswitch "/bin/ovs-vsctl") |
212 | "br-exists" "br0")) | |
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213 | marionette)) |
214 | ||
215 | ;; Make sure eth0 is connected to the bridge. | |
216 | (test-equal "eth0 is connected to br0" | |
217 | "br0" | |
218 | (marionette-eval | |
219 | '(begin | |
220 | (use-modules (ice-9 popen) (ice-9 rdelim)) | |
221 | (let* ((port (open-pipe* | |
222 | OPEN_READ | |
223 | (string-append #$openvswitch "/bin/ovs-vsctl") | |
224 | "port-to-br" "eth0")) | |
225 | (output (read-line port))) | |
226 | (close-pipe port) | |
227 | output)) | |
228 | marionette)) | |
229 | ||
230 | ;; Make sure the virtual interface got a static IP. | |
231 | (test-assert "networking has started on ovs0" | |
232 | (marionette-eval | |
233 | '(begin | |
234 | (use-modules (gnu services herd) | |
235 | (srfi srfi-1)) | |
236 | (live-service-running | |
237 | (find (lambda (live) | |
238 | (memq 'networking-ovs0 | |
239 | (live-service-provision live))) | |
240 | (current-services)))) | |
241 | marionette)) | |
242 | ||
243 | (test-end) | |
244 | (exit (= (test-runner-fail-count (test-runner-current)) 0))))) | |
245 | ||
246 | (gexp->derivation "openvswitch-test" test)) | |
247 | ||
248 | (define %test-openvswitch | |
249 | (system-test | |
250 | (name "openvswitch") | |
251 | (description "Test a running OpenvSwitch configuration.") | |
252 | (value (run-openvswitch-test)))) | |
f1104d90 CM |
253 | |
254 | \f | |
255 | ;;; | |
256 | ;;; DHCP Daemon | |
257 | ;;; | |
258 | ||
259 | (define minimal-dhcpd-v4-config-file | |
260 | (plain-file "dhcpd.conf" | |
261 | "\ | |
262 | default-lease-time 600; | |
263 | max-lease-time 7200; | |
264 | ||
265 | subnet 192.168.1.0 netmask 255.255.255.0 { | |
266 | range 192.168.1.100 192.168.1.200; | |
267 | option routers 192.168.1.1; | |
268 | option domain-name-servers 192.168.1.2, 192.168.1.3; | |
269 | option domain-name \"dummy.domain.name.abc123xyz\"; | |
270 | } | |
271 | ")) | |
272 | ||
273 | (define dhcpd-v4-configuration | |
274 | (dhcpd-configuration | |
275 | (config-file minimal-dhcpd-v4-config-file) | |
276 | (version "4") | |
ef0f5ff2 | 277 | (interfaces '("ens3")))) |
f1104d90 CM |
278 | |
279 | (define %dhcpd-os | |
280 | (simple-operating-system | |
ef0f5ff2 | 281 | (static-networking-service "ens3" "192.168.1.4" |
f1104d90 CM |
282 | #:netmask "255.255.255.0" |
283 | #:gateway "192.168.1.1" | |
284 | #:name-servers '("192.168.1.2" "192.168.1.3")) | |
285 | (service dhcpd-service-type dhcpd-v4-configuration))) | |
286 | ||
287 | (define (run-dhcpd-test) | |
288 | (define os | |
289 | (marionette-operating-system %dhcpd-os | |
290 | #:imported-modules '((gnu services herd)))) | |
291 | ||
292 | (define test | |
293 | (with-imported-modules '((gnu build marionette)) | |
294 | #~(begin | |
295 | (use-modules (gnu build marionette) | |
296 | (ice-9 popen) | |
297 | (ice-9 rdelim) | |
298 | (srfi srfi-64)) | |
299 | ||
300 | (define marionette | |
301 | (make-marionette (list #$(virtual-machine os)))) | |
302 | ||
303 | (mkdir #$output) | |
304 | (chdir #$output) | |
305 | ||
306 | (test-begin "dhcpd") | |
307 | ||
308 | (test-assert "pid file exists" | |
309 | (marionette-eval | |
310 | '(file-exists? | |
311 | #$(dhcpd-configuration-pid-file dhcpd-v4-configuration)) | |
312 | marionette)) | |
313 | ||
314 | (test-assert "lease file exists" | |
315 | (marionette-eval | |
316 | '(file-exists? | |
317 | #$(dhcpd-configuration-lease-file dhcpd-v4-configuration)) | |
318 | marionette)) | |
319 | ||
320 | (test-assert "run directory exists" | |
321 | (marionette-eval | |
322 | '(file-exists? | |
323 | #$(dhcpd-configuration-run-directory dhcpd-v4-configuration)) | |
324 | marionette)) | |
325 | ||
326 | (test-assert "dhcpd is alive" | |
327 | (marionette-eval | |
328 | '(begin | |
329 | (use-modules (gnu services herd) | |
330 | (srfi srfi-1)) | |
331 | (live-service-running | |
332 | (find (lambda (live) | |
333 | (memq 'dhcpv4-daemon | |
334 | (live-service-provision live))) | |
335 | (current-services)))) | |
336 | marionette)) | |
337 | ||
338 | (test-end) | |
339 | (exit (= (test-runner-fail-count (test-runner-current)) 0))))) | |
340 | ||
341 | (gexp->derivation "dhcpd-test" test)) | |
342 | ||
343 | (define %test-dhcpd | |
344 | (system-test | |
345 | (name "dhcpd") | |
346 | (description "Test a running DHCP daemon configuration.") | |
347 | (value (run-dhcpd-test)))) | |
5dfd80e1 CM |
348 | |
349 | \f | |
350 | ;;; | |
351 | ;;; Services related to Tor | |
352 | ;;; | |
353 | ||
354 | (define %tor-os | |
355 | (simple-operating-system | |
84a2de36 | 356 | (service tor-service-type))) |
5dfd80e1 | 357 | |
b0f951e4 CM |
358 | (define %tor-os/unix-socks-socket |
359 | (simple-operating-system | |
360 | (service tor-service-type | |
361 | (tor-configuration | |
3bcb305b | 362 | (socks-socket-type 'unix))))) |
b0f951e4 | 363 | |
5dfd80e1 CM |
364 | (define (run-tor-test) |
365 | (define os | |
366 | (marionette-operating-system %tor-os | |
367 | #:imported-modules '((gnu services herd)) | |
368 | #:requirements '(tor))) | |
369 | ||
b0f951e4 CM |
370 | (define os/unix-socks-socket |
371 | (marionette-operating-system %tor-os/unix-socks-socket | |
372 | #:imported-modules '((gnu services herd)) | |
373 | #:requirements '(tor))) | |
374 | ||
5dfd80e1 CM |
375 | (define test |
376 | (with-imported-modules '((gnu build marionette)) | |
377 | #~(begin | |
378 | (use-modules (gnu build marionette) | |
379 | (ice-9 popen) | |
380 | (ice-9 rdelim) | |
381 | (srfi srfi-64)) | |
382 | ||
383 | (define marionette | |
384 | (make-marionette (list #$(virtual-machine os)))) | |
385 | ||
b0f951e4 | 386 | (define (tor-is-alive? marionette) |
5dfd80e1 CM |
387 | (marionette-eval |
388 | '(begin | |
389 | (use-modules (gnu services herd) | |
390 | (srfi srfi-1)) | |
391 | (live-service-running | |
392 | (find (lambda (live) | |
393 | (memq 'tor | |
394 | (live-service-provision live))) | |
395 | (current-services)))) | |
396 | marionette)) | |
397 | ||
b0f951e4 CM |
398 | (mkdir #$output) |
399 | (chdir #$output) | |
400 | ||
401 | (test-begin "tor") | |
402 | ||
403 | ;; Test the usual Tor service. | |
404 | ||
405 | (test-assert "tor is alive" | |
406 | (tor-is-alive? marionette)) | |
407 | ||
408 | (test-assert "tor is listening" | |
409 | (let ((default-port 9050)) | |
410 | (wait-for-tcp-port default-port marionette))) | |
411 | ||
412 | ;; Don't run two VMs at once. | |
413 | (marionette-control "quit" marionette) | |
414 | ||
415 | ;; Test the Tor service using a SOCKS socket. | |
416 | ||
417 | (let* ((socket-directory "/tmp/more-sockets") | |
418 | (_ (mkdir socket-directory)) | |
419 | (marionette/unix-socks-socket | |
420 | (make-marionette | |
421 | (list #$(virtual-machine os/unix-socks-socket)) | |
422 | ;; We can't use the same socket directory as the first | |
423 | ;; marionette. | |
424 | #:socket-directory socket-directory))) | |
425 | (test-assert "tor is alive, even when using a SOCKS socket" | |
426 | (tor-is-alive? marionette/unix-socks-socket)) | |
427 | ||
428 | (test-assert "tor is listening, even when using a SOCKS socket" | |
429 | (wait-for-unix-socket "/var/run/tor/socks-sock" | |
430 | marionette/unix-socks-socket))) | |
431 | ||
5dfd80e1 CM |
432 | (test-end) |
433 | (exit (= (test-runner-fail-count (test-runner-current)) 0))))) | |
434 | ||
435 | (gexp->derivation "tor-test" test)) | |
436 | ||
437 | (define %test-tor | |
438 | (system-test | |
439 | (name "tor") | |
440 | (description "Test a running Tor daemon configuration.") | |
441 | (value (run-tor-test)))) | |
9926b8f8 AI |
442 | |
443 | (define* (run-iptables-test) | |
444 | "Run tests of 'iptables-service-type'." | |
445 | (define iptables-rules | |
446 | "*filter | |
447 | :INPUT ACCEPT | |
448 | :FORWARD ACCEPT | |
449 | :OUTPUT ACCEPT | |
450 | -A INPUT -p tcp -m tcp --dport 7 -j REJECT --reject-with icmp-port-unreachable | |
451 | COMMIT | |
452 | ") | |
453 | ||
454 | (define ip6tables-rules | |
455 | "*filter | |
456 | :INPUT ACCEPT | |
457 | :FORWARD ACCEPT | |
458 | :OUTPUT ACCEPT | |
459 | -A INPUT -p tcp -m tcp --dport 7 -j REJECT --reject-with icmp6-port-unreachable | |
460 | COMMIT | |
461 | ") | |
462 | ||
463 | (define inetd-echo-port 7) | |
464 | ||
465 | (define os | |
466 | (marionette-operating-system | |
467 | (simple-operating-system | |
39d7fdce | 468 | (service dhcp-client-service-type) |
9926b8f8 AI |
469 | (service inetd-service-type |
470 | (inetd-configuration | |
471 | (entries (list | |
472 | (inetd-entry | |
473 | (name "echo") | |
474 | (socket-type 'stream) | |
475 | (protocol "tcp") | |
476 | (wait? #f) | |
477 | (user "root")))))) | |
478 | (service iptables-service-type | |
479 | (iptables-configuration | |
480 | (ipv4-rules (plain-file "iptables.rules" iptables-rules)) | |
481 | (ipv6-rules (plain-file "ip6tables.rules" ip6tables-rules))))) | |
482 | #:imported-modules '((gnu services herd)) | |
483 | #:requirements '(inetd iptables))) | |
484 | ||
485 | (define test | |
486 | (with-imported-modules '((gnu build marionette)) | |
487 | #~(begin | |
488 | (use-modules (srfi srfi-64) | |
489 | (gnu build marionette)) | |
490 | (define marionette | |
491 | (make-marionette (list #$(virtual-machine os)))) | |
492 | ||
493 | (define (dump-iptables iptables-save marionette) | |
494 | (marionette-eval | |
495 | `(begin | |
496 | (use-modules (ice-9 popen) | |
497 | (ice-9 rdelim) | |
498 | (ice-9 regex)) | |
499 | (call-with-output-string | |
500 | (lambda (out) | |
501 | (call-with-port | |
502 | (open-pipe* OPEN_READ ,iptables-save) | |
503 | (lambda (in) | |
504 | (let loop ((line (read-line in))) | |
505 | ;; iptables-save does not output rules in the exact | |
506 | ;; same format we loaded using iptables-restore. It | |
507 | ;; adds comments, packet counters, etc. We remove | |
508 | ;; these additions. | |
509 | (unless (eof-object? line) | |
510 | (cond | |
511 | ;; Remove comments | |
512 | ((string-match "^#" line) #t) | |
513 | ;; Remove packet counters | |
514 | ((string-match "^:([A-Z]*) ([A-Z]*) .*" line) | |
515 | => (lambda (match-record) | |
516 | (format out ":~a ~a~%" | |
517 | (match:substring match-record 1) | |
518 | (match:substring match-record 2)))) | |
519 | ;; Pass other lines without modification | |
520 | (else (display line out) | |
521 | (newline out))) | |
522 | (loop (read-line in))))))))) | |
523 | marionette)) | |
524 | ||
525 | (mkdir #$output) | |
526 | (chdir #$output) | |
527 | ||
528 | (test-begin "iptables") | |
529 | ||
530 | (test-equal "iptables-save dumps the same rules that were loaded" | |
531 | (dump-iptables #$(file-append iptables "/sbin/iptables-save") | |
532 | marionette) | |
533 | #$iptables-rules) | |
534 | ||
535 | (test-equal "ip6tables-save dumps the same rules that were loaded" | |
536 | (dump-iptables #$(file-append iptables "/sbin/ip6tables-save") | |
537 | marionette) | |
538 | #$ip6tables-rules) | |
539 | ||
540 | (test-error "iptables firewall blocks access to inetd echo service" | |
541 | 'misc-error | |
542 | (wait-for-tcp-port inetd-echo-port marionette #:timeout 5)) | |
543 | ||
544 | ;; TODO: This test freezes up at the login prompt without any | |
545 | ;; relevant messages on the console. Perhaps it is waiting for some | |
546 | ;; timeout. Find and fix this issue. | |
547 | ;; (test-assert "inetd echo service is accessible after iptables firewall is stopped" | |
548 | ;; (begin | |
549 | ;; (marionette-eval | |
550 | ;; '(begin | |
551 | ;; (use-modules (gnu services herd)) | |
552 | ;; (stop-service 'iptables)) | |
553 | ;; marionette) | |
554 | ;; (wait-for-tcp-port inetd-echo-port marionette #:timeout 5))) | |
555 | ||
556 | (test-end) | |
557 | (exit (= (test-runner-fail-count (test-runner-current)) 0))))) | |
558 | ||
559 | (gexp->derivation "iptables" test)) | |
560 | ||
561 | (define %test-iptables | |
562 | (system-test | |
563 | (name "iptables") | |
564 | (description "Test a running iptables daemon.") | |
565 | (value (run-iptables-test)))) |