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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
|
#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2016
set -eux
# shellcheck source=test/units/util.sh
. "$(dirname "$0")"/util.sh
systemctl log-level debug
export SYSTEMD_LOG_LEVEL=debug
# Sanity checks
#
# We can't really test time, critical-chain and plot verbs here, as
# the testsuite service is a part of the boot transaction, so let's assume
# they fail
systemd-analyze || :
systemd-analyze time || :
systemd-analyze critical-chain || :
# blame
systemd-analyze blame
systemd-run --wait --user --pipe -M testuser@.host systemd-analyze blame
(! systemd-analyze blame --global)
# plot
systemd-analyze plot >/dev/null || :
systemd-analyze plot --json=pretty >/dev/null || :
systemd-analyze plot --json=short >/dev/null || :
systemd-analyze plot --json=off >/dev/null || :
systemd-analyze plot --json=pretty --no-legend >/dev/null || :
systemd-analyze plot --json=short --no-legend >/dev/null || :
systemd-analyze plot --json=off --no-legend >/dev/null || :
systemd-analyze plot --table >/dev/null || :
systemd-analyze plot --table --no-legend >/dev/null || :
(! systemd-analyze plot --global)
# legacy/deprecated options (moved to systemctl, but still usable from analyze)
systemd-analyze log-level
systemd-analyze log-level "$(systemctl log-level)"
systemd-analyze get-log-level
systemd-analyze set-log-level "$(systemctl log-level)"
systemd-analyze log-target
systemd-analyze log-target "$(systemctl log-target)"
systemd-analyze get-log-target
systemd-analyze set-log-target "$(systemctl log-target)"
systemd-analyze service-watchdogs
systemd-analyze service-watchdogs "$(systemctl service-watchdogs)"
# dot
systemd-analyze dot >/dev/null
systemd-analyze dot systemd-journald.service >/dev/null
systemd-analyze dot systemd-journald.service systemd-logind.service >/dev/null
systemd-analyze dot --from-pattern="*" --from-pattern="*.service" systemd-journald.service >/dev/null
systemd-analyze dot --to-pattern="*" --to-pattern="*.service" systemd-journald.service >/dev/null
systemd-analyze dot --from-pattern="*.service" --to-pattern="*.service" systemd-journald.service >/dev/null
systemd-analyze dot --order systemd-journald.service systemd-logind.service >/dev/null
systemd-analyze dot --require systemd-journald.service systemd-logind.service >/dev/null
systemd-analyze dot "systemd-*.service" >/dev/null
(! systemd-analyze dot systemd-journald.service systemd-logind.service "*" bbb ccc)
(! systemd-analyze dot --global systemd-journald.service)
# dump
# this should be rate limited to 10 calls in 10 minutes for unprivileged callers
for _ in {1..10}; do
runas testuser systemd-analyze dump systemd-journald.service >/dev/null
done
(! runas testuser systemd-analyze dump >/dev/null)
# still limited after a reload
systemctl daemon-reload
(! runas testuser systemd-analyze dump >/dev/null)
# and a re-exec
systemctl daemon-reexec
(! runas testuser systemd-analyze dump >/dev/null)
# privileged call, so should not be rate limited
for _ in {1..10}; do
systemd-analyze dump systemd-journald.service >/dev/null
done
systemd-analyze dump >/dev/null
systemd-analyze dump "*" >/dev/null
systemd-analyze dump "*.socket" >/dev/null
systemd-analyze dump "*.socket" "*.service" aaaaaaa ... >/dev/null
systemd-analyze dump systemd-journald.service >/dev/null
(! systemd-analyze dump "")
(! systemd-analyze dump --global systemd-journald.service)
# malloc
systemd-analyze malloc >/dev/null
(! systemd-analyze malloc --global)
# unit-files
systemd-analyze unit-files >/dev/null
systemd-analyze unit-files systemd-journald.service >/dev/null
systemd-analyze unit-files "*" >/dev/null
systemd-analyze unit-files "*" aaaaaa "*.service" "*.target" >/dev/null
systemd-analyze unit-files --user >/dev/null
systemd-analyze unit-files --user "*" aaaaaa "*.service" "*.target" >/dev/null
(! systemd-analyze unit-files --global)
# unit-paths
systemd-analyze unit-paths
systemd-analyze unit-paths --user
systemd-analyze unit-paths --global
# exist-status
systemd-analyze exit-status
systemd-analyze exit-status STDOUT BPF
systemd-analyze exit-status 0 1 {63..65}
(! systemd-analyze exit-status STDOUT BPF "hello*")
(! systemd-analyze exit-status --global)
# capability
systemd-analyze capability
systemd-analyze capability cap_chown CAP_KILL
systemd-analyze capability 0 1 {30..32}
(! systemd-analyze capability cap_chown CAP_KILL "hello*")
(! systemd-analyze capability --global)
# condition
mkdir -p /run/systemd/system
UNIT_NAME="analyze-condition-$RANDOM.service"
cat >"/run/systemd/system/$UNIT_NAME" <<EOF
[Unit]
AssertPathExists=/etc/os-release
AssertEnvironment=!FOOBAR
ConditionKernelVersion=>1.0
ConditionPathExists=/etc/os-release
[Service]
ExecStart=true
EOF
systemctl daemon-reload
systemd-analyze condition --unit="$UNIT_NAME"
systemd-analyze condition 'ConditionKernelVersion = ! <4.0' \
'ConditionKernelVersion = >=3.1' \
'ConditionACPower=|false' \
'ConditionArchitecture=|!arm' \
'AssertPathExists=/etc/os-release'
(! systemd-analyze condition 'ConditionArchitecture=|!arm' 'AssertXYZ=foo')
(! systemd-analyze condition 'ConditionKernelVersion=<1.0')
(! systemd-analyze condition 'AssertKernelVersion=<1.0')
(! systemd-analyze condition --global 'ConditionKernelVersion = ! <4.0')
# syscall-filter
systemd-analyze syscall-filter >/dev/null
systemd-analyze syscall-filter @chown @sync
systemd-analyze syscall-filter @sync @sync @sync
(! systemd-analyze syscall-filter @chown @sync @foobar)
(! systemd-analyze syscall-filter --global)
# filesystems (requires libbpf support)
if systemctl --version | grep "+BPF_FRAMEWORK"; then
systemd-analyze filesystems >/dev/null
systemd-analyze filesystems @basic-api
systemd-analyze filesystems @basic-api @basic-api @basic-api
(! systemd-analyze filesystems @basic-api @basic-api @foobar @basic-api)
(! systemd-analyze filesystems --global @basic-api)
fi
# calendar
systemd-analyze calendar '*-2-29 0:0:0'
systemd-analyze calendar --iterations=5 '*-2-29 0:0:0'
systemd-analyze calendar '*-* *:*:*'
systemd-analyze calendar --iterations=5 '*-* *:*:*'
systemd-analyze calendar --iterations=50 '*-* *:*:*'
systemd-analyze calendar --iterations=0 '*-* *:*:*'
systemd-analyze calendar --iterations=5 '01-01-22 01:00:00'
systemd-analyze calendar --base-time=yesterday --iterations=5 '*-* *:*:*'
(! systemd-analyze calendar --iterations=0 '*-* 99:*:*')
(! systemd-analyze calendar --base-time=never '*-* *:*:*')
(! systemd-analyze calendar 1)
(! systemd-analyze calendar "")
(! systemd-analyze calendar --global '*-2-29 0:0:0')
# timestamp
systemd-analyze timestamp now
systemd-analyze timestamp -- -1
systemd-analyze timestamp yesterday now tomorrow
(! systemd-analyze timestamp yesterday never tomorrow)
(! systemd-analyze timestamp 1)
(! systemd-analyze timestamp '*-2-29 0:0:0')
(! systemd-analyze timestamp "")
(! systemd-analyze timestamp --global now)
# timespan
systemd-analyze timespan 1
systemd-analyze timespan 1s 300s '1year 0.000001s'
(! systemd-analyze timespan 1s 300s aaaaaa '1year 0.000001s')
(! systemd-analyze timespan -- -1)
(! systemd-analyze timespan '*-2-29 0:0:0')
(! systemd-analyze timespan "")
(! systemd-analyze timespan --global 1)
# cat-config
systemd-analyze cat-config systemd/system.conf >/dev/null
systemd-analyze cat-config /etc/systemd/system.conf >/dev/null
systemd-analyze cat-config systemd/system.conf systemd/journald.conf >/dev/null
systemd-analyze cat-config systemd/system.conf foo/bar systemd/journald.conf >/dev/null
systemd-analyze cat-config foo/bar
systemd-analyze cat-config --tldr systemd/system.conf >/dev/null
systemd-analyze cat-config --tldr /etc/systemd/system.conf >/dev/null
systemd-analyze cat-config --tldr systemd/system.conf systemd/journald.conf >/dev/null
systemd-analyze cat-config --tldr systemd/system.conf foo/bar systemd/journald.conf >/dev/null
systemd-analyze cat-config --tldr foo/bar
(! systemd-analyze cat-config --global systemd/system.conf)
# security
systemd-analyze security
systemd-analyze security --json=off
systemd-analyze security --json=pretty | jq
systemd-analyze security --json=short | jq
(! systemd-analyze security --global)
if [[ ! -v ASAN_OPTIONS ]]; then
# check that systemd-analyze cat-config paths work in a chroot
mkdir -p /tmp/root
mount --bind / /tmp/root
if mountpoint -q /usr; then
mount --bind /usr /tmp/root/usr
fi
systemd-analyze cat-config systemd/system-preset >/tmp/out1
chroot /tmp/root systemd-analyze cat-config systemd/system-preset >/tmp/out2
diff /tmp/out{1,2}
fi
# verify
mkdir -p /tmp/img/usr/lib/systemd/system/
mkdir -p /tmp/img/opt/
touch /tmp/img/opt/script0.sh
chmod +x /tmp/img/opt/script0.sh
cat <<EOF >/tmp/img/usr/lib/systemd/system/testfile.service
[Service]
ExecStart = /opt/script0.sh
EOF
set +e
# Default behaviour is to recurse through all dependencies when unit is loaded
(! systemd-analyze verify --root=/tmp/img/ testfile.service)
# As above, recurses through all dependencies when unit is loaded
(! systemd-analyze verify --recursive-errors=yes --root=/tmp/img/ testfile.service)
# Recurses through unit file and its direct dependencies when unit is loaded
(! systemd-analyze verify --recursive-errors=one --root=/tmp/img/ testfile.service)
set -e
# zero exit status since dependencies are ignored when unit is loaded
systemd-analyze verify --recursive-errors=no --root=/tmp/img/ testfile.service
rm /tmp/img/usr/lib/systemd/system/testfile.service
cat <<EOF >/tmp/testfile.service
[Unit]
foo = bar
[Service]
ExecStart = echo hello
EOF
cat <<EOF >/tmp/testfile2.service
[Unit]
Requires = testfile.service
[Service]
ExecStart = echo hello
EOF
# Zero exit status since no additional dependencies are recursively loaded when the unit file is loaded
systemd-analyze verify --recursive-errors=no /tmp/testfile2.service
set +e
# Non-zero exit status since all associated dependencies are recursively loaded when the unit file is loaded
(! systemd-analyze verify --recursive-errors=yes /tmp/testfile2.service)
set -e
rm /tmp/testfile.service
rm /tmp/testfile2.service
cat <<EOF >/tmp/sample.service
[Unit]
Description = A Sample Service
[Service]
ExecStart = echo hello
Slice=support.slice
EOF
# Zero exit status since no additional dependencies are recursively loaded when the unit file is loaded
systemd-analyze verify --recursive-errors=no /tmp/sample.service
cat <<EOF >/tmp/testfile.service
[Service]
ExecStart = echo hello
DeviceAllow=/dev/sda
EOF
# Prevent regression from #13380 and #20859 where we can't verify hidden files
cp /tmp/testfile.service /tmp/.testfile.service
systemd-analyze verify /tmp/.testfile.service
rm /tmp/.testfile.service
# Alias a unit file's name on disk (see #20061)
cp /tmp/testfile.service /tmp/testsrvc
(! systemd-analyze verify /tmp/testsrvc)
systemd-analyze verify /tmp/testsrvc:alias.service
# Zero exit status since the value used for comparison determine exposure to security threats is by default 100
systemd-analyze security --offline=true /tmp/testfile.service
#The overall exposure level assigned to the unit is greater than the set threshold
(! systemd-analyze security --threshold=90 --offline=true /tmp/testfile.service)
# Ensure we print the list of ACLs, see https://github.com/systemd/systemd/issues/23185
systemd-analyze security --offline=true /tmp/testfile.service | grep -q -F "/dev/sda"
rm /tmp/testfile.service
cat <<EOF >/tmp/img/usr/lib/systemd/system/testfile.service
[Service]
ExecStart = echo hello
PrivateNetwork = yes
PrivateDevices = yes
PrivateUsers = yes
EOF
# The new overall exposure level assigned to the unit is less than the set thresholds
# Verifies that the --offline= option works with --root=
systemd-analyze security --threshold=90 --offline=true --root=/tmp/img/ testfile.service
cat <<EOF >/tmp/foo@.service
[Service]
ExecStart=ls
EOF
cat <<EOF >/tmp/hoge@test.service
[Service]
ExecStart=ls
EOF
# issue #30357
pushd /tmp
systemd-analyze verify foo@bar.service
systemd-analyze verify foo@.service
systemd-analyze verify hoge@test.service
(! systemd-analyze verify hoge@nonexist.service)
(! systemd-analyze verify hoge@.service)
popd
pushd /
systemd-analyze verify tmp/foo@bar.service
systemd-analyze verify tmp/foo@.service
systemd-analyze verify tmp/hoge@test.service
(! systemd-analyze verify tmp/hoge@nonexist.service)
(! systemd-analyze verify tmp/hoge@.service)
popd
pushd /usr
systemd-analyze verify ../tmp/foo@bar.service
systemd-analyze verify ../tmp/foo@.service
systemd-analyze verify ../tmp/hoge@test.service
(! systemd-analyze verify ../tmp/hoge@nonexist.service)
(! systemd-analyze verify ../tmp/hoge@.service)
popd
systemd-analyze verify /tmp/foo@bar.service
systemd-analyze verify /tmp/foo@.service
systemd-analyze verify /tmp/hoge@test.service
(! systemd-analyze verify /tmp/hoge@nonexist.service)
(! systemd-analyze verify /tmp/hoge@.service)
# test that all commands are verified.
cat <<EOF >/tmp/multi-exec-start.service
[Service]
Type=oneshot
ExecStart=true
ExecStart=ls
EOF
systemd-analyze verify /tmp/multi-exec-start.service
echo 'ExecStart=command-should-not-exist' >>/tmp/multi-exec-start.service
(! systemd-analyze verify /tmp/multi-exec-start.service)
# Added an additional "INVALID_ID" id to the .json to verify that nothing breaks when input is malformed
# The PrivateNetwork id description and weight was changed to verify that 'security' is actually reading in
# values from the .json file when required. The default weight for "PrivateNetwork" is 2500, and the new weight
# assigned to that id in the .json file is 6000. This increased weight means that when the "PrivateNetwork" key is
# set to 'yes' (as above in the case of testfile.service) in the content of the unit file, the overall exposure
# level for the unit file should decrease to account for that increased weight.
cat <<EOF >/tmp/testfile.json
{"UserOrDynamicUser":
{"description_bad": "Service runs as root user",
"weight": 0,
"range": 10
},
"SupplementaryGroups":
{"description_good": "Service has no supplementary groups",
"description_bad": "Service runs with supplementary groups",
"description_na": "Service runs as root, option does not matter",
"weight": 200,
"range": 1
},
"PrivateDevices":
{"description_good": "Service has no access to hardware devices",
"description_bad": "Service potentially has access to hardware devices",
"weight": 1000,
"range": 1
},
"PrivateMounts":
{"description_good": "Service cannot install system mounts",
"description_bad": "Service may install system mounts",
"weight": 1000,
"range": 1
},
"PrivateNetwork":
{"description_good": "Service doesn't have access to the host's network",
"description_bad": "Service has access to the host's network",
"weight": 6000,
"range": 1
},
"PrivateTmp":
{"description_good": "Service has no access to other software's temporary files",
"description_bad": "Service has access to other software's temporary files",
"weight": 1000,
"range": 1
},
"PrivateUsers":
{"description_good": "Service does not have access to other users",
"description_bad": "Service has access to other users",
"weight": 1000,
"range": 1
},
"ProtectControlGroups":
{"description_good": "Service cannot modify the control group file system",
"description_bad": "Service may modify the control group file system",
"weight": 1000,
"range": 1
},
"ProtectKernelModules":
{"description_good": "Service cannot load or read kernel modules",
"description_bad": "Service may load or read kernel modules",
"weight": 1000,
"range": 1
},
"ProtectKernelTunables":
{"description_good": "Service cannot alter kernel tunables (/proc/sys, …)",
"description_bad": "Service may alter kernel tunables",
"weight": 1000,
"range": 1
},
"ProtectKernelLogs":
{"description_good": "Service cannot read from or write to the kernel log ring buffer",
"description_bad": "Service may read from or write to the kernel log ring buffer",
"weight": 1000,
"range": 1
},
"ProtectClock":
{"description_good": "Service cannot write to the hardware clock or system clock",
"description_bad": "Service may write to the hardware clock or system clock",
"weight": 1000,
"range": 1
},
"ProtectHome":
{"weight": 1000,
"range": 10
},
"ProtectHostname":
{"description_good": "Service cannot change system host/domainname",
"description_bad": "Service may change system host/domainname",
"weight": 50,
"range": 1
},
"ProtectSystem":
{"weight": 1000,
"range": 10
},
"RootDirectoryOrRootImage":
{"description_good": "Service has its own root directory/image",
"description_bad": "Service runs within the host's root directory",
"weight": 200,
"range": 1
},
"LockPersonality":
{"description_good": "Service cannot change ABI personality",
"description_bad": "Service may change ABI personality",
"weight": 100,
"range": 1
},
"MemoryDenyWriteExecute":
{"description_good": "Service cannot create writable executable memory mappings",
"description_bad": "Service may create writable executable memory mappings",
"weight": 100,
"range": 1
},
"NoNewPrivileges":
{"description_good": "Service processes cannot acquire new privileges",
"description_bad": "Service processes may acquire new privileges",
"weight": 1000,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_ADMIN":
{"description_good": "Service has no administrator privileges",
"description_bad": "Service has administrator privileges",
"weight": 1500,
"range": 1
},
"CapabilityBoundingSet_CAP_SET_UID_GID_PCAP":
{"description_good": "Service cannot change UID/GID identities/capabilities",
"description_bad": "Service may change UID/GID identities/capabilities",
"weight": 1500,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_PTRACE":
{"description_good": "Service has no ptrace() debugging abilities",
"description_bad": "Service has ptrace() debugging abilities",
"weight": 1500,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_TIME":
{"description_good": "Service processes cannot change the system clock",
"description_bad": "Service processes may change the system clock",
"weight": 1000,
"range": 1
},
"CapabilityBoundingSet_CAP_NET_ADMIN":
{"description_good": "Service has no network configuration privileges",
"description_bad": "Service has network configuration privileges",
"weight": 1000,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_RAWIO":
{"description_good": "Service has no raw I/O access",
"description_bad": "Service has raw I/O access",
"weight": 1000,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_MODULE":
{"description_good": "Service cannot load kernel modules",
"description_bad": "Service may load kernel modules",
"weight": 1000,
"range": 1
},
"CapabilityBoundingSet_CAP_AUDIT":
{"description_good": "Service has no audit subsystem access",
"description_bad": "Service has audit subsystem access",
"weight": 500,
"range": 1
},
"CapabilityBoundingSet_CAP_SYSLOG":
{"description_good": "Service has no access to kernel logging",
"description_bad": "Service has access to kernel logging",
"weight": 500,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_NICE_RESOURCE":
{"description_good": "Service has no privileges to change resource use parameters",
"description_bad": "Service has privileges to change resource use parameters",
"weight": 500,
"range": 1
},
"CapabilityBoundingSet_CAP_MKNOD":
{"description_good": "Service cannot create device nodes",
"description_bad": "Service may create device nodes",
"weight": 500,
"range": 1
},
"CapabilityBoundingSet_CAP_CHOWN_FSETID_SETFCAP":
{"description_good": "Service cannot change file ownership/access mode/capabilities",
"description_bad": "Service may change file ownership/access mode/capabilities unrestricted",
"weight": 1000,
"range": 1
},
"CapabilityBoundingSet_CAP_DAC_FOWNER_IPC_OWNER":
{"description_good": "Service cannot override UNIX file/IPC permission checks",
"description_bad": "Service may override UNIX file/IPC permission checks",
"weight": 1000,
"range": 1
},
"CapabilityBoundingSet_CAP_KILL":
{"description_good": "Service cannot send UNIX signals to arbitrary processes",
"description_bad": "Service may send UNIX signals to arbitrary processes",
"weight": 500,
"range": 1
},
"CapabilityBoundingSet_CAP_NET_BIND_SERVICE_BROADCAST_RAW":
{"description_good": "Service has no elevated networking privileges",
"description_bad": "Service has elevated networking privileges",
"weight": 500,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_BOOT":
{"description_good": "Service cannot issue reboot()",
"description_bad": "Service may issue reboot()",
"weight": 100,
"range": 1
},
"CapabilityBoundingSet_CAP_MAC":
{"description_good": "Service cannot adjust SMACK MAC",
"description_bad": "Service may adjust SMACK MAC",
"weight": 100,
"range": 1
},
"CapabilityBoundingSet_CAP_LINUX_IMMUTABLE":
{"description_good": "Service cannot mark files immutable",
"description_bad": "Service may mark files immutable",
"weight": 75,
"range": 1
},
"CapabilityBoundingSet_CAP_IPC_LOCK":
{"description_good": "Service cannot lock memory into RAM",
"description_bad": "Service may lock memory into RAM",
"weight": 50,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_CHROOT":
{"description_good": "Service cannot issue chroot()",
"description_bad": "Service may issue chroot()",
"weight": 50,
"range": 1
},
"CapabilityBoundingSet_CAP_BLOCK_SUSPEND":
{"description_good": "Service cannot establish wake locks",
"description_bad": "Service may establish wake locks",
"weight": 25,
"range": 1
},
"CapabilityBoundingSet_CAP_WAKE_ALARM":
{"description_good": "Service cannot program timers that wake up the system",
"description_bad": "Service may program timers that wake up the system",
"weight": 25,
"range": 1
},
"CapabilityBoundingSet_CAP_LEASE":
{"description_good": "Service cannot create file leases",
"description_bad": "Service may create file leases",
"weight": 25,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_TTY_CONFIG":
{"description_good": "Service cannot issue vhangup()",
"description_bad": "Service may issue vhangup()",
"weight": 25,
"range": 1
},
"CapabilityBoundingSet_CAP_SYS_PACCT":
{"description_good": "Service cannot use acct()",
"description_bad": "Service may use acct()",
"weight": 25,
"range": 1
},
"CapabilityBoundingSet_CAP_BPF":
{"description_good": "Service may load BPF programs",
"description_bad": "Service may not load BPF programs",
"weight": 25,
"range": 1
},
"UMask":
{"weight": 100,
"range": 10
},
"KeyringMode":
{"description_good": "Service doesn't share key material with other services",
"description_bad": "Service shares key material with other service",
"weight": 1000,
"range": 1
},
"ProtectProc":
{"description_good": "Service has restricted access to process tree(/proc hidepid=)",
"description_bad": "Service has full access to process tree(/proc hidepid=)",
"weight": 1000,
"range": 3
},
"ProcSubset":
{"description_good": "Service has no access to non-process/proc files(/proc subset=)",
"description_bad": "Service has full access to non-process/proc files(/proc subset=)",
"weight": 10,
"range": 1
},
"NotifyAccess":
{"description_good": "Service child processes cannot alter service state",
"description_bad": "Service child processes may alter service state",
"weight": 1000,
"range": 1
},
"RemoveIPC":
{"description_good": "Service user cannot leave SysV IPC objects around",
"description_bad": "Service user may leave SysV IPC objects around",
"description_na": "Service runs as root, option does not apply",
"weight": 100,
"range": 1
},
"Delegate":
{"description_good": "Service does not maintain its own delegated control group subtree",
"description_bad": "Service maintains its own delegated control group subtree",
"weight": 100,
"range": 1
},
"RestrictRealtime":
{"description_good": "Service realtime scheduling access is restricted",
"description_bad": "Service may acquire realtime scheduling",
"weight": 500,
"range": 1
},
"RestrictSUIDSGID":
{"description_good": "SUID/SGIDfilecreationbyserviceisrestricted",
"description_bad": "ServicemaycreateSUID/SGIDfiles",
"weight": 1000,
"range": 1
},
"RestrictNamespaces_user":
{"description_good": "Servicecannotcreateusernamespaces",
"description_bad": "Servicemaycreateusernamespaces",
"weight": 1500,
"range": 1
},
"RestrictNamespaces_mnt":
{"description_good": "Service cannot create file system namespaces",
"description_bad": "Service may create file system namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_ipc":
{"description_good": "Service cannot create IPC namespaces",
"description_bad": "Service may create IPC namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_pid":
{"description_good": "Service cannot create process namespaces",
"description_bad": "Service may create process namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_cgroup":
{"description_good": "Service cannot create cgroup namespaces",
"description_bad": "Service may create cgroup namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_net":
{"description_good": "Service cannot create network namespaces",
"description_bad": "Service may create network namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_uts":
{"description_good": "Service cannot create hostname namespaces",
"description_bad": "Service may create hostname namespaces",
"weight": 100,
"range": 1
},
"RestrictAddressFamilies_AF_INET_INET6":
{"description_good": "Service cannot allocate Internet sockets",
"description_bad": "Service may allocate Internet sockets",
"weight": 1500,
"range": 1
},
"RestrictAddressFamilies_AF_UNIX":
{"description_good": "Service cannot allocate local sockets",
"description_bad": "Service may allocate local sockets",
"weight": 25,
"range": 1
},
"RestrictAddressFamilies_AF_NETLINK":
{"description_good": "Service cannot allocate netlink sockets",
"description_bad": "Service may allocate netlink sockets",
"weight": 200,
"range": 1
},
"RestrictAddressFamilies_AF_PACKET":
{"description_good": "Service cannot allocate packet sockets",
"description_bad": "Service may allocate packet sockets",
"weight": 1000,
"range": 1
},
"RestrictAddressFamilies_OTHER":
{"description_good": "Service cannot allocate exotic sockets",
"description_bad": "Service may allocate exotic sockets",
"weight": 1250,
"range": 1
},
"SystemCallArchitectures":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_swap":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_obsolete":
{"weight": 250,
"range": 10
},
"SystemCallFilter_clock":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_cpu_emulation":
{"weight": 250,
"range": 10
},
"SystemCallFilter_debug":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_mount":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_module":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_raw_io":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_reboot":
{"weight": 1000,
"range": 10
},
"SystemCallFilter_privileged":
{"weight": 700,
"range": 10
},
"SystemCallFilter_resources":
{"weight": 700,
"range": 10
},
"IPAddressDeny":
{"weight": 1000,
"range": 10
},
"DeviceAllow":
{"weight": 1000,
"range": 10
},
"AmbientCapabilities":
{"description_good": "Service process does not receive ambient capabilities",
"description_bad": "Service process receives ambient capabilities",
"weight": 500,
"range": 1
},
"INVALID_ID":
{"weight": 1000,
"range": 10
}
}
EOF
# Reads in custom security requirements from the parsed .json file and uses these for comparison
systemd-analyze security --threshold=90 --offline=true \
--security-policy=/tmp/testfile.json \
--root=/tmp/img/ testfile.service
# The strict profile adds a lot of sanboxing options
systemd-analyze security --threshold=25 --offline=true \
--security-policy=/tmp/testfile.json \
--profile=strict \
--root=/tmp/img/ testfile.service
# The trusted profile doesn't add any sanboxing options
(! systemd-analyze security --threshold=25 --offline=true \
--security-policy=/tmp/testfile.json \
--profile=/usr/lib/systemd/portable/profile/trusted/service.conf \
--root=/tmp/img/ testfile.service)
(! systemd-analyze security --threshold=50 --offline=true \
--security-policy=/tmp/testfile.json \
--root=/tmp/img/ testfile.service)
rm /tmp/img/usr/lib/systemd/system/testfile.service
if systemd-analyze --version | grep -q -F "+ELFUTILS"; then
systemd-analyze inspect-elf --json=short /lib/systemd/systemd | grep -q -F '"elfType":"executable"'
fi
systemd-analyze --threshold=90 security systemd-journald.service
# issue 23663
check() {(
set +x
output=$(systemd-analyze security --offline="${2?}" "${3?}" | grep -F 'SystemCallFilter=')
assert_in "System call ${1?} list" "$output"
assert_in "[+✓] SystemCallFilter=~@swap" "$output"
assert_in "[+✓] SystemCallFilter=~@resources" "$output"
assert_in "[+✓] SystemCallFilter=~@reboot" "$output"
assert_in "[+✓] SystemCallFilter=~@raw-io" "$output"
assert_in "[-✗] SystemCallFilter=~@privileged" "$output"
assert_in "[+✓] SystemCallFilter=~@obsolete" "$output"
assert_in "[+✓] SystemCallFilter=~@mount" "$output"
assert_in "[+✓] SystemCallFilter=~@module" "$output"
assert_in "[+✓] SystemCallFilter=~@debug" "$output"
assert_in "[+✓] SystemCallFilter=~@cpu-emulation" "$output"
assert_in "[-✗] SystemCallFilter=~@clock" "$output"
)}
export -n SYSTEMD_LOG_LEVEL
mkdir -p /run/systemd/system
cat >/run/systemd/system/allow-list.service <<EOF
[Service]
ExecStart=false
SystemCallFilter=@system-service
SystemCallFilter=~@resources:ENOANO @privileged
SystemCallFilter=@clock
EOF
cat >/run/systemd/system/deny-list.service <<EOF
[Service]
ExecStart=false
SystemCallFilter=~@known
SystemCallFilter=@system-service
SystemCallFilter=~@resources:ENOANO @privileged
SystemCallFilter=@clock
EOF
systemctl daemon-reload
check allow yes /run/systemd/system/allow-list.service
check allow no allow-list.service
check deny yes /run/systemd/system/deny-list.service
check deny no deny-list.service
output=$(systemd-run -p "SystemCallFilter=@system-service" -p "SystemCallFilter=~@resources:ENOANO @privileged" -p "SystemCallFilter=@clock" sleep 60 2>&1)
name=$(echo "$output" | awk '{ print $4 }' | cut -d';' -f1)
check allow yes /run/systemd/transient/"$name"
check allow no "$name"
output=$(systemd-run -p "SystemCallFilter=~@known" -p "SystemCallFilter=@system-service" -p "SystemCallFilter=~@resources:ENOANO @privileged" -p "SystemCallFilter=@clock" sleep 60 2>&1)
name=$(echo "$output" | awk '{ print $4 }' | cut -d';' -f1)
check deny yes /run/systemd/transient/"$name"
check deny no "$name"
# Let's also test the "image-policy" verb
systemd-analyze image-policy '*' 2>&1 | grep -q -F "Long form: =verity+signed+encrypted+unprotected+unused+absent"
systemd-analyze image-policy '-' 2>&1 | grep -q -F "Long form: =unused+absent"
systemd-analyze image-policy 'home=encrypted:usr=verity' 2>&1 | grep -q -F "Long form: usr=verity:home=encrypted:=unused+absent"
systemd-analyze image-policy 'home=encrypted:usr=verity' 2>&1 | grep -q -e '^home \+encrypted \+'
systemd-analyze image-policy 'home=encrypted:usr=verity' 2>&1 | grep -q -e '^usr \+verity \+'
systemd-analyze image-policy 'home=encrypted:usr=verity' 2>&1 | grep -q -e '^root \+ignore \+'
systemd-analyze image-policy 'home=encrypted:usr=verity' 2>&1 | grep -q -e '^usr-verity \+unprotected \+'
(! systemd-analyze image-policy 'doedel')
# Output is very hard to predict, but let's run it for coverage anyway
systemd-analyze pcrs
systemd-analyze pcrs --json=pretty
systemd-analyze pcrs 14 7 0 ima
systemd-analyze architectures
systemd-analyze architectures --json=pretty
systemd-analyze architectures x86
systemd-analyze architectures x86-64
systemd-analyze architectures native
systemd-analyze architectures uname
systemd-analyze log-level info
touch /testok
|