mirror of
https://github.com/systemd/systemd
synced 2024-07-09 04:26:06 +00:00
8c5045f9b2
I find myself wanting to check this data with a quick command, and browsing through /sys/ manually getting binary data sucks. Hence let's do add a nice little analysis tool.
956 lines
33 KiB
Bash
Executable File
956 lines
33 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# shellcheck disable=SC2016
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set -eux
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# shellcheck source=test/units/util.sh
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. "$(dirname "$0")"/util.sh
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systemctl log-level debug
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export SYSTEMD_LOG_LEVEL=debug
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# Sanity checks
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#
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# We can't really test time, critical-chain and plot verbs here, as
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# the testsuite service is a part of the boot transaction, so let's assume
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# they fail
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systemd-analyze || :
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systemd-analyze time || :
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systemd-analyze critical-chain || :
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# blame
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systemd-analyze blame
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systemd-run --wait --user --pipe -M testuser@.host systemd-analyze blame
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(! systemd-analyze blame --global)
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# plot
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systemd-analyze plot >/dev/null || :
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systemd-analyze plot --json=pretty >/dev/null || :
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systemd-analyze plot --json=short >/dev/null || :
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systemd-analyze plot --json=off >/dev/null || :
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systemd-analyze plot --json=pretty --no-legend >/dev/null || :
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systemd-analyze plot --json=short --no-legend >/dev/null || :
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systemd-analyze plot --json=off --no-legend >/dev/null || :
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systemd-analyze plot --table >/dev/null || :
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systemd-analyze plot --table --no-legend >/dev/null || :
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(! systemd-analyze plot --global)
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# legacy/deprecated options (moved to systemctl, but still usable from analyze)
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systemd-analyze log-level
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systemd-analyze log-level "$(systemctl log-level)"
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systemd-analyze get-log-level
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systemd-analyze set-log-level "$(systemctl log-level)"
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systemd-analyze log-target
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systemd-analyze log-target "$(systemctl log-target)"
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systemd-analyze get-log-target
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systemd-analyze set-log-target "$(systemctl log-target)"
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systemd-analyze service-watchdogs
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systemd-analyze service-watchdogs "$(systemctl service-watchdogs)"
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# dot
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systemd-analyze dot >/dev/null
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systemd-analyze dot systemd-journald.service >/dev/null
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systemd-analyze dot systemd-journald.service systemd-logind.service >/dev/null
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systemd-analyze dot --from-pattern="*" --from-pattern="*.service" systemd-journald.service >/dev/null
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systemd-analyze dot --to-pattern="*" --to-pattern="*.service" systemd-journald.service >/dev/null
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systemd-analyze dot --from-pattern="*.service" --to-pattern="*.service" systemd-journald.service >/dev/null
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systemd-analyze dot --order systemd-journald.service systemd-logind.service >/dev/null
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systemd-analyze dot --require systemd-journald.service systemd-logind.service >/dev/null
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systemd-analyze dot "systemd-*.service" >/dev/null
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(! systemd-analyze dot systemd-journald.service systemd-logind.service "*" bbb ccc)
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(! systemd-analyze dot --global systemd-journald.service)
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# dump
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# this should be rate limited to 10 calls in 10 minutes for unprivileged callers
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for _ in {1..10}; do
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runas testuser systemd-analyze dump systemd-journald.service >/dev/null
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done
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(! runas testuser systemd-analyze dump >/dev/null)
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# still limited after a reload
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systemctl daemon-reload
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(! runas testuser systemd-analyze dump >/dev/null)
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# and a re-exec
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systemctl daemon-reexec
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(! runas testuser systemd-analyze dump >/dev/null)
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# privileged call, so should not be rate limited
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for _ in {1..10}; do
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systemd-analyze dump systemd-journald.service >/dev/null
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done
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systemd-analyze dump >/dev/null
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systemd-analyze dump "*" >/dev/null
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systemd-analyze dump "*.socket" >/dev/null
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systemd-analyze dump "*.socket" "*.service" aaaaaaa ... >/dev/null
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systemd-analyze dump systemd-journald.service >/dev/null
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(! systemd-analyze dump "")
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(! systemd-analyze dump --global systemd-journald.service)
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# malloc
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systemd-analyze malloc >/dev/null
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(! systemd-analyze malloc --global)
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# unit-files
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systemd-analyze unit-files >/dev/null
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systemd-analyze unit-files systemd-journald.service >/dev/null
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systemd-analyze unit-files "*" >/dev/null
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systemd-analyze unit-files "*" aaaaaa "*.service" "*.target" >/dev/null
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systemd-analyze unit-files --user >/dev/null
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systemd-analyze unit-files --user "*" aaaaaa "*.service" "*.target" >/dev/null
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(! systemd-analyze unit-files --global)
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# unit-paths
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systemd-analyze unit-paths
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systemd-analyze unit-paths --user
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systemd-analyze unit-paths --global
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# exist-status
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systemd-analyze exit-status
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systemd-analyze exit-status STDOUT BPF
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systemd-analyze exit-status 0 1 {63..65}
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(! systemd-analyze exit-status STDOUT BPF "hello*")
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(! systemd-analyze exit-status --global)
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# capability
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systemd-analyze capability
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systemd-analyze capability cap_chown CAP_KILL
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systemd-analyze capability 0 1 {30..32}
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(! systemd-analyze capability cap_chown CAP_KILL "hello*")
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(! systemd-analyze capability --global)
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# condition
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mkdir -p /run/systemd/system
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UNIT_NAME="analyze-condition-$RANDOM.service"
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cat >"/run/systemd/system/$UNIT_NAME" <<EOF
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[Unit]
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AssertPathExists=/etc/os-release
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AssertEnvironment=!FOOBAR
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ConditionKernelVersion=>1.0
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ConditionPathExists=/etc/os-release
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[Service]
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ExecStart=true
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EOF
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systemctl daemon-reload
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systemd-analyze condition --unit="$UNIT_NAME"
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systemd-analyze condition 'ConditionKernelVersion = ! <4.0' \
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'ConditionKernelVersion = >=3.1' \
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'ConditionACPower=|false' \
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'ConditionArchitecture=|!arm' \
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'AssertPathExists=/etc/os-release'
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(! systemd-analyze condition 'ConditionArchitecture=|!arm' 'AssertXYZ=foo')
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(! systemd-analyze condition 'ConditionKernelVersion=<1.0')
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(! systemd-analyze condition 'AssertKernelVersion=<1.0')
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(! systemd-analyze condition --global 'ConditionKernelVersion = ! <4.0')
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# syscall-filter
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systemd-analyze syscall-filter >/dev/null
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systemd-analyze syscall-filter @chown @sync
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systemd-analyze syscall-filter @sync @sync @sync
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(! systemd-analyze syscall-filter @chown @sync @foobar)
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(! systemd-analyze syscall-filter --global)
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# filesystems (requires libbpf support)
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if systemctl --version | grep "+BPF_FRAMEWORK"; then
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systemd-analyze filesystems >/dev/null
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systemd-analyze filesystems @basic-api
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systemd-analyze filesystems @basic-api @basic-api @basic-api
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(! systemd-analyze filesystems @basic-api @basic-api @foobar @basic-api)
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(! systemd-analyze filesystems --global @basic-api)
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fi
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# calendar
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systemd-analyze calendar '*-2-29 0:0:0'
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systemd-analyze calendar --iterations=5 '*-2-29 0:0:0'
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systemd-analyze calendar '*-* *:*:*'
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systemd-analyze calendar --iterations=5 '*-* *:*:*'
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systemd-analyze calendar --iterations=50 '*-* *:*:*'
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systemd-analyze calendar --iterations=0 '*-* *:*:*'
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systemd-analyze calendar --iterations=5 '01-01-22 01:00:00'
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systemd-analyze calendar --base-time=yesterday --iterations=5 '*-* *:*:*'
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(! systemd-analyze calendar --iterations=0 '*-* 99:*:*')
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(! systemd-analyze calendar --base-time=never '*-* *:*:*')
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(! systemd-analyze calendar 1)
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(! systemd-analyze calendar "")
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(! systemd-analyze calendar --global '*-2-29 0:0:0')
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# timestamp
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systemd-analyze timestamp now
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systemd-analyze timestamp -- -1
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systemd-analyze timestamp yesterday now tomorrow
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(! systemd-analyze timestamp yesterday never tomorrow)
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(! systemd-analyze timestamp 1)
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(! systemd-analyze timestamp '*-2-29 0:0:0')
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(! systemd-analyze timestamp "")
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(! systemd-analyze timestamp --global now)
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# timespan
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systemd-analyze timespan 1
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systemd-analyze timespan 1s 300s '1year 0.000001s'
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(! systemd-analyze timespan 1s 300s aaaaaa '1year 0.000001s')
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(! systemd-analyze timespan -- -1)
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(! systemd-analyze timespan '*-2-29 0:0:0')
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(! systemd-analyze timespan "")
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(! systemd-analyze timespan --global 1)
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# cat-config
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systemd-analyze cat-config systemd/system.conf >/dev/null
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systemd-analyze cat-config /etc/systemd/system.conf >/dev/null
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systemd-analyze cat-config systemd/system.conf systemd/journald.conf >/dev/null
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systemd-analyze cat-config systemd/system.conf foo/bar systemd/journald.conf >/dev/null
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systemd-analyze cat-config foo/bar
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systemd-analyze cat-config --tldr systemd/system.conf >/dev/null
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systemd-analyze cat-config --tldr /etc/systemd/system.conf >/dev/null
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systemd-analyze cat-config --tldr systemd/system.conf systemd/journald.conf >/dev/null
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systemd-analyze cat-config --tldr systemd/system.conf foo/bar systemd/journald.conf >/dev/null
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systemd-analyze cat-config --tldr foo/bar
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(! systemd-analyze cat-config --global systemd/system.conf)
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# security
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systemd-analyze security
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systemd-analyze security --json=off
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systemd-analyze security --json=pretty | jq
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systemd-analyze security --json=short | jq
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(! systemd-analyze security --global)
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if [[ ! -v ASAN_OPTIONS ]]; then
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# check that systemd-analyze cat-config paths work in a chroot
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mkdir -p /tmp/root
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mount --bind / /tmp/root
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if mountpoint -q /usr; then
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mount --bind /usr /tmp/root/usr
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fi
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systemd-analyze cat-config systemd/system-preset >/tmp/out1
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chroot /tmp/root systemd-analyze cat-config systemd/system-preset >/tmp/out2
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diff /tmp/out{1,2}
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fi
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# verify
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mkdir -p /tmp/img/usr/lib/systemd/system/
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mkdir -p /tmp/img/opt/
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touch /tmp/img/opt/script0.sh
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chmod +x /tmp/img/opt/script0.sh
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cat <<EOF >/tmp/img/usr/lib/systemd/system/testfile.service
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[Service]
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ExecStart = /opt/script0.sh
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EOF
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set +e
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# Default behaviour is to recurse through all dependencies when unit is loaded
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(! systemd-analyze verify --root=/tmp/img/ testfile.service)
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# As above, recurses through all dependencies when unit is loaded
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(! systemd-analyze verify --recursive-errors=yes --root=/tmp/img/ testfile.service)
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# Recurses through unit file and its direct dependencies when unit is loaded
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(! systemd-analyze verify --recursive-errors=one --root=/tmp/img/ testfile.service)
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set -e
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# zero exit status since dependencies are ignored when unit is loaded
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systemd-analyze verify --recursive-errors=no --root=/tmp/img/ testfile.service
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rm /tmp/img/usr/lib/systemd/system/testfile.service
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cat <<EOF >/tmp/testfile.service
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[Unit]
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foo = bar
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[Service]
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ExecStart = echo hello
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EOF
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cat <<EOF >/tmp/testfile2.service
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[Unit]
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Requires = testfile.service
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[Service]
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ExecStart = echo hello
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EOF
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# Zero exit status since no additional dependencies are recursively loaded when the unit file is loaded
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systemd-analyze verify --recursive-errors=no /tmp/testfile2.service
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set +e
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# Non-zero exit status since all associated dependencies are recursively loaded when the unit file is loaded
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(! systemd-analyze verify --recursive-errors=yes /tmp/testfile2.service)
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set -e
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rm /tmp/testfile.service
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rm /tmp/testfile2.service
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cat <<EOF >/tmp/sample.service
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[Unit]
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Description = A Sample Service
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[Service]
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ExecStart = echo hello
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Slice=support.slice
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EOF
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# Zero exit status since no additional dependencies are recursively loaded when the unit file is loaded
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systemd-analyze verify --recursive-errors=no /tmp/sample.service
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cat <<EOF >/tmp/testfile.service
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[Service]
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ExecStart = echo hello
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DeviceAllow=/dev/sda
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EOF
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# Prevent regression from #13380 and #20859 where we can't verify hidden files
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cp /tmp/testfile.service /tmp/.testfile.service
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systemd-analyze verify /tmp/.testfile.service
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rm /tmp/.testfile.service
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# Alias a unit file's name on disk (see #20061)
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cp /tmp/testfile.service /tmp/testsrvc
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(! systemd-analyze verify /tmp/testsrvc)
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systemd-analyze verify /tmp/testsrvc:alias.service
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# Zero exit status since the value used for comparison determine exposure to security threats is by default 100
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systemd-analyze security --offline=true /tmp/testfile.service
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#The overall exposure level assigned to the unit is greater than the set threshold
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(! systemd-analyze security --threshold=90 --offline=true /tmp/testfile.service)
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# Ensure we print the list of ACLs, see https://github.com/systemd/systemd/issues/23185
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systemd-analyze security --offline=true /tmp/testfile.service | grep -q -F "/dev/sda"
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# Make sure that running generators under systemd-analyze verify works.
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# Note: sd-analyze spawns generators in a sandbox which makes gcov unhapy, so temporarily override
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# $GCOV_PREFIX to make it skip generating any coverage reports
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GCOV_PREFIX=/tmp systemd-analyze verify --generators /tmp/testfile.service
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rm /tmp/testfile.service
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cat <<EOF >/tmp/img/usr/lib/systemd/system/testfile.service
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[Service]
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ExecStart = echo hello
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PrivateNetwork = yes
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PrivateDevices = yes
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PrivateUsers = yes
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EOF
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# The new overall exposure level assigned to the unit is less than the set thresholds
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# Verifies that the --offline= option works with --root=
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systemd-analyze security --threshold=90 --offline=true --root=/tmp/img/ testfile.service
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cat <<EOF >/tmp/foo@.service
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[Service]
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ExecStart=ls
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EOF
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cat <<EOF >/tmp/hoge@test.service
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[Service]
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ExecStart=ls
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EOF
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# issue #30357
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pushd /tmp
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systemd-analyze verify foo@bar.service
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systemd-analyze verify foo@.service
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systemd-analyze verify hoge@test.service
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(! systemd-analyze verify hoge@nonexist.service)
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(! systemd-analyze verify hoge@.service)
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popd
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pushd /
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systemd-analyze verify tmp/foo@bar.service
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systemd-analyze verify tmp/foo@.service
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systemd-analyze verify tmp/hoge@test.service
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(! systemd-analyze verify tmp/hoge@nonexist.service)
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(! systemd-analyze verify tmp/hoge@.service)
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popd
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pushd /usr
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systemd-analyze verify ../tmp/foo@bar.service
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systemd-analyze verify ../tmp/foo@.service
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systemd-analyze verify ../tmp/hoge@test.service
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(! systemd-analyze verify ../tmp/hoge@nonexist.service)
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(! systemd-analyze verify ../tmp/hoge@.service)
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popd
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systemd-analyze verify /tmp/foo@bar.service
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systemd-analyze verify /tmp/foo@.service
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systemd-analyze verify /tmp/hoge@test.service
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(! systemd-analyze verify /tmp/hoge@nonexist.service)
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(! systemd-analyze verify /tmp/hoge@.service)
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# test that all commands are verified.
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cat <<EOF >/tmp/multi-exec-start.service
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[Service]
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Type=oneshot
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ExecStart=true
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ExecStart=ls
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EOF
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systemd-analyze verify /tmp/multi-exec-start.service
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echo 'ExecStart=command-should-not-exist' >>/tmp/multi-exec-start.service
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(! systemd-analyze verify /tmp/multi-exec-start.service)
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# Added an additional "INVALID_ID" id to the .json to verify that nothing breaks when input is malformed
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# The PrivateNetwork id description and weight was changed to verify that 'security' is actually reading in
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# values from the .json file when required. The default weight for "PrivateNetwork" is 2500, and the new weight
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# assigned to that id in the .json file is 6000. This increased weight means that when the "PrivateNetwork" key is
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# set to 'yes' (as above in the case of testfile.service) in the content of the unit file, the overall exposure
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# level for the unit file should decrease to account for that increased weight.
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cat <<EOF >/tmp/testfile.json
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{"UserOrDynamicUser":
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{"description_bad": "Service runs as root user",
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"weight": 0,
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"range": 10
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},
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"SupplementaryGroups":
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{"description_good": "Service has no supplementary groups",
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"description_bad": "Service runs with supplementary groups",
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"description_na": "Service runs as root, option does not matter",
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"weight": 200,
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"range": 1
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},
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"PrivateDevices":
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{"description_good": "Service has no access to hardware devices",
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"description_bad": "Service potentially has access to hardware devices",
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"weight": 1000,
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"range": 1
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},
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"PrivateMounts":
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{"description_good": "Service cannot install system mounts",
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"description_bad": "Service may install system mounts",
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"weight": 1000,
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"range": 1
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},
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"PrivateNetwork":
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{"description_good": "Service doesn't have access to the host's network",
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"description_bad": "Service has access to the host's network",
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"weight": 6000,
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"range": 1
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},
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"PrivateTmp":
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{"description_good": "Service has no access to other software's temporary files",
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"description_bad": "Service has access to other software's temporary files",
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"weight": 1000,
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"range": 1
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},
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"PrivateUsers":
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{"description_good": "Service does not have access to other users",
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"description_bad": "Service has access to other users",
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"weight": 1000,
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"range": 1
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},
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"ProtectControlGroups":
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{"description_good": "Service cannot modify the control group file system",
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"description_bad": "Service may modify the control group file system",
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"weight": 1000,
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"range": 1
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},
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"ProtectKernelModules":
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{"description_good": "Service cannot load or read kernel modules",
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"description_bad": "Service may load or read kernel modules",
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"weight": 1000,
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"range": 1
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},
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"ProtectKernelTunables":
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{"description_good": "Service cannot alter kernel tunables (/proc/sys, …)",
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"description_bad": "Service may alter kernel tunables",
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"weight": 1000,
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"range": 1
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},
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"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 \+'
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(! systemd-analyze image-policy 'doedel')
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# Output is very hard to predict, but let's run it for coverage anyway
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systemd-analyze pcrs
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systemd-analyze pcrs --json=pretty
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systemd-analyze pcrs 14 7 0 ima
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systemd-analyze architectures
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systemd-analyze architectures --json=pretty
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systemd-analyze architectures x86
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systemd-analyze architectures x86-64
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systemd-analyze architectures native
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systemd-analyze architectures uname
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systemd-analyze smbios11
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systemd-analyze smbios11 -q
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systemd-analyze log-level info
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touch /testok
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