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test: add integration tests for systemd-analyze

This commit is contained in:
Maanya Goenka 2021-08-25 09:44:26 -07:00
parent 3838d22cfb
commit 4b6221194d
3 changed files with 584 additions and 0 deletions

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../TEST-01-BASIC/Makefile

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test/TEST-63-ANALYZE/test.sh Executable file
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#!/usr/bin/env bash
set -e
TEST_DESCRIPTION="test analyze"
# shellcheck source=test/test-functions
. "${TEST_BASE_DIR:?}/test-functions"
do_test "$@"

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test/units/testsuite-63.sh Executable file
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#!/usr/bin/env bash
# shellcheck disable=SC2016
set -eux
systemd-analyze log-level debug
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 \
&& { echo 'unexpected success'; exit 1; }
# As above, recurses through all dependencies when unit is loaded
systemd-analyze verify --recursive-errors=yes --root=/tmp/img/ testfile.service \
&& { echo 'unexpected success'; exit 1; }
# Recurses through unit file and its direct dependencies when unit is loaded
systemd-analyze verify --recursive-errors=one --root=/tmp/img/ testfile.service \
&& { echo 'unexpected success'; exit 1; }
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 recusrively loaded when the unit file is loaded
systemd-analyze verify --recursive-errors=yes /tmp/testfile2.service \
&& { echo 'unexpected success'; exit 1; }
set -e
rm /tmp/testfile.service
rm /tmp/testfile2.service
cat <<EOF >/tmp/testfile.service
[Service]
ExecStart = echo hello
EOF
# 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
set +e
#The overall exposure level assigned to the unit is greater than the set threshold
systemd-analyze security --threshold=90 --offline=true /tmp/testfile.service \
&& { echo 'unexpected success'; exit 1; }
set -e
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
# 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
{"User_Or_DynamicUser":
{"description_bad": "Service runs as root user",
"weight": 2000,
"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
},
"RootDirectory_Or_RootImage":
{"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
},
"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_CLONE_NEWUSER":
{"description_good": "Servicecannotcreateusernamespaces",
"description_bad": "Servicemaycreateusernamespaces",
"weight": 1500,
"range": 1
},
"RestrictNamespaces_CLONE_NEWNS":
{"description_good": "Service cannot create file system namespaces",
"description_bad": "Service may create file system namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_CLONE_NEWIPC":
{"description_good": "Service cannot create IPC namespaces",
"description_bad": "Service may create IPC namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_CLONE_NEWPID":
{"description_good": "Service cannot create process namespaces",
"description_bad": "Service may create process namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_CLONE_NEWCGROUP":
{"description_good": "Service cannot create cgroup namespaces",
"description_bad": "Service may create cgroup namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_CLONE_NEWNET":
{"description_good": "Service cannot create network namespaces",
"description_bad": "Service may create network namespaces",
"weight": 500,
"range": 1
},
"RestrictNamespaces_CLONE_NEWUTS":
{"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
set +e
systemd-analyze security --threshold=50 --offline=true \
--security-policy=/tmp/testfile.json \
--root=/tmp/img/ testfile.service \
&& { echo 'unexpected success'; exit 1; }
set -e
rm /tmp/img/usr/lib/systemd/system/testfile.service
systemd-analyze log-level info
echo OK >/testok
exit 0