mirror of
https://github.com/ovh/debian-cis.git
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133 lines
7.8 KiB
Bash
133 lines
7.8 KiB
Bash
# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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describe Running on blank host
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register_test retvalshouldbe 1
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register_test contain "openssh-server is installed"
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# shellcheck disable=2154
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run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe Correcting situation
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# `apply` performs a service reload after each change in the config file
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# the service needs to be started for the reload to succeed
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service ssh start
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# if the audit script provides "apply" option, enable and run it
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sed -i 's/audit/enabled/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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"${CIS_CHECKS_DIR}/${script}.sh" || true
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describe Checking resolved state
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register_test retvalshouldbe 0
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register_test contain "^AllowUsers[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run resolved "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe Check and report mismatch for allowed user
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useradd -s /bin/bash johnallow
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sed -i "s/ALLOWED_USERS=''/ALLOWED_USERS='johnallow'/" "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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register_test retvalshouldbe 1
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register_test contain "^AllowUsers[[:space:]]*johnallow is not present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run allowed_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe Correctly apply allowed user
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# the previous test checked that ALLOWED_USERS is set but not correctly applied in sshd_config so we apply it now
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"${CIS_CHECKS_DIR}/${script}.sh" || true
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# and check again that the fix was correctly applied
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register_test retvalshouldbe 0
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register_test contain "^AllowUsers[[:space:]]*johnallow is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run fix_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --apply-all
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describe Check and report mismatch for multiple allowed users
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useradd -s /bin/bash janeallow
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sed -i "s/johnallow/johnallow janeallow/" "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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register_test retvalshouldbe 1
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register_test contain "^AllowUsers[[:space:]]*johnallow janeallow is not present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run multi_allowed_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe Correctly apply multiple allowed users
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# the previous test checked that ALLOWED_USERS is set but not correctly applied in sshd_config so we apply it now
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"${CIS_CHECKS_DIR}/${script}.sh" || true
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# and check again that the fix was correctly applied
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tail -n 5 /etc/ssh/sshd_config
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register_test retvalshouldbe 0
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register_test contain "^AllowUsers[[:space:]]*johnallow janeallow is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run fix_multi_allowed_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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# reset allowed users to default before continuing
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sed -i "s/ALLOWED_USERS='johnallow janeallow'/ALLOWED_USERS=''/" "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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describe Check and report mismatch for denied user
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useradd -s /bin/bash peterdeny
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sed -i "s/DENIED_USERS=''/DENIED_USERS='peterdeny'/" "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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register_test retvalshouldbe 1
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register_test contain "^AllowUsers[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*peterdeny is not present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run denied_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe Correctly apply denied user
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# the previous test checked that DENIED_USERS is set but not correctly applied in sshd_config so we apply it now
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"${CIS_CHECKS_DIR}/${script}.sh" || true
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# and check again that the fix was correctly applied
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register_test retvalshouldbe 0
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register_test contain "^AllowUsers[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*peterdeny is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run fix_denied_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --apply-all
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describe Check and report mismatch for multiple denied users
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useradd -s /bin/bash marrydeny
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sed -i "s/peterdeny/peterdeny marrydeny/" "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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register_test retvalshouldbe 1
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register_test contain "^AllowUsers[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*peterdeny marrydeny is not present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run multi_denied_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe Correctly apply multiple denied users
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# the previous test checked that DENIED_USERS is set but not correctly applied in sshd_config so we apply it now
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"${CIS_CHECKS_DIR}/${script}.sh" || true
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# and check again that the fix was correctly applied
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register_test retvalshouldbe 0
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register_test contain "^AllowUsers[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*peterdeny marrydeny is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run fix_multi_denied_user_mismatch "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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# reset to prevent other test from possibly failing in the future
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sed -i "s/DENIED_USERS='peterdeny marrydeny'/DENIED_USERS=''/" "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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"${CIS_CHECKS_DIR}/${script}.sh" || true
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describe Checking resolved state
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register_test retvalshouldbe 0
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register_test contain "^AllowUsers[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^AllowGroups[[:space:]]** is present in /etc/ssh/sshd_config"
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register_test contain "^DenyUsers[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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register_test contain "^DenyGroups[[:space:]]*nobody is present in /etc/ssh/sshd_config"
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run cleanup_resolved "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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# Cleanup
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userdel johnallow
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userdel janeallow
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userdel peterdeny
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userdel marrydeny
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describe Clean test
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pkill -9 sshd
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}
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