debian-cis/tests/hardening/5.2.7_sshd_maxauthtries.sh
Thibault Ayanides 9e6c9a0d8a
Accept lower values (#95)
* IMP(5.2.23): accept lower value as valid

* IMP(5.2.7): accept lower value as valid
2021-04-27 16:04:13 +02:00

39 lines
1.5 KiB
Bash

# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 1
register_test contain "openssh-server is installed"
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
echo "MaxAuthTries 2" >>/etc/ssh/sshd_config
describe Running restrictive
register_test retvalshouldbe 0
register_test contain "[ OK ] 2 is lower than recommended 4"
run restrictive /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
# delete last line
sed -i '$ d' /etc/ssh/sshd_config
echo "MaxAuthTries 6" >>/etc/ssh/sshd_config
describe Running too permissive
register_test retvalshouldbe 1
register_test contain "[ KO ] 6 is higher than recommended 4"
run permissive /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
describe Correcting situation
# `apply` performs a service reload after each change in the config file
# the service needs to be started for the reload to succeed
service ssh start
# if the audit script provides "apply" option, enable and run it
sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
/opt/debian-cis/bin/hardening/"${script}".sh || true
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] ^MaxAuthTries[[:space:]]*4 is present in /etc/ssh/sshd_config"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}