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IMP(9.3.2): Add custom configuration management

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Add create_config to allow user to customize their conf

Improve tests
Apply shellcheck recommendations
This commit is contained in:
Charles Herlin 2019-02-22 15:40:01 +01:00
parent 3d0b49a4f9
commit 0d3c8ec654
2 changed files with 37 additions and 11 deletions
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30
bin/hardening/9.3.2_sshd_loglevel.sh
View File

@ -1,5 +1,6 @@
#!/bin/bash #!/bin/bash
# run-shellcheck
# #
# CIS Debian Hardening # CIS Debian Hardening
# #
@ -11,17 +12,19 @@
set -e # One error, it's over set -e # One error, it's over
set -u # One variable unset, it's over set -u # One variable unset, it's over
# shellcheck disable=2034
HARDENING_LEVEL=2 HARDENING_LEVEL=2
# shellcheck disable=2034
DESCRIPTION="Set LogLevel to INFO for SSH." DESCRIPTION="Set LogLevel to INFO for SSH."
PACKAGE='openssh-server' PACKAGE='openssh-server'
OPTIONS='LogLevel=INFO' OPTIONS=''
FILE='/etc/ssh/sshd_config' FILE='/etc/ssh/sshd_config'
# This function will be called if the script status is on enabled / audit mode # This function will be called if the script status is on enabled / audit mode
audit () { audit () {
is_pkg_installed $PACKAGE is_pkg_installed $PACKAGE
if [ $FNRET != 0 ]; then if [ "$FNRET" != 0 ]; then
crit "$PACKAGE is not installed!" crit "$PACKAGE is not installed!"
else else
ok "$PACKAGE is installed" ok "$PACKAGE is installed"
@ -30,7 +33,7 @@ audit () {
SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2) SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2)
PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE" PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
does_pattern_exist_in_file $FILE "$PATTERN" does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then if [ "$FNRET" = 0 ]; then
ok "$PATTERN is present in $FILE" ok "$PATTERN is present in $FILE"
else else
crit "$PATTERN is not present in $FILE" crit "$PATTERN is not present in $FILE"
@ -42,7 +45,7 @@ audit () {
# This function will be called if the script status is on enabled mode # This function will be called if the script status is on enabled mode
apply () { apply () {
is_pkg_installed $PACKAGE is_pkg_installed $PACKAGE
if [ $FNRET = 0 ]; then if [ "$FNRET" = 0 ]; then
ok "$PACKAGE is installed" ok "$PACKAGE is installed"
else else
crit "$PACKAGE is absent, installing it" crit "$PACKAGE is absent, installing it"
@ -53,12 +56,12 @@ apply () {
SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2) SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2)
PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE" PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
does_pattern_exist_in_file $FILE "$PATTERN" does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then if [ "$FNRET" = 0 ]; then
ok "$PATTERN is present in $FILE" ok "$PATTERN is present in $FILE"
else else
warn "$PATTERN is not present in $FILE, adding it" warn "$PATTERN is not present in $FILE, adding it"
does_pattern_exist_in_file $FILE "^$SSH_PARAM" does_pattern_exist_in_file $FILE "^$SSH_PARAM"
if [ $FNRET != 0 ]; then if [ "$FNRET" != 0 ]; then
add_end_of_file $FILE "$SSH_PARAM $SSH_VALUE" add_end_of_file $FILE "$SSH_PARAM $SSH_VALUE"
else else
info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing" info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
@ -69,6 +72,16 @@ apply () {
done done
} }
# This function will create the config file for this check with default values
create_config() {
cat << EOF
# shellcheck disable=2034
status=audit
# Put here your loglevel for ssh
OPTIONS='LogLevel=INFO'
EOF
}
# This function will check config parameters required # This function will check config parameters required
check_config() { check_config() {
: :
@ -85,8 +98,9 @@ if [ -z "$CIS_ROOT_DIR" ]; then
fi fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled) # Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh # shellcheck source=/opt/debian-cis/lib/main.sh
. "$CIS_ROOT_DIR"/lib/main.sh
else else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening" echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
exit 128 exit 128

18
tests/hardening/9.3.2_sshd_loglevel.sh
View File

@ -1,10 +1,22 @@
# run-shellcheck # run-shellcheck
test_audit() { test_audit() {
describe Running on blank host describe Running on blank host
register_test retvalshouldbe 0 register_test retvalshouldbe 1
dismiss_count_for_test
# shellcheck disable=2154 # shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
# TODO fill comprehensive tests describe Fix state
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
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
echo "OPTIONS='LogLevel=DEBUG'" >> /opt/debian-cis/etc/conf.d/"${script}".cfg
sed -i 's/LogLevel INFO/LogLevel DEBUG/' /etc/ssh/sshd_config
describe Checking custom conf
register_test retvalshouldbe 0
run customconf /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
} }