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ADD(4.2.2.x): add journald checks

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This commit is contained in:
Thibault Ayanides 2021-01-04 10:10:47 +01:00
parent a5e1cb90cd
commit 0ca73899d3
6 changed files with 195 additions and 9 deletions
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50
bin/hardening/4.2.2.1_journald_logs.sh
View File

@ -17,14 +17,60 @@ HARDENING_LEVEL=3
# shellcheck disable=2034
DESCRIPTION="Configure journald to send logs to syslog-ng."
FILE='/etc/systemd/journald.conf'
OPTIONS='ForwardToSyslog=yes'
# This function will be called if the script status is on enabled / audit mode
audit() {
:
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
crit "$FILE does not exist"
else
ok "$FILE exists, checking configuration"
for JOURNALD_OPTION in $OPTIONS; do
JOURNALD_PARAM=$(echo "$JOURNALD_OPTION" | cut -d= -f 1)
JOURNALD_VALUE=$(echo "$JOURNALD_OPTION" | cut -d= -f 2)
PATTERN="^$JOURNALD_PARAM=$JOURNALD_VALUE"
debug "$JOURNALD_PARAM should be set to $JOURNALD_VALUE"
does_pattern_exist_in_file "$FILE" "$PATTERN"
if [ "$FNRET" != 0 ]; then
crit "$PATTERN is not present in $FILE"
else
ok "$PATTERN is present in $FILE"
fi
done
fi
}
# This function will be called if the script status is on enabled mode
apply() {
:
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
warn "$FILE does not exist, creating it"
touch "$FILE"
else
ok "$FILE exists"
fi
for JOURNALD_OPTION in $OPTIONS; do
JOURNALD_PARAM=$(echo "$JOURNALD_OPTION" | cut -d= -f 1)
JOURNALD_VALUE=$(echo "$JOURNALD_OPTION" | cut -d= -f 2)
debug "$JOURNALD_PARAM should be set to $JOURNALD_VALUE"
PATTERN="^$JOURNALD_PARAM=$JOURNALD_VALUE"
does_pattern_exist_in_file "$FILE" "$PATTERN"
if [ "$FNRET" != 0 ]; then
warn "$PATTERN is not present in $FILE, adding it"
does_pattern_exist_in_file "$FILE" "^$JOURNALD_PARAM"
if [ "$FNRET" != 0 ]; then
info "Parameter $JOURNALD_PARAM seems absent from $FILE, adding at the end"
add_end_of_file "$FILE" "$JOURNALD_PARAM = $JOURNALD_VALUE"
else
info "Parameter $JOURNALD_PARAM is present but with the wrong value -- Fixing"
replace_in_file "$FILE" "^$JOURNALD_PARAM=.*" "$JOURNALD_PARAM=$JOURNALD_VALUE"
fi
else
ok "$PATTERN is present in $FILE"
fi
done
}
# This function will check config parameters required

50
bin/hardening/4.2.2.2_journald_compress.sh
View File

@ -17,14 +17,60 @@ HARDENING_LEVEL=3
# shellcheck disable=2034
DESCRIPTION="Configure journald to send logs to syslog-ng."
FILE='/etc/systemd/journald.conf'
OPTIONS='Compress=yes'
# This function will be called if the script status is on enabled / audit mode
audit() {
:
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
crit "$FILE does not exist"
else
ok "$FILE exists, checking configuration"
for JOURNALD_OPTION in $OPTIONS; do
JOURNALD_PARAM=$(echo "$JOURNALD_OPTION" | cut -d= -f 1)
JOURNALD_VALUE=$(echo "$JOURNALD_OPTION" | cut -d= -f 2)
PATTERN="^$JOURNALD_PARAM=$JOURNALD_VALUE"
debug "$JOURNALD_PARAM should be set to $JOURNALD_VALUE"
does_pattern_exist_in_file "$FILE" "$PATTERN"
if [ "$FNRET" != 0 ]; then
crit "$PATTERN is not present in $FILE"
else
ok "$PATTERN is present in $FILE"
fi
done
fi
}
# This function will be called if the script status is on enabled mode
apply() {
:
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
warn "$FILE does not exist, creating it"
touch "$FILE"
else
ok "$FILE exists"
fi
for JOURNALD_OPTION in $OPTIONS; do
JOURNALD_PARAM=$(echo "$JOURNALD_OPTION" | cut -d= -f 1)
JOURNALD_VALUE=$(echo "$JOURNALD_OPTION" | cut -d= -f 2)
debug "$JOURNALD_PARAM should be set to $JOURNALD_VALUE"
PATTERN="^$JOURNALD_PARAM=$JOURNALD_VALUE"
does_pattern_exist_in_file "$FILE" "$PATTERN"
if [ "$FNRET" != 0 ]; then
warn "$PATTERN is not present in $FILE, adding it"
does_pattern_exist_in_file "$FILE" "^$JOURNALD_PARAM"
if [ "$FNRET" != 0 ]; then
info "Parameter $JOURNALD_PARAM seems absent from $FILE, adding at the end"
add_end_of_file "$FILE" "$JOURNALD_PARAM = $JOURNALD_VALUE"
else
info "Parameter $JOURNALD_PARAM is present but with the wrong value -- Fixing"
replace_in_file "$FILE" "^$JOURNALD_PARAM=.*" "$JOURNALD_PARAM=$JOURNALD_VALUE"
fi
else
ok "$PATTERN is present in $FILE"
fi
done
}
# This function will check config parameters required

50
bin/hardening/4.2.2.3_journald_write_persistent.sh
View File

@ -17,14 +17,60 @@ HARDENING_LEVEL=3
# shellcheck disable=2034
DESCRIPTION="Configure journald to write to a persistent location."
FILE='/etc/systemd/journald.conf'
OPTIONS='Storage=persistent'
# This function will be called if the script status is on enabled / audit mode
audit() {
:
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
crit "$FILE does not exist"
else
ok "$FILE exists, checking configuration"
for JOURNALD_OPTION in $OPTIONS; do
JOURNALD_PARAM=$(echo "$JOURNALD_OPTION" | cut -d= -f 1)
JOURNALD_VALUE=$(echo "$JOURNALD_OPTION" | cut -d= -f 2)
PATTERN="^$JOURNALD_PARAM=$JOURNALD_VALUE"
debug "$JOURNALD_PARAM should be set to $JOURNALD_VALUE"
does_pattern_exist_in_file "$FILE" "$PATTERN"
if [ "$FNRET" != 0 ]; then
crit "$PATTERN is not present in $FILE"
else
ok "$PATTERN is present in $FILE"
fi
done
fi
}
# This function will be called if the script status is on enabled mode
apply() {
:
does_file_exist "$FILE"
if [ "$FNRET" != 0 ]; then
warn "$FILE does not exist, creating it"
touch "$FILE"
else
ok "$FILE exists"
fi
for JOURNALD_OPTION in $OPTIONS; do
JOURNALD_PARAM=$(echo "$JOURNALD_OPTION" | cut -d= -f 1)
JOURNALD_VALUE=$(echo "$JOURNALD_OPTION" | cut -d= -f 2)
debug "$JOURNALD_PARAM should be set to $JOURNALD_VALUE"
PATTERN="^$JOURNALD_PARAM=$JOURNALD_VALUE"
does_pattern_exist_in_file "$FILE" "$PATTERN"
if [ "$FNRET" != 0 ]; then
warn "$PATTERN is not present in $FILE, adding it"
does_pattern_exist_in_file "$FILE" "^$JOURNALD_PARAM"
if [ "$FNRET" != 0 ]; then
info "Parameter $JOURNALD_PARAM seems absent from $FILE, adding at the end"
add_end_of_file "$FILE" "$JOURNALD_PARAM = $JOURNALD_VALUE"
else
info "Parameter $JOURNALD_PARAM is present but with the wrong value -- Fixing"
replace_in_file "$FILE" "^$JOURNALD_PARAM=.*" "$JOURNALD_PARAM=$JOURNALD_VALUE"
fi
else
ok "$PATTERN is present in $FILE"
fi
done
}
# This function will check config parameters required

18
tests/hardening/4.2.2.1_journald_logs.sh
View File

@ -7,5 +7,21 @@ test_audit() {
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
# TODO fill comprehensive tests
local FILE="/etc/systemd/journald.conf"
describe Tests purposely failing
echo "ForwardToSyslog=no" >>"$FILE"
register_test retvalshouldbe 1
register_test contain "$FILE exists, checking configuration"
register_test contain "is not present in $FILE"
run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
describe correcting situation
sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
/opt/debian-cis/bin/hardening/"${script}".sh --apply || true
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "is present in $FILE"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

18
tests/hardening/4.2.2.2_journald_compress.sh
View File

@ -7,5 +7,21 @@ test_audit() {
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
# TODO fill comprehensive tests
local FILE="/etc/systemd/journald.conf"
describe Tests purposely failing
echo "Compress=no" >>"$FILE"
register_test retvalshouldbe 1
register_test contain "$FILE exists, checking configuration"
register_test contain "is not present in $FILE"
run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
describe correcting situation
sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
/opt/debian-cis/bin/hardening/"${script}".sh --apply || true
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "is present in $FILE"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

18
tests/hardening/4.2.2.3_journald_write_persistent.sh
View File

@ -7,5 +7,21 @@ test_audit() {
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
# TODO fill comprehensive tests
local FILE="/etc/systemd/journald.conf"
describe Tests purposely failing
echo "Storage=none" >>"$FILE"
register_test retvalshouldbe 1
register_test contain "$FILE exists, checking configuration"
register_test contain "is not present in $FILE"
run noncompliant /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
describe correcting situation
sed -i 's/audit/enabled/' /opt/debian-cis/etc/conf.d/"${script}".cfg
/opt/debian-cis/bin/hardening/"${script}".sh --apply || true
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "is present in $FILE"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}