Renum warning banners checks 11.x to 1.7.x

new file:   bin/hardening/1.7.1.1_remove_os_info_motd.sh
	renamed:    bin/hardening/11.2_remove_os_info_warning_banners.sh -> bin/hardening/1.7.1.2_remove_os_info_issue.sh
	new file:   bin/hardening/1.7.1.3_remove_os_info_issue_net.sh
	new file:   bin/hardening/1.7.1.4_motd_perms.sh
	new file:   bin/hardening/1.7.1.5_etc_issue_perms.sh
	new file:   bin/hardening/1.7.1.6_etc_issue_net_perms.sh
	renamed:    bin/hardening/11.3_graphical_warning_banners.sh -> bin/hardening/1.7.2_graphical_warning_banners.sh
	deleted:    bin/hardening/11.1_warning_banners.sh
	renamed:    tests/hardening/11.3_graphical_warning_banners.sh -> tests/hardening/1.7.1.1_remove_os_info_motd.sh
	renamed:    tests/hardening/11.2_remove_os_info_warning_banners.sh -> tests/hardening/1.7.1.2_remove_os_info_issue.sh
	renamed:    tests/hardening/11.1_warning_banners.sh -> tests/hardening/1.7.1.3_remove_os_info_issue_net.sh
	new file:   tests/hardening/1.7.1.4_warning_banners.sh
	new file:   tests/hardening/1.7.2_graphical_warning_banners.sh
This commit is contained in:
Charles Herlin 2019-09-12 15:42:22 +02:00 committed by Thibault Ayanides
parent fbb73d1953
commit a085785321
13 changed files with 421 additions and 111 deletions

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@ -0,0 +1,62 @@
#!/bin/bash
#
# CIS Debian Hardening
#
#
# 1.7.1.1 Ensure message of the day is configured properly (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
DESCRIPTION="Remove OS information from motd"
FILE='/etc/motd'
PATTERN='(\\v|\\r|\\m|\\s)'
# This function will be called if the script status is on enabled / audit mode
audit () {
does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then
crit "$PATTERN is present in $FILE"
else
ok "$PATTERN is not present in $FILE"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then
warn "$PATTERN is present in $FILE"
delete_line_in_file $FILE $PATTERN
else
ok "$PATTERN is not present in $FILE"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
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
fi

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@ -5,7 +5,7 @@
# #
# #
# 11.2 Remove OS Information from Login Warning Banners (Scored) # 1.7.1.2 Ensure local login warning banner is configured properly (Scored)
# #
set -e # One error, it's over set -e # One error, it's over
@ -14,24 +14,21 @@ set -u # One variable unset, it's over
HARDENING_LEVEL=3 HARDENING_LEVEL=3
DESCRIPTION="Remove OS information from Login Warning Banners." DESCRIPTION="Remove OS information from Login Warning Banners."
FILES='/etc/motd /etc/issue /etc/issue.net' FILE='/etc/issue'
PATTERN='(\\v|\\r|\\m|\\s)' PATTERN='(\\v|\\r|\\m|\\s)'
# 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 () {
for FILE in $FILES; do
does_pattern_exist_in_file $FILE "$PATTERN" does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then if [ $FNRET = 0 ]; then
crit "$PATTERN is present in $FILE" crit "$PATTERN is present in $FILE"
else else
ok "$PATTERN is not present in $FILE" ok "$PATTERN is not present in $FILE"
fi fi
done
} }
# 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 () {
for FILE in $FILES; do
does_pattern_exist_in_file $FILE "$PATTERN" does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then if [ $FNRET = 0 ]; then
warn "$PATTERN is present in $FILE" warn "$PATTERN is present in $FILE"
@ -39,7 +36,6 @@ apply () {
else else
ok "$PATTERN is not present in $FILE" ok "$PATTERN is not present in $FILE"
fi fi
done
} }
# This function will check config parameters required # This function will check config parameters required

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@ -0,0 +1,62 @@
#!/bin/bash
#
# CIS Debian Hardening
#
#
# 1.7.1.3 Ensure remote login warning banner is configured properly (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
DESCRIPTION="Remove OS information from remote Login Warning Banners."
FILE='/etc/issue.net'
PATTERN='(\\v|\\r|\\m|\\s)'
# This function will be called if the script status is on enabled / audit mode
audit () {
does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then
crit "$PATTERN is present in $FILE"
else
ok "$PATTERN is not present in $FILE"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then
warn "$PATTERN is present in $FILE"
delete_line_in_file $FILE $PATTERN
else
ok "$PATTERN is not present in $FILE"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
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
fi

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@ -0,0 +1,87 @@
#!/bin/bash
#
# CIS Debian Hardening
#
#
# 1.7.1.4 Ensure permissions on /etc/motd are configured (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
DESCRIPTION="Checking root ownership and 644 permissions on banner files : /etc/motd|issue|issue.net ."
PERMISSIONS='644'
USER='root'
GROUP='root'
FILE='/etc/motd'
# 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"
continue
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
crit "$FILE ownership was not set to $USER:$GROUP"
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
crit "$FILE permissions were not set to $PERMISSIONS"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_file_exist $FILE
if [ $FNRET != 0 ]; then
info "$FILE does not exist"
touch $FILE
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
warn "fixing $FILE ownership to $USER:$GROUP"
chown $USER:$GROUP $FILE
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
info "fixing $FILE permissions to $PERMISSIONS"
chmod 0$PERMISSIONS $FILE
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
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
fi

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@ -0,0 +1,87 @@
#!/bin/bash
#
# CIS Debian Hardening
#
#
# 1.7.1.4 Ensure permissions on /etc/issue are configured (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
DESCRIPTION="Checking root ownership and 644 permissions on banner files : /etc/motd|issue|issue.net ."
PERMISSIONS='644'
USER='root'
GROUP='root'
FILE='/etc/issue'
# 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"
continue
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
crit "$FILE ownership was not set to $USER:$GROUP"
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
crit "$FILE permissions were not set to $PERMISSIONS"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_file_exist $FILE
if [ $FNRET != 0 ]; then
info "$FILE does not exist"
touch $FILE
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
warn "fixing $FILE ownership to $USER:$GROUP"
chown $USER:$GROUP $FILE
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
info "fixing $FILE permissions to $PERMISSIONS"
chmod 0$PERMISSIONS $FILE
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
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
fi

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@ -0,0 +1,87 @@
#!/bin/bash
#
# CIS Debian Hardening
#
#
# 1.7.1.4 Ensure permissions on /etc/issue.net are configured (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
DESCRIPTION="Checking root ownership and 644 permissions on banner files : /etc/motd|issue|issue.net ."
PERMISSIONS='644'
USER='root'
GROUP='root'
FILE='/etc/issue.net'
# 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"
continue
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
crit "$FILE ownership was not set to $USER:$GROUP"
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
crit "$FILE permissions were not set to $PERMISSIONS"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_file_exist $FILE
if [ $FNRET != 0 ]; then
info "$FILE does not exist"
touch $FILE
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
warn "fixing $FILE ownership to $USER:$GROUP"
chown $USER:$GROUP $FILE
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
info "fixing $FILE permissions to $PERMISSIONS"
chmod 0$PERMISSIONS $FILE
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
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
fi

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@ -5,7 +5,7 @@
# #
# #
# 11.3 Set Graphical Warning Banner (Not Scored) # 1.7.2 Ensure GDM login banner is configured (Scored)
# #
set -e # One error, it's over set -e # One error, it's over

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@ -1,91 +0,0 @@
#!/bin/bash
#
# CIS Debian Hardening
#
#
# 11.1 Set Warning Banner for Standard Login Services (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
DESCRIPTION="Checking root ownership and 644 permissions on banner files : /etc/motd|issue|issue.net ."
PERMISSIONS='644'
USER='root'
GROUP='root'
FILES='/etc/motd /etc/issue /etc/issue.net'
# This function will be called if the script status is on enabled / audit mode
audit () {
for FILE in $FILES; do
does_file_exist $FILE
if [ $FNRET != 0 ]; then
crit "$FILE does not exist"
continue
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
crit "$FILE ownership was not set to $USER:$GROUP"
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
crit "$FILE permissions were not set to $PERMISSIONS"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
for FILE in $FILES; do
does_file_exist $FILE
if [ $FNRET != 0 ]; then
info "$FILE does not exist"
touch $FILE
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
warn "fixing $FILE ownership to $USER:$GROUP"
chown $USER:$GROUP $FILE
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
info "fixing $FILE permissions to $PERMISSIONS"
chmod 0$PERMISSIONS $FILE
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
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
fi

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@ -0,0 +1,10 @@
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
# TODO fill comprehensive tests
}

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@ -0,0 +1,10 @@
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
# TODO fill comprehensive tests
}