debian-cis/bin/hardening/5.3.1_enable_cracklib.sh
Charles Herlin c863a01305 Renum 9.2.x to 5.3.x Pam password settings
renamed:    bin/hardening/9.2.1_enable_cracklib.sh -> bin/hardening/5.3.1_enable_cracklib.sh
	renamed:    bin/hardening/9.2.2_enable_lockout_failed_password.sh -> bin/hardening/5.3.2_enable_lockout_failed_password.sh
	renamed:    bin/hardening/9.2.3_limit_password_reuse.sh -> bin/hardening/5.3.3_limit_password_reuse.sh
	renamed:    tests/hardening/9.2.1_enable_cracklib.sh -> tests/hardening/5.3.1_enable_cracklib.sh
	renamed:    tests/hardening/9.2.3_limit_password_reuse.sh -> tests/hardening/5.3.2_enable_lockout_failed_password.sh
	renamed:    tests/hardening/9.2.2_enable_lockout_failed_password.sh -> tests/hardening/5.3.3_limit_password_reuse.sh
2019-09-11 15:40:00 +02:00

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#!/bin/bash
#
# CIS Debian Hardening
#
#
# 5.3.1 Ensure password creation requirements are configured (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=2
DESCRIPTION="Set password creation requirement parameters using pam.cracklib."
PACKAGE='libpam-pwquality'
PATTERN_COMMON="pam_pwquality.so"
FILE_COMMON="/etc/pam.d/common-password"
PATTERNS_QUALITY=""
FILE_QUALITY="/etc/security/pwquality.conf"
# This function will be called if the script status is on enabled / audit mode
audit () {
is_pkg_installed $PACKAGE
if [ $FNRET != 0 ]; then
crit "$PACKAGE is not installed!"
else
ok "$PACKAGE is installed"
does_pattern_exist_in_file $FILE_COMMON $PATTERN_COMMON
if [ $FNRET = 0 ]; then
ok "$PATTERN_COMMON is present in $FILE_COMMON"
else
crit "$PATTERN_COMMON is not present in $FILE_COMMON"
fi
for PATTERN in $PATTERNS_QUALITY; do
OPTION=$(cut -d = -f 1 <<< $PATTERN)
PARAM=$(cut -d = -f 2 <<< $PATTERN)
PATTERN="$OPTION *= *$PARAM"
does_pattern_exist_in_file $FILE_QUALITY $PATTERN
if [ $FNRET = 0 ]; then
ok "$PATTERN is present in $FILE_QUALITY"
else
crit "$PATTERN is not present in $FILE_QUALITY"
fi
done
fi
}
# This function will be called if the script status is on enabled mode
apply () {
is_pkg_installed $PACKAGE
if [ $FNRET = 0 ]; then
ok "$PACKAGE is installed"
else
crit "$PACKAGE is absent, installing it"
apt_install $PACKAGE
fi
does_pattern_exist_in_file $FILE $PATTERN
if [ $FNRET = 0 ]; then
ok "$PATTERN is present in $FILE"
else
crit "$PATTERN is not present in $FILE"
add_line_file_before_pattern $FILE "password requisite pam_cracklib.so retry=3 minlen=8 difok=3" "# pam-auth-update(8) for details."
fi
}
# This function will create the config file for this check with default values
create_config() {
cat <<EOF
status=audit
# Put your custom configuration here
PATTERNS_QUALITY="^minlen=14 ^dcredit=-1 ^ucredit=-1 ^ocredit=-1 ^lcredit=-1"
EOF
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$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