harbian-audit/bin/hardening/10.1.3_set_password_exp_war...

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#!/bin/bash
#
# harbian-audit for Debian GNU/Linux 7/8/9 or CentOS 8 Hardening
#
#
# 10.1.3 Set Password Expiring Warning Days (Scored)
# Modify by: Samson-W (sccxboy@gmail.com)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
OPTIONS='PASS_WARN_AGE=7'
FILE='/etc/login.defs'
SHA_FILE='/etc/shadow'
# This function will be called if the script status is on enabled / audit mode
audit () {
SSH_PARAM=$(echo $OPTIONS | cut -d= -f 1)
SSH_VALUE=$(echo $OPTIONS | cut -d= -f 2)
PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
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"
fi
if [ $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '$6 < "'$SSH_VALUE'" {print $1}' | wc -l) -gt 0 ]; then
crit "Have least user's maxinum password lifttime is greater than $SSH_VALUE day"
else
ok "All user's maxinum password lifttime is equal or less than $SSH_VALUE day"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
SSH_PARAM=$(echo $OPTIONS | cut -d= -f 1)
SSH_VALUE=$(echo $OPTIONS | cut -d= -f 2)
PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
does_pattern_exist_in_file $FILE "$PATTERN"
if [ $FNRET = 0 ]; then
ok "$PATTERN is present in $FILE"
else
warn "$PATTERN is not present in $FILE, adding it"
does_pattern_exist_in_file $FILE "^$SSH_PARAM"
if [ $FNRET != 0 ]; then
add_end_of_file $FILE "$SSH_PARAM $SSH_VALUE"
else
info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
replace_in_file $FILE "^$SSH_PARAM[[:space:]]*.*" "$SSH_PARAM $SSH_VALUE"
fi
fi
if [ $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '$6 < "'$SSH_VALUE'" {print $1}' | wc -l) -gt 0 ]; then
warn "Have least user's maxinum password lifttime is greater than $SSH_VALUE day, Fixing"
for USERNAME in $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '$6 < "'$SSH_VALUE'" {print $1}');
do
chage --warndays $SSH_VALUE $USERNAME
done
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$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