120 lines
3.6 KiB
Bash
Executable File
120 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
#
|
|
# harbian-audit for Debian GNU/Linux 7/8/9/10/11/12 or CentOS Hardening
|
|
#
|
|
|
|
#
|
|
# 9.2.1 Set Password Creation Requirement Parameters Using pam_cracklib: audit retry option (Scored)
|
|
# Author : Samson wen, Samson <sccxboy@gmail.com>
|
|
#
|
|
|
|
set -e # One error, it's over
|
|
set -u # One variable unset, it's over
|
|
|
|
HARDENING_LEVEL=2
|
|
|
|
PACKAGE='libpam-cracklib'
|
|
PAMLIBNAME='pam_cracklib.so'
|
|
PATTERN='^password.*pam_cracklib.so'
|
|
FILE='/etc/pam.d/common-password'
|
|
|
|
# Redhat/CentOS default use pam_pwquality
|
|
PACKAGE_CENTOS='libpwquality'
|
|
PAMLIBNAME_CENTOS='pam_pwquality.so'
|
|
PATTERN_CENTOS='^password.*pam_pwquality.so'
|
|
FILE_CENTOS='/etc/pam.d/system-auth'
|
|
|
|
# debian11/debian12 default use pam_pwquality
|
|
PACKAGE_DEBIAN11='libpam-pwquality'
|
|
PAMLIBNAME_DEBIAN11='pam_pwquality.so'
|
|
PATTERN_DEBIAN11='^password.*pam_pwquality.so'
|
|
|
|
OPTIONNAME='retry'
|
|
|
|
# condition
|
|
CONDT_VAL=3
|
|
|
|
# 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!"
|
|
FNRET=1
|
|
else
|
|
ok "$PACKAGE is installed"
|
|
does_pattern_exist_in_file $FILE $PATTERN
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$PATTERN is present in $FILE"
|
|
check_param_pair_by_pam $FILE $PAMLIBNAME $OPTIONNAME le $CONDT_VAL
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$OPTIONNAME set condition is less than or equal to $CONDT_VAL"
|
|
else
|
|
crit "$OPTIONNAME set condition is greater than $CONDT_VAL"
|
|
#FNRET=3
|
|
fi
|
|
else
|
|
crit "$PATTERN is not present in $FILE"
|
|
FNRET=2
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply () {
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$PACKAGE is installed"
|
|
elif [ $FNRET = 1 ]; then
|
|
crit "$PACKAGE is absent, installing it"
|
|
if [ $OS_RELEASE -eq 2 ]; then
|
|
yum install -y $PACKAGE
|
|
else
|
|
apt_install $PACKAGE
|
|
fi
|
|
elif [ $FNRET = 2 ]; then
|
|
crit "$PATTERN is not present in $FILE, add default config to $FILE"
|
|
add_line_file_before_pattern $FILE "password requisite pam_cracklib.so retry=3 minlen=15 difok=3" "# pam-auth-update(8) for details."
|
|
elif [ $FNRET = 3 ]; then
|
|
crit "$FILE is not exist, please check"
|
|
elif [ $FNRET = 4 ]; then
|
|
crit "$OPTIONNAME is not conf"
|
|
add_option_to_password_check $FILE $PAMLIBNAME "$OPTIONNAME=$CONDT_VAL"
|
|
elif [ $FNRET = 5 ]; then
|
|
crit "$OPTIONNAME set is not match legally, reset it to $CONDT_VAL"
|
|
reset_option_to_password_check $FILE $PAMLIBNAME "$OPTIONNAME" "$CONDT_VAL"
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
if [ $OS_RELEASE -eq 2 ]; then
|
|
PACKAGE=$PACKAGE_CENTOS
|
|
PAMLIBNAME=$PAMLIBNAME_CENTOS
|
|
PATTERN=$PATTERN_CENTOS
|
|
FILE=$FILE_CENTOS
|
|
fi
|
|
if [ $OS_RELEASE -eq 11 -o $OS_RELEASE -eq 12 ]; then
|
|
PACKAGE=$PACKAGE_DEBIAN11
|
|
PAMLIBNAME=$PAMLIBNAME_DEBIAN11
|
|
PATTERN=$PATTERN_DEBIAN11
|
|
fi
|
|
}
|
|
|
|
# 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
|