148 lines
4.5 KiB
Bash
Executable File
148 lines
4.5 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
#
|
|
# harbian-audit for Debian GNU/Linux 9/10/11/12 or CentOS Hardening
|
|
#
|
|
|
|
#
|
|
# 9.2.6 Set Password Creation Requirement Parameters Using pam_cracklib: audit lcredit 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
|
|
FILE_CENTOS='/etc/security/pwquality.conf'
|
|
|
|
OPTIONNAME='lcredit'
|
|
|
|
# condition
|
|
CONDT_VAL=-1
|
|
|
|
audit_debian () {
|
|
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
|
|
}
|
|
|
|
audit_centos () {
|
|
check_param_pair_by_value $FILE_CENTOS $OPTIONNAME le $CONDT_VAL
|
|
if [ $FNRET = 0 ]; then
|
|
ok "Option $OPTIONNAME set condition is less than or equal to $CONDT_VAL in $FILE_CENTOS"
|
|
elif [ $FNRET = 1 ]; then
|
|
crit "Option $OPTIONNAME set condition is greater than $CONDT_VAL in $FILE_CENTOS"
|
|
elif [ $FNRET = 2 ]; then
|
|
crit "Option $OPTIONNAME is not conf in $FILE_CENTOS"
|
|
elif [ $FNRET = 3 ]; then
|
|
crit "Config file $FILE_CENTOS is not exist!"
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit () {
|
|
if [ $OS_RELEASE -eq 1 ]; then
|
|
audit_debian
|
|
# debian11/debian12 default use pam_pwquality, same as centos
|
|
elif [ $OS_RELEASE -eq 2 -o $OS_RELEASE -eq 11 -o $OS_RELEASE -eq 12 ]; then
|
|
audit_centos
|
|
else
|
|
crit "Current OS is not support!"
|
|
FNRET=44
|
|
fi
|
|
}
|
|
|
|
apply_debian () {
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$PACKAGE is installed"
|
|
elif [ $FNRET = 1 ]; then
|
|
warn "$PACKAGE is absent, installing it"
|
|
apt_install $PACKAGE
|
|
elif [ $FNRET = 2 ]; then
|
|
warn "$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 [ $FNRET = 4 ]; then
|
|
warn "$OPTIONNAME is not conf"
|
|
add_option_to_password_check $FILE $PAMLIBNAME "$OPTIONNAME=$CONDT_VAL"
|
|
elif [ $FNRET = 5 ]; then
|
|
warn "$OPTIONNAME set is not match legally, reset it to $CONDT_VAL"
|
|
reset_option_to_password_check $FILE $PAMLIBNAME "$OPTIONNAME" "$CONDT_VAL"
|
|
fi
|
|
}
|
|
|
|
apply_centos () {
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$OPTIONNAME set condition is less than or equal to $CONDT_VAL in $FILE_CENTOS"
|
|
elif [ $FNRET = 1 ]; then
|
|
warn "Reset option $OPTIONNAME to $CONDT_VAL in $FILE_CENTOS"
|
|
replace_in_file $FILE_CENTOS "^$OPTIONNAME.*" "$OPTIONNAME = $CONDT_VAL"
|
|
elif [ $FNRET = 2 ]; then
|
|
warn "$OPTIONNAME is not conf, add to $FILE_CENTOS"
|
|
add_end_of_file $FILE_CENTOS "$OPTIONNAME = $CONDT_VAL"
|
|
elif [ $FNRET = 3 ]; then
|
|
crit "Config file $FILE_CENTOS is not exist!"
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply () {
|
|
if [ $OS_RELEASE -eq 1 ]; then
|
|
apply_debian
|
|
# debian11/debian12 default use pam_pwquality, same as centos
|
|
elif [ $OS_RELEASE -eq 2 -o $OS_RELEASE -eq 11 -o $OS_RELEASE -eq 12 ]; then
|
|
apply_centos
|
|
else
|
|
crit "Current OS is not support!"
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|