harbian-audit/bin/hardening/9.2.17_pam_password_sha512_...

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#!/bin/bash
#
# harbian-audit for Debian GNU/Linux 7/8/9/10 or CentOS Hardening
#
#
# 9.2.13 Set password with the SHA512 algorithm (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=3
PACKAGE='libpam-modules'
PATTERN='^password.*pam_unix.so'
FILE='/etc/pam.d/common-password'
KEYWORD='pam_unix.so'
OPTIONNAME='sha512'
ROUNDS_KEY='rounds'
ROUNDS_V='5000'
# For CentOS
FILES='/etc/pam.d/system-auth /etc/pam.d/password-auth'
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_no_param_option_by_pam $KEYWORD $OPTIONNAME $FILE
if [ $FNRET = 0 ]; then
ok "$OPTIONNAME is already configured"
else
crit "$OPTIONNAME is not configured"
fi
check_param_pair_by_pam $FILE $KEYWORD $ROUNDS_KEY ge $ROUNDS_V
if [ $FNRET = 0 ]; then
ok "$ROUNDS_KEY set condition is $ROUNDS_V"
else
crit "$ROUNDS_KEY set is not match legally, $ROUNDS_KEY is set $ROUNDS_V"
#FNRET=3
fi
else
crit "$PATTERN is not present in $FILE"
FNRET=2
fi
fi
}
audit_centos () {
for FILE in $FILES; do
does_pattern_exist_in_file $FILE "$PATTERN.*$OPTIONNAME"
if [ $FNRET -eq 0 ]; then
ok "$OPTIONNAME is already configured in $FILE"
else
crit "$OPTIONNAME is not configured in $FILE"
fi
done
}
# This function will be called if the script status is on enabled / audit mode
audit () {
if [ $OS_RELEASE -eq 1 ]; then
audit_debian
elif [ $OS_RELEASE -eq 2 ]; 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_line_file_before_pattern $FILE "password [success=1 default=ignore] pam_unix.so obscure sha512 rounds=5000" "# pam-auth-update(8) for details."
fi
check_no_param_option_by_pam $KEYWORD $OPTIONNAME $FILE
if [ $FNRET = 3 ]; then
crit "$FILE is not exist, please check"
elif [ $FNRET = 4 ]; then
warn "$OPTIONNAME is not conf in $FILE"
add_option_to_password_check $FILE $KEYWORD $OPTIONNAME
fi
check_param_pair_by_pam $FILE $KEYWORD $ROUNDS_KEY ge $ROUNDS_V
if [ $FNRET = 3 ]; then
crit "$FILE is not exist, please check"
elif [ $FNRET = 4 ]; then
warn "$ROUNDS_KEY is not conf"
add_option_to_password_check $FILE $KEYWORD "$ROUNDS_KEY=$ROUNDS_V"
elif [ $FNRET = 5 ]; then
warn "$ROUNDS_KEY set is not match legally, reset it to $ROUNDS_V"
reset_option_to_password_check $FILE $KEYWORD "$ROUNDS_KEY" "$ROUNDS_V"
fi
}
apply_centos () {
for FILE in $FILES; do
does_pattern_exist_in_file $FILE "$PATTERN.*$OPTIONNAME"
if [ $FNRET -eq 0 ]; then
ok "$OPTIONNAME is already configured in $FILE"
else
warn "$OPTIONNAME is not configured in $FILE, set it"
sed -i "s;\($PATTERN.*\);\1 $OPTIONNAME;" $FILE
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
if [ $OS_RELEASE -eq 1 ]; then
apply_debian
elif [ $OS_RELEASE -eq 2 ]; then
apply_centos
else
crit "Current OS is not support!"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$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