mirror of
https://github.com/ovh/debian-cis.git
synced 2024-11-22 13:37:02 +01:00
c17d04ecc2
I added shellcheck prefixes to fix: * SC1091 (following sourced files) * SC2034 (unused variables)
126 lines
3.9 KiB
Bash
Executable File
126 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# run-shellcheck
|
|
#
|
|
# 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
|
|
|
|
# shellcheck disable=2034
|
|
HARDENING_LEVEL=2
|
|
# shellcheck disable=2034
|
|
DESCRIPTION="Set password creation requirement parameters using pam.cracklib."
|
|
|
|
PACKAGE='libpam-pwquality'
|
|
|
|
PATTERN_COMMON='pam_pwquality.so'
|
|
FILE_COMMON='/etc/pam.d/common-password'
|
|
|
|
OPTIONS=''
|
|
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 PW_OPT in $OPTIONS; do
|
|
PW_PARAM=$(echo $PW_OPT | cut -d= -f1)
|
|
PW_VALUE=$(echo $PW_OPT | cut -d= -f2)
|
|
PATTERN="^$PW_PARAM[[:space:]]+=[[:space:]]+$PW_VALUE"
|
|
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_COMMON $PATTERN_COMMON
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$PATTERN_COMMON is present in $FILE_COMMON"
|
|
else
|
|
warn "$PATTERN_COMMON is not present in $FILE_COMMON"
|
|
add_line_file_before_pattern $FILE_COMMON "password requisite pam_pwquality.so retry=3" "# pam-auth-update(8) for details."
|
|
fi
|
|
|
|
for PW_OPT in $OPTIONS; do
|
|
PW_PARAM=$(echo $PW_OPT | cut -d= -f1)
|
|
PW_VALUE=$(echo $PW_OPT | cut -d= -f2)
|
|
PATTERN="^$PW_PARAM[[:space:]]+=[[:space:]]+$PW_VALUE"
|
|
does_pattern_exist_in_file $FILE_QUALITY $PATTERN
|
|
if [ $FNRET = 0 ]; then
|
|
ok "$PATTERN is present in $FILE_QUALITY"
|
|
else
|
|
warn "$PATTERN is not present in $FILE_QUALITY, adding it"
|
|
does_pattern_exist_in_file $FILE_QUALITY "^$PW_PARAM"
|
|
if [ $FNRET != 0 ]; then
|
|
add_end_of_file $FILE_QUALITY "$PW_PARAM = $PW_VALUE"
|
|
else
|
|
info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
|
|
replace_in_file $FILE_QUALITY "^$PW_PARAM*.*" "$PW_PARAM = $PW_VALUE"
|
|
fi
|
|
fi
|
|
done
|
|
}
|
|
|
|
# This function will create the config file for this check with default values
|
|
create_config() {
|
|
cat <<EOF
|
|
status=audit
|
|
# Put your custom configuration here
|
|
OPTIONS="minlen=14 dcredit=-1 ucredit=-1 ocredit=-1 lcredit=-1"
|
|
EOF
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
# shellcheck source=../../debian/default
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|
|
# shellcheck source=../../lib/main.sh
|
|
. $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
|