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)
79 lines
2.3 KiB
Bash
Executable File
79 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# run-shellcheck
|
|
#
|
|
# CIS Debian Hardening
|
|
#
|
|
|
|
#
|
|
# 6.2.20 Ensure shadow group is empty (Scored)
|
|
#
|
|
|
|
set -e # One error, it's over
|
|
set -u # One variable unset, it's over
|
|
|
|
# shellcheck disable=2034
|
|
HARDENING_LEVEL=1
|
|
# shellcheck disable=2034
|
|
DESCRIPTION="There is no user in shadow group (that can read /etc/shadow file)."
|
|
|
|
ERRORS=0
|
|
FILEGROUP='/etc/group'
|
|
PATTERN='^shadow:x:[[:digit:]]+:'
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit () {
|
|
does_pattern_exist_in_file $FILEGROUP $PATTERN
|
|
if [ $FNRET = 0 ]; then
|
|
info "shadow group exists"
|
|
RESULT=$(grep -E "$PATTERN" $FILEGROUP | cut -d: -f4)
|
|
GROUPID=$(getent group shadow | cut -d: -f3)
|
|
debug "$RESULT $GROUPID"
|
|
if [ ! -z "$RESULT" ]; then
|
|
crit "Some users belong to shadow group: $RESULT"
|
|
else
|
|
ok "No user belongs to shadow group"
|
|
fi
|
|
|
|
info "Checking if a user has $GROUPID as primary group"
|
|
RESULT=$(awk -F: '($4 == shadowid) { print $1 }' shadowid=$GROUPID /etc/passwd)
|
|
if [ ! -z "$RESULT" ]; then
|
|
crit "Some users have shadow id as their primary group: $RESULT"
|
|
else
|
|
ok "No user has shadow id as their primary group"
|
|
fi
|
|
else
|
|
crit "shadow group doesn't exist"
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply () {
|
|
info "Editing automatically users/groups may seriously harm your system, report only here"
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
# shellcheck source=../../debian/default
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|