mirror of
https://github.com/ovh/debian-cis.git
synced 2024-12-04 12:38:18 +01:00
32886d3a3d
* Replace CIS_ROOT_DIR by a more flexible system * Try to adapt the logic change to the functional tests
99 lines
3.4 KiB
Bash
Executable File
99 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
|
||
|
||
# run-shellcheck
|
||
#
|
||
# CIS Debian Hardening
|
||
#
|
||
|
||
#
|
||
# 6.1.12 Ensure no ungrouped files or directories exist (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="Ensure no ungrouped files or directories exist"
|
||
|
||
GROUP='root'
|
||
EXCLUDED=''
|
||
|
||
# find emits following error if directory or file disappear during
|
||
# tree traversal: find: ‘/tmp/xxx’: No such file or directory
|
||
FIND_IGNORE_NOSUCHFILE_ERR=false
|
||
|
||
# This function will be called if the script status is on enabled / audit mode
|
||
audit() {
|
||
info "Checking if there are ungrouped files"
|
||
if [ -n "$EXCLUDED" ]; then
|
||
# maybe EXCLUDED allow us to filter out some FS
|
||
FS_NAMES=$(df --local -P | awk '{if (NR!=1) print $6}' | grep -vE "$EXCLUDED")
|
||
|
||
[ "${FIND_IGNORE_NOSUCHFILE_ERR}" = true ] && set +e
|
||
# shellcheck disable=SC2086
|
||
RESULT=$($SUDO_CMD find $FS_NAMES -xdev -ignore_readdir_race -nogroup -regextype 'egrep' ! -regex $EXCLUDED -print 2>/dev/null)
|
||
[ "${FIND_IGNORE_NOSUCHFILE_ERR}" = true ] && set -e
|
||
|
||
else
|
||
FS_NAMES=$(df --local -P | awk '{if (NR!=1) print $6}')
|
||
|
||
[ "${FIND_IGNORE_NOSUCHFILE_ERR}" = true ] && set +e
|
||
# shellcheck disable=SC2086
|
||
RESULT=$($SUDO_CMD find $FS_NAMES -xdev -ignore_readdir_race -nogroup -print 2>/dev/null)
|
||
[ "${FIND_IGNORE_NOSUCHFILE_ERR}" = true ] && set -e
|
||
fi
|
||
|
||
if [ -n "$RESULT" ]; then
|
||
crit "Some ungrouped files are present"
|
||
# shellcheck disable=SC2001
|
||
FORMATTED_RESULT=$(sed "s/ /\n/g" <<<"$RESULT" | sort | uniq | tr '\n' ' ')
|
||
crit "$FORMATTED_RESULT"
|
||
else
|
||
ok "No ungrouped files found"
|
||
fi
|
||
}
|
||
|
||
# This function will be called if the script status is on enabled mode
|
||
apply() {
|
||
if [ -n "$EXCLUDED" ]; then
|
||
# shellcheck disable=SC2086
|
||
RESULT=$(df --local -P | awk '{if (NR!=1) print $6}' | grep -vE "$EXCLUDED" | xargs -I '{}' find '{}' -xdev -ignore_readdir_race -nogroup -regextype 'egrep' ! -regex "$EXCLUDED" -ls 2>/dev/null)
|
||
else
|
||
RESULT=$(df --local -P | awk '{if (NR!=1) print $6}' | xargs -I '{}' find '{}' -xdev -ignore_readdir_race -nogroup -ls 2>/dev/null)
|
||
fi
|
||
if [ -n "$RESULT" ]; then
|
||
warn "Applying chgrp on all ungrouped files in the system"
|
||
df --local -P | awk '{if (NR!=1) print $6}' | xargs -I '{}' find '{}' -xdev -ignore_readdir_race -nogroup -print 2>/dev/null | xargs chgrp "$GROUP"
|
||
else
|
||
ok "No ungrouped files found, nothing to apply"
|
||
fi
|
||
}
|
||
|
||
# This function will check config parameters required
|
||
check_config() {
|
||
# No param for this function
|
||
:
|
||
}
|
||
|
||
# Source Root Dir Parameter
|
||
if [ -r /etc/default/cis-hardening ]; then
|
||
# shellcheck source=../../debian/default
|
||
. /etc/default/cis-hardening
|
||
fi
|
||
if [ -z "$CIS_LIB_DIR" ]; then
|
||
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
|
||
echo "Cannot source CIS_LIB_DIR variable, aborting."
|
||
exit 128
|
||
fi
|
||
|
||
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
|
||
if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
|
||
# shellcheck source=../../lib/main.sh
|
||
. "${CIS_LIB_DIR}"/main.sh
|
||
else
|
||
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
|
||
exit 128
|
||
fi
|