mirror of
https://github.com/ovh/debian-cis.git
synced 2024-11-25 23:11:24 +01:00
118 lines
3.7 KiB
Bash
Executable File
118 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# run-shellcheck
|
|
#
|
|
# CIS Debian Hardening
|
|
#
|
|
|
|
#
|
|
# 5.4.4 Ensure default user umask is 027 or more restrictive (Scored)
|
|
#
|
|
|
|
set -e # One error, it's over
|
|
set -u # One variable unset, it's over
|
|
|
|
# shellcheck disable=2034
|
|
HARDENING_LEVEL=3
|
|
# shellcheck disable=2034
|
|
DESCRIPTION="Set default mask for users to 077."
|
|
|
|
USER='root'
|
|
PATTERN='umask 077'
|
|
FILES_TO_SEARCH='/etc/bash.bashrc /etc/profile.d /etc/profile'
|
|
FILE='/etc/profile.d/CIS_10.4_umask.sh'
|
|
|
|
# This function will be called if the script status is on enabled / audit mode
|
|
audit() {
|
|
SEARCH_RES=0
|
|
for FILE_SEARCHED in $FILES_TO_SEARCH; do
|
|
if [ "$SEARCH_RES" = 1 ]; then break; fi
|
|
if test -d "$FILE_SEARCHED"; then
|
|
debug "$FILE_SEARCHED is a directory"
|
|
for file_in_dir in "$FILE_SEARCHED"/*; do
|
|
[[ -e "$file_in_dir" ]] || break # handle the case of no file in dir
|
|
does_pattern_exist_in_file "$file_in_dir" "^$PATTERN"
|
|
if [ "$FNRET" != 0 ]; then
|
|
debug "$PATTERN is not present in $file_in_dir"
|
|
else
|
|
ok "$PATTERN is present in $file_in_dir"
|
|
SEARCH_RES=1
|
|
break
|
|
fi
|
|
done
|
|
else
|
|
does_pattern_exist_in_file "$FILE_SEARCHED" "^$PATTERN"
|
|
if [ "$FNRET" != 0 ]; then
|
|
debug "$PATTERN is not present in $FILE_SEARCHED"
|
|
else
|
|
ok "$PATTERN is present in $FILES_TO_SEARCH"
|
|
SEARCH_RES=1
|
|
fi
|
|
fi
|
|
done
|
|
if [ "$SEARCH_RES" = 0 ]; then
|
|
crit "$PATTERN is not present in $FILES_TO_SEARCH"
|
|
fi
|
|
}
|
|
|
|
# This function will be called if the script status is on enabled mode
|
|
apply() {
|
|
SEARCH_RES=0
|
|
for FILE_SEARCHED in $FILES_TO_SEARCH; do
|
|
if [ "$SEARCH_RES" = 1 ]; then break; fi
|
|
if test -d "$FILE_SEARCHED"; then
|
|
debug "$FILE_SEARCHED is a directory"
|
|
for file_in_dir in "$FILE_SEARCHED"/*; do
|
|
[[ -e "$file_in_dir" ]] || break # handle the case of no file in dir
|
|
does_pattern_exist_in_file "$file_in_dir" "^$PATTERN"
|
|
if [ "$FNRET" != 0 ]; then
|
|
debug "$PATTERN is not present in $file_in_dir"
|
|
else
|
|
ok "$PATTERN is present in $file_in_dir"
|
|
SEARCH_RES=1
|
|
break
|
|
fi
|
|
done
|
|
else
|
|
does_pattern_exist_in_file "$FILE_SEARCHED" "^$PATTERN"
|
|
if [ "$FNRET" != 0 ]; then
|
|
debug "$PATTERN is not present in $FILE_SEARCHED"
|
|
else
|
|
ok "$PATTERN is present in $FILES_TO_SEARCH"
|
|
SEARCH_RES=1
|
|
fi
|
|
fi
|
|
done
|
|
if [ "$SEARCH_RES" = 0 ]; then
|
|
warn "$PATTERN is not present in $FILES_TO_SEARCH"
|
|
touch "$FILE"
|
|
chmod 644 "$FILE"
|
|
add_end_of_file "$FILE" "$PATTERN"
|
|
fi
|
|
}
|
|
|
|
# This function will check config parameters required
|
|
check_config() {
|
|
:
|
|
}
|
|
|
|
# Source Root Dir Parameter
|
|
if [ -r /etc/default/cis-hardening ]; then
|
|
# shellcheck source=../../debian/default
|
|
. /etc/default/cis-hardening
|
|
fi
|
|
if [ -z "$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
|