Renum 99.x files to comply with debian10 CIS

2025-06-24 03:24:34 +02:00 · 2020-12-22 16:36:35 +01:00
parent 87e242a42d
commit 9cbc3f85a9
37 changed files with 109 additions and 291 deletions
--- a/bin/hardening/99.1.1.23_disable_usb_devices.sh
+++ b/bin/hardening/99.1.1.23_disable_usb_devices.sh
@ -0,0 +1,127 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening Bonus Check
+#
+
+#
+# 99.1.1.23 Disable USB Devices
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+USER='root'
+# shellcheck disable=2034
+DESCRIPTION="USB devices are disabled."
+
+PATTERN='ACTION=="add", SUBSYSTEMS=="usb", TEST=="authorized_default", ATTR{authorized_default}="0"' # We do test disabled by default, whitelist is up to you
+FILES_TO_SEARCH='/etc/udev/rules.d'
+FILE='/etc/udev/rules.d/10-CIS_99.2_usb_devices.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 $SUDO_CMD test -d "$FILE_SEARCHED"; then
+            debug "$FILE_SEARCHED is a directory"
+            for file_in_dir in $($SUDO_CMD ls $FILE_SEARCHED); do
+                does_pattern_exist_in_file "$FILE_SEARCHED/$file_in_dir" "^$PATTERN"
+                if [ "$FNRET" != 0 ]; then
+                    debug "$PATTERN is not present in $FILE_SEARCHED/$file_in_dir"
+                else
+                    ok "$PATTERN is present in $FILE_SEARCHED/$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" '
+# By default, disable all.
+ACTION=="add", SUBSYSTEMS=="usb", TEST=="authorized_default", ATTR{authorized_default}="0"
+
+# Enable hub devices.
+ACTION=="add", ATTR{bDeviceClass}=="09", TEST=="authorized", ATTR{authorized}="1"
+
+# Enables keyboard devices
+ACTION=="add", ATTR{product}=="*[Kk]eyboard*", TEST=="authorized", ATTR{authorized}="1"
+
+# PS2-USB converter
+ACTION=="add", ATTR{product}=="*Thinnet TM*", TEST=="authorized", ATTR{authorized}="1"
+'
+    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