mirror of https://github.com/CISOfy/lynis.git
115 lines
5.0 KiB
Bash
115 lines
5.0 KiB
Bash
#!/bin/sh
|
|
|
|
#################################################################################
|
|
#
|
|
# Here you could insert your own custom checks
|
|
#
|
|
# Tips:
|
|
# - Make sure to use each test ID only once in Register function and prefix them with CUST
|
|
# - Use big steps in numbering, so you can easily put tests in between
|
|
# - Want to improve Lynis? Share your checks!
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Test : CUST-0001
|
|
# Description : We show some lines on the screen
|
|
|
|
# Register our first custom test
|
|
# We consider it to be a lightweight test (no heavy IO, or long searches), no network connection needed
|
|
Register --test-no CUST-0001 --weight L --network NO --description "A test case for colors and text display"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
# The Display function makes it easy to show something on screen, with colors.
|
|
# --indent defines amount of spaces
|
|
# --text text to be displayed on screen
|
|
# --result text at end of line
|
|
# --color color of result text
|
|
Display --indent 2 --text "- Checking if everything is OK..." --result OK --color GREEN
|
|
Display --indent 4 --text "This shows one level deeper " --result NOTICE --color YELLOW
|
|
Display --indent 6 --text "And even deeper" --result WARNING --color RED
|
|
|
|
# Here we could add specific tests, like testing for a directory
|
|
# Most tests use the "if-then-else". If something is true, take one step, otherwise the other.
|
|
if [ -d /tmp ]; then
|
|
LogText "Result: we have a temporary directory"
|
|
else
|
|
LogText "Result: no temporary directory found"
|
|
fi
|
|
|
|
# Common examples to use:
|
|
# if [ -f /etc/file ]; then = Test if file exists
|
|
# if [ -d /var/run/mydirectory ]; then = Test if directory exists
|
|
# if [ ${MYVARIABLE} -eq 1 ]; then = Test if variable is set to 1
|
|
# if [ "${MYVARIABLE}" = "Value" ]; then = Test if variable is equal to specific value
|
|
|
|
if [ -f /etc/file ]; then
|
|
LogText "Result: Found file /etc/file"
|
|
elif [ -f /etc/file2 ]; then
|
|
LogText "Result: Found file /etc/file2"
|
|
else
|
|
LogText "Result: both /etc/file and /etc/file2 not found"
|
|
fi
|
|
|
|
# If a single value is stored in a variable, using case is effective.
|
|
case ${OS} in
|
|
# Only match one value
|
|
"Linux")
|
|
LogText "Found Linux"
|
|
Display --indent 2 --text "OS: Linux" --result OK --color GREEN
|
|
;;
|
|
# Matching several platforms
|
|
"FreeBSD" | "NetBSD" | "OpenBSD")
|
|
LogText "Found an operating system based on BSD"
|
|
Display --indent 2 --text "OS: *BSD" --result OK --color GREEN
|
|
;;
|
|
# Catch-all for unknown values
|
|
*)
|
|
LogText "Did find another operating system"
|
|
;;
|
|
esac
|
|
|
|
# Show a warning on screen and in the report. We can specify a detail and how to solve it.
|
|
ReportWarning "${TEST_NO}" "Something was wrong and should be fixed" "/etc/motd" "text:Change your motd"
|
|
ReportSuggestion "${TEST_NO}" "Check if this process is running" "apache" "url:https://cisofy.com/support/"
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
# Add a new section to screen output
|
|
InsertSection "Other Tests"
|
|
#
|
|
#################################################################################
|
|
#
|
|
# First check if OPENSSLBINARY is known as a prerequisite for this test.
|
|
if [ ! "${OPENSSLBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
|
|
Register --test-no CUST-0002 --preqs-met ${PREQS_MET} --weight M --network NO --description "Description of custom test"
|
|
if [ ${SKIPTEST} -eq 0 ]; then
|
|
FOUNDPROBLEM=0
|
|
DIR="/my/path"
|
|
LogText "Test: we are going to check if we can find a particular directory (${DIR})"
|
|
# Check if a directory exists
|
|
if [ -d ${DIR} ]; then
|
|
LogText "Result: log entry for easier debugging or additional information"
|
|
else
|
|
FOUNDPROBLEM=1
|
|
LogText "Result: directory ${DIR} was not found!"
|
|
ReportWarning "${TEST_NO}" "This is a test warning line" "${DIR}" "text:Create directory ${DIR}"
|
|
fi
|
|
|
|
if [ ${FOUNDPROBLEM} -eq 0 ]; then
|
|
Display --indent 2 --text "- Checking if everything is OK..." --result OK --color GREEN
|
|
else
|
|
Display --indent 2 --text "- Checking if everything is OK..." --result WARNING --color RED
|
|
ReportSuggestion ${TEST_NO} "This is a suggestion"
|
|
fi
|
|
fi
|
|
#
|
|
#################################################################################
|
|
#
|
|
|
|
# Wait for keypress (unless --quick is being used)
|
|
WaitForKeyPress
|
|
|
|
#
|
|
#================================================================================
|
|
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com
|