2018-08-08 15:15:02 +02:00
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#!/bin/sh
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# .. vim: foldmarker=[[[,]]]:foldmethod=marker
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2023-02-08 16:15:03 +01:00
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# {{ ansible_managed | comment }}
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2018-08-08 15:15:02 +02:00
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# Colors definition [[[
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BLACK='\033[49;30m'
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BLACKB='\033[49;90m'
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RED='\033[0;31m'
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REDB='\033[1;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[0;33m'
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BLUE='\033[94;49m'
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MAGENTA='\033[0;35m'
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CYAN='\033[36;49m'
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WHITE='\033[0;37m'
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BOLD='\033[1m'
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RESET='\033[0m'
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# ]]]
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# Function definition [[[
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## count_pattern()
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### Return the number of occurrence of a pattern in a file with a color
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### (=expected_value : green ; otherwise : red).
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count_pattern() {
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## Get the args
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PATTERN="${1}"
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FILE="${2}"
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EXPECTED_VALUE="${3}"
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## Count the pattern in the file
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NUM=$(grep -cE "${PATTERN}" "${FILE}")
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## If $EXPECTED_VALUE exist AND $NUM equal $EXPECTED_VALUE
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if [ "${EXPECTED_VALUE}" ] && [ "${NUM}" = "${EXPECTED_VALUE}" ]; then
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MSG="${GREEN}${NUM}"
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else
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MSG="${RED}${NUM}"
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fi
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printf '%b' "${MSG}"
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}
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# ]]]
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# Vars definition [[[
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## Get the most recent "auth.log" file.
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## Simpliest way to get it ?
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AUTH_LOG_FILE=$(find /var/log -type f -iname 'auth.log' -printf "%T@ %p\\n" | sort -n | cut -d' ' -f 2- | tail -n 1)
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## Number of failed SSH authentication
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SSH_FAIL_LOGIN=$(count_pattern 'sshd.*Failed' "${AUTH_LOG_FILE}" '0')
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## Number of failed sudo authentication
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SUDO_FAIL=$(count_pattern 'sudo.*authentication failure' "${AUTH_LOG_FILE}" '0')
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SUDO_3_FAIL=$(count_pattern 'sudo.*3 incorrect password' "${AUTH_LOG_FILE}" '0')
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# ]]]
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#+++++++++++++++++++: Auth Info :+++++++++++++++++++
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printf '%b' "${RESET}"
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printf "${BLACKB}%33s${RESET}" | tr ' ' -
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printf '%b' " ${CYAN}Auth Info${RESET} "
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printf "${BLACKB}%34s${RESET}" | tr ' ' -
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printf '%b' "
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${BLACKB}+ ${WHITE}SSH fail\\t\\t${BLACKB}= ${SSH_FAIL_LOGIN} fail(s) this week
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${BLACKB}+ ${WHITE}Sudo fail\\t\\t${BLACKB}= ${GREEN}${SUDO_FAIL} fail(s) this week
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${BLACKB}+ ${WHITE}Sudo 3 fails\\t\\t${BLACKB}= ${GREEN}${SUDO_3_FAIL} fail(s) this week
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"
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printf '%b' "${RESET}"
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