File radsecproxy-stats.sh of Package radsecproxy

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File radsecproxy-stats.sh of Package radsecproxy

#!/bin/bash

VERSION="2011-12-21"
# $VERSION Sven Uebelacker <sven@uebelacker.net>
# radsecproxy-stats.sh parses the radsecproxy logfile and generates monthly statistics
# License: GPLv3, https://www.gnu.org/licenses/gpl-3.0.html
#
# usage: radsecproxy-stats.sh [-h|--help] [-m|--month <YYYY-MM>] [-r|--realm <realm>] [-l|--logfile <logfile>]
#    -m, --month	month in YYYY-MM notation, default: last month
#    -r, --realm	realm of your institution, default: eduroam.org (setting your realm makes sense ;)
#    -l, --logfile	filename of logfile incl. path, default: /var/log/radsecproxy.log
#
# EXAMPLES
# radsecproxy-stats.sh -r myrealm.org
# radsecproxy-stats.sh -r anotherrealm.edu -m 2011-09 -l /tmp/radsecproxy.log

SCRIPT_NAME=${0##*/}

### begin config ###
OUR_REALM_DEFAULT="eduroam.org"
LOGFILE_DEFAULT="/var/log/radsecproxy.log"
# sort option for external realms
# empty: sort by name
# "-k4 -n -r": sort by days of usage
OUTPUT_SORT_ARGS_EXT_REALMS=""
### end config ###

# check if bash version >= 4, need this for ass. arrays
if [ "${BASH_VERSINFO}" -lt 4 ]
then    echo "error: Your bash version is too old. You need at least bash version 4.0, you are using version ${BASH_VERSION}."
        exit 1
fi

# declaring ass. arrays
declare -A outeridentityfail
declare -A outeridentityreject
declare -A realmsused
declare -A realmsusedandrejected

### begin binaries ###
BIN_SEARCH_LIST="GREP_BIN=grep EGREP_BIN=egrep WC_BIN=wc CUT_BIN=cut TR_BIN=tr SORT_BIN=sort"
missing_prog=""
for prog in ${BIN_SEARCH_LIST}
do      varname=${prog//=*}
        progname=${prog//*=}
        w=$( which ${progname} 2>/dev/null )
        if [ -z "${w}" ]
        then    missing_prog+="${progname} "
        else    eval ${varname}="${w}"
        fi
done
if [ -n "${missing_prog}" ]
then    echo "error: Can't find the following programs: ${missing_prog}"
        echo "error: \$PATH was \"${PATH}\""
        exit 1
fi
### end binaries ###

### begin handling args ###
print_usage() {
        echo -e "${SCRIPT_NAME} version ${VERSION}, Sven Uebelacker <sven@uebelacker.net>"
        echo "usage: ${SCRIPT_NAME} [-h|--help] [-m|--month <YYYY-MM>] [-r|--realm <realm>] [-l|--logfile <logfile>]"
	echo "  -m, --month     month in YYYY-MM notation, default: last month"
	echo "  -r, --realm     realm of your institution, default: eduroam.org (setting your realm makes sense ;)"
	echo "  -l, --logfile   filename of logfile incl. path, default: /var/log/radsecproxy.log"
}
month_arg=""
realm_arg=""
logfile_arg=""
while [ $# -gt 0 ]
do	case $1 in
		(-m|--month)		shift
					month_arg="$1"
					shift
					;;
		(-r|--realm)		shift
					realm_arg="$1"
					shift
					;;
		(-l|--logfile)		shift
					logfile_arg="$1"
					shift
					;;
		*)			print_usage
					exit 2
					;;
	esac
done
if [ -z ${month_arg} ]
then	whichmonth=$( date +%Y-%m  -d "last month" )
elif [[ ${month_arg} =~ ^[0-9]{4}-[0-9]{2}$ ]]
then	whichmonth="${month_arg}"
else	echo "error: mal-formatted month argument, use YYYY-MM."
	print_usage
	exit 3
fi
if [ -z ${realm_arg} ]
then	OUR_REALM="${OUR_REALM_DEFAULT}"
else	OUR_REALM="${realm_arg}"
fi
if [ -z ${logfile_arg} ]
then	if [ -r "${LOGFILE_DEFAULT}" -a -f "${LOGFILE_DEFAULT}" ]
	then	LOGFILE="${LOGFILE_DEFAULT}"
	else	echo "error: no logfile found or not a file."
		print_usage
		exit 4
	fi
elif [ -r "${logfile_arg}" -a -f "${logfile_arg}" ]
then	LOGFILE="${logfile_arg}"
else	echo "error: logfile not readable or not a file."
	print_usage
	exit 5
fi
### end handling args ###

# information gathering: parsing Access-Accept and Access-Reject entries
while read logline
do	datum=$( echo "${logline}" | ${CUT_BIN} -d: -f1-3 )
	datum_match=$( date +%Y-%m -d "${datum}" )
	if [ "${datum_match}" != "${whichmonth}" ]
	then	continue
	fi

datum_short=$( date +%F -d "${datum}" )
	realm=$( echo "${logline}" | ${CUT_BIN} -d@ -f2 | ${CUT_BIN} -d" " -f1 )

if echo "${logline}" | ${GREP_BIN} "Access-Accept" >/dev/null
	# add date to realm hash for Access-Access entries
	then	if [[ -z "${realmsused[${realm}]}" ]]
		then	realmsused["${realm}"]="${datum_short}"
		else	realmsused["${realm}"]+="\n"
			realmsused["${realm}"]+="${datum_short}"
		fi
		# for checking correct ${OUR_REALM} configurations (anonymous has to be outer-identity!)
		outer_identity=$( echo "${logline}" | ${CUT_BIN} -d" " -f8 )
		if [[ "${outer_identity}" =~ @${OUR_REALM}$ ]]
		then	if [[ ! "${outer_identity}" =~ anonymous@${OUR_REALM}$ ]]
			then	outeridentityfail["${outer_identity}"]="${datum_short}"
			fi
		fi
	elif echo "${logline}" | ${GREP_BIN} "Access-Reject" >/dev/null
	# add date to realm hash for Access-Reject entries
	then	if [[ -z "${realmsused[${realm}]}" ]]
		then	realmsusedandrejected["${realm}"]="${datum_short}"
		else	realmsusedandrejected["${realm}"]+="\n"
			realmsusedandrejected["${realm}"]+="${datum_short}"
		fi
		# for checking correct ${OUR_REALM} configurations (rejected accounts)
		outer_identity=$( echo "${logline}" | ${CUT_BIN} -d" " -f8 )
		if [[ "${outer_identity}" =~ @${OUR_REALM}$ ]]
		then	outeridentityreject["${outer_identity}"]="${datum_short}"
		fi
	fi
done < <( ${EGREP_BIN} "Access-(Accept|Reject) for user" "${LOGFILE}" | ${TR_BIN} -s " " )

# output
if [ ${#outeridentityfail[@]} -gt 0 ]
then	echo "WARNING: ${OUR_REALM} accounts with mal-formed (outer-)identity (not \"anonymous@${OUR_REALM}\")"
	for identity in ${!outeridentityfail[@]}
	do	echo "- ${identity} (last use: ${outeridentityfail[${identity}]})"
	done | ${SORT_BIN}
	echo
fi

echo "Our realm accepted in ${whichmonth} [outbound radsecproxy connections]"
realm="${OUR_REALM}"
if [[ -z "${realmsused[${realm}]}" ]]
then	echo "- our realm (${realm}) was not used"
else	realmdates=$( echo -e "${realmsused[${realm}]}" | ${SORT_BIN} -u | ${GREP_BIN} -e "^20" )
	realmdays=$( echo -e "${realmdates}" | ${WC_BIN} -l )
	echo "- ${realm} (used ${realmdays} days)"
	unset realmsused["${OUR_REALM}"]
fi
echo

echo "Our accounts rejected in ${whichmonth} [outbound radsecproxy connections]"
realm="${OUR_REALM}"
if [ ${#outeridentityreject[@]} -eq 0 ]
then	echo "- our accounts (realm ${realm}) were not rejected"
else	for identity in ${!outeridentityreject[@]}
	do	echo "- ${identity} (last reject: ${outeridentityreject[${identity}]})"
	done | ${SORT_BIN}
	unset realmsusedandrejected["${OUR_REALM}"]
fi
echo

echo "External realms accepted in ${whichmonth} [inbound radsecproxy connections]"
if [[ ${#realmsused[@]} -eq 0 ]]
then	echo "- no external realms used"
else	for realm in ${!realmsused[@]}
	do	# clean up dates in realmsused
		realmdates=$( echo -e "${realmsused[${realm}]}" | ${SORT_BIN} -u | ${GREP_BIN} -e "^20" )
		realmdays=$( echo -e "${realmdates}" | ${WC_BIN} -l )
		echo "- ${realm} (used ${realmdays} days)"
	done | ${SORT_BIN} ${OUTPUT_SORT_ARGS_EXT_REALMS}
fi
echo

echo "External realms rejected in ${whichmonth} [inbound radsecproxy connections]"
if [[ ${#realmsusedandrejected[@]} -eq 0 ]]
then	echo "- no external realms rejected"
else	for realm in ${!realmsusedandrejected[@]}
	do	# clean up dates in realmsusedandrejected
		realmdates=$( echo -e "${realmsusedandrejected[${realm}]}" | ${SORT_BIN} -u | ${GREP_BIN} -e "^20" )
		realmdays=$( echo -e "${realmdates}" | ${WC_BIN} -l )
		echo "- ${realm} (rejected ${realmdays} days)"
	done | ${SORT_BIN} ${OUTPUT_SORT_ARGS_EXT_REALMS}
fi

exit 0

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File radsecproxy-stats.sh of Package radsecproxy

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