120 lines
4.5 KiB
Bash
120 lines
4.5 KiB
Bash
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#!/bin/bash
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##############################################################################
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#
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# Определение корректности записей в DNS
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# для доменов заведённых в Zimbra для Zabbix
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#
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# Автор: Сергей Калинин
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# https://nuk-svk.ru
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# svk@nuk-svk.ru
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##############################################################################
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#
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# Использование:
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#
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# Получение списка доменов из zimbra и копирование его в файл:
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# zabbix_zimbra_domain_status.sh discover
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#
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# Создание json-файла со списком доменов для службы обнаружения zabbix
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# zabbix_zimbra_domain_status.sh discover-json
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#
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# Чтение JSON-файла и вывод на экран (в zabbix)
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# zabbix_zimbra_domain_status.sh read-json-discover
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#
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# Получение MX записей из ДНС для всех доменов и копирование их в файл
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# zabbix_zimbra_domain_status.sh get-domain-records _RECORD_TYPE_
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# где
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# _RECORD_TYPE_ - тип записи (MX, TXT (для spf))
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#
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# Получение MX записи из файла для домена
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# zabbix_zimbra_domain_status.sh _ZIMBRA_DOMAIN_NAME_
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# где
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# _ZIMBRA_DOMAIN_NAME_ - имя домена возвращаемое командой 'zmprov gad'
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#
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#############################################################################
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ZMCOMMAND="sudo -u zimbra /opt/zimbra/bin/zmprov"
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EXTDNS=8.8.8.8
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RECORD_TYPE=${2:-"MX"}
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FILE_ZIMBRA_DOMAIN_STATUS='/tmp/zimbra_domain_status'
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FILE_ZIMBRA_DOMAIN_STATUS_TXT='/tmp/zimbra_domain_status_txt'
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FILE_ZIMBRA_DOMAIN_LIST='/tmp/zimbra_domain_list'
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case "$1" in
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discover)
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$ZMCOMMAND gad > ${FILE_ZIMBRA_DOMAIN_LIST}
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#;;
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#discover-json)
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# Return a list of running services in JSON
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# And create JSON-file
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DOMAIN_JSON="{\"data\":["
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while read LINE; do
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DOMAIN_JSON="${DOMAIN_JSON} {\"{#ZIMBRADOMAIN}\":\"$LINE\"},"
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done < "${FILE_ZIMBRA_DOMAIN_LIST}"
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echo $(echo $DOMAIN_JSON | sed 's/,\+$//') > ${FILE_ZIMBRA_DOMAIN_LIST}.json
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#echo ${DOMAIN_JSON} > ${FILE_ZIMBRA_DOMAIN_LIST}.json
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echo -e "]}" >> ${FILE_ZIMBRA_DOMAIN_LIST}.json
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exit 0;
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;;
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read-json-discover)
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# Read a JSON and return
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if [ ! -f ${FILE_ZIMBRA_DOMAIN_LIST}.json ]; then
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echo "File ${FILE_ZIMBRA_DOMAIN_LIST}.json not found"
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exit 1
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fi
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while read LINE; do
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echo ${LINE}
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done < "${FILE_ZIMBRA_DOMAIN_LIST}.json"
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;;
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get-domain-records)
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# Checking file with domains list
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if [ ! -f ${FILE_ZIMBRA_DOMAIN_LIST} ]; then
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echo "File ${FILE_ZIMBRA_DOMAIN_LIST} not found"
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exit 1
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fi
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if [ "${RECORD_TYPE}" = "TXT" ]; then
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### Getting TXT records
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# Delete old file with domain status
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if [ -f ${FILE_ZIMBRA_DOMAIN_STATUS_TXT} ]; then
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rm -f ${FILE_ZIMBRA_DOMAIN_STATUS_TXT}
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fi
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# checking SPF records
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while read LINE; do
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REC=$(dig @${EXTDNS} ${RECORD_TYPE} ${LINE} | grep -i -E -o "spf1 .+")
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echo "${LINE} ${REC}" >> "${FILE_ZIMBRA_DOMAIN_STATUS_TXT}"
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done < ${FILE_ZIMBRA_DOMAIN_LIST}
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else
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### Geting MX records from DNS
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# Delete old file with domain status
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if [ -f ${FILE_ZIMBRA_DOMAIN_STATUS} ]; then
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rm -f ${FILE_ZIMBRA_DOMAIN_STATUS}
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fi
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while read LINE; do
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dig @${EXTDNS} ${RECORD_TYPE} ${LINE} | grep -i -E "^([a-z.]+?)\s+?([0-9]+?)\s+?IN\s+?MX\s+?([0-9]+?)" | awk '{print $1 " " $5 " " $6}' | sort -f >> "${FILE_ZIMBRA_DOMAIN_STATUS}"
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done < ${FILE_ZIMBRA_DOMAIN_LIST}
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fi
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;;
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*)
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CHECK_DOMAIN=$1
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if [ "$CHECK_DOMAIN" = "" ]; then
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echo "No Zimbra DOMAIN specified..."
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exit 1
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fi
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case "${RECORD_TYPE}" in
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MX)
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cat ${FILE_ZIMBRA_DOMAIN_STATUS} | grep -i -E "^${CHECK_DOMAIN}" | awk '{print $3 " " $2 }'
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;;
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TXT)
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#cat ${FILE_ZIMBRA_DOMAIN_STATUS_TXT} | awk -v domain=^${CHECK_DOMAIN} 'match($0,domain) {print substr($0,length(domain)+1)}'
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REC=$(dig @${EXTDNS} ${RECORD_TYPE} ${CHECK_DOMAIN} | grep -i -E -o "spf1 .+")
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echo "${REC}"
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;;
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esac
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;;
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esac
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exit 0;
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