Files
cis/script/monitor/generic/CIS_OWN_DOMAIN_CHECK.sh
T
2026-04-18 21:01:33 +02:00

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#!/bin/bash
_REMOTE_HOST="${1:?"FQDN of server missing: e.g. host.example.net[:port]"}"
_REMOTE_HOSTNAME_FQDN="${_REMOTE_HOST%%:*}" #Removes longest matching pattern ':*' from the end
_REMOTE_HOSTNAME_SHORT="${_REMOTE_HOSTNAME_FQDN%%.*}" #Removes longest matching pattern '.*' from the end
_REMOTE_PORT="${_REMOTE_HOST}:"
_REMOTE_PORT="${_REMOTE_PORT#*:}" #Removes shortest matching pattern '*:' from the begin
_REMOTE_PORT="${_REMOTE_PORT%%:*}" #Removes longest matching pattern ':*' from the end
_REMOTE_PORT="${_REMOTE_PORT:-"22"}"
_REMOTE_USER="monitoring"
_SOCKET='~/.ssh/%r@%h:%p'
function checkOrStartSSHMaster() {
timeout --preserve-status 1 ssh -O check -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOSTNAME_FQDN} 2>&1 | grep -q -F 'Master running' \
&& return 0
ssh -O stop -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOSTNAME_FQDN} &> /dev/null
ssh -o ControlMaster=auto \
-o ControlPath=${_SOCKET} \
-o ControlPersist=65 \
-p ${_REMOTE_PORT} \
-f ${_REMOTE_USER}@${_REMOTE_HOSTNAME_FQDN} exit &> /dev/null \
&& return 0
echo "FAIL#SSH connection (setup ok?)"
return 1
}
function testDomain(){
checkOrStartSSHMaster \
|| return 1
local _RESULT=$(ssh -S "${_SOCKET}" -p "${_REMOTE_PORT}" "${_REMOTE_USER}"@"${_REMOTE_HOSTNAME_FQDN}" 'bash /cis/core/printOwnDomain.sh' 2>&1 1>/dev/null)
[ -z "${_RESULT}" ] \
&& echo "OK" \
&& return 0
local _DOMAIN=$(ssh -S "${_SOCKET}" -p "${_REMOTE_PORT}" "${_REMOTE_USER}"@"${_REMOTE_HOSTNAME_FQDN}" 'bash /cis/core/printOwnDomain.sh' 2>/dev/null)
echo "WARNING#Overwritten to '${_DOMAIN}'"
return 0
}
testDomain && exit 0