Check MX Records (#41)
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29214c7a1f
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33
testssl.sh
33
testssl.sh
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@ -2588,7 +2588,7 @@ parse_hn_port() {
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# check if we can connect to port
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if ! fd_socket; then
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ignore_no_or_lame "Ignore? "
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[ $? -ne 0 ] && exit 3
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[ $? -ne 0 ] && return 3
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fi
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close_socket
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@ -2609,6 +2609,7 @@ parse_hn_port() {
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get_dns_entries() {
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IP4=''; IP6=''
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test4iponly=`printf $NODE | sed -e 's/[0-9]//g' -e 's/\.//g'`
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if [ "x$test4iponly" == "x" ]; then # only an IPv4 address was supplied
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IP4=$NODE
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@ -2691,6 +2692,32 @@ datebanner() {
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}
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mx_allentries() {
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HOST=$1
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if which dig &> /dev/null; then
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MXs=$(dig +short -t MX $HOST | grep '\d ')
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elif which host &> /dev/null; then
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MXs=$(host -t MX $HOST | grep 'handled by' | sed -e 's/^.*by //' -e 's/\.$//')
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elif which nslookup &> /dev/null; then
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MXs=$(nslookup -type=MX $HOST 2> /dev/null | grep 'mail exchanger = ' | awk '$5 ~ /[0-9]+/ {print $5 " " $NF}')
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else
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pr_redln 'No dig, host or nslookup'
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exit -1
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fi
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MXs=$(echo "$MXs" | sort -n | sed -e 's/^.* //' -e 's/\.$//')
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if [ -n "$MXs" ] ; then
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for MX in $MXs; do
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parse_hn_port "$MX:25" 'smtp' && starttls 'smtp'
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done
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else
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pr_magentaln "$HOST has no Mail Server(s)"
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fi
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}
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################# main: #################
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@ -2720,6 +2747,10 @@ case "$1" in
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-b|--banner|-banner|-v|--version|-version)
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exit 0
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;;
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--mx)
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mx_allentries $2
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exit $?
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;;
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-V|--local)
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initialize_engine # GOST support
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prettyprint_local "$2"
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