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https://github.com/drwetter/testssl.sh.git
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Merge pull request #1936 from drwetter/fix_1935
Fix problem when nmap file has .txt extension
This commit is contained in:
Dirk Wetter
GitHub
commit
18dfa26e48
15
testssl.sh
15
testssl.sh
@ -21368,17 +21368,12 @@ nmap_to_plain_file() {
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else
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fatal "Nmap file $FNAME is not in grep(p)able format (-oG filename.g(n)map)" $ERR_FNAMEPARSE
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fi
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# strip extension and create output file *.txt in same folder
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# create ${FNAME%.*}.txt in $TEMPDIR
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target_fname="${FNAME%.*}.txt"
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> "${target_fname}"
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if [[ $? -ne 0 ]]; then
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# try to just create ${FNAME%.*}.txt in the same dir as the gnmap file failed.
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# backup is using one in $TEMPDIR
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target_fname="${target_fname##*\/}" # strip path (Unix)
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target_fname="${target_fname##*\\}" # strip path (Dos)
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target_fname="$TEMPDIR/$target_fname"
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> "${target_fname}" || fatal "Cannot create \"${target_fname}\"" $ERR_FCREATE
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fi
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target_fname="${target_fname##*\/}" # strip path (Unix)
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target_fname="${target_fname##*\\}" # strip path (Dos)
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target_fname="$TEMPDIR/$target_fname"
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> "${target_fname}" || fatal "Cannot create \"${target_fname}\"" $ERR_FCREATE
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# Line x: "Host: AAA.BBB.CCC.DDD (<FQDN>) Status: Up"
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# Line x+1: "Host: AAA.BBB.CCC.DDD (<FQDN>) Ports: 443/open/tcp//https///"
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@ -1,43 +1,169 @@
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#!/usr/bin/env bash
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set -e
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#set -e
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# utility which converts grepable nmap outout to testssl's file input
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# Utility which converts grepable nmap outout to testssl's file input
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# It is just borrowed from testssl.sh
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# License see testssl.sh
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echo A | sed -E 's/A//' >/dev/null 2>&1 && \
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declare -r HAS_SED_E=true || \
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declare -r HAS_SED_E=false
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usage() {
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cat << EOF
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usage:
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"$0 filename<.gmap>": looks for filename/filename.gmap and converts into basename \$(filename)-testssl.txt"
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"$0 filename<.gmap>" "scan option": same as before, only adds testssl.sh scan option in front of IPs"
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"$0 <filename>": looks for <filename> (nmap gmap format) and converts into basename \$(filename)-testssl.txt"
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EOF
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exit 0
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}
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[ -z "$1" ] && usage
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FNAME="$1"
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OPT2ADD="${2:-}"
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fatal () {
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echo "$1" >&2
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exit $2
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}
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if ! grep -q gmap <<< "$FNAME"; then
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FNAME="$FNAME.gmap"
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fi
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[ ! -e $FNAME ] && echo "$FNAME not readable" && exit 2
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is_ipv4addr() {
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local octet="(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])"
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local ipv4address="$octet\\.$octet\\.$octet\\.$octet"
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[[ -z "$1" ]] && return 1
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TARGET_FNAME=${FNAME%.*}-testssl.txt
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# Check that $1 contains an IPv4 address and nothing else
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[[ "$1" =~ $ipv4address ]] && [[ "$1" == $BASH_REMATCH ]] && \
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return 0 || \
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return 1
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}
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# test whether there's more than one "open" per line
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while read -r oneline; do
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if [ $(echo "${oneline}" | tr ',' '\n' | grep -wc 'open') -gt 1 ]; then
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# not supported currently
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echo "$FNAME contains at least on one line more than 1x\"open\""
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exit 3
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filter_ip4_address() {
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local a
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for a in "$@"; do
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if ! is_ipv4addr "$a"; then
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continue
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fi
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if "$HAS_SED_E"; then
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sed -E 's/[^[:digit:].]//g' <<< "$a" | sed -e '/^$/d'
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else
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sed -r 's/[^[:digit:].]//g' <<< "$a" | sed -e '/^$/d'
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fi
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done
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}
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# arg1: a host name. Returned will be 0-n IPv4 addresses
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# watch out: $1 can also be a cname! --> all checked
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get_a_record() {
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local ip4=""
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local noidnout=""
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ip4=$(filter_ip4_address $(dig -r +short +timeout=2 +tries=2 -t a "$1" 2>/dev/null | awk '/^[0-9]/ { print $1 }'))
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if [[ -z "$ip4" ]]; then
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ip4=$(filter_ip4_address $(host -t a "$1" 2>/dev/null | awk '/address/ { print $NF }'))
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fi
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done < "$FNAME"
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if [[ -z "$ip4" ]]; then
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ip4=$(filter_ip4_address $(drill a "$1" | awk '/ANSWER SECTION/,/AUTHORITY SECTION/ { print $NF }' | awk '/^[0-9]/'))
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fi
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echo "$ip4"
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}
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ports2starttls() {
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local tcp_port=$1
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local ret=0
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# https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
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case $tcp_port in
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21) echo "-t ftp " ;;
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23) echo "-t telnet " ;;
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119|433) echo "-t nntp " ;; # to come
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25|587) echo "-t smtp " ;;
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110) echo "-t pop3 " ;;
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143) echo "-t imap " ;;
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389) echo "-t ldap ";;
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3306) echo "-t mysql " ;;
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5222) echo "-t xmpp " ;; # domain of jabber server maybe needed
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5432) echo "-t postgres " ;;
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563) ;; # NNTPS
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636) ;; # LDAP
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1443|8443|443|981) ;; # HTTPS
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465) ;; # HTTPS | SMTP
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631) ;; # CUPS
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853) ;; # DNS over TLS
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995|993) ;; # POP3|IMAP
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3389) ;; # RDP
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*) ret=1 ;; # we don't know this ports so we rather do not scan it
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esac
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return $ret
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}
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nmap_to_plain_file () {
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local fname="$1"
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local target_fname=""
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local oneline=""
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local ip hostdontcare round_brackets ports_specs starttls
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local tmp port host_spec protocol dontcare dontcare1
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# Ok, since we are here we are sure to have an nmap file. To avoid questions we make sure it's the right format too
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if [[ "$(head -1 "$fname")" =~ ( -oG )(.*) ]] || [[ "$(head -1 "$fname")" =~ ( -oA )(.*) ]] ; then
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# yes, greppable
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if [[ $(grep -c Status "$fname") -ge 1 ]]; then
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[[ $(grep -c '\/open\/' "$fname") -eq 0 ]] && \
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fatal "Nmap file $fname should contain at least one open port" 250
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else
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fatal "strange, nmap grepable misses \"Status\"" 251
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fi
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else
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fatal "Nmap file $fname is not in grep(p)able format (-oG filename.g(n)map)" 250
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fi
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target_fname="${fname%.*}"-testssl.txt
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[[ -e $target_fname ]] && fatal "$target_fname already exists" 3
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> "${target_fname}" || fatal "Cannot create \"${target_fname}\"" 252
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# Line x: "Host: AAA.BBB.CCC.DDD (<FQDN>) Status: Up"
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# Line x+1: "Host: AAA.BBB.CCC.DDD (<FQDN>) Ports: 443/open/tcp//https///"
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# (or): Host: AAA.BBB.CCC.DDD (<FQDN>) Ports: 22/open/tcp//ssh//<banner>/, 25/open/tcp//smtp//<banner>/, 443/open/tcp//ssl|http//<banner>
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while read -r hostdontcare ip round_brackets tmp ports_specs; do
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[[ "$ports_specs" =~ "Status: " ]] && continue # we don't need this
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[[ "$ports_specs" =~ '/open/tcp/' ]] || continue # no open tcp at all for this IP --> move
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host_spec="$ip"
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fqdn="${round_brackets/\(/}"
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fqdn="${fqdn/\)/}"
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if [[ -n "$fqdn" ]]; then
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tmp="$(get_a_record "$fqdn")"
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if [[ "$tmp" == "$ip" ]]; then
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host_spec="$fqdn"
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fi
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fi
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while read -r oneline; do
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# 25/open/tcp//smtp//<banner>/,
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[[ "$oneline" =~ '/open/tcp/' ]] || continue # no open tcp for this port on this IP --> move on
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IFS=/ read -r port dontcare protocol ssl_hint dontcare1 <<< "$oneline"
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if [[ "$ssl_hint" =~ ^(ssl|https) ]] || [[ "$dontcare1" =~ ^(ssl|https) ]]; then
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echo "${host_spec}:${port}" >>"$target_fname"
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else
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starttls="$(ports2starttls $port)"
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[[ $? -eq 1 ]] && continue # nmap got a port but we don't know how to speak to
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echo "${starttls}${host_spec}:${port}" >>"$target_fname"
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fi
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done < <(tr ',' '\n' <<< "$ports_specs")
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done < "$fname"
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[[ -s "$target_fname" ]] || fatal "Couldn't find any open port in $fname" 253
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echo "$target_fname written successfully"
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return 0
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}
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[[ -z "$1" ]] && usage
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FNAME="$1"
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[[ ! -e $FNAME ]] && echo "$FNAME not readable" && exit 2
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nmap_to_plain_file $FNAME
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awk '/\<open\>/ { print "'"${OPT2ADD}"' " $2":"$5 }' "$FNAME" | sed 's/\/open.*$//g' >"$TARGET_FNAME"
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exit $?
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# vim:ts=5:sw=5:expandtab
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