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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:11:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:11:11 +0000
commitba28aa09cebfba17fd16de2af6fedf7ecc76eea5 (patch)
tree44e2ff1493776a06e95c359c53a1cabca5d8a8d4 /utils/gmap2testssl.sh
parentInitial commit. (diff)
downloadtestssl.sh-ba28aa09cebfba17fd16de2af6fedf7ecc76eea5.tar.xz
testssl.sh-ba28aa09cebfba17fd16de2af6fedf7ecc76eea5.zip
Adding upstream version 3.2~rc3+dfsg.upstream/3.2_rc3+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'utils/gmap2testssl.sh')
-rwxr-xr-xutils/gmap2testssl.sh168
1 files changed, 168 insertions, 0 deletions
diff --git a/utils/gmap2testssl.sh b/utils/gmap2testssl.sh
new file mode 100755
index 0000000..3962407
--- /dev/null
+++ b/utils/gmap2testssl.sh
@@ -0,0 +1,168 @@
+#!/usr/bin/env bash
+
+# Utility which converts grepable nmap output to testssl's file input
+# It is just borrowed from testssl.sh
+# License see testssl.sh
+
+
+echo A | sed -E 's/A//' >/dev/null 2>&1 && \
+declare -r HAS_SED_E=true || \
+declare -r HAS_SED_E=false
+
+usage() {
+ cat << EOF
+
+usage:
+
+ "$0 <filename>": looks for <filename> (nmap gmap format) and converts into basename \$(filename)-testssl.txt"
+
+EOF
+ exit 0
+}
+
+fatal () {
+ echo "$1" >&2
+ exit $2
+}
+
+is_ipv4addr() {
+ local octet="(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])"
+ local ipv4address="$octet\\.$octet\\.$octet\\.$octet"
+
+ [[ -z "$1" ]] && return 1
+
+ # Check that $1 contains an IPv4 address and nothing else
+ [[ "$1" =~ $ipv4address ]] && [[ "$1" == $BASH_REMATCH ]] && \
+ return 0 || \
+ return 1
+}
+
+filter_ip4_address() {
+ local a
+
+ for a in "$@"; do
+ if ! is_ipv4addr "$a"; then
+ continue
+ fi
+ if "$HAS_SED_E"; then
+ sed -E 's/[^[:digit:].]//g' <<< "$a" | sed -e '/^$/d'
+ else
+ sed -r 's/[^[:digit:].]//g' <<< "$a" | sed -e '/^$/d'
+ fi
+ done
+}
+
+# arg1: a host name. Returned will be 0-n IPv4 addresses
+# watch out: $1 can also be a cname! --> all checked
+get_a_record() {
+ local ip4=""
+ local noidnout=""
+
+ ip4=$(filter_ip4_address $(dig -r +short +timeout=2 +tries=2 -t a "$1" 2>/dev/null | awk '/^[0-9]/ { print $1 }'))
+ if [[ -z "$ip4" ]]; then
+ ip4=$(filter_ip4_address $(host -t a "$1" 2>/dev/null | awk '/address/ { print $NF }'))
+ fi
+ if [[ -z "$ip4" ]]; then
+ ip4=$(filter_ip4_address $(drill a "$1" | awk '/ANSWER SECTION/,/AUTHORITY SECTION/ { print $NF }' | awk '/^[0-9]/'))
+ fi
+ echo "$ip4"
+}
+
+ports2starttls() {
+ local tcp_port=$1
+ local ret=0
+
+ # https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
+ case $tcp_port in
+ 21) echo "-t ftp " ;;
+ 23) echo "-t telnet " ;;
+ 119|433) echo "-t nntp " ;; # to come
+ 25|587) echo "-t smtp " ;;
+ 110) echo "-t pop3 " ;;
+ 143) echo "-t imap " ;;
+ 389) echo "-t ldap ";;
+ 3306) echo "-t mysql " ;;
+ 5222) echo "-t xmpp " ;; # domain of jabber server maybe needed
+ 5432) echo "-t postgres " ;;
+ 563) ;; # NNTPS
+ 636) ;; # LDAP
+ 1443|8443|443|981) ;; # HTTPS
+ 465) ;; # HTTPS | SMTP
+ 631) ;; # CUPS
+ 853) ;; # DNS over TLS
+ 995|993) ;; # POP3|IMAP
+ 3389) ;; # RDP
+ *) ret=1 ;; # we don't know this ports so we rather do not scan it
+ esac
+ return $ret
+}
+
+nmap_to_plain_file () {
+
+ local fname="$1"
+ local target_fname=""
+ local oneline=""
+ local ip hostdontcare round_brackets ports_specs starttls
+ local tmp port host_spec protocol ssl_hint dontcare dontcare1
+
+ # Ok, since we are here we are sure to have an nmap file. To avoid questions we make sure it's the right format too
+ if [[ "$(head -1 "$fname")" =~ ( -oG )(.*) ]] || [[ "$(head -1 "$fname")" =~ ( -oA )(.*) ]] ; then
+ # yes, greppable
+ if [[ $(grep -c Status "$fname") -ge 1 ]]; then
+ [[ $(grep -c '\/open\/' "$fname") -eq 0 ]] && \
+ fatal "Nmap file $fname should contain at least one open port" 250
+ else
+ fatal "strange, nmap grepable misses \"Status\"" 251
+ fi
+ else
+ fatal "Nmap file $fname is not in grep(p)able format (-oG filename.g(n)map)" 250
+ fi
+ target_fname="${fname%.*}"-testssl.txt
+ [[ -e $target_fname ]] && fatal "$target_fname already exists" 3
+ > "${target_fname}" || fatal "Cannot create \"${target_fname}\"" 252
+
+ # Line x: "Host: AAA.BBB.CCC.DDD (<FQDN>) Status: Up"
+ # Line x+1: "Host: AAA.BBB.CCC.DDD (<FQDN>) Ports: 443/open/tcp//https///"
+ # (or): Host: AAA.BBB.CCC.DDD (<FQDN>) Ports: 22/open/tcp//ssh//<banner>/, 25/open/tcp//smtp//<banner>/, 443/open/tcp//ssl|http//<banner>
+ while read -r hostdontcare ip round_brackets tmp ports_specs; do
+ [[ "$ports_specs" =~ "Status: " ]] && continue # we don't need this
+ [[ "$ports_specs" =~ '/open/tcp/' ]] || continue # no open tcp at all for this IP --> move
+ host_spec="$ip"
+ fqdn="${round_brackets/\(/}"
+ fqdn="${fqdn/\)/}"
+ if [[ -n "$fqdn" ]]; then
+ tmp="$(get_a_record "$fqdn")"
+ if [[ "$tmp" == "$ip" ]]; then
+ host_spec="$fqdn"
+ fi
+ fi
+ while read -r oneline; do
+ # 25/open/tcp//smtp//<banner>/,
+ [[ "$oneline" =~ '/open/tcp/' ]] || continue # no open tcp for this port on this IP --> move on
+ IFS=/ read -r port dontcare protocol ssl_hint dontcare1 <<< "$oneline"
+ if [[ "$ssl_hint" =~ ^(ssl|https) ]] || [[ "$dontcare1" =~ ^(ssl|https) ]]; then
+ echo "${host_spec}:${port}" >>"$target_fname"
+ else
+ starttls="$(ports2starttls $port)"
+ [[ $? -eq 1 ]] && continue # nmap got a port but we don't know how to speak to
+ echo "${starttls}${host_spec}:${port}" >>"$target_fname"
+ fi
+ done < <(tr ',' '\n' <<< "$ports_specs")
+ done < "$fname"
+
+ [[ -s "$target_fname" ]] || fatal "Couldn't find any open port in $fname" 253
+ echo "$target_fname written successfully"
+ return 0
+}
+
+
+[[ -z "$1" ]] && usage
+FNAME="$1"
+[[ ! -e $FNAME ]] && echo "$FNAME not readable" && exit 2
+
+nmap_to_plain_file "$FNAME"
+
+exit $?
+
+# vim:ts=5:sw=5:expandtab
+