From 8575b492fd21500c380fe25446e93adde302114c Mon Sep 17 00:00:00 2001
From: Collins Gitahi <gitahco@gitahco.silensec.com>
Date: Thu, 17 Oct 2024 12:16:44 +0300
Subject: [PATCH] added a --open flag for better visibility of open ports,
 mainly across a subnet

---
 portradar.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/portradar.sh b/portradar.sh
index f638281..f3b5f63 100755
--- a/portradar.sh
+++ b/portradar.sh
@@ -12,7 +12,8 @@ positional arguments:
 options:
   -p, --port	scan a specific port
   --nmap	run nmap after port scan
-  --hosts	print only live hosts in the subnet
+  --open	only print hosts with atleast one open port
+  --hosts	only print live hosts in the subnet
 SYNTAX
     exit
 }
@@ -27,7 +28,7 @@ pp(){
 
 pt(){
 	file=$1
-	[[ ! -f $file ]] && { [[ $port ]] && cg_color bby "Port $port is closed :(" || cg_color bby "No ports discovered"; return; }
+	[[ ! -f $file ]] && { [[ $port ]] && { [[ ! $PRINT_OPEN == true ]] && cg_color bby "Port $port is closed :(" || { UP='\033[1A'; printf "$UP"; }; } || { [[ ! $PRINT_OPEN == true ]] && cg_color bby "No ports discovered" || { for i in {1..4}; do UP='\033[1A'; printf "$UP"; done; }; }; return; }
 	[[ $RUN_NMAP == true ]] && return
 	ports=($(sort -n $file))
 	prot=$2
@@ -175,6 +176,7 @@ cidr_to_ips() {
 # use args
 RUN_NMAP=false
 HOST_SCAN=false
+PRINT_OPEN=false
 while [ "$1" != "" ]; do
 	case $1 in
 	-p | --port)
@@ -189,6 +191,9 @@ while [ "$1" != "" ]; do
 	--nmap)
 		RUN_NMAP=true
 		;;
+	--open)
+		PRINT_OPEN=true
+		;;
 	--hosts)
 		HOST_SCAN=true
 		;;