From 59c0e1eb76b66e01dacbc05a6270ce7524f45a4f Mon Sep 17 00:00:00 2001
From: evilsocket <evilsocket@gmail.com>
Date: Mon, 8 Jan 2018 00:15:55 +0100
Subject: [PATCH] new: added -eval command

---
 caplets/beef-active.cap | 5 ++++-
 core/options.go         | 2 ++
 main.go                 | 6 ++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/caplets/beef-active.cap b/caplets/beef-active.cap
index 8d0e3f94..cce3dd8f 100644
--- a/caplets/beef-active.cap
+++ b/caplets/beef-active.cap
@@ -1,4 +1,7 @@
-set arp.spoof.targets 192.168.1.53
+# targeting the whole subnet by default, to make it selective:
+#
+#   sudo ./bettercap-ng -caplet caplets/beef-active.cap -eval "set arp.spoof.targets 192.168.1.64"
+
 # inject beef hook
 set http.proxy.script caplets/beef-inject.js
 # keep reading arp table for network mapping
diff --git a/core/options.go b/core/options.go
index 8b235728..bfbd7a40 100644
--- a/core/options.go
+++ b/core/options.go
@@ -8,6 +8,7 @@ type Options struct {
 	Debug         *bool
 	Silent        *bool
 	NoHistory     *bool
+	Commands      *string
 }
 
 func ParseOptions() (Options, error) {
@@ -17,6 +18,7 @@ func ParseOptions() (Options, error) {
 		Debug:         flag.Bool("debug", false, "Print debug messages."),
 		Silent:        flag.Bool("silent", false, "Suppress all logs which are not errors."),
 		NoHistory:     flag.Bool("no-history", false, "Disable history file."),
+		Commands:      flag.String("eval", "", "Run a command, used to set variables via command line."),
 	}
 
 	flag.Parse()
diff --git a/main.go b/main.go
index 56db1cdf..26744382 100644
--- a/main.go
+++ b/main.go
@@ -34,6 +34,12 @@ func main() {
 
 	defer sess.Close()
 
+	if *sess.Options.Commands != "" {
+		if err = sess.Run(*sess.Options.Commands); err != nil {
+			log.Fatal(err)
+		}
+	}
+
 	if *sess.Options.Caplet != "" {
 		if err = sess.RunCaplet(*sess.Options.Caplet); err != nil {
 			log.Fatal(err)