From acdf9c1be4abe272069296e6e4f7cb6d6f178931 Mon Sep 17 00:00:00 2001
From: ice3man <nizamulrana@gmail.com>
Date: Sun, 8 Apr 2018 13:50:16 +0530
Subject: [PATCH] Added Text Output Feature

---
 libsubfinder/output/output.go | 36 +++++++++++++++++++++++++++++++++++
 main.go                       | 14 +++++++++++++-
 2 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 libsubfinder/output/output.go

diff --git a/libsubfinder/output/output.go b/libsubfinder/output/output.go
new file mode 100644
index 0000000..f614e21
--- /dev/null
+++ b/libsubfinder/output/output.go
@@ -0,0 +1,36 @@
+// 
+// output.go : Contains different functions for reporting
+// Written By : @ice3man (Nizamul Rana)
+// 
+// Distributed Under MIT License
+// Copyrights (C) 2018 Ice3man
+//
+
+package output
+
+import (
+	"os"
+	"io"
+
+	"subfinder/libsubfinder/helper"
+)
+
+// Write output to a normal text file
+func WriteOutputText(state *helper.State, subdomains []string) error {
+	 file, err := os.Create(state.Output)
+
+     if err != nil {
+         return err
+     }
+
+     for _, subdomain := range subdomains {
+     	_, err := io.WriteString(file, subdomain+"\n")
+     	if err != nil {
+     		return err
+     	}
+     }
+
+     file.Close()
+
+     return nil
+}
\ No newline at end of file
diff --git a/main.go b/main.go
index 94ad4a6..9184a57 100644
--- a/main.go
+++ b/main.go
@@ -15,6 +15,7 @@ import (
 	"os"
 
 	"subfinder/libsubfinder/helper"
+	"subfinder/libsubfinder/output"
 	"subfinder/libsubfinder/engines/passive"
 	//"subfinder/libsubfinder/engines/bruteforce"
 )
@@ -40,6 +41,8 @@ func ParseCmdLine() (state *helper.State, err error) {
 	flag.IntVar(&s.Threads, "t", 10, "Number of concurrent threads")
 	flag.IntVar(&s.Timeout, "timeout", 180, "Timeout for passive discovery services")
 	flag.StringVar(&s.Domain, "d", "", "Domain to find subdomains for")
+	flag.StringVar(&s.Output, "o", "", "Name of the output file (optional)")
+	flag.BoolVar(&s.IsJSON, "oJ", false, "Write output in JSON Format")
 	flag.BoolVar(&s.Recursive, "r", true, "Use recursion to find subdomains")
 	flag.StringVar(&s.Wordlist, "w", "", "Wordlist for doing subdomain bruteforcing")
 	flag.BoolVar(&s.Bruteforce, "b", false, "Use bruteforcing to find subdomains")
@@ -68,6 +71,15 @@ func main() {
 		os.Exit(1)
 	}
 
-	passive.PassiveDiscovery(state)
+	passiveSubdomains := passive.PassiveDiscovery(state)
+	if state.Output != "" {
+		err := output.WriteOutputText(state, passiveSubdomains)
+		if err != nil {
+			fmt.Printf("\nerror : %v", err)
+		} else {
+			fmt.Printf("\n[#] Successfully Written Output to File : %s", state.Output)
+		}
+	}
+
 	//bruteforce.Bruteforce(state)
 }