Add freshclam goroutine.

malscan.go

@@ -2,11 +2,23 @@ package main
 
 import (
 	"fmt"
+	"time"
 
 	clamav "git.cyber.gent/friedkiwi/go-clamav"
 )
 
+func banner() {
+	fmt.Println("                 _                     \n _ __ ___   __ _| |___  ___ __ _ _ __  \n| '_ ` _ \\ / _` | / __|/ __/ _` | '_ \\ \n| | | | | | (_| | \\__ \\ (_| (_| | | | |\n|_| |_| |_|\\__,_|_|___/\\___\\__,_|_| |_|\n                                       ")
+	fmt.Println("malscan v0.1 microservice")
+	fmt.Println("")
+}
+
 func main() {
+
+	banner()
+	// start freshclam goroutine
+	go freshclam_update()
+
 	// new clamav instance
 	c := new(clamav.Clamav)
 	err := c.Init(clamav.SCAN_OPTIONS{
@@ -44,4 +56,9 @@ func main() {
 	// scan
 	scanned, virusName, ret := c.ScanFile("/bin/bash")
 	fmt.Println(scanned, virusName, ret)
+
+	// loop forever.
+	for {
+		time.Sleep(1 * time.Second)
+	}
 }

rest.go

@@ -0,0 +1 @@
+package main

updater.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"log"
+	"os"
+	"os/exec"
+	"time"
+)
+
+func freshclam_update() {
+	for {
+		freshclam_update_routine()
+		time.Sleep(1 * time.Hour)
+	}
+}
+
+func freshclam_update_routine() {
+	log.Println("freshclam_update_routine(): refreshing clamav database...")
+
+	freshclamCommand := exec.Command("freshclam")
+	freshclamCommand.Stdout = os.Stdout
+	freshclamCommand.Stderr = os.Stderr
+	err := freshclamCommand.Run()
+	if err != nil {
+		log.Println("freshclam_update_routine(): error running freshclam:", err)
+	}
+
+	log.Println("freshclam_update_routine(): done refreshing clamav database")
+}