watchyourlan/src/arpscan.go
2022-08-24 00:10:55 +07:00

55 lines
No EOL
1.2 KiB
Go

package main
import (
"log"
"os/exec"
"strings"
"time"
)
func scan_iface(iface string) (string) {
cmd, err := exec.Command("arp-scan", "-glNx", "-I", iface).Output()
if err != nil {
return string("")
} else {
return string(cmd)
}
}
func parse_output(text string) ([]Host) {
var foundHosts = []Host{}
perString := strings.Split(text, "\n")
currentTime := time.Now()
for _, host := range perString {
if host != "" {
var oneHost Host
p := strings.Split(host, " ")
oneHost.Ip = p[0]
oneHost.Mac = p[1]
oneHost.Hw = p[2]
oneHost.Date = currentTime.Format("2006-01-02 15:04:05")
oneHost.Now = 1
foundHosts = append(foundHosts, oneHost)
}
}
return foundHosts
}
func arp_scan() ([]Host) {
var text string
var foundHosts = []Host{}
perString := strings.Split(AppConfig.Iface, " ")
for _, iface := range perString {
log.Println("INFO: scanning interface", iface)
text = scan_iface(iface)
log.Println("INFO: found IPs:", text)
foundHosts = append(foundHosts, parse_output(text)...)
}
return foundHosts
}