login-validator: New parameter -just-login

pkg/login-validator/cmd/login.go

@@ -15,7 +15,10 @@ import (
 	"time"
 )
 
-var loginSalt string
+var (
+	loginSalt string
+	justLogin bool
+)
 
 type loginChecker struct {
 	students   []Student
@@ -81,6 +84,12 @@ func (l loginChecker) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if justLogin {
+		log.Println("Successful login of", lu.Username, "at", r.RemoteAddr)
+		http.Error(w, "You're now successfully logged.", http.StatusOK)
+		return
+	}
+
 	// Find corresponding MAC
 	var ip net.IP
 	spl := strings.SplitN(r.RemoteAddr, ":", 2)

pkg/login-validator/cmd/main.go

@@ -18,6 +18,8 @@ var tftpDir string
 func main() {
 	var studentsFile string
 
+	flag.BoolVar(&justLogin, "just-login", justLogin, "Don't perform MAC assignation and remote registration")
+
 	var bind = flag.String("bind", ":8081", "Bind port/socket")
 	flag.StringVar(&studentsFile, "students", "./students.csv", "Path to a CSV file containing students list")
 	flag.StringVar(&ARPTable, "arp", ARPTable, "Path to ARP table")