netboot/dhcp6/packet_test.go
2018-02-05 21:28:40 -08:00

102 lines
4.0 KiB
Go

package dhcp6
import (
"encoding/binary"
"testing"
)
func TestShouldDiscardSolicitWithoutBootfileUrlOption(t *testing.T) {
clientID := []byte("clientid")
options := make(Options)
options.Add(&Option{ID: OptClientID, Length: uint16(len(clientID)), Value: clientID})
solicit := &Packet{Type: MsgSolicit, TransactionID: [3]byte{'1', '2', '3'}, Options: options}
if err := shouldDiscardSolicit(solicit); err == nil {
t.Fatalf("Should discard solicit packet without bootfile url option, but didn't")
}
}
func TestShouldDiscardSolicitWithoutClientIdOption(t *testing.T) {
options := make(Options)
options.Add(MakeOptionRequestOptions([]uint16{OptBootfileURL}))
solicit := &Packet{Type: MsgSolicit, TransactionID: [3]byte{'1', '2', '3'}, Options: options}
if err := shouldDiscardSolicit(solicit); err == nil {
t.Fatalf("Should discard solicit packet without client id option, but didn't")
}
}
func TestShouldDiscardSolicitWithServerIdOption(t *testing.T) {
serverID := []byte("serverid")
clientID := []byte("clientid")
options := make(Options)
options.Add(MakeOptionRequestOptions([]uint16{OptBootfileURL}))
options.Add(&Option{ID: OptClientID, Length: uint16(len(clientID)), Value: clientID})
options.Add(&Option{ID: OptServerID, Length: uint16(len(serverID)), Value: serverID})
solicit := &Packet{Type: MsgSolicit, TransactionID: [3]byte{'1', '2', '3'}, Options: options}
if err := shouldDiscardSolicit(solicit); err == nil {
t.Fatalf("Should discard solicit packet with server id option, but didn't")
}
}
func TestShouldDiscardRequestWithoutBootfileUrlOption(t *testing.T) {
serverID := []byte("serverid")
clientID := []byte("clientid")
options := make(Options)
options.Add(&Option{ID: OptClientID, Length: uint16(len(clientID)), Value: clientID})
options.Add(&Option{ID: OptServerID, Length: uint16(len(serverID)), Value: serverID})
request := &Packet{Type: MsgRequest, TransactionID: [3]byte{'1', '2', '3'}, Options: options}
if err := shouldDiscardRequest(request, serverID); err == nil {
t.Fatalf("Should discard request packet without bootfile url option, but didn't")
}
}
func TestShouldDiscardRequestWithoutClientIdOption(t *testing.T) {
serverID := []byte("serverid")
options := make(Options)
options.Add(MakeOptionRequestOptions([]uint16{OptBootfileURL}))
options.Add(&Option{ID: OptServerID, Length: uint16(len(serverID)), Value: serverID})
request := &Packet{Type: MsgRequest, TransactionID: [3]byte{'1', '2', '3'}, Options: options}
if err := shouldDiscardRequest(request, serverID); err == nil {
t.Fatalf("Should discard request packet without client id option, but didn't")
}
}
func TestShouldDiscardRequestWithoutServerIdOption(t *testing.T) {
clientID := []byte("clientid")
options := make(Options)
options.Add(MakeOptionRequestOptions([]uint16{OptBootfileURL}))
options.Add(&Option{ID: OptClientID, Length: uint16(len(clientID)), Value: clientID})
request := &Packet{Type: MsgRequest, TransactionID: [3]byte{'1', '2', '3'}, Options: options}
if err := shouldDiscardRequest(request, []byte("serverid")); err == nil {
t.Fatalf("Should discard request packet with server id option, but didn't")
}
}
func TestShouldDiscardRequestWithWrongServerId(t *testing.T) {
clientID := []byte("clientid")
serverID := []byte("serverid")
options := make(Options)
options.Add(MakeOptionRequestOptions([]uint16{OptBootfileURL}))
options.Add(&Option{ID: OptClientID, Length: uint16(len(clientID)), Value: clientID})
options.Add(&Option{ID: OptServerID, Length: uint16(len(serverID)), Value: serverID})
request := &Packet{Type: MsgRequest, TransactionID: [3]byte{'1', '2', '3'}, Options: options}
if err := shouldDiscardRequest(request, []byte("wrongid")); err == nil {
t.Fatalf("Should discard request packet with wrong server id option, but didn't")
}
}
func MakeOptionRequestOptions(options []uint16) *Option {
value := make([]byte, len(options)*2)
for i, option := range options {
binary.BigEndian.PutUint16(value[i*2:], option)
}
return &Option{ID: OptOro, Length: uint16(len(options) * 2), Value: value}
}