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negotiate_message_test.go
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package ntlmssp
import (
"errors"
"io"
"testing"
"github.com/stretchr/testify/assert"
)
func TestNegotiateMessageUnmarshal(t *testing.T) {
tables := []struct {
got []byte
want negotiateMessage
err error
}{
{
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0xb2, 0x02, 0xe2,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x06, 0x01, 0xb1, 0x1d, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x43, 0x4f,
0x4d, 0x50, 0x55, 0x54, 0x45, 0x52,
},
negotiateMessage{
negotiateMessageFields: negotiateMessageFields{
messageHeader: newMessageHeader(ntLmNegotiate),
NegotiateFlags: 0xe202b232,
DomainNameFields: payload{
Len: 6,
MaxLen: 6,
Offset: 40,
},
WorkstationFields: payload{
Len: 8,
MaxLen: 8,
Offset: 46,
},
},
DomainName: "Domain",
Workstation: "COMPUTER",
Version: &Version{
ProductMajorVersion: 6,
ProductMinorVersion: 1,
ProductBuild: 7601,
NTLMRevisionCurrent: NTLMSSPRevisionW2K3,
},
},
nil,
},
{
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0xb2, 0x02, 0xe0,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x43, 0x4f,
0x4d, 0x50, 0x55, 0x54, 0x45, 0x52,
},
negotiateMessage{
negotiateMessageFields: negotiateMessageFields{
messageHeader: newMessageHeader(ntLmNegotiate),
NegotiateFlags: ntlmsspNegotiateVersion.Unset(0xe202b232),
DomainNameFields: payload{
Len: 6,
MaxLen: 6,
Offset: 40,
},
WorkstationFields: payload{
Len: 8,
MaxLen: 8,
Offset: 46,
},
},
DomainName: "Domain",
Workstation: "COMPUTER",
Version: nil,
},
nil,
},
{
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0x82, 0x02, 0xe2,
0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00,
0x06, 0x01, 0xb1, 0x1d, 0x00, 0x00, 0x00, 0x0f,
},
negotiateMessage{
negotiateMessageFields: negotiateMessageFields{
messageHeader: newMessageHeader(ntLmNegotiate),
NegotiateFlags: 0xe2028232,
DomainNameFields: payload{
Len: 0,
MaxLen: 0,
Offset: 40,
},
WorkstationFields: payload{
Len: 0,
MaxLen: 0,
Offset: 40,
},
},
DomainName: "",
Workstation: "",
Version: &Version{
ProductMajorVersion: 6,
ProductMinorVersion: 1,
ProductBuild: 7601,
NTLMRevisionCurrent: NTLMSSPRevisionW2K3,
},
},
nil,
},
{
// 31 bytes to force a short negotiateMessageFields read
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0x82, 0x02, 0xe2,
0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00,
},
negotiateMessage{},
io.ErrUnexpectedEOF,
},
{
// 9th byte changed to force invalid negotiate message
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x02, 0x00, 0x00, 0x00, 0x32, 0xb2, 0x02, 0xe2,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x06, 0x01, 0xb1, 0x1d, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x43, 0x4f,
0x4d, 0x50, 0x55, 0x54, 0x45, 0x52,
},
negotiateMessage{},
errInvalidNegotiateMessage,
},
{
// 45 bytes to force a short DomainName read
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0xb2, 0x02, 0xe0,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x44, 0x6f, 0x6d, 0x61, 0x69,
},
negotiateMessage{},
errors.New("expected 6 bytes, only read 5"),
},
{
// 54 bytes to force a short Workstation read
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0xb2, 0x02, 0xe0,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x43, 0x4f,
0x4d, 0x50, 0x55, 0x54, 0x45,
},
negotiateMessage{},
errors.New("expected 8 bytes, only read 7"),
},
{
// 39 bytes to force a short Version read
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0x82, 0x02, 0xe2,
0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00,
0x06, 0x01, 0xb1, 0x1d, 0x00, 0x00, 0x00,
},
negotiateMessage{},
io.ErrUnexpectedEOF,
},
}
for _, table := range tables {
m := negotiateMessage{}
err := m.Unmarshal(table.got)
assert.Equal(t, table.err, err)
if err == nil {
assert.Equal(t, table.want, m)
}
}
}
func TestNegotiateMessageMarshal(t *testing.T) {
tables := []struct {
got negotiateMessage
want []byte
err error
}{
{
negotiateMessage{
negotiateMessageFields: negotiateMessageFields{
messageHeader: newMessageHeader(ntLmNegotiate),
NegotiateFlags: 0xe202b232,
},
DomainName: "Domain",
Workstation: "COMPUTER",
Version: &Version{
ProductMajorVersion: 6,
ProductMinorVersion: 1,
ProductBuild: 7601,
NTLMRevisionCurrent: NTLMSSPRevisionW2K3,
},
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0xb2, 0x02, 0xe2,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x06, 0x01, 0xb1, 0x1d, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x43, 0x4f,
0x4d, 0x50, 0x55, 0x54, 0x45, 0x52,
},
nil,
},
{
negotiateMessage{
negotiateMessageFields: negotiateMessageFields{
messageHeader: newMessageHeader(ntLmNegotiate),
NegotiateFlags: ntlmsspNegotiateVersion.Unset(0xe202b232),
},
DomainName: "Domain",
Workstation: "COMPUTER",
Version: nil,
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x32, 0xb2, 0x02, 0xe0,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x43, 0x4f,
0x4d, 0x50, 0x55, 0x54, 0x45, 0x52,
},
nil,
},
}
for _, table := range tables {
b, err := table.got.Marshal()
assert.Equal(t, table.err, err)
if err == nil {
assert.Equal(t, table.want, b)
}
}
}