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client_test.go
414 lines (380 loc) · 14.4 KB
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client_test.go
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package ntlmssp
import (
"bytes"
"testing"
"github.com/stretchr/testify/assert"
)
func TestGenerateClientChallenge(t *testing.T) {
tables := []struct {
want int
err error
}{
{8, nil},
}
for _, table := range tables {
got, err := generateClientChallenge()
assert.Equal(t, table.want, len(got))
assert.Equal(t, table.err, err)
dup, err := generateClientChallenge()
assert.Equal(t, table.want, len(dup))
assert.Equal(t, table.err, err)
assert.NotEqual(t, got, dup)
}
}
func TestGenerateExportedSessionKey(t *testing.T) {
tables := []struct {
want int
err error
}{
{16, nil},
}
for _, table := range tables {
got, err := generateExportedSessionKey()
assert.Equal(t, table.want, len(got))
assert.Equal(t, table.err, err)
dup, err := generateExportedSessionKey()
assert.Equal(t, table.want, len(dup))
assert.Equal(t, table.err, err)
assert.NotEqual(t, got, dup)
}
}
func TestClientProcessChallengeMessage(t *testing.T) {
tables := []struct {
client *Client
challengeMessage []byte
channelBindings *ChannelBindings
want []byte
err error
}{
// The MS-NLMP document gives examples of challenge messages
// and its resulting authenticate messages for various different
// scenarios however the message flags do not match and the
// document does not explain why these flags should be changed.
// Different flags need to be massaged in each example so it
// smells of lack of testing. Happy to be corrected here!
{
&Client{
domain: "Domain",
password: "Password",
username: "User",
workstation: "COMPUTER",
version: &Version{
ProductMajorVersion: 5,
ProductMinorVersion: 1,
ProductBuild: 2600,
NTLMRevisionCurrent: NTLMSSPRevisionW2K3,
},
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
0x38, 0x00, 0x00, 0x00, 0x33, 0x82, 0x02, 0xe2,
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x06, 0x00, 0x70, 0x17, 0x00, 0x00, 0x00, 0x0f,
0x53, 0x00, 0x65, 0x00, 0x72, 0x00, 0x76, 0x00,
0x65, 0x00, 0x72, 0x00,
},
nil,
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x6c, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x84, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
0x48, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00,
0x54, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0x5c, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0x9c, 0x00, 0x00, 0x00, 0x31, 0x82, 0x02, 0xe2, // Last four bytes originally 0x35, 0x82, 0x80, 0xe2
0x05, 0x01, 0x28, 0x0a, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x00, 0x6f, 0x00, 0x6d, 0x00, 0x61, 0x00,
0x69, 0x00, 0x6e, 0x00, 0x55, 0x00, 0x73, 0x00,
0x65, 0x00, 0x72, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4d, 0x00, 0x50, 0x00, 0x55, 0x00, 0x54, 0x00,
0x45, 0x00, 0x52, 0x00, 0x98, 0xde, 0xf7, 0xb8,
0x7f, 0x88, 0xaa, 0x5d, 0xaf, 0xe2, 0xdf, 0x77,
0x96, 0x88, 0xa1, 0x72, 0xde, 0xf1, 0x1c, 0x7d,
0x5c, 0xcd, 0xef, 0x13, 0x67, 0xc4, 0x30, 0x11,
0xf3, 0x02, 0x98, 0xa2, 0xad, 0x35, 0xec, 0xe6,
0x4f, 0x16, 0x33, 0x1c, 0x44, 0xbd, 0xbe, 0xd9,
0x27, 0x84, 0x1f, 0x94, 0x51, 0x88, 0x22, 0xb1,
0xb3, 0xf3, 0x50, 0xc8, 0x95, 0x86, 0x82, 0xec,
0xbb, 0x3e, 0x3c, 0xb7,
},
nil,
},
{
&Client{
domain: "Domain",
password: "Password",
username: "User",
workstation: "COMPUTER",
version: &Version{
ProductMajorVersion: 5,
ProductMinorVersion: 1,
ProductBuild: 2600,
NTLMRevisionCurrent: NTLMSSPRevisionW2K3,
},
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
0x38, 0x00, 0x00, 0x00, 0x33, 0x82, 0x0a, 0x82,
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x06, 0x00, 0x70, 0x17, 0x00, 0x00, 0x00, 0x0f,
0x53, 0x00, 0x65, 0x00, 0x72, 0x00, 0x76, 0x00,
0x65, 0x00, 0x72, 0x00,
},
nil,
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x6c, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x84, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
0x48, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00,
0x54, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0x5c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x9c, 0x00, 0x00, 0x00, 0x31, 0x82, 0x0a, 0x82, // Last four bytes originally 0x35, 0x82, 0x08, 0x82
0x05, 0x01, 0x28, 0x0a, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x00, 0x6f, 0x00, 0x6d, 0x00, 0x61, 0x00,
0x69, 0x00, 0x6e, 0x00, 0x55, 0x00, 0x73, 0x00,
0x65, 0x00, 0x72, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4d, 0x00, 0x50, 0x00, 0x55, 0x00, 0x54, 0x00,
0x45, 0x00, 0x52, 0x00, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x75, 0x37, 0xf8, 0x03,
0xae, 0x36, 0x71, 0x28, 0xca, 0x45, 0x82, 0x04,
0xbd, 0xe7, 0xca, 0xf8, 0x1e, 0x97, 0xed, 0x26,
0x83, 0x26, 0x72, 0x32,
},
nil,
},
{
&Client{
compatibilityLevel: 3,
domain: "Domain",
password: "Password",
username: "User",
workstation: "COMPUTER",
version: &Version{
ProductMajorVersion: 5,
ProductMinorVersion: 1,
ProductBuild: 2600,
NTLMRevisionCurrent: NTLMSSPRevisionW2K3,
},
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
0x38, 0x00, 0x00, 0x00, 0x33, 0x82, 0x8a, 0xe2,
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x24, 0x00, 0x24, 0x00, 0x44, 0x00, 0x00, 0x00,
0x06, 0x00, 0x70, 0x17, 0x00, 0x00, 0x00, 0x0f,
0x53, 0x00, 0x65, 0x00, 0x72, 0x00, 0x76, 0x00,
0x65, 0x00, 0x72, 0x00, 0x02, 0x00, 0x0c, 0x00,
0x44, 0x00, 0x6f, 0x00, 0x6d, 0x00, 0x61, 0x00,
0x69, 0x00, 0x6e, 0x00, 0x01, 0x00, 0x0c, 0x00,
0x53, 0x00, 0x65, 0x00, 0x72, 0x00, 0x76, 0x00,
0x65, 0x00, 0x72, 0x00, 0x00, 0x00, 0x00, 0x00,
},
nil,
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x6c, 0x00, 0x00, 0x00, 0x54, 0x00, 0x54, 0x00,
0x84, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
0x48, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00,
0x54, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0x5c, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0xd8, 0x00, 0x00, 0x00, 0x31, 0x82, 0x8a, 0xe2, // Last four bytes originally 0x35, 0x82, 0x88, 0xe2
0x05, 0x01, 0x28, 0x0a, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x00, 0x6f, 0x00, 0x6d, 0x00, 0x61, 0x00,
0x69, 0x00, 0x6e, 0x00, 0x55, 0x00, 0x73, 0x00,
0x65, 0x00, 0x72, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4d, 0x00, 0x50, 0x00, 0x55, 0x00, 0x54, 0x00,
0x45, 0x00, 0x52, 0x00, 0x86, 0xc3, 0x50, 0x97,
0xac, 0x9c, 0xec, 0x10, 0x25, 0x54, 0x76, 0x4a,
0x57, 0xcc, 0xcc, 0x19, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0x68, 0xcd, 0x0a, 0xb8,
0x51, 0xe5, 0x1c, 0x96, 0xaa, 0xbc, 0x92, 0x7b,
0xeb, 0xef, 0x6a, 0x1c, 0x01, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x0c, 0x00, 0x44, 0x00, 0x6f, 0x00,
0x6d, 0x00, 0x61, 0x00, 0x69, 0x00, 0x6e, 0x00,
0x01, 0x00, 0x0c, 0x00, 0x53, 0x00, 0x65, 0x00,
0x72, 0x00, 0x76, 0x00, 0x65, 0x00, 0x72, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xc5, 0xda, 0xd2, 0x54, 0x4f, 0xc9, 0x79, 0x90,
0x94, 0xce, 0x1c, 0xe9, 0x0b, 0xc9, 0xd0, 0x3e,
},
nil,
},
}
// Mock the functions that return values based on either random
// numbers or the current time so they return fixed values
oldClientChallenge := generateClientChallenge
defer func() { generateClientChallenge = oldClientChallenge }()
generateClientChallenge = func() ([]byte, error) {
return bytes.Repeat([]byte{0xaa}, 8), nil
}
oldExportedSessionKey := generateExportedSessionKey
defer func() { generateExportedSessionKey = oldExportedSessionKey }()
generateExportedSessionKey = func() ([]byte, error) {
return bytes.Repeat([]byte{0x55}, 16), nil
}
oldCurrentTime := currentTime
defer func() { currentTime = oldCurrentTime }()
currentTime = func() ([]byte, error) {
return bytes.Repeat([]byte{0x00}, 8), nil
}
for _, table := range tables {
got, err := table.client.processChallengeMessage(table.challengeMessage, table.channelBindings)
assert.Equal(t, table.err, err)
if err == nil {
assert.Equal(t, table.want, got)
}
}
}
func TestClient(t *testing.T) {
tables := []struct {
domain, username, password, workstation string
version *Version
negotiate, challenge, fingerprint, authenticate, request, wrap, response []byte
}{
{
"Domain",
"User",
"Password",
"COMPUTER",
&Version{
ProductMajorVersion: 5,
ProductMinorVersion: 1,
ProductBuild: 2600,
NTLMRevisionCurrent: NTLMSSPRevisionW2K3,
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x01, 0x00, 0x00, 0x00, 0x31, 0xb0, 0x88, 0xe2,
0x06, 0x00, 0x06, 0x00, 0x28, 0x00, 0x00, 0x00,
0x08, 0x00, 0x08, 0x00, 0x2e, 0x00, 0x00, 0x00,
0x05, 0x01, 0x28, 0x0a, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x43, 0x4f,
0x4d, 0x50, 0x55, 0x54, 0x45, 0x52,
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x02, 0x00, 0x00, 0x00, 0x2f, 0x82, 0x88, 0xe2,
0x38, 0x00, 0x00, 0x00, 0x33, 0x82, 0x8a, 0xe2,
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x24, 0x00, 0x24, 0x00, 0x44, 0x00, 0x00, 0x00,
0x06, 0x00, 0x70, 0x17, 0x00, 0x00, 0x00, 0x0f,
0x53, 0x00, 0x65, 0x00, 0x72, 0x00, 0x76, 0x00,
0x65, 0x00, 0x72, 0x00, 0x02, 0x00, 0x0c, 0x00,
0x44, 0x00, 0x6f, 0x00, 0x6d, 0x00, 0x61, 0x00,
0x69, 0x00, 0x6e, 0x00, 0x01, 0x00, 0x0c, 0x00,
0x53, 0x00, 0x65, 0x00, 0x72, 0x00, 0x76, 0x00,
0x65, 0x00, 0x72, 0x00, 0x00, 0x00, 0x00, 0x00,
},
[]byte{
0xe3, 0xca, 0x49, 0x27, 0x1e, 0x50, 0x89, 0xcc,
0x48, 0xce, 0x82, 0x10, 0x9f, 0x13, 0x24, 0xf4,
0x1d, 0xbe, 0xdd, 0xc2, 0x9a, 0x77, 0x74, 0x10,
0xc7, 0x38, 0xf7, 0x86, 0x8c, 0x4f, 0xf4, 0x05,
},
[]byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00,
0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x6c, 0x00, 0x00, 0x00, 0x68, 0x00, 0x68, 0x00,
0x84, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
0x48, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00,
0x54, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0x5c, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0xec, 0x00, 0x00, 0x00, 0x31, 0x82, 0x8a, 0xe2,
0x05, 0x01, 0x28, 0x0a, 0x00, 0x00, 0x00, 0x0f,
0x44, 0x00, 0x6f, 0x00, 0x6d, 0x00, 0x61, 0x00,
0x69, 0x00, 0x6e, 0x00, 0x55, 0x00, 0x73, 0x00,
0x65, 0x00, 0x72, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4d, 0x00, 0x50, 0x00, 0x55, 0x00, 0x54, 0x00,
0x45, 0x00, 0x52, 0x00, 0x86, 0xc3, 0x50, 0x97,
0xac, 0x9c, 0xec, 0x10, 0x25, 0x54, 0x76, 0x4a,
0x57, 0xcc, 0xcc, 0x19, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0x04, 0x10, 0xc4, 0x7a,
0xcf, 0x19, 0x97, 0x89, 0xde, 0x7f, 0x20, 0x11,
0x95, 0x7a, 0xea, 0x50, 0x01, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x0c, 0x00, 0x44, 0x00, 0x6f, 0x00,
0x6d, 0x00, 0x61, 0x00, 0x69, 0x00, 0x6e, 0x00,
0x01, 0x00, 0x0c, 0x00, 0x53, 0x00, 0x65, 0x00,
0x72, 0x00, 0x76, 0x00, 0x65, 0x00, 0x72, 0x00,
0x0a, 0x00, 0x10, 0x00, 0x6e, 0xa1, 0x9d, 0xf0,
0x66, 0xda, 0x46, 0x22, 0x05, 0x1f, 0x9c, 0x4f,
0x92, 0xc6, 0xdf, 0x74, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xe5, 0x69, 0x95, 0x1d,
0x15, 0xd4, 0x73, 0x5f, 0x49, 0xe1, 0x4c, 0xf9,
0xa7, 0xd3, 0xe6, 0x72,
},
[]byte("test req"),
[]byte{
0x01, 0x00, 0x00, 0x00, 0xbc, 0xe3, 0x23, 0xa1,
0x72, 0x06, 0x23, 0x78, 0x00, 0x00, 0x00, 0x00,
0x70, 0x80, 0x1e, 0x11, 0xfe, 0x6b, 0x3a, 0xad,
},
[]byte("test res"),
},
}
// Mock the functions that return values based on either random
// numbers or the current time so they return fixed values
oldClientChallenge := generateClientChallenge
defer func() { generateClientChallenge = oldClientChallenge }()
generateClientChallenge = func() ([]byte, error) {
return bytes.Repeat([]byte{0xaa}, 8), nil
}
oldExportedSessionKey := generateExportedSessionKey
defer func() { generateExportedSessionKey = oldExportedSessionKey }()
generateExportedSessionKey = func() ([]byte, error) {
return bytes.Repeat([]byte{0x55}, 16), nil
}
oldCurrentTime := currentTime
defer func() { currentTime = oldCurrentTime }()
currentTime = func() ([]byte, error) {
return bytes.Repeat([]byte{0x00}, 8), nil
}
for _, table := range tables {
client, err := NewClient(SetDomain(table.domain), SetUserInfo(table.username, table.password), SetWorkstation(table.workstation), SetVersion(table.version))
assert.Nil(t, err)
negotiate, err := client.Authenticate(nil, nil)
assert.Nil(t, err)
assert.Equal(t, table.negotiate, negotiate)
cbt := &ChannelBindings{
ApplicationData: concat([]byte(TLSServerEndPoint+":"), table.fingerprint),
}
authenticate, err := client.Authenticate(table.challenge, cbt)
assert.Nil(t, err)
assert.Equal(t, table.authenticate, authenticate)
assert.Equal(t, true, client.Complete())
clientSession := client.SecuritySession()
assert.NotNil(t, clientSession)
message, signature, err := clientSession.Wrap(table.request)
assert.Nil(t, err)
assert.Equal(t, table.wrap, concat(signature, message))
serverSession, err := newSecuritySession(client.negotiatedFlags, bytes.Repeat([]byte{0x55}, 16), sourceServer)
assert.Nil(t, err)
unwrapped, err := serverSession.Unwrap(message, signature)
assert.Nil(t, err)
assert.Equal(t, table.request, unwrapped)
message, signature, err = serverSession.Wrap(table.response)
assert.Nil(t, err)
unwrapped, err = clientSession.Unwrap(message, signature)
assert.Nil(t, err)
assert.Equal(t, table.response, unwrapped)
}
}