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refactor(tracex): convert to unit testing (#781)

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The exercise already allowed me to notice issues such as fields not
being properly initialized by savers.

This is one of the last steps before moving tracex away from the
internal/netx package and into the internal package.

See https://github.com/ooni/probe/issues/2121
This commit is contained in:
Simone Basso 2022-06-01 23:15:47 +02:00 committed by GitHub
parent 6212daa54a
commit d397036073
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 1693 additions and 1130 deletions
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8
internal/engine/experiment/urlgetter/configurer_test.go
View File

@ -119,7 +119,7 @@ func TestConfigurerNewConfigurationResolverDNSOverHTTPSPowerdns(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
stxp, ok := sr.Txp.(*tracex.SaverDNSTransport)
stxp, ok := sr.Txp.(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the DNS transport we expected")
}
@ -195,7 +195,7 @@ func TestConfigurerNewConfigurationResolverDNSOverHTTPSGoogle(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
stxp, ok := sr.Txp.(*tracex.SaverDNSTransport)
stxp, ok := sr.Txp.(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the DNS transport we expected")
}
@ -271,7 +271,7 @@ func TestConfigurerNewConfigurationResolverDNSOverHTTPSCloudflare(t *testing.T)
if !ok {
t.Fatal("not the resolver we expected")
}
stxp, ok := sr.Txp.(*tracex.SaverDNSTransport)
stxp, ok := sr.Txp.(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the DNS transport we expected")
}
@ -347,7 +347,7 @@ func TestConfigurerNewConfigurationResolverUDP(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
stxp, ok := sr.Txp.(*tracex.SaverDNSTransport)
stxp, ok := sr.Txp.(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the DNS transport we expected")
}

2
internal/engine/netx/netx.go
View File

@ -187,7 +187,7 @@ func NewHTTPTransport(config Config) model.HTTPTransport {
txp = &netxlite.HTTPTransportLogger{Logger: config.Logger, HTTPTransport: txp}
}
if config.HTTPSaver != nil {
txp = &tracex.SaverTransactionHTTPTransport{
txp = &tracex.HTTPTransportSaver{
HTTPTransport: txp, Saver: config.HTTPSaver}
}
return txp

14
internal/engine/netx/netx_test.go
View File

@ -126,7 +126,7 @@ func TestNewResolverWithSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
sr, ok := ir.Resolver.(*tracex.SaverResolver)
sr, ok := ir.Resolver.(*tracex.ResolverSaver)
if !ok {
t.Fatal("not the resolver we expected")
}
@ -332,7 +332,7 @@ func TestNewTLSDialerWithSaver(t *testing.T) {
if rtd.TLSHandshaker == nil {
t.Fatal("invalid TLSHandshaker")
}
sth, ok := rtd.TLSHandshaker.(*tracex.SaverTLSHandshaker)
sth, ok := rtd.TLSHandshaker.(*tracex.TLSHandshakerSaver)
if !ok {
t.Fatal("not the TLSHandshaker we expected")
}
@ -504,7 +504,7 @@ func TestNewWithSaver(t *testing.T) {
txp := netx.NewHTTPTransport(netx.Config{
HTTPSaver: saver,
})
stxptxp, ok := txp.(*tracex.SaverTransactionHTTPTransport)
stxptxp, ok := txp.(*tracex.HTTPTransportSaver)
if !ok {
t.Fatal("not the transport we expected")
}
@ -622,7 +622,7 @@ func TestNewDNSClientCloudflareDoHSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(*tracex.SaverDNSTransport)
txp, ok := r.Transport().(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the transport we expected")
}
@ -659,7 +659,7 @@ func TestNewDNSClientUDPDNSSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(*tracex.SaverDNSTransport)
txp, ok := r.Transport().(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the transport we expected")
}
@ -700,7 +700,7 @@ func TestNewDNSClientTCPDNSSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(*tracex.SaverDNSTransport)
txp, ok := r.Transport().(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the transport we expected")
}
@ -745,7 +745,7 @@ func TestNewDNSClientDoTDNSSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(*tracex.SaverDNSTransport)
txp, ok := r.Transport().(*tracex.DNSTransportSaver)
if !ok {
t.Fatal("not the transport we expected")
}

61
internal/engine/netx/tracex/archival.go
View File

@ -1,5 +1,9 @@
package tracex
//
// Code to generate the OONI archival data format from events
//
import (
"crypto/x509"
"errors"
@ -43,8 +47,7 @@ var (
)
// NewTCPConnectList creates a new TCPConnectList
func NewTCPConnectList(begin time.Time, events []Event) []TCPConnectEntry {
var out []TCPConnectEntry
func NewTCPConnectList(begin time.Time, events []Event) (out []TCPConnectEntry) {
for _, wrapper := range events {
if _, ok := wrapper.(*EventConnectOperation); !ok {
continue
@ -60,13 +63,14 @@ func NewTCPConnectList(begin time.Time, events []Event) []TCPConnectEntry {
IP: ip,
Port: iport,
Status: TCPConnectStatus{
Blocked: nil, // only used by Web Connectivity
Failure: NewFailure(event.Err),
Success: event.Err == nil,
},
T: event.Time.Sub(begin).Seconds(),
})
}
return out
return
}
// NewFailure creates a failure nullable string from the given error
@ -101,11 +105,9 @@ func NewFailedOperation(err error) *string {
return &s
}
func httpAddHeaders(
source http.Header,
destList *[]HTTPHeader,
destMap *map[string]MaybeBinaryValue,
) {
// httpAddHeaders adds the headers inside source into destList and destMap.
func httpAddHeaders(source http.Header, destList *[]HTTPHeader,
destMap *map[string]MaybeBinaryValue) {
*destList = []HTTPHeader{}
*destMap = make(map[string]model.ArchivalMaybeBinaryData)
for key, values := range source {
@ -122,32 +124,28 @@ func httpAddHeaders(
})
}
}
// Sorting helps with unit testing (map keys are unordered)
sort.Slice(*destList, func(i, j int) bool {
return (*destList)[i].Key < (*destList)[j].Key
})
}
// NewRequestList returns the list for "requests"
func NewRequestList(begin time.Time, events []Event) []RequestEntry {
func NewRequestList(begin time.Time, events []Event) (out []RequestEntry) {
// OONI wants the last request to appear first
var out []RequestEntry
tmp := newRequestList(begin, events)
for i := len(tmp) - 1; i >= 0; i-- {
out = append(out, tmp[i])
}
return out
return
}
func newRequestList(begin time.Time, events []Event) []RequestEntry {
var (
out []RequestEntry
entry RequestEntry
)
func newRequestList(begin time.Time, events []Event) (out []RequestEntry) {
for _, wrapper := range events {
ev := wrapper.Value()
switch wrapper.(type) {
case *EventHTTPTransactionDone:
entry = RequestEntry{}
entry := RequestEntry{}
entry.T = ev.Time.Sub(begin).Seconds()
httpAddHeaders(
ev.HTTPRequestHeaders, &entry.Request.HeadersList, &entry.Request.Headers)
@ -164,15 +162,14 @@ func newRequestList(begin time.Time, events []Event) []RequestEntry {
out = append(out, entry)
}
}
return out
return
}
type dnsQueryType string
// NewDNSQueriesList returns a list of DNS queries.
func NewDNSQueriesList(begin time.Time, events []Event) []DNSQueryEntry {
func NewDNSQueriesList(begin time.Time, events []Event) (out []DNSQueryEntry) {
// TODO(bassosimone): add support for CNAME lookups.
var out []DNSQueryEntry
for _, wrapper := range events {
if _, ok := wrapper.(*EventResolveDone); !ok {
continue
@ -199,7 +196,7 @@ func NewDNSQueriesList(begin time.Time, events []Event) []DNSQueryEntry {
out = append(out, entry)
}
}
return out
return
}
func (qtype dnsQueryType) ipOfType(addr string) bool {
@ -214,6 +211,8 @@ func (qtype dnsQueryType) ipOfType(addr string) bool {
func (qtype dnsQueryType) makeAnswerEntry(addr string) DNSAnswerEntry {
answer := DNSAnswerEntry{AnswerType: string(qtype)}
// Figuring out the ASN and the org here is not just a service to whoever
// is reading a JSON: Web Connectivity also depends on it!
asn, org, _ := geolocate.LookupASN(addr)
answer.ASN = int64(asn)
answer.ASOrgName = org
@ -237,9 +236,8 @@ func (qtype dnsQueryType) makeQueryEntry(begin time.Time, ev *EventValue) DNSQue
}
}
// NewNetworkEventsList returns a list of DNS queries.
func NewNetworkEventsList(begin time.Time, events []Event) []NetworkEvent {
var out []NetworkEvent
// NewNetworkEventsList returns a list of network events.
func NewNetworkEventsList(begin time.Time, events []Event) (out []NetworkEvent) {
for _, wrapper := range events {
ev := wrapper.Value()
switch wrapper.(type) {
@ -281,7 +279,7 @@ func NewNetworkEventsList(begin time.Time, events []Event) []NetworkEvent {
NumBytes: int64(ev.NumBytes),
T: ev.Time.Sub(begin).Seconds(),
})
default:
default: // For example, "tls_handshake_done" (used in data analysis!)
out = append(out, NetworkEvent{
Failure: NewFailure(ev.Err),
Operation: wrapper.Name(),
@ -289,15 +287,14 @@ func NewNetworkEventsList(begin time.Time, events []Event) []NetworkEvent {
})
}
}
return out
return
}
// NewTLSHandshakesList creates a new TLSHandshakesList
func NewTLSHandshakesList(begin time.Time, events []Event) []TLSHandshake {
var out []TLSHandshake
func NewTLSHandshakesList(begin time.Time, events []Event) (out []TLSHandshake) {
for _, wrapper := range events {
switch wrapper.(type) {
case *EventQUICHandshakeDone, *EventTLSHandshakeDone: // ok
case *EventQUICHandshakeDone, *EventTLSHandshakeDone: // interested
default:
continue // not interested
}
@ -314,12 +311,12 @@ func NewTLSHandshakesList(begin time.Time, events []Event) []TLSHandshake {
TLSVersion: ev.TLSVersion,
})
}
return out
return
}
func tlsMakePeerCerts(in []*x509.Certificate) (out []MaybeBinaryValue) {
for _, e := range in {
out = append(out, MaybeBinaryValue{Value: string(e.Raw)})
for _, entry := range in {
out = append(out, MaybeBinaryValue{Value: string(entry.Raw)})
}
return
}

89
internal/engine/netx/tracex/archival_test.go
View File

@ -6,7 +6,6 @@ import (
"errors"
"io"
"net/http"
"reflect"
"testing"
"time"
@ -15,7 +14,8 @@ import (
"github.com/ooni/probe-cli/v3/internal/netxlite"
)
func TestDNSQueryIPOfType(t *testing.T) {
func TestDNSQueryType(t *testing.T) {
t.Run("ipOfType", func(t *testing.T) {
type expectation struct {
qtype dnsQueryType
ip string
@ -51,6 +51,7 @@ func TestDNSQueryIPOfType(t *testing.T) {
t.Fatalf("failure for %+v", exp)
}
}
})
}
func TestNewTCPConnectList(t *testing.T) {
@ -74,7 +75,7 @@ func TestNewTCPConnectList(t *testing.T) {
name: "realistic run",
args: args{
begin: begin,
events: []Event{&EventResolveDone{&EventValue{
events: []Event{&EventResolveDone{&EventValue{ // skipped because not relevant
Addresses: []string{"8.8.8.8", "8.8.4.4"},
Hostname: "dns.google.com",
Time: begin.Add(100 * time.Millisecond),
@ -86,7 +87,7 @@ func TestNewTCPConnectList(t *testing.T) {
}}, &EventConnectOperation{&EventValue{
Address: "8.8.8.8:853",
Duration: 55 * time.Millisecond,
Proto: "udp",
Proto: "udp", // this one should be skipped because it's UDP
Time: begin.Add(130 * time.Millisecond),
}}, &EventConnectOperation{&EventValue{
Address: "8.8.4.4:53",
@ -115,8 +116,9 @@ func TestNewTCPConnectList(t *testing.T) {
}}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewTCPConnectList(tt.args.begin, tt.args.events); !reflect.DeepEqual(got, tt.want) {
t.Error(cmp.Diff(got, tt.want))
got := NewTCPConnectList(tt.args.begin, tt.args.events)
if diff := cmp.Diff(tt.want, got); diff != "" {
t.Fatal(diff)
}
})
}
@ -143,6 +145,7 @@ func TestNewRequestList(t *testing.T) {
name: "realistic run",
args: args{
begin: begin,
// Two round trips so we can test the sorting expected by OONI
events: []Event{&EventHTTPTransactionDone{&EventValue{
HTTPRequestHeaders: http.Header{
"User-Agent": []string{"miniooni/0.1.0-dev"},
@ -286,8 +289,9 @@ func TestNewRequestList(t *testing.T) {
}}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewRequestList(tt.args.begin, tt.args.events); !reflect.DeepEqual(got, tt.want) {
t.Error(cmp.Diff(tt.want, got))
got := NewRequestList(tt.args.begin, tt.args.events)
if diff := cmp.Diff(tt.want, got); diff != "" {
t.Fatal(diff)
}
})
}
@ -320,12 +324,12 @@ func TestNewDNSQueriesList(t *testing.T) {
Hostname: "dns.google.com",
Proto: "dot",
Time: begin.Add(100 * time.Millisecond),
}}, &EventConnectOperation{&EventValue{
}}, &EventConnectOperation{&EventValue{ // skipped because not relevant
Address: "8.8.8.8:853",
Duration: 30 * time.Millisecond,
Proto: "tcp",
Time: begin.Add(130 * time.Millisecond),
}}, &EventConnectOperation{&EventValue{
}}, &EventConnectOperation{&EventValue{ // skipped because not relevant
Address: "8.8.4.4:53",
Duration: 50 * time.Millisecond,
Err: io.EOF,
@ -452,6 +456,10 @@ func TestNewNetworkEventsList(t *testing.T) {
Err: websocket.ErrBadHandshake,
NumBytes: 4114,
Time: begin.Add(14 * time.Millisecond),
}}, &EventResolveStart{&EventValue{
// We expect this event to be logged event though it's not a typical I/O
// event (it seems these extra events are useful for debugging)
Time: begin.Add(15 * time.Millisecond),
}}},
},
want: []NetworkEvent{{
@ -482,12 +490,16 @@ func TestNewNetworkEventsList(t *testing.T) {
NumBytes: 4114,
Operation: netxlite.WriteToOperation,
T: 0.014,
}, {
Operation: "resolve_start",
T: 0.015,
}},
}}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewNetworkEventsList(tt.args.begin, tt.args.events); !reflect.DeepEqual(got, tt.want) {
t.Error(cmp.Diff(got, tt.want))
got := NewNetworkEventsList(tt.args.begin, tt.args.events)
if diff := cmp.Diff(tt.want, got); diff != "" {
t.Fatal(diff)
}
})
}
@ -511,13 +523,14 @@ func TestNewTLSHandshakesList(t *testing.T) {
},
want: nil,
}, {
name: "realistic run",
name: "realistic run with TLS",
args: args{
begin: begin,
events: []Event{&EventTLSHandshakeDone{&EventValue{
Address: "131.252.210.176:443",
Err: io.EOF,
NoTLSVerify: false,
Proto: "tcp",
TLSCipherSuite: "SUITE",
TLSNegotiatedProto: "h2",
TLSPeerCerts: []*x509.Certificate{{
@ -545,11 +558,57 @@ func TestNewTLSHandshakesList(t *testing.T) {
T: 0.055,
TLSVersion: "TLSv1.3",
}},
}, {
name: "realistic run with QUIC",
args: args{
begin: begin,
events: []Event{&EventQUICHandshakeDone{&EventValue{
Address: "131.252.210.176:443",
Err: io.EOF,
NoTLSVerify: false,
Proto: "quic",
TLSCipherSuite: "SUITE",
TLSNegotiatedProto: "h3",
TLSPeerCerts: []*x509.Certificate{{
Raw: []byte("deadbeef"),
}, {
Raw: []byte("abad1dea"),
}},
TLSServerName: "x.org",
TLSVersion: "TLSv1.3",
Time: begin.Add(55 * time.Millisecond),
}}},
},
want: []TLSHandshake{{
Address: "131.252.210.176:443",
CipherSuite: "SUITE",
Failure: NewFailure(io.EOF),
NegotiatedProtocol: "h3",
NoTLSVerify: false,
PeerCertificates: []MaybeBinaryValue{{
Value: "deadbeef",
}, {
Value: "abad1dea",
}},
ServerName: "x.org",
T: 0.055,
TLSVersion: "TLSv1.3",
}},
}, {
name: "realistic run with no suitable events",
args: args{
begin: begin,
events: []Event{&EventResolveStart{&EventValue{
Time: begin.Add(55 * time.Millisecond),
}}},
},
want: nil,
}}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewTLSHandshakesList(tt.args.begin, tt.args.events); !reflect.DeepEqual(got, tt.want) {
t.Error(cmp.Diff(got, tt.want))
got := NewTLSHandshakesList(tt.args.begin, tt.args.events)
if diff := cmp.Diff(tt.want, got); diff != "" {
t.Fatal(diff)
}
})
}

58
internal/engine/netx/tracex/dialer.go
View File

@ -12,8 +12,8 @@ import (
"github.com/ooni/probe-cli/v3/internal/model"
)
// SaverDialer saves events occurring during the dial
type SaverDialer struct {
// DialerSaver saves events occurring during the dial
type DialerSaver struct {
// Dialer is the underlying dialer,
Dialer model.Dialer
@ -28,26 +28,26 @@ func (s *Saver) NewConnectObserver() model.DialerWrapper {
if s == nil {
return nil // valid DialerWrapper according to netxlite's docs
}
return &saverDialerWrapper{
return &dialerConnectObserver{
saver: s,
}
}
type saverDialerWrapper struct {
type dialerConnectObserver struct {
saver *Saver
}
var _ model.DialerWrapper = &saverDialerWrapper{}
var _ model.DialerWrapper = &dialerConnectObserver{}
func (w *saverDialerWrapper) WrapDialer(d model.Dialer) model.Dialer {
return &SaverDialer{
func (w *dialerConnectObserver) WrapDialer(d model.Dialer) model.Dialer {
return &DialerSaver{
Dialer: d,
Saver: w.saver,
}
}
// DialContext implements Dialer.DialContext
func (d *SaverDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
func (d *DialerSaver) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
start := time.Now()
conn, err := d.Dialer.DialContext(ctx, network, address)
stop := time.Now()
@ -61,13 +61,13 @@ func (d *SaverDialer) DialContext(ctx context.Context, network, address string)
return conn, err
}
func (d *SaverDialer) CloseIdleConnections() {
func (d *DialerSaver) CloseIdleConnections() {
d.Dialer.CloseIdleConnections()
}
// SaverConnDialer wraps the returned connection such that we
// DialerConnSaver wraps the returned connection such that we
// collect all the read/write events that occur.
type SaverConnDialer struct {
type DialerConnSaver struct {
// Dialer is the underlying dialer
Dialer model.Dialer
@ -82,70 +82,78 @@ func (s *Saver) NewReadWriteObserver() model.DialerWrapper {
if s == nil {
return nil // valid DialerWrapper according to netxlite's docs
}
return &saverReadWriteWrapper{
return &dialerReadWriteObserver{
saver: s,
}
}
type saverReadWriteWrapper struct {
type dialerReadWriteObserver struct {
saver *Saver
}
var _ model.DialerWrapper = &saverReadWriteWrapper{}
var _ model.DialerWrapper = &dialerReadWriteObserver{}
func (w *saverReadWriteWrapper) WrapDialer(d model.Dialer) model.Dialer {
return &SaverConnDialer{
func (w *dialerReadWriteObserver) WrapDialer(d model.Dialer) model.Dialer {
return &DialerConnSaver{
Dialer: d,
Saver: w.saver,
}
}
// DialContext implements Dialer.DialContext
func (d *SaverConnDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
func (d *DialerConnSaver) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
conn, err := d.Dialer.DialContext(ctx, network, address)
if err != nil {
return nil, err
}
return &saverConn{saver: d.Saver, Conn: conn}, nil
return &dialerConnWrapper{saver: d.Saver, Conn: conn}, nil
}
func (d *SaverConnDialer) CloseIdleConnections() {
func (d *DialerConnSaver) CloseIdleConnections() {
d.Dialer.CloseIdleConnections()
}
type saverConn struct {
type dialerConnWrapper struct {
net.Conn
saver *Saver
}
func (c *saverConn) Read(p []byte) (int, error) {
func (c *dialerConnWrapper) Read(p []byte) (int, error) {
proto := c.Conn.RemoteAddr().Network()
remoteAddr := c.Conn.RemoteAddr().String()
start := time.Now()
count, err := c.Conn.Read(p)
stop := time.Now()
c.saver.Write(&EventReadOperation{&EventValue{
Address: remoteAddr,
Data: p[:count],
Duration: stop.Sub(start),
Err: err,
NumBytes: count,
Proto: proto,
Time: stop,
}})
return count, err
}
func (c *saverConn) Write(p []byte) (int, error) {
func (c *dialerConnWrapper) Write(p []byte) (int, error) {
proto := c.Conn.RemoteAddr().Network()
remoteAddr := c.Conn.RemoteAddr().String()
start := time.Now()
count, err := c.Conn.Write(p)
stop := time.Now()
c.saver.Write(&EventWriteOperation{&EventValue{
Address: remoteAddr,
Data: p[:count],
Duration: stop.Sub(start),
Err: err,
NumBytes: count,
Proto: proto,
Time: stop,
}})
return count, err
}
var _ model.Dialer = &SaverDialer{}
var _ model.Dialer = &SaverConnDialer{}
var _ net.Conn = &saverConn{}
var _ model.Dialer = &DialerSaver{}
var _ model.Dialer = &DialerConnSaver{}
var _ net.Conn = &dialerConnWrapper{}

229
internal/engine/netx/tracex/dialer_test.go
View File

@ -12,10 +12,27 @@ import (
"github.com/ooni/probe-cli/v3/internal/netxlite"
)
func TestSaverDialerFailure(t *testing.T) {
func TestDialerConnectObserver(t *testing.T) {
saver := &Saver{}
obs := &dialerConnectObserver{
saver: saver,
}
dialer := &mocks.Dialer{}
out := obs.WrapDialer(dialer)
dialSaver := out.(*DialerSaver)
if dialSaver.Dialer != dialer {
t.Fatal("invalid dialer")
}
if dialSaver.Saver != saver {
t.Fatal("invalid saver")
}
}
func TestDialerSaver(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("mocked error")
saver := &Saver{}
dlr := &SaverDialer{
dlr := &DialerSaver{
Dialer: &mocks.Dialer{
MockDialContext: func(ctx context.Context, network string, address string) (net.Conn, error) {
return nil, expected
@ -52,12 +69,48 @@ func TestSaverDialerFailure(t *testing.T) {
if !ev[0].Value().Time.Before(time.Now()) {
t.Fatal("unexpected Time")
}
})
t.Run("CloseIdleConnections", func(t *testing.T) {
var called bool
child := &mocks.Dialer{
MockCloseIdleConnections: func() {
called = true
},
}
dialer := &DialerSaver{
Dialer: child,
Saver: &Saver{},
}
dialer.CloseIdleConnections()
if !called {
t.Fatal("not called")
}
})
}
func TestSaverConnDialerFailure(t *testing.T) {
func TestDialerReadWriteObserver(t *testing.T) {
saver := &Saver{}
obs := &dialerReadWriteObserver{
saver: saver,
}
dialer := &mocks.Dialer{}
out := obs.WrapDialer(dialer)
dialSaver := out.(*DialerConnSaver)
if dialSaver.Dialer != dialer {
t.Fatal("invalid dialer")
}
if dialSaver.Saver != saver {
t.Fatal("invalid saver")
}
}
func TestDialerConnSaver(t *testing.T) {
t.Run("DialContext", func(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("mocked error")
saver := &Saver{}
dlr := &SaverConnDialer{
dlr := &DialerConnSaver{
Dialer: &mocks.Dialer{
MockDialContext: func(ctx context.Context, network string, address string) (net.Conn, error) {
return nil, expected
@ -72,28 +125,16 @@ func TestSaverConnDialerFailure(t *testing.T) {
if conn != nil {
t.Fatal("expected nil conn here")
}
}
})
func TestSaverConnDialerSuccess(t *testing.T) {
t.Run("on success", func(t *testing.T) {
origConn := &mocks.Conn{}
saver := &Saver{}
dlr := &SaverConnDialer{
Dialer: &SaverDialer{
dlr := &DialerConnSaver{
Dialer: &DialerSaver{
Dialer: &mocks.Dialer{
MockDialContext: func(ctx context.Context, network string, address string) (net.Conn, error) {
return &mocks.Conn{
MockRead: func(b []byte) (int, error) {
return 0, io.EOF
},
MockWrite: func(b []byte) (int, error) {
return 0, io.EOF
},
MockClose: func() error {
return io.EOF
},
MockLocalAddr: func() net.Addr {
return &net.TCPAddr{Port: 12345}
},
}, nil
return origConn, nil
},
},
Saver: saver,
@ -104,35 +145,135 @@ func TestSaverConnDialerSuccess(t *testing.T) {
if err != nil {
t.Fatal("not the error we expected", err)
}
conn.Read(nil)
conn.Write(nil)
conn.Close()
events := saver.Read()
if len(events) != 3 {
t.Fatal("unexpected number of events saved", len(events))
cw := conn.(*dialerConnWrapper)
if cw.Conn != origConn {
t.Fatal("unexpected conn")
}
if events[0].Name() != "connect" {
t.Fatal("expected a connect event")
})
})
t.Run("CloseIdleConnections", func(t *testing.T) {
var called bool
child := &mocks.Dialer{
MockCloseIdleConnections: func() {
called = true
},
}
saverCheckConnectEvent(t, &events[0])
if events[1].Name() != "read" {
t.Fatal("expected a read event")
dialer := &DialerConnSaver{
Dialer: child,
Saver: &Saver{},
}
saverCheckReadEvent(t, &events[1])
if events[2].Name() != "write" {
t.Fatal("expected a write event")
dialer.CloseIdleConnections()
if !called {
t.Fatal("not called")
}
saverCheckWriteEvent(t, &events[2])
})
}
func saverCheckConnectEvent(t *testing.T, ev *Event) {
// TODO(bassosimone): implement
func TestDialerConnWrapper(t *testing.T) {
t.Run("Read", func(t *testing.T) {
baseConn := &mocks.Conn{
MockRead: func(b []byte) (int, error) {
return 0, io.EOF
},
MockRemoteAddr: func() net.Addr {
return &mocks.Addr{
MockString: func() string {
return "www.google.com:443"
},
MockNetwork: func() string {
return "tcp"
},
}
},
}
saver := &Saver{}
conn := &dialerConnWrapper{
Conn: baseConn,
saver: saver,
}
data := make([]byte, 155)
count, err := conn.Read(data)
if !errors.Is(err, io.EOF) {
t.Fatal("unexpected err", err)
}
if count != 0 {
t.Fatal("unexpected count")
}
ev := saver.Read()
if len(ev) != 1 {
t.Fatal("expected a single event here")
}
if ev[0].Value().Address != "www.google.com:443" {
t.Fatal("unexpected Address")
}
if ev[0].Value().Duration <= 0 {
t.Fatal("unexpected Duration")
}
if !errors.Is(ev[0].Value().Err, io.EOF) {
t.Fatal("unexpected Err")
}
if ev[0].Name() != netxlite.ReadOperation {
t.Fatal("unexpected Name")
}
if ev[0].Value().Proto != "tcp" {
t.Fatal("unexpected Proto")
}
if !ev[0].Value().Time.Before(time.Now()) {
t.Fatal("unexpected Time")
}
})
func saverCheckReadEvent(t *testing.T, ev *Event) {
// TODO(bassosimone): implement
t.Run("Write", func(t *testing.T) {
baseConn := &mocks.Conn{
MockWrite: func(b []byte) (int, error) {
return 0, io.EOF
},
MockRemoteAddr: func() net.Addr {
return &mocks.Addr{
MockString: func() string {
return "www.google.com:443"
},
MockNetwork: func() string {
return "tcp"
},
}
func saverCheckWriteEvent(t *testing.T, ev *Event) {
// TODO(bassosimone): implement
},
}
saver := &Saver{}
conn := &dialerConnWrapper{
Conn: baseConn,
saver: saver,
}
data := make([]byte, 155)
count, err := conn.Write(data)
if !errors.Is(err, io.EOF) {
t.Fatal("unexpected err", err)
}
if count != 0 {
t.Fatal("unexpected count")
}
ev := saver.Read()
if len(ev) != 1 {
t.Fatal("expected a single event here")
}
if ev[0].Value().Address != "www.google.com:443" {
t.Fatal("unexpected Address")
}
if ev[0].Value().Duration <= 0 {
t.Fatal("unexpected Duration")
}
if !errors.Is(ev[0].Value().Err, io.EOF) {
t.Fatal("unexpected Err")
}
if ev[0].Name() != netxlite.WriteOperation {
t.Fatal("unexpected Name")
}
if ev[0].Value().Proto != "tcp" {
t.Fatal("unexpected Proto")
}
if !ev[0].Value().Time.Before(time.Now()) {
t.Fatal("unexpected Time")
}
})
}

4
internal/engine/netx/tracex/event.go
View File

@ -1,5 +1,9 @@
package tracex
//
// All the possible events
//
import (
"crypto/x509"
"net/http"

30
internal/engine/netx/tracex/http.go
View File

@ -27,11 +27,17 @@ func httpCloneRequestHeaders(req *http.Request) http.Header {
return header
}
// SaverTransactionHTTPTransport is a RoundTripper that saves
// HTTPTransportSaver is a RoundTripper that saves
// events related to the HTTP transaction
type SaverTransactionHTTPTransport struct {
model.HTTPTransport
type HTTPTransportSaver struct {
// HTTPTransport is the MANDATORY underlying HTTP transport.
HTTPTransport model.HTTPTransport
// Saver is the MANDATORY saver to use.
Saver *Saver
// SnapshotSize is the OPTIONAL maximum body snapshot size (if not set, we'll
// use 1<<17, which we've been using since the ooni/netx days)
SnapshotSize int64
}
@ -40,7 +46,11 @@ type SaverTransactionHTTPTransport struct {
//
// The maxBodySnapshotSize argument controls the maximum size of the
// body snapshot that we collect along with the HTTP round trip.
func (txp *SaverTransactionHTTPTransport) RoundTrip(req *http.Request) (*http.Response, error) {
func (txp *HTTPTransportSaver) RoundTrip(req *http.Request) (*http.Response, error) {
// TODO(bassosimone): we're currently using the started time for
// the transaction done event, which contrasts with what we do for
// every other event. What does the spec say?
started := time.Now()
txp.Saver.Write(&EventHTTPTransactionStart{&EventValue{
@ -92,7 +102,15 @@ func (txp *SaverTransactionHTTPTransport) RoundTrip(req *http.Request) (*http.Re
return resp, nil
}
func (txp *SaverTransactionHTTPTransport) snapshotSize() int64 {
func (txp *HTTPTransportSaver) CloseIdleConnections() {
txp.HTTPTransport.CloseIdleConnections()
}
func (txp *HTTPTransportSaver) Network() string {
return txp.HTTPTransport.Network()
}
func (txp *HTTPTransportSaver) snapshotSize() int64 {
if txp.SnapshotSize > 0 {
return txp.SnapshotSize
}
@ -104,4 +122,4 @@ type httpReadableAgainBody struct {
io.Closer
}
var _ model.HTTPTransport = &SaverTransactionHTTPTransport{}
var _ model.HTTPTransport = &HTTPTransportSaver{}

45
internal/engine/netx/tracex/http_test.go
View File

@ -16,8 +16,42 @@ import (
"github.com/ooni/probe-cli/v3/internal/netxlite/filtering"
)
func TestSaverTransactionHTTPTransport(t *testing.T) {
func TestHTTPTransportSaver(t *testing.T) {
t.Run("CloseIdleConnections", func(t *testing.T) {
var called bool
child := &mocks.HTTPTransport{
MockCloseIdleConnections: func() {
called = true
},
}
dialer := &HTTPTransportSaver{
HTTPTransport: child,
Saver: &Saver{},
}
dialer.CloseIdleConnections()
if !called {
t.Fatal("not called")
}
})
t.Run("Network", func(t *testing.T) {
expected := "antani"
child := &mocks.HTTPTransport{
MockNetwork: func() string {
return expected
},
}
dialer := &HTTPTransportSaver{
HTTPTransport: child,
Saver: &Saver{},
}
if dialer.Network() != expected {
t.Fatal("unexpected Network")
}
})
t.Run("RoundTrip", func(t *testing.T) {
startServer := func(t *testing.T, action filtering.HTTPAction) (net.Listener, *url.URL) {
server := &filtering.HTTPProxy{
OnIncomingHost: func(host string) filtering.HTTPAction {
@ -38,7 +72,7 @@ func TestSaverTransactionHTTPTransport(t *testing.T) {
measureHTTP := func(t *testing.T, URL *url.URL) (*http.Response, *Saver, error) {
saver := &Saver{}
txp := &SaverTransactionHTTPTransport{
txp := &HTTPTransportSaver{
HTTPTransport: netxlite.NewHTTPTransportStdlib(model.DiscardLogger),
Saver: saver,
}
@ -178,17 +212,17 @@ func TestSaverTransactionHTTPTransport(t *testing.T) {
// Sometimes useful for testing
/*
dumplog := func(t *testing.T, ev Event) {
dump := func(t *testing.T, ev Event) {
data, _ := json.MarshalIndent(ev.Value(), " ", " ")
t.Log(string(data))
t.FailNow()
t.Fail()
}
*/
t.Run("on error reading the response body", func(t *testing.T) {
saver := &Saver{}
expected := errors.New("mocked error")
txp := SaverTransactionHTTPTransport{
txp := HTTPTransportSaver{
HTTPTransport: &mocks.HTTPTransport{
MockRoundTrip: func(req *http.Request) (*http.Response, error) {
return &http.Response{
@ -238,6 +272,7 @@ func TestSaverTransactionHTTPTransport(t *testing.T) {
t.Fatal("invalid error")
}
})
})
}
func TestHTTPCloneRequestHeaders(t *testing.T) {

30
internal/engine/netx/tracex/quic.go
View File

@ -15,8 +15,8 @@ import (
"github.com/ooni/probe-cli/v3/internal/netxlite"
)
// QUICHandshakeSaver saves events occurring during the QUIC handshake.
type QUICHandshakeSaver struct {
// QUICDialerSaver saves events occurring during the QUIC handshake.
type QUICDialerSaver struct {
// QUICDialer is the wrapped dialer
QUICDialer model.QUICDialer
@ -33,14 +33,14 @@ func (s *Saver) WrapQUICDialer(qd model.QUICDialer) model.QUICDialer {
if s == nil {
return qd
}
return &QUICHandshakeSaver{
return &QUICDialerSaver{
QUICDialer: qd,
Saver: s,
}
}
// DialContext implements QUICDialer.DialContext
func (h *QUICHandshakeSaver) DialContext(ctx context.Context, network string,
func (h *QUICDialerSaver) DialContext(ctx context.Context, network string,
host string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
start := time.Now()
// TODO(bassosimone): in the future we probably want to also save
@ -58,9 +58,11 @@ func (h *QUICHandshakeSaver) DialContext(ctx context.Context, network string,
if err != nil {
// TODO(bassosimone): here we should save the peer certs
h.Saver.Write(&EventQUICHandshakeDone{&EventValue{
Address: host,
Duration: stop.Sub(start),
Err: err,
NoTLSVerify: tlsCfg.InsecureSkipVerify,
Proto: network,
TLSNextProtos: tlsCfg.NextProtos,
TLSServerName: tlsCfg.ServerName,
Time: stop,
@ -69,8 +71,10 @@ func (h *QUICHandshakeSaver) DialContext(ctx context.Context, network string,
}
state := quicConnectionState(sess)
h.Saver.Write(&EventQUICHandshakeDone{&EventValue{
Address: host,
Duration: stop.Sub(start),
NoTLSVerify: tlsCfg.InsecureSkipVerify,
Proto: network,
TLSCipherSuite: netxlite.TLSCipherSuiteString(state.CipherSuite),
TLSNegotiatedProto: state.NegotiatedProtocol,
TLSNextProtos: tlsCfg.NextProtos,
@ -82,7 +86,7 @@ func (h *QUICHandshakeSaver) DialContext(ctx context.Context, network string,
return sess, nil
}
func (h *QUICHandshakeSaver) CloseIdleConnections() {
func (h *QUICDialerSaver) CloseIdleConnections() {
h.QUICDialer.CloseIdleConnections()
}
@ -121,15 +125,15 @@ func (qls *QUICListenerSaver) Listen(addr *net.UDPAddr) (model.UDPLikeConn, erro
if err != nil {
return nil, err
}
pconn = &udpLikeConnSaver{
pconn = &quicPacketConnWrapper{
UDPLikeConn: pconn,
saver: qls.Saver,
}
return pconn, nil
}
// udpLikeConnSaver saves I/O events
type udpLikeConnSaver struct {
// quicPacketConnWrapper saves I/O events
type quicPacketConnWrapper struct {
// UDPLikeConn is the wrapped underlying conn
model.UDPLikeConn
@ -137,7 +141,7 @@ type udpLikeConnSaver struct {
saver *Saver
}
func (c *udpLikeConnSaver) WriteTo(p []byte, addr net.Addr) (int, error) {
func (c *quicPacketConnWrapper) WriteTo(p []byte, addr net.Addr) (int, error) {
start := time.Now()
count, err := c.UDPLikeConn.WriteTo(p, addr)
stop := time.Now()
@ -152,7 +156,7 @@ func (c *udpLikeConnSaver) WriteTo(p []byte, addr net.Addr) (int, error) {
return count, err
}
func (c *udpLikeConnSaver) ReadFrom(b []byte) (int, net.Addr, error) {
func (c *quicPacketConnWrapper) ReadFrom(b []byte) (int, net.Addr, error) {
start := time.Now()
n, addr, err := c.UDPLikeConn.ReadFrom(b)
stop := time.Now()
@ -171,13 +175,13 @@ func (c *udpLikeConnSaver) ReadFrom(b []byte) (int, net.Addr, error) {
return n, addr, err
}
func (c *udpLikeConnSaver) safeAddrString(addr net.Addr) (out string) {
func (c *quicPacketConnWrapper) safeAddrString(addr net.Addr) (out string) {
if addr != nil {
out = addr.String()
}
return
}
var _ model.QUICDialer = &QUICHandshakeSaver{}
var _ model.QUICDialer = &QUICDialerSaver{}
var _ model.QUICListener = &QUICListenerSaver{}
var _ model.UDPLikeConn = &udpLikeConnSaver{}
var _ model.UDPLikeConn = &quicPacketConnWrapper{}

506
internal/engine/netx/tracex/quic_test.go
View File

@ -3,122 +3,180 @@ package tracex
import (
"context"
"crypto/tls"
"crypto/x509"
"errors"
"net"
"reflect"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/lucas-clemente/quic-go"
"github.com/ooni/probe-cli/v3/internal/model"
"github.com/ooni/probe-cli/v3/internal/model/mocks"
"github.com/ooni/probe-cli/v3/internal/netxlite"
"github.com/ooni/probe-cli/v3/internal/netxlite/quictesting"
)
type MockDialer struct {
Dialer model.QUICDialer
Sess quic.EarlyConnection
Err error
func TestQUICDialerSaver(t *testing.T) {
t.Run("DialContext", func(t *testing.T) {
checkStartEventFields := func(t *testing.T, value *EventValue) {
if value.Address != "8.8.8.8:443" {
t.Fatal("invalid Address")
}
if !value.NoTLSVerify {
t.Fatal("expected NoTLSVerify to be true")
}
if value.Proto != "udp" {
t.Fatal("wrong protocol")
}
if diff := cmp.Diff(value.TLSNextProtos, []string{"h3"}); diff != "" {
t.Fatal(diff)
}
if value.TLSServerName != "dns.google" {
t.Fatal("invalid TLSServerName")
}
if value.Time.IsZero() {
t.Fatal("expected non zero time")
}
}
func (d MockDialer) DialContext(ctx context.Context, network, host string,
tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
if d.Dialer != nil {
return d.Dialer.DialContext(ctx, network, host, tlsCfg, cfg)
checkStartedEvent := func(t *testing.T, ev Event) {
if _, good := ev.(*EventQUICHandshakeStart); !good {
t.Fatal("invalid event type")
}
return d.Sess, d.Err
value := ev.Value()
checkStartEventFields(t, value)
}
func TestHandshakeSaverSuccess(t *testing.T) {
nextprotos := []string{"h3"}
servername := quictesting.Domain
tlsConf := &tls.Config{
NextProtos: nextprotos,
ServerName: servername,
checkDoneEventFieldsSuccess := func(t *testing.T, value *EventValue) {
if value.Duration <= 0 {
t.Fatal("expected non-zero duration")
}
if value.Err != nil {
t.Fatal("expected no error here")
}
if value.TLSCipherSuite != "TLS_RSA_WITH_RC4_128_SHA" {
t.Fatal("invalid cipher suite")
}
if value.TLSNegotiatedProto != "h3" {
t.Fatal("invalid negotiated protocol")
}
if diff := cmp.Diff(value.TLSPeerCerts, []*x509.Certificate{}); diff != "" {
t.Fatal(diff)
}
if value.TLSVersion != "TLSv1.3" {
t.Fatal("invalid TLS version")
}
}
checkDoneEvent := func(t *testing.T, ev Event, fun func(t *testing.T, value *EventValue)) {
if _, good := ev.(*EventQUICHandshakeDone); !good {
t.Fatal("invalid event type")
}
value := ev.Value()
checkStartEventFields(t, value)
fun(t, value)
}
t.Run("on success", func(t *testing.T) {
saver := &Saver{}
dlr := saver.WrapQUICDialer(&netxlite.QUICDialerQUICGo{
QUICListener: &netxlite.QUICListenerStdlib{},
returnedConn := &mocks.QUICEarlyConnection{
MockConnectionState: func() quic.ConnectionState {
cs := quic.ConnectionState{}
cs.TLS.ConnectionState.CipherSuite = tls.TLS_RSA_WITH_RC4_128_SHA
cs.TLS.NegotiatedProtocol = "h3"
cs.TLS.PeerCertificates = []*x509.Certificate{}
cs.TLS.Version = tls.VersionTLS13
return cs
},
}
dialer := saver.WrapQUICDialer(&mocks.QUICDialer{
MockDialContext: func(ctx context.Context, network, address string,
tlsConfig *tls.Config, quicConfig *quic.Config) (quic.EarlyConnection, error) {
return returnedConn, nil
},
})
sess, err := dlr.DialContext(context.Background(), "udp",
quictesting.Endpoint("443"), tlsConf, &quic.Config{})
ctx := context.Background()
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
NextProtos: []string{"h3"},
ServerName: "dns.google",
}
quicConfig := &quic.Config{}
conn, err := dialer.DialContext(ctx, "udp", "8.8.8.8:443", tlsConfig, quicConfig)
if err != nil {
t.Fatal("unexpected error", err)
t.Fatal(err)
}
if sess == nil {
t.Fatal("unexpected nil sess")
if conn == nil {
t.Fatal("expected non-nil conn")
}
ev := saver.Read()
if len(ev) != 2 {
t.Fatal("unexpected number of events")
events := saver.Read()
if len(events) != 2 {
t.Fatal("expected two events")
}
if ev[0].Name() != "quic_handshake_start" {
t.Fatal("unexpected Name")
}
if ev[0].Value().TLSServerName != quictesting.Domain {
t.Fatal("unexpected TLSServerName")
}
if !reflect.DeepEqual(ev[0].Value().TLSNextProtos, nextprotos) {
t.Fatal("unexpected TLSNextProtos")
}
if ev[0].Value().Time.After(time.Now()) {
t.Fatal("unexpected Time")
}
if ev[1].Value().Duration <= 0 {
t.Fatal("unexpected Duration")
}
if ev[1].Value().Err != nil {
t.Fatal("unexpected Err", ev[1].Value().Err)
}
if ev[1].Name() != "quic_handshake_done" {
t.Fatal("unexpected Name")
}
if !reflect.DeepEqual(ev[1].Value().TLSNextProtos, nextprotos) {
t.Fatal("unexpected TLSNextProtos")
}
if ev[1].Value().TLSServerName != quictesting.Domain {
t.Fatal("unexpected TLSServerName")
}
if ev[1].Value().Time.Before(ev[0].Value().Time) {
t.Fatal("unexpected Time")
}
}
func TestHandshakeSaverHostNameError(t *testing.T) {
nextprotos := []string{"h3"}
servername := "example.com"
tlsConf := &tls.Config{
NextProtos: nextprotos,
ServerName: servername,
}
saver := &Saver{}
dlr := saver.WrapQUICDialer(&netxlite.QUICDialerQUICGo{
QUICListener: &netxlite.QUICListenerStdlib{},
checkStartedEvent(t, events[0])
checkDoneEvent(t, events[1], checkDoneEventFieldsSuccess)
})
sess, err := dlr.DialContext(context.Background(), "udp",
quictesting.Endpoint("443"), tlsConf, &quic.Config{})
if err == nil {
t.Fatal("expected an error here")
}
if sess != nil {
t.Fatal("expected nil sess here")
}
for _, ev := range saver.Read() {
if ev.Name() != "quic_handshake_done" {
continue
}
if ev.Value().NoTLSVerify == true {
t.Fatal("expected NoTLSVerify to be false")
}
if !strings.HasSuffix(ev.Value().Err.Error(), "tls: handshake failure") {
t.Fatal("unexpected error", ev.Value().Err)
checkDoneEventFieldsFailure := func(t *testing.T, value *EventValue) {
if value.Duration <= 0 {
t.Fatal("expected non-zero duration")
}
if value.Err == nil {
t.Fatal("expected non-nil error here")
}
}
func TestQUICListenerSaverCannotListen(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("mocked error")
saver := &Saver{}
dialer := saver.WrapQUICDialer(&mocks.QUICDialer{
MockDialContext: func(ctx context.Context, network, address string,
tlsConfig *tls.Config, quicConfig *quic.Config) (quic.EarlyConnection, error) {
return nil, expected
},
})
ctx := context.Background()
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
NextProtos: []string{"h3"},
ServerName: "dns.google",
}
quicConfig := &quic.Config{}
conn, err := dialer.DialContext(ctx, "udp", "8.8.8.8:443", tlsConfig, quicConfig)
if !errors.Is(err, expected) {
t.Fatal("unexpected err", err)
}
if conn != nil {
t.Fatal("expected nil conn")
}
events := saver.Read()
if len(events) != 2 {
t.Fatal("expected two events")
}
checkStartedEvent(t, events[0])
checkDoneEvent(t, events[1], checkDoneEventFieldsFailure)
})
})
t.Run("CloseIdleConnections", func(t *testing.T) {
var called bool
child := &mocks.QUICDialer{
MockCloseIdleConnections: func() {
called = true
},
}
dialer := &QUICDialerSaver{
QUICDialer: child,
Saver: &Saver{},
}
dialer.CloseIdleConnections()
if !called {
t.Fatal("not called")
}
})
}
func TestQUICListenerSaver(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("mocked error")
saver := &Saver{}
qls := saver.WrapQUICListener(&mocks.QUICListener{
@ -137,48 +195,254 @@ func TestQUICListenerSaverCannotListen(t *testing.T) {
if pconn != nil {
t.Fatal("expected nil pconn here")
}
}
})
func TestSystemDialerSuccessWithReadWrite(t *testing.T) {
// This is the most common use case for collecting reads, writes
tlsConf := &tls.Config{
NextProtos: []string{"h3"},
ServerName: quictesting.Domain,
}
t.Run("on success", func(t *testing.T) {
saver := &Saver{}
systemdialer := &netxlite.QUICDialerQUICGo{
QUICListener: saver.WrapQUICListener(&netxlite.QUICListenerStdlib{}),
}
_, err := systemdialer.DialContext(context.Background(), "udp",
quictesting.Endpoint("443"), tlsConf, &quic.Config{})
returnedConn := &mocks.UDPLikeConn{}
qls := saver.WrapQUICListener(&mocks.QUICListener{
MockListen: func(addr *net.UDPAddr) (model.UDPLikeConn, error) {
return returnedConn, nil
},
})
pconn, err := qls.Listen(&net.UDPAddr{
IP: []byte{},
Port: 8080,
Zone: "",
})
if err != nil {
t.Fatal(err)
}
ev := saver.Read()
if len(ev) < 2 {
t.Fatal("unexpected number of events")
wconn := pconn.(*quicPacketConnWrapper)
if wconn.UDPLikeConn != returnedConn {
t.Fatal("invalid underlying connection")
}
last := len(ev) - 1
for idx := 1; idx < last; idx++ {
if ev[idx].Value().Data == nil {
t.Fatal("unexpected Data")
if wconn.saver != saver {
t.Fatal("invalid saver")
}
if ev[idx].Value().Duration <= 0 {
t.Fatal("unexpected Duration")
})
}
if ev[idx].Value().Err != nil {
t.Fatal("unexpected Err")
func TestQUICPacketConnWrapper(t *testing.T) {
t.Run("ReadFrom", func(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("mocked error")
saver := &Saver{}
conn := &quicPacketConnWrapper{
UDPLikeConn: &mocks.UDPLikeConn{
MockReadFrom: func(p []byte) (int, net.Addr, error) {
return 0, nil, expected
},
},
saver: saver,
}
if ev[idx].Value().NumBytes <= 0 {
t.Fatal("unexpected NumBytes")
buf := make([]byte, 1<<17)
count, addr, err := conn.ReadFrom(buf)
if !errors.Is(err, expected) {
t.Fatal("unexpected err", err)
}
switch ev[idx].Name() {
case netxlite.ReadFromOperation, netxlite.WriteToOperation:
default:
t.Fatal("unexpected Name")
if count != 0 {
t.Fatal("invalid count")
}
if ev[idx].Value().Time.Before(ev[idx-1].Value().Time) {
t.Fatal("unexpected Time", ev[idx].Value().Time, ev[idx-1].Value().Time)
if addr != nil {
t.Fatal("invalid addr")
}
events := saver.Read()
if len(events) != 1 {
t.Fatal("invalid number of events")
}
ev0 := events[0]
if _, good := ev0.(*EventReadFromOperation); !good {
t.Fatal("invalid event type")
}
value := ev0.Value()
if value.Address != "" {
t.Fatal("invalid Address")
}
if len(value.Data) != 0 {
t.Fatal("invalid Data")
}
if value.Duration <= 0 {
t.Fatal("expected nonzero duration")
}
if !errors.Is(value.Err, expected) {
t.Fatal("unexpected value.Err", value.Err)
}
if value.NumBytes != 0 {
t.Fatal("expected NumBytes")
}
if value.Time.IsZero() {
t.Fatal("expected nonzero Time")
}
})
t.Run("on success", func(t *testing.T) {
expected := []byte{1, 2, 3, 4}
saver := &Saver{}
expectedAddr := &mocks.Addr{
MockString: func() string {
return "8.8.8.8:443"
},
MockNetwork: func() string {
return "udp"
},
}
conn := &quicPacketConnWrapper{
UDPLikeConn: &mocks.UDPLikeConn{
MockReadFrom: func(p []byte) (int, net.Addr, error) {
copy(p, expected)
return len(expected), expectedAddr, nil
},
},
saver: saver,
}
buf := make([]byte, 1<<17)
count, addr, err := conn.ReadFrom(buf)
if err != nil {
t.Fatal(err)
}
if count != 4 {
t.Fatal("invalid count")
}
if addr != expectedAddr {
t.Fatal("invalid addr")
}
events := saver.Read()
if len(events) != 1 {
t.Fatal("invalid number of events")
}
ev0 := events[0]
if _, good := ev0.(*EventReadFromOperation); !good {
t.Fatal("invalid event type")
}
value := ev0.Value()
if value.Address != "8.8.8.8:443" {
t.Fatal("invalid Address")
}
if len(value.Data) != 4 {
t.Fatal("invalid Data")
}
if value.Duration <= 0 {
t.Fatal("expected nonzero duration")
}
if value.Err != nil {
t.Fatal("unexpected value.Err", value.Err)
}
if value.NumBytes != 4 {
t.Fatal("expected NumBytes")
}
if value.Time.IsZero() {
t.Fatal("expected nonzero Time")
}
})
})
t.Run("WriteTo", func(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("mocked error")
saver := &Saver{}
conn := &quicPacketConnWrapper{
UDPLikeConn: &mocks.UDPLikeConn{
MockWriteTo: func(p []byte, addr net.Addr) (int, error) {
return 0, expected
},
},
saver: saver,
}
destAddr := &mocks.Addr{
MockString: func() string {
return "8.8.8.8:443"
},
}
buf := make([]byte, 7)
count, err := conn.WriteTo(buf, destAddr)
if !errors.Is(err, expected) {
t.Fatal("unexpected err", err)
}
if count != 0 {
t.Fatal("invalid count")
}
events := saver.Read()
if len(events) != 1 {
t.Fatal("invalid number of events")
}
ev0 := events[0]
if _, good := ev0.(*EventWriteToOperation); !good {
t.Fatal("invalid event type")
}
value := ev0.Value()
if value.Address != "8.8.8.8:443" {
t.Fatal("invalid Address")
}
if len(value.Data) != 0 {
t.Fatal("invalid Data")
}
if value.Duration <= 0 {
t.Fatal("expected nonzero duration")
}
if !errors.Is(value.Err, expected) {
t.Fatal("unexpected value.Err", value.Err)
}
if value.NumBytes != 0 {
t.Fatal("expected NumBytes")
}
if value.Time.IsZero() {
t.Fatal("expected nonzero Time")
}
})
t.Run("on success", func(t *testing.T) {
saver := &Saver{}
conn := &quicPacketConnWrapper{
UDPLikeConn: &mocks.UDPLikeConn{
MockWriteTo: func(p []byte, addr net.Addr) (int, error) {
return 1, nil
},
},
saver: saver,
}
destAddr := &mocks.Addr{
MockString: func() string {
return "8.8.8.8:443"
},
}
buf := make([]byte, 7)
count, err := conn.WriteTo(buf, destAddr)
if err != nil {
t.Fatal(err)
}
if count != 1 {
t.Fatal("invalid count")
}
events := saver.Read()
if len(events) != 1 {
t.Fatal("invalid number of events")
}
ev0 := events[0]
if _, good := ev0.(*EventWriteToOperation); !good {
t.Fatal("invalid event type")
}
value := ev0.Value()
if value.Address != "8.8.8.8:443" {
t.Fatal("invalid Address")
}
if len(value.Data) != 1 {
t.Fatal("invalid Data")
}
if value.Duration <= 0 {
t.Fatal("expected nonzero duration")
}
if value.Err != nil {
t.Fatal("unexpected value.Err", value.Err)
}
if value.NumBytes != 1 {
t.Fatal("expected NumBytes")
}
if value.Time.IsZero() {
t.Fatal("expected nonzero Time")
}
})
})
}

38
internal/engine/netx/tracex/resolver.go
View File

@ -12,8 +12,8 @@ import (
"github.com/ooni/probe-cli/v3/internal/model"
)
// SaverResolver is a resolver that saves events.
type SaverResolver struct {
// ResolverSaver is a resolver that saves events.
type ResolverSaver struct {
// Resolver is the underlying resolver.
Resolver model.Resolver
@ -30,14 +30,14 @@ func (s *Saver) WrapResolver(r model.Resolver) model.Resolver {
if s == nil {
return r
}
return &SaverResolver{
return &ResolverSaver{
Resolver: r,
Saver: s,
}
}
// LookupHost implements Resolver.LookupHost
func (r *SaverResolver) LookupHost(ctx context.Context, hostname string) ([]string, error) {
func (r *ResolverSaver) LookupHost(ctx context.Context, hostname string) ([]string, error) {
start := time.Now()
r.Saver.Write(&EventResolveStart{&EventValue{
Address: r.Resolver.Address(),
@ -59,30 +59,30 @@ func (r *SaverResolver) LookupHost(ctx context.Context, hostname string) ([]stri
return addrs, err
}
func (r *SaverResolver) Network() string {
func (r *ResolverSaver) Network() string {
return r.Resolver.Network()
}
func (r *SaverResolver) Address() string {
func (r *ResolverSaver) Address() string {
return r.Resolver.Address()
}
func (r *SaverResolver) CloseIdleConnections() {
func (r *ResolverSaver) CloseIdleConnections() {
r.Resolver.CloseIdleConnections()
}
func (r *SaverResolver) LookupHTTPS(ctx context.Context, domain string) (*model.HTTPSSvc, error) {
func (r *ResolverSaver) LookupHTTPS(ctx context.Context, domain string) (*model.HTTPSSvc, error) {
// TODO(bassosimone): we should probably implement this method
return r.Resolver.LookupHTTPS(ctx, domain)
}
func (r *SaverResolver) LookupNS(ctx context.Context, domain string) ([]*net.NS, error) {
func (r *ResolverSaver) LookupNS(ctx context.Context, domain string) ([]*net.NS, error) {
// TODO(bassosimone): we should probably implement this method
return r.Resolver.LookupNS(ctx, domain)
}
// SaverDNSTransport is a DNS transport that saves events.
type SaverDNSTransport struct {
// DNSTransportSaver is a DNS transport that saves events.
type DNSTransportSaver struct {
// DNSTransport is the underlying DNS transport.
DNSTransport model.DNSTransport
@ -99,14 +99,14 @@ func (s *Saver) WrapDNSTransport(txp model.DNSTransport) model.DNSTransport {
if s == nil {
return txp
}
return &SaverDNSTransport{
return &DNSTransportSaver{
DNSTransport: txp,
Saver: s,
}
}
// RoundTrip implements RoundTripper.RoundTrip
func (txp *SaverDNSTransport) RoundTrip(
func (txp *DNSTransportSaver) RoundTrip(
ctx context.Context, query model.DNSQuery) (model.DNSResponse, error) {
start := time.Now()
txp.Saver.Write(&EventDNSRoundTripStart{&EventValue{
@ -129,19 +129,19 @@ func (txp *SaverDNSTransport) RoundTrip(
return response, err
}
func (txp *SaverDNSTransport) Network() string {
func (txp *DNSTransportSaver) Network() string {
return txp.DNSTransport.Network()
}
func (txp *SaverDNSTransport) Address() string {
func (txp *DNSTransportSaver) Address() string {
return txp.DNSTransport.Address()
}
func (txp *SaverDNSTransport) CloseIdleConnections() {
func (txp *DNSTransportSaver) CloseIdleConnections() {
txp.DNSTransport.CloseIdleConnections()
}
func (txp *SaverDNSTransport) RequiresPadding() bool {
func (txp *DNSTransportSaver) RequiresPadding() bool {
return txp.DNSTransport.RequiresPadding()
}
@ -157,5 +157,5 @@ func dnsMaybeResponseBytes(response model.DNSResponse) []byte {
return response.Bytes()
}
var _ model.Resolver = &SaverResolver{}
var _ model.DNSTransport = &SaverDNSTransport{}
var _ model.Resolver = &ResolverSaver{}
var _ model.DNSTransport = &DNSTransportSaver{}

24
internal/engine/netx/tracex/resolver_test.go
View File

@ -14,10 +14,11 @@ import (
"github.com/ooni/probe-cli/v3/internal/runtimex"
)
func TestSaverResolverFailure(t *testing.T) {
func TestResolverSaver(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("no such host")
saver := &Saver{}
reso := saver.WrapResolver(NewFakeResolverWithExplicitError(expected))
reso := saver.WrapResolver(newFakeResolverWithExplicitError(expected))
addrs, err := reso.LookupHost(context.Background(), "www.google.com")
if !errors.Is(err, expected) {
t.Fatal("not the error we expected")
@ -56,12 +57,12 @@ func TestSaverResolverFailure(t *testing.T) {
if !ev[1].Value().Time.After(ev[0].Value().Time) {
t.Fatal("the saved time is wrong")
}
}
})
func TestSaverResolverSuccess(t *testing.T) {
t.Run("on success", func(t *testing.T) {
expected := []string{"8.8.8.8", "8.8.4.4"}
saver := &Saver{}
reso := saver.WrapResolver(NewFakeResolverWithResult(expected))
reso := saver.WrapResolver(newFakeResolverWithResult(expected))
addrs, err := reso.LookupHost(context.Background(), "www.google.com")
if err != nil {
t.Fatal("expected nil error here")
@ -100,9 +101,11 @@ func TestSaverResolverSuccess(t *testing.T) {
if !ev[1].Value().Time.After(ev[0].Value().Time) {
t.Fatal("the saved time is wrong")
}
})
}
func TestSaverDNSTransportFailure(t *testing.T) {
func TestDNSTransportSaver(t *testing.T) {
t.Run("on failure", func(t *testing.T) {
expected := errors.New("no such host")
saver := &Saver{}
txp := saver.WrapDNSTransport(&mocks.DNSTransport{
@ -160,9 +163,9 @@ func TestSaverDNSTransportFailure(t *testing.T) {
if !ev[1].Value().Time.After(ev[0].Value().Time) {
t.Fatal("the saved time is wrong")
}
}
})
func TestSaverDNSTransportSuccess(t *testing.T) {
t.Run("on success", func(t *testing.T) {
expected := []byte{0xef, 0xbe, 0xad, 0xde}
saver := &Saver{}
response := &mocks.DNSResponse{
@ -225,9 +228,10 @@ func TestSaverDNSTransportSuccess(t *testing.T) {
if !ev[1].Value().Time.After(ev[0].Value().Time) {
t.Fatal("the saved time is wrong")
}
})
}
func NewFakeResolverWithExplicitError(err error) model.Resolver {
func newFakeResolverWithExplicitError(err error) model.Resolver {
runtimex.PanicIfNil(err, "passed nil error")
return &mocks.Resolver{
MockLookupHost: func(ctx context.Context, domain string) ([]string, error) {
@ -251,7 +255,7 @@ func NewFakeResolverWithExplicitError(err error) model.Resolver {
}
}
func NewFakeResolverWithResult(r []string) model.Resolver {
func newFakeResolverWithResult(r []string) model.Resolver {
return &mocks.Resolver{
MockLookupHost: func(ctx context.Context, domain string) ([]string, error) {
return r, nil

66
internal/engine/netx/tracex/saver_test.go
View File

@ -3,9 +3,12 @@ package tracex
import (
"sync"
"testing"
"github.com/ooni/probe-cli/v3/internal/model/mocks"
)
func TestSaver(t *testing.T) {
t.Run("concurrent writes followed by read", func(t *testing.T) {
saver := Saver{}
var wg sync.WaitGroup
const parallel = 10
@ -21,4 +24,67 @@ func TestSaver(t *testing.T) {
if len(ev) != parallel {
t.Fatal("unexpected number of events read")
}
})
t.Run("NewConnectObserver", func(t *testing.T) {
t.Run("nil Saver", func(t *testing.T) {
var saver *Saver
obs := saver.NewConnectObserver()
if obs != nil {
t.Fatal("expected nil observer")
}
})
t.Run("nonnnil Saver", func(t *testing.T) {
saver := &Saver{}
obs := saver.NewConnectObserver()
underlying := obs.(*dialerConnectObserver)
if underlying.saver != saver {
t.Fatal("invalid saver")
}
})
})
t.Run("NewReadWriteObserver", func(t *testing.T) {
t.Run("nil Saver", func(t *testing.T) {
var saver *Saver
obs := saver.NewReadWriteObserver()
if obs != nil {
t.Fatal("expected nil observer")
}
})
t.Run("nonnnil Saver", func(t *testing.T) {
saver := &Saver{}
obs := saver.NewReadWriteObserver()
underlying := obs.(*dialerReadWriteObserver)
if underlying.saver != saver {
t.Fatal("invalid saver")
}
})
})
t.Run("WrapQUICDialer", func(t *testing.T) {
t.Run("nil Saver", func(t *testing.T) {
var saver *Saver
base := &mocks.QUICDialer{}
qd := saver.WrapQUICDialer(base)
if qd != base {
t.Fatal("unexpected returned QUICDialer")
}
})
t.Run("nonnnil Saver", func(t *testing.T) {
saver := &Saver{}
base := &mocks.QUICDialer{}
qd := saver.WrapQUICDialer(base)
underlying := qd.(*QUICDialerSaver)
if underlying.Saver != saver {
t.Fatal("invalid Saver")
}
if underlying.QUICDialer != base {
t.Fatal("invalid QUICDialer")
}
})
})
}

16
internal/engine/netx/tracex/tls.go
View File

@ -16,8 +16,8 @@ import (
"github.com/ooni/probe-cli/v3/internal/netxlite"
)
// SaverTLSHandshaker saves events occurring during the TLS handshake.
type SaverTLSHandshaker struct {
// TLSHandshakerSaver saves events occurring during the TLS handshake.
type TLSHandshakerSaver struct {
// TLSHandshaker is the underlying TLS handshaker.
TLSHandshaker model.TLSHandshaker
@ -34,23 +34,26 @@ func (s *Saver) WrapTLSHandshaker(thx model.TLSHandshaker) model.TLSHandshaker {
if s == nil {
return thx
}
return &SaverTLSHandshaker{
return &TLSHandshakerSaver{
TLSHandshaker: thx,
Saver: s,
}
}
// Handshake implements model.TLSHandshaker.Handshake
func (h *SaverTLSHandshaker) Handshake(
func (h *TLSHandshakerSaver) Handshake(
ctx context.Context, conn net.Conn, config *tls.Config) (net.Conn, tls.ConnectionState, error) {
proto := conn.RemoteAddr().Network()
remoteAddr := conn.RemoteAddr().String()
start := time.Now()
h.Saver.Write(&EventTLSHandshakeStart{&EventValue{
Address: remoteAddr,
NoTLSVerify: config.InsecureSkipVerify,
Proto: proto,
TLSNextProtos: config.NextProtos,
TLSServerName: config.ServerName,
Time: start,
}})
remoteAddr := conn.RemoteAddr().String()
tlsconn, state, err := h.TLSHandshaker.Handshake(ctx, conn, config)
stop := time.Now()
h.Saver.Write(&EventTLSHandshakeDone{&EventValue{
@ -58,6 +61,7 @@ func (h *SaverTLSHandshaker) Handshake(
Duration: stop.Sub(start),
Err: err,
NoTLSVerify: config.InsecureSkipVerify,
Proto: proto,
TLSCipherSuite: netxlite.TLSCipherSuiteString(state.CipherSuite),
TLSNegotiatedProto: state.NegotiatedProtocol,
TLSNextProtos: config.NextProtos,
@ -69,7 +73,7 @@ func (h *SaverTLSHandshaker) Handshake(
return tlsconn, state, err
}
var _ model.TLSHandshaker = &SaverTLSHandshaker{}
var _ model.TLSHandshaker = &TLSHandshakerSaver{}
// tlsPeerCerts returns the certificates presented by the peer regardless
// of whether the TLS handshake was successful

453
internal/engine/netx/tracex/tls_test.go
View File

@ -3,291 +3,250 @@ package tracex
import (
"context"
"crypto/tls"
"reflect"
"crypto/x509"
"errors"
"net"
"testing"
"time"
"github.com/ooni/probe-cli/v3/internal/model"
"github.com/ooni/probe-cli/v3/internal/netxlite"
"github.com/google/go-cmp/cmp"
"github.com/ooni/probe-cli/v3/internal/model/mocks"
)
func TestSaverTLSHandshakerSuccessWithReadWrite(t *testing.T) {
// This is the most common use case for collecting reads, writes
if testing.Short() {
t.Skip("skip test in short mode")
func TestTLSHandshakerSaver(t *testing.T) {
t.Run("Handshake", func(t *testing.T) {
checkStartEventFields := func(t *testing.T, value *EventValue) {
if value.Address != "8.8.8.8:443" {
t.Fatal("invalid Address")
}
nextprotos := []string{"h2"}
saver := &Saver{}
tlsdlr := &netxlite.TLSDialerLegacy{
Config: &tls.Config{NextProtos: nextprotos},
Dialer: netxlite.NewDialerWithResolver(
model.DiscardLogger,
netxlite.NewResolverStdlib(model.DiscardLogger),
saver.NewReadWriteObserver(),
),
TLSHandshaker: saver.WrapTLSHandshaker(&netxlite.TLSHandshakerConfigurable{}),
if !value.NoTLSVerify {
t.Fatal("expected NoTLSVerify to be true")
}
// Implementation note: we don't close the connection here because it is
// very handy to have the last event being the end of the handshake
_, err := tlsdlr.DialTLSContext(context.Background(), "tcp", "www.google.com:443")
if err != nil {
t.Fatal(err)
if value.Proto != "tcp" {
t.Fatal("wrong protocol")
}
ev := saver.Read()
if len(ev) < 4 {
// it's a bit tricky to be sure about the right number of
// events because network conditions may influence that
t.Fatal("unexpected number of events")
if diff := cmp.Diff(value.TLSNextProtos, []string{"h2"}); diff != "" {
t.Fatal(diff)
}
if ev[0].Name() != "tls_handshake_start" {
t.Fatal("unexpected Name")
if value.TLSServerName != "dns.google" {
t.Fatal("invalid TLSServerName")
}
if ev[0].Value().TLSServerName != "www.google.com" {
t.Fatal("unexpected TLSServerName")
}
if !reflect.DeepEqual(ev[0].Value().TLSNextProtos, nextprotos) {
t.Fatal("unexpected TLSNextProtos")
}
if ev[0].Value().Time.After(time.Now()) {
t.Fatal("unexpected Time")
}
last := len(ev) - 1
for idx := 1; idx < last; idx++ {
if ev[idx].Value().Data == nil {
t.Fatal("unexpected Data")
}
if ev[idx].Value().Duration <= 0 {
t.Fatal("unexpected Duration")
}
if ev[idx].Value().Err != nil {
t.Fatal("unexpected Err")
}
if ev[idx].Value().NumBytes <= 0 {
t.Fatal("unexpected NumBytes")
}
switch ev[idx].Name() {
case netxlite.ReadOperation, netxlite.WriteOperation:
default:
t.Fatal("unexpected Name")
}
if ev[idx].Value().Time.Before(ev[idx-1].Value().Time) {
t.Fatal("unexpected Time")
}
}
if ev[last].Value().Duration <= 0 {
t.Fatal("unexpected Duration")
}
if ev[last].Value().Err != nil {
t.Fatal("unexpected Err")
}
if ev[last].Name() != "tls_handshake_done" {
t.Fatal("unexpected Name")
}
if ev[last].Value().TLSCipherSuite == "" {
t.Fatal("unexpected TLSCipherSuite")
}
if ev[last].Value().TLSNegotiatedProto != "h2" {
t.Fatal("unexpected TLSNegotiatedProto")
}
if !reflect.DeepEqual(ev[last].Value().TLSNextProtos, nextprotos) {
t.Fatal("unexpected TLSNextProtos")
}
if ev[last].Value().TLSPeerCerts == nil {
t.Fatal("unexpected TLSPeerCerts")
}
if ev[last].Value().TLSServerName != "www.google.com" {
t.Fatal("unexpected TLSServerName")
}
if ev[last].Value().TLSVersion == "" {
t.Fatal("unexpected TLSVersion")
}
if ev[last].Value().Time.Before(ev[last-1].Value().Time) {
t.Fatal("unexpected Time")
if value.Time.IsZero() {
t.Fatal("expected non zero time")
}
}
func TestSaverTLSHandshakerSuccess(t *testing.T) {
if testing.Short() {
t.Skip("skip test in short mode")
checkStartedEvent := func(t *testing.T, ev Event) {
if _, good := ev.(*EventTLSHandshakeStart); !good {
t.Fatal("invalid event type")
}
nextprotos := []string{"h2"}
saver := &Saver{}
tlsdlr := &netxlite.TLSDialerLegacy{
Config: &tls.Config{NextProtos: nextprotos},
Dialer: &netxlite.DialerSystem{},
TLSHandshaker: saver.WrapTLSHandshaker(&netxlite.TLSHandshakerConfigurable{}),
value := ev.Value()
checkStartEventFields(t, value)
}
conn, err := tlsdlr.DialTLSContext(context.Background(), "tcp", "www.google.com:443")
if err != nil {
t.Fatal(err)
checkDoneEventFieldsSuccess := func(t *testing.T, value *EventValue) {
if value.Duration <= 0 {
t.Fatal("expected non-zero duration")
}
conn.Close()
ev := saver.Read()
if len(ev) != 2 {
t.Fatal("unexpected number of events")
if value.Err != nil {
t.Fatal("expected no error here")
}
if ev[0].Name() != "tls_handshake_start" {
t.Fatal("unexpected Name")
if value.TLSCipherSuite != "TLS_RSA_WITH_RC4_128_SHA" {
t.Fatal("invalid cipher suite")
}
if ev[0].Value().TLSServerName != "www.google.com" {
t.Fatal("unexpected TLSServerName")
if value.TLSNegotiatedProto != "h2" {
t.Fatal("invalid negotiated protocol")
}
if !reflect.DeepEqual(ev[0].Value().TLSNextProtos, nextprotos) {
t.Fatal("unexpected TLSNextProtos")
if diff := cmp.Diff(value.TLSPeerCerts, []*x509.Certificate{}); diff != "" {
t.Fatal(diff)
}
if ev[0].Value().Time.After(time.Now()) {
t.Fatal("unexpected Time")
}
if ev[1].Value().Duration <= 0 {
t.Fatal("unexpected Duration")
}
if ev[1].Value().Err != nil {
t.Fatal("unexpected Err")
}
if ev[1].Name() != "tls_handshake_done" {
t.Fatal("unexpected Name")
}
if ev[1].Value().TLSCipherSuite == "" {
t.Fatal("unexpected TLSCipherSuite")
}
if ev[1].Value().TLSNegotiatedProto != "h2" {
t.Fatal("unexpected TLSNegotiatedProto")
}
if !reflect.DeepEqual(ev[1].Value().TLSNextProtos, nextprotos) {
t.Fatal("unexpected TLSNextProtos")
}
if ev[1].Value().TLSPeerCerts == nil {
t.Fatal("unexpected TLSPeerCerts")
}
if ev[1].Value().TLSServerName != "www.google.com" {
t.Fatal("unexpected TLSServerName")
}
if ev[1].Value().TLSVersion == "" {
t.Fatal("unexpected TLSVersion")
}
if ev[1].Value().Time.Before(ev[0].Value().Time) {
t.Fatal("unexpected Time")
if value.TLSVersion != "TLSv1.3" {
t.Fatal("invalid TLS version")
}
}
func TestSaverTLSHandshakerHostnameError(t *testing.T) {
if testing.Short() {
t.Skip("skip test in short mode")
}
saver := &Saver{}
tlsdlr := &netxlite.TLSDialerLegacy{
Dialer: &netxlite.DialerSystem{},
TLSHandshaker: saver.WrapTLSHandshaker(&netxlite.TLSHandshakerConfigurable{}),
}
conn, err := tlsdlr.DialTLSContext(
context.Background(), "tcp", "wrong.host.badssl.com:443")
if err == nil {
t.Fatal("expected an error here")
}
if conn != nil {
t.Fatal("expected nil conn here")
}
for _, ev := range saver.Read() {
if ev.Name() != "tls_handshake_done" {
continue
}
if ev.Value().NoTLSVerify == true {
t.Fatal("expected NoTLSVerify to be false")
}
if len(ev.Value().TLSPeerCerts) < 1 {
t.Fatal("expected at least a certificate here")
}
checkDoneEvent := func(t *testing.T, ev Event, fun func(t *testing.T, value *EventValue)) {
if _, good := ev.(*EventTLSHandshakeDone); !good {
t.Fatal("invalid event type")
}
value := ev.Value()
checkStartEventFields(t, value)
fun(t, value)
}
func TestSaverTLSHandshakerInvalidCertError(t *testing.T) {
if testing.Short() {
t.Skip("skip test in short mode")
}
t.Run("on success", func(t *testing.T) {
saver := &Saver{}
tlsdlr := &netxlite.TLSDialerLegacy{
Dialer: &netxlite.DialerSystem{},
TLSHandshaker: saver.WrapTLSHandshaker(&netxlite.TLSHandshakerConfigurable{}),
returnedConnState := tls.ConnectionState{
CipherSuite: tls.TLS_RSA_WITH_RC4_128_SHA,
NegotiatedProtocol: "h2",
PeerCertificates: []*x509.Certificate{},
Version: tls.VersionTLS13,
}
conn, err := tlsdlr.DialTLSContext(
context.Background(), "tcp", "expired.badssl.com:443")
if err == nil {
t.Fatal("expected an error here")
returnedConn := &mocks.TLSConn{
MockConnectionState: func() tls.ConnectionState {
return returnedConnState
},
}
if conn != nil {
t.Fatal("expected nil conn here")
thx := saver.WrapTLSHandshaker(&mocks.TLSHandshaker{
MockHandshake: func(ctx context.Context, conn net.Conn,
config *tls.Config) (net.Conn, tls.ConnectionState, error) {
return returnedConn, returnedConnState, nil
},
})
ctx := context.Background()
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
NextProtos: []string{"h2"},
ServerName: "dns.google",
}
for _, ev := range saver.Read() {
if ev.Name() != "tls_handshake_done" {
continue
tcpConn := &mocks.Conn{
MockRemoteAddr: func() net.Addr {
return &mocks.Addr{
MockString: func() string {
return "8.8.8.8:443"
},
MockNetwork: func() string {
return "tcp"
},
}
if ev.Value().NoTLSVerify == true {
t.Fatal("expected NoTLSVerify to be false")
},
}
if len(ev.Value().TLSPeerCerts) < 1 {
t.Fatal("expected at least a certificate here")
}
}
}
func TestSaverTLSHandshakerAuthorityError(t *testing.T) {
if testing.Short() {
t.Skip("skip test in short mode")
}
saver := &Saver{}
tlsdlr := &netxlite.TLSDialerLegacy{
Dialer: &netxlite.DialerSystem{},
TLSHandshaker: saver.WrapTLSHandshaker(&netxlite.TLSHandshakerConfigurable{}),
}
conn, err := tlsdlr.DialTLSContext(
context.Background(), "tcp", "self-signed.badssl.com:443")
if err == nil {
t.Fatal("expected an error here")
}
if conn != nil {
t.Fatal("expected nil conn here")
}
for _, ev := range saver.Read() {
if ev.Name() != "tls_handshake_done" {
continue
}
if ev.Value().NoTLSVerify == true {
t.Fatal("expected NoTLSVerify to be false")
}
if len(ev.Value().TLSPeerCerts) < 1 {
t.Fatal("expected at least a certificate here")
}
}
}
func TestSaverTLSHandshakerNoTLSVerify(t *testing.T) {
if testing.Short() {
t.Skip("skip test in short mode")
}
saver := &Saver{}
tlsdlr := &netxlite.TLSDialerLegacy{
Config: &tls.Config{InsecureSkipVerify: true},
Dialer: &netxlite.DialerSystem{},
TLSHandshaker: saver.WrapTLSHandshaker(&netxlite.TLSHandshakerConfigurable{}),
}
conn, err := tlsdlr.DialTLSContext(
context.Background(), "tcp", "self-signed.badssl.com:443")
conn, _, err := thx.Handshake(ctx, tcpConn, tlsConfig)
if err != nil {
t.Fatal(err)
}
if conn == nil {
t.Fatal("expected non-nil conn here")
t.Fatal("expected non-nil conn")
}
conn.Close()
for _, ev := range saver.Read() {
if ev.Name() != "tls_handshake_done" {
continue
events := saver.Read()
if len(events) != 2 {
t.Fatal("expected two events")
}
if ev.Value().NoTLSVerify != true {
t.Fatal("expected NoTLSVerify to be true")
checkStartedEvent(t, events[0])
checkDoneEvent(t, events[1], checkDoneEventFieldsSuccess)
})
checkDoneEventFieldsFailure := func(t *testing.T, value *EventValue) {
if value.Duration <= 0 {
t.Fatal("expected non-zero duration")
}
if len(ev.Value().TLSPeerCerts) < 1 {
t.Fatal("expected at least a certificate here")
if value.Err == nil {
t.Fatal("expected non-nil error here")
}
if value.TLSCipherSuite != "" {
t.Fatal("invalid TLS cipher suite")
}
if value.TLSNegotiatedProto != "" {
t.Fatal("invalid negotiated proto")
}
if len(value.TLSPeerCerts) > 0 {
t.Fatal("expected no peer certs")
}
if value.TLSVersion != "" {
t.Fatal("invalid TLS version")
}
}
t.Run("on failure", func(t *testing.T) {
expected := errors.New("mocked error")
saver := &Saver{}
thx := saver.WrapTLSHandshaker(&mocks.TLSHandshaker{
MockHandshake: func(ctx context.Context, conn net.Conn,
config *tls.Config) (net.Conn, tls.ConnectionState, error) {
return nil, tls.ConnectionState{}, expected
},
})
ctx := context.Background()
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
NextProtos: []string{"h2"},
ServerName: "dns.google",
}
tcpConn := &mocks.Conn{
MockRemoteAddr: func() net.Addr {
return &mocks.Addr{
MockString: func() string {
return "8.8.8.8:443"
},
MockNetwork: func() string {
return "tcp"
},
}
},
}
conn, _, err := thx.Handshake(ctx, tcpConn, tlsConfig)
if !errors.Is(err, expected) {
t.Fatal("unexpected err", err)
}
if conn != nil {
t.Fatal("expected nil conn")
}
events := saver.Read()
if len(events) != 2 {
t.Fatal("expected two events")
}
checkStartedEvent(t, events[0])
checkDoneEvent(t, events[1], checkDoneEventFieldsFailure)
})
})
}
func Test_tlsPeerCerts(t *testing.T) {
cert0 := &x509.Certificate{Raw: []byte{1, 2, 3, 4}}
type args struct {
state tls.ConnectionState
err error
}
tests := []struct {
name string
args args
want []*x509.Certificate
}{{
name: "no error",
args: args{
state: tls.ConnectionState{
PeerCertificates: []*x509.Certificate{cert0},
},
},
want: []*x509.Certificate{cert0},
}, {
name: "all empty",
args: args{},
want: nil,
}, {
name: "x509.HostnameError",
args: args{
state: tls.ConnectionState{},
err: x509.HostnameError{
Certificate: cert0,
},
},
want: []*x509.Certificate{cert0},
}, {
name: "x509.UnknownAuthorityError",
args: args{
state: tls.ConnectionState{},
err: x509.UnknownAuthorityError{
Cert: cert0,
},
},
want: []*x509.Certificate{cert0},
}, {
name: "x509.CertificateInvalidError",
args: args{
state: tls.ConnectionState{},
err: x509.CertificateInvalidError{
Cert: cert0,
},
},
want: []*x509.Certificate{cert0},
}}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := tlsPeerCerts(tt.args.state, tt.args.err)
if diff := cmp.Diff(tt.want, got); diff != "" {
t.Fatal(diff)
}
})
}
}