go-multiaddr/multiaddr_test.go

423 lines
10 KiB
Go

package multiaddr
import (
"bytes"
"encoding/hex"
"math/rand"
"strings"
"testing"
"time"
)
func newMultiaddr(t *testing.T, a string) Multiaddr {
m, err := NewMultiaddr(a)
if err != nil {
t.Error(err)
}
return m
}
func TestConstructFails(t *testing.T) {
cases := []string{
"/ip4",
"/ip4/::1",
"/ip4/fdpsofodsajfdoisa",
"/ip6",
"/udp",
"/tcp",
"/sctp",
"/udp/65536",
"/tcp/65536",
"/quic/65536",
"/onion/9imaq4ygg2iegci7:80",
"/onion/aaimaq4ygg2iegci7:80",
"/onion/timaq4ygg2iegci7:0",
"/onion/timaq4ygg2iegci7:-1",
"/onion/timaq4ygg2iegci7",
"/onion/timaq4ygg2iegci@:666",
"/udp/1234/sctp",
"/udp/1234/udt/1234",
"/udp/1234/utp/1234",
"/ip4/127.0.0.1/udp/jfodsajfidosajfoidsa",
"/ip4/127.0.0.1/udp",
"/ip4/127.0.0.1/tcp/jfodsajfidosajfoidsa",
"/ip4/127.0.0.1/tcp",
"/ip4/127.0.0.1/quic/1234",
"/ip4/127.0.0.1/ipfs",
"/ip4/127.0.0.1/ipfs/tcp",
"/unix",
"/ip4/1.2.3.4/tcp/80/unix",
}
for _, a := range cases {
if _, err := NewMultiaddr(a); err == nil {
t.Errorf("should have failed: %s - %s", a, err)
}
}
}
func TestConstructSucceeds(t *testing.T) {
cases := []string{
"/ip4/1.2.3.4",
"/ip4/0.0.0.0",
"/ip6/::1",
"/ip6/2601:9:4f81:9700:803e:ca65:66e8:c21",
"/ip6/2601:9:4f81:9700:803e:ca65:66e8:c21/udp/1234/quic",
"/onion/timaq4ygg2iegci7:1234",
"/onion/timaq4ygg2iegci7:80/http",
"/udp/0",
"/tcp/0",
"/sctp/0",
"/udp/1234",
"/tcp/1234",
"/sctp/1234",
"/udp/65535",
"/tcp/65535",
"/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC",
"/udp/1234/sctp/1234",
"/udp/1234/udt",
"/udp/1234/utp",
"/tcp/1234/http",
"/tcp/1234/https",
"/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC/tcp/1234",
"/ip4/127.0.0.1/udp/1234",
"/ip4/127.0.0.1/udp/0",
"/ip4/127.0.0.1/tcp/1234",
"/ip4/127.0.0.1/tcp/1234/",
"/ip4/127.0.0.1/udp/1234/quic",
"/ip4/127.0.0.1/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC",
"/ip4/127.0.0.1/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC/tcp/1234",
"/unix/a/b/c/d/e",
"/unix/stdio",
"/ip4/1.2.3.4/tcp/80/unix/a/b/c/d/e/f",
"/ip4/127.0.0.1/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC/tcp/1234/unix/stdio",
}
for _, a := range cases {
if _, err := NewMultiaddr(a); err != nil {
t.Errorf("should have succeeded: %s -- %s", a, err)
}
}
}
func TestEqual(t *testing.T) {
m1 := newMultiaddr(t, "/ip4/127.0.0.1/udp/1234")
m2 := newMultiaddr(t, "/ip4/127.0.0.1/tcp/1234")
m3 := newMultiaddr(t, "/ip4/127.0.0.1/tcp/1234")
m4 := newMultiaddr(t, "/ip4/127.0.0.1/tcp/1234/")
if m1.Equal(m2) {
t.Error("should not be equal")
}
if m2.Equal(m1) {
t.Error("should not be equal")
}
if !m2.Equal(m3) {
t.Error("should be equal")
}
if !m3.Equal(m2) {
t.Error("should be equal")
}
if !m1.Equal(m1) {
t.Error("should be equal")
}
if !m2.Equal(m4) {
t.Error("should be equal")
}
if !m4.Equal(m3) {
t.Error("should be equal")
}
}
func TestStringToBytes(t *testing.T) {
testString := func(s string, h string) {
b1, err := hex.DecodeString(h)
if err != nil {
t.Error("failed to decode hex", h)
}
b2, err := stringToBytes(s)
if err != nil {
t.Error("failed to convert", s)
}
if !bytes.Equal(b1, b2) {
t.Error("failed to convert", s, "to", b1, "got", b2)
}
if err := validateBytes(b2); err != nil {
t.Error(err)
}
}
testString("/ip4/127.0.0.1/udp/1234", "047f0000011104d2")
testString("/ip4/127.0.0.1/tcp/4321", "047f0000010610e1")
testString("/ip4/127.0.0.1/udp/1234/ip4/127.0.0.1/tcp/4321", "047f0000011104d2047f0000010610e1")
}
func TestBytesToString(t *testing.T) {
testString := func(s1 string, h string) {
b, err := hex.DecodeString(h)
if err != nil {
t.Error("failed to decode hex", h)
}
if err := validateBytes(b); err != nil {
t.Error(err)
}
s2, err := bytesToString(b)
if err != nil {
t.Error("failed to convert", b, err)
}
if s1 != s2 {
t.Error("failed to convert", b, "to", s1, "got", s2)
}
}
testString("/ip4/127.0.0.1/udp/1234", "047f0000011104d2")
testString("/ip4/127.0.0.1/tcp/4321", "047f0000010610e1")
testString("/ip4/127.0.0.1/udp/1234/ip4/127.0.0.1/tcp/4321", "047f0000011104d2047f0000010610e1")
testString("/onion/aaimaq4ygg2iegci:80", "bc030010c0439831b48218480050")
}
func TestBytesSplitAndJoin(t *testing.T) {
testString := func(s string, res []string) {
m, err := NewMultiaddr(s)
if err != nil {
t.Fatal("failed to convert", s, err)
}
split := Split(m)
if len(split) != len(res) {
t.Error("not enough split components", split)
return
}
for i, a := range split {
if a.String() != res[i] {
t.Errorf("split component failed: %s != %s", a, res[i])
}
}
joined := Join(split...)
if !m.Equal(joined) {
t.Errorf("joined components failed: %s != %s", m, joined)
}
// modifying underlying bytes is fine.
m2 := m.(*multiaddr)
for i := range m2.bytes {
m2.bytes[i] = 0
}
for i, a := range split {
if a.String() != res[i] {
t.Errorf("split component failed: %s != %s", a, res[i])
}
}
}
testString("/ip4/1.2.3.4/udp/1234", []string{"/ip4/1.2.3.4", "/udp/1234"})
testString("/ip4/1.2.3.4/tcp/1/ip4/2.3.4.5/udp/2",
[]string{"/ip4/1.2.3.4", "/tcp/1", "/ip4/2.3.4.5", "/udp/2"})
testString("/ip4/1.2.3.4/utp/ip4/2.3.4.5/udp/2/udt",
[]string{"/ip4/1.2.3.4", "/utp", "/ip4/2.3.4.5", "/udp/2", "/udt"})
}
func TestProtocols(t *testing.T) {
m, err := NewMultiaddr("/ip4/127.0.0.1/udp/1234")
if err != nil {
t.Error("failed to construct", "/ip4/127.0.0.1/udp/1234")
}
ps := m.Protocols()
if ps[0].Code != ProtocolWithName("ip4").Code {
t.Error(ps[0], ProtocolWithName("ip4"))
t.Error("failed to get ip4 protocol")
}
if ps[1].Code != ProtocolWithName("udp").Code {
t.Error(ps[1], ProtocolWithName("udp"))
t.Error("failed to get udp protocol")
}
}
func TestProtocolsWithString(t *testing.T) {
pwn := ProtocolWithName
good := map[string][]Protocol{
"/ip4": []Protocol{pwn("ip4")},
"/ip4/tcp": []Protocol{pwn("ip4"), pwn("tcp")},
"ip4/tcp/udp/ip6": []Protocol{pwn("ip4"), pwn("tcp"), pwn("udp"), pwn("ip6")},
"////////ip4/tcp": []Protocol{pwn("ip4"), pwn("tcp")},
"ip4/udp/////////": []Protocol{pwn("ip4"), pwn("udp")},
"////////ip4/tcp////////": []Protocol{pwn("ip4"), pwn("tcp")},
}
for s, ps1 := range good {
ps2, err := ProtocolsWithString(s)
if err != nil {
t.Errorf("ProtocolsWithString(%s) should have succeeded", s)
}
for i, ps1p := range ps1 {
ps2p := ps2[i]
if ps1p.Code != ps2p.Code {
t.Errorf("mismatch: %s != %s, %s", ps1p.Name, ps2p.Name, s)
}
}
}
bad := []string{
"dsijafd", // bogus proto
"/ip4/tcp/fidosafoidsa", // bogus proto
"////////ip4/tcp/21432141/////////", // bogus proto
"////////ip4///////tcp/////////", // empty protos in between
}
for _, s := range bad {
if _, err := ProtocolsWithString(s); err == nil {
t.Errorf("ProtocolsWithString(%s) should have failed", s)
}
}
}
func TestEncapsulate(t *testing.T) {
m, err := NewMultiaddr("/ip4/127.0.0.1/udp/1234")
if err != nil {
t.Error(err)
}
m2, err := NewMultiaddr("/udp/5678")
if err != nil {
t.Error(err)
}
b := m.Encapsulate(m2)
if s := b.String(); s != "/ip4/127.0.0.1/udp/1234/udp/5678" {
t.Error("encapsulate /ip4/127.0.0.1/udp/1234/udp/5678 failed.", s)
}
m3, _ := NewMultiaddr("/udp/5678")
c := b.Decapsulate(m3)
if s := c.String(); s != "/ip4/127.0.0.1/udp/1234" {
t.Error("decapsulate /udp failed.", "/ip4/127.0.0.1/udp/1234", s)
}
m4, _ := NewMultiaddr("/ip4/127.0.0.1")
d := c.Decapsulate(m4)
if s := d.String(); s != "" {
t.Error("decapsulate /ip4 failed.", "/", s)
}
}
func assertValueForProto(t *testing.T, a Multiaddr, p int, exp string) {
t.Logf("checking for %s in %s", ProtocolWithCode(p).Name, a)
fv, err := a.ValueForProtocol(p)
if err != nil {
t.Fatal(err)
}
if fv != exp {
t.Fatalf("expected %q for %d in %s, but got %q instead", exp, p, a, fv)
}
}
func TestGetValue(t *testing.T) {
a := newMultiaddr(t, "/ip4/127.0.0.1/utp/tcp/5555/udp/1234/utp/ipfs/QmbHVEEepCi7rn7VL7Exxpd2Ci9NNB6ifvqwhsrbRMgQFP")
assertValueForProto(t, a, P_IP4, "127.0.0.1")
assertValueForProto(t, a, P_UTP, "")
assertValueForProto(t, a, P_TCP, "5555")
assertValueForProto(t, a, P_UDP, "1234")
assertValueForProto(t, a, P_IPFS, "QmbHVEEepCi7rn7VL7Exxpd2Ci9NNB6ifvqwhsrbRMgQFP")
_, err := a.ValueForProtocol(P_IP6)
switch err {
case ErrProtocolNotFound:
break
case nil:
t.Fatal("expected value lookup to fail")
default:
t.Fatalf("expected ErrProtocolNotFound but got: %s", err)
}
a = newMultiaddr(t, "/ip4/0.0.0.0") // only one addr
assertValueForProto(t, a, P_IP4, "0.0.0.0")
a = newMultiaddr(t, "/ip4/0.0.0.0/ip4/0.0.0.0/ip4/0.0.0.0") // same sub-addr
assertValueForProto(t, a, P_IP4, "0.0.0.0")
a = newMultiaddr(t, "/ip4/0.0.0.0/udp/12345/utp") // ending in a no-value one.
assertValueForProto(t, a, P_IP4, "0.0.0.0")
assertValueForProto(t, a, P_UDP, "12345")
assertValueForProto(t, a, P_UTP, "")
a = newMultiaddr(t, "/ip4/0.0.0.0/unix/a/b/c/d") // ending in a path one.
assertValueForProto(t, a, P_IP4, "0.0.0.0")
assertValueForProto(t, a, P_UNIX, "a/b/c/d")
}
func TestFuzzBytes(t *testing.T) {
rand.Seed(time.Now().UnixNano())
// Bump up these numbers if you want to stress this
buf := make([]byte, 256)
for i := 0; i < 2000; i++ {
l := rand.Intn(len(buf))
rand.Read(buf[:l])
// just checking that it doesnt panic
ma, err := NewMultiaddrBytes(buf[:l])
if err == nil {
// for any valid multiaddrs, make sure these calls don't panic
_ = ma.String()
ma.Protocols()
}
}
}
func randMaddrString() string {
good_corpus := []string{"tcp", "ip", "udp", "ipfs", "0.0.0.0", "127.0.0.1", "12345", "QmbHVEEepCi7rn7VL7Exxpd2Ci9NNB6ifvqwhsrbRMgQFP"}
size := rand.Intn(256)
parts := make([]string, 0, size)
for i := 0; i < size; i++ {
switch rand.Intn(5) {
case 0, 1, 2:
parts = append(parts, good_corpus[rand.Intn(len(good_corpus))])
default:
badbuf := make([]byte, rand.Intn(256))
rand.Read(badbuf)
parts = append(parts, string(badbuf))
}
}
return "/" + strings.Join(parts, "/")
}
func TestFuzzString(t *testing.T) {
rand.Seed(time.Now().UnixNano())
// Bump up these numbers if you want to stress this
for i := 0; i < 2000; i++ {
// just checking that it doesnt panic
ma, err := NewMultiaddr(randMaddrString())
if err == nil {
// for any valid multiaddrs, make sure these calls don't panic
_ = ma.String()
ma.Protocols()
}
}
}