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path: root/libgo/go/net/dnsclient_unix_test.go
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Diffstat (limited to 'libgo/go/net/dnsclient_unix_test.go')
-rw-r--r--libgo/go/net/dnsclient_unix_test.go259
1 files changed, 212 insertions, 47 deletions
diff --git a/libgo/go/net/dnsclient_unix_test.go b/libgo/go/net/dnsclient_unix_test.go
index 3c9ada365c4..ce1a4f35862 100644
--- a/libgo/go/net/dnsclient_unix_test.go
+++ b/libgo/go/net/dnsclient_unix_test.go
@@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+//go:build aix || darwin || dragonfly || freebsd || hurd || linux || netbsd || openbsd || solaris
// +build aix darwin dragonfly freebsd hurd linux netbsd openbsd solaris
package net
@@ -600,14 +601,14 @@ func TestGoLookupIPOrderFallbackToFile(t *testing.T) {
name := fmt.Sprintf("order %v", order)
// First ensure that we get an error when contacting a non-existent host.
- _, _, err := r.goLookupIPCNAMEOrder(context.Background(), "notarealhost", order)
+ _, _, err := r.goLookupIPCNAMEOrder(context.Background(), "ip", "notarealhost", order)
if err == nil {
t.Errorf("%s: expected error while looking up name not in hosts file", name)
continue
}
// Now check that we get an address when the name appears in the hosts file.
- addrs, _, err := r.goLookupIPCNAMEOrder(context.Background(), "thor", order) // entry is in "testdata/hosts"
+ addrs, _, err := r.goLookupIPCNAMEOrder(context.Background(), "ip", "thor", order) // entry is in "testdata/hosts"
if err != nil {
t.Errorf("%s: expected to successfully lookup host entry", name)
continue
@@ -1845,6 +1846,17 @@ func TestCVE202133195(t *testing.T) {
Target: dnsmessage.MustNewName("<html>.golang.org."),
},
},
+ dnsmessage.Resource{
+ Header: dnsmessage.ResourceHeader{
+ Name: n,
+ Type: dnsmessage.TypeSRV,
+ Class: dnsmessage.ClassINET,
+ Length: 4,
+ },
+ Body: &dnsmessage.SRVResource{
+ Target: dnsmessage.MustNewName("good.golang.org."),
+ },
+ },
)
case dnsmessage.TypeMX:
r.Answers = append(r.Answers,
@@ -1859,6 +1871,17 @@ func TestCVE202133195(t *testing.T) {
MX: dnsmessage.MustNewName("<html>.golang.org."),
},
},
+ dnsmessage.Resource{
+ Header: dnsmessage.ResourceHeader{
+ Name: dnsmessage.MustNewName("good.golang.org."),
+ Type: dnsmessage.TypeMX,
+ Class: dnsmessage.ClassINET,
+ Length: 4,
+ },
+ Body: &dnsmessage.MXResource{
+ MX: dnsmessage.MustNewName("good.golang.org."),
+ },
+ },
)
case dnsmessage.TypeNS:
r.Answers = append(r.Answers,
@@ -1873,6 +1896,17 @@ func TestCVE202133195(t *testing.T) {
NS: dnsmessage.MustNewName("<html>.golang.org."),
},
},
+ dnsmessage.Resource{
+ Header: dnsmessage.ResourceHeader{
+ Name: dnsmessage.MustNewName("good.golang.org."),
+ Type: dnsmessage.TypeNS,
+ Class: dnsmessage.ClassINET,
+ Length: 4,
+ },
+ Body: &dnsmessage.NSResource{
+ NS: dnsmessage.MustNewName("good.golang.org."),
+ },
+ },
)
case dnsmessage.TypePTR:
r.Answers = append(r.Answers,
@@ -1887,6 +1921,17 @@ func TestCVE202133195(t *testing.T) {
PTR: dnsmessage.MustNewName("<html>.golang.org."),
},
},
+ dnsmessage.Resource{
+ Header: dnsmessage.ResourceHeader{
+ Name: dnsmessage.MustNewName("good.golang.org."),
+ Type: dnsmessage.TypePTR,
+ Class: dnsmessage.ClassINET,
+ Length: 4,
+ },
+ Body: &dnsmessage.PTRResource{
+ PTR: dnsmessage.MustNewName("good.golang.org."),
+ },
+ },
)
}
return r, nil
@@ -1902,57 +1947,177 @@ func TestCVE202133195(t *testing.T) {
defer func(orig string) { testHookHostsPath = orig }(testHookHostsPath)
testHookHostsPath = "testdata/hosts"
- _, err := r.LookupCNAME(context.Background(), "golang.org")
- if expected := "lookup golang.org: CNAME target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("Resolver.LookupCNAME returned unexpected error, got %q, want %q", err, expected)
- }
- _, err = LookupCNAME("golang.org")
- if expected := "lookup golang.org: CNAME target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("LookupCNAME returned unexpected error, got %q, want %q", err, expected)
- }
-
- _, _, err = r.LookupSRV(context.Background(), "target", "tcp", "golang.org")
- if expected := "lookup golang.org: SRV target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("Resolver.LookupSRV returned unexpected error, got %q, want %q", err, expected)
- }
- _, _, err = LookupSRV("target", "tcp", "golang.org")
- if expected := "lookup golang.org: SRV target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("LookupSRV returned unexpected error, got %q, want %q", err, expected)
+ tests := []struct {
+ name string
+ f func(*testing.T)
+ }{
+ {
+ name: "CNAME",
+ f: func(t *testing.T) {
+ expectedErr := &DNSError{Err: errMalformedDNSRecordsDetail, Name: "golang.org"}
+ _, err := r.LookupCNAME(context.Background(), "golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ _, err = LookupCNAME("golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ },
+ },
+ {
+ name: "SRV (bad record)",
+ f: func(t *testing.T) {
+ expected := []*SRV{
+ {
+ Target: "good.golang.org.",
+ },
+ }
+ expectedErr := &DNSError{Err: errMalformedDNSRecordsDetail, Name: "golang.org"}
+ _, records, err := r.LookupSRV(context.Background(), "target", "tcp", "golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ _, records, err = LookupSRV("target", "tcp", "golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ },
+ },
+ {
+ name: "SRV (bad header)",
+ f: func(t *testing.T) {
+ _, _, err := r.LookupSRV(context.Background(), "hdr", "tcp", "golang.org.")
+ if expected := "lookup golang.org.: SRV header name is invalid"; err == nil || err.Error() != expected {
+ t.Errorf("Resolver.LookupSRV returned unexpected error, got %q, want %q", err, expected)
+ }
+ _, _, err = LookupSRV("hdr", "tcp", "golang.org.")
+ if expected := "lookup golang.org.: SRV header name is invalid"; err == nil || err.Error() != expected {
+ t.Errorf("LookupSRV returned unexpected error, got %q, want %q", err, expected)
+ }
+ },
+ },
+ {
+ name: "MX",
+ f: func(t *testing.T) {
+ expected := []*MX{
+ {
+ Host: "good.golang.org.",
+ },
+ }
+ expectedErr := &DNSError{Err: errMalformedDNSRecordsDetail, Name: "golang.org"}
+ records, err := r.LookupMX(context.Background(), "golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ records, err = LookupMX("golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ },
+ },
+ {
+ name: "NS",
+ f: func(t *testing.T) {
+ expected := []*NS{
+ {
+ Host: "good.golang.org.",
+ },
+ }
+ expectedErr := &DNSError{Err: errMalformedDNSRecordsDetail, Name: "golang.org"}
+ records, err := r.LookupNS(context.Background(), "golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ records, err = LookupNS("golang.org")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ },
+ },
+ {
+ name: "Addr",
+ f: func(t *testing.T) {
+ expected := []string{"good.golang.org."}
+ expectedErr := &DNSError{Err: errMalformedDNSRecordsDetail, Name: "192.0.2.42"}
+ records, err := r.LookupAddr(context.Background(), "192.0.2.42")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ records, err = LookupAddr("192.0.2.42")
+ if err.Error() != expectedErr.Error() {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ if !reflect.DeepEqual(records, expected) {
+ t.Error("Unexpected record set")
+ }
+ },
+ },
}
- _, _, err = r.LookupSRV(context.Background(), "hdr", "tcp", "golang.org")
- if expected := "lookup golang.org: SRV header name is invalid"; err == nil || err.Error() != expected {
- t.Errorf("Resolver.LookupSRV returned unexpected error, got %q, want %q", err, expected)
- }
- _, _, err = LookupSRV("hdr", "tcp", "golang.org")
- if expected := "lookup golang.org: SRV header name is invalid"; err == nil || err.Error() != expected {
- t.Errorf("LookupSRV returned unexpected error, got %q, want %q", err, expected)
+ for _, tc := range tests {
+ t.Run(tc.name, tc.f)
}
- _, err = r.LookupMX(context.Background(), "golang.org")
- if expected := "lookup golang.org: MX target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("Resolver.LookupMX returned unexpected error, got %q, want %q", err, expected)
- }
- _, err = LookupMX("golang.org")
- if expected := "lookup golang.org: MX target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("LookupMX returned unexpected error, got %q, want %q", err, expected)
- }
+}
- _, err = r.LookupNS(context.Background(), "golang.org")
- if expected := "lookup golang.org: NS target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("Resolver.LookupNS returned unexpected error, got %q, want %q", err, expected)
- }
- _, err = LookupNS("golang.org")
- if expected := "lookup golang.org: NS target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("LookupNS returned unexpected error, got %q, want %q", err, expected)
+func TestNullMX(t *testing.T) {
+ fake := fakeDNSServer{
+ rh: func(n, _ string, q dnsmessage.Message, _ time.Time) (dnsmessage.Message, error) {
+ r := dnsmessage.Message{
+ Header: dnsmessage.Header{
+ ID: q.Header.ID,
+ Response: true,
+ RCode: dnsmessage.RCodeSuccess,
+ },
+ Questions: q.Questions,
+ Answers: []dnsmessage.Resource{
+ {
+ Header: dnsmessage.ResourceHeader{
+ Name: q.Questions[0].Name,
+ Type: dnsmessage.TypeMX,
+ Class: dnsmessage.ClassINET,
+ },
+ Body: &dnsmessage.MXResource{
+ MX: dnsmessage.MustNewName("."),
+ },
+ },
+ },
+ }
+ return r, nil
+ },
}
-
- _, err = r.LookupAddr(context.Background(), "192.0.2.42")
- if expected := "lookup 192.0.2.42: PTR target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("Resolver.LookupAddr returned unexpected error, got %q, want %q", err, expected)
+ r := Resolver{PreferGo: true, Dial: fake.DialContext}
+ rrset, err := r.LookupMX(context.Background(), "golang.org")
+ if err != nil {
+ t.Fatalf("LookupMX: %v", err)
}
- _, err = LookupAddr("192.0.2.42")
- if expected := "lookup 192.0.2.42: PTR target is invalid"; err == nil || err.Error() != expected {
- t.Errorf("LookupAddr returned unexpected error, got %q, want %q", err, expected)
+ if want := []*MX{&MX{Host: "."}}; !reflect.DeepEqual(rrset, want) {
+ records := []string{}
+ for _, rr := range rrset {
+ records = append(records, fmt.Sprintf("%v", rr))
+ }
+ t.Errorf("records = [%v]; want [%v]", strings.Join(records, " "), want[0])
}
}
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