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74 lines
2.7 KiB
Go
74 lines
2.7 KiB
Go
package iprev
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import (
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"context"
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"errors"
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"net"
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"strings"
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"testing"
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"github.com/mjl-/mox/dns"
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)
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func TestIPRev(t *testing.T) {
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resolver := dns.MockResolver{
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PTR: map[string][]string{
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"10.0.0.1": {"basic.example."},
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"10.0.0.4": {"absent.example.", "b.example."},
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"10.0.0.5": {"other.example.", "c.example."},
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"10.0.0.6": {"temperror.example.", "d.example."},
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"10.0.0.7": {"temperror.example.", "temperror2.example."},
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"10.0.0.8": {"other.example."},
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"2001:db8::1": {"basic6.example."},
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},
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A: map[string][]string{
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"basic.example.": {"10.0.0.1"},
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"b.example.": {"10.0.0.4"},
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"c.example.": {"10.0.0.5"},
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"d.example.": {"10.0.0.6"},
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"other.example.": {"10.9.9.9"},
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"temperror.example.": {"10.0.0.99"},
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"temperror2.example.": {"10.0.0.99"},
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},
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AAAA: map[string][]string{
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"basic6.example.": {"2001:db8::1"},
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},
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Fail: []string{
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"ptr 10.0.0.3",
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"ptr 2001:db8::3",
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"ip temperror.example.",
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"ip temperror2.example.",
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},
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Authentic: []string{
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"ptr 10.0.0.1",
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"ptr 10.0.0.5", // Only IP to name authentic, not name to IP.
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"ip basic.example.",
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"ip d.example.", // Only name to IP authentic, not IP to name.
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},
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}
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test := func(ip string, expStatus Status, expName string, expNames string, expAuth bool, expErr error) {
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t.Helper()
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status, name, names, auth, err := Lookup(context.Background(), resolver, net.ParseIP(ip))
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if (err == nil) != (expErr == nil) || err != nil && !errors.Is(err, expErr) {
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t.Fatalf("got err %v, expected err %v", err, expErr)
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} else if err != nil {
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return
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} else if status != expStatus || name != expName || strings.Join(names, ",") != expNames || auth != expAuth {
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t.Fatalf("got status %q, name %q, names %v, auth %v, expected %q %q %v %v", status, name, names, auth, expStatus, expName, expNames, expAuth)
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}
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}
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test("10.0.0.1", StatusPass, "basic.example.", "basic.example.", true, nil)
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test("10.0.0.2", StatusPermerror, "", "", false, ErrNoRecord)
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test("10.0.0.3", StatusTemperror, "", "", false, ErrDNS)
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test("10.0.0.4", StatusPass, "b.example.", "absent.example.,b.example.", false, nil)
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test("10.0.0.5", StatusPass, "c.example.", "other.example.,c.example.", false, nil)
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test("10.0.0.6", StatusPass, "d.example.", "temperror.example.,d.example.", false, nil)
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test("10.0.0.7", StatusTemperror, "", "temperror.example.,temperror2.example.", false, ErrDNS)
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test("10.0.0.8", StatusFail, "", "other.example.", false, nil)
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test("2001:db8::1", StatusPass, "basic6.example.", "basic6.example.", false, nil)
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test("2001:db8::2", StatusPermerror, "", "", false, ErrNoRecord)
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test("2001:db8::3", StatusTemperror, "", "", false, ErrDNS)
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}
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