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package file
import (
"sort"
"strings"
"testing"
"github.com/miekg/coredns/middleware/pkg/dnsrecorder"
"github.com/miekg/coredns/middleware/test"
"github.com/miekg/dns"
"golang.org/x/net/context"
)
var wildcardTestCases = []test.Case{
{
Qname: "wild.dnssex.nl.", Qtype: dns.TypeTXT,
Answer: []dns.RR{
test.TXT(`wild.dnssex.nl. 1800 IN TXT "Doing It Safe Is Better"`),
},
Ns: dnssexAuth[:len(dnssexAuth)-1], // remove RRSIG on the end
},
{
Qname: "a.wild.dnssex.nl.", Qtype: dns.TypeTXT,
Answer: []dns.RR{
test.TXT(`a.wild.dnssex.nl. 1800 IN TXT "Doing It Safe Is Better"`),
},
Ns: dnssexAuth[:len(dnssexAuth)-1], // remove RRSIG on the end
},
{
Qname: "wild.dnssex.nl.", Qtype: dns.TypeTXT, Do: true,
Answer: []dns.RR{
test.RRSIG("wild.dnssex.nl. 1800 IN RRSIG TXT 8 2 1800 20160428190224 20160329190224 14460 dnssex.nl. FUZSTyvZfeuuOpCm"),
test.TXT(`wild.dnssex.nl. 1800 IN TXT "Doing It Safe Is Better"`),
},
Ns: append([]dns.RR{
test.NSEC("a.dnssex.nl. 14400 IN NSEC www.dnssex.nl. A AAAA RRSIG NSEC"),
test.RRSIG("a.dnssex.nl. 14400 IN RRSIG NSEC 8 3 14400 20160428190224 20160329190224 14460 dnssex.nl. S+UMs2ySgRaaRY"),
}, dnssexAuth...),
Extra: []dns.RR{test.OPT(4096, true)},
},
{
Qname: "a.wild.dnssex.nl.", Qtype: dns.TypeTXT, Do: true,
Answer: []dns.RR{
test.RRSIG("a.wild.dnssex.nl. 1800 IN RRSIG TXT 8 2 1800 20160428190224 20160329190224 14460 dnssex.nl. FUZSTyvZfeuuOpCm"),
test.TXT(`a.wild.dnssex.nl. 1800 IN TXT "Doing It Safe Is Better"`),
},
Ns: append([]dns.RR{
test.NSEC("a.dnssex.nl. 14400 IN NSEC www.dnssex.nl. A AAAA RRSIG NSEC"),
test.RRSIG("a.dnssex.nl. 14400 IN RRSIG NSEC 8 3 14400 20160428190224 20160329190224 14460 dnssex.nl. S+UMs2ySgRaaRY"),
}, dnssexAuth...),
Extra: []dns.RR{test.OPT(4096, true)},
},
// nodata responses
{
Qname: "wild.dnssex.nl.", Qtype: dns.TypeSRV,
Ns: []dns.RR{
test.SOA(`dnssex.nl. 1800 IN SOA linode.atoom.net. miek.miek.nl. 1459281744 14400 3600 604800 14400`),
},
},
{
Qname: "wild.dnssex.nl.", Qtype: dns.TypeSRV, Do: true,
Ns: []dns.RR{
// TODO(miek): needs closest encloser proof as well? This is the wrong answer
test.NSEC(`*.dnssex.nl. 14400 IN NSEC a.dnssex.nl. TXT RRSIG NSEC`),
test.RRSIG(`*.dnssex.nl. 14400 IN RRSIG NSEC 8 2 14400 20160428190224 20160329190224 14460 dnssex.nl. os6INm6q2eXknD5z8TaaDOV+Ge/Ko+2dXnKP+J1fqJzafXJVH1F0nDrcXmMlR6jlBHA=`),
test.RRSIG(`dnssex.nl. 1800 IN RRSIG SOA 8 2 1800 20160428190224 20160329190224 14460 dnssex.nl. CA/Y3m9hCOiKC/8ieSOv8SeP964Bq++lyH8BZJcTaabAsERs4xj5PRtcxicwQXZiF8fYUCpROlUS0YR8Cdw=`),
test.SOA(`dnssex.nl. 1800 IN SOA linode.atoom.net. miek.miek.nl. 1459281744 14400 3600 604800 14400`),
},
Extra: []dns.RR{test.OPT(4096, true)},
},
}
var dnssexAuth = []dns.RR{
test.NS("dnssex.nl. 1800 IN NS linode.atoom.net."),
test.NS("dnssex.nl. 1800 IN NS ns-ext.nlnetlabs.nl."),
test.NS("dnssex.nl. 1800 IN NS omval.tednet.nl."),
test.RRSIG("dnssex.nl. 1800 IN RRSIG NS 8 2 1800 20160428190224 20160329190224 14460 dnssex.nl. dLIeEvP86jj5ndkcLzhgvWixTABjWAGRTGQsPsVDFXsGMf9TGGC9FEomgkCVeNC0="),
}
func TestLookupWildcard(t *testing.T) {
zone, err := Parse(strings.NewReader(dbDnssexNLSigned), testzone1, "stdin")
if err != nil {
t.Fatalf("Expect no error when reading zone, got %q", err)
}
fm := File{Next: test.ErrorHandler(), Zones: Zones{Z: map[string]*Zone{testzone1: zone}, Names: []string{testzone1}}}
ctx := context.TODO()
for _, tc := range wildcardTestCases {
m := tc.Msg()
rec := dnsrecorder.New(&test.ResponseWriter{})
_, err := fm.ServeDNS(ctx, rec, m)
if err != nil {
t.Errorf("Expected no error, got %v\n", err)
return
}
resp := rec.Msg
sort.Sort(test.RRSet(resp.Answer))
sort.Sort(test.RRSet(resp.Ns))
sort.Sort(test.RRSet(resp.Extra))
if !test.Header(t, tc, resp) {
t.Logf("%v\n", resp)
continue
}
if !test.Section(t, tc, test.Answer, resp.Answer) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc, test.Ns, resp.Ns) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc, test.Extra, resp.Extra) {
t.Logf("%v\n", resp)
}
}
}
var wildcardDoubleTestCases = []test.Case{
{
Qname: "wild.w.example.org.", Qtype: dns.TypeTXT,
Answer: []dns.RR{
test.TXT(`wild.w.example.org. IN TXT "Wildcard"`),
},
Ns: exampleAuth,
},
{
Qname: "wild.c.example.org.", Qtype: dns.TypeTXT,
Answer: []dns.RR{
test.TXT(`wild.c.example.org. IN TXT "c Wildcard"`),
},
Ns: exampleAuth,
},
{
Qname: "wild.d.example.org.", Qtype: dns.TypeTXT,
Answer: []dns.RR{
test.TXT(`alias.example.org. IN TXT "Wildcard CNAME expansion"`),
test.CNAME(`wild.d.example.org. IN CNAME alias.example.org`),
},
Ns: exampleAuth,
},
{
Qname: "alias.example.org.", Qtype: dns.TypeTXT,
Answer: []dns.RR{
test.TXT(`alias.example.org. IN TXT "Wildcard CNAME expansion"`),
},
Ns: exampleAuth,
},
}
var exampleAuth = []dns.RR{
test.NS("example.org. 3600 IN NS a.iana-servers.net."),
test.NS("example.org. 3600 IN NS b.iana-servers.net."),
}
func TestLookupDoubleWildcard(t *testing.T) {
zone, err := Parse(strings.NewReader(exampleOrg), "example.org.", "stdin")
if err != nil {
t.Fatalf("Expect no error when reading zone, got %q", err)
}
fm := File{Next: test.ErrorHandler(), Zones: Zones{Z: map[string]*Zone{"example.org.": zone}, Names: []string{"example.org."}}}
ctx := context.TODO()
for _, tc := range wildcardDoubleTestCases {
m := tc.Msg()
rec := dnsrecorder.New(&test.ResponseWriter{})
_, err := fm.ServeDNS(ctx, rec, m)
if err != nil {
t.Errorf("Expected no error, got %v\n", err)
return
}
resp := rec.Msg
sort.Sort(test.RRSet(resp.Answer))
sort.Sort(test.RRSet(resp.Ns))
sort.Sort(test.RRSet(resp.Extra))
if !test.Header(t, tc, resp) {
t.Logf("%v\n", resp)
continue
}
if !test.Section(t, tc, test.Answer, resp.Answer) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc, test.Ns, resp.Ns) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc, test.Extra, resp.Extra) {
t.Logf("%v\n", resp)
}
}
}
func TestReplaceWithAsteriskLabel(t *testing.T) {
tests := []struct {
in, out string
}{
{".", ""},
{"miek.nl.", "*.nl."},
{"www.miek.nl.", "*.miek.nl."},
}
for _, tc := range tests {
got := replaceWithAsteriskLabel(tc.in)
if got != tc.out {
t.Errorf("Expected to be %s, got %s", tc.out, got)
}
}
}
const exampleOrg = `; example.org test file
example.org. IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600
example.org. IN NS b.iana-servers.net.
example.org. IN NS a.iana-servers.net.
example.org. IN A 127.0.0.1
example.org. IN A 127.0.0.2
*.w.example.org. IN TXT "Wildcard"
a.b.c.w.example.org. IN TXT "Not a wildcard"
*.c.example.org. IN TXT "c Wildcard"
*.d.example.org. IN CNAME alias.example.org.
alias.example.org. IN TXT "Wildcard CNAME expansion"
`
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