fixes and a wildcard test file as well

middleware/file/wildcard.test.go

+package file
+
+import (
+	"sort"
+	"strings"
+	"testing"
+
+	"github.com/miekg/coredns/middleware"
+	coretest "github.com/miekg/coredns/middleware/testing"
+
+	"github.com/miekg/dns"
+	"golang.org/x/net/context"
+)
+
+var dnssecWildcardTestCases = []coretest.Case{
+	{
+		Qname: "miek.nl.", Qtype: dns.TypeSOA, Do: true,
+		Answer: []dns.RR{
+			// because we sort, this look fishy, but it is OK.
+			coretest.RRSIG("miek.nl.	1800	IN	RRSIG	SOA 8 2 1800 20160426031301 20160327031301 12051 miek.nl. FIrzy07acBbtyQczy1dc="),
+			coretest.SOA("miek.nl.	1800	IN	SOA	linode.atoom.net. miek.miek.nl. 1282630057 14400 3600 604800 14400"),
+		},
+	},
+	{
+		Qname: "miek.nl.", Qtype: dns.TypeAAAA, Do: true,
+		Answer: []dns.RR{
+			coretest.AAAA("miek.nl.	1800	IN	AAAA	2a01:7e00::f03c:91ff:fef1:6735"),
+			coretest.RRSIG("miek.nl.	1800	IN	RRSIG	AAAA 8 2 1800 20160426031301 20160327031301 12051 miek.nl. SsRT="),
+		},
+	},
+	{
+		Qname: "miek.nl.", Qtype: dns.TypeMX, Do: true,
+		Answer: []dns.RR{
+			coretest.MX("miek.nl.	1800	IN	MX	1 aspmx.l.google.com."),
+			coretest.MX("miek.nl.	1800	IN	MX	10 aspmx2.googlemail.com."),
+			coretest.MX("miek.nl.	1800	IN	MX	10 aspmx3.googlemail.com."),
+			coretest.MX("miek.nl.	1800	IN	MX	5 alt1.aspmx.l.google.com."),
+			coretest.MX("miek.nl.	1800	IN	MX	5 alt2.aspmx.l.google.com."),
+			coretest.RRSIG("miek.nl.	1800	IN	RRSIG	MX 8 2 1800 20160426031301 20160327031301 12051 miek.nl. kLqG+iOr="),
+		},
+	},
+	{
+		Qname: "www.miek.nl.", Qtype: dns.TypeA, Do: true,
+		Answer: []dns.RR{
+			coretest.CNAME("www.miek.nl.	1800	IN	CNAME	a.miek.nl."),
+		},
+
+		Extra: []dns.RR{
+			coretest.A("a.miek.nl.	1800	IN	A	139.162.196.78"),
+			coretest.RRSIG("a.miek.nl.	1800	IN	RRSIG	A 8 3 1800 20160426031301 20160327031301 12051 miek.nl. lxLotCjWZ3kihTxk="),
+		},
+	},
+	{
+		// NoData
+		Qname: "a.miek.nl.", Qtype: dns.TypeSRV, Do: true,
+		Ns: []dns.RR{
+			coretest.NSEC("a.miek.nl.	14400	IN	NSEC	archive.miek.nl. A AAAA RRSIG NSEC"),
+			coretest.RRSIG("a.miek.nl.	14400	IN	RRSIG	NSEC 8 3 14400 20160426031301 20160327031301 12051 miek.nl. GqnF6cutipmSHEao="),
+			coretest.RRSIG("miek.nl.	1800	IN	RRSIG	SOA 8 2 1800 20160426031301 20160327031301 12051 miek.nl. FIrzy07acBbtyQczy1dc="),
+			coretest.SOA("miek.nl.	1800	IN	SOA	linode.atoom.net. miek.miek.nl. 1282630057 14400 3600 604800 14400"),
+		},
+	},
+	/* HAHA nsec... shit.
+	// disprove *.miek.nl and that b.miek.nl does not exist
+	{
+		Qname: "b.miek.nl.", Qtype: dns.TypeA,
+		Rcode: dns.RcodeNameError,
+		Ns: []dns.RR{
+			coretest.SOA("miek.nl.	1800	IN	SOA	linode.atoom.net. miek.miek.nl. 1282630057 14400 3600 604800 14400"),
+		},
+	},
+	*/
+}
+
+func testLookupDNSSECWildcard(t *testing.T) {
+	zone, err := Parse(strings.NewReader(dbMiekNL_signed), testzone, "stdin")
+	if err != nil {
+		t.Fatalf("expect no error when reading zone, got %q", err)
+	}
+
+	fm := File{Next: coretest.ErrorHandler(), Zones: Zones{Z: map[string]*Zone{testzone: zone}, Names: []string{testzone}}}
+	ctx := context.TODO()
+
+	for _, tc := range dnssecWildcardTestCases {
+		m := tc.Msg()
+
+		rec := middleware.NewResponseRecorder(&middleware.TestResponseWriter{})
+		_, err := fm.ServeDNS(ctx, rec, m)
+		if err != nil {
+			t.Errorf("expected no error, got %v\n", err)
+			return
+		}
+		resp := rec.Msg()
+
+		sort.Sort(coretest.RRSet(resp.Answer))
+		sort.Sort(coretest.RRSet(resp.Ns))
+		sort.Sort(coretest.RRSet(resp.Extra))
+
+		if resp.Rcode != tc.Rcode {
+			t.Errorf("rcode is %q, expected %q", dns.RcodeToString[resp.Rcode], dns.RcodeToString[tc.Rcode])
+			t.Logf("%v\n", resp)
+			continue
+		}
+
+		if len(resp.Answer) != len(tc.Answer) {
+			t.Errorf("answer for %q contained %d results, %d expected", tc.Qname, len(resp.Answer), len(tc.Answer))
+			t.Logf("%v\n", resp)
+			continue
+		}
+		if len(resp.Ns) != len(tc.Ns) {
+			t.Errorf("authority for %q contained %d results, %d expected", tc.Qname, len(resp.Ns), len(tc.Ns))
+			t.Logf("%v\n", resp)
+			continue
+		}
+		if len(resp.Extra) != len(tc.Extra) {
+			t.Errorf("additional for %q contained %d results, %d expected", tc.Qname, len(resp.Extra), len(tc.Extra))
+			t.Logf("%v\n", resp)
+			continue
+		}
+
+		if !coretest.CheckSection(t, tc, coretest.Answer, resp.Answer) {
+			t.Logf("%v\n", resp)
+		}
+		if !coretest.CheckSection(t, tc, coretest.Ns, resp.Ns) {
+			t.Logf("%v\n", resp)
+
+		}
+		if !coretest.CheckSection(t, tc, coretest.Extra, resp.Extra) {
+			t.Logf("%v\n", resp)
+		}
+	}
+}
+
+const dbMiekNL_wildcard_signed = `§`