mirror of
https://github.com/coredns/coredns.git
synced 2025-10-27 16:24:19 -04:00
142 lines
3.2 KiB
Go
142 lines
3.2 KiB
Go
package test
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import (
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"strings"
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"testing"
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"github.com/miekg/dns"
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)
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func TestClasslessReverse(t *testing.T) {
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// 25 -> so anything above 1.127 won't be answered, below is OK.
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corefile := `192.168.1.0/25:0 {
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whoami
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}`
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s, udp, _, err := CoreDNSServerAndPorts(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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defer s.Stop()
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tests := []struct {
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addr string
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rcode int
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}{
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{"192.168.1.0", dns.RcodeSuccess}, // in range
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{"192.168.1.1", dns.RcodeSuccess}, // in range
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{"192.168.1.127", dns.RcodeSuccess}, // in range
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{"192.168.1.128", dns.RcodeRefused}, // out of range
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{"192.168.1.129", dns.RcodeRefused}, // out of range
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{"192.168.1.255", dns.RcodeRefused}, // out of range
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{"192.168.2.0", dns.RcodeRefused}, // different zone
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}
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m := new(dns.Msg)
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for i, tc := range tests {
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inaddr, _ := dns.ReverseAddr(tc.addr)
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m.SetQuestion(inaddr, dns.TypeA)
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r, e := dns.Exchange(m, udp)
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if e != nil {
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t.Errorf("Test %d, expected no error, got %q", i, e)
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}
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if r.Rcode != tc.rcode {
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t.Errorf("Test %d, expected %d, got %d for %s", i, tc.rcode, r.Rcode, tc.addr)
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}
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}
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}
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func TestReverse(t *testing.T) {
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corefile := `192.168.1.0/24:0 {
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whoami
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}`
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s, udp, _, err := CoreDNSServerAndPorts(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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defer s.Stop()
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tests := []struct {
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addr string
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rcode int
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}{
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{"192.168.1.0", dns.RcodeSuccess},
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{"192.168.1.1", dns.RcodeSuccess},
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{"192.168.1.127", dns.RcodeSuccess},
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{"192.168.1.128", dns.RcodeSuccess},
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{"1.168.192.in-addr.arpa.", dns.RcodeSuccess},
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{"2.168.192.in-addr.arpa.", dns.RcodeRefused},
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}
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m := new(dns.Msg)
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for i, tc := range tests {
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if !strings.HasSuffix(tc.addr, ".arpa.") {
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inaddr, err := dns.ReverseAddr(tc.addr)
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if err != nil {
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t.Fatalf("Test %d, failed to convert %s", i, tc.addr)
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}
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tc.addr = inaddr
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}
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m.SetQuestion(tc.addr, dns.TypeA)
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r, e := dns.Exchange(m, udp)
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if e != nil {
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t.Errorf("Test %d, expected no error, got %q", i, e)
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}
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if r.Rcode != tc.rcode {
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t.Errorf("Test %d, expected %d, got %d for %s", i, tc.rcode, r.Rcode, tc.addr)
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}
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}
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}
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func TestReverseInAddr(t *testing.T) {
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corefile := `1.168.192.in-addr.arpa:0 {
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whoami
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}`
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s, udp, _, err := CoreDNSServerAndPorts(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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defer s.Stop()
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tests := []struct {
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addr string
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rcode int
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}{
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{"192.168.1.0", dns.RcodeSuccess},
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{"192.168.1.1", dns.RcodeSuccess},
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{"192.168.1.127", dns.RcodeSuccess},
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{"192.168.1.128", dns.RcodeSuccess},
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{"1.168.192.in-addr.arpa.", dns.RcodeSuccess},
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{"2.168.192.in-addr.arpa.", dns.RcodeRefused},
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}
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m := new(dns.Msg)
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for i, tc := range tests {
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if !strings.HasSuffix(tc.addr, ".arpa.") {
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inaddr, err := dns.ReverseAddr(tc.addr)
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if err != nil {
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t.Fatalf("Test %d, failed to convert %s", i, tc.addr)
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}
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tc.addr = inaddr
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}
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m.SetQuestion(tc.addr, dns.TypeA)
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r, e := dns.Exchange(m, udp)
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if e != nil {
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t.Errorf("Test %d, expected no error, got %q", i, e)
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}
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if r.Rcode != tc.rcode {
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t.Errorf("Test %d, expected %d, got %d for %s", i, tc.rcode, r.Rcode, tc.addr)
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}
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}
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}
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