Add dns64 plugin (#3534)

* Add dns64 plugin Add external plugin to core in-tree. * Pull code from upstream: https://github.com/serverwentdown/dns64 * Update docs. Signed-off-by: Ben Kochie <superq@gmail.com> * Make dns64 consistent. Signed-off-by: Ben Kochie <superq@gmail.com> * Cleanup README Signed-off-by: Ben Kochie <superq@gmail.com> * Cleanup minor issues. Signed-off-by: Ben Kochie <superq@gmail.com> * Remove proxy method. Signed-off-by: Ben Kochie <superq@gmail.com> * dns64: big cleanup * Make the code a bit more idiomatic * Add tests * use proper Upstream API Signed-off-by: Casey Callendrello <c1@caseyc.net> Signed-off-by: Ben Kochie <superq@gmail.com> * A little more clenaup * Fix some docs. * Use the correct plugin register method. * Cleanup some review items. Signed-off-by: Ben Kochie <superq@gmail.com> * Add metrics counter for DNS64 translations Add a basic counter of how many DNS64 translations have been completed. Signed-off-by: Ben Kochie <superq@gmail.com> * Add DNSSEC bug link Signed-off-by: Ben Kochie <superq@gmail.com> * Test cleanup Signed-off-by: Ben Kochie <superq@gmail.com> * dns64: more test cleanup Signed-off-by: Casey Callendrello <c1@caseyc.net> Co-authored-by: Casey Callendrello <c1@caseyc.net>
2025-10-27 16:24:19 -04:00 · 2020-03-26 08:42:23 +01:00
parent 1dba31ee7d
commit 4eeaef29ea
11 changed files with 1069 additions and 0 deletions
--- a/plugin/dns64/setup_test.go
+++ b/plugin/dns64/setup_test.go
@@ -0,0 +1,126 @@
+package dns64
+
+import (
+	"testing"
+
+	"github.com/caddyserver/caddy"
+)
+
+func TestSetupDns64(t *testing.T) {
+	tests := []struct {
+		inputUpstreams string
+		shouldErr      bool
+		prefix         string
+	}{
+		{
+			`dns64`,
+			false,
+			"64:ff9b::/96",
+		},
+		{
+			`dns64 64:dead::/96`,
+			false,
+			"64:dead::/96",
+		},
+		{
+			`dns64 {
+				translate_all
+			}`,
+			false,
+			"64:ff9b::/96",
+		},
+		{
+			`dns64`,
+			false,
+			"64:ff9b::/96",
+		},
+		{
+			`dns64 {
+				prefix 64:ff9b::/96
+			}`,
+			false,
+			"64:ff9b::/96",
+		},
+		{
+			`dns64 {
+				prefix 64:ff9b::/32
+			}`,
+			false,
+			"64:ff9b::/32",
+		},
+		{
+			`dns64 {
+				prefix 64:ff9b::/52
+			}`,
+			true,
+			"64:ff9b::/52",
+		},
+		{
+			`dns64 {
+				prefix 64:ff9b::/104
+			}`,
+			true,
+			"64:ff9b::/104",
+		},
+		{
+			`dns64 {
+				prefix 8.8.8.8/24
+			}`,
+			true,
+			"8.8.9.9/24",
+		},
+		{
+			`dns64 {
+				prefix 64:ff9b::/96
+			}`,
+			false,
+			"64:ff9b::/96",
+		},
+		{
+			`dns64 {
+				prefix 2002:ac12:b083::/96
+			}`,
+			false,
+			"2002:ac12:b083::/96",
+		},
+		{
+			`dns64 {
+				prefix 2002:c0a8:a88a::/48
+			}`,
+			false,
+			"2002:c0a8:a88a::/48",
+		},
+		{
+			`dns64 foobar {
+				prefix 64:ff9b::/96
+			}`,
+			true,
+			"64:ff9b::/96",
+		},
+		{
+			`dns64 foobar`,
+			true,
+			"64:ff9b::/96",
+		},
+		{
+			`dns64 {
+				foobar
+			}`,
+			true,
+			"64:ff9b::/96",
+		},
+	}
+
+	for i, test := range tests {
+		c := caddy.NewTestController("dns", test.inputUpstreams)
+		dns64, err := dns64Parse(c)
+		if (err != nil) != test.shouldErr {
+			t.Errorf("Test %d expected %v error, got %v for %s", i+1, test.shouldErr, err, test.inputUpstreams)
+		}
+		if err == nil {
+			if dns64.Prefix.String() != test.prefix {
+				t.Errorf("Test %d expected prefix %s, got %v", i+1, test.prefix, dns64.Prefix.String())
+			}
+		}
+	}
+}