1 files changed, 0 insertions, 87 deletions
diff --git a/plugin/reverse/network.go b/plugin/reverse/network.go
deleted file mode 100644
index 80d533382..000000000
--- a/plugin/reverse/network.go
+++ /dev/null
@@ -1,87 +0,0 @@
-package reverse
-
-import (
-	"bytes"
-	"net"
-	"regexp"
-	"strings"
-)
-
-type network struct {
-	IPnet        *net.IPNet
-	Zone         string // forward lookup zone
-	Template     string
-	TTL          uint32
-	RegexMatchIP *regexp.Regexp
-}
-
-// TODO: we might want to get rid of these regexes.
-const hexDigit = "0123456789abcdef"
-const templateNameIP = "{ip}"
-const regexMatchV4 = "((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))"
-const regexMatchV6 = "([0-9a-fA-F]{32})"
-
-// hostnameToIP converts the hostname back to an ip, based on the template
-// returns nil if there is no IP found.
-func (network *network) hostnameToIP(rname string) net.IP {
-	var matchedIP net.IP
-
-	match := network.RegexMatchIP.FindStringSubmatch(rname)
-	if len(match) != 2 {
-		return nil
-	}
-
-	if network.IPnet.IP.To4() != nil {
-		matchedIP = net.ParseIP(match[1])
-	} else {
-		// TODO: can probably just allocate a []byte and use that.
-		var buf bytes.Buffer
-		// convert back to an valid ipv6 string with colons
-		for i := 0; i < 8*4; i += 4 {
-			buf.WriteString(match[1][i : i+4])
-			if i < 28 {
-				buf.WriteString(":")
-			}
-		}
-		matchedIP = net.ParseIP(buf.String())
-	}
-
-	// No valid ip or it does not belong to this network
-	if matchedIP == nil || !network.IPnet.Contains(matchedIP) {
-		return nil
-	}
-
-	return matchedIP
-}
-
-// ipToHostname converts an IP to an DNS compatible hostname and injects it into the template.domain.
-func (network *network) ipToHostname(ip net.IP) (name string) {
-	if ipv4 := ip.To4(); ipv4 != nil {
-		// replace . to -
-		name = ipv4.String()
-	} else {
-		// assume v6
-		// ensure zeros are present in string
-		buf := make([]byte, 0, len(ip)*4)
-		for i := 0; i < len(ip); i++ {
-			v := ip[i]
-			buf = append(buf, hexDigit[v>>4])
-			buf = append(buf, hexDigit[v&0xF])
-		}
-		name = string(buf)
-	}
-	// inject the converted ip into the fqdn template
-	return strings.Replace(network.Template, templateNameIP, name, 1)
-}
-
-type networks []network
-
-func (n networks) Len() int      { return len(n) }
-func (n networks) Swap(i, j int) { n[i], n[j] = n[j], n[i] }
-
-// cidr closer to the ip wins (by netmask)
-func (n networks) Less(i, j int) bool {
-	isize, _ := n[i].IPnet.Mask.Size()
-	jsize, _ := n[j].IPnet.Mask.Size()
-	return isize > jsize
-}