feat: complete basic functions

Support http,dns and mysql connection. Support custom http, dns response. Support dns rebinding.
Support mysql load local files and jdbc deserialize exploit.

internal/newdns/type.go

@@ -0,0 +1,49 @@
+package newdns
+
+import "github.com/miekg/dns"
+
+// Type denotes the DNS record type.
+type Type uint16
+
+const (
+	// A records return IPV4 addresses.
+	A = Type(dns.TypeA)
+
+	// AAAA records return IPV6 addresses.
+	AAAA = Type(dns.TypeAAAA)
+
+	// CNAME records return other DNS names.
+	CNAME = Type(dns.TypeCNAME)
+
+	// MX records return mails servers with their priorities. The target mail
+	// servers must itself be returned with an A or AAAA record.
+	MX = Type(dns.TypeMX)
+
+	// TXT records return arbitrary text data.
+	TXT = Type(dns.TypeTXT)
+
+	// NS records delegate names to other name servers.
+	NS = Type(dns.TypeNS)
+
+	// REBINDING records return different ip when the same client requests twice.
+	REBINDING = Type(99)
+)
+
+func (t Type) valid() bool {
+	switch t {
+	case A, AAAA, CNAME, MX, TXT, NS, REBINDING:
+		return true
+	default:
+		return false
+	}
+}
+
+func typeInList(list []Type, needle Type) bool {
+	for _, t := range list {
+		if t == needle {
+			return true
+		}
+	}
+
+	return false
+}