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/query.go

@@ -0,0 +1,48 @@
+package newdns
+
+import (
+	"time"
+
+	"github.com/miekg/dns"
+)
+
+// Query can be used to query a DNS server over the provided protocol on its
+// address for the specified name and type. The supplied function can be set to
+// mutate the sent request.
+func Query(proto, addr, name, typ string, fn func(*dns.Msg)) (*dns.Msg, error) {
+	// prepare request
+	req := &dns.Msg{
+		MsgHdr: dns.MsgHdr{
+			Id: dns.Id(),
+		},
+		Question: []dns.Question{
+			{
+				Name:   name,
+				Qtype:  dns.StringToType[typ],
+				Qclass: dns.ClassINET,
+			},
+		},
+	}
+
+	// call function if available
+	if fn != nil {
+		fn(req)
+	}
+
+	// prepare client
+	client := dns.Client{
+		Net:     proto,
+		Timeout: time.Second,
+	}
+
+	// send request
+	res, _, err := client.Exchange(req, addr)
+	if err != nil {
+		return nil, err
+	}
+
+	// reset id to allow direct comparison
+	res.Id = 0
+
+	return res, nil
+}