Golang dns.RR_OPT类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中dns.RR_OPT类的典型用法代码示例。如果您正苦于以下问题：Golang RR_OPT类的具体用法？Golang RR_OPT怎么用？Golang RR_OPT使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了RR_OPT类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: newConnMsg

func newConnMsg(qname, nameserver string, attempts int, qtype, qclass uint16, aa, ad, cd, rd, dnssec, nsid bool) (*dns.Conn, *dns.Msg) {
	d := new(dns.Conn)
	d.RemoteAddr = nameserver
	d.Attempts = attempts

	m := new(dns.Msg)
	m.MsgHdr.Authoritative = aa
	m.MsgHdr.AuthenticatedData = ad
	m.MsgHdr.CheckingDisabled = cd
	m.MsgHdr.RecursionDesired = rd
	m.Question = make([]dns.Question, 1)
	if dnssec || nsid {
		opt := new(dns.RR_OPT)
		opt.SetDo()
		opt.SetVersion(0)
		opt.SetUDPSize(dns.DefaultMsgSize)
		if nsid {
			opt.SetNsid("")
		}
		m.Extra = make([]dns.RR, 1)
		m.Extra[0] = opt
	}
	m.Question[0] = dns.Question{qname, qtype, qclass}
	m.Id = dns.Id()
	return d, m
}

开发者ID:elazarl，项目名称:godns，代码行数:26，代码来源:q.go

示例2: main

func main() {
	conf, err := dns.ClientConfigFromFile("/etc/resolv.conf")
	if len(os.Args) != 2 || err != nil {
		fmt.Printf("%s DOMAIN\n", os.Args[0])
		os.Exit(1)
	}
	m := new(dns.Msg)
	m.SetQuestion(os.Args[1], dns.TypeDNSKEY)

	// Set EDNS0's Do bit
	e := new(dns.RR_OPT)
	e.Hdr.Name = "."
	e.Hdr.Rrtype = dns.TypeOPT
	e.SetUDPSize(2048)
	e.SetDo()
	m.Extra = append(m.Extra, e)

	c := dns.NewClient()
	r := c.Exchange(m, conf.Servers[0])
	if r == nil {
		fmt.Printf("*** no answer received for %s\n", os.Args[1])
		os.Exit(1)
	}

	if r.Rcode != dns.RcodeSuccess {
		fmt.Printf(" *** invalid answer name %s after DNSKEY query for %s\n", os.Args[1], os.Args[1])
		os.Exit(1)
	}
	// Stuff must be in the answer section, check len(r.Answer)
	for _, k := range r.Answer {
		// Foreach key would need to provide a DS records, both sha1 and sha256
		if key, ok := k.(*dns.RR_DNSKEY); ok {
			key.Hdr.Ttl = 0
			ds := key.ToDS(dns.SHA1)
			fmt.Printf("%v\n", ds)
			ds = key.ToDS(dns.SHA256)
			fmt.Printf("%v\n", ds)
			ds = key.ToDS(dns.SHA384)
			fmt.Printf("%v\n", ds)
		}
	}
}

开发者ID:andradeandrey，项目名称:godns，代码行数:42，代码来源:key2ds.go

示例3: main


//.........这里部分代码省略.........
	}

	nameserver = string([]byte(nameserver)[1:]) // chop off @
	nameserver += ":" + strconv.Itoa(*port)

	// We use the async query handling, just to show how it is to be used.
	c := new(dns.Client)
	if *tcp {
		c.Net = "tcp"
		if *four {
			c.Net = "tcp4"
		}
		if *six {
			c.Net = "tcp6"
		}
	} else {
		c.Net = "udp"
		if *four {
			c.Net = "udp4"
		}
		if *six {
			c.Net = "udp6"
		}
	}

	m := new(dns.Msg)
	m.MsgHdr.Authoritative = *aa
	m.MsgHdr.AuthenticatedData = *ad
	m.MsgHdr.CheckingDisabled = *cd
	m.MsgHdr.RecursionDesired = *rd
	m.Question = make([]dns.Question, 1)

	if *dnssec || *nsid || *client != "" {
		o := new(dns.RR_OPT)
		o.Hdr.Name = "."
		o.Hdr.Rrtype = dns.TypeOPT
		if *dnssec {
			o.SetDo()
			o.SetUDPSize(dns.DefaultMsgSize)
		}
		if *nsid {
			e := new(dns.EDNS0_NSID)
			e.Code = dns.EDNS0NSID
			o.Option = append(o.Option, e)
			// NSD will not return nsid when the udp message size is too small
			o.SetUDPSize(dns.DefaultMsgSize)
		}
		if *client != "" {
			e := new(dns.EDNS0_SUBNET)
			e.Code = dns.EDNS0SUBNET
			e.SourceScope = 0
			e.Address = net.ParseIP(*client)
			if e.Address == nil {
				fmt.Fprintf(os.Stderr, "Failure to parse IP address: %s\n", *client)
				return
			}
			e.Family = 1 // IP4
			e.SourceNetmask = net.IPv4len * 8
			if e.Address.To4() == nil {
				e.Family = 2 // IP6
				e.SourceNetmask = net.IPv6len * 8
			}
			o.Option = append(o.Option, e)
		}
		m.Extra = append(m.Extra, o)
	}

开发者ID:wallrat，项目名称:dns，代码行数:67，代码来源:q.go

示例4: main


//.........这里部分代码省略.........
		if k, ok := dns.Str_rr[strings.ToUpper(flag.Arg(i))]; ok {
			qtype = k
			continue Flags
		}
		// If it looks like a class, it is a class
		if k, ok := dns.Str_class[strings.ToUpper(flag.Arg(i))]; ok {
			qclass = k
			continue Flags
		}
		// If it starts with TYPExxx it is unknown rr
		if strings.HasPrefix(flag.Arg(i), "TYPE") {
			i, e := strconv.Atoi(string([]byte(flag.Arg(i))[4:]))
			if e == nil {
				qtype = uint16(i)
				continue Flags
			}
		}

		// Anything else is a qname
		qname = append(qname, flag.Arg(i))
	}
	if len(qname) == 0 {
		qname = make([]string, 1)
		qname[0] = "."
		qtype = dns.TypeNS
	}
	if qtype == 0 {
		qtype = dns.TypeA
	}

	nameserver = string([]byte(nameserver)[1:]) // chop off @
	nameserver += ":" + strconv.Itoa(*port)

	// ipv6 todo
	// We use the async query handling, just to show how
	// it is to be used.
	dns.HandleQueryFunc(".", q)
	dns.ListenAndQuery(nil, nil)
	c := dns.NewClient()
	if *tcp {
		c.Net = "tcp"
	}

	m := new(dns.Msg)
	m.MsgHdr.Authoritative = *aa
	m.MsgHdr.AuthenticatedData = *ad
	m.MsgHdr.CheckingDisabled = *cd
	m.MsgHdr.RecursionDesired = *rd
	m.Question = make([]dns.Question, 1)
	if *dnssec || *nsid {
		o := new(dns.RR_OPT)
		o.Hdr.Name = "."
		o.Hdr.Rrtype = dns.TypeOPT
		if *dnssec {
			o.SetDo()
			o.SetUDPSize(dns.DefaultMsgSize)
		}
		if *nsid {
			o.SetNsid("")
		}
		m.Extra = append(m.Extra, o)
	}

	for _, v := range qname {
		m.Question[0] = dns.Question{v, qtype, qclass}
		m.Id = dns.Id()
		if *query {
			fmt.Printf("%s\n", m.String())
		}
		c.Do(m, nameserver)
	}

	i := 0
forever:
	for {
		select {
		case r := <-dns.DefaultReplyChan:
			if r.Reply != nil {
				if r.Reply.Rcode == dns.RcodeSuccess {
					if r.Request.Id != r.Reply.Id {
						fmt.Printf("Id mismatch\n")
					}
				}
				if *check {
					sigCheck(r.Reply, nameserver, *tcp)
					nsecCheck(r.Reply)
				}
				if *short {
					r.Reply = shortMsg(r.Reply)
				}

				fmt.Printf("%v", r.Reply)
			}
			i++
			if i == len(qname) {
				break forever
			}
		}
	}
}

开发者ID:davecheney，项目名称:godns，代码行数:101，代码来源:q.go

示例5: main


//.........这里部分代码省略.........

	nameserver = string([]byte(nameserver)[1:]) // chop off @
	nameserver += ":" + strconv.Itoa(*port)

	// We use the async query handling, just to show how it is to be used.
	dns.HandleQuery(".", q)
	dns.ListenAndQuery(nil)
	c := new(dns.Client)
	if *tcp {
		c.Net = "tcp"
		if *four {
			c.Net = "tcp4"
		}
		if *six {
			c.Net = "tcp6"
		}
	} else {
		c.Net = "udp"
		if *four {
			c.Net = "udp4"
		}
		if *six {
			c.Net = "udp6"
		}
	}

	m := new(dns.Msg)
	m.MsgHdr.Authoritative = *aa
	m.MsgHdr.AuthenticatedData = *ad
	m.MsgHdr.CheckingDisabled = *cd
	m.MsgHdr.RecursionDesired = *rd
	m.Question = make([]dns.Question, 1)
	if *dnssec || *nsid {
		o := new(dns.RR_OPT)
		o.Hdr.Name = "."
		o.Hdr.Rrtype = dns.TypeOPT
		if *dnssec {
			o.SetDo()
			o.SetUDPSize(dns.DefaultMsgSize)
		}
		if *nsid {
			o.SetNsid("")
		}
		m.Extra = append(m.Extra, o)
	}

	for _, v := range qname {
		m.Question[0] = dns.Question{v, qtype, qclass}
		m.Id = dns.Id()
		if *query {
			fmt.Printf("%s\n", m.String())
		}
		// Add tsig
		if *tsig != "" {
			if algo, name, secret, ok := tsigKeyParse(*tsig); ok {
				m.SetTsig(name, algo, 300, time.Now().Unix())
				c.TsigSecret = map[string]string{name: secret}
			} else {
				fmt.Fprintf(os.Stderr, "tsig key data error\n")
				return
			}
		}
		c.Do(m, nameserver)
	}

	i := 0

开发者ID:niltonkummer，项目名称:dns，代码行数:67，代码来源:q.go

注：本文中的dns.RR_OPT类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。