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Golang Msg.Id方法代码示例

本文整理汇总了Golang中dns.Msg.Id方法的典型用法代码示例。如果您正苦于以下问题:Golang Msg.Id方法的具体用法?Golang Msg.Id怎么用?Golang Msg.Id使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在dns.Msg的用法示例。


在下文中一共展示了Msg.Id方法的6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() {
	if len(os.Args) != 2 {
		fmt.Printf("%s DOMAIN\n", os.Args[0])
		os.Exit(1)
	}
	d := new(dns.Conn)
	c, err := dns.ClientConfigFromFile("/etc/resolv.conf")
	// Errorchecking
	d.RemoteAddr = c.Servers[0]

	m := new(dns.Msg)
	m.Id = dns.Id()
	m.MsgHdr.RecursionDesired = true
	m.Question = make([]dns.Question, 1)
	m.Question[0] = dns.Question{os.Args[1], dns.TypeMX, dns.ClassINET}

	err = d.Dial("udp")
	if err != nil {
		fmt.Printf("*** error: %s\n", err.String())
		os.Exit(1)
	}

	in, err := dns.SimpleQuery("udp", d, m)
	if in != nil {
		if in.Rcode != dns.RcodeSuccess {
			fmt.Printf(" *** invalid answer name %s after MX query for %s\n", os.Args[1], os.Args[1])
			os.Exit(1)
		}
		// Stuff must be in the answer section
		for _, a := range in.Answer {
			fmt.Printf("%v\n", a)
		}
	} else {
		fmt.Printf("*** error: %s\n", err.String())
	}
}
开发者ID:elazarl,项目名称:godns,代码行数:36,代码来源:mx.go

示例3: main


//.........这里部分代码省略.........
		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)
	}

	for i, v := range qname {
		m.Question[0] = dns.Question{v, qtype, qclass}
		m.Id = dns.Id()
		if *query {
			fmt.Printf("%s", m.String())
			fmt.Printf("\n;; size: %d bytes\n\n", m.Len())
		}
		// 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.DoRtt(m, nameserver, nil, func(m, r *dns.Msg, rtt time.Duration, e error, data interface{}) {
			defer func() {
				if i == len(qname)-1 {
					os.Exit(0)
				}
			}()
		Redo:
			if r == nil {
				return
			}
			if r.Rcode != dns.RcodeSuccess {
				return
			}
			if r.Id != m.Id {
				fmt.Printf("Id mismatch\n")
				return
			}
			if r.MsgHdr.Truncated && *fallback {
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.........
		}
		// First class, then type, to make ANY queries possible
		// And if it looks like type, it is a type
		for k, v := range dns.Rr_str {
			if v == strings.ToUpper(flag.Arg(i)) {
				qtype = k
				continue Flags
			}
		}
		// If it looks like a class, it is a class
		for k, v := range dns.Class_str {
			if v == strings.ToUpper(flag.Arg(i)) {
				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 @
	if !strings.HasSuffix(nameserver, ":53") {
		nameserver += ":53"
	}
	// 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 {
		opt := dns.NewRR(dns.TypeOPT).(*dns.RR_OPT)
		opt.Hdr.Rrtype = 0
		opt.SetDo()
		opt.SetVersion(0)
		opt.SetUDPSize(dns.DefaultMsgSize)
		if *nsid {
			opt.SetNsid("")
		}
		m.Extra = make([]dns.RR, 1)
		m.Extra[0] = opt
	}
	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[1] != nil {
				if r[0].Id != r[1].Id {
					fmt.Printf("Id mismatch\n")
				}
				if *short {
					r[1] = shortMsg(r[1])
				}
				fmt.Printf("%v", r[1])
			}
			i++
			if i == len(qname) {
				break forever
			}
		}
	}
}
开发者ID:andradeandrey,项目名称:godns,代码行数:101,代码来源:q.go

示例6: main


//.........这里部分代码省略.........
		}
	} 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
forever:
	for {
		select {
		case r := <-c.Reply:
			if r.Reply != nil {
				if r.Reply.Rcode == dns.RcodeSuccess {
					if r.Request.Id != r.Reply.Id {
						fmt.Printf("Id mismatch\n")
					}
				}
				if r.Reply.MsgHdr.Truncated && *fallback {
					if c.Net != "tcp" {
						if !*dnssec {
							fmt.Printf(";; Truncated, trying %d bytes bufsize\n", dns.DefaultMsgSize)
							o := new(dns.RR_OPT)
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.Msg.Id方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。