From 621e49bb465f500cc46d47e39e828cf76d6381d7 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 24 Jul 2018 14:35:44 +0200 Subject: update vendor --- vendor/golang.org/x/net/internal/iana/gen.go | 383 +++++++++++++++++++++++++++ 1 file changed, 383 insertions(+) create mode 100644 vendor/golang.org/x/net/internal/iana/gen.go (limited to 'vendor/golang.org/x/net/internal/iana/gen.go') diff --git a/vendor/golang.org/x/net/internal/iana/gen.go b/vendor/golang.org/x/net/internal/iana/gen.go new file mode 100644 index 0000000..2a7661c --- /dev/null +++ b/vendor/golang.org/x/net/internal/iana/gen.go @@ -0,0 +1,383 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +//go:generate go run gen.go + +// This program generates internet protocol constants and tables by +// reading IANA protocol registries. +package main + +import ( + "bytes" + "encoding/xml" + "fmt" + "go/format" + "io" + "io/ioutil" + "net/http" + "os" + "strconv" + "strings" +) + +var registries = []struct { + url string + parse func(io.Writer, io.Reader) error +}{ + { + "https://www.iana.org/assignments/dscp-registry/dscp-registry.xml", + parseDSCPRegistry, + }, + { + "https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml", + parseProtocolNumbers, + }, + { + "https://www.iana.org/assignments/address-family-numbers/address-family-numbers.xml", + parseAddrFamilyNumbers, + }, +} + +func main() { + var bb bytes.Buffer + fmt.Fprintf(&bb, "// go generate gen.go\n") + fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n") + fmt.Fprintf(&bb, "// Package iana provides protocol number resources managed by the Internet Assigned Numbers Authority (IANA).\n") + fmt.Fprintf(&bb, `package iana // import "golang.org/x/net/internal/iana"`+"\n\n") + for _, r := range registries { + resp, err := http.Get(r.url) + if err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } + defer resp.Body.Close() + if resp.StatusCode != http.StatusOK { + fmt.Fprintf(os.Stderr, "got HTTP status code %v for %v\n", resp.StatusCode, r.url) + os.Exit(1) + } + if err := r.parse(&bb, resp.Body); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } + fmt.Fprintf(&bb, "\n") + } + b, err := format.Source(bb.Bytes()) + if err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } + if err := ioutil.WriteFile("const.go", b, 0644); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } +} + +func parseDSCPRegistry(w io.Writer, r io.Reader) error { + dec := xml.NewDecoder(r) + var dr dscpRegistry + if err := dec.Decode(&dr); err != nil { + return err + } + fmt.Fprintf(w, "// %s, Updated: %s\n", dr.Title, dr.Updated) + fmt.Fprintf(w, "const (\n") + for _, dr := range dr.escapeDSCP() { + fmt.Fprintf(w, "DiffServ%s = %#02x", dr.Name, dr.Value) + fmt.Fprintf(w, "// %s\n", dr.OrigName) + } + for _, er := range dr.escapeECN() { + fmt.Fprintf(w, "%s = %#02x", er.Descr, er.Value) + fmt.Fprintf(w, "// %s\n", er.OrigDescr) + } + fmt.Fprintf(w, ")\n") + return nil +} + +type dscpRegistry struct { + XMLName xml.Name `xml:"registry"` + Title string `xml:"title"` + Updated string `xml:"updated"` + Note string `xml:"note"` + Registries []struct { + Title string `xml:"title"` + Registries []struct { + Title string `xml:"title"` + Records []struct { + Name string `xml:"name"` + Space string `xml:"space"` + } `xml:"record"` + } `xml:"registry"` + Records []struct { + Value string `xml:"value"` + Descr string `xml:"description"` + } `xml:"record"` + } `xml:"registry"` +} + +type canonDSCPRecord struct { + OrigName string + Name string + Value int +} + +func (drr *dscpRegistry) escapeDSCP() []canonDSCPRecord { + var drs []canonDSCPRecord + for _, preg := range drr.Registries { + if !strings.Contains(preg.Title, "Differentiated Services Field Codepoints") { + continue + } + for _, reg := range preg.Registries { + if !strings.Contains(reg.Title, "Pool 1 Codepoints") { + continue + } + drs = make([]canonDSCPRecord, len(reg.Records)) + sr := strings.NewReplacer( + "+", "", + "-", "", + "/", "", + ".", "", + " ", "", + ) + for i, dr := range reg.Records { + s := strings.TrimSpace(dr.Name) + drs[i].OrigName = s + drs[i].Name = sr.Replace(s) + n, err := strconv.ParseUint(dr.Space, 2, 8) + if err != nil { + continue + } + drs[i].Value = int(n) << 2 + } + } + } + return drs +} + +type canonECNRecord struct { + OrigDescr string + Descr string + Value int +} + +func (drr *dscpRegistry) escapeECN() []canonECNRecord { + var ers []canonECNRecord + for _, reg := range drr.Registries { + if !strings.Contains(reg.Title, "ECN Field") { + continue + } + ers = make([]canonECNRecord, len(reg.Records)) + sr := strings.NewReplacer( + "Capable", "", + "Not-ECT", "", + "ECT(1)", "", + "ECT(0)", "", + "CE", "", + "(", "", + ")", "", + "+", "", + "-", "", + "/", "", + ".", "", + " ", "", + ) + for i, er := range reg.Records { + s := strings.TrimSpace(er.Descr) + ers[i].OrigDescr = s + ss := strings.Split(s, " ") + if len(ss) > 1 { + ers[i].Descr = strings.Join(ss[1:], " ") + } else { + ers[i].Descr = ss[0] + } + ers[i].Descr = sr.Replace(er.Descr) + n, err := strconv.ParseUint(er.Value, 2, 8) + if err != nil { + continue + } + ers[i].Value = int(n) + } + } + return ers +} + +func parseProtocolNumbers(w io.Writer, r io.Reader) error { + dec := xml.NewDecoder(r) + var pn protocolNumbers + if err := dec.Decode(&pn); err != nil { + return err + } + prs := pn.escape() + prs = append([]canonProtocolRecord{{ + Name: "IP", + Descr: "IPv4 encapsulation, pseudo protocol number", + Value: 0, + }}, prs...) + fmt.Fprintf(w, "// %s, Updated: %s\n", pn.Title, pn.Updated) + fmt.Fprintf(w, "const (\n") + for _, pr := range prs { + if pr.Name == "" { + continue + } + fmt.Fprintf(w, "Protocol%s = %d", pr.Name, pr.Value) + s := pr.Descr + if s == "" { + s = pr.OrigName + } + fmt.Fprintf(w, "// %s\n", s) + } + fmt.Fprintf(w, ")\n") + return nil +} + +type protocolNumbers struct { + XMLName xml.Name `xml:"registry"` + Title string `xml:"title"` + Updated string `xml:"updated"` + RegTitle string `xml:"registry>title"` + Note string `xml:"registry>note"` + Records []struct { + Value string `xml:"value"` + Name string `xml:"name"` + Descr string `xml:"description"` + } `xml:"registry>record"` +} + +type canonProtocolRecord struct { + OrigName string + Name string + Descr string + Value int +} + +func (pn *protocolNumbers) escape() []canonProtocolRecord { + prs := make([]canonProtocolRecord, len(pn.Records)) + sr := strings.NewReplacer( + "-in-", "in", + "-within-", "within", + "-over-", "over", + "+", "P", + "-", "", + "/", "", + ".", "", + " ", "", + ) + for i, pr := range pn.Records { + if strings.Contains(pr.Name, "Deprecated") || + strings.Contains(pr.Name, "deprecated") { + continue + } + prs[i].OrigName = pr.Name + s := strings.TrimSpace(pr.Name) + switch pr.Name { + case "ISIS over IPv4": + prs[i].Name = "ISIS" + case "manet": + prs[i].Name = "MANET" + default: + prs[i].Name = sr.Replace(s) + } + ss := strings.Split(pr.Descr, "\n") + for i := range ss { + ss[i] = strings.TrimSpace(ss[i]) + } + if len(ss) > 1 { + prs[i].Descr = strings.Join(ss, " ") + } else { + prs[i].Descr = ss[0] + } + prs[i].Value, _ = strconv.Atoi(pr.Value) + } + return prs +} + +func parseAddrFamilyNumbers(w io.Writer, r io.Reader) error { + dec := xml.NewDecoder(r) + var afn addrFamilylNumbers + if err := dec.Decode(&afn); err != nil { + return err + } + afrs := afn.escape() + fmt.Fprintf(w, "// %s, Updated: %s\n", afn.Title, afn.Updated) + fmt.Fprintf(w, "const (\n") + for _, afr := range afrs { + if afr.Name == "" { + continue + } + fmt.Fprintf(w, "AddrFamily%s = %d", afr.Name, afr.Value) + fmt.Fprintf(w, "// %s\n", afr.Descr) + } + fmt.Fprintf(w, ")\n") + return nil +} + +type addrFamilylNumbers struct { + XMLName xml.Name `xml:"registry"` + Title string `xml:"title"` + Updated string `xml:"updated"` + RegTitle string `xml:"registry>title"` + Note string `xml:"registry>note"` + Records []struct { + Value string `xml:"value"` + Descr string `xml:"description"` + } `xml:"registry>record"` +} + +type canonAddrFamilyRecord struct { + Name string + Descr string + Value int +} + +func (afn *addrFamilylNumbers) escape() []canonAddrFamilyRecord { + afrs := make([]canonAddrFamilyRecord, len(afn.Records)) + sr := strings.NewReplacer( + "IP version 4", "IPv4", + "IP version 6", "IPv6", + "Identifier", "ID", + "-", "", + "-", "", + "/", "", + ".", "", + " ", "", + ) + for i, afr := range afn.Records { + if strings.Contains(afr.Descr, "Unassigned") || + strings.Contains(afr.Descr, "Reserved") { + continue + } + afrs[i].Descr = afr.Descr + s := strings.TrimSpace(afr.Descr) + switch s { + case "IP (IP version 4)": + afrs[i].Name = "IPv4" + case "IP6 (IP version 6)": + afrs[i].Name = "IPv6" + case "AFI for L2VPN information": + afrs[i].Name = "L2VPN" + case "E.164 with NSAP format subaddress": + afrs[i].Name = "E164withSubaddress" + case "MT IP: Multi-Topology IP version 4": + afrs[i].Name = "MTIPv4" + case "MAC/24": + afrs[i].Name = "MACFinal24bits" + case "MAC/40": + afrs[i].Name = "MACFinal40bits" + case "IPv6/64": + afrs[i].Name = "IPv6Initial64bits" + default: + n := strings.Index(s, "(") + if n > 0 { + s = s[:n] + } + n = strings.Index(s, ":") + if n > 0 { + s = s[:n] + } + afrs[i].Name = sr.Replace(s) + } + afrs[i].Value, _ = strconv.Atoi(afr.Value) + } + return afrs +} -- cgit v1.2.3