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/ipv4/gen.go | 199 ++++++++++++++++++++++++++++++++++++ 1 file changed, 199 insertions(+) create mode 100644 vendor/golang.org/x/net/ipv4/gen.go (limited to 'vendor/golang.org/x/net/ipv4/gen.go') diff --git a/vendor/golang.org/x/net/ipv4/gen.go b/vendor/golang.org/x/net/ipv4/gen.go new file mode 100644 index 0000000..1bb1737 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/gen.go @@ -0,0 +1,199 @@ +// 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 system adaptation constants and types, +// internet protocol constants and tables by reading template files +// and IANA protocol registries. +package main + +import ( + "bytes" + "encoding/xml" + "fmt" + "go/format" + "io" + "io/ioutil" + "net/http" + "os" + "os/exec" + "runtime" + "strconv" + "strings" +) + +func main() { + if err := genzsys(); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } + if err := geniana(); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } +} + +func genzsys() error { + defs := "defs_" + runtime.GOOS + ".go" + f, err := os.Open(defs) + if err != nil { + if os.IsNotExist(err) { + return nil + } + return err + } + f.Close() + cmd := exec.Command("go", "tool", "cgo", "-godefs", defs) + b, err := cmd.Output() + if err != nil { + return err + } + b, err = format.Source(b) + if err != nil { + return err + } + zsys := "zsys_" + runtime.GOOS + ".go" + switch runtime.GOOS { + case "freebsd", "linux": + zsys = "zsys_" + runtime.GOOS + "_" + runtime.GOARCH + ".go" + } + if err := ioutil.WriteFile(zsys, b, 0644); err != nil { + return err + } + return nil +} + +var registries = []struct { + url string + parse func(io.Writer, io.Reader) error +}{ + { + "https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xml", + parseICMPv4Parameters, + }, +} + +func geniana() error { + 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 ipv4\n\n") + for _, r := range registries { + resp, err := http.Get(r.url) + if err != nil { + return err + } + defer resp.Body.Close() + if resp.StatusCode != http.StatusOK { + return fmt.Errorf("got HTTP status code %v for %v\n", resp.StatusCode, r.url) + } + if err := r.parse(&bb, resp.Body); err != nil { + return err + } + fmt.Fprintf(&bb, "\n") + } + b, err := format.Source(bb.Bytes()) + if err != nil { + return err + } + if err := ioutil.WriteFile("iana.go", b, 0644); err != nil { + return err + } + return nil +} + +func parseICMPv4Parameters(w io.Writer, r io.Reader) error { + dec := xml.NewDecoder(r) + var icp icmpv4Parameters + if err := dec.Decode(&icp); err != nil { + return err + } + prs := icp.escape() + fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated) + fmt.Fprintf(w, "const (\n") + for _, pr := range prs { + if pr.Descr == "" { + continue + } + fmt.Fprintf(w, "ICMPType%s ICMPType = %d", pr.Descr, pr.Value) + fmt.Fprintf(w, "// %s\n", pr.OrigDescr) + } + fmt.Fprintf(w, ")\n\n") + fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated) + fmt.Fprintf(w, "var icmpTypes = map[ICMPType]string{\n") + for _, pr := range prs { + if pr.Descr == "" { + continue + } + fmt.Fprintf(w, "%d: %q,\n", pr.Value, strings.ToLower(pr.OrigDescr)) + } + fmt.Fprintf(w, "}\n") + return nil +} + +type icmpv4Parameters struct { + XMLName xml.Name `xml:"registry"` + Title string `xml:"title"` + Updated string `xml:"updated"` + Registries []struct { + Title string `xml:"title"` + Records []struct { + Value string `xml:"value"` + Descr string `xml:"description"` + } `xml:"record"` + } `xml:"registry"` +} + +type canonICMPv4ParamRecord struct { + OrigDescr string + Descr string + Value int +} + +func (icp *icmpv4Parameters) escape() []canonICMPv4ParamRecord { + id := -1 + for i, r := range icp.Registries { + if strings.Contains(r.Title, "Type") || strings.Contains(r.Title, "type") { + id = i + break + } + } + if id < 0 { + return nil + } + prs := make([]canonICMPv4ParamRecord, len(icp.Registries[id].Records)) + sr := strings.NewReplacer( + "Messages", "", + "Message", "", + "ICMP", "", + "+", "P", + "-", "", + "/", "", + ".", "", + " ", "", + ) + for i, pr := range icp.Registries[id].Records { + if strings.Contains(pr.Descr, "Reserved") || + strings.Contains(pr.Descr, "Unassigned") || + strings.Contains(pr.Descr, "Deprecated") || + strings.Contains(pr.Descr, "Experiment") || + strings.Contains(pr.Descr, "experiment") { + continue + } + ss := strings.Split(pr.Descr, "\n") + if len(ss) > 1 { + prs[i].Descr = strings.Join(ss, " ") + } else { + prs[i].Descr = ss[0] + } + s := strings.TrimSpace(prs[i].Descr) + prs[i].OrigDescr = s + prs[i].Descr = sr.Replace(s) + prs[i].Value, _ = strconv.Atoi(pr.Value) + } + return prs +} -- cgit v1.2.3