d2ea21d0d8
* use certmagic for more extensible/robust ACME cert handling * accept TOS based on config option Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: Lauris BH <lauris@nix.lv>
78 lines
1.6 KiB
Go
Vendored
78 lines
1.6 KiB
Go
Vendored
// Copyright 2012 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.
|
|
|
|
package ipv4
|
|
|
|
import (
|
|
"errors"
|
|
"net"
|
|
"runtime"
|
|
|
|
"golang.org/x/net/internal/socket"
|
|
)
|
|
|
|
var (
|
|
errInvalidConn = errors.New("invalid connection")
|
|
errMissingAddress = errors.New("missing address")
|
|
errNilHeader = errors.New("nil header")
|
|
errHeaderTooShort = errors.New("header too short")
|
|
errExtHeaderTooShort = errors.New("extension header too short")
|
|
errInvalidConnType = errors.New("invalid conn type")
|
|
errNotImplemented = errors.New("not implemented on " + runtime.GOOS + "/" + runtime.GOARCH)
|
|
|
|
// See https://www.freebsd.org/doc/en/books/porters-handbook/versions.html.
|
|
freebsdVersion uint32
|
|
compatFreeBSD32 bool // 386 emulation on amd64
|
|
)
|
|
|
|
// See golang.org/issue/30899.
|
|
func adjustFreeBSD32(m *socket.Message) {
|
|
// FreeBSD 12.0-RELEASE is affected by https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236737
|
|
if 1200086 <= freebsdVersion && freebsdVersion < 1201000 {
|
|
l := (m.NN + 4 - 1) &^ (4 - 1)
|
|
if m.NN < l && l <= len(m.OOB) {
|
|
m.NN = l
|
|
}
|
|
}
|
|
}
|
|
|
|
func boolint(b bool) int {
|
|
if b {
|
|
return 1
|
|
}
|
|
return 0
|
|
}
|
|
|
|
func netAddrToIP4(a net.Addr) net.IP {
|
|
switch v := a.(type) {
|
|
case *net.UDPAddr:
|
|
if ip := v.IP.To4(); ip != nil {
|
|
return ip
|
|
}
|
|
case *net.IPAddr:
|
|
if ip := v.IP.To4(); ip != nil {
|
|
return ip
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func opAddr(a net.Addr) net.Addr {
|
|
switch a.(type) {
|
|
case *net.TCPAddr:
|
|
if a == nil {
|
|
return nil
|
|
}
|
|
case *net.UDPAddr:
|
|
if a == nil {
|
|
return nil
|
|
}
|
|
case *net.IPAddr:
|
|
if a == nil {
|
|
return nil
|
|
}
|
|
}
|
|
return a
|
|
}
|