diff options
Diffstat (limited to 'src/pkg/net/sockopt_bsd.go')
| -rw-r--r-- | src/pkg/net/sockopt_bsd.go | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/pkg/net/sockopt_bsd.go b/src/pkg/net/sockopt_bsd.go index ef6eb8505..77d51d737 100644 --- a/src/pkg/net/sockopt_bsd.go +++ b/src/pkg/net/sockopt_bsd.go @@ -2,16 +2,29 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build darwin dragonfly freebsd netbsd openbsd +// +build darwin dragonfly freebsd nacl netbsd openbsd package net import ( "os" + "runtime" "syscall" ) func setDefaultSockopts(s, family, sotype int, ipv6only bool) error { + if runtime.GOOS == "dragonfly" && sotype != syscall.SOCK_RAW { + // On DragonFly BSD, we adjust the ephemeral port + // range because unlike other BSD systems its default + // port range doesn't conform to IANA recommendation + // as described in RFC 6355 and is pretty narrow. + switch family { + case syscall.AF_INET: + syscall.SetsockoptInt(s, syscall.IPPROTO_IP, syscall.IP_PORTRANGE, syscall.IP_PORTRANGE_HIGH) + case syscall.AF_INET6: + syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_PORTRANGE, syscall.IPV6_PORTRANGE_HIGH) + } + } if family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW { // Allow both IP versions even if the OS default // is otherwise. Note that some operating systems |