diff options
Diffstat (limited to 'vendor/golang.org/x/net/ipv6/sockopt_posix.go')
-rw-r--r-- | vendor/golang.org/x/net/ipv6/sockopt_posix.go | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv6/sockopt_posix.go b/vendor/golang.org/x/net/ipv6/sockopt_posix.go new file mode 100644 index 0000000..37c6287 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sockopt_posix.go @@ -0,0 +1,90 @@ +// 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. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos + +package ipv6 + +import ( + "net" + "runtime" + "unsafe" + + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) { + n, err := so.GetInt(c) + if err != nil { + return nil, err + } + return net.InterfaceByIndex(n) +} + +func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error { + var n int + if ifi != nil { + n = ifi.Index + } + return so.SetInt(c, n) +} + +func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) { + b := make([]byte, so.Len) + n, err := so.Get(c, b) + if err != nil { + return nil, err + } + if n != sizeofICMPv6Filter { + return nil, errNotImplemented + } + return (*ICMPFilter)(unsafe.Pointer(&b[0])), nil +} + +func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error { + b := (*[sizeofICMPv6Filter]byte)(unsafe.Pointer(f))[:sizeofICMPv6Filter] + return so.Set(c, b) +} + +func (so *sockOpt) getMTUInfo(c *socket.Conn) (*net.Interface, int, error) { + b := make([]byte, so.Len) + n, err := so.Get(c, b) + if err != nil { + return nil, 0, err + } + if n != sizeofIPv6Mtuinfo { + return nil, 0, errNotImplemented + } + mi := (*ipv6Mtuinfo)(unsafe.Pointer(&b[0])) + if mi.Addr.Scope_id == 0 || runtime.GOOS == "aix" { + // AIX kernel might return a wrong address. + return nil, int(mi.Mtu), nil + } + ifi, err := net.InterfaceByIndex(int(mi.Addr.Scope_id)) + if err != nil { + return nil, 0, err + } + return ifi, int(mi.Mtu), nil +} + +func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + switch so.typ { + case ssoTypeIPMreq: + return so.setIPMreq(c, ifi, grp) + case ssoTypeGroupReq: + return so.setGroupReq(c, ifi, grp) + default: + return errNotImplemented + } +} + +func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + return so.setGroupSourceReq(c, ifi, grp, src) +} + +func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error { + return so.setAttachFilter(c, f) +} |