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zeekay
cc986c328d
Squashes all pre-rewrite history into a single root commit. Previous tree: - 14506 commits including upstream Infisical fork history - Multiple merge chains carrying pre-purge content Force-rewrite per disk-space reclamation discipline. GHCR images (1.9.9, 1.9.11) remain immutable; their git lineage is no longer materialized.
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build aix || darwin || freebsd || linux || solaris || zos
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package ipv6
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import (
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"net"
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"unsafe"
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"golang.org/x/net/internal/socket"
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)
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var compatFreeBSD32 bool // 386 emulation on amd64
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func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
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var gr groupReq
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if ifi != nil {
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gr.Interface = uint32(ifi.Index)
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}
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gr.setGroup(grp)
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var b []byte
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if compatFreeBSD32 {
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var d [sizeofGroupReq + 4]byte
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s := (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))
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copy(d[:4], s[:4])
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copy(d[8:], s[4:])
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b = d[:]
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} else {
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b = (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))[:sizeofGroupReq]
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}
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return so.Set(c, b)
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}
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func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
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var gsr groupSourceReq
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if ifi != nil {
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gsr.Interface = uint32(ifi.Index)
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}
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gsr.setSourceGroup(grp, src)
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var b []byte
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if compatFreeBSD32 {
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var d [sizeofGroupSourceReq + 4]byte
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s := (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))
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copy(d[:4], s[:4])
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copy(d[8:], s[4:])
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b = d[:]
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} else {
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b = (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))[:sizeofGroupSourceReq]
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}
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return so.Set(c, b)
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}
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