mirror of
https://github.com/autc04/Retro68.git
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133 lines
3.6 KiB
Go
133 lines
3.6 KiB
Go
// Copyright 2015 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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package net
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import (
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"bytes"
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"internal/syscall/windows"
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"sort"
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"testing"
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)
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func TestWindowsInterfaces(t *testing.T) {
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aas, err := adapterAddresses()
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if err != nil {
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t.Fatal(err)
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}
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ift, err := Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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aa := aas[i]
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if len(ifi.HardwareAddr) != int(aa.PhysicalAddressLength) {
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t.Errorf("got %d; want %d", len(ifi.HardwareAddr), aa.PhysicalAddressLength)
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}
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if ifi.MTU > 0x7fffffff {
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t.Errorf("%s: got %d; want less than or equal to 1<<31 - 1", ifi.Name, ifi.MTU)
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}
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if ifi.Flags&FlagUp != 0 && aa.OperStatus != windows.IfOperStatusUp {
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t.Errorf("%s: got %v; should not include FlagUp", ifi.Name, ifi.Flags)
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}
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if ifi.Flags&FlagLoopback != 0 && aa.IfType != windows.IF_TYPE_SOFTWARE_LOOPBACK {
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t.Errorf("%s: got %v; should not include FlagLoopback", ifi.Name, ifi.Flags)
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}
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if _, _, err := addrPrefixTable(aa); err != nil {
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t.Errorf("%s: %v", ifi.Name, err)
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}
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}
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}
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type byAddrLen []IPNet
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func (ps byAddrLen) Len() int { return len(ps) }
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func (ps byAddrLen) Less(i, j int) bool {
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if n := bytes.Compare(ps[i].IP, ps[j].IP); n != 0 {
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return n < 0
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}
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if n := bytes.Compare(ps[i].Mask, ps[j].Mask); n != 0 {
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return n < 0
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}
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return false
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}
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func (ps byAddrLen) Swap(i, j int) { ps[i], ps[j] = ps[j], ps[i] }
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var windowsAddrPrefixLenTests = []struct {
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pfxs []IPNet
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ip IP
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out int
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}{
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{
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[]IPNet{
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{IP: IPv4(172, 16, 0, 0), Mask: IPv4Mask(255, 255, 0, 0)},
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{IP: IPv4(192, 168, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)},
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{IP: IPv4(192, 168, 0, 0), Mask: IPv4Mask(255, 255, 255, 128)},
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{IP: IPv4(192, 168, 0, 0), Mask: IPv4Mask(255, 255, 255, 192)},
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},
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IPv4(192, 168, 0, 1),
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26,
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},
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{
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[]IPNet{
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{IP: ParseIP("2001:db8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0"))},
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{IP: ParseIP("2001:db8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8"))},
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{IP: ParseIP("2001:db8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc"))},
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},
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ParseIP("2001:db8::1"),
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126,
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},
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// Fallback cases. It may happen on Windows XP or 2003 server.
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{
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[]IPNet{
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{IP: IPv4(127, 0, 0, 0).To4(), Mask: IPv4Mask(255, 0, 0, 0)},
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{IP: IPv4(10, 0, 0, 0).To4(), Mask: IPv4Mask(255, 0, 0, 0)},
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{IP: IPv4(172, 16, 0, 0).To4(), Mask: IPv4Mask(255, 255, 0, 0)},
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{IP: IPv4(192, 168, 255, 0), Mask: IPv4Mask(255, 255, 255, 0)},
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{IP: IPv4zero, Mask: IPv4Mask(0, 0, 0, 0)},
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},
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IPv4(192, 168, 0, 1),
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8 * IPv4len,
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},
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{
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nil,
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IPv4(192, 168, 0, 1),
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8 * IPv4len,
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},
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{
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[]IPNet{
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{IP: IPv6loopback, Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"))},
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{IP: ParseIP("2001:db8:1::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0"))},
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{IP: ParseIP("2001:db8:2::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8"))},
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{IP: ParseIP("2001:db8:3::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc"))},
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{IP: IPv6unspecified, Mask: IPMask(ParseIP("::"))},
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},
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ParseIP("2001:db8::1"),
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8 * IPv6len,
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},
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{
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nil,
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ParseIP("2001:db8::1"),
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8 * IPv6len,
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},
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}
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func TestWindowsAddrPrefixLen(t *testing.T) {
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for i, tt := range windowsAddrPrefixLenTests {
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sort.Sort(byAddrLen(tt.pfxs))
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l := addrPrefixLen(tt.pfxs, tt.ip)
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if l != tt.out {
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t.Errorf("#%d: got %d; want %d", i, l, tt.out)
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}
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sort.Sort(sort.Reverse(byAddrLen(tt.pfxs)))
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l = addrPrefixLen(tt.pfxs, tt.ip)
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if l != tt.out {
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t.Errorf("#%d: got %d; want %d", i, l, tt.out)
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}
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}
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}
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