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unmap IPv4-mapped IPv6 addresses (#4309)

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Thijs van Dien 2024-03-05 10:45:53 +01:00 • committed by GitHub
parent 71f5ae5ecb
commit a70419b49f
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2 changed files with 2 additions and 2 deletions
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2
sys_conn_oob.go
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@ -221,7 +221,7 @@ func (c *oobConn) ReadPacket() (receivedPacket, error) {
// unsigned int ipi6_ifindex; /* send/recv interface index */
// };
if len(body) == 20 {
p.info.addr = netip.AddrFrom16(*(*[16]byte)(body[:16]))
p.info.addr = netip.AddrFrom16(*(*[16]byte)(body[:16])).Unmap()
p.info.ifIndex = binary.LittleEndian.Uint32(body[16:])
} else {
invalidCmsgOnceV6.Do(func() {

2
sys_conn_oob_test.go
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@ -235,7 +235,7 @@ var _ = Describe("OOB Conn Test", func() {
Eventually(packetChan).Should(Receive(&p))
Expect(utils.IsIPv4(p.remoteAddr.(*net.UDPAddr).IP)).To(BeTrue())
Expect(p.info).To(Not(BeNil()))
Expect(p.info.addr.Is4In6() || p.info.addr.Is4()).To(BeTrue())
Expect(p.info.addr.Is4()).To(BeTrue())
ip := p.info.addr.As4()
Expect(net.IP(ip[:])).To(Equal(ip4.To4()))