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Support SOL_IPV6 -> IPV6_CHECKSUM

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PiperOrigin-RevId: 419164074
This commit is contained in:
Ghanan Gowripalan
2021-12-31 21:33:15 -08:00
committed by gVisor bot
parent 58b9bdfc21
commit b488df0a2f
7 changed files with 390 additions and 26 deletions
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pkg/sentry/socket/netstack/netstack.go
+22
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@@ -1343,6 +1343,19 @@ func getSockOptIPv6(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name
}
switch name {
case linux.IPV6_CHECKSUM:
if outLen < sizeOfInt32 {
return nil, syserr.ErrInvalidArgument
}
v, err := ep.GetSockOptInt(tcpip.IPv6Checksum)
if err != nil {
return nil, syserr.TranslateNetstackError(err)
}
vP := primitive.Int32(v)
return &vP, nil
case linux.IPV6_V6ONLY:
if outLen < sizeOfInt32 {
return nil, syserr.ErrInvalidArgument
@@ -2151,6 +2164,15 @@ func setSockOptIPv6(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name
}
switch name {
case linux.IPV6_CHECKSUM:
if len(optVal) < sizeOfInt32 {
return syserr.ErrInvalidArgument
}
// int may not be 32-bits so we cast the uint32 to an int32 before casting
// to an int.
return syserr.TranslateNetstackError(ep.SetSockOptInt(tcpip.IPv6Checksum, int(int32(hostarch.ByteOrder.Uint32(optVal)))))
case linux.IPV6_V6ONLY:
if len(optVal) < sizeOfInt32 {
return syserr.ErrInvalidArgument