diff options
Diffstat (limited to 'pkg/tcpip/transport/raw/endpoint.go')
| -rw-r--r-- | pkg/tcpip/transport/raw/endpoint.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/raw/endpoint.go b/pkg/tcpip/transport/raw/endpoint.go index 90b032d85..d9a664c03 100644 --- a/pkg/tcpip/transport/raw/endpoint.go +++ b/pkg/tcpip/transport/raw/endpoint.go @@ -227,6 +227,13 @@ func (e *endpoint) Write(p tcpip.Payloader, opts tcpip.WriteOptions) (int64, <-c return 0, nil, tcpip.ErrInvalidOptionValue } + if opts.To != nil { + // Raw sockets do not support sending to a IPv4 address on a IPv6 endpoint. + if e.TransportEndpointInfo.NetProto == header.IPv6ProtocolNumber && len(opts.To.Addr) != header.IPv6AddressSize { + return 0, nil, tcpip.ErrInvalidOptionValue + } + } + n, ch, err := e.write(p, opts) switch err { case nil: @@ -397,6 +404,11 @@ func (*endpoint) Disconnect() *tcpip.Error { // Connect implements tcpip.Endpoint.Connect. func (e *endpoint) Connect(addr tcpip.FullAddress) *tcpip.Error { + // Raw sockets do not support connecting to a IPv4 address on a IPv6 endpoint. + if e.TransportEndpointInfo.NetProto == header.IPv6ProtocolNumber && len(addr.Addr) != header.IPv6AddressSize { + return tcpip.ErrInvalidOptionValue + } + e.mu.Lock() defer e.mu.Unlock() |