diff options
Diffstat (limited to 'pkg/sentry')
| -rw-r--r-- | pkg/sentry/socket/netfilter/netfilter.go | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/pkg/sentry/socket/netfilter/netfilter.go b/pkg/sentry/socket/netfilter/netfilter.go index 45296b339..f8ed1acbc 100644 --- a/pkg/sentry/socket/netfilter/netfilter.go +++ b/pkg/sentry/socket/netfilter/netfilter.go @@ -131,7 +131,6 @@ func FillDefaultIPTables(stack *stack.Stack) { stack.SetIPTables(ipt) } -// TODO: Return proto. // convertNetstackToBinary converts the iptables as stored in netstack to the // format expected by the iptables tool. Linux stores each table as a binary // blob that can only be traversed by parsing a bit, reading some offsets, @@ -456,31 +455,6 @@ func parseMatchers(filter iptables.IPHeaderFilter, optVal []byte) ([]iptables.Ma var matcher iptables.Matcher var err error switch match.Name.String() { - case "tcp": - if len(buf) < linux.SizeOfXTTCP { - log.Warningf("netfilter: optVal has insufficient size for TCP match: %d", len(optVal)) - return nil, syserr.ErrInvalidArgument - } - var matchData linux.XTTCP - // For alignment reasons, the match's total size may exceed what's - // strictly necessary to hold matchData. - binary.Unmarshal(buf[:linux.SizeOfXTUDP], usermem.ByteOrder, &matchData) - log.Infof("parseMatchers: parsed XTTCP: %+v", matchData) - matcher, err = iptables.NewTCPMatcher(filter, iptables.TCPMatcherData{ - SourcePortStart: matchData.SourcePortStart, - SourcePortEnd: matchData.SourcePortEnd, - DestinationPortStart: matchData.DestinationPortStart, - DestinationPortEnd: matchData.DestinationPortEnd, - Option: matchData.Option, - FlagMask: matchData.FlagMask, - FlagCompare: matchData.FlagCompare, - InverseFlags: matchData.InverseFlags, - }) - if err != nil { - log.Warningf("netfilter: failed to create TCP matcher: %v", err) - return nil, syserr.ErrInvalidArgument - } - case "udp": if len(buf) < linux.SizeOfXTUDP { log.Warningf("netfilter: optVal has insufficient size for UDP match: %d", len(optVal)) |