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-rwxr-xr-xpkg/sentry/socket/netfilter/extensions.go14
-rw-r--r--pkg/sentry/socket/netfilter/netfilter.go121
-rwxr-xr-xpkg/sentry/socket/netfilter/targets.go11
-rwxr-xr-xpkg/sentry/socket/netfilter/tcp_matcher.go11
-rwxr-xr-xpkg/sentry/socket/netfilter/udp_matcher.go13
-rwxr-xr-xpkg/sentry/socket/netstack/stack.go3
6 files changed, 84 insertions, 89 deletions
diff --git a/pkg/sentry/socket/netfilter/extensions.go b/pkg/sentry/socket/netfilter/extensions.go
index b4b244abf..0336a32d8 100755
--- a/pkg/sentry/socket/netfilter/extensions.go
+++ b/pkg/sentry/socket/netfilter/extensions.go
@@ -19,7 +19,7 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/binary"
- "gvisor.dev/gvisor/pkg/tcpip/iptables"
+ "gvisor.dev/gvisor/pkg/tcpip/stack"
"gvisor.dev/gvisor/pkg/usermem"
)
@@ -37,12 +37,12 @@ type matchMaker interface {
// name is the matcher name as stored in the xt_entry_match struct.
name() string
- // marshal converts from an iptables.Matcher to an ABI struct.
- marshal(matcher iptables.Matcher) []byte
+ // marshal converts from an stack.Matcher to an ABI struct.
+ marshal(matcher stack.Matcher) []byte
// unmarshal converts from the ABI matcher struct to an
- // iptables.Matcher.
- unmarshal(buf []byte, filter iptables.IPHeaderFilter) (iptables.Matcher, error)
+ // stack.Matcher.
+ unmarshal(buf []byte, filter stack.IPHeaderFilter) (stack.Matcher, error)
}
// matchMakers maps the name of supported matchers to the matchMaker that
@@ -58,7 +58,7 @@ func registerMatchMaker(mm matchMaker) {
matchMakers[mm.name()] = mm
}
-func marshalMatcher(matcher iptables.Matcher) []byte {
+func marshalMatcher(matcher stack.Matcher) []byte {
matchMaker, ok := matchMakers[matcher.Name()]
if !ok {
panic(fmt.Sprintf("Unknown matcher of type %T.", matcher))
@@ -86,7 +86,7 @@ func marshalEntryMatch(name string, data []byte) []byte {
return append(buf, make([]byte, size-len(buf))...)
}
-func unmarshalMatcher(match linux.XTEntryMatch, filter iptables.IPHeaderFilter, buf []byte) (iptables.Matcher, error) {
+func unmarshalMatcher(match linux.XTEntryMatch, filter stack.IPHeaderFilter, buf []byte) (stack.Matcher, error) {
matchMaker, ok := matchMakers[match.Name.String()]
if !ok {
return nil, fmt.Errorf("unsupported matcher with name %q", match.Name.String())
diff --git a/pkg/sentry/socket/netfilter/netfilter.go b/pkg/sentry/socket/netfilter/netfilter.go
index b5b9be46f..55bcc3ace 100644
--- a/pkg/sentry/socket/netfilter/netfilter.go
+++ b/pkg/sentry/socket/netfilter/netfilter.go
@@ -27,7 +27,6 @@ import (
"gvisor.dev/gvisor/pkg/syserr"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/iptables"
"gvisor.dev/gvisor/pkg/tcpip/stack"
"gvisor.dev/gvisor/pkg/usermem"
)
@@ -129,19 +128,19 @@ func GetEntries(t *kernel.Task, stack *stack.Stack, outPtr usermem.Addr, outLen
return entries, nil
}
-func findTable(stack *stack.Stack, tablename linux.TableName) (iptables.Table, error) {
- ipt := stack.IPTables()
+func findTable(stk *stack.Stack, tablename linux.TableName) (stack.Table, error) {
+ ipt := stk.IPTables()
table, ok := ipt.Tables[tablename.String()]
if !ok {
- return iptables.Table{}, fmt.Errorf("couldn't find table %q", tablename)
+ return stack.Table{}, fmt.Errorf("couldn't find table %q", tablename)
}
return table, nil
}
// FillDefaultIPTables sets stack's IPTables to the default tables and
// populates them with metadata.
-func FillDefaultIPTables(stack *stack.Stack) {
- ipt := iptables.DefaultTables()
+func FillDefaultIPTables(stk *stack.Stack) {
+ ipt := stack.DefaultTables()
// In order to fill in the metadata, we have to translate ipt from its
// netstack format to Linux's giant-binary-blob format.
@@ -154,14 +153,14 @@ func FillDefaultIPTables(stack *stack.Stack) {
ipt.Tables[name] = table
}
- stack.SetIPTables(ipt)
+ stk.SetIPTables(ipt)
}
// 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,
// jumping to those offsets, parsing again, etc.
-func convertNetstackToBinary(tablename string, table iptables.Table) (linux.KernelIPTGetEntries, metadata, error) {
+func convertNetstackToBinary(tablename string, table stack.Table) (linux.KernelIPTGetEntries, metadata, error) {
// Return values.
var entries linux.KernelIPTGetEntries
var meta metadata
@@ -234,19 +233,19 @@ func convertNetstackToBinary(tablename string, table iptables.Table) (linux.Kern
return entries, meta, nil
}
-func marshalTarget(target iptables.Target) []byte {
+func marshalTarget(target stack.Target) []byte {
switch tg := target.(type) {
- case iptables.AcceptTarget:
- return marshalStandardTarget(iptables.RuleAccept)
- case iptables.DropTarget:
- return marshalStandardTarget(iptables.RuleDrop)
- case iptables.ErrorTarget:
+ case stack.AcceptTarget:
+ return marshalStandardTarget(stack.RuleAccept)
+ case stack.DropTarget:
+ return marshalStandardTarget(stack.RuleDrop)
+ case stack.ErrorTarget:
return marshalErrorTarget(errorTargetName)
- case iptables.UserChainTarget:
+ case stack.UserChainTarget:
return marshalErrorTarget(tg.Name)
- case iptables.ReturnTarget:
- return marshalStandardTarget(iptables.RuleReturn)
- case iptables.RedirectTarget:
+ case stack.ReturnTarget:
+ return marshalStandardTarget(stack.RuleReturn)
+ case stack.RedirectTarget:
return marshalRedirectTarget()
case JumpTarget:
return marshalJumpTarget(tg)
@@ -255,7 +254,7 @@ func marshalTarget(target iptables.Target) []byte {
}
}
-func marshalStandardTarget(verdict iptables.RuleVerdict) []byte {
+func marshalStandardTarget(verdict stack.RuleVerdict) []byte {
nflog("convert to binary: marshalling standard target")
// The target's name will be the empty string.
@@ -316,13 +315,13 @@ func marshalJumpTarget(jt JumpTarget) []byte {
// translateFromStandardVerdict translates verdicts the same way as the iptables
// tool.
-func translateFromStandardVerdict(verdict iptables.RuleVerdict) int32 {
+func translateFromStandardVerdict(verdict stack.RuleVerdict) int32 {
switch verdict {
- case iptables.RuleAccept:
+ case stack.RuleAccept:
return -linux.NF_ACCEPT - 1
- case iptables.RuleDrop:
+ case stack.RuleDrop:
return -linux.NF_DROP - 1
- case iptables.RuleReturn:
+ case stack.RuleReturn:
return linux.NF_RETURN
default:
// TODO(gvisor.dev/issue/170): Support Jump.
@@ -331,18 +330,18 @@ func translateFromStandardVerdict(verdict iptables.RuleVerdict) int32 {
}
// translateToStandardTarget translates from the value in a
-// linux.XTStandardTarget to an iptables.Verdict.
-func translateToStandardTarget(val int32) (iptables.Target, error) {
+// linux.XTStandardTarget to an stack.Verdict.
+func translateToStandardTarget(val int32) (stack.Target, error) {
// TODO(gvisor.dev/issue/170): Support other verdicts.
switch val {
case -linux.NF_ACCEPT - 1:
- return iptables.AcceptTarget{}, nil
+ return stack.AcceptTarget{}, nil
case -linux.NF_DROP - 1:
- return iptables.DropTarget{}, nil
+ return stack.DropTarget{}, nil
case -linux.NF_QUEUE - 1:
return nil, errors.New("unsupported iptables verdict QUEUE")
case linux.NF_RETURN:
- return iptables.ReturnTarget{}, nil
+ return stack.ReturnTarget{}, nil
default:
return nil, fmt.Errorf("unknown iptables verdict %d", val)
}
@@ -350,7 +349,7 @@ func translateToStandardTarget(val int32) (iptables.Target, error) {
// SetEntries sets iptables rules for a single table. See
// net/ipv4/netfilter/ip_tables.c:translate_table for reference.
-func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
+func SetEntries(stk *stack.Stack, optVal []byte) *syserr.Error {
// Get the basic rules data (struct ipt_replace).
if len(optVal) < linux.SizeOfIPTReplace {
nflog("optVal has insufficient size for replace %d", len(optVal))
@@ -362,12 +361,12 @@ func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
binary.Unmarshal(replaceBuf, usermem.ByteOrder, &replace)
// TODO(gvisor.dev/issue/170): Support other tables.
- var table iptables.Table
+ var table stack.Table
switch replace.Name.String() {
- case iptables.TablenameFilter:
- table = iptables.EmptyFilterTable()
- case iptables.TablenameNat:
- table = iptables.EmptyNatTable()
+ case stack.TablenameFilter:
+ table = stack.EmptyFilterTable()
+ case stack.TablenameNat:
+ table = stack.EmptyNatTable()
default:
nflog("we don't yet support writing to the %q table (gvisor.dev/issue/170)", replace.Name.String())
return syserr.ErrInvalidArgument
@@ -434,7 +433,7 @@ func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
}
optVal = optVal[targetSize:]
- table.Rules = append(table.Rules, iptables.Rule{
+ table.Rules = append(table.Rules, stack.Rule{
Filter: filter,
Target: target,
Matchers: matchers,
@@ -465,11 +464,11 @@ func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
table.Underflows[hk] = ruleIdx
}
}
- if ruleIdx := table.BuiltinChains[hk]; ruleIdx == iptables.HookUnset {
+ if ruleIdx := table.BuiltinChains[hk]; ruleIdx == stack.HookUnset {
nflog("hook %v is unset.", hk)
return syserr.ErrInvalidArgument
}
- if ruleIdx := table.Underflows[hk]; ruleIdx == iptables.HookUnset {
+ if ruleIdx := table.Underflows[hk]; ruleIdx == stack.HookUnset {
nflog("underflow %v is unset.", hk)
return syserr.ErrInvalidArgument
}
@@ -478,7 +477,7 @@ func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
// Add the user chains.
for ruleIdx, rule := range table.Rules {
- target, ok := rule.Target.(iptables.UserChainTarget)
+ target, ok := rule.Target.(stack.UserChainTarget)
if !ok {
continue
}
@@ -522,8 +521,8 @@ func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
// PREROUTING chain right now, make sure all other chains point to
// ACCEPT rules.
for hook, ruleIdx := range table.BuiltinChains {
- if hook != iptables.Input && hook != iptables.Prerouting {
- if _, ok := table.Rules[ruleIdx].Target.(iptables.AcceptTarget); !ok {
+ if hook != stack.Input && hook != stack.Prerouting {
+ if _, ok := table.Rules[ruleIdx].Target.(stack.AcceptTarget); !ok {
nflog("hook %d is unsupported.", hook)
return syserr.ErrInvalidArgument
}
@@ -535,7 +534,7 @@ func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
// - There are no chains without an unconditional final rule.
// - There are no chains without an unconditional underflow rule.
- ipt := stack.IPTables()
+ ipt := stk.IPTables()
table.SetMetadata(metadata{
HookEntry: replace.HookEntry,
Underflow: replace.Underflow,
@@ -543,16 +542,16 @@ func SetEntries(stack *stack.Stack, optVal []byte) *syserr.Error {
Size: replace.Size,
})
ipt.Tables[replace.Name.String()] = table
- stack.SetIPTables(ipt)
+ stk.SetIPTables(ipt)
return nil
}
// parseMatchers parses 0 or more matchers from optVal. optVal should contain
// only the matchers.
-func parseMatchers(filter iptables.IPHeaderFilter, optVal []byte) ([]iptables.Matcher, error) {
+func parseMatchers(filter stack.IPHeaderFilter, optVal []byte) ([]stack.Matcher, error) {
nflog("set entries: parsing matchers of size %d", len(optVal))
- var matchers []iptables.Matcher
+ var matchers []stack.Matcher
for len(optVal) > 0 {
nflog("set entries: optVal has len %d", len(optVal))
@@ -594,7 +593,7 @@ func parseMatchers(filter iptables.IPHeaderFilter, optVal []byte) ([]iptables.Ma
// parseTarget parses a target from optVal. optVal should contain only the
// target.
-func parseTarget(filter iptables.IPHeaderFilter, optVal []byte) (iptables.Target, error) {
+func parseTarget(filter stack.IPHeaderFilter, optVal []byte) (stack.Target, error) {
nflog("set entries: parsing target of size %d", len(optVal))
if len(optVal) < linux.SizeOfXTEntryTarget {
return nil, fmt.Errorf("optVal has insufficient size for entry target %d", len(optVal))
@@ -638,11 +637,11 @@ func parseTarget(filter iptables.IPHeaderFilter, optVal []byte) (iptables.Target
switch name := errorTarget.Name.String(); name {
case errorTargetName:
nflog("set entries: error target")
- return iptables.ErrorTarget{}, nil
+ return stack.ErrorTarget{}, nil
default:
// User defined chain.
nflog("set entries: user-defined target %q", name)
- return iptables.UserChainTarget{Name: name}, nil
+ return stack.UserChainTarget{Name: name}, nil
}
case redirectTargetName:
@@ -659,8 +658,8 @@ func parseTarget(filter iptables.IPHeaderFilter, optVal []byte) (iptables.Target
buf = optVal[:linux.SizeOfXTRedirectTarget]
binary.Unmarshal(buf, usermem.ByteOrder, &redirectTarget)
- // Copy linux.XTRedirectTarget to iptables.RedirectTarget.
- var target iptables.RedirectTarget
+ // Copy linux.XTRedirectTarget to stack.RedirectTarget.
+ var target stack.RedirectTarget
nfRange := redirectTarget.NfRange
// RangeSize should be 1.
@@ -699,14 +698,14 @@ func parseTarget(filter iptables.IPHeaderFilter, optVal []byte) (iptables.Target
return nil, fmt.Errorf("unknown target %q doesn't exist or isn't supported yet.", target.Name.String())
}
-func filterFromIPTIP(iptip linux.IPTIP) (iptables.IPHeaderFilter, error) {
+func filterFromIPTIP(iptip linux.IPTIP) (stack.IPHeaderFilter, error) {
if containsUnsupportedFields(iptip) {
- return iptables.IPHeaderFilter{}, fmt.Errorf("unsupported fields in struct iptip: %+v", iptip)
+ return stack.IPHeaderFilter{}, fmt.Errorf("unsupported fields in struct iptip: %+v", iptip)
}
if len(iptip.Dst) != header.IPv4AddressSize || len(iptip.DstMask) != header.IPv4AddressSize {
- return iptables.IPHeaderFilter{}, fmt.Errorf("incorrect length of destination (%d) and/or destination mask (%d) fields", len(iptip.Dst), len(iptip.DstMask))
+ return stack.IPHeaderFilter{}, fmt.Errorf("incorrect length of destination (%d) and/or destination mask (%d) fields", len(iptip.Dst), len(iptip.DstMask))
}
- return iptables.IPHeaderFilter{
+ return stack.IPHeaderFilter{
Protocol: tcpip.TransportProtocolNumber(iptip.Protocol),
Dst: tcpip.Address(iptip.Dst[:]),
DstMask: tcpip.Address(iptip.DstMask[:]),
@@ -733,30 +732,30 @@ func containsUnsupportedFields(iptip linux.IPTIP) bool {
iptip.InverseFlags&^inverseMask != 0
}
-func validUnderflow(rule iptables.Rule) bool {
+func validUnderflow(rule stack.Rule) bool {
if len(rule.Matchers) != 0 {
return false
}
switch rule.Target.(type) {
- case iptables.AcceptTarget, iptables.DropTarget:
+ case stack.AcceptTarget, stack.DropTarget:
return true
default:
return false
}
}
-func hookFromLinux(hook int) iptables.Hook {
+func hookFromLinux(hook int) stack.Hook {
switch hook {
case linux.NF_INET_PRE_ROUTING:
- return iptables.Prerouting
+ return stack.Prerouting
case linux.NF_INET_LOCAL_IN:
- return iptables.Input
+ return stack.Input
case linux.NF_INET_FORWARD:
- return iptables.Forward
+ return stack.Forward
case linux.NF_INET_LOCAL_OUT:
- return iptables.Output
+ return stack.Output
case linux.NF_INET_POST_ROUTING:
- return iptables.Postrouting
+ return stack.Postrouting
}
panic(fmt.Sprintf("Unknown hook %d does not correspond to a builtin chain", hook))
}
diff --git a/pkg/sentry/socket/netfilter/targets.go b/pkg/sentry/socket/netfilter/targets.go
index c421b87cf..c948de876 100755
--- a/pkg/sentry/socket/netfilter/targets.go
+++ b/pkg/sentry/socket/netfilter/targets.go
@@ -15,11 +15,10 @@
package netfilter
import (
- "gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/iptables"
+ "gvisor.dev/gvisor/pkg/tcpip/stack"
)
-// JumpTarget implements iptables.Target.
+// JumpTarget implements stack.Target.
type JumpTarget struct {
// Offset is the byte offset of the rule to jump to. It is used for
// marshaling and unmarshaling.
@@ -29,7 +28,7 @@ type JumpTarget struct {
RuleNum int
}
-// Action implements iptables.Target.Action.
-func (jt JumpTarget) Action(tcpip.PacketBuffer) (iptables.RuleVerdict, int) {
- return iptables.RuleJump, jt.RuleNum
+// Action implements stack.Target.Action.
+func (jt JumpTarget) Action(stack.PacketBuffer) (stack.RuleVerdict, int) {
+ return stack.RuleJump, jt.RuleNum
}
diff --git a/pkg/sentry/socket/netfilter/tcp_matcher.go b/pkg/sentry/socket/netfilter/tcp_matcher.go
index f9945e214..ff1cfd8f6 100755
--- a/pkg/sentry/socket/netfilter/tcp_matcher.go
+++ b/pkg/sentry/socket/netfilter/tcp_matcher.go
@@ -19,9 +19,8 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/binary"
- "gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/iptables"
+ "gvisor.dev/gvisor/pkg/tcpip/stack"
"gvisor.dev/gvisor/pkg/usermem"
)
@@ -40,7 +39,7 @@ func (tcpMarshaler) name() string {
}
// marshal implements matchMaker.marshal.
-func (tcpMarshaler) marshal(mr iptables.Matcher) []byte {
+func (tcpMarshaler) marshal(mr stack.Matcher) []byte {
matcher := mr.(*TCPMatcher)
xttcp := linux.XTTCP{
SourcePortStart: matcher.sourcePortStart,
@@ -53,7 +52,7 @@ func (tcpMarshaler) marshal(mr iptables.Matcher) []byte {
}
// unmarshal implements matchMaker.unmarshal.
-func (tcpMarshaler) unmarshal(buf []byte, filter iptables.IPHeaderFilter) (iptables.Matcher, error) {
+func (tcpMarshaler) unmarshal(buf []byte, filter stack.IPHeaderFilter) (stack.Matcher, error) {
if len(buf) < linux.SizeOfXTTCP {
return nil, fmt.Errorf("buf has insufficient size for TCP match: %d", len(buf))
}
@@ -97,7 +96,7 @@ func (*TCPMatcher) Name() string {
}
// Match implements Matcher.Match.
-func (tm *TCPMatcher) Match(hook iptables.Hook, pkt tcpip.PacketBuffer, interfaceName string) (bool, bool) {
+func (tm *TCPMatcher) Match(hook stack.Hook, pkt stack.PacketBuffer, interfaceName string) (bool, bool) {
netHeader := header.IPv4(pkt.NetworkHeader)
if netHeader.TransportProtocol() != header.TCPProtocolNumber {
@@ -115,7 +114,7 @@ func (tm *TCPMatcher) Match(hook iptables.Hook, pkt tcpip.PacketBuffer, interfac
// Now we need the transport header. However, this may not have been set
// yet.
// TODO(gvisor.dev/issue/170): Parsing the transport header should
- // ultimately be moved into the iptables.Check codepath as matchers are
+ // ultimately be moved into the stack.Check codepath as matchers are
// added.
var tcpHeader header.TCP
if pkt.TransportHeader != nil {
diff --git a/pkg/sentry/socket/netfilter/udp_matcher.go b/pkg/sentry/socket/netfilter/udp_matcher.go
index 86aa11696..3359418c1 100755
--- a/pkg/sentry/socket/netfilter/udp_matcher.go
+++ b/pkg/sentry/socket/netfilter/udp_matcher.go
@@ -19,9 +19,8 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/binary"
- "gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/iptables"
+ "gvisor.dev/gvisor/pkg/tcpip/stack"
"gvisor.dev/gvisor/pkg/usermem"
)
@@ -40,7 +39,7 @@ func (udpMarshaler) name() string {
}
// marshal implements matchMaker.marshal.
-func (udpMarshaler) marshal(mr iptables.Matcher) []byte {
+func (udpMarshaler) marshal(mr stack.Matcher) []byte {
matcher := mr.(*UDPMatcher)
xtudp := linux.XTUDP{
SourcePortStart: matcher.sourcePortStart,
@@ -53,7 +52,7 @@ func (udpMarshaler) marshal(mr iptables.Matcher) []byte {
}
// unmarshal implements matchMaker.unmarshal.
-func (udpMarshaler) unmarshal(buf []byte, filter iptables.IPHeaderFilter) (iptables.Matcher, error) {
+func (udpMarshaler) unmarshal(buf []byte, filter stack.IPHeaderFilter) (stack.Matcher, error) {
if len(buf) < linux.SizeOfXTUDP {
return nil, fmt.Errorf("buf has insufficient size for UDP match: %d", len(buf))
}
@@ -94,11 +93,11 @@ func (*UDPMatcher) Name() string {
}
// Match implements Matcher.Match.
-func (um *UDPMatcher) Match(hook iptables.Hook, pkt tcpip.PacketBuffer, interfaceName string) (bool, bool) {
+func (um *UDPMatcher) Match(hook stack.Hook, pkt stack.PacketBuffer, interfaceName string) (bool, bool) {
netHeader := header.IPv4(pkt.NetworkHeader)
// TODO(gvisor.dev/issue/170): Proto checks should ultimately be moved
- // into the iptables.Check codepath as matchers are added.
+ // into the stack.Check codepath as matchers are added.
if netHeader.TransportProtocol() != header.UDPProtocolNumber {
return false, false
}
@@ -114,7 +113,7 @@ func (um *UDPMatcher) Match(hook iptables.Hook, pkt tcpip.PacketBuffer, interfac
// Now we need the transport header. However, this may not have been set
// yet.
// TODO(gvisor.dev/issue/170): Parsing the transport header should
- // ultimately be moved into the iptables.Check codepath as matchers are
+ // ultimately be moved into the stack.Check codepath as matchers are
// added.
var udpHeader header.UDP
if pkt.TransportHeader != nil {
diff --git a/pkg/sentry/socket/netstack/stack.go b/pkg/sentry/socket/netstack/stack.go
index a8e2e8c24..f5fa18136 100755
--- a/pkg/sentry/socket/netstack/stack.go
+++ b/pkg/sentry/socket/netstack/stack.go
@@ -23,7 +23,6 @@ import (
"gvisor.dev/gvisor/pkg/syserror"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/iptables"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv6"
"gvisor.dev/gvisor/pkg/tcpip/stack"
@@ -363,7 +362,7 @@ func (s *Stack) RouteTable() []inet.Route {
}
// IPTables returns the stack's iptables.
-func (s *Stack) IPTables() (iptables.IPTables, error) {
+func (s *Stack) IPTables() (stack.IPTables, error) {
return s.Stack.IPTables(), nil
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:59:11 +0000