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Remove unused reject methods

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世界 2024-11-06 17:23:00 +08:00
parent 580a540162
commit e441567d83
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GPG key ID: CD109927C34A63C4
8 changed files with 65 additions and 46 deletions
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3
cmd/sing-box/cmd_format.go
View file

@ -2,7 +2,6 @@ package main
import (
"bytes"
"context"
"os"
"path/filepath"
@ -39,7 +38,7 @@ func format() error {
return err
}
for _, optionsEntry := range optionsList {
optionsEntry.options, err = badjson.Omitempty(context.TODO(), optionsEntry.options)
optionsEntry.options, err = badjson.Omitempty(globalCtx, optionsEntry.options)
if err != nil {
return err
}

4
constant/rule.go
View file

@ -35,9 +35,5 @@ const (
const (
RuleActionRejectMethodDefault = "default"
RuleActionRejectMethodReset = "reset"
RuleActionRejectMethodNetworkUnreachable = "network-unreachable"
RuleActionRejectMethodHostUnreachable = "host-unreachable"
RuleActionRejectMethodPortUnreachable = "port-unreachable"
RuleActionRejectMethodDrop = "drop"
)

12
option/rule_action.go
View file

@ -76,8 +76,6 @@ type _DNSRuleAction struct {
Action string `json:"action,omitempty"`
RouteOptions DNSRouteActionOptions `json:"-"`
RejectOptions RejectActionOptions `json:"-"`
SniffOptions RouteActionSniff `json:"-"`
ResolveOptions RouteActionResolve `json:"-"`
}
type DNSRuleAction _DNSRuleAction
@ -139,6 +137,7 @@ type DNSRouteActionOptions struct {
type _RejectActionOptions struct {
Method string `json:"method,omitempty"`
NoDrop bool `json:"no_drop,omitempty"`
}
type RejectActionOptions _RejectActionOptions
@ -151,14 +150,13 @@ func (r *RejectActionOptions) UnmarshalJSON(bytes []byte) error {
switch r.Method {
case "", C.RuleActionRejectMethodDefault:
r.Method = C.RuleActionRejectMethodDefault
case C.RuleActionRejectMethodReset,
C.RuleActionRejectMethodNetworkUnreachable,
C.RuleActionRejectMethodHostUnreachable,
C.RuleActionRejectMethodPortUnreachable,
C.RuleActionRejectMethodDrop:
case C.RuleActionRejectMethodDrop:
default:
return E.New("unknown reject method: " + r.Method)
}
if r.Method == C.RuleActionRejectMethodDrop && r.NoDrop {
return E.New("no_drop is not allowed when method is drop")
}
return nil
}

18
protocol/tun/inbound.go
View file

@ -343,19 +343,25 @@ func (t *Inbound) Start() error {
if err != nil {
return err
}
monitor.Start("initiating tun stack")
err = tunStack.Start()
monitor.Finish()
t.tunStack = tunStack
if err != nil {
return err
}
t.logger.Info("started at ", t.tunOptions.Name)
return nil
}
func (t *Inbound) PostStart() error {
monitor := taskmonitor.New(t.logger, C.StartTimeout)
monitor.Start("starting tun stack")
err := t.tunStack.Start()
monitor.Finish()
if err != nil {
return E.Cause(err, "starting tun stack")
}
monitor.Start("starting tun interface")
err = t.tunIf.Start()
monitor.Finish()
if err != nil {
return E.Cause(err, "starting TUN interface")
}
if t.autoRedirect != nil {
t.routeAddressSet = common.FlatMap(t.routeRuleSet, adapter.RuleSet.ExtractIPSet)
for _, routeRuleSet := range t.routeRuleSet {

7
route/route.go
View file

@ -8,7 +8,6 @@ import (
"os"
"os/user"
"strings"
"syscall"
"time"
"github.com/sagernet/sing-box/adapter"
@ -107,7 +106,7 @@ func (r *Router) routeConnection(ctx context.Context, conn net.Conn, metadata ad
selectReturn = true
case *rule.RuleActionReject:
buf.ReleaseMulti(buffers)
N.CloseOnHandshakeFailure(conn, onClose, action.Error())
N.CloseOnHandshakeFailure(conn, onClose, action.Error(ctx))
return nil
case *rule.RuleActionHijackDNS:
for _, buffer := range buffers {
@ -252,7 +251,7 @@ func (r *Router) routePacketConnection(ctx context.Context, conn N.PacketConn, m
selectReturn = true
case *rule.RuleActionReject:
N.ReleaseMultiPacketBuffer(packetBuffers)
N.CloseOnHandshakeFailure(conn, onClose, syscall.ECONNREFUSED)
N.CloseOnHandshakeFailure(conn, onClose, action.Error(ctx))
return nil
case *rule.RuleActionHijackDNS:
r.hijackDNSPacket(ctx, conn, packetBuffers, metadata)
@ -317,7 +316,7 @@ func (r *Router) PreMatch(metadata adapter.InboundContext) error {
if !isReject {
return nil
}
return rejectAction.Error()
return rejectAction.Error(nil)
}
func (r *Router) matchRule(

47
route/rule/rule_action.go
View file

@ -1,10 +1,10 @@
package rule
import (
"context"
"net/netip"
"os"
"strings"
"syscall"
"sync"
"time"
"github.com/sagernet/sing-box/adapter"
@ -13,11 +13,15 @@ import (
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing-tun"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
F "github.com/sagernet/sing/common/format"
"github.com/sagernet/sing/common/logger"
"golang.org/x/sys/unix"
)
func NewRuleAction(action option.RuleAction) (adapter.RuleAction, error) {
func NewRuleAction(logger logger.ContextLogger, action option.RuleAction) (adapter.RuleAction, error) {
switch action.Action {
case C.RuleActionTypeRoute:
return &RuleActionRoute{
@ -29,6 +33,8 @@ func NewRuleAction(action option.RuleAction) (adapter.RuleAction, error) {
case C.RuleActionTypeReject:
return &RuleActionReject{
Method: action.RejectOptions.Method,
NoDrop: action.RejectOptions.NoDrop,
logger: logger,
}, nil
case C.RuleActionTypeHijackDNS:
return &RuleActionHijackDNS{}, nil
@ -48,7 +54,7 @@ func NewRuleAction(action option.RuleAction) (adapter.RuleAction, error) {
}
}
func NewDNSRuleAction(action option.DNSRuleAction) adapter.RuleAction {
func NewDNSRuleAction(logger logger.ContextLogger, action option.DNSRuleAction) adapter.RuleAction {
switch action.Action {
case C.RuleActionTypeRoute:
return &RuleActionDNSRoute{
@ -62,6 +68,8 @@ func NewDNSRuleAction(action option.DNSRuleAction) adapter.RuleAction {
case C.RuleActionTypeReject:
return &RuleActionReject{
Method: action.RejectOptions.Method,
NoDrop: action.RejectOptions.NoDrop,
logger: logger,
}
default:
panic(F.ToString("unknown rule action: ", action.Action))
@ -108,6 +116,10 @@ func (r *RuleActionReturn) String() string {
type RuleActionReject struct {
Method string
NoDrop bool
logger logger.ContextLogger
dropAccess sync.Mutex
dropCounter []time.Time
}
func (r *RuleActionReject) Type() string {
@ -121,21 +133,30 @@ func (r *RuleActionReject) String() string {
return F.ToString("reject(", r.Method, ")")
}
func (r *RuleActionReject) Error() error {
func (r *RuleActionReject) Error(ctx context.Context) error {
var returnErr error
switch r.Method {
case C.RuleActionRejectMethodReset:
return os.ErrClosed
case C.RuleActionRejectMethodNetworkUnreachable:
return syscall.ENETUNREACH
case C.RuleActionRejectMethodHostUnreachable:
return syscall.EHOSTUNREACH
case C.RuleActionRejectMethodDefault, C.RuleActionRejectMethodPortUnreachable:
return syscall.ECONNREFUSED
case C.RuleActionRejectMethodDefault:
returnErr = unix.ECONNREFUSED
case C.RuleActionRejectMethodDrop:
return tun.ErrDrop
default:
panic(F.ToString("unknown reject method: ", r.Method))
}
r.dropAccess.Lock()
defer r.dropAccess.Unlock()
timeNow := time.Now()
r.dropCounter = common.Filter(r.dropCounter, func(t time.Time) bool {
return timeNow.Sub(t) <= 30*time.Second
})
r.dropCounter = append(r.dropCounter, timeNow)
if len(r.dropCounter) > 50 {
if ctx != nil {
r.logger.DebugContext(ctx, "dropped due to flooding")
}
return tun.ErrDrop
}
return returnErr
}
type RuleActionHijackDNS struct{}

4
route/rule/rule_default.go
View file

@ -52,7 +52,7 @@ type RuleItem interface {
}
func NewDefaultRule(ctx context.Context, router adapter.Router, logger log.ContextLogger, options option.DefaultRule) (*DefaultRule, error) {
action, err := NewRuleAction(options.RuleAction)
action, err := NewRuleAction(logger, options.RuleAction)
if err != nil {
return nil, E.Cause(err, "action")
}
@ -254,7 +254,7 @@ type LogicalRule struct {
}
func NewLogicalRule(ctx context.Context, router adapter.Router, logger log.ContextLogger, options option.LogicalRule) (*LogicalRule, error) {
action, err := NewRuleAction(options.RuleAction)
action, err := NewRuleAction(logger, options.RuleAction)
if err != nil {
return nil, E.Cause(err, "action")
}

4
route/rule/rule_dns.go
View file

@ -51,7 +51,7 @@ func NewDefaultDNSRule(ctx context.Context, router adapter.Router, logger log.Co
rule := &DefaultDNSRule{
abstractDefaultRule: abstractDefaultRule{
invert: options.Invert,
action: NewDNSRuleAction(options.DNSRuleAction),
action: NewDNSRuleAction(logger, options.DNSRuleAction),
},
}
if len(options.Inbound) > 0 {
@ -287,7 +287,7 @@ func NewLogicalDNSRule(ctx context.Context, router adapter.Router, logger log.Co
abstractLogicalRule: abstractLogicalRule{
rules: make([]adapter.HeadlessRule, len(options.Rules)),
invert: options.Invert,
action: NewDNSRuleAction(options.DNSRuleAction),
action: NewDNSRuleAction(logger, options.DNSRuleAction),
},
}
switch options.Mode {