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Implement TCP and ICMP rejects

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This commit is contained in:
世界
2024-10-22 21:28:22 +08:00
parent af3d03330d
commit ee4e9bf1b3
6 changed files with 94 additions and 40 deletions
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26
route/rule/rule_action.go
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@@ -2,7 +2,9 @@ package rule
import (
"net/netip"
"os"
"strings"
"syscall"
"time"
"github.com/sagernet/sing-box/adapter"
@@ -10,6 +12,7 @@ import (
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing-tun"
E "github.com/sagernet/sing/common/exceptions"
F "github.com/sagernet/sing/common/format"
)
@@ -22,10 +25,10 @@ func NewRuleAction(action option.RuleAction) (adapter.RuleAction, error) {
UDPDisableDomainUnmapping: action.RouteOptions.UDPDisableDomainUnmapping,
}, nil
case C.RuleActionTypeReturn:
return &RuleActionReject{}, nil
return &RuleActionReturn{}, nil
case C.RuleActionTypeReject:
return &RuleActionReject{
Method: string(action.RejectOptions.Method),
Method: action.RejectOptions.Method,
}, nil
case C.RuleActionTypeHijackDNS:
return &RuleActionHijackDNS{}, nil
@@ -58,7 +61,7 @@ func NewDNSRuleAction(action option.DNSRuleAction) adapter.RuleAction {
return &RuleActionReturn{}
case C.RuleActionTypeReject:
return &RuleActionReject{
Method: string(action.RejectOptions.Method),
Method: action.RejectOptions.Method,
}
default:
panic(F.ToString("unknown rule action: ", action.Action))
@@ -118,6 +121,23 @@ func (r *RuleActionReject) String() string {
return F.ToString("reject(", r.Method, ")")
}
func (r *RuleActionReject) Error() 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.RuleActionRejectMethodDrop:
return tun.ErrDrop
default:
panic(F.ToString("unknown reject method: ", r.Method))
}
}
type RuleActionHijackDNS struct{}
func (r *RuleActionHijackDNS) Type() string {