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Add support for client-subnet DNS options

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This commit is contained in:
世界
2024-02-09 18:37:25 +08:00
parent 4576d5cd45
commit 581e8df86f
18 changed files with 315 additions and 140 deletions
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13
route/rule_dns.go
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@@ -1,6 +1,8 @@
package route
import (
"net/netip"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
@@ -38,6 +40,7 @@ type DefaultDNSRule struct {
abstractDefaultRule
disableCache bool
rewriteTTL *uint32
clientSubnet *netip.Addr
}
func NewDefaultDNSRule(router adapter.Router, logger log.ContextLogger, options option.DefaultDNSRule) (*DefaultDNSRule, error) {
@@ -48,6 +51,7 @@ func NewDefaultDNSRule(router adapter.Router, logger log.ContextLogger, options
},
disableCache: options.DisableCache,
rewriteTTL: options.RewriteTTL,
clientSubnet: (*netip.Addr)(options.ClientSubnet),
}
if len(options.Inbound) > 0 {
item := NewInboundRule(options.Inbound)
@@ -230,6 +234,10 @@ func (r *DefaultDNSRule) RewriteTTL() *uint32 {
return r.rewriteTTL
}
func (r *DefaultDNSRule) ClientSubnet() *netip.Addr {
return r.clientSubnet
}
func (r *DefaultDNSRule) WithAddressLimit() bool {
if len(r.destinationIPCIDRItems) > 0 {
return true
@@ -264,6 +272,7 @@ type LogicalDNSRule struct {
abstractLogicalRule
disableCache bool
rewriteTTL *uint32
clientSubnet *netip.Addr
}
func NewLogicalDNSRule(router adapter.Router, logger log.ContextLogger, options option.LogicalDNSRule) (*LogicalDNSRule, error) {
@@ -302,6 +311,10 @@ func (r *LogicalDNSRule) RewriteTTL() *uint32 {
return r.rewriteTTL
}
func (r *LogicalDNSRule) ClientSubnet() *netip.Addr {
return r.clientSubnet
}
func (r *LogicalDNSRule) WithAddressLimit() bool {
for _, rawRule := range r.rules {
switch rule := rawRule.(type) {