DNS outbound: Add blockTypes (#3812)

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风扇滑翔翼 2024-09-15 12:21:51 +08:00 committed by GitHub
parent d7c5a0fc5f
commit 3fed0c773f
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4 changed files with 39 additions and 16 deletions

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@ -13,6 +13,7 @@ type DNSOutboundConfig struct {
Port uint16 `json:"port"` Port uint16 `json:"port"`
UserLevel uint32 `json:"userLevel"` UserLevel uint32 `json:"userLevel"`
NonIPQuery string `json:"nonIPQuery"` NonIPQuery string `json:"nonIPQuery"`
BlockTypes []int32 `json:"blockTypes"`
} }
func (c *DNSOutboundConfig) Build() (proto.Message, error) { func (c *DNSOutboundConfig) Build() (proto.Message, error) {
@ -34,5 +35,6 @@ func (c *DNSOutboundConfig) Build() (proto.Message, error) {
return nil, errors.New(`unknown "nonIPQuery": `, c.NonIPQuery) return nil, errors.New(`unknown "nonIPQuery": `, c.NonIPQuery)
} }
config.Non_IPQuery = c.NonIPQuery config.Non_IPQuery = c.NonIPQuery
config.BlockTypes = c.BlockTypes
return config, nil return config, nil
} }

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@ -31,6 +31,7 @@ type Config struct {
Server *net.Endpoint `protobuf:"bytes,1,opt,name=server,proto3" json:"server,omitempty"` Server *net.Endpoint `protobuf:"bytes,1,opt,name=server,proto3" json:"server,omitempty"`
UserLevel uint32 `protobuf:"varint,2,opt,name=user_level,json=userLevel,proto3" json:"user_level,omitempty"` UserLevel uint32 `protobuf:"varint,2,opt,name=user_level,json=userLevel,proto3" json:"user_level,omitempty"`
Non_IPQuery string `protobuf:"bytes,3,opt,name=non_IP_query,json=nonIPQuery,proto3" json:"non_IP_query,omitempty"` Non_IPQuery string `protobuf:"bytes,3,opt,name=non_IP_query,json=nonIPQuery,proto3" json:"non_IP_query,omitempty"`
BlockTypes []int32 `protobuf:"varint,4,rep,packed,name=block_types,json=blockTypes,proto3" json:"block_types,omitempty"`
} }
func (x *Config) Reset() { func (x *Config) Reset() {
@ -86,6 +87,13 @@ func (x *Config) GetNon_IPQuery() string {
return "" return ""
} }
func (x *Config) GetBlockTypes() []int32 {
if x != nil {
return x.BlockTypes
}
return nil
}
var File_proxy_dns_config_proto protoreflect.FileDescriptor var File_proxy_dns_config_proto protoreflect.FileDescriptor
var file_proxy_dns_config_proto_rawDesc = []byte{ var file_proxy_dns_config_proto_rawDesc = []byte{
@ -93,20 +101,22 @@ var file_proxy_dns_config_proto_rawDesc = []byte{
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} }
var ( var (

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@ -14,4 +14,5 @@ message Config {
xray.common.net.Endpoint server = 1; xray.common.net.Endpoint server = 1;
uint32 user_level = 2; uint32 user_level = 2;
string non_IP_query = 3; string non_IP_query = 3;
repeated int32 block_types = 4;
} }

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@ -49,6 +49,7 @@ type Handler struct {
server net.Destination server net.Destination
timeout time.Duration timeout time.Duration
nonIPQuery string nonIPQuery string
blockTypes []int32
} }
func (h *Handler) Init(config *Config, dnsClient dns.Client, policyManager policy.Manager) error { func (h *Handler) Init(config *Config, dnsClient dns.Client, policyManager policy.Manager) error {
@ -63,6 +64,7 @@ func (h *Handler) Init(config *Config, dnsClient dns.Client, policyManager polic
h.server = config.Server.AsDestination() h.server = config.Server.AsDestination()
} }
h.nonIPQuery = config.Non_IPQuery h.nonIPQuery = config.Non_IPQuery
h.blockTypes = config.BlockTypes
return nil return nil
} }
@ -84,12 +86,12 @@ func parseIPQuery(b []byte) (r bool, domain string, id uint16, qType dnsmessage.
errors.LogInfoInner(context.Background(), err, "question") errors.LogInfoInner(context.Background(), err, "question")
return return
} }
domain = q.Name.String()
qType = q.Type qType = q.Type
if qType != dnsmessage.TypeA && qType != dnsmessage.TypeAAAA { if qType != dnsmessage.TypeA && qType != dnsmessage.TypeAAAA {
return return
} }
domain = q.Name.String()
r = true r = true
return return
} }
@ -181,10 +183,18 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, d internet.
if !h.isOwnLink(ctx) { if !h.isOwnLink(ctx) {
isIPQuery, domain, id, qType := parseIPQuery(b.Bytes()) isIPQuery, domain, id, qType := parseIPQuery(b.Bytes())
if len(h.blockTypes) > 0 {
for _, blocktype := range h.blockTypes {
if blocktype == int32(qType) {
errors.LogInfo(ctx, "blocked type ", qType, " query for domain ", domain)
return nil
}
}
}
if isIPQuery { if isIPQuery {
go h.handleIPQuery(id, qType, domain, writer) go h.handleIPQuery(id, qType, domain, writer)
} }
if isIPQuery || h.nonIPQuery == "drop" || qType == 65 { if isIPQuery || h.nonIPQuery == "drop" {
b.Release() b.Release()
continue continue
} }