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Add disableFallbackIfMatch dns option

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This commit is contained in:
世界
2021-09-17 14:01:41 +01:00
committed by Xiaokang Wang
parent 97ef2397c8
commit 00155ffa2a
4 changed files with 82 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/dns/config.pb.go
+46 -34
View File
@@ -235,9 +235,10 @@ type Config struct {
// Tag is the inbound tag of DNS client.
Tag string `protobuf:"bytes,6,opt,name=tag,proto3" json:"tag,omitempty"`
// DisableCache disables DNS cache
DisableCache bool `protobuf:"varint,8,opt,name=disableCache,proto3" json:"disableCache,omitempty"`
QueryStrategy QueryStrategy `protobuf:"varint,9,opt,name=query_strategy,json=queryStrategy,proto3,enum=v2ray.core.app.dns.QueryStrategy" json:"query_strategy,omitempty"`
DisableFallback bool `protobuf:"varint,10,opt,name=disableFallback,proto3" json:"disableFallback,omitempty"`
DisableCache bool `protobuf:"varint,8,opt,name=disableCache,proto3" json:"disableCache,omitempty"`
QueryStrategy QueryStrategy `protobuf:"varint,9,opt,name=query_strategy,json=queryStrategy,proto3,enum=v2ray.core.app.dns.QueryStrategy" json:"query_strategy,omitempty"`
DisableFallback bool `protobuf:"varint,10,opt,name=disableFallback,proto3" json:"disableFallback,omitempty"`
DisableFallbackIfMatch bool `protobuf:"varint,11,opt,name=disableFallbackIfMatch,proto3" json:"disableFallbackIfMatch,omitempty"`
}
func (x *Config) Reset() {
@@ -337,6 +338,13 @@ func (x *Config) GetDisableFallback() bool {
return false
}
func (x *Config) GetDisableFallbackIfMatch() bool {
if x != nil {
return x.DisableFallbackIfMatch
}
return false
}
type NameServer_PriorityDomain struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -563,7 +571,7 @@ var file_app_dns_config_proto_rawDesc = []byte{
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@@ -594,36 +602,40 @@ var file_app_dns_config_proto_rawDesc = []byte{
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}
var (
app/dns/config.proto
+1
View File
@@ -84,4 +84,5 @@ message Config {
QueryStrategy query_strategy = 9;
bool disableFallback = 10;
bool disableFallbackIfMatch = 11;
}
app/dns/dns.go
+23 -19
View File
@@ -25,15 +25,16 @@ import (
// DNS is a DNS rely server.
type DNS struct {
sync.Mutex
tag string
disableCache bool
disableFallback bool
ipOption *dns.IPOption
hosts *StaticHosts
clients []*Client
ctx context.Context
domainMatcher strmatcher.IndexMatcher
matcherInfos []*DomainMatcherInfo
tag string
disableCache bool
disableFallback bool
disableFallbackIfMatch bool
ipOption *dns.IPOption
hosts *StaticHosts
clients []*Client
ctx context.Context
domainMatcher strmatcher.IndexMatcher
matcherInfos []*DomainMatcherInfo
}
// DomainMatcherInfo contains information attached to index returned by Server.domainMatcher
@@ -135,15 +136,16 @@ func New(ctx context.Context, config *Config) (*DNS, error) {
}
return &DNS{
tag: tag,
hosts: hosts,
ipOption: ipOption,
clients: clients,
ctx: ctx,
domainMatcher: domainMatcher,
matcherInfos: matcherInfos,
disableCache: config.DisableCache,
disableFallback: config.DisableFallback,
tag: tag,
hosts: hosts,
ipOption: ipOption,
clients: clients,
ctx: ctx,
domainMatcher: domainMatcher,
matcherInfos: matcherInfos,
disableCache: config.DisableCache,
disableFallback: config.DisableFallback,
disableFallbackIfMatch: config.DisableFallbackIfMatch,
}, nil
}
@@ -264,6 +266,7 @@ func (s *DNS) sortClients(domain string) []*Client {
domainRules := []string{}
// Priority domain matching
hasMatch := false
for _, match := range s.domainMatcher.Match(domain) {
info := s.matcherInfos[match]
client := s.clients[info.clientIdx]
@@ -275,9 +278,10 @@ func (s *DNS) sortClients(domain string) []*Client {
clientUsed[info.clientIdx] = true
clients = append(clients, client)
clientNames = append(clientNames, client.Name())
hasMatch = true
}
if !s.disableFallback {
if !(s.disableFallback || s.disableFallbackIfMatch && hasMatch) {
// Default round-robin query
for idx, client := range s.clients {
if clientUsed[idx] || client.skipFallback {
infra/conf/dns.go
+12 -10
View File
@@ -133,13 +133,14 @@ var typeMap = map[router.Domain_Type]dns.DomainMatchingType{
// DNSConfig is a JSON serializable object for dns.Config.
type DNSConfig struct {
Servers []*NameServerConfig `json:"servers"`
Hosts map[string]*HostAddress `json:"hosts"`
ClientIP *cfgcommon.Address `json:"clientIp"`
Tag string `json:"tag"`
QueryStrategy string `json:"queryStrategy"`
DisableCache bool `json:"disableCache"`
DisableFallback bool `json:"disableFallback"`
Servers []*NameServerConfig `json:"servers"`
Hosts map[string]*HostAddress `json:"hosts"`
ClientIP *cfgcommon.Address `json:"clientIp"`
Tag string `json:"tag"`
QueryStrategy string `json:"queryStrategy"`
DisableCache bool `json:"disableCache"`
DisableFallback bool `json:"disableFallback"`
DisableFallbackIfMatch bool `json:"disableFallbackIfMatch"`
}
type HostAddress struct {
@@ -206,9 +207,10 @@ func (c *DNSConfig) Build() (*dns.Config, error) {
geoLoader := cfgEnv.GetGeoLoader()
config := &dns.Config{
Tag: c.Tag,
DisableCache: c.DisableCache,
DisableFallback: c.DisableFallback,
Tag: c.Tag,
DisableCache: c.DisableCache,
DisableFallback: c.DisableFallback,
DisableFallbackIfMatch: c.DisableFallbackIfMatch,
}
if c.ClientIP != nil {