diff --git a/app/dns/config.pb.go b/app/dns/config.pb.go index fb0d285b9bb..2b41b80faa7 100644 --- a/app/dns/config.pb.go +++ b/app/dns/config.pb.go @@ -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{ 0x69, 0x6e, 0x1a, 0x36, 0x0a, 0x0c, 0x4f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x52, 0x75, 0x6c, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x72, 0x75, 0x6c, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x72, 0x75, 0x6c, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x73, 0x69, 0x7a, 0x65, 0x18, 0x02, - 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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 { diff --git a/infra/conf/dns.go b/infra/conf/dns.go index ef4e19ebc7e..d2306b642ef 100644 --- a/infra/conf/dns.go +++ b/infra/conf/dns.go @@ -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 {