package dns import ( "github.com/xtls/xray-core/common/net" "github.com/xtls/xray-core/common/strmatcher" "github.com/xtls/xray-core/common/uuid" ) var typeMap = map[DomainMatchingType]strmatcher.Type{ DomainMatchingType_Full: strmatcher.Full, DomainMatchingType_Subdomain: strmatcher.Domain, DomainMatchingType_Keyword: strmatcher.Substr, DomainMatchingType_Regex: strmatcher.Regex, } // References: // https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml // https://unix.stackexchange.com/questions/92441/whats-the-difference-between-local-home-and-lan var localTLDsAndDotlessDomains = []*NameServer_PriorityDomain{ {Type: DomainMatchingType_Regex, Domain: "^[^.]+$"}, // This will only match domains without any dot {Type: DomainMatchingType_Subdomain, Domain: "local"}, {Type: DomainMatchingType_Subdomain, Domain: "localdomain"}, {Type: DomainMatchingType_Subdomain, Domain: "localhost"}, {Type: DomainMatchingType_Subdomain, Domain: "lan"}, {Type: DomainMatchingType_Subdomain, Domain: "home.arpa"}, {Type: DomainMatchingType_Subdomain, Domain: "example"}, {Type: DomainMatchingType_Subdomain, Domain: "invalid"}, {Type: DomainMatchingType_Subdomain, Domain: "test"}, } var localTLDsAndDotlessDomainsRule = &NameServer_OriginalRule{ Rule: "geosite:private", Size: uint32(len(localTLDsAndDotlessDomains)), } func toStrMatcher(t DomainMatchingType, domain string) (strmatcher.Matcher, error) { strMType, f := typeMap[t] if !f { return nil, newError("unknown mapping type", t).AtWarning() } matcher, err := strMType.New(domain) if err != nil { return nil, newError("failed to create str matcher").Base(err) } return matcher, nil } func toNetIP(addrs []net.Address) ([]net.IP, error) { ips := make([]net.IP, 0, len(addrs)) for _, addr := range addrs { if addr.Family().IsIP() { ips = append(ips, addr.IP()) } else { return nil, newError("Failed to convert address", addr, "to Net IP.").AtWarning() } } return ips, nil } func generateRandomTag() string { id := uuid.New() return "xray.system." + id.String() }