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