mirror of
https://github.com/XTLS/Xray-core.git
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64 lines
2 KiB
Go
64 lines
2 KiB
Go
package dns
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import (
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dm "github.com/xtls/xray-core/common/matcher/domain"
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"github.com/xtls/xray-core/common/matcher/str"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/uuid"
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)
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var typeMap = map[dm.MatchingType]str.Type{
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dm.MatchingType_Keyword: str.Substr,
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dm.MatchingType_Regex: str.Regex,
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dm.MatchingType_Subdomain: str.Domain,
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dm.MatchingType_Full: str.Full,
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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 = []*dm.Domain{
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{Type: dm.MatchingType_Regex, Value: "^[^.]+$"}, // This will only match domains without any dot
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{Type: dm.MatchingType_Subdomain, Value: "local"},
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{Type: dm.MatchingType_Subdomain, Value: "localdomain"},
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{Type: dm.MatchingType_Subdomain, Value: "localhost"},
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{Type: dm.MatchingType_Subdomain, Value: "lan"},
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{Type: dm.MatchingType_Subdomain, Value: "home.arpa"},
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{Type: dm.MatchingType_Subdomain, Value: "example"},
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{Type: dm.MatchingType_Subdomain, Value: "invalid"},
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{Type: dm.MatchingType_Subdomain, Value: "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 dm.MatchingType, domain string) (str.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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