mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-12-27 07:59:47 +00:00
65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
package dns
|
|
|
|
import (
|
|
dm "github.com/xtls/xray-core/common/matcher/domain"
|
|
"github.com/xtls/xray-core/common/matcher/str"
|
|
"github.com/xtls/xray-core/common/net"
|
|
"github.com/xtls/xray-core/common/uuid"
|
|
)
|
|
|
|
var typeMap = map[dm.MatchingType]str.Type{
|
|
dm.MatchingType_Keyword: str.Substr,
|
|
dm.MatchingType_Regex: str.Regex,
|
|
dm.MatchingType_Subdomain: str.Domain,
|
|
dm.MatchingType_Full: str.Full,
|
|
}
|
|
|
|
// 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 = []*dm.Domain{
|
|
{Type: dm.MatchingType_Regex, Value: "^[^.]+$"}, // This will only match domains without any dot
|
|
{Type: dm.MatchingType_Subdomain, Value: "local"},
|
|
{Type: dm.MatchingType_Subdomain, Value: "localdomain"},
|
|
{Type: dm.MatchingType_Subdomain, Value: "localhost"},
|
|
{Type: dm.MatchingType_Subdomain, Value: "lan"},
|
|
{Type: dm.MatchingType_Subdomain, Value: "home.arpa"},
|
|
{Type: dm.MatchingType_Subdomain, Value: "example"},
|
|
{Type: dm.MatchingType_Subdomain, Value: "invalid"},
|
|
{Type: dm.MatchingType_Subdomain, Value: "test"},
|
|
}
|
|
|
|
var localTLDsAndDotlessDomainsRule = &NameServer_OriginalRule{
|
|
Rule: "geosite:private",
|
|
Size: uint32(len(localTLDsAndDotlessDomains)),
|
|
}
|
|
|
|
func toStrMatcher(t dm.MatchingType, domain string) (str.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()
|
|
}
|