mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-23 07:23:01 +00:00
64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
|
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()
|
||
|
|
}
|