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/
config.go
66 lines (58 loc) · 2.14 KB
/
config.go
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//go:build !confonly
// +build !confonly
package dns
import (
"github.com/Shadowsocks-NET/v2ray-go/v4/common/net"
"github.com/Shadowsocks-NET/v2ray-go/v4/common/strmatcher"
"github.com/Shadowsocks-NET/v2ray-go/v4/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 "v2ray.system." + id.String()
}