Add resolved service and DNS server

This commit is contained in:
世界
2025-03-30 23:34:15 +08:00
parent e2440a569e
commit 6ee3117755
32 changed files with 1550 additions and 58 deletions

View File

@@ -253,9 +253,15 @@ func (c *Client) Exchange(ctx context.Context, transport adapter.DNSTransport, m
func (c *Client) Lookup(ctx context.Context, transport adapter.DNSTransport, domain string, options adapter.DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) ([]netip.Addr, error) {
domain = FqdnToDomain(domain)
dnsName := dns.Fqdn(domain)
if options.Strategy == C.DomainStrategyIPv4Only {
var strategy C.DomainStrategy
if options.LookupStrategy != C.DomainStrategyAsIS {
strategy = options.LookupStrategy
} else {
strategy = options.Strategy
}
if strategy == C.DomainStrategyIPv4Only {
return c.lookupToExchange(ctx, transport, dnsName, dns.TypeA, options, responseChecker)
} else if options.Strategy == C.DomainStrategyIPv6Only {
} else if strategy == C.DomainStrategyIPv6Only {
return c.lookupToExchange(ctx, transport, dnsName, dns.TypeAAAA, options, responseChecker)
}
var response4 []netip.Addr
@@ -281,7 +287,7 @@ func (c *Client) Lookup(ctx context.Context, transport adapter.DNSTransport, dom
if len(response4) == 0 && len(response6) == 0 {
return nil, err
}
return sortAddresses(response4, response6, options.Strategy), nil
return sortAddresses(response4, response6, strategy), nil
}
func (c *Client) ClearCache() {
@@ -537,12 +543,26 @@ func transportTagFromContext(ctx context.Context) (string, bool) {
return value, loaded
}
func FixedResponseStatus(message *dns.Msg, rcode int) *dns.Msg {
return &dns.Msg{
MsgHdr: dns.MsgHdr{
Id: message.Id,
Rcode: rcode,
Response: true,
},
Question: message.Question,
}
}
func FixedResponse(id uint16, question dns.Question, addresses []netip.Addr, timeToLive uint32) *dns.Msg {
response := dns.Msg{
MsgHdr: dns.MsgHdr{
Id: id,
Rcode: dns.RcodeSuccess,
Response: true,
Id: id,
Response: true,
Authoritative: true,
RecursionDesired: true,
RecursionAvailable: true,
Rcode: dns.RcodeSuccess,
},
Question: []dns.Question{question},
}
@@ -575,9 +595,12 @@ func FixedResponse(id uint16, question dns.Question, addresses []netip.Addr, tim
func FixedResponseCNAME(id uint16, question dns.Question, record string, timeToLive uint32) *dns.Msg {
response := dns.Msg{
MsgHdr: dns.MsgHdr{
Id: id,
Rcode: dns.RcodeSuccess,
Response: true,
Id: id,
Response: true,
Authoritative: true,
RecursionDesired: true,
RecursionAvailable: true,
Rcode: dns.RcodeSuccess,
},
Question: []dns.Question{question},
Answer: []dns.RR{
@@ -598,9 +621,12 @@ func FixedResponseCNAME(id uint16, question dns.Question, record string, timeToL
func FixedResponseTXT(id uint16, question dns.Question, records []string, timeToLive uint32) *dns.Msg {
response := dns.Msg{
MsgHdr: dns.MsgHdr{
Id: id,
Rcode: dns.RcodeSuccess,
Response: true,
Id: id,
Response: true,
Authoritative: true,
RecursionDesired: true,
RecursionAvailable: true,
Rcode: dns.RcodeSuccess,
},
Question: []dns.Question{question},
Answer: []dns.RR{
@@ -621,9 +647,12 @@ func FixedResponseTXT(id uint16, question dns.Question, records []string, timeTo
func FixedResponseMX(id uint16, question dns.Question, records []*net.MX, timeToLive uint32) *dns.Msg {
response := dns.Msg{
MsgHdr: dns.MsgHdr{
Id: id,
Rcode: dns.RcodeSuccess,
Response: true,
Id: id,
Response: true,
Authoritative: true,
RecursionDesired: true,
RecursionAvailable: true,
Rcode: dns.RcodeSuccess,
},
Question: []dns.Question{question},
}