refine key comments

This commit is contained in:
Meo597
2026-07-15 07:56:09 +08:00
parent e77250a40e
commit dd3ced5894
+3 -4
View File
@@ -278,7 +278,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
if defaultRule != nil || len(h.finalRules) > 0 {
if strategy := h.resolveStrategy; strategy.HasStrategy() {
ips, err := internet.LookupForIP(destination.Address.Domain(), strategy, outGateway)
if err != nil { // SRV/TXT
if err != nil { // non-force may still dial with system DNS
errors.LogInfoInner(ctx, err, "failed to get IP address for domain ", destination.Address.Domain())
if strategy.ForceIP() {
return err // retry
@@ -296,7 +296,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
}
} else {
addrs, err := net.DefaultResolver.LookupIPAddr(ctx, destination.Address.Domain())
if err != nil { // SRV/TXT
if err != nil { // dialer may retry DNS
errors.LogInfoInner(ctx, err, "failed to get IP address for domain ", destination.Address.Domain())
}
for _, addr := range addrs {
@@ -337,7 +337,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
if h.usesDialerProxy {
errors.LogInfo(ctx, "skipping final rule check for proxied remote endpoint, original target: ", destination)
} else {
// SRV/TXT, lookup failed
// pre-check may fail or dialer may select another IP
remoteDest := net.DestinationFromAddr(conn.RemoteAddr())
if rule := h.matchFinalRule(remoteDest.Network, remoteDest.Address, remoteDest.Port, defaultRule); rule != nil && rule.action == RuleAction_Block {
conn.Close()
@@ -545,7 +545,6 @@ func NewPacketWriter(conn net.Conn, h *Handler, defaultRule *FinalRule, UDPOverr
ResolvedUDPAddr: resolvedUDPAddr,
OutGateway: outGateway,
}
}
return &buf.SequentialWriter{Writer: conn}
}