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Outbound: Add targetStrategy; Fix mux does not close link.Reader; Fix origin does not work on UDP; Add logs (#5006)

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patterniha
2025-08-15 22:51:36 +02:00
committed by GitHub
parent 6fc0a40c2a
commit f557bf7da4
9 changed files with 133 additions and 70 deletions
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20
transport/internet/dialer.go
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@@ -85,20 +85,20 @@ var (
obm outbound.Manager
)
func lookupIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]net.IP, error) {
func LookupForIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]net.IP, error) {
if dnsClient == nil {
return nil, errors.New("DNS client not initialized").AtError()
}
ips, _, err := dnsClient.LookupIP(domain, dns.IPOption{
IPv4Enable: (localAddr == nil || localAddr.Family().IsIPv4()) && strategy.preferIP4(),
IPv6Enable: (localAddr == nil || localAddr.Family().IsIPv6()) && strategy.preferIP6(),
IPv4Enable: (localAddr == nil || localAddr.Family().IsIPv4()) && strategy.PreferIP4(),
IPv6Enable: (localAddr == nil || localAddr.Family().IsIPv6()) && strategy.PreferIP6(),
})
{ // Resolve fallback
if (len(ips) == 0 || err != nil) && strategy.hasFallback() && localAddr == nil {
if (len(ips) == 0 || err != nil) && strategy.HasFallback() && localAddr == nil {
ips, _, err = dnsClient.LookupIP(domain, dns.IPOption{
IPv4Enable: strategy.fallbackIP4(),
IPv6Enable: strategy.fallbackIP6(),
IPv4Enable: strategy.FallbackIP4(),
IPv6Enable: strategy.FallbackIP6(),
})
}
}
@@ -113,7 +113,7 @@ func canLookupIP(dst net.Destination, sockopt *SocketConfig) bool {
if dst.Address.Family().IsIP() {
return false
}
return sockopt.DomainStrategy.hasStrategy()
return sockopt.DomainStrategy.HasStrategy()
}
func redirect(ctx context.Context, dst net.Destination, obt string, h outbound.Handler) net.Conn {
@@ -249,17 +249,17 @@ func DialSystem(ctx context.Context, dest net.Destination, sockopt *SocketConfig
}
if canLookupIP(dest, sockopt) {
ips, err := lookupIP(dest.Address.String(), sockopt.DomainStrategy, src)
ips, err := LookupForIP(dest.Address.String(), sockopt.DomainStrategy, src)
if err != nil {
errors.LogErrorInner(ctx, err, "failed to resolve ip")
if sockopt.DomainStrategy.forceIP() {
if sockopt.DomainStrategy.ForceIP() {
return nil, err
}
} else if sockopt.HappyEyeballs == nil || sockopt.HappyEyeballs.TryDelayMs == 0 || sockopt.HappyEyeballs.MaxConcurrentTry == 0 || len(ips) < 2 || len(sockopt.DialerProxy) > 0 || dest.Network != net.Network_TCP {
dest.Address = net.IPAddress(ips[dice.Roll(len(ips))])
errors.LogInfo(ctx, "replace destination with "+dest.String())
} else {
return TcpRaceDial(ctx, src, ips, dest.Port, sockopt)
return TcpRaceDial(ctx, src, ips, dest.Port, sockopt, dest.Address.String())
}
}