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Add resolved service and DNS server

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This commit is contained in:
世界
2025-03-30 23:34:15 +08:00
parent 1327c7940e
commit bbf7de181b
31 changed files with 1551 additions and 59 deletions
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15
route/dns.go
View File

@@ -27,12 +27,16 @@ func (r *Router) hijackDNSStream(ctx context.Context, conn net.Conn, metadata ad
conn.SetReadDeadline(time.Now().Add(C.DNSTimeout))
err := dnsOutbound.HandleStreamDNSRequest(ctx, r.dns, conn, metadata)
if err != nil {
return err
if !E.IsClosedOrCanceled(err) {
return err
} else {
return nil
}
}
}
}
func (r *Router) hijackDNSPacket(ctx context.Context, conn N.PacketConn, packetBuffers []*N.PacketBuffer, metadata adapter.InboundContext) {
func (r *Router) hijackDNSPacket(ctx context.Context, conn N.PacketConn, packetBuffers []*N.PacketBuffer, metadata adapter.InboundContext) error {
if natConn, isNatConn := conn.(udpnat.Conn); isNatConn {
metadata.Destination = M.Socksaddr{}
for _, packet := range packetBuffers {
@@ -48,18 +52,19 @@ func (r *Router) hijackDNSPacket(ctx context.Context, conn N.PacketConn, packetB
ctx: ctx,
metadata: metadata,
})
return
return nil
}
err := dnsOutbound.NewDNSPacketConnection(ctx, r.dns, conn, packetBuffers, metadata)
if err != nil && !E.IsClosedOrCanceled(err) {
r.logger.ErrorContext(ctx, E.Cause(err, "process DNS packet connection"))
return E.Cause(err, "process DNS packet")
}
return nil
}
func ExchangeDNSPacket(ctx context.Context, router adapter.DNSRouter, logger logger.ContextLogger, conn N.PacketConn, buffer *buf.Buffer, metadata adapter.InboundContext, destination M.Socksaddr) {
err := exchangeDNSPacket(ctx, router, conn, buffer, metadata, destination)
if err != nil && !errors.Is(err, tun.ErrDrop) && !E.IsClosedOrCanceled(err) {
logger.ErrorContext(ctx, E.Cause(err, "process DNS packet connection"))
logger.ErrorContext(ctx, E.Cause(err, "process DNS packet"))
}
}

28
route/route.go
View File

@@ -6,7 +6,6 @@ import (
"net"
"net/netip"
"os"
"os/user"
"strings"
"time"
@@ -113,14 +112,12 @@ func (r *Router) routeConnection(ctx context.Context, conn net.Conn, metadata ad
}
case *rule.RuleActionReject:
buf.ReleaseMulti(buffers)
N.CloseOnHandshakeFailure(conn, onClose, action.Error(ctx))
return nil
return action.Error(ctx)
case *rule.RuleActionHijackDNS:
for _, buffer := range buffers {
conn = bufio.NewCachedConn(conn, buffer)
}
r.hijackDNSStream(ctx, conn, metadata)
return nil
return r.hijackDNSStream(ctx, conn, metadata)
}
}
if selectedRule == nil {
@@ -231,11 +228,10 @@ func (r *Router) routePacketConnection(ctx context.Context, conn N.PacketConn, m
}
case *rule.RuleActionReject:
N.ReleaseMultiPacketBuffer(packetBuffers)
N.CloseOnHandshakeFailure(conn, onClose, action.Error(ctx))
return nil
return action.Error(ctx)
case *rule.RuleActionHijackDNS:
r.hijackDNSPacket(ctx, conn, packetBuffers, metadata)
return nil
return r.hijackDNSPacket(ctx, conn, packetBuffers, metadata)
}
}
if selectedRule == nil || selectReturn {
@@ -298,16 +294,16 @@ func (r *Router) matchRule(
r.logger.InfoContext(ctx, "failed to search process: ", fErr)
} else {
if processInfo.ProcessPath != "" {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath)
if processInfo.User != "" {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath, ", user: ", processInfo.User)
} else if processInfo.UserId != -1 {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath, ", user id: ", processInfo.UserId)
} else {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath)
}
} else if processInfo.PackageName != "" {
r.logger.InfoContext(ctx, "found package name: ", processInfo.PackageName)
} else if processInfo.UserId != -1 {
if /*needUserName &&*/ true {
osUser, _ := user.LookupId(F.ToString(processInfo.UserId))
if osUser != nil {
processInfo.User = osUser.Username
}
}
if processInfo.User != "" {
r.logger.InfoContext(ctx, "found user: ", processInfo.User)
} else {