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feat: support to check independent tcp dns connectivity

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This commit is contained in:
mzz2017
2023-02-12 15:39:00 +08:00
parent c43b6887d7
commit 4c2f936fa4
15 changed files with 508 additions and 315 deletions
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18
control/tcp.go
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@ -11,6 +11,7 @@ import (
"github.com/sirupsen/logrus"
"github.com/v2rayA/dae/common"
"github.com/v2rayA/dae/common/consts"
"github.com/v2rayA/dae/component/outbound/dialer"
internal "github.com/v2rayA/dae/pkg/ebpf_internal"
"golang.org/x/sys/unix"
"net"
@ -58,18 +59,21 @@ func (c *ControlPlane) handleConn(lConn net.Conn) (err error) {
if outboundIndex < 0 || int(outboundIndex) >= len(c.outbounds) {
return fmt.Errorf("outbound id from bpf is out of range: %v not in [0, %v]", outboundIndex, len(c.outbounds)-1)
}
l4proto := consts.L4ProtoStr_TCP
ipversion := consts.IpVersionFromAddr(dst.Addr())
dialer, _, err := outbound.Select(l4proto, ipversion)
networkType := &dialer.NetworkType{
L4Proto: consts.L4ProtoStr_TCP,
IpVersion: consts.IpVersionFromAddr(dst.Addr()),
IsDns: false,
}
d, _, err := outbound.Select(networkType)
if err != nil {
return fmt.Errorf("failed to select dialer from group %v: %w", outbound.Name, err)
return fmt.Errorf("failed to select dialer from group %v (%v): %w", outbound.Name, networkType.String(), err)
}
c.log.WithFields(logrus.Fields{
"network": string(l4proto) + string(ipversion),
"network": networkType.String(),
"outbound": outbound.Name,
"dialer": dialer.Name(),
"dialer": d.Name(),
}).Infof("%v <-> %v", RefineSourceToShow(src, dst.Addr()), RefineAddrPortToShow(dst))
rConn, err := dialer.Dial("tcp", dst.String())
rConn, err := d.Dial("tcp", dst.String())
if err != nil {
return fmt.Errorf("failed to dial %v: %w", dst, err)
}