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add sshd listener

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This commit is contained in:
ginuerzh
2022-01-26 15:53:33 +08:00
parent a134026e76
commit 04dfc8c4c3
39 changed files with 1101 additions and 848 deletions
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29
pkg/handler/ss/udp/handler.go
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@ -23,7 +23,6 @@ func init() {
type ssuHandler struct {
cipher core.Cipher
router *chain.Router
logger logger.Logger
md metadata
options handler.Options
}
@ -60,7 +59,6 @@ func (h *ssuHandler) Init(md md.Metadata) (err error) {
Hosts: h.options.Hosts,
Logger: h.options.Logger,
}
h.logger = h.options.Logger
return
}
@ -69,14 +67,14 @@ func (h *ssuHandler) Handle(ctx context.Context, conn net.Conn) {
defer conn.Close()
start := time.Now()
h.logger = h.logger.WithFields(map[string]interface{}{
log := h.options.Logger.WithFields(map[string]interface{}{
"remote": conn.RemoteAddr().String(),
"local": conn.LocalAddr().String(),
})
h.logger.Infof("%s <> %s", conn.RemoteAddr(), conn.LocalAddr())
log.Infof("%s <> %s", conn.RemoteAddr(), conn.LocalAddr())
defer func() {
h.logger.WithFields(map[string]interface{}{
log.WithFields(map[string]interface{}{
"duration": time.Since(start),
}).Infof("%s >< %s", conn.RemoteAddr(), conn.LocalAddr())
}()
@ -99,26 +97,25 @@ func (h *ssuHandler) Handle(ctx context.Context, conn net.Conn) {
// obtain a udp connection
c, err := h.router.Dial(ctx, "udp", "") // UDP association
if err != nil {
h.logger.Error(err)
log.Error(err)
return
}
defer c.Close()
cc, ok := c.(net.PacketConn)
if !ok {
h.logger.Errorf("wrong connection type")
log.Errorf("wrong connection type")
return
}
t := time.Now()
h.logger.Infof("%s <-> %s", conn.RemoteAddr(), cc.LocalAddr())
h.relayPacket(pc, cc)
h.logger.
WithFields(map[string]interface{}{"duration": time.Since(t)}).
log.Infof("%s <-> %s", conn.RemoteAddr(), cc.LocalAddr())
h.relayPacket(pc, cc, log)
log.WithFields(map[string]interface{}{"duration": time.Since(t)}).
Infof("%s >-< %s", conn.RemoteAddr(), cc.LocalAddr())
}
func (h *ssuHandler) relayPacket(pc1, pc2 net.PacketConn) (err error) {
func (h *ssuHandler) relayPacket(pc1, pc2 net.PacketConn, log logger.Logger) (err error) {
bufSize := h.md.bufferSize
errc := make(chan error, 2)
@ -134,7 +131,7 @@ func (h *ssuHandler) relayPacket(pc1, pc2 net.PacketConn) (err error) {
}
if h.options.Bypass != nil && h.options.Bypass.Contains(addr.String()) {
h.logger.Warn("bypass: ", addr)
log.Warn("bypass: ", addr)
return nil
}
@ -142,7 +139,7 @@ func (h *ssuHandler) relayPacket(pc1, pc2 net.PacketConn) (err error) {
return err
}
h.logger.Debugf("%s >>> %s data: %d",
log.Debugf("%s >>> %s data: %d",
pc2.LocalAddr(), addr, n)
return nil
}()
@ -166,7 +163,7 @@ func (h *ssuHandler) relayPacket(pc1, pc2 net.PacketConn) (err error) {
}
if h.options.Bypass != nil && h.options.Bypass.Contains(raddr.String()) {
h.logger.Warn("bypass: ", raddr)
log.Warn("bypass: ", raddr)
return nil
}
@ -174,7 +171,7 @@ func (h *ssuHandler) relayPacket(pc1, pc2 net.PacketConn) (err error) {
return err
}
h.logger.Debugf("%s <<< %s data: %d",
log.Debugf("%s <<< %s data: %d",
pc2.LocalAddr(), raddr, n)
return nil
}()