//DialServerConn serves in place of ssh.NewServerConn
func DialServerConn(ds time.Duration, con net.Conn, conf *ssh.ServerConfig) (sc *ssh.ServerConn, cs <-chan ssh.NewChannel, rs <-chan *ssh.Request, ex error) {
done := make(chan struct{})
reset := make(chan struct{})
authlog := conf.AuthLogCallback
logger := func(conn ssh.ConnMetadata, method string, err error) {
flux.GoDefer("AuthLogCallback", func() {
flux.GoDefer("AuthLog", func() {
if authlog != nil {
authlog(conn, method, err)
}
})
reset <- struct{}{}
})
}
conf.AuthLogCallback = logger
flux.GoDefer("NewServerConn", func() {
defer close(done)
sc, cs, rs, ex = ssh.NewServerConn(con, conf)
return
})
expiration := threshold(ds)
func() {
nsloop:
for {
select {
case <-done:
expiration = nil
break nsloop
case <-reset:
expiration = threshold(ds)
case <-expiration:
if sc != nil {
sc.Close()
}
sc = nil
cs = nil
rs = nil
ex = fmt.Errorf("Expired NewServerConn call for ip:%+s ", con.RemoteAddr())
break nsloop
}
}
}()
return
}
