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sshd: Better comments

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UlisseMini 2019-01-25 12:23:41 -05:00 committed by Andrey Petrov
parent 40f6957e93
commit e6233daefd
3 changed files with 7 additions and 3 deletions
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1
sshd/logger.go
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@ -5,6 +5,7 @@ import stdlog "log"
var logger *stdlog.Logger var logger *stdlog.Logger
// SetLogger sets the package logging output to use w.
func SetLogger(w io.Writer) { func SetLogger(w io.Writer) {
flags := stdlog.Flags() flags := stdlog.Flags()
prefix := "[sshd] " prefix := "[sshd] "

6
sshd/net.go
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@ -7,7 +7,7 @@ import (
"golang.org/x/crypto/ssh" "golang.org/x/crypto/ssh"
) )
// Container for the connection and ssh-related configuration // SSHListener is the container for the connection and ssh-related configuration
type SSHListener struct { type SSHListener struct {
net.Listener net.Listener
config *ssh.ServerConfig config *ssh.ServerConfig
@ -16,7 +16,7 @@ type SSHListener struct {
HandlerFunc func(term *Terminal) HandlerFunc func(term *Terminal)
} }
// Make an SSH listener socket // ListenSSH makes an SSH listener socket
func ListenSSH(laddr string, config *ssh.ServerConfig) (*SSHListener, error) { func ListenSSH(laddr string, config *ssh.ServerConfig) (*SSHListener, error) {
socket, err := net.Listen("tcp", laddr) socket, err := net.Listen("tcp", laddr)
if err != nil { if err != nil {
@ -43,7 +43,7 @@ func (l *SSHListener) handleConn(conn net.Conn) (*Terminal, error) {
return NewSession(sshConn, channels) return NewSession(sshConn, channels)
} }
// Accept incoming connections as terminal requests and yield them // Serve Accepts incoming connections as terminal requests and yield them
func (l *SSHListener) Serve() { func (l *SSHListener) Serve() {
defer l.Close() defer l.Close()
for { for {

3
sshd/terminal.go
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@ -14,7 +14,10 @@ import (
var keepaliveInterval = time.Second * 30 var keepaliveInterval = time.Second * 30
var keepaliveRequest = "keepalive@ssh-chat" var keepaliveRequest = "keepalive@ssh-chat"
// ErrNoSessionChannel is returned when there is no session channel.
var ErrNoSessionChannel = errors.New("no session channel") var ErrNoSessionChannel = errors.New("no session channel")
// ErrNotSessionChannel is returned when a channel is not a session channel.
var ErrNotSessionChannel = errors.New("terminal requires session channel") var ErrNotSessionChannel = errors.New("terminal requires session channel")
// Connection is an interface with fields necessary to operate an sshd host. // Connection is an interface with fields necessary to operate an sshd host.