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Internal ssh server respect Ciphers, MACs and KeyExchanges settings (#14523) #14530

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Jan 30, 2021
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Internal ssh server respect Ciphers, MACs and KeyExchanges settings (#14523) #14530

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10 changes: 7 additions & 3 deletions modules/ssh/ssh.go
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Original file line number Diff line number Diff line change
Expand Up @@ -196,13 +196,17 @@ func publicKeyHandler(ctx ssh.Context, key ssh.PublicKey) bool {

// Listen starts a SSH server listens on given port.
func Listen(host string, port int, ciphers []string, keyExchanges []string, macs []string) {
// TODO: Handle ciphers, keyExchanges, and macs

srv := ssh.Server{
Addr: fmt.Sprintf("%s:%d", host, port),
PublicKeyHandler: publicKeyHandler,
Handler: sessionHandler,

ServerConfigCallback: func(ctx ssh.Context) *gossh.ServerConfig {
config := &gossh.ServerConfig{}
config.KeyExchanges = keyExchanges
config.MACs = macs
config.Ciphers = ciphers
return config
},
// We need to explicitly disable the PtyCallback so text displays
// properly.
PtyCallback: func(ctx ssh.Context, pty ssh.Pty) bool {
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