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SyncTERM SSH support 

+ Enabled all ssh2-streams supported KEX, ciphers, etc. for now. Will communicate with Deuce about this.
This commit is contained in:
Bryan Ashby 2018-11-04 19:29:51 -07:00
parent 206312302a
commit 25560cb47a
2 changed files with 53 additions and 1 deletions
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51
core/config.js
View File

@ -242,6 +242,57 @@ function getDefaultConfig() {
privateKeyPem : paths.join(__dirname, './../config/ssh_private_key.pem'),
firstMenu : 'sshConnected',
firstMenuNewUser : 'sshConnectedNewUser',
//
// SSH details that can affect security. Stronger ciphers are better for example,
// but terminals such as SyncTERM require KEX diffie-hellman-group14-sha1,
// cipher 3des-cbc, etc.
//
// See https://github.com/mscdex/ssh2-streams for the full list of supported
// algorithms.
//
algorithms : {
kex : [
'ecdh-sha2-nistp256',
'ecdh-sha2-nistp384',
'ecdh-sha2-nistp521',
'diffie-hellman-group-exchange-sha256',
'diffie-hellman-group14-sha1',
'diffie-hellman-group-exchange-sha1',
'diffie-hellman-group1-sha1',
],
cipher : [
'aes128-ctr',
'aes192-ctr',
'aes256-ctr',
'aes128-gcm',
'aes128-gcm@openssh.com',
'aes256-gcm',
'aes256-gcm@openssh.com',
'aes256-cbc',
'aes192-cbc',
'aes128-cbc',
'blowfish-cbc',
'3des-cbc',
'arcfour256',
'arcfour128',
'cast128-cbc',
'arcfour',
],
hmac : [
'hmac-sha2-256',
'hmac-sha2-512',
'hmac-sha1',
'hmac-md5',
'hmac-sha2-256-96',
'hmac-sha2-512-96',
'hmac-ripemd160',
'hmac-sha1-96',
'hmac-md5-96',
],
// note that we disable compression by default due to issues with many clients. YMMV.
compress : [ 'none' ]
},
},
webSocket : {
ws : {

3
core/servers/login/ssh.js
View File

@ -251,12 +251,13 @@ exports.getModule = class SSHServerModule extends LoginServerModule {
ident : 'enigma-bbs-' + enigVersion + '-srv',
// Note that sending 'banner' breaks at least EtherTerm!
debug : (sshDebugLine) => {
if(true === config.loginServers.ssh.traceConnections) {
Log.trace(`SSH: ${sshDebugLine}`);
}
},
algorithms: { compress: ['none'] },
algorithms : config.loginServers.ssh.algorithms,
};
this.server = ssh2.Server(serverConf);