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* Various code cleanup

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* Fix term size fallback bug exposed with rxvt/telnet
* Fix bug in term env request
This commit is contained in:
Bryan Ashby 2015-07-04 15:21:50 -06:00
parent 13d104c840
commit 9715d31ac2
3 changed files with 25 additions and 25 deletions
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35
core/servers/telnet.js
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@ -586,6 +586,8 @@ TelnetClient.prototype.handleSbCommand = function(evt) {
'Environment variable already exists');
} else {
self.term.env[name] = evt.envVars[name];
Log.debug(
{ varName : name, value : evt.envVars[name] }, 'New environment variable');
}
}
});
@ -599,11 +601,11 @@ TelnetClient.prototype.handleSbCommand = function(evt) {
self.term.termHeight = evt.height;
if(evt.width > 0) {
self.term.env['COLUMNS'] = evt.height;
self.term.env.COLUMNS = evt.height;
}
if(evt.height > 0) {
self.term.env['ROWS'] = evt.height;
self.term.env.ROWS = evt.height;
}
Log.debug({ termWidth : evt.width , termHeight : evt.height, source : 'NAWS' }, 'Window size updated');
@ -640,21 +642,17 @@ TelnetClient.prototype.handleMiscCommand = function(evt) {
};
TelnetClient.prototype.requestTerminalType = function() {
var buf = Buffer([ COMMANDS.IAC, COMMANDS.SB, OPTIONS.TERMINAL_TYPE, SB_COMMANDS.SEND, COMMANDS.IAC, COMMANDS.SE ]);
/*
var buf = Buffer(6);
buf[0] = COMMANDS.IAC;
buf[1] = COMMANDS.SB;
buf[2] = OPTIONS.TERMINAL_TYPE;
buf[3] = SB_COMMANDS.SEND;
buf[4] = COMMANDS.IAC;
buf[5] = COMMANDS.SE;
*/
var buf = new Buffer( [
COMMANDS.IAC,
COMMANDS.SB,
OPTIONS.TERMINAL_TYPE,
SB_COMMANDS.SEND,
COMMANDS.IAC,
COMMANDS.SE ]);
return this.output.write(buf);
};
var WANTED_ENVIRONMENT_VARIABLES = [ 'LINES', 'COLUMNS', 'TERM' ];
var WANTED_ENVIRONMENT_VARIABLES = [ 'LINES', 'COLUMNS', 'TERM', 'TERM_PROGRAM' ];
TelnetClient.prototype.requestEnvironmentVariables = function() {
var bufs = buffers();
@ -662,7 +660,8 @@ TelnetClient.prototype.requestEnvironmentVariables = function() {
bufs.push(new Buffer([ COMMANDS.IAC, COMMANDS.SB, OPTIONS.NEW_ENVIRONMENT, SB_COMMANDS.SEND ]));
for(var i = 0; i < WANTED_ENVIRONMENT_VARIABLES.length; ++i) {
bufs.push(new Buffer( [ ENVIRONMENT_VARIABLES_COMMANDS.VAR ]));
//bufs.push(new Buffer( [ ENVIRONMENT_VARIABLES_COMMANDS.VAR ]));
bufs.push(new Buffer( [ NEW_ENVIRONMENT_COMMANDS.VAR ] ));
bufs.push(new Buffer(WANTED_ENVIRONMENT_VARIABLES[i])); // :TODO: encoding here?! UTF-8 will work, but shoudl be more explicit
}
@ -688,19 +687,19 @@ TelnetClient.prototype.banner = function() {
this.do.window_size();
this.do.new_environment();
}
};
function Command(command, client) {
this.command = COMMANDS[command.toUpperCase()];
this.client = client;
};
}
// Create Command objects with echo, transmit_binary, ...
Object.keys(OPTIONS).forEach(function(name) {
var code = OPTIONS[name];
Command.prototype[name.toLowerCase()] = function() {
var buf = Buffer(3);
var buf = new Buffer(3);
buf[0] = COMMANDS.IAC;
buf[1] = this.command;
buf[2] = code;