Minor door updates

core/abracadabra.js

@@ -9,9 +9,11 @@ const ansi              = require('./ansi_term.js');
 const Events            = require('./events.js');
 const { Errors }        = require('./enig_error.js');
 
+//  deps
 const async             = require('async');
 const assert            = require('assert');
 const _                 = require('lodash');
+const paths             = require('path');
 
 const activeDoorNodeInstances = {};
 
@@ -153,7 +155,7 @@ exports.getModule = class AbracadabraModule extends MenuModule {
 
         const exeInfo = {
             cmd             : this.config.cmd,
-            cwd             : this.config.cwd,  //  null/undefined = parent_of(cmd)
+            cwd             : this.config.cwd || paths.dirname(this.config.cmd),
             args            : this.config.args,
             io              : this.config.io || 'stdio',
             encoding        : this.config.encoding || 'cp437',

core/door.js

@@ -71,13 +71,23 @@ module.exports = class Door {
 
         const args = exeInfo.args.map( arg => stringFormat(arg, formatObj) );
 
-        const door = pty.spawn(exeInfo.cmd, args, {
+        this.client.log.debug(
+            { cmd : exeInfo.cmd, args, io : this.io },
+            'Executing door'
+        );
+
+        let door;
+        try {
+            door = pty.spawn(exeInfo.cmd, args, {
                 cols        : this.client.term.termWidth,
                 rows        : this.client.term.termHeight,
                 cwd         : cwd,
                 env         : exeInfo.env,
                 encoding    : null, //  we want to handle all encoding ourself
             });
+        } catch(e) {
+            return cb(e);
+        }
 
         if('stdio' === this.io) {
             this.client.log.debug('Using stdio for door I/O');

core/dropfile.js

@@ -16,6 +16,7 @@ const { mkdirs }    = require('fs-extra');
 
 //
 //  Resources
+//  * https://github.com/NuSkooler/ansi-bbs/tree/master/docs/dropfile_formats
 //  * http://goldfndr.home.mindspring.com/dropfile/
 //  * https://en.wikipedia.org/wiki/Talk%3ADropfile
 //  * http://thoughtproject.com/libraries/bbs/Sysop/Doors/DropFiles/index.htm
@@ -36,7 +37,7 @@ module.exports = class DropFile {
     get fileName() {
         return {
             DOOR            : 'DOOR.SYS',                   //  GAP BBS, many others
-            DOOR32          : 'DOOR32.SYS',                 //  EleBBS / Mystic, Syncronet, Maximus, Telegard, AdeptXBBS, ...
+            DOOR32          : 'door32.sys',                 //  Mystic, EleBBS, Syncronet, Maximus, Telegard, AdeptXBBS (lowercase name as per spec)
             CALLINFO        : 'CALLINFO.BBS',               //  Citadel?
             DORINFO         : this.getDoorInfoFileName(),   //  RBBS, RemoteAccess, QBBS, ...
             CHAIN           : 'CHAIN.TXT',                  //  WWIV
@@ -155,6 +156,7 @@ module.exports = class DropFile {
         //
         //  Resources:
         //  * http://wiki.bbses.info/index.php/DOOR32.SYS
+        //  * https://github.com/NuSkooler/ansi-bbs/blob/master/docs/dropfile_formats/door32_sys.txt
         //
         //  :TODO: local/serial/telnet need to be configurable -- which also changes socket handle!
         const Door32CommTypes = {