src/emulator/commands/cat.js

@@ -23,9 +23,6 @@ module.exports = (argv, terminal) => {
             terminal.writeln(`${argv[0]}: ${file}: no such file or directory`);
             return;
         }
-        if (!fs.accessSync(file, fs.constants.R_OK)) {
-            terminal.writeln(`${argv[0]}: read ${file}: access denied`);
-        }
         const lines = fs.readFileSync(file).toString().split('\n');
         
         if (numbers) {

src/emulator/commands/index.js

@@ -8,6 +8,7 @@ let cmds = {
     'wget': require('./wget'),
     'export_file': require('./export_file'),
     'import_file': require('./import_file'),
+    'zsh': require('./zsh'),
     'ps': require('./ps'),
     'clear': require('./clear'),
     'rm': require('./rm'),
@@ -15,10 +16,6 @@ let cmds = {
     'exit': require('./exit'),
     'systemctl': require('./systemctl'),
     'set-hostname': require('./set-hostname.js'),
-    
-    // funny stuff
-    'su': require('./su'),
-    'zsh': require('./zsh'),
 
 
     'guide': require('./guide'),

src/emulator/commands/set-hostname.js

@@ -1,6 +1,7 @@
 const { Terminal } = require("xterm");
 
-const orig_ip = data.ip;
+const original_data = Object.freeze(data);
+global.orig = original_data;
 
 /**
  * 
@@ -8,26 +9,22 @@ const orig_ip = data.ip;
  * @param {Terminal} terminal 
  */
 module.exports = (argv, terminal, zsh) => {
-    if (argv.indexOf('--help') !== -1 | (!argv[1])) {
-        terminal.writeln(`Usage: ${argv[0]} [hostname] [-R] [--help]
-    -R      Reset it to original IP (${orig_ip})
+    if (argv.indexOf('--help') !== -1) {
+        terminal.writeln(`
+Usage: ${argv[0]} [hostname] [-R] [--help]
+    -R      Reset it to original IP (${original_data.ip})
     --help  Show this page`
         );
         return 0;
     }
 
     if (argv.indexOf('-R') !== -1) {
-        data.ip = orig_ip;
+        data.ip = original_data.ip;
         zsh.update_prompt();
         return 0;
     }
 
-    if (argv[1] == 'blek.codes') {
-        terminal.writeln(`${argv[0]}: cannot set hostname to ${argv[1]}: permission denied (you are not on blek.codes you moron)`);
-        return 1;
-    }
-
-    data.ip = argv[1];
+    data.ip = argv[1] || 'resume.js';
     zsh.update_prompt();
     return 0;
 }

src/emulator/commands/su.js

@@ -1,62 +0,0 @@
-const { Terminal } = require("xterm");
-const sleep = require("../../lib/sleep");
-
-/**
- * @param {string[]} argv
- * @param {Terminal} terminal
- */
-module.exports = async (argv, terminal, zsh) => {
-    if (argv.indexOf('--help') !== -1) {
-        terminal.writeln(
-            `Usage: ${argv[0]} [options] [<user>]` + '\n' +
-            'Change the user ID and group ID to <user>\'s.' + '\n' +
-            '\n' +
-            'If <user> is not giver, root is assumed.' + '\n' +
-            'This command is an easter egg. Try to guess the root\'s password!'
-        );
-        return;
-    }
-
-    const user = argv[1] || 'root';
-    const users = Object.freeze(['root', 'daemon', 'bin', 'sys', 'adm', 'nobody', 'lpd', 'lp', 'ipsec', 'user']);
-
-    if (users.indexOf(user) == -1) {
-        terminal.writeln(`${argv[0]}: user ${user} does not exist or the user entry does not contain all the required fields`);
-        return 2;
-    }
-
-    terminal.write('Password: ');
-    /** @type {string} */
-    const pass = await zsh.get_stdin({hide: true});
-    const some_random_array = new Uint16Array([12319, 14486, 12589, 13232]);
-    let checksum = new Uint32Array(pass.length);
-
-    let i = 0;
-    for (const letter of pass) {
-        checksum[i] = letter.charCodeAt(0) * 128;
-        checksum[i] += (i*8) - letter.charCodeAt(0);
-        i++;
-    }
-    i = undefined;
-
-    console.log(checksum, some_random_array);
-
-    let valid = true;
-    if (checksum.length == some_random_array.length)
-        for (let i = 0; i != some_random_array.length; i++) {
-            if (checksum[i] != some_random_array[i])
-                valid = false;
-        }
-    else
-        valid = false;
-
-    console.log(valid);
-
-    if (valid) {
-        terminal.writeln('yay, you did it!! congratulations :3');
-    } else {
-        await sleep(3000);
-        terminal.writeln('su: Authentication failure');
-        return 1;
-    }
-}

src/emulator/fs.js

@@ -19,6 +19,4 @@ if (!fs.existsSync('dev'))
     }
 })();
 
-ufs.constants = fs.constants;
-
 module.exports = ufs;

src/emulator/zsh.js

@@ -8,6 +8,13 @@ global.fs = fs;
 const cmds = require('./commands');
 const sleep = require('../lib/sleep');
 
+// ZSH api to be used in commands (see references)
+const zshapi = {
+    update_prompt,
+    text_prompt,
+    pr_char
+};
+
 /**
  * @type { Terminal }
  */
@@ -18,16 +25,6 @@ let terminal;
  */
 let dom;
 
-// ZSH api to be used in commands (see references)
-const zshapi = {
-    update_prompt,
-    text_prompt,
-    pr_char,
-    get_stdin,
-    terminal,
-    dom,
-};
-
 let prompt = `\x1b[1;32muser@${data.ip} \x1b[36m~ $ \x1b[0m`;
 let cmd = '';
 let lastcmd = window.sessionStorage.getItem('last_cmd') || '';
@@ -40,69 +37,6 @@ function text_prompt() {
     return prompt.replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '');
 }
 
-let stdin_open = false;
-
-/**
- * 
- * @param {{hide: boolean}} opt 
- * @returns 
- */
-async function get_stdin(opt) {
-
-    if (opt == undefined) opt = {};
-
-    if (stdin_open) {
-        return 0;
-    }
-    stdin_open = true;
-
-    let input = '';
-
-    const get_char = function(e) {
-        if (break_loop) return;
-
-        /** @type {KeyboardEvent} */
-        const dom = e.domEvent;
-
-        const startX = terminal.buffer.active.cursorX;
-
-        if ((dom.key.length == 1 && !(dom.ctrlKey || dom.altKey))) {
-            // non-special key
-            if (!opt.hide) terminal.write(dom.key);
-            input += dom.key;
-        } else {
-            // special key
-            switch (dom.keyCode) {
-                case 8:
-                    if (terminal.buffer.active.cursorX <= startX && (!opt.hide)) break;
-                    if (!opt.hide) terminal.write('\b \b');
-                    input = input.substring(0, input.length - 1);
-                    break;
-                case 13:
-                    break_loop = true;
-                    terminal.write('\n');
-                    break;
-                case 68:
-                    if (dom.ctrlKey && dom.key.toLowerCase() == 'd') {
-                        terminal.write('\x1b[0m\x1b[49m^D\x1b[0m');
-                        break_loop = true;
-                    }
-            }
-        }
-    }
-    let break_loop = false
-
-    terminal.onKey(get_char)
-
-    while (1) {
-        await sleep(5);
-        if (break_loop) break;
-    }
-
-    stdin_open = false;
-    return input;
-}
-
 /**
  * 
  * @param { string } char 
@@ -156,10 +90,13 @@ async function exec_cmd() {
     }
 
     if (cmds[command] != undefined) {
+        const startY = terminal.buffer.normal.cursorY
 
-        // execute command
         await cmds[command](c.split(' '), terminal, zshapi);
 
+        if (terminal.buffer.active.cursorX != 0 && startY != terminal.buffer.active.cursorY) {
+            terminal.write('\033[30;47m%\033[0m\n');
+        }
         print_prompt();
         return;
     }
@@ -232,13 +169,6 @@ async function control_char(id, dom) {
             terminal.write(lastcmd);
             break;
         
-        case 40:
-            if (cmd == '') break;
-            lastcmd = cmd;
-            reprint_prompt();
-            cmd = '';
-            break;
-
         // Ctrl+c
         case 67:
             if (dom.ctrlKey) {
@@ -264,7 +194,6 @@ async function control_char(id, dom) {
         
         case 68:
             if (dom.ctrlKey && dom.key.toLowerCase() == 'd') {
-                alert('you are a moron. zsh runs with PID 1');
                 terminal.writeln('');
                 pr_char = () => {};
                 exec_cmd = pr_char;
@@ -292,8 +221,6 @@ async function control_char(id, dom) {
 }
 
 function key(e) {
-    if (stdin_open) return;
-
     /** @type {KeyboardEvent} */
     const dom = e.domEvent;
     if (dom.key.length == 1 && !(dom.ctrlKey || dom.altKey)) {

src/resume.html

@@ -5,7 +5,7 @@
         <meta charset="utf-8" />
         <link rel="stylesheet" href="standalone_page.css" />
         <script>
-            let data = {
+            var data = {
                 ip: '127.0.0.1'
             }
         </script>