| 1 | /* |
| 2 | Copyright 2018-2022 Intel Corporation |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | var promise = require('promise'); |
| 18 | var duplex = require('stream').Duplex; |
| 19 | |
| 20 | var SW_HIDE = 0; |
| 21 | var SW_MINIMIZE = 6; |
| 22 | var STARTF_USESHOWWINDOW = 0x1; |
| 23 | var STD_INPUT_HANDLE = -10; |
| 24 | var STD_OUTPUT_HANDLE = -11; |
| 25 | var EVENT_CONSOLE_CARET = 0x4001; |
| 26 | var EVENT_CONSOLE_END_APPLICATION = 0x4007; |
| 27 | var WINEVENT_OUTOFCONTEXT = 0x000; |
| 28 | var WINEVENT_SKIPOWNPROCESS = 0x0002; |
| 29 | var CREATE_NEW_PROCESS_GROUP = 0x200; |
| 30 | var EVENT_CONSOLE_UPDATE_REGION = 0x4002; |
| 31 | var EVENT_CONSOLE_UPDATE_SIMPLE = 0x4003; |
| 32 | var EVENT_CONSOLE_UPDATE_SCROLL = 0x4004; |
| 33 | var EVENT_CONSOLE_LAYOUT = 0x4005; |
| 34 | var EVENT_CONSOLE_START_APPLICATION = 0x4006; |
| 35 | var KEY_EVENT = 0x1; |
| 36 | var MAPVK_VK_TO_VSC = 0; |
| 37 | var WM_QUIT = 0x12; |
| 38 | |
| 39 | var GM = require('_GenericMarshal'); |
| 40 | var si = GM.CreateVariable(GM.PointerSize == 4 ? 68 : 104); |
| 41 | var pi = GM.CreateVariable(GM.PointerSize == 4 ? 16 : 24); |
| 42 | |
| 43 | si.Deref(0, 4).toBuffer().writeUInt32LE(GM.PointerSize == 4 ? 68 : 104); // si.cb |
| 44 | si.Deref(GM.PointerSize == 4 ? 48 : 64, 2).toBuffer().writeUInt16LE(SW_HIDE | SW_MINIMIZE); // si.wShowWindow |
| 45 | si.Deref(GM.PointerSize == 4 ? 44 : 60, 4).toBuffer().writeUInt32LE(STARTF_USESHOWWINDOW); // si.dwFlags; |
| 46 | |
| 47 | var MSG = GM.CreateVariable(GM.PointerSize == 4 ? 28 : 48); |
| 48 | |
| 49 | function windows_terminal() { |
| 50 | this._ObjectID = 'windows_terminal'; |
| 51 | this._user32 = GM.CreateNativeProxy('User32.dll'); |
| 52 | this._user32.CreateMethod('DispatchMessageA'); |
| 53 | this._user32.CreateMethod('GetMessageA'); |
| 54 | this._user32.CreateMethod('MapVirtualKeyA'); |
| 55 | this._user32.CreateMethod('PostThreadMessageA'); |
| 56 | this._user32.CreateMethod('SetWinEventHook'); |
| 57 | this._user32.CreateMethod('ShowWindow'); |
| 58 | this._user32.CreateMethod('TranslateMessage'); |
| 59 | this._user32.CreateMethod('UnhookWinEvent'); |
| 60 | this._user32.CreateMethod('VkKeyScanA'); |
| 61 | this._user32.terminal = this; |
| 62 | |
| 63 | this._kernel32 = GM.CreateNativeProxy('Kernel32.dll'); |
| 64 | this._kernel32.CreateMethod('AllocConsole'); |
| 65 | this._kernel32.CreateMethod('CreateProcessA'); |
| 66 | this._kernel32.CreateMethod('CloseHandle'); |
| 67 | this._kernel32.CreateMethod('FillConsoleOutputAttribute'); |
| 68 | this._kernel32.CreateMethod('FillConsoleOutputCharacterA'); |
| 69 | this._kernel32.CreateMethod('GetConsoleScreenBufferInfo'); |
| 70 | this._kernel32.CreateMethod('GetConsoleWindow'); |
| 71 | this._kernel32.CreateMethod('GetLastError'); |
| 72 | this._kernel32.CreateMethod('GetStdHandle'); |
| 73 | this._kernel32.CreateMethod('GetThreadId'); |
| 74 | this._kernel32.CreateMethod('ReadConsoleOutputA'); |
| 75 | this._kernel32.CreateMethod('SetConsoleCursorPosition'); |
| 76 | this._kernel32.CreateMethod('SetConsoleScreenBufferSize'); |
| 77 | this._kernel32.CreateMethod('SetConsoleWindowInfo'); |
| 78 | this._kernel32.CreateMethod('TerminateProcess'); |
| 79 | this._kernel32.CreateMethod('WaitForSingleObject'); |
| 80 | this._kernel32.CreateMethod('WriteConsoleInputA'); |
| 81 | |
| 82 | var currentX = 0; |
| 83 | var currentY = 0; |
| 84 | |
| 85 | this._scrx = 0; |
| 86 | this._scry = 0; |
| 87 | |
| 88 | this.SendCursorUpdate = function () { |
| 89 | var newCsbi = GM.CreateVariable(22); |
| 90 | |
| 91 | if (this._kernel32.GetConsoleScreenBufferInfo(this._stdoutput, newCsbi).Val == 0) { return; } |
| 92 | if (newCsbi.Deref(4, 2).toBuffer().readUInt16LE() != this.currentX || newCsbi.Deref(6, 2).toBuffer().readUInt16LE() != this.currentY) |
| 93 | { |
| 94 | // |
| 95 | // Reference for CONSOLE_SCREEN_BUFFER_INFO can be found at: |
| 96 | // https://learn.microsoft.com/en-us/windows/console/console-screen-buffer-info-str |
| 97 | // |
| 98 | |
| 99 | this.currentX = newCsbi.Deref(4, 2).toBuffer().readUInt16LE(); |
| 100 | this.currentY = newCsbi.Deref(6, 2).toBuffer().readUInt16LE(); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | this.ClearScreen = function () |
| 105 | { |
| 106 | // |
| 107 | // Reference for CONSOLE_SCREEN_BUFFER_INFO can be found at: |
| 108 | // https://learn.microsoft.com/en-us/windows/console/console-screen-buffer-info-str |
| 109 | // |
| 110 | |
| 111 | // |
| 112 | // Reference for GetConsoleScreenBufferInfo can be found at: |
| 113 | // https://learn.microsoft.com/en-us/windows/console/getconsolescreenbufferinfo |
| 114 | // |
| 115 | |
| 116 | // |
| 117 | // Reference for FillConsoleOutputCharacter can be found at: |
| 118 | // https://learn.microsoft.com/en-us/windows/console/fillconsoleoutputcharacter |
| 119 | // |
| 120 | |
| 121 | // |
| 122 | // Reference for FillConsoleOutputAttribute can be found at: |
| 123 | // https://learn.microsoft.com/en-us/windows/console/fillconsoleoutputattribute |
| 124 | // |
| 125 | |
| 126 | // |
| 127 | // Reference for SetConsoleCursorPosition can be found at: |
| 128 | // https://learn.microsoft.com/en-us/windows/console/setconsolecursorposition |
| 129 | // |
| 130 | |
| 131 | // |
| 132 | // Reference for SetConsoleWindowInfo can be fount at: |
| 133 | // https://learn.microsoft.com/en-us/windows/console/setconsolewindowinfo |
| 134 | // |
| 135 | |
| 136 | var CONSOLE_SCREEN_BUFFER_INFO = GM.CreateVariable(22); |
| 137 | if (this._kernel32.GetConsoleScreenBufferInfo(this._stdoutput, CONSOLE_SCREEN_BUFFER_INFO).Val == 0) { return; } |
| 138 | |
| 139 | var coordScreen = GM.CreateVariable(4); |
| 140 | var dwConSize = CONSOLE_SCREEN_BUFFER_INFO.Deref(0, 2).toBuffer().readUInt16LE(0) * CONSOLE_SCREEN_BUFFER_INFO.Deref(2, 2).toBuffer().readUInt16LE(0); |
| 141 | var cCharsWritten = GM.CreateVariable(4); |
| 142 | |
| 143 | // Fill the entire screen with blanks. |
| 144 | if (this._kernel32.FillConsoleOutputCharacterA(this._stdoutput, 32, dwConSize, coordScreen.Deref(0, 4).toBuffer().readUInt32LE(), cCharsWritten).Val == 0) { return; } |
| 145 | |
| 146 | // Get the current text attribute. |
| 147 | if (this._kernel32.GetConsoleScreenBufferInfo(this._stdoutput, CONSOLE_SCREEN_BUFFER_INFO).Val == 0) { return; } |
| 148 | |
| 149 | // Set the buffer's attributes accordingly. |
| 150 | if (this._kernel32.FillConsoleOutputAttribute(this._stdoutput, CONSOLE_SCREEN_BUFFER_INFO.Deref(8, 2).toBuffer().readUInt16LE(0), dwConSize, coordScreen.Deref(0, 4).toBuffer().readUInt32LE(), cCharsWritten).Val == 0) { return; } |
| 151 | |
| 152 | // Put the cursor at its home coordinates. |
| 153 | this._kernel32.SetConsoleCursorPosition(this._stdoutput, coordScreen.Deref(0, 4).toBuffer().readUInt32LE()); |
| 154 | |
| 155 | // Put the window to top-left. |
| 156 | var rect = GM.CreateVariable(8); |
| 157 | var srWindow = CONSOLE_SCREEN_BUFFER_INFO.Deref(10, 8).toBuffer(); |
| 158 | rect.Deref(4, 2).toBuffer().writeUInt16LE(srWindow.readUInt16LE(4) - srWindow.readUInt16LE(0)); |
| 159 | rect.Deref(6, 2).toBuffer().writeUInt16LE(srWindow.readUInt16LE(6) - srWindow.readUInt16LE(2)); |
| 160 | |
| 161 | this._kernel32.SetConsoleWindowInfo(this._stdoutput, 1, rect); |
| 162 | } |
| 163 | |
| 164 | // This does a rudimentary check if the platform is capable of PowerShell |
| 165 | this.PowerShellCapable = function() |
| 166 | { |
| 167 | if (require('os').arch() == 'x64') |
| 168 | { |
| 169 | return (require('fs').existsSync(process.env['windir'] + '\\SysWow64\\WindowsPowerShell\\v1.0\\powershell.exe')); |
| 170 | } |
| 171 | else |
| 172 | { |
| 173 | return (require('fs').existsSync(process.env['windir'] + '\\System32\\WindowsPowerShell\\v1.0\\powershell.exe')); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | // Starts a Legacy Windows Terminal Session |
| 178 | this.StartEx = function Start(CONSOLE_SCREEN_WIDTH, CONSOLE_SCREEN_HEIGHT, terminalTarget) |
| 179 | { |
| 180 | // The older windows terminal does not support |
| 181 | CONSOLE_SCREEN_WIDTH = 80; |
| 182 | CONSOLE_SCREEN_HEIGHT = 25; |
| 183 | |
| 184 | if (this._stream != null) |
| 185 | { |
| 186 | throw ('Concurrent terminal sessions are not supported on Windows.'); |
| 187 | } |
| 188 | this.stopping = null; |
| 189 | if (this._kernel32.GetConsoleWindow().Val == 0) { |
| 190 | if (this._kernel32.AllocConsole().Val == 0) { |
| 191 | throw ('AllocConsole failed with: ' + this._kernel32.GetLastError().Val); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | this._stdinput = this._kernel32.GetStdHandle(STD_INPUT_HANDLE); |
| 196 | this._stdoutput = this._kernel32.GetStdHandle(STD_OUTPUT_HANDLE); |
| 197 | this._connected = false; |
| 198 | |
| 199 | // Coord structure can be found at: https://learn.microsoft.com/en-us/windows/console/coord-str |
| 200 | var coordScreen = GM.CreateVariable(4); |
| 201 | coordScreen.Deref(0, 2).toBuffer().writeUInt16LE(CONSOLE_SCREEN_WIDTH); |
| 202 | coordScreen.Deref(2, 2).toBuffer().writeUInt16LE(CONSOLE_SCREEN_HEIGHT); |
| 203 | |
| 204 | var rect = GM.CreateVariable(8); |
| 205 | rect.Deref(4, 2).toBuffer().writeUInt16LE(CONSOLE_SCREEN_WIDTH - 1); |
| 206 | rect.Deref(6, 2).toBuffer().writeUInt16LE(CONSOLE_SCREEN_HEIGHT - 1); |
| 207 | |
| 208 | // |
| 209 | // Reference for SetConsoleWindowInfo can be found at: |
| 210 | // https://learn.microsoft.com/en-us/windows/console/setconsolewindowinfo |
| 211 | // |
| 212 | if (this._kernel32.SetConsoleWindowInfo(this._stdoutput, 1, rect).Val == 0) |
| 213 | { |
| 214 | throw ('Failed to set Console Screen Size'); |
| 215 | } |
| 216 | |
| 217 | // |
| 218 | // Reference for SetConsoleScreenBufferSize can be found at: |
| 219 | // https://learn.microsoft.com/en-us/windows/console/setconsolescreenbuffersize |
| 220 | // |
| 221 | if (this._kernel32.SetConsoleScreenBufferSize(this._stdoutput, coordScreen.Deref(0, 4).toBuffer().readUInt32LE()).Val == 0) |
| 222 | { |
| 223 | throw ('Failed to set Console Buffer Size'); |
| 224 | } |
| 225 | |
| 226 | // Hide the console window |
| 227 | this._user32.ShowWindow(this._kernel32.GetConsoleWindow().Val, SW_HIDE); |
| 228 | |
| 229 | this.ClearScreen(); |
| 230 | this._hookThread(terminalTarget).then(function () |
| 231 | { |
| 232 | // Hook Ready |
| 233 | this.terminal.StartCommand(this.userArgs[0]); |
| 234 | }, console.log); |
| 235 | this._stream = new duplex( |
| 236 | { |
| 237 | 'write': function (chunk, flush) |
| 238 | { |
| 239 | if (!this.terminal.connected) |
| 240 | { |
| 241 | //console.log('_write: ' + chunk); |
| 242 | if (!this._promise.chunk) |
| 243 | { |
| 244 | this._promise.chunk = []; |
| 245 | } |
| 246 | if (typeof (chunk) == 'string') |
| 247 | { |
| 248 | this._promise.chunk.push(chunk); |
| 249 | } else |
| 250 | { |
| 251 | this._promise.chunk.push(Buffer.alloc(chunk.length)); |
| 252 | chunk.copy(this._promise.chunk.peek()); |
| 253 | } |
| 254 | this._promise.chunk.peek().flush = flush; |
| 255 | this._promise.then(function () |
| 256 | { |
| 257 | var buf; |
| 258 | while (this.chunk.length > 0) |
| 259 | { |
| 260 | buf = this.chunk.shift(); |
| 261 | this.terminal._WriteBuffer(buf); |
| 262 | buf.flush(); |
| 263 | } |
| 264 | }); |
| 265 | } |
| 266 | else |
| 267 | { |
| 268 | //console.log('writeNOW: ' + chunk); |
| 269 | this.terminal._WriteBuffer(chunk); |
| 270 | flush(); |
| 271 | } |
| 272 | return (true); |
| 273 | }, |
| 274 | 'final': function (flush) |
| 275 | { |
| 276 | var p = this.terminal._stop(); |
| 277 | p.__flush = flush; |
| 278 | p.then(function () { this.__flush(); }); |
| 279 | } |
| 280 | }); |
| 281 | this._stream.terminal = this; |
| 282 | this._stream._promise = new promise(function (res, rej) { this._res = res; this._rej = rej; }); |
| 283 | this._stream._promise.terminal = this; |
| 284 | this._stream.prependOnceListener('end', function () |
| 285 | { |
| 286 | this.terminal._stream = null; |
| 287 | }); |
| 288 | return (this._stream); |
| 289 | }; |
| 290 | this.Start = function Start(CONSOLE_SCREEN_WIDTH, CONSOLE_SCREEN_HEIGHT) |
| 291 | { |
| 292 | return (this.StartEx(CONSOLE_SCREEN_WIDTH, CONSOLE_SCREEN_HEIGHT, process.env['windir'] + '\\System32\\cmd.exe')); |
| 293 | } |
| 294 | this.StartPowerShell = function StartPowerShell(CONSOLE_SCREEN_WIDTH, CONSOLE_SCREEN_HEIGHT) |
| 295 | { |
| 296 | if (require('os').arch() == 'x64') |
| 297 | { |
| 298 | if (require('fs').existsSync(process.env['windir'] + '\\System32\\WindowsPowerShell\\v1.0\\powershell.exe')) |
| 299 | { |
| 300 | return (this.StartEx(CONSOLE_SCREEN_WIDTH, CONSOLE_SCREEN_HEIGHT, process.env['windir'] + '\\System32\\WindowsPowerShell\\v1.0\\powershell.exe')); |
| 301 | } |
| 302 | else |
| 303 | { |
| 304 | return (this.StartEx(CONSOLE_SCREEN_WIDTH, CONSOLE_SCREEN_HEIGHT, process.env['windir'] + '\\SysWow64\\WindowsPowerShell\\v1.0\\powershell.exe')); |
| 305 | } |
| 306 | } |
| 307 | else |
| 308 | { |
| 309 | return (this.StartEx(CONSOLE_SCREEN_WIDTH, CONSOLE_SCREEN_HEIGHT, process.env['windir'] + '\\System32\\WindowsPowerShell\\v1.0\\powershell.exe')); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | this._stop = function () { |
| 314 | if (this.stopping) { return (this.stopping); } |
| 315 | //console.log('Stopping Terminal...'); |
| 316 | this._ConsoleWinEventProc.removeAllListeners('GlobalCallback'); |
| 317 | this.stopping = new promise(function (res, rej) { this._res = res; this._rej = rej; }); |
| 318 | |
| 319 | var threadID = this._kernel32.GetThreadId(this._user32.SetWinEventHook.async.thread()).Val; |
| 320 | this._user32.PostThreadMessageA(threadID, WM_QUIT, 0, 0); |
| 321 | this._stream.emit('end'); |
| 322 | return (this.stopping); |
| 323 | } |
| 324 | |
| 325 | // |
| 326 | // This function uses the SetWinEventHook() method, so we can hook |
| 327 | // All events between EVENT_CONSOLE_CARET and EVENT_CONSOLE_END_APPLICATION |
| 328 | // |
| 329 | this._hookThread = function () |
| 330 | { |
| 331 | // |
| 332 | // Reference for SetWinEventHook() can be found at: |
| 333 | // https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwineventhook |
| 334 | // |
| 335 | var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; }); |
| 336 | ret.userArgs = []; |
| 337 | for (var a in arguments) |
| 338 | { |
| 339 | ret.userArgs.push(arguments[a]); |
| 340 | } |
| 341 | ret.terminal = this; |
| 342 | this._ConsoleWinEventProc = GM.GetGenericGlobalCallback(7); |
| 343 | this._ConsoleWinEventProc.terminal = this; |
| 344 | var p = this._user32.SetWinEventHook.async(EVENT_CONSOLE_CARET, EVENT_CONSOLE_END_APPLICATION, 0, this._ConsoleWinEventProc, 0, 0, WINEVENT_OUTOFCONTEXT | WINEVENT_SKIPOWNPROCESS); |
| 345 | p.ready = ret; |
| 346 | p.terminal = this; |
| 347 | p.then(function (hwinEventHook) |
| 348 | { |
| 349 | if (hwinEventHook.Val == 0) |
| 350 | { |
| 351 | this.ready._rej('Error calling SetWinEventHook'); |
| 352 | } else |
| 353 | { |
| 354 | this.terminal.hwinEventHook = hwinEventHook; |
| 355 | this.ready._res(); |
| 356 | this.terminal._GetMessage(); |
| 357 | } |
| 358 | }); |
| 359 | |
| 360 | // |
| 361 | // This is the WINEVENTPROC callback for the WinEventHook we set |
| 362 | // |
| 363 | this._ConsoleWinEventProc.on('GlobalCallback', function (hhook, dwEvent, hwnd, idObject, idChild, idEventThread, swmsEventTime) |
| 364 | { |
| 365 | // |
| 366 | // Reference for WINEVENTPROC can be found at: |
| 367 | // https://learn.microsoft.com/en-us/windows/win32/api/winuser/nc-winuser-wineventproc |
| 368 | // |
| 369 | if (!this.terminal.hwinEventHook || this.terminal.hwinEventHook.Val != hhook.Val) { return; } |
| 370 | var buffer = null; |
| 371 | |
| 372 | // |
| 373 | // Reference for Console WinEvents can be found at: |
| 374 | // https://learn.microsoft.com/en-us/windows/console/console-winevents |
| 375 | // |
| 376 | |
| 377 | switch (dwEvent.Val) |
| 378 | { |
| 379 | case EVENT_CONSOLE_CARET: |
| 380 | // The console caret has moved |
| 381 | break; |
| 382 | case EVENT_CONSOLE_UPDATE_REGION: |
| 383 | // More than one character has changed |
| 384 | if (!this.terminal.connected) { |
| 385 | this.terminal.connected = true; |
| 386 | this.terminal._stream._promise._res(); |
| 387 | } |
| 388 | if (this.terminal._scrollTimer == null) { |
| 389 | buffer = this.terminal._GetScreenBuffer(LOWORD(idObject.Val), HIWORD(idObject.Val), LOWORD(idChild.Val), HIWORD(idChild.Val)); |
| 390 | //console.log('UPDATE REGION: [Left: ' + LOWORD(idObject.Val) + ' Top: ' + HIWORD(idObject.Val) + ' Right: ' + LOWORD(idChild.Val) + ' Bottom: ' + HIWORD(idChild.Val) + ']'); |
| 391 | this.terminal._SendDataBuffer(buffer); |
| 392 | } |
| 393 | break; |
| 394 | case EVENT_CONSOLE_UPDATE_SIMPLE: |
| 395 | // A single character has changed |
| 396 | //console.log('UPDATE SIMPLE: [X: ' + LOWORD(idObject.Val) + ' Y: ' + HIWORD(idObject.Val) + ' Char: ' + LOWORD(idChild.Val) + ' Attr: ' + HIWORD(idChild.Val) + ']'); |
| 397 | var simplebuffer = { data: [ Buffer.alloc(1, LOWORD(idChild.Val)) ], attributes: [ HIWORD(idChild.Val) ], width: 1, height: 1, x: LOWORD(idObject.Val), y: HIWORD(idObject.Val) }; |
| 398 | this.terminal._SendDataBuffer(simplebuffer); |
| 399 | break; |
| 400 | case EVENT_CONSOLE_UPDATE_SCROLL: |
| 401 | // The console has scrolled |
| 402 | //console.log('UPDATE SCROLL: [dx: ' + idObject.Val + ' dy: ' + idChild.Val + ']'); |
| 403 | this.terminal._SendScroll(idObject.Val, idChild.Val); |
| 404 | break; |
| 405 | case EVENT_CONSOLE_LAYOUT: |
| 406 | // The console layout has changed. |
| 407 | //console.log('CONSOLE_LAYOUT'); |
| 408 | //snprintf( Buf, 512, "Event Console LAYOUT!\r\n"); |
| 409 | //SendLayout(); |
| 410 | break; |
| 411 | case EVENT_CONSOLE_START_APPLICATION: |
| 412 | // A new console process has started |
| 413 | //console.log('START APPLICATION: [PID: ' + idObject.Val + ' CID: ' + idChild.Val + ']'); |
| 414 | //snprintf( Buf, 512, "Event Console START APPLICATION!\r\nProcess ID: %d - Child ID: %d\r\n\r\n", (int)idObject, (int)idChild); |
| 415 | //SendConsoleEvent(dwEvent, idObject, idChild); |
| 416 | break; |
| 417 | case EVENT_CONSOLE_END_APPLICATION: |
| 418 | // A console process has exited |
| 419 | if (idObject.Val == this.terminal._hProcessID) |
| 420 | { |
| 421 | //console.log('END APPLICATION: [PID: ' + idObject.Val + ' CID: ' + idChild.Val + ']'); |
| 422 | this.terminal._hProcess = null; |
| 423 | this.terminal._stop().then(function () { console.log('STOPPED'); }); |
| 424 | } |
| 425 | break; |
| 426 | default: |
| 427 | //snprintf(Buf, 512, "unknown console event.\r\n"); |
| 428 | console.log('Unknown event: ' + dwEvent.Val); |
| 429 | break; |
| 430 | } |
| 431 | |
| 432 | //mbstowcs_s(&l, wBuf, Buf, 512); |
| 433 | //OutputDebugString(wBuf); |
| 434 | |
| 435 | }); |
| 436 | return (ret); |
| 437 | } |
| 438 | |
| 439 | // Retrieves a message from the calling thread's message queue |
| 440 | this._GetMessage = function () |
| 441 | { |
| 442 | // |
| 443 | // Reference for GetMessage() can be found at: |
| 444 | // https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getmessage |
| 445 | // |
| 446 | |
| 447 | // |
| 448 | // Reference for TranslateMessage() can be found at: |
| 449 | // https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-translatemessage |
| 450 | // |
| 451 | |
| 452 | // |
| 453 | // Reference for DispatchMessage() can be found at: |
| 454 | // https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-dispatchmessage |
| 455 | // |
| 456 | |
| 457 | if (this._user32.abort) { console.log('aborting loop'); return; } |
| 458 | this._user32.GetMessageA.async(this._user32.SetWinEventHook.async, MSG, 0, 0, 0).then(function (ret) |
| 459 | { |
| 460 | //console.log('GetMessage Response'); |
| 461 | if (ret.Val != 0) |
| 462 | { |
| 463 | if (ret.Val == -1) |
| 464 | { |
| 465 | // handle the error and possibly exit |
| 466 | } |
| 467 | else |
| 468 | { |
| 469 | // Translates virtual-key messages into character messages |
| 470 | //console.log('TranslateMessage'); |
| 471 | this.nativeProxy._user32.TranslateMessage.async(this.nativeProxy.user32.SetWinEventHook.async, MSG).then(function () |
| 472 | { |
| 473 | // Dispatches a message to a window procedure |
| 474 | //console.log('DispatchMessage'); |
| 475 | this.nativeProxy._user32.DispatchMessageA.async(this.nativeProxy.user32.SetWinEventHook.async, MSG).then(function () |
| 476 | { |
| 477 | this.nativeProxy.terminal._GetMessage(); |
| 478 | }, console.log); |
| 479 | }, console.log); |
| 480 | } |
| 481 | } else |
| 482 | { |
| 483 | this.nativeProxy.UnhookWinEvent.async(this.nativeProxy.terminal._user32.SetWinEventHook.async, this.nativeProxy.terminal.hwinEventHook) |
| 484 | .then(function () |
| 485 | { |
| 486 | if (this.nativeProxy.terminal._hProcess == null) { return; } |
| 487 | |
| 488 | this.nativeProxy.terminal.stopping._res(); |
| 489 | if (this.nativeProxy.terminal._kernel32.TerminateProcess(this.nativeProxy.terminal._hProcess, 1067).Val == 0) |
| 490 | { |
| 491 | var e = this.nativeProxy.terminal._kernel32.GetLastError().Val; |
| 492 | console.log('Unable to kill Terminal Process, error: ' + e); |
| 493 | } |
| 494 | this.nativeProxy.terminal.stopping = null; |
| 495 | }, function (err) |
| 496 | { |
| 497 | console.log('REJECTED_UnhookWinEvent: ' + err); |
| 498 | }); |
| 499 | } |
| 500 | }, function (err) |
| 501 | { |
| 502 | // Get Message Failed |
| 503 | console.log('REJECTED_GETMessage: ' + err); |
| 504 | }); |
| 505 | } |
| 506 | |
| 507 | this._WriteBuffer = function (buf) |
| 508 | { |
| 509 | for (var i = 0; i < buf.length; ++i) |
| 510 | { |
| 511 | if (typeof (buf) == 'string') |
| 512 | { |
| 513 | this._WriteCharacter(buf.charCodeAt(i), false); |
| 514 | } else |
| 515 | { |
| 516 | this._WriteCharacter(buf[i], false); |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | this._WriteCharacter = function (key, bControlKey) |
| 521 | { |
| 522 | // |
| 523 | // Reference for WriteConsoleInput() can be found at: |
| 524 | // https://learn.microsoft.com/en-us/windows/console/writeconsoleinput |
| 525 | // |
| 526 | |
| 527 | // |
| 528 | // Reference for INPUT_RECORD can be found at: |
| 529 | // https://learn.microsoft.com/en-us/windows/console/input-record-str |
| 530 | // |
| 531 | |
| 532 | var rec = GM.CreateVariable(20); |
| 533 | rec.Deref(0, 2).toBuffer().writeUInt16LE(KEY_EVENT); // rec.EventType |
| 534 | rec.Deref(4, 4).toBuffer().writeUInt16LE(1); // rec.Event.KeyEvent.bKeyDown |
| 535 | rec.Deref(16, 4).toBuffer().writeUInt32LE(bControlKey); // rec.Event.KeyEvent.dwControlKeyState |
| 536 | rec.Deref(14, 1).toBuffer()[0] = key; // rec.Event.KeyEvent.uChar.AsciiChar |
| 537 | rec.Deref(8, 2).toBuffer().writeUInt16LE(1); // rec.Event.KeyEvent.wRepeatCount |
| 538 | rec.Deref(10, 2).toBuffer().writeUInt16LE(this._user32.VkKeyScanA(key).Val); // rec.Event.KeyEvent.wVirtualKeyCode |
| 539 | rec.Deref(12, 2).toBuffer().writeUInt16LE(this._user32.MapVirtualKeyA(this._user32.VkKeyScanA(key).Val, MAPVK_VK_TO_VSC).Val); |
| 540 | |
| 541 | var dwWritten = GM.CreateVariable(4); |
| 542 | if (this._kernel32.WriteConsoleInputA(this._stdinput, rec, 1, dwWritten).Val == 0) { return (false); } |
| 543 | |
| 544 | rec.Deref(4, 4).toBuffer().writeUInt16LE(0); // rec.Event.KeyEvent.bKeyDown |
| 545 | return (this._kernel32.WriteConsoleInputA(this._stdinput, rec, 1, dwWritten).Val != 0); |
| 546 | } |
| 547 | |
| 548 | // Get the current visible screen buffer |
| 549 | this._GetScreenBuffer = function (sx, sy, ex, ey) |
| 550 | { |
| 551 | // |
| 552 | // Reference for GetConsoleScreenBufferInfo() can be found at: |
| 553 | // https://learn.microsoft.com/en-us/windows/console/getconsolescreenbufferinfo |
| 554 | // |
| 555 | |
| 556 | // |
| 557 | // Reference for ReadConsoleOutput() can be found at: |
| 558 | // https://learn.microsoft.com/en-us/windows/console/readconsoleoutput |
| 559 | // |
| 560 | |
| 561 | var info = GM.CreateVariable(22); |
| 562 | if (this._kernel32.GetConsoleScreenBufferInfo(this._stdoutput, info).Val == 0) { throw ('Error getting screen buffer info'); } |
| 563 | |
| 564 | var nWidth = info.Deref(14, 2).toBuffer().readUInt16LE() - info.Deref(10, 2).toBuffer().readUInt16LE() + 1; |
| 565 | var nHeight = info.Deref(16, 2).toBuffer().readUInt16LE() - info.Deref(12, 2).toBuffer().readUInt16LE() + 1; |
| 566 | |
| 567 | if (arguments[3] == null) |
| 568 | { |
| 569 | // Use Default Parameters |
| 570 | sx = 0; |
| 571 | sy = 0; |
| 572 | ex = nWidth - 1; |
| 573 | ey = nHeight - 1; |
| 574 | } else |
| 575 | { |
| 576 | if (this._scrx != 0) { sx += this._scrx; ex += this._scrx; } |
| 577 | if (this._scry != 0) { sy += this._scry; ey += this._scry; } |
| 578 | this._scrx = this._scry = 0; |
| 579 | } |
| 580 | |
| 581 | var nBuffer = GM.CreateVariable((ex - sx + 1) * (ey - sy + 1) * 4); |
| 582 | var size = GM.CreateVariable(4); |
| 583 | size.Deref(0, 2).toBuffer().writeUInt16LE(ex - sx + 1, 0); |
| 584 | size.Deref(2, 2).toBuffer().writeUInt16LE(ey - sy + 1, 0); |
| 585 | |
| 586 | var startCoord = GM.CreateVariable(4); |
| 587 | startCoord.Deref(0, 2).toBuffer().writeUInt16LE(0, 0); |
| 588 | startCoord.Deref(2, 2).toBuffer().writeUInt16LE(0, 0); |
| 589 | |
| 590 | var region = GM.CreateVariable(8); |
| 591 | region.buffer = region.toBuffer(); |
| 592 | region.buffer.writeUInt16LE(sx, 0); |
| 593 | region.buffer.writeUInt16LE(sy, 2); |
| 594 | region.buffer.writeUInt16LE(ex, 4); |
| 595 | region.buffer.writeUInt16LE(ey, 6); |
| 596 | |
| 597 | if (this._kernel32.ReadConsoleOutputA(this._stdoutput, nBuffer, size.Deref(0, 4).toBuffer().readUInt32LE(), startCoord.Deref(0, 4).toBuffer().readUInt32LE(), region).Val == 0) |
| 598 | { |
| 599 | throw ('Unable to read Console Output'); |
| 600 | } |
| 601 | |
| 602 | // Lets convert the buffer into something simpler |
| 603 | //var retVal = { data: Buffer.alloc((dw - dx + 1) * (dh - dy + 1)), attributes: Buffer.alloc((dw - dx + 1) * (dh - dy + 1)), width: dw - dx + 1, height: dh - dy + 1, x: dx, y: dy }; |
| 604 | |
| 605 | var retVal = { data: [], attributes: [], width: ex - sx + 1, height: ey - sy + 1, x: sx, y: sy }; |
| 606 | var x, y, line, ifo, tmp, lineWidth = ex - sx + 1; |
| 607 | |
| 608 | for (y = 0; y <= (ey - sy) ; ++y) |
| 609 | { |
| 610 | retVal.data.push(Buffer.alloc(lineWidth)); |
| 611 | retVal.attributes.push(Buffer.alloc(lineWidth)); |
| 612 | |
| 613 | line = nBuffer.Deref(y * lineWidth * 4, lineWidth * 4).toBuffer(); |
| 614 | for (x = 0; x < lineWidth; ++x) |
| 615 | { |
| 616 | retVal.data.peek()[x] = line[x * 4]; |
| 617 | retVal.attributes.peek()[x] = line[2 + (x * 4)]; |
| 618 | } |
| 619 | } |
| 620 | |
| 621 | return (retVal); |
| 622 | } |
| 623 | |
| 624 | this._SendDataBuffer = function (data) |
| 625 | { |
| 626 | // { data, attributes, width, height, x, y } |
| 627 | if (this._stream != null) |
| 628 | { |
| 629 | var dy, line, attr; |
| 630 | for (dy = 0; dy < data.height; ++dy) |
| 631 | { |
| 632 | line = data.data[dy]; |
| 633 | attr = data.attributes[dy]; |
| 634 | line.s = line.toString(); |
| 635 | |
| 636 | //line = data.data.slice(data.width * dy, (data.width * dy) + data.width); |
| 637 | //attr = data.attributes.slice(data.width * dy, (data.width * dy) + data.width); |
| 638 | this._stream.push(TranslateLine(data.x + 1, data.y + dy + 1, line, attr)); |
| 639 | } |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | this._SendScroll = function _SendScroll(dx, dy) |
| 644 | { |
| 645 | // |
| 646 | // Reference for GetConsoleScreenBufferInfo() can be found at: |
| 647 | // https://learn.microsoft.com/en-us/windows/console/getconsolescreenbufferinfo |
| 648 | // |
| 649 | |
| 650 | if (this._scrollTimer || this._stream == null) { return; } |
| 651 | |
| 652 | var info = GM.CreateVariable(22); |
| 653 | if (this._kernel32.GetConsoleScreenBufferInfo(this._stdoutput, info).Val == 0) { throw ('Error getting screen buffer info'); } |
| 654 | |
| 655 | var nWidth = info.Deref(14, 2).toBuffer().readUInt16LE() - info.Deref(10, 2).toBuffer().readUInt16LE() + 1; |
| 656 | var nHeight = info.Deref(16, 2).toBuffer().readUInt16LE() - info.Deref(12, 2).toBuffer().readUInt16LE() + 1; |
| 657 | |
| 658 | this._stream.push(GetEsc('H', [nHeight - 1, 0])); |
| 659 | for (var i = 0; i > nHeight; ++i) { this._stream.push(Buffer.from('\r\n')); } |
| 660 | |
| 661 | var buffer = this._GetScreenBuffer(0, 0, nWidth - 1, nHeight - 1); |
| 662 | this._SendDataBuffer(buffer); |
| 663 | |
| 664 | this._scrollTimer = setTimeout(function (self, nw, nh) { |
| 665 | var buffer = self._GetScreenBuffer(0, 0, nw - 1, nh - 1); |
| 666 | self._SendDataBuffer(buffer); |
| 667 | self._scrollTimer = null; |
| 668 | }, 250, this, nWidth, nHeight); |
| 669 | } |
| 670 | |
| 671 | this.StartCommand = function StartCommand(target) { |
| 672 | if (this._kernel32.CreateProcessA(GM.CreateVariable(target), 0, 0, 0, 1, CREATE_NEW_PROCESS_GROUP, 0, 0, si, pi).Val == 0) |
| 673 | { |
| 674 | console.log('Error Spawning CMD'); |
| 675 | return; |
| 676 | } |
| 677 | |
| 678 | this._kernel32.CloseHandle(pi.Deref(GM.PointerSize, GM.PointerSize).Deref()); // pi.hThread |
| 679 | this._hProcess = pi.Deref(0, GM.PointerSize).Deref(); // pi.hProcess |
| 680 | this._hProcessID = pi.Deref(GM.PointerSize == 4 ? 8 : 16, 4).toBuffer().readUInt32LE(); // pi.dwProcessId |
| 681 | //console.log('Ready => hProcess: ' + this._hProcess._ptr + ' PID: ' + this._hProcessID); |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | function LOWORD(val) { return (val & 0xFFFF); } |
| 686 | function HIWORD(val) { return ((val >> 16) & 0xFFFF); } |
| 687 | function GetEsc(op, args) { return (Buffer.from('\x1B[' + args.join(';') + op)); } |
| 688 | function MeshConsole(msg) { require('MeshAgent').SendCommand({ "action": "msg", "type": "console", "value": JSON.stringify(msg) }); } |
| 689 | function TranslateLine(x, y, data, attributes) |
| 690 | { |
| 691 | var i, fcolor, bcolor, rcolor, fbright, bbright, lastAttr, fc, bc, rc, fb, bb, esc = [], output = [GetEsc('H', [y, x])]; |
| 692 | if (typeof attributes == 'number') { attributes = [attributes]; } // If we get a single attribute, turn it into an array. |
| 693 | |
| 694 | for (i = 0; i < data.length; i++) |
| 695 | { |
| 696 | if (lastAttr != attributes[i]) |
| 697 | { // To boost performance, if the attribute is the same as the last one, skip this entire part. |
| 698 | fc = (attributes[i] & 0x0007); |
| 699 | fc = ((fc & 0x0001) << 2) + (fc & 0x0002) + ((fc & 0x0004) >> 2); // Foreground color |
| 700 | bc = (attributes[i] & 0x0070) >> 4; |
| 701 | bc = ((bc & 0x0001) << 2) + (bc & 0x0002) + ((bc & 0x0004) >> 2); // Background color |
| 702 | rc = (attributes[i] & 0x4000); // Reverse color set |
| 703 | fb = (attributes[i] & 0x0008) >> 3; // Bright foreground set |
| 704 | bb = (attributes[i] & 0x0080); // Bright background set |
| 705 | |
| 706 | if (rc != rcolor) { if (rc != 0) { esc.push(7); } else { esc.push(0); fcolor = 7; bcolor = 0; fbright = 0; bbright = 0; } rcolor = rc; } // Reverse Color |
| 707 | if (fc != fcolor) { esc.push(fc + 30); fcolor = fc; } // Set the foreground color if needed |
| 708 | if (bc != bcolor) { esc.push(bc + 40); bcolor = bc; } // Set the background color if needed |
| 709 | if (fb != fbright) { esc.push(2 - fb); fbright = fb; } // Set the bright foreground color if needed |
| 710 | if (bb != bbright) { if (bb == 0) { esc.push(bcolor + 40); } else { esc.push(bcolor + 100); bbright = bb; } } // Set bright Background color if needed |
| 711 | |
| 712 | if (esc.length > 0) { output.push(GetEsc('m', esc)); esc = []; } |
| 713 | lastAttr = attributes[i]; |
| 714 | } |
| 715 | output.push(Buffer.from(String.fromCharCode(data[i]))); |
| 716 | } |
| 717 | |
| 718 | return Buffer.concat(output); |
| 719 | } |
| 720 | |
| 721 | module.exports = new windows_terminal(); |