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GeezerVison is showing github.com — reactos/base/shell/cmd/internal.c at master · reactos/reactos Expand file tree/ Copy pathinternal.cMore file actions 713 lines (626 loc) · 17.7 KB / Copy pathinternal.cFile metadata and controls713 lines (626 loc) · 17.7 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 /* * INTERNAL.C - command.com internal commands. * * * History: * * 17/08/94 (Tim Norman) * started. * * 08/08/95 (Matt Rains) * i have cleaned up the source code. changes now bring this source into * guidelines for recommended programming practice. * * cd() * started. * * dir() * i have added support for file attributes to the DIR() function. the * routine adds "d" (directory) and "r" (read only) output. files with the * system attribute have the filename converted to lowercase. files with * the hidden attribute are not displayed. * * i have added support for directorys. now if the directory attribute is * detected the file size if replaced with the string "<dir>". * * ver() * started. * * md() * started. * * rd() * started. * * del() * started. * * does not support wildcard selection. * * todo: add delete directory support. * add recursive directory delete support. * * ren() * started. * * does not support wildcard selection. * * todo: add rename directory support. * * a general structure has been used for the cd, rd and md commands. this * will be better in the long run. it is too hard to maintain such diverse * functions when you are involved in a group project like this. * * 12/14/95 (Tim Norman) * fixed DIR so that it will stick \*.* if a directory is specified and * that it will stick on .* if a file with no extension is specified or * *.* if it ends in a \ * * 1/6/96 (Tim Norman) * added an isatty call to DIR so it won't prompt for keypresses unless * stdin and stdout are the console. * * changed parameters to be mutually consistent to make calling the * functions easier * * rem() * started. * * doskey() * started. * * 01/22/96 (Oliver Mueller) * error messages are now handled by perror. * * 02/05/96 (Tim Norman) * converted all functions to accept first/rest parameters * * 07/26/96 (Tim Norman) * changed return values to int instead of void * * path() started. * * 12/23/96 (Aaron Kaufman) * rewrote dir() to mimic MS-DOS's dir * * 01/28/97 (Tim Norman) * cleaned up Aaron's DIR code * * 06/13/97 (Tim Norman) * moved DIR code to dir.c * re-implemented Aaron's DIR code * * 06/14/97 (Steffan Kaiser) * ctrl-break handling * bug fixes * * 27-Jul-1998 (John P Price <[email protected]>) * added config.h include * * 03-Dec-1998 (Eric Kohl) * Replaced DOS calls by Win32 calls. * * 08-Dec-1998 (Eric Kohl) * Added help texts ("/?"). * * 18-Dec-1998 (Eric Kohl) * Added support for quoted arguments (cd "program files"). * * 07-Jan-1999 (Eric Kohl) * Clean up. * * 26-Jan-1999 (Eric Kohl) * Replaced remaining CRT io functions by Win32 io functions. * Unicode safe! * * 30-Jan-1999 (Eric Kohl) * Added "cd -" feature. Changes to the previous directory. * * 15-Mar-1999 (Eric Kohl) * Fixed bug in "cd -" feature. If the previous directory was a root * directory, it was ignored. * * 23-Feb-2001 (Carl Nettelblad <[email protected]>) * Improved chdir/cd command. * * 02-Apr-2004 (Magnus Olsen <[email protected]>) * Remove all hard code string so they can be * translate to other langues. * * 19-Jul-2005 (Brandon Turner <[email protected]>) * Rewrite the CD, it working as Windows 2000 CMD * * 19-Jul-2005 (Magnus Olsen <[email protected]>) * Add SetRootPath and GetRootPath * * 14-Jul-2007 (Pierre Schweitzer <[email protected]>) * Added commands help display to help command (ex. : "help cmd") */ #include "precomp.h" #ifdef INCLUDE_CMD_CHDIR /* * Helper function for getting the current path from drive * without changing the drive. Return code: 0 = ok, 1 = fail. * 'InPath' can have any size; if the two first letters are * not a drive with ':' it will get the current path on * the current drive exactly as GetCurrentDirectory() does. */ INT GetRootPath( IN LPCTSTR InPath, OUT LPTSTR OutPath, IN INT size) { if (InPath[0] && InPath[1] == _T(':')) { INT t = 0; if ((InPath[0] >= _T('0')) && (InPath[0] <= _T('9'))) { t = (InPath[0] - _T('0')) + 28; } else if ((InPath[0] >= _T('a')) && (InPath[0] <= _T('z'))) { t = (InPath[0] - _T('a')) + 1; } else if ((InPath[0] >= _T('A')) && (InPath[0] <= _T('Z'))) { t = (InPath[0] - _T('A')) + 1; } return (_tgetdcwd(t, OutPath, size) == NULL); } /* Get current directory */ return !GetCurrentDirectory(size, OutPath); } BOOL SetRootPath(TCHAR *oldpath, TCHAR *InPath) { DWORD dwLastError; TCHAR OutPath[MAX_PATH]; TCHAR OutPathTemp[MAX_PATH]; StripQuotes(InPath); /* Retrieve the full path name from the (possibly relative) InPath */ if (GetFullPathName(InPath, ARRAYSIZE(OutPathTemp), OutPathTemp, NULL) == 0) { dwLastError = GetLastError(); goto Fail; } if (bEnableExtensions) { /* * Convert the full path to its correct case, and * resolve any wilcard present as well in the path * and retrieve the first result. * Example: c:\windows\SYSTEM32 => C:\WINDOWS\System32 * Example: C:\WINDOWS\S* => C:\WINDOWS\System, * or C:\WINDOWS\System32, depending on the user's OS. */ GetPathCase(OutPathTemp, OutPath); } else { _tcscpy(OutPath, OutPathTemp); } /* Use _tchdir(), since unlike SetCurrentDirectory() it updates * the current-directory-on-drive environment variables. */ if (_tchdir(OutPath) != 0) { dwLastError = GetLastError(); if (dwLastError == ERROR_FILE_NOT_FOUND) dwLastError = ERROR_PATH_NOT_FOUND; goto Fail; } /* Keep the original drive in ordinary CD/CHDIR (without /D switch) */ if (oldpath != NULL && _tcsncicmp(OutPath, oldpath, 2) != 0) SetCurrentDirectory(oldpath); return TRUE; Fail: ConErrFormatMessage(dwLastError); nErrorLevel = 1; return FALSE; } /* * CD / CHDIR */ INT cmd_chdir(LPTSTR param) { BOOL bChangeDrive = FALSE; LPTSTR tmp; TCHAR szCurrent[MAX_PATH]; /* Filter out special cases first */ /* Print help */ if (!_tcsncmp(param, _T("/?"), 2)) { ConOutResPaging(TRUE, STRING_CD_HELP); return 0; } // // FIXME: Use the split() tokenizer if bEnableExtensions == FALSE, // so as to cut the parameter at the first separator (space, ',', ';'): // - When bEnableExtensions == FALSE, doing // CD system32;winsxs // will go into system32, (but: CD "system32;winsxs" will fail as below), while // - When bEnableExtensions == TRUE, it will fail because the "system32;winsxs" // directory does not exist. // /* Remove extra quotes */ StripQuotes(param); if (bEnableExtensions) { /* Strip trailing whitespace */ tmp = param + _tcslen(param) - 1; while (tmp > param && _istspace(*tmp)) --tmp; *(tmp + 1) = _T('\0'); } /* Reset the error level */ nErrorLevel = 0; /* Print the current directory on a disk */ if (_tcslen(param) == 2 && param[1] == _T(':')) { if (GetRootPath(param, szCurrent, ARRAYSIZE(szCurrent))) { error_invalid_drive(); return 1; } ConOutPrintf(_T("%s\n"), szCurrent); return 0; } /* Get the current directory */ GetCurrentDirectory(ARRAYSIZE(szCurrent), szCurrent); if (param[0] == _T('\0')) { ConOutPrintf(_T("%s\n"), szCurrent); return 0; } /* If the input string is prefixed with the /D switch, change the drive */ if (!_tcsncicmp(param, _T("/D"), 2)) { bChangeDrive = TRUE; param += 2; while (_istspace(*param)) ++param; } if (!SetRootPath(bChangeDrive ? NULL : szCurrent, param)) { nErrorLevel = 1; return 1; } return 0; } #endif #ifdef INCLUDE_CMD_MKDIR /* Helper function for mkdir to make directories in a path. Don't use the api to decrease dependence on libs */ BOOL MakeFullPath(TCHAR * DirPath) { TCHAR path[MAX_PATH]; TCHAR *p = DirPath; INT_PTR n; if (CreateDirectory(DirPath, NULL)) return TRUE; else if (GetLastError() != ERROR_PATH_NOT_FOUND) return FALSE; /* got ERROR_PATH_NOT_FOUND, so try building it up one component at a time */ if (p[0] && p[1] == _T(':')) p += 2; while (*p == _T('\\')) p++; /* skip drive root */ do { p = _tcschr(p, _T('\\')); n = p ? p++ - DirPath : _tcslen(DirPath); _tcsncpy(path, DirPath, n); path[n] = _T('\0'); if ( !CreateDirectory(path, NULL) && (GetLastError() != ERROR_ALREADY_EXISTS)) { return FALSE; } } while (p != NULL); return TRUE; } /* * MD / MKDIR */ INT cmd_mkdir (LPTSTR param) { LPTSTR *p; INT argc, i; DWORD dwLastError; if (!_tcsncmp (param, _T("/?"), 2)) { ConOutResPaging(TRUE,STRING_MKDIR_HELP); return 0; } p = split (param, &argc, FALSE, FALSE); if (argc == 0) { ConErrResPuts(STRING_ERROR_REQ_PARAM_MISSING); freep(p); nErrorLevel = 1; return 1; } nErrorLevel = 0; for (i = 0; i < argc; i++) { if (!MakeFullPath(p[i])) { dwLastError = GetLastError(); switch (dwLastError) { case ERROR_PATH_NOT_FOUND: ConErrResPuts(STRING_MD_ERROR2); break; case ERROR_FILE_EXISTS: case ERROR_ALREADY_EXISTS: ConErrResPrintf(STRING_MD_ERROR, p[i]); break; default: ErrorMessage(GetLastError(), NULL); } nErrorLevel = 1; } } freep (p); return nErrorLevel; } #endif #ifdef INCLUDE_CMD_RMDIR /* * RD / RMDIR */ BOOL DeleteFolder(LPTSTR Directory) { LPTSTR pFileName; HANDLE hFile; WIN32_FIND_DATA f; DWORD dwAttribs; TCHAR szFullPath[MAX_PATH]; _tcscpy(szFullPath, Directory); pFileName = &szFullPath[_tcslen(szFullPath)]; /* * Append a path separator if we don't have one already, and if this a drive root * path is not specified (paths like "C:" mean the current directory on drive C:). */ if (*szFullPath && *(pFileName - 1) != _T(':') && *(pFileName - 1) != _T('\\')) *pFileName++ = _T('\\'); _tcscpy(pFileName, _T("*")); hFile = FindFirstFile(szFullPath, &f); if (hFile != INVALID_HANDLE_VALUE) { do { /* Check Breaker */ if (bCtrlBreak) break; if (!_tcscmp(f.cFileName, _T(".")) || !_tcscmp(f.cFileName, _T(".."))) { continue; } _tcscpy(pFileName, f.cFileName); dwAttribs = f.dwFileAttributes; if (dwAttribs & FILE_ATTRIBUTE_DIRECTORY) { if (!DeleteFolder(szFullPath)) { /* Couldn't delete the file, print out the error */ ErrorMessage(GetLastError(), szFullPath); /* Continue deleting files/subfolders */ } } else { /* Force file deletion even if it's read-only */ if (dwAttribs & FILE_ATTRIBUTE_READONLY) SetFileAttributes(szFullPath, dwAttribs & ~FILE_ATTRIBUTE_READONLY); if (!DeleteFile(szFullPath)) { /* Couldn't delete the file, print out the error */ ErrorMessage(GetLastError(), szFullPath); /* Restore file attributes */ SetFileAttributes(szFullPath, dwAttribs); /* Continue deleting files/subfolders */ } } } while (FindNextFile(hFile, &f)); FindClose(hFile); } /* Ignore directory deletion if the user pressed Ctrl-C */ if (bCtrlBreak) return TRUE; /* * Detect whether we are trying to delete a pure root drive (e.g. "C:\\", but not "C:"); * if so, just return success. Otherwise the RemoveDirectory() call below would fail * and return ERROR_ACCESS_DENIED. */ if (GetFullPathName(Directory, ARRAYSIZE(szFullPath), szFullPath, NULL) == 3 && szFullPath[1] == _T(':') && szFullPath[2] == _T('\\')) { return TRUE; } /* First attempt to delete the directory */ if (RemoveDirectory(Directory)) return TRUE; /* * It failed; if it was due to an denied access, check whether it was * due to the directory being read-only. If so, remove its attribute * and retry deletion. */ if (GetLastError() == ERROR_ACCESS_DENIED) { /* Force directory deletion even if it's read-only */ dwAttribs = GetFileAttributes(Directory); if (dwAttribs & FILE_ATTRIBUTE_READONLY) { SetFileAttributes(Directory, dwAttribs & ~FILE_ATTRIBUTE_READONLY); return RemoveDirectory(Directory); } } return FALSE; } INT cmd_rmdir(LPTSTR param) { INT nError = 0; INT res; LPTSTR *arg; INT args; INT dirCount; INT i; TCHAR ch; BOOL bRecurseDir = FALSE; BOOL bQuiet = FALSE; if (!_tcsncmp(param, _T("/?"), 2)) { ConOutResPaging(TRUE,STRING_RMDIR_HELP); return 0; } arg = split(param, &args, FALSE, FALSE); dirCount = 0; /* Check for options anywhere in command line */ for (i = 0; i < args; i++) { if (*arg[i] == _T('/')) { /* Found an option, but check to make sure it has something after it */ if (_tcslen(arg[i]) == 2) { ch = _totupper(arg[i][1]); if (ch == _T('S')) bRecurseDir = TRUE; else if (ch == _T('Q')) bQuiet = TRUE; } } else { dirCount++; } } if (dirCount == 0) { /* No folder to remove */ error_req_param_missing(); freep(arg); return 1; } for (i = 0; i < args; i++) { if (*arg[i] == _T('/')) continue; if (bRecurseDir) { /* Ask the user whether to delete everything in the folder */ if (!bQuiet) { res = FilePromptYNA(STRING_DEL_HELP2); if (res == PROMPT_NO || res == PROMPT_BREAK) { nError = 1; continue; } if (res == PROMPT_ALL) bQuiet = TRUE; } res = DeleteFolder(arg[i]); } else { /* Without /S, do not force directory deletion even if it's read-only */ res = RemoveDirectory(arg[i]); } if (!res) { /* Couldn't delete the folder, print out the error */ nError = GetLastError(); ErrorMessage(nError, NULL); } } freep(arg); return nError; } #endif /* * Either exits the command interpreter, or quits the current batch context. */ /* Enable this define for supporting EXIT /B even when extensions are disabled */ // #define SUPPORT_EXIT_B_NO_EXTENSIONS INT CommandExit(LPTSTR param) { if (!_tcsncmp(param, _T("/?"), 2)) { ConOutResPaging(TRUE, STRING_EXIT_HELP); /* Just make sure we don't exit */ bExit = FALSE; return 0; } if (_tcsnicmp(param, _T("/B"), 2) == 0) { param += 2; /* * If a current batch file is running, exit it, * otherwise exit this command interpreter instance. */ if (bc) { /* Windows' CMD compatibility: Use GOTO :EOF */ TCHAR EofLabel[] = _T(":EOF"); #ifdef SUPPORT_EXIT_B_NO_EXTENSIONS /* * Temporarily enable extensions so as to support :EOF. * * Our GOTO implementation ensures that, when extensions are * enabled and the label is ':EOF', no immediate change of batch * context (done e.g. via ExitBatch() calls) is performed. * This will therefore ensure that we do not spoil the extensions * state when we restore it below. */ BOOL bOldEnableExtensions = bEnableExtensions; bEnableExtensions = TRUE; #endif cmd_goto(EofLabel); #ifdef SUPPORT_EXIT_B_NO_EXTENSIONS /* Restore the original state of the extensions */ bEnableExtensions = bOldEnableExtensions; #endif } else { bExit = TRUE; } } else { /* Exit this command interpreter instance */ bExit = TRUE; } /* Search for an optional exit code */ while (_istspace(*param)) ++param; /* Set the errorlevel to the exit code */ if (_istdigit(*param)) { nErrorLevel = _ttoi(param); // if (fSingleCommand == 1) return nErrorLevel; } return (bExit ? nErrorLevel : 0); } #ifdef INCLUDE_CMD_REM /* * does nothing */ INT CommandRem (LPTSTR param) { if (_tcsstr(param, _T("/?")) == param) { ConOutResPaging(TRUE,STRING_REM_HELP); } return 0; } #endif /* INCLUDE_CMD_REM */ INT CommandShowCommands(LPTSTR param) { PrintCommandList(); return 0; } /* EOF */ |
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