programs/wcmd/wcmdmain.c

   1 /*
   2  * WCMD - Wine-compatible command line interface.
   3  *
   4  * Copyright (C) 1999 - 2001 D A Pickles
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * FIXME:
  23  * - Cannot handle parameters in quotes
  24  * - Lots of functionality missing from builtins
  25  */
  26
  27 #include "wcmd.h"
  28
  29 char *inbuilt[] = {"ATTRIB", "CALL", "CD", "CHDIR", "CLS", "COPY", "CTTY",
  30                 "DATE", "DEL", "DIR", "ECHO", "ERASE", "FOR", "GOTO",
  31                 "HELP", "IF", "LABEL", "MD", "MKDIR", "MOVE", "PATH", "PAUSE",
  32                 "PROMPT", "REM", "REN", "RENAME", "RD", "RMDIR", "SET", "SHIFT",
  33                 "TIME", "TITLE", "TYPE", "VERIFY", "VER", "VOL", "EXIT"  };
  34
  35 HINSTANCE hinst;
  36 DWORD errorlevel;
  37 int echo_mode = 1, verify_mode = 0;
  38 char nyi[] = "Not Yet Implemented\n\n";
  39 char newline[] = "\n";
  40 char version_string[] = "WCMD Version 0.17\n\n";
  41 char anykey[] = "Press any key to continue: ";
  42 char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
  43 BATCH_CONTEXT *context = NULL;
  44
  45 /*****************************************************************************
  46  * Main entry point. This is a console application so we have a main() not a
  47  * winmain().
  48  */
  49
  50 int main (int argc, char *argv[]) {
  51
  52 char string[1024], args[MAX_PATH], param[MAX_PATH];
  53 int status, i;
  54 DWORD count;
  55 HANDLE h;
  56
  57   args[0] = param[0] = '\0';
  58   if (argc > 1) {
  59     for (i=1; i<argc; i++) {
  60       if (argv[i][0] == '/') {
  61         strcat (args, argv[i]);
  62       }
  63       else {
  64         strcat (param, argv[i]);
  65         strcat (param, " ");
  66       }
  67     }
  68   }
  69
  70 /*
  71  *      Allocate a console and set it up.
  72  */
  73
  74   status = FreeConsole ();
  75   if (!status) WCMD_print_error();
  76   status = AllocConsole();
  77   if (!status) WCMD_print_error();
  78   SetConsoleMode (GetStdHandle(STD_INPUT_HANDLE), ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT |
  79         ENABLE_PROCESSED_INPUT);
  80   SetConsoleTitle("Wine Command Prompt");
  81
  82 /*
  83  *      Execute any command-line options.
  84  */
  85
  86   if (strstr(args, "/q") != NULL) {
  87     WCMD_echo ("OFF");
  88   }
  89
  90   if (strstr(args, "/c") != NULL) {
  91     WCMD_process_command (param);
  92     return 0;
  93   }
  94
  95   if (strstr(args, "/k") != NULL) {
  96     WCMD_process_command (param);
  97   }
  98
  99 /*
 100  *      If there is an AUTOEXEC.BAT file, try to execute it.
 101  */
 102
 103   GetFullPathName ("\\autoexec.bat", sizeof(string), string, NULL);
 104   h = CreateFile (string, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 105   if (h != INVALID_HANDLE_VALUE) {
 106     CloseHandle (h);
 107 #if 0
 108     WCMD_batch (string, " ");
 109 #endif
 110   }
 111
 112 /*
 113  *      Loop forever getting commands and executing them.
 114  */
 115
 116   WCMD_version ();
 117   while (TRUE) {
 118     WCMD_show_prompt ();
 119     ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
 120     if (count > 1) {
 121       string[count-1] = '\0';           /* ReadFile output is not null-terminated! */
 122       if (string[count-2] == '\r') string[count-2] = '\0'; /* Under Windoze we get CRLF! */
 123       if (lstrlen (string) != 0) {
 124         if (strchr(string,'|') != NULL) {
 125           WCMD_pipe (string);
 126         }
 127         else {
 128           WCMD_process_command (string);
 129         }
 130       }
 131     }
 132   }
 133 }
 134
 135
 136 /*****************************************************************************
 137  * Process one command. If the command is EXIT this routine does not return.
 138  * We will recurse through here executing batch files.
 139  */
 140
 141
 142 void WCMD_process_command (char *command) {
 143
 144 char cmd[1024];
 145 char *p;
 146 int status, i;
 147 DWORD count;
 148 HANDLE old_stdin = 0, old_stdout = 0, h;
 149 char *whichcmd;
 150
 151
 152 /*
 153  *      Expand up environment variables.
 154  */
 155
 156     status = ExpandEnvironmentStrings (command, cmd, sizeof(cmd));
 157     if (!status) {
 158       WCMD_print_error ();
 159       return;
 160     }
 161
 162 /*
 163  *      Changing default drive has to be handled as a special case.
 164  */
 165
 166     if ((cmd[1] == ':') && IsCharAlpha (cmd[0]) && (strlen(cmd) == 2)) {
 167       status = SetCurrentDirectory (cmd);
 168       if (!status) WCMD_print_error ();
 169       return;
 170     }
 171
 172     /* Dont issue newline WCMD_output (newline);           @JED*/
 173
 174 /*
 175  *      Redirect stdin and/or stdout if required.
 176  */
 177
 178     if ((p = strchr(cmd,'<')) != NULL) {
 179       h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_READ, 0, NULL, OPEN_EXISTING,
 180                 FILE_ATTRIBUTE_NORMAL, NULL);
 181       if (h == INVALID_HANDLE_VALUE) {
 182         WCMD_print_error ();
 183         return;
 184       }
 185       old_stdin = GetStdHandle (STD_INPUT_HANDLE);
 186       SetStdHandle (STD_INPUT_HANDLE, h);
 187     }
 188     if ((p = strchr(cmd,'>')) != NULL) {
 189       h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 190                 FILE_ATTRIBUTE_NORMAL, NULL);
 191       if (h == INVALID_HANDLE_VALUE) {
 192         WCMD_print_error ();
 193         return;
 194       }
 195       old_stdout = GetStdHandle (STD_OUTPUT_HANDLE);
 196       SetStdHandle (STD_OUTPUT_HANDLE, h);
 197       *--p = '\0';
 198     }
 199     if ((p = strchr(cmd,'<')) != NULL) *p = '\0';
 200
 201 /*
 202  * Strip leading whitespaces, and a '@' if supplied
 203  */
 204     whichcmd = WCMD_strtrim_leading_spaces(cmd);
 205     if (whichcmd[0] == '@') whichcmd++;
 206
 207 /*
 208  *      Check if the command entered is internal. If it is, pass the rest of the
 209  *      line down to the command. If not try to run a program.
 210  */
 211
 212     count = 0;
 213     while (IsCharAlphaNumeric(whichcmd[count])) {
 214       count++;
 215     }
 216     for (i=0; i<=WCMD_EXIT; i++) {
 217       if (CompareString (LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT,
 218           whichcmd, count, inbuilt[i], -1) == 2) break;
 219     }
 220     p = WCMD_strtrim_leading_spaces (&whichcmd[count]);
 221     WCMD_parse (p, quals, param1, param2);
 222     switch (i) {
 223
 224       case WCMD_ATTRIB:
 225         WCMD_setshow_attrib ();
 226         break;
 227       case WCMD_CALL:
 228         WCMD_batch (param1, p, 1);
 229         break;
 230       case WCMD_CD:
 231       case WCMD_CHDIR:
 232         WCMD_setshow_default ();
 233         break;
 234       case WCMD_CLS:
 235         WCMD_clear_screen ();
 236         break;
 237       case WCMD_COPY:
 238         WCMD_copy ();
 239         break;
 240       case WCMD_CTTY:
 241         WCMD_change_tty ();
 242         break;
 243       case WCMD_DATE:
 244         WCMD_setshow_date ();
 245         break;
 246       case WCMD_DEL:
 247       case WCMD_ERASE:
 248         WCMD_delete (0);
 249         break;
 250       case WCMD_DIR:
 251         WCMD_directory ();
 252         break;
 253       case WCMD_ECHO:
 254         /* Use the unstripped version of the following data - step over the space */
 255         /* but only if a parameter follows                                        */
 256         if (strlen(&whichcmd[count]) > 0)
 257           WCMD_echo(&whichcmd[count+1]);
 258         else
 259           WCMD_echo(&whichcmd[count]);
 260         break;
 261       case WCMD_FOR:
 262         WCMD_for (p);
 263         break;
 264       case WCMD_GOTO:
 265         WCMD_goto ();
 266         break;
 267       case WCMD_HELP:
 268         WCMD_give_help (p);
 269         break;
 270       case WCMD_IF:
 271         WCMD_if (p);
 272         break;
 273       case WCMD_LABEL:
 274         WCMD_volume (1, p);
 275         break;
 276       case WCMD_MD:
 277       case WCMD_MKDIR:
 278         WCMD_create_dir ();
 279         break;
 280       case WCMD_MOVE:
 281         WCMD_move ();
 282         break;
 283       case WCMD_PATH:
 284         WCMD_setshow_path ();
 285         break;
 286       case WCMD_PAUSE:
 287         WCMD_pause ();
 288         break;
 289       case WCMD_PROMPT:
 290         WCMD_setshow_prompt ();
 291         break;
 292       case WCMD_REM:
 293         break;
 294       case WCMD_REN:
 295       case WCMD_RENAME:
 296         WCMD_rename ();
 297         break;
 298       case WCMD_RD:
 299       case WCMD_RMDIR:
 300         WCMD_remove_dir ();
 301         break;
 302       case WCMD_SET:
 303         WCMD_setshow_env (p);
 304         break;
 305       case WCMD_SHIFT:
 306         WCMD_shift ();
 307         break;
 308       case WCMD_TIME:
 309         WCMD_setshow_time ();
 310         break;
 311       case WCMD_TITLE:
 312         if (strlen(&whichcmd[count]) > 0)
 313           WCMD_title(&whichcmd[count+1]);
 314         break;
 315       case WCMD_TYPE:
 316         WCMD_type ();
 317         break;
 318       case WCMD_VER:
 319         WCMD_version ();
 320         break;
 321       case WCMD_VERIFY:
 322         WCMD_verify (p);
 323         break;
 324       case WCMD_VOL:
 325         WCMD_volume (0, p);
 326         break;
 327       case WCMD_EXIT:
 328         ExitProcess (0);
 329       default:
 330         WCMD_run_program (whichcmd);
 331     };
 332     if (old_stdin) {
 333       CloseHandle (GetStdHandle (STD_INPUT_HANDLE));
 334       SetStdHandle (STD_INPUT_HANDLE, old_stdin);
 335     }
 336     if (old_stdout) {
 337       CloseHandle (GetStdHandle (STD_OUTPUT_HANDLE));
 338       SetStdHandle (STD_OUTPUT_HANDLE, old_stdout);
 339     }
 340   }
 341
 342 /******************************************************************************
 343  * WCMD_run_program
 344  *
 345  *      Execute a command line as an external program. If no extension given then
 346  *      precedence is given to .BAT files. Must allow recursion.
 347  *
 348  *      FIXME: Case sensitivity in suffixes!
 349  */
 350
 351 void WCMD_run_program (char *command) {
 352
 353 STARTUPINFO st;
 354 PROCESS_INFORMATION pe;
 355 SHFILEINFO psfi;
 356 DWORD console;
 357 BOOL status;
 358 HANDLE h;
 359 HINSTANCE hinst;
 360 char filetorun[MAX_PATH];
 361
 362   WCMD_parse (command, quals, param1, param2);  /* Quick way to get the filename */
 363   if (strpbrk (param1, "\\:") == NULL) {        /* No explicit path given */
 364     if ((strchr (param1, '.') == NULL) || (strstr (param1, ".bat") != NULL)) {
 365       if (SearchPath (NULL, param1, ".bat", sizeof(filetorun), filetorun, NULL)) {
 366         WCMD_batch (filetorun, command, 0);
 367         return;
 368       }
 369     }
 370   }
 371   else {                                        /* Explicit path given */
 372     if (strstr (param1, ".bat") != NULL) {
 373       WCMD_batch (param1, command, 0);
 374       return;
 375     }
 376     if (strchr (param1, '.') == NULL) {
 377       strcpy (filetorun, param1);
 378       strcat (filetorun, ".bat");
 379       h = CreateFile (filetorun, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 380       if (h != INVALID_HANDLE_VALUE) {
 381         CloseHandle (h);
 382         WCMD_batch (param1, command, 0);
 383         return;
 384       }
 385     }
 386   }
 387
 388         /* No batch file found, assume executable */
 389
 390   hinst = FindExecutable (param1, NULL, filetorun);
 391   if ((int)hinst < 32) {
 392     WCMD_print_error ();
 393     return;
 394   }
 395   console = SHGetFileInfo (filetorun, 0, &psfi, sizeof(psfi), SHGFI_EXETYPE);
 396   if (!console) {
 397     WCMD_print_error ();
 398     return;
 399   }
 400   ZeroMemory (&st, sizeof(STARTUPINFO));
 401   st.cb = sizeof(STARTUPINFO);
 402   status = CreateProcess (NULL, command, NULL, NULL, FALSE,
 403                  0, NULL, NULL, &st, &pe);
 404   if (!status) {
 405     WCMD_print_error ();
 406   }
 407   if (!HIWORD(console)) WaitForSingleObject (pe.hProcess, INFINITE);
 408   GetExitCodeProcess (pe.hProcess, &errorlevel);
 409   if (errorlevel == STILL_ACTIVE) errorlevel = 0;
 410 }
 411
 412 /******************************************************************************
 413  * WCMD_show_prompt
 414  *
 415  *      Display the prompt on STDout
 416  *
 417  */
 418
 419 void WCMD_show_prompt () {
 420
 421 int status;
 422 char out_string[MAX_PATH], curdir[MAX_PATH], prompt_string[MAX_PATH];
 423 char *p, *q;
 424
 425   status = GetEnvironmentVariable ("PROMPT", prompt_string, sizeof(prompt_string));
 426   if ((status == 0) || (status > sizeof(prompt_string))) {
 427     lstrcpy (prompt_string, "$N$G");
 428   }
 429   p = prompt_string;
 430   q = out_string;
 431   *q = '\0';
 432   while (*p != '\0') {
 433     if (*p != '$') {
 434       *q++ = *p++;
 435       *q = '\0';
 436     }
 437     else {
 438       p++;
 439       switch (toupper(*p)) {
 440         case '$':
 441           *q++ = '$';
 442           break;
 443         case 'B':
 444           *q++ = '|';
 445           break;
 446         case 'D':
 447           GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, NULL, NULL, q, MAX_PATH);
 448           while (*q) q++;
 449           break;
 450         case 'E':
 451           *q++ = '\E';
 452           break;
 453         case 'G':
 454           *q++ = '>';
 455           break;
 456         case 'L':
 457           *q++ = '<';
 458           break;
 459         case 'N':
 460           status = GetCurrentDirectory (sizeof(curdir), curdir);
 461           if (status) {
 462             *q++ = curdir[0];
 463           }
 464           break;
 465         case 'P':
 466           status = GetCurrentDirectory (sizeof(curdir), curdir);
 467           if (status) {
 468             lstrcat (q, curdir);
 469             while (*q) q++;
 470           }
 471           break;
 472         case 'Q':
 473           *q++ = '=';
 474           break;
 475         case 'T':
 476           GetTimeFormat (LOCALE_USER_DEFAULT, 0, NULL, NULL, q, MAX_PATH);
 477           while (*q) q++;
 478           break;
 479         case '_':
 480           *q++ = '\n';
 481           break;
 482       }
 483       p++;
 484       *q = '\0';
 485     }
 486   }
 487   WCMD_output (out_string);
 488 }
 489
 490 /****************************************************************************
 491  * WCMD_print_error
 492  *
 493  * Print the message for GetLastError
 494  */
 495
 496 void WCMD_print_error () {
 497 LPVOID lpMsgBuf;
 498 DWORD error_code;
 499 int status;
 500
 501   error_code = GetLastError ();
 502   status = FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
 503                         NULL, error_code, 0, (LPTSTR) &lpMsgBuf, 0, NULL);
 504   if (!status) {
 505     WCMD_output ("FIXME: Cannot display message for error %d, status %d\n",
 506                         error_code, GetLastError());
 507     return;
 508   }
 509   WCMD_output (lpMsgBuf);
 510   LocalFree ((HLOCAL)lpMsgBuf);
 511   WCMD_output (newline);
 512   return;
 513 }
 514
 515 /*******************************************************************
 516  * WCMD_parse - parse a command into parameters and qualifiers.
 517  *
 518  *      On exit, all qualifiers are concatenated into q, the first string
 519  *      not beginning with "/" is in p1 and the
 520  *      second in p2. Any subsequent non-qualifier strings are lost.
 521  *      Parameters in quotes are handled.
 522  */
 523
 524 void WCMD_parse (char *s, char *q, char *p1, char *p2) {
 525
 526 int p = 0;
 527
 528   *q = *p1 = *p2 = '\0';
 529   while (TRUE) {
 530     switch (*s) {
 531       case '/':
 532         *q++ = *s++;
 533         while ((*s != '\0') && (*s != ' ') && *s != '/') {
 534           *q++ = toupper (*s++);
 535         }
 536         *q = '\0';
 537         break;
 538       case ' ':
 539         s++;
 540         break;
 541       case '"':
 542         s++;
 543         while ((*s != '\0') && (*s != '"')) {
 544           if (p == 0) *p1++ = *s++;
 545           else if (p == 1) *p2++ = *s++;
 546           else s++;
 547         }
 548         if (p == 0) *p1 = '\0';
 549         if (p == 1) *p2 = '\0';
 550         p++;
 551         if (*s == '"') s++;
 552         break;
 553       case '\0':
 554         return;
 555       default:
 556         while ((*s != '\0') && (*s != ' ') && (*s != '/')) {
 557           if (p == 0) *p1++ = *s++;
 558           else if (p == 1) *p2++ = *s++;
 559           else s++;
 560         }
 561         if (p == 0) *p1 = '\0';
 562         if (p == 1) *p2 = '\0';
 563         p++;
 564     }
 565   }
 566 }
 567
 568 /*******************************************************************
 569  * WCMD_output - send output to current standard output device.
 570  *
 571  */
 572
 573 void WCMD_output (char *format, ...) {
 574
 575 va_list ap;
 576 char string[1024];
 577 DWORD count;
 578
 579   va_start(ap,format);
 580   vsprintf (string, format, ap);
 581   WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), string, lstrlen(string), &count, NULL);
 582   va_end(ap);
 583 }
 584
 585 /*******************************************************************
 586  * WCMD_output_asis - send output to current standard output device.
 587  *        without formatting eg. when message contains '%'
 588  */
 589
 590 void WCMD_output_asis (char *message) {
 591   DWORD count;
 592   WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), message, lstrlen(message), &count, NULL);
 593 }
 594
 595
 596
 597 /***************************************************************************
 598  * WCMD_strtrim_leading_spaces
 599  *
 600  *      Remove leading spaces from a string. Return a pointer to the first
 601  *      non-space character. Does not modify the input string
 602  */
 603
 604 char *WCMD_strtrim_leading_spaces (char *string) {
 605
 606 char *ptr;
 607
 608   ptr = string;
 609   while (*ptr == ' ') ptr++;
 610   return ptr;
 611 }
 612
 613 /*************************************************************************
 614  * WCMD_strtrim_trailing_spaces
 615  *
 616  *      Remove trailing spaces from a string. This routine modifies the input
 617  *      string by placing a null after the last non-space character
 618  */
 619
 620 void WCMD_strtrim_trailing_spaces (char *string) {
 621
 622 char *ptr;
 623
 624   ptr = string + lstrlen (string) - 1;
 625   while ((*ptr == ' ') && (ptr >= string)) {
 626     *ptr = '\0';
 627     ptr--;
 628   }
 629 }
 630
 631 /*************************************************************************
 632  * WCMD_pipe
 633  *
 634  *      Handle pipes within a command - the DOS way using temporary files.
 635  */
 636
 637 void WCMD_pipe (char *command) {
 638
 639 char *p;
 640 char temp_path[MAX_PATH], temp_file[MAX_PATH], temp_file2[MAX_PATH], temp_cmd[1024];
 641
 642   GetTempPath (sizeof(temp_path), temp_path);
 643   GetTempFileName (temp_path, "WCMD", 0, temp_file);
 644   p = strchr(command, '|');
 645   *p++ = '\0';
 646   wsprintf (temp_cmd, "%s > %s", command, temp_file);
 647   WCMD_process_command (temp_cmd);
 648   command = p;
 649   while ((p = strchr(command, '|'))) {
 650     *p++ = '\0';
 651     GetTempFileName (temp_path, "WCMD", 0, temp_file2);
 652     wsprintf (temp_cmd, "%s < %s > %s", command, temp_file, temp_file2);
 653     WCMD_process_command (temp_cmd);
 654     DeleteFile (temp_file);
 655     lstrcpy (temp_file, temp_file2);
 656     command = p;
 657   }
 658   wsprintf (temp_cmd, "%s < %s", command, temp_file);
 659   WCMD_process_command (temp_cmd);
 660   DeleteFile (temp_file);
 661 }
 662