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 (!(*param1) && !(*param2))
 364     return;
 365   if (strpbrk (param1, "\\:") == NULL) {        /* No explicit path given */
 366     if ((strchr (param1, '.') == NULL) || (strstr (param1, ".bat") != NULL)) {
 367       if (SearchPath (NULL, param1, ".bat", sizeof(filetorun), filetorun, NULL)) {
 368         WCMD_batch (filetorun, command, 0);
 369         return;
 370       }
 371     }
 372   }
 373   else {                                        /* Explicit path given */
 374     if (strstr (param1, ".bat") != NULL) {
 375       WCMD_batch (param1, command, 0);
 376       return;
 377     }
 378     if (strchr (param1, '.') == NULL) {
 379       strcpy (filetorun, param1);
 380       strcat (filetorun, ".bat");
 381       h = CreateFile (filetorun, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 382       if (h != INVALID_HANDLE_VALUE) {
 383         CloseHandle (h);
 384         WCMD_batch (param1, command, 0);
 385         return;
 386       }
 387     }
 388   }
 389
 390         /* No batch file found, assume executable */
 391
 392   hinst = FindExecutable (param1, NULL, filetorun);
 393   if ((int)hinst < 32) {
 394     WCMD_print_error ();
 395     return;
 396   }
 397   console = SHGetFileInfo (filetorun, 0, &psfi, sizeof(psfi), SHGFI_EXETYPE);
 398   if (!console) {
 399     WCMD_print_error ();
 400     return;
 401   }
 402   ZeroMemory (&st, sizeof(STARTUPINFO));
 403   st.cb = sizeof(STARTUPINFO);
 404   status = CreateProcess (NULL, command, NULL, NULL, FALSE,
 405                  0, NULL, NULL, &st, &pe);
 406   if (!status) {
 407     WCMD_print_error ();
 408   }
 409   if (!HIWORD(console)) WaitForSingleObject (pe.hProcess, INFINITE);
 410   GetExitCodeProcess (pe.hProcess, &errorlevel);
 411   if (errorlevel == STILL_ACTIVE) errorlevel = 0;
 412 }
 413
 414 /******************************************************************************
 415  * WCMD_show_prompt
 416  *
 417  *      Display the prompt on STDout
 418  *
 419  */
 420
 421 void WCMD_show_prompt () {
 422
 423 int status;
 424 char out_string[MAX_PATH], curdir[MAX_PATH], prompt_string[MAX_PATH];
 425 char *p, *q;
 426
 427   status = GetEnvironmentVariable ("PROMPT", prompt_string, sizeof(prompt_string));
 428   if ((status == 0) || (status > sizeof(prompt_string))) {
 429     lstrcpy (prompt_string, "$N$G");
 430   }
 431   p = prompt_string;
 432   q = out_string;
 433   *q = '\0';
 434   while (*p != '\0') {
 435     if (*p != '$') {
 436       *q++ = *p++;
 437       *q = '\0';
 438     }
 439     else {
 440       p++;
 441       switch (toupper(*p)) {
 442         case '$':
 443           *q++ = '$';
 444           break;
 445         case 'B':
 446           *q++ = '|';
 447           break;
 448         case 'D':
 449           GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, NULL, NULL, q, MAX_PATH);
 450           while (*q) q++;
 451           break;
 452         case 'E':
 453           *q++ = '\E';
 454           break;
 455         case 'G':
 456           *q++ = '>';
 457           break;
 458         case 'L':
 459           *q++ = '<';
 460           break;
 461         case 'N':
 462           status = GetCurrentDirectory (sizeof(curdir), curdir);
 463           if (status) {
 464             *q++ = curdir[0];
 465           }
 466           break;
 467         case 'P':
 468           status = GetCurrentDirectory (sizeof(curdir), curdir);
 469           if (status) {
 470             lstrcat (q, curdir);
 471             while (*q) q++;
 472           }
 473           break;
 474         case 'Q':
 475           *q++ = '=';
 476           break;
 477         case 'T':
 478           GetTimeFormat (LOCALE_USER_DEFAULT, 0, NULL, NULL, q, MAX_PATH);
 479           while (*q) q++;
 480           break;
 481         case '_':
 482           *q++ = '\n';
 483           break;
 484       }
 485       p++;
 486       *q = '\0';
 487     }
 488   }
 489   WCMD_output (out_string);
 490 }
 491
 492 /****************************************************************************
 493  * WCMD_print_error
 494  *
 495  * Print the message for GetLastError
 496  */
 497
 498 void WCMD_print_error () {
 499 LPVOID lpMsgBuf;
 500 DWORD error_code;
 501 int status;
 502
 503   error_code = GetLastError ();
 504   status = FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
 505                         NULL, error_code, 0, (LPTSTR) &lpMsgBuf, 0, NULL);
 506   if (!status) {
 507     WCMD_output ("FIXME: Cannot display message for error %d, status %d\n",
 508                         error_code, GetLastError());
 509     return;
 510   }
 511   WCMD_output (lpMsgBuf);
 512   LocalFree ((HLOCAL)lpMsgBuf);
 513   WCMD_output (newline);
 514   return;
 515 }
 516
 517 /*******************************************************************
 518  * WCMD_parse - parse a command into parameters and qualifiers.
 519  *
 520  *      On exit, all qualifiers are concatenated into q, the first string
 521  *      not beginning with "/" is in p1 and the
 522  *      second in p2. Any subsequent non-qualifier strings are lost.
 523  *      Parameters in quotes are handled.
 524  */
 525
 526 void WCMD_parse (char *s, char *q, char *p1, char *p2) {
 527
 528 int p = 0;
 529
 530   *q = *p1 = *p2 = '\0';
 531   while (TRUE) {
 532     switch (*s) {
 533       case '/':
 534         *q++ = *s++;
 535         while ((*s != '\0') && (*s != ' ') && *s != '/') {
 536           *q++ = toupper (*s++);
 537         }
 538         *q = '\0';
 539         break;
 540       case ' ':
 541         s++;
 542         break;
 543       case '"':
 544         s++;
 545         while ((*s != '\0') && (*s != '"')) {
 546           if (p == 0) *p1++ = *s++;
 547           else if (p == 1) *p2++ = *s++;
 548           else s++;
 549         }
 550         if (p == 0) *p1 = '\0';
 551         if (p == 1) *p2 = '\0';
 552         p++;
 553         if (*s == '"') s++;
 554         break;
 555       case '\0':
 556         return;
 557       default:
 558         while ((*s != '\0') && (*s != ' ')) {
 559           if (p == 0) *p1++ = *s++;
 560           else if (p == 1) *p2++ = *s++;
 561           else s++;
 562         }
 563         if (p == 0) *p1 = '\0';
 564         if (p == 1) *p2 = '\0';
 565         p++;
 566     }
 567   }
 568 }
 569
 570 /*******************************************************************
 571  * WCMD_output - send output to current standard output device.
 572  *
 573  */
 574
 575 void WCMD_output (char *format, ...) {
 576
 577 va_list ap;
 578 char string[1024];
 579 DWORD count;
 580
 581   va_start(ap,format);
 582   vsprintf (string, format, ap);
 583   WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), string, lstrlen(string), &count, NULL);
 584   va_end(ap);
 585 }
 586
 587 /*******************************************************************
 588  * WCMD_output_asis - send output to current standard output device.
 589  *        without formatting eg. when message contains '%'
 590  */
 591
 592 void WCMD_output_asis (char *message) {
 593   DWORD count;
 594   WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), message, lstrlen(message), &count, NULL);
 595 }
 596
 597
 598
 599 /***************************************************************************
 600  * WCMD_strtrim_leading_spaces
 601  *
 602  *      Remove leading spaces from a string. Return a pointer to the first
 603  *      non-space character. Does not modify the input string
 604  */
 605
 606 char *WCMD_strtrim_leading_spaces (char *string) {
 607
 608 char *ptr;
 609
 610   ptr = string;
 611   while (*ptr == ' ') ptr++;
 612   return ptr;
 613 }
 614
 615 /*************************************************************************
 616  * WCMD_strtrim_trailing_spaces
 617  *
 618  *      Remove trailing spaces from a string. This routine modifies the input
 619  *      string by placing a null after the last non-space character
 620  */
 621
 622 void WCMD_strtrim_trailing_spaces (char *string) {
 623
 624 char *ptr;
 625
 626   ptr = string + lstrlen (string) - 1;
 627   while ((*ptr == ' ') && (ptr >= string)) {
 628     *ptr = '\0';
 629     ptr--;
 630   }
 631 }
 632
 633 /*************************************************************************
 634  * WCMD_pipe
 635  *
 636  *      Handle pipes within a command - the DOS way using temporary files.
 637  */
 638
 639 void WCMD_pipe (char *command) {
 640
 641 char *p;
 642 char temp_path[MAX_PATH], temp_file[MAX_PATH], temp_file2[MAX_PATH], temp_cmd[1024];
 643
 644   GetTempPath (sizeof(temp_path), temp_path);
 645   GetTempFileName (temp_path, "WCMD", 0, temp_file);
 646   p = strchr(command, '|');
 647   *p++ = '\0';
 648   wsprintf (temp_cmd, "%s > %s", command, temp_file);
 649   WCMD_process_command (temp_cmd);
 650   command = p;
 651   while ((p = strchr(command, '|'))) {
 652     *p++ = '\0';
 653     GetTempFileName (temp_path, "WCMD", 0, temp_file2);
 654     wsprintf (temp_cmd, "%s < %s > %s", command, temp_file, temp_file2);
 655     WCMD_process_command (temp_cmd);
 656     DeleteFile (temp_file);
 657     lstrcpy (temp_file, temp_file2);
 658     command = p;
 659   }
 660   wsprintf (temp_cmd, "%s < %s", command, temp_file);
 661   WCMD_process_command (temp_cmd);
 662   DeleteFile (temp_file);
 663 }